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	diff --git a/mongodb-1.12.0/CONTRIBUTING.md b/mongodb-1.12.0/CONTRIBUTING.md
	deleted file mode 100644
	index 825f4234..00000000
	--- a/mongodb-1.12.0/CONTRIBUTING.md
	+++ /dev/null
	@@ -1,463 +0,0 @@
	-# Contributing to the PHP Driver for MongoDB
	-
	-## Building from Source
	-
	-Developers who would like to contribute to the driver will need to build it from
	-source. The repository may be initialized with:
	-
	-```
	-$ git clone https://github.com/mongodb/mongo-php-driver.git
	-$ cd mongo-php-driver
	-$ git submodule update --init
	-```
	-
	-The following script may be used to build the driver:
	-
	-```
	-#!/bin/sh
	-
	-phpize > /dev/null && \
	-./configure --enable-mongodb-developer-flags > /dev/null && \
	-make clean > /dev/null && make all > /dev/null && make install
	-```
	-
	-## Testing
	-
	-The extension's test use the PHPT format from PHP internals. This format is
	-documented in the following links:
	-
	- * [Introduction to PHPT Files](https://qa.php.net/write-test.php)
	- * [PHPT - Test File Layout](https://qa.php.net/phpt_details.php)
	-
	-Generally, most tests will be based on the following template:
	-
	-```
	---TEST--
	-Description of API or JIRA issue being tested
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php /* One or more skip functions */ ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-// Test code
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-===DONE===
	-```
	-
	-The `basic-skipif.inc` and `basic.inc` files contain utility functions for the
	-`SKIPIF` and `FILE` sections, respectively. If those functions are not needed
	-(e.g. skip logic only depends on checking the `PHP_INT_SIZE` constant), the test
	-should not include the file. When it doubt, keep it simple.
	-
	-### Best Practices for `SKIPIF`
	-
	-The [`skipif.php`](tests/utils/skipif.php) file defines various helper functions
	-for use within a test's [`SKIPIF`](https://qa.php.net/phpt_details.php#skipif_section)
	-section. When multiple functions are used in a single `SKIPIF` section, they
	-should be logically ordered:
	-
	- * Any PHP environment requirements should be checked first. For example, if a
	- test requires a 64-bit architecture, start by checking `PHP_INT_SIZE` before
	- anything else.
	- * Any extension build requirements (e.g. `skip_if_not_libmongoc_crypto()`) or
	- test environment requirements (e.g. `skip_if_auth()`) should then be checked.
	- These functions only examine local information, such as `phpinfo()` output or
	- the structure of the `URI` constant, and do not interact with a remote
	- MongoDB server.
	- * Any remote server requirements should then be checked. A general integration
	- test that requires any type of remote server to be accessible might use
	- `skip_if_not_live()` while a test requiring a replica set would prefer
	- `skip_if_not_replica_set()`.
	- * After requiring a remote server to be accessible (optionally with a specific
	- type), you can enforce requirements about that server. This includes checking
	- its server version, storage engine, availability of test commands, etc.
	- * Finally, use `skip_if_not_clean()` if needed to ensure that the collection(s)
	- under test are dropped before the test runs.
	-
	-As a rule of thumb, your `SKIPIF` logic should be written to allow the test to
	-run in as many environments as possible. To paraphrase the
	-[robustness principal](https://en.wikipedia.org/wiki/Robustness_principle):
	-
	-> Be conservative in what/how you test, and liberal in what environment you require
	-
	-Consider that a well-crafted `EXPECTF` section may allow a `SKIPIF` section to
	-be less restrictive.
	-
	-### Local Mongo Orchestration (and CI platforms)
	-
	-The test suite depends on [Mongo Orchestration](https://github.com/10gen/mongo-orchestration).
	-Mongo Orchestration is an HTTP server that provides a REST API for maintaining
	-MongoDB configurations. These configurations are provided by the
	-[drivers-evergreen-tools](https://github.com/mongodb-labs/drivers-evergreen-tools)
	-repository. These configurations can be run locally. Alternatively, you can use
	-the GitHub Actions workflow if you don't want to set up a local development
	-environment.
	-
	-Mongo Orchestration expects that the ``mongod`` (and ``mongos``) binaries are
	-available in the ``PATH``.
	-
	-Once installed, Mongo Orchestration can be started with
	-
	-```
	-~/.local/bin/mongo-orchestration start --no-fork --enable-majority-read-concern
	-```
	-
	-The test suite uses the ``MONGODB_URI`` environment variable as connection
	-string to run all tests. If not set, tests assume MongoDB is listening on the
	-default MongoDB port (27017) on localhost.
	-
	-With this set-up, the tests can be run with `make test`.
	-
	-If Mongo Orchestration is running on non-default settings, the
	-``MONGO_ORCHESTRATION_URI`` environment variable can be used to specify where
	-mongo-orchestration is listening:
	-
	-```
	-MONGO_ORCHESTRATION_URI=http://localhost:1234/v1 make test
	-```
	-
	-## Updating libmongoc, libbson, and libmongocrypt
	-
	-The PHP driver can use either system libraries or bundled versions of
	-libmongoc, libbson, and libmongocrypt. If a new version of either library is
	-available, the submodule and build configuration will need to be updated to
	-reflect the new sources and/or package version.
	-
	-### Updating libmongoc and libbson
	-
	-#### Update libmongoc submodule
	-
	-```
	-$ cd src/libmongoc
	-$ git fetch
	-$ git checkout 1.20.0
	-```
	-
	-During development, it may be necessary to temporarily point the libmongoc
	-submodule to a commit on the developer's fork of libmongoc. For instance, the
	-developer may be working on a PHP driver feature that depends on an unmerged
	-pull request to libmongoc. In this case, `git remote add` can be used to add
	-the fork before fetching and checking out the target commit. Additionally, the
	-submodule path in
	-[`.gitmodules`](https://github.com/mongodb/mongo-php-driver/blob/master/.gitmodules)
	-must also be updated to refer to the fork.
	-
	-#### Ensure libmongoc version information is correct
	-
	-The build process for Autotools and Windows rely on
	-`src/LIBMONGOC_VERSION_CURRENT` to infer version information for libmongoc and
	-libbson. This file can be regenerated using the following Makefile target:
	-
	-```
	-$ make libmongoc-version-current
	-```
	-
	-Alternatively, the `build/calc_release_version.py` script in libmongoc can be
	-executed directly.
	-
	-Note: If the libmongoc submodule points to a non-release, non-master branch, the
	-script may fail to correctly detect the version. This issue is being tracked in
	-[CDRIVER-3315](https://jira.mongodb.org/browse/CDRIVER-3315) and can be safely
	-ignored since this should only happen during development (any PHP driver release
	-should point to a tagged libmongoc release).
	-
	-#### Update sources in build configurations
	-
	-The Autotools and Windows build configurations (`config.m4` and `config.w32`,
	-respectively) define several variables (e.g. `PHP_MONGODB_MONGOC_SOURCES`) that
	-collectively enumerate all of the the sources within the libmongoc submodule to
	-include in a bundled build.
	-
	-These variables should each have a shell command in a preceding comment, which
	-should be run to regenerate that particular list of source files. Each command
	-may be run manually or `scripts/update-submodule-sources.php` may be used to
	-update all variables. In the event that either libmongoc or libbson introduce a
	-new source directory, that will need to be manually added (follow prior art).
	-
	-#### Update package dependencies
	-
	-The Autotools configuration additionally includes some `pkg-config` commands for
	-using libmongoc and libbson as system libraries (in lieu of a bundled build).
	-When bumping the libmongoc version, be sure to update the version check _and_
	-error message in the `pkg-config` blocks for both libmongoc and libbson.
	-
	-For example, the following lines might be updated for libmongoc:
	-
	-```
	-if $PKG_CONFIG libmongoc-1.0 --atleast-version 1.20.0; then
	-
	-...
	-
	-AC_MSG_ERROR(system libmongoc must be upgraded to version >= 1.20.0)
	-```
	-
	-#### Update tested versions in Evergreen configuration
	-
	-Evergreen tests against multiple versions of libmongoc. When updating to a newer
	-libmongoc version, make sure to update the `libmongoc-version` build axis in
	-`.evergreen/config.yml`. In general, we test against two additional versions of
	-libmongoc:
	-
	-- The upcoming patch release of the current libmongoc minor version (e.g. the
	- `r1.x` branch)
	-- The upcoming minor release of libmongoc (e.g. the `master` branch)
	-
	-#### Update sources in PECL package generation script
	-
	-If either libmongoc or libbson introduce a new source directory, that may also
	-require updating the glob patterns in the `bin/prep-release.php` script to
	-ensure new source files will be included in any generated PECL package.
	-
	-#### Test and commit your changes
	-
	-Verify that the upgrade was successful by ensuring that the driver can compile
	-using both the bundled sources and system libraries for libmongoc and libbson,
	-and by ensuring that the test suite passes. Once done, commit the changes to all
	-of the above files/paths. For example:
	-
	-```
	-$ git commit -m "Bump libmongoc to 1.20.0" config.m4 config.w32 src/libmongoc src/LIBMONGOC_VERSION_CURRENT
	-```
	-
	-### Updating libmongocrypt
	-
	-To update libmongocrypt, the steps are similar to the above:
	-
	-```
	-$ cd src/libmongocrypt
	-$ git fetch
	-$ git checkout 1.3.0
	-$ make libmongocrypt-version-current
	-```
	-
	-Package dependencies in `config.m4` must also be updated (either manually or
	-with `scripts/update-submodule-sources.php`), as do the sources in the PECL
	-generation script.
	-
	-## Releasing
	-
	-The follow steps outline the release process for a maintenance branch (e.g.
	-releasing the `vX.Y` branch as X.Y.Z).
	-
	-### Ensure PHP version compatibility
	-
	-Ensure that the library test suite completes on supported versions of PHP.
	-
	-### Ensure Windows compatibility
	-
	-PECL will create Windows DLLs for new releases; however, you must ensure that
	-the extension successfully builds on Windows before releasing. Windows builds
	-are tested by [AppVeyor](.appveyor.yml).
	-
	-See the [internals wiki](https://wiki.php.net/internals/windows/stepbystepbuild)
	-for more information.
	-
	-### Transition JIRA issues and version
	-
	-All issues associated with the release version should be in the "Closed" state
	-and have a resolution of "Fixed". Issues with other resolutions (e.g.
	-"Duplicate", "Works as Designed") should be removed from the release version so
	-that they do not appear in the release notes.
	-
	-Check the corresponding ".x" fix version to see if it contains any issues that
	-are resolved as "Fixed" and should be included in this release version.
	-
	-Update the version's release date and status from the
	-[Manage Versions](https://jira.mongodb.org/plugins/servlet/project-config/PHPC/versions)
	-page.
	-
	-### Update version info
	-
	-The PHP driver uses [semantic versioning](http://semver.org/). Do not break
	-backwards compatibility in a non-major release or your users will kill you.
	-
	-Before proceeding, ensure that the `master` branch is up-to-date with all code
	-changes in this maintenance branch. This is important because we will later
	-merge the ensuing release commits up to master with `--strategy=ours`, which
	-will ignore changes from the merged commits.
	-
	-Update the version and stability constants in `phongo_version.h`. This should
	-entail removing the version's "-dev" suffix, changing the stability to
	-"stable", and increasing the last digit for `PHP_MONGO_VERSION_DESC`:
	-
	-```
	-#define PHP_MONGODB_VERSION "1.1.8-dev"
	-#define PHP_MONGODB_STABILITY "devel"
	-#define PHP_MONGODB_VERSION_DESC 1,1,8,0
	-```
	-
	-The above would be changed to:
	-
	-```
	-#define PHP_MONGODB_VERSION "1.1.8"
	-#define PHP_MONGODB_STABILITY "stable"
	-#define PHP_MONGODB_VERSION_DESC 1,1,8,1
	-```
	-
	-The Makefile targets for creating the PECL package depend on these constants, so
	-you must rebuild the extension after updating `phongo_version.h`.
	-
	-> Note: If this is an alpha or beta release, the version string should
	-> include the X.Y.Z version followed by the stability and an increment. For
	-> instance, the first beta release in the 1.4.0 series would be "1.4.0beta1".
	-> Alpha and beta releases use "alpha" and "beta" stability strings,
	-> respectively. Release candidates (e.g. "1.4.0RC1") also use "beta" stability.
	-> See [Documenting release stability and API stability](https://pear.php.net/manual/en/guide.developers.package2.stability.php)
	-> for more information. For each change to the suffixes of
	-> `PHP_MONGODB_VERSION`, increment the last digit of
	-> `PHP_MONGODB_VERSION_DESC`.
	-
	-### Build PECL package
	-
	-Create the PECL package description file with `make package.xml`. This creates
	-a `package.xml` file from a template. Version, author, and file information will
	-be filled in, but release notes must be copied manually from JIRA.
	-
	-After copying release notes, use `make package` to create the package file (e.g.
	-`mongodb-X.Y.Z.tgz`) and ensure that it can be successfully installed:
	-
	-```
	-$ pecl install -f mongodb-X.Y.Z.tgz
	-```
	-
	-### Commit version update and release notes
	-
	-Commit the modified `phongo_version.h` file as "Package X.Y.Z"
	-
	-```
	-$ git add phongo_version.h
	-$ git commit -m "Package X.Y.Z"
	-```
	-
	-### Tag release
	-
	-The previous commit will be the target for our release tag:
	-
	-```
	-$ git tag -a -m "Release X.Y.Z" X.Y.Z
	-```
	-
	-### Update version info back to dev
	-
	-After tagging, the version and stability constants in `phongo_version.h` should be
	-updated back to development status.
	-
	-```
	-#define PHP_MONGODB_VERSION "1.1.8"
	-#define PHP_MONGODB_STABILITY "stable"
	-#define PHP_MONGODB_VERSION_DESC 1,1,8,1
	-```
	-
	-The above would be changed to:
	-
	-```
	-#define PHP_MONGODB_VERSION "1.1.9-dev"
	-#define PHP_MONGODB_STABILITY "devel"
	-#define PHP_MONGODB_VERSION_DESC 1,1,9,0
	-```
	-
	-Commit this change:
	-
	-```
	-$ git commit -m "Back to -dev" phongo_version.h
	-```
	-
	-> Note: If this is an alpha, beta, or RC release, the version string should
	-> increment the stability sequence instead of the patch version. For example,
	-> if the constants were originally "1.4.0-dev" and "devel" and then changed to
	-> "1.4.0beta1" and "beta" for the first beta release, this step would see them
	-> ultimately changed to "1.4.0beta2-dev" and "devel".
	-
	-### Push commits and tags
	-
	-```
	-$ git push
	-$ git push --tags
	-```
	-
	-### Release PECL package
	-
	-The PECL package may be published via the
	-[Release Upload](https://pecl.php.net/release-upload.php) form. You will have
	-one chance to confirm the package information after uploading.
	-
	-### Merge the maintenance branch up to master
	-
	-```
	-$ git checkout master
	-$ git merge vX.Y --strategy=ours
	-$ git push
	-```
	-
	-The `--strategy=ours` option ensures that all changes from the merged commits
	-will be ignored.
	-
	-### Publish release notes
	-
	-The following template should be used for creating GitHub release notes via
	-[this form](https://github.com/mongodb/mongo-php-driver/releases/new). The PECL
	-package may also be attached to the release notes.
	-
	-```
	-The PHP team is happy to announce that version X.Y.Z of the [mongodb](https://pecl.php.net/package/mongodb) PHP extension is now available on PECL.
	-
	-Release Highlights
	-
	-<one or more paragraphs describing important changes in this release>
	-
	-A complete list of resolved issues in this release may be found at:
	-$JIRA_URL
	-
	-Documentation
	-
	-Documentation is available on PHP.net:
	-https://www.php.net/set.mongodb
	-
	-Installation
	-
	-You can either download and install the source manually, or you can install the extension with:
	-
	- pecl install mongodb-X.Y.Z
	-
	-or update with:
	-
	- pecl upgrade mongodb-X.Y.Z
	-
	-Windows binaries are available on PECL:
	-https://pecl.php.net/package/mongodb
	-```
	-
	-> Note: If this is an alpha or beta release, the installation examples
	-> should refer to the exact version (e.g. "mongodb-1.8.0beta2"). This is necessary
	-> because PECL prioritizes recent, stable releases over any stability preferences
	-> (e.g. "mongodb-beta").
	-
	-The URL for the list of resolved JIRA issues will need to be updated with each
	-release. You may obtain the list from
	-[this form](https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=12484).
	-
	-If commits from community contributors were included in this release, append the
	-following section:
	-
	-```
	-Thanks
	-
	-Thanks for our community contributors for X.Y.Z:
	-
	- * [$CONTRIBUTOR_NAME](https://github.com/$GITHUB_USERNAME)
	-```
	-
	-Release announcements should also be posted in the [MongoDB Product & Driver Announcements: Driver Releases](https://www.mongodb.com/community/forums/tags/c/announcements/driver-releases/110/php) forum and shared on Twitter.
	-
	-### Update compatibility tables in MongoDB docs
	-
	-For minor releases, create a DOCSP ticket indicating whether there are changes to MongoDB Server or PHP version
	-compatibility. The [compatibility tables](https://docs.mongodb.com/drivers/driver-compatibility-reference#php-driver-compatibility)
	-in the MongoDB documentation must be updated to account for new releases. Make sure to update both MongoDB and Language
	-compatibility tables, as shown in [this pull request](https://github.com/mongodb/docs-ecosystem/pull/642).
	diff --git a/mongodb-1.12.0/config.m4 b/mongodb-1.12.0/config.m4
	deleted file mode 100644
	index 8fa2d102..00000000
	--- a/mongodb-1.12.0/config.m4
	+++ /dev/null
	@@ -1,540 +0,0 @@
	-dnl config.m4 for extension mongodb
	-PHP_ARG_ENABLE([mongodb],
	- [whether to enable MongoDB support],
	- [AS_HELP_STRING([--enable-mongodb],
	- [Enable MongoDB support])])
	-
	-if test "$PHP_MONGODB" != "no"; then
	- dnl Check PHP version is compatible with this extension
	- AC_MSG_CHECKING([PHP version])
	-
	- PHP_MONGODB_PHP_VERSION=$PHP_VERSION
	- PHP_MONGODB_PHP_VERSION_ID=$PHP_VERSION_ID
	-
	- if test -z "$PHP_MONGODB_PHP_VERSION"; then
	- if test -z "$PHP_CONFIG"; then
	- AC_MSG_ERROR([php-config not found])
	- fi
	- PHP_MONGODB_PHP_VERSION=`${PHP_CONFIG} --version`
	- PHP_MONGODB_PHP_VERSION_ID=`echo "${PHP_MONGODB_PHP_VERSION}" \| $AWK 'BEGIN { FS = "."; } { printf "%d", ([$]1 * 100 + [$]2) * 100 + [$]3;}'`
	- fi
	-
	- AC_MSG_RESULT($PHP_MONGODB_PHP_VERSION)
	- if test "$PHP_MONGODB_PHP_VERSION_ID" -lt "70200"; then
	- AC_MSG_ERROR([not supported. Need a PHP version >= 7.2.0 (found $PHP_MONGODB_PHP_VERSION)])
	- fi
	-
	- PHP_ARG_ENABLE([mongodb-developer-flags],
	- [whether to enable developer build flags],
	- [AS_HELP_STRING([--enable-mongodb-developer-flags],
	- [MongoDB: Enable developer flags [default=no]])],
	- [no],
	- [no])
	-
	- if test "$PHP_MONGODB_DEVELOPER_FLAGS" = "yes"; then
	- dnl Warn about functions which might be candidates for format attributes
	- AX_CHECK_COMPILE_FLAG(-Wmissing-format-attribute, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wmissing-format-attribute" ,, -Werror)
	- dnl Avoid duplicating values for an enum
	- AX_CHECK_COMPILE_FLAG(-Wduplicate-enum, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wduplicate-enum" ,, -Werror)
	- dnl Warns on mismatches between #ifndef and #define header guards
	- AX_CHECK_COMPILE_FLAG(-Wheader-guard, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wheader-guard" ,, -Werror)
	- dnl logical not of a non-boolean expression
	- AX_CHECK_COMPILE_FLAG(-Wlogical-not-parentheses, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wlogical-not-parentheses" ,, -Werror)
	- dnl Warn about suspicious uses of logical operators in expressions
	- AX_CHECK_COMPILE_FLAG(-Wlogical-op, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wlogical-op",, -Werror ,, -Werror)
	- dnl memory error detector.
	- dnl FIXME: -fsanitize=address,undefined for clang. The AX_CHECK_COMPILE_FLAG macro isn't happy about that string :(
	- AX_CHECK_COMPILE_FLAG(-fsanitize-address, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fsanitize-address" ,, -Werror)
	- dnl Enable frame debugging
	- AX_CHECK_COMPILE_FLAG(-fno-omit-frame-pointer, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fno-omit-frame-pointer" ,, -Werror)
	- dnl Make sure we don't optimize calls
	- AX_CHECK_COMPILE_FLAG(-fno-optimize-sibling-calls, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fno-optimize-sibling-calls" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wlogical-op-parentheses, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wlogical-op-parentheses" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wpointer-bool-conversion, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wpointer-bool-conversion" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wbool-conversion, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wbool-conversion" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wloop-analysis, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wloop-analysis" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wsizeof-array-argument, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wsizeof-array-argument" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wstring-conversion, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wstring-conversion" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wno-variadic-macros, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-variadic-macros" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wno-sign-compare, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-sign-compare" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-fstack-protector, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fstack-protector" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-fno-exceptions, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fno-exceptions" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wformat-security, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wformat-security" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wformat-nonliteral, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wformat-nonliteral" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Winit-self, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Winit-self" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wwrite-strings, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wwrite-strings" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wenum-compare, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wenum-compare" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wempty-body, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wempty-body" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wparentheses, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wparentheses" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wdeclaration-after-statement, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wdeclaration-after-statement" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wmaybe-uninitialized, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wmaybe-uninitialized" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wimplicit-fallthrough, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wimplicit-fallthrough" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Werror, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Werror" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wextra, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wextra" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wno-unused-parameter, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-unused-parameter" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wno-unused-but-set-variable, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-unused-but-set-variable" ,, -Werror)
	- AX_CHECK_COMPILE_FLAG(-Wno-missing-field-initializers, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-missing-field-initializers",, -Werror)
	-
	- MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS"
	- STD_CFLAGS="-g -O0 -Wall"
	- fi
	-
	-
	- PHP_ARG_ENABLE([mongodb-coverage],
	- [whether to enable code coverage],
	- [AS_HELP_STRING([--enable-mongodb-coverage],
	- [MongoDB: Enable developer code coverage information [default=no]])],
	- [no],
	- [no])
	-
	- if test "$PHP_MONGODB_COVERAGE" = "yes"; then
	- if test "$ext_shared" != "yes"; then
	- AC_MSG_ERROR(code coverage is not supported for static builds)
	- fi
	-
	- COVERAGE_CFLAGS="--coverage -g"
	- COVERAGE_LDFLAGS="--coverage"
	-
	- MONGODB_SHARED_LIBADD="$MONGODB_SHARED_LIBADD $COVERAGE_LDFLAGS"
	- fi
	-
	- PHP_MONGODB_CFLAGS="$STD_CFLAGS $MAINTAINER_CFLAGS $COVERAGE_CFLAGS"
	-
	- PHP_MONGODB_SOURCES="\
	- php_phongo.c \
	- phongo_compat.c \
	- src/bson.c \
	- src/bson-encode.c \
	- src/phongo_apm.c \
	- src/phongo_ini.c \
	- src/BSON/Binary.c \
	- src/BSON/BinaryInterface.c \
	- src/BSON/DBPointer.c \
	- src/BSON/Decimal128.c \
	- src/BSON/Decimal128Interface.c \
	- src/BSON/Int64.c \
	- src/BSON/Javascript.c \
	- src/BSON/JavascriptInterface.c \
	- src/BSON/MaxKey.c \
	- src/BSON/MaxKeyInterface.c \
	- src/BSON/MinKey.c \
	- src/BSON/MinKeyInterface.c \
	- src/BSON/ObjectId.c \
	- src/BSON/ObjectIdInterface.c \
	- src/BSON/Persistable.c \
	- src/BSON/Regex.c \
	- src/BSON/RegexInterface.c \
	- src/BSON/Serializable.c \
	- src/BSON/Symbol.c \
	- src/BSON/Timestamp.c \
	- src/BSON/TimestampInterface.c \
	- src/BSON/Type.c \
	- src/BSON/Undefined.c \
	- src/BSON/Unserializable.c \
	- src/BSON/UTCDateTime.c \
	- src/BSON/UTCDateTimeInterface.c \
	- src/BSON/functions.c \
	- src/MongoDB/BulkWrite.c \
	- src/MongoDB/ClientEncryption.c \
	- src/MongoDB/Command.c \
	- src/MongoDB/Cursor.c \
	- src/MongoDB/CursorId.c \
	- src/MongoDB/CursorInterface.c \
	- src/MongoDB/Manager.c \
	- src/MongoDB/Query.c \
	- src/MongoDB/ReadConcern.c \
	- src/MongoDB/ReadPreference.c \
	- src/MongoDB/Server.c \
	- src/MongoDB/ServerApi.c \
	- src/MongoDB/Session.c \
	- src/MongoDB/WriteConcern.c \
	- src/MongoDB/WriteConcernError.c \
	- src/MongoDB/WriteError.c \
	- src/MongoDB/WriteResult.c \
	- src/MongoDB/Exception/AuthenticationException.c \
	- src/MongoDB/Exception/BulkWriteException.c \
	- src/MongoDB/Exception/CommandException.c \
	- src/MongoDB/Exception/ConnectionException.c \
	- src/MongoDB/Exception/ConnectionTimeoutException.c \
	- src/MongoDB/Exception/EncryptionException.c \
	- src/MongoDB/Exception/Exception.c \
	- src/MongoDB/Exception/ExecutionTimeoutException.c \
	- src/MongoDB/Exception/InvalidArgumentException.c \
	- src/MongoDB/Exception/LogicException.c \
	- src/MongoDB/Exception/RuntimeException.c \
	- src/MongoDB/Exception/ServerException.c \
	- src/MongoDB/Exception/SSLConnectionException.c \
	- src/MongoDB/Exception/UnexpectedValueException.c \
	- src/MongoDB/Exception/WriteException.c \
	- src/MongoDB/Monitoring/CommandFailedEvent.c \
	- src/MongoDB/Monitoring/CommandStartedEvent.c \
	- src/MongoDB/Monitoring/CommandSubscriber.c \
	- src/MongoDB/Monitoring/CommandSucceededEvent.c \
	- src/MongoDB/Monitoring/Subscriber.c \
	- src/MongoDB/Monitoring/functions.c \
	- "
	-
	- PHP_ARG_WITH([mongodb-system-libs],
	- [whether to compile against system libraries instead of bundled],
	- [AS_HELP_STRING([--with-mongodb-system-libs=@<:@yes/no@:>@],
	- [MongoDB: Use system libraries for libbson, libmongoc, and libmongocrypt [default=no]])],
	- [no],
	- [no])
	- PHP_ARG_WITH([libbson],
	- [whether to use system libbson],
	- [AS_HELP_STRING([--with-libbson=@<:@yes/no@:>@],
	- [MongoDB: Use system libbson [default=no]])],
	- [no],
	- [no])
	- PHP_ARG_WITH([libmongoc],
	- [whether to use system libmongoc],
	- [AS_HELP_STRING([--with-libmongoc=@<:@yes/no@:>@],
	- [MongoDB: Use system libmongoc [default=no]])],
	- [no],
	- [no])
	- PHP_ARG_WITH([mongodb-client-side-encryption],
	- [whether to enable client-side encryption],
	- [AS_HELP_STRING([--with-mongodb-client-side-encryption=@<:@auto/yes/no@:>@],
	- [MongoDB: Enable client-side encryption [default=auto]])],
	- [auto],
	- [no])
	-
	- if test "$PHP_LIBBSON" != "no"; then
	- AC_MSG_WARN(Using --with-libbson is deprecated and will be removed in a future version. Please use --with-system-libs instead)
	-
	- if test "$PHP_LIBMONGOC" = "no"; then
	- AC_MSG_ERROR(Cannot use system libbson and bundled libmongoc)
	- fi
	-
	- PHP_MONGODB_SYSTEM_LIBS="yes"
	- fi
	-
	- if test "$PHP_LIBMONGOC" != "no"; then
	- AC_MSG_WARN(Using --with-libmongoc is deprecated and will be removed in a future version. Please use --with-system-libs instead)
	-
	- if test "$PHP_LIBBSON" = "no"; then
	- AC_MSG_ERROR(Cannot use system libmongoc and bundled libbson)
	- fi
	-
	- PHP_MONGODB_SYSTEM_LIBS="yes"
	- fi
	-
	- PHP_MONGODB_BSON_VERSION_STRING="None"
	- PHP_MONGODB_MONGOC_VERSION_STRING="None"
	- PHP_MONGODB_MONGOCRYPT_VERSION_STRING="None"
	-
	- if test "$PHP_MONGODB_SYSTEM_LIBS" != "no"; then
	- AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
	- AC_MSG_CHECKING(for libbson)
	- if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libbson-1.0; then
	- if $PKG_CONFIG libbson-1.0 --atleast-version 1.20.0; then
	- PHP_MONGODB_BSON_CFLAGS=`$PKG_CONFIG libbson-1.0 --cflags`
	- PHP_MONGODB_BSON_LIBS=`$PKG_CONFIG libbson-1.0 --libs`
	- PHP_MONGODB_BSON_VERSION=`$PKG_CONFIG libbson-1.0 --modversion`
	- PHP_MONGODB_BSON_VERSION_STRING="System ($PHP_MONGODB_BSON_VERSION)"
	- AC_MSG_RESULT(version $PHP_MONGODB_BSON_VERSION found)
	- else
	- AC_MSG_ERROR(system libbson must be upgraded to version >= 1.19.1)
	- fi
	- else
	- AC_MSG_ERROR(pkgconfig and libbson must be installed)
	- fi
	- PHP_MONGODB_CFLAGS="$PHP_MONGODB_CFLAGS $PHP_MONGODB_BSON_CFLAGS"
	- PHP_EVAL_LIBLINE($PHP_MONGODB_BSON_LIBS, MONGODB_SHARED_LIBADD)
	- AC_DEFINE(HAVE_SYSTEM_LIBBSON, 1, [Use system libbson])
	-
	- AC_MSG_CHECKING(for libmongoc)
	- if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libmongoc-1.0; then
	- if $PKG_CONFIG libmongoc-1.0 --atleast-version 1.20.0; then
	- PHP_MONGODB_MONGOC_CFLAGS=`$PKG_CONFIG libmongoc-1.0 --cflags`
	- PHP_MONGODB_MONGOC_LIBS=`$PKG_CONFIG libmongoc-1.0 --libs`
	- PHP_MONGODB_MONGOC_VERSION=`$PKG_CONFIG libmongoc-1.0 --modversion`
	- PHP_MONGODB_MONGOC_VERSION_STRING="System ($PHP_MONGODB_MONGOC_VERSION)"
	- AC_MSG_RESULT(version $PHP_MONGODB_MONGOC_VERSION found)
	- else
	- AC_MSG_ERROR(system libmongoc must be upgraded to version >= 1.19.1)
	- fi
	- else
	- AC_MSG_ERROR(pkgconfig and libmongoc must be installed)
	- fi
	- PHP_MONGODB_CFLAGS="$PHP_MONGODB_CFLAGS $PHP_MONGODB_MONGOC_CFLAGS"
	- PHP_EVAL_LIBLINE($PHP_MONGODB_MONGOC_LIBS, MONGODB_SHARED_LIBADD)
	- AC_DEFINE(HAVE_SYSTEM_LIBMONGOC, 1, [Use system libmongoc])
	-
	- if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" != "no"; then
	- AC_MSG_CHECKING(for libmongocrypt)
	-
	- if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libmongocrypt; then
	- if $PKG_CONFIG libmongocrypt --atleast-version 1.3.0; then
	- PHP_MONGODB_MONGOCRYPT_CFLAGS=`$PKG_CONFIG libmongocrypt --cflags`
	- PHP_MONGODB_MONGOCRYPT_LIBS=`$PKG_CONFIG libmongocrypt --libs`
	- PHP_MONGODB_MONGOCRYPT_VERSION=`$PKG_CONFIG libmongocrypt --modversion`
	- PHP_MONGODB_MONGOCRYPT_VERSION_STRING="System ($PHP_MONGODB_MONGOCRYPT_VERSION)"
	- AC_MSG_RESULT(version $PHP_MONGODB_MONGOCRYPT_VERSION found)
	-
	- PHP_MONGODB_CFLAGS="$PHP_MONGODB_CFLAGS $PHP_MONGODB_MONGOCRYPT_CFLAGS"
	- PHP_EVAL_LIBLINE($PHP_MONGODB_MONGOCRYPT_LIBS, MONGODB_SHARED_LIBADD)
	- AC_DEFINE(HAVE_SYSTEM_LIBMONGOCRYPT, 1, [Use system libmongocrypt])
	- elif test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	- AC_MSG_ERROR(system libmongocrypt must be upgraded to version >= 1.2.1)
	- else
	- AC_MSG_RESULT(found an older version, compiling without client-side encryption)
	- fi
	- else
	- if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	- AC_MSG_ERROR(pkgconfig and libmongocrypt must be installed)
	- else
	- AC_MSG_RESULT(not found, compiling without client-side encryption)
	- fi
	- fi
	- fi
	- fi
	-
	- if test "$PHP_MONGODB_SYSTEM_LIBS" = "no"; then
	- PHP_MONGODB_BUNDLED_CFLAGS="$STD_CFLAGS -DBSON_COMPILATION -DMONGOC_COMPILATION"
	- dnl TODO: MONGOCRYPT-219 makes the -std argument obsolete
	- PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="-DKMS_MSG_STATIC -std=gnu99"
	-
	- dnl M4 doesn't know if we're building statically or as a shared module, so
	- dnl attempt to include both paths while ignoring errors. If neither path
	- dnl exists, report an error during configure (this is later than M4 parsing
	- dnl during phpize but better than nothing).
	- m4_pushdef([_include],[
	- dnl TODO: Fix this for PECL install (PHPC-1218)
	- dnl if test ! $ -f "$1" -o -f "ext/mongodb/$1" $; then
	- dnl AC_MSG_ERROR([m4 could not include $1: No such file or directory])
	- dnl fi
	- m4_builtin([sinclude],[$1])
	- m4_builtin([sinclude],[ext/mongodb/][$1])
	- ])
	-
	- dnl Avoid using AC_CONFIG_MACRO_DIR, which might conflict with PHP
	- _include([scripts/autotools/m4/as_var_copy.m4])
	- _include([scripts/autotools/m4/ax_check_compile_flag.m4])
	- _include([scripts/autotools/m4/ax_prototype.m4])
	- _include([scripts/autotools/m4/ax_pthread.m4])
	- _include([scripts/autotools/m4/php_mongodb.m4])
	- _include([scripts/autotools/m4/pkg.m4])
	-
	- _include([scripts/autotools/CheckCompiler.m4])
	- _include([scripts/autotools/CheckHost.m4])
	-
	- _include([scripts/autotools/libbson/CheckAtomics.m4])
	- _include([scripts/autotools/libbson/CheckHeaders.m4])
	- _include([scripts/autotools/libbson/Endian.m4])
	- _include([scripts/autotools/libbson/FindDependencies.m4])
	- _include([scripts/autotools/libbson/Versions.m4])
	-
	- _include([scripts/autotools/libmongoc/CheckCompression.m4])
	- _include([scripts/autotools/libmongoc/CheckResolv.m4])
	- _include([scripts/autotools/libmongoc/CheckSasl.m4])
	- _include([scripts/autotools/libmongoc/CheckSSL.m4])
	- _include([scripts/autotools/libmongoc/CheckICU.m4])
	- _include([scripts/autotools/libmongoc/FindDependencies.m4])
	- _include([scripts/autotools/libmongoc/PlatformFlags.m4])
	- _include([scripts/autotools/libmongoc/Versions.m4])
	- _include([scripts/autotools/libmongoc/WeakSymbols.m4])
	-
	- dnl This include modifies the value of $PHP_MONGODB_CLIENT_SIDE_ENCRYPTION to "yes"
	- dnl or "no" depending on whether dependencies for libmongocrypt are fulfilled
	- _include([scripts/autotools/libmongocrypt/CheckSSL.m4])
	- _include([scripts/autotools/libmongocrypt/Endian.m4])
	- _include([scripts/autotools/libmongocrypt/Version.m4])
	-
	- PHP_MONGODB_BSON_VERSION_STRING="Bundled ($BSON_VERSION)"
	- PHP_MONGODB_MONGOC_VERSION_STRING="Bundled ($MONGOC_VERSION)"
	- PHP_MONGODB_MONGOCRYPT_VERSION_STRING="Bundled ($MONGOCRYPT_BUILD_VERSION)"
	-
	- m4_popdef([_include])
	-
	- AC_SUBST(BSON_EXTRA_ALIGN, 0)
	- AC_SUBST(BSON_OS, 1)
	-
	- AC_SUBST(MONGOC_NO_AUTOMATIC_GLOBALS, 1)
	- AC_SUBST(MONGOC_ENABLE_MONGODB_AWS_AUTH, 0)
	- AC_SUBST(MONGOC_ENABLE_RDTSCP, 0)
	- AC_SUBST(MONGOC_ENABLE_SHM_COUNTERS, 0)
	- AC_SUBST(MONGOC_TRACE, 1)
	-
	- dnl Assignments for metadata handshake. Leave CFLAGS/LDFLAGS empty as they
	- dnl would likely cause platform info (PHP version) to be truncated. We can
	- dnl consider restoring CFLAGS/LDFLAGS once CDRIVER-3134 is resolved.
	- AC_SUBST(MONGOC_CC, [$CC])
	- AC_SUBST(MONGOC_USER_SET_CFLAGS, [])
	- AC_SUBST(MONGOC_USER_SET_LDFLAGS, [])
	-
	- if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	- AC_SUBST(MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION, 1)
	- else
	- AC_SUBST(MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION, 0)
	- fi
	-
	- if test "$PHP_MONGODB_DEVELOPER_FLAGS" = "yes"; then
	- AC_SUBST(MONGOC_ENABLE_DEBUG_ASSERTIONS, 1)
	- else
	- AC_SUBST(MONGOC_ENABLE_DEBUG_ASSERTIONS, 0)
	- fi
	-
	- dnl On MacOS, use gcut from the coreutils brew package instead of cut
	- dnl Generated with: find src/libmongoc/src/common -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_COMMON_SOURCES="common-b64.c common-md5.c common-thread.c"
	-
	- dnl Generated with: find src/libmongoc/src/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 6- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_KMS_MESSAGE_SOURCES="hexlify.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c"
	-
	- dnl Generated with: find src/libmongoc/src/libbson/src/bson -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_BSON_SOURCES="bcon.c bson-atomic.c bson.c bson-clock.c bson-context.c bson-decimal128.c bson-error.c bson-iso8601.c bson-iter.c bson-json.c bson-keys.c bson-md5.c bson-memory.c bson-oid.c bson-reader.c bson-string.c bson-timegm.c bson-utf8.c bson-value.c bson-version-functions.c bson-writer.c"
	-
	- dnl Generated with: find src/libmongoc/src/libbson/src/jsonsl -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_JSONSL_SOURCES="jsonsl.c"
	-
	- dnl Generated with: find src/libmongoc/src/libmongoc/src/mongoc -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_MONGOC_SOURCES="mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-error.c mongoc-find-and-modify.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-command-legacy.c mongoc-write-concern.c"
	-
	- dnl Generated with: find src/libmongoc/src/zlib-1.2.11 -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_ZLIB_SOURCES="adler32.c compress.c crc32.c deflate.c gzclose.c gzlib.c gzread.c gzwrite.c infback.c inffast.c inflate.c inftrees.c trees.c uncompr.c zutil.c"
	-
	- PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/common/], $PHP_MONGODB_COMMON_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/libbson/src/bson/], $PHP_MONGODB_BSON_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/libbson/src/jsonsl/], $PHP_MONGODB_JSONSL_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/libmongoc/src/mongoc/], $PHP_MONGODB_MONGOC_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	-
	- PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/common/])
	- PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/libbson/src/])
	- PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/libbson/src/jsonsl/])
	- PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/libmongoc/src/])
	-
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/common/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/libbson/src/bson/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/libbson/src/jsonsl/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/libmongoc/src/mongoc/])
	-
	- dnl If compiling without libmongocrypt, use kms_message sources bundled with libmongoc.
	- dnl If compiling with libmongocrypt, kms_message bundled with libmongocrypt is used as it is most likely newer.
	- if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" != "yes" && test "$PHP_MONGODB_SSL" != "no"; then
	- AC_SUBST(MONGOC_ENABLE_MONGODB_AWS_AUTH, 1)
	- PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/kms-message/src/], $PHP_MONGODB_KMS_MESSAGE_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	- PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/kms-message/src/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/kms-message/src/])
	- fi
	-
	- dnl TODO: Use $ext_srcdir if we can move this after PHP_NEW_EXTENSION
	- ac_config_dir=PHP_EXT_SRCDIR(mongodb)
	-
	- AC_CONFIG_FILES([
	- ${ac_config_dir}/src/libmongoc/src/common/common-config.h
	- ${ac_config_dir}/src/libmongoc/src/libbson/src/bson/bson-config.h
	- ${ac_config_dir}/src/libmongoc/src/libbson/src/bson/bson-version.h
	- ${ac_config_dir}/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h
	- ${ac_config_dir}/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h
	- ])
	-
	- if test "x$bundled_zlib" = "xyes"; then
	- PHP_MONGODB_ZLIB_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS"
	- AC_CHECK_HEADER([unistd.h], [PHP_MONGODB_ZLIB_CFLAGS="$PHP_MONGODB_ZLIB_CFLAGS -DHAVE_UNISTD_H=1"], [])
	- PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/zlib-1.2.11/], $PHP_MONGODB_ZLIB_SOURCES, $PHP_MONGODB_ZLIB_CFLAGS)
	- PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/zlib-1.2.11/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/zlib-1.2.11/])
	- AC_CONFIG_FILES([${ac_config_dir}/src/libmongoc/src/zlib-1.2.11/zconf.h])
	- fi
	-
	- if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	- dnl Since libmongocrypt adds kms-message, we can enable AWS auth in this case
	- AC_SUBST(MONGOC_ENABLE_MONGODB_AWS_AUTH, 1)
	- AC_SUBST(MONGOCRYPT_ENABLE_TRACE, 1)
	-
	- dnl Generated with: find src/libmongocrypt/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 4- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_MONGOCRYPT_SOURCES="mongocrypt-binary.c mongocrypt-buffer.c mongocrypt.c mongocrypt-cache.c mongocrypt-cache-collinfo.c mongocrypt-cache-key.c mongocrypt-cache-oauth.c mongocrypt-ciphertext.c mongocrypt-crypto.c mongocrypt-ctx.c mongocrypt-ctx-datakey.c mongocrypt-ctx-decrypt.c mongocrypt-ctx-encrypt.c mongocrypt-endpoint.c mongocrypt-kek.c mongocrypt-key-broker.c mongocrypt-key.c mongocrypt-kms-ctx.c mongocrypt-log.c mongocrypt-marking.c mongocrypt-opts.c mongocrypt-status.c mongocrypt-traverse-util.c mongocrypt-util.c"
	-
	- dnl Generated with: find src/libmongocrypt/src/crypto -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES="cng.c commoncrypto.c libcrypto.c none.c"
	-
	- dnl Generated with: find src/libmongocrypt/src/os_posix -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES="os_mutex.c os_once.c"
	-
	- dnl Generated with: find src/libmongocrypt/src/os_win -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES="os_mutex.c os_once.c"
	-
	- dnl Generated with: find src/libmongocrypt/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES="hexlify.c kms_azure_request.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_gcp_request.c kms_kmip_reader_writer.c kms_kmip_request.c kms_kmip_response.c kms_kmip_response_parser.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c"
	-
	- PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS"
	- PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/], $PHP_MONGODB_MONGOCRYPT_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/crypto/], $PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/os_posix/], $PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/os_win/], $PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	- PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/kms-message/src/], $PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	-
	- PHP_MONGODB_ADD_INCLUDE([src/libmongocrypt/src/])
	- PHP_MONGODB_ADD_INCLUDE([src/libmongocrypt/kms-message/src/])
	- PHP_MONGODB_ADD_INCLUDE([src/libmongocrypt-compat/])
	-
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/crypto/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/os_posix/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/os_win/])
	- PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/kms-message/src/])
	-
	- AC_CONFIG_FILES([
	- ${ac_config_dir}/src/libmongocrypt/src/mongocrypt-config.h
	- ${ac_config_dir}/src/libmongocrypt/src/mongocrypt.h
	- ])
	- fi
	- fi
	-
	- PHP_NEW_EXTENSION(mongodb, $PHP_MONGODB_SOURCES, $ext_shared,, $PHP_MONGODB_CFLAGS)
	-
	- PHP_SUBST(MONGODB_SHARED_LIBADD)
	-
	- PHP_ADD_EXTENSION_DEP(mongodb, date)
	- PHP_ADD_EXTENSION_DEP(mongodb, json)
	- PHP_ADD_EXTENSION_DEP(mongodb, spl)
	- PHP_ADD_EXTENSION_DEP(mongodb, standard)
	-
	- PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/BSON/])
	- PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/MongoDB/])
	- PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/MongoDB/Exception/])
	- PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/MongoDB/Monitoring/])
	- PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/contrib/])
	-
	- PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/BSON/])
	- PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/MongoDB/])
	- PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/MongoDB/Exception/])
	- PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/MongoDB/Monitoring/])
	- PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/contrib/])
	-
	- dnl Necessary to ensure that static builds include "-pthread" when linking
	- if test "$ext_shared" != "yes"; then
	- EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM $EXTRA_LDFLAGS"
	- fi
	-
	- dnl This must come after PHP_NEW_EXTENSION, otherwise the srcdir won't be set
	- PHP_ADD_MAKEFILE_FRAGMENT
	-
	- dnl The libmongocrypt line intentionally uses the PHP_LIBBSON flag as that decides whether to build against bundled or system libraries.
	- AC_CONFIG_COMMANDS_POST([
	- if test "$enable_static" = "no"; then
	- echo "
	-mongodb was configured with the following options:
	-
	-Build configuration:
	- CFLAGS : $CFLAGS
	- Extra CFLAGS : $STD_CFLAGS $EXTRA_CFLAGS
	- Developers flags (slow) : $MAINTAINER_CFLAGS
	- Code Coverage flags (extra slow) : $COVERAGE_CFLAGS
	- libmongoc : $PHP_MONGODB_BSON_VERSION_STRING
	- libbson : $PHP_MONGODB_MONGOC_VERSION_STRING
	- libmongocrypt : $PHP_MONGODB_MONGOCRYPT_VERSION_STRING
	- LDFLAGS : $LDFLAGS
	- EXTRA_LDFLAGS : $EXTRA_LDFLAGS
	- MONGODB_SHARED_LIBADD : $MONGODB_SHARED_LIBADD
	-
	-Please submit bugreports at:
	- https://jira.mongodb.org/browse/PHPC
	-
	-"
	- fi
	- ])
	-fi
	-
	-dnl: vim: et sw=2
	diff --git a/mongodb-1.12.0/config.w32 b/mongodb-1.12.0/config.w32
	deleted file mode 100644
	index 82492909..00000000
	--- a/mongodb-1.12.0/config.w32
	+++ /dev/null
	@@ -1,378 +0,0 @@
	-// vim:ft=javascript
	-
	-function mongodb_generate_header(inpath, outpath, replacements)
	-{
	- STDOUT.WriteLine("Generating " + outpath);
	-
	- var infile = FSO.OpenTextFile(inpath, 1);
	- var outdata = infile.ReadAll();
	- infile.Close();
	-
	- for (var key in replacements) {
	- var replacement = replacements[key];
	-
	- if (typeof replacement === 'string') {
	- replacement = replacement.replace(/"/g, '\\"');
	- }
	-
	- outdata = outdata.replace(new RegExp('@' + key + '@', 'g'), replacement);
	- }
	-
	- var outfile = FSO.CreateTextFile(outpath, true);
	- outfile.Write(outdata);
	- outfile.Close();
	-}
	-
	-function mongodb_parse_version_file(inpath, prefix)
	-{
	- var infile = FSO.OpenTextFile(inpath, 1);
	- var version = infile.ReadLine();
	- infile.Close();
	-
	- var xyz_pre = version.split("-");
	- var xyz = xyz_pre[0].split(".");
	- var pre = xyz_pre.length > 1 ? xyz_pre[1] : "";
	-
	- var replacements = {};
	- replacements[prefix + "VERSION"] = version;
	- replacements[prefix + "MAJOR_VERSION"] = xyz[0];
	- replacements[prefix + "MINOR_VERSION"] = xyz[1];
	- replacements[prefix + "MICRO_VERSION"] = xyz[2];
	- replacements[prefix + "PRERELEASE_VERSION"] = pre;
	-
	- return replacements;
	-}
	-
	-function create_folder_recursive(path)
	-{
	- if (FSO.FolderExists(path)) {
	- return;
	- }
	-
	- create_folder_recursive(FSO.GetParentFolderName(path));
	- FSO.CreateFolder(path);
	-}
	-
	-function MONGODB_ADD_SOURCES(dir, file_list)
	-{
	- // Ensure obj_dir and all parent directories exist
	- create_folder_recursive(FSO.BuildPath(get_define('BUILD_DIR'), dir));
	- ADD_SOURCES(configure_module_dirname + dir, file_list, "mongodb", dir);
	-}
	-
	-ARG_ENABLE("mongodb", "MongoDB support", "no");
	-ARG_WITH("mongodb-sasl", "MongoDB: Build against Cyrus-SASL", "yes");
	-ARG_WITH("mongodb-client-side-encryption", "MongoDB: Enable client-side encryption", "yes");
	-
	-if (PHP_MONGODB != "no") {
	- /* Note: ADD_EXTENSION_DEP() only reports the date and standard extensions as
	- * installed in PHP 7.3.25+, 7.4.13+, and 8.0.0+). On other versions, assume
	- * that they're always enabled. */
	- if (
	- PHP_VERSION >= 8 \|\|
	- (PHP_VERSION == 7 && PHP_MINOR_VERSION == 3 && PHP_RELEASE_VERSION >= 25) \|\|
	- (PHP_VERSION == 7 && PHP_MINOR_VERSION == 4 && PHP_RELEASE_VERSION >= 13)
	- ) {
	- ADD_EXTENSION_DEP("mongodb", "date", false);
	- ADD_EXTENSION_DEP("mongodb", "standard", false);
	- }
	-
	- ADD_EXTENSION_DEP("mongodb", "json", false);
	- ADD_EXTENSION_DEP("mongodb", "spl", false);
	-
	- /* MongoDB does not actually depend on PHP's OpenSSL extension, but this is in
	- * place to ensure that later SSL library checks succeed. This can be removed
	- * once we support building with Secure Channel. */
	- ADD_EXTENSION_DEP("mongodb", "openssl", false);
	-
	- var PHP_MONGODB_CFLAGS="\
	- /D BSON_COMPILATION /D MONGOC_COMPILATION \
	- /I" + configure_module_dirname + " \
	- /I" + configure_module_dirname + "/src/BSON \
	- /I" + configure_module_dirname + "/src/MongoDB \
	- /I" + configure_module_dirname + "/src/MongoDB/Exception \
	- /I" + configure_module_dirname + "/src/contrib \
	- /I" + configure_module_dirname + "/src/libmongoc/src/common \
	- /I" + configure_module_dirname + "/src/libmongoc/src/libbson/src \
	- /I" + configure_module_dirname + "/src/libmongoc/src/libbson/src/jsonsl \
	- /I" + configure_module_dirname + "/src/libmongoc/src/libmongoc/src \
	- ";
	-
	- // Condense whitespace in CFLAGS
	- PHP_MONGODB_CFLAGS = PHP_MONGODB_CFLAGS.replace(/\s+/g, ' ');
	-
	- // On MacOS, use gcut from the coreutils brew package instead of cut
	- // Generated with: find src/libmongoc/src/common -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_COMMON_SOURCES="common-b64.c common-md5.c common-thread.c"
	-
	- // Generated with: find src/libmongoc/src/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 6- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_KMS_MESSAGE_SOURCES="hexlify.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c";
	-
	- // Generated with: find src/libmongoc/src/libbson/src/bson -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_BSON_SOURCES="bcon.c bson-atomic.c bson.c bson-clock.c bson-context.c bson-decimal128.c bson-error.c bson-iso8601.c bson-iter.c bson-json.c bson-keys.c bson-md5.c bson-memory.c bson-oid.c bson-reader.c bson-string.c bson-timegm.c bson-utf8.c bson-value.c bson-version-functions.c bson-writer.c";
	-
	- // Generated with: find src/libmongoc/src/libbson/src/jsonsl -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_JSONSL_SOURCES="jsonsl.c";
	-
	- // Generated with: find src/libmongoc/src/libmongoc/src/mongoc -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_MONGOC_SOURCES="mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-error.c mongoc-find-and-modify.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-command-legacy.c mongoc-write-concern.c";
	-
	- EXTENSION("mongodb", "php_phongo.c phongo_compat.c", null, PHP_MONGODB_CFLAGS);
	- MONGODB_ADD_SOURCES("/src", "bson.c bson-encode.c phongo_apm.c phongo_ini.c");
	- MONGODB_ADD_SOURCES("/src/BSON", "Binary.c BinaryInterface.c DBPointer.c Decimal128.c Decimal128Interface.c Int64.c Javascript.c JavascriptInterface.c MaxKey.c MaxKeyInterface.c MinKey.c MinKeyInterface.c ObjectId.c ObjectIdInterface.c Persistable.c Regex.c RegexInterface.c Serializable.c Symbol.c Timestamp.c TimestampInterface.c Type.c Undefined.c Unserializable.c UTCDateTime.c UTCDateTimeInterface.c functions.c");
	- MONGODB_ADD_SOURCES("/src/MongoDB", "BulkWrite.c ClientEncryption.c Command.c Cursor.c CursorId.c CursorInterface.c Manager.c Query.c ReadConcern.c ReadPreference.c Server.c ServerApi.c Session.c WriteConcern.c WriteConcernError.c WriteError.c WriteResult.c");
	- MONGODB_ADD_SOURCES("/src/MongoDB/Exception", "AuthenticationException.c BulkWriteException.c CommandException.c ConnectionException.c ConnectionTimeoutException.c EncryptionException.c Exception.c ExecutionTimeoutException.c InvalidArgumentException.c LogicException.c RuntimeException.c ServerException.c SSLConnectionException.c UnexpectedValueException.c WriteException.c");
	- MONGODB_ADD_SOURCES("/src/MongoDB/Monitoring", "CommandFailedEvent.c CommandStartedEvent.c CommandSubscriber.c CommandSucceededEvent.c Subscriber.c functions.c");
	- MONGODB_ADD_SOURCES("/src/libmongoc/src/common", PHP_MONGODB_COMMON_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongoc/src/libbson/src/bson", PHP_MONGODB_BSON_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongoc/src/libbson/src/jsonsl", PHP_MONGODB_JSONSL_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongoc/src/libmongoc/src/mongoc", PHP_MONGODB_MONGOC_SOURCES);
	-
	- var bson_opts = {
	- BSON_BYTE_ORDER: 1234,
	- BSON_OS: 2,
	- BSON_HAVE_STDBOOL_H: 0,
	- BSON_HAVE_STRINGS_H: 0,
	- BSON_HAVE_ATOMIC_32_ADD_AND_FETCH: 0,
	- BSON_HAVE_ATOMIC_64_ADD_AND_FETCH: 0,
	- BSON_PTHREAD_ONCE_INIT_NEEDS_BRACES: 0,
	- BSON_HAVE_CLOCK_GETTIME: 0,
	- BSON_HAVE_STRNLEN: 0,
	- BSON_HAVE_SNPRINTF: 0,
	- BSON_HAVE_STRLCPY: 0,
	- BSON_HAVE_REALLOCF: 0,
	- BSON_NEEDS_SET_OUTPUT_FORMAT: 0,
	- BSON_HAVE_TIMESPEC: 0,
	- BSON_EXTRA_ALIGN: 0,
	- BSON_HAVE_SYSCALL_TID: 0,
	- BSON_HAVE_DECIMAL128: 0,
	- BSON_HAVE_GMTIME_R: 0,
	- BSON_HAVE_RAND_R: 0
	- };
	-
	- if (CHECK_FUNC_IN_HEADER("stdio.h", "_set_output_format")) {
	- bson_opts.BSON_NEEDS_SET_OUTPUT_FORMAT = 1;
	- }
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-config.h.in",
	- configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-config.h",
	- bson_opts
	- );
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-version.h.in",
	- configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-version.h",
	- mongodb_parse_version_file(configure_module_dirname + "/src/LIBMONGOC_VERSION_CURRENT", "BSON_")
	- );
	-
	- var mongoc_opts = {
	- // TODO: Support building with Secure Channel on Windows
	- MONGOC_ENABLE_SSL_SECURE_CHANNEL: 0,
	- MONGOC_ENABLE_CRYPTO_CNG: 0,
	- // Secure Transport does not apply to Windows
	- MONGOC_ENABLE_SSL_SECURE_TRANSPORT: 0,
	- MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO: 0,
	- MONGOC_ENABLE_SSL_LIBRESSL: 0,
	- MONGOC_ENABLE_SSL_OPENSSL: 0,
	- MONGOC_ENABLE_CRYPTO_LIBCRYPTO: 0,
	- MONGOC_ENABLE_SSL: 0,
	- MONGOC_ENABLE_CRYPTO: 0,
	- MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE: 0,
	- MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION: 0,
	- MONGOC_ENABLE_COMPRESSION_SNAPPY: 0,
	- MONGOC_ENABLE_COMPRESSION_ZLIB: 0,
	- MONGOC_ENABLE_COMPRESSION_ZSTD: 0,
	- MONGOC_ENABLE_COMPRESSION: 0,
	- MONGOC_ENABLE_DEBUG_ASSERTIONS: 0,
	- MONGOC_ENABLE_MONGODB_AWS_AUTH: 0,
	- MONGOC_ENABLE_SASL: 0,
	- MONGOC_ENABLE_SASL_CYRUS: 0,
	- MONGOC_ENABLE_SASL_GSSAPI: 0,
	- MONGOC_ENABLE_SASL_SSPI: 0,
	- MONGOC_ENABLE_ICU: 0,
	- MONGOC_ENABLE_RDTSCP: 0,
	- MONGOC_ENABLE_SHM_COUNTERS: 0,
	- MONGOC_HAVE_ASN1_STRING_GET0_DATA: 0,
	- MONGOC_HAVE_SASL_CLIENT_DONE: 0,
	- MONGOC_HAVE_SCHED_GETCPU: 0,
	- MONGOC_HAVE_SOCKLEN: 1,
	- MONGOC_HAVE_WEAK_SYMBOLS: 0,
	- MONGOC_NO_AUTOMATIC_GLOBALS: 1,
	- MONGOC_SOCKET_ARG2: "struct sockaddr",
	- MONGOC_SOCKET_ARG3: "socklen_t",
	- MONGOC_TRACE: 1,
	- MONGOC_HAVE_DNSAPI: 0,
	- MONGOC_HAVE_RES_NSEARCH: 0,
	- MONGOC_HAVE_RES_NDESTROY: 0,
	- MONGOC_HAVE_RES_NCLOSE: 0,
	- MONGOC_HAVE_RES_SEARCH: 0,
	- MONGOC_HAVE_SS_FAMILY: 0,
	- MONGOC_CC: "",
	- MONGOC_USER_SET_CFLAGS: "",
	- MONGOC_USER_SET_LDFLAGS: ""
	- };
	-
	- var mongoc_ssl_path_to_check = PHP_MONGODB;
	-
	- if (typeof PHP_OPENSSL === 'string') {
	- mongoc_ssl_path_to_check += ";" + PHP_OPENSSL;
	- }
	-
	- var mongoc_ssl_found = false;
	-
	- /* PHP 7.1.2 introduced SETUP_OPENSSL(), which supports OpenSSL 1.1.x. Earlier
	- * versions will use the legacy check for OpenSSL 1.0.x and lower. */
	- if (typeof SETUP_OPENSSL === 'function') {
	- openssl_type = SETUP_OPENSSL("mongodb", mongoc_ssl_path_to_check);
	- mongoc_ssl_found = openssl_type > 0;
	- if (openssl_type >= 2) {
	- mongoc_opts.MONGOC_HAVE_ASN1_STRING_GET0_DATA = 1;
	- }
	- } else if (CHECK_LIB("ssleay32.lib", "mongodb", mongoc_ssl_path_to_check) &&
	- CHECK_LIB("libeay32.lib", "mongodb", mongoc_ssl_path_to_check) &&
	- CHECK_LIB("crypt32.lib", "mongodb", mongoc_ssl_path_to_check) &&
	- CHECK_HEADER_ADD_INCLUDE("openssl/ssl.h", "CFLAGS_MONGODB")) {
	- mongoc_ssl_found = true;
	- }
	-
	- if (mongoc_ssl_found) {
	- mongoc_opts.MONGOC_ENABLE_SSL_OPENSSL = 1;
	- mongoc_opts.MONGOC_ENABLE_CRYPTO_LIBCRYPTO = 1;
	- mongoc_opts.MONGOC_ENABLE_SSL = 1;
	- mongoc_opts.MONGOC_ENABLE_CRYPTO = 1;
	- mongoc_opts.MONGOC_ENABLE_MONGODB_AWS_AUTH = 1;
	-
	- ADD_FLAG("CFLAGS_MONGODB", "/D KMS_MSG_STATIC=1 /D KMS_MESSAGE_ENABLE_CRYPTO=1 /D KMS_MESSAGE_ENABLE_CRYPTO_LIBCRYPTO=1");
	- } else {
	- WARNING("mongodb libopenssl support not enabled, libs not found");
	- }
	-
	- // TODO: Support building with native GSSAPI (SSPI) on Windows
	- if (PHP_MONGODB_SASL != "no" &&
	- CHECK_LIB("libsasl.lib", "mongodb", PHP_MONGODB) &&
	- CHECK_HEADER_ADD_INCLUDE("sasl/sasl.h", "CFLAGS_MONGODB")) {
	- mongoc_opts.MONGOC_ENABLE_SASL = 1;
	- mongoc_opts.MONGOC_ENABLE_SASL_CYRUS = 1;
	- if (CHECK_FUNC_IN_HEADER("sasl/sasl.h", "sasl_client_done")) {
	- mongoc_opts.MONGOC_HAVE_SASL_CLIENT_DONE = 1;
	- }
	- } else if (PHP_MONGODB_SASL != "no") {
	- WARNING("mongodb libsasl support not enabled, libs not found");
	- }
	-
	- if (PHP_MONGODB_CLIENT_SIDE_ENCRYPTION != "no" && mongoc_ssl_found) {
	- mongoc_opts.MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION = 1;
	-
	- ADD_FLAG("CFLAGS_MONGODB", "/D KMS_MESSAGE_LITTLE_ENDIAN=1");
	- ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongocrypt/src");
	- ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongocrypt/kms-message/src");
	- ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongocrypt-compat");
	-
	- var mongocrypt_opts = {
	- MONGOCRYPT_ENABLE_TRACE: 1,
	- MONGOCRYPT_ENABLE_CRYPTO: 1,
	- MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO: 1,
	- // TODO: Support building with Secure Channel on Windows
	- MONGOCRYPT_ENABLE_CRYPTO_CNG: 0,
	- // Secure Transport does not apply to Windows
	- MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO: 0
	- };
	-
	- // Generated with: find src/libmongocrypt/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 4- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_MONGOCRYPT_SOURCES="mongocrypt-binary.c mongocrypt-buffer.c mongocrypt.c mongocrypt-cache.c mongocrypt-cache-collinfo.c mongocrypt-cache-key.c mongocrypt-cache-oauth.c mongocrypt-ciphertext.c mongocrypt-crypto.c mongocrypt-ctx.c mongocrypt-ctx-datakey.c mongocrypt-ctx-decrypt.c mongocrypt-ctx-encrypt.c mongocrypt-endpoint.c mongocrypt-kek.c mongocrypt-key-broker.c mongocrypt-key.c mongocrypt-kms-ctx.c mongocrypt-log.c mongocrypt-marking.c mongocrypt-opts.c mongocrypt-status.c mongocrypt-traverse-util.c mongocrypt-util.c";
	-
	- // Generated with: find src/libmongocrypt/src/crypto -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES="cng.c commoncrypto.c libcrypto.c none.c";
	-
	- // Generated with: find src/libmongocrypt/src/os_posix -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES="os_mutex.c os_once.c";
	-
	- // Generated with: find src/libmongocrypt/src/os_win -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES="os_mutex.c os_once.c";
	-
	- // Generated with: find src/libmongocrypt/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	- var PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES="hexlify.c kms_azure_request.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_gcp_request.c kms_kmip_reader_writer.c kms_kmip_request.c kms_kmip_response.c kms_kmip_response_parser.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c";
	-
	- MONGODB_ADD_SOURCES("/src/libmongocrypt/src", PHP_MONGODB_MONGOCRYPT_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongocrypt/src/crypto", PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongocrypt/src/os_posix", PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongocrypt/src/os_win", PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES);
	- MONGODB_ADD_SOURCES("/src/libmongocrypt/kms-message/src", PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES);
	-
	- var mongocrypt_version = mongodb_parse_version_file(configure_module_dirname + "/src/LIBMONGOCRYPT_VERSION_CURRENT", "")
	- mongocrypt_opts.MONGOCRYPT_BUILD_VERSION = mongocrypt_version.VERSION;
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongocrypt/src/mongocrypt-config.h.in",
	- configure_module_dirname + "/src/libmongocrypt/src/mongocrypt-config.h",
	- mongocrypt_opts
	- );
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongocrypt/src/mongocrypt.h.in",
	- configure_module_dirname + "/src/libmongocrypt/src/mongocrypt.h",
	- mongocrypt_opts
	- );
	- } else if (PHP_MONGODB_CLIENT_SIDE_ENCRYPTION != "no") {
	- // No SSL library found, we can't enable libmongocrypt
	- WARNING("mongodb libmongocrypt support not enabled, crypto libs not found");
	- }
	-
	- if (PHP_MONGODB_CLIENT_SIDE_ENCRYPTION == "no" && mongoc_ssl_found) {
	- // Add kms-message sources bundled with libmongoc
	- MONGODB_ADD_SOURCES("/src/libmongoc/src/kms-message/src", PHP_MONGODB_KMS_MESSAGE_SOURCES);
	- ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongoc/src/kms-message/src");
	- }
	-
	- if (CHECK_LIB("dnsapi.lib", "mongodb", PHP_MONGODB) &&
	- CHECK_HEADER_ADD_INCLUDE("windns.h", "CFLAGS_MONGODB")) {
	- mongoc_opts.MONGOC_HAVE_DNSAPI = 1;
	- }
	-
	- if (CHECK_LIB("icuuc.lib", "mongodb", PHP_MONGODB) &&
	- CHECK_HEADER_ADD_INCLUDE("unicode/utf.h", "CFLAGS_MONGODB")) {
	- mongoc_opts.MONGODB_ENABLE_ICU = 1;
	-
	- ADD_FLAG("LIBS_MONGODB", "icudt.lib icuin.lib icuio.lib");
	-
	- /* Compat for ICU before 58.1.*/
	- if (CHECK_LIB("icule.lib", "mongodb", PHP_MONGODB)) {
	- ADD_FLAG("LIBS_MONGODB", "icule.lib");
	- }
	- if (CHECK_LIB("iculx.lib", "mongodb", PHP_MONGODB)) {
	- ADD_FLAG("LIBS_MONGODB", "iculx.lib");
	- }
	-
	- ADD_FLAG("CFLAGS_MONGODB", "/EHsc /D U_USING_ICU_NAMESPACE=1");
	- }
	-
	- if (typeof COMPILER_NAME === 'string') {
	- mongoc_opts.MONGOC_CC = COMPILER_NAME;
	- } else if (typeof VC_VERSIONS === 'array' && typeof VC_VERSIONS[VCVERS] === 'string') {
	- mongoc_opts.MONGOC_CC = VC_VERSIONS[VCVERS];
	- } else if (typeof COMPILER_NAME_LONG === 'string') {
	- mongoc_opts.MONGOC_CC = COMPILER_NAME_LONG;
	- }
	-
	- /* MONGOC_USER_SET_CFLAGS and MONGOC_USER_SET_LDFLAGS can be left blank, as we
	- * do not expect CFLAGS or LDFLAGS to be customized at build time. */
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in",
	- configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h",
	- mongoc_opts
	- );
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongoc/src/common/common-config.h.in",
	- configure_module_dirname + "/src/libmongoc/src/common/common-config.h",
	- mongoc_opts
	- );
	-
	- mongodb_generate_header(
	- configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h.in",
	- configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h",
	- mongodb_parse_version_file(configure_module_dirname + "/src/LIBMONGOC_VERSION_CURRENT", "MONGOC_")
	- );
	-}
	diff --git a/mongodb-1.12.0/phongo_compat.c b/mongodb-1.12.0/phongo_compat.c
	deleted file mode 100644
	index cee43b86..00000000
	--- a/mongodb-1.12.0/phongo_compat.c
	+++ /dev/null
	@@ -1,88 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-/* Our Compatability header */
	-#include "phongo_compat.h"
	-
	-void phongo_add_exception_prop(const char* prop, int prop_len, zval* value)
	-{
	- if (EG(exception)) {
	- zval ex;
	- ZVAL_OBJ(&ex, EG(exception));
	- zend_update_property(Z_OBJCE(ex), PHONGO_COMPAT_OBJ_P(&ex), prop, prop_len, value);
	- }
	-}
	-
	-#ifdef ZEND_HASH_GET_APPLY_COUNT /* PHP 7.2 or earlier recursion protection */
	-zend_bool php_phongo_zend_hash_apply_protection_begin(HashTable* ht)
	-{
	- if (!ht) {
	- return 1;
	- }
	- if (ZEND_HASH_GET_APPLY_COUNT(ht) > 0) {
	- return 0;
	- }
	- if (ZEND_HASH_APPLY_PROTECTION(ht)) {
	- ZEND_HASH_INC_APPLY_COUNT(ht);
	- }
	- return 1;
	-}
	-
	-zend_bool php_phongo_zend_hash_apply_protection_end(HashTable* ht)
	-{
	- if (!ht) {
	- return 1;
	- }
	- if (ZEND_HASH_GET_APPLY_COUNT(ht) == 0) {
	- return 0;
	- }
	- if (ZEND_HASH_APPLY_PROTECTION(ht)) {
	- ZEND_HASH_DEC_APPLY_COUNT(ht);
	- }
	- return 1;
	-}
	-#else /* PHP 7.3 or later */
	-zend_bool php_phongo_zend_hash_apply_protection_begin(zend_array* ht)
	-{
	- if (GC_IS_RECURSIVE(ht)) {
	- return 0;
	- }
	- if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
	- GC_PROTECT_RECURSION(ht);
	- }
	- return 1;
	-}
	-
	-zend_bool php_phongo_zend_hash_apply_protection_end(zend_array* ht)
	-{
	- if (!GC_IS_RECURSIVE(ht)) {
	- return 0;
	- }
	- if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
	- GC_UNPROTECT_RECURSION(ht);
	- }
	- return 1;
	-}
	-#endif
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/phongo_compat.h b/mongodb-1.12.0/phongo_compat.h
	deleted file mode 100644
	index 9b685453..00000000
	--- a/mongodb-1.12.0/phongo_compat.h
	+++ /dev/null
	@@ -1,263 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_COMPAT_H
	-#define PHONGO_COMPAT_H
	-
	-#include <php.h>
	-#include <Zend/zend_string.h>
	-#include <Zend/zend_portability.h>
	-
	-#ifdef PHP_WIN32
	-#include "config.w32.h"
	-#else
	-#include <php_config.h>
	-#endif
	-
	-#ifndef PHP_FE_END
	-#define PHP_FE_END \
	- { \
	- NULL, NULL, NULL \
	- }
	-#endif
	-
	-#ifndef HASH_KEY_NON_EXISTENT
	-#define HASH_KEY_NON_EXISTENT HASH_KEY_NON_EXISTANT
	-#endif
	-
	-#if defined(__GNUC__)
	-#define ARG_UNUSED __attribute__((unused))
	-#else
	-#define ARG_UNUSED
	-#endif
	-
	-#if defined(__GNUC__)
	-#define PHONGO_GNUC_CHECK_VERSION(major, minor) \
	- ((__GNUC__ > (major)) \|\| \
	- ((__GNUC__ == (major)) && (__GNUC_MINOR__ >= (minor))))
	-#else
	-#define PHONGO_GNUC_CHECK_VERSION(major, minor) 0
	-#endif
	-
	-#if PHONGO_GNUC_CHECK_VERSION(7, 0)
	-#define PHONGO_BREAK_INTENTIONALLY_MISSING __attribute__((fallthrough));
	-#elif defined(__clang__) && __clang_major__ >= 12
	-#define PHONGO_BREAK_INTENTIONALLY_MISSING __attribute__((fallthrough));
	-#else
	-#define PHONGO_BREAK_INTENTIONALLY_MISSING
	-#endif
	-
	-#if PHP_VERSION_ID >= 80000
	-#define PHONGO_COMPAT_OBJ_P(val) Z_OBJ_P(val)
	-#define phongo_compat_object_handler_type zend_object
	-#define PHONGO_COMPAT_GET_OBJ(val) val
	-#define PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(type) php_phongo_handler_##type.compare = php_phongo_##type##_compare_objects;
	-#else /* PHP_VERSION_ID < 80000 */
	-#define PHONGO_COMPAT_OBJ_P(val) val
	-#define phongo_compat_object_handler_type zval
	-#define PHONGO_COMPAT_GET_OBJ(val) Z_OBJ_P(val)
	-#define PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(type) php_phongo_handler_##type.compare_objects = php_phongo_##type##_compare_objects;
	-#define ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2)
	-#endif /* PHP_VERSION_ID >= 80000 */
	-
	-#if SIZEOF_ZEND_LONG == 8
	-#define PHONGO_LONG_FORMAT PRId64
	-#elif SIZEOF_ZEND_LONG == 4
	-#define PHONGO_LONG_FORMAT PRId32
	-#else
	-#error Unsupported architecture (integers are neither 32-bit nor 64-bit)
	-#endif
	-#define PHONGO_ALLOC_OBJECT_T(_obj_t, _class_type) (_obj_t*) ecalloc(1, sizeof(_obj_t) + zend_object_properties_size(_class_type))
	-#define ADD_ASSOC_STRING(_zv, _key, _value) add_assoc_string_ex(_zv, ZEND_STRL(_key), (char*) (_value));
	-#define ADD_ASSOC_STRINGL(_zv, _key, _value, _len) add_assoc_stringl_ex(_zv, ZEND_STRL(_key), (char*) (_value), _len);
	-#define ADD_ASSOC_STRING_EX(_zv, _key, _key_len, _value, _value_len) add_assoc_stringl_ex(_zv, _key, _key_len, (char*) (_value), _value_len);
	-#define ADD_ASSOC_LONG_EX(_zv, _key, _value) add_assoc_long_ex(_zv, ZEND_STRL(_key), _value);
	-#define ADD_ASSOC_ZVAL_EX(_zv, _key, _value) add_assoc_zval_ex(_zv, ZEND_STRL(_key), _value);
	-#define ADD_ASSOC_ZVAL(_zv, _key, _value) add_assoc_zval(_zv, _key, _value);
	-#define ADD_ASSOC_NULL_EX(_zv, _key) add_assoc_null_ex(_zv, ZEND_STRL(_key));
	-#define ADD_ASSOC_BOOL_EX(_zv, _key, _value) add_assoc_bool_ex(_zv, ZEND_STRL(_key), _value);
	-#define ZVAL_INT64_STRING(_zv, _value) \
	- do { \
	- char tmp[24]; \
	- int tmp_len; \
	- tmp_len = snprintf(tmp, sizeof(tmp), "%" PRId64, (_value)); \
	- ZVAL_STRINGL((_zv), tmp, tmp_len); \
	- } while (0)
	-#define ADD_ASSOC_INT64_AS_STRING(_zv, _key, _value) \
	- do { \
	- zval z_int; \
	- ZVAL_INT64_STRING(&z_int, (_value)); \
	- ADD_ASSOC_ZVAL_EX((_zv), (_key), &z_int); \
	- } while (0)
	-#define ADD_NEXT_INDEX_STRINGL(_zv, _value, _len) add_next_index_stringl(_zv, _value, _len);
	-#define PHONGO_RETVAL_SMART_STR(val) RETVAL_STRINGL(ZSTR_VAL((val).s), ZSTR_LEN((val).s));
	-#define ZVAL_STATIC_INIT \
	- { \
	- { \
	- 0 \
	- } \
	- }
	-
	-#if SIZEOF_ZEND_LONG == 8
	-#define ADD_INDEX_INT64(_zv, _index, _value) add_index_long((_zv), (_index), (_value))
	-#define ADD_NEXT_INDEX_INT64(_zv, _value) add_next_index_long((_zv), (_value))
	-#define ADD_ASSOC_INT64(_zv, _key, _value) add_assoc_long((_zv), (_key), (_value))
	-#define ZVAL_INT64(_zv, _value) ZVAL_LONG((_zv), (_value))
	-#elif SIZEOF_ZEND_LONG == 4
	-#define ADD_INDEX_INT64(_zv, _index, _value) \
	- if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	- zval zchild; \
	- php_phongo_bson_new_int64(&zchild, (_value)); \
	- add_index_zval((_zv), (_index), &zchild); \
	- } else { \
	- add_index_long((_zv), (_index), (_value)); \
	- }
	-#define ADD_NEXT_INDEX_INT64(_zv, _value) \
	- if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	- zval zchild; \
	- php_phongo_bson_new_int64(&zchild, (_value)); \
	- add_next_index_zval((_zv), &zchild); \
	- } else { \
	- add_next_index_long((_zv), (_value)); \
	- }
	-#define ADD_ASSOC_INT64(_zv, _key, _value) \
	- if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	- zval zchild; \
	- php_phongo_bson_new_int64(&zchild, (_value)); \
	- add_assoc_zval((_zv), (_key), &zchild); \
	- } else { \
	- add_assoc_long((_zv), (_key), (_value)); \
	- }
	-#define ZVAL_INT64(_zv, _value) \
	- if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	- php_phongo_bson_new_int64((_zv), (_value)); \
	- } else { \
	- ZVAL_LONG((_zv), (_value)); \
	- }
	-#else /* SIZEOF_ZEND_LONG != 8 && SIZEOF_ZEND_LONG != 4 */
	-#error Unsupported architecture (integers are neither 32-bit nor 64-bit)
	-#endif /* SIZEOF_ZEND_LONG */
	-
	-#if PHP_VERSION_ID < 70300
	-#define ZVAL_COPY_DEREF(z, v) \
	- do { \
	- zval* _z3 = (v); \
	- if (Z_OPT_REFCOUNTED_P(_z3)) { \
	- if (UNEXPECTED(Z_OPT_ISREF_P(_z3))) { \
	- _z3 = Z_REFVAL_P(_z3); \
	- if (Z_OPT_REFCOUNTED_P(_z3)) { \
	- Z_ADDREF_P(_z3); \
	- } \
	- } else { \
	- Z_ADDREF_P(_z3); \
	- } \
	- } \
	- ZVAL_COPY_VALUE(z, _z3); \
	- } while (0)
	-#endif /* PHP_VERSION_ID < 70300 */
	-
	-#if PHP_VERSION_ID < 70300
	-static inline zend_bool zend_ini_parse_bool(zend_string* str)
	-{
	- if (zend_string_equals_literal_ci(str, "true") \|\|
	- zend_string_equals_literal_ci(str, "yes") \|\|
	- zend_string_equals_literal_ci(str, "on")) {
	- return 1;
	- } else {
	- return atoi(ZSTR_VAL(str)) != 0;
	- }
	-}
	-#endif /* PHP_VERSION_ID < 70300 */
	-
	-/* Compatibility macros to override error handling logic */
	-#define PHONGO_PARSE_PARAMETERS_START(min_num_args, max_num_args) \
	- do { \
	- zend_error_handling error_handling; \
	- zend_replace_error_handling( \
	- EH_THROW, \
	- phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), \
	- &error_handling); \
	- ZEND_PARSE_PARAMETERS_START(min_num_args, max_num_args)
	-
	-#define PHONGO_PARSE_PARAMETERS_END() \
	- ZEND_PARSE_PARAMETERS_END_EX( \
	- zend_restore_error_handling(&error_handling); \
	- return ); \
	- zend_restore_error_handling(&error_handling); \
	- } \
	- while (0)
	-
	-#ifndef ZEND_PARSE_PARAMETERS_NONE
	-#define PHONGO_PARSE_PARAMETERS_NONE() \
	- do { \
	- zend_error_handling error_handling; \
	- zend_replace_error_handling( \
	- EH_THROW, \
	- phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), \
	- &error_handling); \
	- if (zend_parse_parameters_none() == FAILURE) { \
	- zend_restore_error_handling(&error_handling); \
	- return; \
	- } \
	- zend_restore_error_handling(&error_handling); \
	- } while (0)
	-#else
	-#define PHONGO_PARSE_PARAMETERS_NONE() \
	- do { \
	- zend_error_handling error_handling; \
	- zend_replace_error_handling( \
	- EH_THROW, \
	- phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), \
	- &error_handling); \
	- if (UNEXPECTED(ZEND_NUM_ARGS() != 0)) { \
	- zend_wrong_parameters_none_error(); \
	- zend_restore_error_handling(&error_handling); \
	- return; \
	- } \
	- zend_restore_error_handling(&error_handling); \
	- } while (0)
	-#endif
	-
	-/* Z_PARAM_OBJECT_OF_CLASS_OR_NULL was introduced in PHP 8.0.
	- * See: https://github.com/php/php-src/commit/e93d20ad7ebc1075ef1248a663935ee5ea69f1cd */
	-#ifndef Z_PARAM_OBJECT_OF_CLASS_OR_NULL
	-#define Z_PARAM_OBJECT_OF_CLASS_OR_NULL(dest, _ce) \
	- Z_PARAM_OBJECT_OF_CLASS_EX(dest, _ce, 1, 0)
	-#endif
	-
	-/* Per https://wiki.php.net/rfc/internal_method_return_types, "Non-final
	- * internal method return types - when possible - are declared tentatively in
	- * PHP 8.1, and they will become enforced in PHP 9.0." This can be revisited
	- * when more general typing improvements are made in PHPC-1709. */
	-#ifndef ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX
	-#define ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null) \
	- ZEND_BEGIN_ARG_INFO_EX(name, 0, return_reference, required_num_args)
	-#endif
	-
	-void phongo_add_exception_prop(const char* prop, int prop_len, zval* value);
	-zend_bool php_phongo_zend_hash_apply_protection_begin(HashTable* ht);
	-zend_bool php_phongo_zend_hash_apply_protection_end(HashTable* ht);
	-
	-#endif /* PHONGO_COMPAT_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/phongo_version.h b/mongodb-1.12.0/phongo_version.h
	deleted file mode 100644
	index f6426f2a..00000000
	--- a/mongodb-1.12.0/phongo_version.h
	+++ /dev/null
	@@ -1,26 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_VERSION_H
	-#define PHONGO_VERSION_H
	-
	-/* clang-format off */
	-#define PHP_MONGODB_VERSION "1.12.0"
	-#define PHP_MONGODB_STABILITY "stable"
	-#define PHP_MONGODB_VERSION_DESC 1,12,0,1
	-/* clang-format on */
	-
	-#endif /* PHONGO_VERSION_H */
	diff --git a/mongodb-1.12.0/php_bson.h b/mongodb-1.12.0/php_bson.h
	deleted file mode 100644
	index a02a0451..00000000
	--- a/mongodb-1.12.0/php_bson.h
	+++ /dev/null
	@@ -1,129 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_BSON_H
	-#define PHONGO_BSON_H
	-
	-#include <bson/bson.h>
	-
	-/* PHP Core stuff */
	-#include <php.h>
	-
	-#define BSON_UNSERIALIZE_FUNC_NAME "bsonUnserialize"
	-#define BSON_SERIALIZE_FUNC_NAME "bsonSerialize"
	-
	-#define PHONGO_ODM_FIELD_NAME "__pclass"
	-
	-typedef enum {
	- PHONGO_BSON_NONE = 0x00,
	- PHONGO_BSON_ADD_ID = 0x01,
	- PHONGO_BSON_RETURN_ID = 0x02
	-} php_phongo_bson_flags_t;
	-
	-typedef enum {
	- PHONGO_TYPEMAP_NONE,
	- PHONGO_TYPEMAP_NATIVE_ARRAY,
	- PHONGO_TYPEMAP_NATIVE_OBJECT,
	- PHONGO_TYPEMAP_CLASS
	-} php_phongo_bson_typemap_types;
	-
	-typedef enum {
	- PHONGO_FIELD_PATH_ITEM_NONE,
	- PHONGO_FIELD_PATH_ITEM_ARRAY,
	- PHONGO_FIELD_PATH_ITEM_DOCUMENT
	-} php_phongo_bson_field_path_item_types;
	-
	-typedef struct {
	- char** elements;
	- php_phongo_bson_field_path_item_types* element_types;
	- size_t allocated_size;
	- size_t size;
	- size_t ref_count;
	- bool owns_elements;
	-} php_phongo_field_path;
	-
	-typedef struct _php_phongo_field_path_map_element {
	- php_phongo_field_path* entry;
	- php_phongo_bson_typemap_types node_type;
	- zend_class_entry* node_ce;
	-} php_phongo_field_path_map_element;
	-
	-typedef struct {
	- php_phongo_bson_typemap_types document_type;
	- zend_class_entry* document;
	- php_phongo_bson_typemap_types array_type;
	- zend_class_entry* array;
	- php_phongo_bson_typemap_types root_type;
	- zend_class_entry* root;
	- struct {
	- php_phongo_field_path_map_element** map;
	- size_t allocated_size;
	- size_t size;
	- } field_paths;
	-} php_phongo_bson_typemap;
	-
	-typedef struct {
	- zval zchild;
	- php_phongo_bson_typemap map;
	- zend_class_entry* odm;
	- bool is_visiting_array;
	- php_phongo_field_path* field_path;
	-} php_phongo_bson_state;
	-
	-#define PHONGO_BSON_INIT_STATE(s) \
	- do { \
	- memset(&(s), 0, sizeof(php_phongo_bson_state)); \
	- } while (0)
	-#define PHONGO_BSON_INIT_DEBUG_STATE(s) \
	- do { \
	- memset(&(s), 0, sizeof(php_phongo_bson_state)); \
	- s.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY; \
	- s.map.document_type = PHONGO_TYPEMAP_NATIVE_ARRAY; \
	- } while (0)
	-
	-void php_phongo_zval_to_bson(zval* data, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out);
	-bool php_phongo_bson_to_zval_ex(const unsigned char* data, int data_len, php_phongo_bson_state* state);
	-bool php_phongo_bson_to_zval(const unsigned char* data, int data_len, zval* out);
	-bool php_phongo_bson_value_to_zval(const bson_value_t* value, zval* zv);
	-void php_phongo_zval_to_bson_value(zval* data, php_phongo_bson_flags_t flags, bson_value_t* value);
	-bool php_phongo_bson_typemap_to_state(zval* typemap, php_phongo_bson_typemap* map);
	-void php_phongo_bson_state_ctor(php_phongo_bson_state* state);
	-void php_phongo_bson_state_dtor(php_phongo_bson_state* state);
	-void php_phongo_bson_state_copy_ctor(php_phongo_bson_state* dst, php_phongo_bson_state* src);
	-void php_phongo_bson_typemap_dtor(php_phongo_bson_typemap* map);
	-
	-void php_phongo_bson_new_timestamp_from_increment_and_timestamp(zval* object, uint32_t increment, uint32_t timestamp);
	-void php_phongo_bson_new_int64(zval* object, int64_t integer);
	-
	-php_phongo_field_path* php_phongo_field_path_alloc(bool owns_elements);
	-void php_phongo_field_path_free(php_phongo_field_path* field_path);
	-void php_phongo_field_path_write_item_at_current_level(php_phongo_field_path* field_path, const char* element);
	-void php_phongo_field_path_write_type_at_current_level(php_phongo_field_path* field_path, php_phongo_bson_field_path_item_types element_type);
	-bool php_phongo_field_path_push(php_phongo_field_path* field_path, const char* element, php_phongo_bson_field_path_item_types element_type);
	-bool php_phongo_field_path_pop(php_phongo_field_path* field_path);
	-
	-char* php_phongo_field_path_as_string(php_phongo_field_path* field_path);
	-
	-#endif /* PHONGO_BSON_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/php_phongo.c b/mongodb-1.12.0/php_phongo.c
	deleted file mode 100644
	index 415acf95..00000000
	--- a/mongodb-1.12.0/php_phongo.c
	+++ /dev/null
	@@ -1,4066 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-/* External libs */
	-#include "bson/bson.h"
	-#include "mongoc/mongoc.h"
	-
	-/* PHP Core stuff */
	-#include <php.h>
	-#include <php_ini.h>
	-#include <ext/standard/info.h>
	-#include <ext/standard/file.h>
	-#include <Zend/zend_hash.h>
	-#include <Zend/zend_interfaces.h>
	-#include <Zend/zend_exceptions.h>
	-#include <ext/spl/spl_iterators.h>
	-#include <ext/spl/spl_exceptions.h>
	-#include <ext/standard/php_var.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include <Zend/zend_smart_str.h>
	-
	-#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	-#include <mongocrypt/mongocrypt.h>
	-#endif
	-
	-/* getpid() */
	-#if HAVE_UNISTD_H
	-#include <unistd.h>
	-#endif
	-#ifdef PHP_WIN32
	-#include <process.h>
	-#endif
	-
	-/* Stream wrapper */
	-#include <main/php_streams.h>
	-#include <main/php_network.h>
	-/* String manipulation */
	-#include <Zend/zend_string.h>
	-/* PHP array helpers */
	-#include "php_array_api.h"
	-
	-/* Our Compatability header */
	-#include "phongo_compat.h"
	-
	-/* Our stuffz */
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-#include "src/phongo_apm.h"
	-#include "src/phongo_ini.h"
	-#include "src/BSON/functions.h"
	-#include "src/MongoDB/Monitoring/functions.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "PHONGO"
	-
	-#define PHONGO_METADATA_SEPARATOR " / "
	-#define PHONGO_METADATA_SEPARATOR_LEN (sizeof(PHONGO_METADATA_SEPARATOR) - 1)
	-#define PHONGO_METADATA_PHP_VERSION_PREFIX "PHP "
	-#define PHONGO_METADATA_PHP_VERSION_PREFIX_LEN (sizeof(PHONGO_METADATA_PHP_VERSION_PREFIX) - 1)
	-
	-ZEND_DECLARE_MODULE_GLOBALS(mongodb)
	-#if defined(ZTS) && defined(COMPILE_DL_MONGODB)
	-ZEND_TSRMLS_CACHE_DEFINE();
	-#endif
	-
	-/* Initialize a thread counter, which will be atomically incremented in GINIT.
	- * In turn, GSHUTDOWN will decrement the counter and call mongoc_cleanup() when
	- * it reaches zero (i.e. last thread is shutdown). This is necessary because
	- * mongoc_cleanup() must be called after all persistent clients have been
	- * destroyed. */
	-static int32_t phongo_num_threads = 0;
	-
	-/* Declare zend_class_entry dependencies, which are initialized in MINIT */
	-zend_class_entry* php_phongo_date_immutable_ce;
	-zend_class_entry* php_phongo_json_serializable_ce;
	-
	-php_phongo_server_description_type_map_t
	- php_phongo_server_description_type_map[PHONGO_SERVER_DESCRIPTION_TYPES] = {
	- { PHONGO_SERVER_UNKNOWN, "Unknown" },
	- { PHONGO_SERVER_STANDALONE, "Standalone" },
	- { PHONGO_SERVER_MONGOS, "Mongos" },
	- { PHONGO_SERVER_POSSIBLE_PRIMARY, "PossiblePrimary" },
	- { PHONGO_SERVER_RS_PRIMARY, "RSPrimary" },
	- { PHONGO_SERVER_RS_SECONDARY, "RSSecondary" },
	- { PHONGO_SERVER_RS_ARBITER, "RSArbiter" },
	- { PHONGO_SERVER_RS_OTHER, "RSOther" },
	- { PHONGO_SERVER_RS_GHOST, "RSGhost" },
	- { PHONGO_SERVER_LOAD_BALANCER, "LoadBalancer" },
	- };
	-
	-/* {{{ phongo_std_object_handlers */
	-zend_object_handlers phongo_std_object_handlers;
	-
	-zend_object_handlers* phongo_get_std_object_handlers(void)
	-{
	- return &phongo_std_object_handlers;
	-}
	-/* }}} */
	-
	-/* Forward declarations */
	-static bool phongo_split_namespace(const char* namespace, char dbname, char cname);
	-
	-/* {{{ Error reporting and logging */
	-zend_class_entry* phongo_exception_from_phongo_domain(php_phongo_error_domain_t domain)
	-{
	- switch (domain) {
	- case PHONGO_ERROR_INVALID_ARGUMENT:
	- return php_phongo_invalidargumentexception_ce;
	- case PHONGO_ERROR_LOGIC:
	- return php_phongo_logicexception_ce;
	- case PHONGO_ERROR_RUNTIME:
	- return php_phongo_runtimeexception_ce;
	- case PHONGO_ERROR_UNEXPECTED_VALUE:
	- return php_phongo_unexpectedvalueexception_ce;
	- case PHONGO_ERROR_MONGOC_FAILED:
	- return php_phongo_runtimeexception_ce;
	- case PHONGO_ERROR_CONNECTION_FAILED:
	- return php_phongo_connectionexception_ce;
	- }
	-
	- MONGOC_ERROR("Resolving unknown phongo error domain: %d", domain);
	- return php_phongo_runtimeexception_ce;
	-}
	-zend_class_entry* phongo_exception_from_mongoc_domain(mongoc_error_domain_t domain, mongoc_error_code_t code)
	-{
	- if (domain == MONGOC_ERROR_CLIENT) {
	- if (code == MONGOC_ERROR_CLIENT_AUTHENTICATE) {
	- return php_phongo_authenticationexception_ce;
	- }
	-
	- if (code == MONGOC_ERROR_CLIENT_INVALID_ENCRYPTION_ARG) {
	- return php_phongo_invalidargumentexception_ce;
	- }
	- }
	-
	- if (domain == MONGOC_ERROR_COMMAND && code == MONGOC_ERROR_COMMAND_INVALID_ARG) {
	- return php_phongo_invalidargumentexception_ce;
	- }
	-
	- if (domain == MONGOC_ERROR_SERVER) {
	- if (code == PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT) {
	- return php_phongo_executiontimeoutexception_ce;
	- }
	-
	- return php_phongo_serverexception_ce;
	- }
	-
	- if (domain == MONGOC_ERROR_SERVER_SELECTION && code == MONGOC_ERROR_SERVER_SELECTION_FAILURE) {
	- return php_phongo_connectiontimeoutexception_ce;
	- }
	-
	- if (domain == MONGOC_ERROR_STREAM) {
	- if (code == MONGOC_ERROR_STREAM_SOCKET) {
	- return php_phongo_connectiontimeoutexception_ce;
	- }
	-
	- return php_phongo_connectionexception_ce;
	- }
	-
	- if (domain == MONGOC_ERROR_WRITE_CONCERN) {
	- return php_phongo_serverexception_ce;
	- }
	-
	- if (domain == MONGOC_ERROR_PROTOCOL && code == MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION) {
	- return php_phongo_connectionexception_ce;
	- }
	-
	- if (domain == MONGOC_ERROR_CLIENT_SIDE_ENCRYPTION) {
	- return php_phongo_encryptionexception_ce;
	- }
	-
	- return php_phongo_runtimeexception_ce;
	-}
	-void phongo_throw_exception(php_phongo_error_domain_t domain, const char* format, ...)
	-{
	- va_list args;
	- char* message;
	- int message_len;
	-
	- va_start(args, format);
	- message_len = vspprintf(&message, 0, format, args);
	- zend_throw_exception(phongo_exception_from_phongo_domain(domain), message, 0);
	- efree(message);
	- va_end(args);
	-}
	-
	-static int phongo_exception_append_error_labels(zval* labels, const bson_iter_t* iter)
	-{
	- bson_iter_t error_labels;
	- uint32_t label_count = 0;
	-
	- if (!BSON_ITER_HOLDS_ARRAY(iter) \|\| !bson_iter_recurse(iter, &error_labels)) {
	- return label_count;
	- }
	-
	- while (bson_iter_next(&error_labels)) {
	- if (BSON_ITER_HOLDS_UTF8(&error_labels)) {
	- const char* error_label;
	- uint32_t error_label_len;
	-
	- error_label = bson_iter_utf8(&error_labels, &error_label_len);
	- ADD_NEXT_INDEX_STRINGL(labels, error_label, error_label_len);
	- label_count++;
	- }
	- }
	-
	- return label_count;
	-}
	-
	-static void phongo_exception_add_error_labels(const bson_t* reply)
	-{
	- bson_iter_t iter, child;
	- zval labels;
	- uint32_t label_count = 0;
	-
	- if (!reply) {
	- return;
	- }
	-
	- array_init(&labels);
	-
	- if (bson_iter_init_find(&iter, reply, "errorLabels")) {
	- label_count += phongo_exception_append_error_labels(&labels, &iter);
	- }
	-
	- if (bson_iter_init_find(&iter, reply, "writeConcernError") && BSON_ITER_HOLDS_DOCUMENT(&iter) &&
	- bson_iter_recurse(&iter, &child) && bson_iter_find(&child, "errorLabels")) {
	- label_count += phongo_exception_append_error_labels(&labels, &child);
	- }
	-
	- /* mongoc_write_result_t always reports writeConcernErrors in an array, so
	- * we must iterate this to collect WCE labels for BulkWrite replies. */
	- if (bson_iter_init_find(&iter, reply, "writeConcernErrors") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	- bson_iter_t wce;
	-
	- while (bson_iter_next(&child)) {
	- if (BSON_ITER_HOLDS_DOCUMENT(&child) && bson_iter_recurse(&child, &wce) && bson_iter_find(&wce, "errorLabels")) {
	- label_count += phongo_exception_append_error_labels(&labels, &wce);
	- }
	- }
	- }
	-
	- if (label_count > 0) {
	- phongo_add_exception_prop(ZEND_STRL("errorLabels"), &labels);
	- }
	-
	- zval_ptr_dtor(&labels);
	-}
	-
	-void phongo_throw_exception_from_bson_error_t_and_reply(bson_error_t* error, const bson_t* reply)
	-{
	- /* Server errors (other than ExceededTimeLimit) and write concern errors
	- * may use CommandException and report the result document for the
	- * failed command. For BC, ExceededTimeLimit errors will continue to use
	- * ExcecutionTimeoutException and omit the result document. */
	- if (reply && ((error->domain == MONGOC_ERROR_SERVER && error->code != PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT) \|\| error->domain == MONGOC_ERROR_WRITE_CONCERN)) {
	- zval zv;
	-
	- zend_throw_exception(php_phongo_commandexception_ce, error->message, error->code);
	- if (php_phongo_bson_to_zval(bson_get_data(reply), reply->len, &zv)) {
	- phongo_add_exception_prop(ZEND_STRL("resultDocument"), &zv);
	- }
	-
	- zval_ptr_dtor(&zv);
	- } else {
	- zend_throw_exception(phongo_exception_from_mongoc_domain(error->domain, error->code), error->message, error->code);
	- }
	- phongo_exception_add_error_labels(reply);
	-}
	-
	-void phongo_throw_exception_from_bson_error_t(bson_error_t* error)
	-{
	- phongo_throw_exception_from_bson_error_t_and_reply(error, NULL);
	-}
	-
	-/* }}} */
	-
	-/* {{{ Init objects */
	-static void phongo_cursor_init(zval* return_value, zval* manager, mongoc_cursor_t* cursor, zval* readPreference, zval* session) /* {{{ */
	-{
	- php_phongo_cursor_t* intern;
	-
	- object_init_ex(return_value, php_phongo_cursor_ce);
	-
	- intern = Z_CURSOR_OBJ_P(return_value);
	- intern->cursor = cursor;
	- intern->server_id = mongoc_cursor_get_hint(cursor);
	- intern->advanced = false;
	- intern->current = 0;
	-
	- ZVAL_ZVAL(&intern->manager, manager, 1, 0);
	-
	- if (readPreference) {
	- ZVAL_ZVAL(&intern->read_preference, readPreference, 1, 0);
	- }
	-
	- if (session) {
	- ZVAL_ZVAL(&intern->session, session, 1, 0);
	- }
	-} /* }}} */
	-
	-static void phongo_cursor_init_for_command(zval* return_value, zval* manager, mongoc_cursor_t* cursor, const char* db, zval* command, zval* readPreference, zval* session) /* {{{ */
	-{
	- php_phongo_cursor_t* intern;
	-
	- phongo_cursor_init(return_value, manager, cursor, readPreference, session);
	- intern = Z_CURSOR_OBJ_P(return_value);
	-
	- intern->database = estrdup(db);
	-
	- ZVAL_ZVAL(&intern->command, command, 1, 0);
	-} /* }}} */
	-
	-static void phongo_cursor_init_for_query(zval* return_value, zval* manager, mongoc_cursor_t* cursor, const char* namespace, zval* query, zval* readPreference, zval* session) /* {{{ */
	-{
	- php_phongo_cursor_t* intern;
	-
	- phongo_cursor_init(return_value, manager, cursor, readPreference, session);
	- intern = Z_CURSOR_OBJ_P(return_value);
	-
	- /* namespace has already been validated by phongo_execute_query() */
	- phongo_split_namespace(namespace, &intern->database, &intern->collection);
	-
	- /* cursor has already been advanced by phongo_execute_query() calling
	- * phongo_cursor_advance_and_check_for_error() */
	- intern->advanced = true;
	-
	- ZVAL_ZVAL(&intern->query, query, 1, 0);
	-} /* }}} */
	-
	-void phongo_server_init(zval* return_value, zval* manager, uint32_t server_id) /* {{{ */
	-{
	- php_phongo_server_t* server;
	-
	- object_init_ex(return_value, php_phongo_server_ce);
	-
	- server = Z_SERVER_OBJ_P(return_value);
	- server->server_id = server_id;
	-
	- ZVAL_ZVAL(&server->manager, manager, 1, 0);
	-}
	-/* }}} */
	-
	-void phongo_session_init(zval* return_value, zval* manager, mongoc_client_session_t* client_session) /* {{{ */
	-{
	- php_phongo_session_t* session;
	-
	- object_init_ex(return_value, php_phongo_session_ce);
	-
	- session = Z_SESSION_OBJ_P(return_value);
	- session->client_session = client_session;
	-
	- ZVAL_ZVAL(&session->manager, manager, 1, 0);
	-}
	-/* }}} */
	-
	-void phongo_objectid_init(zval* return_value, const bson_oid_t* oid) /* {{{ */
	-{
	- php_phongo_objectid_t* intern;
	-
	- object_init_ex(return_value, php_phongo_objectid_ce);
	-
	- intern = Z_OBJECTID_OBJ_P(return_value);
	- bson_oid_to_string(oid, intern->oid);
	- intern->initialized = true;
	-}
	-/* }}} */
	-
	-void phongo_readconcern_init(zval* return_value, const mongoc_read_concern_t* read_concern) /* {{{ */
	-{
	- php_phongo_readconcern_t* intern;
	-
	- object_init_ex(return_value, php_phongo_readconcern_ce);
	-
	- intern = Z_READCONCERN_OBJ_P(return_value);
	- intern->read_concern = mongoc_read_concern_copy(read_concern);
	-}
	-/* }}} */
	-
	-void phongo_readpreference_init(zval* return_value, const mongoc_read_prefs_t* read_prefs) /* {{{ */
	-{
	- php_phongo_readpreference_t* intern;
	-
	- object_init_ex(return_value, php_phongo_readpreference_ce);
	-
	- intern = Z_READPREFERENCE_OBJ_P(return_value);
	- intern->read_preference = mongoc_read_prefs_copy(read_prefs);
	-}
	-/* }}} */
	-
	-void phongo_writeconcern_init(zval* return_value, const mongoc_write_concern_t* write_concern) /* {{{ */
	-{
	- php_phongo_writeconcern_t* intern;
	-
	- object_init_ex(return_value, php_phongo_writeconcern_ce);
	-
	- intern = Z_WRITECONCERN_OBJ_P(return_value);
	- intern->write_concern = mongoc_write_concern_copy(write_concern);
	-}
	-/* }}} */
	-
	-zend_bool phongo_writeconcernerror_init(zval* return_value, bson_t* bson) /* {{{ */
	-{
	- bson_iter_t iter;
	- php_phongo_writeconcernerror_t* intern;
	-
	- object_init_ex(return_value, php_phongo_writeconcernerror_ce);
	-
	- intern = Z_WRITECONCERNERROR_OBJ_P(return_value);
	- intern->code = 0;
	-
	- if (bson_iter_init_find(&iter, bson, "code") && BSON_ITER_HOLDS_INT32(&iter)) {
	- intern->code = bson_iter_int32(&iter);
	- }
	-
	- if (bson_iter_init_find(&iter, bson, "errmsg") && BSON_ITER_HOLDS_UTF8(&iter)) {
	- uint32_t errmsg_len;
	- const char* err_msg = bson_iter_utf8(&iter, &errmsg_len);
	-
	- intern->message = estrndup(err_msg, errmsg_len);
	- }
	-
	- if (bson_iter_init_find(&iter, bson, "errInfo") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- uint32_t len;
	- const uint8_t* data = NULL;
	-
	- bson_iter_document(&iter, &len, &data);
	-
	- if (!php_phongo_bson_to_zval(data, len, &intern->info)) {
	- zval_ptr_dtor(&intern->info);
	- ZVAL_UNDEF(&intern->info);
	-
	- return false;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-zend_bool phongo_writeerror_init(zval* return_value, bson_t* bson) /* {{{ */
	-{
	- bson_iter_t iter;
	- php_phongo_writeerror_t* intern;
	-
	- object_init_ex(return_value, php_phongo_writeerror_ce);
	-
	- intern = Z_WRITEERROR_OBJ_P(return_value);
	- intern->code = 0;
	- intern->index = 0;
	-
	- if (bson_iter_init_find(&iter, bson, "code") && BSON_ITER_HOLDS_INT32(&iter)) {
	- intern->code = bson_iter_int32(&iter);
	- }
	-
	- if (bson_iter_init_find(&iter, bson, "errmsg") && BSON_ITER_HOLDS_UTF8(&iter)) {
	- uint32_t errmsg_len;
	- const char* err_msg = bson_iter_utf8(&iter, &errmsg_len);
	-
	- intern->message = estrndup(err_msg, errmsg_len);
	- }
	-
	- if (bson_iter_init_find(&iter, bson, "errInfo") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- uint32_t len;
	- const uint8_t* data = NULL;
	-
	- bson_iter_document(&iter, &len, &data);
	-
	- if (!php_phongo_bson_to_zval(data, len, &intern->info)) {
	- zval_ptr_dtor(&intern->info);
	- ZVAL_UNDEF(&intern->info);
	-
	- return false;
	- }
	- }
	-
	- if (bson_iter_init_find(&iter, bson, "index") && BSON_ITER_HOLDS_INT32(&iter)) {
	- intern->index = bson_iter_int32(&iter);
	- }
	-
	- return true;
	-} /* }}} */
	-
	-static php_phongo_writeresult_t* phongo_writeresult_init(zval* return_value, bson_t* reply, zval* manager, uint32_t server_id) /* {{{ */
	-{
	- php_phongo_writeresult_t* writeresult;
	-
	- object_init_ex(return_value, php_phongo_writeresult_ce);
	-
	- writeresult = Z_WRITERESULT_OBJ_P(return_value);
	- writeresult->reply = bson_copy(reply);
	- writeresult->server_id = server_id;
	-
	- ZVAL_ZVAL(&writeresult->manager, manager, 1, 0);
	-
	- return writeresult;
	-} /* }}} */
	-/* }}} */
	-
	-/* {{{ CRUD */
	-/* Splits a namespace name into the database and collection names, allocated with estrdup. */
	-static bool phongo_split_namespace(const char* namespace, char dbname, char cname) /* {{{ */
	-{
	- char* dot = strchr(namespace, '.');
	-
	- if (!dot) {
	- return false;
	- }
	-
	- if (cname) {
	- *cname = estrdup(namespace + (dot - namespace) + 1);
	- }
	- if (dbname) {
	- *dbname = estrndup(namespace, dot - namespace);
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Parses the "readConcern" option for an execute method. If mongoc_opts is not
	- * NULL, the option will be appended. On error, false is returned and an
	- * exception is thrown. */
	-static bool phongo_parse_read_concern(zval* options, bson_t* mongoc_opts) /* {{{ */
	-{
	- zval* option = NULL;
	- mongoc_read_concern_t* read_concern;
	-
	- if (!options) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(options) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	- return false;
	- }
	-
	- option = php_array_fetchc(options, "readConcern");
	-
	- if (!option) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_readconcern_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	- return false;
	- }
	-
	- read_concern = Z_READCONCERN_OBJ_P(option)->read_concern;
	-
	- if (mongoc_opts && !mongoc_read_concern_append(read_concern, mongoc_opts)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"readConcern\" option");
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Parses the "readPreference" option for an execute method. If zreadPreference
	- * is not NULL, it will be assigned to the option. On error, false is returned
	- * and an exception is thrown. */
	-bool phongo_parse_read_preference(zval* options, zval** zreadPreference) /* {{{ */
	-{
	- zval* option = NULL;
	-
	- if (!options) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(options) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	- return false;
	- }
	-
	- option = php_array_fetchc(options, "readPreference");
	-
	- if (!option) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_readpreference_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readPreference\" option to be %s, %s given", ZSTR_VAL(php_phongo_readpreference_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	- return false;
	- }
	-
	- if (zreadPreference) {
	- *zreadPreference = option;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Parses the "session" option for an execute method. The client object should
	- * correspond to the Manager executing the operation and will be used to ensure
	- * that the session is correctly associated with that client. If mongoc_opts is
	- * not NULL, the option will be appended. If zsession is not NULL, it will be
	- * assigned to the option. On error, false is returned and an exception is
	- * thrown. */
	-bool phongo_parse_session(zval* options, mongoc_client_t* client, bson_t* mongoc_opts, zval** zsession) /* {{{ */
	-{
	- zval* option = NULL;
	- const mongoc_client_session_t* client_session;
	-
	- if (!options) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(options) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	- return false;
	- }
	-
	- option = php_array_fetchc(options, "session");
	-
	- if (!option) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_session_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"session\" option to be %s, %s given", ZSTR_VAL(php_phongo_session_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	- return false;
	- }
	-
	- client_session = Z_SESSION_OBJ_P(option)->client_session;
	-
	- if (client != mongoc_client_session_get_client(client_session)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use Session started from a different Manager");
	- return false;
	- }
	-
	- if (mongoc_opts && !mongoc_client_session_append(client_session, mongoc_opts, NULL)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"session\" option");
	- return false;
	- }
	-
	- if (zsession) {
	- *zsession = option;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Parses the "writeConcern" option for an execute method. If mongoc_opts is not
	- * NULL, the option will be appended. If zwriteConcern is not NULL, it will be
	- * assigned to the option. On error, false is returned and an exception is
	- * thrown. */
	-static bool phongo_parse_write_concern(zval* options, bson_t* mongoc_opts, zval** zwriteConcern) /* {{{ */
	-{
	- zval* option = NULL;
	- mongoc_write_concern_t* write_concern;
	-
	- if (!options) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(options) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	- return false;
	- }
	-
	- option = php_array_fetchc(options, "writeConcern");
	-
	- if (!option) {
	- return true;
	- }
	-
	- if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_writeconcern_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"writeConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_writeconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	- return false;
	- }
	-
	- write_concern = Z_WRITECONCERN_OBJ_P(option)->write_concern;
	-
	- if (mongoc_opts && !mongoc_write_concern_append(write_concern, mongoc_opts)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"writeConcern\" option");
	- return false;
	- }
	-
	- if (zwriteConcern) {
	- *zwriteConcern = option;
	- }
	-
	- return true;
	-}
	-
	-bool phongo_execute_bulk_write(zval* manager, const char* namespace, php_phongo_bulkwrite_t* bulk_write, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
	-{
	- mongoc_client_t* client = NULL;
	- bson_error_t error = { 0 };
	- int success;
	- bson_t reply = BSON_INITIALIZER;
	- mongoc_bulk_operation_t* bulk = bulk_write->bulk;
	- php_phongo_writeresult_t* writeresult;
	- zval* zwriteConcern = NULL;
	- zval* zsession = NULL;
	- const mongoc_write_concern_t* write_concern = NULL;
	-
	- client = Z_MANAGER_OBJ_P(manager)->client;
	-
	- if (bulk_write->executed) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "BulkWrite objects may only be executed once and this instance has already been executed");
	- return false;
	- }
	-
	- if (!phongo_split_namespace(namespace, &bulk_write->database, &bulk_write->collection)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s: %s", "Invalid namespace provided", namespace);
	- return false;
	- }
	-
	- if (!phongo_parse_session(options, client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- return false;
	- }
	-
	- if (!phongo_parse_write_concern(options, NULL, &zwriteConcern)) {
	- /* Exception should already have been thrown */
	- return false;
	- }
	-
	- /* If a write concern was not specified, libmongoc will use the client's
	- * write concern; however, we should still fetch it for the write result.
	- * Additionally, we need to check if an unacknowledged write concern would
	- * conflict with an explicit session. */
	- write_concern = zwriteConcern ? Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern : mongoc_client_get_write_concern(client);
	-
	- if (zsession && !mongoc_write_concern_is_acknowledged(write_concern)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot combine \"session\" option with an unacknowledged write concern");
	- return false;
	- }
	-
	- mongoc_bulk_operation_set_database(bulk, bulk_write->database);
	- mongoc_bulk_operation_set_collection(bulk, bulk_write->collection);
	- mongoc_bulk_operation_set_client(bulk, client);
	- mongoc_bulk_operation_set_hint(bulk, server_id);
	-
	- if (zsession) {
	- ZVAL_ZVAL(&bulk_write->session, zsession, 1, 0);
	- mongoc_bulk_operation_set_client_session(bulk, Z_SESSION_OBJ_P(zsession)->client_session);
	- }
	-
	- if (zwriteConcern) {
	- mongoc_bulk_operation_set_write_concern(bulk, Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern);
	- }
	-
	- success = mongoc_bulk_operation_execute(bulk, &reply, &error);
	- bulk_write->executed = true;
	-
	- writeresult = phongo_writeresult_init(return_value, &reply, manager, mongoc_bulk_operation_get_hint(bulk));
	- writeresult->write_concern = mongoc_write_concern_copy(write_concern);
	-
	- /* A BulkWriteException is always thrown if mongoc_bulk_operation_execute()
	- * fails to ensure that the write result is accessible. If the error does
	- * not originate from the server (e.g. socket error), throw the appropriate
	- * exception first. It will be included in BulkWriteException's message and
	- * will also be accessible via Exception::getPrevious(). */
	- if (!success) {
	- if (error.domain != MONGOC_ERROR_SERVER && error.domain != MONGOC_ERROR_WRITE_CONCERN) {
	- phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
	- }
	-
	- /* Argument errors occur before command execution, so there is no need
	- * to layer this InvalidArgumentException behind a BulkWriteException.
	- * In practice, this will be a "Cannot do an empty bulk write" error. */
	- if (error.domain == MONGOC_ERROR_COMMAND && error.code == MONGOC_ERROR_COMMAND_INVALID_ARG) {
	- goto cleanup;
	- }
	-
	- if (EG(exception)) {
	- char* message;
	-
	- (void) spprintf(&message, 0, "Bulk write failed due to previous %s: %s", PHONGO_ZVAL_EXCEPTION_NAME(EG(exception)), error.message);
	- zend_throw_exception(php_phongo_bulkwriteexception_ce, message, 0);
	- efree(message);
	- } else {
	- zend_throw_exception(php_phongo_bulkwriteexception_ce, error.message, error.code);
	- }
	-
	- /* Ensure error labels are added to the final BulkWriteException. If a
	- * previous exception was also thrown, error labels will already have
	- * been added by phongo_throw_exception_from_bson_error_t_and_reply. */
	- phongo_exception_add_error_labels(&reply);
	- phongo_add_exception_prop(ZEND_STRL("writeResult"), return_value);
	- }
	-
	-cleanup:
	- bson_destroy(&reply);
	-
	- return success;
	-} /* }}} */
	-
	-/* Advance the cursor and return whether there is an error. On error, false is
	- * returned and an exception is thrown. */
	-bool phongo_cursor_advance_and_check_for_error(mongoc_cursor_t* cursor) /* {{{ */
	-{
	- const bson_t* doc = NULL;
	-
	- if (!mongoc_cursor_next(cursor, &doc)) {
	- bson_error_t error = { 0 };
	-
	- /* Check for connection related exceptions */
	- if (EG(exception)) {
	- return false;
	- }
	-
	- /* Could simply be no docs, which is not an error */
	- if (mongoc_cursor_error_document(cursor, &error, &doc)) {
	- phongo_throw_exception_from_bson_error_t_and_reply(&error, doc);
	- return false;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-bool phongo_execute_query(zval* manager, const char* namespace, zval* zquery, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
	-{
	- mongoc_client_t* client;
	- const php_phongo_query_t* query;
	- bson_t opts = BSON_INITIALIZER;
	- mongoc_cursor_t* cursor;
	- char* dbname;
	- char* collname;
	- mongoc_collection_t* collection;
	- zval* zreadPreference = NULL;
	- zval* zsession = NULL;
	-
	- client = Z_MANAGER_OBJ_P(manager)->client;
	-
	- if (!phongo_split_namespace(namespace, &dbname, &collname)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s: %s", "Invalid namespace provided", namespace);
	- return false;
	- }
	- collection = mongoc_client_get_collection(client, dbname, collname);
	- efree(dbname);
	- efree(collname);
	-
	- query = Z_QUERY_OBJ_P(zquery);
	-
	- bson_copy_to(query->opts, &opts);
	-
	- if (query->read_concern) {
	- mongoc_collection_set_read_concern(collection, query->read_concern);
	- }
	-
	- if (!phongo_parse_read_preference(options, &zreadPreference)) {
	- /* Exception should already have been thrown */
	- mongoc_collection_destroy(collection);
	- bson_destroy(&opts);
	- return false;
	- }
	-
	- if (!phongo_parse_session(options, client, &opts, &zsession)) {
	- /* Exception should already have been thrown */
	- mongoc_collection_destroy(collection);
	- bson_destroy(&opts);
	- return false;
	- }
	-
	- if (!BSON_APPEND_INT32(&opts, "serverId", server_id)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"serverId\" option");
	- mongoc_collection_destroy(collection);
	- bson_destroy(&opts);
	- return false;
	- }
	-
	- cursor = mongoc_collection_find_with_opts(collection, query->filter, &opts, phongo_read_preference_from_zval(zreadPreference));
	- mongoc_collection_destroy(collection);
	- bson_destroy(&opts);
	-
	- /* maxAwaitTimeMS must be set before the cursor is sent */
	- if (query->max_await_time_ms) {
	- mongoc_cursor_set_max_await_time_ms(cursor, query->max_await_time_ms);
	- }
	-
	- if (!phongo_cursor_advance_and_check_for_error(cursor)) {
	- mongoc_cursor_destroy(cursor);
	- return false;
	- }
	-
	- phongo_cursor_init_for_query(return_value, manager, cursor, namespace, zquery, zreadPreference, zsession);
	-
	- return true;
	-} /* }}} */
	-
	-static bson_t* create_wrapped_command_envelope(const char* db, bson_t* reply)
	-{
	- bson_t* tmp;
	- size_t max_ns_len = strlen(db) + 5 + 1; /* db + ".$cmd" + '\0' */
	- char* ns = emalloc(max_ns_len);
	-
	- snprintf(ns, max_ns_len, "%s.$cmd", db);
	- tmp = BCON_NEW("cursor", "{", "id", BCON_INT64(0), "ns", BCON_UTF8(ns), "firstBatch", "[", BCON_DOCUMENT(reply), "]", "}");
	- efree(ns);
	-
	- return tmp;
	-}
	-
	-static zval* phongo_create_implicit_session(zval* manager) /* {{{ */
	-{
	- mongoc_client_session_t* cs;
	- zval* zsession;
	-
	- cs = mongoc_client_start_session(Z_MANAGER_OBJ_P(manager)->client, NULL, NULL);
	-
	- if (!cs) {
	- return NULL;
	- }
	-
	- zsession = ecalloc(1, sizeof(zval));
	-
	- phongo_session_init(zsession, manager, cs);
	-
	- return zsession;
	-} /* }}} */
	-
	-bool phongo_execute_command(zval* manager, php_phongo_command_type_t type, const char* db, zval* zcommand, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
	-{
	- mongoc_client_t* client;
	- const php_phongo_command_t* command;
	- bson_iter_t iter;
	- bson_t reply;
	- bson_error_t error = { 0 };
	- bson_t opts = BSON_INITIALIZER;
	- mongoc_cursor_t* cmd_cursor;
	- zval* zreadPreference = NULL;
	- zval* zsession = NULL;
	- bool result = false;
	- bool free_reply = false;
	- bool free_zsession = false;
	- bool is_unacknowledged_write_concern = false;
	-
	- client = Z_MANAGER_OBJ_P(manager)->client;
	- command = Z_COMMAND_OBJ_P(zcommand);
	-
	- if ((type & PHONGO_OPTION_READ_CONCERN) && !phongo_parse_read_concern(options, &opts)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if ((type & PHONGO_OPTION_READ_PREFERENCE) && !phongo_parse_read_preference(options, &zreadPreference)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!phongo_parse_session(options, client, &opts, &zsession)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (type & PHONGO_OPTION_WRITE_CONCERN) {
	- zval* zwriteConcern = NULL;
	-
	- if (!phongo_parse_write_concern(options, &opts, &zwriteConcern)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- /* Determine if the explicit or inherited write concern is
	- * unacknowledged so that we can ensure it does not conflict with an
	- * explicit or implicit session. */
	- if (zwriteConcern) {
	- is_unacknowledged_write_concern = !mongoc_write_concern_is_acknowledged(Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern);
	- } else if (type != PHONGO_COMMAND_RAW) {
	- is_unacknowledged_write_concern = !mongoc_write_concern_is_acknowledged(mongoc_client_get_write_concern(client));
	- }
	- }
	-
	- if (zsession && is_unacknowledged_write_concern) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot combine \"session\" option with an unacknowledged write concern");
	- goto cleanup;
	- }
	-
	- /* If an explicit session was not provided and the effective write concern
	- * is not unacknowledged, attempt to create an implicit client session
	- * (ignoring any errors). */
	- if (!zsession && !is_unacknowledged_write_concern) {
	- zsession = phongo_create_implicit_session(manager);
	-
	- if (zsession) {
	- free_zsession = true;
	-
	- if (!mongoc_client_session_append(Z_SESSION_OBJ_P(zsession)->client_session, &opts, NULL)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending implicit \"sessionId\" option");
	- goto cleanup;
	- }
	- }
	- }
	-
	- if (!BSON_APPEND_INT32(&opts, "serverId", server_id)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"serverId\" option");
	- goto cleanup;
	- }
	-
	- /* Although "opts" already always includes the serverId option, the read
	- * preference is added to the command parts, which is relevant for mongos
	- * command construction. */
	- switch (type) {
	- case PHONGO_COMMAND_RAW:
	- result = mongoc_client_command_with_opts(client, db, command->bson, phongo_read_preference_from_zval(zreadPreference), &opts, &reply, &error);
	- break;
	- case PHONGO_COMMAND_READ:
	- result = mongoc_client_read_command_with_opts(client, db, command->bson, phongo_read_preference_from_zval(zreadPreference), &opts, &reply, &error);
	- break;
	- case PHONGO_COMMAND_WRITE:
	- result = mongoc_client_write_command_with_opts(client, db, command->bson, &opts, &reply, &error);
	- break;
	- case PHONGO_COMMAND_READ_WRITE:
	- /* We can pass NULL as readPreference, as this argument was added historically, but has no function */
	- result = mongoc_client_read_write_command_with_opts(client, db, command->bson, NULL, &opts, &reply, &error);
	- break;
	- default:
	- /* Should never happen, but if it does: exception */
	- phongo_throw_exception(PHONGO_ERROR_LOGIC, "Type '%d' should never have been passed to phongo_execute_command, please file a bug report", type);
	- goto cleanup;
	- }
	-
	- free_reply = true;
	-
	- if (!result) {
	- phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
	- goto cleanup;
	- }
	-
	- /* According to mongoc_cursor_new_from_command_reply_with_opts(), the reply
	- * bson_t is ultimately destroyed on both success and failure. */
	- if (bson_iter_init_find(&iter, &reply, "cursor") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- bson_t initial_reply = BSON_INITIALIZER;
	- bson_t cursor_opts = BSON_INITIALIZER;
	- bson_error_t error = { 0 };
	-
	- bson_copy_to(&reply, &initial_reply);
	-
	- bson_append_int32(&cursor_opts, "serverId", -1, server_id);
	-
	- if (command->max_await_time_ms) {
	- bson_append_bool(&cursor_opts, "awaitData", -1, 1);
	- bson_append_int64(&cursor_opts, "maxAwaitTimeMS", -1, command->max_await_time_ms);
	- bson_append_bool(&cursor_opts, "tailable", -1, 1);
	- }
	-
	- if (command->batch_size) {
	- bson_append_int64(&cursor_opts, "batchSize", -1, command->batch_size);
	- }
	-
	- if (zsession && !mongoc_client_session_append(Z_SESSION_OBJ_P(zsession)->client_session, &cursor_opts, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- bson_destroy(&initial_reply);
	- bson_destroy(&cursor_opts);
	- result = false;
	- goto cleanup;
	- }
	-
	- cmd_cursor = mongoc_cursor_new_from_command_reply_with_opts(client, &initial_reply, &cursor_opts);
	- bson_destroy(&cursor_opts);
	- } else {
	- bson_t cursor_opts = BSON_INITIALIZER;
	- bson_t* wrapped_reply = create_wrapped_command_envelope(db, &reply);
	-
	- bson_append_int32(&cursor_opts, "serverId", -1, server_id);
	- cmd_cursor = mongoc_cursor_new_from_command_reply_with_opts(client, wrapped_reply, &cursor_opts);
	- bson_destroy(&cursor_opts);
	- }
	-
	- phongo_cursor_init_for_command(return_value, manager, cmd_cursor, db, zcommand, zreadPreference, zsession);
	-
	-cleanup:
	- bson_destroy(&opts);
	-
	- if (free_reply) {
	- bson_destroy(&reply);
	- }
	-
	- if (free_zsession) {
	- zval_ptr_dtor(zsession);
	- efree(zsession);
	- }
	-
	- return result;
	-} /* }}} */
	-/* }}} */
	-
	-/* {{{ mongoc types from from_zval */
	-const mongoc_write_concern_t* phongo_write_concern_from_zval(zval* zwrite_concern) /* {{{ */
	-{
	- if (zwrite_concern) {
	- php_phongo_writeconcern_t* intern = Z_WRITECONCERN_OBJ_P(zwrite_concern);
	-
	- if (intern) {
	- return intern->write_concern;
	- }
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-const mongoc_read_concern_t* phongo_read_concern_from_zval(zval* zread_concern) /* {{{ */
	-{
	- if (zread_concern) {
	- php_phongo_readconcern_t* intern = Z_READCONCERN_OBJ_P(zread_concern);
	-
	- if (intern) {
	- return intern->read_concern;
	- }
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-const mongoc_read_prefs_t* phongo_read_preference_from_zval(zval* zread_preference) /* {{{ */
	-{
	- if (zread_preference) {
	- php_phongo_readpreference_t* intern = Z_READPREFERENCE_OBJ_P(zread_preference);
	-
	- if (intern) {
	- return intern->read_preference;
	- }
	- }
	-
	- return NULL;
	-} /* }}} */
	-/* }}} */
	-
	-/* {{{ phongo zval from mongoc types */
	-php_phongo_server_description_type_t php_phongo_server_description_type(mongoc_server_description_t* sd)
	-{
	- const char* name = mongoc_server_description_type(sd);
	- int i;
	-
	- for (i = 0; i < PHONGO_SERVER_DESCRIPTION_TYPES; i++) {
	- if (!strcmp(name, php_phongo_server_description_type_map[i].name)) {
	- return php_phongo_server_description_type_map[i].type;
	- }
	- }
	-
	- return PHONGO_SERVER_UNKNOWN;
	-}
	-
	-bool php_phongo_server_to_zval(zval* retval, mongoc_client_t* client, mongoc_server_description_t* sd) /* {{{ */
	-{
	- mongoc_host_list_t* host = mongoc_server_description_host(sd);
	- const bson_t* hello_response = mongoc_server_description_hello_response(sd);
	- bson_iter_t iter;
	-
	- array_init(retval);
	-
	- ADD_ASSOC_STRING(retval, "host", host->host);
	- ADD_ASSOC_LONG_EX(retval, "port", host->port);
	- ADD_ASSOC_LONG_EX(retval, "type", php_phongo_server_description_type(sd));
	- ADD_ASSOC_BOOL_EX(retval, "is_primary", !strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_PRIMARY].name));
	- ADD_ASSOC_BOOL_EX(retval, "is_secondary", !strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_SECONDARY].name));
	- ADD_ASSOC_BOOL_EX(retval, "is_arbiter", !strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_ARBITER].name));
	- ADD_ASSOC_BOOL_EX(retval, "is_hidden", bson_iter_init_find_case(&iter, hello_response, "hidden") && bson_iter_as_bool(&iter));
	- ADD_ASSOC_BOOL_EX(retval, "is_passive", bson_iter_init_find_case(&iter, hello_response, "passive") && bson_iter_as_bool(&iter));
	-
	- if (bson_iter_init_find(&iter, hello_response, "tags") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- const uint8_t* bytes;
	- uint32_t len;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	- bson_iter_document(&iter, &len, &bytes);
	- if (!php_phongo_bson_to_zval_ex(bytes, len, &state)) {
	- /* Exception already thrown */
	- zval_ptr_dtor(&state.zchild);
	- return false;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(retval, "tags", &state.zchild);
	- }
	-
	- /* If the server description is a load balancer, its hello_response will be
	- * empty. Instead, report the hello_response from the handshake description
	- * (i.e. backing server). */
	- if (!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_LOAD_BALANCER].name)) {
	- const bson_t* handshake_response;
	- mongoc_server_description_t* handshake_sd;
	- bson_error_t error = { 0 };
	- php_phongo_bson_state state;
	-
	- if (!(handshake_sd = mongoc_client_get_handshake_description(client, mongoc_server_description_id(sd), NULL, &error))) {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get handshake server description: %s", error.message);
	- return false;
	- }
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	- handshake_response = mongoc_server_description_hello_response(handshake_sd);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(handshake_response), handshake_response->len, &state)) {
	- /* Exception already thrown */
	- mongoc_server_description_destroy(handshake_sd);
	- zval_ptr_dtor(&state.zchild);
	- return false;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(retval, "last_hello_response", &state.zchild);
	- mongoc_server_description_destroy(handshake_sd);
	- } else {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(hello_response), hello_response->len, &state)) {
	- /* Exception already thrown */
	- zval_ptr_dtor(&state.zchild);
	- return false;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(retval, "last_hello_response", &state.zchild);
	- }
	-
	- /* TODO: Use MONGOC_RTT_UNSET once it is added to libmongoc's public API (CDRIVER-4176) */
	- if (mongoc_server_description_round_trip_time(sd) == -1) {
	- ADD_ASSOC_NULL_EX(retval, "round_trip_time");
	- } else {
	- ADD_ASSOC_LONG_EX(retval, "round_trip_time", (zend_long) mongoc_server_description_round_trip_time(sd));
	- }
	-
	- return true;
	-} /* }}} */
	-
	-void php_phongo_read_concern_to_zval(zval* retval, const mongoc_read_concern_t* read_concern) /* {{{ */
	-{
	- const char* level = mongoc_read_concern_get_level(read_concern);
	-
	- array_init_size(retval, 1);
	-
	- if (level) {
	- ADD_ASSOC_STRING(retval, "level", level);
	- }
	-} /* }}} */
	-
	-/* If options is not an array, insert it as a field in a newly allocated array.
	- * This may be used to convert legacy options (e.g. ReadPreference option for
	- * an executeQuery method) into an options array.
	- *
	- * A pointer to the array zval will always be returned. If allocated is set to
	- * true, php_phongo_prep_legacy_option_free() should be used to free the array
	- * zval later. */
	-zval* php_phongo_prep_legacy_option(zval* options, const char* key, bool* allocated) /* {{{ */
	-{
	- *allocated = false;
	-
	- if (options && Z_TYPE_P(options) != IS_ARRAY) {
	- zval* new_options = ecalloc(1, sizeof(zval));
	-
	- array_init_size(new_options, 1);
	- add_assoc_zval(new_options, key, options);
	- Z_ADDREF_P(options);
	- *allocated = true;
	-
	- return new_options;
	- }
	-
	- return options;
	-} /* }}} */
	-
	-void php_phongo_prep_legacy_option_free(zval* options) /* {{{ */
	-{
	- zval_ptr_dtor(options);
	- efree(options);
	-} /* }}} */
	-
	-/* Prepare tagSets for BSON encoding by converting each array in the set to an
	- * object. This ensures that empty arrays will serialize as empty documents.
	- *
	- * php_phongo_read_preference_tags_are_valid() handles actual validation of the
	- * tag set structure. */
	-void php_phongo_read_preference_prep_tagsets(zval* tagSets) /* {{{ */
	-{
	- HashTable* ht_data;
	- zval* tagSet;
	-
	- if (Z_TYPE_P(tagSets) != IS_ARRAY) {
	- return;
	- }
	-
	- ht_data = HASH_OF(tagSets);
	-
	- ZEND_HASH_FOREACH_VAL_IND(ht_data, tagSet)
	- {
	- ZVAL_DEREF(tagSet);
	- if (Z_TYPE_P(tagSet) == IS_ARRAY) {
	- SEPARATE_ZVAL_NOREF(tagSet);
	- convert_to_object(tagSet);
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	-} /* }}} */
	-
	-/* Checks if tags is valid to set on a mongoc_read_prefs_t. It may be null or an
	- * array of one or more documents. */
	-bool php_phongo_read_preference_tags_are_valid(const bson_t* tags) /* {{{ */
	-{
	- bson_iter_t iter;
	-
	- if (bson_empty0(tags)) {
	- return true;
	- }
	-
	- if (!bson_iter_init(&iter, tags)) {
	- return false;
	- }
	-
	- while (bson_iter_next(&iter)) {
	- if (!BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- return false;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-void php_phongo_write_concern_to_zval(zval* retval, const mongoc_write_concern_t* write_concern) /* {{{ */
	-{
	- const char* wtag = mongoc_write_concern_get_wtag(write_concern);
	- const int32_t w = mongoc_write_concern_get_w(write_concern);
	- const int64_t wtimeout = mongoc_write_concern_get_wtimeout_int64(write_concern);
	-
	- array_init_size(retval, 4);
	-
	- if (wtag) {
	- ADD_ASSOC_STRING(retval, "w", wtag);
	- } else if (mongoc_write_concern_get_wmajority(write_concern)) {
	- ADD_ASSOC_STRING(retval, "w", PHONGO_WRITE_CONCERN_W_MAJORITY);
	- } else if (w != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	- ADD_ASSOC_LONG_EX(retval, "w", w);
	- }
	-
	- if (mongoc_write_concern_journal_is_set(write_concern)) {
	- ADD_ASSOC_BOOL_EX(retval, "j", mongoc_write_concern_get_journal(write_concern));
	- }
	-
	- if (wtimeout != 0) {
	-#if SIZEOF_ZEND_LONG == 4
	- if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	- ADD_ASSOC_INT64_AS_STRING(retval, "wtimeout", wtimeout);
	- } else {
	- ADD_ASSOC_LONG_EX(retval, "wtimeout", wtimeout);
	- }
	-#else
	- ADD_ASSOC_LONG_EX(retval, "wtimeout", wtimeout);
	-#endif
	- }
	-} /* }}} */
	-/* }}} */
	-
	-static mongoc_uri_t* php_phongo_make_uri(const char* uri_string) /* {{{ */
	-{
	- mongoc_uri_t* uri;
	- bson_error_t error = { 0 };
	-
	- uri = mongoc_uri_new_with_error(uri_string, &error);
	- MONGOC_DEBUG("Connection string: '%s'", uri_string);
	-
	- if (!uri) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse MongoDB URI: '%s'. %s.", uri_string, error.message);
	- return NULL;
	- }
	-
	- return uri;
	-} /* }}} */
	-
	-static const char* php_phongo_bson_type_to_string(bson_type_t type) /* {{{ */
	-{
	- switch (type) {
	- case BSON_TYPE_EOD:
	- return "EOD";
	- case BSON_TYPE_DOUBLE:
	- return "double";
	- case BSON_TYPE_UTF8:
	- return "string";
	- case BSON_TYPE_DOCUMENT:
	- return "document";
	- case BSON_TYPE_ARRAY:
	- return "array";
	- case BSON_TYPE_BINARY:
	- return "Binary";
	- case BSON_TYPE_UNDEFINED:
	- return "undefined";
	- case BSON_TYPE_OID:
	- return "ObjectId";
	- case BSON_TYPE_BOOL:
	- return "boolean";
	- case BSON_TYPE_DATE_TIME:
	- return "UTCDateTime";
	- case BSON_TYPE_NULL:
	- return "null";
	- case BSON_TYPE_REGEX:
	- return "Regex";
	- case BSON_TYPE_DBPOINTER:
	- return "DBPointer";
	- case BSON_TYPE_CODE:
	- return "Javascript";
	- case BSON_TYPE_SYMBOL:
	- return "symbol";
	- case BSON_TYPE_CODEWSCOPE:
	- return "Javascript with scope";
	- case BSON_TYPE_INT32:
	- return "32-bit integer";
	- case BSON_TYPE_TIMESTAMP:
	- return "Timestamp";
	- case BSON_TYPE_INT64:
	- return "64-bit integer";
	- case BSON_TYPE_DECIMAL128:
	- return "Decimal128";
	- case BSON_TYPE_MAXKEY:
	- return "MaxKey";
	- case BSON_TYPE_MINKEY:
	- return "MinKey";
	- default:
	- return "unknown";
	- }
	-} /* }}} */
	-
	-#define PHONGO_URI_INVALID_TYPE(iter, expected) \
	- phongo_throw_exception( \
	- PHONGO_ERROR_INVALID_ARGUMENT, \
	- "Expected %s for \"%s\" URI option, %s given", \
	- (expected), \
	- bson_iter_key(&(iter)), \
	- php_phongo_bson_type_to_string(bson_iter_type(&(iter))))
	-
	-static bool php_phongo_uri_finalize_auth(mongoc_uri_t* uri) /* {{{ */
	-{
	- const bson_t* credentials = mongoc_uri_get_credentials(uri);
	- bson_iter_t iter;
	- const char* source = NULL;
	- const char* username = mongoc_uri_get_username(uri);
	- bool require_auth = username != NULL;
	-
	- if (bson_iter_init_find_case(&iter, credentials, MONGOC_URI_AUTHSOURCE)) {
	- source = bson_iter_utf8(&iter, NULL);
	- require_auth = true;
	- }
	-
	- /* authSource with GSSAPI or X509 should always be external */
	- if (mongoc_uri_get_auth_mechanism(uri)) {
	- if (!strcasecmp(mongoc_uri_get_auth_mechanism(uri), "GSSAPI") \|\|
	- !strcasecmp(mongoc_uri_get_auth_mechanism(uri), "MONGODB-X509")) {
	-
	- if (source) {
	- if (strcasecmp(source, "$external")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: GSSAPI and X509 require \"$external\" authSource.");
	- return false;
	- }
	- } else {
	- mongoc_uri_set_auth_source(uri, "$external");
	- }
	- }
	-
	- /* Mechanisms other than MONGODB-X509 and MONGODB-AWS require a username */
	- if (strcasecmp(mongoc_uri_get_auth_mechanism(uri), "MONGODB-X509") &&
	- strcasecmp(mongoc_uri_get_auth_mechanism(uri), "MONGODB-AWS")) {
	- if (!mongoc_uri_get_username(uri) \|\|
	- !strcmp(mongoc_uri_get_username(uri), "")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: '%s' authentication mechanism requires username.", mongoc_uri_get_auth_mechanism(uri));
	- return false;
	- }
	- }
	-
	- /* MONGODB-X509 errors if a password is supplied. */
	- if (!strcasecmp(mongoc_uri_get_auth_mechanism(uri), "MONGODB-X509")) {
	- if (mongoc_uri_get_password(uri)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: X509 authentication mechanism does not accept a password.");
	- return false;
	- }
	- }
	- } else if (require_auth) {
	- if (source && strcmp(source, "$external") != 0 && (!username \|\| strcmp(username, "") == 0)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: Default authentication mechanism requires username.");
	- return false;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_uri_finalize_directconnection(mongoc_uri_t* uri) /* {{{ */
	-{
	- const mongoc_host_list_t* hosts;
	-
	- if (!mongoc_uri_get_option_as_bool(uri, MONGOC_URI_DIRECTCONNECTION, false)) {
	- return true;
	- }
	-
	- /* Per the URI options spec, directConnection conflicts with multiple hosts
	- * and SRV URIs, which may resolve to multiple hosts. */
	- if (!strncmp(mongoc_uri_get_string(uri), "mongodb+srv://", 14)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: SRV URI not allowed with directConnection option.");
	- return false;
	- }
	-
	- hosts = mongoc_uri_get_hosts(uri);
	-
	- if (hosts && hosts->next) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: Multiple seeds not allowed with directConnection option.");
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_uri_finalize_tls(mongoc_uri_t* uri) /* {{{ */
	-{
	- const bson_t* options;
	- bson_iter_t iter;
	-
	- if (!(options = mongoc_uri_get_options(uri))) {
	- return true;
	- }
	-
	- if (bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSINSECURE) &&
	- (bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	- bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	- bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	- bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK))) {
	- phongo_throw_exception(
	- PHONGO_ERROR_INVALID_ARGUMENT,
	- "Failed to parse URI options: %s may not be combined with %s, %s, %s, or %s.",
	- MONGOC_URI_TLSINSECURE,
	- MONGOC_URI_TLSALLOWINVALIDCERTIFICATES,
	- MONGOC_URI_TLSALLOWINVALIDHOSTNAMES,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK);
	- return false;
	- }
	-
	- if (bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) &&
	- (bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	- bson_iter_init_find_case(&iter, options, MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK))) {
	- phongo_throw_exception(
	- PHONGO_ERROR_INVALID_ARGUMENT,
	- "Failed to parse URI options: %s may not be combined with %s or %s.",
	- MONGOC_URI_TLSALLOWINVALIDCERTIFICATES,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK);
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_apply_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	-{
	- bson_iter_t iter;
	-
	- /* Return early if there are no options to apply */
	- if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	- return true;
	- }
	-
	- while (bson_iter_next(&iter)) {
	- const char* key = bson_iter_key(&iter);
	-
	- /* Skip read preference, read concern, and write concern options, as
	- * those will be processed by other functions. */
	- if (!strcasecmp(key, MONGOC_URI_JOURNAL) \|\|
	- !strcasecmp(key, MONGOC_URI_MAXSTALENESSSECONDS) \|\|
	- !strcasecmp(key, MONGOC_URI_READCONCERNLEVEL) \|\|
	- !strcasecmp(key, MONGOC_URI_READPREFERENCE) \|\|
	- !strcasecmp(key, MONGOC_URI_READPREFERENCETAGS) \|\|
	- !strcasecmp(key, MONGOC_URI_SAFE) \|\|
	- !strcasecmp(key, MONGOC_URI_W) \|\|
	- !strcasecmp(key, MONGOC_URI_WTIMEOUTMS)) {
	-
	- continue;
	- }
	-
	- if (mongoc_uri_option_is_bool(key)) {
	- /* The option's type is not validated because bson_iter_as_bool() is
	- * used to cast the value to a boolean. Validation may be introduced
	- * in PHPC-990. */
	- if (!mongoc_uri_set_option_as_bool(uri, key, bson_iter_as_bool(&iter))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (mongoc_uri_option_is_int32(key)) {
	- if (!BSON_ITER_HOLDS_INT32(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "32-bit integer");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_option_as_int32(uri, key, bson_iter_int32(&iter))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (mongoc_uri_option_is_utf8(key)) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_REPLICASET) && !strcmp("", bson_iter_utf8(&iter, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Value for URI option \"%s\" cannot be empty string.", key);
	- return false;
	- }
	-
	- if (!mongoc_uri_set_option_as_utf8(uri, key, bson_iter_utf8(&iter, NULL))) {
	- /* Assignment uses mongoc_uri_set_appname() for the "appname"
	- * option, which validates length in addition to UTF-8 encoding.
	- * For BC, we report the invalid string to the user. */
	- if (!strcasecmp(key, MONGOC_URI_APPNAME)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid appname value: '%s'", bson_iter_utf8(&iter, NULL));
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- }
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, "username")) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_username(uri, bson_iter_utf8(&iter, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, "password")) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_password(uri, bson_iter_utf8(&iter, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_AUTHMECHANISM)) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_auth_mechanism(uri, bson_iter_utf8(&iter, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_AUTHSOURCE)) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_auth_source(uri, bson_iter_utf8(&iter, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	- bson_t properties;
	- uint32_t len;
	- const uint8_t* data;
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "array or object");
	- return false;
	- }
	-
	- bson_iter_document(&iter, &len, &data);
	-
	- if (!bson_init_static(&properties, data, len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Could not initialize BSON structure for auth mechanism properties");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_mechanism_properties(uri, &properties)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_GSSAPISERVICENAME)) {
	- bson_t unused, properties = BSON_INITIALIZER;
	-
	- if (mongoc_uri_get_mechanism_properties(uri, &unused)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "authMechanismProperties SERVICE_NAME already set, ignoring \"%s\"", key);
	- return false;
	- }
	-
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- bson_append_utf8(&properties, "SERVICE_NAME", -1, bson_iter_utf8(&iter, NULL), -1);
	-
	- if (!mongoc_uri_set_mechanism_properties(uri, &properties)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- bson_destroy(&properties);
	- return false;
	- }
	-
	- bson_destroy(&properties);
	-
	- continue;
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_COMPRESSORS)) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- return false;
	- }
	-
	- if (!mongoc_uri_set_compressors(uri, bson_iter_utf8(&iter, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	- return false;
	- }
	-
	- continue;
	- }
	- }
	-
	- /* Validate any interactions between URI options */
	- if (!php_phongo_uri_finalize_auth(uri)) {
	- /* Exception should already have been thrown */
	- return false;
	- }
	-
	- if (!php_phongo_uri_finalize_directconnection(uri)) {
	- /* Exception should already have been thrown */
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_apply_rc_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	-{
	- bson_iter_t iter;
	- mongoc_read_concern_t* new_rc;
	- const mongoc_read_concern_t* old_rc;
	-
	- if (!(old_rc = mongoc_uri_get_read_concern(uri))) {
	- phongo_throw_exception(PHONGO_ERROR_MONGOC_FAILED, "mongoc_uri_t does not have a read concern");
	-
	- return false;
	- }
	-
	- /* Return early if there are no options to apply */
	- if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	- return true;
	- }
	-
	- new_rc = mongoc_read_concern_copy(old_rc);
	-
	- while (bson_iter_next(&iter)) {
	- const char* key = bson_iter_key(&iter);
	-
	- if (!strcasecmp(key, MONGOC_URI_READCONCERNLEVEL)) {
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- mongoc_read_concern_destroy(new_rc);
	-
	- return false;
	- }
	-
	- mongoc_read_concern_set_level(new_rc, bson_iter_utf8(&iter, NULL));
	- }
	- }
	-
	- mongoc_uri_set_read_concern(uri, new_rc);
	- mongoc_read_concern_destroy(new_rc);
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_apply_rp_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	-{
	- bson_iter_t iter;
	- mongoc_read_prefs_t* new_rp;
	- const mongoc_read_prefs_t* old_rp;
	-
	- if (!(old_rp = mongoc_uri_get_read_prefs_t(uri))) {
	- phongo_throw_exception(PHONGO_ERROR_MONGOC_FAILED, "mongoc_uri_t does not have a read preference");
	-
	- return false;
	- }
	-
	- /* Return early if there are no options to apply */
	- if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	- return true;
	- }
	-
	- new_rp = mongoc_read_prefs_copy(old_rp);
	-
	- while (bson_iter_next(&iter)) {
	- const char* key = bson_iter_key(&iter);
	-
	- if (!strcasecmp(key, MONGOC_URI_READPREFERENCE)) {
	- const char* str;
	-
	- if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "string");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- str = bson_iter_utf8(&iter, NULL);
	-
	- if (0 == strcasecmp("primary", str)) {
	- mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_PRIMARY);
	- } else if (0 == strcasecmp("primarypreferred", str)) {
	- mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_PRIMARY_PREFERRED);
	- } else if (0 == strcasecmp("secondary", str)) {
	- mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_SECONDARY);
	- } else if (0 == strcasecmp("secondarypreferred", str)) {
	- mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_SECONDARY_PREFERRED);
	- } else if (0 == strcasecmp("nearest", str)) {
	- mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_NEAREST);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Unsupported %s value: '%s'", bson_iter_key(&iter), str);
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_READPREFERENCETAGS)) {
	- bson_t tags;
	- uint32_t len;
	- const uint8_t* data;
	-
	- if (!BSON_ITER_HOLDS_ARRAY(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "array");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- bson_iter_array(&iter, &len, &data);
	-
	- if (!bson_init_static(&tags, data, len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Could not initialize BSON structure for read preference tags");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- if (!php_phongo_read_preference_tags_are_valid(&tags)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference tags must be an array of zero or more documents");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- mongoc_read_prefs_set_tags(new_rp, &tags);
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_MAXSTALENESSSECONDS)) {
	- int64_t max_staleness_seconds;
	-
	- if (!BSON_ITER_HOLDS_INT(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "integer");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- max_staleness_seconds = bson_iter_as_int64(&iter);
	-
	- if (max_staleness_seconds != MONGOC_NO_MAX_STALENESS) {
	-
	- if (max_staleness_seconds < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be >= %d, %" PRId64 " given", MONGOC_SMALLEST_MAX_STALENESS_SECONDS, max_staleness_seconds);
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- if (max_staleness_seconds > INT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be <= %d, %" PRId64 " given", INT32_MAX, max_staleness_seconds);
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- if (mongoc_read_prefs_get_mode(new_rp) == MONGOC_READ_PRIMARY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Primary read preference mode conflicts with maxStalenessSeconds");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	- }
	-
	- mongoc_read_prefs_set_max_staleness_seconds(new_rp, max_staleness_seconds);
	- }
	- }
	-
	- if (mongoc_read_prefs_get_mode(new_rp) == MONGOC_READ_PRIMARY &&
	- !bson_empty(mongoc_read_prefs_get_tags(new_rp))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Primary read preference mode conflicts with tags");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- /* Make sure maxStalenessSeconds is not combined with primary readPreference */
	- if (mongoc_read_prefs_get_mode(new_rp) == MONGOC_READ_PRIMARY &&
	- mongoc_read_prefs_get_max_staleness_seconds(new_rp) != MONGOC_NO_MAX_STALENESS) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Primary read preference mode conflicts with maxStalenessSeconds");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- /* This may be redundant in light of the previous checks (primary with tags
	- * or maxStalenessSeconds), but we'll check anyway in case additional
	- * validation is implemented. */
	- if (!mongoc_read_prefs_is_valid(new_rp)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference is not valid");
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return false;
	- }
	-
	- mongoc_uri_set_read_prefs_t(uri, new_rp);
	- mongoc_read_prefs_destroy(new_rp);
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_apply_wc_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	-{
	- bson_iter_t iter;
	- mongoc_write_concern_t* new_wc;
	- const mongoc_write_concern_t* old_wc;
	- bool ignore_safe = false;
	-
	- if (!(old_wc = mongoc_uri_get_write_concern(uri))) {
	- phongo_throw_exception(PHONGO_ERROR_MONGOC_FAILED, "mongoc_uri_t does not have a write concern");
	-
	- return false;
	- }
	-
	- /* Return early if there are no options to apply */
	- if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	- return true;
	- }
	-
	- new_wc = mongoc_write_concern_copy(old_wc);
	-
	- while (bson_iter_next(&iter)) {
	- const char* key = bson_iter_key(&iter);
	-
	- if (!ignore_safe && !strcasecmp(key, MONGOC_URI_SAFE)) {
	- if (!BSON_ITER_HOLDS_BOOL(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "boolean");
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	-
	- mongoc_write_concern_set_w(new_wc, bson_iter_bool(&iter) ? 1 : MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED);
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_WTIMEOUTMS)) {
	- int64_t wtimeout;
	-
	- if (!BSON_ITER_HOLDS_INT(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "integer");
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	-
	- wtimeout = bson_iter_as_int64(&iter);
	-
	- if (wtimeout < 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected wtimeoutMS to be >= 0, %" PRId64 " given", wtimeout);
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	-
	- mongoc_write_concern_set_wtimeout_int64(new_wc, wtimeout);
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_JOURNAL)) {
	- if (!BSON_ITER_HOLDS_BOOL(&iter)) {
	- PHONGO_URI_INVALID_TYPE(iter, "boolean");
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	-
	- mongoc_write_concern_set_journal(new_wc, bson_iter_bool(&iter));
	- }
	-
	- if (!strcasecmp(key, MONGOC_URI_W)) {
	- if (BSON_ITER_HOLDS_INT32(&iter)) {
	- int32_t value = bson_iter_int32(&iter);
	-
	- switch (value) {
	- case MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED:
	- case MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED:
	- mongoc_write_concern_set_w(new_wc, value);
	- break;
	-
	- default:
	- if (value > 0) {
	- mongoc_write_concern_set_w(new_wc, value);
	- break;
	- }
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Unsupported w value: %d", value);
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	- } else if (BSON_ITER_HOLDS_UTF8(&iter)) {
	- const char* str = bson_iter_utf8(&iter, NULL);
	-
	- if (0 == strcasecmp(PHONGO_WRITE_CONCERN_W_MAJORITY, str)) {
	- mongoc_write_concern_set_w(new_wc, MONGOC_WRITE_CONCERN_W_MAJORITY);
	- } else {
	- mongoc_write_concern_set_wtag(new_wc, str);
	- }
	- } else {
	- PHONGO_URI_INVALID_TYPE(iter, "32-bit integer or string");
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	-
	- ignore_safe = true;
	- }
	- }
	-
	- if (mongoc_write_concern_get_journal(new_wc)) {
	- int32_t w = mongoc_write_concern_get_w(new_wc);
	-
	- if (w == MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED \|\| w == MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Journal conflicts with w value: %d", w);
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	- }
	-
	- /* This may be redundant in light of the last check (unacknowledged w with
	- journal), but we'll check anyway in case additional validation is
	- implemented. */
	- if (!mongoc_write_concern_is_valid(new_wc)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Write concern is not valid");
	- mongoc_write_concern_destroy(new_wc);
	-
	- return false;
	- }
	-
	- mongoc_uri_set_write_concern(uri, new_wc);
	- mongoc_write_concern_destroy(new_wc);
	-
	- return true;
	-} /* }}} */
	-
	-#ifdef MONGOC_ENABLE_SSL
	-
	-static void php_phongo_mongoc_ssl_opts_from_uri(mongoc_ssl_opt_t* ssl_opt, mongoc_uri_t* uri, bool* any_ssl_option_set)
	-{
	- bool insecure = mongoc_uri_get_option_as_bool(uri, MONGOC_URI_TLSINSECURE, false);
	- const char* pem_file = mongoc_uri_get_option_as_utf8(uri, MONGOC_URI_TLSCERTIFICATEKEYFILE, NULL);
	- const char* pem_pwd = mongoc_uri_get_option_as_utf8(uri, MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD, NULL);
	- const char* ca_file = mongoc_uri_get_option_as_utf8(uri, MONGOC_URI_TLSCAFILE, NULL);
	-
	- ssl_opt->pem_file = pem_file ? estrdup(pem_file) : NULL;
	- ssl_opt->pem_pwd = pem_pwd ? estrdup(pem_pwd) : NULL;
	- ssl_opt->ca_file = ca_file ? estrdup(ca_file) : NULL;
	- ssl_opt->weak_cert_validation = mongoc_uri_get_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES, insecure);
	- ssl_opt->allow_invalid_hostname = mongoc_uri_get_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES, insecure);
	-
	- /* Boolean options default to false, so we cannot consider them for
	- * any_ssl_option_set. This isn't actually a problem as libmongoc will
	- * already have assigned them when creating the client, enabling SSL, and
	- * assigning SSL options. Therefore, we only need to check for non-defaults
	- * (i.e. non-NULL strings, true booleans). */
	- if (pem_file \|\| pem_pwd \|\| ca_file \|\| ssl_opt->weak_cert_validation \|\| ssl_opt->allow_invalid_hostname) {
	- *any_ssl_option_set = true;
	- }
	-}
	-
	-static inline char* php_phongo_fetch_ssl_opt_string(zval* zoptions, const char* key)
	-{
	- int plen;
	- zend_bool pfree;
	- char* pval;
	- char* value;
	-
	- pval = php_array_fetch_string(zoptions, key, &plen, &pfree);
	- value = pfree ? pval : estrndup(pval, plen);
	-
	- return value;
	-}
	-
	-static mongoc_ssl_opt_t* php_phongo_make_ssl_opt(mongoc_uri_t* uri, zval* zoptions)
	-{
	- mongoc_ssl_opt_t* ssl_opt;
	- bool any_ssl_option_set = false;
	-
	- if (!zoptions) {
	- return NULL;
	- }
	-
	-#if defined(MONGOC_ENABLE_SSL_SECURE_CHANNEL) \|\| defined(MONGOC_ENABLE_SSL_SECURE_TRANSPORT)
	- if (php_array_existsc(zoptions, "ca_dir")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"ca_dir\" option is not supported by Secure Channel and Secure Transport");
	- return NULL;
	- }
	-
	- if (php_array_existsc(zoptions, "capath")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"capath\" option is not supported by Secure Channel and Secure Transport");
	- return NULL;
	- }
	-#endif
	-
	-#if defined(MONGOC_ENABLE_SSL_LIBRESSL) \|\| defined(MONGOC_ENABLE_SSL_SECURE_TRANSPORT)
	- if (php_array_existsc(zoptions, "crl_file")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"crl_file\" option is not supported by LibreSSL and Secure Transport");
	- return NULL;
	- }
	-#endif
	-
	- ssl_opt = ecalloc(1, sizeof(mongoc_ssl_opt_t));
	-
	- /* If SSL options are set in the URL, we need to read them and set them on
	- * the options struct so we can merge potential options from passed in
	- * driverOptions (zoptions) */
	- if (mongoc_uri_get_tls(uri)) {
	- php_phongo_mongoc_ssl_opts_from_uri(ssl_opt, uri, &any_ssl_option_set);
	- }
	-
	-#define PHONGO_SSL_OPTION_SWAP_STRING(o, n) \
	- if ((o)) { \
	- efree((char*) (o)); \
	- } \
	- (o) = php_phongo_fetch_ssl_opt_string(zoptions, n);
	-
	- /* Apply driver options that don't have a corresponding URI option. These
	- * are set directly on the SSL options struct. */
	- if (php_array_existsc(zoptions, "ca_dir")) {
	- PHONGO_SSL_OPTION_SWAP_STRING(ssl_opt->ca_dir, "ca_dir");
	- any_ssl_option_set = true;
	- } else if (php_array_existsc(zoptions, "capath")) {
	- PHONGO_SSL_OPTION_SWAP_STRING(ssl_opt->ca_dir, "capath");
	- any_ssl_option_set = true;
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"capath\" context driver option is deprecated. Please use the \"ca_dir\" driver option instead.");
	- }
	-
	- if (php_array_existsc(zoptions, "crl_file")) {
	- PHONGO_SSL_OPTION_SWAP_STRING(ssl_opt->crl_file, "crl_file");
	- any_ssl_option_set = true;
	- }
	-
	-#undef PHONGO_SSL_OPTION_SWAP_STRING
	-
	- if (!any_ssl_option_set) {
	- efree(ssl_opt);
	- return NULL;
	- }
	-
	- return ssl_opt;
	-}
	-
	-static void php_phongo_free_ssl_opt(mongoc_ssl_opt_t* ssl_opt)
	-{
	- if (ssl_opt->pem_file) {
	- efree((char*) ssl_opt->pem_file);
	- }
	-
	- if (ssl_opt->pem_pwd) {
	- efree((char*) ssl_opt->pem_pwd);
	- }
	-
	- if (ssl_opt->ca_file) {
	- efree((char*) ssl_opt->ca_file);
	- }
	-
	- if (ssl_opt->ca_dir) {
	- efree((char*) ssl_opt->ca_dir);
	- }
	-
	- if (ssl_opt->crl_file) {
	- efree((char*) ssl_opt->crl_file);
	- }
	-
	- efree(ssl_opt);
	-}
	-
	-static inline bool php_phongo_apply_driver_option_to_uri(mongoc_uri_t* uri, zval* zoptions, const char* driverOptionKey, const char* optionKey)
	-{
	- bool ret;
	- char* value;
	-
	- value = php_phongo_fetch_ssl_opt_string(zoptions, driverOptionKey);
	- ret = mongoc_uri_set_option_as_utf8(uri, optionKey, value);
	- efree(value);
	-
	- return ret;
	-}
	-
	-static bool php_phongo_apply_driver_options_to_uri(mongoc_uri_t* uri, zval* zoptions)
	-{
	- if (!zoptions) {
	- return true;
	- }
	-
	- /* Map TLS driver options to the canonical tls options in the URI. */
	- if (php_array_existsc(zoptions, "allow_invalid_hostname")) {
	- if (!mongoc_uri_set_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES, php_array_fetchc_bool(zoptions, "allow_invalid_hostname"))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "allow_invalid_hostname");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"allow_invalid_hostname\" driver option is deprecated. Please use the \"tlsAllowInvalidHostnames\" URI option instead.");
	- }
	-
	- if (php_array_existsc(zoptions, "weak_cert_validation")) {
	- if (!mongoc_uri_set_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES, php_array_fetchc_bool(zoptions, "weak_cert_validation"))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "weak_cert_validation");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"weak_cert_validation\" driver option is deprecated. Please use the \"tlsAllowInvalidCertificates\" URI option instead.");
	- } else if (php_array_existsc(zoptions, "allow_self_signed")) {
	- if (!mongoc_uri_set_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES, php_array_fetchc_bool(zoptions, "allow_self_signed"))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "allow_self_signed");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"allow_self_signed\" context driver option is deprecated. Please use the \"tlsAllowInvalidCertificates\" URI option instead.");
	- }
	-
	- if (php_array_existsc(zoptions, "pem_file")) {
	- if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "pem_file", MONGOC_URI_TLSCERTIFICATEKEYFILE)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "pem_file");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"pem_file\" driver option is deprecated. Please use the \"tlsCertificateKeyFile\" URI option instead.");
	- } else if (php_array_existsc(zoptions, "local_cert")) {
	- if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "local_cert", MONGOC_URI_TLSCERTIFICATEKEYFILE)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "local_cert");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"local_cert\" context driver option is deprecated. Please use the \"tlsCertificateKeyFile\" URI option instead.");
	- }
	-
	- if (php_array_existsc(zoptions, "pem_pwd")) {
	- if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "pem_pwd", MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "pem_pwd");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"pem_pwd\" driver option is deprecated. Please use the \"tlsCertificateKeyFilePassword\" URI option instead.");
	- } else if (php_array_existsc(zoptions, "passphrase")) {
	- if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "passphrase", MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "passphrase");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"passphrase\" context driver option is deprecated. Please use the \"tlsCertificateKeyFilePassword\" URI option instead.");
	- }
	-
	- if (php_array_existsc(zoptions, "ca_file")) {
	- if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "ca_file", MONGOC_URI_TLSCAFILE)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "ca_file");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"ca_file\" driver option is deprecated. Please use the \"tlsCAFile\" URI option instead.");
	- } else if (php_array_existsc(zoptions, "cafile")) {
	- if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "cafile", MONGOC_URI_TLSCAFILE)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "cafile");
	-
	- return false;
	- }
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"cafile\" context driver option is deprecated. Please use the \"tlsCAFile\" URI option instead.");
	- }
	-
	- return true;
	-}
	-#endif
	-
	-static zval* php_phongo_manager_prepare_manager_for_hash(zval* driverOptions, bool* free)
	-{
	- php_phongo_manager_t* manager;
	- zval* autoEncryptionOpts = NULL;
	- zval* keyVaultClient = NULL;
	- zval* driverOptionsClone = NULL;
	- zval* autoEncryptionOptsClone = NULL;
	- zval stackAutoEncryptionOptsClone;
	-
	- *free = false;
	-
	- if (!driverOptions) {
	- return NULL;
	- }
	-
	- if (!php_array_existsc(driverOptions, "autoEncryption")) {
	- goto ref;
	- }
	-
	- autoEncryptionOpts = php_array_fetchc(driverOptions, "autoEncryption");
	- if (Z_TYPE_P(autoEncryptionOpts) != IS_ARRAY) {
	- goto ref;
	- }
	-
	- if (!php_array_existsc(autoEncryptionOpts, "keyVaultClient")) {
	- goto ref;
	- }
	-
	- keyVaultClient = php_array_fetchc(autoEncryptionOpts, "keyVaultClient");
	- if (Z_TYPE_P(keyVaultClient) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(keyVaultClient), php_phongo_manager_ce)) {
	- goto ref;
	- }
	-
	- *free = true;
	-
	- manager = Z_MANAGER_OBJ_P(keyVaultClient);
	-
	- driverOptionsClone = ecalloc(1, sizeof(zval));
	- autoEncryptionOptsClone = &stackAutoEncryptionOptsClone;
	-
	- ZVAL_DUP(autoEncryptionOptsClone, autoEncryptionOpts);
	- ADD_ASSOC_STRINGL(autoEncryptionOptsClone, "keyVaultClient", manager->client_hash, manager->client_hash_len);
	-
	- ZVAL_DUP(driverOptionsClone, driverOptions);
	- ADD_ASSOC_ZVAL_EX(driverOptionsClone, "autoEncryption", autoEncryptionOptsClone);
	-
	- return driverOptionsClone;
	-
	-ref:
	- Z_ADDREF_P(driverOptions);
	- return driverOptions;
	-}
	-
	-/* Creates a hash for a client by concatenating the URI string with serialized
	- * options arrays. On success, a persistent string is returned (i.e. pefree()
	- * should be used to free it) and hash_len will be set to the string's length.
	- * On error, an exception will have been thrown and NULL will be returned. */
	-static char* php_phongo_manager_make_client_hash(const char* uri_string, zval* options, zval* driverOptions, size_t* hash_len)
	-{
	- char* hash = NULL;
	- smart_str var_buf = { 0 };
	- php_serialize_data_t var_hash;
	- zval* serializable_driver_options = NULL;
	- bool free_driver_options = false;
	-
	- zval args;
	-
	- array_init_size(&args, 4);
	- ADD_ASSOC_LONG_EX(&args, "pid", getpid());
	- ADD_ASSOC_STRING(&args, "uri", uri_string);
	-
	- if (options) {
	- ADD_ASSOC_ZVAL_EX(&args, "options", options);
	- Z_ADDREF_P(options);
	- } else {
	- ADD_ASSOC_NULL_EX(&args, "options");
	- }
	-
	- if (driverOptions) {
	- serializable_driver_options = php_phongo_manager_prepare_manager_for_hash(driverOptions, &free_driver_options);
	- ADD_ASSOC_ZVAL_EX(&args, "driverOptions", serializable_driver_options);
	- } else {
	- ADD_ASSOC_NULL_EX(&args, "driverOptions");
	- }
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&var_buf, &args, &var_hash);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- if (!EG(exception)) {
	- *hash_len = ZSTR_LEN(var_buf.s);
	- hash = estrndup(ZSTR_VAL(var_buf.s), *hash_len);
	- }
	-
	- zval_ptr_dtor(&args);
	-
	- if (free_driver_options) {
	- efree(serializable_driver_options);
	- }
	-
	- smart_str_free(&var_buf);
	-
	- return hash;
	-}
	-
	-static bool php_phongo_extract_handshake_data(zval* driver, const char* key, char** value, size_t* value_len)
	-{
	- zval* zvalue;
	-
	- if (!php_array_exists(driver, key)) {
	- *value = NULL;
	- *value_len = 0;
	-
	- return true;
	- }
	-
	- zvalue = php_array_fetch(driver, key);
	-
	- if (Z_TYPE_P(zvalue) != IS_STRING) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" handshake option to be a string, %s given", key, PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zvalue));
	- return false;
	- }
	-
	- *value = estrdup(Z_STRVAL_P(zvalue));
	- *value_len = Z_STRLEN_P(zvalue);
	-
	- return true;
	-}
	-
	-static char* php_phongo_concat_handshake_data(const char* default_value, const char* custom_value, size_t custom_value_len)
	-{
	- char* ret;
	- /* Length of the returned value needs to include a trailing space and null byte */
	- size_t ret_len = strlen(default_value) + 2;
	-
	- if (custom_value) {
	- /* Increase the length by that of the custom value as well as the separator length */
	- ret_len += custom_value_len + PHONGO_METADATA_SEPARATOR_LEN;
	- }
	-
	- ret = ecalloc(ret_len, sizeof(char));
	-
	- if (custom_value) {
	- snprintf(ret, ret_len, "%s%s%s ", default_value, PHONGO_METADATA_SEPARATOR, custom_value);
	- } else {
	- snprintf(ret, ret_len, "%s ", default_value);
	- }
	-
	- return ret;
	-}
	-
	-static void php_phongo_handshake_data_append(const char* name, size_t name_len, const char* version, size_t version_len, const char* platform, size_t platform_len)
	-{
	- char* php_version_string;
	- size_t php_version_string_len;
	- char* driver_name;
	- char* driver_version;
	- char* full_platform;
	-
	- php_version_string_len = strlen(PHP_VERSION) + PHONGO_METADATA_PHP_VERSION_PREFIX_LEN + 1;
	- php_version_string = ecalloc(php_version_string_len, sizeof(char));
	- snprintf(php_version_string, php_version_string_len, "%s%s", PHONGO_METADATA_PHP_VERSION_PREFIX, PHP_VERSION);
	-
	- driver_name = php_phongo_concat_handshake_data("ext-mongodb:PHP", name, name_len);
	- driver_version = php_phongo_concat_handshake_data(PHP_MONGODB_VERSION, version, version_len);
	- full_platform = php_phongo_concat_handshake_data(php_version_string, platform, platform_len);
	-
	- MONGOC_DEBUG(
	- "Setting driver handshake data: { name: '%s', version: '%s', platform: '%s' }",
	- driver_name,
	- driver_version,
	- full_platform);
	-
	- mongoc_handshake_data_append(driver_name, driver_version, full_platform);
	-
	- efree(php_version_string);
	- efree(driver_name);
	- efree(driver_version);
	- efree(full_platform);
	-}
	-
	-static void php_phongo_set_handshake_data(zval* driverOptions)
	-{
	- char* name = NULL;
	- size_t name_len = 0;
	- char* version = NULL;
	- size_t version_len = 0;
	- char* platform = NULL;
	- size_t platform_len = 0;
	-
	- if (driverOptions && php_array_existsc(driverOptions, "driver")) {
	- zval* driver = php_array_fetchc(driverOptions, "driver");
	-
	- if (Z_TYPE_P(driver) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"driver\" driver option to be an array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(driver));
	- return;
	- }
	-
	- if (!php_phongo_extract_handshake_data(driver, "name", &name, &name_len)) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	- if (!php_phongo_extract_handshake_data(driver, "version", &version, &version_len)) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	- if (!php_phongo_extract_handshake_data(driver, "platform", &platform, &platform_len)) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	- }
	-
	- php_phongo_handshake_data_append(name, name_len, version, version_len, platform, platform_len);
	-
	-cleanup:
	- if (name) {
	- efree(name);
	- }
	- if (version) {
	- efree(version);
	- }
	- if (platform) {
	- efree(platform);
	- }
	-}
	-
	-static mongoc_client_t* php_phongo_make_mongo_client(const mongoc_uri_t* uri, zval* driverOptions) /* {{{ */
	-{
	- const char mongoc_version, bson_version;
	-
	-#ifdef HAVE_SYSTEM_LIBMONGOC
	- mongoc_version = mongoc_get_version();
	-#else
	- mongoc_version = "bundled";
	-#endif
	-
	-#ifdef HAVE_SYSTEM_LIBBSON
	- bson_version = bson_get_version();
	-#else
	- bson_version = "bundled";
	-#endif
	-
	- MONGOC_DEBUG(
	- "Creating Manager, phongo-%s[%s] - mongoc-%s(%s), libbson-%s(%s), php-%s",
	- PHP_MONGODB_VERSION,
	- PHP_MONGODB_STABILITY,
	- MONGOC_VERSION_S,
	- mongoc_version,
	- BSON_VERSION_S,
	- bson_version,
	- PHP_VERSION);
	-
	- php_phongo_set_handshake_data(driverOptions);
	-
	- return mongoc_client_new_from_uri(uri);
	-} /* }}} */
	-
	-/* Adds a client to the appropriate registry. Persistent and request-scoped
	- * clients each have their own registries (i.e. HashTables), which use different
	- * forms of memory allocation. Both registries are used for PID tracking.
	- * Returns true if the client was successfully added; otherwise, false. */
	-bool php_phongo_client_register(php_phongo_manager_t* manager)
	-{
	- bool is_persistent = manager->use_persistent_client;
	- php_phongo_pclient_t* pclient = pecalloc(1, sizeof(php_phongo_pclient_t), is_persistent);
	-
	- pclient->client = manager->client;
	- pclient->created_by_pid = (int) getpid();
	- pclient->is_persistent = is_persistent;
	-
	- if (is_persistent) {
	- MONGOC_DEBUG("Stored persistent client with hash: %s", manager->client_hash);
	- return zend_hash_str_update_ptr(&MONGODB_G(persistent_clients), manager->client_hash, manager->client_hash_len, pclient) != NULL;
	- } else {
	- MONGOC_DEBUG("Stored non-persistent client");
	- return zend_hash_next_index_insert_ptr(MONGODB_G(request_clients), pclient) != NULL;
	- }
	-}
	-
	-/* Removes a client from the request-scoped registry. This function is a NOP for
	- * persistent clients, since they are destroyed along with their registry (i.e.
	- * HashTable) in GSHUTDOWN. Returns true if the client was successfully removed;
	- * otherwise, false. */
	-bool php_phongo_client_unregister(php_phongo_manager_t* manager)
	-{
	- zend_ulong index;
	- php_phongo_pclient_t* pclient;
	-
	- /* Persistent clients do not get unregistered. */
	- if (manager->use_persistent_client) {
	- MONGOC_DEBUG("Not destroying persistent client for Manager");
	-
	- return false;
	- }
	-
	- /* Ensure the request-scoped registry is initialized. This is needed because
	- * RSHUTDOWN may occur before a Manager's free_object handler is
	- * executed. */
	- if (MONGODB_G(request_clients) == NULL) {
	- return false;
	- }
	-
	- ZEND_HASH_FOREACH_NUM_KEY_PTR(MONGODB_G(request_clients), index, pclient)
	- {
	- if (pclient->client == manager->client) {
	- MONGOC_DEBUG("Destroying non-persistent client for Manager");
	-
	- return zend_hash_index_del(MONGODB_G(request_clients), index) == SUCCESS;
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	-
	- return false;
	-}
	-
	-static mongoc_client_t* php_phongo_find_persistent_client(const char* hash, size_t hash_len)
	-{
	- php_phongo_pclient_t* pclient = zend_hash_str_find_ptr(&MONGODB_G(persistent_clients), hash, hash_len);
	-
	- if (pclient) {
	- return pclient->client;
	- }
	-
	- return NULL;
	-}
	-
	-static bool phongo_manager_set_serverapi_opts(php_phongo_manager_t* manager, zval* driverOptions) /* {{{ */
	-{
	- zval* zServerApi;
	- php_phongo_serverapi_t* server_api;
	- bson_error_t error = { 0 };
	-
	- if (!driverOptions \|\| !php_array_existsc(driverOptions, "serverApi")) {
	- return true;
	- }
	-
	- zServerApi = php_array_fetch(driverOptions, "serverApi");
	-
	- if (Z_TYPE_P(zServerApi) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(zServerApi), php_phongo_serverapi_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"serverApi\" driver option to be %s, %s given", ZSTR_VAL(php_phongo_serverapi_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zServerApi));
	- return false;
	- }
	-
	- server_api = Z_SERVERAPI_OBJ_P(zServerApi);
	-
	- if (!mongoc_client_set_server_api(manager->client, server_api->server_api, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	-static bool phongo_manager_set_auto_encryption_opts(php_phongo_manager_t* manager, zval* driverOptions) /* {{{ */
	-{
	- zval* zAutoEncryptionOpts;
	- bson_error_t error = { 0 };
	- mongoc_auto_encryption_opts_t* auto_encryption_opts = NULL;
	- bool retval = false;
	-
	- if (!driverOptions \|\| !php_array_existsc(driverOptions, "autoEncryption")) {
	- return true;
	- }
	-
	- zAutoEncryptionOpts = php_array_fetch(driverOptions, "autoEncryption");
	-
	- if (Z_TYPE_P(zAutoEncryptionOpts) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"autoEncryption\" driver option to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zAutoEncryptionOpts));
	- return false;
	- }
	-
	- auto_encryption_opts = mongoc_auto_encryption_opts_new();
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "keyVaultClient")) {
	- zval* key_vault_client = php_array_fetch(zAutoEncryptionOpts, "keyVaultClient");
	-
	- if (Z_TYPE_P(key_vault_client) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(key_vault_client), php_phongo_manager_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultClient\" encryption option to be %s, %s given", ZSTR_VAL(php_phongo_manager_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(key_vault_client));
	- goto cleanup;
	- }
	-
	- /* Ensure the Manager and keyVaultClient are consistent in their use of
	- * persistent clients. A non-persistent Manager could theoretically use
	- * a persistent keyVaultClient, but this prohibition may help prevent
	- * users from inadvertently creating a persistent keyVaultClient. */
	- if (manager->use_persistent_client != Z_MANAGER_OBJ_P(key_vault_client)->use_persistent_client) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The \"disableClientPersistence\" option for a Manager and its \"keyVaultClient\" must be the same");
	- goto cleanup;
	- }
	-
	- mongoc_auto_encryption_opts_set_keyvault_client(auto_encryption_opts, Z_MANAGER_OBJ_P(key_vault_client)->client);
	-
	- /* Copy the keyVaultClient to the Manager to allow for ref-counting (for
	- * non-persistent clients) and reset-on-fork behavior. */
	- ZVAL_ZVAL(&manager->key_vault_client_manager, key_vault_client, 1, 0);
	- }
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "keyVaultNamespace")) {
	- char* key_vault_ns;
	- char* db_name;
	- char* coll_name;
	- int plen;
	- zend_bool pfree;
	-
	- key_vault_ns = php_array_fetch_string(zAutoEncryptionOpts, "keyVaultNamespace", &plen, &pfree);
	-
	- if (!phongo_split_namespace(key_vault_ns, &db_name, &coll_name)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultNamespace\" encryption option to contain a full collection name");
	-
	- if (pfree) {
	- efree(key_vault_ns);
	- }
	-
	- goto cleanup;
	- }
	-
	- mongoc_auto_encryption_opts_set_keyvault_namespace(auto_encryption_opts, db_name, coll_name);
	-
	- efree(db_name);
	- efree(coll_name);
	-
	- if (pfree) {
	- efree(key_vault_ns);
	- }
	- }
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "kmsProviders")) {
	- zval* kms_providers = php_array_fetch(zAutoEncryptionOpts, "kmsProviders");
	- bson_t bson_providers = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(kms_providers) != IS_OBJECT && Z_TYPE_P(kms_providers) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"kmsProviders\" encryption option to be an array or object");
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(kms_providers, PHONGO_BSON_NONE, &bson_providers, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_auto_encryption_opts_set_kms_providers(auto_encryption_opts, &bson_providers);
	-
	- bson_destroy(&bson_providers);
	- }
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "schemaMap")) {
	- zval* schema_map = php_array_fetch(zAutoEncryptionOpts, "schemaMap");
	- bson_t bson_map = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(schema_map) != IS_OBJECT && Z_TYPE_P(schema_map) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"schemaMap\" encryption option to be an array or object");
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(schema_map, PHONGO_BSON_NONE, &bson_map, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_auto_encryption_opts_set_schema_map(auto_encryption_opts, &bson_map);
	-
	- bson_destroy(&bson_map);
	- }
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "tlsOptions")) {
	- zval* tls_options = php_array_fetch(zAutoEncryptionOpts, "tlsOptions");
	- bson_t bson_options = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(tls_options) != IS_OBJECT && Z_TYPE_P(tls_options) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"tlsOptions\" encryption option to be an array or object");
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(tls_options, PHONGO_BSON_NONE, &bson_options, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_auto_encryption_opts_set_tls_opts(auto_encryption_opts, &bson_options);
	-
	- bson_destroy(&bson_options);
	- }
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "bypassAutoEncryption")) {
	- zend_bool bypass_auto_encryption = php_array_fetch_bool(zAutoEncryptionOpts, "bypassAutoEncryption");
	-
	- mongoc_auto_encryption_opts_set_bypass_auto_encryption(auto_encryption_opts, bypass_auto_encryption);
	- }
	-
	- if (php_array_existsc(zAutoEncryptionOpts, "extraOptions")) {
	- zval* extra_options = php_array_fetch(zAutoEncryptionOpts, "extraOptions");
	- bson_t bson_options = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(extra_options) != IS_OBJECT && Z_TYPE_P(extra_options) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"extraOptions\" encryption option to be an array or object");
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(extra_options, PHONGO_BSON_NONE, &bson_options, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_auto_encryption_opts_set_extra(auto_encryption_opts, &bson_options);
	-
	- bson_destroy(&bson_options);
	- }
	-
	- if (!mongoc_client_enable_auto_encryption(manager->client, auto_encryption_opts, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	-
	- retval = true;
	-
	-cleanup:
	- mongoc_auto_encryption_opts_destroy(auto_encryption_opts);
	- return retval;
	-}
	-/* }}} */
	-
	-/* keyVaultClientManager is an output parameter and will be assigned the
	- * keyVaultNamespace Manager (if any). */
	-static mongoc_client_encryption_opts_t* phongo_clientencryption_opts_from_zval(zval* defaultKeyVaultClient, zval* options, zval** keyVaultClientManager) /* {{{ */
	-{
	- mongoc_client_encryption_opts_t* opts;
	-
	- opts = mongoc_client_encryption_opts_new();
	- *keyVaultClientManager = NULL;
	-
	- if (!options \|\| Z_TYPE_P(options) != IS_ARRAY) {
	- /* Returning opts as-is will defer to mongoc_client_encryption_new to
	- * raise an error for missing required options */
	- return opts;
	- }
	-
	- if (php_array_existsc(options, "keyVaultClient")) {
	- zval* key_vault_client = php_array_fetch(options, "keyVaultClient");
	-
	- if (Z_TYPE_P(key_vault_client) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(key_vault_client), php_phongo_manager_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultClient\" encryption option to be %s, %s given", ZSTR_VAL(php_phongo_manager_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(key_vault_client));
	- goto cleanup;
	- }
	-
	- mongoc_client_encryption_opts_set_keyvault_client(opts, Z_MANAGER_OBJ_P(key_vault_client)->client);
	- *keyVaultClientManager = key_vault_client;
	- } else {
	- mongoc_client_encryption_opts_set_keyvault_client(opts, Z_MANAGER_OBJ_P(defaultKeyVaultClient)->client);
	- *keyVaultClientManager = defaultKeyVaultClient;
	- }
	-
	- if (php_array_existsc(options, "keyVaultNamespace")) {
	- char* keyvault_namespace;
	- char* db_name;
	- char* coll_name;
	- int plen;
	- zend_bool pfree;
	-
	- keyvault_namespace = php_array_fetchc_string(options, "keyVaultNamespace", &plen, &pfree);
	-
	- if (!phongo_split_namespace(keyvault_namespace, &db_name, &coll_name)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultNamespace\" encryption option to contain a full collection name");
	-
	- if (pfree) {
	- efree(keyvault_namespace);
	- }
	-
	- goto cleanup;
	- }
	-
	- mongoc_client_encryption_opts_set_keyvault_namespace(opts, db_name, coll_name);
	- efree(db_name);
	- efree(coll_name);
	-
	- if (pfree) {
	- efree(keyvault_namespace);
	- }
	- }
	-
	- if (php_array_existsc(options, "kmsProviders")) {
	- zval* kms_providers = php_array_fetchc(options, "kmsProviders");
	- bson_t bson_providers = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(kms_providers) != IS_ARRAY && Z_TYPE_P(kms_providers) != IS_OBJECT) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"kmsProviders\" encryption option to be an array or object");
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(kms_providers, PHONGO_BSON_NONE, &bson_providers, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_client_encryption_opts_set_kms_providers(opts, &bson_providers);
	- bson_destroy(&bson_providers);
	- }
	-
	- if (php_array_existsc(options, "tlsOptions")) {
	- zval* tls_options = php_array_fetchc(options, "tlsOptions");
	- bson_t bson_options = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(tls_options) != IS_ARRAY && Z_TYPE_P(tls_options) != IS_OBJECT) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"tlsOptions\" encryption option to be an array or object");
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(tls_options, PHONGO_BSON_NONE, &bson_options, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_client_encryption_opts_set_tls_opts(opts, &bson_options);
	- bson_destroy(&bson_options);
	- }
	-
	- return opts;
	-
	-cleanup:
	- if (opts) {
	- mongoc_client_encryption_opts_destroy(opts);
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-void phongo_clientencryption_init(php_phongo_clientencryption_t* clientencryption, zval* manager, zval* options) /* {{{ */
	-{
	- mongoc_client_encryption_t* ce;
	- mongoc_client_encryption_opts_t* opts;
	- zval* key_vault_client_manager = manager;
	- bson_error_t error = { 0 };
	-
	- opts = phongo_clientencryption_opts_from_zval(manager, options, &key_vault_client_manager);
	- if (!opts) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	- ce = mongoc_client_encryption_new(opts, &error);
	- if (!ce) {
	- phongo_throw_exception_from_bson_error_t(&error);
	-
	- goto cleanup;
	- }
	-
	- clientencryption->client_encryption = ce;
	- ZVAL_ZVAL(&clientencryption->key_vault_client_manager, key_vault_client_manager, 1, 0);
	-
	-cleanup:
	- if (opts) {
	- mongoc_client_encryption_opts_destroy(opts);
	- }
	-} /* }}} */
	-
	-static mongoc_client_encryption_datakey_opts_t* phongo_clientencryption_datakey_opts_from_zval(zval* options) /* {{{ */
	-{
	- mongoc_client_encryption_datakey_opts_t* opts;
	-
	- opts = mongoc_client_encryption_datakey_opts_new();
	-
	- if (!options \|\| Z_TYPE_P(options) != IS_ARRAY) {
	- return opts;
	- }
	-
	- if (php_array_existsc(options, "keyAltNames")) {
	- zval* zkeyaltnames = php_array_fetchc(options, "keyAltNames");
	- HashTable* ht_data;
	- uint32_t keyaltnames_count;
	- char** keyaltnames;
	- uint32_t i = 0;
	- uint32_t j = 0;
	- bool failed = false;
	-
	- if (!zkeyaltnames \|\| Z_TYPE_P(zkeyaltnames) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected keyAltNames to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zkeyaltnames));
	- goto cleanup;
	- }
	-
	- ht_data = HASH_OF(zkeyaltnames);
	- keyaltnames_count = ht_data ? zend_hash_num_elements(ht_data) : 0;
	- keyaltnames = ecalloc(keyaltnames_count, sizeof(char*));
	-
	- {
	- zend_string* string_key = NULL;
	- zend_ulong num_key = 0;
	- zval* keyaltname;
	-
	- ZEND_HASH_FOREACH_KEY_VAL(ht_data, num_key, string_key, keyaltname)
	- {
	- if (i >= keyaltnames_count) {
	- phongo_throw_exception(PHONGO_ERROR_LOGIC, "Iterating over too many keyAltNames. Please file a bug report");
	- failed = true;
	- break;
	- }
	-
	- if (Z_TYPE_P(keyaltname) != IS_STRING) {
	- if (string_key) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected keyAltName with index \"%s\" to be string, %s given", ZSTR_VAL(string_key), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(keyaltname));
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected keyAltName with index \"%lu\" to be string, %s given", num_key, PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(keyaltname));
	- }
	-
	- failed = true;
	- break;
	- }
	-
	- keyaltnames[i] = estrdup(Z_STRVAL_P(keyaltname));
	- i++;
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-
	- if (!failed) {
	- mongoc_client_encryption_datakey_opts_set_keyaltnames(opts, keyaltnames, keyaltnames_count);
	- }
	-
	- for (j = 0; j < i; j++) {
	- efree(keyaltnames[j]);
	- }
	- efree(keyaltnames);
	-
	- if (failed) {
	- goto cleanup;
	- }
	- }
	-
	- if (php_array_existsc(options, "masterKey")) {
	- bson_t masterkey = BSON_INITIALIZER;
	-
	- php_phongo_zval_to_bson(php_array_fetchc(options, "masterKey"), PHONGO_BSON_NONE, &masterkey, NULL);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_client_encryption_datakey_opts_set_masterkey(opts, &masterkey);
	- }
	-
	- return opts;
	-
	-cleanup:
	- if (opts) {
	- mongoc_client_encryption_datakey_opts_destroy(opts);
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-void phongo_clientencryption_create_datakey(php_phongo_clientencryption_t* clientencryption, zval* return_value, char* kms_provider, zval* options) /* {{{ */
	-{
	- mongoc_client_encryption_datakey_opts_t* opts;
	- bson_value_t keyid;
	- bson_error_t error = { 0 };
	-
	- opts = phongo_clientencryption_datakey_opts_from_zval(options);
	- if (!opts) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	- if (!mongoc_client_encryption_create_datakey(clientencryption->client_encryption, kms_provider, opts, &keyid, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	-
	- if (!php_phongo_bson_value_to_zval(&keyid, return_value)) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	-cleanup:
	- if (opts) {
	- mongoc_client_encryption_datakey_opts_destroy(opts);
	- }
	-} /* }}} */
	-
	-static mongoc_client_encryption_encrypt_opts_t* phongo_clientencryption_encrypt_opts_from_zval(zval* options) /* {{{ */
	-{
	- mongoc_client_encryption_encrypt_opts_t* opts;
	-
	- opts = mongoc_client_encryption_encrypt_opts_new();
	-
	- if (!options \|\| Z_TYPE_P(options) != IS_ARRAY) {
	- return opts;
	- }
	-
	- if (php_array_existsc(options, "keyId")) {
	- bson_value_t keyid;
	-
	- php_phongo_zval_to_bson_value(php_array_fetchc(options, "keyId"), PHONGO_BSON_NONE, &keyid);
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_client_encryption_encrypt_opts_set_keyid(opts, &keyid);
	- }
	-
	- if (php_array_existsc(options, "keyAltName")) {
	- char* keyaltname;
	- int plen;
	- zend_bool pfree;
	-
	- keyaltname = php_array_fetch_string(options, "keyAltName", &plen, &pfree);
	- mongoc_client_encryption_encrypt_opts_set_keyaltname(opts, keyaltname);
	-
	- if (pfree) {
	- efree(keyaltname);
	- }
	- }
	-
	- if (php_array_existsc(options, "algorithm")) {
	- char* algorithm;
	- int plen;
	- zend_bool pfree;
	-
	- algorithm = php_array_fetch_string(options, "algorithm", &plen, &pfree);
	- mongoc_client_encryption_encrypt_opts_set_algorithm(opts, algorithm);
	-
	- if (pfree) {
	- efree(algorithm);
	- }
	- }
	-
	- return opts;
	-
	-cleanup:
	- if (opts) {
	- mongoc_client_encryption_encrypt_opts_destroy(opts);
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-void phongo_clientencryption_encrypt(php_phongo_clientencryption_t* clientencryption, zval* zvalue, zval* zciphertext, zval* options) /* {{{ */
	-{
	- mongoc_client_encryption_encrypt_opts_t* opts;
	- bson_value_t ciphertext, value;
	- bson_error_t error = { 0 };
	-
	- php_phongo_zval_to_bson_value(zvalue, PHONGO_BSON_NONE, &value);
	-
	- opts = phongo_clientencryption_encrypt_opts_from_zval(options);
	- if (!opts) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	- if (!mongoc_client_encryption_encrypt(clientencryption->client_encryption, &value, opts, &ciphertext, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	-
	- if (!php_phongo_bson_value_to_zval(&ciphertext, zciphertext)) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	-cleanup:
	- if (opts) {
	- mongoc_client_encryption_encrypt_opts_destroy(opts);
	- }
	-} /* }}} */
	-
	-void phongo_clientencryption_decrypt(php_phongo_clientencryption_t* clientencryption, zval* zciphertext, zval* zvalue) /* {{{ */
	-{
	- bson_value_t ciphertext, value;
	- bson_error_t error = { 0 };
	-
	- php_phongo_zval_to_bson_value(zciphertext, PHONGO_BSON_NONE, &ciphertext);
	-
	- if (!mongoc_client_encryption_decrypt(clientencryption->client_encryption, &ciphertext, &value, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- return;
	- }
	-
	- if (!php_phongo_bson_value_to_zval(&value, zvalue)) {
	- /* Exception already thrown */
	- return;
	- }
	-}
	-/* }}} */
	-#else /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	-static void phongo_throw_exception_no_cse(php_phongo_error_domain_t domain, const char* message) /* {{{ */
	-{
	- phongo_throw_exception(domain, "%s Please recompile with support for libmongocrypt using the with-mongodb-client-side-encryption configure switch.", message);
	-}
	-/* }}} */
	-
	-static bool phongo_manager_set_auto_encryption_opts(php_phongo_manager_t* manager, zval* driverOptions) /* {{{ */
	-{
	- if (!driverOptions \|\| !php_array_existsc(driverOptions, "autoEncryption")) {
	- return true;
	- }
	-
	- phongo_throw_exception_no_cse(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot enable automatic field-level encryption.");
	-
	- return false;
	-}
	-/* }}} */
	-
	-void phongo_clientencryption_init(php_phongo_clientencryption_t* clientencryption, zval* manager, zval* options) /* {{{ */
	-{
	- phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot configure clientEncryption object.");
	-}
	-/* }}} */
	-
	-void phongo_clientencryption_create_datakey(php_phongo_clientencryption_t* clientencryption, zval* return_value, char* kms_provider, zval* options) /* {{{ */
	-{
	- phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot create encryption key.");
	-}
	-/* }}} */
	-
	-void phongo_clientencryption_encrypt(php_phongo_clientencryption_t* clientencryption, zval* zvalue, zval* zciphertext, zval* options) /* {{{ */
	-{
	- phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot encrypt value.");
	-}
	-/* }}} */
	-
	-void phongo_clientencryption_decrypt(php_phongo_clientencryption_t* clientencryption, zval* zciphertext, zval* zvalue) /* {{{ */
	-{
	- phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot decrypt value.");
	-}
	-/* }}} */
	-#endif
	-
	-void phongo_manager_init(php_phongo_manager_t* manager, const char* uri_string, zval* options, zval* driverOptions) /* {{{ */
	-{
	- bson_t bson_options = BSON_INITIALIZER;
	- mongoc_uri_t* uri = NULL;
	-#ifdef MONGOC_ENABLE_SSL
	- mongoc_ssl_opt_t* ssl_opt = NULL;
	-#endif
	-
	- if (!(manager->client_hash = php_phongo_manager_make_client_hash(uri_string, options, driverOptions, &manager->client_hash_len))) {
	- /* Exception should already have been thrown and there is nothing to free */
	- return;
	- }
	-
	- if (driverOptions && php_array_existsc(driverOptions, "disableClientPersistence")) {
	- manager->use_persistent_client = !php_array_fetchc_bool(driverOptions, "disableClientPersistence");
	- } else {
	- manager->use_persistent_client = true;
	- }
	-
	- if (manager->use_persistent_client && (manager->client = php_phongo_find_persistent_client(manager->client_hash, manager->client_hash_len))) {
	- MONGOC_DEBUG("Found client for hash: %s", manager->client_hash);
	- goto cleanup;
	- }
	-
	- if (options) {
	- php_phongo_zval_to_bson(options, PHONGO_BSON_NONE, &bson_options, NULL);
	- }
	-
	- /* An exception may be thrown during BSON conversion */
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- if (!(uri = php_phongo_make_uri(uri_string))) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!php_phongo_apply_options_to_uri(uri, &bson_options) \|\|
	- !php_phongo_apply_rc_options_to_uri(uri, &bson_options) \|\|
	- !php_phongo_apply_rp_options_to_uri(uri, &bson_options) \|\|
	- !php_phongo_apply_wc_options_to_uri(uri, &bson_options)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (!php_phongo_apply_driver_options_to_uri(uri, driverOptions)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- ssl_opt = php_phongo_make_ssl_opt(uri, driverOptions);
	-
	- /* An exception may be thrown during SSL option creation */
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- if (!php_phongo_uri_finalize_tls(uri)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-#else
	- if (mongoc_uri_get_tls(uri)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot create SSL client. SSL is not enabled in this build.");
	- goto cleanup;
	- }
	-#endif
	-
	- manager->client = php_phongo_make_mongo_client(uri, driverOptions);
	-
	- if (!manager->client) {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to create Manager from URI: '%s'", uri_string);
	- goto cleanup;
	- }
	-
	- mongoc_client_set_error_api(manager->client, MONGOC_ERROR_API_VERSION_2);
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (ssl_opt) {
	- mongoc_client_set_ssl_opts(manager->client, ssl_opt);
	- }
	-#endif
	-
	- if (!phongo_manager_set_auto_encryption_opts(manager, driverOptions)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!phongo_manager_set_serverapi_opts(manager, driverOptions)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!phongo_apm_set_callbacks(manager->client)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- MONGOC_DEBUG("Created client with hash: %s", manager->client_hash);
	-
	- /* Register the newly created client in the appropriate registry (for either
	- * persistent or request-scoped clients). */
	- if (!php_phongo_client_register(manager)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Failed to add Manager client to internal registry");
	- goto cleanup;
	- }
	-
	-cleanup:
	- bson_destroy(&bson_options);
	-
	- if (uri) {
	- mongoc_uri_destroy(uri);
	- }
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (ssl_opt) {
	- php_phongo_free_ssl_opt(ssl_opt);
	- }
	-#endif
	-} /* }}} */
	-
	-bool php_phongo_parse_int64(int64_t* retval, const char* data, size_t data_len) /* {{{ */
	-{
	- int64_t value;
	- char* endptr = NULL;
	-
	- /* bson_ascii_strtoll() sets errno if conversion fails. If conversion
	- * succeeds, we still want to ensure that the entire string was parsed. */
	- value = bson_ascii_strtoll(data, &endptr, 10);
	-
	- if (errno \|\| (endptr && endptr != ((const char*) data + data_len))) {
	- return false;
	- }
	-
	- *retval = value;
	-
	- return true;
	-} /* }}} */
	-
	-/* {{{ Memory allocation wrappers */
	-static void* php_phongo_malloc(size_t num_bytes) /* {{{ */
	-{
	- return pemalloc(num_bytes, 1);
	-} /* }}} */
	-
	-static void* php_phongo_calloc(size_t num_members, size_t num_bytes) /* {{{ */
	-{
	- return pecalloc(num_members, num_bytes, 1);
	-} /* }}} */
	-
	-static void* php_phongo_realloc(void* mem, size_t num_bytes) /* {{{ */
	-{
	- return perealloc(mem, num_bytes, 1);
	-} /* }}} */
	-
	-static void php_phongo_free(void* mem) /* {{{ */
	-{
	- if (mem) {
	- pefree(mem, 1);
	- }
	-} /* }}} */
	-
	-/* }}} */
	-
	-/* {{{ M[INIT\|SHUTDOWN] R[INIT\|SHUTDOWN] G[INIT\|SHUTDOWN] MINFO INI */
	-
	-static void phongo_pclient_reset_once(php_phongo_pclient_t* pclient, int pid)
	-{
	- if (pclient->last_reset_by_pid != pid) {
	- mongoc_client_reset(pclient->client);
	- pclient->last_reset_by_pid = pid;
	- }
	-}
	-
	-/* Resets the libmongoc client if it has not already been reset for the current
	- * PID (based on information in the hash table of persisted libmongoc clients).
	- * This ensures that we do not reset a client multiple times from the same child
	- * process. */
	-void php_phongo_client_reset_once(php_phongo_manager_t* manager, int pid)
	-{
	- php_phongo_pclient_t* pclient;
	-
	- /* Reset associated key vault client */
	- if (!Z_ISUNDEF(manager->key_vault_client_manager)) {
	- php_phongo_client_reset_once(Z_MANAGER_OBJ_P(&manager->key_vault_client_manager), pid);
	- }
	-
	- if (manager->use_persistent_client) {
	- pclient = zend_hash_str_find_ptr(&MONGODB_G(persistent_clients), manager->client_hash, manager->client_hash_len);
	-
	- if (pclient) {
	- phongo_pclient_reset_once(pclient, pid);
	- }
	-
	- return;
	- }
	-
	- ZEND_HASH_FOREACH_PTR(MONGODB_G(request_clients), pclient)
	- {
	- if (pclient->client == manager->client) {
	- phongo_pclient_reset_once(pclient, pid);
	- return;
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	-}
	-
	-static void php_phongo_pclient_destroy(php_phongo_pclient_t* pclient)
	-{
	- /* Do not destroy mongoc_client_t objects created by other processes. This
	- * ensures that we do not shutdown sockets that may still be in use by our
	- * parent process (see: PHPC-1522).
	- *
	- * This is a leak; however, we are already in GSHUTDOWN for a persistent
	- * clients. For a request-scoped client, we are either in the Manager's
	- * free_object handler or RSHUTDOWN, but there the application is capable of
	- * freeing its Manager and its client before forking. */
	- if (pclient->created_by_pid == getpid()) {
	- /* Single-threaded clients may run commands (e.g. endSessions) from
	- * mongoc_client_destroy, so disable APM to ensure an event is not
	- * dispatched while destroying the Manager and its client. This means
	- * that certain shutdown commands cannot be observed unless APM is
	- * redesigned to not reference a client (see: PHPC-1666).
	- *
	- * Note: this is only relevant for request-scoped clients. APM
	- * subscribers will no longer exist when persistent clients are
	- * destroyed in GSHUTDOWN. */
	- mongoc_client_set_apm_callbacks(pclient->client, NULL, NULL);
	- mongoc_client_destroy(pclient->client);
	- }
	-
	- /* Persistent and request-scoped clients use different memory allocation */
	- pefree(pclient, pclient->is_persistent);
	-}
	-
	-/* Returns whether a Manager exists in the request-scoped registry. If found and
	- * the output parameter is non-NULL, the Manager's index will be assigned. */
	-static bool php_phongo_manager_exists(php_phongo_manager_t* manager, zend_ulong* index_out)
	-{
	- zend_ulong index;
	- php_phongo_manager_t* value;
	-
	- if (!MONGODB_G(managers) \|\| zend_hash_num_elements(MONGODB_G(managers)) == 0) {
	- return false;
	- }
	-
	- ZEND_HASH_FOREACH_NUM_KEY_PTR(MONGODB_G(managers), index, value)
	- {
	- if (value != manager) {
	- continue;
	- }
	-
	- if (index_out) {
	- *index_out = index;
	- }
	-
	- return true;
	- }
	- ZEND_HASH_FOREACH_END();
	-
	- return false;
	-}
	-
	-/* Adds a Manager to the request-scoped registry. Returns true if the Manager
	- * did not exist and was successfully added; otherwise, returns false. */
	-bool php_phongo_manager_register(php_phongo_manager_t* manager)
	-{
	- if (!MONGODB_G(managers)) {
	- return false;
	- }
	-
	- if (php_phongo_manager_exists(manager, NULL)) {
	- return false;
	- }
	-
	- return zend_hash_next_index_insert_ptr(MONGODB_G(managers), manager) != NULL;
	-}
	-
	-/* Removes a Manager from the request-scoped registry. Returns true if the
	- * Manager was found and successfully removed; otherwise, false is returned. */
	-bool php_phongo_manager_unregister(php_phongo_manager_t* manager)
	-{
	- zend_ulong index;
	-
	- /* Ensure the registry is initialized. This is needed because RSHUTDOWN may
	- * occur before a Manager's free_object handler is executed. */
	- if (!MONGODB_G(managers)) {
	- return false;
	- }
	-
	- if (php_phongo_manager_exists(manager, &index)) {
	- return zend_hash_index_del(MONGODB_G(managers), index) == SUCCESS;
	- }
	-
	- return false;
	-}
	-
	-static void php_phongo_pclient_destroy_ptr(zval* ptr)
	-{
	- php_phongo_pclient_destroy(Z_PTR_P(ptr));
	-}
	-
	-/* {{{ PHP_RINIT_FUNCTION */
	-PHP_RINIT_FUNCTION(mongodb)
	-{
	- /* Initialize HashTable for non-persistent clients, which is initialized to
	- * NULL in GINIT and destroyed and reset to NULL in RSHUTDOWN. Although we
	- * specify an element destructor here, all request clients should be freed
	- * naturally via garbage collection (i.e. the HashTable should be empty at
	- * the time it is destroyed in RSHUTDOWN). */
	- if (MONGODB_G(request_clients) == NULL) {
	- ALLOC_HASHTABLE(MONGODB_G(request_clients));
	- zend_hash_init(MONGODB_G(request_clients), 0, NULL, php_phongo_pclient_destroy_ptr, 0);
	- }
	-
	- /* Initialize HashTable for APM subscribers, which is initialized to NULL in
	- * GINIT and destroyed and reset to NULL in RSHUTDOWN. Since this HashTable
	- * will store subscriber object zvals, we specify ZVAL_PTR_DTOR as its
	- * element destructor so that any still-registered subscribers can be freed
	- * in RSHUTDOWN. */
	- if (MONGODB_G(subscribers) == NULL) {
	- ALLOC_HASHTABLE(MONGODB_G(subscribers));
	- zend_hash_init(MONGODB_G(subscribers), 0, NULL, ZVAL_PTR_DTOR, 0);
	- }
	-
	- /* Initialize HashTable for registering Manager objects. This is initialized
	- * to NULL in GINIT and destroyed and reset to NULL in RSHUTDOWN. Since this
	- * HashTable stores pointers to existing php_phongo_manager_t objects (not
	- * counted references), the element destructor is intentionally NULL. */
	- if (MONGODB_G(managers) == NULL) {
	- ALLOC_HASHTABLE(MONGODB_G(managers));
	- zend_hash_init(MONGODB_G(managers), 0, NULL, NULL, 0);
	- }
	-
	- return SUCCESS;
	-}
	-/* }}} */
	-
	-/* {{{ PHP_GINIT_FUNCTION */
	-PHP_GINIT_FUNCTION(mongodb)
	-{
	-#if defined(COMPILE_DL_MONGODB) && defined(ZTS)
	- ZEND_TSRMLS_CACHE_UPDATE();
	-#endif
	-
	- /* Increment the thread counter. */
	- bson_atomic_int32_fetch_add(&phongo_num_threads, 1, bson_memory_order_seq_cst);
	-
	- /* Clear extension globals */
	- memset(mongodb_globals, 0, sizeof(zend_mongodb_globals));
	-
	- /* Initialize HashTable for persistent clients, which will be destroyed in
	- * GSHUTDOWN. We specify an element destructor so that persistent clients
	- * can be destroyed along with the HashTable. The HashTable's struct is
	- * nested within globals, so no allocation is needed (unlike the HashTables
	- * allocated in RINIT). */
	- zend_hash_init(&mongodb_globals->persistent_clients, 0, NULL, php_phongo_pclient_destroy_ptr, 1);
	-}
	-/* }}} */
	-
	-static zend_class_entry* php_phongo_fetch_internal_class(const char* class_name, size_t class_name_len)
	-{
	- zend_class_entry* pce;
	-
	- if ((pce = zend_hash_str_find_ptr(CG(class_table), class_name, class_name_len))) {
	- return pce;
	- }
	-
	- return NULL;
	-}
	-
	-static HashTable* php_phongo_std_get_gc(phongo_compat_object_handler_type* object, zval** table, int* n) /* {{{ */
	-{
	- *table = NULL;
	- *n = 0;
	- return zend_std_get_properties(object);
	-} /* }}} */
	-
	-/* {{{ PHP_MINIT_FUNCTION */
	-PHP_MINIT_FUNCTION(mongodb)
	-{
	- bson_mem_vtable_t bson_mem_vtable = {
	- php_phongo_malloc,
	- php_phongo_calloc,
	- php_phongo_realloc,
	- php_phongo_free,
	- };
	-
	- (void) type; /* We don't care if we are loaded via dl() or extension= */
	-
	- phongo_register_ini_entries(INIT_FUNC_ARGS_PASSTHRU);
	-
	- /* Assign our custom vtable to libbson, so all memory allocation in libbson
	- * (and libmongoc) will use PHP's persistent memory API. After doing so,
	- * initialize libmongoc. Later, we will shutdown libmongoc and restore
	- * libbson's vtable in the final GSHUTDOWN. */
	- bson_mem_set_vtable(&bson_mem_vtable);
	- mongoc_init();
	-
	- /* Prep default object handlers to be used when we register the classes */
	- memcpy(&phongo_std_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
	- /* Disable cloning by default. Individual classes can opt in if they need to
	- * support this (e.g. BSON objects). */
	- phongo_std_object_handlers.clone_obj = NULL;
	- /* Ensure that get_gc delegates to zend_std_get_properties directly in case
	- * our class defines a get_properties handler for debugging purposes. */
	- phongo_std_object_handlers.get_gc = php_phongo_std_get_gc;
	-
	- /* Initialize zend_class_entry dependencies.
	- *
	- * Although DateTimeImmutable was introduced in PHP 5.5.0,
	- * php_date_get_immutable_ce() is not available in PHP versions before
	- * 5.5.24 and 5.6.8.
	- *
	- * Although JsonSerializable was introduced in PHP 5.4.0,
	- * php_json_serializable_ce is not exported in PHP versions before 5.4.26
	- * and 5.5.10. For later PHP versions, looking up the class manually also
	- * helps with distros that disable LTDL_LAZY for dlopen() (e.g. Fedora).
	- */
	- php_phongo_date_immutable_ce = php_phongo_fetch_internal_class(ZEND_STRL("datetimeimmutable"));
	- php_phongo_json_serializable_ce = php_phongo_fetch_internal_class(ZEND_STRL("jsonserializable"));
	-
	- if (php_phongo_json_serializable_ce == NULL) {
	- zend_error(E_ERROR, "JsonSerializable class is not defined. Please ensure that the 'json' module is loaded before the 'mongodb' module.");
	- return FAILURE;
	- }
	-
	- /* Register base BSON classes first */
	- php_phongo_type_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_serializable_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_unserializable_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- php_phongo_binary_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_decimal128_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_javascript_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_maxkey_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_minkey_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_objectid_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_regex_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_timestamp_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_utcdatetime_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- php_phongo_binary_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_dbpointer_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_decimal128_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_int64_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_javascript_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_maxkey_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_minkey_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_objectid_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_persistable_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_regex_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_symbol_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_timestamp_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_undefined_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_utcdatetime_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- php_phongo_cursor_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- php_phongo_bulkwrite_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_clientencryption_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_command_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_cursor_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_cursorid_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_manager_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_query_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_readconcern_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_readpreference_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_server_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_serverapi_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_session_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_writeconcern_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_writeconcernerror_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_writeerror_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_writeresult_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- /* Register base exception classes first */
	- php_phongo_exception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_runtimeexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_serverexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_connectionexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_writeexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- php_phongo_authenticationexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_bulkwriteexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_commandexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_connectiontimeoutexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_encryptionexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_executiontimeoutexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_invalidargumentexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_logicexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_sslconnectionexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_unexpectedvalueexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- /* Register base APM classes first */
	- php_phongo_subscriber_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_commandsubscriber_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_commandfailedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_commandstartedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	- php_phongo_commandsucceededevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	-
	- REGISTER_STRING_CONSTANT("MONGODB_VERSION", (char*) PHP_MONGODB_VERSION, CONST_CS \| CONST_PERSISTENT);
	- REGISTER_STRING_CONSTANT("MONGODB_STABILITY", (char*) PHP_MONGODB_STABILITY, CONST_CS \| CONST_PERSISTENT);
	-
	- return SUCCESS;
	-}
	-/* }}} */
	-
	-/* {{{ PHP_MSHUTDOWN_FUNCTION */
	-PHP_MSHUTDOWN_FUNCTION(mongodb)
	-{
	- phongo_unregister_ini_entries(SHUTDOWN_FUNC_ARGS_PASSTHRU);
	-
	- return SUCCESS;
	-}
	-/* }}} */
	-
	-/* {{{ PHP_RSHUTDOWN_FUNCTION */
	-PHP_RSHUTDOWN_FUNCTION(mongodb)
	-{
	- /* Destroy HashTable for APM subscribers, which was initialized in RINIT. */
	- if (MONGODB_G(subscribers)) {
	- zend_hash_destroy(MONGODB_G(subscribers));
	- FREE_HASHTABLE(MONGODB_G(subscribers));
	- MONGODB_G(subscribers) = NULL;
	- }
	-
	- /* Destroy HashTable for non-persistent clients, which was initialized in
	- * RINIT. This is intentionally done after the APM subscribers to allow any
	- * non-persistent clients still referenced by a subscriber (not freed prior
	- * to RSHUTDOWN) to be naturally garbage collected and freed by the Manager
	- * free_object handler rather than the HashTable's element destructor. There
	- * is no need to use zend_hash_graceful_reverse_destroy here like we do for
	- * persistent clients; moreover, the HashTable should already be empty. */
	- if (MONGODB_G(request_clients)) {
	- zend_hash_destroy(MONGODB_G(request_clients));
	- FREE_HASHTABLE(MONGODB_G(request_clients));
	- MONGODB_G(request_clients) = NULL;
	- }
	-
	- /* Destroy HashTable for Managers, which was initialized in RINIT. */
	- if (MONGODB_G(managers)) {
	- zend_hash_destroy(MONGODB_G(managers));
	- FREE_HASHTABLE(MONGODB_G(managers));
	- MONGODB_G(managers) = NULL;
	- }
	-
	- return SUCCESS;
	-}
	-/* }}} */
	-
	-/* {{{ PHP_GSHUTDOWN_FUNCTION */
	-PHP_GSHUTDOWN_FUNCTION(mongodb)
	-{
	- /* Destroy persistent client HashTable in reverse order. This is necessary
	- * to prevent segmentation faults as clients may reference other clients in
	- * encryption settings. */
	- zend_hash_graceful_reverse_destroy(&mongodb_globals->persistent_clients);
	-
	- phongo_log_disable(mongodb_globals->debug_fd);
	- mongodb_globals->debug_fd = NULL;
	-
	- /* Decrement the thread counter. If it reaches zero, we can infer that this
	- * is the last thread, MSHUTDOWN has been called, persistent clients from
	- * all threads have been destroyed, and it is now safe to shutdown libmongoc
	- * and restore libbson's original vtable. */
	- if (bson_atomic_int32_fetch_sub(&phongo_num_threads, 1, bson_memory_order_seq_cst) - 1 == 0) {
	- mongoc_cleanup();
	- bson_mem_restore_vtable();
	- }
	-}
	-/* }}} */
	-
	-/* {{{ PHP_MINFO_FUNCTION */
	-PHP_MINFO_FUNCTION(mongodb)
	-{
	- php_info_print_table_start();
	- php_info_print_table_header(2, "MongoDB support", "enabled");
	- php_info_print_table_row(2, "MongoDB extension version", PHP_MONGODB_VERSION);
	- php_info_print_table_row(2, "MongoDB extension stability", PHP_MONGODB_STABILITY);
	-
	-#ifdef HAVE_SYSTEM_LIBBSON
	- php_info_print_table_row(2, "libbson headers version", BSON_VERSION_S);
	- php_info_print_table_row(2, "libbson library version", bson_get_version());
	-#else
	- php_info_print_table_row(2, "libbson bundled version", BSON_VERSION_S);
	-#endif
	-
	-#ifdef HAVE_SYSTEM_LIBMONGOC
	- php_info_print_table_row(2, "libmongoc headers version", MONGOC_VERSION_S);
	- php_info_print_table_row(2, "libmongoc library version", mongoc_get_version());
	-#else
	- /* Bundled libraries, buildtime = runtime */
	- php_info_print_table_row(2, "libmongoc bundled version", MONGOC_VERSION_S);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SSL
	- php_info_print_table_row(2, "libmongoc SSL", "enabled");
	-#if defined(MONGOC_ENABLE_SSL_OPENSSL)
	- php_info_print_table_row(2, "libmongoc SSL library", "OpenSSL");
	-#elif defined(MONGOC_ENABLE_SSL_LIBRESSL)
	- php_info_print_table_row(2, "libmongoc SSL library", "LibreSSL");
	-#elif defined(MONGOC_ENABLE_SSL_SECURE_TRANSPORT)
	- php_info_print_table_row(2, "libmongoc SSL library", "Secure Transport");
	-#elif defined(MONGOC_ENABLE_SSL_SECURE_CHANNEL)
	- php_info_print_table_row(2, "libmongoc SSL library", "Secure Channel");
	-#else
	- php_info_print_table_row(2, "libmongoc SSL library", "unknown");
	-#endif
	-#else /* MONGOC_ENABLE_SSL */
	- php_info_print_table_row(2, "libmongoc SSL", "disabled");
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- php_info_print_table_row(2, "libmongoc crypto", "enabled");
	-#if defined(MONGOC_ENABLE_CRYPTO_LIBCRYPTO)
	- php_info_print_table_row(2, "libmongoc crypto library", "libcrypto");
	-#elif defined(MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO)
	- php_info_print_table_row(2, "libmongoc crypto library", "Common Crypto");
	-#elif defined(MONGOC_ENABLE_CRYPTO_CNG)
	- php_info_print_table_row(2, "libmongoc crypto library", "CNG");
	-#else
	- php_info_print_table_row(2, "libmongoc crypto library", "unknown");
	-#endif
	-#ifdef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	- php_info_print_table_row(2, "libmongoc crypto system profile", "enabled");
	-#else
	- php_info_print_table_row(2, "libmongoc crypto system profile", "disabled");
	-#endif
	-#else /* MONGOC_ENABLE_CRYPTO */
	- php_info_print_table_row(2, "libmongoc crypto", "disabled");
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SASL
	- php_info_print_table_row(2, "libmongoc SASL", "enabled");
	-#else
	- php_info_print_table_row(2, "libmongoc SASL", "disabled");
	-#endif
	-
	-#ifdef MONGOC_ENABLE_ICU
	- php_info_print_table_row(2, "libmongoc ICU", "enabled");
	-#else
	- php_info_print_table_row(2, "libmongoc ICU", "disabled");
	-#endif
	-
	-#ifdef MONGOC_ENABLE_COMPRESSION
	- php_info_print_table_row(2, "libmongoc compression", "enabled");
	-#ifdef MONGOC_ENABLE_COMPRESSION_SNAPPY
	- php_info_print_table_row(2, "libmongoc compression snappy", "enabled");
	-#else
	- php_info_print_table_row(2, "libmongoc compression snappy", "disabled");
	-#endif
	-#ifdef MONGOC_ENABLE_COMPRESSION_ZLIB
	- php_info_print_table_row(2, "libmongoc compression zlib", "enabled");
	-#else
	- php_info_print_table_row(2, "libmongoc compression zlib", "disabled");
	-#endif
	-#ifdef MONGOC_ENABLE_COMPRESSION_ZSTD
	- php_info_print_table_row(2, "libmongoc compression zstd", "enabled");
	-#else
	- php_info_print_table_row(2, "libmongoc compression zstd", "disabled");
	-#endif
	-#else /* MONGOC_ENABLE_COMPRESSION */
	- php_info_print_table_row(2, "libmongoc compression", "disabled");
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	-#ifdef HAVE_SYSTEM_LIBMONGOCRYPT
	- php_info_print_table_row(2, "libmongocrypt headers version", MONGOCRYPT_VERSION);
	- php_info_print_table_row(2, "libmongocrypt library version", mongocrypt_version(NULL));
	-#else
	- php_info_print_table_row(2, "libmongocrypt bundled version", MONGOCRYPT_VERSION);
	-#endif
	-
	-#ifdef MONGOCRYPT_ENABLE_CRYPTO
	- php_info_print_table_row(2, "libmongocrypt crypto", "enabled");
	-
	-#if defined(MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO)
	- php_info_print_table_row(2, "libmongocrypt crypto library", "libcrypto");
	-#elif defined(MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO)
	- php_info_print_table_row(2, "libmongocrypt crypto library", "Common Crypto");
	-#elif defined(MONGOCRYPT_ENABLE_CRYPTO_CNG)
	- php_info_print_table_row(2, "libmongocrypt crypto library", "CNG");
	-#else
	- php_info_print_table_row(2, "libmongocrypt crypto library", "unknown");
	-#endif
	-#else /* MONGOCRYPT_ENABLE_CRYPTO */
	- php_info_print_table_row(2, "libmongocrypt crypto", "disabled");
	-#endif
	-#else /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	- php_info_print_table_row(2, "libmongocrypt", "disabled");
	-#endif
	-
	- php_info_print_table_end();
	-
	- phongo_display_ini_entries(ZEND_MODULE_INFO_FUNC_ARGS_PASSTHRU);
	-}
	-/* }}} */
	-/* }}} */
	-
	-/* {{{ Shared function entries for disabling constructors and unserialize() */
	-PHP_FUNCTION(MongoDB_disabled___construct) /* {{{ */
	-{
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Accessing private constructor");
	-} /* }}} */
	-
	-PHP_FUNCTION(MongoDB_disabled___wakeup) /* {{{ */
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "%s", "MongoDB\\Driver objects cannot be serialized");
	-} /* }}} */
	- /* }}} */
	-
	-/* {{{ mongodb_functions[]
	-*/
	-ZEND_BEGIN_ARG_INFO_EX(ai_bson_fromPHP, 0, 0, 1)
	- ZEND_ARG_INFO(0, value)
	-ZEND_END_ARG_INFO();
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_bson_toPHP, 0, 0, 1)
	- ZEND_ARG_INFO(0, bson)
	- ZEND_ARG_ARRAY_INFO(0, typemap, 0)
	-ZEND_END_ARG_INFO();
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_bson_toJSON, 0, 0, 1)
	- ZEND_ARG_INFO(0, bson)
	-ZEND_END_ARG_INFO();
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_bson_fromJSON, 0, 0, 1)
	- ZEND_ARG_INFO(0, json)
	-ZEND_END_ARG_INFO();
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_mongodb_driver_monitoring_subscriber, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, subscriber, MongoDB\\Driver\\Monitoring\\Subscriber, 0)
	-ZEND_END_ARG_INFO();
	-
	-static const zend_function_entry mongodb_functions[] = {
	- ZEND_NS_NAMED_FE("MongoDB\\BSON", fromPHP, PHP_FN(MongoDB_BSON_fromPHP), ai_bson_fromPHP)
	- ZEND_NS_NAMED_FE("MongoDB\\BSON", toPHP, PHP_FN(MongoDB_BSON_toPHP), ai_bson_toPHP)
	- ZEND_NS_NAMED_FE("MongoDB\\BSON", toJSON, PHP_FN(MongoDB_BSON_toJSON), ai_bson_toJSON)
	- ZEND_NS_NAMED_FE("MongoDB\\BSON", toCanonicalExtendedJSON, PHP_FN(MongoDB_BSON_toCanonicalExtendedJSON), ai_bson_toJSON)
	- ZEND_NS_NAMED_FE("MongoDB\\BSON", toRelaxedExtendedJSON, PHP_FN(MongoDB_BSON_toRelaxedExtendedJSON), ai_bson_toJSON)
	- ZEND_NS_NAMED_FE("MongoDB\\BSON", fromJSON, PHP_FN(MongoDB_BSON_fromJSON), ai_bson_fromJSON)
	- ZEND_NS_NAMED_FE("MongoDB\\Driver\\Monitoring", addSubscriber, PHP_FN(MongoDB_Driver_Monitoring_addSubscriber), ai_mongodb_driver_monitoring_subscriber)
	- ZEND_NS_NAMED_FE("MongoDB\\Driver\\Monitoring", removeSubscriber, PHP_FN(MongoDB_Driver_Monitoring_removeSubscriber), ai_mongodb_driver_monitoring_subscriber)
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-static const zend_module_dep mongodb_deps[] = {
	- ZEND_MOD_REQUIRED("date")
	- ZEND_MOD_REQUIRED("json")
	- ZEND_MOD_REQUIRED("spl")
	- ZEND_MOD_REQUIRED("standard")
	- ZEND_MOD_END
	-};
	-
	-/* {{{ mongodb_module_entry
	- */
	-zend_module_entry mongodb_module_entry = {
	- STANDARD_MODULE_HEADER_EX,
	- NULL,
	- mongodb_deps,
	- "mongodb",
	- mongodb_functions,
	- PHP_MINIT(mongodb),
	- PHP_MSHUTDOWN(mongodb),
	- PHP_RINIT(mongodb),
	- PHP_RSHUTDOWN(mongodb),
	- PHP_MINFO(mongodb),
	- PHP_MONGODB_VERSION,
	- PHP_MODULE_GLOBALS(mongodb),
	- PHP_GINIT(mongodb),
	- PHP_GSHUTDOWN(mongodb),
	- NULL,
	- STANDARD_MODULE_PROPERTIES_EX
	-};
	-/* }}} */
	-
	-#ifdef COMPILE_DL_MONGODB
	-ZEND_GET_MODULE(mongodb)
	-#endif
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/php_phongo.h b/mongodb-1.12.0/php_phongo.h
	deleted file mode 100644
	index 1c18fb1c..00000000
	--- a/mongodb-1.12.0/php_phongo.h
	+++ /dev/null
	@@ -1,237 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_H
	-#define PHONGO_H
	-
	-/* External libs */
	-#include "bson/bson.h"
	-#include "mongoc/mongoc.h"
	-
	-#include "phongo_version.h"
	-#include "phongo_compat.h"
	-#include "php_phongo_classes.h"
	-
	-#define phpext_mongodb_ptr &mongodb_module_entry
	-extern zend_module_entry mongodb_module_entry;
	-
	-/* Structure for tracking libmongoc clients (both persisted and non-persisted).
	- * The PID is included to ensure that processes do not destroy clients created
	- * by other processes (relevant for forking). We avoid using pid_t for Windows
	- * compatibility. */
	-typedef struct {
	- mongoc_client_t* client;
	- int created_by_pid;
	- int last_reset_by_pid;
	- bool is_persistent;
	-} php_phongo_pclient_t;
	-
	-ZEND_BEGIN_MODULE_GLOBALS(mongodb)
	- char* debug;
	- FILE* debug_fd;
	- bool mock_service_id;
	- HashTable persistent_clients;
	- HashTable* request_clients;
	- HashTable* subscribers;
	- HashTable* managers;
	-ZEND_END_MODULE_GLOBALS(mongodb)
	-
	-#define MONGODB_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(mongodb, v)
	-#if defined(ZTS) && defined(COMPILE_DL_MONGODB)
	-ZEND_TSRMLS_CACHE_EXTERN()
	-#endif
	-
	-#define PHONGO_WRITE_CONCERN_W_MAJORITY "majority"
	-
	-/* This enum is necessary since mongoc_server_description_type_t is private and
	- * we need to translate strings returned by mongoc_server_description_type() to
	- * Server integer constants. */
	-typedef enum {
	- PHONGO_SERVER_UNKNOWN = 0,
	- PHONGO_SERVER_STANDALONE = 1,
	- PHONGO_SERVER_MONGOS = 2,
	- PHONGO_SERVER_POSSIBLE_PRIMARY = 3,
	- PHONGO_SERVER_RS_PRIMARY = 4,
	- PHONGO_SERVER_RS_SECONDARY = 5,
	- PHONGO_SERVER_RS_ARBITER = 6,
	- PHONGO_SERVER_RS_OTHER = 7,
	- PHONGO_SERVER_RS_GHOST = 8,
	- PHONGO_SERVER_LOAD_BALANCER = 9,
	- PHONGO_SERVER_DESCRIPTION_TYPES = 10,
	-} php_phongo_server_description_type_t;
	-
	-typedef struct {
	- php_phongo_server_description_type_t type;
	- const char* name;
	-} php_phongo_server_description_type_map_t;
	-
	-extern php_phongo_server_description_type_map_t php_phongo_server_description_type_map[];
	-
	-typedef enum {
	- PHONGO_ERROR_INVALID_ARGUMENT = 1,
	- PHONGO_ERROR_RUNTIME = 2,
	- PHONGO_ERROR_UNEXPECTED_VALUE = 8,
	- PHONGO_ERROR_MONGOC_FAILED = 3,
	- PHONGO_ERROR_CONNECTION_FAILED = 7,
	- PHONGO_ERROR_LOGIC = 9
	-} php_phongo_error_domain_t;
	-
	-/* This constant is used for determining if a server error for an exceeded query
	- * or command should select ExecutionTimeoutException. */
	-#define PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT 50
	-
	-zend_class_entry* phongo_exception_from_mongoc_domain(uint32_t /* mongoc_error_domain_t / domain, uint32_t / mongoc_error_code_t */ code);
	-zend_class_entry* phongo_exception_from_phongo_domain(php_phongo_error_domain_t domain);
	-void phongo_throw_exception(php_phongo_error_domain_t domain, const char* format, ...);
	-void phongo_throw_exception_from_bson_error_t(bson_error_t* error);
	-void phongo_throw_exception_from_bson_error_t_and_reply(bson_error_t* error, const bson_t* reply);
	-
	-/* This enum is used for processing options in phongo_execute_parse_options and
	- * selecting a libmongoc function to use in phongo_execute_command. The values
	- * are important, as READ and WRITE are also used as a bit field to determine
	- * whether readPreference, readConcern, and writeConcern options are parsed. */
	-typedef enum {
	- PHONGO_OPTION_READ_CONCERN = 0x01,
	- PHONGO_OPTION_READ_PREFERENCE = 0x02,
	- PHONGO_OPTION_WRITE_CONCERN = 0x04,
	- PHONGO_COMMAND_RAW = 0x07,
	- PHONGO_COMMAND_READ = 0x03,
	- PHONGO_COMMAND_WRITE = 0x04,
	- PHONGO_COMMAND_READ_WRITE = 0x05,
	-} php_phongo_command_type_t;
	-
	-zend_object_handlers* phongo_get_std_object_handlers(void);
	-
	-void phongo_clientencryption_init(php_phongo_clientencryption_t* ce_obj, zval* manager, zval* options);
	-void phongo_server_init(zval* return_value, zval* manager, uint32_t server_id);
	-void phongo_session_init(zval* return_value, zval* manager, mongoc_client_session_t* client_session);
	-void phongo_objectid_init(zval* return_value, const bson_oid_t* oid);
	-void phongo_readconcern_init(zval* return_value, const mongoc_read_concern_t* read_concern);
	-void phongo_readpreference_init(zval* return_value, const mongoc_read_prefs_t* read_prefs);
	-void phongo_writeconcern_init(zval* return_value, const mongoc_write_concern_t* write_concern);
	-bool phongo_execute_bulk_write(zval* manager, const char* namespace, php_phongo_bulkwrite_t* bulk_write, zval* zwriteConcern, uint32_t server_id, zval* return_value);
	-bool phongo_execute_command(zval* manager, php_phongo_command_type_t type, const char* db, zval* zcommand, zval* zreadPreference, uint32_t server_id, zval* return_value);
	-bool phongo_execute_query(zval* manager, const char* namespace, zval* zquery, zval* zreadPreference, uint32_t server_id, zval* return_value);
	-
	-bool phongo_cursor_advance_and_check_for_error(mongoc_cursor_t* cursor);
	-
	-const mongoc_read_concern_t* phongo_read_concern_from_zval(zval* zread_concern);
	-const mongoc_read_prefs_t* phongo_read_preference_from_zval(zval* zread_preference);
	-const mongoc_write_concern_t* phongo_write_concern_from_zval(zval* zwrite_concern);
	-
	-php_phongo_server_description_type_t php_phongo_server_description_type(mongoc_server_description_t* sd);
	-
	-bool phongo_parse_read_preference(zval* options, zval** zreadPreference);
	-bool phongo_parse_session(zval* options, mongoc_client_t* client, bson_t* mongoc_opts, zval** zsession);
	-
	-zval* php_phongo_prep_legacy_option(zval* options, const char* key, bool* allocated);
	-void php_phongo_prep_legacy_option_free(zval* options);
	-
	-void php_phongo_read_preference_prep_tagsets(zval* tagSets);
	-bool php_phongo_read_preference_tags_are_valid(const bson_t* tags);
	-
	-bool php_phongo_server_to_zval(zval* retval, mongoc_client_t* client, mongoc_server_description_t* sd);
	-void php_phongo_read_concern_to_zval(zval* retval, const mongoc_read_concern_t* read_concern);
	-void php_phongo_write_concern_to_zval(zval* retval, const mongoc_write_concern_t* write_concern);
	-
	-void phongo_manager_init(php_phongo_manager_t* manager, const char* uri_string, zval* options, zval* driverOptions);
	-bool php_phongo_set_monitoring_callbacks(mongoc_client_t* client);
	-
	-bool php_phongo_parse_int64(int64_t* retval, const char* data, size_t data_len);
	-
	-void phongo_clientencryption_create_datakey(php_phongo_clientencryption_t* clientencryption, zval* return_value, char* kms_provider, zval* options);
	-void phongo_clientencryption_encrypt(php_phongo_clientencryption_t* clientencryption, zval* zvalue, zval* zciphertext, zval* options);
	-void phongo_clientencryption_decrypt(php_phongo_clientencryption_t* clientencryption, zval* zciphertext, zval* zvalue);
	-
	-zend_bool phongo_writeerror_init(zval* return_value, bson_t* bson);
	-zend_bool phongo_writeconcernerror_init(zval* return_value, bson_t* bson);
	-
	-void php_phongo_client_reset_once(php_phongo_manager_t* manager, int pid);
	-
	-bool php_phongo_client_register(php_phongo_manager_t* manager);
	-bool php_phongo_client_unregister(php_phongo_manager_t* manager);
	-
	-bool php_phongo_manager_register(php_phongo_manager_t* manager);
	-bool php_phongo_manager_unregister(php_phongo_manager_t* manager);
	-
	-#define PHONGO_CE_FINAL(ce) \
	- do { \
	- ce->ce_flags \|= ZEND_ACC_FINAL; \
	- } while (0)
	-
	-#if PHP_VERSION_ID < 80100
	-#define PHONGO_CE_DISABLE_SERIALIZATION(ce) \
	- do { \
	- ce->serialize = zend_class_serialize_deny; \
	- ce->unserialize = zend_class_unserialize_deny; \
	- } while (0)
	-#else
	-#define PHONGO_CE_DISABLE_SERIALIZATION(ce) \
	- do { \
	- ce->ce_flags \|= ZEND_ACC_NOT_SERIALIZABLE; \
	- } while (0)
	-#endif
	-
	-#define PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, size) \
	- do { \
	- if (is_temp) { \
	- ALLOC_HASHTABLE(props); \
	- zend_hash_init((props), (size), NULL, ZVAL_PTR_DTOR, 0); \
	- } else if ((intern)->properties) { \
	- (props) = (intern)->properties; \
	- } else { \
	- ALLOC_HASHTABLE(props); \
	- zend_hash_init((props), (size), NULL, ZVAL_PTR_DTOR, 0); \
	- (intern)->properties = (props); \
	- } \
	- } while (0)
	-
	-#define PHONGO_GET_PROPERTY_HASH_FREE_PROPS(is_temp, props) \
	- do { \
	- if (is_temp) { \
	- zend_hash_destroy((props)); \
	- FREE_HASHTABLE(props); \
	- } \
	- } while (0)
	-
	-#define PHONGO_ZVAL_CLASS_OR_TYPE_NAME(zv) (Z_TYPE(zv) == IS_OBJECT ? ZSTR_VAL(Z_OBJCE(zv)->name) : zend_get_type_by_const(Z_TYPE(zv)))
	-#define PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zvp) PHONGO_ZVAL_CLASS_OR_TYPE_NAME(*(zvp))
	-
	-#define PHONGO_ZVAL_EXCEPTION_NAME(e) (ZSTR_VAL(e->ce->name))
	-
	-#define PHONGO_SET_CREATED_BY_PID(intern) \
	- do { \
	- (intern)->created_by_pid = (int) getpid(); \
	- } while (0)
	-
	-#define PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, manager) \
	- do { \
	- int pid = (int) getpid(); \
	- if ((intern)->created_by_pid != pid) { \
	- php_phongo_client_reset_once((manager), pid); \
	- } \
	- } while (0)
	-
	-#endif /* PHONGO_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/php_phongo_classes.h b/mongodb-1.12.0/php_phongo_classes.h
	deleted file mode 100644
	index cb6b4df6..00000000
	--- a/mongodb-1.12.0/php_phongo_classes.h
	+++ /dev/null
	@@ -1,372 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_CLASSES_H
	-#define PHONGO_CLASSES_H
	-
	-#include "php_phongo_structs.h"
	-
	-/* Export zend_class_entry dependencies, which are initialized in MINIT */
	-extern zend_class_entry* php_phongo_date_immutable_ce;
	-extern zend_class_entry* php_phongo_json_serializable_ce;
	-
	-static inline php_phongo_bulkwrite_t* php_bulkwrite_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_bulkwrite_t) ((char) obj - XtOffsetOf(php_phongo_bulkwrite_t, std));
	-}
	-static inline php_phongo_clientencryption_t* php_clientencryption_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_clientencryption_t) ((char) obj - XtOffsetOf(php_phongo_clientencryption_t, std));
	-}
	-static inline php_phongo_command_t* php_command_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_command_t) ((char) obj - XtOffsetOf(php_phongo_command_t, std));
	-}
	-static inline php_phongo_cursor_t* php_cursor_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_cursor_t) ((char) obj - XtOffsetOf(php_phongo_cursor_t, std));
	-}
	-static inline php_phongo_cursorid_t* php_cursorid_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_cursorid_t) ((char) obj - XtOffsetOf(php_phongo_cursorid_t, std));
	-}
	-static inline php_phongo_manager_t* php_manager_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_manager_t) ((char) obj - XtOffsetOf(php_phongo_manager_t, std));
	-}
	-static inline php_phongo_query_t* php_query_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_query_t) ((char) obj - XtOffsetOf(php_phongo_query_t, std));
	-}
	-static inline php_phongo_readconcern_t* php_readconcern_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_readconcern_t) ((char) obj - XtOffsetOf(php_phongo_readconcern_t, std));
	-}
	-static inline php_phongo_readpreference_t* php_readpreference_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_readpreference_t) ((char) obj - XtOffsetOf(php_phongo_readpreference_t, std));
	-}
	-static inline php_phongo_server_t* php_server_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_server_t) ((char) obj - XtOffsetOf(php_phongo_server_t, std));
	-}
	-static inline php_phongo_serverapi_t* php_serverapi_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_serverapi_t) ((char) obj - XtOffsetOf(php_phongo_serverapi_t, std));
	-}
	-static inline php_phongo_session_t* php_session_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_session_t) ((char) obj - XtOffsetOf(php_phongo_session_t, std));
	-}
	-static inline php_phongo_writeconcern_t* php_writeconcern_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_writeconcern_t) ((char) obj - XtOffsetOf(php_phongo_writeconcern_t, std));
	-}
	-static inline php_phongo_writeconcernerror_t* php_writeconcernerror_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_writeconcernerror_t) ((char) obj - XtOffsetOf(php_phongo_writeconcernerror_t, std));
	-}
	-static inline php_phongo_writeerror_t* php_writeerror_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_writeerror_t) ((char) obj - XtOffsetOf(php_phongo_writeerror_t, std));
	-}
	-static inline php_phongo_writeresult_t* php_writeresult_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_writeresult_t) ((char) obj - XtOffsetOf(php_phongo_writeresult_t, std));
	-}
	-static inline php_phongo_binary_t* php_binary_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_binary_t) ((char) obj - XtOffsetOf(php_phongo_binary_t, std));
	-}
	-static inline php_phongo_dbpointer_t* php_dbpointer_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_dbpointer_t) ((char) obj - XtOffsetOf(php_phongo_dbpointer_t, std));
	-}
	-static inline php_phongo_decimal128_t* php_decimal128_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_decimal128_t) ((char) obj - XtOffsetOf(php_phongo_decimal128_t, std));
	-}
	-static inline php_phongo_int64_t* php_int64_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_int64_t) ((char) obj - XtOffsetOf(php_phongo_int64_t, std));
	-}
	-static inline php_phongo_javascript_t* php_javascript_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_javascript_t) ((char) obj - XtOffsetOf(php_phongo_javascript_t, std));
	-}
	-static inline php_phongo_maxkey_t* php_maxkey_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_maxkey_t) ((char) obj - XtOffsetOf(php_phongo_maxkey_t, std));
	-}
	-static inline php_phongo_minkey_t* php_minkey_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_minkey_t) ((char) obj - XtOffsetOf(php_phongo_minkey_t, std));
	-}
	-static inline php_phongo_objectid_t* php_objectid_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_objectid_t) ((char) obj - XtOffsetOf(php_phongo_objectid_t, std));
	-}
	-static inline php_phongo_regex_t* php_regex_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_regex_t) ((char) obj - XtOffsetOf(php_phongo_regex_t, std));
	-}
	-static inline php_phongo_symbol_t* php_symbol_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_symbol_t) ((char) obj - XtOffsetOf(php_phongo_symbol_t, std));
	-}
	-static inline php_phongo_timestamp_t* php_timestamp_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_timestamp_t) ((char) obj - XtOffsetOf(php_phongo_timestamp_t, std));
	-}
	-static inline php_phongo_undefined_t* php_undefined_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_undefined_t) ((char) obj - XtOffsetOf(php_phongo_undefined_t, std));
	-}
	-static inline php_phongo_utcdatetime_t* php_utcdatetime_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_utcdatetime_t) ((char) obj - XtOffsetOf(php_phongo_utcdatetime_t, std));
	-}
	-static inline php_phongo_commandfailedevent_t* php_commandfailedevent_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_commandfailedevent_t) ((char) obj - XtOffsetOf(php_phongo_commandfailedevent_t, std));
	-}
	-static inline php_phongo_commandstartedevent_t* php_commandstartedevent_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_commandstartedevent_t) ((char) obj - XtOffsetOf(php_phongo_commandstartedevent_t, std));
	-}
	-static inline php_phongo_commandsucceededevent_t* php_commandsucceededevent_fetch_object(zend_object* obj)
	-{
	- return (php_phongo_commandsucceededevent_t) ((char) obj - XtOffsetOf(php_phongo_commandsucceededevent_t, std));
	-}
	-
	-#define Z_CLIENTENCRYPTION_OBJ_P(zv) (php_clientencryption_fetch_object(Z_OBJ_P(zv)))
	-#define Z_COMMAND_OBJ_P(zv) (php_command_fetch_object(Z_OBJ_P(zv)))
	-#define Z_CURSOR_OBJ_P(zv) (php_cursor_fetch_object(Z_OBJ_P(zv)))
	-#define Z_CURSORID_OBJ_P(zv) (php_cursorid_fetch_object(Z_OBJ_P(zv)))
	-#define Z_MANAGER_OBJ_P(zv) (php_manager_fetch_object(Z_OBJ_P(zv)))
	-#define Z_QUERY_OBJ_P(zv) (php_query_fetch_object(Z_OBJ_P(zv)))
	-#define Z_READCONCERN_OBJ_P(zv) (php_readconcern_fetch_object(Z_OBJ_P(zv)))
	-#define Z_READPREFERENCE_OBJ_P(zv) (php_readpreference_fetch_object(Z_OBJ_P(zv)))
	-#define Z_SERVER_OBJ_P(zv) (php_server_fetch_object(Z_OBJ_P(zv)))
	-#define Z_SERVERAPI_OBJ_P(zv) (php_serverapi_fetch_object(Z_OBJ_P(zv)))
	-#define Z_SESSION_OBJ_P(zv) (php_session_fetch_object(Z_OBJ_P(zv)))
	-#define Z_BULKWRITE_OBJ_P(zv) (php_bulkwrite_fetch_object(Z_OBJ_P(zv)))
	-#define Z_WRITECONCERN_OBJ_P(zv) (php_writeconcern_fetch_object(Z_OBJ_P(zv)))
	-#define Z_WRITECONCERNERROR_OBJ_P(zv) (php_writeconcernerror_fetch_object(Z_OBJ_P(zv)))
	-#define Z_WRITEERROR_OBJ_P(zv) (php_writeerror_fetch_object(Z_OBJ_P(zv)))
	-#define Z_WRITERESULT_OBJ_P(zv) (php_writeresult_fetch_object(Z_OBJ_P(zv)))
	-#define Z_BINARY_OBJ_P(zv) (php_binary_fetch_object(Z_OBJ_P(zv)))
	-#define Z_DBPOINTER_OBJ_P(zv) (php_dbpointer_fetch_object(Z_OBJ_P(zv)))
	-#define Z_DECIMAL128_OBJ_P(zv) (php_decimal128_fetch_object(Z_OBJ_P(zv)))
	-#define Z_INT64_OBJ_P(zv) (php_int64_fetch_object(Z_OBJ_P(zv)))
	-#define Z_JAVASCRIPT_OBJ_P(zv) (php_javascript_fetch_object(Z_OBJ_P(zv)))
	-#define Z_MAXKEY_OBJ_P(zv) (php_maxkey_fetch_object(Z_OBJ_P(zv)))
	-#define Z_MINKEY_OBJ_P(zv) (php_minkey_fetch_object(Z_OBJ_P(zv)))
	-#define Z_OBJECTID_OBJ_P(zv) (php_objectid_fetch_object(Z_OBJ_P(zv)))
	-#define Z_REGEX_OBJ_P(zv) (php_regex_fetch_object(Z_OBJ_P(zv)))
	-#define Z_SYMBOL_OBJ_P(zv) (php_symbol_fetch_object(Z_OBJ_P(zv)))
	-#define Z_TIMESTAMP_OBJ_P(zv) (php_timestamp_fetch_object(Z_OBJ_P(zv)))
	-#define Z_UNDEFINED_OBJ_P(zv) (php_undefined_fetch_object(Z_OBJ_P(zv)))
	-#define Z_UTCDATETIME_OBJ_P(zv) (php_utcdatetime_fetch_object(Z_OBJ_P(zv)))
	-#define Z_COMMANDFAILEDEVENT_OBJ_P(zv) (php_commandfailedevent_fetch_object(Z_OBJ_P(zv)))
	-#define Z_COMMANDSTARTEDEVENT_OBJ_P(zv) (php_commandstartedevent_fetch_object(Z_OBJ_P(zv)))
	-#define Z_COMMANDSUCCEEDEDEVENT_OBJ_P(zv) (php_commandsucceededevent_fetch_object(Z_OBJ_P(zv)))
	-
	-#define Z_OBJ_CLIENTENCRYPTION(zo) (php_clientencryption_fetch_object(zo))
	-#define Z_OBJ_COMMAND(zo) (php_command_fetch_object(zo))
	-#define Z_OBJ_CURSOR(zo) (php_cursor_fetch_object(zo))
	-#define Z_OBJ_CURSORID(zo) (php_cursorid_fetch_object(zo))
	-#define Z_OBJ_MANAGER(zo) (php_manager_fetch_object(zo))
	-#define Z_OBJ_QUERY(zo) (php_query_fetch_object(zo))
	-#define Z_OBJ_READCONCERN(zo) (php_readconcern_fetch_object(zo))
	-#define Z_OBJ_READPREFERENCE(zo) (php_readpreference_fetch_object(zo))
	-#define Z_OBJ_SERVER(zo) (php_server_fetch_object(zo))
	-#define Z_OBJ_SERVERAPI(zo) (php_serverapi_fetch_object(zo))
	-#define Z_OBJ_SESSION(zo) (php_session_fetch_object(zo))
	-#define Z_OBJ_BULKWRITE(zo) (php_bulkwrite_fetch_object(zo))
	-#define Z_OBJ_WRITECONCERN(zo) (php_writeconcern_fetch_object(zo))
	-#define Z_OBJ_WRITECONCERNERROR(zo) (php_writeconcernerror_fetch_object(zo))
	-#define Z_OBJ_WRITEERROR(zo) (php_writeerror_fetch_object(zo))
	-#define Z_OBJ_WRITERESULT(zo) (php_writeresult_fetch_object(zo))
	-#define Z_OBJ_BINARY(zo) (php_binary_fetch_object(zo))
	-#define Z_OBJ_DBPOINTER(zo) (php_dbpointer_fetch_object(zo))
	-#define Z_OBJ_DECIMAL128(zo) (php_decimal128_fetch_object(zo))
	-#define Z_OBJ_INT64(zo) (php_int64_fetch_object(zo))
	-#define Z_OBJ_JAVASCRIPT(zo) (php_javascript_fetch_object(zo))
	-#define Z_OBJ_MAXKEY(zo) (php_maxkey_fetch_object(zo))
	-#define Z_OBJ_MINKEY(zo) (php_minkey_fetch_object(zo))
	-#define Z_OBJ_OBJECTID(zo) (php_objectid_fetch_object(zo))
	-#define Z_OBJ_REGEX(zo) (php_regex_fetch_object(zo))
	-#define Z_OBJ_SYMBOL(zo) (php_symbol_fetch_object(zo))
	-#define Z_OBJ_TIMESTAMP(zo) (php_timestamp_fetch_object(zo))
	-#define Z_OBJ_UNDEFINED(zo) (php_undefined_fetch_object(zo))
	-#define Z_OBJ_UTCDATETIME(zo) (php_utcdatetime_fetch_object(zo))
	-#define Z_OBJ_COMMANDFAILEDEVENT(zo) (php_commandfailedevent_fetch_object(zo))
	-#define Z_OBJ_COMMANDSTARTEDEVENT(zo) (php_commandstartedevent_fetch_object(zo))
	-#define Z_OBJ_COMMANDSUCCEEDEDEVENT(zo) (php_commandsucceededevent_fetch_object(zo))
	-
	-extern zend_class_entry* php_phongo_clientencryption_ce;
	-extern zend_class_entry* php_phongo_command_ce;
	-extern zend_class_entry* php_phongo_cursor_ce;
	-extern zend_class_entry* php_phongo_cursorid_ce;
	-extern zend_class_entry* php_phongo_manager_ce;
	-extern zend_class_entry* php_phongo_query_ce;
	-extern zend_class_entry* php_phongo_readconcern_ce;
	-extern zend_class_entry* php_phongo_readpreference_ce;
	-extern zend_class_entry* php_phongo_server_ce;
	-extern zend_class_entry* php_phongo_serverapi_ce;
	-extern zend_class_entry* php_phongo_session_ce;
	-extern zend_class_entry* php_phongo_bulkwrite_ce;
	-extern zend_class_entry* php_phongo_writeconcern_ce;
	-extern zend_class_entry* php_phongo_writeconcernerror_ce;
	-extern zend_class_entry* php_phongo_writeerror_ce;
	-extern zend_class_entry* php_phongo_writeresult_ce;
	-
	-extern zend_class_entry* php_phongo_cursor_interface_ce;
	-
	-extern zend_class_entry* php_phongo_exception_ce;
	-extern zend_class_entry* php_phongo_logicexception_ce;
	-extern zend_class_entry* php_phongo_runtimeexception_ce;
	-extern zend_class_entry* php_phongo_serverexception_ce;
	-extern zend_class_entry* php_phongo_commandexception_ce;
	-extern zend_class_entry* php_phongo_unexpectedvalueexception_ce;
	-extern zend_class_entry* php_phongo_invalidargumentexception_ce;
	-extern zend_class_entry* php_phongo_connectionexception_ce;
	-extern zend_class_entry* php_phongo_authenticationexception_ce;
	-extern zend_class_entry* php_phongo_sslconnectionexception_ce;
	-extern zend_class_entry* php_phongo_encryptionexception_ce;
	-extern zend_class_entry* php_phongo_executiontimeoutexception_ce;
	-extern zend_class_entry* php_phongo_connectiontimeoutexception_ce;
	-extern zend_class_entry* php_phongo_writeexception_ce;
	-extern zend_class_entry* php_phongo_bulkwriteexception_ce;
	-
	-extern zend_class_entry* php_phongo_type_ce;
	-extern zend_class_entry* php_phongo_persistable_ce;
	-extern zend_class_entry* php_phongo_unserializable_ce;
	-extern zend_class_entry* php_phongo_serializable_ce;
	-extern zend_class_entry* php_phongo_binary_ce;
	-extern zend_class_entry* php_phongo_dbpointer_ce;
	-extern zend_class_entry* php_phongo_decimal128_ce;
	-extern zend_class_entry* php_phongo_int64_ce;
	-extern zend_class_entry* php_phongo_javascript_ce;
	-extern zend_class_entry* php_phongo_maxkey_ce;
	-extern zend_class_entry* php_phongo_minkey_ce;
	-extern zend_class_entry* php_phongo_objectid_ce;
	-extern zend_class_entry* php_phongo_regex_ce;
	-extern zend_class_entry* php_phongo_symbol_ce;
	-extern zend_class_entry* php_phongo_timestamp_ce;
	-extern zend_class_entry* php_phongo_undefined_ce;
	-extern zend_class_entry* php_phongo_utcdatetime_ce;
	-
	-extern zend_class_entry* php_phongo_binary_interface_ce;
	-extern zend_class_entry* php_phongo_decimal128_interface_ce;
	-extern zend_class_entry* php_phongo_javascript_interface_ce;
	-extern zend_class_entry* php_phongo_maxkey_interface_ce;
	-extern zend_class_entry* php_phongo_minkey_interface_ce;
	-extern zend_class_entry* php_phongo_objectid_interface_ce;
	-extern zend_class_entry* php_phongo_regex_interface_ce;
	-extern zend_class_entry* php_phongo_timestamp_interface_ce;
	-extern zend_class_entry* php_phongo_utcdatetime_interface_ce;
	-
	-extern zend_class_entry* php_phongo_commandfailedevent_ce;
	-extern zend_class_entry* php_phongo_commandstartedevent_ce;
	-extern zend_class_entry* php_phongo_commandsubscriber_ce;
	-extern zend_class_entry* php_phongo_commandsucceededevent_ce;
	-extern zend_class_entry* php_phongo_subscriber_ce;
	-
	-extern void php_phongo_binary_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_dbpointer_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_decimal128_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_int64_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_javascript_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_maxkey_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_minkey_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_objectid_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_persistable_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_regex_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_serializable_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_symbol_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_timestamp_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_type_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_undefined_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_unserializable_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_utcdatetime_init_ce(INIT_FUNC_ARGS);
	-
	-extern void php_phongo_binary_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_decimal128_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_javascript_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_maxkey_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_minkey_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_objectid_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_regex_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_timestamp_interface_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_utcdatetime_interface_init_ce(INIT_FUNC_ARGS);
	-
	-extern void php_phongo_bulkwrite_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_clientencryption_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_command_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_cursor_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_cursorid_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_manager_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_query_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_readconcern_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_readpreference_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_server_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_serverapi_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_session_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_writeconcern_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_writeconcernerror_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_writeerror_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_writeresult_init_ce(INIT_FUNC_ARGS);
	-
	-extern void php_phongo_cursor_interface_init_ce(INIT_FUNC_ARGS);
	-
	-extern void php_phongo_authenticationexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_bulkwriteexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_commandexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_connectionexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_connectiontimeoutexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_encryptionexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_exception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_executiontimeoutexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_invalidargumentexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_logicexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_runtimeexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_serverexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_sslconnectionexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_unexpectedvalueexception_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_writeexception_init_ce(INIT_FUNC_ARGS);
	-
	-extern void php_phongo_commandfailedevent_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_commandstartedevent_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_commandsubscriber_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_commandsucceededevent_init_ce(INIT_FUNC_ARGS);
	-extern void php_phongo_subscriber_init_ce(INIT_FUNC_ARGS);
	-
	-/* Shared function entries for disabling constructors and unserialize() */
	-PHP_FUNCTION(MongoDB_disabled___construct);
	-PHP_FUNCTION(MongoDB_disabled___wakeup);
	-
	-#endif /* PHONGO_CLASSES_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/php_phongo_structs.h b/mongodb-1.12.0/php_phongo_structs.h
	deleted file mode 100644
	index e7c8ec20..00000000
	--- a/mongodb-1.12.0/php_phongo_structs.h
	+++ /dev/null
	@@ -1,290 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_STRUCTS_H
	-#define PHONGO_STRUCTS_H
	-
	-#include <php.h>
	-
	-#include "php_bson.h"
	-
	-typedef struct {
	- mongoc_bulk_operation_t* bulk;
	- size_t num_ops;
	- bool ordered;
	- int bypass;
	- char* database;
	- char* collection;
	- bool executed;
	- zval session;
	- zend_object std;
	-} php_phongo_bulkwrite_t;
	-
	-typedef struct {
	- mongoc_client_encryption_t* client_encryption;
	- zval key_vault_client_manager;
	- zend_object std;
	-} php_phongo_clientencryption_t;
	-
	-typedef struct {
	- bson_t* bson;
	- uint32_t max_await_time_ms;
	- uint32_t batch_size;
	- zend_object std;
	-} php_phongo_command_t;
	-
	-typedef struct {
	- mongoc_cursor_t* cursor;
	- zval manager;
	- int created_by_pid;
	- uint32_t server_id;
	- bool advanced;
	- php_phongo_bson_state visitor_data;
	- long current;
	- char* database;
	- char* collection;
	- zval query;
	- zval command;
	- zval read_preference;
	- zval session;
	- zend_object std;
	-} php_phongo_cursor_t;
	-
	-typedef struct {
	- bool initialized;
	- int64_t id;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_cursorid_t;
	-
	-typedef struct {
	- mongoc_client_t* client;
	- int created_by_pid;
	- char* client_hash;
	- size_t client_hash_len;
	- bool use_persistent_client;
	- zval key_vault_client_manager;
	- HashTable* subscribers;
	- zend_object std;
	-} php_phongo_manager_t;
	-
	-typedef struct {
	- bson_t* filter;
	- bson_t* opts;
	- mongoc_read_concern_t* read_concern;
	- uint32_t max_await_time_ms;
	- zend_object std;
	-} php_phongo_query_t;
	-
	-typedef struct {
	- mongoc_read_concern_t* read_concern;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_readconcern_t;
	-
	-typedef struct {
	- mongoc_read_prefs_t* read_preference;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_readpreference_t;
	-
	-typedef struct {
	- zval manager;
	- int created_by_pid;
	- uint32_t server_id;
	- zend_object std;
	-} php_phongo_server_t;
	-
	-typedef struct {
	- mongoc_server_api_t* server_api;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_serverapi_t;
	-
	-typedef struct {
	- mongoc_client_session_t* client_session;
	- zval manager;
	- int created_by_pid;
	- zend_object std;
	-} php_phongo_session_t;
	-
	-typedef struct {
	- HashTable* properties;
	- mongoc_write_concern_t* write_concern;
	- zend_object std;
	-} php_phongo_writeconcern_t;
	-
	-typedef struct {
	- int code;
	- char* message;
	- zval info;
	- zend_object std;
	-} php_phongo_writeconcernerror_t;
	-
	-typedef struct {
	- int code;
	- char* message;
	- zval info;
	- uint32_t index;
	- zend_object std;
	-} php_phongo_writeerror_t;
	-
	-typedef struct {
	- mongoc_write_concern_t* write_concern;
	- bson_t* reply;
	- zval manager;
	- uint32_t server_id;
	- zend_object std;
	-} php_phongo_writeresult_t;
	-
	-typedef struct {
	- char* data;
	- int data_len;
	- uint8_t type;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_binary_t;
	-
	-typedef struct {
	- char* ref;
	- size_t ref_len;
	- char id[25];
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_dbpointer_t;
	-
	-typedef struct {
	- bool initialized;
	- bson_decimal128_t decimal;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_decimal128_t;
	-
	-typedef struct {
	- bool initialized;
	- int64_t integer;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_int64_t;
	-
	-typedef struct {
	- char* code;
	- size_t code_len;
	- bson_t* scope;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_javascript_t;
	-
	-typedef struct {
	- zend_object std;
	-} php_phongo_maxkey_t;
	-
	-typedef struct {
	- zend_object std;
	-} php_phongo_minkey_t;
	-
	-typedef struct {
	- bool initialized;
	- char oid[25];
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_objectid_t;
	-
	-typedef struct {
	- char* pattern;
	- int pattern_len;
	- char* flags;
	- int flags_len;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_regex_t;
	-
	-typedef struct {
	- char* symbol;
	- size_t symbol_len;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_symbol_t;
	-
	-typedef struct {
	- bool initialized;
	- uint32_t increment;
	- uint32_t timestamp;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_timestamp_t;
	-
	-typedef struct {
	- zend_object std;
	-} php_phongo_undefined_t;
	-
	-typedef struct {
	- bool initialized;
	- int64_t milliseconds;
	- HashTable* properties;
	- zend_object std;
	-} php_phongo_utcdatetime_t;
	-
	-typedef struct {
	- zval manager;
	- char* command_name;
	- uint32_t server_id;
	- uint64_t operation_id;
	- uint64_t request_id;
	- uint64_t duration_micros;
	- bson_t* reply;
	- zval z_error;
	- bool has_service_id;
	- bson_oid_t service_id;
	- zend_object std;
	-} php_phongo_commandfailedevent_t;
	-
	-typedef struct {
	- zval manager;
	- char* command_name;
	- uint32_t server_id;
	- uint64_t operation_id;
	- uint64_t request_id;
	- bson_t* command;
	- char* database_name;
	- bool has_service_id;
	- bson_oid_t service_id;
	- zend_object std;
	-} php_phongo_commandstartedevent_t;
	-
	-typedef struct {
	- zval manager;
	- char* command_name;
	- uint32_t server_id;
	- uint64_t operation_id;
	- uint64_t request_id;
	- uint64_t duration_micros;
	- bson_t* reply;
	- bool has_service_id;
	- bson_oid_t service_id;
	- zend_object std;
	-} php_phongo_commandsucceededevent_t;
	-
	-#endif /* PHONGO_STRUCTS */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/scripts/autotools/libbson/FindDependencies.m4 b/mongodb-1.12.0/scripts/autotools/libbson/FindDependencies.m4
	deleted file mode 100644
	index bf93ca1c..00000000
	--- a/mongodb-1.12.0/scripts/autotools/libbson/FindDependencies.m4
	+++ /dev/null
	@@ -1,117 +0,0 @@
	-# Check for strnlen()
	-dnl AC_CHECK_FUNC isn't properly respecting _XOPEN_SOURCE for strnlen for unknown reason
	-AC_SUBST(BSON_HAVE_STRNLEN, 0)
	-AC_CACHE_CHECK([for strnlen],
	- bson_cv_have_strnlen,
	- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	-#include <string.h>
	-int strnlen () { return 0; }
	-]])],
	- [bson_cv_have_strnlen=no],
	- [bson_cv_have_strnlen=yes])])
	-if test "$bson_cv_have_strnlen" = yes; then
	- AC_SUBST(BSON_HAVE_STRNLEN, 1)
	-fi
	-
	-# Check for reallocf() (BSD/Darwin)
	-AC_SUBST(BSON_HAVE_REALLOCF, 0)
	-AC_CACHE_CHECK([for reallocf],
	- bson_cv_have_reallocf,
	- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	-#include <stdlib.h>
	-int reallocf () { return 0; }
	-]])],
	- [bson_cv_have_reallocf=no],
	- [bson_cv_have_reallocf=yes])])
	-if test "$bson_cv_have_reallocf" = yes; then
	- AC_SUBST(BSON_HAVE_REALLOCF, 1)
	-fi
	-
	-# Check for syscall()
	-AC_SUBST(BSON_HAVE_SYSCALL_TID, 0)
	-AC_CACHE_CHECK([for syscall],
	- bson_cv_have_syscall_tid,
	- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	-#include <unistd.h>
	-#include <sys/syscall.h>
	-int syscall () { return 0; }
	-]])],
	- [bson_cv_have_syscall_tid=no],
	- [bson_cv_have_syscall_tid=yes])])
	-if test "$bson_cv_have_syscall_tid" = yes -a "$os_darwin" != "yes"; then
	- AC_CACHE_CHECK([for SYS_gettid],
	- bson_cv_have_sys_gettid_tid,
	- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	-#include <unistd.h>
	-#include <sys/syscall.h>
	-int gettid () { return SYS_gettid; }
	- ]])],
	- [bson_cv_have_sys_gettid_tid=yes],
	- [bson_cv_have_sys_gettid_tid=no])])
	- if test "$bson_cv_have_sys_gettid_tid" = yes; then
	- AC_SUBST(BSON_HAVE_SYSCALL_TID, 1)
	- fi
	-fi
	-
	-# Check for snprintf()
	-AC_SUBST(BSON_HAVE_SNPRINTF, 0)
	-AC_CHECK_FUNC(snprintf, [AC_SUBST(BSON_HAVE_SNPRINTF, 1)])
	-
	-# Check for strlcpy()
	-AC_SUBST(BSON_HAVE_STRLCPY, 0)
	-AC_CHECK_FUNC(strlcpy, [AC_SUBST(BSON_HAVE_STRLCPY, 1)])
	-
	-# Check for struct timespec
	-AC_SUBST(BSON_HAVE_TIMESPEC, 0)
	-AC_CHECK_TYPE([struct timespec], [AC_SUBST(BSON_HAVE_TIMESPEC, 1)], [], [#include <time.h>])
	-
	-# Check for clock_gettime and if it needs -lrt
	-AC_SUBST(BSON_HAVE_CLOCK_GETTIME, 0)
	-AC_SEARCH_LIBS([clock_gettime], [rt], [AC_SUBST(BSON_HAVE_CLOCK_GETTIME, 1)])
	-# Check if math functions need -lm
	-AC_SEARCH_LIBS([floor], [m])
	-
	-# Check for gmtime_r()
	-AC_SUBST(BSON_HAVE_GMTIME_R, 0)
	-AC_CHECK_FUNC(gmtime_r, [AC_SUBST(BSON_HAVE_GMTIME_R, 1)])
	-
	-# Check for rand_r()
	-AC_SUBST(BSON_HAVE_RAND_R, 0)
	-AC_CHECK_FUNC(rand_r, [AC_SUBST(BSON_HAVE_RAND_R, 1)])
	-
	-# Check for pthreads. We might need to make this better to handle mingw,
	-# but I actually think it is okay to just check for it even though we will
	-# use win32 primatives.
	-AX_PTHREAD([
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PTHREAD_CFLAGS"
	- PHP_EVAL_LIBLINE([$PTHREAD_LIBS],[MONGODB_SHARED_LIBADD])
	-
	- # PTHREAD_CFLAGS may come back as "-pthread", which should also be used when
	- # linking. We can trust PHP_EVAL_LIBLINE to ignore other values.
	- PHP_EVAL_LIBLINE([$PTHREAD_CFLAGS],[MONGODB_SHARED_LIBADD])
	-],[
	- AC_MSG_ERROR([libbson requires pthreads on non-Windows platforms.])
	-])
	-
	-
	-# The following is borrowed from the guile configure script.
	-#
	-# On past versions of Solaris, believe 8 through 10 at least, you
	-# had to write "pthread_once_t foo = { PTHREAD_ONCE_INIT };".
	-# This is contrary to POSIX:
	-# http://www.opengroup.org/onlinepubs/000095399/functions/pthread_once.html
	-# Check here if this style is required.
	-#
	-# glibc (2.3.6 at least) works both with or without braces, so the
	-# test checks whether it works without.
	-#
	-AC_SUBST(BSON_PTHREAD_ONCE_INIT_NEEDS_BRACES, 0)
	-AC_CACHE_CHECK([whether PTHREAD_ONCE_INIT needs braces],
	- bson_cv_need_braces_on_pthread_once_init,
	- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>
	- pthread_once_t foo = PTHREAD_ONCE_INIT;]])],
	- [bson_cv_need_braces_on_pthread_once_init=no],
	- [bson_cv_need_braces_on_pthread_once_init=yes])])
	-if test "$bson_cv_need_braces_on_pthread_once_init" = yes; then
	- AC_SUBST(BSON_PTHREAD_ONCE_INIT_NEEDS_BRACES, 1)
	-fi
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/CheckCompression.m4 b/mongodb-1.12.0/scripts/autotools/libmongoc/CheckCompression.m4
	deleted file mode 100644
	index 395ccd66..00000000
	--- a/mongodb-1.12.0/scripts/autotools/libmongoc/CheckCompression.m4
	+++ /dev/null
	@@ -1,93 +0,0 @@
	-found_snappy="no"
	-found_zlib="no"
	-bundled_zlib="no"
	-found_zstd="no"
	-
	-PKG_CHECK_MODULES([PHP_MONGODB_SNAPPY],[snappy],[
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_SNAPPY_CFLAGS"
	- PHP_EVAL_LIBLINE([$PHP_MONGODB_SNAPPY_LIBS],[MONGODB_SHARED_LIBADD])
	- found_snappy="yes"
	-],[
	- PHP_CHECK_LIBRARY([snappy],
	- [snappy_uncompress],
	- [have_snappy_lib="yes"],
	- [have_snappy_lib="no"])
	-
	- AC_CHECK_HEADER([snappy-c.h],
	- [have_snappy_headers=yes],
	- [have_snappy_headers=no])
	-
	- if test "$have_snappy_lib" = "yes" -a "$have_snappy_headers" = "yes"; then
	- PHP_ADD_LIBRARY([snappy],,[MONGODB_SHARED_LIBADD])
	- found_snappy="yes"
	- fi
	-])
	-
	-PKG_CHECK_MODULES([PHP_MONGODB_ZLIB],[zlib],[
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_ZLIB_CFLAGS"
	- PHP_EVAL_LIBLINE([$PHP_MONGODB_ZLIB_LIBS],[MONGODB_SHARED_LIBADD])
	- found_zlib="yes"
	-],[
	- PHP_CHECK_LIBRARY([zlib],
	- [compress2],
	- [have_zlib_lib="yes"],
	- [have_zlib_lib="no"])
	-
	- AC_CHECK_HEADER([zlib.h],
	- [have_zlib_headers=yes],
	- [have_zlib_headers=no])
	-
	- if test "$have_zlib_lib" = "yes" -a "$have_zlib_headers" = "yes"; then
	- PHP_ADD_LIBRARY([z],,[MONGODB_SHARED_LIBADD])
	- found_zlib="yes"
	- fi
	-])
	-
	-dnl If zlib was not found, use libmongoc's bundled version
	-AS_IF([test "$found_zlib" != "yes"],[
	- bundled_zlib="yes"
	-])
	-
	-PKG_CHECK_MODULES([PHP_MONGODB_ZSTD],[libzstd],[
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_ZSTD_CFLAGS"
	- PHP_EVAL_LIBLINE([$PHP_MONGODB_ZSTD_LIBS],[MONGODB_SHARED_LIBADD])
	- found_zstd="yes"
	-],[
	- PHP_CHECK_LIBRARY([zstd],
	- [ZSTD_compress],
	- [have_zstd_lib="yes"],
	- [have_zstd_lib="no"])
	-
	- AC_CHECK_HEADER([zstd.h],
	- [have_zstd_headers=yes],
	- [have_zstd_headers=no])
	-
	- if test "$have_zstd_lib" = "yes" -a "$have_zstd_headers" = "yes"; then
	- PHP_ADD_LIBRARY([zstd],,[MONGODB_SHARED_LIBADD])
	- found_zstd="yes"
	- fi
	-])
	-
	-if test "$found_snappy" = "yes" -o "$found_zlib" = "yes" -o "$bundled_zlib" = "yes" -o "$found_zstd" = "yes"; then
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION, 1)
	- if test "$found_snappy" = "yes"; then
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_SNAPPY, 1)
	- else
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_SNAPPY, 0)
	- fi
	- if test "$found_zlib" = "yes" -o "$bundled_zlib" = "yes"; then
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZLIB, 1)
	- else
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZLIB, 0)
	- fi
	- if test "$found_zstd" = "yes"; then
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZSTD, 1)
	- else
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZSTD, 0)
	- fi
	-else
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION, 0)
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_SNAPPY, 0)
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZLIB, 0)
	- AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZSTD, 0)
	-fi
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/FindDependencies.m4 b/mongodb-1.12.0/scripts/autotools/libmongoc/FindDependencies.m4
	deleted file mode 100644
	index 0f50fc27..00000000
	--- a/mongodb-1.12.0/scripts/autotools/libmongoc/FindDependencies.m4
	+++ /dev/null
	@@ -1,45 +0,0 @@
	-# Solaris needs to link against socket libs
	-if test "$os_solaris" = "yes"; then
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS -D__EXTENSIONS__"
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS -D_XOPEN_SOURCE=1"
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
	- PHP_ADD_LIBRARY([socket],,[MONGODB_SHARED_LIBADD])
	- PHP_ADD_LIBRARY([nsl],,[MONGODB_SHARED_LIBADD])
	-fi
	-
	-# Check for shm functions
	-AC_CHECK_FUNCS([shm_open],[],[
	- AC_CHECK_LIB([rt],
	- [shm_open],
	- [PHP_ADD_LIBRARY([rt],,[MONGODB_SHARED_LIBADD])],
	- [])
	-])
	-
	-# Check for sched_getcpu
	-AC_CHECK_FUNC([sched_getcpu],
	- [AC_SUBST(MONGOC_HAVE_SCHED_GETCPU, 1)],
	- [AC_SUBST(MONGOC_HAVE_SCHED_GETCPU, 0)])
	-
	-AC_CHECK_TYPE([socklen_t],
	- [AC_SUBST(MONGOC_HAVE_SOCKLEN, 1)],
	- [AC_SUBST(MONGOC_HAVE_SOCKLEN, 0)],
	- [#include <sys/socket.h>])
	-
	-AC_CHECK_MEMBER([struct sockaddr_storage.ss_family],
	- [AC_SUBST(MONGOC_HAVE_SS_FAMILY, 1)],
	- [AC_SUBST(MONGOC_HAVE_SS_FAMILY, 0)],
	- [#include <sys/socket.h>])
	-
	-# Check for pthreads. libmongoc's original FindDependencies.m4 script did not
	-# require pthreads, but it does appear to be necessary on non-Windows platforms
	-# based on mongoc-openssl.c and mongoc-thread-private.h.
	-AX_PTHREAD([
	- PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PTHREAD_CFLAGS"
	- PHP_EVAL_LIBLINE([$PTHREAD_LIBS],[MONGODB_SHARED_LIBADD])
	-
	- # PTHREAD_CFLAGS may come back as "-pthread", which should also be used when
	- # linking. We can trust PHP_EVAL_LIBLINE to ignore other values.
	- PHP_EVAL_LIBLINE([$PTHREAD_CFLAGS],[MONGODB_SHARED_LIBADD])
	-],[
	- AC_MSG_ERROR([libmongoc requires pthreads on non-Windows platforms.])
	-])
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/PlatformFlags.m4 b/mongodb-1.12.0/scripts/autotools/libmongoc/PlatformFlags.m4
	deleted file mode 100644
	index ae3420f8..00000000
	--- a/mongodb-1.12.0/scripts/autotools/libmongoc/PlatformFlags.m4
	+++ /dev/null
	@@ -1,15 +0,0 @@
	-dnl Ignore OpenSSL deprecation warnings on OSX
	-AS_IF([test "$os_darwin" = "yes"],
	- [AX_CHECK_COMPILE_FLAG([-Wno-deprecated-declarations], [STD_CFLAGS="$STD_CFLAGS -Wno-deprecated-declarations"])])
	-dnl We know there are some cast-align issues on OSX
	-AS_IF([test "$os_darwin" = "yes"],
	- [AX_CHECK_COMPILE_FLAG([-Wno-cast-align], [STD_CFLAGS="$STD_CFLAGS -Wno-cast-align"])])
	-AS_IF([test "$os_darwin" = "yes"],
	- [AX_CHECK_COMPILE_FLAG([-Wno-unneeded-internal-declaration], [STD_CFLAGS="$STD_CFLAGS -Wno-unneeded-internal-declaration"])])
	-AS_IF([test "$os_darwin" = "yes"],
	- [AX_CHECK_COMPILE_FLAG([-Wno-error=unused-command-line-argument], [STD_CFLAGS="$STD_CFLAGS -Wno-error=unused-command-line-argument"])])
	-dnl We know there are some cast-align issues on Solaris
	-AS_IF([test "$os_solaris" = "yes"],
	- [AX_CHECK_COMPILE_FLAG([-Wno-cast-align], [STD_CFLAGS="$STD_CFLAGS -Wno-cast-align"])])
	-
	-
	diff --git a/mongodb-1.12.0/src/BSON/Binary.c b/mongodb-1.12.0/src/BSON/Binary.c
	deleted file mode 100644
	index b8c875fe..00000000
	--- a/mongodb-1.12.0/src/BSON/Binary.c
	+++ /dev/null
	@@ -1,493 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <ext/standard/base64.h>
	-#include <Zend/zend_interfaces.h>
	-#include <Zend/zend_operators.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-#define PHONGO_BINARY_UUID_SIZE 16
	-
	-zend_class_entry* php_phongo_binary_ce;
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_binary_init(php_phongo_binary_t* intern, const char* data, size_t data_len, zend_long type) /* {{{ */
	-{
	- if (type < 0 \|\| type > UINT8_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected type to be an unsigned 8-bit integer, %" PHONGO_LONG_FORMAT " given", type);
	- return false;
	- }
	-
	- if ((type == BSON_SUBTYPE_UUID_DEPRECATED \|\| type == BSON_SUBTYPE_UUID) && data_len != PHONGO_BINARY_UUID_SIZE) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected UUID length to be %d bytes, %d given", PHONGO_BINARY_UUID_SIZE, data_len);
	- return false;
	- }
	-
	- intern->data = estrndup(data, data_len);
	- intern->data_len = data_len;
	- intern->type = (uint8_t) type;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_binary_init_from_hash(php_phongo_binary_t* intern, HashTable* props) /* {{{ */
	-{
	- zval data, type;
	-
	- if ((data = zend_hash_str_find(props, "data", sizeof("data") - 1)) && Z_TYPE_P(data) == IS_STRING &&
	- (type = zend_hash_str_find(props, "type", sizeof("type") - 1)) && Z_TYPE_P(type) == IS_LONG) {
	-
	- return php_phongo_binary_init(intern, Z_STRVAL_P(data), Z_STRLEN_P(data), Z_LVAL_P(type));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"data\" string and \"type\" integer fields", ZSTR_VAL(php_phongo_binary_ce->name));
	- return false;
	-} /* }}} */
	-
	-static HashTable* php_phongo_binary_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_binary_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_BINARY(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->data) {
	- return props;
	- }
	-
	- {
	- zval data, type;
	-
	- ZVAL_STRINGL(&data, intern->data, intern->data_len);
	- zend_hash_str_update(props, "data", sizeof("data") - 1, &data);
	-
	- ZVAL_LONG(&type, intern->type);
	- zend_hash_str_update(props, "type", sizeof("type") - 1, &type);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Binary::__construct(string $data, int $type)
	- Construct a new BSON binary type */
	-static PHP_METHOD(Binary, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	- char* data;
	- size_t data_len;
	- zend_long type;
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sl", &data, &data_len, &type) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_binary_init(intern, data, data_len, type);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Binary MongoDB\BSON\Binary::__set_state(array $properties)
	-*/
	-static PHP_METHOD(Binary, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_binary_ce);
	-
	- intern = Z_BINARY_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_binary_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Binary::__toString()
	- Return the Binary's data string. */
	-static PHP_METHOD(Binary, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- RETURN_STRINGL(intern->data, intern->data_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Binary::getData()
	-*/
	-static PHP_METHOD(Binary, getData)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRINGL(intern->data, intern->data_len);
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\BSON\Binary::getType()
	-*/
	-static PHP_METHOD(Binary, getType)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->type);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Binary::jsonSerialize()
	-*/
	-static PHP_METHOD(Binary, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	- char type[3];
	- int type_len;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- array_init_size(return_value, 2);
	-
	- {
	- zend_string* data = php_base64_encode((unsigned char*) intern->data, intern->data_len);
	- ADD_ASSOC_STRINGL(return_value, "$binary", ZSTR_VAL(data), ZSTR_LEN(data));
	- zend_string_free(data);
	- }
	-
	- type_len = snprintf(type, sizeof(type), "%02x", intern->type);
	- ADD_ASSOC_STRINGL(return_value, "$type", type, type_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Binary::serialize()
	-*/
	-static PHP_METHOD(Binary, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(&retval, 2);
	- ADD_ASSOC_STRINGL(&retval, "data", intern->data, intern->data_len);
	- ADD_ASSOC_LONG_EX(&retval, "type", intern->type);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Binary::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Binary, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_binary_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_BINARY_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_binary_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_binary_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Binary::__serialize()
	-*/
	-static PHP_METHOD(Binary, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_binary_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Binary::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Binary, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_binary_init_from_hash(Z_BINARY_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Binary function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Binary___construct, 0, 0, 2)
	- ZEND_ARG_INFO(0, data)
	- ZEND_ARG_INFO(0, type)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Binary___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Binary___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Binary___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Binary_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Binary_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Binary_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_binary_me[] = {
	- PHP_ME(Binary, __construct, ai_Binary___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, __serialize, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, __set_state, ai_Binary___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(Binary, __toString, ai_Binary___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, __unserialize, ai_Binary___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, jsonSerialize, ai_Binary_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, serialize, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, unserialize, ai_Binary_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, getData, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Binary, getType, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Binary object handlers */
	-static zend_object_handlers php_phongo_handler_binary;
	-
	-static void php_phongo_binary_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_binary_t* intern = Z_OBJ_BINARY(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->data) {
	- efree(intern->data);
	- }
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_binary_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_binary_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_binary_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_binary;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_binary_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_binary_t* intern;
	- php_phongo_binary_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_BINARY(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_binary_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_BINARY(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_binary_init(new_intern, intern->data, intern->data_len, intern->type);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_binary_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_binary_t intern1, intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_BINARY_OBJ_P(o1);
	- intern2 = Z_BINARY_OBJ_P(o2);
	-
	- /* MongoDB compares binary types first by the data length, then by the type
	- * byte, and finally by the binary data itself. */
	- if (intern1->data_len != intern2->data_len) {
	- return intern1->data_len < intern2->data_len ? -1 : 1;
	- }
	-
	- if (intern1->type != intern2->type) {
	- return intern1->type < intern2->type ? -1 : 1;
	- }
	-
	- return zend_binary_strcmp(intern1->data, intern1->data_len, intern2->data, intern2->data_len);
	-} /* }}} */
	-
	-static HashTable* php_phongo_binary_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_binary_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_binary_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_binary_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_binary_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Binary", php_phongo_binary_me);
	- php_phongo_binary_ce = zend_register_internal_class(&ce);
	- php_phongo_binary_ce->create_object = php_phongo_binary_create_object;
	- PHONGO_CE_FINAL(php_phongo_binary_ce);
	-
	- zend_class_implements(php_phongo_binary_ce, 1, php_phongo_binary_interface_ce);
	- zend_class_implements(php_phongo_binary_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_binary_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_binary_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_binary_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_binary, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(binary);
	- php_phongo_handler_binary.clone_obj = php_phongo_binary_clone_object;
	- php_phongo_handler_binary.get_debug_info = php_phongo_binary_get_debug_info;
	- php_phongo_handler_binary.get_properties = php_phongo_binary_get_properties;
	- php_phongo_handler_binary.free_obj = php_phongo_binary_free_object;
	- php_phongo_handler_binary.offset = XtOffsetOf(php_phongo_binary_t, std);
	-
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_GENERIC"), BSON_SUBTYPE_BINARY);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_FUNCTION"), BSON_SUBTYPE_FUNCTION);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_OLD_BINARY"), BSON_SUBTYPE_BINARY_DEPRECATED);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_OLD_UUID"), BSON_SUBTYPE_UUID_DEPRECATED);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_UUID"), BSON_SUBTYPE_UUID);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_MD5"), BSON_SUBTYPE_MD5);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_ENCRYPTED"), BSON_SUBTYPE_ENCRYPTED);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_COLUMN"), BSON_SUBTYPE_COLUMN);
	- zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_USER_DEFINED"), BSON_SUBTYPE_USER);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/BinaryInterface.c b/mongodb-1.12.0/src/BSON/BinaryInterface.c
	deleted file mode 100644
	index eb2921d9..00000000
	--- a/mongodb-1.12.0/src/BSON/BinaryInterface.c
	+++ /dev/null
	@@ -1,60 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_binary_interface_ce;
	-
	-/* {{{ MongoDB\BSON\BinaryInterface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_BinaryInterface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_BinaryInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_binary_interface_me[] = {
	- ZEND_ABSTRACT_ME(BinaryInterface, getData, ai_BinaryInterface_void)
	- ZEND_ABSTRACT_ME(BinaryInterface, getType, ai_BinaryInterface_void)
	- ZEND_ABSTRACT_ME(BinaryInterface, __toString, ai_BinaryInterface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_binary_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "BinaryInterface", php_phongo_binary_interface_me);
	- php_phongo_binary_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/DBPointer.c b/mongodb-1.12.0/src/BSON/DBPointer.c
	deleted file mode 100644
	index e8c6ed3f..00000000
	--- a/mongodb-1.12.0/src/BSON/DBPointer.c
	+++ /dev/null
	@@ -1,383 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_dbpointer_ce;
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_dbpointer_init(php_phongo_dbpointer_t* intern, const char* ref, size_t ref_len, const char* id, size_t id_len) /* {{{ */
	-{
	- if (strlen(ref) != (size_t) ref_len) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Ref cannot contain null bytes");
	- return false;
	- }
	-
	- if (!bson_oid_is_valid(id, id_len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing ObjectId string: %s", id);
	- return false;
	- }
	-
	- intern->ref = estrndup(ref, ref_len);
	- intern->ref_len = ref_len;
	-
	- memset(intern->id, 0, sizeof(intern->id));
	- strncpy(intern->id, id, sizeof(intern->id) - 1);
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_dbpointer_init_from_hash(php_phongo_dbpointer_t* intern, HashTable* props) /* {{{ */
	-{
	- zval ref, id;
	-
	- if ((ref = zend_hash_str_find(props, "ref", sizeof("ref") - 1)) && Z_TYPE_P(ref) == IS_STRING &&
	- (id = zend_hash_str_find(props, "id", sizeof("id") - 1)) && Z_TYPE_P(id) == IS_STRING) {
	-
	- return php_phongo_dbpointer_init(intern, Z_STRVAL_P(ref), Z_STRLEN_P(ref), Z_STRVAL_P(id), Z_STRLEN_P(id));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"ref\" and \"id\" string fields", ZSTR_VAL(php_phongo_dbpointer_ce->name));
	- return false;
	-} /* }}} */
	-
	-HashTable* php_phongo_dbpointer_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_dbpointer_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_DBPOINTER(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->ref) {
	- return props;
	- }
	-
	- {
	- zval ref, id;
	-
	- ZVAL_STRING(&ref, intern->ref);
	- ZVAL_STRING(&id, intern->id);
	- zend_hash_str_update(props, "ref", sizeof("ref") - 1, &ref);
	- zend_hash_str_update(props, "id", sizeof("id") - 1, &id);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\DBPointer::__toString()
	- Return the DBPointer's namespace string and ObjectId. */
	-static PHP_METHOD(DBPointer, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_dbpointer_t* intern;
	- char* retval;
	- int retval_len;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_DBPOINTER_OBJ_P(getThis());
	-
	- retval_len = spprintf(&retval, 0, "[%s/%s]", intern->ref, intern->id);
	- RETVAL_STRINGL(retval, retval_len);
	- efree(retval);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Symbol::jsonSerialize()
	-*/
	-static PHP_METHOD(DBPointer, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_dbpointer_t* intern;
	- zval zdb_pointer;
	- zval zoid;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_DBPOINTER_OBJ_P(getThis());
	-
	- array_init_size(&zdb_pointer, 2);
	- array_init_size(&zoid, 1);
	- ADD_ASSOC_STRINGL(&zdb_pointer, "$ref", intern->ref, intern->ref_len);
	- ADD_ASSOC_STRING(&zoid, "$oid", intern->id);
	- ADD_ASSOC_ZVAL(&zdb_pointer, "$id", &zoid);
	-
	- array_init_size(return_value, 1);
	- ADD_ASSOC_ZVAL(return_value, "$dbPointer", &zdb_pointer);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\DBPointer::serialize()
	-*/
	-static PHP_METHOD(DBPointer, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_dbpointer_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_DBPOINTER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(&retval, 2);
	- ADD_ASSOC_STRINGL(&retval, "ref", intern->ref, intern->ref_len);
	- ADD_ASSOC_STRING(&retval, "id", intern->id);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\DBPointer::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(DBPointer, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_dbpointer_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_DBPOINTER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_dbpointer_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_dbpointer_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\DBPointer::__serialize()
	-*/
	-static PHP_METHOD(DBPointer, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_dbpointer_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\DBPointer::__unserialize(array $data)
	-*/
	-static PHP_METHOD(DBPointer, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_dbpointer_init_from_hash(Z_DBPOINTER_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\DBPointer function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_DBPointer___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_DBPointer___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_DBPointer_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_DBPointer_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_DBPointer_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_dbpointer_me[] = {
	- /* __set_state intentionally missing */
	- PHP_ME(DBPointer, __serialize, ai_DBPointer_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(DBPointer, __toString, ai_DBPointer___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(DBPointer, __unserialize, ai_DBPointer___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(DBPointer, jsonSerialize, ai_DBPointer_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(DBPointer, serialize, ai_DBPointer_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(DBPointer, unserialize, ai_DBPointer_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_DBPointer_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\DBPointer object handlers */
	-static zend_object_handlers php_phongo_handler_dbpointer;
	-
	-static void php_phongo_dbpointer_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_dbpointer_t* intern = Z_OBJ_DBPOINTER(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->ref) {
	- efree(intern->ref);
	- }
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-zend_object* php_phongo_dbpointer_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_dbpointer_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_dbpointer_t, class_type);
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_dbpointer;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_dbpointer_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_dbpointer_t* intern;
	- php_phongo_dbpointer_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_DBPOINTER(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_dbpointer_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_DBPOINTER(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_dbpointer_init(new_intern, intern->ref, intern->ref_len, intern->id, 24);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_dbpointer_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_dbpointer_t intern1, intern2;
	- int retval;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_DBPOINTER_OBJ_P(o1);
	- intern2 = Z_DBPOINTER_OBJ_P(o2);
	-
	- retval = strcmp(intern1->ref, intern2->ref);
	-
	- if (retval != 0) {
	- return retval;
	- }
	-
	- return strcmp(intern1->id, intern2->id);
	-} /* }}} */
	-
	-static HashTable* php_phongo_dbpointer_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_dbpointer_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_dbpointer_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_dbpointer_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_dbpointer_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "DBPointer", php_phongo_dbpointer_me);
	- php_phongo_dbpointer_ce = zend_register_internal_class(&ce);
	- php_phongo_dbpointer_ce->create_object = php_phongo_dbpointer_create_object;
	- PHONGO_CE_FINAL(php_phongo_dbpointer_ce);
	-
	- zend_class_implements(php_phongo_dbpointer_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_dbpointer_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_dbpointer_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_dbpointer_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_dbpointer, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(dbpointer);
	- php_phongo_handler_dbpointer.clone_obj = php_phongo_dbpointer_clone_object;
	- php_phongo_handler_dbpointer.get_debug_info = php_phongo_dbpointer_get_debug_info;
	- php_phongo_handler_dbpointer.get_properties = php_phongo_dbpointer_get_properties;
	- php_phongo_handler_dbpointer.free_obj = php_phongo_dbpointer_free_object;
	- php_phongo_handler_dbpointer.offset = XtOffsetOf(php_phongo_dbpointer_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Decimal128.c b/mongodb-1.12.0/src/BSON/Decimal128.c
	deleted file mode 100644
	index b8931f21..00000000
	--- a/mongodb-1.12.0/src/BSON/Decimal128.c
	+++ /dev/null
	@@ -1,399 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_decimal128_ce;
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_decimal128_init(php_phongo_decimal128_t* intern, const char* value) /* {{{ */
	-{
	- if (!bson_decimal128_from_string(value, &intern->decimal)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing Decimal128 string: %s", value);
	- return false;
	- }
	-
	- intern->initialized = true;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_decimal128_init_from_hash(php_phongo_decimal128_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* dec;
	-
	- if ((dec = zend_hash_str_find(props, "dec", sizeof("dec") - 1)) && Z_TYPE_P(dec) == IS_STRING) {
	- return php_phongo_decimal128_init(intern, Z_STRVAL_P(dec));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"dec\" string field", ZSTR_VAL(php_phongo_decimal128_ce->name));
	- return false;
	-} /* }}} */
	-
	-static HashTable* php_phongo_decimal128_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_decimal128_t* intern;
	- HashTable* props;
	- char outbuf[BSON_DECIMAL128_STRING] = "";
	-
	- intern = Z_OBJ_DECIMAL128(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	-
	- if (!intern->initialized) {
	- return props;
	- }
	-
	- bson_decimal128_to_string(&intern->decimal, outbuf);
	-
	- {
	- zval dec;
	-
	- ZVAL_STRING(&dec, outbuf);
	- zend_hash_str_update(props, "dec", sizeof("dec") - 1, &dec);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Decimal128::__construct(string $value)
	- Construct a new BSON Decimal128 type */
	-static PHP_METHOD(Decimal128, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_decimal128_t* intern;
	- char* value;
	- size_t value_len;
	-
	- intern = Z_DECIMAL128_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &value, &value_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_decimal128_init(intern, value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Decimal128 MongoDB\BSON\Decimal128::__set_state(array $properties)
	-*/
	-static PHP_METHOD(Decimal128, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_decimal128_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_decimal128_ce);
	-
	- intern = Z_DECIMAL128_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_decimal128_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Decimal128::__toString()
	-*/
	-static PHP_METHOD(Decimal128, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_decimal128_t* intern;
	- char outbuf[BSON_DECIMAL128_STRING];
	-
	- intern = Z_DECIMAL128_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- bson_decimal128_to_string(&intern->decimal, outbuf);
	-
	- RETURN_STRING(outbuf);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Decimal128::jsonSerialize()
	-*/
	-static PHP_METHOD(Decimal128, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_decimal128_t* intern;
	- char outbuf[BSON_DECIMAL128_STRING] = "";
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_DECIMAL128_OBJ_P(getThis());
	-
	- array_init_size(return_value, 1);
	- bson_decimal128_to_string(&intern->decimal, outbuf);
	- ADD_ASSOC_STRING(return_value, "$numberDecimal", outbuf);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Decimal128::serialize()
	-*/
	-static PHP_METHOD(Decimal128, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_decimal128_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	- char outbuf[BSON_DECIMAL128_STRING];
	-
	- intern = Z_DECIMAL128_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- bson_decimal128_to_string(&intern->decimal, outbuf);
	- array_init_size(&retval, 1);
	- ADD_ASSOC_STRING(&retval, "dec", outbuf);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Decimal128::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Decimal128, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_decimal128_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_DECIMAL128_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_decimal128_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_decimal128_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Decimal128::__serialize()
	-*/
	-static PHP_METHOD(Decimal128, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_decimal128_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Decimal128::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Decimal128, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_decimal128_init_from_hash(Z_DECIMAL128_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Decimal128 function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, value)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Decimal128___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Decimal128_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_decimal128_me[] = {
	- PHP_ME(Decimal128, __construct, ai_Decimal128___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Decimal128, __serialize, ai_Decimal128_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Decimal128, __set_state, ai_Decimal128___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(Decimal128, __toString, ai_Decimal128___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Decimal128, __unserialize, ai_Decimal128___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Decimal128, jsonSerialize, ai_Decimal128_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Decimal128, serialize, ai_Decimal128_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Decimal128, unserialize, ai_Decimal128_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Decimal128 object handlers */
	-static zend_object_handlers php_phongo_handler_decimal128;
	-
	-static void php_phongo_decimal128_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_decimal128_t* intern = Z_OBJ_DECIMAL128(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_decimal128_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_decimal128_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_decimal128_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_decimal128;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_decimal128_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_decimal128_t* intern;
	- php_phongo_decimal128_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_DECIMAL128(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_decimal128_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_DECIMAL128(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- // Use memcpy to copy bson value to avoid converting to string and back
	- memcpy(&new_intern->decimal, &intern->decimal, sizeof(bson_decimal128_t));
	- new_intern->initialized = true;
	-
	- return new_object;
	-} /* }}} */
	-
	-static HashTable* php_phongo_decimal128_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_decimal128_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_decimal128_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_decimal128_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_decimal128_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Decimal128", php_phongo_decimal128_me);
	- php_phongo_decimal128_ce = zend_register_internal_class(&ce);
	- php_phongo_decimal128_ce->create_object = php_phongo_decimal128_create_object;
	- PHONGO_CE_FINAL(php_phongo_decimal128_ce);
	-
	- zend_class_implements(php_phongo_decimal128_ce, 1, php_phongo_decimal128_interface_ce);
	- zend_class_implements(php_phongo_decimal128_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_decimal128_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_decimal128_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_decimal128_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_decimal128, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_decimal128.clone_obj = php_phongo_decimal128_clone_object;
	- php_phongo_handler_decimal128.get_debug_info = php_phongo_decimal128_get_debug_info;
	- php_phongo_handler_decimal128.get_properties = php_phongo_decimal128_get_properties;
	- php_phongo_handler_decimal128.free_obj = php_phongo_decimal128_free_object;
	- php_phongo_handler_decimal128.offset = XtOffsetOf(php_phongo_decimal128_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Decimal128Interface.c b/mongodb-1.12.0/src/BSON/Decimal128Interface.c
	deleted file mode 100644
	index ea2151b3..00000000
	--- a/mongodb-1.12.0/src/BSON/Decimal128Interface.c
	+++ /dev/null
	@@ -1,55 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_decimal128_interface_ce;
	-
	-/* {{{ MongoDB\BSON\Decimal128Interface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Decimal128Interface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_decimal128_interface_me[] = {
	- ZEND_ABSTRACT_ME(Decimal128Interface, __toString, ai_Decimal128Interface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_decimal128_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Decimal128Interface", php_phongo_decimal128_interface_me);
	- php_phongo_decimal128_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Int64.c b/mongodb-1.12.0/src/BSON/Int64.c
	deleted file mode 100644
	index 152da47e..00000000
	--- a/mongodb-1.12.0/src/BSON/Int64.c
	+++ /dev/null
	@@ -1,360 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_int64_ce;
	-
	-/* Initialize the object and return whether it was successful. */
	-static bool php_phongo_int64_init(php_phongo_int64_t* intern, int64_t integer) /* {{{ */
	-{
	- intern->integer = integer;
	- intern->initialized = true;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a numeric string and return whether it was
	- * successful. An exception will be thrown on error. */
	-static bool php_phongo_int64_init_from_string(php_phongo_int64_t* intern, const char* s_integer, size_t s_integer_len) /* {{{ */
	-{
	- int64_t integer;
	-
	- if (!php_phongo_parse_int64(&integer, s_integer, s_integer_len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer for %s initialization", s_integer, ZSTR_VAL(php_phongo_int64_ce->name));
	- return false;
	- }
	-
	- return php_phongo_int64_init(intern, integer);
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_int64_init_from_hash(php_phongo_int64_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* value;
	-
	- if ((value = zend_hash_str_find(props, "integer", sizeof("integer") - 1)) && Z_TYPE_P(value) == IS_STRING) {
	- return php_phongo_int64_init_from_string(intern, Z_STRVAL_P(value), Z_STRLEN_P(value));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"integer\" string field", ZSTR_VAL(php_phongo_int64_ce->name));
	- return false;
	-} /* }}} */
	-
	-HashTable* php_phongo_int64_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_int64_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_INT64(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->initialized) {
	- return props;
	- }
	-
	- {
	- zval value;
	-
	- ZVAL_INT64_STRING(&value, intern->integer);
	- zend_hash_str_update(props, "integer", sizeof("integer") - 1, &value);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Int64::__toString()
	- Return the Int64's value as a string. */
	-static PHP_METHOD(Int64, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_int64_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_INT64_OBJ_P(getThis());
	-
	- ZVAL_INT64_STRING(return_value, intern->integer);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Int64::jsonSerialize()
	-*/
	-static PHP_METHOD(Int64, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_int64_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_INT64_OBJ_P(getThis());
	-
	- array_init_size(return_value, 1);
	-
	- ADD_ASSOC_INT64_AS_STRING(return_value, "$numberLong", intern->integer);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Int64::serialize()
	-*/
	-static PHP_METHOD(Int64, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_int64_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_INT64_OBJ_P(getThis());
	-
	- array_init_size(&retval, 1);
	- ADD_ASSOC_INT64_AS_STRING(&retval, "integer", intern->integer);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Int64::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Int64, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_int64_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_INT64_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_int64_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_int64_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Int64::__serialize()
	-*/
	-static PHP_METHOD(Int64, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_int64_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Int64::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Int64, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_int64_init_from_hash(Z_INT64_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Int64 function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Int64___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Int64___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Int64_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Int64_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Int64_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_int64_me[] = {
	- /* __set_state intentionally missing */
	- PHP_ME(Int64, __serialize, ai_Int64_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Int64, __toString, ai_Int64___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Int64, __unserialize, ai_Int64___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Int64, jsonSerialize, ai_Int64_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Int64, serialize, ai_Int64_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Int64, unserialize, ai_Int64_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Int64_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Int64 object handlers */
	-static zend_object_handlers php_phongo_handler_int64;
	-
	-static void php_phongo_int64_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_int64_t* intern = Z_OBJ_INT64(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-zend_object* php_phongo_int64_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_int64_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_int64_t, class_type);
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_int64;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_int64_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_int64_t* intern;
	- php_phongo_int64_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_INT64(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_int64_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_INT64(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_int64_init(new_intern, intern->integer);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_int64_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_int64_t intern1, intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_INT64_OBJ_P(o1);
	- intern2 = Z_INT64_OBJ_P(o2);
	-
	- if (intern1->integer != intern2->integer) {
	- return intern1->integer < intern2->integer ? -1 : 1;
	- }
	-
	- return 0;
	-} /* }}} */
	-
	-static HashTable* php_phongo_int64_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_int64_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_int64_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_int64_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_int64_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Int64", php_phongo_int64_me);
	- php_phongo_int64_ce = zend_register_internal_class(&ce);
	- php_phongo_int64_ce->create_object = php_phongo_int64_create_object;
	- PHONGO_CE_FINAL(php_phongo_int64_ce);
	-
	- zend_class_implements(php_phongo_int64_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_int64_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_int64_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_int64_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_int64, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(int64);
	- php_phongo_handler_int64.clone_obj = php_phongo_int64_clone_object;
	- php_phongo_handler_int64.get_debug_info = php_phongo_int64_get_debug_info;
	- php_phongo_handler_int64.get_properties = php_phongo_int64_get_properties;
	- php_phongo_handler_int64.free_obj = php_phongo_int64_free_object;
	- php_phongo_handler_int64.offset = XtOffsetOf(php_phongo_int64_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Javascript.c b/mongodb-1.12.0/src/BSON/Javascript.c
	deleted file mode 100644
	index a941954d..00000000
	--- a/mongodb-1.12.0/src/BSON/Javascript.c
	+++ /dev/null
	@@ -1,532 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_javascript_ce;
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_javascript_init(php_phongo_javascript_t* intern, const char* code, size_t code_len, zval* scope) /* {{{ */
	-{
	- if (scope && Z_TYPE_P(scope) != IS_OBJECT && Z_TYPE_P(scope) != IS_ARRAY && Z_TYPE_P(scope) != IS_NULL) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected scope to be array or object, %s given", zend_get_type_by_const(Z_TYPE_P(scope)));
	- return false;
	- }
	-
	- if (strlen(code) != (size_t) code_len) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Code cannot contain null bytes");
	- return false;
	- }
	-
	- intern->code = estrndup(code, code_len);
	- intern->code_len = code_len;
	-
	- if (scope && (Z_TYPE_P(scope) == IS_OBJECT \|\| Z_TYPE_P(scope) == IS_ARRAY)) {
	- intern->scope = bson_new();
	- php_phongo_zval_to_bson(scope, PHONGO_BSON_NONE, intern->scope, NULL);
	- } else {
	- intern->scope = NULL;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_javascript_init_from_hash(php_phongo_javascript_t* intern, HashTable* props) /* {{{ */
	-{
	- zval code, scope;
	-
	- if ((code = zend_hash_str_find(props, "code", sizeof("code") - 1)) && Z_TYPE_P(code) == IS_STRING) {
	- scope = zend_hash_str_find(props, "scope", sizeof("scope") - 1);
	-
	- return php_phongo_javascript_init(intern, Z_STRVAL_P(code), Z_STRLEN_P(code), scope);
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"code\" string field", ZSTR_VAL(php_phongo_javascript_ce->name));
	- return false;
	-} /* }}} */
	-
	-HashTable* php_phongo_javascript_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_javascript_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_JAVASCRIPT(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->code) {
	- return props;
	- }
	-
	- {
	- zval code;
	-
	- ZVAL_STRING(&code, intern->code);
	- zend_hash_str_update(props, "code", sizeof("code") - 1, &code);
	-
	- if (intern->scope) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- goto failure;
	- }
	-
	- zend_hash_str_update(props, "scope", sizeof("scope") - 1, &state.zchild);
	- } else {
	- zval scope;
	-
	- ZVAL_NULL(&scope);
	- zend_hash_str_update(props, "scope", sizeof("scope") - 1, &scope);
	- }
	- }
	-
	- return props;
	-
	-failure:
	- PHONGO_GET_PROPERTY_HASH_FREE_PROPS(is_temp, props);
	- return NULL;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Javascript::__construct(string $code[, array\|object $scope])
	- Construct a new BSON Javascript type. The scope is a document mapping
	- identifiers and values, representing the scope in which the code string will
	- be evaluated. Note that this type cannot be represented as Extended JSON. */
	-static PHP_METHOD(Javascript, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	- char* code;
	- size_t code_len;
	- zval* scope = NULL;
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|A!", &code, &code_len, &scope) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_javascript_init(intern, code, code_len, scope);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Javascript MongoDB\BSON\Javascript::__set_state(array $properties)
	-*/
	-static PHP_METHOD(Javascript, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_javascript_ce);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_javascript_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Javascript::__toString()
	- Return the Javascript's code string. */
	-static PHP_METHOD(Javascript, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- RETURN_STRINGL(intern->code, intern->code_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Javascript::getCode()
	-*/
	-static PHP_METHOD(Javascript, getCode)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- RETURN_STRINGL(intern->code, intern->code_len);
	-} /* }}} */
	-
	-/* {{{ proto object\|null MongoDB\BSON\Javascript::getScope()
	-*/
	-static PHP_METHOD(Javascript, getScope)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- if (!intern->scope) {
	- RETURN_NULL();
	- }
	-
	- if (intern->scope->len) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	- } else {
	- RETURN_NULL();
	- }
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Javascript::jsonSerialize()
	-*/
	-static PHP_METHOD(Javascript, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- array_init_size(return_value, 2);
	- ADD_ASSOC_STRINGL(return_value, "$code", intern->code, intern->code_len);
	-
	- if (intern->scope && intern->scope->len) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(return_value, "$scope", &state.zchild);
	- }
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Javascript::serialize()
	-*/
	-static PHP_METHOD(Javascript, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	- zval retval;
	- php_phongo_bson_state state;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (intern->scope && intern->scope->len) {
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	- } else {
	- ZVAL_NULL(&state.zchild);
	- }
	-
	- array_init_size(&retval, 2);
	- ADD_ASSOC_STRINGL(&retval, "code", intern->code, intern->code_len);
	- ADD_ASSOC_ZVAL(&retval, "scope", &state.zchild);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Javascript::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Javascript, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_javascript_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_JAVASCRIPT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_javascript_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_javascript_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Javascript::__serialize()
	-*/
	-static PHP_METHOD(Javascript, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_javascript_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Javascript::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Javascript, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_javascript_init_from_hash(Z_JAVASCRIPT_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Javascript function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Javascript___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, javascript)
	- ZEND_ARG_INFO(0, scope)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Javascript___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Javascript___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Javascript___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Javascript_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Javascript_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Javascript_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_javascript_me[] = {
	- PHP_ME(Javascript, __construct, ai_Javascript___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, __serialize, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, __set_state, ai_Javascript___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(Javascript, __toString, ai_Javascript___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, __unserialize, ai_Javascript___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, jsonSerialize, ai_Javascript_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, serialize, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, unserialize, ai_Javascript_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, getCode, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Javascript, getScope, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Javascript object handlers */
	-static zend_object_handlers php_phongo_handler_javascript;
	-
	-static void php_phongo_javascript_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_javascript_t* intern = Z_OBJ_JAVASCRIPT(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->code) {
	- efree(intern->code);
	- }
	- if (intern->scope) {
	- bson_destroy(intern->scope);
	- intern->scope = NULL;
	- }
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-zend_object* php_phongo_javascript_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_javascript_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_javascript_t, class_type);
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_javascript;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_javascript_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_javascript_t* intern;
	- php_phongo_javascript_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_JAVASCRIPT(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_javascript_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_JAVASCRIPT(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_javascript_init(new_intern, intern->code, intern->code_len, NULL);
	- new_intern->scope = bson_copy(intern->scope);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_javascript_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_javascript_t intern1, intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_JAVASCRIPT_OBJ_P(o1);
	- intern2 = Z_JAVASCRIPT_OBJ_P(o2);
	-
	- /* Do not consider the scope document for comparisons */
	- return strcmp(intern1->code, intern2->code);
	-} /* }}} */
	-
	-static HashTable* php_phongo_javascript_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_javascript_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_javascript_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_javascript_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_javascript_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Javascript", php_phongo_javascript_me);
	- php_phongo_javascript_ce = zend_register_internal_class(&ce);
	- php_phongo_javascript_ce->create_object = php_phongo_javascript_create_object;
	- PHONGO_CE_FINAL(php_phongo_javascript_ce);
	-
	- zend_class_implements(php_phongo_javascript_ce, 1, php_phongo_javascript_interface_ce);
	- zend_class_implements(php_phongo_javascript_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_javascript_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_javascript_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_javascript_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_javascript, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(javascript);
	- php_phongo_handler_javascript.clone_obj = php_phongo_javascript_clone_object;
	- php_phongo_handler_javascript.get_debug_info = php_phongo_javascript_get_debug_info;
	- php_phongo_handler_javascript.get_properties = php_phongo_javascript_get_properties;
	- php_phongo_handler_javascript.free_obj = php_phongo_javascript_free_object;
	- php_phongo_handler_javascript.offset = XtOffsetOf(php_phongo_javascript_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/JavascriptInterface.c b/mongodb-1.12.0/src/BSON/JavascriptInterface.c
	deleted file mode 100644
	index 7cb2a061..00000000
	--- a/mongodb-1.12.0/src/BSON/JavascriptInterface.c
	+++ /dev/null
	@@ -1,60 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_javascript_interface_ce;
	-
	-/* {{{ MongoDB\BSON\JavascriptInterface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_JavascriptInterface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_JavascriptInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_javascript_interface_me[] = {
	- ZEND_ABSTRACT_ME(JavascriptInterface, getCode, ai_JavascriptInterface_void)
	- ZEND_ABSTRACT_ME(JavascriptInterface, getScope, ai_JavascriptInterface_void)
	- ZEND_ABSTRACT_ME(JavascriptInterface, __toString, ai_JavascriptInterface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_javascript_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "JavascriptInterface", php_phongo_javascript_interface_me);
	- php_phongo_javascript_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/MaxKey.c b/mongodb-1.12.0/src/BSON/MaxKey.c
	deleted file mode 100644
	index 43fa7ef3..00000000
	--- a/mongodb-1.12.0/src/BSON/MaxKey.c
	+++ /dev/null
	@@ -1,201 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_maxkey_ce;
	-
	-/* {{{ proto MongoDB\BSON\MaxKey MongoDB\BSON\MaxKey::__set_state(array $properties)
	-*/
	-static PHP_METHOD(MaxKey, __set_state)
	-{
	- zend_error_handling error_handling;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_maxkey_ce);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\MaxKey::jsonSerialize()
	-*/
	-static PHP_METHOD(MaxKey, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(return_value, 1);
	- ADD_ASSOC_LONG_EX(return_value, "$maxKey", 1);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\MaxKey::serialize()
	-*/
	-static PHP_METHOD(MaxKey, serialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRING("");
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\MaxKey::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(MaxKey, unserialize)
	-{
	- zend_error_handling error_handling;
	- char* serialized;
	- size_t serialized_len;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\MaxKey::__serialize()
	-*/
	-static PHP_METHOD(MaxKey, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- array_init_size(return_value, 0);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\MaxKey::__unserialize(array $data)
	-*/
	-static PHP_METHOD(MaxKey, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\MaxKey function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_MaxKey_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_maxkey_me[] = {
	- PHP_ME(MaxKey, __serialize, ai_MaxKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MaxKey, __set_state, ai_MaxKey___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(MaxKey, __unserialize, ai_MaxKey___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MaxKey, jsonSerialize, ai_MaxKey_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MaxKey, serialize, ai_MaxKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MaxKey, unserialize, ai_MaxKey_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\MaxKey object handlers */
	-static zend_object_handlers php_phongo_handler_maxkey;
	-
	-static void php_phongo_maxkey_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_maxkey_t* intern = Z_OBJ_MAXKEY(object);
	-
	- zend_object_std_dtor(&intern->std);
	-} /* }}} */
	-
	-static zend_object* php_phongo_maxkey_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_maxkey_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_maxkey_t, class_type);
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_maxkey;
	-
	- return &intern->std;
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_maxkey_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MaxKey", php_phongo_maxkey_me);
	- php_phongo_maxkey_ce = zend_register_internal_class(&ce);
	- php_phongo_maxkey_ce->create_object = php_phongo_maxkey_create_object;
	- PHONGO_CE_FINAL(php_phongo_maxkey_ce);
	-
	- zend_class_implements(php_phongo_maxkey_ce, 1, php_phongo_maxkey_interface_ce);
	- zend_class_implements(php_phongo_maxkey_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_maxkey_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_maxkey_ce, 1, zend_ce_serializable);
	-
	- memcpy(&php_phongo_handler_maxkey, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- /* Re-assign default handler previously removed in php_phongo.c */
	- php_phongo_handler_maxkey.clone_obj = zend_objects_clone_obj;
	- php_phongo_handler_maxkey.free_obj = php_phongo_maxkey_free_object;
	- php_phongo_handler_maxkey.offset = XtOffsetOf(php_phongo_maxkey_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/MaxKeyInterface.c b/mongodb-1.12.0/src/BSON/MaxKeyInterface.c
	deleted file mode 100644
	index 73b8b873..00000000
	--- a/mongodb-1.12.0/src/BSON/MaxKeyInterface.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_maxkey_interface_ce;
	-
	-/* {{{ MongoDB\BSON\MaxKeyInterface function entries */
	-static zend_function_entry php_phongo_maxkey_interface_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_maxkey_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MaxKeyInterface", php_phongo_maxkey_interface_me);
	- php_phongo_maxkey_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/MinKey.c b/mongodb-1.12.0/src/BSON/MinKey.c
	deleted file mode 100644
	index 260acda8..00000000
	--- a/mongodb-1.12.0/src/BSON/MinKey.c
	+++ /dev/null
	@@ -1,202 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_minkey_ce;
	-
	-/* {{{ proto MongoDB\BSON\MinKey MongoDB\BSON\MinKey::__set_state(array $properties)
	-*/
	-static PHP_METHOD(MinKey, __set_state)
	-{
	- zend_error_handling error_handling;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_minkey_ce);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\MinKey::jsonSerialize()
	-*/
	-static PHP_METHOD(MinKey, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(return_value, 1);
	- ADD_ASSOC_LONG_EX(return_value, "$minKey", 1);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\MinKey::serialize()
	-*/
	-static PHP_METHOD(MinKey, serialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRING("");
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\MinKey::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(MinKey, unserialize)
	-{
	- zend_error_handling error_handling;
	- char* serialized;
	- size_t serialized_len;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\MinKey::__serialize()
	-*/
	-static PHP_METHOD(MinKey, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- array_init_size(return_value, 0);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\MinKey::__unserialize(array $data)
	-*/
	-static PHP_METHOD(MinKey, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\MinKey function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_MinKey___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_MinKey___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_MinKey_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_MinKey_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_MinKey_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_minkey_me[] = {
	- PHP_ME(MinKey, __serialize, ai_MinKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MinKey, __set_state, ai_MinKey___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(MinKey, __unserialize, ai_MinKey___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MinKey, jsonSerialize, ai_MinKey_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MinKey, serialize, ai_MinKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(MinKey, unserialize, ai_MinKey_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\MinKey object handlers */
	-static zend_object_handlers php_phongo_handler_minkey;
	-
	-static void php_phongo_minkey_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_minkey_t* intern = Z_OBJ_MINKEY(object);
	-
	- zend_object_std_dtor(&intern->std);
	-} /* }}} */
	-
	-static zend_object* php_phongo_minkey_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_minkey_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_minkey_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_minkey;
	-
	- return &intern->std;
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_minkey_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MinKey", php_phongo_minkey_me);
	- php_phongo_minkey_ce = zend_register_internal_class(&ce);
	- php_phongo_minkey_ce->create_object = php_phongo_minkey_create_object;
	- PHONGO_CE_FINAL(php_phongo_minkey_ce);
	-
	- zend_class_implements(php_phongo_minkey_ce, 1, php_phongo_minkey_interface_ce);
	- zend_class_implements(php_phongo_minkey_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_minkey_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_minkey_ce, 1, zend_ce_serializable);
	-
	- memcpy(&php_phongo_handler_minkey, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- /* Re-assign default handler previously removed in php_phongo.c */
	- php_phongo_handler_minkey.clone_obj = zend_objects_clone_obj;
	- php_phongo_handler_minkey.free_obj = php_phongo_minkey_free_object;
	- php_phongo_handler_minkey.offset = XtOffsetOf(php_phongo_minkey_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/MinKeyInterface.c b/mongodb-1.12.0/src/BSON/MinKeyInterface.c
	deleted file mode 100644
	index f6b8df27..00000000
	--- a/mongodb-1.12.0/src/BSON/MinKeyInterface.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_minkey_interface_ce;
	-
	-/* {{{ MongoDB\BSON\MinKeyInterface function entries */
	-static zend_function_entry php_phongo_minkey_interface_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_minkey_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MinKeyInterface", php_phongo_minkey_interface_me);
	- php_phongo_minkey_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/ObjectId.c b/mongodb-1.12.0/src/BSON/ObjectId.c
	deleted file mode 100644
	index c0690be6..00000000
	--- a/mongodb-1.12.0/src/BSON/ObjectId.c
	+++ /dev/null
	@@ -1,453 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-#define PHONGO_OID_SIZE sizeof(((php_phongo_objectid_t*) 0)->oid)
	-#define PHONGO_OID_LEN (PHONGO_OID_SIZE - 1)
	-
	-zend_class_entry* php_phongo_objectid_ce;
	-
	-/* Initialize the object with a generated value and return whether it was
	- * successful. */
	-static bool php_phongo_objectid_init(php_phongo_objectid_t* intern)
	-{
	- bson_oid_t oid;
	-
	- intern->initialized = true;
	-
	- bson_oid_init(&oid, NULL);
	- bson_oid_to_string(&oid, intern->oid);
	-
	- return true;
	-}
	-
	-/* Initialize the object from a hex string and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_objectid_init_from_hex_string(php_phongo_objectid_t* intern, const char* hex, size_t hex_len) /* {{{ */
	-{
	- if (bson_oid_is_valid(hex, hex_len)) {
	- bson_oid_t oid;
	-
	- bson_oid_init_from_string(&oid, hex);
	- bson_oid_to_string(&oid, intern->oid);
	- intern->initialized = true;
	-
	- return true;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing ObjectId string: %s", hex);
	-
	- return false;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_objectid_init_from_hash(php_phongo_objectid_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* z_oid;
	-
	- z_oid = zend_hash_str_find(props, "oid", sizeof("oid") - 1);
	-
	- if (z_oid && Z_TYPE_P(z_oid) == IS_STRING) {
	- return php_phongo_objectid_init_from_hex_string(intern, Z_STRVAL_P(z_oid), Z_STRLEN_P(z_oid));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"oid\" string field", ZSTR_VAL(php_phongo_objectid_ce->name));
	- return false;
	-} /* }}} */
	-
	-static HashTable* php_phongo_objectid_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_objectid_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_OBJECTID(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	-
	- if (!intern->initialized) {
	- return props;
	- }
	-
	- {
	- zval zv;
	-
	- ZVAL_STRING(&zv, intern->oid);
	- zend_hash_str_update(props, "oid", sizeof("oid") - 1, &zv);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\ObjectId::__construct([string $id])
	- Constructs a new BSON ObjectId type, optionally from a hex string. */
	-static PHP_METHOD(ObjectId, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	- char* id = NULL;
	- size_t id_len;
	-
	- intern = Z_OBJECTID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|s!", &id, &id_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (id) {
	- php_phongo_objectid_init_from_hex_string(intern, id, id_len);
	- } else {
	- php_phongo_objectid_init(intern);
	- }
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\BSON\ObjectId::getTimestamp()
	-*/
	-static PHP_METHOD(ObjectId, getTimestamp)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	- bson_oid_t tmp_oid;
	-
	- intern = Z_OBJECTID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- bson_oid_init_from_string(&tmp_oid, intern->oid);
	- RETVAL_LONG(bson_oid_get_time_t(&tmp_oid));
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\ObjectId MongoDB\BSON\ObjectId::__set_state(array $properties)
	-*/
	-static PHP_METHOD(ObjectId, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_objectid_ce);
	-
	- intern = Z_OBJECTID_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_objectid_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\ObjectId::__toString()
	-*/
	-static PHP_METHOD(ObjectId, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	-
	- intern = Z_OBJECTID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRINGL(intern->oid, PHONGO_OID_LEN);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\ObjectId::jsonSerialize()
	-*/
	-static PHP_METHOD(ObjectId, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_OBJECTID_OBJ_P(getThis());
	-
	- array_init_size(return_value, 1);
	- ADD_ASSOC_STRINGL(return_value, "$oid", intern->oid, PHONGO_OID_LEN);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\ObjectId::serialize()
	-*/
	-static PHP_METHOD(ObjectId, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_OBJECTID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(&retval, 1);
	- ADD_ASSOC_STRINGL(&retval, "oid", intern->oid, PHONGO_OID_LEN);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\ObjectId::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(ObjectId, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_objectid_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_OBJECTID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_objectid_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_objectid_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ObjectId::__serialize()
	-*/
	-static PHP_METHOD(ObjectId, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_objectid_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ObjectId::__unserialize(array $data)
	-*/
	-static PHP_METHOD(ObjectId, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_objectid_init_from_hash(Z_OBJECTID_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\ObjectId function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId___construct, 0, 0, 0)
	- ZEND_ARG_INFO(0, id)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_ObjectId___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_ObjectId_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_objectid_me[] = {
	- PHP_ME(ObjectId, __construct, ai_ObjectId___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, getTimestamp, ai_ObjectId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, __serialize, ai_ObjectId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, __set_state, ai_ObjectId___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(ObjectId, __toString, ai_ObjectId___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, __unserialize, ai_ObjectId___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, jsonSerialize, ai_ObjectId_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, serialize, ai_ObjectId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ObjectId, unserialize, ai_ObjectId_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\ObjectId object handlers */
	-static zend_object_handlers php_phongo_handler_objectid;
	-
	-static void php_phongo_objectid_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_objectid_t* intern = Z_OBJ_OBJECTID(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_objectid_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_objectid_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_objectid_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_objectid;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_objectid_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_objectid_t* intern;
	- php_phongo_objectid_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_OBJECTID(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_objectid_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_OBJECTID(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- // Use memcpy to copy bson value to avoid converting to string and back
	- memcpy(&new_intern->oid, &intern->oid, PHONGO_OID_SIZE);
	- new_intern->initialized = true;
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_objectid_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_objectid_t* intern1;
	- php_phongo_objectid_t* intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_OBJECTID_OBJ_P(o1);
	- intern2 = Z_OBJECTID_OBJ_P(o2);
	-
	- return strcmp(intern1->oid, intern2->oid);
	-} /* }}} */
	-
	-static HashTable* php_phongo_objectid_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_objectid_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_objectid_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_objectid_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_objectid_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "ObjectId", php_phongo_objectid_me);
	- php_phongo_objectid_ce = zend_register_internal_class(&ce);
	- php_phongo_objectid_ce->create_object = php_phongo_objectid_create_object;
	- PHONGO_CE_FINAL(php_phongo_objectid_ce);
	-
	- zend_class_implements(php_phongo_objectid_ce, 1, php_phongo_objectid_interface_ce);
	- zend_class_implements(php_phongo_objectid_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_objectid_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_objectid_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_objectid_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_objectid, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(objectid);
	- php_phongo_handler_objectid.clone_obj = php_phongo_objectid_clone_object;
	- php_phongo_handler_objectid.get_debug_info = php_phongo_objectid_get_debug_info;
	- php_phongo_handler_objectid.get_properties = php_phongo_objectid_get_properties;
	- php_phongo_handler_objectid.free_obj = php_phongo_objectid_free_object;
	- php_phongo_handler_objectid.offset = XtOffsetOf(php_phongo_objectid_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/ObjectIdInterface.c b/mongodb-1.12.0/src/BSON/ObjectIdInterface.c
	deleted file mode 100644
	index bdb04f14..00000000
	--- a/mongodb-1.12.0/src/BSON/ObjectIdInterface.c
	+++ /dev/null
	@@ -1,59 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_objectid_interface_ce;
	-
	-/* {{{ MongoDB\BSON\ObjectIdInterface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_ObjectIdInterface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ObjectIdInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_objectid_interface_me[] = {
	- ZEND_ABSTRACT_ME(ObjectIdInterface, getTimestamp, ai_ObjectIdInterface_void)
	- ZEND_ABSTRACT_ME(ObjectIdInterface, __toString, ai_ObjectIdInterface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_objectid_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "ObjectIdInterface", php_phongo_objectid_interface_me);
	- php_phongo_objectid_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Persistable.c b/mongodb-1.12.0/src/BSON/Persistable.c
	deleted file mode 100644
	index b3c4d784..00000000
	--- a/mongodb-1.12.0/src/BSON/Persistable.c
	+++ /dev/null
	@@ -1,50 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_persistable_ce;
	-
	-/* {{{ MongoDB\BSON\Persistable function entries */
	-static zend_function_entry php_phongo_persistable_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_persistable_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Persistable", php_phongo_persistable_me);
	- php_phongo_persistable_ce = zend_register_internal_interface(&ce);
	- zend_class_implements(php_phongo_persistable_ce, 2, php_phongo_unserializable_ce, php_phongo_serializable_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Regex.c b/mongodb-1.12.0/src/BSON/Regex.c
	deleted file mode 100644
	index cfba5d35..00000000
	--- a/mongodb-1.12.0/src/BSON/Regex.c
	+++ /dev/null
	@@ -1,494 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_regex_ce;
	-
	-/* qsort() compare callback for alphabetizing regex flags upon initialization */
	-static int php_phongo_regex_compare_flags(const void* f1, const void* f2) /* {{{ */
	-{
	- if ((const char) f1 == (const char) f2) {
	- return 0;
	- }
	-
	- return ((const char) f1 > (const char) f2) ? 1 : -1;
	-} /* }}} */
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_regex_init(php_phongo_regex_t* intern, const char* pattern, size_t pattern_len, const char* flags, size_t flags_len) /* {{{ */
	-{
	- if (strlen(pattern) != (size_t) pattern_len) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Pattern cannot contain null bytes");
	- return false;
	- }
	- intern->pattern = estrndup(pattern, pattern_len);
	- intern->pattern_len = pattern_len;
	-
	- if (flags) {
	- if (strlen(flags) != (size_t) flags_len) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Flags cannot contain null bytes");
	- return false;
	- }
	- intern->flags = estrndup(flags, flags_len);
	- intern->flags_len = flags_len;
	- /* Ensure flags are alphabetized upon initialization */
	- qsort((void*) intern->flags, flags_len, 1, php_phongo_regex_compare_flags);
	- } else {
	- intern->flags = estrdup("");
	- intern->flags_len = 0;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_regex_init_from_hash(php_phongo_regex_t* intern, HashTable* props) /* {{{ */
	-{
	- zval pattern, flags;
	-
	- if ((pattern = zend_hash_str_find(props, "pattern", sizeof("pattern") - 1)) && Z_TYPE_P(pattern) == IS_STRING &&
	- (flags = zend_hash_str_find(props, "flags", sizeof("flags") - 1)) && Z_TYPE_P(flags) == IS_STRING) {
	-
	- return php_phongo_regex_init(intern, Z_STRVAL_P(pattern), Z_STRLEN_P(pattern), Z_STRVAL_P(flags), Z_STRLEN_P(flags));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"pattern\" and \"flags\" string fields", ZSTR_VAL(php_phongo_regex_ce->name));
	- return false;
	-} /* }}} */
	-
	-static HashTable* php_phongo_regex_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_regex_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_REGEX(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->pattern) {
	- return props;
	- }
	-
	- {
	- zval pattern, flags;
	-
	- ZVAL_STRINGL(&pattern, intern->pattern, intern->pattern_len);
	- zend_hash_str_update(props, "pattern", sizeof("pattern") - 1, &pattern);
	-
	- ZVAL_STRINGL(&flags, intern->flags, intern->flags_len);
	- zend_hash_str_update(props, "flags", sizeof("flags") - 1, &flags);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Regex::__construct(string $pattern [, string $flags])
	- Constructs a new BSON regular expression type. */
	-static PHP_METHOD(Regex, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	- char* pattern;
	- size_t pattern_len;
	- char* flags = NULL;
	- size_t flags_len = 0;
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|s", &pattern, &pattern_len, &flags, &flags_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_regex_init(intern, pattern, pattern_len, flags, flags_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Regex::getPattern()
	-*/
	-static PHP_METHOD(Regex, getPattern)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRINGL(intern->pattern, intern->pattern_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Regex::getFlags()
	-*/
	-static PHP_METHOD(Regex, getFlags)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRINGL(intern->flags, intern->flags_len);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Regex MongoDB\BSON\Regex::__set_state(array $properties)
	-*/
	-static PHP_METHOD(Regex, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_regex_ce);
	-
	- intern = Z_REGEX_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_regex_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Regex::__toString()
	- Returns a string in the form: /pattern/flags */
	-static PHP_METHOD(Regex, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	- char* regex;
	- int regex_len;
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- regex_len = spprintf(&regex, 0, "/%s/%s", intern->pattern, intern->flags);
	- RETVAL_STRINGL(regex, regex_len);
	- efree(regex);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Regex::jsonSerialize()
	-*/
	-static PHP_METHOD(Regex, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- array_init_size(return_value, 2);
	- ADD_ASSOC_STRINGL(return_value, "$regex", intern->pattern, intern->pattern_len);
	- ADD_ASSOC_STRINGL(return_value, "$options", intern->flags, intern->flags_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Regex::serialize()
	-*/
	-static PHP_METHOD(Regex, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(&retval, 2);
	- ADD_ASSOC_STRINGL(&retval, "pattern", intern->pattern, intern->pattern_len);
	- ADD_ASSOC_STRINGL(&retval, "flags", intern->flags, intern->flags_len);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Regex::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Regex, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_regex_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_REGEX_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_regex_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_regex_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Regex::__serialize()
	-*/
	-static PHP_METHOD(Regex, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_regex_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Regex::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Regex, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_regex_init_from_hash(Z_REGEX_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Regex function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Regex___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, pattern)
	- ZEND_ARG_INFO(0, flags)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Regex___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Regex___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Regex___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Regex_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Regex_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Regex_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_regex_me[] = {
	- PHP_ME(Regex, __construct, ai_Regex___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, __serialize, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, __set_state, ai_Regex___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(Regex, __toString, ai_Regex___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, __unserialize, ai_Regex___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, jsonSerialize, ai_Regex_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, serialize, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, unserialize, ai_Regex_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, getPattern, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Regex, getFlags, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Regex object handlers */
	-static zend_object_handlers php_phongo_handler_regex;
	-
	-static void php_phongo_regex_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_regex_t* intern = Z_OBJ_REGEX(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->pattern) {
	- efree(intern->pattern);
	- }
	-
	- if (intern->flags) {
	- efree(intern->flags);
	- }
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_regex_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_regex_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_regex_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_regex;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_regex_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_regex_t* intern;
	- php_phongo_regex_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_REGEX(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_regex_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_REGEX(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_regex_init(new_intern, intern->pattern, intern->pattern_len, intern->flags, intern->flags_len);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_regex_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_regex_t intern1, intern2;
	- int retval;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_REGEX_OBJ_P(o1);
	- intern2 = Z_REGEX_OBJ_P(o2);
	-
	- /* MongoDB compares the pattern string before the flags. */
	- retval = strcmp(intern1->pattern, intern2->pattern);
	-
	- if (retval != 0) {
	- return retval;
	- }
	-
	- return strcmp(intern1->flags, intern2->flags);
	-} /* }}} */
	-
	-static HashTable* php_phongo_regex_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_regex_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_regex_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_regex_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_regex_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Regex", php_phongo_regex_me);
	- php_phongo_regex_ce = zend_register_internal_class(&ce);
	- php_phongo_regex_ce->create_object = php_phongo_regex_create_object;
	- PHONGO_CE_FINAL(php_phongo_regex_ce);
	-
	- zend_class_implements(php_phongo_regex_ce, 1, php_phongo_regex_interface_ce);
	- zend_class_implements(php_phongo_regex_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_regex_ce, 1, zend_ce_serializable);
	- zend_class_implements(php_phongo_regex_ce, 1, php_phongo_json_serializable_ce);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_regex_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_regex, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(regex);
	- php_phongo_handler_regex.clone_obj = php_phongo_regex_clone_object;
	- php_phongo_handler_regex.get_debug_info = php_phongo_regex_get_debug_info;
	- php_phongo_handler_regex.get_properties = php_phongo_regex_get_properties;
	- php_phongo_handler_regex.free_obj = php_phongo_regex_free_object;
	- php_phongo_handler_regex.offset = XtOffsetOf(php_phongo_regex_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/RegexInterface.c b/mongodb-1.12.0/src/BSON/RegexInterface.c
	deleted file mode 100644
	index c4c8737d..00000000
	--- a/mongodb-1.12.0/src/BSON/RegexInterface.c
	+++ /dev/null
	@@ -1,60 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_regex_interface_ce;
	-
	-/* {{{ MongoDB\BSON\RegexInterface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_RegexInterface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_RegexInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_regex_interface_me[] = {
	- ZEND_ABSTRACT_ME(RegexInterface, getFlags, ai_RegexInterface_void)
	- ZEND_ABSTRACT_ME(RegexInterface, getPattern, ai_RegexInterface_void)
	- ZEND_ABSTRACT_ME(RegexInterface, __toString, ai_RegexInterface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_regex_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "RegexInterface", php_phongo_regex_interface_me);
	- php_phongo_regex_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Serializable.c b/mongodb-1.12.0/src/BSON/Serializable.c
	deleted file mode 100644
	index decd8289..00000000
	--- a/mongodb-1.12.0/src/BSON/Serializable.c
	+++ /dev/null
	@@ -1,56 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_serializable_ce;
	-
	-/* {{{ MongoDB\BSON\Serializable function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Serializable_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_serializable_me[] = {
	- /* clang-format off */
	- ZEND_ABSTRACT_ME(Serializable, bsonSerialize, ai_Serializable_void)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_serializable_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Serializable", php_phongo_serializable_me);
	- php_phongo_serializable_ce = zend_register_internal_interface(&ce);
	- zend_class_implements(php_phongo_serializable_ce, 1, php_phongo_type_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Symbol.c b/mongodb-1.12.0/src/BSON/Symbol.c
	deleted file mode 100644
	index 5f3c7b13..00000000
	--- a/mongodb-1.12.0/src/BSON/Symbol.c
	+++ /dev/null
	@@ -1,351 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_symbol_ce;
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_symbol_init(php_phongo_symbol_t* intern, const char* symbol, size_t symbol_len) /* {{{ */
	-{
	- if (strlen(symbol) != (size_t) symbol_len) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Symbol cannot contain null bytes");
	- return false;
	- }
	-
	- intern->symbol = estrndup(symbol, symbol_len);
	- intern->symbol_len = symbol_len;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_symbol_init_from_hash(php_phongo_symbol_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* symbol;
	-
	- if ((symbol = zend_hash_str_find(props, "symbol", sizeof("symbol") - 1)) && Z_TYPE_P(symbol) == IS_STRING) {
	- return php_phongo_symbol_init(intern, Z_STRVAL_P(symbol), Z_STRLEN_P(symbol));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"symbol\" string field", ZSTR_VAL(php_phongo_symbol_ce->name));
	- return false;
	-} /* }}} */
	-
	-HashTable* php_phongo_symbol_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_symbol_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_SYMBOL(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->symbol) {
	- return props;
	- }
	-
	- {
	- zval symbol;
	-
	- ZVAL_STRING(&symbol, intern->symbol);
	- zend_hash_str_update(props, "symbol", sizeof("symbol") - 1, &symbol);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Symbol::__toString()
	- Return the Symbol's symbol string. */
	-static PHP_METHOD(Symbol, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_symbol_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_SYMBOL_OBJ_P(getThis());
	-
	- RETURN_STRINGL(intern->symbol, intern->symbol_len);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Symbol::jsonSerialize()
	-*/
	-static PHP_METHOD(Symbol, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_symbol_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_SYMBOL_OBJ_P(getThis());
	-
	- array_init_size(return_value, 1);
	- ADD_ASSOC_STRINGL(return_value, "$symbol", intern->symbol, intern->symbol_len);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Symbol::serialize()
	-*/
	-static PHP_METHOD(Symbol, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_symbol_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_SYMBOL_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(&retval, 1);
	- ADD_ASSOC_STRINGL(&retval, "symbol", intern->symbol, intern->symbol_len);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Symbol::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Symbol, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_symbol_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_SYMBOL_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_symbol_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_symbol_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Symbol::__serialize()
	-*/
	-static PHP_METHOD(Symbol, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- ZVAL_ARR(return_value, php_phongo_symbol_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Symbol::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Symbol, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_symbol_init_from_hash(Z_SYMBOL_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Symbol function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Symbol___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Symbol___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Symbol_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Symbol_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Symbol_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_symbol_me[] = {
	- /* __set_state intentionally missing */
	- PHP_ME(Symbol, __serialize, ai_Symbol_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Symbol, __toString, ai_Symbol___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Symbol, __unserialize, ai_Symbol___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Symbol, jsonSerialize, ai_Symbol_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Symbol, serialize, ai_Symbol_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Symbol, unserialize, ai_Symbol_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Symbol_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Symbol object handlers */
	-static zend_object_handlers php_phongo_handler_symbol;
	-
	-static void php_phongo_symbol_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_symbol_t* intern = Z_OBJ_SYMBOL(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->symbol) {
	- efree(intern->symbol);
	- }
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-zend_object* php_phongo_symbol_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_symbol_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_symbol_t, class_type);
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_symbol;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_symbol_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_symbol_t* intern;
	- php_phongo_symbol_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_SYMBOL(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_symbol_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_SYMBOL(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_symbol_init(new_intern, intern->symbol, intern->symbol_len);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_symbol_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_symbol_t intern1, intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_SYMBOL_OBJ_P(o1);
	- intern2 = Z_SYMBOL_OBJ_P(o2);
	-
	- return strcmp(intern1->symbol, intern2->symbol);
	-} /* }}} */
	-
	-static HashTable* php_phongo_symbol_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_symbol_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_symbol_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_symbol_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_symbol_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Symbol", php_phongo_symbol_me);
	- php_phongo_symbol_ce = zend_register_internal_class(&ce);
	- php_phongo_symbol_ce->create_object = php_phongo_symbol_create_object;
	- PHONGO_CE_FINAL(php_phongo_symbol_ce);
	-
	- zend_class_implements(php_phongo_symbol_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_symbol_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_symbol_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_symbol_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_symbol, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(symbol);
	- php_phongo_handler_symbol.clone_obj = php_phongo_symbol_clone_object;
	- php_phongo_handler_symbol.get_debug_info = php_phongo_symbol_get_debug_info;
	- php_phongo_handler_symbol.get_properties = php_phongo_symbol_get_properties;
	- php_phongo_handler_symbol.free_obj = php_phongo_symbol_free_object;
	- php_phongo_handler_symbol.offset = XtOffsetOf(php_phongo_symbol_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Timestamp.c b/mongodb-1.12.0/src/BSON/Timestamp.c
	deleted file mode 100644
	index e354c148..00000000
	--- a/mongodb-1.12.0/src/BSON/Timestamp.c
	+++ /dev/null
	@@ -1,536 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_timestamp_ce;
	-
	-/* Initialize the object and return whether it was successful. An exception will
	- * be thrown on error. */
	-static bool php_phongo_timestamp_init(php_phongo_timestamp_t* intern, int64_t increment, int64_t timestamp) /* {{{ */
	-{
	- if (increment < 0 \|\| increment > UINT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected increment to be an unsigned 32-bit integer, %" PRId64 " given", increment);
	- return false;
	- }
	-
	- if (timestamp < 0 \|\| timestamp > UINT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected timestamp to be an unsigned 32-bit integer, %" PRId64 " given", timestamp);
	- return false;
	- }
	-
	- intern->increment = (uint32_t) increment;
	- intern->timestamp = (uint32_t) timestamp;
	- intern->initialized = true;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from numeric strings and return whether it was
	- * successful. An exception will be thrown on error. */
	-static bool php_phongo_timestamp_init_from_string(php_phongo_timestamp_t* intern, const char* s_increment, size_t s_increment_len, const char* s_timestamp, size_t s_timestamp_len) /* {{{ */
	-{
	- int64_t increment, timestamp;
	-
	- if (!php_phongo_parse_int64(&increment, s_increment, s_increment_len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer increment for %s initialization", s_increment, ZSTR_VAL(php_phongo_timestamp_ce->name));
	- return false;
	- }
	-
	- if (!php_phongo_parse_int64(&timestamp, s_timestamp, s_timestamp_len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer timestamp for %s initialization", s_timestamp, ZSTR_VAL(php_phongo_timestamp_ce->name));
	- return false;
	- }
	-
	- return php_phongo_timestamp_init(intern, increment, timestamp);
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_timestamp_init_from_hash(php_phongo_timestamp_t* intern, HashTable* props) /* {{{ */
	-{
	- zval increment, timestamp;
	-
	- if ((increment = zend_hash_str_find(props, "increment", sizeof("increment") - 1)) && Z_TYPE_P(increment) == IS_LONG &&
	- (timestamp = zend_hash_str_find(props, "timestamp", sizeof("timestamp") - 1)) && Z_TYPE_P(timestamp) == IS_LONG) {
	-
	- return php_phongo_timestamp_init(intern, Z_LVAL_P(increment), Z_LVAL_P(timestamp));
	- }
	- if ((increment = zend_hash_str_find(props, "increment", sizeof("increment") - 1)) && Z_TYPE_P(increment) == IS_STRING &&
	- (timestamp = zend_hash_str_find(props, "timestamp", sizeof("timestamp") - 1)) && Z_TYPE_P(timestamp) == IS_STRING) {
	-
	- return php_phongo_timestamp_init_from_string(intern, Z_STRVAL_P(increment), Z_STRLEN_P(increment), Z_STRVAL_P(timestamp), Z_STRLEN_P(timestamp));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"increment\" and \"timestamp\" integer or numeric string fields", ZSTR_VAL(php_phongo_timestamp_ce->name));
	- return false;
	-} /* }}} */
	-
	-static HashTable* php_phongo_timestamp_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_timestamp_t* intern;
	- HashTable* props;
	- char s_increment[24];
	- char s_timestamp[24];
	- int s_increment_len;
	- int s_timestamp_len;
	-
	- intern = Z_OBJ_TIMESTAMP(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	-
	- if (!intern->initialized) {
	- return props;
	- }
	-
	- s_increment_len = snprintf(s_increment, sizeof(s_increment), "%" PRIu32, intern->increment);
	- s_timestamp_len = snprintf(s_timestamp, sizeof(s_timestamp), "%" PRIu32, intern->timestamp);
	-
	- {
	- zval increment, timestamp;
	-
	- ZVAL_STRINGL(&increment, s_increment, s_increment_len);
	- zend_hash_str_update(props, "increment", sizeof("increment") - 1, &increment);
	-
	- ZVAL_STRINGL(&timestamp, s_timestamp, s_timestamp_len);
	- zend_hash_str_update(props, "timestamp", sizeof("timestamp") - 1, &timestamp);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Timestamp::__construct(int\|string $increment, int\|string $timestamp)
	- Construct a new BSON timestamp type, which consists of a 4-byte increment and
	- 4-byte timestamp. */
	-static PHP_METHOD(Timestamp, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	- zval * increment = NULL, *timestamp = NULL;
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &increment, &timestamp) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (Z_TYPE_P(increment) == IS_LONG && Z_TYPE_P(timestamp) == IS_LONG) {
	- php_phongo_timestamp_init(intern, Z_LVAL_P(increment), Z_LVAL_P(timestamp));
	- return;
	- }
	-
	- if (Z_TYPE_P(increment) == IS_LONG) {
	- convert_to_string(increment);
	- }
	-
	- if (Z_TYPE_P(increment) != IS_STRING) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected increment to be an unsigned 32-bit integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(increment));
	- return;
	- }
	-
	- if (Z_TYPE_P(timestamp) == IS_LONG) {
	- convert_to_string(timestamp);
	- }
	-
	- if (Z_TYPE_P(timestamp) != IS_STRING) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected timestamp to be an unsigned 32-bit integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(timestamp));
	- return;
	- }
	-
	- php_phongo_timestamp_init_from_string(intern, Z_STRVAL_P(increment), Z_STRLEN_P(increment), Z_STRVAL_P(timestamp), Z_STRLEN_P(timestamp));
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\BSON\Timestamp::getIncrement()
	-*/
	-static PHP_METHOD(Timestamp, getIncrement)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETVAL_LONG(intern->increment);
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\BSON\Timestamp::getTimestamp()
	-*/
	-static PHP_METHOD(Timestamp, getTimestamp)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETVAL_LONG(intern->timestamp);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Timestamp MongoDB\BSON\Timestamp::__set_state(array $properties)
	-*/
	-static PHP_METHOD(Timestamp, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_timestamp_ce);
	-
	- intern = Z_TIMESTAMP_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_timestamp_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Timestamp::__toString()
	- Returns a string in the form: [increment:timestamp] */
	-static PHP_METHOD(Timestamp, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	- char* retval;
	- int retval_len;
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- retval_len = spprintf(&retval, 0, "[%" PRIu32 ":%" PRIu32 "]", intern->increment, intern->timestamp);
	- RETVAL_STRINGL(retval, retval_len);
	- efree(retval);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Timestamp::jsonSerialize()
	-*/
	-static PHP_METHOD(Timestamp, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- array_init_size(return_value, 1);
	-
	- {
	- zval ts;
	-
	- array_init_size(&ts, 2);
	- ADD_ASSOC_LONG_EX(&ts, "t", intern->timestamp);
	- ADD_ASSOC_LONG_EX(&ts, "i", intern->increment);
	- ADD_ASSOC_ZVAL_EX(return_value, "$timestamp", &ts);
	- }
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Timestamp::serialize()
	-*/
	-static PHP_METHOD(Timestamp, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	- char s_increment[12];
	- char s_timestamp[12];
	- int s_increment_len;
	- int s_timestamp_len;
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- s_increment_len = snprintf(s_increment, sizeof(s_increment), "%" PRIu32, intern->increment);
	- s_timestamp_len = snprintf(s_timestamp, sizeof(s_timestamp), "%" PRIu32, intern->timestamp);
	-
	- array_init_size(&retval, 2);
	- ADD_ASSOC_STRINGL(&retval, "increment", s_increment, s_increment_len);
	- ADD_ASSOC_STRINGL(&retval, "timestamp", s_timestamp, s_timestamp_len);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Timestamp::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Timestamp, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_timestamp_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_TIMESTAMP_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_timestamp_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_timestamp_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Timestamp::__serialize()
	-*/
	-static PHP_METHOD(Timestamp, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_timestamp_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Timestamp::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Timestamp, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_timestamp_init_from_hash(Z_TIMESTAMP_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Timestamp function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp___construct, 0, 0, 2)
	- ZEND_ARG_INFO(0, increment)
	- ZEND_ARG_INFO(0, timestamp)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Timestamp___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Timestamp_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_timestamp_me[] = {
	- PHP_ME(Timestamp, __construct, ai_Timestamp___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, __serialize, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, __set_state, ai_Timestamp___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(Timestamp, __toString, ai_Timestamp___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, __unserialize, ai_Timestamp___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, jsonSerialize, ai_Timestamp_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, serialize, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, unserialize, ai_Timestamp_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, getIncrement, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Timestamp, getTimestamp, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Timestamp object handlers */
	-static zend_object_handlers php_phongo_handler_timestamp;
	-
	-static void php_phongo_timestamp_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_timestamp_t* intern = Z_OBJ_TIMESTAMP(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_timestamp_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_timestamp_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_timestamp_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_timestamp;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_timestamp_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_timestamp_t* intern;
	- php_phongo_timestamp_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_TIMESTAMP(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_timestamp_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_TIMESTAMP(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_timestamp_init(new_intern, intern->increment, intern->timestamp);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_timestamp_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_timestamp_t intern1, intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_TIMESTAMP_OBJ_P(o1);
	- intern2 = Z_TIMESTAMP_OBJ_P(o2);
	-
	- /* MongoDB compares the timestamp before the increment. */
	- if (intern1->timestamp != intern2->timestamp) {
	- return intern1->timestamp < intern2->timestamp ? -1 : 1;
	- }
	-
	- if (intern1->increment != intern2->increment) {
	- return intern1->increment < intern2->increment ? -1 : 1;
	- }
	-
	- return 0;
	-} /* }}} */
	-
	-static HashTable* php_phongo_timestamp_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_timestamp_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_timestamp_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_timestamp_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_timestamp_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Timestamp", php_phongo_timestamp_me);
	- php_phongo_timestamp_ce = zend_register_internal_class(&ce);
	- php_phongo_timestamp_ce->create_object = php_phongo_timestamp_create_object;
	- PHONGO_CE_FINAL(php_phongo_timestamp_ce);
	-
	- zend_class_implements(php_phongo_timestamp_ce, 1, php_phongo_timestamp_interface_ce);
	- zend_class_implements(php_phongo_timestamp_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_timestamp_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_timestamp_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_timestamp_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_timestamp, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(timestamp);
	- php_phongo_handler_timestamp.clone_obj = php_phongo_timestamp_clone_object;
	- php_phongo_handler_timestamp.get_debug_info = php_phongo_timestamp_get_debug_info;
	- php_phongo_handler_timestamp.get_properties = php_phongo_timestamp_get_properties;
	- php_phongo_handler_timestamp.free_obj = php_phongo_timestamp_free_object;
	- php_phongo_handler_timestamp.offset = XtOffsetOf(php_phongo_timestamp_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/TimestampInterface.c b/mongodb-1.12.0/src/BSON/TimestampInterface.c
	deleted file mode 100644
	index ea4377b6..00000000
	--- a/mongodb-1.12.0/src/BSON/TimestampInterface.c
	+++ /dev/null
	@@ -1,60 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_timestamp_interface_ce;
	-
	-/* {{{ MongoDB\BSON\TimestampInterface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_TimestampInterface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_TimestampInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_timestamp_interface_me[] = {
	- ZEND_ABSTRACT_ME(TimestampInterface, getIncrement, ai_TimestampInterface_void)
	- ZEND_ABSTRACT_ME(TimestampInterface, getTimestamp, ai_TimestampInterface_void)
	- ZEND_ABSTRACT_ME(TimestampInterface, __toString, ai_TimestampInterface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_timestamp_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "TimestampInterface", php_phongo_timestamp_interface_me);
	- php_phongo_timestamp_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Type.c b/mongodb-1.12.0/src/BSON/Type.c
	deleted file mode 100644
	index a7d41793..00000000
	--- a/mongodb-1.12.0/src/BSON/Type.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_type_ce;
	-
	-/* {{{ MongoDB\BSON\Type function entries */
	-static zend_function_entry php_phongo_type_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_type_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Type", php_phongo_type_me);
	- php_phongo_type_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/UTCDateTime.c b/mongodb-1.12.0/src/BSON/UTCDateTime.c
	deleted file mode 100644
	index 3b09e896..00000000
	--- a/mongodb-1.12.0/src/BSON/UTCDateTime.c
	+++ /dev/null
	@@ -1,531 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <math.h>
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/date/php_date.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#ifdef PHP_WIN32
	-#include "win32/time.h"
	-#endif
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_utcdatetime_ce;
	-
	-/* Initialize the object and return whether it was successful. */
	-static bool php_phongo_utcdatetime_init(php_phongo_utcdatetime_t* intern, int64_t milliseconds) /* {{{ */
	-{
	- intern->milliseconds = milliseconds;
	- intern->initialized = true;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a numeric string and return whether it was
	- * successful. An exception will be thrown on error. */
	-static bool php_phongo_utcdatetime_init_from_string(php_phongo_utcdatetime_t* intern, const char* s_milliseconds, size_t s_milliseconds_len) /* {{{ */
	-{
	- int64_t milliseconds;
	-
	- if (!php_phongo_parse_int64(&milliseconds, s_milliseconds, s_milliseconds_len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer for %s initialization", s_milliseconds, ZSTR_VAL(php_phongo_utcdatetime_ce->name));
	- return false;
	- }
	-
	- return php_phongo_utcdatetime_init(intern, milliseconds);
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_utcdatetime_init_from_hash(php_phongo_utcdatetime_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* milliseconds;
	-
	- if ((milliseconds = zend_hash_str_find(props, "milliseconds", sizeof("milliseconds") - 1)) && Z_TYPE_P(milliseconds) == IS_LONG) {
	- return php_phongo_utcdatetime_init(intern, Z_LVAL_P(milliseconds));
	- }
	-
	- if ((milliseconds = zend_hash_str_find(props, "milliseconds", sizeof("milliseconds") - 1)) && Z_TYPE_P(milliseconds) == IS_STRING) {
	- return php_phongo_utcdatetime_init_from_string(intern, Z_STRVAL_P(milliseconds), Z_STRLEN_P(milliseconds));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"milliseconds\" integer or numeric string field", ZSTR_VAL(php_phongo_utcdatetime_ce->name));
	- return false;
	-} /* }}} */
	-
	-/* Initialize the object from the current time and return whether it was
	- * successful. */
	-static bool php_phongo_utcdatetime_init_from_current_time(php_phongo_utcdatetime_t* intern) /* {{{ */
	-{
	- int64_t sec, usec;
	- struct timeval cur_time;
	-
	- bson_gettimeofday(&cur_time);
	- sec = cur_time.tv_sec;
	- usec = cur_time.tv_usec;
	-
	- intern->milliseconds = (sec * 1000) + (usec / 1000);
	- intern->initialized = true;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a DateTime object and return whether it was
	- * successful. */
	-static bool php_phongo_utcdatetime_init_from_date(php_phongo_utcdatetime_t* intern, php_date_obj* datetime_obj) /* {{{ */
	-{
	- int64_t sec, usec;
	-
	- /* The following assignments use the same logic as date_format() in php_date.c */
	- sec = datetime_obj->time->sse;
	- usec = (int64_t) floor(datetime_obj->time->us);
	-
	- intern->milliseconds = (sec * 1000) + (usec / 1000);
	- intern->initialized = true;
	-
	- return true;
	-} /* }}} */
	-
	-static HashTable* php_phongo_utcdatetime_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_utcdatetime_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_UTCDATETIME(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	-
	- if (!intern->initialized) {
	- return props;
	- }
	-
	- {
	- zval milliseconds;
	-
	- ZVAL_INT64_STRING(&milliseconds, intern->milliseconds);
	- zend_hash_str_update(props, "milliseconds", sizeof("milliseconds") - 1, &milliseconds);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\UTCDateTime::__construct([int\|float\|string\|DateTimeInterface $milliseconds = null])
	- Construct a new BSON UTCDateTime type from either the current time,
	- milliseconds since the epoch, or a DateTimeInterface object. Defaults to the
	- current time. */
	-static PHP_METHOD(UTCDateTime, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	- zval* milliseconds = NULL;
	-
	- intern = Z_UTCDATETIME_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|z!", &milliseconds) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (milliseconds == NULL) {
	- php_phongo_utcdatetime_init_from_current_time(intern);
	- return;
	- }
	-
	- if (Z_TYPE_P(milliseconds) == IS_OBJECT) {
	- if (instanceof_function(Z_OBJCE_P(milliseconds), php_date_get_date_ce()) \|\|
	- (php_phongo_date_immutable_ce && instanceof_function(Z_OBJCE_P(milliseconds), php_phongo_date_immutable_ce))) {
	-
	- php_phongo_utcdatetime_init_from_date(intern, Z_PHPDATE_P(milliseconds));
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected instance of DateTimeInterface, %s given", ZSTR_VAL(Z_OBJCE_P(milliseconds)->name));
	- }
	- return;
	- }
	-
	- if (Z_TYPE_P(milliseconds) == IS_LONG) {
	- php_phongo_utcdatetime_init(intern, Z_LVAL_P(milliseconds));
	- return;
	- }
	-
	- if (Z_TYPE_P(milliseconds) == IS_DOUBLE) {
	- char tmp[24];
	- int tmp_len;
	-
	- tmp_len = snprintf(tmp, sizeof(tmp), "%.0f", Z_DVAL_P(milliseconds) > 0 ? floor(Z_DVAL_P(milliseconds)) : ceil(Z_DVAL_P(milliseconds)));
	-
	- php_phongo_utcdatetime_init_from_string(intern, tmp, tmp_len);
	- return;
	- }
	-
	- if (Z_TYPE_P(milliseconds) != IS_STRING) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(milliseconds));
	- return;
	- }
	-
	- php_phongo_utcdatetime_init_from_string(intern, Z_STRVAL_P(milliseconds), Z_STRLEN_P(milliseconds));
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\UTCDateTime MongoDB\BSON\UTCDateTime::__set_state(array $properties)
	-*/
	-static PHP_METHOD(UTCDateTime, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_utcdatetime_ce);
	-
	- intern = Z_UTCDATETIME_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_utcdatetime_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\UTCDateTime::__toString()
	- Returns the UTCDateTime's milliseconds as a string */
	-static PHP_METHOD(UTCDateTime, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	-
	- intern = Z_UTCDATETIME_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- ZVAL_INT64_STRING(return_value, intern->milliseconds);
	-} /* }}} */
	-
	-/* {{{ proto DateTime MongoDB\BSON\UTCDateTime::toDateTime()
	- Returns a DateTime object representing this UTCDateTime */
	-static PHP_METHOD(UTCDateTime, toDateTime)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	- php_date_obj* datetime_obj;
	- char* sec;
	- size_t sec_len;
	-
	- intern = Z_UTCDATETIME_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_date_get_date_ce());
	- datetime_obj = Z_PHPDATE_P(return_value);
	-
	- sec_len = spprintf(&sec, 0, "@%" PRId64, intern->milliseconds / 1000);
	- php_date_initialize(datetime_obj, sec, sec_len, NULL, NULL, 0);
	- efree(sec);
	-
	- datetime_obj->time->us = (intern->milliseconds % 1000) * 1000;
	-}
	-/* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\UTCDateTime::jsonSerialize()
	-*/
	-static PHP_METHOD(UTCDateTime, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_UTCDATETIME_OBJ_P(getThis());
	-
	- array_init_size(return_value, 1);
	-
	- {
	- zval udt;
	-
	- array_init_size(&udt, 1);
	- ADD_ASSOC_INT64_AS_STRING(&udt, "$numberLong", intern->milliseconds);
	- ADD_ASSOC_ZVAL_EX(return_value, "$date", &udt);
	- }
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\UTCDateTime::serialize()
	-*/
	-static PHP_METHOD(UTCDateTime, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_UTCDATETIME_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(&retval, 1);
	- ADD_ASSOC_INT64_AS_STRING(&retval, "milliseconds", intern->milliseconds);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\UTCDateTime::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(UTCDateTime, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_utcdatetime_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_UTCDATETIME_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_utcdatetime_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_utcdatetime_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\UTCDateTime::__serialize()
	-*/
	-static PHP_METHOD(UTCDateTime, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_utcdatetime_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\UTCDateTime::__unserialize(array $data)
	-*/
	-static PHP_METHOD(UTCDateTime, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_utcdatetime_init_from_hash(Z_UTCDATETIME_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\UTCDateTime function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime___construct, 0, 0, 0)
	- ZEND_ARG_INFO(0, milliseconds)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_UTCDateTime___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_UTCDateTime_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_utcdatetime_me[] = {
	- PHP_ME(UTCDateTime, __construct, ai_UTCDateTime___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, __serialize, ai_UTCDateTime_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, __set_state, ai_UTCDateTime___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(UTCDateTime, __toString, ai_UTCDateTime___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, __unserialize, ai_UTCDateTime___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, jsonSerialize, ai_UTCDateTime_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, serialize, ai_UTCDateTime_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, unserialize, ai_UTCDateTime_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(UTCDateTime, toDateTime, ai_UTCDateTime_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\UTCDateTime object handlers */
	-static zend_object_handlers php_phongo_handler_utcdatetime;
	-
	-static void php_phongo_utcdatetime_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_utcdatetime_t* intern = Z_OBJ_UTCDATETIME(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_utcdatetime_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_utcdatetime_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_utcdatetime_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_utcdatetime;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static zend_object* php_phongo_utcdatetime_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- php_phongo_utcdatetime_t* intern;
	- php_phongo_utcdatetime_t* new_intern;
	- zend_object* new_object;
	-
	- intern = Z_OBJ_UTCDATETIME(PHONGO_COMPAT_GET_OBJ(object));
	- new_object = php_phongo_utcdatetime_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	-
	- new_intern = Z_OBJ_UTCDATETIME(new_object);
	- zend_objects_clone_members(&new_intern->std, &intern->std);
	-
	- php_phongo_utcdatetime_init(new_intern, intern->milliseconds);
	-
	- return new_object;
	-} /* }}} */
	-
	-static int php_phongo_utcdatetime_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_utcdatetime_t intern1, intern2;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_UTCDATETIME_OBJ_P(o1);
	- intern2 = Z_UTCDATETIME_OBJ_P(o2);
	-
	- if (intern1->milliseconds != intern2->milliseconds) {
	- return intern1->milliseconds < intern2->milliseconds ? -1 : 1;
	- }
	-
	- return 0;
	-} /* }}} */
	-
	-static HashTable* php_phongo_utcdatetime_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_utcdatetime_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_utcdatetime_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_utcdatetime_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_utcdatetime_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "UTCDateTime", php_phongo_utcdatetime_me);
	- php_phongo_utcdatetime_ce = zend_register_internal_class(&ce);
	- php_phongo_utcdatetime_ce->create_object = php_phongo_utcdatetime_create_object;
	- PHONGO_CE_FINAL(php_phongo_utcdatetime_ce);
	-
	- zend_class_implements(php_phongo_utcdatetime_ce, 1, php_phongo_utcdatetime_interface_ce);
	- zend_class_implements(php_phongo_utcdatetime_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_utcdatetime_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_utcdatetime_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_utcdatetime_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_utcdatetime, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(utcdatetime);
	- php_phongo_handler_utcdatetime.clone_obj = php_phongo_utcdatetime_clone_object;
	- php_phongo_handler_utcdatetime.get_debug_info = php_phongo_utcdatetime_get_debug_info;
	- php_phongo_handler_utcdatetime.get_properties = php_phongo_utcdatetime_get_properties;
	- php_phongo_handler_utcdatetime.free_obj = php_phongo_utcdatetime_free_object;
	- php_phongo_handler_utcdatetime.offset = XtOffsetOf(php_phongo_utcdatetime_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/UTCDateTimeInterface.c b/mongodb-1.12.0/src/BSON/UTCDateTimeInterface.c
	deleted file mode 100644
	index 13ab6f07..00000000
	--- a/mongodb-1.12.0/src/BSON/UTCDateTimeInterface.c
	+++ /dev/null
	@@ -1,59 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_utcdatetime_interface_ce;
	-
	-/* {{{ MongoDB\BSON\UTCDateTimeInterface function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_UTCDateTimeInterface___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTimeInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_utcdatetime_interface_me[] = {
	- ZEND_ABSTRACT_ME(UTCDateTimeInterface, toDateTime, ai_UTCDateTimeInterface_void)
	- ZEND_ABSTRACT_ME(UTCDateTimeInterface, __toString, ai_UTCDateTimeInterface___toString)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-void php_phongo_utcdatetime_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "UTCDateTimeInterface", php_phongo_utcdatetime_interface_me);
	- php_phongo_utcdatetime_interface_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Undefined.c b/mongodb-1.12.0/src/BSON/Undefined.c
	deleted file mode 100644
	index 9a9c4b00..00000000
	--- a/mongodb-1.12.0/src/BSON/Undefined.c
	+++ /dev/null
	@@ -1,204 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_undefined_ce;
	-
	-/* {{{ proto string MongoDB\BSON\Undefined::__toString()
	- Return the empty string. */
	-static PHP_METHOD(Undefined, __toString)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRINGL("", 0);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\BSON\Undefined::jsonSerialize()
	-*/
	-static PHP_METHOD(Undefined, jsonSerialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init_size(return_value, 1);
	- ADD_ASSOC_BOOL_EX(return_value, "$undefined", 1);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\Undefined::serialize()
	-*/
	-static PHP_METHOD(Undefined, serialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRING("");
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\BSON\Undefined::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(Undefined, unserialize)
	-{
	- zend_error_handling error_handling;
	- char* serialized;
	- size_t serialized_len;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Undefined::__serialize()
	-*/
	-static PHP_METHOD(Undefined, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- array_init_size(return_value, 0);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Undefined::__unserialize(array $data)
	-*/
	-static PHP_METHOD(Undefined, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-} /* }}} */
	-
	-/* {{{ MongoDB\BSON\Undefined function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Undefined___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Undefined___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Undefined_jsonSerialize, 0, 0, IS_ARRAY, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Undefined_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Undefined_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_undefined_me[] = {
	- /* __set_state intentionally missing */
	- PHP_ME(Undefined, __serialize, ai_Undefined_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Undefined, __toString, ai_Undefined___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Undefined, __unserialize, ai_Undefined___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Undefined, jsonSerialize, ai_Undefined_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Undefined, serialize, ai_Undefined_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Undefined, unserialize, ai_Undefined_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Undefined_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\BSON\Undefined object handlers */
	-static zend_object_handlers php_phongo_handler_undefined;
	-
	-static void php_phongo_undefined_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_undefined_t* intern = Z_OBJ_UNDEFINED(object);
	-
	- zend_object_std_dtor(&intern->std);
	-} /* }}} */
	-
	-static zend_object* php_phongo_undefined_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_undefined_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_undefined_t, class_type);
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_undefined;
	-
	- return &intern->std;
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_undefined_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Undefined", php_phongo_undefined_me);
	- php_phongo_undefined_ce = zend_register_internal_class(&ce);
	- php_phongo_undefined_ce->create_object = php_phongo_undefined_create_object;
	- PHONGO_CE_FINAL(php_phongo_undefined_ce);
	-
	- zend_class_implements(php_phongo_undefined_ce, 1, php_phongo_json_serializable_ce);
	- zend_class_implements(php_phongo_undefined_ce, 1, php_phongo_type_ce);
	- zend_class_implements(php_phongo_undefined_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_undefined_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_undefined, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- /* Re-assign default handler previously removed in php_phongo.c */
	- php_phongo_handler_undefined.clone_obj = zend_objects_clone_obj;
	- php_phongo_handler_undefined.free_obj = php_phongo_undefined_free_object;
	- php_phongo_handler_undefined.offset = XtOffsetOf(php_phongo_undefined_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/Unserializable.c b/mongodb-1.12.0/src/BSON/Unserializable.c
	deleted file mode 100644
	index 27b9331c..00000000
	--- a/mongodb-1.12.0/src/BSON/Unserializable.c
	+++ /dev/null
	@@ -1,56 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_unserializable_ce;
	-
	-/* {{{ MongoDB\BSON\Unserializable function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Unserializable_bsonUnserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_unserializable_me[] = {
	- /* clang-format off */
	- ZEND_ABSTRACT_ME(Unserializable, bsonUnserialize, ai_Unserializable_bsonUnserialize)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_unserializable_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Unserializable", php_phongo_unserializable_me);
	- php_phongo_unserializable_ce = zend_register_internal_interface(&ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/functions.c b/mongodb-1.12.0/src/BSON/functions.c
	deleted file mode 100644
	index 20638a58..00000000
	--- a/mongodb-1.12.0/src/BSON/functions.c
	+++ /dev/null
	@@ -1,193 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-typedef enum {
	- PHONGO_JSON_MODE_LEGACY,
	- PHONGO_JSON_MODE_CANONICAL,
	- PHONGO_JSON_MODE_RELAXED,
	-} php_phongo_json_mode_t;
	-
	-/* {{{ proto string MongoDB\BSON\fromPHP(array\|object $value)
	- Returns the BSON representation of a PHP value */
	-PHP_FUNCTION(MongoDB_BSON_fromPHP)
	-{
	- zend_error_handling error_handling;
	- zval* data;
	- bson_t* bson;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "A", &data) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- bson = bson_new();
	- php_phongo_zval_to_bson(data, PHONGO_BSON_NONE, bson, NULL);
	-
	- RETVAL_STRINGL((const char*) bson_get_data(bson), bson->len);
	- bson_destroy(bson);
	-} /* }}} */
	-
	-/* {{{ proto array\|object MongoDB\BSON\toPHP(string $bson [, array $typemap = array()])
	- Returns the PHP representation of a BSON value, optionally converting it into a custom class */
	-PHP_FUNCTION(MongoDB_BSON_toPHP)
	-{
	- zend_error_handling error_handling;
	- char* data;
	- size_t data_len;
	- zval* typemap = NULL;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|a!", &data, &data_len, &typemap) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!php_phongo_bson_typemap_to_state(typemap, &state.map)) {
	- return;
	- }
	-
	- if (!php_phongo_bson_to_zval_ex((const unsigned char*) data, data_len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- php_phongo_bson_typemap_dtor(&state.map);
	- RETURN_NULL();
	- }
	-
	- php_phongo_bson_typemap_dtor(&state.map);
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\fromJSON(string $json)
	- Returns the BSON representation of a JSON value */
	-PHP_FUNCTION(MongoDB_BSON_fromJSON)
	-{
	- zend_error_handling error_handling;
	- char* json;
	- size_t json_len;
	- bson_t bson = BSON_INITIALIZER;
	- bson_error_t error = { 0 };
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &json, &json_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (bson_init_from_json(&bson, (const char*) json, json_len, &error)) {
	- RETVAL_STRINGL((const char*) bson_get_data(&bson), bson.len);
	- bson_destroy(&bson);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s", error.domain == BSON_ERROR_JSON ? error.message : "Error parsing JSON");
	- }
	-} /* }}} */
	-
	-static void phongo_bson_to_json(INTERNAL_FUNCTION_PARAMETERS, php_phongo_json_mode_t mode)
	-{
	- zend_error_handling error_handling;
	- char* data;
	- size_t data_len;
	- const bson_t* bson;
	- bool eof = false;
	- bson_reader_t* reader;
	- char* json = NULL;
	- size_t json_len;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &data, &data_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- reader = bson_reader_new_from_data((const unsigned char*) data, data_len);
	- bson = bson_reader_read(reader, NULL);
	-
	- if (!bson) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not read document from BSON reader");
	- bson_reader_destroy(reader);
	- return;
	- }
	-
	- if (mode == PHONGO_JSON_MODE_LEGACY) {
	- json = bson_as_json(bson, &json_len);
	- } else if (mode == PHONGO_JSON_MODE_CANONICAL) {
	- json = bson_as_canonical_extended_json(bson, &json_len);
	- } else if (mode == PHONGO_JSON_MODE_RELAXED) {
	- json = bson_as_relaxed_extended_json(bson, &json_len);
	- }
	-
	- if (!json) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not convert BSON document to a JSON string");
	- bson_reader_destroy(reader);
	- return;
	- }
	-
	- RETVAL_STRINGL(json, json_len);
	- bson_free(json);
	-
	- if (bson_reader_read(reader, &eof) \|\| !eof) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Reading document did not exhaust input buffer");
	- }
	-
	- bson_reader_destroy(reader);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\toJSON(string $bson)
	- Returns the legacy extended JSON representation of a BSON value */
	-PHP_FUNCTION(MongoDB_BSON_toJSON)
	-{
	- phongo_bson_to_json(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHONGO_JSON_MODE_LEGACY);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\toCanonicalExtendedJSON(string $bson)
	- Returns the canonical extended JSON representation of a BSON value */
	-PHP_FUNCTION(MongoDB_BSON_toCanonicalExtendedJSON)
	-{
	- phongo_bson_to_json(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHONGO_JSON_MODE_CANONICAL);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\BSON\toRelaxedExtendedJSON(string $bson)
	- Returns the relaxed extended JSON representation of a BSON value */
	-PHP_FUNCTION(MongoDB_BSON_toRelaxedExtendedJSON)
	-{
	- phongo_bson_to_json(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHONGO_JSON_MODE_RELAXED);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/BSON/functions.h b/mongodb-1.12.0/src/BSON/functions.h
	deleted file mode 100644
	index 00556fe3..00000000
	--- a/mongodb-1.12.0/src/BSON/functions.h
	+++ /dev/null
	@@ -1,39 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_BSON_FUNCTIONS_H
	-#define PHONGO_BSON_FUNCTIONS_H
	-
	-#include <php.h>
	-
	-PHP_FUNCTION(MongoDB_BSON_fromPHP);
	-PHP_FUNCTION(MongoDB_BSON_toPHP);
	-
	-PHP_FUNCTION(MongoDB_BSON_fromJSON);
	-PHP_FUNCTION(MongoDB_BSON_toJSON);
	-PHP_FUNCTION(MongoDB_BSON_toCanonicalExtendedJSON);
	-PHP_FUNCTION(MongoDB_BSON_toRelaxedExtendedJSON);
	-
	-#endif /* PHONGO_BSON_FUNCTIONS_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/LIBMONGOCRYPT_VERSION_CURRENT b/mongodb-1.12.0/src/LIBMONGOCRYPT_VERSION_CURRENT
	deleted file mode 100644
	index f0bb29e7..00000000
	--- a/mongodb-1.12.0/src/LIBMONGOCRYPT_VERSION_CURRENT
	+++ /dev/null
	@@ -1 +0,0 @@
	-1.3.0
	diff --git a/mongodb-1.12.0/src/LIBMONGOC_VERSION_CURRENT b/mongodb-1.12.0/src/LIBMONGOC_VERSION_CURRENT
	deleted file mode 100644
	index 39893559..00000000
	--- a/mongodb-1.12.0/src/LIBMONGOC_VERSION_CURRENT
	+++ /dev/null
	@@ -1 +0,0 @@
	-1.20.0
	diff --git a/mongodb-1.12.0/src/MongoDB/BulkWrite.c b/mongodb-1.12.0/src/MongoDB/BulkWrite.c
	deleted file mode 100644
	index e583ba2f..00000000
	--- a/mongodb-1.12.0/src/MongoDB/BulkWrite.c
	+++ /dev/null
	@@ -1,684 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_array_api.h"
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-#define PHONGO_BULKWRITE_BYPASS_UNSET -1
	-
	-zend_class_entry* php_phongo_bulkwrite_ce;
	-
	-/* Extracts the "_id" field of a BSON document into a return value. */
	-static void php_phongo_bulkwrite_extract_id(bson_t* doc, zval** return_value) /* {{{ */
	-{
	- zval* id = NULL;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	- state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &state)) {
	- goto cleanup;
	- }
	-
	- id = php_array_fetchc(&state.zchild, "_id");
	-
	- if (id) {
	- ZVAL_ZVAL(*return_value, id, 1, 0);
	- }
	-
	-cleanup:
	- zval_ptr_dtor(&state.zchild);
	-} /* }}} */
	-
	-/* Returns whether any top-level field names in the document contain a "$". */
	-static inline bool php_phongo_bulkwrite_update_has_operators(bson_t* bupdate) /* {{{ */
	-{
	- bson_iter_t iter;
	-
	- if (bson_iter_init(&iter, bupdate)) {
	- while (bson_iter_next(&iter)) {
	- if (strchr(bson_iter_key(&iter), '$')) {
	- return true;
	- }
	- }
	- }
	-
	- return false;
	-} /* }}} */
	-
	-/* Returns whether the update document is considered an aggregation pipeline */
	-static inline bool php_phongo_bulkwrite_update_is_pipeline(bson_t* bupdate) /* {{{ */
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	- const char* key;
	- int i = 0;
	- char* i_str;
	-
	- if (!bson_iter_init(&iter, bupdate)) {
	- return false;
	- }
	-
	- while (bson_iter_next(&iter)) {
	- key = bson_iter_key(&iter);
	- i_str = bson_strdup_printf("%d", i++);
	-
	- if (strcmp(key, i_str)) {
	- bson_free(i_str);
	- return false;
	- }
	-
	- bson_free(i_str);
	-
	- if (BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- if (!bson_iter_recurse(&iter, &child)) {
	- return false;
	- }
	- if (!bson_iter_next(&child)) {
	- return false;
	- }
	- key = bson_iter_key(&child);
	- if (key[0] != '$') {
	- return false;
	- }
	- } else {
	- return false;
	- }
	- }
	-
	- /* should return false when the document is empty */
	- return i != 0;
	-} /* }}} */
	-
	-/* Returns whether the BSON array's keys are a sequence of integer strings
	- * starting with "0". BSON_APPEND_ARRAY considers it the caller's responsibility
	- * to ensure that the array's keys are properly formatted. */
	-static inline bool php_phongo_bulkwrite_bson_array_has_valid_keys(bson_t* array) /* {{{ */
	-{
	- bson_iter_t iter;
	-
	- if (bson_empty(array)) {
	- return true;
	- }
	-
	- if (bson_iter_init(&iter, array)) {
	- char key[12];
	- int count = 0;
	-
	- while (bson_iter_next(&iter)) {
	- bson_snprintf(key, sizeof(key), "%d", count);
	-
	- if (0 != strcmp(key, bson_iter_key(&iter))) {
	- return false;
	- }
	-
	- count++;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Appends an array field for the given opts document and key. Returns true on
	- * success; otherwise, false is returned and an exception is thrown. */
	-static bool php_phongo_bulkwrite_opts_append_array(bson_t* opts, const char* key, zval* zarr) /* {{{ */
	-{
	- zval* value = php_array_fetch(zarr, key);
	- bson_t b = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" option to be array or object, %s given", key, zend_get_type_by_const(Z_TYPE_P(value)));
	- return false;
	- }
	-
	- php_phongo_zval_to_bson(value, PHONGO_BSON_NONE, &b, NULL);
	-
	- if (EG(exception)) {
	- bson_destroy(&b);
	- return false;
	- }
	-
	- if (!php_phongo_bulkwrite_bson_array_has_valid_keys(&b)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"%s\" option has invalid keys for a BSON array", key);
	- bson_destroy(&b);
	- return false;
	- }
	-
	- if (!BSON_APPEND_ARRAY(opts, key, &b)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", key);
	- bson_destroy(&b);
	- return false;
	- }
	-
	- bson_destroy(&b);
	- return true;
	-} /* }}} */
	-
	-/* Appends a document field for the given opts document and key. Returns true on
	- * success; otherwise, false is returned and an exception is thrown. */
	-static bool php_phongo_bulkwrite_opts_append_document(bson_t* opts, const char* key, zval* zarr) /* {{{ */
	-{
	- zval* value = php_array_fetch(zarr, key);
	- bson_t b = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" option to be array or object, %s given", key, zend_get_type_by_const(Z_TYPE_P(value)));
	- return false;
	- }
	-
	- php_phongo_zval_to_bson(value, PHONGO_BSON_NONE, &b, NULL);
	-
	- if (EG(exception)) {
	- bson_destroy(&b);
	- return false;
	- }
	-
	- if (!BSON_APPEND_DOCUMENT(opts, key, &b)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", key);
	- bson_destroy(&b);
	- return false;
	- }
	-
	- bson_destroy(&b);
	- return true;
	-} /* }}} */
	-
	-#define PHONGO_BULKWRITE_APPEND_BOOL(opt, value) \
	- if (!BSON_APPEND_BOOL(boptions, (opt), (value))) { \
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	- return false; \
	- }
	-
	-#define PHONGO_BULKWRITE_APPEND_INT32(opt, value) \
	- if (!BSON_APPEND_INT32(boptions, (opt), (value))) { \
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	- return false; \
	- }
	-
	-#define PHONGO_BULKWRITE_OPT_ARRAY(opt) \
	- if (zoptions && php_array_existsc(zoptions, (opt))) { \
	- if (!php_phongo_bulkwrite_opts_append_array(boptions, (opt), zoptions)) { \
	- return false; \
	- } \
	- }
	-
	-#define PHONGO_BULKWRITE_OPT_DOCUMENT(opt) \
	- if (zoptions && php_array_existsc(zoptions, (opt))) { \
	- if (!php_phongo_bulkwrite_opts_append_document(boptions, (opt), zoptions)) { \
	- return false; \
	- } \
	- }
	-
	-/* Initialize the "hint" option. Returns true on success; otherwise, false is
	- * returned and an exception is thrown.
	- *
	- * The "hint" option must be a string or document. Check for both types and
	- * merge into BSON options accordingly. */
	-static bool php_phongo_bulkwrite_opt_hint(bson_t* boptions, zval* zoptions) /* {{{ */
	-{
	- /* The "hint" option (or "$hint" modifier) must be a string or document.
	- * Check for both types and merge into BSON options accordingly. */
	- if (zoptions && php_array_existsc(zoptions, "hint")) {
	- zend_uchar type = Z_TYPE_P(php_array_fetchc(zoptions, "hint"));
	-
	- if (type == IS_STRING) {
	- zval* value = php_array_fetchc(zoptions, "hint");
	-
	- if (!bson_append_utf8(boptions, "hint", 4, Z_STRVAL_P(value), Z_STRLEN_P(value))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"hint\" option");
	- return false;
	- }
	- } else if (type == IS_OBJECT \|\| type == IS_ARRAY) {
	- PHONGO_BULKWRITE_OPT_DOCUMENT("hint");
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"hint\" option to be string, array, or object, %s given", zend_get_type_by_const(type));
	- return false;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Applies options (including defaults) for an update operation. */
	-static bool php_phongo_bulkwrite_update_apply_options(bson_t* boptions, zval* zoptions) /* {{{ */
	-{
	- bool multi = false, upsert = false;
	-
	- if (zoptions) {
	- multi = php_array_fetchc_bool(zoptions, "multi");
	- upsert = php_array_fetchc_bool(zoptions, "upsert");
	- }
	-
	- PHONGO_BULKWRITE_APPEND_BOOL("multi", multi);
	- PHONGO_BULKWRITE_APPEND_BOOL("upsert", upsert);
	- PHONGO_BULKWRITE_OPT_ARRAY("arrayFilters");
	- PHONGO_BULKWRITE_OPT_DOCUMENT("collation");
	-
	- if (!php_phongo_bulkwrite_opt_hint(boptions, zoptions)) {
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Applies options (including defaults) for an delete operation. */
	-static bool php_phongo_bulkwrite_delete_apply_options(bson_t* boptions, zval* zoptions) /* {{{ */
	-{
	- int32_t limit = 0;
	-
	- if (zoptions) {
	- limit = php_array_fetchc_bool(zoptions, "limit") ? 1 : 0;
	- }
	-
	- PHONGO_BULKWRITE_APPEND_INT32("limit", limit);
	- PHONGO_BULKWRITE_OPT_DOCUMENT("collation");
	-
	- if (!php_phongo_bulkwrite_opt_hint(boptions, zoptions)) {
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-#undef PHONGO_BULKWRITE_APPEND_BOOL
	-#undef PHONGO_BULKWRITE_APPEND_INT32
	-#undef PHONGO_BULKWRITE_OPT_DOCUMENT
	-
	-/* {{{ proto void MongoDB\Driver\BulkWrite::__construct([array $options = array()])
	- Constructs a new BulkWrite */
	-static PHP_METHOD(BulkWrite, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_bulkwrite_t* intern;
	- zval* options = NULL;
	- zend_bool ordered = 1;
	-
	- intern = Z_BULKWRITE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|a!", &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (options && php_array_existsc(options, "ordered")) {
	- ordered = php_array_fetchc_bool(options, "ordered");
	- }
	-
	- intern->bulk = mongoc_bulk_operation_new(ordered);
	- intern->ordered = ordered;
	- intern->bypass = PHONGO_BULKWRITE_BYPASS_UNSET;
	- intern->num_ops = 0;
	- intern->executed = false;
	-
	- if (options && php_array_existsc(options, "bypassDocumentValidation")) {
	- zend_bool bypass = php_array_fetchc_bool(options, "bypassDocumentValidation");
	- mongoc_bulk_operation_set_bypass_document_validation(intern->bulk, bypass);
	- intern->bypass = bypass;
	- }
	-} /* }}} */
	-
	-/* {{{ proto mixed MongoDB\Driver\BulkWrite::insert(array\|object $document)
	- Adds an insert operation to the BulkWrite */
	-static PHP_METHOD(BulkWrite, insert)
	-{
	- zend_error_handling error_handling;
	- php_phongo_bulkwrite_t* intern;
	- zval* zdocument;
	- bson_t bdocument = BSON_INITIALIZER, boptions = BSON_INITIALIZER;
	- bson_t* bson_out = NULL;
	- int bson_flags = PHONGO_BSON_ADD_ID;
	- bson_error_t error = { 0 };
	-
	- intern = Z_BULKWRITE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "A", &zdocument) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- bson_flags \|= PHONGO_BSON_RETURN_ID;
	-
	- php_phongo_zval_to_bson(zdocument, bson_flags, &bdocument, &bson_out);
	-
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- if (!mongoc_bulk_operation_insert_with_opts(intern->bulk, &bdocument, &boptions, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	-
	- intern->num_ops++;
	-
	- if (!bson_out) {
	- phongo_throw_exception(PHONGO_ERROR_LOGIC, "Did not receive result from bulk write. Please file a bug report.");
	- goto cleanup;
	- }
	-
	- php_phongo_bulkwrite_extract_id(bson_out, &return_value);
	-
	-cleanup:
	- bson_destroy(&bdocument);
	- bson_destroy(&boptions);
	- bson_clear(&bson_out);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\BulkWrite::update(array\|object $query, array\|object $newObj[, array $updateOptions = array()])
	- Adds an update operation to the BulkWrite */
	-static PHP_METHOD(BulkWrite, update)
	-{
	- zend_error_handling error_handling;
	- php_phongo_bulkwrite_t* intern;
	- zval * zquery, zupdate, zoptions = NULL;
	- bson_t bquery = BSON_INITIALIZER, bupdate = BSON_INITIALIZER, boptions = BSON_INITIALIZER;
	- bson_error_t error = { 0 };
	-
	- intern = Z_BULKWRITE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "AA\|a!", &zquery, &zupdate, &zoptions) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_zval_to_bson(zquery, PHONGO_BSON_NONE, &bquery, NULL);
	-
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- php_phongo_zval_to_bson(zupdate, PHONGO_BSON_NONE, &bupdate, NULL);
	-
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- if (!php_phongo_bulkwrite_update_apply_options(&boptions, zoptions)) {
	- goto cleanup;
	- }
	-
	- if (php_phongo_bulkwrite_update_has_operators(&bupdate) \|\| php_phongo_bulkwrite_update_is_pipeline(&bupdate)) {
	- if (zoptions && php_array_fetchc_bool(zoptions, "multi")) {
	- if (!mongoc_bulk_operation_update_many_with_opts(intern->bulk, &bquery, &bupdate, &boptions, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	- } else {
	- if (!mongoc_bulk_operation_update_one_with_opts(intern->bulk, &bquery, &bupdate, &boptions, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	- }
	- } else {
	- if (zoptions && php_array_fetchc_bool(zoptions, "multi")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Replacement document conflicts with true \"multi\" option");
	- goto cleanup;
	- }
	-
	- if (!mongoc_bulk_operation_replace_one_with_opts(intern->bulk, &bquery, &bupdate, &boptions, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	- }
	-
	- intern->num_ops++;
	-
	-cleanup:
	- bson_destroy(&bquery);
	- bson_destroy(&bupdate);
	- bson_destroy(&boptions);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\BulkWrite::delete(array\|object $query[, array $deleteOptions = array()])
	- Adds a delete operation to the BulkWrite */
	-static PHP_METHOD(BulkWrite, delete)
	-{
	- zend_error_handling error_handling;
	- php_phongo_bulkwrite_t* intern;
	- zval * zquery, *zoptions = NULL;
	- bson_t bquery = BSON_INITIALIZER, boptions = BSON_INITIALIZER;
	- bson_error_t error = { 0 };
	-
	- intern = Z_BULKWRITE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "A\|a!", &zquery, &zoptions) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_zval_to_bson(zquery, PHONGO_BSON_NONE, &bquery, NULL);
	-
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- if (!php_phongo_bulkwrite_delete_apply_options(&boptions, zoptions)) {
	- goto cleanup;
	- }
	-
	- if (zoptions && php_array_fetchc_bool(zoptions, "limit")) {
	- if (!mongoc_bulk_operation_remove_one_with_opts(intern->bulk, &bquery, &boptions, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	- } else {
	- if (!mongoc_bulk_operation_remove_many_with_opts(intern->bulk, &bquery, &boptions, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- goto cleanup;
	- }
	- }
	-
	- intern->num_ops++;
	-
	-cleanup:
	- bson_destroy(&bquery);
	- bson_destroy(&boptions);
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\BulkWrite::count()
	- Returns the number of operations that have been added to the BulkWrite */
	-static PHP_METHOD(BulkWrite, count)
	-{
	- zend_error_handling error_handling;
	- php_phongo_bulkwrite_t* intern;
	-
	- intern = Z_BULKWRITE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->num_ops);
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\BulkWrite function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite___construct, 0, 0, 0)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_BulkWrite_count, 0, 0, IS_LONG, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_insert, 0, 0, 1)
	- ZEND_ARG_INFO(0, document)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_update, 0, 0, 2)
	- ZEND_ARG_INFO(0, query)
	- ZEND_ARG_INFO(0, newObj)
	- ZEND_ARG_ARRAY_INFO(0, updateOptions, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_delete, 0, 0, 1)
	- ZEND_ARG_INFO(0, query)
	- ZEND_ARG_ARRAY_INFO(0, deleteOptions, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_bulkwrite_me[] = {
	- PHP_ME(BulkWrite, __construct, ai_BulkWrite___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(BulkWrite, insert, ai_BulkWrite_insert, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(BulkWrite, update, ai_BulkWrite_update, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(BulkWrite, delete, ai_BulkWrite_delete, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(BulkWrite, count, ai_BulkWrite_count, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_BulkWrite_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\BulkWrite object handlers */
	-static zend_object_handlers php_phongo_handler_bulkwrite;
	-
	-static void php_phongo_bulkwrite_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_bulkwrite_t* intern = Z_OBJ_BULKWRITE(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->bulk) {
	- mongoc_bulk_operation_destroy(intern->bulk);
	- }
	-
	- if (intern->database) {
	- efree(intern->database);
	- }
	-
	- if (intern->collection) {
	- efree(intern->collection);
	- }
	-
	- if (!Z_ISUNDEF(intern->session)) {
	- zval_ptr_dtor(&intern->session);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_bulkwrite_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_bulkwrite_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_bulkwrite_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_bulkwrite;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_bulkwrite_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- zval retval = ZVAL_STATIC_INIT;
	- php_phongo_bulkwrite_t* intern = NULL;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_BULKWRITE(PHONGO_COMPAT_GET_OBJ(object));
	- array_init(&retval);
	-
	- if (intern->database) {
	- ADD_ASSOC_STRING(&retval, "database", intern->database);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "database");
	- }
	-
	- if (intern->collection) {
	- ADD_ASSOC_STRING(&retval, "collection", intern->collection);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "collection");
	- }
	-
	- ADD_ASSOC_BOOL_EX(&retval, "ordered", intern->ordered);
	-
	- if (intern->bypass != PHONGO_BULKWRITE_BYPASS_UNSET) {
	- ADD_ASSOC_BOOL_EX(&retval, "bypassDocumentValidation", intern->bypass);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "bypassDocumentValidation");
	- }
	-
	- ADD_ASSOC_BOOL_EX(&retval, "executed", intern->executed);
	- ADD_ASSOC_LONG_EX(&retval, "server_id", mongoc_bulk_operation_get_hint(intern->bulk));
	-
	- if (!Z_ISUNDEF(intern->session)) {
	- ADD_ASSOC_ZVAL_EX(&retval, "session", &intern->session);
	- Z_ADDREF(intern->session);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "session");
	- }
	-
	- if (mongoc_bulk_operation_get_write_concern(intern->bulk)) {
	- zval write_concern;
	-
	- php_phongo_write_concern_to_zval(&write_concern, mongoc_bulk_operation_get_write_concern(intern->bulk));
	- ADD_ASSOC_ZVAL_EX(&retval, "write_concern", &write_concern);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "write_concern");
	- }
	-
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_bulkwrite_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "BulkWrite", php_phongo_bulkwrite_me);
	- php_phongo_bulkwrite_ce = zend_register_internal_class(&ce);
	- php_phongo_bulkwrite_ce->create_object = php_phongo_bulkwrite_create_object;
	- PHONGO_CE_FINAL(php_phongo_bulkwrite_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_bulkwrite_ce);
	-
	- memcpy(&php_phongo_handler_bulkwrite, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_bulkwrite.get_debug_info = php_phongo_bulkwrite_get_debug_info;
	- php_phongo_handler_bulkwrite.free_obj = php_phongo_bulkwrite_free_object;
	- php_phongo_handler_bulkwrite.offset = XtOffsetOf(php_phongo_bulkwrite_t, std);
	-
	- zend_class_implements(php_phongo_bulkwrite_ce, 1, zend_ce_countable);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/ClientEncryption.c b/mongodb-1.12.0/src/MongoDB/ClientEncryption.c
	deleted file mode 100644
	index 8b3953ba..00000000
	--- a/mongodb-1.12.0/src/MongoDB/ClientEncryption.c
	+++ /dev/null
	@@ -1,195 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_clientencryption_ce;
	-
	-/* {{{ proto MongoDB\BSON\Binary MongoDB\Driver\ClientEncryption::createDataKey(string $kmsProvider[, array $options])
	- Creates a new key document and inserts into the key vault collection. */
	-static PHP_METHOD(ClientEncryption, createDataKey)
	-{
	- char* kms_provider = NULL;
	- size_t kms_provider_len = 0;
	- zval* options = NULL;
	- zend_error_handling error_handling;
	- php_phongo_clientencryption_t* intern;
	-
	- intern = Z_CLIENTENCRYPTION_OBJ_P(getThis());
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|a!", &kms_provider, &kms_provider_len, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	-
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_clientencryption_create_datakey(intern, return_value, kms_provider, options);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Binary MongoDB\Driver\ClientEncryption::encrypt(mixed $value[, array $options])
	- Encrypts a value with a given key and algorithm */
	-static PHP_METHOD(ClientEncryption, encrypt)
	-{
	- zval* value = NULL;
	- zval* options = NULL;
	- zend_error_handling error_handling;
	- php_phongo_clientencryption_t* intern;
	-
	- intern = Z_CLIENTENCRYPTION_OBJ_P(getThis());
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "z\|a!", &value, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	-
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_clientencryption_encrypt(intern, value, return_value, options);
	-} /* }}} */
	-
	-/* {{{ proto mixed MongoDB\Driver\ClientEncryption::decrypt(MongoDB\BSON\BinaryInterface $value)
	- Decrypts an encrypted value (BSON binary of subtype 6). Returns the original BSON value */
	-static PHP_METHOD(ClientEncryption, decrypt)
	-{
	- zval* ciphertext;
	- zend_error_handling error_handling;
	- php_phongo_clientencryption_t* intern;
	-
	- intern = Z_CLIENTENCRYPTION_OBJ_P(getThis());
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &ciphertext, php_phongo_binary_interface_ce) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	-
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_clientencryption_decrypt(intern, ciphertext, return_value);
	-} /* }}} */
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_createDataKey, 0, 0, 1)
	- ZEND_ARG_INFO(0, kmsProvider)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_encrypt, 0, 0, 1)
	- ZEND_ARG_INFO(0, value)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_decrypt, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, keyVaultClient, MongoDB\\BSON\\BinaryInterface, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_clientencryption_me[] = {
	- /* clang-format off */
	- PHP_ME(ClientEncryption, createDataKey, ai_ClientEncryption_createDataKey, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ClientEncryption, encrypt, ai_ClientEncryption_encrypt, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ClientEncryption, decrypt, ai_ClientEncryption_decrypt, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ClientEncryption_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ClientEncryption_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\ClientEncryption object handlers */
	-static zend_object_handlers php_phongo_handler_clientencryption;
	-
	-static void php_phongo_clientencryption_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_clientencryption_t* intern = Z_OBJ_CLIENTENCRYPTION(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->client_encryption) {
	- mongoc_client_encryption_destroy(intern->client_encryption);
	- }
	-
	- /* Free the keyVaultClient last to ensure that a potential non-persistent
	- * client outlives the mongoc_client_encryption_t as needed */
	- if (!Z_ISUNDEF(intern->key_vault_client_manager)) {
	- zval_ptr_dtor(&intern->key_vault_client_manager);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_clientencryption_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_clientencryption_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_clientencryption_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_clientencryption;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_clientencryption_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_clientencryption_t* intern = NULL;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_CLIENTENCRYPTION(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init(&retval);
	-
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_clientencryption_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ClientEncryption", php_phongo_clientencryption_me);
	- php_phongo_clientencryption_ce = zend_register_internal_class(&ce);
	- php_phongo_clientencryption_ce->create_object = php_phongo_clientencryption_create_object;
	- PHONGO_CE_FINAL(php_phongo_clientencryption_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_clientencryption_ce);
	-
	- memcpy(&php_phongo_handler_clientencryption, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_clientencryption.get_debug_info = php_phongo_clientencryption_get_debug_info;
	- php_phongo_handler_clientencryption.free_obj = php_phongo_clientencryption_free_object;
	- php_phongo_handler_clientencryption.offset = XtOffsetOf(php_phongo_clientencryption_t, std);
	-
	- zend_declare_class_constant_string(php_phongo_clientencryption_ce, ZEND_STRL("AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC"), MONGOC_AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC);
	- zend_declare_class_constant_string(php_phongo_clientencryption_ce, ZEND_STRL("AEAD_AES_256_CBC_HMAC_SHA_512_RANDOM"), MONGOC_AEAD_AES_256_CBC_HMAC_SHA_512_RANDOM);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Command.c b/mongodb-1.12.0/src/MongoDB/Command.c
	deleted file mode 100644
	index 1abdd687..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Command.c
	+++ /dev/null
	@@ -1,219 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_array_api.h"
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_command_ce;
	-
	-/* Initialize the "maxAwaitTimeMS" option. Returns true on success; otherwise,
	- * false is returned and an exception is thrown.
	- *
	- * The "maxAwaitTimeMS" option is assigned to the cursor after query execution
	- * via mongoc_cursor_set_max_await_time_ms(). */
	-static bool php_phongo_command_init_max_await_time_ms(php_phongo_command_t* intern, zval* options) /* {{{ */
	-{
	- int64_t max_await_time_ms;
	-
	- if (!php_array_existsc(options, "maxAwaitTimeMS")) {
	- return true;
	- }
	-
	- max_await_time_ms = php_array_fetchc_long(options, "maxAwaitTimeMS");
	-
	- if (max_await_time_ms < 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be >= 0, %" PRId64 " given", max_await_time_ms);
	- return false;
	- }
	-
	- if (max_await_time_ms > UINT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be <= %" PRIu32 ", %" PRId64 " given", UINT32_MAX, max_await_time_ms);
	- return false;
	- }
	-
	- intern->max_await_time_ms = (uint32_t) max_await_time_ms;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initializes the php_phongo_command_init from options argument. This
	- * function will fall back to a modifier in the absence of a top-level option
	- * (where applicable). */
	-static bool php_phongo_command_init(php_phongo_command_t* intern, zval* filter, zval* options) /* {{{ */
	-{
	- bson_iter_t iter;
	- bson_iter_t sub_iter;
	-
	- intern->bson = bson_new();
	- intern->batch_size = 0;
	- intern->max_await_time_ms = 0;
	-
	- php_phongo_zval_to_bson(filter, PHONGO_BSON_NONE, intern->bson, NULL);
	-
	- /* Note: if any exceptions are thrown, we can simply return as PHP will
	- * invoke php_phongo_query_free_object to destruct the object. */
	- if (EG(exception)) {
	- return false;
	- }
	-
	- if (bson_iter_init(&iter, intern->bson) && bson_iter_find_descendant(&iter, "cursor.batchSize", &sub_iter) && BSON_ITER_HOLDS_INT(&sub_iter)) {
	- int64_t batch_size = bson_iter_as_int64(&sub_iter);
	-
	- if (batch_size >= 0 && batch_size <= UINT32_MAX) {
	- intern->batch_size = (uint32_t) batch_size;
	- }
	- }
	-
	- if (!options) {
	- return true;
	- }
	-
	- if (!php_phongo_command_init_max_await_time_ms(intern, options)) {
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Command::__construct(array\|object $document[, array $options = array()])
	- Constructs a new Command */
	-static PHP_METHOD(Command, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_command_t* intern;
	- zval* document;
	- zval* options = NULL;
	-
	- intern = Z_COMMAND_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "A\|a!", &document, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_command_init(intern, document, options);
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Command function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Command___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, document)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Command_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_command_me[] = {
	- /* clang-format off */
	- PHP_ME(Command, __construct, ai_Command___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Command_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Command object handlers */
	-static zend_object_handlers php_phongo_handler_command;
	-
	-static void php_phongo_command_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_command_t* intern = Z_OBJ_COMMAND(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->bson) {
	- bson_clear(&intern->bson);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_command_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_command_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_command_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_command;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_command_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_command_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_COMMAND(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init_size(&retval, 1);
	-
	- if (intern->bson) {
	- zval zv;
	-
	- if (!php_phongo_bson_to_zval(bson_get_data(intern->bson), intern->bson->len, &zv)) {
	- zval_ptr_dtor(&zv);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "command", &zv);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "command");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_command_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Command", php_phongo_command_me);
	- php_phongo_command_ce = zend_register_internal_class(&ce);
	- php_phongo_command_ce->create_object = php_phongo_command_create_object;
	- PHONGO_CE_FINAL(php_phongo_command_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_command_ce);
	-
	- memcpy(&php_phongo_handler_command, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_command.get_debug_info = php_phongo_command_get_debug_info;
	- php_phongo_handler_command.free_obj = php_phongo_command_free_object;
	- php_phongo_handler_command.offset = XtOffsetOf(php_phongo_command_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Cursor.c b/mongodb-1.12.0/src/MongoDB/Cursor.c
	deleted file mode 100644
	index 1afb3347..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Cursor.c
	+++ /dev/null
	@@ -1,563 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/spl/spl_iterators.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_cursor_ce;
	-
	-/* Check if the cursor is exhausted (i.e. ID is zero) and free any reference to
	- * the session. Calling this function during iteration will allow an implicit
	- * session to return to the pool immediately after a getMore indicates that the
	- * server has no more results to return. */
	-static void php_phongo_cursor_free_session_if_exhausted(php_phongo_cursor_t* cursor) /* {{{ */
	-{
	- if (mongoc_cursor_get_id(cursor->cursor)) {
	- return;
	- }
	-
	- if (!Z_ISUNDEF(cursor->session)) {
	- zval_ptr_dtor(&cursor->session);
	- ZVAL_UNDEF(&cursor->session);
	- }
	-} /* }}} */
	-
	-static void php_phongo_cursor_free_current(php_phongo_cursor_t* cursor) /* {{{ */
	-{
	- if (!Z_ISUNDEF(cursor->visitor_data.zchild)) {
	- zval_ptr_dtor(&cursor->visitor_data.zchild);
	- ZVAL_UNDEF(&cursor->visitor_data.zchild);
	- }
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Cursor::setTypeMap(array $typemap)
	- Sets a type map to use for BSON unserialization */
	-static PHP_METHOD(Cursor, setTypeMap)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern;
	- php_phongo_bson_state state;
	- zval* typemap = NULL;
	- bool restore_current_element = false;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_CURSOR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a!", &typemap) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!php_phongo_bson_typemap_to_state(typemap, &state.map)) {
	- return;
	- }
	-
	- /* Check if the existing element needs to be freed before we overwrite
	- * visitor_data, which contains the only reference to it. */
	- if (!Z_ISUNDEF(intern->visitor_data.zchild)) {
	- php_phongo_cursor_free_current(intern);
	- restore_current_element = true;
	- }
	-
	- php_phongo_bson_typemap_dtor(&intern->visitor_data.map);
	-
	- intern->visitor_data = state;
	-
	- /* If the cursor has a current element, we just freed it and should restore
	- * it with a new type map applied. */
	- if (restore_current_element && mongoc_cursor_current(intern->cursor)) {
	- const bson_t* doc = mongoc_cursor_current(intern->cursor);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &intern->visitor_data)) {
	- php_phongo_cursor_free_current(intern);
	- }
	- }
	-} /* }}} */
	-
	-static int php_phongo_cursor_to_array_apply(zend_object_iterator* iter, void* puser) /* {{{ */
	-{
	- zval* data;
	- zval* return_value = (zval*) puser;
	-
	- data = iter->funcs->get_current_data(iter);
	-
	- if (EG(exception)) {
	- return ZEND_HASH_APPLY_STOP;
	- }
	- if (Z_ISUNDEF_P(data)) {
	- return ZEND_HASH_APPLY_STOP;
	- }
	- Z_TRY_ADDREF_P(data);
	- add_next_index_zval(return_value, data);
	-
	- return ZEND_HASH_APPLY_KEEP;
	-} /* }}} */
	-
	-static void php_phongo_cursor_id_new_from_id(zval* object, int64_t cursorid) /* {{{ */
	-{
	- php_phongo_cursorid_t* intern;
	-
	- object_init_ex(object, php_phongo_cursorid_ce);
	-
	- intern = Z_CURSORID_OBJ_P(object);
	- intern->id = cursorid;
	- intern->initialized = true;
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Cursor::toArray()
	- Returns an array of all result documents for this cursor */
	-static PHP_METHOD(Cursor, toArray)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init(return_value);
	-
	- if (spl_iterator_apply(getThis(), php_phongo_cursor_to_array_apply, (void*) return_value) != SUCCESS) {
	- zval_dtor(return_value);
	- RETURN_NULL();
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\CursorId MongoDB\Driver\Cursor::getId()
	- Returns the CursorId for this cursor */
	-static PHP_METHOD(Cursor, getId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern;
	-
	- intern = Z_CURSOR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_cursor_id_new_from_id(return_value, mongoc_cursor_get_id(intern->cursor));
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server MongoDB\Driver\Cursor::getServer()
	- Returns the Server object to which this cursor is attached */
	-static PHP_METHOD(Cursor, getServer)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern;
	-
	- intern = Z_CURSOR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_server_init(return_value, &intern->manager, intern->server_id);
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\Cursor::isDead()
	- Checks if a cursor is still alive */
	-static PHP_METHOD(Cursor, isDead)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern;
	-
	- intern = Z_CURSOR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_BOOL(!mongoc_cursor_more(intern->cursor));
	-} /* }}} */
	-
	-PHP_METHOD(Cursor, current)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	- zval* data;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- data = &intern->visitor_data.zchild;
	-
	- if (Z_ISUNDEF_P(data)) {
	- RETURN_NULL();
	- } else {
	- ZVAL_COPY_DEREF(return_value, data);
	- }
	-}
	-
	-PHP_METHOD(Cursor, key)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (Z_ISUNDEF(intern->visitor_data.zchild)) {
	- RETURN_NULL();
	- }
	-
	- RETURN_LONG(intern->current);
	-}
	-
	-PHP_METHOD(Cursor, next)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	- const bson_t* doc;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_cursor_free_current(intern);
	-
	- /* If the intern has already advanced, increment its position. Otherwise,
	- * the first call to mongoc_cursor_next() will be made below and we should
	- * leave its position at zero. */
	- if (intern->advanced) {
	- intern->current++;
	- } else {
	- intern->advanced = true;
	- }
	-
	- if (mongoc_cursor_next(intern->cursor, &doc)) {
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &intern->visitor_data)) {
	- /* Free invalid result, but don't return as we want to free the
	- * session if the intern is exhausted. */
	- php_phongo_cursor_free_current(intern);
	- }
	- } else {
	- bson_error_t error = { 0 };
	- const bson_t* doc = NULL;
	-
	- if (mongoc_cursor_error_document(intern->cursor, &error, &doc)) {
	- /* Intentionally not destroying the intern as it will happen
	- * naturally now that there are no more results */
	- phongo_throw_exception_from_bson_error_t_and_reply(&error, doc);
	- }
	- }
	-
	- php_phongo_cursor_free_session_if_exhausted(intern);
	-}
	-
	-PHP_METHOD(Cursor, valid)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_BOOL(!Z_ISUNDEF(intern->visitor_data.zchild));
	-}
	-
	-PHP_METHOD(Cursor, rewind)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	- const bson_t* doc;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- /* If the intern was never advanced (e.g. command intern), do so now */
	- if (!intern->advanced) {
	- intern->advanced = true;
	-
	- if (!phongo_cursor_advance_and_check_for_error(intern->cursor)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	- }
	-
	- if (intern->current > 0) {
	- phongo_throw_exception(PHONGO_ERROR_LOGIC, "Cursors cannot rewind after starting iteration");
	- return;
	- }
	-
	- php_phongo_cursor_free_current(intern);
	-
	- doc = mongoc_cursor_current(intern->cursor);
	-
	- if (doc) {
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &intern->visitor_data)) {
	- /* Free invalid result, but don't return as we want to free the
	- * session if the intern is exhausted. */
	- php_phongo_cursor_free_current(intern);
	- }
	- }
	-
	- php_phongo_cursor_free_session_if_exhausted(intern);
	-}
	-
	-/* {{{ MongoDB\Driver\Cursor function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_current, 0, 0, IS_MIXED, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_key, 0, 0, IS_MIXED, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_next, 0, 0, IS_VOID, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_valid, 0, 0, _IS_BOOL, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_rewind, 0, 0, IS_VOID, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Cursor_setTypeMap, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, typemap, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Cursor_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_cursor_me[] = {
	- PHP_ME(Cursor, setTypeMap, ai_Cursor_setTypeMap, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Cursor, toArray, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Cursor, getId, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Cursor, getServer, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Cursor, isDead, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	-
	- PHP_ME(Cursor, current, ai_Cursor_current, ZEND_ACC_PUBLIC)
	- PHP_ME(Cursor, key, ai_Cursor_key, ZEND_ACC_PUBLIC)
	- PHP_ME(Cursor, next, ai_Cursor_next, ZEND_ACC_PUBLIC)
	- PHP_ME(Cursor, valid, ai_Cursor_valid, ZEND_ACC_PUBLIC)
	- PHP_ME(Cursor, rewind, ai_Cursor_rewind, ZEND_ACC_PUBLIC)
	-
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Cursor_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Cursor object handlers */
	-static zend_object_handlers php_phongo_handler_cursor;
	-
	-static void php_phongo_cursor_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_cursor_t* intern = Z_OBJ_CURSOR(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- /* If this Cursor was created in a different process, reset the client so
	- * that mongoc_cursor_destroy does not issue a killCursors command for an
	- * active cursor owned by a parent process. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- if (intern->cursor) {
	- mongoc_cursor_destroy(intern->cursor);
	- }
	-
	- if (intern->database) {
	- efree(intern->database);
	- }
	-
	- if (intern->collection) {
	- efree(intern->collection);
	- }
	-
	- if (!Z_ISUNDEF(intern->query)) {
	- zval_ptr_dtor(&intern->query);
	- }
	-
	- if (!Z_ISUNDEF(intern->command)) {
	- zval_ptr_dtor(&intern->command);
	- }
	-
	- if (!Z_ISUNDEF(intern->read_preference)) {
	- zval_ptr_dtor(&intern->read_preference);
	- }
	-
	- if (!Z_ISUNDEF(intern->session)) {
	- zval_ptr_dtor(&intern->session);
	- }
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-
	- php_phongo_bson_typemap_dtor(&intern->visitor_data.map);
	-
	- php_phongo_cursor_free_current(intern);
	-} /* }}} */
	-
	-static zend_object* php_phongo_cursor_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_cursor_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_cursor_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- PHONGO_SET_CREATED_BY_PID(intern);
	-
	- intern->std.handlers = &php_phongo_handler_cursor;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_cursor_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_cursor_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_CURSOR(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init_size(&retval, 10);
	-
	- if (intern->database) {
	- ADD_ASSOC_STRING(&retval, "database", intern->database);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "database");
	- }
	-
	- if (intern->collection) {
	- ADD_ASSOC_STRING(&retval, "collection", intern->collection);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "collection");
	- }
	-
	- if (!Z_ISUNDEF(intern->query)) {
	- ADD_ASSOC_ZVAL_EX(&retval, "query", &intern->query);
	- Z_ADDREF(intern->query);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "query");
	- }
	-
	- if (!Z_ISUNDEF(intern->command)) {
	- ADD_ASSOC_ZVAL_EX(&retval, "command", &intern->command);
	- Z_ADDREF(intern->command);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "command");
	- }
	-
	- if (!Z_ISUNDEF(intern->read_preference)) {
	- ADD_ASSOC_ZVAL_EX(&retval, "readPreference", &intern->read_preference);
	- Z_ADDREF(intern->read_preference);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "readPreference");
	- }
	-
	- if (!Z_ISUNDEF(intern->session)) {
	- ADD_ASSOC_ZVAL_EX(&retval, "session", &intern->session);
	- Z_ADDREF(intern->session);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "session");
	- }
	-
	- ADD_ASSOC_BOOL_EX(&retval, "isDead", !mongoc_cursor_more(intern->cursor));
	-
	- ADD_ASSOC_LONG_EX(&retval, "currentIndex", intern->current);
	-
	- if (!Z_ISUNDEF(intern->visitor_data.zchild)) {
	- ADD_ASSOC_ZVAL_EX(&retval, "currentDocument", &intern->visitor_data.zchild);
	- Z_ADDREF(intern->visitor_data.zchild);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "currentDocument");
	- }
	-
	- {
	- zval server;
	-
	- phongo_server_init(&server, &intern->manager, intern->server_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	- }
	-
	- return Z_ARRVAL(retval);
	-
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_cursor_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Cursor", php_phongo_cursor_me);
	- php_phongo_cursor_ce = zend_register_internal_class(&ce);
	- php_phongo_cursor_ce->create_object = php_phongo_cursor_create_object;
	- PHONGO_CE_FINAL(php_phongo_cursor_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_cursor_ce);
	-
	- zend_class_implements(php_phongo_cursor_ce, 1, zend_ce_iterator);
	- zend_class_implements(php_phongo_cursor_ce, 1, php_phongo_cursor_interface_ce);
	-
	- memcpy(&php_phongo_handler_cursor, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_cursor.get_debug_info = php_phongo_cursor_get_debug_info;
	- php_phongo_handler_cursor.free_obj = php_phongo_cursor_free_object;
	- php_phongo_handler_cursor.offset = XtOffsetOf(php_phongo_cursor_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/CursorId.c b/mongodb-1.12.0/src/MongoDB/CursorId.c
	deleted file mode 100644
	index d1020a7a..00000000
	--- a/mongodb-1.12.0/src/MongoDB/CursorId.c
	+++ /dev/null
	@@ -1,335 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_cursorid_ce;
	-
	-/* Initialize the object from a numeric string and return whether it was
	- * successful. An exception will be thrown on error. */
	-static bool php_phongo_cursorid_init_from_string(php_phongo_cursorid_t* intern, const char* s_id, size_t s_id_len) /* {{{ */
	-{
	- int64_t id;
	-
	- if (!php_phongo_parse_int64(&id, s_id, s_id_len)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit id for %s initialization", s_id, ZSTR_VAL(php_phongo_cursorid_ce->name));
	- return false;
	- }
	-
	- intern->id = id;
	- intern->initialized = true;
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_cursorid_init_from_hash(php_phongo_cursorid_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* value;
	-
	- if ((value = zend_hash_str_find(props, "id", sizeof("id") - 1)) && Z_TYPE_P(value) == IS_STRING) {
	- return php_phongo_cursorid_init_from_string(intern, Z_STRVAL_P(value), Z_STRLEN_P(value));
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"id\" string field", ZSTR_VAL(php_phongo_cursorid_ce->name));
	- return false;
	-} /* }}} */
	-
	-static HashTable* php_phongo_cursorid_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp, bool is_serialize) /* {{{ */
	-{
	- php_phongo_cursorid_t* intern;
	- HashTable* props;
	-
	- intern = Z_OBJ_CURSORID(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	-
	- if (!intern->initialized) {
	- return props;
	- }
	-
	- {
	- zval value;
	-
	- if (is_serialize) {
	- ZVAL_INT64_STRING(&value, intern->id);
	- } else {
	-#if SIZEOF_ZEND_LONG == 4
	- if (intern->id > INT32_MAX \|\| intern->id < INT32_MIN) {
	- ZVAL_INT64_STRING(&value, intern->id);
	- } else {
	- ZVAL_LONG(&value, intern->id);
	- }
	-#else
	- ZVAL_LONG(&value, intern->id);
	-#endif
	- }
	- zend_hash_str_update(props, "id", sizeof("id") - 1, &value);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\CursorId MongoDB\Driver\CursorId::__set_state(array $properties)
	-*/
	-static PHP_METHOD(CursorId, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursorid_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_cursorid_ce);
	-
	- intern = Z_CURSORID_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_cursorid_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\CursorId::__toString()
	- Returns the string representation of the CursorId */
	-static PHP_METHOD(CursorId, __toString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursorid_t* intern;
	- char* tmp;
	- int tmp_len;
	-
	- intern = Z_CURSORID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- tmp_len = spprintf(&tmp, 0, "%" PRId64, intern->id);
	- RETVAL_STRINGL(tmp, tmp_len);
	- efree(tmp);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\CursorId::serialize()
	-*/
	-static PHP_METHOD(CursorId, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursorid_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_CURSORID_OBJ_P(getThis());
	-
	- array_init_size(&retval, 1);
	- ADD_ASSOC_INT64_AS_STRING(&retval, "id", intern->id);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\CursorId::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(CursorId, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_cursorid_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_CURSORID_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_cursorid_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_cursorid_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\CursorId::__serialize()
	-*/
	-static PHP_METHOD(CursorId, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_cursorid_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\CursorId::__unserialize(array $data)
	-*/
	-static PHP_METHOD(CursorId, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_cursorid_init_from_hash(Z_CURSORID_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\CursorId function entries */
	-/* clang-format off */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CursorId___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_CursorId___toString, 0, 0, IS_STRING, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_CursorId___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_CursorId_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_CursorId_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_cursorid_me[] = {
	- PHP_ME(CursorId, __serialize, ai_CursorId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CursorId, __set_state, ai_CursorId___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(CursorId, __toString, ai_CursorId___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CursorId, __unserialize, ai_CursorId___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CursorId, serialize, ai_CursorId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CursorId, unserialize, ai_CursorId_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CursorId_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_FE_END
	-};
	-/* clang-format on */
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\CursorId object handlers */
	-static zend_object_handlers php_phongo_handler_cursorid;
	-
	-static void php_phongo_cursorid_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_cursorid_t* intern = Z_OBJ_CURSORID(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_cursorid_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_cursorid_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_cursorid_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_cursorid;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_cursorid_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_cursorid_get_properties_hash(object, true, false);
	-} /* }}} */
	-/* }}} */
	-
	-static HashTable* php_phongo_cursorid_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_cursorid_get_properties_hash(object, false, false);
	-} /* }}} */
	-
	-void php_phongo_cursorid_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "CursorId", php_phongo_cursorid_me);
	- php_phongo_cursorid_ce = zend_register_internal_class(&ce);
	- php_phongo_cursorid_ce->create_object = php_phongo_cursorid_create_object;
	- PHONGO_CE_FINAL(php_phongo_cursorid_ce);
	-
	- zend_class_implements(php_phongo_cursorid_ce, 1, zend_ce_serializable);
	-
	-#if PHP_VERSION_ID >= 80000
	- zend_class_implements(php_phongo_cursorid_ce, 1, zend_ce_stringable);
	-#endif
	-
	- memcpy(&php_phongo_handler_cursorid, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_cursorid.get_debug_info = php_phongo_cursorid_get_debug_info;
	- php_phongo_handler_cursorid.get_properties = php_phongo_cursorid_get_properties;
	- php_phongo_handler_cursorid.free_obj = php_phongo_cursorid_free_object;
	- php_phongo_handler_cursorid.offset = XtOffsetOf(php_phongo_cursorid_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/CursorInterface.c b/mongodb-1.12.0/src/MongoDB/CursorInterface.c
	deleted file mode 100644
	index 886245f2..00000000
	--- a/mongodb-1.12.0/src/MongoDB/CursorInterface.c
	+++ /dev/null
	@@ -1,66 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_cursor_interface_ce;
	-
	-/* {{{ MongoDB\BSON\CursorInterface function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CursorInterface_setTypeMap, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, typemap, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_CursorInterface_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_cursor_interface_me[] = {
	- /* clang-format off */
	- ZEND_ABSTRACT_ME(CursorInterface, getId, ai_CursorInterface_void)
	- ZEND_ABSTRACT_ME(CursorInterface, getServer, ai_CursorInterface_void)
	- ZEND_ABSTRACT_ME(CursorInterface, isDead, ai_CursorInterface_void)
	- ZEND_ABSTRACT_ME(CursorInterface, setTypeMap, ai_CursorInterface_setTypeMap)
	- ZEND_ABSTRACT_ME(CursorInterface, toArray, ai_CursorInterface_void)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_cursor_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "CursorInterface", php_phongo_cursor_interface_me);
	- php_phongo_cursor_interface_ce = zend_register_internal_interface(&ce);
	-
	- zend_class_implements(php_phongo_cursor_interface_ce, 1, zend_ce_traversable);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/AuthenticationException.c b/mongodb-1.12.0/src/MongoDB/Exception/AuthenticationException.c
	deleted file mode 100644
	index 35daa99b..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/AuthenticationException.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_authenticationexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\AuthenticationException function entries */
	-static zend_function_entry php_phongo_authenticationexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_authenticationexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "AuthenticationException", php_phongo_authenticationexception_me);
	- php_phongo_authenticationexception_ce = zend_register_internal_class_ex(&ce, php_phongo_connectionexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/BulkWriteException.c b/mongodb-1.12.0/src/MongoDB/Exception/BulkWriteException.c
	deleted file mode 100644
	index 59a1efaf..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/BulkWriteException.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_bulkwriteexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\BulkWriteException function entries */
	-static zend_function_entry php_phongo_bulkwriteexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_bulkwriteexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "BulkWriteException", php_phongo_bulkwriteexception_me);
	- php_phongo_bulkwriteexception_ce = zend_register_internal_class_ex(&ce, php_phongo_writeexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/CommandException.c b/mongodb-1.12.0/src/MongoDB/Exception/CommandException.c
	deleted file mode 100644
	index b04ce980..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/CommandException.c
	+++ /dev/null
	@@ -1,77 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_commandexception_ce;
	-
	-/* {{{ proto document MongoDB\Driver\Exception\CommandException::getResultDocument()
	- Returns the result document from the failed command. */
	-static PHP_METHOD(CommandException, getResultDocument)
	-{
	- zend_error_handling error_handling;
	- zval* resultdocument;
	- zval rv;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- resultdocument = zend_read_property(php_phongo_commandexception_ce, PHONGO_COMPAT_OBJ_P(getThis()), ZEND_STRL("resultDocument"), 0, &rv);
	-
	- RETURN_ZVAL(resultdocument, 1, 0);
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Exception\CommandException function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandException_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_commandexception_me[] = {
	- /* clang-format off */
	- PHP_ME(CommandException, getResultDocument, ai_CommandException_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_commandexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "CommandException", php_phongo_commandexception_me);
	- php_phongo_commandexception_ce = zend_register_internal_class_ex(&ce, php_phongo_serverexception_ce);
	-
	- zend_declare_property_null(php_phongo_commandexception_ce, ZEND_STRL("resultDocument"), ZEND_ACC_PROTECTED);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/ConnectionException.c b/mongodb-1.12.0/src/MongoDB/Exception/ConnectionException.c
	deleted file mode 100644
	index 61974a87..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/ConnectionException.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_connectionexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\ConnectionException function entries */
	-static zend_function_entry php_phongo_connectionexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_connectionexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ConnectionException", php_phongo_connectionexception_me);
	- php_phongo_connectionexception_ce = zend_register_internal_class_ex(&ce, php_phongo_runtimeexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/ConnectionTimeoutException.c b/mongodb-1.12.0/src/MongoDB/Exception/ConnectionTimeoutException.c
	deleted file mode 100644
	index 1d8a5354..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/ConnectionTimeoutException.c
	+++ /dev/null
	@@ -1,50 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_connectiontimeoutexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\ConnectionTimeoutException function entries */
	-static zend_function_entry php_phongo_connectiontimeoutexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_connectiontimeoutexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ConnectionTimeoutException", php_phongo_connectiontimeoutexception_me);
	- php_phongo_connectiontimeoutexception_ce = zend_register_internal_class_ex(&ce, php_phongo_connectionexception_ce);
	- PHONGO_CE_FINAL(php_phongo_connectiontimeoutexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/EncryptionException.c b/mongodb-1.12.0/src/MongoDB/Exception/EncryptionException.c
	deleted file mode 100644
	index 35229937..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/EncryptionException.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_encryptionexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\EncryptionException function entries */
	-static zend_function_entry php_phongo_encryptionexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_encryptionexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "EncryptionException", php_phongo_encryptionexception_me);
	- php_phongo_encryptionexception_ce = zend_register_internal_class_ex(&ce, php_phongo_runtimeexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/Exception.c b/mongodb-1.12.0/src/MongoDB/Exception/Exception.c
	deleted file mode 100644
	index f7be640a..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/Exception.c
	+++ /dev/null
	@@ -1,51 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <zend_exceptions.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_exception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\Exception function entries */
	-static zend_function_entry php_phongo_exception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_exception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "Exception", php_phongo_exception_me);
	- php_phongo_exception_ce = zend_register_internal_interface(&ce);
	- zend_class_implements(php_phongo_exception_ce, 1, zend_ce_throwable);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/ExecutionTimeoutException.c b/mongodb-1.12.0/src/MongoDB/Exception/ExecutionTimeoutException.c
	deleted file mode 100644
	index 23bafd04..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/ExecutionTimeoutException.c
	+++ /dev/null
	@@ -1,50 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_executiontimeoutexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\ExecutionTimeoutException function entries */
	-static zend_function_entry php_phongo_executiontimeoutexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_executiontimeoutexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ExecutionTimeoutException", php_phongo_executiontimeoutexception_me);
	- php_phongo_executiontimeoutexception_ce = zend_register_internal_class_ex(&ce, php_phongo_serverexception_ce);
	- PHONGO_CE_FINAL(php_phongo_executiontimeoutexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/InvalidArgumentException.c b/mongodb-1.12.0/src/MongoDB/Exception/InvalidArgumentException.c
	deleted file mode 100644
	index cdc94f44..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/InvalidArgumentException.c
	+++ /dev/null
	@@ -1,51 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <ext/spl/spl_exceptions.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_invalidargumentexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\InvalidArgumentException function entries */
	-static zend_function_entry php_phongo_invalidargumentexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_invalidargumentexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "InvalidArgumentException", php_phongo_invalidargumentexception_me);
	- php_phongo_invalidargumentexception_ce = zend_register_internal_class_ex(&ce, spl_ce_InvalidArgumentException);
	- zend_class_implements(php_phongo_invalidargumentexception_ce, 1, php_phongo_exception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/LogicException.c b/mongodb-1.12.0/src/MongoDB/Exception/LogicException.c
	deleted file mode 100644
	index ca563cb2..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/LogicException.c
	+++ /dev/null
	@@ -1,51 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <ext/spl/spl_exceptions.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_logicexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\LogicException function entries */
	-static zend_function_entry php_phongo_logicexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_logicexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "LogicException", php_phongo_logicexception_me);
	- php_phongo_logicexception_ce = zend_register_internal_class_ex(&ce, spl_ce_LogicException);
	- zend_class_implements(php_phongo_logicexception_ce, 1, php_phongo_exception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/RuntimeException.c b/mongodb-1.12.0/src/MongoDB/Exception/RuntimeException.c
	deleted file mode 100644
	index a7a7489b..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/RuntimeException.c
	+++ /dev/null
	@@ -1,108 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <ext/spl/spl_exceptions.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_array_api.h"
	-
	-zend_class_entry* php_phongo_runtimeexception_ce;
	-
	-static bool php_phongo_has_string_array_element(zval* labels, char* label)
	-{
	- HashTable* ht_data;
	-
	- if (Z_TYPE_P(labels) != IS_ARRAY) {
	- return false;
	- }
	-
	- ht_data = HASH_OF(labels);
	-
	- {
	- zval* z_label;
	-
	- ZEND_HASH_FOREACH_VAL_IND(ht_data, z_label)
	- {
	- if ((Z_TYPE_P(z_label) == IS_STRING) && (strcmp(Z_STRVAL_P(z_label), label) == 0)) {
	- return true;
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-
	- return false;
	-}
	-
	-/* {{{ proto bool MongoDB\Driver\Exception\RuntimeException::hasErrorLabel(string $label)
	- Returns whether a specific error label has been set */
	-static PHP_METHOD(RuntimeException, hasErrorLabel)
	-{
	- zend_error_handling error_handling;
	- char* label;
	- size_t label_len;
	- zval* error_labels;
	- zval rv;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &label, &label_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- error_labels = zend_read_property(php_phongo_runtimeexception_ce, PHONGO_COMPAT_OBJ_P(getThis()), ZEND_STRL("errorLabels"), 0, &rv);
	-
	- RETURN_BOOL(php_phongo_has_string_array_element(error_labels, label));
	-} /* }}} */
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_RuntimeException_hasErrorLabel, 0, 0, 1)
	- ZEND_ARG_INFO(0, label)
	-ZEND_END_ARG_INFO()
	-
	-/* {{{ MongoDB\Driver\Exception\RuntimeException function entries */
	-static zend_function_entry php_phongo_runtimeexception_me[] = {
	- /* clang-format off */
	- PHP_ME(RuntimeException, hasErrorLabel, ai_RuntimeException_hasErrorLabel, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_runtimeexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "RuntimeException", php_phongo_runtimeexception_me);
	- php_phongo_runtimeexception_ce = zend_register_internal_class_ex(&ce, spl_ce_RuntimeException);
	- zend_class_implements(php_phongo_runtimeexception_ce, 1, php_phongo_exception_ce);
	-
	- zend_declare_property_null(php_phongo_runtimeexception_ce, ZEND_STRL("errorLabels"), ZEND_ACC_PROTECTED);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/SSLConnectionException.c b/mongodb-1.12.0/src/MongoDB/Exception/SSLConnectionException.c
	deleted file mode 100644
	index 7a6f43ff..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/SSLConnectionException.c
	+++ /dev/null
	@@ -1,50 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_sslconnectionexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\SSLConnectionException function entries */
	-static zend_function_entry php_phongo_sslconnectionexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_sslconnectionexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "SSLConnectionException", php_phongo_sslconnectionexception_me);
	- php_phongo_sslconnectionexception_ce = zend_register_internal_class_ex(&ce, php_phongo_connectionexception_ce);
	- PHONGO_CE_FINAL(php_phongo_sslconnectionexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/ServerException.c b/mongodb-1.12.0/src/MongoDB/Exception/ServerException.c
	deleted file mode 100644
	index 4d9af828..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/ServerException.c
	+++ /dev/null
	@@ -1,49 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_serverexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\ServerException function entries */
	-static zend_function_entry php_phongo_serverexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_serverexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ServerException", php_phongo_serverexception_me);
	- php_phongo_serverexception_ce = zend_register_internal_class_ex(&ce, php_phongo_runtimeexception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/UnexpectedValueException.c b/mongodb-1.12.0/src/MongoDB/Exception/UnexpectedValueException.c
	deleted file mode 100644
	index 8c6a2082..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/UnexpectedValueException.c
	+++ /dev/null
	@@ -1,51 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <ext/spl/spl_exceptions.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_unexpectedvalueexception_ce;
	-
	-/* {{{ MongoDB\Driver\Exception\UnexpectedValueException function entries */
	-static zend_function_entry php_phongo_unexpectedvalueexception_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_unexpectedvalueexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "UnexpectedValueException", php_phongo_unexpectedvalueexception_me);
	- php_phongo_unexpectedvalueexception_ce = zend_register_internal_class_ex(&ce, spl_ce_UnexpectedValueException);
	- zend_class_implements(php_phongo_unexpectedvalueexception_ce, 1, php_phongo_exception_ce);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Exception/WriteException.c b/mongodb-1.12.0/src/MongoDB/Exception/WriteException.c
	deleted file mode 100644
	index 9c42f961..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Exception/WriteException.c
	+++ /dev/null
	@@ -1,78 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_writeexception_ce;
	-
	-/* {{{ proto MongoDB\Driver\WriteResult MongoDB\Driver\Exception\WriteException::getWriteResult()
	- Returns the WriteResult from the failed write operation. */
	-static PHP_METHOD(WriteException, getWriteResult)
	-{
	- zend_error_handling error_handling;
	- zval* writeresult;
	- zval rv;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- writeresult = zend_read_property(php_phongo_writeexception_ce, PHONGO_COMPAT_OBJ_P(getThis()), ZEND_STRL("writeResult"), 0, &rv);
	-
	- RETURN_ZVAL(writeresult, 1, 0);
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Exception\WriteException function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteException_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_writeexception_me[] = {
	- /* clang-format off */
	- PHP_ME(WriteException, getWriteResult, ai_WriteException_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_writeexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "WriteException", php_phongo_writeexception_me);
	- php_phongo_writeexception_ce = zend_register_internal_class_ex(&ce, php_phongo_serverexception_ce);
	- php_phongo_writeexception_ce->ce_flags \|= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
	-
	- zend_declare_property_null(php_phongo_writeexception_ce, ZEND_STRL("writeResult"), ZEND_ACC_PROTECTED);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Manager.c b/mongodb-1.12.0/src/MongoDB/Manager.c
	deleted file mode 100644
	index 17db3e1d..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Manager.c
	+++ /dev/null
	@@ -1,1031 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_hash.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/file.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_array_api.h"
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "Session.h"
	-#include "src/phongo_apm.h"
	-
	-#define PHONGO_MANAGER_URI_DEFAULT "mongodb://127.0.0.1/"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "PHONGO"
	-
	-/**
	- * Manager abstracts a cluster of Server objects (i.e. socket connections).
	- *
	- * Typically, users will connect to a cluster using a URI, and the Manager will
	- * perform tasks such as replica set discovery and create the necessary Server
	- * objects. That said, it is also possible to create a Manager with an arbitrary
	- * collection of Server objects using the static factory method (this can be
	- * useful for testing or administration).
	- *
	- * Operation methods do not take socket-level options (e.g. socketTimeoutMS).
	- * Those options should be specified during construction.
	- */
	-zend_class_entry* php_phongo_manager_ce;
	-
	-/* Checks if driverOptions contains a stream context resource in the "context"
	- * key and incorporates any of its SSL options into the base array that did not
	- * already exist (i.e. array union). The "context" key is then unset from the
	- * base array.
	- *
	- * This handles the merging of any legacy SSL context options and also makes
	- * driverOptions suitable for serialization by removing the resource zval. */
	-static bool php_phongo_manager_merge_context_options(zval* zdriverOptions) /* {{{ */
	-{
	- php_stream_context* context;
	- zval * zcontext, *zcontextOptions;
	-
	- if (!php_array_existsc(zdriverOptions, "context")) {
	- return true;
	- }
	-
	- zcontext = php_array_fetchc(zdriverOptions, "context");
	- context = php_stream_context_from_zval(zcontext, 1);
	-
	- if (!context) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"context\" driver option is not a valid Stream-Context resource");
	- return false;
	- }
	-
	- zcontextOptions = php_array_fetchc_array(&context->options, "ssl");
	-
	- if (!zcontextOptions) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Stream-Context resource does not contain \"ssl\" options array");
	- return false;
	- }
	-
	- /* When running PHP in debug mode, php_error_docref duplicates the current
	- * scope, leading to a COW violation in zend_hash_merge and
	- * zend_symtable_str_del (called by php_array_unsetc). This macro allows
	- * that violation in debug mode and is a NOOP when in non-debug. */
	- HT_ALLOW_COW_VIOLATION(Z_ARRVAL_P(zdriverOptions));
	-
	- php_error_docref(NULL, E_DEPRECATED, "The \"context\" driver option is deprecated.");
	-
	- /* Perform array union (see: add_function() in zend_operators.c) */
	- zend_hash_merge(Z_ARRVAL_P(zdriverOptions), Z_ARRVAL_P(zcontextOptions), zval_add_ref, 0);
	-
	- php_array_unsetc(zdriverOptions, "context");
	-
	- return true;
	-} /* }}} */
	-
	-/* Prepare authMechanismProperties for BSON encoding by converting a boolean
	- * value for the "CANONICALIZE_HOST_NAME" option to a string.
	- *
	- * Note: URI options are case-insensitive, so we must iterate through the
	- * HashTable in order to detect options. */
	-static void php_phongo_manager_prep_authmechanismproperties(zval* properties) /* {{{ */
	-{
	- HashTable* ht_data;
	-
	- if (Z_TYPE_P(properties) != IS_ARRAY && Z_TYPE_P(properties) != IS_OBJECT) {
	- return;
	- }
	-
	- ht_data = HASH_OF(properties);
	-
	- {
	- zend_string* string_key = NULL;
	- zend_ulong num_key = 0;
	- zval* property;
	-
	- ZEND_HASH_FOREACH_KEY_VAL_IND(ht_data, num_key, string_key, property)
	- {
	- if (!string_key) {
	- continue;
	- }
	-
	- /* URI options are case-insensitive */
	- if (!strcasecmp(ZSTR_VAL(string_key), "CANONICALIZE_HOST_NAME")) {
	- ZVAL_DEREF(property);
	- if (Z_TYPE_P(property) != IS_STRING && zend_is_true(property)) {
	- SEPARATE_ZVAL_NOREF(property);
	- ZVAL_NEW_STR(property, zend_string_init(ZEND_STRL("true"), 0));
	- }
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-} /* }}} */
	-
	-/* Prepare URI options for BSON encoding.
	- *
	- * Read preference tag sets must be an array of documents. In order to ensure
	- * that empty arrays serialize as empty documents, array elements will be
	- * converted to objects. php_phongo_read_preference_tags_are_valid() handles
	- * actual validation of the tag set structure.
	- *
	- * Auth mechanism properties must have string values, so a boolean true value
	- * for the "CANONICALIZE_HOST_NAME" property will be converted to "true".
	- *
	- * Note: URI options are case-insensitive, so we must iterate through the
	- * HashTable in order to detect options. */
	-static void php_phongo_manager_prep_uri_options(zval* options) /* {{{ */
	-{
	- HashTable* ht_data;
	-
	- if (Z_TYPE_P(options) != IS_ARRAY) {
	- return;
	- }
	-
	- ht_data = HASH_OF(options);
	-
	- {
	- zend_string* string_key = NULL;
	- zend_ulong num_key = 0;
	- zval* option;
	-
	- ZEND_HASH_FOREACH_KEY_VAL_IND(ht_data, num_key, string_key, option)
	- {
	- if (!string_key) {
	- continue;
	- }
	-
	- if (!strcasecmp(ZSTR_VAL(string_key), MONGOC_URI_READPREFERENCETAGS)) {
	- ZVAL_DEREF(option);
	- SEPARATE_ZVAL_NOREF(option);
	- php_phongo_read_preference_prep_tagsets(option);
	- continue;
	- }
	-
	- if (!strcasecmp(ZSTR_VAL(string_key), MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	- ZVAL_DEREF(option);
	- SEPARATE_ZVAL_NOREF(option);
	- php_phongo_manager_prep_authmechanismproperties(option);
	- continue;
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-} /* }}} */
	-
	-/* Selects a server for an execute method. If "for_writes" is true, a primary
	- * will be selected. Otherwise, a read preference will be used to select the
	- * server. If zreadPreference is NULL, the client's read preference will be
	- * used. If zsession is a session object in a sharded transaction, the session
	- * will be checked whether it is pinned to a server. If so, that server will be
	- * selected. Otherwise, server selection
	- *
	- * On success, server_id will be set and the function will return true;
	- * otherwise, false is returned and an exception is thrown. */
	-static bool php_phongo_manager_select_server(bool for_writes, bool inherit_read_preference, zval* zreadPreference, zval* zsession, mongoc_client_t* client, uint32_t* server_id) /* {{{ */
	-{
	- mongoc_server_description_t* selected_server;
	- const mongoc_read_prefs_t* read_preference = NULL;
	- bson_error_t error = { 0 };
	-
	- if (zsession) {
	- const mongoc_client_session_t* session = Z_SESSION_OBJ_P(zsession)->client_session;
	-
	- /* Attempt to fetch server pinned to session */
	- if (mongoc_client_session_get_server_id(session) > 0) {
	- *server_id = mongoc_client_session_get_server_id(session);
	-
	- return true;
	- }
	- }
	-
	- if (!for_writes) {
	- if (zreadPreference) {
	- read_preference = phongo_read_preference_from_zval(zreadPreference);
	- } else if (inherit_read_preference) {
	- read_preference = mongoc_client_get_read_prefs(client);
	- }
	- }
	-
	- selected_server = mongoc_client_select_server(client, for_writes, read_preference, &error);
	-
	- if (selected_server) {
	- *server_id = mongoc_server_description_id(selected_server);
	- mongoc_server_description_destroy(selected_server);
	-
	- return true;
	- }
	-
	- /* Check for connection related exceptions */
	- if (!EG(exception)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- }
	-
	- return false;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Manager::__construct([string $uri = "mongodb://127.0.0.1/"[, array $options = array()[, array $driverOptions = array()]]])
	- Constructs a new Manager */
	-static PHP_METHOD(Manager, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* uri_string = NULL;
	- size_t uri_string_len = 0;
	- zval* options = NULL;
	- zval* driverOptions = NULL;
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- /* Separate the options and driverOptions zvals, since we may end up
	- * modifying them in php_phongo_manager_prep_uri_options() and
	- * php_phongo_manager_merge_context_options() below, respectively. */
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|s!a/!a/!", &uri_string, &uri_string_len, &options, &driverOptions) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (options) {
	- php_phongo_manager_prep_uri_options(options);
	- }
	-
	- if (driverOptions && !php_phongo_manager_merge_context_options(driverOptions)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- phongo_manager_init(intern, uri_string ? uri_string : PHONGO_MANAGER_URI_DEFAULT, options, driverOptions);
	-
	- if (EG(exception)) {
	- return;
	- }
	-
	- /* Update the request-scoped Manager registry */
	- if (!php_phongo_manager_register(intern)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Failed to add Manager to internal registry");
	- }
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Manager::addSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	- Registers an event subscriber for this Manager */
	-static PHP_METHOD(Manager, addSubscriber)
	-{
	- php_phongo_manager_t* intern;
	- zval* subscriber;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- /* Lazily initialize the subscriber HashTable */
	- if (!intern->subscribers) {
	- ALLOC_HASHTABLE(intern->subscribers);
	- zend_hash_init(intern->subscribers, 0, NULL, ZVAL_PTR_DTOR, 0);
	- }
	-
	- phongo_apm_add_subscriber(intern->subscribers, subscriber);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\ClientEncryption MongoDB\Driver\Manager::createClientEncryption(array $options)
	- Return a ClientEncryption instance */
	-static PHP_METHOD(Manager, createClientEncryption)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- php_phongo_clientencryption_t* clientencryption;
	- zval* options;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- object_init_ex(return_value, php_phongo_clientencryption_ce);
	- clientencryption = Z_CLIENTENCRYPTION_OBJ_P(return_value);
	-
	- /* An exception will be thrown on error. */
	- phongo_clientencryption_init(clientencryption, getThis(), options);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	- Execute a Command */
	-static PHP_METHOD(Manager, executeCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	- bool free_options = false;
	- zval* zreadPreference = NULL;
	- zval* zsession = NULL;
	- uint32_t server_id = 0;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	-
	- if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!phongo_parse_read_preference(options, &zreadPreference)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!php_phongo_manager_select_server(false, false, zreadPreference, zsession, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- /* If the Manager was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- phongo_execute_command(getThis(), PHONGO_COMMAND_RAW, db, command, options, server_id, return_value);
	-
	-cleanup:
	- if (free_options) {
	- php_phongo_prep_legacy_option_free(options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeReadCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	- Execute a ReadCommand */
	-static PHP_METHOD(Manager, executeReadCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	- zval* zreadPreference = NULL;
	- uint32_t server_id = 0;
	- zval* zsession = NULL;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- if (!phongo_parse_read_preference(options, &zreadPreference)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- if (!php_phongo_manager_select_server(false, true, zreadPreference, zsession, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- /* If the Manager was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- phongo_execute_command(getThis(), PHONGO_COMMAND_READ, db, command, options, server_id, return_value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	- Execute a WriteCommand */
	-static PHP_METHOD(Manager, executeWriteCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	- uint32_t server_id = 0;
	- zval* zsession = NULL;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- if (!php_phongo_manager_select_server(true, false, NULL, zsession, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- /* If the Manager was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- phongo_execute_command(getThis(), PHONGO_COMMAND_WRITE, db, command, options, server_id, return_value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeReadWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	- Execute a ReadWriteCommand */
	-static PHP_METHOD(Manager, executeReadWriteCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	- uint32_t server_id = 0;
	- zval* zsession = NULL;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- if (!php_phongo_manager_select_server(true, false, NULL, zsession, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- /* If the Manager was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- phongo_execute_command(getThis(), PHONGO_COMMAND_READ_WRITE, db, command, options, server_id, return_value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeQuery(string $namespace, MongoDB\Driver\Query $query[, array $options = null])
	- Execute a Query */
	-static PHP_METHOD(Manager, executeQuery)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* namespace;
	- size_t namespace_len;
	- zval* query;
	- zval* options = NULL;
	- bool free_options = false;
	- zval* zreadPreference = NULL;
	- uint32_t server_id = 0;
	- zval* zsession = NULL;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &query, php_phongo_query_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	-
	- if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!phongo_parse_read_preference(options, &zreadPreference)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- if (!php_phongo_manager_select_server(false, true, zreadPreference, zsession, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- /* If the Manager was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- phongo_execute_query(getThis(), namespace, query, options, server_id, return_value);
	-
	-cleanup:
	- if (free_options) {
	- php_phongo_prep_legacy_option_free(options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\WriteResult MongoDB\Driver\Manager::executeBulkWrite(string $namespace, MongoDB\Driver\BulkWrite $zbulk[, array $options = null])
	- Executes a BulkWrite (i.e. any number of insert, update, and delete ops) */
	-static PHP_METHOD(Manager, executeBulkWrite)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- char* namespace;
	- size_t namespace_len;
	- zval* zbulk;
	- php_phongo_bulkwrite_t* bulk;
	- zval* options = NULL;
	- bool free_options = false;
	- uint32_t server_id = 0;
	- zval* zsession = NULL;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &zbulk, php_phongo_bulkwrite_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	- bulk = Z_BULKWRITE_OBJ_P(zbulk);
	-
	- options = php_phongo_prep_legacy_option(options, "writeConcern", &free_options);
	-
	- if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- if (!php_phongo_manager_select_server(true, false, NULL, zsession, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- goto cleanup;
	- }
	-
	- /* If the Server was created in a different process, reset the client so
	- * that its session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- phongo_execute_bulk_write(getThis(), namespace, bulk, options, server_id, return_value);
	-
	-cleanup:
	- if (free_options) {
	- php_phongo_prep_legacy_option_free(options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\ReadConcern MongoDB\Driver\Manager::getReadConcern()
	- Returns the ReadConcern associated with this Manager */
	-static PHP_METHOD(Manager, getReadConcern)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_readconcern_init(return_value, mongoc_client_get_read_concern(intern->client));
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\ReadPreference MongoDB\Driver\Manager::getReadPreference()
	- Returns the ReadPreference associated with this Manager */
	-static PHP_METHOD(Manager, getReadPreference)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_readpreference_init(return_value, mongoc_client_get_read_prefs(intern->client));
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server[] MongoDB\Driver\Manager::getServers()
	- Returns the Servers associated with this Manager */
	-static PHP_METHOD(Manager, getServers)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- mongoc_server_description_t** sds;
	- size_t i, n = 0;
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sds = mongoc_client_get_server_descriptions(intern->client, &n);
	- array_init_size(return_value, n);
	-
	- for (i = 0; i < n; i++) {
	- zval obj;
	-
	- phongo_server_init(&obj, getThis(), mongoc_server_description_id(sds[i]));
	- add_next_index_zval(return_value, &obj);
	- }
	-
	- mongoc_server_descriptions_destroy_all(sds, n);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\WriteConcern MongoDB\Driver\Manager::getWriteConcern()
	- Returns the WriteConcern associated with this Manager */
	-static PHP_METHOD(Manager, getWriteConcern)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_writeconcern_init(return_value, mongoc_client_get_write_concern(intern->client));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Manager::removeSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	- Unregisters an event subscriber for this Manager */
	-static PHP_METHOD(Manager, removeSubscriber)
	-{
	- php_phongo_manager_t* intern;
	- zval* subscriber;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- /* NOP if subscribers HashTable was never initialized by addSubscriber */
	- if (!intern->subscribers) {
	- return;
	- }
	-
	- phongo_apm_remove_subscriber(intern->subscribers, subscriber);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server MongoDB\Driver\Manager::selectServers([MongoDB\Driver\ReadPreference $readPreference = null])
	- Selects a Server for the given ReadPreference (default: primary). */
	-static PHP_METHOD(Manager, selectServer)
	-{
	- php_phongo_manager_t* intern;
	- zval* zreadPreference = NULL;
	- uint32_t server_id = 0;
	-
	- PHONGO_PARSE_PARAMETERS_START(0, 1)
	- Z_PARAM_OPTIONAL
	- Z_PARAM_OBJECT_OF_CLASS_OR_NULL(zreadPreference, php_phongo_readpreference_ce)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- if (!php_phongo_manager_select_server(false, false, zreadPreference, NULL, intern->client, &server_id)) {
	- /* Exception should already have been thrown */
	- return;
	- }
	-
	- phongo_server_init(return_value, getThis(), server_id);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Session MongoDB\Driver\Manager::startSession([array $options = null])
	- Returns a new client session */
	-static PHP_METHOD(Manager, startSession)
	-{
	- zend_error_handling error_handling;
	- php_phongo_manager_t* intern;
	- zval* options = NULL;
	- mongoc_session_opt_t* cs_opts = NULL;
	- mongoc_client_session_t* cs;
	- bson_error_t error = { 0 };
	- mongoc_transaction_opt_t* txn_opts = NULL;
	-
	- intern = Z_MANAGER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|a!", &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (options && php_array_existsc(options, "causalConsistency")) {
	- cs_opts = mongoc_session_opts_new();
	- mongoc_session_opts_set_causal_consistency(cs_opts, php_array_fetchc_bool(options, "causalConsistency"));
	- }
	-
	- if (options && php_array_existsc(options, "defaultTransactionOptions")) {
	- zval* txn_options = php_array_fetchc(options, "defaultTransactionOptions");
	-
	- /* Thrown exception and return if the defaultTransactionOptions is not an array */
	- if (Z_TYPE_P(txn_options) != IS_ARRAY) {
	- phongo_throw_exception(
	- PHONGO_ERROR_INVALID_ARGUMENT,
	- "Expected \"defaultTransactionOptions\" option to be an array, %s given",
	- PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(txn_options));
	- goto cleanup;
	- }
	-
	- /* Parse transaction options */
	- txn_opts = php_mongodb_session_parse_transaction_options(txn_options);
	-
	- /* If an exception is thrown while parsing, the txn_opts struct is also
	- * NULL, so no need to free it here */
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- /* If the options are non-empty, add them to the client session opts struct */
	- if (txn_opts) {
	- if (!cs_opts) {
	- cs_opts = mongoc_session_opts_new();
	- }
	-
	- mongoc_session_opts_set_default_transaction_opts(cs_opts, txn_opts);
	- mongoc_transaction_opts_destroy(txn_opts);
	- }
	- }
	-
	- if (options && php_array_existsc(options, "snapshot")) {
	- if (!cs_opts) {
	- cs_opts = mongoc_session_opts_new();
	- }
	- mongoc_session_opts_set_snapshot(cs_opts, php_array_fetchc_bool(options, "snapshot"));
	- }
	-
	- if (cs_opts && mongoc_session_opts_get_causal_consistency(cs_opts) && mongoc_session_opts_get_snapshot(cs_opts)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Only one of \"causalConsistency\" and \"snapshot\" can be enabled");
	- goto cleanup;
	- }
	-
	- /* If the Manager was created in a different process, reset the client so
	- * that its session pool is cleared. This will ensure that we do not re-use
	- * a server session (i.e. LSID) created by a parent process. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	-
	- cs = mongoc_client_start_session(intern->client, cs_opts, &error);
	-
	- if (cs) {
	- phongo_session_init(return_value, getThis(), cs);
	- } else {
	- phongo_throw_exception_from_bson_error_t(&error);
	- }
	-
	-cleanup:
	- if (cs_opts) {
	- mongoc_session_opts_destroy(cs_opts);
	- }
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Manager function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager___construct, 0, 0, 0)
	- ZEND_ARG_INFO(0, uri)
	- ZEND_ARG_ARRAY_INFO(0, options, 0)
	- ZEND_ARG_ARRAY_INFO(0, driverOptions, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_addSubscriber, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, subscriber, MongoDB\\Driver\\Monitoring\\Subscriber, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_createClientEncryption, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, options, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeCommand, 0, 0, 2)
	- ZEND_ARG_INFO(0, db)
	- ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	- ZEND_ARG_INFO(0, options)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeRWCommand, 0, 0, 2)
	- ZEND_ARG_INFO(0, db)
	- ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	- ZEND_ARG_ARRAY_INFO(0, options, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeQuery, 0, 0, 2)
	- ZEND_ARG_INFO(0, namespace)
	- ZEND_ARG_OBJ_INFO(0, zquery, MongoDB\\Driver\\Query, 0)
	- ZEND_ARG_INFO(0, options)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeBulkWrite, 0, 0, 2)
	- ZEND_ARG_INFO(0, namespace)
	- ZEND_ARG_OBJ_INFO(0, zbulk, MongoDB\\Driver\\BulkWrite, 0)
	- ZEND_ARG_INFO(0, options)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_removeSubscriber, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, subscriber, MongoDB\\Driver\\Monitoring\\Subscriber, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_selectServer, 0, 0, 0)
	- ZEND_ARG_OBJ_INFO(0, readPreference, MongoDB\\Driver\\ReadPreference, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_startSession, 0, 0, 0)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Manager_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_manager_me[] = {
	- /* clang-format off */
	- PHP_ME(Manager, __construct, ai_Manager___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, addSubscriber, ai_Manager_addSubscriber, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, createClientEncryption, ai_Manager_createClientEncryption, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, executeCommand, ai_Manager_executeCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, executeReadCommand, ai_Manager_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, executeWriteCommand, ai_Manager_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, executeReadWriteCommand, ai_Manager_executeCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, executeQuery, ai_Manager_executeQuery, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, executeBulkWrite, ai_Manager_executeBulkWrite, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, getReadConcern, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, getReadPreference, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, getServers, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, getWriteConcern, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, removeSubscriber, ai_Manager_removeSubscriber, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, selectServer, ai_Manager_selectServer, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Manager, startSession, ai_Manager_startSession, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Manager object handlers */
	-static zend_object_handlers php_phongo_handler_manager;
	-
	-static void php_phongo_manager_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_manager_t* intern = Z_OBJ_MANAGER(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- /* Update the request-scoped Manager registry. The return value is ignored
	- * because it's possible that the Manager was never registered due to a
	- * constructor exception. */
	- php_phongo_manager_unregister(intern);
	-
	- if (intern->client) {
	- /* Request-scoped clients will be removed from the registry and
	- * destroyed. This is a NOP for persistent clients. The return value is
	- * ignored because we can't reasonably report an error here. On the off
	- * chance any request-scoped clients are missed, they will ultimately be
	- * destroyed in RSHUTDOWN along with the registry HashTable. */
	- php_phongo_client_unregister(intern);
	- }
	-
	- if (intern->client_hash) {
	- efree(intern->client_hash);
	- }
	-
	- /* Free the keyVaultClient last to ensure that potential non-persistent
	- * clients are destroyed in the correct order */
	- if (!Z_ISUNDEF(intern->key_vault_client_manager)) {
	- zval_ptr_dtor(&intern->key_vault_client_manager);
	- }
	-
	- if (intern->subscribers) {
	- zend_hash_destroy(intern->subscribers);
	- FREE_HASHTABLE(intern->subscribers);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_manager_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_manager_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_manager_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- PHONGO_SET_CREATED_BY_PID(intern);
	-
	- intern->std.handlers = &php_phongo_handler_manager;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_manager_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_manager_t* intern;
	- mongoc_server_description_t** sds;
	- size_t i, n = 0;
	- zval retval = ZVAL_STATIC_INIT;
	- zval cluster;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_MANAGER(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init_size(&retval, 2);
	-
	- ADD_ASSOC_STRING(&retval, "uri", mongoc_uri_get_string(mongoc_client_get_uri(intern->client)));
	-
	- sds = mongoc_client_get_server_descriptions(intern->client, &n);
	-
	- array_init_size(&cluster, n);
	-
	- for (i = 0; i < n; i++) {
	- zval obj;
	-
	- if (!php_phongo_server_to_zval(&obj, intern->client, sds[i])) {
	- /* Exception already thrown */
	- zval_ptr_dtor(&obj);
	- zval_ptr_dtor(&cluster);
	- goto done;
	- }
	-
	- add_next_index_zval(&cluster, &obj);
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "cluster", &cluster);
	-
	-done:
	- mongoc_server_descriptions_destroy_all(sds, n);
	-
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_manager_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Manager", php_phongo_manager_me);
	- php_phongo_manager_ce = zend_register_internal_class(&ce);
	- php_phongo_manager_ce->create_object = php_phongo_manager_create_object;
	- PHONGO_CE_FINAL(php_phongo_manager_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_manager_ce);
	-
	- memcpy(&php_phongo_handler_manager, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_manager.get_debug_info = php_phongo_manager_get_debug_info;
	- php_phongo_handler_manager.free_obj = php_phongo_manager_free_object;
	- php_phongo_handler_manager.offset = XtOffsetOf(php_phongo_manager_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandFailedEvent.c b/mongodb-1.12.0/src/MongoDB/Monitoring/CommandFailedEvent.c
	deleted file mode 100644
	index 237715d5..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandFailedEvent.c
	+++ /dev/null
	@@ -1,334 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_commandfailedevent_ce;
	-
	-/* {{{ proto string CommandFailedEvent::getCommandName()
	- Returns the command name for this event */
	-PHP_METHOD(CommandFailedEvent, getCommandName)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETVAL_STRING(intern->command_name);
	-} /* }}} */
	-
	-/* {{{ proto int CommandFailedEvent::getDurationMicros()
	- Returns the event's duration in microseconds */
	-PHP_METHOD(CommandFailedEvent, getDurationMicros)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->duration_micros);
	-} /* }}} */
	-
	-/* {{{ proto Exception CommandFailedEvent::getError()
	- Returns the error document associated with the event */
	-PHP_METHOD(CommandFailedEvent, getError)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_ZVAL(&intern->z_error, 1, 0);
	-} /* }}} */
	-
	-/* {{{ proto string CommandFailedEvent::getOperationId()
	- Returns the event's operation ID */
	-PHP_METHOD(CommandFailedEvent, getOperationId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	- char int_as_string[20];
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sprintf(int_as_string, "%" PRIu64, intern->operation_id);
	- RETVAL_STRING(int_as_string);
	-} /* }}} */
	-
	-/* {{{ proto stdClass CommandFailedEvent::getReply()
	- Returns the reply document associated with the event */
	-PHP_METHOD(CommandFailedEvent, getReply)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	-} /* }}} */
	-
	-/* {{{ proto string CommandFailedEvent::getRequestId()
	- Returns the event's request ID */
	-PHP_METHOD(CommandFailedEvent, getRequestId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	- char int_as_string[20];
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sprintf(int_as_string, "%" PRIu64, intern->request_id);
	- RETVAL_STRING(int_as_string);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server CommandFailedEvent::getServer()
	- Returns the Server from which the event originated */
	-PHP_METHOD(CommandFailedEvent, getServer)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandfailedevent_t* intern;
	-
	- intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_server_init(return_value, &intern->manager, intern->server_id);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\ObjectId\|null CommandFailedEvent::getServiceId()
	- Returns the event's service ID */
	-PHP_METHOD(CommandFailedEvent, getServiceId)
	-{
	- php_phongo_commandfailedevent_t* intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	-
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- if (!intern->has_service_id) {
	- RETURN_NULL();
	- }
	-
	- phongo_objectid_init(return_value, &intern->service_id);
	-} /* }}} */
	-
	-/**
	- * Event thrown when a command has failed to execute.
	- *
	- * This class is only constructed internally.
	- */
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandFailedEvent function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandFailedEvent_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_commandfailedevent_me[] = {
	- /* clang-format off */
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CommandFailedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getCommandName, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getError, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getDurationMicros, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getOperationId, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getReply, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getRequestId, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getServer, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandFailedEvent, getServiceId, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandFailedEvent object handlers */
	-static zend_object_handlers php_phongo_handler_commandfailedevent;
	-
	-static void php_phongo_commandfailedevent_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_commandfailedevent_t* intern = Z_OBJ_COMMANDFAILEDEVENT(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (!Z_ISUNDEF(intern->z_error)) {
	- zval_ptr_dtor(&intern->z_error);
	- }
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-
	- if (intern->reply) {
	- bson_destroy(intern->reply);
	- }
	-
	- if (intern->command_name) {
	- efree(intern->command_name);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_commandfailedevent_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_commandfailedevent_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_commandfailedevent_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_commandfailedevent;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_commandfailedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_commandfailedevent_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	- char operation_id[20], request_id[20];
	- php_phongo_bson_state reply_state;
	-
	- PHONGO_BSON_INIT_STATE(reply_state);
	-
	- intern = Z_OBJ_COMMANDFAILEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	- *is_temp = 1;
	- array_init_size(&retval, 6);
	-
	- ADD_ASSOC_STRING(&retval, "commandName", intern->command_name);
	- ADD_ASSOC_INT64(&retval, "durationMicros", (int64_t) intern->duration_micros);
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "error", &intern->z_error);
	- Z_ADDREF(intern->z_error);
	-
	- sprintf(operation_id, "%" PRIu64, intern->operation_id);
	- ADD_ASSOC_STRING(&retval, "operationId", operation_id);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &reply_state)) {
	- zval_ptr_dtor(&reply_state.zchild);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL(&retval, "reply", &reply_state.zchild);
	-
	- sprintf(request_id, "%" PRIu64, intern->request_id);
	- ADD_ASSOC_STRING(&retval, "requestId", request_id);
	-
	- {
	- zval server;
	-
	- phongo_server_init(&server, &intern->manager, intern->server_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	- }
	-
	- if (intern->has_service_id) {
	- zval service_id;
	-
	- phongo_objectid_init(&service_id, &intern->service_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "serviceId", &service_id);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "serviceId");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_commandfailedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	- (void) type;
	- (void) module_number;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandFailedEvent", php_phongo_commandfailedevent_me);
	- php_phongo_commandfailedevent_ce = zend_register_internal_class(&ce);
	- php_phongo_commandfailedevent_ce->create_object = php_phongo_commandfailedevent_create_object;
	- PHONGO_CE_FINAL(php_phongo_commandfailedevent_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_commandfailedevent_ce);
	-
	- memcpy(&php_phongo_handler_commandfailedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_commandfailedevent.get_debug_info = php_phongo_commandfailedevent_get_debug_info;
	- php_phongo_handler_commandfailedevent.free_obj = php_phongo_commandfailedevent_free_object;
	- php_phongo_handler_commandfailedevent.offset = XtOffsetOf(php_phongo_commandfailedevent_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandStartedEvent.c b/mongodb-1.12.0/src/MongoDB/Monitoring/CommandStartedEvent.c
	deleted file mode 100644
	index 2583ae97..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandStartedEvent.c
	+++ /dev/null
	@@ -1,313 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_commandstartedevent_ce;
	-
	-/* {{{ proto stdClass CommandStartedEvent::getCommand()
	- Returns the command document associated with the event */
	-PHP_METHOD(CommandStartedEvent, getCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandstartedevent_t* intern;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->command), intern->command->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	-} /* }}} */
	-
	-/* {{{ proto string CommandStartedEvent::getCommandName()
	- Returns the command name for this event */
	-PHP_METHOD(CommandStartedEvent, getCommandName)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandstartedevent_t* intern;
	-
	- intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETVAL_STRING(intern->command_name);
	-} /* }}} */
	-
	-/* {{{ proto string CommandStartedEvent::getDatabaseName()
	- Returns the database name for this event */
	-PHP_METHOD(CommandStartedEvent, getDatabaseName)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandstartedevent_t* intern;
	-
	- intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETVAL_STRING(intern->database_name);
	-} /* }}} */
	-
	-/* {{{ proto string CommandStartedEvent::getOperationId()
	- Returns the event's operation ID */
	-PHP_METHOD(CommandStartedEvent, getOperationId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandstartedevent_t* intern;
	- char int_as_string[20];
	-
	- intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sprintf(int_as_string, "%" PRIu64, intern->operation_id);
	- RETVAL_STRING(int_as_string);
	-} /* }}} */
	-
	-/* {{{ proto string CommandStartedEvent::getRequestId()
	- Returns the event's request ID */
	-PHP_METHOD(CommandStartedEvent, getRequestId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandstartedevent_t* intern;
	- char int_as_string[20];
	-
	- intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sprintf(int_as_string, "%" PRIu64, intern->request_id);
	- RETVAL_STRING(int_as_string);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server CommandStartedEvent::getServer()
	- Returns the Server from which the event originated */
	-PHP_METHOD(CommandStartedEvent, getServer)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandstartedevent_t* intern;
	-
	- intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_server_init(return_value, &intern->manager, intern->server_id);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\ObjectId\|null CommandStartedEvent::getServiceId()
	- Returns the event's service ID */
	-PHP_METHOD(CommandStartedEvent, getServiceId)
	-{
	- php_phongo_commandstartedevent_t* intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	-
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- if (!intern->has_service_id) {
	- RETURN_NULL();
	- }
	-
	- phongo_objectid_init(return_value, &intern->service_id);
	-} /* }}} */
	-
	-/**
	- * Event thrown when a command has started to execute.
	- *
	- * This class is only constructed internally.
	- */
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandStartedEvent function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandStartedEvent_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_commandstartedevent_me[] = {
	- /* clang-format off */
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CommandStartedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getCommand, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getCommandName, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getDatabaseName, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getOperationId, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getRequestId, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getServer, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandStartedEvent, getServiceId, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandStartedEvent object handlers */
	-static zend_object_handlers php_phongo_handler_commandstartedevent;
	-
	-static void php_phongo_commandstartedevent_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_commandstartedevent_t* intern = Z_OBJ_COMMANDSTARTEDEVENT(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-
	- if (intern->command) {
	- bson_destroy(intern->command);
	- }
	-
	- if (intern->command_name) {
	- efree(intern->command_name);
	- }
	-
	- if (intern->database_name) {
	- efree(intern->database_name);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_commandstartedevent_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_commandstartedevent_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_commandstartedevent_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_commandstartedevent;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_commandstartedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_commandstartedevent_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	- char operation_id[20], request_id[20];
	- php_phongo_bson_state command_state;
	-
	- PHONGO_BSON_INIT_STATE(command_state);
	-
	- intern = Z_OBJ_COMMANDSTARTEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	- *is_temp = 1;
	- array_init_size(&retval, 6);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->command), intern->command->len, &command_state)) {
	- zval_ptr_dtor(&command_state.zchild);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL(&retval, "command", &command_state.zchild);
	-
	- ADD_ASSOC_STRING(&retval, "commandName", intern->command_name);
	- ADD_ASSOC_STRING(&retval, "databaseName", intern->database_name);
	-
	- sprintf(operation_id, "%" PRIu64, intern->operation_id);
	- ADD_ASSOC_STRING(&retval, "operationId", operation_id);
	-
	- sprintf(request_id, "%" PRIu64, intern->request_id);
	- ADD_ASSOC_STRING(&retval, "requestId", request_id);
	-
	- {
	- zval server;
	-
	- phongo_server_init(&server, &intern->manager, intern->server_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	- }
	-
	- if (intern->has_service_id) {
	- zval service_id;
	-
	- phongo_objectid_init(&service_id, &intern->service_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "serviceId", &service_id);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "serviceId");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_commandstartedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	- (void) type;
	- (void) module_number;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandStartedEvent", php_phongo_commandstartedevent_me);
	- php_phongo_commandstartedevent_ce = zend_register_internal_class(&ce);
	- php_phongo_commandstartedevent_ce->create_object = php_phongo_commandstartedevent_create_object;
	- PHONGO_CE_FINAL(php_phongo_commandstartedevent_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_commandstartedevent_ce);
	-
	- memcpy(&php_phongo_handler_commandstartedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_commandstartedevent.get_debug_info = php_phongo_commandstartedevent_get_debug_info;
	- php_phongo_handler_commandstartedevent.free_obj = php_phongo_commandstartedevent_free_object;
	- php_phongo_handler_commandstartedevent.offset = XtOffsetOf(php_phongo_commandstartedevent_t, std);
	-
	- return;
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandSubscriber.c b/mongodb-1.12.0/src/MongoDB/Monitoring/CommandSubscriber.c
	deleted file mode 100644
	index 0de7dee3..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandSubscriber.c
	+++ /dev/null
	@@ -1,72 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_commandsubscriber_ce;
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandSubscriber function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandSubscriber_commandStarted, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\CommandStartedEvent, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandSubscriber_commandSucceeded, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\CommandSucceededEvent, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandSubscriber_commandFailed, 0, 0, 1)
	- ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\CommandFailedEvent, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_commandsubscriber_me[] = {
	- /* clang-format off */
	- ZEND_ABSTRACT_ME(CommandSubscriber, commandStarted, ai_CommandSubscriber_commandStarted)
	- ZEND_ABSTRACT_ME(CommandSubscriber, commandSucceeded, ai_CommandSubscriber_commandSucceeded)
	- ZEND_ABSTRACT_ME(CommandSubscriber, commandFailed, ai_CommandSubscriber_commandFailed)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-void php_phongo_commandsubscriber_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	- (void) type;
	- (void) module_number;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandSubscriber", php_phongo_commandsubscriber_me);
	- php_phongo_commandsubscriber_ce = zend_register_internal_interface(&ce);
	- zend_class_implements(php_phongo_commandsubscriber_ce, 1, php_phongo_subscriber_ce);
	-
	- return;
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandSucceededEvent.c b/mongodb-1.12.0/src/MongoDB/Monitoring/CommandSucceededEvent.c
	deleted file mode 100644
	index 9c2010f6..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/CommandSucceededEvent.c
	+++ /dev/null
	@@ -1,309 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_commandsucceededevent_ce;
	-
	-/* {{{ proto string CommandSucceededEvent::getCommandName()
	- Returns the command name for this event */
	-PHP_METHOD(CommandSucceededEvent, getCommandName)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandsucceededevent_t* intern;
	-
	- intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETVAL_STRING(intern->command_name);
	-} /* }}} */
	-
	-/* {{{ proto int CommandSucceededEvent::getDurationMicros()
	- Returns the event's duration in microseconds */
	-PHP_METHOD(CommandSucceededEvent, getDurationMicros)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandsucceededevent_t* intern;
	-
	- intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->duration_micros);
	-} /* }}} */
	-
	-/* {{{ proto string CommandSucceededEvent::getOperationId()
	- Returns the event's operation ID */
	-PHP_METHOD(CommandSucceededEvent, getOperationId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandsucceededevent_t* intern;
	- char int_as_string[20];
	-
	- intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sprintf(int_as_string, "%" PRIu64, intern->operation_id);
	- RETVAL_STRING(int_as_string);
	-} /* }}} */
	-
	-/* {{{ proto stdClass CommandSucceededEvent::getReply()
	- Returns the reply document associated with the event */
	-PHP_METHOD(CommandSucceededEvent, getReply)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandsucceededevent_t* intern;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	-} /* }}} */
	-
	-/* {{{ proto string CommandsucceededEvent::getRequestId()
	- Returns the event's request ID */
	-PHP_METHOD(CommandSucceededEvent, getRequestId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandsucceededevent_t* intern;
	- char int_as_string[20];
	-
	- intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- sprintf(int_as_string, "%" PRIu64, intern->request_id);
	- RETVAL_STRING(int_as_string);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server CommandSucceededEvent::getServer()
	- Returns the Server from which the event originated */
	-PHP_METHOD(CommandSucceededEvent, getServer)
	-{
	- zend_error_handling error_handling;
	- php_phongo_commandsucceededevent_t* intern;
	-
	- intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_server_init(return_value, &intern->manager, intern->server_id);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\ObjectId\|null CommandSucceededEvent::getServiceId()
	- Returns the event's service ID */
	-PHP_METHOD(CommandSucceededEvent, getServiceId)
	-{
	- php_phongo_commandsucceededevent_t* intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	-
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- if (!intern->has_service_id) {
	- RETURN_NULL();
	- }
	-
	- phongo_objectid_init(return_value, &intern->service_id);
	-} /* }}} */
	-
	-/**
	- * Event thrown when a command has succeeded to execute.
	- *
	- * This class is only constructed internally.
	- */
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandSucceededEvent function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_CommandSucceededEvent_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_commandsucceededevent_me[] = {
	- /* clang-format off */
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CommandSucceededEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getCommandName, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getDurationMicros, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getOperationId, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getReply, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getRequestId, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getServer, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(CommandSucceededEvent, getServiceId, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Monitoring\CommandSucceededEvent object handlers */
	-static zend_object_handlers php_phongo_handler_commandsucceededevent;
	-
	-static void php_phongo_commandsucceededevent_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_commandsucceededevent_t* intern = Z_OBJ_COMMANDSUCCEEDEDEVENT(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-
	- if (intern->reply) {
	- bson_destroy(intern->reply);
	- }
	-
	- if (intern->command_name) {
	- efree(intern->command_name);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_commandsucceededevent_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_commandsucceededevent_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_commandsucceededevent_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_commandsucceededevent;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_commandsucceededevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_commandsucceededevent_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	- char operation_id[20], request_id[20];
	- php_phongo_bson_state reply_state;
	-
	- PHONGO_BSON_INIT_STATE(reply_state);
	-
	- intern = Z_OBJ_COMMANDSUCCEEDEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	- *is_temp = 1;
	- array_init_size(&retval, 6);
	-
	- ADD_ASSOC_STRING(&retval, "commandName", intern->command_name);
	- ADD_ASSOC_INT64(&retval, "durationMicros", (int64_t) intern->duration_micros);
	-
	- sprintf(operation_id, "%" PRIu64, intern->operation_id);
	- ADD_ASSOC_STRING(&retval, "operationId", operation_id);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &reply_state)) {
	- zval_ptr_dtor(&reply_state.zchild);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL(&retval, "reply", &reply_state.zchild);
	-
	- sprintf(request_id, "%" PRIu64, intern->request_id);
	- ADD_ASSOC_STRING(&retval, "requestId", request_id);
	-
	- {
	- zval server;
	-
	- phongo_server_init(&server, &intern->manager, intern->server_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	- }
	-
	- if (intern->has_service_id) {
	- zval service_id;
	-
	- phongo_objectid_init(&service_id, &intern->service_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "serviceId", &service_id);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "serviceId");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_commandsucceededevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	- (void) type;
	- (void) module_number;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandSucceededEvent", php_phongo_commandsucceededevent_me);
	- php_phongo_commandsucceededevent_ce = zend_register_internal_class(&ce);
	- php_phongo_commandsucceededevent_ce->create_object = php_phongo_commandsucceededevent_create_object;
	- PHONGO_CE_FINAL(php_phongo_commandsucceededevent_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_commandsucceededevent_ce);
	-
	- memcpy(&php_phongo_handler_commandsucceededevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_commandsucceededevent.get_debug_info = php_phongo_commandsucceededevent_get_debug_info;
	- php_phongo_handler_commandsucceededevent.free_obj = php_phongo_commandsucceededevent_free_object;
	- php_phongo_handler_commandsucceededevent.offset = XtOffsetOf(php_phongo_commandsucceededevent_t, std);
	-
	- return;
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/Subscriber.c b/mongodb-1.12.0/src/MongoDB/Monitoring/Subscriber.c
	deleted file mode 100644
	index ef716e47..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/Subscriber.c
	+++ /dev/null
	@@ -1,54 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_subscriber_ce;
	-
	-/* {{{ MongoDB\Driver\Monitoring\Subscriber function entries */
	-static zend_function_entry php_phongo_subscriber_me[] = {
	- PHP_FE_END
	-};
	-/* }}} */
	-
	-void php_phongo_subscriber_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	- (void) type;
	- (void) module_number;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "Subscriber", php_phongo_subscriber_me);
	- php_phongo_subscriber_ce = zend_register_internal_interface(&ce);
	-
	- return;
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/functions.c b/mongodb-1.12.0/src/MongoDB/Monitoring/functions.c
	deleted file mode 100644
	index 8e90602d..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/functions.c
	+++ /dev/null
	@@ -1,62 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "src/phongo_apm.h"
	-
	-ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	-
	-/* {{{ proto void MongoDB\Driver\Monitoring\addSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	- Registers a global event subscriber */
	-PHP_FUNCTION(MongoDB_Driver_Monitoring_addSubscriber)
	-{
	- zval* subscriber;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- phongo_apm_add_subscriber(MONGODB_G(subscribers), subscriber);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Monitoring\removeSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	- Unregisters a global event subscriber */
	-PHP_FUNCTION(MongoDB_Driver_Monitoring_removeSubscriber)
	-{
	- zval* subscriber;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- phongo_apm_remove_subscriber(MONGODB_G(subscribers), subscriber);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Monitoring/functions.h b/mongodb-1.12.0/src/MongoDB/Monitoring/functions.h
	deleted file mode 100644
	index 10790f79..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Monitoring/functions.h
	+++ /dev/null
	@@ -1,34 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_MONITORING_FUNCTIONS_H
	-#define PHONGO_MONITORING_FUNCTIONS_H
	-
	-#include <php.h>
	-
	-PHP_FUNCTION(MongoDB_Driver_Monitoring_addSubscriber);
	-PHP_FUNCTION(MongoDB_Driver_Monitoring_removeSubscriber);
	-
	-#endif /* PHONGO_MONITORING_FUNCTIONS_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Query.c b/mongodb-1.12.0/src/MongoDB/Query.c
	deleted file mode 100644
	index 7c590225..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Query.c
	+++ /dev/null
	@@ -1,502 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_array_api.h"
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_query_ce;
	-
	-/* Appends a string field into the BSON options. Returns true on success;
	- * otherwise, false is returned and an exception is thrown. */
	-static bool php_phongo_query_opts_append_string(bson_t* opts, const char* opts_key, zval* zarr, const char* zarr_key) /* {{{ */
	-{
	- zval* value = php_array_fetch(zarr, zarr_key);
	-
	- if (Z_TYPE_P(value) != IS_STRING) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" %s to be string, %s given", zarr_key, zarr_key[0] == '$' ? "modifier" : "option", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(value));
	- return false;
	- }
	-
	- if (!bson_append_utf8(opts, opts_key, strlen(opts_key), Z_STRVAL_P(value), Z_STRLEN_P(value))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", opts_key);
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Appends a document field for the given opts document and key. Returns true on
	- * success; otherwise, false is returned and an exception is thrown. */
	-static bool php_phongo_query_opts_append_document(bson_t* opts, const char* opts_key, zval* zarr, const char* zarr_key) /* {{{ */
	-{
	- zval* value = php_array_fetch(zarr, zarr_key);
	- bson_t b = BSON_INITIALIZER;
	-
	- if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" %s to be array or object, %s given", zarr_key, zarr_key[0] == '$' ? "modifier" : "option", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(value));
	- return false;
	- }
	-
	- php_phongo_zval_to_bson(value, PHONGO_BSON_NONE, &b, NULL);
	-
	- if (EG(exception)) {
	- bson_destroy(&b);
	- return false;
	- }
	-
	- if (!bson_validate(&b, BSON_VALIDATE_EMPTY_KEYS, NULL)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use empty keys in \"%s\" %s", zarr_key, zarr_key[0] == '$' ? "modifier" : "option");
	- bson_destroy(&b);
	- return false;
	- }
	-
	- if (!BSON_APPEND_DOCUMENT(opts, opts_key, &b)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", opts_key);
	- bson_destroy(&b);
	- return false;
	- }
	-
	- bson_destroy(&b);
	- return true;
	-} /* }}} */
	-
	-#define PHONGO_QUERY_OPT_BOOL_EX(opt, zarr, key, deprecated) \
	- if ((zarr) && php_array_existsc((zarr), (key))) { \
	- if ((deprecated)) { \
	- php_error_docref(NULL, E_DEPRECATED, "The \"%s\" option is deprecated and will be removed in a future release", key); \
	- } \
	- if (!BSON_APPEND_BOOL(intern->opts, (opt), php_array_fetchc_bool((zarr), (key)))) { \
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	- return false; \
	- } \
	- }
	-
	-#define PHONGO_QUERY_OPT_BOOL(opt, zarr, key) PHONGO_QUERY_OPT_BOOL_EX((opt), (zarr), (key), 0)
	-#define PHONGO_QUERY_OPT_BOOL_DEPRECATED(opt, zarr, key) PHONGO_QUERY_OPT_BOOL_EX((opt), (zarr), (key), 1)
	-
	-#define PHONGO_QUERY_OPT_DOCUMENT(opt, zarr, key) \
	- if ((zarr) && php_array_existsc((zarr), (key))) { \
	- if (!php_phongo_query_opts_append_document(intern->opts, (opt), (zarr), (key))) { \
	- return false; \
	- } \
	- }
	-
	-/* Note: handling of integer options will depend on SIZEOF_ZEND_LONG and we
	- * are not converting strings to 64-bit integers for 32-bit platforms. */
	-
	-#define PHONGO_QUERY_OPT_INT64_EX(opt, zarr, key, deprecated) \
	- if ((zarr) && php_array_existsc((zarr), (key))) { \
	- if ((deprecated)) { \
	- php_error_docref(NULL, E_DEPRECATED, "The \"%s\" option is deprecated and will be removed in a future release", key); \
	- } \
	- if (!BSON_APPEND_INT64(intern->opts, (opt), php_array_fetchc_long((zarr), (key)))) { \
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	- return false; \
	- } \
	- }
	-
	-#define PHONGO_QUERY_OPT_INT64(opt, zarr, key) PHONGO_QUERY_OPT_INT64_EX((opt), (zarr), (key), 0)
	-#define PHONGO_QUERY_OPT_INT64_DEPRECATED(opt, zarr, key) PHONGO_QUERY_OPT_INT64_EX((opt), (zarr), (key), 1)
	-
	-#define PHONGO_QUERY_OPT_STRING(opt, zarr, key) \
	- if ((zarr) && php_array_existsc((zarr), (key))) { \
	- if (!php_phongo_query_opts_append_string(intern->opts, (opt), (zarr), (key))) { \
	- return false; \
	- } \
	- }
	-
	-/* Initialize the "hint" option. Returns true on success; otherwise, false is
	- * returned and an exception is thrown.
	- *
	- * The "hint" option (or "$hint" modifier) must be a string or document. Check
	- * for both types and merge into BSON options accordingly. */
	-static bool php_phongo_query_init_hint(php_phongo_query_t* intern, zval* options, zval* modifiers) /* {{{ */
	-{
	- /* The "hint" option (or "$hint" modifier) must be a string or document.
	- * Check for both types and merge into BSON options accordingly. */
	- if (php_array_existsc(options, "hint")) {
	- zend_uchar type = Z_TYPE_P(php_array_fetchc(options, "hint"));
	-
	- if (type == IS_STRING) {
	- PHONGO_QUERY_OPT_STRING("hint", options, "hint");
	- } else if (type == IS_OBJECT \|\| type == IS_ARRAY) {
	- PHONGO_QUERY_OPT_DOCUMENT("hint", options, "hint");
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"hint\" option to be string, array, or object, %s given", zend_get_type_by_const(type));
	- return false;
	- }
	- } else if (modifiers && php_array_existsc(modifiers, "$hint")) {
	- zend_uchar type = Z_TYPE_P(php_array_fetchc(modifiers, "$hint"));
	-
	- if (type == IS_STRING) {
	- PHONGO_QUERY_OPT_STRING("hint", modifiers, "$hint");
	- } else if (type == IS_OBJECT \|\| type == IS_ARRAY) {
	- PHONGO_QUERY_OPT_DOCUMENT("hint", modifiers, "$hint");
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"$hint\" modifier to be string, array, or object, %s given", zend_get_type_by_const(type));
	- return false;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the "limit" and "singleBatch" options. Returns true on success;
	- * otherwise, false is returned and an exception is thrown.
	- *
	- * mongoc_collection_find_with_opts() requires a non-negative limit. For
	- * backwards compatibility, a negative limit should be set as a positive value
	- * and default singleBatch to true. */
	-static bool php_phongo_query_init_limit_and_singlebatch(php_phongo_query_t* intern, zval* options) /* {{{ */
	-{
	- if (php_array_fetchc_long(options, "limit") < 0) {
	- zend_long limit = php_array_fetchc_long(options, "limit");
	-
	- if (!BSON_APPEND_INT64(intern->opts, "limit", -limit)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"limit\" option");
	- return false;
	- }
	-
	- if (php_array_existsc(options, "singleBatch") && !php_array_fetchc_bool(options, "singleBatch")) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Negative \"limit\" option conflicts with false \"singleBatch\" option");
	- return false;
	- } else {
	- if (!BSON_APPEND_BOOL(intern->opts, "singleBatch", true)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"singleBatch\" option");
	- return false;
	- }
	- }
	- } else {
	- PHONGO_QUERY_OPT_INT64("limit", options, "limit");
	- PHONGO_QUERY_OPT_BOOL("singleBatch", options, "singleBatch");
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the "readConcern" option. Returns true on success; otherwise,
	- * false is returned and an exception is thrown.
	- *
	- * The "readConcern" option should be a MongoDB\Driver\ReadConcern instance,
	- * which must be converted to a mongoc_read_concern_t. */
	-static bool php_phongo_query_init_readconcern(php_phongo_query_t* intern, zval* options) /* {{{ */
	-{
	- zval* read_concern;
	-
	- if (!php_array_existsc(options, "readConcern")) {
	- return true;
	- }
	-
	- read_concern = php_array_fetchc(options, "readConcern");
	-
	- if (Z_TYPE_P(read_concern) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(read_concern), php_phongo_readconcern_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(read_concern));
	- return false;
	- }
	-
	- intern->read_concern = mongoc_read_concern_copy(phongo_read_concern_from_zval(read_concern));
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the "maxAwaitTimeMS" option. Returns true on success; otherwise,
	- * false is returned and an exception is thrown.
	- *
	- * The "maxAwaitTimeMS" option is assigned to the cursor after query execution
	- * via mongoc_cursor_set_max_await_time_ms(). */
	-static bool php_phongo_query_init_max_await_time_ms(php_phongo_query_t* intern, zval* options) /* {{{ */
	-{
	- int64_t max_await_time_ms;
	-
	- if (!php_array_existsc(options, "maxAwaitTimeMS")) {
	- return true;
	- }
	-
	- max_await_time_ms = php_array_fetchc_long(options, "maxAwaitTimeMS");
	-
	- if (max_await_time_ms < 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be >= 0, %" PRId64 " given", max_await_time_ms);
	- return false;
	- }
	-
	- if (max_await_time_ms > UINT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be <= %" PRIu32 ", %" PRId64 " given", UINT32_MAX, max_await_time_ms);
	- return false;
	- }
	-
	- intern->max_await_time_ms = (uint32_t) max_await_time_ms;
	-
	- return true;
	-} /* }}} */
	-
	-/* Initializes the php_phongo_query_t from filter and options arguments. This
	- * function will fall back to a modifier in the absence of a top-level option
	- * (where applicable). */
	-static bool php_phongo_query_init(php_phongo_query_t* intern, zval* filter, zval* options) /* {{{ */
	-{
	- zval* modifiers = NULL;
	-
	- intern->filter = bson_new();
	- intern->opts = bson_new();
	- intern->max_await_time_ms = 0;
	-
	- php_phongo_zval_to_bson(filter, PHONGO_BSON_NONE, intern->filter, NULL);
	-
	- /* Note: if any exceptions are thrown, we can simply return as PHP will
	- * invoke php_phongo_query_free_object to destruct the object. */
	- if (EG(exception)) {
	- return false;
	- }
	-
	- if (!bson_validate(intern->filter, BSON_VALIDATE_EMPTY_KEYS, NULL)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use empty keys in filter document");
	- return false;
	- }
	-
	- if (!options) {
	- return true;
	- }
	-
	- if (php_array_existsc(options, "modifiers")) {
	- modifiers = php_array_fetchc(options, "modifiers");
	-
	- if (Z_TYPE_P(modifiers) != IS_ARRAY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"modifiers\" option to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(modifiers));
	- return false;
	- }
	- }
	-
	- PHONGO_QUERY_OPT_BOOL("allowDiskUse", options, "allowDiskUse")
	- PHONGO_QUERY_OPT_BOOL("allowPartialResults", options, "allowPartialResults")
	- else PHONGO_QUERY_OPT_BOOL("allowPartialResults", options, "partial");
	- PHONGO_QUERY_OPT_BOOL("awaitData", options, "awaitData");
	- PHONGO_QUERY_OPT_INT64("batchSize", options, "batchSize");
	- PHONGO_QUERY_OPT_DOCUMENT("collation", options, "collation");
	- PHONGO_QUERY_OPT_STRING("comment", options, "comment")
	- else PHONGO_QUERY_OPT_STRING("comment", modifiers, "$comment");
	- PHONGO_QUERY_OPT_BOOL("exhaust", options, "exhaust");
	- PHONGO_QUERY_OPT_DOCUMENT("max", options, "max")
	- else PHONGO_QUERY_OPT_DOCUMENT("max", modifiers, "$max");
	- PHONGO_QUERY_OPT_INT64_DEPRECATED("maxScan", options, "maxScan")
	- else PHONGO_QUERY_OPT_INT64_DEPRECATED("maxScan", modifiers, "$maxScan");
	- PHONGO_QUERY_OPT_INT64("maxTimeMS", options, "maxTimeMS")
	- else PHONGO_QUERY_OPT_INT64("maxTimeMS", modifiers, "$maxTimeMS");
	- PHONGO_QUERY_OPT_DOCUMENT("min", options, "min")
	- else PHONGO_QUERY_OPT_DOCUMENT("min", modifiers, "$min");
	- PHONGO_QUERY_OPT_BOOL("noCursorTimeout", options, "noCursorTimeout");
	- PHONGO_QUERY_OPT_BOOL_DEPRECATED("oplogReplay", options, "oplogReplay");
	- PHONGO_QUERY_OPT_DOCUMENT("projection", options, "projection");
	- PHONGO_QUERY_OPT_BOOL("returnKey", options, "returnKey")
	- else PHONGO_QUERY_OPT_BOOL("returnKey", modifiers, "$returnKey");
	- PHONGO_QUERY_OPT_BOOL("showRecordId", options, "showRecordId")
	- else PHONGO_QUERY_OPT_BOOL("showRecordId", modifiers, "$showDiskLoc");
	- PHONGO_QUERY_OPT_INT64("skip", options, "skip");
	- PHONGO_QUERY_OPT_DOCUMENT("sort", options, "sort")
	- else PHONGO_QUERY_OPT_DOCUMENT("sort", modifiers, "$orderby");
	- PHONGO_QUERY_OPT_BOOL_DEPRECATED("snapshot", options, "snapshot")
	- else PHONGO_QUERY_OPT_BOOL_DEPRECATED("snapshot", modifiers, "$snapshot");
	- PHONGO_QUERY_OPT_BOOL("tailable", options, "tailable");
	-
	- /* The "$explain" modifier should be converted to an "explain" option, which
	- * libmongoc will later convert back to a modifier for the OP_QUERY code
	- * path. This modifier will be ignored for the find command code path. */
	- PHONGO_QUERY_OPT_BOOL("explain", modifiers, "$explain");
	-
	- if (!php_phongo_query_init_hint(intern, options, modifiers)) {
	- return false;
	- }
	-
	- if (!php_phongo_query_init_limit_and_singlebatch(intern, options)) {
	- return false;
	- }
	-
	- if (!php_phongo_query_init_readconcern(intern, options)) {
	- return false;
	- }
	-
	- if (!php_phongo_query_init_max_await_time_ms(intern, options)) {
	- return false;
	- }
	-
	- return true;
	-} /* }}} */
	-
	-#undef PHONGO_QUERY_OPT_BOOL
	-#undef PHONGO_QUERY_OPT_DOCUMENT
	-#undef PHONGO_QUERY_OPT_INT64
	-#undef PHONGO_QUERY_OPT_STRING
	-
	-/* {{{ proto void MongoDB\Driver\Query::__construct(array\|object $filter[, array $options = array()])
	- Constructs a new Query */
	-static PHP_METHOD(Query, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_query_t* intern;
	- zval* filter;
	- zval* options = NULL;
	-
	- intern = Z_QUERY_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "A\|a!", &filter, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_query_init(intern, filter, options);
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Query function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Query___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, filter)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Query_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_query_me[] = {
	- /* clang-format off */
	- PHP_ME(Query, __construct, ai_Query___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Query_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Query object handlers */
	-static zend_object_handlers php_phongo_handler_query;
	-
	-static void php_phongo_query_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_query_t* intern = Z_OBJ_QUERY(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->filter) {
	- bson_clear(&intern->filter);
	- }
	-
	- if (intern->opts) {
	- bson_clear(&intern->opts);
	- }
	-
	- if (intern->read_concern) {
	- mongoc_read_concern_destroy(intern->read_concern);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_query_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_query_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_query_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_query;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_query_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_query_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_QUERY(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init_size(&retval, 3);
	-
	- /* Avoid using PHONGO_TYPEMAP_NATIVE_ARRAY for decoding filter and opts
	- * documents so that users can differentiate BSON arrays and documents. */
	- if (intern->filter) {
	- zval zv;
	-
	- if (!php_phongo_bson_to_zval(bson_get_data(intern->filter), intern->filter->len, &zv)) {
	- zval_ptr_dtor(&zv);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "filter", &zv);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "filter");
	- }
	-
	- if (intern->opts) {
	- zval zv;
	-
	- if (!php_phongo_bson_to_zval(bson_get_data(intern->opts), intern->opts->len, &zv)) {
	- zval_ptr_dtor(&zv);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "options", &zv);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "options");
	- }
	-
	- if (intern->read_concern) {
	- zval read_concern;
	-
	- php_phongo_read_concern_to_zval(&read_concern, intern->read_concern);
	- ADD_ASSOC_ZVAL_EX(&retval, "readConcern", &read_concern);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "readConcern");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_query_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Query", php_phongo_query_me);
	- php_phongo_query_ce = zend_register_internal_class(&ce);
	- php_phongo_query_ce->create_object = php_phongo_query_create_object;
	- PHONGO_CE_FINAL(php_phongo_query_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_query_ce);
	-
	- memcpy(&php_phongo_handler_query, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_query.get_debug_info = php_phongo_query_get_debug_info;
	- php_phongo_handler_query.free_obj = php_phongo_query_free_object;
	- php_phongo_handler_query.offset = XtOffsetOf(php_phongo_query_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/ReadConcern.c b/mongodb-1.12.0/src/MongoDB/ReadConcern.c
	deleted file mode 100644
	index e0ed560d..00000000
	--- a/mongodb-1.12.0/src/MongoDB/ReadConcern.c
	+++ /dev/null
	@@ -1,411 +0,0 @@
	-/*
	- * Copyright 2015-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_readconcern_ce;
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_readconcern_init_from_hash(php_phongo_readconcern_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* level;
	-
	- intern->read_concern = mongoc_read_concern_new();
	-
	- if ((level = zend_hash_str_find(props, "level", sizeof("level") - 1))) {
	- if (Z_TYPE_P(level) == IS_STRING) {
	- mongoc_read_concern_set_level(intern->read_concern, Z_STRVAL_P(level));
	- return true;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"level\" string field", ZSTR_VAL(php_phongo_readconcern_ce->name));
	- goto failure;
	- }
	-
	- return true;
	-
	-failure:
	- mongoc_read_concern_destroy(intern->read_concern);
	- intern->read_concern = NULL;
	- return false;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ReadConcern::__construct([string $level])
	- Constructs a new ReadConcern */
	-static PHP_METHOD(ReadConcern, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readconcern_t* intern;
	- char* level = NULL;
	- size_t level_len = 0;
	-
	- intern = Z_READCONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|s!", &level, &level_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern->read_concern = mongoc_read_concern_new();
	-
	- if (level) {
	- mongoc_read_concern_set_level(intern->read_concern, level);
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\ReadConcern MongoDB\Driver\ReadConcern::__set_state(array $properties)
	-*/
	-static PHP_METHOD(ReadConcern, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readconcern_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_readconcern_ce);
	-
	- intern = Z_READCONCERN_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_readconcern_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string\|null MongoDB\Driver\ReadConcern::getLevel()
	- Returns the ReadConcern "level" option */
	-static PHP_METHOD(ReadConcern, getLevel)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readconcern_t* intern;
	- const char* level;
	-
	- intern = Z_READCONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- level = mongoc_read_concern_get_level(intern->read_concern);
	-
	- if (level) {
	- RETURN_STRING(level);
	- }
	-
	- RETURN_NULL();
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\ReadConcern::isDefault()
	- Returns whether the read concern has not been modified (i.e. constructed
	- without a level or from a Manager with no read concern URI options). */
	-static PHP_METHOD(ReadConcern, isDefault)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readconcern_t* intern;
	-
	- intern = Z_READCONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_BOOL(mongoc_read_concern_is_default(intern->read_concern));
	-} /* }}} */
	-
	-static HashTable* php_phongo_readconcern_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_readconcern_t* intern;
	- HashTable* props;
	- const char* level;
	-
	- intern = Z_OBJ_READCONCERN(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	-
	- if (!intern->read_concern) {
	- return props;
	- }
	-
	- level = mongoc_read_concern_get_level(intern->read_concern);
	-
	- if (level) {
	- zval z_level;
	-
	- ZVAL_STRING(&z_level, level);
	- zend_hash_str_update(props, "level", sizeof("level") - 1, &z_level);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ReadConcern::bsonSerialize()
	-*/
	-static PHP_METHOD(ReadConcern, bsonSerialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- ZVAL_ARR(return_value, php_phongo_readconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	- convert_to_object(return_value);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\ReadConcern::serialize()
	-*/
	-static PHP_METHOD(ReadConcern, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readconcern_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	- const char* level;
	-
	- intern = Z_READCONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!intern->read_concern) {
	- return;
	- }
	-
	- level = mongoc_read_concern_get_level(intern->read_concern);
	-
	- if (!level) {
	- RETURN_STRING("");
	- }
	-
	- array_init_size(&retval, 1);
	- ADD_ASSOC_STRING(&retval, "level", level);
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ReadConcern::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(ReadConcern, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readconcern_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_READCONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!serialized_len) {
	- return;
	- }
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_readconcern_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_readconcern_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ReadConcern::__serialize()
	-*/
	-static PHP_METHOD(ReadConcern, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_readconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ReadConcern::__unserialize(array $data)
	-*/
	-static PHP_METHOD(ReadConcern, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_readconcern_init_from_hash(Z_READCONCERN_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\ReadConcern function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern___construct, 0, 0, 0)
	- ZEND_ARG_INFO(0, level)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_readconcern_me[] = {
	- /* clang-format off */
	- PHP_ME(ReadConcern, __construct, ai_ReadConcern___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, __serialize, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, __set_state, ai_ReadConcern___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(ReadConcern, __unserialize, ai_ReadConcern___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, getLevel, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, isDefault, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, bsonSerialize, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, serialize, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadConcern, unserialize, ai_ReadConcern_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\ReadConcern object handlers */
	-static zend_object_handlers php_phongo_handler_readconcern;
	-
	-static void php_phongo_readconcern_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_readconcern_t* intern = Z_OBJ_READCONCERN(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-
	- if (intern->read_concern) {
	- mongoc_read_concern_destroy(intern->read_concern);
	- }
	-}
	-
	-static zend_object* php_phongo_readconcern_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_readconcern_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_readconcern_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_readconcern;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_readconcern_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_readconcern_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_readconcern_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_readconcern_get_properties_hash(object, false);
	-} /* }}} */
	-
	-void php_phongo_readconcern_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ReadConcern", php_phongo_readconcern_me);
	- php_phongo_readconcern_ce = zend_register_internal_class(&ce);
	- php_phongo_readconcern_ce->create_object = php_phongo_readconcern_create_object;
	- PHONGO_CE_FINAL(php_phongo_readconcern_ce);
	-
	- zend_class_implements(php_phongo_readconcern_ce, 1, php_phongo_serializable_ce);
	- zend_class_implements(php_phongo_readconcern_ce, 1, zend_ce_serializable);
	-
	- memcpy(&php_phongo_handler_readconcern, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_readconcern.get_debug_info = php_phongo_readconcern_get_debug_info;
	- php_phongo_handler_readconcern.get_properties = php_phongo_readconcern_get_properties;
	- php_phongo_handler_readconcern.free_obj = php_phongo_readconcern_free_object;
	- php_phongo_handler_readconcern.offset = XtOffsetOf(php_phongo_readconcern_t, std);
	-
	- zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("LOCAL"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_LOCAL));
	- zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("MAJORITY"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_MAJORITY));
	- zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("LINEARIZABLE"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_LINEARIZABLE));
	- zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("AVAILABLE"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_AVAILABLE));
	- zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("SNAPSHOT"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_SNAPSHOT));
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/ReadPreference.c b/mongodb-1.12.0/src/MongoDB/ReadPreference.c
	deleted file mode 100644
	index 7060b880..00000000
	--- a/mongodb-1.12.0/src/MongoDB/ReadPreference.c
	+++ /dev/null
	@@ -1,828 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_array_api.h"
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_readpreference_ce;
	-
	-#define PHONGO_READ_PRIMARY "primary"
	-#define PHONGO_READ_PRIMARY_PREFERRED "primaryPreferred"
	-#define PHONGO_READ_SECONDARY "secondary"
	-#define PHONGO_READ_SECONDARY_PREFERRED "secondaryPreferred"
	-#define PHONGO_READ_NEAREST "nearest"
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_readpreference_init_from_hash(php_phongo_readpreference_t* intern, HashTable* props) /* {{{ */
	-{
	- zval mode, tagSets, maxStalenessSeconds, hedge;
	-
	- if ((mode = zend_hash_str_find(props, "mode", sizeof("mode") - 1)) && Z_TYPE_P(mode) == IS_STRING) {
	- if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY_PREFERRED) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY_PREFERRED);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY_PREFERRED) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY_PREFERRED);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_NEAREST) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_NEAREST);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires specific values for \"mode\" string field", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- return false;
	- }
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"mode\" field to be string", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- return false;
	- }
	-
	- if ((tagSets = zend_hash_str_find(props, "tags", sizeof("tags") - 1))) {
	- ZVAL_DEREF(tagSets);
	- if (Z_TYPE_P(tagSets) == IS_ARRAY) {
	- bson_t* tags = bson_new();
	-
	- /* Separate tagSets as php_phongo_read_preference_prep_tagsets may
	- * modify these tags. */
	- SEPARATE_ZVAL_NOREF(tagSets);
	-
	- php_phongo_read_preference_prep_tagsets(tagSets);
	- php_phongo_zval_to_bson(tagSets, PHONGO_BSON_NONE, (bson_t*) tags, NULL);
	-
	- if (!php_phongo_read_preference_tags_are_valid(tags)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"tags\" array field to have zero or more documents", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- bson_destroy(tags);
	- goto failure;
	- }
	-
	- if (!bson_empty(tags) && (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"tags\" array field to not be present with \"primary\" mode", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- bson_destroy(tags);
	- goto failure;
	- }
	-
	- mongoc_read_prefs_set_tags(intern->read_preference, tags);
	- bson_destroy(tags);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"tags\" field to be array", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- goto failure;
	- }
	- }
	-
	- if ((maxStalenessSeconds = zend_hash_str_find(props, "maxStalenessSeconds", sizeof("maxStalenessSeconds") - 1))) {
	- if (Z_TYPE_P(maxStalenessSeconds) == IS_LONG) {
	- if (Z_LVAL_P(maxStalenessSeconds) != MONGOC_NO_MAX_STALENESS) {
	- if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" field to not be present with \"primary\" mode", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- goto failure;
	- }
	- if (Z_LVAL_P(maxStalenessSeconds) < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" integer field to be >= %d", ZSTR_VAL(php_phongo_readpreference_ce->name), MONGOC_SMALLEST_MAX_STALENESS_SECONDS);
	- goto failure;
	- }
	- if (Z_LVAL_P(maxStalenessSeconds) > INT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" integer field to be <= %" PRId32, ZSTR_VAL(php_phongo_readpreference_ce->name), INT32_MAX);
	- goto failure;
	- }
	- }
	-
	- mongoc_read_prefs_set_max_staleness_seconds(intern->read_preference, Z_LVAL_P(maxStalenessSeconds));
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" field to be integer", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- goto failure;
	- }
	- }
	-
	- if ((hedge = zend_hash_str_find(props, "hedge", sizeof("hedge") - 1))) {
	- if (Z_TYPE_P(hedge) == IS_ARRAY \|\| Z_TYPE_P(hedge) == IS_OBJECT) {
	- bson_t* hedge_doc = bson_new();
	-
	- if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"hedge\" field to not be present with \"primary\" mode", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- bson_destroy(hedge_doc);
	- goto failure;
	- }
	-
	- php_phongo_zval_to_bson(hedge, PHONGO_BSON_NONE, hedge_doc, NULL);
	-
	- if (EG(exception)) {
	- bson_destroy(hedge_doc);
	- goto failure;
	- }
	-
	- mongoc_read_prefs_set_hedge(intern->read_preference, hedge_doc);
	- bson_destroy(hedge_doc);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"hedge\" field to be an array or object", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- goto failure;
	- }
	- }
	-
	- if (!mongoc_read_prefs_is_valid(intern->read_preference)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference is not valid");
	- goto failure;
	- }
	-
	- return true;
	-
	-failure:
	- mongoc_read_prefs_destroy(intern->read_preference);
	- intern->read_preference = NULL;
	- return false;
	-} /* }}} */
	-
	-static const char* php_phongo_readpreference_get_mode_string(mongoc_read_mode_t mode) /* {{{ */
	-{
	- switch (mode) {
	- case MONGOC_READ_PRIMARY:
	- return PHONGO_READ_PRIMARY;
	- case MONGOC_READ_PRIMARY_PREFERRED:
	- return PHONGO_READ_PRIMARY_PREFERRED;
	- case MONGOC_READ_SECONDARY:
	- return PHONGO_READ_SECONDARY;
	- case MONGOC_READ_SECONDARY_PREFERRED:
	- return PHONGO_READ_SECONDARY_PREFERRED;
	- case MONGOC_READ_NEAREST:
	- return PHONGO_READ_NEAREST;
	- default:
	- /* Should never happen, but if it does: exception */
	- phongo_throw_exception(PHONGO_ERROR_LOGIC, "Mode '%d' should never have been passed to php_phongo_readpreference_get_mode_string, please file a bug report", mode);
	- break;
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ReadPreference::__construct(int\|string $mode[, array $tagSets = array()[, array $options = array()]])
	- Constructs a new ReadPreference */
	-static PHP_METHOD(ReadPreference, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- zval* mode;
	- zval* tagSets = NULL;
	- zval* options = NULL;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- /* Separate the tagSets zval, since we may end up modifying it in
	- * php_phongo_read_preference_prep_tagsets() below. */
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "z\|a/!a!", &mode, &tagSets, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (Z_TYPE_P(mode) == IS_LONG) {
	- switch (Z_LVAL_P(mode)) {
	- case MONGOC_READ_PRIMARY:
	- case MONGOC_READ_SECONDARY:
	- case MONGOC_READ_PRIMARY_PREFERRED:
	- case MONGOC_READ_SECONDARY_PREFERRED:
	- case MONGOC_READ_NEAREST:
	- intern->read_preference = mongoc_read_prefs_new(Z_LVAL_P(mode));
	- break;
	- default:
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid mode: %" PHONGO_LONG_FORMAT, Z_LVAL_P(mode));
	- return;
	- }
	- } else if (Z_TYPE_P(mode) == IS_STRING) {
	- if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY_PREFERRED) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY_PREFERRED);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY_PREFERRED) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY_PREFERRED);
	- } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_NEAREST) == 0) {
	- intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_NEAREST);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid mode: '%s'", Z_STRVAL_P(mode));
	- return;
	- }
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected mode to be integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(mode));
	- return;
	- }
	-
	- if (tagSets) {
	- bson_t* tags = bson_new();
	-
	- php_phongo_read_preference_prep_tagsets(tagSets);
	- php_phongo_zval_to_bson(tagSets, PHONGO_BSON_NONE, (bson_t*) tags, NULL);
	-
	- if (!php_phongo_read_preference_tags_are_valid(tags)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "tagSets must be an array of zero or more documents");
	- bson_destroy(tags);
	- return;
	- }
	-
	- if (!bson_empty(tags) && (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "tagSets may not be used with primary mode");
	- bson_destroy(tags);
	- return;
	- }
	-
	- mongoc_read_prefs_set_tags(intern->read_preference, tags);
	- bson_destroy(tags);
	- }
	-
	- if (options && php_array_exists(options, "maxStalenessSeconds")) {
	- zend_long maxStalenessSeconds = php_array_fetchc_long(options, "maxStalenessSeconds");
	-
	- if (maxStalenessSeconds != MONGOC_NO_MAX_STALENESS) {
	- if (maxStalenessSeconds < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be >= %d, %" PHONGO_LONG_FORMAT " given", MONGOC_SMALLEST_MAX_STALENESS_SECONDS, maxStalenessSeconds);
	- return;
	- }
	- if (maxStalenessSeconds > INT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be <= %" PRId32 ", %" PHONGO_LONG_FORMAT " given", INT32_MAX, maxStalenessSeconds);
	- return;
	- }
	- if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "maxStalenessSeconds may not be used with primary mode");
	- return;
	- }
	- }
	-
	- mongoc_read_prefs_set_max_staleness_seconds(intern->read_preference, maxStalenessSeconds);
	- }
	-
	- if (options && php_array_exists(options, "hedge")) {
	- zval* hedge = php_array_fetchc(options, "hedge");
	-
	- if (Z_TYPE_P(hedge) == IS_ARRAY \|\| Z_TYPE_P(hedge) == IS_OBJECT) {
	- bson_t* hedge_doc = bson_new();
	-
	- if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "hedge may not be used with primary mode");
	- bson_destroy(hedge_doc);
	- return;
	- }
	-
	- php_phongo_zval_to_bson(hedge, PHONGO_BSON_NONE, hedge_doc, NULL);
	-
	- if (EG(exception)) {
	- bson_destroy(hedge_doc);
	- return;
	- }
	-
	- mongoc_read_prefs_set_hedge(intern->read_preference, hedge_doc);
	- bson_destroy(hedge_doc);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"hedge\" field to be an array or object", ZSTR_VAL(php_phongo_readpreference_ce->name));
	- return;
	- }
	- }
	-
	- if (!mongoc_read_prefs_is_valid(intern->read_preference)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference is not valid");
	- return;
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\ReadPreference MongoDB\Driver\ReadPreference::__set_state(array $properties)
	-*/
	-static PHP_METHOD(ReadPreference, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- /* Separate the zval, since we may end up modifying the "tags" element in
	- * php_phongo_read_preference_prep_tagsets(), which is called from
	- * php_phongo_readpreference_init_from_hash. */
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a/", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_readpreference_ce);
	-
	- intern = Z_READPREFERENCE_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_readpreference_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto array\|null MongoDB\Driver\ReadPreference::getHedge()
	- Returns the ReadPreference hedge document */
	-static PHP_METHOD(ReadPreference, getHedge)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- const bson_t* hedge;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- hedge = mongoc_read_prefs_get_hedge(intern->read_preference);
	-
	- if (!bson_empty0(hedge)) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(hedge), hedge->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	- } else {
	- RETURN_NULL();
	- }
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\ReadPreference::getMaxStalenessSeconds()
	- Returns the ReadPreference maxStalenessSeconds value */
	-static PHP_METHOD(ReadPreference, getMaxStalenessSeconds)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference));
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\ReadPreference::getMode()
	- Returns the ReadPreference mode */
	-static PHP_METHOD(ReadPreference, getMode)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(mongoc_read_prefs_get_mode(intern->read_preference));
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\ReadPreference::getModeString()
	- Returns the ReadPreference mode as string */
	-static PHP_METHOD(ReadPreference, getModeString)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- const char* mode_string;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- mode_string = php_phongo_readpreference_get_mode_string(mongoc_read_prefs_get_mode(intern->read_preference));
	- if (!mode_string) {
	- /* Exception already thrown */
	- return;
	- }
	-
	- RETURN_STRING(mode_string);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ReadPreference::getTagSets()
	- Returns the ReadPreference tag sets */
	-static PHP_METHOD(ReadPreference, getTagSets)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- const bson_t* tags;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- tags = mongoc_read_prefs_get_tags(intern->read_preference);
	-
	- if (tags->len) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(tags), tags->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	- } else {
	- RETURN_NULL();
	- }
	-} /* }}} */
	-
	-static HashTable* php_phongo_readpreference_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	-{
	- php_phongo_readpreference_t* intern;
	- HashTable* props;
	- const char* modeString = NULL;
	- const bson_t* tags;
	- const bson_t* hedge;
	- mongoc_read_mode_t mode;
	-
	- intern = Z_OBJ_READPREFERENCE(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 4);
	-
	- if (!intern->read_preference) {
	- return props;
	- }
	-
	- tags = mongoc_read_prefs_get_tags(intern->read_preference);
	- mode = mongoc_read_prefs_get_mode(intern->read_preference);
	- modeString = php_phongo_readpreference_get_mode_string(mode);
	- hedge = mongoc_read_prefs_get_hedge(intern->read_preference);
	-
	- if (modeString) {
	- zval z_mode;
	-
	- ZVAL_STRING(&z_mode, modeString);
	- zend_hash_str_update(props, "mode", sizeof("mode") - 1, &z_mode);
	- }
	-
	- if (!bson_empty0(tags)) {
	- php_phongo_bson_state state;
	-
	- /* Use PHONGO_TYPEMAP_NATIVE_ARRAY for the root type since tags is an
	- * array; however, inner documents and arrays can use the default. */
	- PHONGO_BSON_INIT_STATE(state);
	- state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(tags), tags->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- goto done;
	- }
	-
	- zend_hash_str_update(props, "tags", sizeof("tags") - 1, &state.zchild);
	- }
	-
	- if (mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference) != MONGOC_NO_MAX_STALENESS) {
	- /* Note: valid values for maxStalesnessSeconds will not exceed the range
	- * of 32-bit signed integers, so conditional encoding is not necessary. */
	- long maxStalenessSeconds = mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference);
	- zval z_max_ss;
	-
	- ZVAL_LONG(&z_max_ss, maxStalenessSeconds);
	- zend_hash_str_update(props, "maxStalenessSeconds", sizeof("maxStalenessSeconds") - 1, &z_max_ss);
	- }
	-
	- if (!bson_empty0(hedge)) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(hedge), hedge->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- goto done;
	- }
	-
	- zend_hash_str_update(props, "hedge", sizeof("hedge") - 1, &state.zchild);
	- }
	-
	-done:
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ReadPreference::bsonSerialize()
	-*/
	-static PHP_METHOD(ReadPreference, bsonSerialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- ZVAL_ARR(return_value, php_phongo_readpreference_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	- convert_to_object(return_value);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\ReadPreference::serialize()
	-*/
	-static PHP_METHOD(ReadPreference, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	- const char* modeString = NULL;
	- const bson_t* tags;
	- const bson_t* hedge;
	- int64_t maxStalenessSeconds;
	- mongoc_read_mode_t mode;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!intern->read_preference) {
	- return;
	- }
	-
	- tags = mongoc_read_prefs_get_tags(intern->read_preference);
	- mode = mongoc_read_prefs_get_mode(intern->read_preference);
	- modeString = php_phongo_readpreference_get_mode_string(mode);
	- maxStalenessSeconds = mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference);
	- hedge = mongoc_read_prefs_get_hedge(intern->read_preference);
	-
	- array_init_size(&retval, 4);
	-
	- if (modeString) {
	- ADD_ASSOC_STRING(&retval, "mode", modeString);
	- }
	-
	- if (!bson_empty0(tags)) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(tags), tags->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "tags", &state.zchild);
	- }
	-
	- if (maxStalenessSeconds != MONGOC_NO_MAX_STALENESS) {
	- ADD_ASSOC_LONG_EX(&retval, "maxStalenessSeconds", maxStalenessSeconds);
	- }
	-
	- if (!bson_empty0(hedge)) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(hedge), hedge->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "hedge", &state.zchild);
	- }
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ReadPreference::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(ReadPreference, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_readpreference_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_READPREFERENCE_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!serialized_len) {
	- return;
	- }
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_readpreference_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_readpreference_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ReadPreference::__serialize()
	-*/
	-static PHP_METHOD(ReadPreference, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_readpreference_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ReadPreference::__unserialize(array $data)
	-*/
	-static PHP_METHOD(ReadPreference, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_readpreference_init_from_hash(Z_READPREFERENCE_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\ReadPreference function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, mode)
	- ZEND_ARG_ARRAY_INFO(0, tagSets, 1)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_readpreference_me[] = {
	- /* clang-format off */
	- PHP_ME(ReadPreference, __construct, ai_ReadPreference___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, __serialize, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, __set_state, ai_ReadPreference___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(ReadPreference, __unserialize, ai_ReadPreference___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, getHedge, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, getMaxStalenessSeconds, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, getMode, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, getModeString, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, getTagSets, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, bsonSerialize, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, serialize, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ReadPreference, unserialize, ai_ReadPreference_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\ReadPreference object handlers */
	-static zend_object_handlers php_phongo_handler_readpreference;
	-
	-static void php_phongo_readpreference_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_readpreference_t* intern = Z_OBJ_READPREFERENCE(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-
	- if (intern->read_preference) {
	- mongoc_read_prefs_destroy(intern->read_preference);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_readpreference_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_readpreference_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_readpreference_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_readpreference;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_readpreference_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_readpreference_get_properties_hash(object, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_readpreference_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_readpreference_get_properties_hash(object, false);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_readpreference_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ReadPreference", php_phongo_readpreference_me);
	- php_phongo_readpreference_ce = zend_register_internal_class(&ce);
	- php_phongo_readpreference_ce->create_object = php_phongo_readpreference_create_object;
	- PHONGO_CE_FINAL(php_phongo_readpreference_ce);
	-
	- zend_class_implements(php_phongo_readpreference_ce, 1, php_phongo_serializable_ce);
	- zend_class_implements(php_phongo_readpreference_ce, 1, zend_ce_serializable);
	-
	- memcpy(&php_phongo_handler_readpreference, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_readpreference.get_debug_info = php_phongo_readpreference_get_debug_info;
	- php_phongo_handler_readpreference.get_properties = php_phongo_readpreference_get_properties;
	- php_phongo_handler_readpreference.free_obj = php_phongo_readpreference_free_object;
	- php_phongo_handler_readpreference.offset = XtOffsetOf(php_phongo_readpreference_t, std);
	-
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_PRIMARY"), MONGOC_READ_PRIMARY);
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_PRIMARY_PREFERRED"), MONGOC_READ_PRIMARY_PREFERRED);
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_SECONDARY"), MONGOC_READ_SECONDARY);
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_SECONDARY_PREFERRED"), MONGOC_READ_SECONDARY_PREFERRED);
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_NEAREST"), MONGOC_READ_NEAREST);
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("NO_MAX_STALENESS"), MONGOC_NO_MAX_STALENESS);
	- zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("SMALLEST_MAX_STALENESS_SECONDS"), MONGOC_SMALLEST_MAX_STALENESS_SECONDS);
	-
	- zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("PRIMARY"), PHONGO_READ_PRIMARY);
	- zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("PRIMARY_PREFERRED"), PHONGO_READ_PRIMARY_PREFERRED);
	- zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("SECONDARY"), PHONGO_READ_SECONDARY);
	- zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("SECONDARY_PREFERRED"), PHONGO_READ_SECONDARY_PREFERRED);
	- zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("NEAREST"), PHONGO_READ_NEAREST);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Server.c b/mongodb-1.12.0/src/MongoDB/Server.c
	deleted file mode 100644
	index 4bc3ab1e..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Server.c
	+++ /dev/null
	@@ -1,740 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-zend_class_entry* php_phongo_server_ce;
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	- Executes a Command on this Server */
	-static PHP_METHOD(Server, executeCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	- bool free_options = false;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	-
	- /* If the Server was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- phongo_execute_command(&intern->manager, PHONGO_COMMAND_RAW, db, command, options, intern->server_id, return_value);
	-
	- if (free_options) {
	- php_phongo_prep_legacy_option_free(options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeReadCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	- Executes a ReadCommand on this Server */
	-static PHP_METHOD(Server, executeReadCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- /* If the Server was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- phongo_execute_command(&intern->manager, PHONGO_COMMAND_READ, db, command, options, intern->server_id, return_value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	- Executes a WriteCommand on this Server */
	-static PHP_METHOD(Server, executeWriteCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- /* If the Server was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated. and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- phongo_execute_command(&intern->manager, PHONGO_COMMAND_WRITE, db, command, options, intern->server_id, return_value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeReadWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	- Executes a ReadWriteCommand on this Server */
	-static PHP_METHOD(Server, executeReadWriteCommand)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- char* db;
	- size_t db_len;
	- zval* command;
	- zval* options = NULL;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- /* If the Server was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- phongo_execute_command(&intern->manager, PHONGO_COMMAND_READ_WRITE, db, command, options, intern->server_id, return_value);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeQuery(string $namespace, MongoDB\Driver\Query $query[, array $options = null]))
	- Executes a Query on this Server */
	-static PHP_METHOD(Server, executeQuery)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- char* namespace;
	- size_t namespace_len;
	- zval* query;
	- zval* options = NULL;
	- bool free_options = false;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &query, php_phongo_query_ce, &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	-
	- /* If the Server was created in a different process, reset the client so
	- * that cursors created by this process can be differentiated and its
	- * session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- phongo_execute_query(&intern->manager, namespace, query, options, intern->server_id, return_value);
	-
	- if (free_options) {
	- php_phongo_prep_legacy_option_free(options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\WriteResult MongoDB\Driver\Server::executeBulkWrite(string $namespace, MongoDB\Driver\BulkWrite $zbulk[, array $options = null])
	- Executes a BulkWrite (i.e. any number of insert, update, and delete ops) on
	- this Server */
	-static PHP_METHOD(Server, executeBulkWrite)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- char* namespace;
	- size_t namespace_len;
	- zval* zbulk;
	- php_phongo_bulkwrite_t* bulk;
	- zval* options = NULL;
	- bool free_options = false;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &zbulk, php_phongo_bulkwrite_ce, &options, php_phongo_writeconcern_ce) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- bulk = Z_BULKWRITE_OBJ_P(zbulk);
	-
	- options = php_phongo_prep_legacy_option(options, "writeConcern", &free_options);
	-
	- /* If the Server was created in a different process, reset the client so
	- * that its session pool is cleared. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- phongo_execute_bulk_write(&intern->manager, namespace, bulk, options, intern->server_id, return_value);
	-
	- if (free_options) {
	- php_phongo_prep_legacy_option_free(options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\Server::getHost()
	- Returns the hostname for this Server */
	-static PHP_METHOD(Server, getHost)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- RETVAL_STRING(mongoc_server_description_host(sd)->host);
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Server::getTags()
	- Returns the currently configured tags for this Server */
	-static PHP_METHOD(Server, getTags)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- const bson_t* hello_response = mongoc_server_description_hello_response(sd);
	- bson_iter_t iter;
	-
	- if (bson_iter_init_find(&iter, hello_response, "tags") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	- const uint8_t* bytes;
	- uint32_t len;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	- bson_iter_document(&iter, &len, &bytes);
	-
	- if (!php_phongo_bson_to_zval_ex(bytes, len, &state)) {
	- /* Exception should already have been thrown */
	- zval_ptr_dtor(&state.zchild);
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- mongoc_server_description_destroy(sd);
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	- }
	-
	- array_init(return_value);
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\Server::getInfo()
	- Returns the last hello response for this Server or, in the case of a load
	- balancer, the initial handshake response. */
	-static PHP_METHOD(Server, getInfo)
	-{
	- php_phongo_server_t* intern;
	- mongoc_client_t* client;
	- mongoc_server_description_t* sd;
	- mongoc_server_description_t* handshake_sd = NULL;
	- const bson_t* hello_response;
	- php_phongo_bson_state state;
	-
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	- client = Z_MANAGER_OBJ_P(&intern->manager)->client;
	-
	- if (!(sd = mongoc_client_get_server_description(client, intern->server_id))) {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	- return;
	- }
	-
	- hello_response = mongoc_server_description_hello_response(sd);
	-
	- /* If the server description is a load balancer, its hello_response will be
	- * empty. Instead, report the hello_response from the handshake description
	- * (i.e. backing server). */
	- if (!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_LOAD_BALANCER].name)) {
	- bson_error_t error = { 0 };
	-
	- if (!(handshake_sd = mongoc_client_get_handshake_description(client, intern->server_id, NULL, &error))) {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get handshake server description: %s", error.message);
	- goto cleanup;
	- }
	-
	- hello_response = mongoc_server_description_hello_response(handshake_sd);
	- }
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(hello_response), hello_response->len, &state)) {
	- /* Exception should already have been thrown */
	- zval_ptr_dtor(&state.zchild);
	- goto cleanup;
	- }
	-
	- RETVAL_ZVAL(&state.zchild, 0, 1);
	-
	-cleanup:
	- if (handshake_sd) {
	- mongoc_server_description_destroy(handshake_sd);
	- }
	-
	- mongoc_server_description_destroy(sd);
	-} /* }}} */
	-
	-/* {{{ proto integer\|null MongoDB\Driver\Server::getLatency()
	- Returns the measured latency (i.e. round trip time in milliseconds) for
	- this Server, or null if unset. */
	-static PHP_METHOD(Server, getLatency)
	-{
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- if (!(sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	- return;
	- }
	-
	- /* TODO: Use MONGOC_RTT_UNSET once it is added to libmongoc's public API (CDRIVER-4176) */
	- if (mongoc_server_description_round_trip_time(sd) == -1) {
	- RETVAL_NULL();
	- } else {
	- RETVAL_LONG((zend_long) mongoc_server_description_round_trip_time(sd));
	- }
	-
	- mongoc_server_description_destroy(sd);
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\Server::getPort()
	- Returns the port for this Server */
	-static PHP_METHOD(Server, getPort)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- RETVAL_LONG(mongoc_server_description_host(sd)->port);
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\Server::getType()
	- Returns the node type of this Server */
	-static PHP_METHOD(Server, getType)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- RETVAL_LONG(php_phongo_server_description_type(sd));
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\Server::isPrimary()
	- Returns whether this Server is a primary member of a replica set */
	-static PHP_METHOD(Server, isPrimary)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- RETVAL_BOOL(!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_PRIMARY].name));
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\Server::isSecondary()
	- Returns whether this Server is a secondary member of a replica set */
	-static PHP_METHOD(Server, isSecondary)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- RETVAL_BOOL(!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_SECONDARY].name));
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\Server::isArbiter()
	- Returns whether this Server is an arbiter member of a replica set */
	-static PHP_METHOD(Server, isArbiter)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- RETVAL_BOOL(!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_ARBITER].name));
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\Server::isHidden()
	- Returns whether this Server is a hidden member of a replica set */
	-static PHP_METHOD(Server, isHidden)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- bson_iter_t iter;
	-
	- RETVAL_BOOL(bson_iter_init_find_case(&iter, mongoc_server_description_hello_response(sd), "hidden") && bson_iter_as_bool(&iter));
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\Server::isPassive()
	- Returns whether this Server is a passive member of a replica set */
	-static PHP_METHOD(Server, isPassive)
	-{
	- zend_error_handling error_handling;
	- php_phongo_server_t* intern;
	- mongoc_server_description_t* sd;
	-
	- intern = Z_SERVER_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	- bson_iter_t iter;
	-
	- RETVAL_BOOL(bson_iter_init_find_case(&iter, mongoc_server_description_hello_response(sd), "passive") && bson_iter_as_bool(&iter));
	- mongoc_server_description_destroy(sd);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Server function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeCommand, 0, 0, 2)
	- ZEND_ARG_INFO(0, db)
	- ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	- ZEND_ARG_INFO(0, options)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeRWCommand, 0, 0, 2)
	- ZEND_ARG_INFO(0, db)
	- ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	- ZEND_ARG_ARRAY_INFO(0, options, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeQuery, 0, 0, 2)
	- ZEND_ARG_INFO(0, namespace)
	- ZEND_ARG_OBJ_INFO(0, zquery, MongoDB\\Driver\\Query, 0)
	- ZEND_ARG_INFO(0, options)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeBulkWrite, 0, 0, 2)
	- ZEND_ARG_INFO(0, namespace)
	- ZEND_ARG_OBJ_INFO(0, zbulk, MongoDB\\Driver\\BulkWrite, 0)
	- ZEND_ARG_INFO(0, options)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Server_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_server_me[] = {
	- /* clang-format off */
	- PHP_ME(Server, executeCommand, ai_Server_executeCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, executeReadCommand, ai_Server_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, executeWriteCommand, ai_Server_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, executeReadWriteCommand, ai_Server_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, executeQuery, ai_Server_executeQuery, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, executeBulkWrite, ai_Server_executeBulkWrite, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, getHost, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, getTags, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, getInfo, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, getLatency, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, getPort, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, getType, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, isPrimary, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, isSecondary, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, isArbiter, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, isHidden, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Server, isPassive, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Server_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Server object handlers */
	-static zend_object_handlers php_phongo_handler_server;
	-
	-static int php_phongo_server_compare_objects(zval* o1, zval* o2) /* {{{ */
	-{
	- php_phongo_server_t* intern1;
	- php_phongo_server_t* intern2;
	- mongoc_server_description_t sd1, sd2;
	- int retval = 0;
	-
	- ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	-
	- intern1 = Z_SERVER_OBJ_P(o1);
	- intern2 = Z_SERVER_OBJ_P(o2);
	-
	- sd1 = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern1->manager)->client, intern1->server_id);
	- sd2 = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern2->manager)->client, intern2->server_id);
	-
	- if (sd1 && sd2) {
	- retval = strcasecmp(mongoc_server_description_host(sd1)->host_and_port, mongoc_server_description_host(sd2)->host_and_port);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description(s)");
	- }
	-
	- if (sd1) {
	- mongoc_server_description_destroy(sd1);
	- }
	-
	- if (sd2) {
	- mongoc_server_description_destroy(sd2);
	- }
	-
	- return retval;
	-} /* }}} */
	-
	-static void php_phongo_server_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_server_t* intern = Z_OBJ_SERVER(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_server_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_server_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_server_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- PHONGO_SET_CREATED_BY_PID(intern);
	-
	- intern->std.handlers = &php_phongo_handler_server;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_server_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_server_t* intern = NULL;
	- zval retval = ZVAL_STATIC_INIT;
	- mongoc_client_t* client;
	- mongoc_server_description_t* sd;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_SERVER(PHONGO_COMPAT_GET_OBJ(object));
	- client = Z_MANAGER_OBJ_P(&intern->manager)->client;
	-
	- if (!(sd = mongoc_client_get_server_description(client, intern->server_id))) {
	- phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	- return NULL;
	- }
	-
	- php_phongo_server_to_zval(&retval, client, sd);
	- mongoc_server_description_destroy(sd);
	-
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_server_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Server", php_phongo_server_me);
	- php_phongo_server_ce = zend_register_internal_class(&ce);
	- php_phongo_server_ce->create_object = php_phongo_server_create_object;
	- PHONGO_CE_FINAL(php_phongo_server_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_server_ce);
	-
	- memcpy(&php_phongo_handler_server, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(server);
	- php_phongo_handler_server.get_debug_info = php_phongo_server_get_debug_info;
	- php_phongo_handler_server.free_obj = php_phongo_server_free_object;
	- php_phongo_handler_server.offset = XtOffsetOf(php_phongo_server_t, std);
	-
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_UNKNOWN"), PHONGO_SERVER_UNKNOWN);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_STANDALONE"), PHONGO_SERVER_STANDALONE);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_MONGOS"), PHONGO_SERVER_MONGOS);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_POSSIBLE_PRIMARY"), PHONGO_SERVER_POSSIBLE_PRIMARY);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_PRIMARY"), PHONGO_SERVER_RS_PRIMARY);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_SECONDARY"), PHONGO_SERVER_RS_SECONDARY);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_ARBITER"), PHONGO_SERVER_RS_ARBITER);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_OTHER"), PHONGO_SERVER_RS_OTHER);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_GHOST"), PHONGO_SERVER_RS_GHOST);
	- zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_LOAD_BALANCER"), PHONGO_SERVER_LOAD_BALANCER);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/ServerApi.c b/mongodb-1.12.0/src/MongoDB/ServerApi.c
	deleted file mode 100644
	index 6357cabc..00000000
	--- a/mongodb-1.12.0/src/MongoDB/ServerApi.c
	+++ /dev/null
	@@ -1,403 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_serverapi_ce;
	-
	-static bool php_phongo_serverapi_create_libmongoc_object(mongoc_server_api_t** server_api, zend_string* version, bool strict_set, bool strict, bool deprecation_errors_set, bool deprecation_errors) /* {{{ */
	-{
	- mongoc_server_api_version_t server_api_version;
	-
	- if (!mongoc_server_api_version_from_string(ZSTR_VAL(version), &server_api_version)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Server API version \"%s\" is not supported in this driver version", ZSTR_VAL(version));
	- return false;
	- }
	-
	- if (*server_api) {
	- phongo_throw_exception(PHONGO_ERROR_LOGIC, "Server API object already initialized. Please file a bug report as this should not happen.");
	- return false;
	- }
	-
	- *server_api = mongoc_server_api_new(server_api_version);
	-
	- if (strict_set) {
	- mongoc_server_api_strict(*server_api, strict);
	- }
	-
	- if (deprecation_errors_set) {
	- mongoc_server_api_deprecation_errors(*server_api, deprecation_errors);
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_serverapi_init_from_hash(php_phongo_serverapi_t* intern, HashTable* props) /* {{{ */
	-{
	- zval* version;
	- zval* strict;
	- zval* deprecation_errors;
	-
	- version = zend_hash_str_find(props, ZEND_STRL("version"));
	- if (!version \|\| Z_TYPE_P(version) != IS_STRING) {
	- // Exception
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"version\" field to be string", ZSTR_VAL(php_phongo_serverapi_ce->name));
	- return false;
	- }
	-
	- if ((strict = zend_hash_str_find(props, ZEND_STRL("strict"))) && !ZVAL_IS_NULL(strict)) {
	- if (Z_TYPE_P(strict) != IS_TRUE && Z_TYPE_P(strict) != IS_FALSE) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"strict\" field to be bool or null", ZSTR_VAL(php_phongo_serverapi_ce->name));
	- return false;
	- }
	- }
	-
	- if ((deprecation_errors = zend_hash_str_find(props, ZEND_STRL("deprecationErrors"))) && !ZVAL_IS_NULL(deprecation_errors)) {
	- if (Z_TYPE_P(deprecation_errors) != IS_TRUE && Z_TYPE_P(deprecation_errors) != IS_FALSE) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"deprecationErrors\" field to be bool or null", ZSTR_VAL(php_phongo_serverapi_ce->name));
	- return false;
	- }
	- }
	-
	- return php_phongo_serverapi_create_libmongoc_object(
	- &intern->server_api,
	- Z_STR_P(version),
	- strict && !ZVAL_IS_NULL(strict),
	- strict && zval_is_true(strict),
	- deprecation_errors && !ZVAL_IS_NULL(deprecation_errors),
	- deprecation_errors && zval_is_true(deprecation_errors));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ServerApi::__construct(string $version, [?bool $strict], [?bool $deprecationErrors])
	- Constructs a new ServerApi object */
	-static PHP_METHOD(ServerApi, __construct)
	-{
	- php_phongo_serverapi_t* intern;
	- zend_string* version;
	- zend_bool strict = 0;
	- zend_bool strict_null = 1;
	- zend_bool deprecation_errors = 0;
	- zend_bool deprecation_errors_null = 1;
	-
	- intern = Z_SERVERAPI_OBJ_P(getThis());
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 3)
	- Z_PARAM_STR(version)
	- Z_PARAM_OPTIONAL
	- Z_PARAM_BOOL_EX(strict, strict_null, 1, 0)
	- Z_PARAM_BOOL_EX(deprecation_errors, deprecation_errors_null, 1, 0)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- // Will throw on failure
	- php_phongo_serverapi_create_libmongoc_object(
	- &intern->server_api,
	- version,
	- (bool) !strict_null,
	- (bool) strict,
	- (bool) !deprecation_errors_null,
	- (bool) deprecation_errors);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\ServerApi MongoDB\Driver\ServerApi::__set_state(array $properties)
	-*/
	-static PHP_METHOD(ServerApi, __set_state)
	-{
	- php_phongo_serverapi_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(array)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- object_init_ex(return_value, php_phongo_serverapi_ce);
	-
	- intern = Z_SERVERAPI_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_serverapi_init_from_hash(intern, props);
	-} /* }}} */
	-
	-static HashTable* php_phongo_serverapi_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp, bool include_null) /* {{{ */
	-{
	- php_phongo_serverapi_t* intern;
	- HashTable* props;
	- zval version, strict, deprecation_errors;
	- bool is_set;
	-
	- intern = Z_OBJ_SERVERAPI(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	-
	- ZVAL_STRING(&version, mongoc_server_api_version_to_string(mongoc_server_api_get_version(intern->server_api)));
	- zend_hash_str_add(props, "version", sizeof("version") - 1, &version);
	-
	- is_set = mongoc_optional_is_set(mongoc_server_api_get_strict(intern->server_api));
	- if (is_set) {
	- ZVAL_BOOL(&strict, mongoc_optional_value(mongoc_server_api_get_strict(intern->server_api)));
	- } else {
	- ZVAL_NULL(&strict);
	- }
	-
	- if (include_null \|\| is_set) {
	- zend_hash_str_add(props, "strict", sizeof("strict") - 1, &strict);
	- }
	-
	- is_set = mongoc_optional_is_set(mongoc_server_api_get_deprecation_errors(intern->server_api));
	- if (is_set) {
	- ZVAL_BOOL(&deprecation_errors, mongoc_optional_value(mongoc_server_api_get_deprecation_errors(intern->server_api)));
	- } else {
	- ZVAL_NULL(&deprecation_errors);
	- }
	-
	- if (include_null \|\| is_set) {
	- zend_hash_str_add(props, "deprecationErrors", sizeof("deprecationErrors") - 1, &deprecation_errors);
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ServerApi::bsonSerialize()
	-*/
	-static PHP_METHOD(ServerApi, bsonSerialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- ZVAL_ARR(return_value, php_phongo_serverapi_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, false));
	- convert_to_object(return_value);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\ServerApi::serialize()
	-*/
	-static PHP_METHOD(ServerApi, serialize)
	-{
	- php_phongo_serverapi_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	-
	- intern = Z_SERVERAPI_OBJ_P(getThis());
	-
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- array_init_size(&retval, 3);
	-
	- ADD_ASSOC_STRING(&retval, "version", mongoc_server_api_version_to_string(mongoc_server_api_get_version(intern->server_api)));
	-
	- if (mongoc_optional_is_set(mongoc_server_api_get_strict(intern->server_api))) {
	- ADD_ASSOC_BOOL_EX(&retval, "strict", mongoc_optional_value(mongoc_server_api_get_strict(intern->server_api)));
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "strict");
	- }
	-
	- if (mongoc_optional_is_set(mongoc_server_api_get_deprecation_errors(intern->server_api))) {
	- ADD_ASSOC_BOOL_EX(&retval, "deprecationErrors", mongoc_optional_value(mongoc_server_api_get_deprecation_errors(intern->server_api)));
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "deprecationErrors");
	- }
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ServerApi::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(ServerApi, unserialize)
	-{
	- php_phongo_serverapi_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_SERVERAPI_OBJ_P(getThis());
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_STRING(serialized, serialized_len)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- if (!serialized_len) {
	- return;
	- }
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_serverapi_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_serverapi_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\ServerApi::__serialize()
	-*/
	-static PHP_METHOD(ServerApi, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_serverapi_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\ServerApi::__unserialize(array $data)
	-*/
	-static PHP_METHOD(ServerApi, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_serverapi_init_from_hash(Z_SERVERAPI_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\ServerApi function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi___construct, 0, 0, 1)
	- ZEND_ARG_TYPE_INFO(0, version, IS_STRING, 0)
	- ZEND_ARG_TYPE_INFO(0, strict, _IS_BOOL, 1)
	- ZEND_ARG_TYPE_INFO(0, deprecationErrors, _IS_BOOL, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi_unserialize, 0, 0, 1)
	-#if PHP_VERSION_ID >= 80000
	- ZEND_ARG_TYPE_INFO(0, serialized, IS_STRING, 0)
	-#else
	- ZEND_ARG_INFO(0, serialized)
	-#endif
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_serverapi_me[] = {
	- /* clang-format off */
	- PHP_ME(ServerApi, __construct, ai_ServerApi___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ServerApi, __serialize, ai_ServerApi_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ServerApi, __set_state, ai_ServerApi___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(ServerApi, __unserialize, ai_ServerApi___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ServerApi, bsonSerialize, ai_ServerApi_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ServerApi, serialize, ai_ServerApi_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(ServerApi, unserialize, ai_ServerApi_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\ServerApi object handlers */
	-static zend_object_handlers php_phongo_handler_serverapi;
	-
	-static void php_phongo_serverapi_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_serverapi_t* intern = Z_OBJ_SERVERAPI(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-
	- if (intern->server_api) {
	- mongoc_server_api_destroy(intern->server_api);
	- }
	-}
	-
	-static zend_object* php_phongo_serverapi_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_serverapi_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_serverapi_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_serverapi;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_serverapi_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_serverapi_get_properties_hash(object, true, true);
	-} /* }}} */
	-
	-static HashTable* php_phongo_serverapi_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_serverapi_get_properties_hash(object, false, true);
	-} /* }}} */
	-
	-void php_phongo_serverapi_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ServerApi", php_phongo_serverapi_me);
	- php_phongo_serverapi_ce = zend_register_internal_class(&ce);
	- php_phongo_serverapi_ce->create_object = php_phongo_serverapi_create_object;
	- PHONGO_CE_FINAL(php_phongo_serverapi_ce);
	-
	- zend_class_implements(php_phongo_serverapi_ce, 1, php_phongo_serializable_ce);
	- zend_class_implements(php_phongo_serverapi_ce, 1, zend_ce_serializable);
	-
	- memcpy(&php_phongo_handler_serverapi, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_serverapi.get_debug_info = php_phongo_serverapi_get_debug_info;
	- php_phongo_handler_serverapi.get_properties = php_phongo_serverapi_get_properties;
	- php_phongo_handler_serverapi.free_obj = php_phongo_serverapi_free_object;
	- php_phongo_handler_serverapi.offset = XtOffsetOf(php_phongo_serverapi_t, std);
	-
	- zend_declare_class_constant_stringl(php_phongo_serverapi_ce, ZEND_STRL("V1"), ZEND_STRL("1"));
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Session.c b/mongodb-1.12.0/src/MongoDB/Session.c
	deleted file mode 100644
	index 4144bb19..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Session.c
	+++ /dev/null
	@@ -1,843 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-#include "php_array_api.h"
	-#include "Session.h"
	-
	-zend_class_entry* php_phongo_session_ce;
	-
	-#define PHONGO_TRANSACTION_NONE "none"
	-#define PHONGO_TRANSACTION_STARTING "starting"
	-#define PHONGO_TRANSACTION_IN_PROGRESS "in_progress"
	-#define PHONGO_TRANSACTION_COMMITTED "committed"
	-#define PHONGO_TRANSACTION_ABORTED "aborted"
	-
	-#define SESSION_CHECK_LIVELINESS(i, m) \
	- if (!(i)->client_session) { \
	- phongo_throw_exception( \
	- PHONGO_ERROR_LOGIC, \
	- "Cannot call '%s', as the session has already been ended.", \
	- (m)); \
	- return; \
	- }
	-
	-static bool php_phongo_session_get_timestamp_parts(zval* obj, uint32_t* timestamp, uint32_t* increment)
	-{
	- bool retval = false;
	- zval ztimestamp = ZVAL_STATIC_INIT;
	- zval zincrement = ZVAL_STATIC_INIT;
	-
	- zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(obj), NULL, NULL, "getTimestamp", &ztimestamp);
	-
	- if (Z_ISUNDEF(ztimestamp) \|\| EG(exception)) {
	- goto cleanup;
	- }
	-
	- zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(obj), NULL, NULL, "getIncrement", &zincrement);
	-
	- if (Z_ISUNDEF(zincrement) \|\| EG(exception)) {
	- goto cleanup;
	- }
	-
	- *timestamp = Z_LVAL(ztimestamp);
	- *increment = Z_LVAL(zincrement);
	-
	- retval = true;
	-
	-cleanup:
	- if (!Z_ISUNDEF(ztimestamp)) {
	- zval_ptr_dtor(&ztimestamp);
	- }
	-
	- if (!Z_ISUNDEF(zincrement)) {
	- zval_ptr_dtor(&zincrement);
	- }
	-
	- return retval;
	-}
	-
	-static const char* php_phongo_get_transaction_state_string(mongoc_transaction_state_t state)
	-{
	- switch (state) {
	- case MONGOC_TRANSACTION_NONE:
	- return PHONGO_TRANSACTION_NONE;
	- case MONGOC_TRANSACTION_STARTING:
	- return PHONGO_TRANSACTION_STARTING;
	- case MONGOC_TRANSACTION_IN_PROGRESS:
	- return PHONGO_TRANSACTION_IN_PROGRESS;
	- case MONGOC_TRANSACTION_COMMITTED:
	- return PHONGO_TRANSACTION_COMMITTED;
	- case MONGOC_TRANSACTION_ABORTED:
	- return PHONGO_TRANSACTION_ABORTED;
	- default:
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid transaction state %d given", (int) state);
	- return NULL;
	- }
	-}
	-
	-static void php_phongo_transaction_options_to_zval(mongoc_client_session_t* cs, zval* retval)
	-{
	- mongoc_transaction_opt_t* opts;
	- int64_t max_commit_time_ms;
	- const mongoc_read_concern_t* read_concern;
	- const mongoc_read_prefs_t* read_preference;
	- const mongoc_write_concern_t* write_concern;
	-
	- if (!cs) {
	- ZVAL_NULL(retval);
	- return;
	- }
	-
	- opts = mongoc_session_opts_get_transaction_opts(cs);
	-
	- if (!opts) {
	- ZVAL_NULL(retval);
	- return;
	- }
	-
	- max_commit_time_ms = mongoc_transaction_opts_get_max_commit_time_ms(opts);
	- read_concern = mongoc_transaction_opts_get_read_concern(opts);
	- read_preference = mongoc_transaction_opts_get_read_prefs(opts);
	- write_concern = mongoc_transaction_opts_get_write_concern(opts);
	-
	- array_init_size(retval, 4);
	-
	- if (max_commit_time_ms) {
	- ADD_ASSOC_LONG_EX(retval, "maxCommitTimeMS", max_commit_time_ms);
	- }
	-
	- if (!mongoc_read_concern_is_default(read_concern)) {
	- zval zread_concern;
	-
	- phongo_readconcern_init(&zread_concern, read_concern);
	- ADD_ASSOC_ZVAL_EX(retval, "readConcern", &zread_concern);
	- }
	-
	- if (read_preference) {
	- zval zread_preference;
	-
	- phongo_readpreference_init(&zread_preference, read_preference);
	- ADD_ASSOC_ZVAL_EX(retval, "readPreference", &zread_preference);
	- }
	-
	- if (!mongoc_write_concern_is_default(write_concern)) {
	- zval zwrite_concern;
	-
	- phongo_writeconcern_init(&zwrite_concern, write_concern);
	- ADD_ASSOC_ZVAL_EX(retval, "writeConcern", &zwrite_concern);
	- }
	-
	- mongoc_transaction_opts_destroy(opts);
	-}
	-
	-/* {{{ proto void MongoDB\Driver\Session::advanceClusterTime(array\|object $clusterTime)
	- Advances the cluster time for this Session */
	-static PHP_METHOD(Session, advanceClusterTime)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- zval* zcluster_time;
	- bson_t cluster_time = BSON_INITIALIZER;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "advanceClusterTime")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "A", &zcluster_time) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_zval_to_bson(zcluster_time, PHONGO_BSON_NONE, &cluster_time, NULL);
	-
	- /* An exception may be thrown during BSON conversion */
	- if (EG(exception)) {
	- goto cleanup;
	- }
	-
	- mongoc_client_session_advance_cluster_time(intern->client_session, &cluster_time);
	-
	-cleanup:
	- bson_destroy(&cluster_time);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Session::advanceOperationTime(MongoDB\BSON\TimestampInterface $timestamp)
	- Advances the operation time for this Session */
	-static PHP_METHOD(Session, advanceOperationTime)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- zval* ztimestamp;
	- uint32_t timestamp = 0;
	- uint32_t increment = 0;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "advanceOperationTime")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &ztimestamp, php_phongo_timestamp_interface_ce) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!php_phongo_session_get_timestamp_parts(ztimestamp, &timestamp, &increment)) {
	- return;
	- }
	-
	- mongoc_client_session_advance_operation_time(intern->client_session, timestamp, increment);
	-} /* }}} */
	-
	-/* {{{ proto object\|null MongoDB\Driver\Session::getClusterTime()
	- Returns the cluster time for this Session */
	-static PHP_METHOD(Session, getClusterTime)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- const bson_t* cluster_time;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "getClusterTime")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- cluster_time = mongoc_client_session_get_cluster_time(intern->client_session);
	-
	- if (!cluster_time) {
	- RETURN_NULL();
	- }
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(cluster_time), cluster_time->len, &state)) {
	- /* Exception should already have been thrown */
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	-} /* }}} */
	-
	-/* {{{ proto object MongoDB\Driver\Session::getLogicalSessionId()
	- Returns the logical session ID for this Session */
	-static PHP_METHOD(Session, getLogicalSessionId)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- const bson_t* lsid;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "getLogicalSessionId")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- lsid = mongoc_client_session_get_lsid(intern->client_session);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(lsid), lsid->len, &state)) {
	- /* Exception should already have been thrown */
	- zval_ptr_dtor(&state.zchild);
	- return;
	- }
	-
	- RETURN_ZVAL(&state.zchild, 0, 1);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\BSON\Timestamp\|null MongoDB\Driver\Session::getOperationTime()
	- Returns the operation time for this Session */
	-static PHP_METHOD(Session, getOperationTime)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- uint32_t timestamp, increment;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "getOperationTime")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- mongoc_client_session_get_operation_time(intern->client_session, &timestamp, &increment);
	-
	- /* mongoc_client_session_get_operation_time() returns 0 for both parts if
	- * the session has not been used. According to the causal consistency spec,
	- * the operation time for an unused session is null. */
	- if (timestamp == 0 && increment == 0) {
	- RETURN_NULL();
	- }
	-
	- php_phongo_bson_new_timestamp_from_increment_and_timestamp(return_value, increment, timestamp);
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server\|null MongoDB\Driver\Session::getServer()
	- Returns the server this session is pinned to */
	-static PHP_METHOD(Session, getServer)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- uint32_t server_id = 0;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "getServer")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- server_id = mongoc_client_session_get_server_id(intern->client_session);
	-
	- /* For sessions without a pinned server, 0 is returned. */
	- if (!server_id) {
	- RETURN_NULL();
	- }
	-
	- phongo_server_init(return_value, &intern->manager, server_id);
	-} /* }}} */
	-
	-/* {{{ proto array\|null MongoDB\Driver\Session::getTransactionOptions()
	- Returns options for the currently running transaction */
	-static PHP_METHOD(Session, getTransactionOptions)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "getTransactionOptions")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_transaction_options_to_zval(intern->client_session, return_value);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\Session::getTransactionState()
	- Returns the current transaction state for this session */
	-static PHP_METHOD(Session, getTransactionState)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- const char* state;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "getTransactionState")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- state = php_phongo_get_transaction_state_string(mongoc_client_session_get_transaction_state(intern->client_session));
	- if (!state) {
	- /* Exception already thrown */
	- return;
	- }
	-
	- RETURN_STRING(state);
	-} /* }}} */
	-
	-/* Creates a opts structure from an array optionally containing an RP, RC,
	- * WC object, and/or maxCommitTimeMS int. Returns NULL if no options were found,
	- * or there was an invalid option. If there was an invalid option or structure,
	- * an exception will be thrown too. */
	-mongoc_transaction_opt_t* php_mongodb_session_parse_transaction_options(zval* options)
	-{
	- mongoc_transaction_opt_t* opts = NULL;
	-
	- if (php_array_existsc(options, "maxCommitTimeMS")) {
	- int64_t max_commit_time_ms = php_array_fetchc_long(options, "maxCommitTimeMS");
	-
	- if (max_commit_time_ms < 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxCommitTimeMS\" option to be >= 0, %" PRId64 " given", max_commit_time_ms);
	- /* Freeing opts is not needed here, as it can't be set yet. The
	- * code is here to keep it consistent with the others in case more
	- * options are added before this one. */
	- if (opts) {
	- mongoc_transaction_opts_destroy(opts);
	- }
	- return NULL;
	- }
	-
	- if (max_commit_time_ms > UINT32_MAX) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxCommitTimeMS\" option to be <= %" PRIu32 ", %" PRId64 " given", UINT32_MAX, max_commit_time_ms);
	- /* Freeing opts is not needed here, as it can't be set yet. The
	- * code is here to keep it consistent with the others in case more
	- * options are added before this one. */
	- if (opts) {
	- mongoc_transaction_opts_destroy(opts);
	- }
	- return NULL;
	- }
	-
	- if (!opts) {
	- opts = mongoc_transaction_opts_new();
	- }
	-
	- mongoc_transaction_opts_set_max_commit_time_ms(opts, max_commit_time_ms);
	- }
	-
	- if (php_array_existsc(options, "readConcern")) {
	- zval* read_concern = php_array_fetchc(options, "readConcern");
	-
	- if (Z_TYPE_P(read_concern) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(read_concern), php_phongo_readconcern_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(read_concern));
	- if (opts) {
	- mongoc_transaction_opts_destroy(opts);
	- }
	- return NULL;
	- }
	-
	- if (!opts) {
	- opts = mongoc_transaction_opts_new();
	- }
	-
	- mongoc_transaction_opts_set_read_concern(opts, phongo_read_concern_from_zval(read_concern));
	- }
	-
	- if (php_array_existsc(options, "readPreference")) {
	- zval* read_preference = php_array_fetchc(options, "readPreference");
	-
	- if (Z_TYPE_P(read_preference) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(read_preference), php_phongo_readpreference_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readPreference\" option to be %s, %s given", ZSTR_VAL(php_phongo_readpreference_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(read_preference));
	- if (opts) {
	- mongoc_transaction_opts_destroy(opts);
	- }
	- return NULL;
	- }
	-
	- if (!opts) {
	- opts = mongoc_transaction_opts_new();
	- }
	-
	- mongoc_transaction_opts_set_read_prefs(opts, phongo_read_preference_from_zval(read_preference));
	- }
	-
	- if (php_array_existsc(options, "writeConcern")) {
	- zval* write_concern = php_array_fetchc(options, "writeConcern");
	-
	- if (Z_TYPE_P(write_concern) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(write_concern), php_phongo_writeconcern_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"writeConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_writeconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(write_concern));
	- if (opts) {
	- mongoc_transaction_opts_destroy(opts);
	- }
	- return NULL;
	- }
	-
	- if (!opts) {
	- opts = mongoc_transaction_opts_new();
	- }
	-
	- mongoc_transaction_opts_set_write_concern(opts, phongo_write_concern_from_zval(write_concern));
	- }
	-
	- return opts;
	-}
	-
	-/* {{{ proto void MongoDB\Driver\Session::startTransaction([array $options = null])
	- Starts a new transaction */
	-static PHP_METHOD(Session, startTransaction)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- zval* options = NULL;
	- mongoc_transaction_opt_t* txn_options = NULL;
	- bson_error_t error;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "startTransaction")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|a!", &options) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (options) {
	- txn_options = php_mongodb_session_parse_transaction_options(options);
	- }
	- if (EG(exception)) {
	- return;
	- }
	-
	- if (!mongoc_client_session_start_transaction(intern->client_session, txn_options, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- }
	-
	- if (txn_options) {
	- mongoc_transaction_opts_destroy(txn_options);
	- }
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Session::commitTransaction(void)
	- Commits an existing transaction */
	-static PHP_METHOD(Session, commitTransaction)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- bson_error_t error;
	- bson_t reply;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "commitTransaction")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!mongoc_client_session_commit_transaction(intern->client_session, &reply, &error)) {
	- phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
	- }
	-
	- bson_destroy(&reply);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Session::abortTransaction(void)
	- Aborts (rolls back) an existing transaction */
	-static PHP_METHOD(Session, abortTransaction)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	- bson_error_t error;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "abortTransaction")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!mongoc_client_session_abort_transaction(intern->client_session, &error)) {
	- phongo_throw_exception_from_bson_error_t(&error);
	- }
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Session::endSession(void)
	- Ends the session, and a running transaction if active */
	-static PHP_METHOD(Session, endSession)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- mongoc_client_session_destroy(intern->client_session);
	- intern->client_session = NULL;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\Session::isInTransaction(void)
	- Returns whether a multi-document transaction is in progress */
	-static PHP_METHOD(Session, isInTransaction)
	-{
	- zend_error_handling error_handling;
	- php_phongo_session_t* intern;
	-
	- intern = Z_SESSION_OBJ_P(getThis());
	- SESSION_CHECK_LIVELINESS(intern, "isInTransaction")
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_BOOL(mongoc_client_session_in_transaction(intern->client_session));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\Session function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_Session_advanceClusterTime, 0, 0, 1)
	- ZEND_ARG_INFO(0, clusterTime)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Session_advanceOperationTime, 0, 0, 1)
	- ZEND_ARG_INFO(0, timestamp)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Session_startTransaction, 0, 0, 0)
	- ZEND_ARG_ARRAY_INFO(0, options, 1)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_Session_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_session_me[] = {
	- /* clang-format off */
	- PHP_ME(Session, abortTransaction, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, advanceClusterTime, ai_Session_advanceClusterTime, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, advanceOperationTime, ai_Session_advanceOperationTime, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, commitTransaction, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, endSession, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, getClusterTime, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, getLogicalSessionId, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, getOperationTime, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, getServer, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, getTransactionOptions, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, getTransactionState, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, isInTransaction, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(Session, startTransaction, ai_Session_startTransaction, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Session_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\Session object handlers */
	-static zend_object_handlers php_phongo_handler_session;
	-
	-static void php_phongo_session_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_session_t* intern = Z_OBJ_SESSION(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- /* If this Session was created in a different process, reset the client so
	- * that its session pool is cleared and mongoc_client_session_destroy will
	- * destroy the corresponding server session rather than return it to the
	- * now-empty pool. This will ensure that we do not re-use a server session
	- * (i.e. LSID) created by a parent process. */
	- PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	-
	- if (intern->client_session) {
	- mongoc_client_session_destroy(intern->client_session);
	- }
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_session_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_session_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_session_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- PHONGO_SET_CREATED_BY_PID(intern);
	-
	- intern->std.handlers = &php_phongo_handler_session;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_session_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_session_t* intern = NULL;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_SESSION(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init(&retval);
	-
	- if (intern->client_session) {
	- const bson_t* lsid;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	-
	- lsid = mongoc_client_session_get_lsid(intern->client_session);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(lsid), lsid->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "logicalSessionId", &state.zchild);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "logicalSessionId");
	- }
	-
	- if (intern->client_session) {
	- const bson_t* cluster_time;
	-
	- cluster_time = mongoc_client_session_get_cluster_time(intern->client_session);
	-
	- if (cluster_time) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	-
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(cluster_time), cluster_time->len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "clusterTime", &state.zchild);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "clusterTime");
	- }
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "clusterTime");
	- }
	-
	- if (intern->client_session) {
	- const mongoc_session_opt_t* cs_opts = mongoc_client_session_get_opts(intern->client_session);
	- ADD_ASSOC_BOOL_EX(&retval, "causalConsistency", mongoc_session_opts_get_causal_consistency(cs_opts));
	- ADD_ASSOC_BOOL_EX(&retval, "snapshot", mongoc_session_opts_get_snapshot(cs_opts));
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "causalConsistency");
	- ADD_ASSOC_NULL_EX(&retval, "snapshot");
	- }
	-
	- if (intern->client_session) {
	- uint32_t timestamp, increment;
	-
	- mongoc_client_session_get_operation_time(intern->client_session, &timestamp, &increment);
	-
	- if (timestamp && increment) {
	- zval ztimestamp;
	-
	- php_phongo_bson_new_timestamp_from_increment_and_timestamp(&ztimestamp, increment, timestamp);
	- ADD_ASSOC_ZVAL_EX(&retval, "operationTime", &ztimestamp);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "operationTime");
	- }
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "operationTime");
	- }
	-
	- if (intern->client_session) {
	- uint32_t server_id = mongoc_client_session_get_server_id(intern->client_session);
	-
	- if (server_id) {
	-
	- zval server;
	-
	- phongo_server_init(&server, &intern->manager, server_id);
	- ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "server");
	- }
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "server");
	- }
	-
	- if (intern->client_session) {
	- ADD_ASSOC_BOOL_EX(&retval, "inTransaction", mongoc_client_session_in_transaction(intern->client_session));
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "inTransaction");
	- }
	-
	- if (intern->client_session) {
	- const char* state = php_phongo_get_transaction_state_string(mongoc_client_session_get_transaction_state(intern->client_session));
	-
	- if (!state) {
	- /* Exception should already have been thrown */
	- goto done;
	- }
	-
	- ADD_ASSOC_STRING(&retval, "transactionState", state);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "transactionState");
	- }
	-
	- if (intern->client_session) {
	- zval txn_opts;
	- php_phongo_transaction_options_to_zval(intern->client_session, &txn_opts);
	- ADD_ASSOC_ZVAL_EX(&retval, "transactionOptions", &txn_opts);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "transactionOptions");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_session_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Session", php_phongo_session_me);
	- php_phongo_session_ce = zend_register_internal_class(&ce);
	- php_phongo_session_ce->create_object = php_phongo_session_create_object;
	- PHONGO_CE_FINAL(php_phongo_session_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_session_ce);
	-
	- memcpy(&php_phongo_handler_session, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_session.get_debug_info = php_phongo_session_get_debug_info;
	- php_phongo_handler_session.free_obj = php_phongo_session_free_object;
	- php_phongo_handler_session.offset = XtOffsetOf(php_phongo_session_t, std);
	-
	- zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_NONE"), PHONGO_TRANSACTION_NONE);
	- zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_STARTING"), PHONGO_TRANSACTION_STARTING);
	- zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_IN_PROGRESS"), PHONGO_TRANSACTION_IN_PROGRESS);
	- zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_COMMITTED"), PHONGO_TRANSACTION_COMMITTED);
	- zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_ABORTED"), PHONGO_TRANSACTION_ABORTED);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/Session.h b/mongodb-1.12.0/src/MongoDB/Session.h
	deleted file mode 100644
	index b4bd00ad..00000000
	--- a/mongodb-1.12.0/src/MongoDB/Session.h
	+++ /dev/null
	@@ -1,22 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHP_MONGODB_DRIVER_SESSION_H
	-#define PHP_MONGODB_DRIVER_SESSION_H
	-
	-mongoc_transaction_opt_t* php_mongodb_session_parse_transaction_options(zval* txnOptions);
	-
	-#endif /* PHP_MONGODB_DRIVER_SESSION_H */
	diff --git a/mongodb-1.12.0/src/MongoDB/WriteConcern.c b/mongodb-1.12.0/src/MongoDB/WriteConcern.c
	deleted file mode 100644
	index c9800435..00000000
	--- a/mongodb-1.12.0/src/MongoDB/WriteConcern.c
	+++ /dev/null
	@@ -1,624 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-#include <ext/standard/php_var.h>
	-#include <zend_smart_str.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_writeconcern_ce;
	-
	-/* Initialize the object from a HashTable and return whether it was successful.
	- * An exception will be thrown on error. */
	-static bool php_phongo_writeconcern_init_from_hash(php_phongo_writeconcern_t* intern, HashTable* props) /* {{{ */
	-{
	- zval w, wtimeout, *j;
	-
	- intern->write_concern = mongoc_write_concern_new();
	-
	- if ((w = zend_hash_str_find(props, "w", sizeof("w") - 1))) {
	- if (Z_TYPE_P(w) == IS_LONG) {
	- if (Z_LVAL_P(w) < -3) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"w\" integer field to be >= -3", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	- goto failure;
	- }
	- mongoc_write_concern_set_w(intern->write_concern, Z_LVAL_P(w));
	- } else if (Z_TYPE_P(w) == IS_STRING) {
	- if (strcmp(Z_STRVAL_P(w), PHONGO_WRITE_CONCERN_W_MAJORITY) == 0) {
	- mongoc_write_concern_set_w(intern->write_concern, MONGOC_WRITE_CONCERN_W_MAJORITY);
	- } else {
	- mongoc_write_concern_set_wtag(intern->write_concern, Z_STRVAL_P(w));
	- }
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"w\" field to be integer or string", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	- goto failure;
	- }
	- }
	-
	- if ((wtimeout = zend_hash_str_find(props, "wtimeout", sizeof("wtimeout") - 1))) {
	- if (Z_TYPE_P(wtimeout) == IS_LONG) {
	- if (Z_LVAL_P(wtimeout) < 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"wtimeout\" integer field to be >= 0", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	- goto failure;
	- }
	-
	- mongoc_write_concern_set_wtimeout_int64(intern->write_concern, (int64_t) Z_LVAL_P(wtimeout));
	- } else if (Z_TYPE_P(wtimeout) == IS_STRING) {
	- int64_t timeout;
	-
	- if (!php_phongo_parse_int64(&timeout, Z_STRVAL_P(wtimeout), Z_STRLEN_P(wtimeout))) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit value for %s initialization", Z_STRVAL_P(wtimeout), ZSTR_VAL(php_phongo_writeconcern_ce->name));
	- return false;
	- }
	-
	- mongoc_write_concern_set_wtimeout_int64(intern->write_concern, timeout);
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"wtimeout\" field to be integer or string", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	- goto failure;
	- }
	- }
	-
	- if ((j = zend_hash_str_find(props, "j", sizeof("j") - 1))) {
	- if (Z_TYPE_P(j) == IS_TRUE \|\| Z_TYPE_P(j) == IS_FALSE) {
	- if (zend_is_true(j) && (mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED \|\| mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot enable journaling when using w = 0");
	- goto failure;
	- }
	-
	- mongoc_write_concern_set_journal(intern->write_concern, zend_is_true(j));
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"j\" field to be boolean", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	- goto failure;
	- }
	- }
	-
	- if (!mongoc_write_concern_is_valid(intern->write_concern)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Write concern is not valid");
	- goto failure;
	- }
	-
	- return true;
	-
	-failure:
	- mongoc_write_concern_destroy(intern->write_concern);
	- intern->write_concern = NULL;
	- return false;
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\WriteConcern::__construct(integer\|string $w[, integer $wtimeout[, boolean $journal]])
	- Constructs a new WriteConcern */
	-static PHP_METHOD(WriteConcern, __construct)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	- zval * w, *journal;
	- zend_long wtimeout = 0;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "z\|lz", &w, &wtimeout, &journal) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- intern->write_concern = mongoc_write_concern_new();
	-
	- if (Z_TYPE_P(w) == IS_LONG) {
	- if (Z_LVAL_P(w) < -3) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected w to be >= -3, %ld given", Z_LVAL_P(w));
	- return;
	- }
	- mongoc_write_concern_set_w(intern->write_concern, Z_LVAL_P(w));
	- } else if (Z_TYPE_P(w) == IS_STRING) {
	- if (strcmp(Z_STRVAL_P(w), PHONGO_WRITE_CONCERN_W_MAJORITY) == 0) {
	- mongoc_write_concern_set_w(intern->write_concern, MONGOC_WRITE_CONCERN_W_MAJORITY);
	- } else {
	- mongoc_write_concern_set_wtag(intern->write_concern, Z_STRVAL_P(w));
	- }
	- } else {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected w to be integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(w));
	- return;
	- }
	-
	- switch (ZEND_NUM_ARGS()) {
	- case 3:
	- if (Z_TYPE_P(journal) != IS_NULL) {
	- if (zend_is_true(journal) && (mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED \|\| mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot enable journaling when using w = 0");
	- return;
	- }
	-
	- mongoc_write_concern_set_journal(intern->write_concern, zend_is_true(journal));
	- }
	- PHONGO_BREAK_INTENTIONALLY_MISSING
	-
	- case 2:
	- if (wtimeout < 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected wtimeout to be >= 0, %" PHONGO_LONG_FORMAT " given", wtimeout);
	- return;
	- }
	-
	- mongoc_write_concern_set_wtimeout_int64(intern->write_concern, (int64_t) wtimeout);
	- }
	-
	- if (!mongoc_write_concern_is_valid(intern->write_concern)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Write concern is not valid");
	- return;
	- }
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\WriteConcern MongoDB\Driver\WriteConcern::__set_state(array $properties)
	-*/
	-static PHP_METHOD(WriteConcern, __set_state)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	- HashTable* props;
	- zval* array;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- object_init_ex(return_value, php_phongo_writeconcern_ce);
	-
	- intern = Z_WRITECONCERN_OBJ_P(return_value);
	- props = Z_ARRVAL_P(array);
	-
	- php_phongo_writeconcern_init_from_hash(intern, props);
	-} /* }}} */
	-
	-/* {{{ proto string\|integer\|null MongoDB\Driver\WriteConcern::getW()
	- Returns the WriteConcern "w" option */
	-static PHP_METHOD(WriteConcern, getW)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	- const char* wtag;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- wtag = mongoc_write_concern_get_wtag(intern->write_concern);
	-
	- if (wtag) {
	- RETURN_STRING(wtag);
	- }
	-
	- if (mongoc_write_concern_get_wmajority(intern->write_concern)) {
	- RETURN_STRING(PHONGO_WRITE_CONCERN_W_MAJORITY);
	- }
	-
	- if (mongoc_write_concern_get_w(intern->write_concern) != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	- RETURN_LONG(mongoc_write_concern_get_w(intern->write_concern));
	- }
	-
	- RETURN_NULL();
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\WriteConcern::getWtimeout()
	- Returns the WriteConcern "wtimeout" option */
	-static PHP_METHOD(WriteConcern, getWtimeout)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	- int64_t wtimeout;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- wtimeout = mongoc_write_concern_get_wtimeout_int64(intern->write_concern);
	-
	-#if SIZEOF_ZEND_LONG == 4
	- if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	- zend_error(E_WARNING, "Truncating 64-bit value for wTimeoutMS");
	- }
	-#endif
	-
	- RETURN_LONG(wtimeout);
	-} /* }}} */
	-
	-/* {{{ proto null\|boolean MongoDB\Driver\WriteConcern::getJournal()
	- Returns the WriteConcern "journal" option */
	-static PHP_METHOD(WriteConcern, getJournal)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (mongoc_write_concern_journal_is_set(intern->write_concern)) {
	- RETURN_BOOL(mongoc_write_concern_get_journal(intern->write_concern));
	- }
	-
	- RETURN_NULL();
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\WriteConcern::isDefault()
	- Returns whether the write concern has not been modified (i.e. from a Manager
	- with no write concern URI options). */
	-static PHP_METHOD(WriteConcern, isDefault)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_BOOL(mongoc_write_concern_is_default(intern->write_concern));
	-} /* }}} */
	-
	-static HashTable* php_phongo_writeconcern_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp, bool is_bson, bool is_serialize) /* {{{ */
	-{
	- php_phongo_writeconcern_t* intern;
	- HashTable* props;
	- const char* wtag;
	- int32_t w;
	- int64_t wtimeout;
	-
	- intern = Z_OBJ_WRITECONCERN(PHONGO_COMPAT_GET_OBJ(object));
	-
	- PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 4);
	-
	- if (!intern->write_concern) {
	- return props;
	- }
	-
	- wtag = mongoc_write_concern_get_wtag(intern->write_concern);
	- w = mongoc_write_concern_get_w(intern->write_concern);
	- wtimeout = mongoc_write_concern_get_wtimeout_int64(intern->write_concern);
	-
	- {
	- zval z_w;
	-
	- if (wtag) {
	- ZVAL_STRING(&z_w, wtag);
	- zend_hash_str_update(props, "w", sizeof("w") - 1, &z_w);
	- } else if (mongoc_write_concern_get_wmajority(intern->write_concern)) {
	- ZVAL_STRING(&z_w, PHONGO_WRITE_CONCERN_W_MAJORITY);
	- zend_hash_str_update(props, "w", sizeof("w") - 1, &z_w);
	- } else if (w != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	- ZVAL_LONG(&z_w, w);
	- zend_hash_str_update(props, "w", sizeof("w") - 1, &z_w);
	- }
	-
	- if (mongoc_write_concern_journal_is_set(intern->write_concern)) {
	- zval z_j;
	-
	- ZVAL_BOOL(&z_j, mongoc_write_concern_get_journal(intern->write_concern));
	- zend_hash_str_update(props, "j", sizeof("j") - 1, &z_j);
	- }
	-
	- if (wtimeout != 0) {
	- zval z_wtimeout;
	-
	- if (is_bson) {
	- ZVAL_INT64(&z_wtimeout, wtimeout);
	- } else if (is_serialize) {
	- if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	- ZVAL_INT64_STRING(&z_wtimeout, wtimeout);
	- } else {
	- ZVAL_LONG(&z_wtimeout, wtimeout);
	- }
	- } else {
	-#if SIZEOF_ZEND_LONG == 4
	- if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	- ZVAL_INT64_STRING(&z_wtimeout, wtimeout);
	- } else {
	- ZVAL_LONG(&z_wtimeout, wtimeout);
	- }
	-#else
	- ZVAL_LONG(&z_wtimeout, wtimeout);
	-#endif
	- }
	-
	- zend_hash_str_update(props, "wtimeout", sizeof("wtimeout") - 1, &z_wtimeout);
	- }
	- }
	-
	- return props;
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\WriteConcern::bsonSerialize()
	-*/
	-static PHP_METHOD(WriteConcern, bsonSerialize)
	-{
	- zend_error_handling error_handling;
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- ZVAL_ARR(return_value, php_phongo_writeconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, true, false));
	- convert_to_object(return_value);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\WriteConcern::serialize()
	-*/
	-static PHP_METHOD(WriteConcern, serialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	- zval retval;
	- php_serialize_data_t var_hash;
	- smart_str buf = { 0 };
	- const char* wtag;
	- int32_t w;
	- int64_t wtimeout;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!intern->write_concern) {
	- return;
	- }
	-
	- wtag = mongoc_write_concern_get_wtag(intern->write_concern);
	- w = mongoc_write_concern_get_w(intern->write_concern);
	- wtimeout = mongoc_write_concern_get_wtimeout_int64(intern->write_concern);
	-
	- array_init_size(&retval, 3);
	-
	- if (wtag) {
	- ADD_ASSOC_STRING(&retval, "w", wtag);
	- } else if (mongoc_write_concern_get_wmajority(intern->write_concern)) {
	- ADD_ASSOC_STRING(&retval, "w", PHONGO_WRITE_CONCERN_W_MAJORITY);
	- } else if (w != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	- ADD_ASSOC_LONG_EX(&retval, "w", w);
	- }
	-
	- if (mongoc_write_concern_journal_is_set(intern->write_concern)) {
	- ADD_ASSOC_BOOL_EX(&retval, "j", mongoc_write_concern_get_journal(intern->write_concern));
	- }
	-
	- if (wtimeout != 0) {
	- if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	- ADD_ASSOC_INT64_AS_STRING(&retval, "wtimeout", wtimeout);
	- } else {
	- ADD_ASSOC_LONG_EX(&retval, "wtimeout", wtimeout);
	- }
	- }
	-
	- PHP_VAR_SERIALIZE_INIT(var_hash);
	- php_var_serialize(&buf, &retval, &var_hash);
	- smart_str_0(&buf);
	- PHP_VAR_SERIALIZE_DESTROY(var_hash);
	-
	- PHONGO_RETVAL_SMART_STR(buf);
	-
	- smart_str_free(&buf);
	- zval_ptr_dtor(&retval);
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\WriteConcern::unserialize(string $serialized)
	-*/
	-static PHP_METHOD(WriteConcern, unserialize)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcern_t* intern;
	- char* serialized;
	- size_t serialized_len;
	- zval props;
	- php_unserialize_data_t var_hash;
	-
	- intern = Z_WRITECONCERN_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!serialized_len) {
	- return;
	- }
	-
	- PHP_VAR_UNSERIALIZE_INIT(var_hash);
	- if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	- zval_ptr_dtor(&props);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	-
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	- return;
	- }
	- PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	-
	- php_phongo_writeconcern_init_from_hash(intern, HASH_OF(&props));
	- zval_ptr_dtor(&props);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\WriteConcern::__serialize()
	-*/
	-static PHP_METHOD(WriteConcern, __serialize)
	-{
	- PHONGO_PARSE_PARAMETERS_NONE();
	-
	- RETURN_ARR(php_phongo_writeconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, false, true));
	-} /* }}} */
	-
	-/* {{{ proto void MongoDB\Driver\WriteConcern::__unserialize(array $data)
	-*/
	-static PHP_METHOD(WriteConcern, __unserialize)
	-{
	- zval* data;
	-
	- PHONGO_PARSE_PARAMETERS_START(1, 1)
	- Z_PARAM_ARRAY(data)
	- PHONGO_PARSE_PARAMETERS_END();
	-
	- php_phongo_writeconcern_init_from_hash(Z_WRITECONCERN_OBJ_P(getThis()), Z_ARRVAL_P(data));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteConcern function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern___construct, 0, 0, 1)
	- ZEND_ARG_INFO(0, w)
	- ZEND_ARG_INFO(0, wtimeout)
	- ZEND_ARG_INFO(0, journal)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern___set_state, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, properties, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern___unserialize, 0, 0, 1)
	- ZEND_ARG_ARRAY_INFO(0, data, 0)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern_unserialize, 0, 0, 1)
	- ZEND_ARG_INFO(0, serialized)
	-ZEND_END_ARG_INFO()
	-
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_writeconcern_me[] = {
	- /* clang-format off */
	- PHP_ME(WriteConcern, __construct, ai_WriteConcern___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, __serialize, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, __set_state, ai_WriteConcern___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	- PHP_ME(WriteConcern, __unserialize, ai_WriteConcern___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, getW, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, getWtimeout, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, getJournal, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, isDefault, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, bsonSerialize, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, serialize, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcern, unserialize, ai_WriteConcern_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteConcern object handlers */
	-static zend_object_handlers php_phongo_handler_writeconcern;
	-
	-static void php_phongo_writeconcern_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_writeconcern_t* intern = Z_OBJ_WRITECONCERN(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->properties) {
	- zend_hash_destroy(intern->properties);
	- FREE_HASHTABLE(intern->properties);
	- }
	-
	- if (intern->write_concern) {
	- mongoc_write_concern_destroy(intern->write_concern);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_writeconcern_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_writeconcern_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_writeconcern_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_writeconcern;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_writeconcern_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- *is_temp = 1;
	- return php_phongo_writeconcern_get_properties_hash(object, true, false, false);
	-} /* }}} */
	-
	-static HashTable* php_phongo_writeconcern_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	-{
	- return php_phongo_writeconcern_get_properties_hash(object, false, false, false);
	-} /* }}} */
	-
	-void php_phongo_writeconcern_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteConcern", php_phongo_writeconcern_me);
	- php_phongo_writeconcern_ce = zend_register_internal_class(&ce);
	- php_phongo_writeconcern_ce->create_object = php_phongo_writeconcern_create_object;
	- PHONGO_CE_FINAL(php_phongo_writeconcern_ce);
	-
	- zend_class_implements(php_phongo_writeconcern_ce, 1, php_phongo_serializable_ce);
	- zend_class_implements(php_phongo_writeconcern_ce, 1, zend_ce_serializable);
	-
	- memcpy(&php_phongo_handler_writeconcern, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_writeconcern.get_debug_info = php_phongo_writeconcern_get_debug_info;
	- php_phongo_handler_writeconcern.get_properties = php_phongo_writeconcern_get_properties;
	- php_phongo_handler_writeconcern.free_obj = php_phongo_writeconcern_free_object;
	- php_phongo_handler_writeconcern.offset = XtOffsetOf(php_phongo_writeconcern_t, std);
	-
	- zend_declare_class_constant_stringl(php_phongo_writeconcern_ce, ZEND_STRL("MAJORITY"), ZEND_STRL(PHONGO_WRITE_CONCERN_W_MAJORITY));
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/WriteConcernError.c b/mongodb-1.12.0/src/MongoDB/WriteConcernError.c
	deleted file mode 100644
	index 74681a47..00000000
	--- a/mongodb-1.12.0/src/MongoDB/WriteConcernError.c
	+++ /dev/null
	@@ -1,181 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_writeconcernerror_ce;
	-
	-/* {{{ proto integer MongoDB\Driver\WriteConcernError::getCode()
	- Returns the MongoDB error code */
	-static PHP_METHOD(WriteConcernError, getCode)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcernerror_t* intern;
	-
	- intern = Z_WRITECONCERNERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->code);
	-} /* }}} */
	-
	-/* {{{ proto object\|null MongoDB\Driver\WriteConcernError::getInfo()
	- Returns additional metadata for the error */
	-static PHP_METHOD(WriteConcernError, getInfo)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcernerror_t* intern;
	-
	- intern = Z_WRITECONCERNERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!Z_ISUNDEF(intern->info)) {
	- RETURN_ZVAL(&intern->info, 1, 0);
	- }
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\WriteConcernError::getMessage()
	- Returns the actual error message from the server */
	-static PHP_METHOD(WriteConcernError, getMessage)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeconcernerror_t* intern;
	-
	- intern = Z_WRITECONCERNERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRING(intern->message);
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteConcernError function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcernError_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_writeconcernerror_me[] = {
	- /* clang-format off */
	- PHP_ME(WriteConcernError, getCode, ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcernError, getInfo, ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteConcernError, getMessage, ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_WriteConcernError_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteConcernError object handlers */
	-static zend_object_handlers php_phongo_handler_writeconcernerror;
	-
	-static void php_phongo_writeconcernerror_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_writeconcernerror_t* intern = Z_OBJ_WRITECONCERNERROR(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->message) {
	- efree(intern->message);
	- }
	-
	- if (!Z_ISUNDEF(intern->info)) {
	- zval_ptr_dtor(&intern->info);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_writeconcernerror_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_writeconcernerror_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_writeconcernerror_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_writeconcernerror;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_writeconcernerror_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_writeconcernerror_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_WRITECONCERNERROR(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init_size(&retval, 3);
	- ADD_ASSOC_STRING(&retval, "message", intern->message);
	- ADD_ASSOC_LONG_EX(&retval, "code", intern->code);
	- if (!Z_ISUNDEF(intern->info)) {
	- Z_ADDREF(intern->info);
	- ADD_ASSOC_ZVAL_EX(&retval, "info", &intern->info);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "info");
	- }
	-
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_writeconcernerror_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteConcernError", php_phongo_writeconcernerror_me);
	- php_phongo_writeconcernerror_ce = zend_register_internal_class(&ce);
	- php_phongo_writeconcernerror_ce->create_object = php_phongo_writeconcernerror_create_object;
	- PHONGO_CE_FINAL(php_phongo_writeconcernerror_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_writeconcernerror_ce);
	-
	- memcpy(&php_phongo_handler_writeconcernerror, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_writeconcernerror.get_debug_info = php_phongo_writeconcernerror_get_debug_info;
	- php_phongo_handler_writeconcernerror.free_obj = php_phongo_writeconcernerror_free_object;
	- php_phongo_handler_writeconcernerror.offset = XtOffsetOf(php_phongo_writeconcernerror_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/WriteError.c b/mongodb-1.12.0/src/MongoDB/WriteError.c
	deleted file mode 100644
	index 7d282e7b..00000000
	--- a/mongodb-1.12.0/src/MongoDB/WriteError.c
	+++ /dev/null
	@@ -1,203 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-
	-zend_class_entry* php_phongo_writeerror_ce;
	-
	-/* {{{ proto integer MongoDB\Driver\WriteError::getCode()
	- Returns the MongoDB error code */
	-static PHP_METHOD(WriteError, getCode)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeerror_t* intern;
	-
	- intern = Z_WRITEERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->code);
	-} /* }}} */
	-
	-/* {{{ proto integer MongoDB\Driver\WriteError::getIndex()
	- Returns the index of the operation in the BulkWrite to which this WriteError
	- corresponds. */
	-static PHP_METHOD(WriteError, getIndex)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeerror_t* intern;
	-
	- intern = Z_WRITEERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_LONG(intern->index);
	-} /* }}} */
	-
	-/* {{{ proto string MongoDB\Driver\WriteError::getMessage()
	- Returns the actual error message from the server */
	-static PHP_METHOD(WriteError, getMessage)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeerror_t* intern;
	-
	- intern = Z_WRITEERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_STRING(intern->message);
	-} /* }}} */
	-
	-/* {{{ proto object\|null MongoDB\Driver\WriteError::getInfo()
	- Returns additional metadata for the error */
	-static PHP_METHOD(WriteError, getInfo)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeerror_t* intern;
	-
	- intern = Z_WRITEERROR_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- if (!Z_ISUNDEF(intern->info)) {
	- RETURN_ZVAL(&intern->info, 1, 0);
	- }
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteError function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteError_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_writeerror_me[] = {
	- /* clang-format off */
	- PHP_ME(WriteError, getCode, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteError, getIndex, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteError, getMessage, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteError, getInfo, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_WriteError_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteError object handlers */
	-static zend_object_handlers php_phongo_handler_writeerror;
	-
	-static void php_phongo_writeerror_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_writeerror_t* intern = Z_OBJ_WRITEERROR(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->message) {
	- efree(intern->message);
	- }
	-
	- if (!Z_ISUNDEF(intern->info)) {
	- zval_ptr_dtor(&intern->info);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_writeerror_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_writeerror_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_writeerror_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_writeerror;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_writeerror_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_writeerror_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	-
	- *is_temp = 1;
	- intern = Z_OBJ_WRITEERROR(PHONGO_COMPAT_GET_OBJ(object));
	-
	- array_init_size(&retval, 3);
	- ADD_ASSOC_STRING(&retval, "message", intern->message);
	- ADD_ASSOC_LONG_EX(&retval, "code", intern->code);
	- ADD_ASSOC_LONG_EX(&retval, "index", intern->index);
	- if (!Z_ISUNDEF(intern->info)) {
	- Z_ADDREF(intern->info);
	- ADD_ASSOC_ZVAL_EX(&retval, "info", &intern->info);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "info");
	- }
	-
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_writeerror_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteError", php_phongo_writeerror_me);
	- php_phongo_writeerror_ce = zend_register_internal_class(&ce);
	- php_phongo_writeerror_ce->create_object = php_phongo_writeerror_create_object;
	- PHONGO_CE_FINAL(php_phongo_writeerror_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_writeerror_ce);
	-
	- memcpy(&php_phongo_handler_writeerror, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_writeerror.get_debug_info = php_phongo_writeerror_get_debug_info;
	- php_phongo_handler_writeerror.free_obj = php_phongo_writeerror_free_object;
	- php_phongo_handler_writeerror.offset = XtOffsetOf(php_phongo_writeerror_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/MongoDB/WriteResult.c b/mongodb-1.12.0/src/MongoDB/WriteResult.c
	deleted file mode 100644
	index fc28abc2..00000000
	--- a/mongodb-1.12.0/src/MongoDB/WriteResult.c
	+++ /dev/null
	@@ -1,485 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <php.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_array_api.h"
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-
	-#define PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(iter, bson, key) \
	- if (bson_iter_init_find((iter), (bson), (key)) && BSON_ITER_HOLDS_INT32((iter))) { \
	- RETURN_LONG(bson_iter_int32((iter))); \
	- }
	-
	-zend_class_entry* php_phongo_writeresult_ce;
	-
	-static bool php_phongo_writeresult_get_writeconcernerror(php_phongo_writeresult_t* intern, zval* return_value) /* {{{ */
	-{
	- bson_iter_t iter, child;
	- zval writeconcernerror;
	-
	- ZVAL_NULL(return_value);
	-
	- if (bson_iter_init_find(&iter, intern->reply, "writeConcernErrors") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	- while (bson_iter_next(&child)) {
	- bson_t cbson;
	- uint32_t len;
	- const uint8_t* data;
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT(&child)) {
	- continue;
	- }
	-
	- bson_iter_document(&child, &len, &data);
	-
	- if (!bson_init_static(&cbson, data, len)) {
	- continue;
	- }
	-
	- if (!phongo_writeconcernerror_init(&writeconcernerror, &cbson)) {
	- zval_ptr_dtor(&writeconcernerror);
	- return false;
	- }
	-
	- ZVAL_ZVAL(return_value, &writeconcernerror, 1, 1);
	-
	- return true;
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_writeresult_get_writeerrors(php_phongo_writeresult_t* intern, zval* return_value) /* {{{ */
	-{
	- bson_iter_t iter, child;
	-
	- array_init(return_value);
	-
	- if (bson_iter_init_find(&iter, intern->reply, "writeErrors") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	- while (bson_iter_next(&child)) {
	- bson_t cbson;
	- uint32_t len;
	- const uint8_t* data;
	- zval writeerror;
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT(&child)) {
	- continue;
	- }
	-
	- bson_iter_document(&child, &len, &data);
	-
	- if (!bson_init_static(&cbson, data, len)) {
	- continue;
	- }
	-
	- if (!phongo_writeerror_init(&writeerror, &cbson)) {
	- zval_ptr_dtor(&writeerror);
	- continue;
	- }
	-
	- add_next_index_zval(return_value, &writeerror);
	- }
	- }
	-
	- return true;
	-} /* }}} */
	-
	-/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getInsertedCount()
	- Returns the number of documents that were inserted */
	-static PHP_METHOD(WriteResult, getInsertedCount)
	-{
	- zend_error_handling error_handling;
	- bson_iter_t iter;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nInserted");
	-} /* }}} */
	-
	-/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getMatchedCount()
	- Returns the number of documents that matched the update criteria */
	-static PHP_METHOD(WriteResult, getMatchedCount)
	-{
	- zend_error_handling error_handling;
	- bson_iter_t iter;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nMatched");
	-} /* }}} */
	-
	-/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getModifiedCount()
	- Returns the number of documents that were actually modified by an update */
	-static PHP_METHOD(WriteResult, getModifiedCount)
	-{
	- zend_error_handling error_handling;
	- bson_iter_t iter;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nModified");
	-} /* }}} */
	-
	-/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getDeletedCount()
	- Returns the number of documents that were deleted */
	-static PHP_METHOD(WriteResult, getDeletedCount)
	-{
	- zend_error_handling error_handling;
	- bson_iter_t iter;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nRemoved");
	-} /* }}} */
	-
	-/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getUpsertedCount()
	- Returns the number of documents that were upserted */
	-static PHP_METHOD(WriteResult, getUpsertedCount)
	-{
	- zend_error_handling error_handling;
	- bson_iter_t iter;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nUpserted");
	-} /* }}} */
	-
	-/* {{{ proto MongoDB\Driver\Server MongoDB\Driver\WriteResult::getServer()
	- Returns the Server from which the result originated */
	-static PHP_METHOD(WriteResult, getServer)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- phongo_server_init(return_value, &intern->manager, intern->server_id);
	-} /* }}} */
	-
	-/* {{{ proto array MongoDB\Driver\WriteResult::getUpsertedIds()
	- Returns the identifiers generated by the server for upsert operations. */
	-static PHP_METHOD(WriteResult, getUpsertedIds)
	-{
	- zend_error_handling error_handling;
	- bson_iter_t iter, child;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- array_init(return_value);
	-
	- if (bson_iter_init_find(&iter, intern->reply, "upserted") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	- while (bson_iter_next(&child)) {
	- uint32_t data_len;
	- const uint8_t* data = NULL;
	- php_phongo_bson_state state;
	-
	- /* Use PHONGO_TYPEMAP_NATIVE_ARRAY for the root type so we can
	- * easily access the "index" and "_id" fields. */
	- PHONGO_BSON_INIT_STATE(state);
	- state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT(&child)) {
	- continue;
	- }
	-
	- bson_iter_document(&child, &data_len, &data);
	-
	- if (php_phongo_bson_to_zval_ex(data, data_len, &state)) {
	- zval* zid = php_array_fetchc(&state.zchild, "_id");
	- add_index_zval(return_value, php_array_fetchc_long(&state.zchild, "index"), zid);
	- zval_add_ref(zid);
	- }
	-
	- zval_ptr_dtor(&state.zchild);
	- }
	- }
	-} /* }}} */
	-
	-/* {{{ proto WriteConcernError MongoDB\Driver\WriteResult::getWriteConcernError()
	- Return any write concern error that occurred */
	-static PHP_METHOD(WriteResult, getWriteConcernError)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_writeresult_get_writeconcernerror(intern, return_value);
	-} /* }}} */
	-
	-/* {{{ proto WriteError[] MongoDB\Driver\WriteResult::getWriteErrors()
	- Returns any write errors that occurred */
	-static PHP_METHOD(WriteResult, getWriteErrors)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- php_phongo_writeresult_get_writeerrors(intern, return_value);
	-} /* }}} */
	-
	-/* {{{ proto boolean MongoDB\Driver\WriteResult::isAcknowledged()
	- Returns whether the write operation was acknowledged (based on the write
	- concern). */
	-static PHP_METHOD(WriteResult, isAcknowledged)
	-{
	- zend_error_handling error_handling;
	- php_phongo_writeresult_t* intern;
	-
	- intern = Z_WRITERESULT_OBJ_P(getThis());
	-
	- zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	- if (zend_parse_parameters_none() == FAILURE) {
	- zend_restore_error_handling(&error_handling);
	- return;
	- }
	- zend_restore_error_handling(&error_handling);
	-
	- RETURN_BOOL(mongoc_write_concern_is_acknowledged(intern->write_concern));
	-} /* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteResult function entries */
	-ZEND_BEGIN_ARG_INFO_EX(ai_WriteResult_void, 0, 0, 0)
	-ZEND_END_ARG_INFO()
	-
	-static zend_function_entry php_phongo_writeresult_me[] = {
	- /* clang-format off */
	- PHP_ME(WriteResult, getInsertedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getMatchedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getModifiedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getDeletedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getUpsertedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getServer, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getUpsertedIds, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getWriteConcernError, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, getWriteErrors, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_ME(WriteResult, isAcknowledged, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_WriteResult_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	- ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	- PHP_FE_END
	- /* clang-format on */
	-};
	-/* }}} */
	-
	-/* {{{ MongoDB\Driver\WriteResult object handlers */
	-static zend_object_handlers php_phongo_handler_writeresult;
	-
	-static void php_phongo_writeresult_free_object(zend_object* object) /* {{{ */
	-{
	- php_phongo_writeresult_t* intern = Z_OBJ_WRITERESULT(object);
	-
	- zend_object_std_dtor(&intern->std);
	-
	- if (intern->reply) {
	- bson_destroy(intern->reply);
	- }
	-
	- if (intern->write_concern) {
	- mongoc_write_concern_destroy(intern->write_concern);
	- }
	-
	- if (!Z_ISUNDEF(intern->manager)) {
	- zval_ptr_dtor(&intern->manager);
	- }
	-} /* }}} */
	-
	-static zend_object* php_phongo_writeresult_create_object(zend_class_entry* class_type) /* {{{ */
	-{
	- php_phongo_writeresult_t* intern = NULL;
	-
	- intern = PHONGO_ALLOC_OBJECT_T(php_phongo_writeresult_t, class_type);
	-
	- zend_object_std_init(&intern->std, class_type);
	- object_properties_init(&intern->std, class_type);
	-
	- intern->std.handlers = &php_phongo_handler_writeresult;
	-
	- return &intern->std;
	-} /* }}} */
	-
	-static HashTable* php_phongo_writeresult_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	-{
	- php_phongo_writeresult_t* intern;
	- zval retval = ZVAL_STATIC_INIT;
	- bson_iter_t iter;
	-
	- intern = Z_OBJ_WRITERESULT(PHONGO_COMPAT_GET_OBJ(object));
	- *is_temp = 1;
	- array_init_size(&retval, 9);
	-
	-#define PHONGO_WRITERESULT_SCP(field) \
	- if (bson_iter_init_find(&iter, intern->reply, (field)) && BSON_ITER_HOLDS_INT32(&iter)) { \
	- ADD_ASSOC_LONG_EX(&retval, (field), bson_iter_int32(&iter)); \
	- } else { \
	- ADD_ASSOC_NULL_EX(&retval, (field)); \
	- }
	-
	- PHONGO_WRITERESULT_SCP("nInserted");
	- PHONGO_WRITERESULT_SCP("nMatched");
	- PHONGO_WRITERESULT_SCP("nModified");
	- PHONGO_WRITERESULT_SCP("nRemoved");
	- PHONGO_WRITERESULT_SCP("nUpserted");
	-#undef PHONGO_WRITERESULT_SCP
	-
	- if (bson_iter_init_find(&iter, intern->reply, "upserted") && BSON_ITER_HOLDS_ARRAY(&iter)) {
	- uint32_t len;
	- const uint8_t* data;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_DEBUG_STATE(state);
	- bson_iter_array(&iter, &len, &data);
	- if (!php_phongo_bson_to_zval_ex(data, len, &state)) {
	- zval_ptr_dtor(&state.zchild);
	- goto done;
	- }
	-
	- ADD_ASSOC_ZVAL_EX(&retval, "upsertedIds", &state.zchild);
	- } else {
	- zval upsertedIds;
	- array_init(&upsertedIds);
	- ADD_ASSOC_ZVAL_EX(&retval, "upsertedIds", &upsertedIds);
	- }
	-
	- {
	- zval writeerrors;
	-
	- php_phongo_writeresult_get_writeerrors(intern, &writeerrors);
	- ADD_ASSOC_ZVAL_EX(&retval, "writeErrors", &writeerrors);
	- }
	-
	- {
	- zval writeconcernerror;
	-
	- php_phongo_writeresult_get_writeconcernerror(intern, &writeconcernerror);
	- ADD_ASSOC_ZVAL_EX(&retval, "writeConcernError", &writeconcernerror);
	- }
	-
	- if (intern->write_concern) {
	- zval write_concern;
	-
	- phongo_writeconcern_init(&write_concern, intern->write_concern);
	- ADD_ASSOC_ZVAL_EX(&retval, "writeConcern", &write_concern);
	- } else {
	- ADD_ASSOC_NULL_EX(&retval, "writeConcern");
	- }
	-
	-done:
	- return Z_ARRVAL(retval);
	-} /* }}} */
	-/* }}} */
	-
	-void php_phongo_writeresult_init_ce(INIT_FUNC_ARGS) /* {{{ */
	-{
	- zend_class_entry ce;
	-
	- INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteResult", php_phongo_writeresult_me);
	- php_phongo_writeresult_ce = zend_register_internal_class(&ce);
	- php_phongo_writeresult_ce->create_object = php_phongo_writeresult_create_object;
	- PHONGO_CE_FINAL(php_phongo_writeresult_ce);
	- PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_writeresult_ce);
	-
	- memcpy(&php_phongo_handler_writeresult, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	- php_phongo_handler_writeresult.get_debug_info = php_phongo_writeresult_get_debug_info;
	- php_phongo_handler_writeresult.free_obj = php_phongo_writeresult_free_object;
	- php_phongo_handler_writeresult.offset = XtOffsetOf(php_phongo_writeresult_t, std);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/bson-encode.c b/mongodb-1.12.0/src/bson-encode.c
	deleted file mode 100644
	index 86b2e864..00000000
	--- a/mongodb-1.12.0/src/bson-encode.c
	+++ /dev/null
	@@ -1,530 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#include <php.h>
	-#include <Zend/zend_hash.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-#include "phongo_compat.h"
	-
	-#if SIZEOF_ZEND_LONG == 8
	-#define BSON_APPEND_INT(b, key, keylen, val) \
	- if (val > INT32_MAX \|\| val < INT32_MIN) { \
	- bson_append_int64(b, key, keylen, val); \
	- } else { \
	- bson_append_int32(b, key, keylen, val); \
	- }
	-#elif SIZEOF_ZEND_LONG == 4
	-#define BSON_APPEND_INT(b, key, keylen, val) \
	- bson_append_int32(b, key, keylen, val)
	-#else
	-#error Unsupported architecture (integers are neither 32-bit nor 64-bit)
	-#endif
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "PHONGO-BSON"
	-
	-/* Forwards declarations */
	-static void php_phongo_zval_to_bson_internal(zval* data, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out);
	-
	-/* Determines whether the argument should be serialized as a BSON array or
	- * document. IS_ARRAY is returned if the argument's keys are a sequence of
	- * integers starting at zero; otherwise, IS_OBJECT is returned. */
	-static int php_phongo_is_array_or_document(zval* val) /* {{{ */
	-{
	- HashTable* ht_data = HASH_OF(val);
	- int count;
	-
	- if (Z_TYPE_P(val) != IS_ARRAY) {
	- return IS_OBJECT;
	- }
	-
	- count = ht_data ? zend_hash_num_elements(ht_data) : 0;
	- if (count > 0) {
	- zend_string* key;
	- zend_ulong index, idx;
	-
	- idx = 0;
	- ZEND_HASH_FOREACH_KEY(ht_data, index, key)
	- {
	- if (key) {
	- return IS_OBJECT;
	- } else {
	- if (index != idx) {
	- return IS_OBJECT;
	- }
	- }
	- idx++;
	- }
	- ZEND_HASH_FOREACH_END();
	- } else {
	- return Z_TYPE_P(val);
	- }
	-
	- return IS_ARRAY;
	-} /* }}} */
	-
	-/* Appends the array or object argument to the BSON document. If the object is
	- * an instance of MongoDB\BSON\Serializable, the return value of bsonSerialize()
	- * will be appended as an embedded document. Other MongoDB\BSON\Type instances
	- * will be appended as the appropriate BSON type. Other array or object values
	- * will be appended as an embedded document. */
	-static void php_phongo_bson_append_object(bson_t* bson, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, const char* key, long key_len, zval* object) /* {{{ */
	-{
	- if (Z_TYPE_P(object) == IS_OBJECT && instanceof_function(Z_OBJCE_P(object), php_phongo_cursorid_ce)) {
	- bson_append_int64(bson, key, key_len, Z_CURSORID_OBJ_P(object)->id);
	- return;
	- }
	-
	- if (Z_TYPE_P(object) == IS_OBJECT && instanceof_function(Z_OBJCE_P(object), php_phongo_type_ce)) {
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_serializable_ce)) {
	- zval obj_data;
	- bson_t child;
	-
	- zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(object), NULL, NULL, BSON_SERIALIZE_FUNC_NAME, &obj_data);
	-
	- if (Z_ISUNDEF(obj_data)) {
	- /* zend_call_method() failed or bsonSerialize() threw an
	- * exception. Either way, there is nothing else to do. */
	- return;
	- }
	-
	- if (Z_TYPE(obj_data) != IS_ARRAY && !(Z_TYPE(obj_data) == IS_OBJECT && instanceof_function(Z_OBJCE(obj_data), zend_standard_class_def))) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE,
	- "Expected %s::%s() to return an array or stdClass, %s given",
	- ZSTR_VAL(Z_OBJCE_P(object)->name),
	- BSON_SERIALIZE_FUNC_NAME,
	- PHONGO_ZVAL_CLASS_OR_TYPE_NAME(obj_data));
	- zval_ptr_dtor(&obj_data);
	-
	- return;
	- }
	-
	- /* Persistable objects must always be serialized as BSON documents;
	- * otherwise, infer based on bsonSerialize()'s return value. */
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_persistable_ce) \|\| php_phongo_is_array_or_document(&obj_data) == IS_OBJECT) {
	- bson_append_document_begin(bson, key, key_len, &child);
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_persistable_ce)) {
	- bson_append_binary(&child, PHONGO_ODM_FIELD_NAME, -1, 0x80, (const uint8_t*) Z_OBJCE_P(object)->name->val, Z_OBJCE_P(object)->name->len);
	- }
	- php_phongo_zval_to_bson_internal(&obj_data, field_path, flags, &child, NULL);
	- bson_append_document_end(bson, &child);
	- } else {
	- bson_append_array_begin(bson, key, key_len, &child);
	- php_phongo_zval_to_bson_internal(&obj_data, field_path, flags, &child, NULL);
	- bson_append_array_end(bson, &child);
	- }
	-
	- zval_ptr_dtor(&obj_data);
	- return;
	- }
	-
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_objectid_ce)) {
	- bson_oid_t oid;
	- php_phongo_objectid_t* intern = Z_OBJECTID_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding ObjectId");
	- bson_oid_init_from_string(&oid, intern->oid);
	- bson_append_oid(bson, key, key_len, &oid);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_utcdatetime_ce)) {
	- php_phongo_utcdatetime_t* intern = Z_UTCDATETIME_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding UTCDateTime");
	- bson_append_date_time(bson, key, key_len, intern->milliseconds);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_binary_ce)) {
	- php_phongo_binary_t* intern = Z_BINARY_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Binary");
	- bson_append_binary(bson, key, key_len, intern->type, (const uint8_t*) intern->data, (uint32_t) intern->data_len);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_decimal128_ce)) {
	- php_phongo_decimal128_t* intern = Z_DECIMAL128_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Decimal128");
	- bson_append_decimal128(bson, key, key_len, &intern->decimal);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_int64_ce)) {
	- php_phongo_int64_t* intern = Z_INT64_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Int64");
	- bson_append_int64(bson, key, key_len, intern->integer);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_regex_ce)) {
	- php_phongo_regex_t* intern = Z_REGEX_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Regex");
	- bson_append_regex(bson, key, key_len, intern->pattern, intern->flags);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_javascript_ce)) {
	- php_phongo_javascript_t* intern = Z_JAVASCRIPT_OBJ_P(object);
	-
	- if (intern->scope) {
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Javascript with scope");
	- bson_append_code_with_scope(bson, key, key_len, intern->code, intern->scope);
	- } else {
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Javascript without scope");
	- bson_append_code(bson, key, key_len, intern->code);
	- }
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_timestamp_ce)) {
	- php_phongo_timestamp_t* intern = Z_TIMESTAMP_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Timestamp");
	- bson_append_timestamp(bson, key, key_len, intern->timestamp, intern->increment);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_maxkey_ce)) {
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding MaxKey");
	- bson_append_maxkey(bson, key, key_len);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_minkey_ce)) {
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding MinKey");
	- bson_append_minkey(bson, key, key_len);
	- return;
	- }
	-
	- /* Deprecated types */
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_dbpointer_ce)) {
	- bson_oid_t oid;
	- php_phongo_dbpointer_t* intern = Z_DBPOINTER_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding DBPointer");
	- bson_oid_init_from_string(&oid, intern->id);
	- bson_append_dbpointer(bson, key, key_len, intern->ref, &oid);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_symbol_ce)) {
	- php_phongo_symbol_t* intern = Z_SYMBOL_OBJ_P(object);
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Symbol");
	- bson_append_symbol(bson, key, key_len, intern->symbol, intern->symbol_len);
	- return;
	- }
	- if (instanceof_function(Z_OBJCE_P(object), php_phongo_undefined_ce)) {
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Undefined");
	- bson_append_undefined(bson, key, key_len);
	- return;
	- }
	-
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Unexpected %s instance: %s", ZSTR_VAL(php_phongo_type_ce->name), ZSTR_VAL(Z_OBJCE_P(object)->name));
	- return;
	- } else {
	- bson_t child;
	-
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding document");
	- bson_append_document_begin(bson, key, key_len, &child);
	- php_phongo_zval_to_bson_internal(object, field_path, flags, &child, NULL);
	- bson_append_document_end(bson, &child);
	- }
	-} /* }}} */
	-
	-/* Appends the zval argument to the BSON document. If the argument is an object,
	- * or an array that should be serialized as an embedded document, this function
	- * will defer to php_phongo_bson_append_object(). */
	-static void php_phongo_bson_append(bson_t* bson, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, const char* key, long key_len, zval* entry) /* {{{ */
	-{
	- php_phongo_field_path_write_item_at_current_level(field_path, key);
	-
	-try_again:
	- switch (Z_TYPE_P(entry)) {
	- case IS_NULL:
	- bson_append_null(bson, key, key_len);
	- break;
	- case IS_TRUE:
	- bson_append_bool(bson, key, key_len, true);
	- break;
	-
	- case IS_FALSE:
	- bson_append_bool(bson, key, key_len, false);
	- break;
	-
	- case IS_LONG:
	- BSON_APPEND_INT(bson, key, key_len, Z_LVAL_P(entry));
	- break;
	-
	- case IS_DOUBLE:
	- bson_append_double(bson, key, key_len, Z_DVAL_P(entry));
	- break;
	-
	- case IS_STRING:
	- if (bson_utf8_validate(Z_STRVAL_P(entry), Z_STRLEN_P(entry), true)) {
	- bson_append_utf8(bson, key, key_len, Z_STRVAL_P(entry), Z_STRLEN_P(entry));
	- } else {
	- char* path_string = php_phongo_field_path_as_string(field_path);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected invalid UTF-8 for field path \"%s\": %s", path_string, Z_STRVAL_P(entry));
	- efree(path_string);
	- }
	- break;
	-
	- case IS_ARRAY:
	- if (php_phongo_is_array_or_document(entry) == IS_ARRAY) {
	- bson_t child;
	- HashTable* tmp_ht = HASH_OF(entry);
	-
	- if (!php_phongo_zend_hash_apply_protection_begin(tmp_ht)) {
	- char* path_string = php_phongo_field_path_as_string(field_path);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected recursion for field path \"%s\"", path_string);
	- efree(path_string);
	- break;
	- }
	-
	- bson_append_array_begin(bson, key, key_len, &child);
	- php_phongo_field_path_write_type_at_current_level(field_path, PHONGO_FIELD_PATH_ITEM_ARRAY);
	- field_path->size++;
	- php_phongo_zval_to_bson_internal(entry, field_path, flags, &child, NULL);
	- field_path->size--;
	- bson_append_array_end(bson, &child);
	-
	- php_phongo_zend_hash_apply_protection_end(tmp_ht);
	- break;
	- }
	- PHONGO_BREAK_INTENTIONALLY_MISSING
	-
	- case IS_OBJECT: {
	- HashTable* tmp_ht = HASH_OF(entry);
	-
	- if (!php_phongo_zend_hash_apply_protection_begin(tmp_ht)) {
	- char* path_string = php_phongo_field_path_as_string(field_path);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected recursion for field path \"%s\"", path_string);
	- efree(path_string);
	- break;
	- }
	-
	- php_phongo_field_path_write_type_at_current_level(field_path, PHONGO_FIELD_PATH_ITEM_DOCUMENT);
	- field_path->size++;
	- php_phongo_bson_append_object(bson, field_path, flags, key, key_len, entry);
	- field_path->size--;
	-
	- php_phongo_zend_hash_apply_protection_end(tmp_ht);
	- break;
	- }
	-
	- case IS_REFERENCE:
	- ZVAL_DEREF(entry);
	- goto try_again;
	-
	- default: {
	- char* path_string = php_phongo_field_path_as_string(field_path);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected unsupported PHP type for field path \"%s\": %d (%s)", path_string, Z_TYPE_P(entry), zend_get_type_by_const(Z_TYPE_P(entry)));
	- efree(path_string);
	- }
	- }
	-} /* }}} */
	-
	-static void php_phongo_zval_to_bson_internal(zval* data, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out) /* {{{ */
	-{
	- HashTable* ht_data = NULL;
	- zval obj_data;
	-
	- /* If we will be encoding a class that may contain protected and private
	- * properties, we'll need to filter them out later. */
	- bool ht_data_from_properties = false;
	-
	- /* If the object is an instance of MongoDB\BSON\Persistable, we will need to
	- * inject the PHP class name as a BSON key and ignore any existing key in
	- * the return value of bsonSerialize(). */
	- bool skip_odm_field = false;
	-
	- ZVAL_UNDEF(&obj_data);
	-
	- switch (Z_TYPE_P(data)) {
	- case IS_OBJECT:
	- if (instanceof_function(Z_OBJCE_P(data), php_phongo_serializable_ce)) {
	- zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(data), NULL, NULL, BSON_SERIALIZE_FUNC_NAME, &obj_data);
	-
	- if (Z_ISUNDEF(obj_data)) {
	- /* zend_call_method() failed or bsonSerialize() threw an
	- * exception. Either way, there is nothing else to do. */
	- return;
	- }
	-
	- if (Z_TYPE(obj_data) != IS_ARRAY && !(Z_TYPE(obj_data) == IS_OBJECT && instanceof_function(Z_OBJCE(obj_data), zend_standard_class_def))) {
	- phongo_throw_exception(
	- PHONGO_ERROR_UNEXPECTED_VALUE,
	- "Expected %s::%s() to return an array or stdClass, %s given",
	- ZSTR_VAL(Z_OBJCE_P(data)->name),
	- BSON_SERIALIZE_FUNC_NAME,
	- PHONGO_ZVAL_CLASS_OR_TYPE_NAME(obj_data));
	-
	- goto cleanup;
	- }
	-
	- ht_data = HASH_OF(&obj_data);
	-
	- if (instanceof_function(Z_OBJCE_P(data), php_phongo_persistable_ce)) {
	- bson_append_binary(bson, PHONGO_ODM_FIELD_NAME, -1, 0x80, (const uint8_t*) Z_OBJCE_P(data)->name->val, Z_OBJCE_P(data)->name->len);
	- /* Ensure that we ignore an existing key with the same name
	- * if one exists in the bsonSerialize() return value. */
	- skip_odm_field = true;
	- }
	-
	- break;
	- }
	-
	- if (instanceof_function(Z_OBJCE_P(data), php_phongo_type_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s instance %s cannot be serialized as a root element", ZSTR_VAL(php_phongo_type_ce->name), ZSTR_VAL(Z_OBJCE_P(data)->name));
	- return;
	- }
	-
	- ht_data = Z_OBJ_HT_P(data)->get_properties(PHONGO_COMPAT_OBJ_P(data));
	- ht_data_from_properties = true;
	- break;
	-
	- case IS_ARRAY:
	- ht_data = HASH_OF(data);
	- break;
	-
	- default:
	- return;
	- }
	-
	- {
	- zend_string* string_key = NULL;
	- zend_ulong num_key = 0;
	- zval* value;
	-
	- ZEND_HASH_FOREACH_KEY_VAL_IND(ht_data, num_key, string_key, value)
	- {
	- if (string_key) {
	- if (ht_data_from_properties) {
	- /* Skip protected and private properties */
	- if (ZSTR_VAL(string_key)[0] == '\0' && ZSTR_LEN(string_key) > 0) {
	- continue;
	- }
	- }
	-
	- if (strlen(ZSTR_VAL(string_key)) != ZSTR_LEN(string_key)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "BSON keys cannot contain null bytes. Unexpected null byte after \"%s\".", ZSTR_VAL(string_key));
	-
	- goto cleanup;
	- }
	-
	- if (skip_odm_field && !strcmp(ZSTR_VAL(string_key), PHONGO_ODM_FIELD_NAME)) {
	- continue;
	- }
	-
	- if (flags & PHONGO_BSON_ADD_ID) {
	- if (!strcmp(ZSTR_VAL(string_key), "_id")) {
	- flags &= ~PHONGO_BSON_ADD_ID;
	- }
	- }
	- }
	-
	- /* Ensure we're working with a string key */
	- if (!string_key) {
	- string_key = zend_long_to_str(num_key);
	- } else {
	- zend_string_addref(string_key);
	- }
	-
	- php_phongo_bson_append(bson, field_path, flags & ~PHONGO_BSON_ADD_ID, ZSTR_VAL(string_key), strlen(ZSTR_VAL(string_key)), value);
	-
	- zend_string_release(string_key);
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-
	- if (flags & PHONGO_BSON_ADD_ID) {
	- bson_oid_t oid;
	-
	- bson_oid_init(&oid, NULL);
	- bson_append_oid(bson, "_id", strlen("_id"), &oid);
	- mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "Added new _id");
	- }
	-
	- if (flags & PHONGO_BSON_RETURN_ID && bson_out) {
	- bson_iter_t iter;
	-
	- *bson_out = bson_new();
	-
	- if (bson_iter_init_find(&iter, bson, "_id") && !bson_append_iter(*bson_out, NULL, 0, &iter)) {
	- /* This should not be able to happen since we are copying from
	- * within a valid bson_t. */
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Error copying \"_id\" field from encoded document");
	-
	- goto cleanup;
	- }
	- }
	-
	-cleanup:
	- if (!Z_ISUNDEF(obj_data)) {
	- zval_ptr_dtor(&obj_data);
	- }
	-} /* }}} */
	-
	-/* Converts the array or object argument to a BSON document. If the object is an
	- * instance of MongoDB\BSON\Serializable, the return value of bsonSerialize()
	- * will be used. */
	-void php_phongo_zval_to_bson(zval* data, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out) /* {{{ */
	-{
	- php_phongo_field_path* field_path = php_phongo_field_path_alloc(false);
	-
	- php_phongo_zval_to_bson_internal(data, field_path, flags, bson, bson_out);
	-
	- php_phongo_field_path_free(field_path);
	-} /* }}} */
	-
	-/* Converts the argument to a bson_value_t. If the object is an instance of
	- * MongoDB\BSON\Serializable, the return value of bsonSerialize() will be
	- * used. */
	-void php_phongo_zval_to_bson_value(zval* data, php_phongo_bson_flags_t flags, bson_value_t* value) /* {{{ */
	-{
	- bson_iter_t iter;
	- bson_t bson = BSON_INITIALIZER;
	-
	- zval* data_object = ecalloc(1, sizeof(zval));
	-
	- array_init_size(data_object, 1);
	- add_assoc_zval(data_object, "data", data);
	-
	- Z_TRY_ADDREF_P(data);
	-
	- php_phongo_zval_to_bson(data_object, flags, &bson, NULL);
	-
	- if (bson_iter_init_find(&iter, &bson, "data")) {
	- bson_value_copy(bson_iter_value(&iter), value);
	- }
	-
	- zval_ptr_dtor(data_object);
	- efree(data_object);
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/bson.c b/mongodb-1.12.0/src/bson.c
	deleted file mode 100644
	index 2ee42843..00000000
	--- a/mongodb-1.12.0/src/bson.c
	+++ /dev/null
	@@ -1,1378 +0,0 @@
	-/*
	- * Copyright 2014-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#include <php.h>
	-#include <Zend/zend_hash.h>
	-#include <Zend/zend_interfaces.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "php_phongo.h"
	-#include "php_bson.h"
	-#include "phongo_compat.h"
	-#include "php_array_api.h"
	-
	-#define DEBUG 0
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "PHONGO-BSON"
	-
	-#define PHONGO_IS_CLASS_INSTANTIATABLE(ce) \
	- (!(ce->ce_flags & (ZEND_ACC_INTERFACE \| ZEND_ACC_IMPLICIT_ABSTRACT_CLASS \| ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)))
	-
	-#define PHONGO_BSON_STATE_ZCHILD(state) (&((php_phongo_bson_state*) (state))->zchild)
	-
	-#define PHONGO_FIELD_PATH_EXPANSION 8
	-
	-/* Forward declarations */
	-static bool php_phongo_bson_visit_document(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_document, void* data);
	-static bool php_phongo_bson_visit_array(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_document, void* data);
	-
	-/* Path builder */
	-char* php_phongo_field_path_as_string(php_phongo_field_path* field_path)
	-{
	- size_t length = 1; /* NULL character */
	- size_t i;
	- char* path;
	- char* ptr;
	-
	- if (!field_path) {
	- return estrdup("");
	- }
	- if (!field_path->elements) {
	- return estrdup("");
	- }
	-
	- for (i = 0; i <= field_path->size; i++) {
	- if (!field_path->elements[i]) {
	- continue;
	- }
	- length += (1 + strlen(field_path->elements[i]));
	- }
	-
	- path = emalloc(length);
	- ptr = path;
	-
	- for (i = 0; i <= field_path->size; i++) {
	- if (!field_path->elements[i]) {
	- continue;
	- }
	- strcpy(ptr, field_path->elements[i]);
	- ptr += strlen(field_path->elements[i]);
	- ptr[0] = '.';
	- ptr++;
	- }
	- ptr[-1] = '\0';
	-
	- return path;
	-}
	-
	-php_phongo_field_path* php_phongo_field_path_alloc(bool owns_elements)
	-{
	- php_phongo_field_path* tmp = ecalloc(1, sizeof(php_phongo_field_path));
	- tmp->ref_count = 1;
	- tmp->owns_elements = owns_elements;
	-
	- return tmp;
	-}
	-
	-void php_phongo_field_path_free(php_phongo_field_path* field_path)
	-{
	- if (field_path->owns_elements) {
	- size_t i;
	-
	- for (i = 0; i < field_path->size; i++) {
	- efree(field_path->elements[i]);
	- }
	- }
	- if (field_path->elements) {
	- efree(field_path->elements);
	- }
	- if (field_path->element_types) {
	- efree(field_path->element_types);
	- }
	- efree(field_path);
	-}
	-
	-static void php_phongo_field_path_ensure_allocation(php_phongo_field_path* field_path, size_t level)
	-{
	- if (level >= field_path->allocated_size) {
	- size_t i;
	-
	- field_path->allocated_size = field_path->size + PHONGO_FIELD_PATH_EXPANSION;
	- field_path->elements = erealloc(field_path->elements, sizeof(char) field_path->allocated_size);
	- field_path->element_types = erealloc(field_path->element_types, sizeof(php_phongo_bson_field_path_item_types) * field_path->allocated_size);
	-
	- for (i = level; i < field_path->allocated_size; i++) {
	- field_path->elements[i] = NULL;
	- field_path->element_types[i] = PHONGO_FIELD_PATH_ITEM_NONE;
	- }
	- }
	-}
	-
	-void php_phongo_field_path_write_item_at_current_level(php_phongo_field_path* field_path, const char* element)
	-{
	- php_phongo_field_path_ensure_allocation(field_path, field_path->size);
	-
	- if (field_path->owns_elements) {
	- field_path->elements[field_path->size] = estrdup(element);
	- } else {
	- field_path->elements[field_path->size] = (char*) element;
	- }
	-}
	-
	-void php_phongo_field_path_write_type_at_current_level(php_phongo_field_path* field_path, php_phongo_bson_field_path_item_types element_type)
	-{
	- php_phongo_field_path_ensure_allocation(field_path, field_path->size);
	-
	- field_path->element_types[field_path->size] = element_type;
	-}
	-
	-bool php_phongo_field_path_push(php_phongo_field_path* field_path, const char* element, php_phongo_bson_field_path_item_types element_type)
	-{
	- php_phongo_field_path_write_item_at_current_level(field_path, element);
	- php_phongo_field_path_write_type_at_current_level(field_path, element_type);
	-
	- field_path->size++;
	-
	- return true;
	-}
	-
	-bool php_phongo_field_path_pop(php_phongo_field_path* field_path)
	-{
	- php_phongo_field_path_ensure_allocation(field_path, field_path->size);
	-
	- field_path->elements[field_path->size] = NULL;
	- field_path->element_types[field_path->size] = PHONGO_FIELD_PATH_ITEM_NONE;
	-
	- field_path->size--;
	-
	- field_path->elements[field_path->size] = NULL;
	- field_path->element_types[field_path->size] = PHONGO_FIELD_PATH_ITEM_NONE;
	-
	- return true;
	-}
	-
	-inline static bool php_phongo_bson_state_is_initialized(php_phongo_bson_state* state)
	-{
	- return state->field_path != NULL;
	-}
	-
	-void php_phongo_bson_state_ctor(php_phongo_bson_state* state)
	-{
	- state->field_path = php_phongo_field_path_alloc(false);
	-}
	-
	-void php_phongo_bson_state_copy_ctor(php_phongo_bson_state* dst, php_phongo_bson_state* src)
	-{
	- dst->map = src->map;
	- if (src->field_path) {
	- src->field_path->ref_count++;
	- }
	- dst->field_path = src->field_path;
	-}
	-
	-void php_phongo_bson_state_dtor(php_phongo_bson_state* state)
	-{
	- if (state->field_path) {
	- state->field_path->ref_count--;
	-
	- if (state->field_path->ref_count < 1) {
	- php_phongo_field_path_free(state->field_path);
	- }
	- state->field_path = NULL;
	- }
	-} /* }}} */
	-
	-static void php_phongo_bson_visit_corrupt(const bson_iter_t* iter ARG_UNUSED, void* data ARG_UNUSED) /* {{{ */
	-{
	- mongoc_log(MONGOC_LOG_LEVEL_WARNING, MONGOC_LOG_DOMAIN, "Corrupt BSON data detected!");
	-} /* }}} */
	-
	-static void php_phongo_bson_visit_unsupported_type(const bson_iter_t* iter ARG_UNUSED, const char* key, uint32_t v_type_code, void* data ARG_UNUSED) /* {{{ */
	-{
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- char* path_string;
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	- path_string = php_phongo_field_path_as_string(state->field_path);
	-
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected unknown BSON type 0x%02hhx for field path \"%s\". Are you using the latest driver?", (unsigned char) v_type_code, path_string);
	-
	- efree(path_string);
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_double(const bson_iter_t* iter ARG_UNUSED, const char* key, double v_double, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- if (state->is_visiting_array) {
	- add_next_index_double(retval, v_double);
	- } else {
	- add_assoc_double(retval, key, v_double);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_utf8(const bson_iter_t* iter ARG_UNUSED, const char* key, size_t v_utf8_len, const char* v_utf8, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- if (state->is_visiting_array) {
	- ADD_NEXT_INDEX_STRINGL(retval, v_utf8, v_utf8_len);
	- } else {
	- ADD_ASSOC_STRING_EX(retval, key, strlen(key), v_utf8, v_utf8_len);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_bson_new_binary_from_binary_and_type(zval* object, const char* data, size_t data_len, bson_subtype_t type) /* {{{ */
	-{
	- php_phongo_binary_t* intern;
	-
	- object_init_ex(object, php_phongo_binary_ce);
	-
	- intern = Z_BINARY_OBJ_P(object);
	- intern->data = estrndup(data, data_len);
	- intern->data_len = data_len;
	- intern->type = (uint8_t) type;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_binary(const bson_iter_t* iter ARG_UNUSED, const char* key, bson_subtype_t v_subtype, size_t v_binary_len, const uint8_t* v_binary, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- if (v_subtype == 0x80 && strcmp(key, PHONGO_ODM_FIELD_NAME) == 0) {
	- zend_string* zs_classname = zend_string_init((const char*) v_binary, v_binary_len, 0);
	- zend_class_entry* found_ce = zend_fetch_class(zs_classname, ZEND_FETCH_CLASS_AUTO \| ZEND_FETCH_CLASS_SILENT);
	- zend_string_release(zs_classname);
	-
	- if (found_ce && PHONGO_IS_CLASS_INSTANTIATABLE(found_ce) && instanceof_function(found_ce, php_phongo_persistable_ce)) {
	- ((php_phongo_bson_state*) data)->odm = found_ce;
	- }
	- }
	-
	- {
	- zval zchild;
	-
	- php_phongo_bson_new_binary_from_binary_and_type(&zchild, (const char*) v_binary, v_binary_len, v_subtype);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_undefined(const bson_iter_t* iter, const char* key, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- object_init_ex(&zchild, php_phongo_undefined_ce);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_objectid_new_from_oid(zval* object, const bson_oid_t* oid) /* {{{ */
	-{
	- php_phongo_objectid_t* intern;
	-
	- object_init_ex(object, php_phongo_objectid_ce);
	-
	- intern = Z_OBJECTID_OBJ_P(object);
	- bson_oid_to_string(oid, intern->oid);
	- intern->initialized = true;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_oid(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_oid_t* v_oid, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_objectid_new_from_oid(&zchild, v_oid);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_bool(const bson_iter_t* iter ARG_UNUSED, const char* key, bool v_bool, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- if (state->is_visiting_array) {
	- add_next_index_bool(retval, v_bool);
	- } else {
	- add_assoc_bool(retval, key, v_bool);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_bson_new_utcdatetime_from_epoch(zval* object, int64_t msec_since_epoch) /* {{{ */
	-{
	- php_phongo_utcdatetime_t* intern;
	-
	- object_init_ex(object, php_phongo_utcdatetime_ce);
	-
	- intern = Z_UTCDATETIME_OBJ_P(object);
	- intern->milliseconds = msec_since_epoch;
	- intern->initialized = true;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_date_time(const bson_iter_t* iter ARG_UNUSED, const char* key, int64_t msec_since_epoch, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_bson_new_utcdatetime_from_epoch(&zchild, msec_since_epoch);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_bson_new_decimal128(zval* object, const bson_decimal128_t* decimal) /* {{{ */
	-{
	- php_phongo_decimal128_t* intern;
	-
	- object_init_ex(object, php_phongo_decimal128_ce);
	-
	- intern = Z_DECIMAL128_OBJ_P(object);
	- memcpy(&intern->decimal, decimal, sizeof(bson_decimal128_t));
	- intern->initialized = true;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_decimal128(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_decimal128_t* decimal, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_bson_new_decimal128(&zchild, decimal);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_null(const bson_iter_t* iter ARG_UNUSED, const char* key, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- if (state->is_visiting_array) {
	- add_next_index_null(retval);
	- } else {
	- add_assoc_null(retval, key);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_bson_new_regex_from_regex_and_options(zval* object, const char* pattern, const char* flags) /* {{{ */
	-{
	- php_phongo_regex_t* intern;
	-
	- object_init_ex(object, php_phongo_regex_ce);
	-
	- intern = Z_REGEX_OBJ_P(object);
	- intern->pattern_len = strlen(pattern);
	- intern->pattern = estrndup(pattern, intern->pattern_len);
	- intern->flags_len = strlen(flags);
	- intern->flags = estrndup(flags, intern->flags_len);
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_regex(const bson_iter_t* iter ARG_UNUSED, const char* key, const char* v_regex, const char* v_options, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_bson_new_regex_from_regex_and_options(&zchild, v_regex, v_options);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_bson_new_symbol(zval* object, const char* symbol, size_t symbol_len) /* {{{ */
	-{
	- php_phongo_symbol_t* intern;
	-
	- object_init_ex(object, php_phongo_symbol_ce);
	-
	- intern = Z_SYMBOL_OBJ_P(object);
	- intern->symbol = estrndup(symbol, symbol_len);
	- intern->symbol_len = symbol_len;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_symbol(const bson_iter_t* iter, const char* key, size_t v_symbol_len, const char* v_symbol, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_bson_new_symbol(&zchild, v_symbol, v_symbol_len);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_new_javascript_from_javascript_and_scope(zval* object, const char* code, size_t code_len, const bson_t* scope) /* {{{ */
	-{
	- php_phongo_javascript_t* intern;
	-
	- if (scope) {
	- php_phongo_bson_state state;
	- bool valid_scope;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- valid_scope = php_phongo_bson_to_zval_ex(bson_get_data(scope), scope->len, &state);
	- zval_ptr_dtor(&state.zchild);
	-
	- if (!valid_scope) {
	- return false;
	- }
	- }
	-
	- object_init_ex(object, php_phongo_javascript_ce);
	-
	- intern = Z_JAVASCRIPT_OBJ_P(object);
	- intern->code = estrndup(code, code_len);
	- intern->code_len = code_len;
	- intern->scope = scope ? bson_copy(scope) : NULL;
	-
	- return true;
	-} /* }}} */
	-
	-static bool php_phongo_bson_new_javascript_from_javascript(zval* object, const char* code, size_t code_len) /* {{{ */
	-{
	- return php_phongo_bson_new_javascript_from_javascript_and_scope(object, code, code_len, NULL);
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_code(const bson_iter_t* iter ARG_UNUSED, const char* key, size_t v_code_len, const char* v_code, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- if (!php_phongo_bson_new_javascript_from_javascript(&zchild, v_code, v_code_len)) {
	- return true;
	- }
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static void php_phongo_bson_new_dbpointer(zval* object, const char* ref, size_t ref_len, const bson_oid_t* oid) /* {{{ */
	-{
	- php_phongo_dbpointer_t* intern;
	-
	- object_init_ex(object, php_phongo_dbpointer_ce);
	-
	- intern = Z_DBPOINTER_OBJ_P(object);
	- intern->ref = estrndup(ref, ref_len);
	- intern->ref_len = ref_len;
	- bson_oid_to_string(oid, intern->id);
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_dbpointer(const bson_iter_t* iter, const char* key, size_t namespace_len, const char* namespace, const bson_oid_t* oid, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_bson_new_dbpointer(&zchild, namespace, namespace_len, oid);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_codewscope(const bson_iter_t* iter ARG_UNUSED, const char* key, size_t v_code_len, const char* v_code, const bson_t* v_scope, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- if (!php_phongo_bson_new_javascript_from_javascript_and_scope(&zchild, v_code, v_code_len, v_scope)) {
	- return true;
	- }
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_int32(const bson_iter_t* iter ARG_UNUSED, const char* key, int32_t v_int32, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- if (state->is_visiting_array) {
	- add_next_index_long(retval, v_int32);
	- } else {
	- add_assoc_long(retval, key, v_int32);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_timestamp(const bson_iter_t* iter ARG_UNUSED, const char* key, uint32_t v_timestamp, uint32_t v_increment, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- php_phongo_bson_new_timestamp_from_increment_and_timestamp(&zchild, v_increment, v_timestamp);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_int64(const bson_iter_t* iter ARG_UNUSED, const char* key, int64_t v_int64, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- if (state->is_visiting_array) {
	- ADD_NEXT_INDEX_INT64(retval, v_int64);
	- } else {
	- ADD_ASSOC_INT64(retval, key, v_int64);
	- }
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_maxkey(const bson_iter_t* iter ARG_UNUSED, const char* key, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- object_init_ex(&zchild, php_phongo_maxkey_ce);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_minkey(const bson_iter_t* iter ARG_UNUSED, const char* key, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	- zval zchild;
	-
	- object_init_ex(&zchild, php_phongo_minkey_ce);
	-
	- if (state->is_visiting_array) {
	- add_next_index_zval(retval, &zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &zchild);
	- }
	-
	- php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	-
	- return false;
	-} /* }}} */
	-
	-static const bson_visitor_t php_bson_visitors = {
	- NULL /* php_phongo_bson_visit_before*/,
	- NULL /php_phongo_bson_visit_after/,
	- php_phongo_bson_visit_corrupt,
	- php_phongo_bson_visit_double,
	- php_phongo_bson_visit_utf8,
	- php_phongo_bson_visit_document,
	- php_phongo_bson_visit_array,
	- php_phongo_bson_visit_binary,
	- php_phongo_bson_visit_undefined,
	- php_phongo_bson_visit_oid,
	- php_phongo_bson_visit_bool,
	- php_phongo_bson_visit_date_time,
	- php_phongo_bson_visit_null,
	- php_phongo_bson_visit_regex,
	- php_phongo_bson_visit_dbpointer,
	- php_phongo_bson_visit_code,
	- php_phongo_bson_visit_symbol,
	- php_phongo_bson_visit_codewscope,
	- php_phongo_bson_visit_int32,
	- php_phongo_bson_visit_timestamp,
	- php_phongo_bson_visit_int64,
	- php_phongo_bson_visit_maxkey,
	- php_phongo_bson_visit_minkey,
	- php_phongo_bson_visit_unsupported_type,
	- php_phongo_bson_visit_decimal128,
	- { NULL }
	-};
	-
	-static inline bool map_element_matches_field_path(php_phongo_field_path_map_element* map_element, php_phongo_field_path* current)
	-{
	- size_t i;
	-
	- if (map_element->entry->size != current->size) {
	- return false;
	- }
	- for (i = 0; i < current->size; i++) {
	- if (strcmp(map_element->entry->elements[i], "$") == 0) {
	- continue;
	- }
	- if (strcmp(map_element->entry->elements[i], current->elements[i]) != 0) {
	- return false;
	- }
	- }
	- return true;
	-}
	-
	-static php_phongo_field_path_map_element* map_find_field_path_entry(php_phongo_bson_state* state)
	-{
	- size_t i;
	-
	- /* Loop over all field path mappings, and for each, try to see whether it matches the current path */
	- for (i = 0; i < state->map.field_paths.size; i++) {
	- if (map_element_matches_field_path(state->map.field_paths.map[i], state->field_path)) {
	- return state->map.field_paths.map[i];
	- }
	- }
	- return NULL;
	-}
	-
	-static void php_phongo_handle_field_path_entry_for_compound_type(php_phongo_bson_state* state, php_phongo_bson_typemap_types* type, zend_class_entry** ce)
	-{
	- php_phongo_field_path_map_element* entry = map_find_field_path_entry(state);
	-
	- if (entry) {
	- switch (entry->node_type) {
	- case PHONGO_TYPEMAP_NATIVE_ARRAY:
	- case PHONGO_TYPEMAP_NATIVE_OBJECT:
	- *type = entry->node_type;
	- break;
	- case PHONGO_TYPEMAP_CLASS:
	- *type = entry->node_type;
	- *ce = entry->node_ce;
	- break;
	- default:
	- /* Do nothing - pacify compiler */
	- break;
	- }
	- }
	-}
	-
	-static bool php_phongo_bson_visit_document(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_document, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- bson_iter_t child;
	- php_phongo_bson_state* parent_state = (php_phongo_bson_state*) data;
	-
	- php_phongo_field_path_push(parent_state->field_path, key, PHONGO_FIELD_PATH_ITEM_DOCUMENT);
	-
	- if (bson_iter_init(&child, v_document)) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	- php_phongo_bson_state_copy_ctor(&state, parent_state);
	-
	- array_init(&state.zchild);
	-
	- if (!bson_iter_visit_all(&child, &php_bson_visitors, &state) && !child.err_off) {
	- /* Check for entries in the fieldPath type map key, and use them to
	- * override the default ones for this type */
	- php_phongo_handle_field_path_entry_for_compound_type(&state, &state.map.document_type, &state.map.document);
	-
	- /* If php_phongo_bson_visit_binary() finds an ODM class, it should
	- * supersede a default type map and named document class. */
	- if (state.odm && state.map.document_type == PHONGO_TYPEMAP_NONE) {
	- state.map.document_type = PHONGO_TYPEMAP_CLASS;
	- }
	-
	- switch (state.map.document_type) {
	- case PHONGO_TYPEMAP_NATIVE_ARRAY:
	- if (((php_phongo_bson_state*) data)->is_visiting_array) {
	- add_next_index_zval(retval, &state.zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	- }
	- break;
	-
	- case PHONGO_TYPEMAP_CLASS: {
	- zval obj;
	-
	- object_init_ex(&obj, state.odm ? state.odm : state.map.document);
	- zend_call_method_with_1_params(PHONGO_COMPAT_OBJ_P(&obj), NULL, NULL, BSON_UNSERIALIZE_FUNC_NAME, NULL, &state.zchild);
	- if (((php_phongo_bson_state*) data)->is_visiting_array) {
	- add_next_index_zval(retval, &obj);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &obj);
	- }
	- zval_ptr_dtor(&state.zchild);
	- break;
	- }
	-
	- case PHONGO_TYPEMAP_NATIVE_OBJECT:
	- default:
	- convert_to_object(&state.zchild);
	- if (((php_phongo_bson_state*) data)->is_visiting_array) {
	- add_next_index_zval(retval, &state.zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	- }
	- }
	- } else {
	- /* Iteration stopped prematurely due to corruption or a failed
	- * visitor. Free state.zchild, which we just initialized, and return
	- * true to stop iteration for our parent context. */
	- zval_ptr_dtor(&state.zchild);
	- php_phongo_bson_state_dtor(&state);
	- return true;
	- }
	-
	- php_phongo_bson_state_dtor(&state);
	- php_phongo_field_path_pop(parent_state->field_path);
	- }
	-
	- return false;
	-} /* }}} */
	-
	-static bool php_phongo_bson_visit_array(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_array, void* data) /* {{{ */
	-{
	- zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	- bson_iter_t child;
	- php_phongo_bson_state* parent_state = (php_phongo_bson_state*) data;
	-
	- php_phongo_field_path_push(parent_state->field_path, key, PHONGO_FIELD_PATH_ITEM_ARRAY);
	-
	- if (bson_iter_init(&child, v_array)) {
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	- php_phongo_bson_state_copy_ctor(&state, parent_state);
	-
	- /* Note that we are visiting an array, so element visitors know to use
	- * add_next_index() (i.e. disregard BSON keys) instead of add_assoc()
	- * when building the PHP array.
	- */
	- state.is_visiting_array = true;
	-
	- array_init(&state.zchild);
	-
	- if (!bson_iter_visit_all(&child, &php_bson_visitors, &state) && !child.err_off) {
	- /* Check for entries in the fieldPath type map key, and use them to
	- * override the default ones for this type */
	- php_phongo_handle_field_path_entry_for_compound_type(&state, &state.map.array_type, &state.map.array);
	-
	- switch (state.map.array_type) {
	- case PHONGO_TYPEMAP_CLASS: {
	- zval obj;
	-
	- object_init_ex(&obj, state.map.array);
	- zend_call_method_with_1_params(PHONGO_COMPAT_OBJ_P(&obj), NULL, NULL, BSON_UNSERIALIZE_FUNC_NAME, NULL, &state.zchild);
	- if (((php_phongo_bson_state*) data)->is_visiting_array) {
	- add_next_index_zval(retval, &obj);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &obj);
	- }
	- zval_ptr_dtor(&state.zchild);
	- break;
	- }
	-
	- case PHONGO_TYPEMAP_NATIVE_OBJECT:
	- convert_to_object(&state.zchild);
	- if (((php_phongo_bson_state*) data)->is_visiting_array) {
	- add_next_index_zval(retval, &state.zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	- }
	- break;
	-
	- case PHONGO_TYPEMAP_NATIVE_ARRAY:
	- default:
	- if (((php_phongo_bson_state*) data)->is_visiting_array) {
	- add_next_index_zval(retval, &state.zchild);
	- } else {
	- ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	- }
	- break;
	- }
	- } else {
	- /* Iteration stopped prematurely due to corruption or a failed
	- * visitor. Free state.zchild, which we just initialized, and return
	- * true to stop iteration for our parent context. */
	- zval_ptr_dtor(&state.zchild);
	- php_phongo_bson_state_dtor(&state);
	- return true;
	- }
	-
	- php_phongo_bson_state_dtor(&state);
	- php_phongo_field_path_pop(parent_state->field_path);
	- }
	-
	- return false;
	-} /* }}} */
	-
	-/* Converts a BSON document to a PHP value using the default typemap. */
	-bool php_phongo_bson_to_zval(const unsigned char* data, int data_len, zval* zv) /* {{{ */
	-{
	- bool retval;
	- php_phongo_bson_state state;
	-
	- PHONGO_BSON_INIT_STATE(state);
	-
	- retval = php_phongo_bson_to_zval_ex(data, data_len, &state);
	- ZVAL_ZVAL(zv, &state.zchild, 1, 1);
	-
	- return retval;
	-} /* }}} */
	-
	-/* Converts a BSON value to a ZVAL. */
	-bool php_phongo_bson_value_to_zval(const bson_value_t* value, zval* zv) /* {{{ */
	-{
	- bson_t bson = BSON_INITIALIZER;
	- php_phongo_bson_state state;
	- zval* return_value;
	- bool retval = false;
	-
	- PHONGO_BSON_INIT_STATE(state);
	- state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	-
	- bson_append_value(&bson, "data", 4, value);
	- if (!php_phongo_bson_to_zval_ex(bson_get_data(&bson), bson.len, &state)) {
	- /* Exception already thrown */
	- goto cleanup;
	- }
	-
	- retval = true;
	-
	- return_value = php_array_fetchc(&state.zchild, "data");
	-
	- if (return_value) {
	- ZVAL_ZVAL(zv, return_value, 1, 0);
	- }
	-
	-cleanup:
	- zval_ptr_dtor(&state.zchild);
	- return retval;
	-} /* }}} */
	-
	-/* Converts a BSON document to a PHP value according to the typemap specified in
	- * the state argument.
	- *
	- * On success, the result will be set on the state argument and true will be
	- * returned. On error, an exception will have been thrown and false will be
	- * returned.
	- *
	- * Note: the result zval in the state argument will always be initialized for
	- * PHP 5.x so that the caller may always zval_ptr_dtor() it. The zval is left
	- * as-is on PHP 7; however, it should have the type undefined if the state
	- * was initialized to zero.
	- */
	-bool php_phongo_bson_to_zval_ex(const unsigned char* data, int data_len, php_phongo_bson_state* state) /* {{{ */
	-{
	- bson_reader_t* reader = NULL;
	- bson_iter_t iter;
	- const bson_t* b;
	- bool eof = false;
	- bool retval = false;
	- bool must_dtor_state = false;
	-
	- if (!php_phongo_bson_state_is_initialized(state)) {
	- php_phongo_bson_state_ctor(state);
	- must_dtor_state = true;
	- }
	-
	- reader = bson_reader_new_from_data(data, data_len);
	-
	- if (!(b = bson_reader_read(reader, NULL))) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not read document from BSON reader");
	-
	- goto cleanup;
	- }
	-
	- if (!bson_iter_init(&iter, b)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not initialize BSON iterator");
	-
	- goto cleanup;
	- }
	-
	- /* We initialize an array because it will either be returned as-is (native
	- * array in type map), passed to bsonUnserialize() (ODM class), or used to
	- * initialize a stdClass object (native object in type map). */
	- array_init(&state->zchild);
	-
	- if (bson_iter_visit_all(&iter, &php_bson_visitors, state) \|\| iter.err_off) {
	- /* Iteration stopped prematurely due to corruption or a failed visitor.
	- * While we free the reader, state->zchild should be left as-is, since
	- * the calling code may want to zval_ptr_dtor() it. If an exception has
	- * been thrown already (due to an unsupported BSON type for example,
	- * don't overwrite with a generic exception message. */
	- if (!EG(exception)) {
	- char* path = php_phongo_field_path_as_string(state->field_path);
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected corrupt BSON data for field path '%s' at offset %d", path, iter.err_off);
	- efree(path);
	- }
	-
	- goto cleanup;
	- }
	-
	- /* If php_phongo_bson_visit_binary() finds an ODM class, it should supersede
	- * a default type map and named root class. */
	- if (state->odm && state->map.root_type == PHONGO_TYPEMAP_NONE) {
	- state->map.root_type = PHONGO_TYPEMAP_CLASS;
	- }
	-
	- switch (state->map.root_type) {
	- case PHONGO_TYPEMAP_NATIVE_ARRAY:
	- /* Nothing to do here */
	- break;
	-
	- case PHONGO_TYPEMAP_CLASS: {
	- zval obj;
	-
	- object_init_ex(&obj, state->odm ? state->odm : state->map.root);
	- zend_call_method_with_1_params(PHONGO_COMPAT_OBJ_P(&obj), NULL, NULL, BSON_UNSERIALIZE_FUNC_NAME, NULL, &state->zchild);
	- zval_ptr_dtor(&state->zchild);
	- ZVAL_COPY_VALUE(&state->zchild, &obj);
	-
	- break;
	- }
	-
	- case PHONGO_TYPEMAP_NATIVE_OBJECT:
	- default:
	- convert_to_object(&state->zchild);
	- }
	-
	- if (bson_reader_read(reader, &eof) \|\| !eof) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Reading document did not exhaust input buffer");
	-
	- goto cleanup;
	- }
	-
	- retval = true;
	-
	-cleanup:
	- if (reader) {
	- bson_reader_destroy(reader);
	- }
	- if (must_dtor_state) {
	- php_phongo_bson_state_dtor(state);
	- }
	-
	- return retval;
	-} /* }}} */
	-
	-/* Fetches a zend_class_entry for the given class name and checks that it is
	- * also instantiatable and implements a specified interface. Returns the class
	- * on success; otherwise, NULL is returned and an exception is thrown. */
	-static zend_class_entry* php_phongo_bson_state_fetch_class(const char* classname, int classname_len, zend_class_entry* interface_ce) /* {{{ */
	-{
	- zend_string* zs_classname = zend_string_init(classname, classname_len, 0);
	- zend_class_entry* found_ce = zend_fetch_class(zs_classname, ZEND_FETCH_CLASS_AUTO \| ZEND_FETCH_CLASS_SILENT);
	- zend_string_release(zs_classname);
	-
	- if (!found_ce) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Class %s does not exist", classname);
	- } else if (!PHONGO_IS_CLASS_INSTANTIATABLE(found_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Class %s is not instantiatable", classname);
	- } else if (!instanceof_function(found_ce, interface_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Class %s does not implement %s", classname, ZSTR_VAL(interface_ce->name));
	- } else {
	- return found_ce;
	- }
	-
	- return NULL;
	-} /* }}} */
	-
	-/* Parses a BSON type (i.e. array, document, or root). On success, the type and
	- * type_ce output arguments will be assigned and true will be returned;
	- * otherwise, false is returned and an exception is thrown. */
	-static bool php_phongo_bson_state_parse_type(zval* options, const char* name, php_phongo_bson_typemap_types* type, zend_class_entry** type_ce) /* {{{ */
	-{
	- char* classname;
	- int classname_len;
	- zend_bool classname_free = 0;
	- bool retval = true;
	-
	- classname = php_array_fetch_string(options, name, &classname_len, &classname_free);
	-
	- if (!classname_len) {
	- goto cleanup;
	- }
	-
	- if (!strcasecmp(classname, "array")) {
	- *type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	- *type_ce = NULL;
	- } else if (!strcasecmp(classname, "stdclass") \|\| !strcasecmp(classname, "object")) {
	- *type = PHONGO_TYPEMAP_NATIVE_OBJECT;
	- *type_ce = NULL;
	- } else {
	- if ((*type_ce = php_phongo_bson_state_fetch_class(classname, classname_len, php_phongo_unserializable_ce))) {
	- *type = PHONGO_TYPEMAP_CLASS;
	- } else {
	- retval = false;
	- }
	- }
	-
	-cleanup:
	- if (classname_free) {
	- efree(classname);
	- }
	-
	- return retval;
	-} /* }}} */
	-
	-static void field_path_map_element_set_info(php_phongo_field_path_map_element* element, php_phongo_bson_typemap_types type, zend_class_entry* ce)
	-{
	- element->node_type = type;
	- element->node_ce = ce;
	-}
	-
	-static void map_add_field_path_element(php_phongo_bson_typemap* map, php_phongo_field_path_map_element* element)
	-{
	- /* Make sure we have allocated enough */
	- if (map->field_paths.allocated_size < map->field_paths.size + 1) {
	- map->field_paths.allocated_size += PHONGO_FIELD_PATH_EXPANSION;
	- map->field_paths.map = erealloc(map->field_paths.map, sizeof(php_phongo_field_path_map_element) * map->field_paths.allocated_size);
	- }
	-
	- map->field_paths.map[map->field_paths.size] = element;
	- map->field_paths.size++;
	-}
	-
	-static php_phongo_field_path_map_element* field_path_map_element_alloc(void)
	-{
	- php_phongo_field_path_map_element* tmp = ecalloc(1, sizeof(php_phongo_field_path_map_element));
	-
	- tmp->entry = php_phongo_field_path_alloc(true);
	-
	- return tmp;
	-}
	-
	-static void field_path_map_element_dtor(php_phongo_field_path_map_element* element)
	-{
	- php_phongo_field_path_free(element->entry);
	- efree(element);
	-}
	-
	-bool php_phongo_bson_state_add_field_path(php_phongo_bson_typemap* map, char* field_path_original, php_phongo_bson_typemap_types type, zend_class_entry* ce)
	-{
	- char* ptr = NULL;
	- char* segment_end = NULL;
	- php_phongo_field_path_map_element* field_path_map_element;
	-
	- if (field_path_original[0] == '.') {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "A 'fieldPaths' key may not start with a '.'");
	- return false;
	- }
	-
	- if (field_path_original[strlen(field_path_original) - 1] == '.') {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "A 'fieldPaths' key may not end with a '.'");
	- return false;
	- }
	-
	- field_path_map_element = field_path_map_element_alloc();
	- ptr = field_path_original;
	-
	- /* Loop over all the segments. A segment is delimited by a "." */
	- while ((segment_end = strchr(ptr, '.')) != NULL) {
	- char* tmp = NULL;
	-
	- /* Bail out if we have an empty segment */
	- if (ptr == segment_end) {
	- field_path_map_element_dtor(field_path_map_element);
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "A 'fieldPaths' key may not have an empty segment");
	- return false;
	- }
	-
	- tmp = calloc(1, segment_end - ptr + 1);
	- memcpy(tmp, ptr, segment_end - ptr);
	- php_phongo_field_path_push(field_path_map_element->entry, tmp, PHONGO_FIELD_PATH_ITEM_NONE);
	- free(tmp);
	-
	- ptr = segment_end + 1;
	- }
	-
	- /* Add the last (or single) element */
	- php_phongo_field_path_push(field_path_map_element->entry, ptr, PHONGO_FIELD_PATH_ITEM_NONE);
	-
	- field_path_map_element_set_info(field_path_map_element, type, ce);
	- map_add_field_path_element(map, field_path_map_element);
	-
	- return true;
	-}
	-
	-void php_phongo_bson_typemap_dtor(php_phongo_bson_typemap* map)
	-{
	- size_t i;
	-
	- if (map->field_paths.map) {
	- for (i = 0; i < map->field_paths.size; i++) {
	- field_path_map_element_dtor(map->field_paths.map[i]);
	- }
	- efree(map->field_paths.map);
	- }
	-
	- map->field_paths.map = NULL;
	-}
	-
	-/* Loops over each element in the fieldPaths array (if exists, and is an
	- * array), and then checks whether each element is a valid type mapping */
	-bool php_phongo_bson_state_parse_fieldpaths(zval* typemap, php_phongo_bson_typemap* map) /* {{{ */
	-{
	- zval* fieldpaths = NULL;
	- HashTable* ht_data;
	-
	- if (!php_array_existsc(typemap, "fieldPaths")) {
	- return true;
	- }
	-
	- fieldpaths = php_array_fetchc_array(typemap, "fieldPaths");
	-
	- if (!fieldpaths) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The 'fieldPaths' element is not an array");
	- return false;
	- }
	-
	- ht_data = HASH_OF(fieldpaths);
	-
	- {
	- zend_string* string_key = NULL;
	- zend_ulong num_key = 0;
	- zval* property;
	-
	- ZEND_HASH_FOREACH_KEY_VAL(ht_data, num_key, string_key, property)
	- {
	- zend_class_entry* map_ce = NULL;
	- php_phongo_bson_typemap_types map_type;
	-
	- if (!string_key) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The 'fieldPaths' element is not an associative array");
	- return false;
	- }
	-
	- if (strcmp(ZSTR_VAL(string_key), "") == 0) {
	- phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The 'fieldPaths' element may not be an empty string");
	- return false;
	- }
	-
	- if (!php_phongo_bson_state_parse_type(fieldpaths, ZSTR_VAL(string_key), &map_type, &map_ce)) {
	- return false;
	- }
	-
	- if (!php_phongo_bson_state_add_field_path(map, ZSTR_VAL(string_key), map_type, map_ce)) {
	- return false;
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-
	- return true;
	-} /* }}} */
	-
	-#if DEBUG
	-static void print_node_info(php_phongo_field_path_node* ptr, int level)
	-{
	- printf("%sNAME: %s\n", level 4, "", ptr->name);
	- printf("%s- type:", level 4, "");
	- switch (ptr->node_type) {
	- case PHONGO_TYPEMAP_NONE:
	- printf(" none (unset)\n");
	- break;
	- case PHONGO_TYPEMAP_CLASS:
	- printf(" class (%s)\n", ZSTR_VAL(ptr->node_ce->name));
	- break;
	- case PHONGO_TYPEMAP_NATIVE_ARRAY:
	- printf(" array\n");
	- break;
	- case PHONGO_TYPEMAP_NATIVE_OBJECT:
	- printf(" stdClass\n");
	- break;
	- }
	-}
	-
	-static void print_map_list(php_phongo_field_path_node* node, int level)
	-{
	- php_phongo_field_path_node* ptr = node->children;
	-
	- if (!ptr) {
	- return;
	- }
	-
	- do {
	- print_node_info(ptr, level);
	- if (ptr->children) {
	- printf("%s- children:\n", level 4, "");
	- print_map_list(ptr, level + 1);
	- }
	- ptr = ptr->next;
	- } while (ptr);
	-}
	-#endif
	-
	-/* Applies the array argument to a typemap struct. Returns true on success;
	- * otherwise, false is returned an an exception is thrown. */
	-bool php_phongo_bson_typemap_to_state(zval* typemap, php_phongo_bson_typemap* map) /* {{{ */
	-{
	- if (!typemap) {
	- return true;
	- }
	-
	- if (!php_phongo_bson_state_parse_type(typemap, "array", &map->array_type, &map->array) \|\|
	- !php_phongo_bson_state_parse_type(typemap, "document", &map->document_type, &map->document) \|\|
	- !php_phongo_bson_state_parse_type(typemap, "root", &map->root_type, &map->root) \|\|
	- !php_phongo_bson_state_parse_fieldpaths(typemap, map)) {
	-
	- /* Exception should already have been thrown */
	- return false;
	- }
	-#if DEBUG
	- print_map_list(&map->field_path_map, 0);
	-#endif
	- return true;
	-} /* }}} */
	-
	-void php_phongo_bson_new_timestamp_from_increment_and_timestamp(zval* object, uint32_t increment, uint32_t timestamp) /* {{{ */
	-{
	- php_phongo_timestamp_t* intern;
	-
	- object_init_ex(object, php_phongo_timestamp_ce);
	-
	- intern = Z_TIMESTAMP_OBJ_P(object);
	- intern->increment = increment;
	- intern->timestamp = timestamp;
	- intern->initialized = true;
	-} /* }}} */
	-
	-void php_phongo_bson_new_int64(zval* object, int64_t integer) /* {{{ */
	-{
	- php_phongo_int64_t* intern;
	-
	- object_init_ex(object, php_phongo_int64_ce);
	-
	- intern = Z_INT64_OBJ_P(object);
	- intern->integer = integer;
	- intern->initialized = true;
	-} /* }}} */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-thread-private.h b/mongodb-1.12.0/src/libmongoc/src/common/common-thread-private.h
	deleted file mode 100644
	index 8d560f28..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/common/common-thread-private.h
	+++ /dev/null
	@@ -1,183 +0,0 @@
	-/*
	- * Copyright 2013-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "common-prelude.h"
	-#include "common-config.h"
	-#include "common-macros-private.h"
	-
	-#ifndef COMMON_THREAD_PRIVATE_H
	-#define COMMON_THREAD_PRIVATE_H
	-
	-#define BSON_INSIDE
	-#include "bson/bson-compat.h"
	-#include "bson/bson-config.h"
	-#include "bson/bson-macros.h"
	-#undef BSON_INSIDE
	-
	-BSON_BEGIN_DECLS
	-
	-#if defined(BSON_OS_UNIX)
	-#include <pthread.h>
	-
	-#define BSON_ONCE_FUN(n) void n (void)
	-#define BSON_ONCE_RETURN return
	-#define BSON_ONCE_INIT PTHREAD_ONCE_INIT
	-#define bson_once pthread_once
	-#define bson_once_t pthread_once_t
	-#define bson_thread_t pthread_t
	-#define BSON_THREAD_FUN(_function_name, _arg_name) \
	- void (_function_name) (void (_arg_name))
	-#define BSON_THREAD_FUN_TYPE(_function_name) void ((_function_name)) (void *)
	-#define BSON_THREAD_RETURN return NULL
	-
	-/* this macro can be defined as a as a build configuration option
	- * with -DENABLE_DEBUG_ASSERTIONS=ON. its purpose is to allow for functions
	- * that require a mutex to be locked on entry to assert that the mutex
	- * is actually locked.
	- * this can prevent bugs where a caller forgets to lock the mutex. */
	-
	-#ifndef MONGOC_ENABLE_DEBUG_ASSERTIONS
	-
	-#define bson_mutex_destroy pthread_mutex_destroy
	-#define bson_mutex_init(_n) pthread_mutex_init ((_n), NULL)
	-#define bson_mutex_lock pthread_mutex_lock
	-#define bson_mutex_t pthread_mutex_t
	-#define bson_mutex_unlock pthread_mutex_unlock
	-
	-#else
	-typedef struct {
	- pthread_t lock_owner;
	- pthread_mutex_t wrapped_mutex;
	- bool valid_tid;
	-} bson_mutex_t;
	-
	-#define bson_mutex_destroy(mutex) \
	- do { \
	- pthread_mutex_destroy (&(mutex)->wrapped_mutex); \
	- } while (0);
	-
	-#define bson_mutex_init(mutex) \
	- do { \
	- pthread_mutex_init (&(mutex)->wrapped_mutex, NULL); \
	- (mutex)->valid_tid = false; \
	- } while (0);
	-
	-#define bson_mutex_lock(mutex) \
	- do { \
	- pthread_mutex_lock (&(mutex)->wrapped_mutex); \
	- (mutex)->lock_owner = pthread_self (); \
	- (mutex)->valid_tid = true; \
	- } while (0);
	-
	-#define bson_mutex_unlock(mutex) \
	- do { \
	- (mutex)->valid_tid = false; \
	- pthread_mutex_unlock (&(mutex)->wrapped_mutex); \
	- } while (0);
	-
	-#endif
	-
	-#else
	-#include <process.h>
	-#define BSON_ONCE_FUN(n) \
	- BOOL CALLBACK n (PINIT_ONCE _ignored_a, PVOID _ignored_b, PVOID *_ignored_c)
	-#define BSON_ONCE_INIT INIT_ONCE_STATIC_INIT
	-#define BSON_ONCE_RETURN return true
	-#define bson_mutex_destroy DeleteCriticalSection
	-#define bson_mutex_init InitializeCriticalSection
	-#define bson_mutex_lock EnterCriticalSection
	-#define bson_mutex_t CRITICAL_SECTION
	-#define bson_mutex_unlock LeaveCriticalSection
	-#define bson_once(o, c) InitOnceExecuteOnce (o, c, NULL, NULL)
	-#define bson_once_t INIT_ONCE
	-#define bson_thread_t HANDLE
	-#define BSON_THREAD_FUN(_function_name, _arg_name) \
	- unsigned (__stdcall _function_name) (void *(_arg_name))
	-#define BSON_THREAD_FUN_TYPE(_function_name) \
	- unsigned (__stdcall * _function_name) (void *)
	-#define BSON_THREAD_RETURN return 0
	-#endif
	-
	-/* Functions that require definitions get the common prefix (_mongoc for
	- * libmongoc or _bson for libbson) to avoid duplicate symbols when linking both
	- * libbson and libmongoc statically. */
	-int COMMON_PREFIX (thread_join) (bson_thread_t thread);
	-int COMMON_PREFIX (thread_create) (bson_thread_t *thread,
	- BSON_THREAD_FUN_TYPE (func),
	- void *arg);
	-
	-#if defined(MONGOC_ENABLE_DEBUG_ASSERTIONS) && defined(BSON_OS_UNIX)
	-bool COMMON_PREFIX (mutex_is_locked) (bson_mutex_t *mutex);
	-#endif
	-
	-/**
	- * @brief A shared mutex (a read-write lock)
	- *
	- * A shared mutex can be locked in 'shared' mode or 'exclusive' mode. Only one
	- * thread may hold exclusive mode at a time. Any number of threads may hold
	- * the lock in shared mode simultaneously. No thread can hold in exclusive mode
	- * while another thread holds in shared mode, and vice-versa.
	- */
	-typedef struct bson_shared_mutex_t {
	- BSON_IF_WINDOWS (SRWLOCK native;)
	- BSON_IF_POSIX (pthread_rwlock_t native;)
	-} bson_shared_mutex_t;
	-
	-static BSON_INLINE void
	-bson_shared_mutex_init (bson_shared_mutex_t *mtx)
	-{
	- BSON_IF_WINDOWS (InitializeSRWLock (&mtx->native));
	- BSON_IF_POSIX (pthread_rwlock_init (&mtx->native, NULL));
	-}
	-
	-static BSON_INLINE void
	-bson_shared_mutex_destroy (bson_shared_mutex_t *mtx)
	-{
	- BSON_IF_WINDOWS ((void) mtx;)
	- BSON_IF_POSIX (pthread_rwlock_destroy (&mtx->native);)
	-}
	-
	-static BSON_INLINE void
	-bson_shared_mutex_lock_shared (bson_shared_mutex_t *mtx)
	-{
	- BSON_IF_WINDOWS (AcquireSRWLockShared (&mtx->native);)
	- BSON_IF_POSIX (pthread_rwlock_rdlock (&mtx->native);)
	-}
	-
	-static BSON_INLINE void
	-bson_shared_mutex_lock (bson_shared_mutex_t *mtx)
	-{
	- BSON_IF_WINDOWS (AcquireSRWLockExclusive (&mtx->native);)
	- BSON_IF_POSIX (pthread_rwlock_wrlock (&mtx->native);)
	-}
	-
	-static BSON_INLINE void
	-bson_shared_mutex_unlock (bson_shared_mutex_t *mtx)
	-{
	- BSON_IF_WINDOWS (ReleaseSRWLockExclusive (&mtx->native);)
	- BSON_IF_POSIX (pthread_rwlock_unlock (&mtx->native);)
	-}
	-
	-static BSON_INLINE void
	-bson_shared_mutex_unlock_shared (bson_shared_mutex_t *mtx)
	-{
	- BSON_IF_WINDOWS (ReleaseSRWLockShared (&mtx->native);)
	- BSON_IF_POSIX (pthread_rwlock_unlock (&mtx->native);)
	-}
	-
	-BSON_END_DECLS
	-
	-#endif /* COMMON_THREAD_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_port.c b/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_port.c
	deleted file mode 100644
	index 58f7e39e..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_port.c
	+++ /dev/null
	@@ -1,31 +0,0 @@
	-/*
	- * Copyright 2020-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "kms_port.h"
	-#if defined(_WIN32)
	-char * kms_strndup (const char *src, size_t len)
	-{
	- char dst = (char ) malloc (len + 1);
	- if (!dst) {
	- return 0;
	- }
	-
	- memcpy (dst, src, len);
	- dst[len] = '\0';
	-
	- return dst;
	-}
	-#endif
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-atomic.c b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-atomic.c
	deleted file mode 100644
	index b89aaf16..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-atomic.c
	+++ /dev/null
	@@ -1,247 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "bson-atomic.h"
	-
	-#ifdef BSON_OS_UNIX
	-/* For sched_yield() */
	-#include <sched.h>
	-#endif
	-
	-int32_t
	-bson_atomic_int_add (volatile int32_t *p, int32_t n)
	-{
	- return n + bson_atomic_int32_fetch_add (p, n, bson_memory_order_seq_cst);
	-}
	-
	-int64_t
	-bson_atomic_int64_add (volatile int64_t *p, int64_t n)
	-{
	- return n + bson_atomic_int64_fetch_add (p, n, bson_memory_order_seq_cst);
	-}
	-
	-void
	-bson_thrd_yield (void)
	-{
	- BSON_IF_WINDOWS (SwitchToThread ();)
	- BSON_IF_POSIX (sched_yield ();)
	-}
	-
	-void
	-bson_memory_barrier (void)
	-{
	- bson_atomic_thread_fence ();
	-}
	-
	-/**
	- * Some platforms do not support compiler intrinsics for atomic operations.
	- * We emulate that here using a spin lock and regular arithmetic operations
	- */
	-static int8_t gEmulAtomicLock = 0;
	-
	-static void
	-_lock_emul_atomic ()
	-{
	- int i;
	- if (bson_atomic_int8_compare_exchange_weak (
	- &gEmulAtomicLock, 0, 1, bson_memory_order_acquire) == 0) {
	- /* Successfully took the spinlock */
	- return;
	- }
	- /* Failed. Try taking ten more times, then begin sleeping. */
	- for (i = 0; i < 10; ++i) {
	- if (bson_atomic_int8_compare_exchange_weak (
	- &gEmulAtomicLock, 0, 1, bson_memory_order_acquire) == 0) {
	- /* Succeeded in taking the lock */
	- return;
	- }
	- }
	- /* Still don't have the lock. Spin and yield */
	- while (bson_atomic_int8_compare_exchange_weak (
	- &gEmulAtomicLock, 0, 1, bson_memory_order_acquire) != 0) {
	- bson_thrd_yield ();
	- }
	-}
	-
	-static void
	-_unlock_emul_atomic ()
	-{
	- int64_t rv = bson_atomic_int8_exchange (
	- &gEmulAtomicLock, 0, bson_memory_order_release);
	- BSON_ASSERT (rv == 1 && "Released atomic lock while not holding it");
	-}
	-
	-int64_t
	-_bson_emul_atomic_int64_fetch_add (volatile int64_t *p,
	- int64_t n,
	- enum bson_memory_order _unused)
	-{
	- int64_t ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- *p += n;
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int64_t
	-_bson_emul_atomic_int64_exchange (volatile int64_t *p,
	- int64_t n,
	- enum bson_memory_order _unused)
	-{
	- int64_t ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- *p = n;
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int64_t
	-_bson_emul_atomic_int64_compare_exchange_strong (volatile int64_t *p,
	- int64_t expect_value,
	- int64_t new_value,
	- enum bson_memory_order _unused)
	-{
	- int64_t ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- if (ret == expect_value) {
	- *p = new_value;
	- }
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int64_t
	-_bson_emul_atomic_int64_compare_exchange_weak (volatile int64_t *p,
	- int64_t expect_value,
	- int64_t new_value,
	- enum bson_memory_order order)
	-{
	- /* We're emulating. We can't do a weak version. */
	- return _bson_emul_atomic_int64_compare_exchange_strong (
	- p, expect_value, new_value, order);
	-}
	-
	-
	-int32_t
	-_bson_emul_atomic_int32_fetch_add (volatile int32_t *p,
	- int32_t n,
	- enum bson_memory_order _unused)
	-{
	- int32_t ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- *p += n;
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int32_t
	-_bson_emul_atomic_int32_exchange (volatile int32_t *p,
	- int32_t n,
	- enum bson_memory_order _unused)
	-{
	- int32_t ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- *p = n;
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int32_t
	-_bson_emul_atomic_int32_compare_exchange_strong (volatile int32_t *p,
	- int32_t expect_value,
	- int32_t new_value,
	- enum bson_memory_order _unused)
	-{
	- int32_t ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- if (ret == expect_value) {
	- *p = new_value;
	- }
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int32_t
	-_bson_emul_atomic_int32_compare_exchange_weak (volatile int32_t *p,
	- int32_t expect_value,
	- int32_t new_value,
	- enum bson_memory_order order)
	-{
	- /* We're emulating. We can't do a weak version. */
	- return _bson_emul_atomic_int32_compare_exchange_strong (
	- p, expect_value, new_value, order);
	-}
	-
	-
	-int
	-_bson_emul_atomic_int_fetch_add (volatile int *p,
	- int n,
	- enum bson_memory_order _unused)
	-{
	- int ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- *p += n;
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int
	-_bson_emul_atomic_int_exchange (volatile int *p,
	- int n,
	- enum bson_memory_order _unused)
	-{
	- int ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- *p = n;
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int
	-_bson_emul_atomic_int_compare_exchange_strong (volatile int *p,
	- int expect_value,
	- int new_value,
	- enum bson_memory_order _unused)
	-{
	- int ret;
	- _lock_emul_atomic ();
	- ret = *p;
	- if (ret == expect_value) {
	- *p = new_value;
	- }
	- _unlock_emul_atomic ();
	- return ret;
	-}
	-
	-int
	-_bson_emul_atomic_int_compare_exchange_weak (volatile int *p,
	- int expect_value,
	- int new_value,
	- enum bson_memory_order order)
	-{
	- /* We're emulating. We can't do a weak version. */
	- return _bson_emul_atomic_int_compare_exchange_strong (
	- p, expect_value, new_value, order);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-atomic.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-atomic.h
	deleted file mode 100644
	index 190283b3..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-atomic.h
	+++ /dev/null
	@@ -1,754 +0,0 @@
	-/*
	- * Copyright 2013-2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-prelude.h"
	-
	-
	-#ifndef BSON_ATOMIC_H
	-#define BSON_ATOMIC_H
	-
	-
	-#include "bson-config.h"
	-#include "bson-compat.h"
	-#include "bson-macros.h"
	-
	-#ifdef _MSC_VER
	-#include <intrin.h>
	-#endif
	-
	-
	-BSON_BEGIN_DECLS
	-
	-enum bson_memory_order {
	- bson_memory_order_seq_cst,
	- bson_memory_order_acquire,
	- bson_memory_order_release,
	- bson_memory_order_relaxed,
	- bson_memory_order_acq_rel,
	- bson_memory_order_consume,
	-};
	-
	-#if defined(_M_ARM) /* MSVC memorder atomics are only avail on ARM */
	-#define MSVC_MEMORDER_SUFFIX(X) X
	-#else
	-#define MSVC_MEMORDER_SUFFIX(X)
	-#endif
	-
	-#if defined(USE_LEGACY_GCC_ATOMICS) \|\| \
	- (!defined(__clang__) && __GNUC__ == 4)
	-#define BSON_USE_LEGACY_GCC_ATOMICS
	-#else
	-#undef BSON_USE_LEGACY_GCC_ATOMICS
	-#endif
	-
	-/* Not all GCC-like compilers support the current __atomic built-ins. Older
	- * GCC (pre-5) used different built-ins named with the __sync prefix. When
	- * compiling with such older GCC versions, it is necessary to use the applicable
	- * functions, which requires redefining BSON_IF_GNU_LIKE and defining the
	- * additional BSON_IF_GNU_LEGACY_ATOMICS macro here. */
	-#ifdef BSON_USE_LEGACY_GCC_ATOMICS
	-#undef BSON_IF_GNU_LIKE
	-#define BSON_IF_GNU_LIKE(...)
	-#define BSON_IF_GNU_LEGACY_ATOMICS(...) __VA_ARGS__
	-#else
	-#define BSON_IF_GNU_LEGACY_ATOMICS(...)
	-#endif
	-
	-/* CDRIVER-4229 zSeries with gcc 4.8.4 produces illegal instructions for int and
	- * int32 atomic intrinsics. */
	-#if defined(__s390__) \|\| defined(__s390x__) \|\| defined(__zarch__)
	-#define BSON_EMULATE_INT32
	-#define BSON_EMULATE_INT
	-#endif
	-
	-#define DEF_ATOMIC_OP(MSVC_Intrinsic, GNU_Intrinsic, GNU_Legacy_Intrinsic, Order, ...) \
	- do { \
	- switch (Order) { \
	- case bson_memory_order_acq_rel: \
	- BSON_IF_MSVC (return MSVC_Intrinsic (__VA_ARGS__);) \
	- BSON_IF_GNU_LIKE ( \
	- return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_ACQ_REL);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	- case bson_memory_order_seq_cst: \
	- BSON_IF_MSVC (return MSVC_Intrinsic (__VA_ARGS__);) \
	- BSON_IF_GNU_LIKE ( \
	- return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_SEQ_CST);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	- case bson_memory_order_acquire: \
	- BSON_IF_MSVC ( \
	- return BSON_CONCAT (MSVC_Intrinsic, \
	- MSVC_MEMORDER_SUFFIX (_acq)) (__VA_ARGS__);) \
	- BSON_IF_GNU_LIKE ( \
	- return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_ACQUIRE);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	- case bson_memory_order_consume: \
	- BSON_IF_MSVC ( \
	- return BSON_CONCAT (MSVC_Intrinsic, \
	- MSVC_MEMORDER_SUFFIX (_acq)) (__VA_ARGS__);) \
	- BSON_IF_GNU_LIKE ( \
	- return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_CONSUME);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	- case bson_memory_order_release: \
	- BSON_IF_MSVC ( \
	- return BSON_CONCAT (MSVC_Intrinsic, \
	- MSVC_MEMORDER_SUFFIX (_rel)) (__VA_ARGS__);) \
	- BSON_IF_GNU_LIKE ( \
	- return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_RELEASE);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	- case bson_memory_order_relaxed: \
	- BSON_IF_MSVC ( \
	- return BSON_CONCAT (MSVC_Intrinsic, \
	- MSVC_MEMORDER_SUFFIX (_nf)) (__VA_ARGS__);) \
	- BSON_IF_GNU_LIKE ( \
	- return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_RELAXED);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	- default: \
	- BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	- } \
	- } while (0)
	-
	-
	-#define DEF_ATOMIC_CMPEXCH_STRONG( \
	- VCSuffix1, VCSuffix2, GNU_MemOrder, Ptr, ExpectActualVar, NewValue) \
	- do { \
	- BSON_IF_MSVC (ExpectActualVar = BSON_CONCAT3 ( \
	- _InterlockedCompareExchange, VCSuffix1, VCSuffix2) ( \
	- Ptr, NewValue, ExpectActualVar);) \
	- BSON_IF_GNU_LIKE ( \
	- (void) __atomic_compare_exchange_n (Ptr, \
	- &ExpectActualVar, \
	- NewValue, \
	- false, /* Not weak */ \
	- GNU_MemOrder, \
	- GNU_MemOrder);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- __typeof__ (ExpectActualVar) _val; \
	- _val = __sync_val_compare_and_swap (Ptr, \
	- ExpectActualVar, \
	- NewValue); \
	- ExpectActualVar = _val;) \
	- } while (0)
	-
	-
	-#define DEF_ATOMIC_CMPEXCH_WEAK( \
	- VCSuffix1, VCSuffix2, GNU_MemOrder, Ptr, ExpectActualVar, NewValue) \
	- do { \
	- BSON_IF_MSVC (ExpectActualVar = BSON_CONCAT3 ( \
	- _InterlockedCompareExchange, VCSuffix1, VCSuffix2) ( \
	- Ptr, NewValue, ExpectActualVar);) \
	- BSON_IF_GNU_LIKE ( \
	- (void) __atomic_compare_exchange_n (Ptr, \
	- &ExpectActualVar, \
	- NewValue, \
	- true, /* Yes weak */ \
	- GNU_MemOrder, \
	- GNU_MemOrder);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- __typeof__ (ExpectActualVar) _val; \
	- _val = __sync_val_compare_and_swap (Ptr, \
	- ExpectActualVar, \
	- NewValue); \
	- ExpectActualVar = _val;) \
	- } while (0)
	-
	-
	-#define DECL_ATOMIC_INTEGRAL(NamePart, Type, VCIntrinSuffix) \
	- static BSON_INLINE Type bson_atomic_##NamePart##_fetch_add ( \
	- Type volatile *a, Type addend, enum bson_memory_order ord) \
	- { \
	- DEF_ATOMIC_OP (BSON_CONCAT (_InterlockedExchangeAdd, VCIntrinSuffix), \
	- __atomic_fetch_add, \
	- __sync_fetch_and_add, \
	- ord, \
	- a, \
	- addend); \
	- } \
	- \
	- static BSON_INLINE Type bson_atomic_##NamePart##_fetch_sub ( \
	- Type volatile *a, Type subtrahend, enum bson_memory_order ord) \
	- { \
	- /* MSVC doesn't have a subtract intrinsic, so just reuse addition */ \
	- BSON_IF_MSVC ( \
	- return bson_atomic_##NamePart##_fetch_add (a, -subtrahend, ord);) \
	- BSON_IF_GNU_LIKE ( \
	- DEF_ATOMIC_OP (~, __atomic_fetch_sub, ~, ord, a, subtrahend);) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- DEF_ATOMIC_OP (~, ~, __sync_fetch_and_sub, ord, a, subtrahend);) \
	- } \
	- \
	- static BSON_INLINE Type bson_atomic_##NamePart##_fetch ( \
	- Type volatile const *a, enum bson_memory_order order) \
	- { \
	- /* MSVC doesn't have a load intrinsic, so just add zero */ \
	- BSON_IF_MSVC (return bson_atomic_##NamePart##_fetch_add ( \
	- (Type volatile *) a, 0, order);) \
	- /* GNU doesn't want RELEASE order for the fetch operation, so we can't \
	- * just use DEF_ATOMIC_OP. */ \
	- BSON_IF_GNU_LIKE (switch (order) { \
	- case bson_memory_order_release: /* Fall back to seqcst */ \
	- case bson_memory_order_acq_rel: /* Fall back to seqcst */ \
	- case bson_memory_order_seq_cst: \
	- return __atomic_load_n (a, __ATOMIC_SEQ_CST); \
	- case bson_memory_order_acquire: \
	- return __atomic_load_n (a, __ATOMIC_ACQUIRE); \
	- case bson_memory_order_consume: \
	- return __atomic_load_n (a, __ATOMIC_CONSUME); \
	- case bson_memory_order_relaxed: \
	- return __atomic_load_n (a, __ATOMIC_RELAXED); \
	- default: \
	- BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	- }) \
	- BSON_IF_GNU_LEGACY_ATOMICS ({ __sync_synchronize (); return *a; }) \
	- } \
	- \
	- static BSON_INLINE Type bson_atomic_##NamePart##_exchange ( \
	- Type volatile *a, Type value, enum bson_memory_order ord) \
	- { \
	- BSON_IF_MSVC ( \
	- DEF_ATOMIC_OP (BSON_CONCAT (_InterlockedExchange, VCIntrinSuffix), \
	- ~, \
	- ~, \
	- ord, \
	- a, \
	- value);) \
	- /* GNU doesn't want CONSUME order for the exchange operation, so we \
	- * cannot use DEF_ATOMIC_OP. */ \
	- BSON_IF_GNU_LIKE (switch (ord) { \
	- case bson_memory_order_acq_rel: \
	- return __atomic_exchange_n (a, value, __ATOMIC_ACQ_REL); \
	- case bson_memory_order_release: \
	- return __atomic_exchange_n (a, value, __ATOMIC_RELEASE); \
	- case bson_memory_order_seq_cst: \
	- return __atomic_exchange_n (a, value, __ATOMIC_SEQ_CST); \
	- case bson_memory_order_consume: /* Fall back to acquire */ \
	- case bson_memory_order_acquire: \
	- return __atomic_exchange_n (a, value, __ATOMIC_ACQUIRE); \
	- case bson_memory_order_relaxed: \
	- return __atomic_exchange_n (a, value, __ATOMIC_RELAXED); \
	- default: \
	- BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	- }) \
	- BSON_IF_GNU_LEGACY_ATOMICS ( \
	- return __sync_val_compare_and_swap (a, *a, value);) \
	- } \
	- \
	- static BSON_INLINE Type bson_atomic_##NamePart##_compare_exchange_strong ( \
	- Type volatile *a, \
	- Type expect, \
	- Type new_value, \
	- enum bson_memory_order ord) \
	- { \
	- Type actual = expect; \
	- switch (ord) { \
	- case bson_memory_order_release: \
	- case bson_memory_order_acq_rel: \
	- case bson_memory_order_seq_cst: \
	- DEF_ATOMIC_CMPEXCH_STRONG ( \
	- VCIntrinSuffix, , __ATOMIC_SEQ_CST, a, actual, new_value); \
	- break; \
	- case bson_memory_order_acquire: \
	- DEF_ATOMIC_CMPEXCH_STRONG (VCIntrinSuffix, \
	- MSVC_MEMORDER_SUFFIX (_acq), \
	- __ATOMIC_ACQUIRE, \
	- a, \
	- actual, \
	- new_value); \
	- break; \
	- case bson_memory_order_consume: \
	- DEF_ATOMIC_CMPEXCH_STRONG (VCIntrinSuffix, \
	- MSVC_MEMORDER_SUFFIX (_acq), \
	- __ATOMIC_CONSUME, \
	- a, \
	- actual, \
	- new_value); \
	- break; \
	- case bson_memory_order_relaxed: \
	- DEF_ATOMIC_CMPEXCH_STRONG (VCIntrinSuffix, \
	- MSVC_MEMORDER_SUFFIX (_nf), \
	- __ATOMIC_RELAXED, \
	- a, \
	- actual, \
	- new_value); \
	- break; \
	- default: \
	- BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	- } \
	- return actual; \
	- } \
	- \
	- static BSON_INLINE Type bson_atomic_##NamePart##_compare_exchange_weak ( \
	- Type volatile *a, \
	- Type expect, \
	- Type new_value, \
	- enum bson_memory_order ord) \
	- { \
	- Type actual = expect; \
	- switch (ord) { \
	- case bson_memory_order_release: \
	- case bson_memory_order_acq_rel: \
	- case bson_memory_order_seq_cst: \
	- DEF_ATOMIC_CMPEXCH_WEAK ( \
	- VCIntrinSuffix, , __ATOMIC_SEQ_CST, a, actual, new_value); \
	- break; \
	- case bson_memory_order_acquire: \
	- DEF_ATOMIC_CMPEXCH_WEAK (VCIntrinSuffix, \
	- MSVC_MEMORDER_SUFFIX (_acq), \
	- __ATOMIC_ACQUIRE, \
	- a, \
	- actual, \
	- new_value); \
	- break; \
	- case bson_memory_order_consume: \
	- DEF_ATOMIC_CMPEXCH_WEAK (VCIntrinSuffix, \
	- MSVC_MEMORDER_SUFFIX (_acq), \
	- __ATOMIC_CONSUME, \
	- a, \
	- actual, \
	- new_value); \
	- break; \
	- case bson_memory_order_relaxed: \
	- DEF_ATOMIC_CMPEXCH_WEAK (VCIntrinSuffix, \
	- MSVC_MEMORDER_SUFFIX (_nf), \
	- __ATOMIC_RELAXED, \
	- a, \
	- actual, \
	- new_value); \
	- break; \
	- default: \
	- BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	- } \
	- return actual; \
	- }
	-
	-#define DECL_ATOMIC_STDINT(Name, VCSuffix) \
	- DECL_ATOMIC_INTEGRAL (Name, Name##_t, VCSuffix)
	-
	-#if defined(_MSC_VER) \|\| defined (BSON_USE_LEGACY_GCC_ATOMICS)
	-/* MSVC expects precise types for their atomic intrinsics. */
	-DECL_ATOMIC_INTEGRAL (int8, char, 8);
	-DECL_ATOMIC_INTEGRAL (int16, short, 16)
	-#if !defined (BSON_EMULATE_INT32)
	-DECL_ATOMIC_INTEGRAL (int32, long, )
	-#endif
	-#if !defined (BSON_EMULATE_INT)
	-DECL_ATOMIC_INTEGRAL (int, long, )
	-#endif
	-#else
	-/* Other compilers that we support provide generic intrinsics */
	-DECL_ATOMIC_STDINT (int8, 8)
	-DECL_ATOMIC_STDINT (int16, 16)
	-#if !defined (BSON_EMULATE_INT32)
	-DECL_ATOMIC_STDINT (int32, )
	-#endif
	-#if !defined (BSON_EMULATE_INT)
	-DECL_ATOMIC_INTEGRAL (int, int, )
	-#endif
	-#endif
	-
	-BSON_EXPORT (int64_t)
	-_bson_emul_atomic_int64_fetch_add (int64_t volatile *val,
	- int64_t v,
	- enum bson_memory_order);
	-BSON_EXPORT (int64_t)
	-_bson_emul_atomic_int64_exchange (int64_t volatile *val,
	- int64_t v,
	- enum bson_memory_order);
	-BSON_EXPORT (int64_t)
	-_bson_emul_atomic_int64_compare_exchange_strong (int64_t volatile *val,
	- int64_t expect_value,
	- int64_t new_value,
	- enum bson_memory_order);
	-
	-BSON_EXPORT (int64_t)
	-_bson_emul_atomic_int64_compare_exchange_weak (int64_t volatile *val,
	- int64_t expect_value,
	- int64_t new_value,
	- enum bson_memory_order);
	-
	-BSON_EXPORT (int32_t)
	-_bson_emul_atomic_int32_fetch_add (int32_t volatile *val,
	- int32_t v,
	- enum bson_memory_order);
	-BSON_EXPORT (int32_t)
	-_bson_emul_atomic_int32_exchange (int32_t volatile *val,
	- int32_t v,
	- enum bson_memory_order);
	-BSON_EXPORT (int32_t)
	-_bson_emul_atomic_int32_compare_exchange_strong (int32_t volatile *val,
	- int32_t expect_value,
	- int32_t new_value,
	- enum bson_memory_order);
	-
	-BSON_EXPORT (int32_t)
	-_bson_emul_atomic_int32_compare_exchange_weak (int32_t volatile *val,
	- int32_t expect_value,
	- int32_t new_value,
	- enum bson_memory_order);
	-
	-BSON_EXPORT (int)
	-_bson_emul_atomic_int_fetch_add (int volatile *val,
	- int v,
	- enum bson_memory_order);
	-BSON_EXPORT (int)
	-_bson_emul_atomic_int_exchange (int volatile *val,
	- int v,
	- enum bson_memory_order);
	-BSON_EXPORT (int)
	-_bson_emul_atomic_int_compare_exchange_strong (int volatile *val,
	- int expect_value,
	- int new_value,
	- enum bson_memory_order);
	-
	-BSON_EXPORT (int)
	-_bson_emul_atomic_int_compare_exchange_weak (int volatile *val,
	- int expect_value,
	- int new_value,
	- enum bson_memory_order);
	-
	-BSON_EXPORT (void)
	-bson_thrd_yield (void);
	-
	-#if (defined(_MSC_VER) && !defined(_M_IX86)) \|\| (defined(__LP64__) && __LP64__)
	-/* (64-bit intrinsics are only available in x64) */
	-#ifdef _MSC_VER
	-DECL_ATOMIC_INTEGRAL (int64, __int64, 64)
	-#else
	-DECL_ATOMIC_STDINT (int64, 64)
	-#endif
	-#else
	-static BSON_INLINE int64_t
	-bson_atomic_int64_fetch (const int64_t volatile *val,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int64_fetch_add (
	- (int64_t volatile *) val, 0, order);
	-}
	-
	-static BSON_INLINE int64_t
	-bson_atomic_int64_fetch_add (int64_t volatile *val,
	- int64_t v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int64_fetch_add (val, v, order);
	-}
	-
	-static BSON_INLINE int64_t
	-bson_atomic_int64_fetch_sub (int64_t volatile *val,
	- int64_t v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int64_fetch_add (val, -v, order);
	-}
	-
	-static BSON_INLINE int64_t
	-bson_atomic_int64_exchange (int64_t volatile *val,
	- int64_t v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int64_exchange (val, v, order);
	-}
	-
	-static BSON_INLINE int64_t
	-bson_atomic_int64_compare_exchange_strong (int64_t volatile *val,
	- int64_t expect_value,
	- int64_t new_value,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int64_compare_exchange_strong (
	- val, expect_value, new_value, order);
	-}
	-
	-static BSON_INLINE int64_t
	-bson_atomic_int64_compare_exchange_weak (int64_t volatile *val,
	- int64_t expect_value,
	- int64_t new_value,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int64_compare_exchange_weak (
	- val, expect_value, new_value, order);
	-}
	-#endif
	-
	-#if defined(BSON_EMULATE_INT32)
	-static BSON_INLINE int32_t
	-bson_atomic_int32_fetch (const int32_t volatile *val,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int32_fetch_add (
	- (int32_t volatile *) val, 0, order);
	-}
	-
	-static BSON_INLINE int32_t
	-bson_atomic_int32_fetch_add (int32_t volatile *val,
	- int32_t v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int32_fetch_add (val, v, order);
	-}
	-
	-static BSON_INLINE int32_t
	-bson_atomic_int32_fetch_sub (int32_t volatile *val,
	- int32_t v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int32_fetch_add (val, -v, order);
	-}
	-
	-static BSON_INLINE int32_t
	-bson_atomic_int32_exchange (int32_t volatile *val,
	- int32_t v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int32_exchange (val, v, order);
	-}
	-
	-static BSON_INLINE int32_t
	-bson_atomic_int32_compare_exchange_strong (int32_t volatile *val,
	- int32_t expect_value,
	- int32_t new_value,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int32_compare_exchange_strong (
	- val, expect_value, new_value, order);
	-}
	-
	-static BSON_INLINE int32_t
	-bson_atomic_int32_compare_exchange_weak (int32_t volatile *val,
	- int32_t expect_value,
	- int32_t new_value,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int32_compare_exchange_weak (
	- val, expect_value, new_value, order);
	-}
	-#endif /* BSON_EMULATE_INT32 */
	-
	-#if defined(BSON_EMULATE_INT)
	-static BSON_INLINE int
	-bson_atomic_int_fetch (const int volatile *val, enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int_fetch_add ((int volatile *) val, 0, order);
	-}
	-
	-static BSON_INLINE int
	-bson_atomic_int_fetch_add (int volatile *val,
	- int v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int_fetch_add (val, v, order);
	-}
	-
	-static BSON_INLINE int
	-bson_atomic_int_fetch_sub (int volatile *val,
	- int v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int_fetch_add (val, -v, order);
	-}
	-
	-static BSON_INLINE int
	-bson_atomic_int_exchange (int volatile *val,
	- int v,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int_exchange (val, v, order);
	-}
	-
	-static BSON_INLINE int
	-bson_atomic_int_compare_exchange_strong (int volatile *val,
	- int expect_value,
	- int new_value,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int_compare_exchange_strong (
	- val, expect_value, new_value, order);
	-}
	-
	-static BSON_INLINE int
	-bson_atomic_int_compare_exchange_weak (int volatile *val,
	- int expect_value,
	- int new_value,
	- enum bson_memory_order order)
	-{
	- return _bson_emul_atomic_int_compare_exchange_weak (
	- val, expect_value, new_value, order);
	-}
	-#endif /* BSON_EMULATE_INT */
	-
	-static BSON_INLINE void *
	-bson_atomic_ptr_exchange (void volatile ptr,
	- void *new_value,
	- enum bson_memory_order ord)
	-{
	- /* The older __sync_val_compare_and_swap also takes oldval */
	-#if defined(BSON_USE_LEGACY_GCC_ATOMICS)
	- DEF_ATOMIC_OP (_InterlockedExchangePointer,
	- ,
	- __sync_val_compare_and_swap,
	- ord,
	- ptr,
	- *ptr,
	- new_value);
	-#else
	- DEF_ATOMIC_OP (_InterlockedExchangePointer,
	- __atomic_exchange_n,
	- ,
	- ord,
	- ptr,
	- new_value);
	-#endif
	-}
	-
	-static BSON_INLINE void *
	-bson_atomic_ptr_compare_exchange_strong (void volatile ptr,
	- void *expect,
	- void *new_value,
	- enum bson_memory_order ord)
	-{
	- switch (ord) {
	- case bson_memory_order_release:
	- case bson_memory_order_acq_rel:
	- case bson_memory_order_seq_cst:
	- DEF_ATOMIC_CMPEXCH_STRONG (
	- Pointer, , __ATOMIC_SEQ_CST, ptr, expect, new_value);
	- return expect;
	- case bson_memory_order_relaxed:
	- DEF_ATOMIC_CMPEXCH_STRONG (Pointer,
	- MSVC_MEMORDER_SUFFIX (_nf),
	- __ATOMIC_RELAXED,
	- ptr,
	- expect,
	- new_value);
	- return expect;
	- case bson_memory_order_consume:
	- DEF_ATOMIC_CMPEXCH_STRONG (Pointer,
	- MSVC_MEMORDER_SUFFIX (_acq),
	- __ATOMIC_CONSUME,
	- ptr,
	- expect,
	- new_value);
	- return expect;
	- case bson_memory_order_acquire:
	- DEF_ATOMIC_CMPEXCH_STRONG (Pointer,
	- MSVC_MEMORDER_SUFFIX (_acq),
	- __ATOMIC_ACQUIRE,
	- ptr,
	- expect,
	- new_value);
	- return expect;
	- default:
	- BSON_UNREACHABLE ("Invalid bson_memory_order value");
	- }
	-}
	-
	-
	-static BSON_INLINE void *
	-bson_atomic_ptr_compare_exchange_weak (void volatile ptr,
	- void *expect,
	- void *new_value,
	- enum bson_memory_order ord)
	-{
	- switch (ord) {
	- case bson_memory_order_release:
	- case bson_memory_order_acq_rel:
	- case bson_memory_order_seq_cst:
	- DEF_ATOMIC_CMPEXCH_WEAK (
	- Pointer, , __ATOMIC_SEQ_CST, ptr, expect, new_value);
	- return expect;
	- case bson_memory_order_relaxed:
	- DEF_ATOMIC_CMPEXCH_WEAK (Pointer,
	- MSVC_MEMORDER_SUFFIX (_nf),
	- __ATOMIC_RELAXED,
	- ptr,
	- expect,
	- new_value);
	- return expect;
	- case bson_memory_order_consume:
	- DEF_ATOMIC_CMPEXCH_WEAK (Pointer,
	- MSVC_MEMORDER_SUFFIX (_acq),
	- __ATOMIC_CONSUME,
	- ptr,
	- expect,
	- new_value);
	- return expect;
	- case bson_memory_order_acquire:
	- DEF_ATOMIC_CMPEXCH_WEAK (Pointer,
	- MSVC_MEMORDER_SUFFIX (_acq),
	- __ATOMIC_ACQUIRE,
	- ptr,
	- expect,
	- new_value);
	- return expect;
	- default:
	- BSON_UNREACHABLE ("Invalid bson_memory_order value");
	- }
	-}
	-
	-
	-static BSON_INLINE void *
	-bson_atomic_ptr_fetch (void volatile const ptr, enum bson_memory_order ord)
	-{
	- return bson_atomic_ptr_compare_exchange_strong (
	- (void volatile ) ptr, NULL, NULL, ord);
	-}
	-
	-#undef DECL_ATOMIC_STDINT
	-#undef DECL_ATOMIC_INTEGRAL
	-#undef DEF_ATOMIC_OP
	-#undef DEF_ATOMIC_CMPEXCH_STRONG
	-#undef DEF_ATOMIC_CMPEXCH_WEAK
	-#undef MSVC_MEMORDER_SUFFIX
	-
	-/**
	- * @brief Generate a full-fence memory barrier at the call site.
	- */
	-static BSON_INLINE void
	-bson_atomic_thread_fence ()
	-{
	- BSON_IF_MSVC (MemoryBarrier ();)
	- BSON_IF_GNU_LIKE (__sync_synchronize ();)
	- BSON_IF_GNU_LEGACY_ATOMICS (__sync_synchronize ();)
	-}
	-
	-#ifdef BSON_USE_LEGACY_GCC_ATOMICS
	-#undef BSON_IF_GNU_LIKE
	-#define BSON_IF_GNU_LIKE(...) __VA_ARGS__
	-#endif
	-#undef BSON_IF_GNU_LEGACY_ATOMICS
	-#undef BSON_USE_LEGACY_GCC_ATOMICS
	-
	-BSON_GNUC_DEPRECATED_FOR ("bson_atomic_thread_fence")
	-BSON_EXPORT (void) bson_memory_barrier (void);
	-
	-BSON_GNUC_DEPRECATED_FOR ("bson_atomic_int_fetch_add")
	-BSON_EXPORT (int32_t) bson_atomic_int_add (volatile int32_t *p, int32_t n);
	-
	-BSON_GNUC_DEPRECATED_FOR ("bson_atomic_int64_fetch_add")
	-BSON_EXPORT (int64_t) bson_atomic_int64_add (volatile int64_t *p, int64_t n);
	-
	-#undef BSON_EMULATE_INT32
	-#undef BSON_EMULATE_INT
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* BSON_ATOMIC_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-config.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-config.h
	deleted file mode 100644
	index 31a90bc8..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-config.h
	+++ /dev/null
	@@ -1,126 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#if !defined(BSON_INSIDE) && !defined(BSON_COMPILATION)
	-#error "Only <bson/bson.h> can be included directly."
	-#endif
	-
	-#ifndef BSON_CONFIG_H
	-#define BSON_CONFIG_H
	-
	-/*
	- * Define to 1234 for Little Endian, 4321 for Big Endian.
	- */
	-#define BSON_BYTE_ORDER 1234
	-
	-
	-/*
	- * Define to 1 if you have stdbool.h
	- */
	-#define BSON_HAVE_STDBOOL_H 1
	-#if BSON_HAVE_STDBOOL_H != 1
	-# undef BSON_HAVE_STDBOOL_H
	-#endif
	-
	-
	-/*
	- * Define to 1 for POSIX-like systems, 2 for Windows.
	- */
	-#define BSON_OS 1
	-
	-
	-/*
	- * Define to 1 if you have clock_gettime() available.
	- */
	-#define BSON_HAVE_CLOCK_GETTIME 1
	-#if BSON_HAVE_CLOCK_GETTIME != 1
	-# undef BSON_HAVE_CLOCK_GETTIME
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have strings.h available on your platform.
	- */
	-#define BSON_HAVE_STRINGS_H 1
	-#if BSON_HAVE_STRINGS_H != 1
	-# undef BSON_HAVE_STRINGS_H
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have strnlen available on your platform.
	- */
	-#define BSON_HAVE_STRNLEN 1
	-#if BSON_HAVE_STRNLEN != 1
	-# undef BSON_HAVE_STRNLEN
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have snprintf available on your platform.
	- */
	-#define BSON_HAVE_SNPRINTF 1
	-#if BSON_HAVE_SNPRINTF != 1
	-# undef BSON_HAVE_SNPRINTF
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have gmtime_r available on your platform.
	- */
	-#define BSON_HAVE_GMTIME_R 1
	-#if BSON_HAVE_GMTIME_R != 1
	-# undef BSON_HAVE_GMTIME_R
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have struct timespec available on your platform.
	- */
	-#define BSON_HAVE_TIMESPEC 1
	-#if BSON_HAVE_TIMESPEC != 1
	-# undef BSON_HAVE_TIMESPEC
	-#endif
	-
	-
	-/*
	- * Define to 1 if you want extra aligned types in libbson
	- */
	-#define BSON_EXTRA_ALIGN 0
	-#if BSON_EXTRA_ALIGN != 1
	-# undef BSON_EXTRA_ALIGN
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have SYS_gettid syscall
	- */
	-#define BSON_HAVE_SYSCALL_TID 1
	-#if BSON_HAVE_SYSCALL_TID != 1
	-# undef BSON_HAVE_SYSCALL_TID
	-#endif
	-
	-#define BSON_HAVE_RAND_R 1
	-#if BSON_HAVE_RAND_R != 1
	-# undef BSON_HAVE_RAND_R
	-#endif
	-
	-#define BSON_HAVE_STRLCPY 0
	-#if BSON_HAVE_STRLCPY != 1
	-# undef BSON_HAVE_STRLCPY
	-#endif
	-
	-#endif /* BSON_CONFIG_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-config.h.in b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-config.h.in
	deleted file mode 100644
	index 4fb59df4..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-config.h.in
	+++ /dev/null
	@@ -1,126 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#if !defined(BSON_INSIDE) && !defined(BSON_COMPILATION)
	-#error "Only <bson/bson.h> can be included directly."
	-#endif
	-
	-#ifndef BSON_CONFIG_H
	-#define BSON_CONFIG_H
	-
	-/*
	- * Define to 1234 for Little Endian, 4321 for Big Endian.
	- */
	-#define BSON_BYTE_ORDER @BSON_BYTE_ORDER@
	-
	-
	-/*
	- * Define to 1 if you have stdbool.h
	- */
	-#define BSON_HAVE_STDBOOL_H @BSON_HAVE_STDBOOL_H@
	-#if BSON_HAVE_STDBOOL_H != 1
	-# undef BSON_HAVE_STDBOOL_H
	-#endif
	-
	-
	-/*
	- * Define to 1 for POSIX-like systems, 2 for Windows.
	- */
	-#define BSON_OS @BSON_OS@
	-
	-
	-/*
	- * Define to 1 if you have clock_gettime() available.
	- */
	-#define BSON_HAVE_CLOCK_GETTIME @BSON_HAVE_CLOCK_GETTIME@
	-#if BSON_HAVE_CLOCK_GETTIME != 1
	-# undef BSON_HAVE_CLOCK_GETTIME
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have strings.h available on your platform.
	- */
	-#define BSON_HAVE_STRINGS_H @BSON_HAVE_STRINGS_H@
	-#if BSON_HAVE_STRINGS_H != 1
	-# undef BSON_HAVE_STRINGS_H
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have strnlen available on your platform.
	- */
	-#define BSON_HAVE_STRNLEN @BSON_HAVE_STRNLEN@
	-#if BSON_HAVE_STRNLEN != 1
	-# undef BSON_HAVE_STRNLEN
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have snprintf available on your platform.
	- */
	-#define BSON_HAVE_SNPRINTF @BSON_HAVE_SNPRINTF@
	-#if BSON_HAVE_SNPRINTF != 1
	-# undef BSON_HAVE_SNPRINTF
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have gmtime_r available on your platform.
	- */
	-#define BSON_HAVE_GMTIME_R @BSON_HAVE_GMTIME_R@
	-#if BSON_HAVE_GMTIME_R != 1
	-# undef BSON_HAVE_GMTIME_R
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have struct timespec available on your platform.
	- */
	-#define BSON_HAVE_TIMESPEC @BSON_HAVE_TIMESPEC@
	-#if BSON_HAVE_TIMESPEC != 1
	-# undef BSON_HAVE_TIMESPEC
	-#endif
	-
	-
	-/*
	- * Define to 1 if you want extra aligned types in libbson
	- */
	-#define BSON_EXTRA_ALIGN @BSON_EXTRA_ALIGN@
	-#if BSON_EXTRA_ALIGN != 1
	-# undef BSON_EXTRA_ALIGN
	-#endif
	-
	-
	-/*
	- * Define to 1 if you have SYS_gettid syscall
	- */
	-#define BSON_HAVE_SYSCALL_TID @BSON_HAVE_SYSCALL_TID@
	-#if BSON_HAVE_SYSCALL_TID != 1
	-# undef BSON_HAVE_SYSCALL_TID
	-#endif
	-
	-#define BSON_HAVE_RAND_R @BSON_HAVE_RAND_R@
	-#if BSON_HAVE_RAND_R != 1
	-# undef BSON_HAVE_RAND_R
	-#endif
	-
	-#define BSON_HAVE_STRLCPY @BSON_HAVE_STRLCPY@
	-#if BSON_HAVE_STRLCPY != 1
	-# undef BSON_HAVE_STRLCPY
	-#endif
	-
	-#endif /* BSON_CONFIG_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context-private.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context-private.h
	deleted file mode 100644
	index 5b0d4446..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context-private.h
	+++ /dev/null
	@@ -1,53 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-prelude.h"
	-
	-
	-#ifndef BSON_CONTEXT_PRIVATE_H
	-#define BSON_CONTEXT_PRIVATE_H
	-
	-
	-#include "bson-context.h"
	-#include "common-thread-private.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-struct _bson_context_t {
	- /* flags are defined in bson_context_flags_t */
	- int flags;
	- int32_t seq32;
	- int64_t seq64;
	- uint8_t rand[5];
	- uint16_t pid;
	-
	- void (oid_set_seq32) (bson_context_t context, bson_oid_t *oid);
	- void (oid_set_seq64) (bson_context_t context, bson_oid_t *oid);
	-
	- /* this function pointer allows us to mock gethostname for testing. */
	- void (gethostname) (char out);
	-};
	-
	-void
	-_bson_context_set_oid_rand (bson_context_t context, bson_oid_t oid);
	-
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* BSON_CONTEXT_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context.c b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context.c
	deleted file mode 100644
	index a8f5e124..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context.c
	+++ /dev/null
	@@ -1,445 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-compat.h"
	-
	-#include <limits.h>
	-#include <stdarg.h>
	-#include <stdlib.h>
	-#include <string.h>
	-#include <time.h>
	-
	-#include "bson-atomic.h"
	-#include "bson-clock.h"
	-#include "bson-context.h"
	-#include "bson-context-private.h"
	-#include "bson-memory.h"
	-#include "common-thread-private.h"
	-
	-#ifdef BSON_HAVE_SYSCALL_TID
	-#include <sys/syscall.h>
	-#endif
	-
	-
	-#ifndef HOST_NAME_MAX
	-#define HOST_NAME_MAX 256
	-#endif
	-
	-
	-/*
	- * Globals.
	- */
	-static bson_context_t gContextDefault;
	-
	-static BSON_INLINE uint16_t
	-_bson_getpid (void)
	-{
	- uint16_t pid;
	-#ifdef BSON_OS_WIN32
	- DWORD real_pid;
	-
	- real_pid = GetCurrentProcessId ();
	- pid = (real_pid & 0xFFFF) ^ ((real_pid >> 16) & 0xFFFF);
	-#else
	- pid = getpid ();
	-#endif
	-
	- return pid;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _bson_context_set_oid_seq32 --
	- *
	- * 32-bit sequence generator, non-thread-safe version.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @oid is modified.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-_bson_context_set_oid_seq32 (bson_context_t context, / IN */
	- bson_oid_t oid) / OUT */
	-{
	- uint32_t seq = context->seq32++;
	-
	- seq = BSON_UINT32_TO_BE (seq);
	- memcpy (&oid->bytes[9], ((uint8_t *) &seq) + 1, 3);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _bson_context_set_oid_seq32_threadsafe --
	- *
	- * Thread-safe version of 32-bit sequence generator.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @oid is modified.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-_bson_context_set_oid_seq32_threadsafe (bson_context_t context, / IN */
	- bson_oid_t oid) / OUT */
	-{
	- int32_t seq = 1 + bson_atomic_int32_fetch_add (
	- &context->seq32, 1, bson_memory_order_seq_cst);
	- seq = BSON_UINT32_TO_BE (seq);
	- memcpy (&oid->bytes[9], ((uint8_t *) &seq) + 1, 3);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _bson_context_set_oid_seq64 --
	- *
	- * 64-bit oid sequence generator, non-thread-safe version.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @oid is modified.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-_bson_context_set_oid_seq64 (bson_context_t context, / IN */
	- bson_oid_t oid) / OUT */
	-{
	- uint64_t seq;
	-
	- BSON_ASSERT (context);
	- BSON_ASSERT (oid);
	-
	- seq = BSON_UINT64_TO_BE (context->seq64++);
	- memcpy (&oid->bytes[4], &seq, sizeof (seq));
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _bson_context_set_oid_seq64_threadsafe --
	- *
	- * Thread-safe 64-bit sequence generator.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @oid is modified.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-_bson_context_set_oid_seq64_threadsafe (bson_context_t context, / IN */
	- bson_oid_t oid) / OUT */
	-{
	- int64_t seq = 1 + bson_atomic_int64_fetch_add (
	- &context->seq64, 1, bson_memory_order_seq_cst);
	-
	- seq = BSON_UINT64_TO_BE (seq);
	- memcpy (&oid->bytes[4], &seq, sizeof (seq));
	-}
	-
	-
	-static void
	-_bson_context_init_random (bson_context_t *context, bool init_sequence);
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _bson_context_set_oid_rand --
	- *
	- * Sets the process specific five byte random sequence in an oid.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @oid is modified.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_bson_context_set_oid_rand (bson_context_t context, bson_oid_t oid)
	-{
	- BSON_ASSERT (context);
	- BSON_ASSERT (oid);
	-
	- if (context->flags & BSON_CONTEXT_DISABLE_PID_CACHE) {
	- uint16_t pid = _bson_getpid ();
	-
	- if (pid != context->pid) {
	- context->pid = pid;
	- /* randomize the random bytes, not the sequence. */
	- _bson_context_init_random (context, false);
	- }
	- }
	- memcpy (&oid->bytes[4], &context->rand, sizeof (context->rand));
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _get_rand --
	- *
	- * Gets a random four byte integer. Callers that will use the "rand"
	- * function must call "srand" prior.
	- *
	- * Returns:
	- * A random int32_t.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static int32_t
	-_get_rand (unsigned int *pseed)
	-{
	- int32_t result = 0;
	-#ifndef BSON_HAVE_RAND_R
	- /* ms's runtime is multithreaded by default, so no rand_r */
	- /* no rand_r on android either */
	- result = rand ();
	-#elif defined(__FreeBSD__) \|\| defined(__NetBSD__) \|\| defined(__DragonFly__) \|\| \
	- defined(__OpenBSD__) \|\| defined(__APPLE__)
	- arc4random_buf (&result, sizeof (result));
	-#else
	- result = rand_r (pseed);
	-#endif
	- return result;
	-}
	-
	-
	-/*
	- * --------------------------------------------------------------------------
	- *
	- * _bson_context_get_hostname
	- *
	- * Gets the hostname of the machine, logs a warning on failure. "out"
	- * must be an array of HOST_NAME_MAX bytes.
	- *
	- * --------------------------------------------------------------------------
	- */
	-static void
	-_bson_context_get_hostname (char *out)
	-{
	- if (gethostname (out, HOST_NAME_MAX) != 0) {
	- if (errno == ENAMETOOLONG) {
	- fprintf (stderr,
	- "hostname exceeds %d characters, truncating.",
	- HOST_NAME_MAX);
	- } else {
	- fprintf (stderr, "unable to get hostname: %d", errno);
	- }
	- }
	- out[HOST_NAME_MAX - 1] = '\0';
	-}
	-
	-
	-static void
	-_bson_context_init_random (bson_context_t *context, bool init_sequence)
	-{
	- int64_t rand_bytes;
	- struct timeval tv;
	- unsigned int seed = 0;
	- char hostname[HOST_NAME_MAX];
	- char *ptr;
	- int hostname_chars_left;
	-
	- /*
	- * The seed consists of the following xor'd together:
	- * - current time in seconds
	- * - current time in milliseconds
	- * - current pid
	- * - current hostname
	- */
	- bson_gettimeofday (&tv);
	- seed ^= (unsigned int) tv.tv_sec;
	- seed ^= (unsigned int) tv.tv_usec;
	- seed ^= (unsigned int) context->pid;
	-
	- context->gethostname (hostname);
	- hostname_chars_left = strlen (hostname);
	- ptr = hostname;
	- while (hostname_chars_left) {
	- uint32_t hostname_chunk = 0;
	- uint32_t to_copy = hostname_chars_left > 4 ? 4 : hostname_chars_left;
	-
	- memcpy (&hostname_chunk, ptr, to_copy);
	- seed ^= (unsigned int) hostname_chunk;
	- hostname_chars_left -= to_copy;
	- ptr += to_copy;
	- }
	-
	-#ifndef BSON_HAVE_RAND_R
	- srand (seed);
	-#endif
	-
	- /* Generate a seed for the random starting position of our increment
	- * bytes and the five byte random number. */
	- if (init_sequence) {
	- /* We mask off the last nibble so that the last digit of the OID will
	- * start at zero. Just to be nice. */
	- context->seq32 = _get_rand (&seed) & 0x007FFFF0;
	- }
	-
	- rand_bytes = _get_rand (&seed);
	- rand_bytes <<= 32;
	- rand_bytes \|= _get_rand (&seed);
	-
	- /* Copy five random bytes, endianness does not matter. */
	- memcpy (&context->rand, (char *) &rand_bytes, sizeof (context->rand));
	-}
	-
	-static void
	-_bson_context_init (bson_context_t *context, bson_context_flags_t flags)
	-{
	- context->flags = (int) flags;
	- context->oid_set_seq32 = _bson_context_set_oid_seq32;
	- context->oid_set_seq64 = _bson_context_set_oid_seq64;
	- context->gethostname = _bson_context_get_hostname;
	-
	- if ((flags & BSON_CONTEXT_THREAD_SAFE)) {
	- context->oid_set_seq32 = _bson_context_set_oid_seq32_threadsafe;
	- context->oid_set_seq64 = _bson_context_set_oid_seq64_threadsafe;
	- }
	-
	- context->pid = _bson_getpid ();
	- _bson_context_init_random (context, true);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * bson_context_new --
	- *
	- * Initializes a new context with the flags specified.
	- *
	- * In most cases, you want to call this with @flags set to
	- * BSON_CONTEXT_NONE.
	- *
	- * If you are running on Linux, %BSON_CONTEXT_USE_TASK_ID can result
	- * in a healthy speedup for multi-threaded scenarios.
	- *
	- * If you absolutely must have a single context for your application
	- * and use more than one thread, then %BSON_CONTEXT_THREAD_SAFE should
	- * be bitwise-or'd with your flags. This requires synchronization
	- * between threads.
	- *
	- * If you expect your pid to change without notice, such as from an
	- * unexpected call to fork(), then specify
	- * %BSON_CONTEXT_DISABLE_PID_CACHE.
	- *
	- * Returns:
	- * A newly allocated bson_context_t that should be freed with
	- * bson_context_destroy().
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bson_context_t *
	-bson_context_new (bson_context_flags_t flags)
	-{
	- bson_context_t *context;
	-
	- context = bson_malloc0 (sizeof *context);
	- _bson_context_init (context, flags);
	-
	- return context;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * bson_context_destroy --
	- *
	- * Cleans up a bson_context_t and releases any associated resources.
	- * This should be called when you are done using @context.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-bson_context_destroy (bson_context_t context) / IN */
	-{
	- bson_free (context);
	-}
	-
	-
	-static BSON_ONCE_FUN (_bson_context_init_default)
	-{
	- _bson_context_init (
	- &gContextDefault,
	- (BSON_CONTEXT_THREAD_SAFE \| BSON_CONTEXT_DISABLE_PID_CACHE));
	- BSON_ONCE_RETURN;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * bson_context_get_default --
	- *
	- * Fetches the default, thread-safe implementation of #bson_context_t.
	- * If you need faster generation, it is recommended you create your
	- * own #bson_context_t with bson_context_new().
	- *
	- * Returns:
	- * A shared instance to the default #bson_context_t. This should not
	- * be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bson_context_t *
	-bson_context_get_default (void)
	-{
	- static bson_once_t once = BSON_ONCE_INIT;
	-
	- bson_once (&once, _bson_context_init_default);
	-
	- return &gContextDefault;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context.h
	deleted file mode 100644
	index 56e817f8..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-context.h
	+++ /dev/null
	@@ -1,42 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-prelude.h"
	-
	-
	-#ifndef BSON_CONTEXT_H
	-#define BSON_CONTEXT_H
	-
	-
	-#include "bson-macros.h"
	-#include "bson-types.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-BSON_EXPORT (bson_context_t *)
	-bson_context_new (bson_context_flags_t flags);
	-BSON_EXPORT (void)
	-bson_context_destroy (bson_context_t *context);
	-BSON_EXPORT (bson_context_t *)
	-bson_context_get_default (void);
	-
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* BSON_CONTEXT_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-endian.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-endian.h
	deleted file mode 100644
	index b597f573..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-endian.h
	+++ /dev/null
	@@ -1,227 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-prelude.h"
	-
	-
	-#ifndef BSON_ENDIAN_H
	-#define BSON_ENDIAN_H
	-
	-
	-#if defined(__sun)
	-#include <sys/byteorder.h>
	-#endif
	-
	-#include "bson-config.h"
	-#include "bson-macros.h"
	-#include "bson-compat.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-#define BSON_BIG_ENDIAN 4321
	-#define BSON_LITTLE_ENDIAN 1234
	-
	-
	-#if defined(__sun)
	-#define BSON_UINT16_SWAP_LE_BE(v) BSWAP_16 ((uint16_t) v)
	-#define BSON_UINT32_SWAP_LE_BE(v) BSWAP_32 ((uint32_t) v)
	-#define BSON_UINT64_SWAP_LE_BE(v) BSWAP_64 ((uint64_t) v)
	-#elif defined(__clang__) && defined(__clang_major__) && \
	- defined(__clang_minor__) && (__clang_major__ >= 3) && \
	- (__clang_minor__ >= 1)
	-#if __has_builtin(__builtin_bswap16)
	-#define BSON_UINT16_SWAP_LE_BE(v) __builtin_bswap16 (v)
	-#endif
	-#if __has_builtin(__builtin_bswap32)
	-#define BSON_UINT32_SWAP_LE_BE(v) __builtin_bswap32 (v)
	-#endif
	-#if __has_builtin(__builtin_bswap64)
	-#define BSON_UINT64_SWAP_LE_BE(v) __builtin_bswap64 (v)
	-#endif
	-#elif defined(__GNUC__) && (__GNUC__ >= 4)
	-#if __GNUC__ > 4 \|\| (defined(__GNUC_MINOR__) && __GNUC_MINOR__ >= 3)
	-#define BSON_UINT32_SWAP_LE_BE(v) __builtin_bswap32 ((uint32_t) v)
	-#define BSON_UINT64_SWAP_LE_BE(v) __builtin_bswap64 ((uint64_t) v)
	-#endif
	-#if __GNUC__ > 4 \|\| (defined(__GNUC_MINOR__) && __GNUC_MINOR__ >= 8)
	-#define BSON_UINT16_SWAP_LE_BE(v) __builtin_bswap16 ((uint32_t) v)
	-#endif
	-#endif
	-
	-
	-#ifndef BSON_UINT16_SWAP_LE_BE
	-#define BSON_UINT16_SWAP_LE_BE(v) __bson_uint16_swap_slow ((uint16_t) v)
	-#endif
	-
	-
	-#ifndef BSON_UINT32_SWAP_LE_BE
	-#define BSON_UINT32_SWAP_LE_BE(v) __bson_uint32_swap_slow ((uint32_t) v)
	-#endif
	-
	-
	-#ifndef BSON_UINT64_SWAP_LE_BE
	-#define BSON_UINT64_SWAP_LE_BE(v) __bson_uint64_swap_slow ((uint64_t) v)
	-#endif
	-
	-
	-#if BSON_BYTE_ORDER == BSON_LITTLE_ENDIAN
	-#define BSON_UINT16_FROM_LE(v) ((uint16_t) v)
	-#define BSON_UINT16_TO_LE(v) ((uint16_t) v)
	-#define BSON_UINT16_FROM_BE(v) BSON_UINT16_SWAP_LE_BE (v)
	-#define BSON_UINT16_TO_BE(v) BSON_UINT16_SWAP_LE_BE (v)
	-#define BSON_UINT32_FROM_LE(v) ((uint32_t) v)
	-#define BSON_UINT32_TO_LE(v) ((uint32_t) v)
	-#define BSON_UINT32_FROM_BE(v) BSON_UINT32_SWAP_LE_BE (v)
	-#define BSON_UINT32_TO_BE(v) BSON_UINT32_SWAP_LE_BE (v)
	-#define BSON_UINT64_FROM_LE(v) ((uint64_t) v)
	-#define BSON_UINT64_TO_LE(v) ((uint64_t) v)
	-#define BSON_UINT64_FROM_BE(v) BSON_UINT64_SWAP_LE_BE (v)
	-#define BSON_UINT64_TO_BE(v) BSON_UINT64_SWAP_LE_BE (v)
	-#define BSON_DOUBLE_FROM_LE(v) ((double) v)
	-#define BSON_DOUBLE_TO_LE(v) ((double) v)
	-#elif BSON_BYTE_ORDER == BSON_BIG_ENDIAN
	-#define BSON_UINT16_FROM_LE(v) BSON_UINT16_SWAP_LE_BE (v)
	-#define BSON_UINT16_TO_LE(v) BSON_UINT16_SWAP_LE_BE (v)
	-#define BSON_UINT16_FROM_BE(v) ((uint16_t) v)
	-#define BSON_UINT16_TO_BE(v) ((uint16_t) v)
	-#define BSON_UINT32_FROM_LE(v) BSON_UINT32_SWAP_LE_BE (v)
	-#define BSON_UINT32_TO_LE(v) BSON_UINT32_SWAP_LE_BE (v)
	-#define BSON_UINT32_FROM_BE(v) ((uint32_t) v)
	-#define BSON_UINT32_TO_BE(v) ((uint32_t) v)
	-#define BSON_UINT64_FROM_LE(v) BSON_UINT64_SWAP_LE_BE (v)
	-#define BSON_UINT64_TO_LE(v) BSON_UINT64_SWAP_LE_BE (v)
	-#define BSON_UINT64_FROM_BE(v) ((uint64_t) v)
	-#define BSON_UINT64_TO_BE(v) ((uint64_t) v)
	-#define BSON_DOUBLE_FROM_LE(v) (__bson_double_swap_slow (v))
	-#define BSON_DOUBLE_TO_LE(v) (__bson_double_swap_slow (v))
	-#else
	-#error "The endianness of target architecture is unknown."
	-#endif
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * __bson_uint16_swap_slow --
	- *
	- * Fallback endianness conversion for 16-bit integers.
	- *
	- * Returns:
	- * The endian swapped version.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static BSON_INLINE uint16_t
	-__bson_uint16_swap_slow (uint16_t v) /* IN */
	-{
	- return ((v & 0x00FF) << 8) \| ((v & 0xFF00) >> 8);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * __bson_uint32_swap_slow --
	- *
	- * Fallback endianness conversion for 32-bit integers.
	- *
	- * Returns:
	- * The endian swapped version.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static BSON_INLINE uint32_t
	-__bson_uint32_swap_slow (uint32_t v) /* IN */
	-{
	- return ((v & 0x000000FFU) << 24) \| ((v & 0x0000FF00U) << 8) \|
	- ((v & 0x00FF0000U) >> 8) \| ((v & 0xFF000000U) >> 24);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * __bson_uint64_swap_slow --
	- *
	- * Fallback endianness conversion for 64-bit integers.
	- *
	- * Returns:
	- * The endian swapped version.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static BSON_INLINE uint64_t
	-__bson_uint64_swap_slow (uint64_t v) /* IN */
	-{
	- return ((v & 0x00000000000000FFULL) << 56) \|
	- ((v & 0x000000000000FF00ULL) << 40) \|
	- ((v & 0x0000000000FF0000ULL) << 24) \|
	- ((v & 0x00000000FF000000ULL) << 8) \|
	- ((v & 0x000000FF00000000ULL) >> 8) \|
	- ((v & 0x0000FF0000000000ULL) >> 24) \|
	- ((v & 0x00FF000000000000ULL) >> 40) \|
	- ((v & 0xFF00000000000000ULL) >> 56);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * __bson_double_swap_slow --
	- *
	- * Fallback endianness conversion for double floating point.
	- *
	- * Returns:
	- * The endian swapped version.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-BSON_STATIC_ASSERT2 (sizeof_uint64_t, sizeof (double) == sizeof (uint64_t));
	-
	-static BSON_INLINE double
	-__bson_double_swap_slow (double v) /* IN */
	-{
	- uint64_t uv;
	-
	- memcpy (&uv, &v, sizeof (v));
	- uv = BSON_UINT64_SWAP_LE_BE (uv);
	- memcpy (&v, &uv, sizeof (v));
	-
	- return v;
	-}
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* BSON_ENDIAN_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-oid.c b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-oid.c
	deleted file mode 100644
	index 29b19c30..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-oid.c
	+++ /dev/null
	@@ -1,295 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-compat.h"
	-
	-#include <limits.h>
	-#include <stdarg.h>
	-#include <stdlib.h>
	-#include <string.h>
	-
	-#include "bson-context-private.h"
	-#include "bson-oid.h"
	-#include "bson-string.h"
	-
	-
	-/*
	- * This table contains an array of two character pairs for every possible
	- * uint8_t. It is used as a lookup table when encoding a bson_oid_t
	- * to hex formatted ASCII. Performing two characters at a time roughly
	- * reduces the number of operations by one-half.
	- */
	-static const uint16_t gHexCharPairs[] = {
	-#if BSON_BYTE_ORDER == BSON_BIG_ENDIAN
	- 12336, 12337, 12338, 12339, 12340, 12341, 12342, 12343, 12344, 12345, 12385,
	- 12386, 12387, 12388, 12389, 12390, 12592, 12593, 12594, 12595, 12596, 12597,
	- 12598, 12599, 12600, 12601, 12641, 12642, 12643, 12644, 12645, 12646, 12848,
	- 12849, 12850, 12851, 12852, 12853, 12854, 12855, 12856, 12857, 12897, 12898,
	- 12899, 12900, 12901, 12902, 13104, 13105, 13106, 13107, 13108, 13109, 13110,
	- 13111, 13112, 13113, 13153, 13154, 13155, 13156, 13157, 13158, 13360, 13361,
	- 13362, 13363, 13364, 13365, 13366, 13367, 13368, 13369, 13409, 13410, 13411,
	- 13412, 13413, 13414, 13616, 13617, 13618, 13619, 13620, 13621, 13622, 13623,
	- 13624, 13625, 13665, 13666, 13667, 13668, 13669, 13670, 13872, 13873, 13874,
	- 13875, 13876, 13877, 13878, 13879, 13880, 13881, 13921, 13922, 13923, 13924,
	- 13925, 13926, 14128, 14129, 14130, 14131, 14132, 14133, 14134, 14135, 14136,
	- 14137, 14177, 14178, 14179, 14180, 14181, 14182, 14384, 14385, 14386, 14387,
	- 14388, 14389, 14390, 14391, 14392, 14393, 14433, 14434, 14435, 14436, 14437,
	- 14438, 14640, 14641, 14642, 14643, 14644, 14645, 14646, 14647, 14648, 14649,
	- 14689, 14690, 14691, 14692, 14693, 14694, 24880, 24881, 24882, 24883, 24884,
	- 24885, 24886, 24887, 24888, 24889, 24929, 24930, 24931, 24932, 24933, 24934,
	- 25136, 25137, 25138, 25139, 25140, 25141, 25142, 25143, 25144, 25145, 25185,
	- 25186, 25187, 25188, 25189, 25190, 25392, 25393, 25394, 25395, 25396, 25397,
	- 25398, 25399, 25400, 25401, 25441, 25442, 25443, 25444, 25445, 25446, 25648,
	- 25649, 25650, 25651, 25652, 25653, 25654, 25655, 25656, 25657, 25697, 25698,
	- 25699, 25700, 25701, 25702, 25904, 25905, 25906, 25907, 25908, 25909, 25910,
	- 25911, 25912, 25913, 25953, 25954, 25955, 25956, 25957, 25958, 26160, 26161,
	- 26162, 26163, 26164, 26165, 26166, 26167, 26168, 26169, 26209, 26210, 26211,
	- 26212, 26213, 26214
	-#else
	- 12336, 12592, 12848, 13104, 13360, 13616, 13872, 14128, 14384, 14640, 24880,
	- 25136, 25392, 25648, 25904, 26160, 12337, 12593, 12849, 13105, 13361, 13617,
	- 13873, 14129, 14385, 14641, 24881, 25137, 25393, 25649, 25905, 26161, 12338,
	- 12594, 12850, 13106, 13362, 13618, 13874, 14130, 14386, 14642, 24882, 25138,
	- 25394, 25650, 25906, 26162, 12339, 12595, 12851, 13107, 13363, 13619, 13875,
	- 14131, 14387, 14643, 24883, 25139, 25395, 25651, 25907, 26163, 12340, 12596,
	- 12852, 13108, 13364, 13620, 13876, 14132, 14388, 14644, 24884, 25140, 25396,
	- 25652, 25908, 26164, 12341, 12597, 12853, 13109, 13365, 13621, 13877, 14133,
	- 14389, 14645, 24885, 25141, 25397, 25653, 25909, 26165, 12342, 12598, 12854,
	- 13110, 13366, 13622, 13878, 14134, 14390, 14646, 24886, 25142, 25398, 25654,
	- 25910, 26166, 12343, 12599, 12855, 13111, 13367, 13623, 13879, 14135, 14391,
	- 14647, 24887, 25143, 25399, 25655, 25911, 26167, 12344, 12600, 12856, 13112,
	- 13368, 13624, 13880, 14136, 14392, 14648, 24888, 25144, 25400, 25656, 25912,
	- 26168, 12345, 12601, 12857, 13113, 13369, 13625, 13881, 14137, 14393, 14649,
	- 24889, 25145, 25401, 25657, 25913, 26169, 12385, 12641, 12897, 13153, 13409,
	- 13665, 13921, 14177, 14433, 14689, 24929, 25185, 25441, 25697, 25953, 26209,
	- 12386, 12642, 12898, 13154, 13410, 13666, 13922, 14178, 14434, 14690, 24930,
	- 25186, 25442, 25698, 25954, 26210, 12387, 12643, 12899, 13155, 13411, 13667,
	- 13923, 14179, 14435, 14691, 24931, 25187, 25443, 25699, 25955, 26211, 12388,
	- 12644, 12900, 13156, 13412, 13668, 13924, 14180, 14436, 14692, 24932, 25188,
	- 25444, 25700, 25956, 26212, 12389, 12645, 12901, 13157, 13413, 13669, 13925,
	- 14181, 14437, 14693, 24933, 25189, 25445, 25701, 25957, 26213, 12390, 12646,
	- 12902, 13158, 13414, 13670, 13926, 14182, 14438, 14694, 24934, 25190, 25446,
	- 25702, 25958, 26214
	-#endif
	-};
	-
	-
	-void
	-bson_oid_init_sequence (bson_oid_t oid, / OUT */
	- bson_context_t context) / IN */
	-{
	- uint32_t now = (uint32_t) (time (NULL));
	-
	- if (!context) {
	- context = bson_context_get_default ();
	- }
	-
	- now = BSON_UINT32_TO_BE (now);
	-
	- memcpy (&oid->bytes[0], &now, sizeof (now));
	- context->oid_set_seq64 (context, oid);
	-}
	-
	-
	-void
	-bson_oid_init (bson_oid_t oid, / OUT */
	- bson_context_t context) / IN */
	-{
	- uint32_t now = (uint32_t) (time (NULL));
	-
	- BSON_ASSERT (oid);
	-
	- if (!context) {
	- context = bson_context_get_default ();
	- }
	-
	- now = BSON_UINT32_TO_BE (now);
	- memcpy (&oid->bytes[0], &now, sizeof (now));
	-
	- _bson_context_set_oid_rand (context, oid);
	- context->oid_set_seq32 (context, oid);
	-}
	-
	-
	-void
	-bson_oid_init_from_data (bson_oid_t oid, / OUT */
	- const uint8_t data) / IN */
	-{
	- BSON_ASSERT (oid);
	- BSON_ASSERT (data);
	-
	- memcpy (oid, data, 12);
	-}
	-
	-
	-void
	-bson_oid_init_from_string (bson_oid_t oid, / OUT */
	- const char str) / IN */
	-{
	- BSON_ASSERT (oid);
	- BSON_ASSERT (str);
	-
	- bson_oid_init_from_string_unsafe (oid, str);
	-}
	-
	-
	-time_t
	-bson_oid_get_time_t (const bson_oid_t oid) / IN */
	-{
	- BSON_ASSERT (oid);
	-
	- return bson_oid_get_time_t_unsafe (oid);
	-}
	-
	-
	-void
	-bson_oid_to_string (const bson_oid_t oid, / IN */
	- char str[BSON_ENSURE_ARRAY_PARAM_SIZE (25)]) /* OUT */
	-{
	-#if !defined(__i386__) && !defined(__x86_64__) && !defined(_M_IX86) && \
	- !defined(_M_X64)
	- BSON_ASSERT (oid);
	- BSON_ASSERT (str);
	-
	- bson_snprintf (str,
	- 25,
	- "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
	- oid->bytes[0],
	- oid->bytes[1],
	- oid->bytes[2],
	- oid->bytes[3],
	- oid->bytes[4],
	- oid->bytes[5],
	- oid->bytes[6],
	- oid->bytes[7],
	- oid->bytes[8],
	- oid->bytes[9],
	- oid->bytes[10],
	- oid->bytes[11]);
	-#else
	- uint16_t *dst;
	- uint8_t id = (uint8_t ) oid;
	-
	- BSON_ASSERT (oid);
	- BSON_ASSERT (str);
	-
	- dst = (uint16_t ) (void ) str;
	- dst[0] = gHexCharPairs[id[0]];
	- dst[1] = gHexCharPairs[id[1]];
	- dst[2] = gHexCharPairs[id[2]];
	- dst[3] = gHexCharPairs[id[3]];
	- dst[4] = gHexCharPairs[id[4]];
	- dst[5] = gHexCharPairs[id[5]];
	- dst[6] = gHexCharPairs[id[6]];
	- dst[7] = gHexCharPairs[id[7]];
	- dst[8] = gHexCharPairs[id[8]];
	- dst[9] = gHexCharPairs[id[9]];
	- dst[10] = gHexCharPairs[id[10]];
	- dst[11] = gHexCharPairs[id[11]];
	- str[24] = '\0';
	-#endif
	-}
	-
	-
	-uint32_t
	-bson_oid_hash (const bson_oid_t oid) / IN */
	-{
	- BSON_ASSERT (oid);
	-
	- return bson_oid_hash_unsafe (oid);
	-}
	-
	-
	-int
	-bson_oid_compare (const bson_oid_t oid1, / IN */
	- const bson_oid_t oid2) / IN */
	-{
	- BSON_ASSERT (oid1);
	- BSON_ASSERT (oid2);
	-
	- return bson_oid_compare_unsafe (oid1, oid2);
	-}
	-
	-
	-bool
	-bson_oid_equal (const bson_oid_t oid1, / IN */
	- const bson_oid_t oid2) / IN */
	-{
	- BSON_ASSERT (oid1);
	- BSON_ASSERT (oid2);
	-
	- return bson_oid_equal_unsafe (oid1, oid2);
	-}
	-
	-
	-void
	-bson_oid_copy (const bson_oid_t src, / IN */
	- bson_oid_t dst) / OUT */
	-{
	- BSON_ASSERT (src);
	- BSON_ASSERT (dst);
	-
	- bson_oid_copy_unsafe (src, dst);
	-}
	-
	-
	-bool
	-bson_oid_is_valid (const char str, / IN */
	- size_t length) /* IN */
	-{
	- size_t i;
	-
	- BSON_ASSERT (str);
	-
	- if ((length == 25) && (str[24] == '\0')) {
	- length = 24;
	- }
	-
	- if (length == 24) {
	- for (i = 0; i < length; i++) {
	- switch (str[i]) {
	- case '0':
	- case '1':
	- case '2':
	- case '3':
	- case '4':
	- case '5':
	- case '6':
	- case '7':
	- case '8':
	- case '9':
	- case 'a':
	- case 'b':
	- case 'c':
	- case 'd':
	- case 'e':
	- case 'f':
	- case 'A':
	- case 'B':
	- case 'C':
	- case 'D':
	- case 'E':
	- case 'F':
	- break;
	- default:
	- return false;
	- }
	- }
	- return true;
	- }
	-
	- return false;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-oid.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-oid.h
	deleted file mode 100644
	index 25f4bd66..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-oid.h
	+++ /dev/null
	@@ -1,244 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-prelude.h"
	-
	-
	-#ifndef BSON_OID_H
	-#define BSON_OID_H
	-
	-
	-#include <time.h>
	-
	-#include "bson-context.h"
	-#include "bson-macros.h"
	-#include "bson-types.h"
	-#include "bson-endian.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-BSON_EXPORT (int)
	-bson_oid_compare (const bson_oid_t oid1, const bson_oid_t oid2);
	-BSON_EXPORT (void)
	-bson_oid_copy (const bson_oid_t src, bson_oid_t dst);
	-BSON_EXPORT (bool)
	-bson_oid_equal (const bson_oid_t oid1, const bson_oid_t oid2);
	-BSON_EXPORT (bool)
	-bson_oid_is_valid (const char *str, size_t length);
	-BSON_EXPORT (time_t)
	-bson_oid_get_time_t (const bson_oid_t *oid);
	-BSON_EXPORT (uint32_t)
	-bson_oid_hash (const bson_oid_t *oid);
	-BSON_EXPORT (void)
	-bson_oid_init (bson_oid_t oid, bson_context_t context);
	-BSON_EXPORT (void)
	-bson_oid_init_from_data (bson_oid_t oid, const uint8_t data);
	-BSON_EXPORT (void)
	-bson_oid_init_from_string (bson_oid_t oid, const char str);
	-BSON_EXPORT (void)
	-bson_oid_init_sequence (bson_oid_t *oid,
	- bson_context_t *context) BSON_GNUC_DEPRECATED;
	-BSON_EXPORT (void)
	-bson_oid_to_string (const bson_oid_t *oid, char str[25]);
	-
	-
	-/**
	- * bson_oid_compare_unsafe:
	- * @oid1: A bson_oid_t.
	- * @oid2: A bson_oid_t.
	- *
	- * Performs a qsort() style comparison between @oid1 and @oid2.
	- *
	- * This function is meant to be as fast as possible and therefore performs
	- * no argument validation. That is the callers responsibility.
	- *
	- * Returns: An integer < 0 if @oid1 is less than @oid2. Zero if they are equal.
	- * An integer > 0 if @oid1 is greater than @oid2.
	- */
	-static BSON_INLINE int
	-bson_oid_compare_unsafe (const bson_oid_t oid1, const bson_oid_t oid2)
	-{
	- return memcmp (oid1, oid2, sizeof *oid1);
	-}
	-
	-
	-/**
	- * bson_oid_equal_unsafe:
	- * @oid1: A bson_oid_t.
	- * @oid2: A bson_oid_t.
	- *
	- * Checks the equality of @oid1 and @oid2.
	- *
	- * This function is meant to be as fast as possible and therefore performs
	- * no checks for argument validity. That is the callers responsibility.
	- *
	- * Returns: true if @oid1 and @oid2 are equal; otherwise false.
	- */
	-static BSON_INLINE bool
	-bson_oid_equal_unsafe (const bson_oid_t oid1, const bson_oid_t oid2)
	-{
	- return !memcmp (oid1, oid2, sizeof *oid1);
	-}
	-
	-/**
	- * bson_oid_hash_unsafe:
	- * @oid: A bson_oid_t.
	- *
	- * This function performs a DJB style hash upon the bytes contained in @oid.
	- * The result is a hash key suitable for use in a hashtable.
	- *
	- * This function is meant to be as fast as possible and therefore performs no
	- * validation of arguments. The caller is responsible to ensure they are
	- * passing valid arguments.
	- *
	- * Returns: A uint32_t containing a hash code.
	- */
	-static BSON_INLINE uint32_t
	-bson_oid_hash_unsafe (const bson_oid_t *oid)
	-{
	- uint32_t hash = 5381;
	- uint32_t i;
	-
	- for (i = 0; i < sizeof oid->bytes; i++) {
	- hash = ((hash << 5) + hash) + oid->bytes[i];
	- }
	-
	- return hash;
	-}
	-
	-
	-/**
	- * bson_oid_copy_unsafe:
	- * @src: A bson_oid_t to copy from.
	- * @dst: A bson_oid_t to copy into.
	- *
	- * Copies the contents of @src into @dst. This function is meant to be as
	- * fast as possible and therefore performs no argument checking. It is the
	- * callers responsibility to ensure they are passing valid data into the
	- * function.
	- */
	-static BSON_INLINE void
	-bson_oid_copy_unsafe (const bson_oid_t src, bson_oid_t dst)
	-{
	- memcpy (dst, src, sizeof *src);
	-}
	-
	-
	-/**
	- * bson_oid_parse_hex_char:
	- * @hex: A character to parse to its integer value.
	- *
	- * This function contains a jump table to return the integer value for a
	- * character containing a hexadecimal value (0-9, a-f, A-F). If the character
	- * is not a hexadecimal character then zero is returned.
	- *
	- * Returns: An integer between 0 and 15.
	- */
	-static BSON_INLINE uint8_t
	-bson_oid_parse_hex_char (char hex)
	-{
	- switch (hex) {
	- case '0':
	- return 0;
	- case '1':
	- return 1;
	- case '2':
	- return 2;
	- case '3':
	- return 3;
	- case '4':
	- return 4;
	- case '5':
	- return 5;
	- case '6':
	- return 6;
	- case '7':
	- return 7;
	- case '8':
	- return 8;
	- case '9':
	- return 9;
	- case 'a':
	- case 'A':
	- return 0xa;
	- case 'b':
	- case 'B':
	- return 0xb;
	- case 'c':
	- case 'C':
	- return 0xc;
	- case 'd':
	- case 'D':
	- return 0xd;
	- case 'e':
	- case 'E':
	- return 0xe;
	- case 'f':
	- case 'F':
	- return 0xf;
	- default:
	- return 0;
	- }
	-}
	-
	-
	-/**
	- * bson_oid_init_from_string_unsafe:
	- * @oid: A bson_oid_t to store the result.
	- * @str: A 24-character hexadecimal encoded string.
	- *
	- * Parses a string containing 24 hexadecimal encoded bytes into a bson_oid_t.
	- * This function is meant to be as fast as possible and inlined into your
	- * code. For that purpose, the function does not perform any sort of bounds
	- * checking and it is the callers responsibility to ensure they are passing
	- * valid input to the function.
	- */
	-static BSON_INLINE void
	-bson_oid_init_from_string_unsafe (bson_oid_t oid, const char str)
	-{
	- int i;
	-
	- for (i = 0; i < 12; i++) {
	- oid->bytes[i] = ((bson_oid_parse_hex_char (str[2 * i]) << 4) \|
	- (bson_oid_parse_hex_char (str[2 * i + 1])));
	- }
	-}
	-
	-
	-/**
	- * bson_oid_get_time_t_unsafe:
	- * @oid: A bson_oid_t.
	- *
	- * Fetches the time @oid was generated.
	- *
	- * Returns: A time_t containing the UNIX timestamp of generation.
	- */
	-static BSON_INLINE time_t
	-bson_oid_get_time_t_unsafe (const bson_oid_t *oid)
	-{
	- uint32_t t;
	-
	- memcpy (&t, oid, sizeof (t));
	- return BSON_UINT32_FROM_BE (t);
	-}
	-
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* BSON_OID_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-types.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-types.h
	deleted file mode 100644
	index 6a8b1e73..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-types.h
	+++ /dev/null
	@@ -1,571 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson-prelude.h"
	-
	-
	-#ifndef BSON_TYPES_H
	-#define BSON_TYPES_H
	-
	-
	-#include <stdlib.h>
	-#include <sys/types.h>
	-
	-#include "bson-macros.h"
	-#include "bson-config.h"
	-#include "bson-compat.h"
	-#include "bson-endian.h"
	-
	-BSON_BEGIN_DECLS
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * bson_unichar_t --
	- *
	- * bson_unichar_t provides an unsigned 32-bit type for containing
	- * unicode characters. When iterating UTF-8 sequences, this should
	- * be used to avoid losing the high-bits of non-ascii characters.
	- *
	- * See also:
	- * bson_string_append_unichar()
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-typedef uint32_t bson_unichar_t;
	-
	-
	-/**
	- * bson_context_flags_t:
	- *
	- * This enumeration is used to configure a bson_context_t.
	- *
	- * %BSON_CONTEXT_NONE: Use default options.
	- * %BSON_CONTEXT_THREAD_SAFE: Context will be called from multiple threads.
	- * %BSON_CONTEXT_DISABLE_HOST_CACHE: Does nothing, is ignored.
	- * %BSON_CONTEXT_DISABLE_PID_CACHE: Call getpid() instead of caching the
	- * result of getpid() when initializing the context.
	- */
	-typedef enum {
	- BSON_CONTEXT_NONE = 0,
	- BSON_CONTEXT_THREAD_SAFE = (1 << 0),
	- BSON_CONTEXT_DISABLE_HOST_CACHE = (1 << 1),
	- BSON_CONTEXT_DISABLE_PID_CACHE = (1 << 2),
	-#ifdef BSON_HAVE_SYSCALL_TID
	- BSON_CONTEXT_USE_TASK_ID = (1 << 3),
	-#endif
	-} bson_context_flags_t;
	-
	-
	-/**
	- * bson_context_t:
	- *
	- * This structure manages context for the bson library. It handles
	- * configuration for thread-safety and other performance related requirements.
	- * Consumers will create a context and may use multiple under a variety of
	- * situations.
	- *
	- * If your program calls fork(), you should initialize a new bson_context_t
	- * using bson_context_init().
	- *
	- * If you are using threading, it is suggested that you use a bson_context_t
	- * per thread for best performance. Alternatively, you can initialize the
	- * bson_context_t with BSON_CONTEXT_THREAD_SAFE, although a performance penalty
	- * will be incurred.
	- *
	- * Many functions will require that you provide a bson_context_t such as OID
	- * generation.
	- *
	- * This structure is opaque in that you cannot see the contents of the
	- * structure. However, it is stack allocatable in that enough padding is
	- * provided in _bson_context_t to hold the structure.
	- */
	-typedef struct _bson_context_t bson_context_t;
	-
	-/**
	- * bson_json_opts_t:
	- *
	- * This structure is used to pass options for serializing BSON into extended
	- * JSON to the respective serialization methods.
	- *
	- * max_len can be either a non-negative integer, or BSON_MAX_LEN_UNLIMITED to
	- * set no limit for serialization length.
	- */
	-typedef struct _bson_json_opts_t bson_json_opts_t;
	-
	-
	-/**
	- * bson_t:
	- *
	- * This structure manages a buffer whose contents are a properly formatted
	- * BSON document. You may perform various transforms on the BSON documents.
	- * Additionally, it can be iterated over using bson_iter_t.
	- *
	- * See bson_iter_init() for iterating the contents of a bson_t.
	- *
	- * When building a bson_t structure using the various append functions,
	- * memory allocations may occur. That is performed using power of two
	- * allocations and realloc().
	- *
	- * See http://bsonspec.org for the BSON document spec.
	- *
	- * This structure is meant to fit in two sequential 64-byte cachelines.
	- */
	-#ifdef BSON_MEMCHECK
	-BSON_ALIGNED_BEGIN (128)
	-typedef struct _bson_t {
	- uint32_t flags; /* Internal flags for the bson_t. */
	- uint32_t len; /* Length of BSON data. */
	- char canary; / For valgrind check */
	- uint8_t padding[120 - sizeof (char *)];
	-} bson_t BSON_ALIGNED_END (128);
	-#else
	-BSON_ALIGNED_BEGIN (128)
	-typedef struct _bson_t {
	- uint32_t flags; /* Internal flags for the bson_t. */
	- uint32_t len; /* Length of BSON data. */
	- uint8_t padding[120]; /* Padding for stack allocation. */
	-} bson_t BSON_ALIGNED_END (128);
	-#endif
	-
	-/**
	- * BSON_INITIALIZER:
	- *
	- * This macro can be used to initialize a #bson_t structure on the stack
	- * without calling bson_init().
	- *
	- * \|[
	- * bson_t b = BSON_INITIALIZER;
	- * ]\|
	- */
	-#ifdef BSON_MEMCHECK
	-#define BSON_INITIALIZER \
	- { \
	- 3, 5, bson_malloc (1), {5}, \
	- }
	-#else
	-#define BSON_INITIALIZER \
	- { \
	- 3, 5, \
	- { \
	- 5 \
	- } \
	- }
	-#endif
	-
	-
	-BSON_STATIC_ASSERT2 (bson_t, sizeof (bson_t) == 128);
	-
	-
	-/**
	- * bson_oid_t:
	- *
	- * This structure contains the binary form of a BSON Object Id as specified
	- * on http://bsonspec.org. If you would like the bson_oid_t in string form
	- * see bson_oid_to_string() or bson_oid_to_string_r().
	- */
	-typedef struct {
	- uint8_t bytes[12];
	-} bson_oid_t;
	-
	-BSON_STATIC_ASSERT2 (oid_t, sizeof (bson_oid_t) == 12);
	-
	-/**
	- * bson_decimal128_t:
	- *
	- * @high The high-order bytes of the decimal128. This field contains sign,
	- * combination bits, exponent, and part of the coefficient continuation.
	- * @low The low-order bytes of the decimal128. This field contains the second
	- * part of the coefficient continuation.
	- *
	- * This structure is a boxed type containing the value for the BSON decimal128
	- * type. The structure stores the 128 bits such that they correspond to the
	- * native format for the IEEE decimal128 type, if it is implemented.
	- **/
	-typedef struct {
	-#if BSON_BYTE_ORDER == BSON_LITTLE_ENDIAN
	- uint64_t low;
	- uint64_t high;
	-#elif BSON_BYTE_ORDER == BSON_BIG_ENDIAN
	- uint64_t high;
	- uint64_t low;
	-#endif
	-} bson_decimal128_t;
	-
	-
	-/**
	- * bson_validate_flags_t:
	- *
	- * This enumeration is used for validation of BSON documents. It allows
	- * selective control on what you wish to validate.
	- *
	- * %BSON_VALIDATE_NONE: No additional validation occurs.
	- * %BSON_VALIDATE_UTF8: Check that strings are valid UTF-8.
	- * %BSON_VALIDATE_DOLLAR_KEYS: Check that keys do not start with $.
	- * %BSON_VALIDATE_DOT_KEYS: Check that keys do not contain a period.
	- * %BSON_VALIDATE_UTF8_ALLOW_NULL: Allow NUL bytes in UTF-8 text.
	- * %BSON_VALIDATE_EMPTY_KEYS: Prohibit zero-length field names
	- */
	-typedef enum {
	- BSON_VALIDATE_NONE = 0,
	- BSON_VALIDATE_UTF8 = (1 << 0),
	- BSON_VALIDATE_DOLLAR_KEYS = (1 << 1),
	- BSON_VALIDATE_DOT_KEYS = (1 << 2),
	- BSON_VALIDATE_UTF8_ALLOW_NULL = (1 << 3),
	- BSON_VALIDATE_EMPTY_KEYS = (1 << 4),
	-} bson_validate_flags_t;
	-
	-
	-/**
	- * bson_type_t:
	- *
	- * This enumeration contains all of the possible types within a BSON document.
	- * Use bson_iter_type() to fetch the type of a field while iterating over it.
	- */
	-typedef enum {
	- BSON_TYPE_EOD = 0x00,
	- BSON_TYPE_DOUBLE = 0x01,
	- BSON_TYPE_UTF8 = 0x02,
	- BSON_TYPE_DOCUMENT = 0x03,
	- BSON_TYPE_ARRAY = 0x04,
	- BSON_TYPE_BINARY = 0x05,
	- BSON_TYPE_UNDEFINED = 0x06,
	- BSON_TYPE_OID = 0x07,
	- BSON_TYPE_BOOL = 0x08,
	- BSON_TYPE_DATE_TIME = 0x09,
	- BSON_TYPE_NULL = 0x0A,
	- BSON_TYPE_REGEX = 0x0B,
	- BSON_TYPE_DBPOINTER = 0x0C,
	- BSON_TYPE_CODE = 0x0D,
	- BSON_TYPE_SYMBOL = 0x0E,
	- BSON_TYPE_CODEWSCOPE = 0x0F,
	- BSON_TYPE_INT32 = 0x10,
	- BSON_TYPE_TIMESTAMP = 0x11,
	- BSON_TYPE_INT64 = 0x12,
	- BSON_TYPE_DECIMAL128 = 0x13,
	- BSON_TYPE_MAXKEY = 0x7F,
	- BSON_TYPE_MINKEY = 0xFF,
	-} bson_type_t;
	-
	-
	-/**
	- * bson_subtype_t:
	- *
	- * This enumeration contains the various subtypes that may be used in a binary
	- * field. See http://bsonspec.org for more information.
	- */
	-typedef enum {
	- BSON_SUBTYPE_BINARY = 0x00,
	- BSON_SUBTYPE_FUNCTION = 0x01,
	- BSON_SUBTYPE_BINARY_DEPRECATED = 0x02,
	- BSON_SUBTYPE_UUID_DEPRECATED = 0x03,
	- BSON_SUBTYPE_UUID = 0x04,
	- BSON_SUBTYPE_MD5 = 0x05,
	- BSON_SUBTYPE_ENCRYPTED = 0x06,
	- BSON_SUBTYPE_COLUMN = 0x07,
	- BSON_SUBTYPE_USER = 0x80,
	-} bson_subtype_t;
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * bson_value_t --
	- *
	- * A boxed type to contain various bson_type_t types.
	- *
	- * See also:
	- * bson_value_copy()
	- * bson_value_destroy()
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-BSON_ALIGNED_BEGIN (8)
	-typedef struct _bson_value_t {
	- bson_type_t value_type;
	- int32_t padding;
	- union {
	- bson_oid_t v_oid;
	- int64_t v_int64;
	- int32_t v_int32;
	- int8_t v_int8;
	- double v_double;
	- bool v_bool;
	- int64_t v_datetime;
	- struct {
	- uint32_t timestamp;
	- uint32_t increment;
	- } v_timestamp;
	- struct {
	- char *str;
	- uint32_t len;
	- } v_utf8;
	- struct {
	- uint8_t *data;
	- uint32_t data_len;
	- } v_doc;
	- struct {
	- uint8_t *data;
	- uint32_t data_len;
	- bson_subtype_t subtype;
	- } v_binary;
	- struct {
	- char *regex;
	- char *options;
	- } v_regex;
	- struct {
	- char *collection;
	- uint32_t collection_len;
	- bson_oid_t oid;
	- } v_dbpointer;
	- struct {
	- char *code;
	- uint32_t code_len;
	- } v_code;
	- struct {
	- char *code;
	- uint8_t *scope_data;
	- uint32_t code_len;
	- uint32_t scope_len;
	- } v_codewscope;
	- struct {
	- char *symbol;
	- uint32_t len;
	- } v_symbol;
	- bson_decimal128_t v_decimal128;
	- } value;
	-} bson_value_t BSON_ALIGNED_END (8);
	-
	-
	-/**
	- * bson_iter_t:
	- *
	- * This structure manages iteration over a bson_t structure. It keeps track
	- * of the location of the current key and value within the buffer. Using the
	- * various functions to get the value of the iter will read from these
	- * locations.
	- *
	- * This structure is safe to discard on the stack. No cleanup is necessary
	- * after using it.
	- */
	-BSON_ALIGNED_BEGIN (128)
	-typedef struct {
	- const uint8_t raw; / The raw buffer being iterated. */
	- uint32_t len; /* The length of raw. */
	- uint32_t off; /* The offset within the buffer. */
	- uint32_t type; /* The offset of the type byte. */
	- uint32_t key; /* The offset of the key byte. */
	- uint32_t d1; /* The offset of the first data byte. */
	- uint32_t d2; /* The offset of the second data byte. */
	- uint32_t d3; /* The offset of the third data byte. */
	- uint32_t d4; /* The offset of the fourth data byte. */
	- uint32_t next_off; /* The offset of the next field. */
	- uint32_t err_off; /* The offset of the error. */
	- bson_value_t value; /* Internal value for various state. */
	-} bson_iter_t BSON_ALIGNED_END (128);
	-
	-
	-/**
	- * bson_reader_t:
	- *
	- * This structure is used to iterate over a sequence of BSON documents. It
	- * allows for them to be iterated with the possibility of no additional
	- * memory allocations under certain circumstances such as reading from an
	- * incoming mongo packet.
	- */
	-
	-BSON_ALIGNED_BEGIN (BSON_ALIGN_OF_PTR)
	-typedef struct {
	- uint32_t type;
	- /< private >/
	-} bson_reader_t BSON_ALIGNED_END (BSON_ALIGN_OF_PTR);
	-
	-
	-/**
	- * bson_visitor_t:
	- *
	- * This structure contains a series of pointers that can be executed for
	- * each field of a BSON document based on the field type.
	- *
	- * For example, if an int32 field is found, visit_int32 will be called.
	- *
	- * When visiting each field using bson_iter_visit_all(), you may provide a
	- * data pointer that will be provided with each callback. This might be useful
	- * if you are marshaling to another language.
	- *
	- * You may pre-maturely stop the visitation of fields by returning true in your
	- * visitor. Returning false will continue visitation to further fields.
	- */
	-BSON_ALIGNED_BEGIN (8)
	-typedef struct {
	- /* run before / after descending into a document */
	- bool (visit_before) (const bson_iter_t iter, const char key, void data);
	- bool (visit_after) (const bson_iter_t iter, const char key, void data);
	- /* corrupt BSON, or unsupported type and visit_unsupported_type not set */
	- void (visit_corrupt) (const bson_iter_t iter, void *data);
	- /* normal bson field callbacks */
	- bool (visit_double) (const bson_iter_t iter,
	- const char *key,
	- double v_double,
	- void *data);
	- bool (visit_utf8) (const bson_iter_t iter,
	- const char *key,
	- size_t v_utf8_len,
	- const char *v_utf8,
	- void *data);
	- bool (visit_document) (const bson_iter_t iter,
	- const char *key,
	- const bson_t *v_document,
	- void *data);
	- bool (visit_array) (const bson_iter_t iter,
	- const char *key,
	- const bson_t *v_array,
	- void *data);
	- bool (visit_binary) (const bson_iter_t iter,
	- const char *key,
	- bson_subtype_t v_subtype,
	- size_t v_binary_len,
	- const uint8_t *v_binary,
	- void *data);
	- /* normal field with deprecated "Undefined" BSON type */
	- bool (visit_undefined) (const bson_iter_t iter,
	- const char *key,
	- void *data);
	- bool (visit_oid) (const bson_iter_t iter,
	- const char *key,
	- const bson_oid_t *v_oid,
	- void *data);
	- bool (visit_bool) (const bson_iter_t iter,
	- const char *key,
	- bool v_bool,
	- void *data);
	- bool (visit_date_time) (const bson_iter_t iter,
	- const char *key,
	- int64_t msec_since_epoch,
	- void *data);
	- bool (visit_null) (const bson_iter_t iter, const char key, void data);
	- bool (visit_regex) (const bson_iter_t iter,
	- const char *key,
	- const char *v_regex,
	- const char *v_options,
	- void *data);
	- bool (visit_dbpointer) (const bson_iter_t iter,
	- const char *key,
	- size_t v_collection_len,
	- const char *v_collection,
	- const bson_oid_t *v_oid,
	- void *data);
	- bool (visit_code) (const bson_iter_t iter,
	- const char *key,
	- size_t v_code_len,
	- const char *v_code,
	- void *data);
	- bool (visit_symbol) (const bson_iter_t iter,
	- const char *key,
	- size_t v_symbol_len,
	- const char *v_symbol,
	- void *data);
	- bool (visit_codewscope) (const bson_iter_t iter,
	- const char *key,
	- size_t v_code_len,
	- const char *v_code,
	- const bson_t *v_scope,
	- void *data);
	- bool (visit_int32) (const bson_iter_t iter,
	- const char *key,
	- int32_t v_int32,
	- void *data);
	- bool (visit_timestamp) (const bson_iter_t iter,
	- const char *key,
	- uint32_t v_timestamp,
	- uint32_t v_increment,
	- void *data);
	- bool (visit_int64) (const bson_iter_t iter,
	- const char *key,
	- int64_t v_int64,
	- void *data);
	- bool (visit_maxkey) (const bson_iter_t iter, const char key, void data);
	- bool (visit_minkey) (const bson_iter_t iter, const char key, void data);
	- /* if set, called instead of visit_corrupt when an apparently valid BSON
	- * includes an unrecognized field type (reading future version of BSON) */
	- void (visit_unsupported_type) (const bson_iter_t iter,
	- const char *key,
	- uint32_t type_code,
	- void *data);
	- bool (visit_decimal128) (const bson_iter_t iter,
	- const char *key,
	- const bson_decimal128_t *v_decimal128,
	- void *data);
	-
	- void *padding[7];
	-} bson_visitor_t BSON_ALIGNED_END (8);
	-
	-#define BSON_ERROR_BUFFER_SIZE 504
	-
	-BSON_ALIGNED_BEGIN (8)
	-typedef struct _bson_error_t {
	- uint32_t domain;
	- uint32_t code;
	- char message[BSON_ERROR_BUFFER_SIZE];
	-} bson_error_t BSON_ALIGNED_END (8);
	-
	-
	-BSON_STATIC_ASSERT2 (error_t, sizeof (bson_error_t) == 512);
	-
	-
	-/**
	- * bson_next_power_of_two:
	- * @v: A 32-bit unsigned integer of required bytes.
	- *
	- * Determines the next larger power of two for the value of @v
	- * in a constant number of operations.
	- *
	- * It is up to the caller to guarantee this will not overflow.
	- *
	- * Returns: The next power of 2 from @v.
	- */
	-static BSON_INLINE size_t
	-bson_next_power_of_two (size_t v)
	-{
	- v--;
	- v \|= v >> 1;
	- v \|= v >> 2;
	- v \|= v >> 4;
	- v \|= v >> 8;
	- v \|= v >> 16;
	-#if BSON_WORD_SIZE == 64
	- v \|= v >> 32;
	-#endif
	- v++;
	-
	- return v;
	-}
	-
	-
	-static BSON_INLINE bool
	-bson_is_power_of_two (uint32_t v)
	-{
	- return ((v != 0) && ((v & (v - 1)) == 0));
	-}
	-
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* BSON_TYPES_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version.h b/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version.h
	deleted file mode 100644
	index 74ff9cec..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version.h
	+++ /dev/null
	@@ -1,101 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#if !defined (BSON_INSIDE) && !defined (BSON_COMPILATION)
	-#error "Only <bson/bson.h> can be included directly."
	-#endif
	-
	-
	-#ifndef BSON_VERSION_H
	-#define BSON_VERSION_H
	-
	-
	-/**
	- * BSON_MAJOR_VERSION:
	- *
	- * BSON major version component (e.g. 1 if %BSON_VERSION is 1.2.3)
	- */
	-#define BSON_MAJOR_VERSION (1)
	-
	-
	-/**
	- * BSON_MINOR_VERSION:
	- *
	- * BSON minor version component (e.g. 2 if %BSON_VERSION is 1.2.3)
	- */
	-#define BSON_MINOR_VERSION (20)
	-
	-
	-/**
	- * BSON_MICRO_VERSION:
	- *
	- * BSON micro version component (e.g. 3 if %BSON_VERSION is 1.2.3)
	- */
	-#define BSON_MICRO_VERSION (0)
	-
	-
	-/**
	- * BSON_PRERELEASE_VERSION:
	- *
	- * BSON prerelease version component (e.g. pre if %BSON_VERSION is 1.2.3-pre)
	- */
	-#define BSON_PRERELEASE_VERSION ()
	-
	-/**
	- * BSON_VERSION:
	- *
	- * BSON version.
	- */
	-#define BSON_VERSION (1.20.0)
	-
	-
	-/**
	- * BSON_VERSION_S:
	- *
	- * BSON version, encoded as a string, useful for printing and
	- * concatenation.
	- */
	-#define BSON_VERSION_S "1.20.0"
	-
	-
	-/**
	- * BSON_VERSION_HEX:
	- *
	- * BSON version, encoded as an hexadecimal number, useful for
	- * integer comparisons.
	- */
	-#define BSON_VERSION_HEX (BSON_MAJOR_VERSION << 24 \| \
	- BSON_MINOR_VERSION << 16 \| \
	- BSON_MICRO_VERSION << 8)
	-
	-
	-/**
	- * BSON_CHECK_VERSION:
	- * @major: required major version
	- * @minor: required minor version
	- * @micro: required micro version
	- *
	- * Compile-time version checking. Evaluates to %TRUE if the version
	- * of BSON is greater than the required one.
	- */
	-#define BSON_CHECK_VERSION(major,minor,micro) \
	- (BSON_MAJOR_VERSION > (major) \|\| \
	- (BSON_MAJOR_VERSION == (major) && BSON_MINOR_VERSION > (minor)) \|\| \
	- (BSON_MAJOR_VERSION == (major) && BSON_MINOR_VERSION == (minor) && \
	- BSON_MICRO_VERSION >= (micro)))
	-
	-#endif /* BSON_VERSION_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate.c
	deleted file mode 100644
	index 9b078179..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate.c
	+++ /dev/null
	@@ -1,319 +0,0 @@
	-/*
	- * Copyright 2019 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc-aggregate-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-cursor-private.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-server-stream-private.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-util-private.h"
	-
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _has_write_key --
	- *
	- * Returns true if the aggregation pipeline's last stage is "$out"
	- * or "$merge"; otherwise returns false.
	- *
	- * Side effects:
	- * Advances @iter to the last element.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-_has_write_key (bson_iter_t *iter)
	-{
	- bson_iter_t stage;
	- bson_iter_t next;
	-
	- memcpy (&next, iter, sizeof (bson_iter_t));
	- if (!bson_iter_next (&next)) {
	- /* default to false when iter is emtpy */
	- return false;
	- }
	-
	- while (bson_iter_next (iter)) {
	- if (!bson_iter_next (&next) && BSON_ITER_HOLDS_DOCUMENT (iter)) {
	- bson_iter_recurse (iter, &stage);
	- if (bson_iter_find (&stage, "$out")) {
	- return true;
	- }
	-
	- bson_iter_recurse (iter, &stage);
	- if (bson_iter_find (&stage, "$merge")) {
	- return true;
	- }
	- }
	- }
	-
	- return false;
	-}
	-
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _make_agg_cmd --
	- *
	- * Constructs an aggregate command. If @ns does not include a collection
	- * name, 1 will be used in its place for the value of "aggregate" in the
	- * command document.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @command is always initialized.
	- * @error is set if there is a failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_make_agg_cmd (const char *ns,
	- const bson_t *pipeline,
	- mongoc_aggregate_opts_t *opts,
	- bson_t *command,
	- bson_error_t *err)
	-{
	- const char *dot;
	- bson_iter_t iter;
	- bson_t child;
	- bool has_write_key;
	- bson_iter_t has_write_key_iter;
	-
	- bson_init (command);
	-
	- dot = strstr (ns, ".");
	-
	- if (dot) {
	- /* Note: we're not validating that the collection name's length is one or
	- * more characters, as functions such as mongoc_client_get_collection also
	- * do not validate. */
	- BSON_APPEND_UTF8 (command, "aggregate", dot + 1);
	- } else {
	- BSON_APPEND_INT32 (command, "aggregate", 1);
	- }
	-
	- /*
	- * The following will allow @pipeline to be either an array of
	- * items for the pipeline, or {"pipeline": [...]}.
	- */
	- if (bson_iter_init_find (&iter, pipeline, "pipeline") &&
	- BSON_ITER_HOLDS_ARRAY (&iter)) {
	- bson_iter_recurse (&iter, &has_write_key_iter);
	- if (!bson_append_iter (command, "pipeline", 8, &iter)) {
	- bson_set_error (err,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Failed to append \"pipeline\" to create command.");
	- return false;
	- }
	- } else {
	- BSON_APPEND_ARRAY (command, "pipeline", pipeline);
	- bson_iter_init (&has_write_key_iter, pipeline);
	- }
	-
	- has_write_key = _has_write_key (&has_write_key_iter);
	- bson_append_document_begin (command, "cursor", 6, &child);
	- /* Ignore batchSize=0 for aggregates with $out or $merge */
	- if (opts->batchSize_is_set && !(has_write_key && opts->batchSize == 0)) {
	- BSON_APPEND_INT32 (&child, "batchSize", opts->batchSize);
	- }
	-
	- bson_append_document_end (command, &child);
	- return true;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_aggregate --
	- *
	- * Constructs a mongoc_cursor_t for an "aggregate" command.
	- *
	- * This function will always return a new mongoc_cursor_t that should
	- * be freed with mongoc_cursor_destroy().
	- *
	- * The cursor may fail once iterated upon, so check
	- * mongoc_cursor_error() if mongoc_cursor_next() returns false.
	- *
	- * See http://docs.mongodb.org/manual/aggregation/ for more
	- * information on how to build aggregation pipelines.
	- *
	- * Parameters:
	- * @ns: Namespace (or database name for database-level aggregation).
	- * @flags: Bitwise or of mongoc_query_flags_t or 0.
	- * @pipeline: A bson_t containing the pipeline request. @pipeline
	- * will be sent as an array type in the request.
	- * @opts: A bson_t containing aggregation options, such as
	- * bypassDocumentValidation (used with $out and $merge), maxTimeMS
	- * (declaring maximum server execution time) and explain (return
	- * information on the processing of the pipeline).
	- * @user_rp: Optional read preferences for the command.
	- * @default_rp: Default read preferences from the collection or database.
	- * @default_rc: Default read concern from the collection or database.
	- * @default_wc: Default write concern from the collection or database.
	- *
	- * Returns:
	- * A newly allocated mongoc_cursor_t that should be freed with
	- * mongoc_cursor_destroy().
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_cursor_t *
	-_mongoc_aggregate (mongoc_client_t *client,
	- const char *ns,
	- mongoc_query_flags_t flags,
	- const bson_t *pipeline,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_rp,
	- const mongoc_read_prefs_t *default_rp,
	- const mongoc_read_concern_t *default_rc,
	- const mongoc_write_concern_t *default_wc)
	-
	-{
	- mongoc_server_stream_t *server_stream = NULL;
	- bool has_write_key;
	- bson_iter_t ar;
	- mongoc_cursor_t *cursor;
	- bson_iter_t iter;
	- bson_t command;
	- bson_t cursor_opts;
	- bool created_command;
	- bson_error_t create_cmd_err = {0};
	- mongoc_aggregate_opts_t aggregate_opts;
	- bson_error_t opts_err = {0};
	- bool parsed_opts;
	-
	- ENTRY;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (ns);
	- BSON_ASSERT (pipeline);
	-
	- bson_init (&cursor_opts);
	- _mongoc_cursor_flags_to_opts (flags, &cursor_opts, NULL);
	- if (opts) {
	- bson_concat (&cursor_opts /* destination /, opts / source */);
	- }
	-
	- parsed_opts =
	- _mongoc_aggregate_opts_parse (client, opts, &aggregate_opts, &opts_err);
	-
	- if (parsed_opts) {
	- created_command = _make_agg_cmd (
	- ns, pipeline, &aggregate_opts, &command, &create_cmd_err);
	- } else {
	- created_command = false;
	- }
	-
	- cursor = _mongoc_cursor_cmd_new (client,
	- ns,
	- created_command ? &command : NULL,
	- &cursor_opts,
	- user_rp,
	- default_rp,
	- default_rc);
	-
	- if (created_command) {
	- bson_destroy (&command);
	- }
	- bson_destroy (&cursor_opts);
	-
	- if (!parsed_opts) {
	- memcpy (&cursor->error, &opts_err, sizeof (bson_error_t));
	- GOTO (done);
	- }
	-
	- if (!created_command) {
	- /* copy error back to cursor. */
	- memcpy (&cursor->error, &create_cmd_err, sizeof (bson_error_t));
	- GOTO (done);
	- }
	-
	- if (mongoc_cursor_error (cursor, NULL)) {
	- GOTO (done);
	- }
	-
	- if (!_mongoc_read_prefs_validate (cursor->read_prefs, &cursor->error)) {
	- GOTO (done);
	- }
	-
	- /* pipeline could be like {pipeline: [{$out: 'test'}]} or [{$out: 'test'}] */
	- if (bson_iter_init_find (&iter, pipeline, "pipeline") &&
	- BSON_ITER_HOLDS_ARRAY (&iter) && bson_iter_recurse (&iter, &ar)) {
	- has_write_key = _has_write_key (&ar);
	- } else {
	- if (!bson_iter_init (&iter, pipeline)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Pipeline is invalid BSON");
	- GOTO (done);
	- }
	- has_write_key = _has_write_key (&iter);
	- }
	-
	- if (has_write_key && cursor->read_prefs->mode != MONGOC_READ_PRIMARY) {
	- mongoc_read_prefs_destroy (cursor->read_prefs);
	- cursor->read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	- MONGOC_WARNING ("$out or $merge stage specified. Overriding read "
	- "preference to primary.");
	- }
	-
	- /* server id isn't enough. ensure we're connected & know wire version */
	- server_stream = _mongoc_cursor_fetch_stream (cursor);
	- if (!server_stream) {
	- GOTO (done);
	- }
	-
	- if (aggregate_opts.write_concern_owned && has_write_key &&
	- server_stream->sd->max_wire_version < WIRE_VERSION_CMD_WRITE_CONCERN) {
	- bson_set_error (
	- &cursor->error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "\"aggregate\" with \"$out\" or \"$merge\" does not support "
	- "writeConcern with wire version %d, wire version %d is "
	- "required",
	- server_stream->sd->max_wire_version,
	- WIRE_VERSION_CMD_WRITE_CONCERN);
	- GOTO (done);
	- }
	-
	- /* Only inherit WriteConcern when aggregate has $out or $merge */
	- if (!aggregate_opts.write_concern_owned && has_write_key) {
	- mongoc_write_concern_destroy (cursor->write_concern);
	- cursor->write_concern = mongoc_write_concern_copy (default_wc);
	- }
	-
	-done:
	- _mongoc_aggregate_opts_cleanup (&aggregate_opts);
	- mongoc_server_stream_cleanup (server_stream); /* null ok */
	-
	- /* we always return the cursor, even if it fails; users can detect the
	- * failure on performing a cursor operation. see CDRIVER-880. */
	- RETURN (cursor);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.c
	deleted file mode 100644
	index 533496cf..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.c
	+++ /dev/null
	@@ -1,664 +0,0 @@
	-/*
	- * Copyright 2017-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-#include "mongoc-cluster-private.h"
	-#include "mongoc-change-stream-private.h"
	-#include "mongoc-collection-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-client-session-private.h"
	-#include "mongoc-cursor-private.h"
	-#include "mongoc-database-private.h"
	-#include "mongoc-error.h"
	-#include "mongoc-error-private.h"
	-
	-#define CHANGE_STREAM_ERR(_str) \
	- bson_set_error (&stream->err, \
	- MONGOC_ERROR_CURSOR, \
	- MONGOC_ERROR_BSON, \
	- "Could not set " _str);
	-
	-/* the caller knows either a client or server error has occurred.
	- * `reply` contains the server reply or an empty document. */
	-static bool
	-_is_resumable_error (mongoc_change_stream_t stream, const bson_t reply)
	-{
	- bson_error_t error = {0};
	-
	- /* Change Streams Spec resumable criteria: "any error encountered which is
	- * not a server error (e.g. a timeout error or network error)" */
	- if (bson_empty (reply)) {
	- return true;
	- }
	-
	- if (_mongoc_cmd_check_ok (reply, MONGOC_ERROR_API_VERSION_2, &error)) {
	- return true;
	- }
	-
	- if (error.code == MONGOC_SERVER_ERR_CURSOR_NOT_FOUND) {
	- return true;
	- }
	-
	- if (stream->max_wire_version >= WIRE_VERSION_4_4) {
	- return mongoc_error_has_label (reply, "ResumableChangeStreamError");
	- }
	-
	- switch (error.code) {
	- case MONGOC_SERVER_ERR_HOSTUNREACHABLE:
	- case MONGOC_SERVER_ERR_HOSTNOTFOUND:
	- case MONGOC_SERVER_ERR_NETWORKTIMEOUT:
	- case MONGOC_SERVER_ERR_SHUTDOWNINPROGRESS:
	- case MONGOC_SERVER_ERR_PRIMARYSTEPPEDDOWN:
	- case MONGOC_SERVER_ERR_EXCEEDEDTIMELIMIT:
	- case MONGOC_SERVER_ERR_SOCKETEXCEPTION:
	- case MONGOC_SERVER_ERR_NOTPRIMARY:
	- case MONGOC_SERVER_ERR_INTERRUPTEDATSHUTDOWN:
	- case MONGOC_SERVER_ERR_INTERRUPTEDDUETOREPLSTATECHANGE:
	- case MONGOC_SERVER_ERR_NOTPRIMARYNOSECONDARYOK:
	- case MONGOC_SERVER_ERR_NOTPRIMARYORSECONDARY:
	- case MONGOC_SERVER_ERR_STALESHARDVERSION:
	- case MONGOC_SERVER_ERR_STALEEPOCH:
	- case MONGOC_SERVER_ERR_STALECONFIG:
	- case MONGOC_SERVER_ERR_RETRYCHANGESTREAM:
	- case MONGOC_SERVER_ERR_FAILEDTOSATISFYREADPREFERENCE:
	- return true;
	- default:
	- return false;
	- }
	-}
	-
	-
	-static void
	-_set_resume_token (mongoc_change_stream_t stream, const bson_t resume_token)
	-{
	- BSON_ASSERT (stream);
	- BSON_ASSERT (resume_token);
	-
	- bson_destroy (&stream->resume_token);
	- bson_copy_to (resume_token, &stream->resume_token);
	-}
	-
	-
	-/* construct the aggregate command in cmd. looks like one of the following:
	- * for a collection change stream:
	- * { aggregate: collname, pipeline: [], cursor: { batchSize: x } }
	- * for a database change stream:
	- * { aggregate: 1, pipeline: [], cursor: { batchSize: x } }
	- * for a client change stream:
	- * { aggregate: 1, pipeline: [{$changeStream: {allChangesForCluster: true}}],
	- * cursor: { batchSize: x } }
	- */
	-static void
	-_make_command (mongoc_change_stream_t stream, bson_t command)
	-{
	- bson_iter_t iter;
	- bson_t change_stream_stage; /* { $changeStream: <change_stream_doc> } */
	- bson_t change_stream_doc;
	- bson_t pipeline;
	- bson_t cursor_doc;
	-
	- if (stream->change_stream_type == MONGOC_CHANGE_STREAM_COLLECTION) {
	- bson_append_utf8 (
	- command, "aggregate", 9, stream->coll, (int) strlen (stream->coll));
	- } else {
	- bson_append_int32 (command, "aggregate", 9, 1);
	- }
	-
	- bson_append_array_begin (command, "pipeline", 8, &pipeline);
	-
	- /* append the $changeStream stage. */
	- bson_append_document_begin (&pipeline, "0", 1, &change_stream_stage);
	- bson_append_document_begin (
	- &change_stream_stage, "$changeStream", 13, &change_stream_doc);
	- bson_concat (&change_stream_doc, stream->full_document);
	-
	- if (stream->resumed) {
	- /* Change stream spec: Resume Process */
	- /* If there is a cached resumeToken: */
	- if (!bson_empty (&stream->resume_token)) {
	- /* If the ChangeStream was started with startAfter
	- and has yet to return a result document: */
	- if (!bson_empty (&stream->opts.startAfter) &&
	- !stream->has_returned_results) {
	- /* The driver MUST set startAfter to the cached resumeToken */
	- BSON_APPEND_DOCUMENT (
	- &change_stream_doc, "startAfter", &stream->resume_token);
	- } else {
	- /* The driver MUST set resumeAfter to the cached resumeToken */
	- BSON_APPEND_DOCUMENT (
	- &change_stream_doc, "resumeAfter", &stream->resume_token);
	- }
	- } else if (!_mongoc_timestamp_empty (&stream->operation_time) &&
	- stream->max_wire_version >= WIRE_VERSION_4_0) {
	- /* Else if there is no cached resumeToken and the ChangeStream
	- has a saved operation time and the max wire version is >= 7,
	- the driver MUST set startAtOperationTime */
	- _mongoc_timestamp_append (&stream->operation_time,
	- &change_stream_doc,
	- "startAtOperationTime");
	- }
	- } else {
	- /* Change streams spec: "startAtOperationTime, resumeAfter, and startAfter
	- * are all mutually exclusive; if any two are set, the server will return
	- * an error. Drivers MUST NOT throw a custom error, and MUST defer to the
	- * server error." */
	- if (!bson_empty (&stream->opts.resumeAfter)) {
	- BSON_APPEND_DOCUMENT (
	- &change_stream_doc, "resumeAfter", &stream->opts.resumeAfter);
	-
	- /* Update the cached resume token */
	- _set_resume_token (stream, &stream->opts.resumeAfter);
	- }
	-
	- if (!bson_empty (&stream->opts.startAfter)) {
	- BSON_APPEND_DOCUMENT (
	- &change_stream_doc, "startAfter", &stream->opts.startAfter);
	-
	- /* Update the cached resume token (take precedence over resumeAfter) */
	- _set_resume_token (stream, &stream->opts.startAfter);
	- }
	-
	- if (!_mongoc_timestamp_empty (&stream->operation_time)) {
	- _mongoc_timestamp_append (&stream->operation_time,
	- &change_stream_doc,
	- "startAtOperationTime");
	- }
	- }
	-
	- if (stream->change_stream_type == MONGOC_CHANGE_STREAM_CLIENT) {
	- bson_append_bool (&change_stream_doc, "allChangesForCluster", 20, true);
	- }
	- bson_append_document_end (&change_stream_stage, &change_stream_doc);
	- bson_append_document_end (&pipeline, &change_stream_stage);
	-
	- /* Append user pipeline if it exists */
	- if (bson_iter_init_find (&iter, &stream->pipeline_to_append, "pipeline") &&
	- BSON_ITER_HOLDS_ARRAY (&iter)) {
	- bson_iter_t child_iter;
	- uint32_t key_int = 1;
	- char buf[16];
	- const char *key_str;
	-
	- BSON_ASSERT (bson_iter_recurse (&iter, &child_iter));
	- while (bson_iter_next (&child_iter)) {
	- /* the user pipeline may consist of invalid stages or non-documents.
	- * append anyway, and rely on the server error. */
	- size_t keyLen =
	- bson_uint32_to_string (key_int, &key_str, buf, sizeof (buf));
	- bson_append_value (
	- &pipeline, key_str, (int) keyLen, bson_iter_value (&child_iter));
	- ++key_int;
	- }
	- }
	-
	- bson_append_array_end (command, &pipeline);
	-
	- /* Add batch size if needed */
	- bson_append_document_begin (command, "cursor", 6, &cursor_doc);
	- if (stream->batch_size > 0) {
	- bson_append_int32 (&cursor_doc, "batchSize", 9, stream->batch_size);
	- }
	- bson_append_document_end (command, &cursor_doc);
	-}
	-
	-/*---------------------------------------------------------------------------
	- *
	- * _make_cursor --
	- *
	- * Construct and send the aggregate command and create the resulting
	- * cursor. On error, stream->cursor remains NULL, otherwise it is
	- * created and must be destroyed.
	- *
	- * Return:
	- * False on error and sets stream->err.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static bool
	-_make_cursor (mongoc_change_stream_t *stream)
	-{
	- mongoc_client_session_t *cs = NULL;
	- bson_t command_opts;
	- bson_t command; /* { aggregate: "coll", pipeline: [], ... } */
	- bson_t reply;
	- bson_t getmore_opts = BSON_INITIALIZER;
	- bson_iter_t iter;
	- mongoc_server_stream_t *server_stream;
	-
	- BSON_ASSERT (stream);
	- BSON_ASSERT (!stream->cursor);
	- bson_init (&command);
	- bson_copy_to (&(stream->opts.extra), &command_opts);
	-
	- if (bson_iter_init_find (&iter, &command_opts, "sessionId")) {
	- if (!_mongoc_client_session_from_iter (
	- stream->client, &iter, &cs, &stream->err)) {
	- goto cleanup;
	- }
	- } else if (stream->implicit_session) {
	- /* If an implicit session was created before, and this cursor is now
	- * being recreated after resuming, then use the same session as before. */
	- cs = stream->implicit_session;
	- if (!mongoc_client_session_append (cs, &command_opts, &stream->err)) {
	- goto cleanup;
	- }
	- } else {
	- /* Create an implicit session. This session lsid must be the same for the
	- * agg command and the subsequent getMores. Thus, this implicit session is
	- * passed as if it were an explicit session to
	- * mongoc_client_read_command_with_opts and
	- * _mongoc_cursor_change_stream_new, but it is still implicit and its
	- * lifetime is owned by this change_stream_t. */
	- mongoc_session_opt_t *session_opts;
	- session_opts = mongoc_session_opts_new ();
	- mongoc_session_opts_set_causal_consistency (session_opts, false);
	- /* returns NULL if sessions aren't supported. ignore errors. */
	- cs = mongoc_client_start_session (stream->client, session_opts, NULL);
	- stream->implicit_session = cs;
	- mongoc_session_opts_destroy (session_opts);
	- if (cs &&
	- !mongoc_client_session_append (cs, &command_opts, &stream->err)) {
	- goto cleanup;
	- }
	- }
	-
	- if (cs && !mongoc_client_session_append (cs, &getmore_opts, &stream->err)) {
	- goto cleanup;
	- }
	-
	- server_stream = mongoc_cluster_stream_for_reads (
	- &stream->client->cluster, stream->read_prefs, cs, &reply, &stream->err);
	- if (!server_stream) {
	- bson_destroy (&stream->err_doc);
	- bson_copy_to (&reply, &stream->err_doc);
	- bson_destroy (&reply);
	- goto cleanup;
	- }
	- bson_append_int32 (&command_opts, "serverId", 8, server_stream->sd->id);
	- bson_append_int32 (&getmore_opts, "serverId", 8, server_stream->sd->id);
	- stream->max_wire_version = server_stream->sd->max_wire_version;
	- mongoc_server_stream_cleanup (server_stream);
	-
	- if (stream->read_concern && !bson_has_field (&command_opts, "readConcern")) {
	- mongoc_read_concern_append (stream->read_concern, &command_opts);
	- }
	-
	- _make_command (stream, &command);
	-
	- /* even though serverId has already been set, still pass the read prefs.
	- * they are necessary for OP_MSG if sending to a secondary. */
	- if (!mongoc_client_read_command_with_opts (stream->client,
	- stream->db,
	- &command,
	- stream->read_prefs,
	- &command_opts,
	- &reply,
	- &stream->err)) {
	- bson_destroy (&stream->err_doc);
	- bson_copy_to (&reply, &stream->err_doc);
	- bson_destroy (&reply);
	- goto cleanup;
	- }
	-
	- bson_append_bool (
	- &getmore_opts, MONGOC_CURSOR_TAILABLE, MONGOC_CURSOR_TAILABLE_LEN, true);
	- bson_append_bool (&getmore_opts,
	- MONGOC_CURSOR_AWAIT_DATA,
	- MONGOC_CURSOR_AWAIT_DATA_LEN,
	- true);
	-
	- /* maxTimeMS is only appended to getMores if these are set in cursor opts. */
	- if (stream->max_await_time_ms > 0) {
	- bson_append_int64 (&getmore_opts,
	- MONGOC_CURSOR_MAX_AWAIT_TIME_MS,
	- MONGOC_CURSOR_MAX_AWAIT_TIME_MS_LEN,
	- stream->max_await_time_ms);
	- }
	-
	- if (stream->batch_size > 0) {
	- bson_append_int32 (&getmore_opts,
	- MONGOC_CURSOR_BATCH_SIZE,
	- MONGOC_CURSOR_BATCH_SIZE_LEN,
	- stream->batch_size);
	- }
	-
	- /* steals reply. */
	- stream->cursor =
	- _mongoc_cursor_change_stream_new (stream->client, &reply, &getmore_opts);
	-
	- if (mongoc_cursor_error (stream->cursor, NULL)) {
	- goto cleanup;
	- }
	-
	- /* Change stream spec: "When aggregate or getMore returns: If an empty batch
	- * was returned and a postBatchResumeToken was included, cache it." */
	- if (_mongoc_cursor_change_stream_end_of_batch (stream->cursor) &&
	- _mongoc_cursor_change_stream_has_post_batch_resume_token (
	- stream->cursor)) {
	- _set_resume_token (
	- stream,
	- _mongoc_cursor_change_stream_get_post_batch_resume_token (
	- stream->cursor));
	- }
	-
	- /* Change stream spec: startAtOperationTime */
	- if (bson_empty (&stream->opts.resumeAfter) &&
	- bson_empty (&stream->opts.startAfter) &&
	- _mongoc_timestamp_empty (&stream->operation_time) &&
	- stream->max_wire_version >= WIRE_VERSION_4_0 &&
	- bson_empty (&stream->resume_token) &&
	- bson_iter_init_find (
	- &iter,
	- _mongoc_cursor_change_stream_get_reply (stream->cursor),
	- "operationTime") &&
	- BSON_ITER_HOLDS_TIMESTAMP (&iter)) {
	- _mongoc_timestamp_set_from_bson (&stream->operation_time, &iter);
	- }
	-
	-cleanup:
	- bson_destroy (&command);
	- bson_destroy (&command_opts);
	- bson_destroy (&getmore_opts);
	- return stream->err.code == 0;
	-}
	-
	-/*---------------------------------------------------------------------------
	- *
	- * _change_stream_init --
	- *
	- * Called after @stream has the collection name, database name, read
	- * preferences, and read concern set. Creates the change streams
	- * cursor.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_change_stream_init (mongoc_change_stream_t *stream,
	- const bson_t *pipeline,
	- const bson_t *opts)
	-{
	- BSON_ASSERT (pipeline);
	-
	- stream->max_await_time_ms = -1;
	- stream->batch_size = -1;
	- bson_init (&stream->pipeline_to_append);
	- bson_init (&stream->resume_token);
	- bson_init (&stream->err_doc);
	-
	- if (!_mongoc_change_stream_opts_parse (
	- stream->client, opts, &stream->opts, &stream->err)) {
	- return;
	- }
	-
	- stream->full_document = BCON_NEW ("fullDocument", stream->opts.fullDocument);
	-
	- _mongoc_timestamp_set (&stream->operation_time,
	- &stream->opts.startAtOperationTime);
	-
	- stream->batch_size = stream->opts.batchSize;
	- stream->max_await_time_ms = stream->opts.maxAwaitTimeMS;
	-
	- /* Accept two forms of user pipeline:
	- * 1. A document like: { "pipeline": [...] }
	- * 2. An array-like document: { "0": {}, "1": {}, ... }
	- * If the passed pipeline is invalid, we pass it along and let the server
	- * error instead.
	- */
	- if (!bson_empty (pipeline)) {
	- bson_iter_t iter;
	- if (bson_iter_init_find (&iter, pipeline, "pipeline") &&
	- BSON_ITER_HOLDS_ARRAY (&iter)) {
	- if (!BSON_APPEND_VALUE (&stream->pipeline_to_append,
	- "pipeline",
	- bson_iter_value (&iter))) {
	- CHANGE_STREAM_ERR ("pipeline");
	- }
	- } else {
	- if (!BSON_APPEND_ARRAY (
	- &stream->pipeline_to_append, "pipeline", pipeline)) {
	- CHANGE_STREAM_ERR ("pipeline");
	- }
	- }
	- }
	-
	- if (stream->err.code == 0) {
	- (void) _make_cursor (stream);
	- }
	-}
	-
	-mongoc_change_stream_t *
	-_mongoc_change_stream_new_from_collection (const mongoc_collection_t *coll,
	- const bson_t *pipeline,
	- const bson_t *opts)
	-{
	- mongoc_change_stream_t *stream;
	- BSON_ASSERT (coll);
	-
	- stream =
	- (mongoc_change_stream_t *) bson_malloc0 (sizeof (mongoc_change_stream_t));
	- stream->db = bson_strdup (coll->db);
	- stream->coll = bson_strdup (coll->collection);
	- stream->read_prefs = mongoc_read_prefs_copy (coll->read_prefs);
	- stream->read_concern = mongoc_read_concern_copy (coll->read_concern);
	- stream->client = coll->client;
	- stream->change_stream_type = MONGOC_CHANGE_STREAM_COLLECTION;
	- _change_stream_init (stream, pipeline, opts);
	- return stream;
	-}
	-
	-mongoc_change_stream_t *
	-_mongoc_change_stream_new_from_database (const mongoc_database_t *db,
	- const bson_t *pipeline,
	- const bson_t *opts)
	-{
	- mongoc_change_stream_t *stream;
	- BSON_ASSERT (db);
	-
	- stream =
	- (mongoc_change_stream_t *) bson_malloc0 (sizeof (mongoc_change_stream_t));
	- stream->db = bson_strdup (db->name);
	- stream->coll = NULL;
	- stream->read_prefs = mongoc_read_prefs_copy (db->read_prefs);
	- stream->read_concern = mongoc_read_concern_copy (db->read_concern);
	- stream->client = db->client;
	- stream->change_stream_type = MONGOC_CHANGE_STREAM_DATABASE;
	- _change_stream_init (stream, pipeline, opts);
	- return stream;
	-}
	-
	-mongoc_change_stream_t *
	-_mongoc_change_stream_new_from_client (mongoc_client_t *client,
	- const bson_t *pipeline,
	- const bson_t *opts)
	-{
	- mongoc_change_stream_t *stream;
	- BSON_ASSERT (client);
	-
	- stream =
	- (mongoc_change_stream_t *) bson_malloc0 (sizeof (mongoc_change_stream_t));
	- stream->db = bson_strdup ("admin");
	- stream->coll = NULL;
	- stream->read_prefs = mongoc_read_prefs_copy (client->read_prefs);
	- stream->read_concern = mongoc_read_concern_copy (client->read_concern);
	- stream->client = client;
	- stream->change_stream_type = MONGOC_CHANGE_STREAM_CLIENT;
	- _change_stream_init (stream, pipeline, opts);
	- return stream;
	-}
	-
	-
	-const bson_t *
	-mongoc_change_stream_get_resume_token (mongoc_change_stream_t *stream)
	-{
	- if (!bson_empty (&stream->resume_token)) {
	- return &stream->resume_token;
	- }
	-
	- return NULL;
	-}
	-
	-
	-bool
	-mongoc_change_stream_next (mongoc_change_stream_t stream, const bson_t *bson)
	-{
	- bson_iter_t iter;
	- bson_t doc_resume_token;
	- uint32_t len;
	- const uint8_t *data;
	- bool ret = false;
	-
	- BSON_ASSERT (stream);
	- BSON_ASSERT (bson);
	-
	- if (stream->err.code != 0) {
	- goto end;
	- }
	-
	- BSON_ASSERT (stream->cursor);
	- if (!mongoc_cursor_next (stream->cursor, bson)) {
	- const bson_t *err_doc;
	- bson_error_t err;
	- bool resumable = false;
	-
	- if (!mongoc_cursor_error_document (stream->cursor, &err, &err_doc)) {
	- /* no error occurred, just no documents left. */
	- goto end;
	- }
	-
	- resumable = _is_resumable_error (stream, err_doc);
	- while (resumable) {
	- /* recreate the cursor. */
	- mongoc_cursor_destroy (stream->cursor);
	- stream->cursor = NULL;
	- stream->resumed = true;
	- if (!_make_cursor (stream)) {
	- goto end;
	- }
	- if (mongoc_cursor_next (stream->cursor, bson)) {
	- break;
	- }
	- if (!mongoc_cursor_error_document (stream->cursor, &err, &err_doc)) {
	- goto end;
	- }
	- if (err_doc) {
	- resumable = _is_resumable_error (stream, err_doc);
	- } else {
	- resumable = false;
	- }
	- }
	-
	- if (!resumable) {
	- stream->err = err;
	- bson_destroy (&stream->err_doc);
	- bson_copy_to (err_doc, &stream->err_doc);
	- goto end;
	- }
	- }
	-
	- /* we have received documents, either from the first call to next or after a
	- * resume. */
	- stream->has_returned_results = true;
	-
	- if (!bson_iter_init_find (&iter, *bson, "_id") \|\|
	- !BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- bson_set_error (&stream->err,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CHANGE_STREAM_NO_RESUME_TOKEN,
	- "Cannot provide resume functionality when the resume "
	- "token is missing");
	- goto end;
	- }
	-
	- /* copy the resume token. */
	- bson_iter_document (&iter, &len, &data);
	- BSON_ASSERT (bson_init_static (&doc_resume_token, data, len));
	- _set_resume_token (stream, &doc_resume_token);
	-
	- /* clear out the operation time, since we no longer need it to resume. */
	- _mongoc_timestamp_clear (&stream->operation_time);
	- ret = true;
	-
	-end:
	- /* Change stream spec: Updating the Cached Resume Token */
	- if (stream->cursor && !mongoc_cursor_error (stream->cursor, NULL) &&
	- _mongoc_cursor_change_stream_end_of_batch (stream->cursor) &&
	- _mongoc_cursor_change_stream_has_post_batch_resume_token (
	- stream->cursor)) {
	- _set_resume_token (
	- stream,
	- _mongoc_cursor_change_stream_get_post_batch_resume_token (
	- stream->cursor));
	- }
	-
	-
	- /* Driver Sessions Spec: "When an implicit session is associated with a
	- * cursor for use with getMore operations, the session MUST be returned to
	- * the pool immediately following a getMore operation that indicates that the
	- * cursor has been exhausted." */
	- if (stream->implicit_session) {
	- /* if creating the change stream cursor errored, it may be null. */
	- if (!stream->cursor \|\| stream->cursor->cursor_id == 0) {
	- mongoc_client_session_destroy (stream->implicit_session);
	- stream->implicit_session = NULL;
	- }
	- }
	- return ret;
	-}
	-
	-bool
	-mongoc_change_stream_error_document (const mongoc_change_stream_t *stream,
	- bson_error_t *err,
	- const bson_t **bson)
	-{
	- BSON_ASSERT (stream);
	-
	- if (stream->err.code != 0) {
	- if (err) {
	- *err = stream->err;
	- }
	- if (bson) {
	- *bson = &stream->err_doc;
	- }
	- return true;
	- }
	-
	- if (bson) {
	- *bson = NULL;
	- }
	- return false;
	-}
	-
	-void
	-mongoc_change_stream_destroy (mongoc_change_stream_t *stream)
	-{
	- if (!stream) {
	- return;
	- }
	-
	- bson_destroy (&stream->pipeline_to_append);
	- bson_destroy (&stream->resume_token);
	- bson_destroy (stream->full_document);
	- bson_destroy (&stream->err_doc);
	- _mongoc_change_stream_opts_cleanup (&stream->opts);
	- mongoc_cursor_destroy (stream->cursor);
	- mongoc_client_session_destroy (stream->implicit_session);
	- mongoc_read_prefs_destroy (stream->read_prefs);
	- mongoc_read_concern_destroy (stream->read_concern);
	-
	- bson_free (stream->db);
	- bson_free (stream->coll);
	- bson_free (stream);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.c
	deleted file mode 100644
	index 73fe761f..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.c
	+++ /dev/null
	@@ -1,545 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc.h"
	-#include "mongoc-apm-private.h"
	-#include "mongoc-counters-private.h"
	-#include "mongoc-client-pool-private.h"
	-#include "mongoc-client-pool.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-client-side-encryption-private.h"
	-#include "mongoc-queue-private.h"
	-#include "mongoc-thread-private.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-topology-background-monitoring-private.h"
	-#include "mongoc-trace-private.h"
	-
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-ssl-private.h"
	-#endif
	-
	-struct _mongoc_client_pool_t {
	- bson_mutex_t mutex;
	- mongoc_cond_t cond;
	- mongoc_queue_t queue;
	- mongoc_topology_t *topology;
	- mongoc_uri_t *uri;
	- uint32_t min_pool_size;
	- uint32_t max_pool_size;
	- uint32_t size;
	-#ifdef MONGOC_ENABLE_SSL
	- bool ssl_opts_set;
	- mongoc_ssl_opt_t ssl_opts;
	-#endif
	- bool apm_callbacks_set;
	- mongoc_apm_callbacks_t apm_callbacks;
	- void *apm_context;
	- int32_t error_api_version;
	- bool error_api_set;
	- mongoc_server_api_t *api;
	- bool client_initialized;
	-};
	-
	-
	-#ifdef MONGOC_ENABLE_SSL
	-void
	-mongoc_client_pool_set_ssl_opts (mongoc_client_pool_t *pool,
	- const mongoc_ssl_opt_t *opts)
	-{
	- bson_mutex_lock (&pool->mutex);
	-
	- _mongoc_ssl_opts_cleanup (&pool->ssl_opts,
	- false /* don't free internal opts. */);
	-
	- pool->ssl_opts_set = false;
	-
	- if (opts) {
	- _mongoc_ssl_opts_copy_to (
	- opts, &pool->ssl_opts, false /* don't overwrite internal opts. */);
	- pool->ssl_opts_set = true;
	- }
	-
	- mongoc_topology_scanner_set_ssl_opts (pool->topology->scanner,
	- &pool->ssl_opts);
	-
	- bson_mutex_unlock (&pool->mutex);
	-}
	-
	-void
	-_mongoc_client_pool_set_internal_tls_opts (
	- mongoc_client_pool_t pool, _mongoc_internal_tls_opts_t internal)
	-{
	- bson_mutex_lock (&pool->mutex);
	- if (!pool->ssl_opts_set) {
	- bson_mutex_unlock (&pool->mutex);
	- return;
	- }
	- pool->ssl_opts.internal = bson_malloc (sizeof (_mongoc_internal_tls_opts_t));
	- memcpy (
	- pool->ssl_opts.internal, internal, sizeof (_mongoc_internal_tls_opts_t));
	- bson_mutex_unlock (&pool->mutex);
	-}
	-#endif
	-
	-
	-mongoc_client_pool_t *
	-mongoc_client_pool_new (const mongoc_uri_t *uri)
	-{
	- mongoc_topology_t *topology;
	- mongoc_client_pool_t *pool;
	- const bson_t *b;
	- bson_iter_t iter;
	- const char *appname;
	-
	-
	- ENTRY;
	-
	- BSON_ASSERT (uri);
	-
	-#ifndef MONGOC_ENABLE_SSL
	- if (mongoc_uri_get_tls (uri)) {
	- MONGOC_ERROR ("Can't create SSL client pool,"
	- " SSL not enabled in this build.");
	- return NULL;
	- }
	-#endif
	-
	- pool = (mongoc_client_pool_t ) bson_malloc0 (sizeof pool);
	- bson_mutex_init (&pool->mutex);
	- mongoc_cond_init (&pool->cond);
	- _mongoc_queue_init (&pool->queue);
	- pool->uri = mongoc_uri_copy (uri);
	- pool->min_pool_size = 0;
	- pool->max_pool_size = 100;
	- pool->size = 0;
	-
	- topology = mongoc_topology_new (uri, false);
	- pool->topology = topology;
	- pool->error_api_version = MONGOC_ERROR_API_VERSION_LEGACY;
	-
	- b = mongoc_uri_get_options (pool->uri);
	-
	- if (bson_iter_init_find_case (&iter, b, MONGOC_URI_MINPOOLSIZE)) {
	- MONGOC_WARNING (
	- MONGOC_URI_MINPOOLSIZE
	- " is deprecated; its behavior does not match its name, and its actual"
	- " behavior will likely hurt performance.");
	-
	- if (BSON_ITER_HOLDS_INT32 (&iter)) {
	- pool->min_pool_size = BSON_MAX (0, bson_iter_int32 (&iter));
	- }
	- }
	-
	- if (bson_iter_init_find_case (&iter, b, MONGOC_URI_MAXPOOLSIZE)) {
	- if (BSON_ITER_HOLDS_INT32 (&iter)) {
	- pool->max_pool_size = BSON_MAX (1, bson_iter_int32 (&iter));
	- }
	- }
	-
	- appname =
	- mongoc_uri_get_option_as_utf8 (pool->uri, MONGOC_URI_APPNAME, NULL);
	- if (appname) {
	- /* the appname should have already been validated */
	- BSON_ASSERT (mongoc_client_pool_set_appname (pool, appname));
	- }
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (mongoc_uri_get_tls (pool->uri)) {
	- mongoc_ssl_opt_t ssl_opt = {0};
	- _mongoc_internal_tls_opts_t internal_tls_opts = {0};
	-
	- _mongoc_ssl_opts_from_uri (&ssl_opt, &internal_tls_opts, pool->uri);
	- /* sets use_ssl = true */
	- mongoc_client_pool_set_ssl_opts (pool, &ssl_opt);
	- _mongoc_client_pool_set_internal_tls_opts (pool, &internal_tls_opts);
	- }
	-#endif
	- mongoc_counter_client_pools_active_inc ();
	-
	- RETURN (pool);
	-}
	-
	-
	-void
	-mongoc_client_pool_destroy (mongoc_client_pool_t *pool)
	-{
	- mongoc_client_t *client;
	-
	- ENTRY;
	-
	- if (!pool) {
	- EXIT;
	- }
	-
	- if (!mongoc_server_session_pool_is_empty (pool->topology->session_pool)) {
	- client = mongoc_client_pool_pop (pool);
	- _mongoc_client_end_sessions (client);
	- mongoc_client_pool_push (pool, client);
	- }
	-
	- while (
	- (client = (mongoc_client_t *) _mongoc_queue_pop_head (&pool->queue))) {
	- mongoc_client_destroy (client);
	- }
	-
	- mongoc_topology_destroy (pool->topology);
	-
	- mongoc_uri_destroy (pool->uri);
	- bson_mutex_destroy (&pool->mutex);
	- mongoc_cond_destroy (&pool->cond);
	-
	- mongoc_server_api_destroy (pool->api);
	-
	-#ifdef MONGOC_ENABLE_SSL
	- _mongoc_ssl_opts_cleanup (&pool->ssl_opts, true);
	-#endif
	-
	- bson_free (pool);
	-
	- mongoc_counter_client_pools_active_dec ();
	- mongoc_counter_client_pools_disposed_inc ();
	-
	- EXIT;
	-}
	-
	-
	-/*
	- * Start the background topology scanner.
	- *
	- * This function assumes the pool's mutex is locked
	- */
	-static void
	-_start_scanner_if_needed (mongoc_client_pool_t *pool)
	-{
	- if (!pool->topology->single_threaded) {
	- _mongoc_topology_background_monitoring_start (pool->topology);
	- }
	-}
	-
	-static void
	-_initialize_new_client (mongoc_client_pool_t pool, mongoc_client_t client)
	-{
	- /* for tests */
	- mongoc_client_set_stream_initiator (
	- client,
	- pool->topology->scanner->initiator,
	- pool->topology->scanner->initiator_context);
	-
	- pool->client_initialized = true;
	- client->is_pooled = true;
	- client->error_api_version = pool->error_api_version;
	- _mongoc_client_set_apm_callbacks_private (
	- client, &pool->apm_callbacks, pool->apm_context);
	-
	- client->api = mongoc_server_api_copy (pool->api);
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (pool->ssl_opts_set) {
	- mongoc_client_set_ssl_opts (client, &pool->ssl_opts);
	- }
	-#endif
	-}
	-
	-mongoc_client_t *
	-mongoc_client_pool_pop (mongoc_client_pool_t *pool)
	-{
	- mongoc_client_t *client;
	- int32_t wait_queue_timeout_ms;
	- int64_t expire_at_ms = -1;
	- int64_t now_ms;
	- int r;
	-
	- ENTRY;
	-
	- BSON_ASSERT (pool);
	-
	- wait_queue_timeout_ms = mongoc_uri_get_option_as_int32 (
	- pool->uri, MONGOC_URI_WAITQUEUETIMEOUTMS, -1);
	- if (wait_queue_timeout_ms > 0) {
	- expire_at_ms =
	- (bson_get_monotonic_time () / 1000) + wait_queue_timeout_ms;
	- }
	- bson_mutex_lock (&pool->mutex);
	-
	-again:
	- if (!(client = (mongoc_client_t *) _mongoc_queue_pop_head (&pool->queue))) {
	- if (pool->size < pool->max_pool_size) {
	- client = _mongoc_client_new_from_uri (pool->topology);
	- _initialize_new_client (pool, client);
	- pool->size++;
	- } else {
	- if (wait_queue_timeout_ms > 0) {
	- now_ms = bson_get_monotonic_time () / 1000;
	- if (now_ms < expire_at_ms) {
	- r = mongoc_cond_timedwait (
	- &pool->cond, &pool->mutex, expire_at_ms - now_ms);
	- if (mongo_cond_ret_is_timedout (r)) {
	- GOTO (done);
	- }
	- } else {
	- GOTO (done);
	- }
	- } else {
	- mongoc_cond_wait (&pool->cond, &pool->mutex);
	- }
	- GOTO (again);
	- }
	- }
	-
	- _start_scanner_if_needed (pool);
	-done:
	- bson_mutex_unlock (&pool->mutex);
	-
	- RETURN (client);
	-}
	-
	-
	-mongoc_client_t *
	-mongoc_client_pool_try_pop (mongoc_client_pool_t *pool)
	-{
	- mongoc_client_t *client;
	-
	- ENTRY;
	-
	- BSON_ASSERT (pool);
	-
	- bson_mutex_lock (&pool->mutex);
	-
	- if (!(client = (mongoc_client_t *) _mongoc_queue_pop_head (&pool->queue))) {
	- if (pool->size < pool->max_pool_size) {
	- client = _mongoc_client_new_from_uri (pool->topology);
	- _initialize_new_client (pool, client);
	- pool->size++;
	- }
	- }
	-
	- if (client) {
	- _start_scanner_if_needed (pool);
	- }
	- bson_mutex_unlock (&pool->mutex);
	-
	- RETURN (client);
	-}
	-
	-
	-void
	-mongoc_client_pool_push (mongoc_client_pool_t pool, mongoc_client_t client)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (pool);
	- BSON_ASSERT (client);
	-
	- bson_mutex_lock (&pool->mutex);
	- _mongoc_queue_push_head (&pool->queue, client);
	-
	- if (pool->min_pool_size &&
	- _mongoc_queue_get_length (&pool->queue) > pool->min_pool_size) {
	- mongoc_client_t *old_client;
	- old_client = (mongoc_client_t *) _mongoc_queue_pop_tail (&pool->queue);
	- if (old_client) {
	- mongoc_client_destroy (old_client);
	- pool->size--;
	- }
	- }
	-
	- mongoc_cond_signal (&pool->cond);
	- bson_mutex_unlock (&pool->mutex);
	-
	- EXIT;
	-}
	-
	-/* for tests */
	-void
	-_mongoc_client_pool_set_stream_initiator (mongoc_client_pool_t *pool,
	- mongoc_stream_initiator_t si,
	- void *context)
	-{
	- mongoc_topology_scanner_set_stream_initiator (
	- pool->topology->scanner, si, context);
	-}
	-
	-/* for tests */
	-size_t
	-mongoc_client_pool_get_size (mongoc_client_pool_t *pool)
	-{
	- size_t size = 0;
	-
	- ENTRY;
	-
	- bson_mutex_lock (&pool->mutex);
	- size = pool->size;
	- bson_mutex_unlock (&pool->mutex);
	-
	- RETURN (size);
	-}
	-
	-
	-size_t
	-mongoc_client_pool_num_pushed (mongoc_client_pool_t *pool)
	-{
	- size_t num_pushed = 0;
	-
	- ENTRY;
	-
	- bson_mutex_lock (&pool->mutex);
	- num_pushed = pool->queue.length;
	- bson_mutex_unlock (&pool->mutex);
	-
	- RETURN (num_pushed);
	-}
	-
	-
	-mongoc_topology_t *
	-_mongoc_client_pool_get_topology (mongoc_client_pool_t *pool)
	-{
	- return pool->topology;
	-}
	-
	-
	-void
	-mongoc_client_pool_max_size (mongoc_client_pool_t *pool, uint32_t max_pool_size)
	-{
	- ENTRY;
	-
	- bson_mutex_lock (&pool->mutex);
	- pool->max_pool_size = max_pool_size;
	- bson_mutex_unlock (&pool->mutex);
	-
	- EXIT;
	-}
	-
	-void
	-mongoc_client_pool_min_size (mongoc_client_pool_t *pool, uint32_t min_pool_size)
	-{
	- ENTRY;
	-
	- MONGOC_WARNING (
	- "mongoc_client_pool_min_size is deprecated; its behavior does not match"
	- " its name, and its actual behavior will likely hurt performance.");
	-
	- bson_mutex_lock (&pool->mutex);
	- pool->min_pool_size = min_pool_size;
	- bson_mutex_unlock (&pool->mutex);
	-
	- EXIT;
	-}
	-
	-bool
	-mongoc_client_pool_set_apm_callbacks (mongoc_client_pool_t *pool,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context)
	-{
	- mongoc_topology_t *const topology = BSON_ASSERT_PTR_INLINE (pool)->topology;
	- mc_tpld_modification tdmod;
	-
	- if (pool->apm_callbacks_set) {
	- MONGOC_ERROR ("Can only set callbacks once");
	- return false;
	- }
	-
	- tdmod = mc_tpld_modify_begin (topology);
	-
	- if (callbacks) {
	- memcpy (&tdmod.new_td->apm_callbacks,
	- callbacks,
	- sizeof (mongoc_apm_callbacks_t));
	- memcpy (&pool->apm_callbacks, callbacks, sizeof (mongoc_apm_callbacks_t));
	- }
	-
	- mongoc_topology_set_apm_callbacks (
	- topology, tdmod.new_td, callbacks, context);
	- tdmod.new_td->apm_context = context;
	- pool->apm_context = context;
	- pool->apm_callbacks_set = true;
	-
	- mc_tpld_modify_commit (tdmod);
	-
	- return true;
	-}
	-
	-bool
	-mongoc_client_pool_set_error_api (mongoc_client_pool_t *pool, int32_t version)
	-{
	- if (version != MONGOC_ERROR_API_VERSION_LEGACY &&
	- version != MONGOC_ERROR_API_VERSION_2) {
	- MONGOC_ERROR ("Unsupported Error API Version: %" PRId32, version);
	- return false;
	- }
	-
	- if (pool->error_api_set) {
	- MONGOC_ERROR ("Can only set Error API Version once");
	- return false;
	- }
	-
	- pool->error_api_version = version;
	- pool->error_api_set = true;
	-
	- return true;
	-}
	-
	-bool
	-mongoc_client_pool_set_appname (mongoc_client_pool_t pool, const char appname)
	-{
	- bool ret;
	-
	- bson_mutex_lock (&pool->mutex);
	- ret = _mongoc_topology_set_appname (pool->topology, appname);
	- bson_mutex_unlock (&pool->mutex);
	-
	- return ret;
	-}
	-
	-bool
	-mongoc_client_pool_enable_auto_encryption (mongoc_client_pool_t *pool,
	- mongoc_auto_encryption_opts_t *opts,
	- bson_error_t *error)
	-{
	- return _mongoc_cse_client_pool_enable_auto_encryption (
	- pool->topology, opts, error);
	-}
	-
	-bool
	-mongoc_client_pool_set_server_api (mongoc_client_pool_t *pool,
	- const mongoc_server_api_t *api,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (pool);
	- BSON_ASSERT_PARAM (api);
	-
	- if (pool->api) {
	- bson_set_error (error,
	- MONGOC_ERROR_POOL,
	- MONGOC_ERROR_POOL_API_ALREADY_SET,
	- "Cannot set server api more than once per pool");
	- return false;
	- }
	-
	- if (pool->client_initialized) {
	- bson_set_error (error,
	- MONGOC_ERROR_POOL,
	- MONGOC_ERROR_POOL_API_TOO_LATE,
	- "Cannot set server api after a client has been created");
	- return false;
	- }
	-
	- pool->api = mongoc_server_api_copy (api);
	-
	- _mongoc_topology_scanner_set_server_api (pool->topology->scanner, api);
	-
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.h
	deleted file mode 100644
	index d524ca1b..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.h
	+++ /dev/null
	@@ -1,84 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_CLIENT_POOL_H
	-#define MONGOC_CLIENT_POOL_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-macros.h"
	-#include "mongoc-apm.h"
	-#include "mongoc-client.h"
	-#include "mongoc-config.h"
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-ssl.h"
	-#endif
	-#include "mongoc-uri.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-typedef struct _mongoc_client_pool_t mongoc_client_pool_t;
	-
	-
	-MONGOC_EXPORT (mongoc_client_pool_t *)
	-mongoc_client_pool_new (const mongoc_uri_t *uri) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_client_pool_destroy (mongoc_client_pool_t *pool);
	-MONGOC_EXPORT (mongoc_client_t *)
	-mongoc_client_pool_pop (mongoc_client_pool_t *pool)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_client_pool_push (mongoc_client_pool_t pool, mongoc_client_t client);
	-MONGOC_EXPORT (mongoc_client_t *)
	-mongoc_client_pool_try_pop (mongoc_client_pool_t *pool)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_client_pool_max_size (mongoc_client_pool_t *pool,
	- uint32_t max_pool_size);
	-MONGOC_EXPORT (void)
	-mongoc_client_pool_min_size (mongoc_client_pool_t *pool,
	- uint32_t min_pool_size) BSON_GNUC_DEPRECATED;
	-#ifdef MONGOC_ENABLE_SSL
	-MONGOC_EXPORT (void)
	-mongoc_client_pool_set_ssl_opts (mongoc_client_pool_t *pool,
	- const mongoc_ssl_opt_t *opts);
	-#endif
	-MONGOC_EXPORT (bool)
	-mongoc_client_pool_set_apm_callbacks (mongoc_client_pool_t *pool,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context);
	-MONGOC_EXPORT (bool)
	-mongoc_client_pool_set_error_api (mongoc_client_pool_t *pool, int32_t version);
	-MONGOC_EXPORT (bool)
	-mongoc_client_pool_set_appname (mongoc_client_pool_t *pool,
	- const char *appname);
	-MONGOC_EXPORT (bool)
	-mongoc_client_pool_enable_auto_encryption (mongoc_client_pool_t *pool,
	- mongoc_auto_encryption_opts_t *opts,
	- bson_error_t *error);
	-MONGOC_EXPORT (bool)
	-mongoc_client_pool_set_server_api (mongoc_client_pool_t *pool,
	- const mongoc_server_api_t *api,
	- bson_error_t *error);
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_CLIENT_POOL_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-private.h
	deleted file mode 100644
	index db5e6cc2..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-private.h
	+++ /dev/null
	@@ -1,245 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_CLIENT_PRIVATE_H
	-#define MONGOC_CLIENT_PRIVATE_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-apm-private.h"
	-#include "mongoc-buffer-private.h"
	-#include "mongoc-client.h"
	-#include "mongoc-cluster-private.h"
	-#include "mongoc-config.h"
	-#include "mongoc-host-list.h"
	-#include "mongoc-read-prefs.h"
	-#include "mongoc-rpc-private.h"
	-#include "mongoc-opcode.h"
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-ssl.h"
	-#endif
	-
	-#include "mongoc-stream.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-write-concern.h"
	-#include "mongoc-crypt-private.h"
	-
	-BSON_BEGIN_DECLS
	-
	-/* protocol versions this driver can speak */
	-#define WIRE_VERSION_MIN 3 /* a.k.a. minWireVersion */
	-#define WIRE_VERSION_MAX 14 /* a.k.a. maxWireVersion */
	-
	-/* first version that supported "find" and "getMore" commands */
	-#define WIRE_VERSION_FIND_CMD 4
	-/* first version with "killCursors" command */
	-#define WIRE_VERSION_KILLCURSORS_CMD 4
	-/* first version when findAndModify accepts writeConcern */
	-#define WIRE_VERSION_FAM_WRITE_CONCERN 4
	-/* first version to support readConcern */
	-#define WIRE_VERSION_READ_CONCERN 4
	-/* first version to support maxStalenessSeconds */
	-#define WIRE_VERSION_MAX_STALENESS 5
	-/* first version to support writeConcern */
	-#define WIRE_VERSION_CMD_WRITE_CONCERN 5
	-/* first version to support collation */
	-#define WIRE_VERSION_COLLATION 5
	-/* first version to support server-side errors for unsupported hint options */
	-#define WIRE_VERSION_HINT_SERVER_SIDE_ERROR 5
	-/* first version to support OP_MSG */
	-#define WIRE_VERSION_OP_MSG 6
	-/* first version to support array filters for "update" command */
	-#define WIRE_VERSION_ARRAY_FILTERS 6
	-/* first version to support retryable reads */
	-#define WIRE_VERSION_RETRY_READS 6
	-/* first version to support retryable writes */
	-#define WIRE_VERSION_RETRY_WRITES 6
	-/* version corresponding to server 4.0 release */
	-#define WIRE_VERSION_4_0 7
	-/* first version to support hint for "update" command */
	-#define WIRE_VERSION_UPDATE_HINT 8
	-/* version corresponding to server 4.2 release */
	-#define WIRE_VERSION_4_2 8
	-/* version corresponding to client side field level encryption support. */
	-#define WIRE_VERSION_CSE 8
	-/* first version to throw server-side errors for unsupported hint in
	- * "findAndModify" command */
	-#define WIRE_VERSION_FIND_AND_MODIFY_HINT_SERVER_SIDE_ERROR 8
	-/* first version to support hint for "delete" command */
	-#define WIRE_VERSION_DELETE_HINT 9
	-/* first version to support hint for "findAndModify" command */
	-#define WIRE_VERSION_FIND_AND_MODIFY_HINT 9
	-/* version corresponding to server 4.4 release */
	-#define WIRE_VERSION_4_4 9
	-/* version corresponding to retryable writes error label */
	-#define WIRE_VERSION_RETRYABLE_WRITE_ERROR_LABEL 9
	-/* first version to support server hedged reads */
	-#define WIRE_VERSION_HEDGED_READS 9
	-/* first version to support estimatedDocumentCount with collStats */
	-#define WIRE_VERSION_4_9 12
	-/* version corresponding to server 5.0 release */
	-#define WIRE_VERSION_5_0 13
	-/* first version to support snapshot reads */
	-#define WIRE_VERSION_SNAPSHOT_READS 13
	-
	-struct _mongoc_collection_t;
	-
	-struct _mongoc_client_t {
	- mongoc_uri_t *uri;
	- mongoc_cluster_t cluster;
	- bool in_exhaust;
	- bool is_pooled;
	-
	- mongoc_stream_initiator_t initiator;
	- void *initiator_data;
	-
	-#ifdef MONGOC_ENABLE_SSL
	- bool use_ssl;
	- mongoc_ssl_opt_t ssl_opts;
	-#endif
	-
	- mongoc_topology_t *topology;
	-
	- mongoc_read_prefs_t *read_prefs;
	- mongoc_read_concern_t *read_concern;
	- mongoc_write_concern_t *write_concern;
	-
	- mongoc_apm_callbacks_t apm_callbacks;
	- void *apm_context;
	-
	- int32_t error_api_version;
	- bool error_api_set;
	-
	- mongoc_server_api_t *api;
	-
	- /* mongoc_client_session_t's in use, to look up lsids and clusterTimes */
	- mongoc_set_t *client_sessions;
	- unsigned int csid_rand_seed;
	-
	- uint32_t generation;
	-};
	-
	-/* Defines whether _mongoc_client_command_with_opts() is acting as a read
	- * command helper for a command like "distinct", or a write command helper for
	- * a command like "createRole", or both, like "aggregate" with "$out".
	- */
	-typedef enum {
	- MONGOC_CMD_RAW = 0,
	- MONGOC_CMD_READ = 1,
	- MONGOC_CMD_WRITE = 2,
	- MONGOC_CMD_RW = 3,
	-} mongoc_command_mode_t;
	-
	-BSON_STATIC_ASSERT2 (mongoc_cmd_rw,
	- MONGOC_CMD_RW == (MONGOC_CMD_READ \| MONGOC_CMD_WRITE));
	-
	-
	-/* TODO (CDRIVER-4052): Move MONGOC_RR_DEFAULT_BUFFER_SIZE and
	- * _mongoc_client_get_rr to mongoc-topology-private.h or in a separate file.
	- * There is no reason these should be in mongoc-client. */
	-#define MONGOC_RR_DEFAULT_BUFFER_SIZE 1024
	-bool
	-_mongoc_client_get_rr (const char *service,
	- mongoc_rr_type_t rr_type,
	- mongoc_rr_data_t *rr_data,
	- size_t initial_buffer_size,
	- bson_error_t *error);
	-
	-mongoc_client_t *
	-_mongoc_client_new_from_uri (mongoc_topology_t *topology);
	-
	-bool
	-_mongoc_client_set_apm_callbacks_private (mongoc_client_t *client,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context);
	-
	-mongoc_stream_t *
	-mongoc_client_default_stream_initiator (const mongoc_uri_t *uri,
	- const mongoc_host_list_t *host,
	- void *user_data,
	- bson_error_t *error);
	-
	-mongoc_stream_t *
	-_mongoc_client_create_stream (mongoc_client_t *client,
	- const mongoc_host_list_t *host,
	- bson_error_t *error);
	-
	-bool
	-_mongoc_client_recv (mongoc_client_t *client,
	- mongoc_rpc_t *rpc,
	- mongoc_buffer_t *buffer,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error);
	-
	-void
	-_mongoc_client_kill_cursor (mongoc_client_t *client,
	- uint32_t server_id,
	- int64_t cursor_id,
	- int64_t operation_id,
	- const char *db,
	- const char *collection,
	- mongoc_client_session_t *cs);
	-bool
	-_mongoc_client_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- mongoc_command_mode_t mode,
	- const bson_t *opts,
	- mongoc_query_flags_t flags,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- mongoc_read_concern_t *default_rc,
	- mongoc_write_concern_t *default_wc,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-mongoc_server_session_t *
	-_mongoc_client_pop_server_session (mongoc_client_t *client,
	- bson_error_t *error);
	-
	-bool
	-_mongoc_client_lookup_session (const mongoc_client_t *client,
	- uint32_t client_session_id,
	- mongoc_client_session_t **cs,
	- bson_error_t *error);
	-
	-void
	-_mongoc_client_unregister_session (mongoc_client_t *client,
	- mongoc_client_session_t *session);
	-
	-void
	-_mongoc_client_push_server_session (mongoc_client_t *client,
	- mongoc_server_session_t *server_session);
	-void
	-_mongoc_client_end_sessions (mongoc_client_t *client);
	-
	-mongoc_stream_t *
	-mongoc_client_connect_tcp (int32_t connecttimeoutms,
	- const mongoc_host_list_t *host,
	- bson_error_t *error);
	-
	-mongoc_stream_t *
	-mongoc_client_connect (bool buffered,
	- bool use_ssl,
	- void *ssl_opts_void,
	- const mongoc_uri_t *uri,
	- const mongoc_host_list_t *host,
	- bson_error_t *error);
	-BSON_END_DECLS
	-
	-#endif /* MONGOC_CLIENT_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.c
	deleted file mode 100644
	index 00e889c4..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.c
	+++ /dev/null
	@@ -1,3167 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include <bson/bson.h>
	-#include "mongoc-config.h"
	-#ifdef MONGOC_HAVE_DNSAPI
	-/* for DnsQuery_UTF8 */
	-#include <Windows.h>
	-#include <WinDNS.h>
	-#include <ws2tcpip.h>
	-#else
	-#if defined(MONGOC_HAVE_RES_NSEARCH) \|\| defined(MONGOC_HAVE_RES_SEARCH)
	-#include <netdb.h>
	-#include <netinet/tcp.h>
	-#include <arpa/nameser.h>
	-#include <resolv.h>
	-#define BSON_INSIDE
	-#include <bson/bson-string.h>
	-#undef BSON_INSIDE
	-
	-#endif
	-#endif
	-
	-#include "mongoc-client-private.h"
	-#include "mongoc-client-side-encryption-private.h"
	-#include "mongoc-collection-private.h"
	-#include "mongoc-counters-private.h"
	-#include "mongoc-database-private.h"
	-#include "mongoc-gridfs-private.h"
	-#include "mongoc-error.h"
	-#include "mongoc-error-private.h"
	-#include "mongoc-log.h"
	-#include "mongoc-queue-private.h"
	-#include "mongoc-socket.h"
	-#include "mongoc-stream-buffered.h"
	-#include "mongoc-stream-socket.h"
	-#include "mongoc-thread-private.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-uri-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-set-private.h"
	-#include "mongoc-log.h"
	-#include "mongoc-write-concern-private.h"
	-#include "mongoc-read-concern-private.h"
	-#include "mongoc-host-list-private.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-change-stream-private.h"
	-#include "mongoc-client-session-private.h"
	-#include "mongoc-cursor-private.h"
	-
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-stream-tls.h"
	-#include "mongoc-ssl-private.h"
	-#include "mongoc-cmd-private.h"
	-#include "mongoc-opts-private.h"
	-#endif
	-
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "client"
	-
	-
	-static void
	-_mongoc_client_op_killcursors (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- int64_t cursor_id,
	- int64_t operation_id,
	- const char *db,
	- const char *collection);
	-
	-static void
	-_mongoc_client_killcursors_command (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- int64_t cursor_id,
	- const char *db,
	- const char *collection,
	- mongoc_client_session_t *cs);
	-
	-#define DNS_ERROR(_msg, ...) \
	- do { \
	- bson_set_error (error, \
	- MONGOC_ERROR_STREAM, \
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION, \
	- _msg, \
	- __VA_ARGS__); \
	- GOTO (done); \
	- } while (0)
	-
	-
	-#ifdef MONGOC_HAVE_DNSAPI
	-
	-typedef bool (mongoc_rr_callback_t) (const char service,
	- PDNS_RECORD pdns,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error);
	-
	-static bool
	-srv_callback (const char *service,
	- PDNS_RECORD pdns,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error)
	-{
	- mongoc_host_list_t new_host;
	-
	- if (rr_data && rr_data->hosts) {
	- _mongoc_host_list_remove_host (
	- &(rr_data->hosts), pdns->Data.SRV.pNameTarget, pdns->Data.SRV.wPort);
	- }
	-
	- if (!_mongoc_host_list_from_hostport_with_err (
	- &new_host, pdns->Data.SRV.pNameTarget, pdns->Data.SRV.wPort, error)) {
	- return false;
	- }
	- _mongoc_host_list_upsert (&rr_data->hosts, &new_host);
	-
	- return true;
	-}
	-
	-/* rr_data is unused, but here to match srv_callback signature */
	-static bool
	-txt_callback (const char *service,
	- PDNS_RECORD pdns,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error)
	-{
	- DWORD i;
	- bson_string_t *txt;
	-
	- txt = bson_string_new (NULL);
	-
	- for (i = 0; i < pdns->Data.TXT.dwStringCount; i++) {
	- bson_string_append (txt, pdns->Data.TXT.pStringArray[i]);
	- }
	-
	- rr_data->txt_record_opts = bson_strdup (txt->str);
	- bson_string_free (txt, true);
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_get_rr_dnsapi --
	- *
	- * Fetch SRV or TXT resource records using the Windows DNS API and
	- * put results in @rr_data.
	- *
	- * Returns:
	- * Success or failure.
	- *
	- * For an SRV lookup, returns false if there is any error.
	- *
	- * For TXT lookup, ignores any error fetching the resource record and
	- * always returns true.
	- *
	- * Side effects:
	- * @error is set if there is a failure.
	- * @rr_data->hosts may be set if querying SRV. Caller must destroy.
	- * @rr_data->txt_record_opts may be set if querying TXT. Caller must
	- * free.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_get_rr_dnsapi (const char *service,
	- mongoc_rr_type_t rr_type,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error)
	-{
	- const char *rr_type_name;
	- WORD nst;
	- mongoc_rr_callback_t callback;
	- PDNS_RECORD pdns = NULL;
	- DNS_STATUS res;
	- LPVOID lpMsgBuf = NULL;
	- bool dns_success;
	- bool callback_success = true;
	- int i;
	-
	- ENTRY;
	-
	- if (rr_type == MONGOC_RR_SRV) {
	- /* return true only if DNS succeeds */
	- dns_success = false;
	- rr_type_name = "SRV";
	- nst = DNS_TYPE_SRV;
	- callback = srv_callback;
	- } else {
	- /* return true whether or not DNS succeeds */
	- dns_success = true;
	- rr_type_name = "TXT";
	- nst = DNS_TYPE_TEXT;
	- callback = txt_callback;
	- }
	-
	- res = DnsQuery_UTF8 (service,
	- nst,
	- DNS_QUERY_BYPASS_CACHE,
	- NULL /* IP Address */,
	- &pdns,
	- 0 /* reserved */);
	-
	- if (res) {
	- DWORD flags = FORMAT_MESSAGE_ALLOCATE_BUFFER \|
	- FORMAT_MESSAGE_FROM_SYSTEM \| FORMAT_MESSAGE_IGNORE_INSERTS;
	-
	- if (FormatMessage (flags,
	- 0,
	- res,
	- MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
	- (LPTSTR) &lpMsgBuf,
	- 0,
	- 0)) {
	- DNS_ERROR ("Failed to look up %s record \"%s\": %s",
	- rr_type_name,
	- service,
	- (char *) lpMsgBuf);
	- }
	-
	- DNS_ERROR ("Failed to look up %s record \"%s\": Unknown error",
	- rr_type_name,
	- service);
	- }
	-
	- if (!pdns) {
	- DNS_ERROR ("No %s records for \"%s\"", rr_type_name, service);
	- }
	-
	- i = 0;
	-
	- do {
	- /* DnsQuery can return additional records not of the requested type */
	- if ((rr_type == MONGOC_RR_TXT && pdns->wType == DNS_TYPE_TEXT) \|\|
	- (rr_type == MONGOC_RR_SRV && pdns->wType == DNS_TYPE_SRV)) {
	- if (i > 0 && rr_type == MONGOC_RR_TXT) {
	- /* Initial DNS Seedlist Discovery Spec: a client "MUST raise an
	- error when multiple TXT records are encountered". */
	- callback_success = false;
	- DNS_ERROR ("Multiple TXT records for \"%s\"", service);
	- }
	-
	- if (rr_data) {
	- if ((i == 0) \|\| (pdns->dwTtl < rr_data->min_ttl)) {
	- rr_data->min_ttl = pdns->dwTtl;
	- }
	- }
	-
	- if (!callback (service, pdns, rr_data, error)) {
	- callback_success = false;
	- GOTO (done);
	- }
	-
	- i++;
	- }
	-
	- pdns = pdns->pNext;
	- } while (pdns);
	-
	-
	- rr_data->count = i;
	- if (i == 0) {
	- DNS_ERROR ("No matching %s records for \"%s\"", rr_type_name, service);
	- }
	- dns_success = true;
	-
	-done:
	- if (pdns) {
	- DnsRecordListFree (pdns, DnsFreeRecordList);
	- }
	-
	- if (lpMsgBuf) {
	- LocalFree (lpMsgBuf);
	- }
	-
	- RETURN (dns_success && callback_success);
	-}
	-
	-#elif (defined(MONGOC_HAVE_RES_NSEARCH) \|\| defined(MONGOC_HAVE_RES_SEARCH))
	-
	-typedef bool (mongoc_rr_callback_t) (const char service,
	- ns_msg *ns_answer,
	- ns_rr *rr,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error);
	-
	-static const char *
	-_mongoc_hstrerror (int code)
	-{
	- switch (code) {
	- case HOST_NOT_FOUND:
	- return "The specified host is unknown.";
	- case NO_ADDRESS:
	- return "The requested name is valid but does not have an IP address.";
	- case NO_RECOVERY:
	- return "A nonrecoverable name server error occurred.";
	- case TRY_AGAIN:
	- return "A temporary error occurred on an authoritative name server. Try "
	- "again later.";
	- default:
	- return "An unknown error occurred.";
	- }
	-}
	-
	-static bool
	-srv_callback (const char *service,
	- ns_msg *ns_answer,
	- ns_rr *rr,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error)
	-{
	- const uint8_t *data;
	- char name[1024];
	- uint16_t port;
	- int size;
	- bool ret = false;
	- mongoc_host_list_t new_host;
	-
	- data = ns_rr_rdata (*rr);
	- /* memcpy the network endian port before converting to host endian. we cannot
	- * cast (data + 4) directly as a uint16_t*, because it may not align on an
	- * 2-byte boundary. */
	- memcpy (&port, data + 4, sizeof (port));
	- port = ntohs (port);
	- size = dn_expand (ns_msg_base (*ns_answer),
	- ns_msg_end (*ns_answer),
	- data + 6,
	- name,
	- sizeof (name));
	-
	- if (size < 1) {
	- DNS_ERROR ("Invalid record in SRV answer for \"%s\": \"%s\"",
	- service,
	- _mongoc_hstrerror (h_errno));
	- }
	-
	- if (!_mongoc_host_list_from_hostport_with_err (
	- &new_host, name, port, error)) {
	- GOTO (done);
	- }
	- _mongoc_host_list_upsert (&rr_data->hosts, &new_host);
	- ret = true;
	-done:
	- return ret;
	-}
	-
	-static bool
	-txt_callback (const char *service,
	- ns_msg *ns_answer,
	- ns_rr *rr,
	- mongoc_rr_data_t *rr_data,
	- bson_error_t *error)
	-{
	- char s[256];
	- const uint8_t *data;
	- bson_string_t *txt;
	- uint16_t pos, total;
	- uint8_t len;
	- bool ret = false;
	-
	- total = (uint16_t) ns_rr_rdlen (*rr);
	- if (total < 1 \|\| total > 255) {
	- DNS_ERROR ("Invalid TXT record size %hu for \"%s\"", total, service);
	- }
	-
	- /* a TXT record has one or more strings, each up to 255 chars, each is
	- * prefixed by its length as 1 byte. thus endianness doesn't matter. */
	- txt = bson_string_new (NULL);
	- pos = 0;
	- data = ns_rr_rdata (*rr);
	-
	- while (pos < total) {
	- memcpy (&len, data + pos, sizeof (uint8_t));
	- pos++;
	- bson_strncpy (s, (const char *) (data + pos), (size_t) len + 1);
	- bson_string_append (txt, s);
	- pos += len;
	- }
	-
	- rr_data->txt_record_opts = bson_strdup (txt->str);
	- bson_string_free (txt, true);
	- ret = true;
	-
	-done:
	- return ret;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_get_rr_search --
	- *
	- * Fetch SRV or TXT resource records using libresolv and put results in
	- * @rr_data.
	- *
	- * Returns:
	- * Success or failure.
	- *
	- * For an SRV lookup, returns false if there is any error.
	- *
	- * For TXT lookup, ignores any error fetching the resource record and
	- * always returns true.
	- *
	- * Side effects:
	- * @error is set if there is a failure.
	- * @rr_data->hosts may be set if querying SRV. Caller must destroy.
	- * @rr_data->txt_record_opts may be set if querying TXT. Caller must
	- * free.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_get_rr_search (const char *service,
	- mongoc_rr_type_t rr_type,
	- mongoc_rr_data_t *rr_data,
	- size_t initial_buffer_size,
	- bson_error_t *error)
	-{
	-#ifdef MONGOC_HAVE_RES_NSEARCH
	- struct __res_state state = {0};
	-#endif
	- int size = 0;
	- unsigned char *search_buf = NULL;
	- size_t buffer_size = initial_buffer_size;
	- ns_msg ns_answer;
	- int n;
	- int i;
	- const char *rr_type_name;
	- ns_type nst;
	- mongoc_rr_callback_t callback;
	- ns_rr resource_record;
	- bool dns_success;
	- bool callback_success = true;
	- int num_matching_records;
	- uint32_t ttl;
	-
	- ENTRY;
	-
	- if (rr_type == MONGOC_RR_SRV) {
	- /* return true only if DNS succeeds */
	- dns_success = false;
	- rr_type_name = "SRV";
	- nst = ns_t_srv;
	- callback = srv_callback;
	- } else {
	- /* return true whether or not DNS succeeds */
	- dns_success = true;
	- rr_type_name = "TXT";
	- nst = ns_t_txt;
	- callback = txt_callback;
	- }
	-
	- do {
	- if (search_buf) {
	- bson_free (search_buf);
	-
	- /* increase buffer size by the previous response size. This ensures
	- * that even if a subsequent response is larger, we'll still be able
	- * to fit it in the response buffer */
	- buffer_size = buffer_size + size;
	- }
	-
	- search_buf = (unsigned char *) bson_malloc (buffer_size);
	- BSON_ASSERT (search_buf);
	-
	-#ifdef MONGOC_HAVE_RES_NSEARCH
	- /* thread-safe */
	- res_ninit (&state);
	- size =
	- res_nsearch (&state, service, ns_c_in, nst, search_buf, buffer_size);
	-#elif defined(MONGOC_HAVE_RES_SEARCH)
	- size = res_search (service, ns_c_in, nst, search_buf, buffer_size);
	-#endif
	-
	- if (size < 0) {
	- DNS_ERROR ("Failed to look up %s record \"%s\": %s",
	- rr_type_name,
	- service,
	- _mongoc_hstrerror (h_errno));
	- }
	- } while (size >= buffer_size);
	-
	- if (ns_initparse (search_buf, size, &ns_answer)) {
	- DNS_ERROR ("Invalid %s answer for \"%s\"", rr_type_name, service);
	- }
	-
	- n = ns_msg_count (ns_answer, ns_s_an);
	- if (!n) {
	- DNS_ERROR ("No %s records for \"%s\"", rr_type_name, service);
	- }
	-
	- rr_data->count = n;
	- num_matching_records = 0;
	- for (i = 0; i < n; i++) {
	- if (ns_parserr (&ns_answer, ns_s_an, i, &resource_record)) {
	- DNS_ERROR ("Invalid record %d of %s answer for \"%s\": \"%s\"",
	- i,
	- rr_type_name,
	- service,
	- _mongoc_hstrerror (h_errno));
	- }
	-
	- /* Skip records that don't match the ones we requested. CDRIVER-3628 shows
	- * that we can receive records that were not requested. */
	- if (rr_type == MONGOC_RR_TXT) {
	- if (ns_rr_type (resource_record) != ns_t_txt) {
	- continue;
	- }
	- } else if (rr_type == MONGOC_RR_SRV) {
	- if (ns_rr_type (resource_record) != ns_t_srv) {
	- continue;
	- }
	- }
	-
	- if (num_matching_records > 0 && rr_type == MONGOC_RR_TXT) {
	- /* Initial DNS Seedlist Discovery Spec: a client "MUST raise an error
	- * when multiple TXT records are encountered". */
	- callback_success = false;
	- DNS_ERROR ("Multiple TXT records for \"%s\"", service);
	- }
	-
	- num_matching_records++;
	-
	- ttl = ns_rr_ttl (resource_record);
	- if ((i == 0) \|\| (ttl < rr_data->min_ttl)) {
	- rr_data->min_ttl = ttl;
	- }
	-
	- if (!callback (service, &ns_answer, &resource_record, rr_data, error)) {
	- callback_success = false;
	- GOTO (done);
	- }
	- }
	-
	- if (num_matching_records == 0) {
	- DNS_ERROR ("No matching %s records for \"%s\"", rr_type_name, service);
	- }
	-
	- dns_success = true;
	-
	-done:
	-
	- bson_free (search_buf);
	-
	-#ifdef MONGOC_HAVE_RES_NDESTROY
	- /* defined on BSD/Darwin, and only if MONGOC_HAVE_RES_NSEARCH is defined */
	- res_ndestroy (&state);
	-#elif defined(MONGOC_HAVE_RES_NCLOSE)
	- /* defined on Linux, and only if MONGOC_HAVE_RES_NSEARCH is defined */
	- res_nclose (&state);
	-#endif
	- RETURN (dns_success && callback_success);
	-}
	-#endif
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_client_get_rr --
	- *
	- * Fetch an SRV or TXT resource record and update put results in
	- * @rr_data.
	- *
	- * See RFCs 1464 and 2782, MongoDB's "Initial DNS Seedlist Discovery"
	- * spec, and MongoDB's "Polling SRV Records for Mongos Discovery"
	- * spec.
	- *
	- * Returns:
	- * Success or failure.
	- *
	- * Side effects:
	- * @error is set if there is a failure. Errors fetching TXT are
	- * ignored.
	- * @rr_data->hosts may be set if querying SRV. Caller must destroy.
	- * @rr_data->txt_record_opts may be set if querying TXT. Caller must
	- * free.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-_mongoc_client_get_rr (const char *service,
	- mongoc_rr_type_t rr_type,
	- mongoc_rr_data_t *rr_data,
	- size_t initial_buffer_size,
	- bson_error_t *error)
	-{
	- BSON_ASSERT (rr_data);
	-
	-#ifdef MONGOC_HAVE_DNSAPI
	- return _mongoc_get_rr_dnsapi (service, rr_type, rr_data, error);
	-#elif (defined(MONGOC_HAVE_RES_NSEARCH) \|\| defined(MONGOC_HAVE_RES_SEARCH))
	- return _mongoc_get_rr_search (
	- service, rr_type, rr_data, initial_buffer_size, error);
	-#else
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	- "libresolv unavailable, cannot use mongodb+srv URI");
	- return false;
	-#endif
	-}
	-
	-#undef DNS_ERROR
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_connect_tcp --
	- *
	- * Connect to a host using a TCP socket.
	- *
	- * This will be performed synchronously and return a mongoc_stream_t
	- * that can be used to connect with the remote host.
	- *
	- * Returns:
	- * A newly allocated mongoc_stream_t if successful; otherwise
	- * NULL and @error is set.
	- *
	- * Side effects:
	- * @error is set if return value is NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_stream_t *
	-mongoc_client_connect_tcp (int32_t connecttimeoutms,
	- const mongoc_host_list_t *host,
	- bson_error_t *error)
	-{
	- mongoc_socket_t *sock = NULL;
	- struct addrinfo hints;
	- struct addrinfo result, rp;
	- int64_t expire_at;
	- char portstr[8];
	- int s;
	-
	- ENTRY;
	-
	- BSON_ASSERT (connecttimeoutms);
	- BSON_ASSERT (host);
	-
	- bson_snprintf (portstr, sizeof portstr, "%hu", host->port);
	-
	- memset (&hints, 0, sizeof hints);
	- hints.ai_family = host->family;
	- hints.ai_socktype = SOCK_STREAM;
	- hints.ai_flags = 0;
	- hints.ai_protocol = 0;
	-
	- TRACE ("DNS lookup for %s", host->host);
	- s = getaddrinfo (host->host, portstr, &hints, &result);
	-
	- if (s != 0) {
	- mongoc_counter_dns_failure_inc ();
	- TRACE ("Failed to resolve %s", host->host);
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	- "Failed to resolve %s",
	- host->host);
	- RETURN (NULL);
	- }
	-
	- mongoc_counter_dns_success_inc ();
	-
	- for (rp = result; rp; rp = rp->ai_next) {
	- /*
	- * Create a new non-blocking socket.
	- */
	- if (!(sock = mongoc_socket_new (
	- rp->ai_family, rp->ai_socktype, rp->ai_protocol))) {
	- continue;
	- }
	-
	- /*
	- * Try to connect to the peer.
	- */
	- expire_at = bson_get_monotonic_time () + (connecttimeoutms * 1000L);
	- if (0 !=
	- mongoc_socket_connect (
	- sock, rp->ai_addr, (mongoc_socklen_t) rp->ai_addrlen, expire_at)) {
	- mongoc_socket_destroy (sock);
	- sock = NULL;
	- continue;
	- }
	-
	- break;
	- }
	-
	- if (!sock) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "Failed to connect to target host: %s",
	- host->host_and_port);
	- freeaddrinfo (result);
	- RETURN (NULL);
	- }
	-
	- freeaddrinfo (result);
	-
	- return mongoc_stream_socket_new (sock);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_connect_unix --
	- *
	- * Connect to a MongoDB server using a UNIX domain socket.
	- *
	- * Returns:
	- * A newly allocated mongoc_stream_t if successful; otherwise
	- * NULL and @error is set.
	- *
	- * Side effects:
	- * @error is set if return value is NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static mongoc_stream_t *
	-mongoc_client_connect_unix (const mongoc_host_list_t host, bson_error_t error)
	-{
	-#ifdef _WIN32
	- ENTRY;
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "UNIX domain sockets not supported on win32.");
	- RETURN (NULL);
	-#else
	- struct sockaddr_un saddr;
	- mongoc_socket_t *sock;
	- mongoc_stream_t *ret = NULL;
	-
	- ENTRY;
	-
	- BSON_ASSERT (host);
	-
	- memset (&saddr, 0, sizeof saddr);
	- saddr.sun_family = AF_UNIX;
	- bson_snprintf (saddr.sun_path, sizeof saddr.sun_path - 1, "%s", host->host);
	-
	- sock = mongoc_socket_new (AF_UNIX, SOCK_STREAM, 0);
	-
	- if (sock == NULL) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "Failed to create socket.");
	- RETURN (NULL);
	- }
	-
	- if (-1 == mongoc_socket_connect (
	- sock, (struct sockaddr *) &saddr, sizeof saddr, -1)) {
	- mongoc_socket_destroy (sock);
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "Failed to connect to UNIX domain socket.");
	- RETURN (NULL);
	- }
	-
	- ret = mongoc_stream_socket_new (sock);
	-
	- RETURN (ret);
	-#endif
	-}
	-
	-mongoc_stream_t *
	-mongoc_client_connect (bool buffered,
	- bool use_ssl,
	- void *ssl_opts_void,
	- const mongoc_uri_t *uri,
	- const mongoc_host_list_t *host,
	- bson_error_t *error)
	-{
	- mongoc_stream_t *base_stream = NULL;
	- int32_t connecttimeoutms;
	-
	- BSON_ASSERT (uri);
	- BSON_ASSERT (host);
	-
	-#ifndef MONGOC_ENABLE_SSL
	- if (ssl_opts_void \|\| mongoc_uri_get_tls (uri)) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_NO_ACCEPTABLE_PEER,
	- "TLS is not enabled in this build of mongo-c-driver.");
	- return NULL;
	- }
	-#endif
	-
	- connecttimeoutms = mongoc_uri_get_option_as_int32 (
	- uri, MONGOC_URI_CONNECTTIMEOUTMS, MONGOC_DEFAULT_CONNECTTIMEOUTMS);
	-
	- switch (host->family) {
	- case AF_UNSPEC:
	-#if defined(AF_INET6)
	- case AF_INET6:
	-#endif
	- case AF_INET:
	- base_stream = mongoc_client_connect_tcp (connecttimeoutms, host, error);
	- break;
	- case AF_UNIX:
	- base_stream = mongoc_client_connect_unix (host, error);
	- break;
	- default:
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_INVALID_TYPE,
	- "Invalid address family: 0x%02x",
	- host->family);
	- break;
	- }
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (base_stream) {
	- mongoc_ssl_opt_t *ssl_opts;
	- const char *mechanism;
	-
	- ssl_opts = (mongoc_ssl_opt_t *) ssl_opts_void;
	- mechanism = mongoc_uri_get_auth_mechanism (uri);
	-
	- if (use_ssl \|\| (mechanism && (0 == strcmp (mechanism, "MONGODB-X509")))) {
	- mongoc_stream_t *original = base_stream;
	-
	- base_stream = mongoc_stream_tls_new_with_hostname (
	- base_stream, host->host, ssl_opts, true);
	-
	- if (!base_stream) {
	- mongoc_stream_destroy (original);
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "Failed initialize TLS state.");
	- return NULL;
	- }
	-
	- if (!mongoc_stream_tls_handshake_block (
	- base_stream, host->host, connecttimeoutms, error)) {
	- mongoc_stream_destroy (base_stream);
	- return NULL;
	- }
	- }
	- }
	-#endif
	-
	- if (!base_stream) {
	- return NULL;
	- }
	- if (buffered) {
	- return mongoc_stream_buffered_new (base_stream, 1024);
	- }
	- return base_stream;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_default_stream_initiator --
	- *
	- * A mongoc_stream_initiator_t that will handle the various type
	- * of supported sockets by MongoDB including TCP and UNIX.
	- *
	- * Language binding authors may want to implement an alternate
	- * version of this method to use their native stream format.
	- *
	- * Returns:
	- * A mongoc_stream_t if successful; otherwise NULL and @error is set.
	- *
	- * Side effects:
	- * @error is set if return value is NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_stream_t *
	-mongoc_client_default_stream_initiator (const mongoc_uri_t *uri,
	- const mongoc_host_list_t *host,
	- void *user_data,
	- bson_error_t *error)
	-{
	- void *ssl_opts_void = NULL;
	- bool use_ssl = false;
	-#ifdef MONGOC_ENABLE_SSL
	- mongoc_client_t client = (mongoc_client_t ) user_data;
	-
	- use_ssl = client->use_ssl;
	- ssl_opts_void = (void *) &client->ssl_opts;
	-
	-#endif
	-
	- return mongoc_client_connect (
	- true, use_ssl, ssl_opts_void, uri, host, error);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_client_create_stream --
	- *
	- * INTERNAL API
	- *
	- * This function is used by the mongoc_cluster_t to initiate a
	- * new stream. This is done because cluster is private API and
	- * those using mongoc_client_t may need to override this process.
	- *
	- * This function calls the default initiator for new streams.
	- *
	- * Returns:
	- * A newly allocated mongoc_stream_t if successful; otherwise
	- * NULL and @error is set.
	- *
	- * Side effects:
	- * @error is set if return value is NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_stream_t *
	-_mongoc_client_create_stream (mongoc_client_t *client,
	- const mongoc_host_list_t *host,
	- bson_error_t *error)
	-{
	- BSON_ASSERT (client);
	- BSON_ASSERT (host);
	-
	- return client->initiator (client->uri, host, client->initiator_data, error);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_client_recv --
	- *
	- * Receives a RPC from a remote MongoDB cluster node.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @error is set if return value is false.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-_mongoc_client_recv (mongoc_client_t *client,
	- mongoc_rpc_t *rpc,
	- mongoc_buffer_t *buffer,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error)
	-{
	- BSON_ASSERT (client);
	- BSON_ASSERT (rpc);
	- BSON_ASSERT (buffer);
	- BSON_ASSERT (server_stream);
	-
	- return mongoc_cluster_try_recv (
	- &client->cluster, rpc, buffer, server_stream, error);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_new --
	- *
	- * Create a new mongoc_client_t using the URI provided.
	- *
	- * @uri should be a MongoDB URI string such as "mongodb://localhost/"
	- * More information on the format can be found at
	- * http://docs.mongodb.org/manual/reference/connection-string/
	- *
	- * Returns:
	- * A newly allocated mongoc_client_t or NULL if @uri_string is
	- * invalid.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-mongoc_client_t *
	-mongoc_client_new (const char *uri_string)
	-{
	- mongoc_topology_t *topology;
	- mongoc_client_t *client;
	- mongoc_uri_t *uri;
	-
	-
	- if (!uri_string) {
	- uri_string = "mongodb://127.0.0.1/";
	- }
	-
	- if (!(uri = mongoc_uri_new (uri_string))) {
	- return NULL;
	- }
	-
	- topology = mongoc_topology_new (uri, true);
	-
	- client = _mongoc_client_new_from_uri (topology);
	- if (!client) {
	- mongoc_topology_destroy (topology);
	- }
	- mongoc_uri_destroy (uri);
	-
	- return client;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_set_ssl_opts
	- *
	- * set ssl opts for a client
	- *
	- * Returns:
	- * Nothing
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-#ifdef MONGOC_ENABLE_SSL
	-/* Only called internally. Caller must ensure opts->internal is valid. */
	-void
	-_mongoc_client_set_internal_tls_opts (mongoc_client_t *client,
	- _mongoc_internal_tls_opts_t *internal)
	-{
	- if (!client->use_ssl) {
	- return;
	- }
	- client->ssl_opts.internal =
	- bson_malloc (sizeof (_mongoc_internal_tls_opts_t));
	- memcpy (client->ssl_opts.internal,
	- internal,
	- sizeof (_mongoc_internal_tls_opts_t));
	-}
	-
	-void
	-mongoc_client_set_ssl_opts (mongoc_client_t *client,
	- const mongoc_ssl_opt_t *opts)
	-{
	- BSON_ASSERT (client);
	- BSON_ASSERT (opts);
	-
	- _mongoc_ssl_opts_cleanup (&client->ssl_opts,
	- false /* don't free internal opts */);
	-
	- client->use_ssl = true;
	- _mongoc_ssl_opts_copy_to (
	- opts, &client->ssl_opts, false /* don't overwrite internal opts */);
	-
	- if (client->topology->single_threaded) {
	- mongoc_topology_scanner_set_ssl_opts (client->topology->scanner,
	- &client->ssl_opts);
	- }
	-}
	-#endif
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_new_from_uri --
	- *
	- * Create a new mongoc_client_t for a mongoc_uri_t.
	- *
	- * Returns:
	- * A newly allocated mongoc_client_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_client_t *
	-mongoc_client_new_from_uri (const mongoc_uri_t *uri)
	-{
	- mongoc_topology_t *topology;
	-
	- topology = mongoc_topology_new (uri, true);
	-
	- /* topology->uri may be different from uri: if this is a mongodb+srv:// URI
	- * then mongoc_topology_new has fetched SRV and TXT records and updated its
	- * uri from them.
	- */
	- return _mongoc_client_new_from_uri (topology);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_client_new_from_uri --
	- *
	- * Create a new mongoc_client_t for a given topology object.
	- *
	- * Returns:
	- * A newly allocated mongoc_client_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_client_t *
	-_mongoc_client_new_from_uri (mongoc_topology_t *topology)
	-{
	- mongoc_client_t *client;
	- const mongoc_read_prefs_t *read_prefs;
	- const mongoc_read_concern_t *read_concern;
	- const mongoc_write_concern_t *write_concern;
	- const char *appname;
	-
	- BSON_ASSERT (topology);
	-
	-#ifndef MONGOC_ENABLE_SSL
	- if (mongoc_uri_get_tls (topology->uri)) {
	- MONGOC_ERROR ("Can't create SSL client, SSL not enabled in this build.");
	- return NULL;
	- }
	-#endif
	-
	- client = (mongoc_client_t ) bson_malloc0 (sizeof client);
	- client->uri = mongoc_uri_copy (topology->uri);
	- client->initiator = mongoc_client_default_stream_initiator;
	- client->initiator_data = client;
	- client->topology = topology;
	- client->error_api_version = MONGOC_ERROR_API_VERSION_LEGACY;
	- client->error_api_set = false;
	- client->client_sessions = mongoc_set_new (8, NULL, NULL);
	- client->csid_rand_seed = (unsigned int) bson_get_monotonic_time ();
	-
	- write_concern = mongoc_uri_get_write_concern (client->uri);
	- client->write_concern = mongoc_write_concern_copy (write_concern);
	-
	- read_concern = mongoc_uri_get_read_concern (client->uri);
	- client->read_concern = mongoc_read_concern_copy (read_concern);
	-
	- read_prefs = mongoc_uri_get_read_prefs_t (client->uri);
	- client->read_prefs = mongoc_read_prefs_copy (read_prefs);
	-
	- appname =
	- mongoc_uri_get_option_as_utf8 (client->uri, MONGOC_URI_APPNAME, NULL);
	- if (appname && client->topology->single_threaded) {
	- /* the appname should have already been validated */
	- BSON_ASSERT (mongoc_client_set_appname (client, appname));
	- }
	-
	- mongoc_cluster_init (&client->cluster, client->uri, client);
	-
	-#ifdef MONGOC_ENABLE_SSL
	- client->use_ssl = false;
	- if (mongoc_uri_get_tls (client->uri)) {
	- mongoc_ssl_opt_t ssl_opt = {0};
	- _mongoc_internal_tls_opts_t internal_tls_opts = {0};
	-
	- _mongoc_ssl_opts_from_uri (&ssl_opt, &internal_tls_opts, client->uri);
	- /* sets use_ssl = true */
	- mongoc_client_set_ssl_opts (client, &ssl_opt);
	- _mongoc_client_set_internal_tls_opts (client, &internal_tls_opts);
	- }
	-#endif
	-
	- mongoc_counter_clients_active_inc ();
	-
	- return client;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_destroy --
	- *
	- * Destroys a mongoc_client_t and cleans up all resources associated
	- * with the client instance.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @client is destroyed.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_client_destroy (mongoc_client_t *client)
	-{
	- if (client) {
	- if (client->topology->single_threaded) {
	- _mongoc_client_end_sessions (client);
	- mongoc_topology_destroy (client->topology);
	- }
	-
	- mongoc_write_concern_destroy (client->write_concern);
	- mongoc_read_concern_destroy (client->read_concern);
	- mongoc_read_prefs_destroy (client->read_prefs);
	- mongoc_cluster_destroy (&client->cluster);
	- mongoc_uri_destroy (client->uri);
	- mongoc_set_destroy (client->client_sessions);
	- mongoc_server_api_destroy (client->api);
	-
	-#ifdef MONGOC_ENABLE_SSL
	- _mongoc_ssl_opts_cleanup (&client->ssl_opts, true);
	-#endif
	-
	- bson_free (client);
	-
	- mongoc_counter_clients_active_dec ();
	- mongoc_counter_clients_disposed_inc ();
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_uri --
	- *
	- * Fetch the URI used for @client.
	- *
	- * Returns:
	- * A mongoc_uri_t that should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_uri_t *
	-mongoc_client_get_uri (const mongoc_client_t *client)
	-{
	- BSON_ASSERT (client);
	-
	- return client->uri;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_start_session --
	- *
	- * Creates a structure to communicate in a session over @client.
	- *
	- * This structure should be freed when the caller is done with it
	- * using mongoc_client_session_destroy().
	- *
	- * Returns:
	- * A newly allocated mongoc_client_session_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_client_session_t *
	-mongoc_client_start_session (mongoc_client_t *client,
	- const mongoc_session_opt_t *opts,
	- bson_error_t *error)
	-{
	- mongoc_server_session_t *ss;
	- mongoc_client_session_t *cs;
	- uint32_t csid;
	-
	- ENTRY;
	-
	- ss = _mongoc_client_pop_server_session (client, error);
	- if (!ss) {
	- RETURN (NULL);
	- }
	-
	- /* get a random internal id for the session, retrying on collision */
	- do {
	- csid = (uint32_t) _mongoc_rand_simple (&client->csid_rand_seed);
	- } while (mongoc_set_get (client->client_sessions, csid));
	-
	- /* causal consistency and snapshot cannot both be set. */
	- if (opts && mongoc_session_opts_get_causal_consistency (opts) &&
	- mongoc_session_opts_get_snapshot (opts)) {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_SESSION_FAILURE,
	- "Only one of causal consistency and snapshot can be enabled.");
	- _mongoc_client_push_server_session (client, ss);
	- RETURN (NULL);
	- }
	- cs = _mongoc_client_session_new (client, ss, opts, csid);
	-
	- /* remember session so if we see its client_session_id in a command, we can
	- * find its lsid and clusterTime */
	- mongoc_set_add (client->client_sessions, csid, cs);
	-
	- RETURN (cs);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_database --
	- *
	- * Fetches a newly allocated database structure to communicate with
	- * a database over @client.
	- *
	- * @database should be a db name such as "test".
	- *
	- * This structure should be freed when the caller is done with it
	- * using mongoc_database_destroy().
	- *
	- * Returns:
	- * A newly allocated mongoc_database_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_database_t *
	-mongoc_client_get_database (mongoc_client_t client, const char name)
	-{
	- BSON_ASSERT (client);
	- BSON_ASSERT (name);
	-
	- return _mongoc_database_new (client,
	- name,
	- client->read_prefs,
	- client->read_concern,
	- client->write_concern);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_default_database --
	- *
	- * Get the database named in the MongoDB connection URI, or NULL
	- * if none was specified in the URI.
	- *
	- * This structure should be freed when the caller is done with it
	- * using mongoc_database_destroy().
	- *
	- * Returns:
	- * A newly allocated mongoc_database_t or NULL.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_database_t *
	-mongoc_client_get_default_database (mongoc_client_t *client)
	-{
	- const char *db;
	-
	- BSON_ASSERT (client);
	- db = mongoc_uri_get_database (client->uri);
	-
	- if (db) {
	- return mongoc_client_get_database (client, db);
	- }
	-
	- return NULL;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_collection --
	- *
	- * This function returns a newly allocated collection structure.
	- *
	- * @db should be the name of the database, such as "test".
	- * @collection should be the name of the collection such as "test".
	- *
	- * The above would result in the namespace "test.test".
	- *
	- * You should free this structure when you are done with it using
	- * mongoc_collection_destroy().
	- *
	- * Returns:
	- * A newly allocated mongoc_collection_t that should be freed with
	- * mongoc_collection_destroy().
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_collection_t *
	-mongoc_client_get_collection (mongoc_client_t *client,
	- const char *db,
	- const char *collection)
	-{
	- BSON_ASSERT (client);
	- BSON_ASSERT (db);
	- BSON_ASSERT (collection);
	-
	- return _mongoc_collection_new (client,
	- db,
	- collection,
	- client->read_prefs,
	- client->read_concern,
	- client->write_concern);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_gridfs --
	- *
	- * This function returns a newly allocated collection structure.
	- *
	- * @db should be the name of the database, such as "test".
	- *
	- * @prefix optional prefix for GridFS collection names, or NULL. Default
	- * is "fs", thus the default collection names for GridFS are "fs.files"
	- * and "fs.chunks".
	- *
	- * Returns:
	- * A newly allocated mongoc_gridfs_t that should be freed with
	- * mongoc_gridfs_destroy().
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_gridfs_t *
	-mongoc_client_get_gridfs (mongoc_client_t *client,
	- const char *db,
	- const char *prefix,
	- bson_error_t *error)
	-{
	- BSON_ASSERT (client);
	- BSON_ASSERT (db);
	-
	- if (!prefix) {
	- prefix = "fs";
	- }
	-
	- return _mongoc_gridfs_new (client, db, prefix, error);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_write_concern --
	- *
	- * Fetches the default write concern for @client.
	- *
	- * Returns:
	- * A mongoc_write_concern_t that should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_write_concern_t *
	-mongoc_client_get_write_concern (const mongoc_client_t *client)
	-{
	- BSON_ASSERT (client);
	-
	- return client->write_concern;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_set_write_concern --
	- *
	- * Sets the default write concern for @client.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_client_set_write_concern (mongoc_client_t *client,
	- const mongoc_write_concern_t *write_concern)
	-{
	- BSON_ASSERT (client);
	-
	- if (write_concern != client->write_concern) {
	- if (client->write_concern) {
	- mongoc_write_concern_destroy (client->write_concern);
	- }
	- client->write_concern = write_concern
	- ? mongoc_write_concern_copy (write_concern)
	- : mongoc_write_concern_new ();
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_read_concern --
	- *
	- * Fetches the default read concern for @client.
	- *
	- * Returns:
	- * A mongoc_read_concern_t that should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_read_concern_t *
	-mongoc_client_get_read_concern (const mongoc_client_t *client)
	-{
	- BSON_ASSERT (client);
	-
	- return client->read_concern;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_set_read_concern --
	- *
	- * Sets the default read concern for @client.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_client_set_read_concern (mongoc_client_t *client,
	- const mongoc_read_concern_t *read_concern)
	-{
	- BSON_ASSERT (client);
	-
	- if (read_concern != client->read_concern) {
	- if (client->read_concern) {
	- mongoc_read_concern_destroy (client->read_concern);
	- }
	- client->read_concern = read_concern
	- ? mongoc_read_concern_copy (read_concern)
	- : mongoc_read_concern_new ();
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_get_read_prefs --
	- *
	- * Fetch the default read preferences for @client.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_read_prefs_t *
	-mongoc_client_get_read_prefs (const mongoc_client_t *client)
	-{
	- BSON_ASSERT (client);
	-
	- return client->read_prefs;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_set_read_prefs --
	- *
	- * Set the default read preferences for @client.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_client_set_read_prefs (mongoc_client_t *client,
	- const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT (client);
	-
	- if (read_prefs != client->read_prefs) {
	- if (client->read_prefs) {
	- mongoc_read_prefs_destroy (client->read_prefs);
	- }
	- client->read_prefs = read_prefs
	- ? mongoc_read_prefs_copy (read_prefs)
	- : mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	- }
	-}
	-
	-mongoc_cursor_t *
	-mongoc_client_command (mongoc_client_t *client,
	- const char *db_name,
	- mongoc_query_flags_t flags,
	- uint32_t skip,
	- uint32_t limit,
	- uint32_t batch_size,
	- const bson_t *query,
	- const bson_t *fields,
	- const mongoc_read_prefs_t *read_prefs)
	-{
	- char *ns = NULL;
	- mongoc_cursor_t *cursor;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (db_name);
	- BSON_ASSERT (query);
	-
	- /*
	- * Allow a caller to provide a fully qualified namespace
	- */
	- if (NULL == strstr (db_name, "$cmd")) {
	- ns = bson_strdup_printf ("%s.$cmd", db_name);
	- db_name = ns;
	- }
	-
	- cursor =
	- _mongoc_cursor_cmd_deprecated_new (client, db_name, query, read_prefs);
	-
	- bson_free (ns);
	- return cursor;
	-}
	-
	-
	-static bool
	-_mongoc_client_retryable_write_command_with_stream (
	- mongoc_client_t *client,
	- mongoc_cmd_parts_t *parts,
	- mongoc_server_stream_t *server_stream,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_server_stream_t *retry_server_stream = NULL;
	- bson_iter_t txn_number_iter;
	- bool is_retryable = true;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (parts->is_retryable_write);
	-
	- /* increment the transaction number for the first attempt of each retryable
	- * write command */
	- BSON_ASSERT (bson_iter_init_find (
	- &txn_number_iter, parts->assembled.command, "txnNumber"));
	- bson_iter_overwrite_int64 (
	- &txn_number_iter, ++parts->assembled.session->server_session->txn_number);
	-
	-retry:
	- ret = mongoc_cluster_run_command_monitored (
	- &client->cluster, &parts->assembled, reply, error);
	-
	- _mongoc_write_error_handle_labels (
	- ret, error, reply, server_stream->sd->max_wire_version);
	-
	- if (is_retryable) {
	- _mongoc_write_error_update_if_unsupported_storage_engine (
	- ret, error, reply);
	- }
	-
	- /* If a retryable error is encountered and the write is retryable, select
	- * a new writable stream and retry. If server selection fails or the selected
	- * server does not support retryable writes, fall through and allow the
	- * original error to be reported. */
	- if (is_retryable &&
	- _mongoc_write_error_get_type (reply) == MONGOC_WRITE_ERR_RETRY) {
	- bson_error_t ignored_error;
	-
	- /* each write command may be retried at most once */
	- is_retryable = false;
	-
	- if (retry_server_stream) {
	- mongoc_server_stream_cleanup (retry_server_stream);
	- }
	-
	- retry_server_stream = mongoc_cluster_stream_for_writes (
	- &client->cluster, parts->assembled.session, NULL, &ignored_error);
	-
	- if (retry_server_stream && retry_server_stream->sd->max_wire_version >=
	- WIRE_VERSION_RETRY_WRITES) {
	- parts->assembled.server_stream = retry_server_stream;
	- bson_destroy (reply);
	- GOTO (retry);
	- }
	- }
	-
	- if (retry_server_stream) {
	- mongoc_server_stream_cleanup (retry_server_stream);
	- }
	-
	- if (ret && error) {
	- /* if a retry succeeded, clear the initial error */
	- memset (error, 0, sizeof (bson_error_t));
	- }
	-
	- RETURN (ret);
	-}
	-
	-
	-static bool
	-_mongoc_client_retryable_read_command_with_stream (
	- mongoc_client_t *client,
	- mongoc_cmd_parts_t *parts,
	- mongoc_server_stream_t *server_stream,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_server_stream_t *retry_server_stream = NULL;
	- bool is_retryable = true;
	- bool ret;
	- bson_t reply_local;
	-
	- if (reply == NULL) {
	- reply = &reply_local;
	- }
	-
	- ENTRY;
	-
	- BSON_ASSERT (parts->is_retryable_read);
	-
	-retry:
	- ret = mongoc_cluster_run_command_monitored (
	- &client->cluster, &parts->assembled, reply, error);
	-
	- /* If a retryable error is encountered and the read is retryable, select
	- * a new readable stream and retry. If server selection fails or the selected
	- * server does not support retryable reads, fall through and allow the
	- * original error to be reported. */
	- if (is_retryable && _mongoc_read_error_get_type (ret, error, reply) ==
	- MONGOC_READ_ERR_RETRY) {
	- bson_error_t ignored_error;
	-
	- /* each read command may be retried at most once */
	- is_retryable = false;
	-
	- if (retry_server_stream) {
	- mongoc_server_stream_cleanup (retry_server_stream);
	- }
	-
	- retry_server_stream =
	- mongoc_cluster_stream_for_reads (&client->cluster,
	- parts->read_prefs,
	- parts->assembled.session,
	- NULL,
	- &ignored_error);
	-
	- if (retry_server_stream && retry_server_stream->sd->max_wire_version >=
	- WIRE_VERSION_RETRY_READS) {
	- parts->assembled.server_stream = retry_server_stream;
	- bson_destroy (reply);
	- GOTO (retry);
	- }
	- }
	-
	- if (retry_server_stream) {
	- mongoc_server_stream_cleanup (retry_server_stream);
	- }
	-
	- if (ret && error) {
	- /* if a retry succeeded, clear the initial error */
	- memset (error, 0, sizeof (bson_error_t));
	- }
	-
	- RETURN (ret);
	-}
	-
	-
	-static bool
	-_mongoc_client_command_with_stream (mongoc_client_t *client,
	- mongoc_cmd_parts_t *parts,
	- const mongoc_read_prefs_t *read_prefs,
	- mongoc_server_stream_t *server_stream,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- ENTRY;
	-
	- parts->assembled.operation_id = ++client->cluster.operation_id;
	- if (!mongoc_cmd_parts_assemble (parts, server_stream, error)) {
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- };
	-
	- if (parts->is_retryable_write) {
	- RETURN (_mongoc_client_retryable_write_command_with_stream (
	- client, parts, server_stream, reply, error));
	- }
	-
	- if (parts->is_retryable_read) {
	- RETURN (_mongoc_client_retryable_read_command_with_stream (
	- client, parts, server_stream, reply, error));
	- }
	-
	- RETURN (mongoc_cluster_run_command_monitored (
	- &client->cluster, &parts->assembled, reply, error));
	-}
	-
	-
	-bool
	-mongoc_client_command_simple (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_cluster_t *cluster;
	- mongoc_server_stream_t *server_stream = NULL;
	- mongoc_cmd_parts_t parts;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (db_name);
	- BSON_ASSERT (command);
	-
	- if (!_mongoc_read_prefs_validate (read_prefs, error)) {
	- RETURN (false);
	- }
	-
	- cluster = &client->cluster;
	- mongoc_cmd_parts_init (&parts, client, db_name, MONGOC_QUERY_NONE, command);
	- parts.read_prefs = read_prefs;
	-
	- /* Server Selection Spec: "The generic command method has a default read
	- * preference of mode 'primary'. The generic command method MUST ignore any
	- * default read preference from client, database or collection
	- * configuration. The generic command method SHOULD allow an optional read
	- * preference argument."
	- */
	- server_stream =
	- mongoc_cluster_stream_for_reads (cluster, read_prefs, NULL, reply, error);
	-
	- if (server_stream) {
	- ret = _mongoc_client_command_with_stream (
	- client, &parts, read_prefs, server_stream, reply, error);
	- } else {
	- /* reply initialized by mongoc_cluster_stream_for_reads */
	- ret = false;
	- }
	-
	- mongoc_cmd_parts_cleanup (&parts);
	- mongoc_server_stream_cleanup (server_stream);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_client_command_with_opts --
	- *
	- * Execute a command on the server. If mode is MONGOC_CMD_READ or
	- * MONGOC_CMD_RW, then read concern is applied from @opts, or else from
	- * @default_rc, and read preferences are applied from @user_prefs, or else
	- * from @default_prefs. If mode is MONGOC_CMD_WRITE or MONGOC_CMD_RW, then
	- * write concern is applied from @opts if present, or else @default_wc.
	- *
	- * If mode is MONGOC_CMD_RAW, then read concern and write concern are
	- * applied from @opts only. Read preferences are applied from
	- * @user_prefs.
	- *
	- * The mongoc_client_t's read preference, read concern, and write concern
	- * are NOT applied.
	- *
	- * Returns:
	- * Success or failure.
	- * A write concern timeout or write concern error is considered a failure.
	- *
	- * Side effects:
	- * @reply is always initialized.
	- * @error is filled out if the command fails.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-_mongoc_client_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- mongoc_command_mode_t mode,
	- const bson_t *opts,
	- mongoc_query_flags_t flags,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- mongoc_read_concern_t *default_rc,
	- mongoc_write_concern_t *default_wc,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_read_write_opts_t read_write_opts;
	- mongoc_cmd_parts_t parts;
	- const char *command_name;
	- const mongoc_read_prefs_t *prefs = COALESCE (user_prefs, default_prefs);
	- mongoc_server_stream_t *server_stream = NULL;
	- mongoc_cluster_t *cluster;
	- mongoc_client_session_t *cs;
	- bson_t reply_local;
	- bson_t *reply_ptr;
	- int32_t wire_version;
	- int32_t wc_wire_version;
	- bool reply_initialized = false;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (db_name);
	- BSON_ASSERT (command);
	-
	- command_name = _mongoc_get_command_name (command);
	- cluster = &client->cluster;
	- reply_ptr = reply ? reply : &reply_local;
	-
	- mongoc_cmd_parts_init (&parts, client, db_name, flags, command);
	- parts.is_read_command = (mode & MONGOC_CMD_READ);
	- parts.is_write_command = (mode & MONGOC_CMD_WRITE);
	-
	- if (!_mongoc_read_write_opts_parse (client, opts, &read_write_opts, error)) {
	- GOTO (done);
	- }
	-
	- cs = read_write_opts.client_session;
	-
	- if (!command_name) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Empty command document");
	- GOTO (done);
	- }
	-
	- if (_mongoc_client_session_in_txn (read_write_opts.client_session)) {
	- if ((mode == MONGOC_CMD_READ \|\| mode == MONGOC_CMD_RAW) &&
	- !IS_PREF_PRIMARY (user_prefs)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Read preference in a transaction must be primary");
	- GOTO (done);
	- }
	-
	- if (!bson_empty (&read_write_opts.readConcern)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot set read concern after starting transaction");
	- GOTO (done);
	- }
	-
	- if (read_write_opts.writeConcern &&
	- strcmp (command_name, "commitTransaction") != 0 &&
	- strcmp (command_name, "abortTransaction") != 0) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot set write concern after starting transaction");
	- GOTO (done);
	- }
	- }
	-
	- if (mode == MONGOC_CMD_READ \|\| mode == MONGOC_CMD_RAW) {
	- /* NULL read pref is ok */
	- if (!_mongoc_read_prefs_validate (prefs, error)) {
	- GOTO (done);
	- }
	-
	- parts.read_prefs = prefs;
	- } else {
	- /* this is a command that writes */
	- prefs = NULL;
	- }
	-
	- if (read_write_opts.serverId) {
	- /* "serverId" passed in opts */
	- server_stream =
	- mongoc_cluster_stream_for_server (cluster,
	- read_write_opts.serverId,
	- true /* reconnect ok */,
	- cs,
	- reply_ptr,
	- error);
	-
	- if (server_stream && server_stream->sd->type != MONGOC_SERVER_MONGOS) {
	- parts.user_query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	- }
	- } else if (parts.is_write_command) {
	- server_stream =
	- mongoc_cluster_stream_for_writes (cluster, cs, reply_ptr, error);
	- } else {
	- server_stream =
	- mongoc_cluster_stream_for_reads (cluster, prefs, cs, reply_ptr, error);
	- }
	-
	- if (!server_stream) {
	- /* stream_for_reads/writes/server has initialized reply */
	- reply_initialized = true;
	- GOTO (done);
	- }
	-
	- wire_version = server_stream->sd->max_wire_version;
	- if (!mongoc_cmd_parts_append_read_write (
	- &parts, &read_write_opts, wire_version, error)) {
	- GOTO (done);
	- }
	-
	- if (mode & MONGOC_CMD_WRITE) {
	- wc_wire_version = !strcasecmp (command_name, "findandmodify")
	- ? WIRE_VERSION_FAM_WRITE_CONCERN
	- : WIRE_VERSION_CMD_WRITE_CONCERN;
	-
	- if (read_write_opts.write_concern_owned &&
	- wire_version < wc_wire_version) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "\"%s\" command does not support writeConcern with "
	- "wire version %d, wire version %d is required",
	- command_name,
	- wire_version,
	- wc_wire_version);
	- GOTO (done);
	- }
	-
	- /* use default write concern unless it's in opts */
	- if (!mongoc_write_concern_is_default (default_wc) &&
	- !read_write_opts.write_concern_owned &&
	- wire_version >= wc_wire_version) {
	- if (!mongoc_cmd_parts_set_write_concern (
	- &parts, default_wc, wire_version, error)) {
	- GOTO (done);
	- }
	- }
	- }
	-
	- /* use default read concern for read command, unless it's in opts */
	- if ((mode & MONGOC_CMD_READ) && bson_empty (&read_write_opts.readConcern)) {
	- if (!mongoc_cmd_parts_set_read_concern (
	- &parts, default_rc, wire_version, error)) {
	- GOTO (done);
	- }
	- }
	-
	- ret = _mongoc_client_command_with_stream (
	- client, &parts, user_prefs, server_stream, reply_ptr, error);
	-
	- reply_initialized = true;
	-
	- if (ret && (mode & MONGOC_CMD_WRITE)) {
	- ret = !_mongoc_parse_wc_err (reply_ptr, error);
	- }
	-
	-done:
	- if (reply_ptr == &reply_local) {
	- if (reply_initialized) {
	- bson_destroy (reply_ptr);
	- }
	- } else if (!reply_initialized) {
	- _mongoc_bson_init_if_set (reply);
	- }
	-
	- if (server_stream) {
	- mongoc_server_stream_cleanup (server_stream);
	- }
	-
	- mongoc_cmd_parts_cleanup (&parts);
	- _mongoc_read_write_opts_cleanup (&read_write_opts);
	-
	- RETURN (ret);
	-}
	-
	-
	-bool
	-mongoc_client_read_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- return _mongoc_client_command_with_opts (client,
	- db_name,
	- command,
	- MONGOC_CMD_READ,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- client->read_prefs,
	- client->read_concern,
	- client->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_client_write_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- return _mongoc_client_command_with_opts (client,
	- db_name,
	- command,
	- MONGOC_CMD_WRITE,
	- opts,
	- MONGOC_QUERY_NONE,
	- NULL,
	- client->read_prefs,
	- client->read_concern,
	- client->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_client_read_write_command_with_opts (
	- mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t read_prefs / IGNORED */,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- return _mongoc_client_command_with_opts (client,
	- db_name,
	- command,
	- MONGOC_CMD_RW,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- client->read_prefs,
	- client->read_concern,
	- client->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_client_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- return _mongoc_client_command_with_opts (client,
	- db_name,
	- command,
	- MONGOC_CMD_RAW,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- NULL,
	- client->read_concern,
	- client->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_client_command_simple_with_server_id (
	- mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- uint32_t server_id,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_server_stream_t *server_stream;
	- mongoc_cmd_parts_t parts;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (db_name);
	- BSON_ASSERT (command);
	-
	- if (!_mongoc_read_prefs_validate (read_prefs, error)) {
	- RETURN (false);
	- }
	-
	- server_stream = mongoc_cluster_stream_for_server (
	- &client->cluster, server_id, true /* reconnect ok */, NULL, reply, error);
	-
	- if (server_stream) {
	- mongoc_cmd_parts_init (
	- &parts, client, db_name, MONGOC_QUERY_NONE, command);
	- parts.read_prefs = read_prefs;
	-
	- ret = _mongoc_client_command_with_stream (
	- client, &parts, read_prefs, server_stream, reply, error);
	-
	- mongoc_cmd_parts_cleanup (&parts);
	- mongoc_server_stream_cleanup (server_stream);
	- RETURN (ret);
	- } else {
	- /* stream_for_server initialized reply */
	- RETURN (false);
	- }
	-}
	-
	-
	-static void
	-_mongoc_client_prepare_killcursors_command (int64_t cursor_id,
	- const char *collection,
	- bson_t *command)
	-{
	- bson_t child;
	-
	- bson_append_utf8 (command, "killCursors", 11, collection, -1);
	- bson_append_array_begin (command, "cursors", 7, &child);
	- bson_append_int64 (&child, "0", 1, cursor_id);
	- bson_append_array_end (command, &child);
	-}
	-
	-
	-void
	-_mongoc_client_kill_cursor (mongoc_client_t *client,
	- uint32_t server_id,
	- int64_t cursor_id,
	- int64_t operation_id,
	- const char *db,
	- const char *collection,
	- mongoc_client_session_t *cs)
	-{
	- mongoc_server_stream_t *server_stream;
	-
	- ENTRY;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (cursor_id);
	-
	- /* don't attempt reconnect if server unavailable, and ignore errors */
	- server_stream = mongoc_cluster_stream_for_server (
	- &client->cluster, server_id, false /* reconnect_ok */, NULL, NULL, NULL);
	-
	- if (!server_stream) {
	- return;
	- }
	-
	- if (db && collection &&
	- server_stream->sd->max_wire_version >= WIRE_VERSION_KILLCURSORS_CMD) {
	- _mongoc_client_killcursors_command (
	- &client->cluster, server_stream, cursor_id, db, collection, cs);
	- } else {
	- _mongoc_client_op_killcursors (&client->cluster,
	- server_stream,
	- cursor_id,
	- operation_id,
	- db,
	- collection);
	- }
	-
	- mongoc_server_stream_cleanup (server_stream);
	-
	- EXIT;
	-}
	-
	-
	-static void
	-_mongoc_client_monitor_op_killcursors (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- int64_t cursor_id,
	- int64_t operation_id,
	- const char *db,
	- const char *collection)
	-{
	- bson_t doc;
	- mongoc_client_t *client;
	- mongoc_apm_command_started_t event;
	-
	- ENTRY;
	-
	- client = cluster->client;
	-
	- if (!client->apm_callbacks.started) {
	- return;
	- }
	-
	- bson_init (&doc);
	- _mongoc_client_prepare_killcursors_command (cursor_id, collection, &doc);
	- mongoc_apm_command_started_init (&event,
	- &doc,
	- db,
	- "killCursors",
	- cluster->request_id,
	- operation_id,
	- &server_stream->sd->host,
	- server_stream->sd->id,
	- &server_stream->sd->service_id,
	- NULL,
	- client->apm_context);
	-
	- client->apm_callbacks.started (&event);
	- mongoc_apm_command_started_cleanup (&event);
	- bson_destroy (&doc);
	-
	- EXIT;
	-}
	-
	-
	-static void
	-_mongoc_client_monitor_op_killcursors_succeeded (
	- mongoc_cluster_t *cluster,
	- int64_t duration,
	- mongoc_server_stream_t *server_stream,
	- int64_t cursor_id,
	- int64_t operation_id)
	-{
	- mongoc_client_t *client;
	- bson_t doc;
	- bson_t cursors_unknown;
	- mongoc_apm_command_succeeded_t event;
	-
	- ENTRY;
	-
	- client = cluster->client;
	-
	- if (!client->apm_callbacks.succeeded) {
	- EXIT;
	- }
	-
	- /* fake server reply to killCursors command: {ok: 1, cursorsUnknown: [42]} */
	- bson_init (&doc);
	- bson_append_int32 (&doc, "ok", 2, 1);
	- bson_append_array_begin (&doc, "cursorsUnknown", 14, &cursors_unknown);
	- bson_append_int64 (&cursors_unknown, "0", 1, cursor_id);
	- bson_append_array_end (&doc, &cursors_unknown);
	-
	- mongoc_apm_command_succeeded_init (&event,
	- duration,
	- &doc,
	- "killCursors",
	- cluster->request_id,
	- operation_id,
	- &server_stream->sd->host,
	- server_stream->sd->id,
	- &server_stream->sd->service_id,
	- false,
	- client->apm_context);
	-
	- client->apm_callbacks.succeeded (&event);
	-
	- mongoc_apm_command_succeeded_cleanup (&event);
	- bson_destroy (&doc);
	-}
	-
	-
	-static void
	-_mongoc_client_monitor_op_killcursors_failed (
	- mongoc_cluster_t *cluster,
	- int64_t duration,
	- mongoc_server_stream_t *server_stream,
	- const bson_error_t *error,
	- int64_t operation_id)
	-{
	- mongoc_client_t *client;
	- bson_t doc;
	- mongoc_apm_command_failed_t event;
	-
	- ENTRY;
	-
	- client = cluster->client;
	-
	- if (!client->apm_callbacks.failed) {
	- EXIT;
	- }
	-
	- /* fake server reply to killCursors command: {ok: 0} */
	- bson_init (&doc);
	- bson_append_int32 (&doc, "ok", 2, 0);
	-
	- mongoc_apm_command_failed_init (&event,
	- duration,
	- "killCursors",
	- error,
	- &doc,
	- cluster->request_id,
	- operation_id,
	- &server_stream->sd->host,
	- server_stream->sd->id,
	- &server_stream->sd->service_id,
	- false,
	- client->apm_context);
	-
	- client->apm_callbacks.failed (&event);
	-
	- mongoc_apm_command_failed_cleanup (&event);
	- bson_destroy (&doc);
	-}
	-
	-
	-static void
	-_mongoc_client_op_killcursors (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- int64_t cursor_id,
	- int64_t operation_id,
	- const char *db,
	- const char *collection)
	-{
	- int64_t started;
	- mongoc_rpc_t rpc = {{0}};
	- bson_error_t error;
	- bool has_ns;
	- bool r;
	-
	- /* called by old mongoc_client_kill_cursor without db/collection? */
	- has_ns = (db && collection);
	- started = bson_get_monotonic_time ();
	-
	- ++cluster->request_id;
	-
	- rpc.header.msg_len = 0;
	- rpc.header.request_id = cluster->request_id;
	- rpc.header.response_to = 0;
	- rpc.header.opcode = MONGOC_OPCODE_KILL_CURSORS;
	- rpc.kill_cursors.zero = 0;
	- rpc.kill_cursors.cursors = &cursor_id;
	- rpc.kill_cursors.n_cursors = 1;
	-
	- if (has_ns) {
	- _mongoc_client_monitor_op_killcursors (
	- cluster, server_stream, cursor_id, operation_id, db, collection);
	- }
	-
	- r = mongoc_cluster_legacy_rpc_sendv_to_server (
	- cluster, &rpc, server_stream, &error);
	-
	- if (has_ns) {
	- if (r) {
	- _mongoc_client_monitor_op_killcursors_succeeded (
	- cluster,
	- bson_get_monotonic_time () - started,
	- server_stream,
	- cursor_id,
	- operation_id);
	- } else {
	- _mongoc_client_monitor_op_killcursors_failed (
	- cluster,
	- bson_get_monotonic_time () - started,
	- server_stream,
	- &error,
	- operation_id);
	- }
	- }
	-}
	-
	-
	-static void
	-_mongoc_client_killcursors_command (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- int64_t cursor_id,
	- const char *db,
	- const char *collection,
	- mongoc_client_session_t *cs)
	-{
	- bson_t command = BSON_INITIALIZER;
	- mongoc_cmd_parts_t parts;
	-
	- ENTRY;
	-
	- _mongoc_client_prepare_killcursors_command (cursor_id, collection, &command);
	- mongoc_cmd_parts_init (
	- &parts, cluster->client, db, MONGOC_QUERY_SECONDARY_OK, &command);
	- parts.assembled.operation_id = ++cluster->operation_id;
	- mongoc_cmd_parts_set_session (&parts, cs);
	-
	- if (mongoc_cmd_parts_assemble (&parts, server_stream, NULL)) {
	- /* Find, getMore And killCursors Commands Spec: "The result from the
	- * killCursors command MAY be safely ignored."
	- */
	- (void) mongoc_cluster_run_command_monitored (
	- cluster, &parts.assembled, NULL, NULL);
	- }
	-
	- mongoc_cmd_parts_cleanup (&parts);
	- bson_destroy (&command);
	-
	- EXIT;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_kill_cursor --
	- *
	- * Destroy a cursor on the server.
	- *
	- * NOTE: this is only reliable when connected to a single mongod or
	- * mongos. If connected to a replica set, the driver attempts to
	- * kill the cursor on the primary. If connected to multiple mongoses
	- * the kill-cursors message is sent to a random mongos.
	- *
	- * If no primary, mongos, or standalone server is known, return
	- * without attempting to reconnect.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_client_kill_cursor (mongoc_client_t *client, int64_t cursor_id)
	-{
	- mongoc_topology_t *const topology =
	- BSON_ASSERT_PTR_INLINE (client)->topology;
	- mongoc_server_description_t const *selected_server;
	- mongoc_read_prefs_t *read_prefs;
	- bson_error_t error;
	- uint32_t server_id = 0;
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	-
	- read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	-
	- if (!mongoc_topology_compatible (td.ptr, NULL, &error)) {
	- MONGOC_ERROR ("Could not kill cursor: %s", error.message);
	- mc_tpld_drop_ref (&td);
	- mongoc_read_prefs_destroy (read_prefs);
	- return;
	- }
	-
	- /* see if there's a known writable server - do no I/O or retries */
	- selected_server = mongoc_topology_description_select (
	- td.ptr, MONGOC_SS_WRITE, read_prefs, topology->local_threshold_msec);
	-
	- if (selected_server) {
	- server_id = selected_server->id;
	- }
	-
	- if (server_id) {
	- _mongoc_client_kill_cursor (client,
	- server_id,
	- cursor_id,
	- 0 /* operation_id */,
	- NULL /* db */,
	- NULL /* collection */,
	- NULL /* session */);
	- } else {
	- MONGOC_INFO ("No server available for mongoc_client_kill_cursor");
	- }
	-
	- mongoc_read_prefs_destroy (read_prefs);
	- mc_tpld_drop_ref (&td);
	-}
	-
	-
	-char **
	-mongoc_client_get_database_names (mongoc_client_t client, bson_error_t error)
	-{
	- return mongoc_client_get_database_names_with_opts (client, NULL, error);
	-}
	-
	-
	-char **
	-mongoc_client_get_database_names_with_opts (mongoc_client_t *client,
	- const bson_t *opts,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- const char *name;
	- char **ret = NULL;
	- int i = 0;
	- mongoc_cursor_t *cursor;
	- const bson_t *doc;
	- bson_t cmd = BSON_INITIALIZER;
	-
	- BSON_ASSERT (client);
	- BSON_APPEND_INT32 (&cmd, "listDatabases", 1);
	- BSON_APPEND_BOOL (&cmd, "nameOnly", true);
	-
	- /* ignore client read prefs */
	- cursor = _mongoc_cursor_array_new (client, "admin", &cmd, opts, "databases");
	- bson_destroy (&cmd);
	-
	- while (mongoc_cursor_next (cursor, &doc)) {
	- if (bson_iter_init (&iter, doc) && bson_iter_find (&iter, "name") &&
	- BSON_ITER_HOLDS_UTF8 (&iter) &&
	- (name = bson_iter_utf8 (&iter, NULL))) {
	- ret = (char *) bson_realloc (ret, sizeof (char ) * (i + 2));
	- ret[i] = bson_strdup (name);
	- ret[++i] = NULL;
	- }
	- }
	-
	- if (!ret && !mongoc_cursor_error (cursor, error)) {
	- ret = (char *) bson_malloc0 (sizeof (void ));
	- }
	-
	- mongoc_cursor_destroy (cursor);
	-
	- return ret;
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_client_find_databases (mongoc_client_t client, bson_error_t error)
	-{
	- /* existing bug in this deprecated API: error pointer is unused */
	- return mongoc_client_find_databases_with_opts (client, NULL);
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_client_find_databases_with_opts (mongoc_client_t *client,
	- const bson_t *opts)
	-{
	- bson_t cmd = BSON_INITIALIZER;
	- mongoc_cursor_t *cursor;
	-
	- BSON_ASSERT (client);
	- BSON_APPEND_INT32 (&cmd, "listDatabases", 1);
	- cursor = _mongoc_cursor_array_new (client, "admin", &cmd, opts, "databases");
	- bson_destroy (&cmd);
	- return cursor;
	-}
	-
	-
	-int32_t
	-mongoc_client_get_max_message_size (mongoc_client_t client) / IN */
	-{
	- BSON_ASSERT (client);
	-
	- return mongoc_cluster_get_max_msg_size (&client->cluster);
	-}
	-
	-
	-int32_t
	-mongoc_client_get_max_bson_size (mongoc_client_t client) / IN */
	-{
	- BSON_ASSERT (client);
	-
	- return mongoc_cluster_get_max_bson_obj_size (&client->cluster);
	-}
	-
	-
	-bool
	-mongoc_client_get_server_status (mongoc_client_t client, / IN */
	- mongoc_read_prefs_t read_prefs, / IN */
	- bson_t reply, / OUT */
	- bson_error_t error) / OUT */
	-{
	- bson_t cmd = BSON_INITIALIZER;
	- bool ret = false;
	-
	- BSON_ASSERT (client);
	-
	- BSON_APPEND_INT32 (&cmd, "serverStatus", 1);
	- ret = mongoc_client_command_simple (
	- client, "admin", &cmd, read_prefs, reply, error);
	- bson_destroy (&cmd);
	-
	- return ret;
	-}
	-
	-
	-void
	-mongoc_client_set_stream_initiator (mongoc_client_t *client,
	- mongoc_stream_initiator_t initiator,
	- void *user_data)
	-{
	- BSON_ASSERT (client);
	-
	- if (!initiator) {
	- initiator = mongoc_client_default_stream_initiator;
	- user_data = client;
	- } else {
	- MONGOC_DEBUG ("Using custom stream initiator.");
	- }
	-
	- client->initiator = initiator;
	- client->initiator_data = user_data;
	-
	- if (client->topology->single_threaded) {
	- mongoc_topology_scanner_set_stream_initiator (
	- client->topology->scanner, initiator, user_data);
	- }
	-}
	-
	-
	-bool
	-_mongoc_client_set_apm_callbacks_private (mongoc_client_t *client,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context)
	-{
	- if (callbacks) {
	- memcpy (
	- &client->apm_callbacks, callbacks, sizeof (mongoc_apm_callbacks_t));
	- } else {
	- memset (&client->apm_callbacks, 0, sizeof (mongoc_apm_callbacks_t));
	- }
	-
	- client->apm_context = context;
	-
	- /* A client pool sets APM callbacks for the entire pool. */
	- if (client->topology->single_threaded) {
	- mongoc_topology_set_apm_callbacks (
	- client->topology,
	- /* We are safe to modify the shared_descr directly, since we are
	- * single-threaded */
	- mc_tpld_unsafe_get_mutable (client->topology),
	- callbacks,
	- context);
	- }
	-
	- return true;
	-}
	-
	-
	-bool
	-mongoc_client_set_apm_callbacks (mongoc_client_t *client,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context)
	-{
	- if (!client->topology->single_threaded) {
	- MONGOC_ERROR ("Cannot set callbacks on a pooled client, use "
	- "mongoc_client_pool_set_apm_callbacks");
	- return false;
	- }
	-
	- return _mongoc_client_set_apm_callbacks_private (client, callbacks, context);
	-}
	-
	-mongoc_server_description_t *
	-mongoc_client_get_server_description (mongoc_client_t *client,
	- uint32_t server_id)
	-{
	- mongoc_server_description_t *ret;
	- mc_shared_tpld td = mc_tpld_take_ref (client->topology);
	- mongoc_server_description_t const *sd =
	- mongoc_topology_description_server_by_id_const (
	- td.ptr, server_id, NULL /* <- the error info isn't useful */);
	- ret = mongoc_server_description_new_copy (sd);
	- mc_tpld_drop_ref (&td);
	- return ret;
	-}
	-
	-
	-mongoc_server_description_t **
	-mongoc_client_get_server_descriptions (const mongoc_client_t *client,
	- size_t n / OUT */)
	-{
	- mc_shared_tpld td =
	- mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (client)->topology);
	- mongoc_server_description_t **const sds =
	- mongoc_topology_description_get_servers (td.ptr,
	- BSON_ASSERT_PTR_INLINE (n));
	- mc_tpld_drop_ref (&td);
	- return sds;
	-}
	-
	-
	-void
	-mongoc_server_descriptions_destroy_all (mongoc_server_description_t **sds,
	- size_t n)
	-{
	- size_t i;
	-
	- for (i = 0; i < n; ++i) {
	- mongoc_server_description_destroy (sds[i]);
	- }
	-
	- bson_free (sds);
	-}
	-
	-
	-mongoc_server_description_t *
	-mongoc_client_select_server (mongoc_client_t *client,
	- bool for_writes,
	- const mongoc_read_prefs_t *prefs,
	- bson_error_t *error)
	-{
	- mongoc_ss_optype_t optype = for_writes ? MONGOC_SS_WRITE : MONGOC_SS_READ;
	- mongoc_server_description_t *sd;
	-
	- if (for_writes && prefs) {
	- bson_set_error (error,
	- MONGOC_ERROR_SERVER_SELECTION,
	- MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	- "Cannot use read preferences with for_writes = true");
	- return NULL;
	- }
	-
	- if (!_mongoc_read_prefs_validate (prefs, error)) {
	- return NULL;
	- }
	-
	- sd = mongoc_topology_select (client->topology, optype, prefs, error);
	- if (!sd) {
	- return NULL;
	- }
	-
	- if (mongoc_cluster_check_interval (&client->cluster, sd->id)) {
	- /* check not required, or it succeeded */
	- return sd;
	- }
	-
	- /* check failed, retry once */
	- mongoc_server_description_destroy (sd);
	- sd = mongoc_topology_select (client->topology, optype, prefs, error);
	- if (sd) {
	- return sd;
	- }
	-
	- return NULL;
	-}
	-
	-bool
	-mongoc_client_set_error_api (mongoc_client_t *client, int32_t version)
	-{
	- if (!client->topology->single_threaded) {
	- MONGOC_ERROR ("Cannot set Error API Version on a pooled client, use "
	- "mongoc_client_pool_set_error_api");
	- return false;
	- }
	-
	- if (version != MONGOC_ERROR_API_VERSION_LEGACY &&
	- version != MONGOC_ERROR_API_VERSION_2) {
	- MONGOC_ERROR ("Unsupported Error API Version: %" PRId32, version);
	- return false;
	- }
	-
	- if (client->error_api_set) {
	- MONGOC_ERROR ("Can only set Error API Version once");
	- return false;
	- }
	-
	- client->error_api_version = version;
	- client->error_api_set = true;
	-
	- return true;
	-}
	-
	-bool
	-mongoc_client_set_appname (mongoc_client_t client, const char appname)
	-{
	- if (!client->topology->single_threaded) {
	- MONGOC_ERROR ("Cannot call set_appname on a client from a pool");
	- return false;
	- }
	-
	- return _mongoc_topology_set_appname (client->topology, appname);
	-}
	-
	-mongoc_server_session_t *
	-_mongoc_client_pop_server_session (mongoc_client_t client, bson_error_t error)
	-{
	- return _mongoc_topology_pop_server_session (client->topology, error);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_client_lookup_session --
	- *
	- * Retrieve a mongoc_client_session_t associated with @client_session_id.
	- * Use this to find the "lsid" and "$clusterTime" to send in the server
	- * command.
	- *
	- * Returns:
	- * True on success, false on error and @error is set. Will return false
	- * if the session is from an outdated client generation, a holdover
	- * from before a call to mongoc_client_reset.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-_mongoc_client_lookup_session (const mongoc_client_t *client,
	- uint32_t client_session_id,
	- mongoc_client_session_t *cs / OUT */,
	- bson_error_t error / OUT */)
	-{
	- ENTRY;
	-
	- *cs = mongoc_set_get (client->client_sessions, client_session_id);
	-
	- if (*cs) {
	- RETURN (true);
	- }
	-
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Invalid sessionId");
	-
	- RETURN (false);
	-}
	-
	-void
	-_mongoc_client_unregister_session (mongoc_client_t *client,
	- mongoc_client_session_t *session)
	-{
	- mongoc_set_rm (client->client_sessions, session->client_session_id);
	-}
	-
	-void
	-_mongoc_client_push_server_session (mongoc_client_t *client,
	- mongoc_server_session_t *server_session)
	-{
	- _mongoc_topology_push_server_session (client->topology, server_session);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_client_end_sessions --
	- *
	- * End all server sessions in the topology's server session pool.
	- * Don't block long: if server selection or connecting fails, quit.
	- *
	- * The server session pool becomes invalid, but may not be empty.
	- * Destroy the topology after this without using any sessions.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_client_end_sessions (mongoc_client_t *client)
	-{
	- mongoc_topology_t *t = client->topology;
	- mongoc_read_prefs_t *prefs;
	- bson_error_t error;
	- uint32_t server_id;
	- bson_t cmd;
	- mongoc_server_stream_t *stream;
	- mongoc_cmd_parts_t parts;
	- mongoc_cluster_t *cluster = &client->cluster;
	- bool r;
	-
	- while (!mongoc_server_session_pool_is_empty (t->session_pool)) {
	- prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
	- server_id =
	- mongoc_topology_select_server_id (t, MONGOC_SS_READ, prefs, &error);
	-
	- mongoc_read_prefs_destroy (prefs);
	- if (!server_id) {
	- MONGOC_WARNING ("Couldn't send \"endSessions\": %s", error.message);
	- return;
	- }
	-
	- stream = mongoc_cluster_stream_for_server (
	- cluster, server_id, false /* reconnect_ok */, NULL, NULL, &error);
	-
	- if (!stream) {
	- MONGOC_WARNING ("Couldn't send \"endSessions\": %s", error.message);
	- return;
	- }
	-
	- /* end sessions in chunks */
	- while (_mongoc_topology_end_sessions_cmd (t, &cmd)) {
	- mongoc_cmd_parts_init (
	- &parts, client, "admin", MONGOC_QUERY_SECONDARY_OK, &cmd);
	- parts.assembled.operation_id = ++cluster->operation_id;
	- parts.prohibit_lsid = true;
	-
	- r = mongoc_cmd_parts_assemble (&parts, stream, &error);
	- if (!r) {
	- MONGOC_WARNING ("Couldn't construct \"endSessions\" command: %s",
	- error.message);
	- } else {
	- r = mongoc_cluster_run_command_monitored (
	- cluster, &parts.assembled, NULL, &error);
	-
	- if (!r) {
	- MONGOC_WARNING ("Couldn't send \"endSessions\": %s",
	- error.message);
	- }
	- }
	-
	- mongoc_cmd_parts_cleanup (&parts);
	-
	- if (!mongoc_cluster_stream_valid (cluster, stream)) {
	- /* The stream was invalidated as a result of a network error, so we
	- * stop sending commands. */
	- break;
	- }
	-
	- bson_destroy (&cmd);
	- }
	-
	- bson_destroy (&cmd);
	- mongoc_server_stream_cleanup (stream);
	- }
	-}
	-
	-void
	-mongoc_client_reset (mongoc_client_t *client)
	-{
	- BSON_ASSERT (client);
	-
	- client->generation++;
	-
	- /* Client sessions are owned and destroyed by the user, but we keep
	- local pointers to them for reference. On reset, clear our local
	- set without destroying the sessions or calling endSessions.
	- client_sessions has no dtor, so it won't destroy its items.
	-
	- Destroying the local cache of client sessions here ensures they
	- cannot be used by future operations--lookup for them will fail. */
	- mongoc_set_destroy (client->client_sessions);
	- client->client_sessions = mongoc_set_new (8, NULL, NULL);
	-
	- /* Server sessions are owned by us, so we clear the pool on reset. */
	- mongoc_server_session_pool_clear (client->topology->session_pool);
	-}
	-
	-mongoc_change_stream_t *
	-mongoc_client_watch (mongoc_client_t *client,
	- const bson_t *pipeline,
	- const bson_t *opts)
	-{
	- return _mongoc_change_stream_new_from_client (client, pipeline, opts);
	-}
	-
	-bool
	-mongoc_client_enable_auto_encryption (mongoc_client_t *client,
	- mongoc_auto_encryption_opts_t *opts,
	- bson_error_t *error)
	-{
	- if (!client->topology->single_threaded) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_INVALID_ENCRYPTION_ARG,
	- "Cannot enable auto encryption on a pooled client, use "
	- "mongoc_client_pool_enable_auto_encryption");
	- return false;
	- }
	- return _mongoc_cse_client_enable_auto_encryption (client, opts, error);
	-}
	-
	-bool
	-mongoc_client_set_server_api (mongoc_client_t *client,
	- const mongoc_server_api_t *api,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (client);
	- BSON_ASSERT_PARAM (api);
	-
	- if (client->is_pooled) {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_API_FROM_POOL,
	- "Cannot set server api on a client checked out from a pool");
	- return false;
	- }
	-
	- if (client->api) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_API_ALREADY_SET,
	- "Cannot set server api more than once per client");
	- return false;
	- }
	-
	- client->api = mongoc_server_api_copy (api);
	- _mongoc_topology_scanner_set_server_api (client->topology->scanner, api);
	- return true;
	-}
	-
	-mongoc_server_description_t *
	-mongoc_client_get_handshake_description (mongoc_client_t *client,
	- uint32_t server_id,
	- bson_t *opts,
	- bson_error_t *error)
	-{
	- mongoc_server_stream_t *server_stream;
	- mongoc_server_description_t *sd;
	-
	- server_stream = mongoc_cluster_stream_for_server (&client->cluster,
	- server_id,
	- true /* reconnect */,
	- NULL /* client session */,
	- NULL /* reply */,
	- error);
	- if (!server_stream) {
	- return NULL;
	- }
	-
	- sd = mongoc_server_description_new_copy (server_stream->sd);
	- mongoc_server_stream_cleanup (server_stream);
	- return sd;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.h
	deleted file mode 100644
	index ed87d0f3..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.h
	+++ /dev/null
	@@ -1,295 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_CLIENT_H
	-#define MONGOC_CLIENT_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-apm.h"
	-#include "mongoc-client-side-encryption.h"
	-#include "mongoc-collection.h"
	-#include "mongoc-config.h"
	-#include "mongoc-cursor.h"
	-#include "mongoc-database.h"
	-#include "mongoc-gridfs.h"
	-#include "mongoc-index.h"
	-#include "mongoc-macros.h"
	-#include "mongoc-read-prefs.h"
	-#include "mongoc-server-api.h"
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-ssl.h"
	-#endif
	-#include "mongoc-stream.h"
	-#include "mongoc-uri.h"
	-#include "mongoc-write-concern.h"
	-#include "mongoc-read-concern.h"
	-#include "mongoc-server-description.h"
	-
	-BSON_BEGIN_DECLS
	-
	-/* This define is part of our public API. But per MongoDB 4.4, there is no
	- * longer a size limit on collection names. */
	-#define MONGOC_NAMESPACE_MAX 128
	-
	-
	-#ifndef MONGOC_DEFAULT_CONNECTTIMEOUTMS
	-#define MONGOC_DEFAULT_CONNECTTIMEOUTMS (10 * 1000L)
	-#endif
	-
	-
	-#ifndef MONGOC_DEFAULT_SOCKETTIMEOUTMS
	-/*
	- * NOTE: The default socket timeout for connections is 5 minutes. This
	- * means that if your MongoDB server dies or becomes unavailable
	- * it will take 5 minutes to detect this.
	- *
	- * You can change this by providing sockettimeoutms= in your
	- * connection URI.
	- */
	-#define MONGOC_DEFAULT_SOCKETTIMEOUTMS (1000L * 60L * 5L)
	-#endif
	-
	-
	-/**
	- * mongoc_client_t:
	- *
	- * The mongoc_client_t structure maintains information about a connection to
	- * a MongoDB server.
	- */
	-typedef struct _mongoc_client_t mongoc_client_t;
	-
	-
	-typedef struct _mongoc_client_session_t mongoc_client_session_t;
	-typedef struct _mongoc_session_opt_t mongoc_session_opt_t;
	-typedef struct _mongoc_transaction_opt_t mongoc_transaction_opt_t;
	-
	-/**
	- * mongoc_stream_initiator_t:
	- * @uri: The uri and options for the stream.
	- * @host: The host and port (or UNIX domain socket path) to connect to.
	- * @user_data: The pointer passed to mongoc_client_set_stream_initiator.
	- * @error: A location for an error.
	- *
	- * Creates a new mongoc_stream_t for the host and port. Begin a
	- * non-blocking connect and return immediately.
	- *
	- * This can be used by language bindings to create network transports other
	- * than those built into libmongoc. An example of such would be the streams
	- * API provided by PHP.
	- *
	- * Returns: A newly allocated mongoc_stream_t or NULL on failure.
	- */
	-typedef mongoc_stream_t (mongoc_stream_initiator_t) (
	- const mongoc_uri_t *uri,
	- const mongoc_host_list_t *host,
	- void *user_data,
	- bson_error_t *error);
	-
	-
	-MONGOC_EXPORT (mongoc_client_t *)
	-mongoc_client_new (const char *uri_string) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_client_t *)
	-mongoc_client_new_from_uri (const mongoc_uri_t *uri)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (const mongoc_uri_t *)
	-mongoc_client_get_uri (const mongoc_client_t *client);
	-MONGOC_EXPORT (void)
	-mongoc_client_set_stream_initiator (mongoc_client_t *client,
	- mongoc_stream_initiator_t initiator,
	- void *user_data);
	-MONGOC_EXPORT (mongoc_cursor_t *)
	-mongoc_client_command (mongoc_client_t *client,
	- const char *db_name,
	- mongoc_query_flags_t flags,
	- uint32_t skip,
	- uint32_t limit,
	- uint32_t batch_size,
	- const bson_t *query,
	- const bson_t *fields,
	- const mongoc_read_prefs_t *read_prefs)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_client_kill_cursor (mongoc_client_t *client,
	- int64_t cursor_id) BSON_GNUC_DEPRECATED;
	-MONGOC_EXPORT (bool)
	-mongoc_client_command_simple (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_t *reply,
	- bson_error_t *error);
	-MONGOC_EXPORT (bool)
	-mongoc_client_read_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error);
	-MONGOC_EXPORT (bool)
	-mongoc_client_write_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error);
	-MONGOC_EXPORT (bool)
	-mongoc_client_read_write_command_with_opts (
	- mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t read_prefs / IGNORED */,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error);
	-MONGOC_EXPORT (bool)
	-mongoc_client_command_with_opts (mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error);
	-MONGOC_EXPORT (bool)
	-mongoc_client_command_simple_with_server_id (
	- mongoc_client_t *client,
	- const char *db_name,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- uint32_t server_id,
	- bson_t *reply,
	- bson_error_t *error);
	-MONGOC_EXPORT (void)
	-mongoc_client_destroy (mongoc_client_t *client);
	-MONGOC_EXPORT (mongoc_client_session_t *)
	-mongoc_client_start_session (mongoc_client_t *client,
	- const mongoc_session_opt_t *opts,
	- bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_database_t *)
	-mongoc_client_get_database (mongoc_client_t *client,
	- const char *name) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_database_t *)
	-mongoc_client_get_default_database (mongoc_client_t *client)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_gridfs_t *)
	-mongoc_client_get_gridfs (mongoc_client_t *client,
	- const char *db,
	- const char *prefix,
	- bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_collection_t *)
	-mongoc_client_get_collection (mongoc_client_t *client,
	- const char *db,
	- const char *collection)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (char **)
	-mongoc_client_get_database_names (mongoc_client_t client, bson_error_t error)
	- BSON_GNUC_WARN_UNUSED_RESULT
	- BSON_GNUC_DEPRECATED_FOR (mongoc_client_get_database_names_with_opts);
	-MONGOC_EXPORT (char **)
	-mongoc_client_get_database_names_with_opts (mongoc_client_t *client,
	- const bson_t *opts,
	- bson_error_t *error)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_cursor_t *)
	-mongoc_client_find_databases (mongoc_client_t *client,
	- bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT
	- BSON_GNUC_DEPRECATED_FOR (mongoc_client_find_databases_with_opts);
	-MONGOC_EXPORT (mongoc_cursor_t *)
	-mongoc_client_find_databases_with_opts (
	- mongoc_client_t client, const bson_t opts) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (bool)
	-mongoc_client_get_server_status (mongoc_client_t *client,
	- mongoc_read_prefs_t *read_prefs,
	- bson_t *reply,
	- bson_error_t *error) BSON_GNUC_DEPRECATED;
	-MONGOC_EXPORT (int32_t)
	-mongoc_client_get_max_message_size (mongoc_client_t *client)
	- BSON_GNUC_DEPRECATED;
	-MONGOC_EXPORT (int32_t)
	-mongoc_client_get_max_bson_size (mongoc_client_t *client) BSON_GNUC_DEPRECATED;
	-MONGOC_EXPORT (const mongoc_write_concern_t *)
	-mongoc_client_get_write_concern (const mongoc_client_t *client);
	-MONGOC_EXPORT (void)
	-mongoc_client_set_write_concern (mongoc_client_t *client,
	- const mongoc_write_concern_t *write_concern);
	-MONGOC_EXPORT (const mongoc_read_concern_t *)
	-mongoc_client_get_read_concern (const mongoc_client_t *client);
	-MONGOC_EXPORT (void)
	-mongoc_client_set_read_concern (mongoc_client_t *client,
	- const mongoc_read_concern_t *read_concern);
	-MONGOC_EXPORT (const mongoc_read_prefs_t *)
	-mongoc_client_get_read_prefs (const mongoc_client_t *client);
	-MONGOC_EXPORT (void)
	-mongoc_client_set_read_prefs (mongoc_client_t *client,
	- const mongoc_read_prefs_t *read_prefs);
	-#ifdef MONGOC_ENABLE_SSL
	-MONGOC_EXPORT (void)
	-mongoc_client_set_ssl_opts (mongoc_client_t *client,
	- const mongoc_ssl_opt_t *opts);
	-#endif
	-MONGOC_EXPORT (bool)
	-mongoc_client_set_apm_callbacks (mongoc_client_t *client,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context);
	-MONGOC_EXPORT (mongoc_server_description_t *)
	-mongoc_client_get_server_description (
	- mongoc_client_t *client, uint32_t server_id) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_server_description_t **)
	-mongoc_client_get_server_descriptions (const mongoc_client_t *client,
	- size_t *n) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_server_descriptions_destroy_all (mongoc_server_description_t **sds,
	- size_t n);
	-MONGOC_EXPORT (mongoc_server_description_t *)
	-mongoc_client_select_server (mongoc_client_t *client,
	- bool for_writes,
	- const mongoc_read_prefs_t *prefs,
	- bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (bool)
	-mongoc_client_set_error_api (mongoc_client_t *client, int32_t version);
	-MONGOC_EXPORT (bool)
	-mongoc_client_set_appname (mongoc_client_t client, const char appname);
	-MONGOC_EXPORT (mongoc_change_stream_t *)
	-mongoc_client_watch (mongoc_client_t *client,
	- const bson_t *pipeline,
	- const bson_t *opts) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_client_reset (mongoc_client_t *client);
	-
	-MONGOC_EXPORT (bool)
	-mongoc_client_enable_auto_encryption (mongoc_client_t *client,
	- mongoc_auto_encryption_opts_t *opts,
	- bson_error_t *error);
	-
	-MONGOC_EXPORT (bool)
	-mongoc_client_set_server_api (mongoc_client_t *client,
	- const mongoc_server_api_t *api,
	- bson_error_t *error);
	-
	-MONGOC_EXPORT (mongoc_server_description_t *)
	-mongoc_client_get_handshake_description (mongoc_client_t *client,
	- uint32_t server_id,
	- bson_t *opts,
	- bson_error_t *error)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_CLIENT_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-private.h
	deleted file mode 100644
	index 8cfde440..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-private.h
	+++ /dev/null
	@@ -1,232 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_CLUSTER_PRIVATE_H
	-#define MONGOC_CLUSTER_PRIVATE_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-array-private.h"
	-#include "mongoc-buffer-private.h"
	-#include "mongoc-config.h"
	-#include "mongoc-client.h"
	-#include "mongoc-list-private.h"
	-#include "mongoc-opcode.h"
	-#include "mongoc-rpc-private.h"
	-#include "mongoc-server-stream-private.h"
	-#include "mongoc-set-private.h"
	-#include "mongoc-stream.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-topology-description-private.h"
	-#include "mongoc-write-concern.h"
	-#include "mongoc-scram-private.h"
	-#include "mongoc-cmd-private.h"
	-#include "mongoc-crypto-private.h"
	-
	-BSON_BEGIN_DECLS
	-
	-
	-typedef struct _mongoc_cluster_node_t {
	- mongoc_stream_t *stream;
	- char *connection_address;
	- /* handshake_sd is a server description created from the handshake on the stream. */
	- mongoc_server_description_t *handshake_sd;
	-} mongoc_cluster_node_t;
	-
	-typedef struct _mongoc_cluster_t {
	- int64_t operation_id;
	- uint32_t request_id;
	- uint32_t sockettimeoutms;
	- uint32_t socketcheckintervalms;
	- mongoc_uri_t *uri;
	- unsigned requires_auth : 1;
	-
	- mongoc_client_t *client;
	-
	- mongoc_set_t *nodes;
	- mongoc_array_t iov;
	-
	- mongoc_scram_cache_t *scram_cache;
	-} mongoc_cluster_t;
	-
	-
	-void
	-mongoc_cluster_init (mongoc_cluster_t *cluster,
	- const mongoc_uri_t *uri,
	- void *client);
	-
	-void
	-mongoc_cluster_destroy (mongoc_cluster_t *cluster);
	-
	-void
	-mongoc_cluster_disconnect_node (mongoc_cluster_t *cluster, uint32_t id);
	-
	-int32_t
	-mongoc_cluster_get_max_bson_obj_size (mongoc_cluster_t *cluster);
	-
	-int32_t
	-mongoc_cluster_get_max_msg_size (mongoc_cluster_t *cluster);
	-
	-size_t
	-_mongoc_cluster_buffer_iovec (mongoc_iovec_t *iov,
	- size_t iovcnt,
	- int skip,
	- char *buffer);
	-
	-bool
	-mongoc_cluster_check_interval (mongoc_cluster_t *cluster, uint32_t server_id);
	-
	-bool
	-mongoc_cluster_legacy_rpc_sendv_to_server (
	- mongoc_cluster_t *cluster,
	- mongoc_rpc_t *rpcs,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error);
	-
	-bool
	-mongoc_cluster_try_recv (mongoc_cluster_t *cluster,
	- mongoc_rpc_t *rpc,
	- mongoc_buffer_t *buffer,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error);
	-
	-/**
	- * @brief Obtain a server stream appropriate for read operations on the
	- * cluster.
	- *
	- * Returns a new stream (that must be freed) or NULL and sets an error via
	- * `error`.
	- *
	- * @note The returned stream must be released via
	- * `mongoc_server_stream_cleanup`.
	- *
	- * @note May add nodes and/or update the cluster's topology.
	- */
	-mongoc_server_stream_t *
	-mongoc_cluster_stream_for_reads (mongoc_cluster_t *cluster,
	- const mongoc_read_prefs_t *read_prefs,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-/**
	- * @brief Obtain a server stream appropriate for write operations on the
	- * cluster.
	- *
	- * Returns a new stream (that must be freed) or NULL and sets an error via
	- * `error`.
	- *
	- * @note The returned stream must be released via `mongoc_server_stream_cleanup`
	- *
	- * @note May add nodes and/or update the cluster's topology.
	- */
	-mongoc_server_stream_t *
	-mongoc_cluster_stream_for_writes (mongoc_cluster_t *cluster,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-/**
	- * @brief Obtain a server stream associated with the cluster node associated
	- * with the given server ID.
	- *
	- * Returns a new server stream (that must be freed) or NULL and sets `error`.
	- *
	- * @param server_id The ID of a server in the cluster topology.
	- * @param reconnect_ok If `true`, the server exists in the topology but is not
	- * connected, then attempt to reconnect with the server. If `false`, then only
	- * create a stream if the server is connected and ready.
	- *
	- * @note The returned stream must be released via `mongoc_server_stream_cleanup`
	- *
	- * @note May update the cluster's topology.
	- */
	-mongoc_server_stream_t *
	-mongoc_cluster_stream_for_server (mongoc_cluster_t *cluster,
	- uint32_t server_id,
	- bool reconnect_ok,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-bool
	-mongoc_cluster_stream_valid (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream);
	-
	-bool
	-mongoc_cluster_run_command_monitored (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-bool
	-mongoc_cluster_run_command_parts (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- mongoc_cmd_parts_t *parts,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-bool
	-mongoc_cluster_run_command_private (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-void
	-_mongoc_cluster_build_sasl_start (bson_t *cmd,
	- const char *mechanism,
	- const char *buf,
	- uint32_t buflen);
	-
	-void
	-_mongoc_cluster_build_sasl_continue (bson_t *cmd,
	- int conv_id,
	- const char *buf,
	- uint32_t buflen);
	-
	-int
	-_mongoc_cluster_get_conversation_id (const bson_t *reply);
	-
	-mongoc_server_stream_t *
	-_mongoc_cluster_create_server_stream (const mongoc_topology_description_t *td,
	- const mongoc_server_description_t *sd,
	- mongoc_stream_t *stream);
	-
	-bool
	-_mongoc_cluster_get_auth_cmd_x509 (const mongoc_uri_t *uri,
	- const mongoc_ssl_opt_t *ssl_opts,
	- bson_t cmd / OUT */,
	- bson_error_t error / OUT */);
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	-void
	-_mongoc_cluster_init_scram (const mongoc_cluster_t *cluster,
	- mongoc_scram_t *scram,
	- mongoc_crypto_hash_algorithm_t algo);
	-
	-bool
	-_mongoc_cluster_get_auth_cmd_scram (mongoc_crypto_hash_algorithm_t algo,
	- mongoc_scram_t *scram,
	- bson_t cmd / OUT */,
	- bson_error_t error / OUT */);
	-#endif /* MONGOC_ENABLE_CRYPTO */
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_CLUSTER_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster.c
	deleted file mode 100644
	index 5b1993f9..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster.c
	+++ /dev/null
	@@ -1,3548 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc-config.h"
	-
	-#include <string.h>
	-
	-#include "mongoc-cluster-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-client-side-encryption-private.h"
	-#include "mongoc-counters-private.h"
	-#include "mongoc-config.h"
	-#include "mongoc-error.h"
	-#include "mongoc-flags-private.h"
	-#include "mongoc-host-list-private.h"
	-#include "mongoc-log.h"
	-#include "mongoc-cluster-sasl-private.h"
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-ssl.h"
	-#include "mongoc-ssl-private.h"
	-#include "mongoc-stream-tls.h"
	-#endif
	-#include "common-b64-private.h"
	-#include "mongoc-scram-private.h"
	-#include "mongoc-set-private.h"
	-#include "mongoc-socket.h"
	-#include "mongoc-stream-private.h"
	-#include "mongoc-stream-socket.h"
	-#include "mongoc-stream-tls.h"
	-#include "mongoc-thread-private.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-topology-background-monitoring-private.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-write-concern-private.h"
	-#include "mongoc-uri-private.h"
	-#include "mongoc-rpc-private.h"
	-#include "mongoc-compression-private.h"
	-#include "mongoc-cmd-private.h"
	-#include "utlist.h"
	-#include "mongoc-handshake-private.h"
	-#include "mongoc-cluster-aws-private.h"
	-#include "mongoc-error-private.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "cluster"
	-
	-
	-#define CHECK_CLOSED_DURATION_MSEC 1000
	-
	-#define IS_NOT_COMMAND(_name) (!!strcasecmp (cmd->command_name, _name))
	-
	-static mongoc_server_stream_t *
	-_cluster_fetch_stream_single (mongoc_cluster_t *cluster,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bool reconnect_ok,
	- bson_error_t *error);
	-
	-static mongoc_server_stream_t *
	-_cluster_fetch_stream_pooled (mongoc_cluster_t *cluster,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bool reconnect_ok,
	- bson_error_t *error);
	-
	-static bool
	-mongoc_cluster_run_opmsg (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- bson_t *reply,
	- bson_error_t *error);
	-
	-static void
	-_bson_error_message_printf (bson_error_t error, const char format, ...)
	- BSON_GNUC_PRINTF (2, 3);
	-
	-static void
	-_handle_not_primary_error (mongoc_cluster_t *cluster,
	- const mongoc_server_stream_t *server_stream,
	- const bson_t *reply)
	-{
	- uint32_t server_id;
	-
	- server_id = server_stream->sd->id;
	- if (_mongoc_topology_handle_app_error (cluster->client->topology,
	- server_id,
	- true /* handshake complete */,
	- MONGOC_SDAM_APP_ERROR_COMMAND,
	- reply,
	- NULL,
	- server_stream->sd->max_wire_version,
	- server_stream->sd->generation,
	- &server_stream->sd->service_id)) {
	- mongoc_cluster_disconnect_node (cluster, server_id);
	- }
	-}
	-
	-/* Called when a network error occurs on an application socket.
	- */
	-static void
	-_handle_network_error (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- bool handshake_complete,
	- const bson_error_t *why)
	-{
	- mongoc_topology_t *topology;
	- uint32_t server_id;
	- _mongoc_sdam_app_error_type_t type;
	-
	- BSON_ASSERT (server_stream);
	-
	- ENTRY;
	- topology = cluster->client->topology;
	- server_id = server_stream->sd->id;
	- type = MONGOC_SDAM_APP_ERROR_NETWORK;
	- if (mongoc_stream_timed_out (server_stream->stream)) {
	- type = MONGOC_SDAM_APP_ERROR_TIMEOUT;
	- }
	-
	- _mongoc_topology_handle_app_error (topology,
	- server_id,
	- handshake_complete,
	- type,
	- NULL,
	- why,
	- server_stream->sd->max_wire_version,
	- server_stream->sd->generation,
	- &server_stream->sd->service_id);
	- /* Always disconnect the current connection on network error. */
	- mongoc_cluster_disconnect_node (cluster, server_id);
	-
	- EXIT;
	-}
	-
	-
	-size_t
	-_mongoc_cluster_buffer_iovec (mongoc_iovec_t *iov,
	- size_t iovcnt,
	- int skip,
	- char *buffer)
	-{
	- int n;
	- size_t buffer_offset = 0;
	- int total_iov_len = 0;
	- int difference = 0;
	-
	- for (n = 0; n < iovcnt; n++) {
	- total_iov_len += iov[n].iov_len;
	-
	- if (total_iov_len <= skip) {
	- continue;
	- }
	-
	- /* If this iovec starts before the skip, and takes the total count
	- * beyond the skip, we need to figure out the portion of the iovec
	- * we should skip passed */
	- if (total_iov_len - iov[n].iov_len < skip) {
	- difference = skip - (total_iov_len - iov[n].iov_len);
	- } else {
	- difference = 0;
	- }
	-
	- memcpy (buffer + buffer_offset,
	- ((char *) iov[n].iov_base) + difference,
	- iov[n].iov_len - difference);
	- buffer_offset += iov[n].iov_len - difference;
	- }
	-
	- return buffer_offset;
	-}
	-
	-/* Allows caller to safely overwrite error->message with a formatted string,
	- * even if the formatted string includes original error->message. */
	-static void
	-_bson_error_message_printf (bson_error_t error, const char format, ...)
	-{
	- va_list args;
	- char error_message[sizeof error->message];
	-
	- if (error) {
	- va_start (args, format);
	- bson_vsnprintf (error_message, sizeof error->message, format, args);
	- va_end (args);
	-
	- bson_strncpy (error->message, error_message, sizeof error->message);
	- }
	-}
	-
	-#define RUN_CMD_ERR_DECORATE \
	- do { \
	- _bson_error_message_printf ( \
	- error, \
	- "Failed to send \"%s\" command with database \"%s\": %s", \
	- cmd->command_name, \
	- cmd->db_name, \
	- error->message); \
	- } while (0)
	-
	-#define RUN_CMD_ERR(_domain, _code, ...) \
	- do { \
	- bson_set_error (error, _domain, _code, __VA_ARGS__); \
	- RUN_CMD_ERR_DECORATE; \
	- } while (0)
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_run_command_opquery --
	- *
	- * Internal function to run a command on a given stream. @error and
	- * @reply are optional out-pointers.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @reply is set and should ALWAYS be released with bson_destroy().
	- * On failure, @error is filled out. If this was a network error
	- * and server_id is nonzero, the cluster disconnects from the server.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-mongoc_cluster_run_command_opquery (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- int32_t compressor_id,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- const size_t reply_header_size = sizeof (mongoc_rpc_reply_header_t);
	- uint8_t reply_header_buf[sizeof (mongoc_rpc_reply_header_t)];
	- uint8_t reply_buf; / reply body */
	- mongoc_rpc_t rpc; /* sent to server */
	- bson_t reply_local;
	- bson_t *reply_ptr;
	- char *cmd_ns;
	- uint32_t request_id;
	- int32_t msg_len;
	- size_t doc_len;
	- bool ret = false;
	- char *output = NULL;
	- mongoc_stream_t *stream;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (cmd);
	- BSON_ASSERT (cmd->server_stream);
	-
	- stream = cmd->server_stream->stream;
	- /*
	- * setup
	- */
	- reply_ptr = reply ? reply : &reply_local;
	- bson_init (reply_ptr);
	-
	- error->code = 0;
	-
	- /*
	- * prepare the request
	- */
	-
	- _mongoc_array_clear (&cluster->iov);
	-
	- cmd_ns = bson_strdup_printf ("%s.$cmd", cmd->db_name);
	- request_id = ++cluster->request_id;
	- _mongoc_rpc_prep_command (&rpc, cmd_ns, cmd);
	- rpc.header.request_id = request_id;
	-
	- _mongoc_rpc_gather (&rpc, &cluster->iov);
	- _mongoc_rpc_swab_to_le (&rpc);
	-
	- if (compressor_id != -1 && IS_NOT_COMMAND (HANDSHAKE_CMD_LEGACY_HELLO) &&
	- IS_NOT_COMMAND ("hello") && IS_NOT_COMMAND ("saslstart") &&
	- IS_NOT_COMMAND ("saslcontinue") && IS_NOT_COMMAND ("getnonce") &&
	- IS_NOT_COMMAND ("authenticate") && IS_NOT_COMMAND ("createuser") &&
	- IS_NOT_COMMAND ("updateuser")) {
	- output = _mongoc_rpc_compress (cluster, compressor_id, &rpc, error);
	- if (output == NULL) {
	- GOTO (done);
	- }
	- }
	-
	- if (cluster->client->in_exhaust) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_IN_EXHAUST,
	- "A cursor derived from this client is in exhaust.");
	- GOTO (done);
	- }
	-
	- /*
	- * send and receive
	- */
	- if (!_mongoc_stream_writev_full (stream,
	- cluster->iov.data,
	- cluster->iov.len,
	- cluster->sockettimeoutms,
	- error)) {
	- _handle_network_error (
	- cluster, cmd->server_stream, true /* handshake complete */, error);
	-
	- /* add info about the command to writev_full's error message */
	- RUN_CMD_ERR_DECORATE;
	- GOTO (done);
	- }
	-
	- if (reply_header_size != mongoc_stream_read (stream,
	- &reply_header_buf,
	- reply_header_size,
	- reply_header_size,
	- cluster->sockettimeoutms)) {
	- RUN_CMD_ERR (MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "socket error or timeout");
	-
	- _handle_network_error (
	- cluster, cmd->server_stream, true /* handshake complete */, error);
	- GOTO (done);
	- }
	-
	- memcpy (&msg_len, reply_header_buf, 4);
	- msg_len = BSON_UINT32_FROM_LE (msg_len);
	- if ((msg_len < reply_header_size) \|\|
	- (msg_len > MONGOC_DEFAULT_MAX_MSG_SIZE)) {
	- _handle_network_error (
	- cluster, cmd->server_stream, true /* handshake complete */, error);
	- GOTO (done);
	- }
	-
	- if (!_mongoc_rpc_scatter_reply_header_only (
	- &rpc, reply_header_buf, reply_header_size)) {
	- _handle_network_error (
	- cluster, cmd->server_stream, true /* handshake complete */, error);
	- GOTO (done);
	- }
	- doc_len = (size_t) msg_len - reply_header_size;
	-
	- if (BSON_UINT32_FROM_LE (rpc.header.opcode) == MONGOC_OPCODE_COMPRESSED) {
	- bson_t tmp = BSON_INITIALIZER;
	- uint8_t *buf = NULL;
	- size_t len = BSON_UINT32_FROM_LE (rpc.compressed.uncompressed_size) +
	- sizeof (mongoc_rpc_header_t);
	-
	- reply_buf = bson_malloc0 (msg_len);
	- memcpy (reply_buf, reply_header_buf, reply_header_size);
	-
	- if (doc_len != mongoc_stream_read (stream,
	- reply_buf + reply_header_size,
	- doc_len,
	- doc_len,
	- cluster->sockettimeoutms)) {
	- RUN_CMD_ERR (MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "socket error or timeout");
	- _handle_network_error (
	- cluster, cmd->server_stream, true /* handshake complete */, error);
	- GOTO (done);
	- }
	- if (!_mongoc_rpc_scatter (&rpc, reply_buf, msg_len)) {
	- GOTO (done);
	- }
	-
	- buf = bson_malloc0 (len);
	- if (!_mongoc_rpc_decompress (&rpc, buf, len)) {
	- RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Could not decompress server reply");
	- bson_free (reply_buf);
	- bson_free (buf);
	- GOTO (done);
	- }
	-
	- _mongoc_rpc_swab_from_le (&rpc);
	-
	- if (!_mongoc_rpc_get_first_document (&rpc, &tmp)) {
	- RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Corrupt compressed OP_QUERY reply from server");
	- bson_free (reply_buf);
	- bson_free (buf);
	- GOTO (done);
	- }
	- bson_copy_to (&tmp, reply_ptr);
	- bson_free (reply_buf);
	- bson_free (buf);
	- } else if (BSON_UINT32_FROM_LE (rpc.header.opcode) == MONGOC_OPCODE_REPLY &&
	- BSON_UINT32_FROM_LE (rpc.reply_header.n_returned) == 1) {
	- reply_buf = bson_reserve_buffer (reply_ptr, (uint32_t) doc_len);
	- BSON_ASSERT (reply_buf);
	-
	- if (doc_len != mongoc_stream_read (stream,
	- (void *) reply_buf,
	- doc_len,
	- doc_len,
	- cluster->sockettimeoutms)) {
	- RUN_CMD_ERR (MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "socket error or timeout");
	- _handle_network_error (
	- cluster, cmd->server_stream, true /* handshake complete */, error);
	- GOTO (done);
	- }
	- _mongoc_rpc_swab_from_le (&rpc);
	- } else {
	- GOTO (done);
	- }
	-
	- if (!_mongoc_cmd_check_ok (
	- reply_ptr, cluster->client->error_api_version, error)) {
	- GOTO (done);
	- }
	-
	- ret = true;
	-
	-done:
	-
	- if (!ret && error->code == 0) {
	- /* generic error */
	- RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Invalid reply from server.");
	- }
	-
	- if (reply_ptr == &reply_local) {
	- bson_destroy (reply_ptr);
	- }
	- bson_free (output);
	- bson_free (cmd_ns);
	-
	- RETURN (ret);
	-}
	-
	-bool
	-_in_sharded_txn (const mongoc_client_session_t *session)
	-{
	- return session && _mongoc_client_session_in_txn_or_ending (session) &&
	- _mongoc_topology_get_type (session->client->topology) ==
	- MONGOC_TOPOLOGY_SHARDED;
	-}
	-
	-static void
	-_handle_txn_error_labels (bool cmd_ret,
	- const bson_error_t *cmd_err,
	- const mongoc_cmd_t *cmd,
	- bson_t *reply)
	-{
	- if (!cmd->is_txn_finish) {
	- return;
	- }
	-
	- _mongoc_write_error_handle_labels (
	- cmd_ret, cmd_err, reply, cmd->server_stream->sd->max_wire_version);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_run_command_monitored --
	- *
	- * Internal function to run a command on a given stream.
	- * @error and @reply are optional out-pointers.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * If the client's APM callbacks are set, they are executed.
	- * @reply is set and should ALWAYS be released with bson_destroy().
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_run_command_monitored (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- bool retval;
	- uint32_t request_id = ++cluster->request_id;
	- uint32_t server_id;
	- mongoc_apm_callbacks_t *callbacks;
	- mongoc_apm_command_started_t started_event;
	- mongoc_apm_command_succeeded_t succeeded_event;
	- mongoc_apm_command_failed_t failed_event;
	- int64_t started = bson_get_monotonic_time ();
	- const mongoc_server_stream_t *server_stream;
	- bson_t reply_local;
	- bson_error_t error_local;
	- int32_t compressor_id;
	- bson_iter_t iter;
	- bson_t encrypted = BSON_INITIALIZER;
	- bson_t decrypted = BSON_INITIALIZER;
	- mongoc_cmd_t encrypted_cmd;
	- bool is_redacted = false;
	-
	- server_stream = cmd->server_stream;
	- server_id = server_stream->sd->id;
	- compressor_id = mongoc_server_description_compressor_id (server_stream->sd);
	-
	- callbacks = &cluster->client->apm_callbacks;
	- if (!reply) {
	- reply = &reply_local;
	- }
	- if (!error) {
	- error = &error_local;
	- }
	-
	- if (_mongoc_cse_is_enabled (cluster->client)) {
	- bson_destroy (&encrypted);
	-
	- retval = _mongoc_cse_auto_encrypt (
	- cluster->client, cmd, &encrypted_cmd, &encrypted, error);
	- cmd = &encrypted_cmd;
	- if (!retval) {
	- bson_init (reply);
	- goto fail_no_events;
	- }
	- }
	-
	- if (callbacks->started) {
	- mongoc_apm_command_started_init_with_cmd (&started_event,
	- cmd,
	- request_id,
	- &is_redacted,
	- cluster->client->apm_context);
	-
	- callbacks->started (&started_event);
	- mongoc_apm_command_started_cleanup (&started_event);
	- }
	-
	- if (server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG) {
	- retval = mongoc_cluster_run_opmsg (cluster, cmd, reply, error);
	- } else {
	- retval = mongoc_cluster_run_command_opquery (
	- cluster, cmd, compressor_id, reply, error);
	- }
	-
	- if (_mongoc_cse_is_enabled (cluster->client)) {
	- bson_destroy (&decrypted);
	- retval = _mongoc_cse_auto_decrypt (
	- cluster->client, cmd->db_name, reply, &decrypted, error);
	- bson_destroy (reply);
	- bson_steal (reply, &decrypted);
	- bson_init (&decrypted);
	- if (!retval) {
	- goto fail_no_events;
	- }
	- }
	-
	- if (retval && callbacks->succeeded) {
	- bson_t fake_reply = BSON_INITIALIZER;
	- /*
	- * Unacknowledged writes must provide a CommandSucceededEvent with an
	- * {ok: 1} reply.
	- * https://github.com/mongodb/specifications/blob/master/source/command-monitoring/command-monitoring.rst#unacknowledged-acknowledged-writes
	- */
	- if (!cmd->is_acknowledged) {
	- bson_append_int32 (&fake_reply, "ok", 2, 1);
	- }
	- mongoc_apm_command_succeeded_init (&succeeded_event,
	- bson_get_monotonic_time () - started,
	- cmd->is_acknowledged ? reply
	- : &fake_reply,
	- cmd->command_name,
	- request_id,
	- cmd->operation_id,
	- &server_stream->sd->host,
	- server_id,
	- &server_stream->sd->service_id,
	- is_redacted,
	- cluster->client->apm_context);
	-
	- callbacks->succeeded (&succeeded_event);
	- mongoc_apm_command_succeeded_cleanup (&succeeded_event);
	- bson_destroy (&fake_reply);
	- }
	- if (!retval && callbacks->failed) {
	- mongoc_apm_command_failed_init (&failed_event,
	- bson_get_monotonic_time () - started,
	- cmd->command_name,
	- error,
	- reply,
	- request_id,
	- cmd->operation_id,
	- &server_stream->sd->host,
	- server_id,
	- &server_stream->sd->service_id,
	- is_redacted,
	- cluster->client->apm_context);
	-
	- callbacks->failed (&failed_event);
	- mongoc_apm_command_failed_cleanup (&failed_event);
	- }
	-
	- _handle_not_primary_error (cluster, server_stream, reply);
	-
	- _handle_txn_error_labels (retval, error, cmd, reply);
	-
	- if (retval && _in_sharded_txn (cmd->session) &&
	- bson_iter_init_find (&iter, reply, "recoveryToken")) {
	- bson_destroy (cmd->session->recovery_token);
	- if (BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- cmd->session->recovery_token =
	- bson_new_from_data (bson_iter_value (&iter)->value.v_doc.data,
	- bson_iter_value (&iter)->value.v_doc.data_len);
	- } else {
	- MONGOC_ERROR ("Malformed recovery token from server");
	- cmd->session->recovery_token = NULL;
	- }
	- }
	-
	-fail_no_events:
	- if (reply == &reply_local) {
	- bson_destroy (&reply_local);
	- }
	-
	- bson_destroy (&encrypted);
	- bson_destroy (&decrypted);
	-
	- _mongoc_topology_update_last_used (cluster->client->topology, server_id);
	-
	- return retval;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_run_command_private --
	- *
	- * Internal function to run a command on a given stream.
	- * @error and @reply are optional out-pointers.
	- * The client's APM callbacks are not executed.
	- * Automatic encryption/decryption is not performed.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @reply is set and should ALWAYS be released with bson_destroy().
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_run_command_private (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- bool retval;
	- const mongoc_server_stream_t *server_stream;
	- bson_t reply_local;
	- bson_error_t error_local;
	-
	- if (!error) {
	- error = &error_local;
	- }
	-
	- if (!reply) {
	- reply = &reply_local;
	- }
	- server_stream = cmd->server_stream;
	- if (server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG) {
	- retval = mongoc_cluster_run_opmsg (cluster, cmd, reply, error);
	- } else {
	- retval =
	- mongoc_cluster_run_command_opquery (cluster, cmd, -1, reply, error);
	- }
	- _handle_not_primary_error (cluster, server_stream, reply);
	- if (reply == &reply_local) {
	- bson_destroy (&reply_local);
	- }
	-
	- _mongoc_topology_update_last_used (cluster->client->topology,
	- server_stream->sd->id);
	-
	- return retval;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_run_command_parts --
	- *
	- * Internal function to assemble command parts and run a command
	- * on a given stream. @error and @reply are optional out-pointers.
	- * The client's APM callbacks are not executed.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @reply is set and should ALWAYS be released with bson_destroy().
	- * mongoc_cmd_parts_cleanup will be always be called on parts. The
	- * caller should not call cleanup on the parts.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_run_command_parts (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream,
	- mongoc_cmd_parts_t *parts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- bool ret;
	-
	- if (!mongoc_cmd_parts_assemble (parts, server_stream, error)) {
	- _mongoc_bson_init_if_set (reply);
	- mongoc_cmd_parts_cleanup (parts);
	- return false;
	- }
	-
	- ret = mongoc_cluster_run_command_private (
	- cluster, &parts->assembled, reply, error);
	- mongoc_cmd_parts_cleanup (parts);
	- return ret;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _stream_run_hello --
	- *
	- * Run a hello command on the given stream. If
	- * @negotiate_sasl_supported_mechs is true, then saslSupportedMechs is
	- * added to the hello command.
	- *
	- * Returns:
	- * A mongoc_server_description_t you must destroy or NULL. If the call
	- * failed its error is set and its type is MONGOC_SERVER_UNKNOWN.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static mongoc_server_description_t *
	-_stream_run_hello (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- const char *address,
	- uint32_t server_id,
	- bool negotiate_sasl_supported_mechs,
	- mongoc_scram_cache_t *scram_cache,
	- mongoc_scram_t *scram,
	- bson_t speculative_auth_response / OUT */,
	- bson_error_t *error)
	-{
	- bson_t command; /* Initialized by dup_handshake below */
	- mongoc_cmd_t hello_cmd;
	- bson_t reply;
	- int64_t start;
	- int64_t rtt_msec;
	- mongoc_server_description_t empty_sd;
	- mongoc_server_description_t *ret_handshake_sd;
	- mongoc_server_stream_t *server_stream;
	- bool r;
	- bson_iter_t iter;
	- mongoc_ssl_opt_t *ssl_opts = NULL;
	- mc_shared_tpld td =
	- mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	-
	- ENTRY;
	-
	- BSON_ASSERT (stream);
	-
	- _mongoc_topology_dup_handshake_cmd (cluster->client->topology, &command);
	-
	- if (cluster->requires_auth && speculative_auth_response) {
	-#ifdef MONGOC_ENABLE_SSL
	- ssl_opts = &cluster->client->ssl_opts;
	-#endif
	-
	- _mongoc_topology_scanner_add_speculative_authentication (
	- &command, cluster->uri, ssl_opts, scram_cache, scram);
	- }
	-
	- if (negotiate_sasl_supported_mechs) {
	- _mongoc_handshake_append_sasl_supported_mechs (cluster->uri, &command);
	- }
	-
	- start = bson_get_monotonic_time ();
	- /* TODO CDRIVER-3654: do not use a mongoc_server_stream here.
	- * Instead, use a plain stream. If a network error occurs, check the cluster
	- * node's generation (which is the generation of the created connection) to
	- * determine if the error should be handled.
	- * The current behavior may double invalidate.
	- * If a network error occurs in mongoc_cluster_run_command_private below,
	- * that invalidates (thinking the error is a post-handshake network error).
	- * Then _mongoc_cluster_stream_for_server also handles the error, and
	- * invalidates again.
	- */
	- mongoc_server_description_init (&empty_sd, address, server_id);
	- server_stream =
	- _mongoc_cluster_create_server_stream (td.ptr, &empty_sd, stream);
	- mongoc_server_description_cleanup (&empty_sd);
	-
	- /* Always use OP_QUERY for the handshake, regardless of whether the last
	- * known hello indicates the server supports a newer wire protocol.
	- */
	- memset (&hello_cmd, 0, sizeof (hello_cmd));
	- hello_cmd.db_name = "admin";
	- hello_cmd.command = &command;
	- hello_cmd.command_name = _mongoc_get_command_name (&command);
	- hello_cmd.query_flags = MONGOC_QUERY_SECONDARY_OK;
	- hello_cmd.server_stream = server_stream;
	-
	- if (!mongoc_cluster_run_command_private (
	- cluster, &hello_cmd, &reply, error)) {
	- if (negotiate_sasl_supported_mechs) {
	- if (bson_iter_init_find (&iter, &reply, "ok") &&
	- !bson_iter_as_bool (&iter)) {
	- /* hello response returned ok: 0. According to auth spec: "If the
	- * hello of the MongoDB Handshake fails with an error, drivers
	- * MUST treat this an authentication error." */
	- error->domain = MONGOC_ERROR_CLIENT;
	- error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	- }
	- }
	-
	- mongoc_server_stream_cleanup (server_stream);
	- ret_handshake_sd = NULL;
	- goto done;
	- }
	-
	- rtt_msec = (bson_get_monotonic_time () - start) / 1000;
	-
	- ret_handshake_sd = (mongoc_server_description_t *) bson_malloc0 (
	- sizeof (mongoc_server_description_t));
	-
	- mongoc_server_description_init (ret_handshake_sd, address, server_id);
	- /* send the error from run_command IN to handle_hello */
	- mongoc_server_description_handle_hello (
	- ret_handshake_sd, &reply, rtt_msec, error);
	-
	- if (cluster->requires_auth && speculative_auth_response) {
	- _mongoc_topology_scanner_parse_speculative_authentication (
	- &reply, speculative_auth_response);
	- }
	-
	- /* Note: This call will render our copy of the topology description to be
	- * stale */
	- r = _mongoc_topology_update_from_handshake (cluster->client->topology,
	- ret_handshake_sd);
	- if (!r) {
	- mongoc_server_description_reset (ret_handshake_sd);
	- bson_set_error (&ret_handshake_sd->error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	- "\"%s\" removed from topology",
	- address);
	- }
	-
	- mongoc_server_stream_cleanup (server_stream);
	-
	-done:
	- bson_destroy (&command);
	- bson_destroy (&reply);
	- mc_tpld_drop_ref (&td);
	-
	- RETURN (ret_handshake_sd);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_run_hello --
	- *
	- * Run an initial hello command for the given node and handle result.
	- *
	- * Returns:
	- * mongoc_server_description_t on success, NULL otherwise.
	- * the mongoc_server_description_t MUST BE DESTROYED BY THE CALLER.
	- *
	- * Side effects:
	- * Makes a blocking I/O call, updates cluster->topology->description
	- * with hello result.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static mongoc_server_description_t *
	-_cluster_run_hello (mongoc_cluster_t *cluster,
	- mongoc_cluster_node_t *node,
	- uint32_t server_id,
	- mongoc_scram_cache_t *scram_cache,
	- mongoc_scram_t scram / OUT */,
	- bson_t speculative_auth_response / OUT */,
	- bson_error_t error / OUT */)
	-{
	- mongoc_server_description_t *sd;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (node);
	- BSON_ASSERT (node->stream);
	-
	- sd = _stream_run_hello (cluster,
	- node->stream,
	- node->connection_address,
	- server_id,
	- _mongoc_uri_requires_auth_negotiation (cluster->uri),
	- scram_cache,
	- scram,
	- speculative_auth_response,
	- error);
	-
	- if (!sd) {
	- return NULL;
	- }
	-
	- if (sd->type == MONGOC_SERVER_UNKNOWN) {
	- memcpy (error, &sd->error, sizeof (bson_error_t));
	- mongoc_server_description_destroy (sd);
	- return NULL;
	- }
	-
	- return sd;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_build_basic_auth_digest --
	- *
	- * Computes the Basic Authentication digest using the credentials
	- * configured for @cluster and the @nonce provided.
	- *
	- * The result should be freed by the caller using bson_free() when
	- * they are finished with it.
	- *
	- * Returns:
	- * A newly allocated string containing the digest.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static char *
	-_mongoc_cluster_build_basic_auth_digest (mongoc_cluster_t *cluster,
	- const char *nonce)
	-{
	- const char *username;
	- const char *password;
	- char *password_digest;
	- char *password_md5;
	- char *digest_in;
	- char *ret;
	-
	- ENTRY;
	-
	- /*
	- * The following generates the digest to be used for basic authentication
	- * with a MongoDB server. More information on the format can be found
	- * at the following location:
	- *
	- * http://docs.mongodb.org/meta-driver/latest/legacy/
	- * implement-authentication-in-driver/
	- */
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (cluster->uri);
	-
	- username = mongoc_uri_get_username (cluster->uri);
	- password = mongoc_uri_get_password (cluster->uri);
	- password_digest = bson_strdup_printf ("%s:mongo:%s", username, password);
	- password_md5 = _mongoc_hex_md5 (password_digest);
	- digest_in = bson_strdup_printf ("%s%s%s", nonce, username, password_md5);
	- ret = _mongoc_hex_md5 (digest_in);
	- bson_free (digest_in);
	- bson_free (password_md5);
	- bson_free (password_digest);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_auth_node_cr --
	- *
	- * Performs authentication of @node using the credentials provided
	- * when configuring the @cluster instance.
	- *
	- * This is the Challenge-Response mode of authentication.
	- *
	- * Returns:
	- * true if authentication was successful; otherwise false and
	- * @error is set.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_auth_node_cr (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *sd,
	- bson_error_t *error)
	-{
	- mongoc_cmd_parts_t parts;
	- bson_iter_t iter;
	- const char *auth_source;
	- bson_t command;
	- bson_t reply;
	- char *digest;
	- char *nonce;
	- bool ret;
	- mongoc_server_stream_t *server_stream;
	- mc_shared_tpld td;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (stream);
	-
	- if (!(auth_source = mongoc_uri_get_auth_source (cluster->uri)) \|\|
	- (*auth_source == '\0')) {
	- auth_source = "admin";
	- }
	-
	- /*
	- * To authenticate a node using basic authentication, we need to first
	- * get the nonce from the server. We use that to hash our password which
	- * is sent as a reply to the server. If everything went good we get a
	- * success notification back from the server.
	- */
	-
	- /*
	- * Execute the getnonce command to fetch the nonce used for generating
	- * md5 digest of our password information.
	- */
	- bson_init (&command);
	- bson_append_int32 (&command, "getnonce", 8, 1);
	- mongoc_cmd_parts_init (&parts,
	- cluster->client,
	- auth_source,
	- MONGOC_QUERY_SECONDARY_OK,
	- &command);
	- parts.prohibit_lsid = true;
	-
	- td = mc_tpld_take_ref (cluster->client->topology);
	- server_stream = _mongoc_cluster_create_server_stream (td.ptr, sd, stream);
	- mc_tpld_drop_ref (&td);
	-
	- if (!mongoc_cluster_run_command_parts (
	- cluster, server_stream, &parts, &reply, error)) {
	- mongoc_server_stream_cleanup (server_stream);
	- bson_destroy (&command);
	- bson_destroy (&reply);
	- RETURN (false);
	- }
	- bson_destroy (&command);
	- if (!bson_iter_init_find_case (&iter, &reply, "nonce")) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_GETNONCE,
	- "Invalid reply from getnonce");
	- bson_destroy (&reply);
	- RETURN (false);
	- }
	-
	- /*
	- * Build our command to perform the authentication.
	- */
	- nonce = bson_iter_dup_utf8 (&iter, NULL);
	- digest = _mongoc_cluster_build_basic_auth_digest (cluster, nonce);
	- bson_init (&command);
	- bson_append_int32 (&command, "authenticate", 12, 1);
	- bson_append_utf8 (
	- &command, "user", 4, mongoc_uri_get_username (cluster->uri), -1);
	- bson_append_utf8 (&command, "nonce", 5, nonce, -1);
	- bson_append_utf8 (&command, "key", 3, digest, -1);
	- bson_destroy (&reply);
	- bson_free (nonce);
	- bson_free (digest);
	-
	- /*
	- * Execute the authenticate command. mongoc_cluster_run_command_private
	- * checks for {ok: 1} in the response.
	- */
	- mongoc_cmd_parts_init (&parts,
	- cluster->client,
	- auth_source,
	- MONGOC_QUERY_SECONDARY_OK,
	- &command);
	- parts.prohibit_lsid = true;
	- ret = mongoc_cluster_run_command_parts (
	- cluster, server_stream, &parts, &reply, error);
	-
	- if (!ret) {
	- /* error->message is already set */
	- error->domain = MONGOC_ERROR_CLIENT;
	- error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	- }
	-
	- mongoc_server_stream_cleanup (server_stream);
	- bson_destroy (&command);
	- bson_destroy (&reply);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_auth_node_plain --
	- *
	- * Perform SASL PLAIN authentication for @node. We do this manually
	- * instead of using the SASL module because it is rather simplistic.
	- *
	- * Returns:
	- * true if successful; otherwise false and error is set.
	- *
	- * Side effects:
	- * error may be set.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_auth_node_plain (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *sd,
	- bson_error_t *error)
	-{
	- mongoc_cmd_parts_t parts;
	- char buf[4096];
	- int buflen = 0;
	- const char *username;
	- const char *password;
	- bson_t b = BSON_INITIALIZER;
	- bson_t reply;
	- size_t len;
	- char *str;
	- bool ret;
	- mongoc_server_stream_t *server_stream;
	- mc_shared_tpld td;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (stream);
	-
	- username = mongoc_uri_get_username (cluster->uri);
	- if (!username) {
	- username = "";
	- }
	-
	- password = mongoc_uri_get_password (cluster->uri);
	- if (!password) {
	- password = "";
	- }
	-
	- str = bson_strdup_printf ("%c%s%c%s", '\0', username, '\0', password);
	- len = strlen (username) + strlen (password) + 2;
	- buflen = COMMON_PREFIX (
	- bson_b64_ntop ((const uint8_t *) str, len, buf, sizeof buf));
	- bson_free (str);
	-
	- if (buflen == -1) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "failed base64 encoding message");
	- return false;
	- }
	-
	- BSON_APPEND_INT32 (&b, "saslStart", 1);
	- BSON_APPEND_UTF8 (&b, "mechanism", "PLAIN");
	- bson_append_utf8 (&b, "payload", 7, (const char *) buf, buflen);
	- BSON_APPEND_INT32 (&b, "autoAuthorize", 1);
	-
	- mongoc_cmd_parts_init (
	- &parts, cluster->client, "$external", MONGOC_QUERY_SECONDARY_OK, &b);
	- parts.prohibit_lsid = true;
	-
	- td = mc_tpld_take_ref (cluster->client->topology);
	- server_stream = _mongoc_cluster_create_server_stream (td.ptr, sd, stream);
	- mc_tpld_drop_ref (&td);
	-
	- ret = mongoc_cluster_run_command_parts (
	- cluster, server_stream, &parts, &reply, error);
	- mongoc_server_stream_cleanup (server_stream);
	- if (!ret) {
	- /* error->message is already set */
	- error->domain = MONGOC_ERROR_CLIENT;
	- error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	- }
	-
	- bson_destroy (&b);
	- bson_destroy (&reply);
	-
	- return ret;
	-}
	-
	-bool
	-_mongoc_cluster_get_auth_cmd_x509 (const mongoc_uri_t *uri,
	- const mongoc_ssl_opt_t *ssl_opts,
	- bson_t cmd / OUT */,
	- bson_error_t error / OUT */)
	-{
	-#ifndef MONGOC_ENABLE_SSL
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "The MONGODB-X509 authentication mechanism requires "
	- "libmongoc built with ENABLE_SSL");
	- return false;
	-#else
	- const char *username_from_uri = NULL;
	- char *username_from_subject = NULL;
	-
	- BSON_ASSERT (uri);
	-
	- username_from_uri = mongoc_uri_get_username (uri);
	- if (username_from_uri) {
	- TRACE ("%s", "X509: got username from URI");
	- } else {
	- if (!ssl_opts \|\| !ssl_opts->pem_file) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "cannot determine username for "
	- "X-509 authentication.");
	- return false;
	- }
	-
	- username_from_subject =
	- mongoc_ssl_extract_subject (ssl_opts->pem_file, ssl_opts->pem_pwd);
	- if (!username_from_subject) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "No username provided for X509 authentication.");
	- return false;
	- }
	-
	- TRACE ("%s", "X509: got username from certificate");
	- }
	-
	- bson_init (cmd);
	- BSON_APPEND_INT32 (cmd, "authenticate", 1);
	- BSON_APPEND_UTF8 (cmd, "mechanism", "MONGODB-X509");
	- BSON_APPEND_UTF8 (cmd,
	- "user",
	- username_from_uri ? username_from_uri
	- : username_from_subject);
	-
	- bson_free (username_from_subject);
	-
	- return true;
	-#endif
	-}
	-
	-
	-static bool
	-_mongoc_cluster_auth_node_x509 (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *sd,
	- bson_error_t *error)
	-{
	-#ifndef MONGOC_ENABLE_SSL
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "The MONGODB-X509 authentication mechanism requires "
	- "libmongoc built with ENABLE_SSL");
	- return false;
	-#else
	- mongoc_cmd_parts_t parts;
	- bson_t cmd;
	- bson_t reply;
	- bool ret;
	- mongoc_server_stream_t *server_stream;
	- mc_shared_tpld td;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (stream);
	-
	- if (!_mongoc_cluster_get_auth_cmd_x509 (
	- cluster->uri, &cluster->client->ssl_opts, &cmd, error)) {
	- return false;
	- }
	-
	- mongoc_cmd_parts_init (
	- &parts, cluster->client, "$external", MONGOC_QUERY_SECONDARY_OK, &cmd);
	- parts.prohibit_lsid = true;
	- td = mc_tpld_take_ref (cluster->client->topology);
	- server_stream = _mongoc_cluster_create_server_stream (td.ptr, sd, stream);
	- mc_tpld_drop_ref (&td);
	-
	- ret = mongoc_cluster_run_command_parts (
	- cluster, server_stream, &parts, &reply, error);
	- mongoc_server_stream_cleanup (server_stream);
	- if (!ret) {
	- /* error->message is already set */
	- error->domain = MONGOC_ERROR_CLIENT;
	- error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	- }
	-
	- bson_destroy (&cmd);
	- bson_destroy (&reply);
	-
	- return ret;
	-#endif
	-}
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	-void
	-_mongoc_cluster_init_scram (const mongoc_cluster_t *cluster,
	- mongoc_scram_t *scram,
	- mongoc_crypto_hash_algorithm_t algo)
	-{
	- _mongoc_uri_init_scram (cluster->uri, scram, algo);
	-
	- /* Apply previously cached SCRAM secrets if available */
	- if (cluster->scram_cache) {
	- _mongoc_scram_set_cache (scram, cluster->scram_cache);
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_get_auth_cmd_scram --
	- *
	- * Generates the saslStart command for scram authentication. Used
	- * during explicit authentication as well as speculative
	- * authentication during hello.
	- *
	- *
	- * Returns:
	- * true if the command could be generated, false otherwise
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-_mongoc_cluster_get_auth_cmd_scram (mongoc_crypto_hash_algorithm_t algo,
	- mongoc_scram_t *scram,
	- bson_t cmd / OUT */,
	- bson_error_t error / OUT */)
	-{
	- uint8_t buf[4096] = {0};
	- uint32_t buflen = 0;
	- bson_t options;
	-
	- if (!_mongoc_scram_step (
	- scram, buf, buflen, buf, sizeof buf, &buflen, error)) {
	- return false;
	- }
	-
	- BSON_ASSERT (scram->step == 1);
	-
	- bson_init (cmd);
	-
	- BSON_APPEND_INT32 (cmd, "saslStart", 1);
	- if (algo == MONGOC_CRYPTO_ALGORITHM_SHA_1) {
	- BSON_APPEND_UTF8 (cmd, "mechanism", "SCRAM-SHA-1");
	- } else if (algo == MONGOC_CRYPTO_ALGORITHM_SHA_256) {
	- BSON_APPEND_UTF8 (cmd, "mechanism", "SCRAM-SHA-256");
	- } else {
	- BSON_ASSERT (false);
	- }
	- bson_append_binary (cmd, "payload", 7, BSON_SUBTYPE_BINARY, buf, buflen);
	- BSON_APPEND_INT32 (cmd, "autoAuthorize", 1);
	-
	- BSON_APPEND_DOCUMENT_BEGIN (cmd, "options", &options);
	- BSON_APPEND_BOOL (&options, "skipEmptyExchange", true);
	- bson_append_document_end (cmd, &options);
	-
	- bson_destroy (&options);
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_run_scram_command --
	- *
	- * Runs a scram authentication command, handling auth_source and
	- * errors during the command.
	- *
	- *
	- * Returns:
	- * true if the command was successful, false otherwise
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_run_scram_command (
	- mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- const mongoc_server_description_t *handshake_sd,
	- const bson_t *cmd,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_cmd_parts_t parts;
	- mongoc_server_stream_t *server_stream;
	- const char *auth_source;
	- mc_shared_tpld td =
	- mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	-
	- if (!(auth_source = mongoc_uri_get_auth_source (cluster->uri)) \|\|
	- (*auth_source == '\0')) {
	- auth_source = "admin";
	- }
	-
	- mongoc_cmd_parts_init (
	- &parts, cluster->client, auth_source, MONGOC_QUERY_SECONDARY_OK, cmd);
	- parts.prohibit_lsid = true;
	- server_stream =
	- _mongoc_cluster_create_server_stream (td.ptr, handshake_sd, stream);
	- mc_tpld_drop_ref (&td);
	-
	- if (!mongoc_cluster_run_command_parts (
	- cluster, server_stream, &parts, reply, error)) {
	- mongoc_server_stream_cleanup (server_stream);
	- bson_destroy (reply);
	-
	- /* error->message is already set */
	- error->domain = MONGOC_ERROR_CLIENT;
	- error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	-
	- return false;
	- }
	-
	- mongoc_server_stream_cleanup (server_stream);
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_auth_scram_start --
	- *
	- * Starts scram authentication by generating and sending the saslStart
	- * command. The conversation can then be resumed using
	- * _mongoc_cluster_auth_scram_continue.
	- *
	- *
	- * Returns:
	- * true if the saslStart command was successful, false otherwise
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_auth_scram_start (
	- mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- const mongoc_server_description_t *handshake_sd,
	- mongoc_crypto_hash_algorithm_t algo,
	- mongoc_scram_t *scram,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- bson_t cmd;
	-
	- BSON_ASSERT (scram->step == 0);
	-
	- if (!_mongoc_cluster_get_auth_cmd_scram (algo, scram, &cmd, error)) {
	- /* error->message is already set */
	- error->domain = MONGOC_ERROR_CLIENT;
	- error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	-
	- return false;
	- }
	-
	- if (!_mongoc_cluster_run_scram_command (
	- cluster, stream, handshake_sd, &cmd, reply, error)) {
	- bson_destroy (&cmd);
	-
	- return false;
	- }
	-
	- bson_destroy (&cmd);
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_scram_handle_reply --
	- *
	- * Handles replies from _mongoc_cluster_run_scram_command. The @done
	- * argument will be set to true if the scram conversation was
	- * completed successfully.
	- *
	- *
	- * Returns:
	- * true if the reply was handled successfully, false if there was an
	- * error. Note that the return value itself does not indicate whether
	- * authentication was completed successfully.
	- *
	- * Side effects:
	- * @error is set on failure. @done, @conv_id, @buf, and @buflen are
	- * set for use in the next scram step.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_scram_handle_reply (mongoc_scram_t *scram,
	- const bson_t *reply,
	- bool done / OUT */,
	- int conv_id / OUT */,
	- uint8_t buf / OUT */,
	- uint32_t bufmax,
	- uint32_t buflen / OUT */,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- bson_subtype_t btype;
	- const char *tmpstr;
	-
	- BSON_ASSERT (scram);
	-
	- if (bson_iter_init_find (&iter, reply, "done") &&
	- bson_iter_as_bool (&iter)) {
	- if (scram->step < 2) {
	- /* Prior to step 2, we haven't even received server proof. */
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "Incorrect step for 'done'");
	- return false;
	- }
	- *done = true;
	- if (scram->step >= 3) {
	- return true;
	- }
	- }
	-
	- if (!bson_iter_init_find (&iter, reply, "conversationId") \|\|
	- !BSON_ITER_HOLDS_INT32 (&iter) \|\|
	- !(*conv_id = bson_iter_int32 (&iter)) \|\|
	- !bson_iter_init_find (&iter, reply, "payload") \|\|
	- !BSON_ITER_HOLDS_BINARY (&iter)) {
	- const char *errmsg = "Received invalid SCRAM reply from MongoDB server.";
	-
	- MONGOC_DEBUG ("SCRAM: authentication failed");
	-
	- if (bson_iter_init_find (&iter, reply, "errmsg") &&
	- BSON_ITER_HOLDS_UTF8 (&iter)) {
	- errmsg = bson_iter_utf8 (&iter, NULL);
	- }
	-
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "%s",
	- errmsg);
	- return false;
	- }
	-
	- bson_iter_binary (&iter, &btype, buflen, (const uint8_t **) &tmpstr);
	-
	- if (*buflen > bufmax) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "SCRAM reply from MongoDB is too large.");
	- return false;
	- }
	-
	- memcpy (buf, tmpstr, *buflen);
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_auth_scram_continue --
	- *
	- * Continues the scram conversation from the reply to a saslStart
	- * command, either sent explicitly or received through speculative
	- * authentication during hello.
	- *
	- *
	- * Returns:
	- * true if authenticated. false on failure and @error is set.
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_auth_scram_continue (
	- mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- const mongoc_server_description_t *handshake_sd,
	- mongoc_scram_t *scram,
	- const bson_t *sasl_start_reply,
	- bson_error_t *error)
	-{
	- bson_t cmd;
	- uint8_t buf[4096] = {0};
	- uint32_t buflen = 0;
	- int conv_id = 0;
	- bool done = false;
	- bson_t reply_local;
	-
	- if (!_mongoc_cluster_scram_handle_reply (scram,
	- sasl_start_reply,
	- &done,
	- &conv_id,
	- buf,
	- sizeof buf,
	- &buflen,
	- error)) {
	- return false;
	- }
	-
	- for (;;) {
	- if (!_mongoc_scram_step (
	- scram, buf, buflen, buf, sizeof buf, &buflen, error)) {
	- return false;
	- }
	-
	- if (done && (scram->step >= 3)) {
	- break;
	- }
	-
	- bson_init (&cmd);
	-
	- BSON_APPEND_INT32 (&cmd, "saslContinue", 1);
	- BSON_APPEND_INT32 (&cmd, "conversationId", conv_id);
	- bson_append_binary (&cmd, "payload", 7, BSON_SUBTYPE_BINARY, buf, buflen);
	-
	- TRACE ("SCRAM: authenticating (step %d)", scram->step);
	-
	- if (!_mongoc_cluster_run_scram_command (
	- cluster, stream, handshake_sd, &cmd, &reply_local, error)) {
	- bson_destroy (&cmd);
	- return false;
	- }
	-
	- bson_destroy (&cmd);
	-
	- if (!_mongoc_cluster_scram_handle_reply (scram,
	- &reply_local,
	- &done,
	- &conv_id,
	- buf,
	- sizeof buf,
	- &buflen,
	- error)) {
	- bson_destroy (&reply_local);
	- return false;
	- }
	-
	- bson_destroy (&reply_local);
	-
	- if (done && (scram->step >= 3)) {
	- break;
	- }
	- }
	-
	- TRACE ("%s", "SCRAM: authenticated");
	-
	- /* Save cached SCRAM secrets for future use */
	- if (cluster->scram_cache) {
	- _mongoc_scram_cache_destroy (cluster->scram_cache);
	- }
	-
	- cluster->scram_cache = _mongoc_scram_get_cache (scram);
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_auth_node_scram --
	- *
	- * Invokes scram authentication by sending a saslStart command and
	- * handling all replies.
	- *
	- *
	- * Returns:
	- * true if authenticated. false on failure and @error is set.
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_auth_node_scram (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *handshake_sd,
	- mongoc_crypto_hash_algorithm_t algo,
	- bson_error_t *error)
	-{
	- mongoc_scram_t scram;
	- bool ret = false;
	- bson_t reply;
	-
	- BSON_ASSERT (cluster);
	-
	- _mongoc_cluster_init_scram (cluster, &scram, algo);
	-
	- if (!_mongoc_cluster_auth_scram_start (
	- cluster, stream, handshake_sd, algo, &scram, &reply, error)) {
	- goto failure;
	- }
	-
	- if (!_mongoc_cluster_auth_scram_continue (
	- cluster, stream, handshake_sd, &scram, &reply, error)) {
	- bson_destroy (&reply);
	-
	- goto failure;
	- }
	-
	- TRACE ("%s", "SCRAM: authenticated");
	-
	- ret = true;
	-
	- bson_destroy (&reply);
	-
	-failure:
	- _mongoc_scram_destroy (&scram);
	-
	- return ret;
	-}
	-#endif
	-
	-static bool
	-_mongoc_cluster_auth_node_scram_sha_1 (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *sd,
	- bson_error_t *error)
	-{
	-#ifndef MONGOC_ENABLE_CRYPTO
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "The SCRAM_SHA_1 authentication mechanism requires "
	- "libmongoc built with ENABLE_SSL");
	- return false;
	-#else
	- return _mongoc_cluster_auth_node_scram (
	- cluster, stream, sd, MONGOC_CRYPTO_ALGORITHM_SHA_1, error);
	-#endif
	-}
	-
	-static bool
	-_mongoc_cluster_auth_node_scram_sha_256 (mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *sd,
	- bson_error_t *error)
	-{
	-#ifndef MONGOC_ENABLE_CRYPTO
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "The SCRAM_SHA_256 authentication mechanism requires "
	- "libmongoc built with ENABLE_SSL");
	- return false;
	-#else
	- return _mongoc_cluster_auth_node_scram (
	- cluster, stream, sd, MONGOC_CRYPTO_ALGORITHM_SHA_256, error);
	-#endif
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_cluster_auth_node --
	- *
	- * Authenticate a cluster node depending on the required mechanism.
	- *
	- * Returns:
	- * true if authenticated. false on failure and @error is set.
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_cluster_auth_node (
	- mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *sd,
	- const mongoc_handshake_sasl_supported_mechs_t *sasl_supported_mechs,
	- bson_error_t *error)
	-{
	- bool ret = false;
	- const char *mechanism;
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (stream);
	-
	- mechanism = mongoc_uri_get_auth_mechanism (cluster->uri);
	-
	- if (!mechanism) {
	- if (sasl_supported_mechs->scram_sha_256) {
	- /* Auth spec: "If SCRAM-SHA-256 is present in the list of mechanisms,
	- * then it MUST be used as the default; otherwise, SCRAM-SHA-1 MUST be
	- * used as the default, regardless of whether SCRAM-SHA-1 is in the
	- * list. Drivers MUST NOT attempt to use any other mechanism (e.g.
	- * PLAIN) as the default." [...] "If saslSupportedMechs is not present
	- * in the hello results for mechanism negotiation, then SCRAM-SHA-1
	- * MUST be used when talking to servers >= 3.0." */
	- mechanism = "SCRAM-SHA-256";
	- } else {
	- mechanism = "SCRAM-SHA-1";
	- }
	- }
	-
	- if (0 == strcasecmp (mechanism, "MONGODB-CR")) {
	- ret = _mongoc_cluster_auth_node_cr (cluster, stream, sd, error);
	- } else if (0 == strcasecmp (mechanism, "MONGODB-X509")) {
	- ret = _mongoc_cluster_auth_node_x509 (cluster, stream, sd, error);
	- } else if (0 == strcasecmp (mechanism, "SCRAM-SHA-1")) {
	- ret = _mongoc_cluster_auth_node_scram_sha_1 (cluster, stream, sd, error);
	- } else if (0 == strcasecmp (mechanism, "SCRAM-SHA-256")) {
	- ret =
	- _mongoc_cluster_auth_node_scram_sha_256 (cluster, stream, sd, error);
	- } else if (0 == strcasecmp (mechanism, "GSSAPI")) {
	- ret = _mongoc_cluster_auth_node_sasl (cluster, stream, sd, error);
	- } else if (0 == strcasecmp (mechanism, "PLAIN")) {
	- ret = _mongoc_cluster_auth_node_plain (cluster, stream, sd, error);
	- } else if (0 == strcasecmp (mechanism, "MONGODB-AWS")) {
	- ret = _mongoc_cluster_auth_node_aws (cluster, stream, sd, error);
	- } else {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_AUTHENTICATE,
	- "Unknown authentication mechanism \"%s\".",
	- mechanism);
	- }
	-
	- if (!ret) {
	- mongoc_counter_auth_failure_inc ();
	- MONGOC_DEBUG ("Authentication failed: %s", error->message);
	- } else {
	- mongoc_counter_auth_success_inc ();
	- TRACE ("%s", "Authentication succeeded");
	- }
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- * Close the connection associated with this server.
	- *
	- * Called when a network error occurs, or to close connection tied to an exhaust
	- * cursor.
	- * If the cluster is pooled, removes the node from cluster's set of nodes.
	- * WARNING: pointers to a disconnected mongoc_cluster_node_t or its stream are
	- * now invalid, be careful of dangling pointers.
	- */
	-
	-void
	-mongoc_cluster_disconnect_node (mongoc_cluster_t *cluster, uint32_t server_id)
	-{
	- mongoc_topology_t *topology = cluster->client->topology;
	-
	- ENTRY;
	-
	- if (topology->single_threaded) {
	- mongoc_topology_scanner_node_t *scanner_node;
	-
	- scanner_node =
	- mongoc_topology_scanner_get_node (topology->scanner, server_id);
	-
	- /* might never actually have connected */
	- if (scanner_node && scanner_node->stream) {
	- mongoc_topology_scanner_node_disconnect (scanner_node, true);
	- }
	- } else {
	- mongoc_set_rm (cluster->nodes, server_id);
	- }
	-
	- EXIT;
	-}
	-
	-static void
	-_mongoc_cluster_node_destroy (mongoc_cluster_node_t *node)
	-{
	- /* Failure, or Replica Set reconfigure without this node */
	- mongoc_stream_failed (node->stream);
	- bson_free (node->connection_address);
	- mongoc_server_description_destroy (node->handshake_sd);
	-
	- bson_free (node);
	-}
	-
	-static void
	-_mongoc_cluster_node_dtor (void data_, void ctx_)
	-{
	- mongoc_cluster_node_t node = (mongoc_cluster_node_t ) data_;
	-
	- _mongoc_cluster_node_destroy (node);
	-}
	-
	-static mongoc_cluster_node_t *
	-_mongoc_cluster_node_new (mongoc_stream_t *stream,
	- const char *connection_address)
	-{
	- mongoc_cluster_node_t *node;
	-
	- if (!stream) {
	- return NULL;
	- }
	-
	- node = (mongoc_cluster_node_t ) bson_malloc0 (sizeof node);
	-
	- node->stream = stream;
	- node->connection_address = bson_strdup (connection_address);
	-
	- return node;
	-}
	-
	-static bool
	-_mongoc_cluster_finish_speculative_auth (
	- mongoc_cluster_t *cluster,
	- mongoc_stream_t *stream,
	- mongoc_server_description_t *handshake_sd,
	- bson_t *speculative_auth_response,
	- mongoc_scram_t *scram,
	- bson_error_t *error)
	-{
	- const char *mechanism =
	- _mongoc_topology_scanner_get_speculative_auth_mechanism (cluster->uri);
	- bool ret = false;
	- bool auth_handled = false;
	-
	- BSON_ASSERT (handshake_sd);
	- BSON_ASSERT (speculative_auth_response);
	-
	- if (!mechanism) {
	- return false;
	- }
	-
	- if (bson_empty (speculative_auth_response)) {
	- return false;
	- }
	-
	-#ifdef MONGOC_ENABLE_SSL
	- if (strcasecmp (mechanism, "MONGODB-X509") == 0) {
	- /* For X509, a successful hello with speculativeAuthenticate field
	- * indicates successful auth */
	- ret = true;
	- auth_handled = true;
	- }
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- if (strcasecmp (mechanism, "SCRAM-SHA-1") == 0 \|\|
	- strcasecmp (mechanism, "SCRAM-SHA-256") == 0) {
	- /* Don't attempt authentication if scram objects have advanced past
	- * saslStart */
	- if (scram->step != 1) {
	- return false;
	- }
	-
	- auth_handled = true;
	-
	- ret = _mongoc_cluster_auth_scram_continue (cluster,
	- stream,
	- handshake_sd,
	- scram,
	- speculative_auth_response,
	- error);
	- }
	-#endif
	-
	- if (auth_handled) {
	- if (!ret) {
	- mongoc_counter_auth_failure_inc ();
	- MONGOC_DEBUG ("Speculative authentication failed: %s", error->message);
	- } else {
	- mongoc_counter_auth_success_inc ();
	- TRACE ("%s", "Speculative authentication succeeded");
	- }
	- }
	-
	- bson_reinit (speculative_auth_response);
	-
	- return ret;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_add_node --
	- *
	- * Add a new node to this cluster for the given server description.
	- *
	- * NOTE: does NOT check if this server is already in the cluster.
	- *
	- * Returns:
	- * A stream connected to the server, or NULL on failure.
	- *
	- * Side effects:
	- * Adds a cluster node, or sets error on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static mongoc_cluster_node_t *
	-_cluster_add_node (mongoc_cluster_t *cluster,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bson_error_t error / OUT */)
	-{
	- mongoc_host_list_t *host = NULL;
	- mongoc_cluster_node_t *cluster_node = NULL;
	- mongoc_stream_t *stream;
	- mongoc_server_description_t *handshake_sd;
	- mongoc_handshake_sasl_supported_mechs_t sasl_supported_mechs;
	- mongoc_scram_t scram = {0};
	- bson_t speculative_auth_response = BSON_INITIALIZER;
	-
	- ENTRY;
	-
	- BSON_ASSERT (!cluster->client->topology->single_threaded);
	-
	- host = _mongoc_topology_host_by_id (td, server_id, error);
	-
	- if (!host) {
	- GOTO (error);
	- }
	-
	- TRACE ("Adding new server to cluster: %s", host->host_and_port);
	-
	- stream = _mongoc_client_create_stream (cluster->client, host, error);
	-
	- if (!stream) {
	- MONGOC_WARNING (
	- "Failed connection to %s (%s)", host->host_and_port, error->message);
	- GOTO (error);
	- /* TODO CDRIVER-3654: if this is a non-timeout network error and the
	- * generation is not stale, mark the server unknown and increment the
	- * generation. */
	- }
	-
	- /* take critical fields from a fresh hello */
	- cluster_node = _mongoc_cluster_node_new (stream, host->host_and_port);
	-
	- handshake_sd = _cluster_run_hello (cluster,
	- cluster_node,
	- server_id,
	- cluster->scram_cache,
	- &scram,
	- &speculative_auth_response,
	- error);
	- if (!handshake_sd) {
	- GOTO (error);
	- }
	-
	- _mongoc_handshake_parse_sasl_supported_mechs (
	- &handshake_sd->last_hello_response, &sasl_supported_mechs);
	-
	- if (cluster->requires_auth) {
	- /* Complete speculative authentication */
	- bool is_auth =
	- _mongoc_cluster_finish_speculative_auth (cluster,
	- stream,
	- handshake_sd,
	- &speculative_auth_response,
	- &scram,
	- error);
	-
	- if (!is_auth && !_mongoc_cluster_auth_node (cluster,
	- cluster_node->stream,
	- handshake_sd,
	- &sasl_supported_mechs,
	- error)) {
	- MONGOC_WARNING ("Failed authentication to %s (%s)",
	- host->host_and_port,
	- error->message);
	- mongoc_server_description_destroy (handshake_sd);
	- GOTO (error);
	- }
	- }
	-
	- /* Transfer ownership of the server description into the cluster node. */
	- cluster_node->handshake_sd = handshake_sd;
	- /* Copy the latest connection pool generation.
	- * TODO (CDRIVER-4078) do not store the generation counter on the server
	- * description */
	- handshake_sd->generation = _mongoc_topology_get_connection_pool_generation (
	- td, server_id, &handshake_sd->service_id);
	-
	- bson_destroy (&speculative_auth_response);
	- mongoc_set_add (cluster->nodes, server_id, cluster_node);
	- _mongoc_host_list_destroy_all (host);
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- _mongoc_scram_destroy (&scram);
	-#endif
	-
	- RETURN (cluster_node);
	-
	-error:
	- bson_destroy (&speculative_auth_response);
	- _mongoc_host_list_destroy_all (host); /* null ok */
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- _mongoc_scram_destroy (&scram);
	-#endif
	-
	- if (cluster_node) {
	- _mongoc_cluster_node_destroy (cluster_node); /* also destroys stream */
	- }
	-
	- RETURN (NULL);
	-}
	-
	-static void
	-node_not_found (const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bson_error_t error / OUT */)
	-{
	- mongoc_server_description_t const *sd;
	-
	- if (!error) {
	- return;
	- }
	-
	- sd = mongoc_topology_description_server_by_id_const (td, server_id, error);
	-
	- if (!sd) {
	- return;
	- }
	-
	- if (sd->error.code) {
	- memcpy (error, &sd->error, sizeof *error);
	- } else {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	- "Could not find node %s",
	- sd->host.host_and_port);
	- }
	-}
	-
	-
	-static void
	-stream_not_found (const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- const char *connection_address,
	- bson_error_t error / OUT */)
	-{
	- mongoc_server_description_t const *sd;
	-
	- sd = mongoc_topology_description_server_by_id_const (td, server_id, error);
	-
	- if (error) {
	- if (sd && sd->error.code) {
	- memcpy (error, &sd->error, sizeof *error);
	- } else {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	- "Could not find stream for node %s",
	- connection_address);
	- }
	- }
	-}
	-
	-static mongoc_server_stream_t *
	-_try_get_server_stream (mongoc_cluster_t *cluster,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bool reconnect_ok,
	- bson_error_t *error)
	-{
	- if (cluster->client->topology->single_threaded) {
	- /* in the single-threaded use case we share topology's streams */
	- return _cluster_fetch_stream_single (
	- cluster, td, server_id, reconnect_ok, error);
	- } else {
	- return _cluster_fetch_stream_pooled (
	- cluster, td, server_id, reconnect_ok, error);
	- }
	-}
	-
	-mongoc_server_stream_t *
	-_mongoc_cluster_stream_for_server (mongoc_cluster_t *cluster,
	- uint32_t server_id,
	- bool reconnect_ok,
	- const mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t error / OUT */)
	-{
	- mongoc_topology_t *const topology =
	- BSON_ASSERT_PTR_INLINE (cluster)->client->topology;
	- mongoc_server_stream_t *ret_server_stream;
	- bson_error_t err_local;
	- /* if fetch_stream fails we need a place to receive error details and pass
	- * them to mongoc_topology_description_invalidate_server. */
	- bson_error_t *err_ptr = error ? error : &err_local;
	- mc_tpld_modification tdmod;
	- mc_shared_tpld td;
	-
	- ENTRY;
	-
	- td = mc_tpld_take_ref (topology);
	-
	- ret_server_stream = _try_get_server_stream (
	- cluster, td.ptr, server_id, reconnect_ok, err_ptr);
	-
	- if (!ret_server_stream) {
	- /* TODO CDRIVER-3654. A null server stream could be due to:
	- * 1. Network error during handshake.
	- * 2. Failure to retrieve server description (if it was removed from
	- * topology).
	- * 3. Auth error during handshake.
	- * Only (1) should mark the server unknown and clear the pool.
	- * Network errors should be checked at a lower layer than this, when an
	- * operation on a stream fails, and should take the connection generation
	- * into account.
	- */
	-
	- /* Update the topology */
	- tdmod = mc_tpld_modify_begin (topology);
	-
	- /* Add a transient transaction label if applicable. */
	- _mongoc_bson_init_with_transient_txn_error (cs, reply);
	-
	- /* When establishing a new connection in load balanced mode, drivers MUST
	- * NOT perform SDAM error handling for any errors that occur before the
	- * MongoDB Handshake. */
	- if (tdmod.new_td->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- mc_tpld_modify_drop (tdmod);
	- ret_server_stream = NULL;
	- goto done;
	- }
	-
	- mongoc_topology_description_invalidate_server (
	- tdmod.new_td, server_id, err_ptr);
	- mongoc_cluster_disconnect_node (cluster, server_id);
	- /* This is not load balanced mode, so there are no service IDs associated
	- * with connections. Pass kZeroServiceId to clear the entire connection
	- * pool to this server. */
	- _mongoc_topology_description_clear_connection_pool (
	- tdmod.new_td, server_id, &kZeroServiceId);
	-
	- if (!topology->single_threaded) {
	- _mongoc_topology_background_monitoring_cancel_check (topology,
	- server_id);
	- }
	- mc_tpld_modify_commit (tdmod);
	- ret_server_stream = NULL;
	- goto done;
	- }
	-
	- /* If this is a load balanced topology and the server stream does not have a
	- * service id, disconnect and return an error. */
	- if (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- if (!mongoc_server_description_has_service_id (ret_server_stream->sd)) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_INVALID_LOAD_BALANCER,
	- "Driver attempted to initialize in load balancing "
	- "mode, but the server does not support this mode.");
	- mongoc_server_stream_cleanup (ret_server_stream);
	- mongoc_cluster_disconnect_node (cluster, server_id);
	- _mongoc_bson_init_if_set (reply);
	- ret_server_stream = NULL;
	- goto done;
	- }
	- }
	-
	-done:
	- mc_tpld_drop_ref (&td);
	- RETURN (ret_server_stream);
	-}
	-
	-
	-mongoc_server_stream_t *
	-mongoc_cluster_stream_for_server (mongoc_cluster_t *cluster,
	- uint32_t server_id,
	- bool reconnect_ok,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_server_stream_t *server_stream = NULL;
	- bson_error_t err_local = {0};
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	-
	- if (cs && cs->server_id && cs->server_id != server_id) {
	- _mongoc_bson_init_if_set (reply);
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_SERVER_SELECTION_INVALID_ID,
	- "Requested server id does not matched pinned server id");
	- RETURN (NULL);
	- }
	-
	- if (!error) {
	- error = &err_local;
	- }
	-
	- server_stream = _mongoc_cluster_stream_for_server (
	- cluster, server_id, reconnect_ok, cs, reply, error);
	-
	-
	- if (_in_sharded_txn (cs)) {
	- _mongoc_client_session_pin (cs, server_id);
	- } else {
	- /* Transactions Spec: Additionally, any non-transaction operation using
	- * a pinned ClientSession MUST unpin the session and the operation MUST
	- * perform normal server selection. */
	- if (cs && !_mongoc_client_session_in_txn_or_ending (cs)) {
	- _mongoc_client_session_unpin (cs);
	- }
	- }
	-
	- RETURN (server_stream);
	-}
	-
	-
	-static mongoc_server_stream_t *
	-_cluster_fetch_stream_single (mongoc_cluster_t *cluster,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bool reconnect_ok,
	- bson_error_t error / OUT */)
	-{
	- mongoc_server_description_t *handshake_sd;
	- mongoc_topology_scanner_node_t *scanner_node;
	- char *address;
	-
	- scanner_node = mongoc_topology_scanner_get_node (
	- cluster->client->topology->scanner, server_id);
	- /* This could happen if a user explicitly passes a bad server id. */
	- if (!scanner_node) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Could not find server with id: %d",
	- server_id);
	- return NULL;
	- }
	-
	- /* Retired scanner nodes are removed at the end of a scan. If the node was
	- * retired, that would indicate a bug. */
	- if (scanner_node->retired) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Unexpected, selecting server marked for removal: %s",
	- scanner_node->host.host_and_port);
	- return NULL;
	- }
	-
	- if (scanner_node->stream) {
	- handshake_sd =
	- mongoc_server_description_new_copy (scanner_node->handshake_sd);
	- } else {
	- if (!reconnect_ok) {
	- stream_not_found (
	- td, server_id, scanner_node->host.host_and_port, error);
	- return NULL;
	- }
	-
	- /* save the scanner node address in case it is removed during the scan. */
	- address = bson_strdup (scanner_node->host.host_and_port);
	- _mongoc_topology_do_blocking_scan (cluster->client->topology, error);
	- if (error->code) {
	- bson_free (address);
	- return NULL;
	- }
	-
	- scanner_node = mongoc_topology_scanner_get_node (
	- cluster->client->topology->scanner, server_id);
	-
	- if (!scanner_node \|\| !scanner_node->stream) {
	- stream_not_found (td, server_id, address, error);
	- bson_free (address);
	- return NULL;
	- }
	- bson_free (address);
	-
	- handshake_sd =
	- mongoc_server_description_new_copy (scanner_node->handshake_sd);
	- }
	-
	- if (handshake_sd->type == MONGOC_SERVER_UNKNOWN) {
	- *error = handshake_sd->error;
	- mongoc_server_description_destroy (handshake_sd);
	- return NULL;
	- }
	-
	- /* stream open but not auth'ed: first use since connect or reconnect */
	- if (cluster->requires_auth && !scanner_node->has_auth) {
	- /* Complete speculative authentication */
	- bool has_speculative_auth = _mongoc_cluster_finish_speculative_auth (
	- cluster,
	- scanner_node->stream,
	- handshake_sd,
	- &scanner_node->speculative_auth_response,
	- &scanner_node->scram,
	- &handshake_sd->error);
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- _mongoc_scram_destroy (&scanner_node->scram);
	-#endif
	-
	- if (!scanner_node->stream) {
	- *error = handshake_sd->error;
	- mongoc_server_description_destroy (handshake_sd);
	- return NULL;
	- }
	-
	- if (!has_speculative_auth &&
	- !_mongoc_cluster_auth_node (cluster,
	- scanner_node->stream,
	- handshake_sd,
	- &scanner_node->sasl_supported_mechs,
	- &handshake_sd->error)) {
	- *error = handshake_sd->error;
	- mongoc_server_description_destroy (handshake_sd);
	- return NULL;
	- }
	-
	- scanner_node->has_auth = true;
	- }
	-
	- /* Copy the latest connection pool generation.
	- * TODO (CDRIVER-4078) do not store the generation counter on the server
	- * description */
	- handshake_sd->generation = _mongoc_topology_get_connection_pool_generation (
	- td, server_id, &handshake_sd->service_id);
	- return mongoc_server_stream_new (td, handshake_sd, scanner_node->stream);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_stream_valid --
	- *
	- * Internal function to determine if @server_stream is valid and
	- * associated with the given cluster.
	- *
	- * Returns:
	- * true if @server_stream is not NULL, hasn't been freed or changed;
	- * otherwise false.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_stream_valid (mongoc_cluster_t *cluster,
	- mongoc_server_stream_t *server_stream)
	-{
	- mongoc_server_stream_t *tmp_stream = NULL;
	- mongoc_topology_t *topology =
	- BSON_ASSERT_PTR_INLINE (cluster)->client->topology;
	- const mongoc_server_description_t *sd;
	- bool ret = false;
	- bson_error_t error;
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	-
	- if (!server_stream) {
	- goto done;
	- }
	-
	- tmp_stream = mongoc_cluster_stream_for_server (
	- cluster, server_stream->sd->id, false, NULL, NULL, NULL);
	- if (!tmp_stream \|\| tmp_stream->stream != server_stream->stream) {
	- /* stream was freed, or has changed. */
	- goto done;
	- }
	-
	- /* Check that the server stream is still valid for the given server, and that
	- * the server is still registered. */
	- sd = mongoc_topology_description_server_by_id_const (
	- td.ptr, server_stream->sd->id, &error);
	- if (!sd \|\|
	- server_stream->sd->generation <
	- _mongoc_topology_get_connection_pool_generation (
	- td.ptr, server_stream->sd->id, &server_stream->sd->service_id)) {
	- /* No server description, or the pool has been cleared. */
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- mc_tpld_drop_ref (&td);
	- mongoc_server_stream_cleanup (tmp_stream);
	- return ret;
	-}
	-
	-mongoc_server_stream_t *
	-_mongoc_cluster_create_server_stream (
	- mongoc_topology_description_t const *td,
	- const mongoc_server_description_t *handshake_sd,
	- mongoc_stream_t *stream)
	-{
	- mongoc_server_description_t *const sd =
	- mongoc_server_description_new_copy (handshake_sd);
	- /* can't just use mongoc_topology_server_by_id(), since we must hold the
	- * lock while copying topology->shared_descr.ptr->logical_time below */
	- return mongoc_server_stream_new (td, sd, stream);
	-}
	-
	-
	-static mongoc_server_stream_t *
	-_cluster_fetch_stream_pooled (mongoc_cluster_t *cluster,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- bool reconnect_ok,
	- bson_error_t error / OUT */)
	-{
	- mongoc_cluster_node_t *cluster_node;
	- mongoc_server_description_t const *sd;
	- bool has_server_description = false;
	-
	- cluster_node =
	- (mongoc_cluster_node_t *) mongoc_set_get (cluster->nodes, server_id);
	-
	- sd = mongoc_topology_description_server_by_id_const (td, server_id, error);
	- if (sd) {
	- has_server_description = true;
	- }
	-
	- if (cluster_node) {
	- uint32_t connection_pool_generation = 0;
	- BSON_ASSERT (cluster_node->stream);
	-
	- connection_pool_generation =
	- _mongoc_topology_get_connection_pool_generation (
	- td, server_id, &cluster_node->handshake_sd->service_id);
	-
	- if (!has_server_description \|\|
	- cluster_node->handshake_sd->generation < connection_pool_generation) {
	- /* Since the stream was created, connections to this server were
	- * invalidated.
	- * This may have happened if:
	- * - A background scan removed the server description.
	- * - A network error or a "not primary"/"node is recovering" error
	- * occurred on an app connection.
	- * - A network error occurred on the monitor connection.
	- */
	- mongoc_cluster_disconnect_node (cluster, server_id);
	- } else {
	- return _mongoc_cluster_create_server_stream (
	- td, cluster_node->handshake_sd, cluster_node->stream);
	- }
	- }
	-
	- /* no node, or out of date */
	- if (!reconnect_ok) {
	- node_not_found (td, server_id, error);
	- return NULL;
	- }
	-
	- cluster_node = _cluster_add_node (cluster, td, server_id, error);
	- if (cluster_node) {
	- return _mongoc_cluster_create_server_stream (
	- td, cluster_node->handshake_sd, cluster_node->stream);
	- } else {
	- return NULL;
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_init --
	- *
	- * Initializes @cluster using the @uri and @client provided. The
	- * @uri is used to determine the "mode" of the cluster. Based on the
	- * uri we can determine if we are connected to a single host, a
	- * replicaSet, or a shardedCluster.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @cluster is initialized.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_cluster_init (mongoc_cluster_t *cluster,
	- const mongoc_uri_t *uri,
	- void *client)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (uri);
	-
	- memset (cluster, 0, sizeof *cluster);
	-
	- cluster->uri = mongoc_uri_copy (uri);
	- cluster->client = (mongoc_client_t *) client;
	- cluster->requires_auth =
	- (mongoc_uri_get_username (uri) \|\| mongoc_uri_get_auth_mechanism (uri));
	-
	- cluster->sockettimeoutms = mongoc_uri_get_option_as_int32 (
	- uri, MONGOC_URI_SOCKETTIMEOUTMS, MONGOC_DEFAULT_SOCKETTIMEOUTMS);
	-
	- cluster->socketcheckintervalms =
	- mongoc_uri_get_option_as_int32 (uri,
	- MONGOC_URI_SOCKETCHECKINTERVALMS,
	- MONGOC_TOPOLOGY_SOCKET_CHECK_INTERVAL_MS);
	-
	- /* TODO for single-threaded case we don't need this */
	- cluster->nodes = mongoc_set_new (8, _mongoc_cluster_node_dtor, NULL);
	-
	- _mongoc_array_init (&cluster->iov, sizeof (mongoc_iovec_t));
	-
	- cluster->operation_id = rand ();
	-
	- EXIT;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_destroy --
	- *
	- * Clean up after @cluster and destroy all active connections.
	- * All resources for @cluster are released.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Everything.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_cluster_destroy (mongoc_cluster_t cluster) / INOUT */
	-{
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	-
	- mongoc_uri_destroy (cluster->uri);
	-
	- mongoc_set_destroy (cluster->nodes);
	-
	- _mongoc_array_destroy (&cluster->iov);
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- if (cluster->scram_cache) {
	- _mongoc_scram_cache_destroy (cluster->scram_cache);
	- }
	-#endif
	-
	- EXIT;
	-}
	-
	-static uint32_t
	-_mongoc_cluster_select_server_id (mongoc_client_session_t *cs,
	- mongoc_topology_t *topology,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error)
	-{
	- uint32_t server_id;
	-
	- if (_in_sharded_txn (cs)) {
	- server_id = cs->server_id;
	- if (!server_id) {
	- server_id = mongoc_topology_select_server_id (
	- topology, optype, read_prefs, error);
	- if (server_id) {
	- _mongoc_client_session_pin (cs, server_id);
	- }
	- }
	- } else {
	- server_id =
	- mongoc_topology_select_server_id (topology, optype, read_prefs, error);
	- /* Transactions Spec: Additionally, any non-transaction operation using a
	- * pinned ClientSession MUST unpin the session and the operation MUST
	- * perform normal server selection. */
	- if (cs && !_mongoc_client_session_in_txn_or_ending (cs)) {
	- _mongoc_client_session_unpin (cs);
	- }
	- }
	-
	- return server_id;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_stream_for_optype --
	- *
	- * Internal server selection.
	- *
	- * Returns:
	- * A mongoc_server_stream_t on which you must call
	- * mongoc_server_stream_cleanup, or NULL on failure (sets @error)
	- *
	- * Side effects:
	- * May add or disconnect nodes in @cluster->nodes.
	- * Sets @error and initializes @reply on error.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static mongoc_server_stream_t *
	-_mongoc_cluster_stream_for_optype (mongoc_cluster_t *cluster,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_prefs,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_server_stream_t *server_stream;
	- uint32_t server_id;
	- mongoc_topology_t *topology = cluster->client->topology;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	-
	- server_id = _mongoc_cluster_select_server_id (
	- cs, topology, optype, read_prefs, error);
	-
	- if (!server_id) {
	- _mongoc_bson_init_with_transient_txn_error (cs, reply);
	- RETURN (NULL);
	- }
	-
	- if (!mongoc_cluster_check_interval (cluster, server_id)) {
	- /* Server Selection Spec: try once more */
	- server_id = _mongoc_cluster_select_server_id (
	- cs, topology, optype, read_prefs, error);
	-
	- if (!server_id) {
	- _mongoc_bson_init_with_transient_txn_error (cs, reply);
	- RETURN (NULL);
	- }
	- }
	-
	- /* connect or reconnect to server if necessary */
	- server_stream = _mongoc_cluster_stream_for_server (
	- cluster, server_id, true /* reconnect_ok */, cs, reply, error);
	-
	- RETURN (server_stream);
	-}
	-
	-mongoc_server_stream_t *
	-mongoc_cluster_stream_for_reads (mongoc_cluster_t *cluster,
	- const mongoc_read_prefs_t *read_prefs,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- const mongoc_read_prefs_t *prefs_override = read_prefs;
	-
	- if (_mongoc_client_session_in_txn (cs)) {
	- prefs_override = cs->txn.opts.read_prefs;
	- }
	-
	- return _mongoc_cluster_stream_for_optype (
	- cluster, MONGOC_SS_READ, prefs_override, cs, reply, error);
	-}
	-
	-mongoc_server_stream_t *
	-mongoc_cluster_stream_for_writes (mongoc_cluster_t *cluster,
	- mongoc_client_session_t *cs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- return _mongoc_cluster_stream_for_optype (
	- cluster, MONGOC_SS_WRITE, NULL, cs, reply, error);
	-}
	-
	-static bool
	-_mongoc_cluster_min_of_max_obj_size_sds (const void item, void ctx)
	-{
	- const mongoc_server_description_t *sd = item;
	- int32_t current_min = (int32_t ) ctx;
	-
	- if (sd->max_bson_obj_size < *current_min) {
	- *current_min = sd->max_bson_obj_size;
	- }
	- return true;
	-}
	-
	-static bool
	-_mongoc_cluster_min_of_max_obj_size_nodes (void item, void ctx)
	-{
	- mongoc_cluster_node_t node = (mongoc_cluster_node_t ) item;
	- int32_t current_min = (int32_t ) ctx;
	-
	- if (node->handshake_sd->max_bson_obj_size < *current_min) {
	- *current_min = node->handshake_sd->max_bson_obj_size;
	- }
	- return true;
	-}
	-
	-static bool
	-_mongoc_cluster_min_of_max_msg_size_sds (const void item, void ctx)
	-{
	- const mongoc_server_description_t *sd = item;
	- int32_t current_min = (int32_t ) ctx;
	-
	- if (sd->max_msg_size < *current_min) {
	- *current_min = sd->max_msg_size;
	- }
	- return true;
	-}
	-
	-static bool
	-_mongoc_cluster_min_of_max_msg_size_nodes (void item, void ctx)
	-{
	- mongoc_cluster_node_t node = (mongoc_cluster_node_t ) item;
	- int32_t current_min = (int32_t ) ctx;
	-
	- if (node->handshake_sd->max_msg_size < *current_min) {
	- *current_min = node->handshake_sd->max_msg_size;
	- }
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_get_max_bson_obj_size --
	- *
	- * Return the minimum max_bson_obj_size across all servers in cluster.
	- *
	- * Returns:
	- * The minimum max_bson_obj_size.
	- *
	- * Side effects:
	- * None
	- *
	- *--------------------------------------------------------------------------
	- */
	-int32_t
	-mongoc_cluster_get_max_bson_obj_size (mongoc_cluster_t *cluster)
	-{
	- int32_t max_bson_obj_size = -1;
	-
	- max_bson_obj_size = MONGOC_DEFAULT_BSON_OBJ_SIZE;
	-
	- if (!cluster->client->topology->single_threaded) {
	- mongoc_set_for_each (cluster->nodes,
	- _mongoc_cluster_min_of_max_obj_size_nodes,
	- &max_bson_obj_size);
	- } else {
	- mc_shared_tpld td =
	- mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	- mongoc_set_for_each_const (mc_tpld_servers_const (td.ptr),
	- _mongoc_cluster_min_of_max_obj_size_sds,
	- &max_bson_obj_size);
	- mc_tpld_drop_ref (&td);
	- }
	-
	- return max_bson_obj_size;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_get_max_msg_size --
	- *
	- * Return the minimum max msg size across all servers in cluster.
	- *
	- * Returns:
	- * The minimum max_msg_size
	- *
	- * Side effects:
	- * None
	- *
	- *--------------------------------------------------------------------------
	- */
	-int32_t
	-mongoc_cluster_get_max_msg_size (mongoc_cluster_t *cluster)
	-{
	- int32_t max_msg_size = MONGOC_DEFAULT_MAX_MSG_SIZE;
	-
	- if (!cluster->client->topology->single_threaded) {
	- mongoc_set_for_each (cluster->nodes,
	- _mongoc_cluster_min_of_max_msg_size_nodes,
	- &max_msg_size);
	- } else {
	- mc_shared_tpld td =
	- mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	- mongoc_set_for_each_const (mc_tpld_servers_const (td.ptr),
	- _mongoc_cluster_min_of_max_msg_size_sds,
	- &max_msg_size);
	- mc_tpld_drop_ref (&td);
	- }
	-
	- return max_msg_size;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_check_interval --
	- *
	- * Server Selection Spec:
	- *
	- * Only for single-threaded drivers.
	- *
	- * If a server is selected that has an existing connection that has been
	- * idle for socketCheckIntervalMS, the driver MUST check the connection
	- * with the "ping" command. If the ping succeeds, use the selected
	- * connection. If not, set the server's type to Unknown and update the
	- * Topology Description according to the Server Discovery and Monitoring
	- * Spec, and attempt once more to select a server.
	- *
	- * Returns:
	- * True if the check succeeded or no check was required, false if the
	- * check failed.
	- *
	- * Side effects:
	- * If a check fails, closes stream and may set server type Unknown.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_check_interval (mongoc_cluster_t *cluster, uint32_t server_id)
	-{
	- mongoc_cmd_parts_t parts;
	- mongoc_topology_t *topology;
	- mongoc_topology_scanner_node_t *scanner_node;
	- mongoc_stream_t *stream;
	- int64_t now;
	- bson_t command;
	- bson_error_t error;
	- bool r = true;
	- mongoc_server_stream_t *server_stream;
	- mongoc_server_description_t *handshake_sd;
	-
	- topology = cluster->client->topology;
	-
	- if (!topology->single_threaded) {
	- return true;
	- }
	-
	- scanner_node =
	- mongoc_topology_scanner_get_node (topology->scanner, server_id);
	-
	- if (!scanner_node) {
	- return false;
	- }
	-
	- BSON_ASSERT (!scanner_node->retired);
	-
	- stream = scanner_node->stream;
	-
	- if (!stream) {
	- return false;
	- }
	-
	- handshake_sd = scanner_node->handshake_sd;
	- BSON_ASSERT (handshake_sd);
	-
	- now = bson_get_monotonic_time ();
	-
	- if (scanner_node->last_used + (1000 * CHECK_CLOSED_DURATION_MSEC) < now) {
	- if (mongoc_stream_check_closed (stream)) {
	- mc_tpld_modification tdmod;
	- bson_set_error (&error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "connection closed");
	- mongoc_cluster_disconnect_node (cluster, server_id);
	- tdmod = mc_tpld_modify_begin (topology);
	- /* invalidate_server() is okay if 'server_id' was already removed. */
	- mongoc_topology_description_invalidate_server (
	- tdmod.new_td, server_id, &error);
	- mc_tpld_modify_commit (tdmod);
	- return false;
	- }
	- }
	-
	- if (scanner_node->last_used + (1000 * cluster->socketcheckintervalms) <
	- now) {
	- mc_shared_tpld td;
	-
	- bson_init (&command);
	- BSON_APPEND_INT32 (&command, "ping", 1);
	- mongoc_cmd_parts_init (
	- &parts, cluster->client, "admin", MONGOC_QUERY_SECONDARY_OK, &command);
	- parts.prohibit_lsid = true;
	-
	- td = mc_tpld_take_ref (cluster->client->topology);
	- server_stream =
	- _mongoc_cluster_create_server_stream (td.ptr, handshake_sd, stream);
	- mc_tpld_drop_ref (&td);
	-
	- if (!server_stream) {
	- bson_destroy (&command);
	- return false;
	- }
	- r = mongoc_cluster_run_command_parts (
	- cluster, server_stream, &parts, NULL, &error);
	-
	- mongoc_server_stream_cleanup (server_stream);
	- bson_destroy (&command);
	-
	- if (!r) {
	- mc_tpld_modification tdmod;
	- mongoc_cluster_disconnect_node (cluster, server_id);
	- tdmod = mc_tpld_modify_begin (cluster->client->topology);
	- /* invalidate_server() is okay if 'server_id' was already removed. */
	- mongoc_topology_description_invalidate_server (
	- tdmod.new_td, server_id, &error);
	- mc_tpld_modify_commit (tdmod);
	- }
	- }
	-
	- return r;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_legacy_rpc_sendv_to_server --
	- *
	- * Sends the given RPCs to the given server. Used for OP_QUERY cursors,
	- * OP_KILLCURSORS, and legacy writes with OP_INSERT, OP_UPDATE, and
	- * OP_DELETE. This function is not in the OP_QUERY command path.
	- *
	- * Returns:
	- * True if successful.
	- *
	- * Side effects:
	- * @rpc may be mutated and should be considered invalid after calling
	- * this method.
	- *
	- * @error may be set.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_legacy_rpc_sendv_to_server (
	- mongoc_cluster_t *cluster,
	- mongoc_rpc_t *rpc,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error)
	-{
	- uint32_t server_id;
	- int32_t max_msg_size;
	- bool ret = false;
	- int32_t compressor_id = 0;
	- char *output = NULL;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (rpc);
	- BSON_ASSERT (server_stream);
	-
	- server_id = server_stream->sd->id;
	-
	- if (cluster->client->in_exhaust) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_IN_EXHAUST,
	- "A cursor derived from this client is in exhaust.");
	- GOTO (done);
	- }
	-
	- _mongoc_array_clear (&cluster->iov);
	- compressor_id = mongoc_server_description_compressor_id (server_stream->sd);
	-
	- _mongoc_rpc_gather (rpc, &cluster->iov);
	- _mongoc_rpc_swab_to_le (rpc);
	-
	- if (compressor_id != -1) {
	- output = _mongoc_rpc_compress (cluster, compressor_id, rpc, error);
	- if (output == NULL) {
	- GOTO (done);
	- }
	- }
	-
	- max_msg_size = mongoc_server_stream_max_msg_size (server_stream);
	-
	- if (BSON_UINT32_FROM_LE (rpc->header.msg_len) > max_msg_size) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_TOO_BIG,
	- "Attempted to send an RPC larger than the "
	- "max allowed message size. Was %u, allowed %u.",
	- BSON_UINT32_FROM_LE (rpc->header.msg_len),
	- max_msg_size);
	- GOTO (done);
	- }
	-
	- if (!_mongoc_stream_writev_full (server_stream->stream,
	- cluster->iov.data,
	- cluster->iov.len,
	- cluster->sockettimeoutms,
	- error)) {
	- GOTO (done);
	- }
	-
	- _mongoc_topology_update_last_used (cluster->client->topology, server_id);
	-
	- ret = true;
	-
	-done:
	-
	- if (compressor_id) {
	- bson_free (output);
	- }
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cluster_try_recv --
	- *
	- * Tries to receive the next event from the MongoDB server.
	- * The contents are loaded into @buffer and then
	- * scattered into the @rpc structure. @rpc is valid as long as
	- * @buffer contains the contents read into it.
	- *
	- * Callers that can optimize a reuse of @buffer should do so. It
	- * can save many memory allocations.
	- *
	- * Returns:
	- * True if successful.
	- *
	- * Side effects:
	- * @rpc is set on success, @error on failure.
	- * @buffer will be filled with the input data.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cluster_try_recv (mongoc_cluster_t *cluster,
	- mongoc_rpc_t *rpc,
	- mongoc_buffer_t *buffer,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error)
	-{
	- bson_error_t err_local;
	- int32_t msg_len;
	- int32_t max_msg_size;
	- off_t pos;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cluster);
	- BSON_ASSERT (rpc);
	- BSON_ASSERT (buffer);
	- BSON_ASSERT (server_stream);
	-
	-
	- TRACE ("Waiting for reply from server_id \"%u\"", server_stream->sd->id);
	-
	- if (!error) {
	- error = &err_local;
	- }
	-
	- /*
	- * Buffer the message length to determine how much more to read.
	- */
	- pos = buffer->len;
	- if (!_mongoc_buffer_append_from_stream (
	- buffer, server_stream->stream, 4, cluster->sockettimeoutms, error)) {
	- MONGOC_DEBUG (
	- "Could not read 4 bytes, stream probably closed or timed out");
	- mongoc_counter_protocol_ingress_error_inc ();
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- RETURN (false);
	- }
	-
	- /*
	- * Read the msg length from the buffer.
	- */
	- memcpy (&msg_len, &buffer->data[pos], 4);
	- msg_len = BSON_UINT32_FROM_LE (msg_len);
	- max_msg_size = mongoc_server_stream_max_msg_size (server_stream);
	- if ((msg_len < 16) \|\| (msg_len > max_msg_size)) {
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Corrupt or malicious reply received.");
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- mongoc_counter_protocol_ingress_error_inc ();
	- RETURN (false);
	- }
	-
	- /*
	- * Read the rest of the message from the stream.
	- */
	- if (!_mongoc_buffer_append_from_stream (buffer,
	- server_stream->stream,
	- msg_len - 4,
	- cluster->sockettimeoutms,
	- error)) {
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- mongoc_counter_protocol_ingress_error_inc ();
	- RETURN (false);
	- }
	-
	- /*
	- * Scatter the buffer into the rpc structure.
	- */
	- if (!_mongoc_rpc_scatter (rpc, &buffer->data[pos], msg_len)) {
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Failed to decode reply from server.");
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- mongoc_counter_protocol_ingress_error_inc ();
	- RETURN (false);
	- }
	-
	- if (BSON_UINT32_FROM_LE (rpc->header.opcode) == MONGOC_OPCODE_COMPRESSED) {
	- uint8_t *buf = NULL;
	- size_t len = BSON_UINT32_FROM_LE (rpc->compressed.uncompressed_size) +
	- sizeof (mongoc_rpc_header_t);
	-
	- buf = bson_malloc0 (len);
	- if (!_mongoc_rpc_decompress (rpc, buf, len)) {
	- bson_free (buf);
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Could not decompress server reply");
	- RETURN (false);
	- }
	-
	- _mongoc_buffer_destroy (buffer);
	- _mongoc_buffer_init (buffer, buf, len, NULL, NULL);
	- }
	- _mongoc_rpc_swab_from_le (rpc);
	-
	- RETURN (true);
	-}
	-
	-
	-static void
	-network_error_reply (bson_t reply, mongoc_cmd_t cmd)
	-{
	- bson_t labels;
	-
	- if (reply) {
	- bson_init (reply);
	- }
	-
	- if (cmd->session) {
	- if (cmd->session->server_session) {
	- cmd->session->server_session->dirty = true;
	- }
	- /* Transactions Spec defines TransientTransactionError: "Any
	- * network error or server selection error encountered running any
	- * command besides commitTransaction in a transaction. In the case
	- * of command errors, the server adds the label; in the case of
	- * network errors or server selection errors where the client
	- * receives no server reply, the client adds the label." */
	- if (_mongoc_client_session_in_txn (cmd->session) && !cmd->is_txn_finish) {
	- /* Transaction Spec: "Drivers MUST unpin a ClientSession when a command
	- * within a transaction, including commitTransaction and
	- * abortTransaction,
	- * fails with a TransientTransactionError". If we're about to add
	- * a TransientTransactionError label due to a client side error then we
	- * unpin. If commitTransaction/abortTransation includes a label in the
	- * server reply, we unpin in _mongoc_client_session_handle_reply. */
	- cmd->session->server_id = 0;
	- if (!reply) {
	- return;
	- }
	-
	- BSON_APPEND_ARRAY_BEGIN (reply, "errorLabels", &labels);
	- BSON_APPEND_UTF8 (&labels, "0", TRANSIENT_TXN_ERR);
	- bson_append_array_end (reply, &labels);
	- }
	- }
	-}
	-
	-
	-static bool
	-mongoc_cluster_run_opmsg (mongoc_cluster_t *cluster,
	- mongoc_cmd_t *cmd,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_rpc_section_t section[2];
	- mongoc_buffer_t buffer;
	- bson_t reply_local; /* only statically initialized */
	- char *output = NULL;
	- mongoc_rpc_t rpc;
	- int32_t msg_len;
	- bool ok;
	- mongoc_server_stream_t *server_stream;
	-
	- server_stream = cmd->server_stream;
	- if (!cmd->command_name) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Empty command document");
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	- if (cluster->client->in_exhaust) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_IN_EXHAUST,
	- "A cursor derived from this client is in exhaust.");
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- _mongoc_array_clear (&cluster->iov);
	- _mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
	-
	- rpc.header.msg_len = 0;
	- rpc.header.request_id = ++cluster->request_id;
	- rpc.header.response_to = 0;
	- rpc.header.opcode = MONGOC_OPCODE_MSG;
	-
	- if (cmd->is_acknowledged) {
	- rpc.msg.flags = 0;
	- } else {
	- rpc.msg.flags = MONGOC_MSG_MORE_TO_COME;
	- }
	-
	- rpc.msg.n_sections = 1;
	-
	- section[0].payload_type = 0;
	- section[0].payload.bson_document = bson_get_data (cmd->command);
	- rpc.msg.sections[0] = section[0];
	-
	- if (cmd->payload) {
	- section[1].payload_type = 1;
	- section[1].payload.sequence.size = cmd->payload_size +
	- strlen (cmd->payload_identifier) + 1 +
	- sizeof (int32_t);
	- section[1].payload.sequence.identifier = cmd->payload_identifier;
	- section[1].payload.sequence.bson_documents = cmd->payload;
	- rpc.msg.sections[1] = section[1];
	- rpc.msg.n_sections++;
	- }
	-
	- _mongoc_rpc_gather (&rpc, &cluster->iov);
	- _mongoc_rpc_swab_to_le (&rpc);
	-
	- if (mongoc_cmd_is_compressible (cmd)) {
	- int32_t compressor_id =
	- mongoc_server_description_compressor_id (server_stream->sd);
	-
	- TRACE (
	- "Function '%s' is compressible: %d", cmd->command_name, compressor_id);
	- if (compressor_id != -1) {
	- output = _mongoc_rpc_compress (cluster, compressor_id, &rpc, error);
	- if (output == NULL) {
	- _mongoc_bson_init_if_set (reply);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	- }
	- }
	- ok = _mongoc_stream_writev_full (server_stream->stream,
	- (mongoc_iovec_t *) cluster->iov.data,
	- cluster->iov.len,
	- cluster->sockettimeoutms,
	- error);
	- if (!ok) {
	- /* add info about the command to writev_full's error message */
	- RUN_CMD_ERR_DECORATE;
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- server_stream->stream = NULL;
	- bson_free (output);
	- network_error_reply (reply, cmd);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	-
	- /* If acknowledged, wait for a server response. Otherwise, exit early */
	- if (cmd->is_acknowledged) {
	- ok = _mongoc_buffer_append_from_stream (
	- &buffer, server_stream->stream, 4, cluster->sockettimeoutms, error);
	- if (!ok) {
	- RUN_CMD_ERR_DECORATE;
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- server_stream->stream = NULL;
	- bson_free (output);
	- network_error_reply (reply, cmd);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	-
	- BSON_ASSERT (buffer.len == 4);
	- memcpy (&msg_len, buffer.data, 4);
	- msg_len = BSON_UINT32_FROM_LE (msg_len);
	- if ((msg_len < 16) \|\| (msg_len > server_stream->sd->max_msg_size)) {
	- RUN_CMD_ERR (
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Message size %d is not within expected range 16-%d bytes",
	- msg_len,
	- server_stream->sd->max_msg_size);
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- server_stream->stream = NULL;
	- bson_free (output);
	- network_error_reply (reply, cmd);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	-
	- ok = _mongoc_buffer_append_from_stream (&buffer,
	- server_stream->stream,
	- (size_t) msg_len - 4,
	- cluster->sockettimeoutms,
	- error);
	- if (!ok) {
	- RUN_CMD_ERR_DECORATE;
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- server_stream->stream = NULL;
	- bson_free (output);
	- network_error_reply (reply, cmd);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	-
	- ok = _mongoc_rpc_scatter (&rpc, buffer.data, buffer.len);
	- if (!ok) {
	- RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Malformed message from server");
	- bson_free (output);
	- network_error_reply (reply, cmd);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	- if (BSON_UINT32_FROM_LE (rpc.header.opcode) == MONGOC_OPCODE_COMPRESSED) {
	- size_t len = BSON_UINT32_FROM_LE (rpc.compressed.uncompressed_size) +
	- sizeof (mongoc_rpc_header_t);
	-
	- output = bson_realloc (output, len);
	- if (!_mongoc_rpc_decompress (&rpc, (uint8_t *) output, len)) {
	- RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Could not decompress message from server");
	- _handle_network_error (
	- cluster, server_stream, true /* handshake complete */, error);
	- server_stream->stream = NULL;
	- bson_free (output);
	- network_error_reply (reply, cmd);
	- _mongoc_buffer_destroy (&buffer);
	- return false;
	- }
	- }
	- _mongoc_rpc_swab_from_le (&rpc);
	-
	- memcpy (&msg_len, rpc.msg.sections[0].payload.bson_document, 4);
	- msg_len = BSON_UINT32_FROM_LE (msg_len);
	- bson_init_static (
	- &reply_local, rpc.msg.sections[0].payload.bson_document, msg_len);
	-
	- _mongoc_topology_update_cluster_time (cluster->client->topology,
	- &reply_local);
	- ok = _mongoc_cmd_check_ok (
	- &reply_local, cluster->client->error_api_version, error);
	-
	- if (cmd->session) {
	- _mongoc_client_session_handle_reply (cmd->session,
	- cmd->is_acknowledged,
	- cmd->command_name,
	- &reply_local);
	- }
	-
	- if (reply) {
	- bson_copy_to (&reply_local, reply);
	- }
	- } else {
	- _mongoc_bson_init_if_set (reply);
	- }
	-
	- _mongoc_buffer_destroy (&buffer);
	- bson_free (output);
	-
	- return ok;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd.c
	deleted file mode 100644
	index 47813ff9..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd.c
	+++ /dev/null
	@@ -1,1178 +0,0 @@
	-/*
	- * Copyright 2017 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc-cmd-private.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-read-concern-private.h"
	-#include "mongoc-server-api-private.h"
	-#include "mongoc-write-concern-private.h"
	-/* For strcasecmp on Windows */
	-#include "mongoc-util-private.h"
	-
	-
	-void
	-mongoc_cmd_parts_init (mongoc_cmd_parts_t *parts,
	- mongoc_client_t *client,
	- const char *db_name,
	- mongoc_query_flags_t user_query_flags,
	- const bson_t *command_body)
	-{
	- parts->body = command_body;
	- parts->user_query_flags = user_query_flags;
	- parts->read_prefs = NULL;
	- parts->is_read_command = false;
	- parts->is_write_command = false;
	- parts->prohibit_lsid = false;
	- parts->allow_txn_number = MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_UNKNOWN;
	- parts->is_retryable_read = false;
	- parts->is_retryable_write = false;
	- parts->has_temp_session = false;
	- parts->client = client;
	- bson_init (&parts->read_concern_document);
	- bson_init (&parts->write_concern_document);
	- bson_init (&parts->extra);
	- bson_init (&parts->assembled_body);
	-
	- parts->assembled.db_name = db_name;
	- parts->assembled.command = NULL;
	- parts->assembled.query_flags = MONGOC_QUERY_NONE;
	- parts->assembled.payload_identifier = NULL;
	- parts->assembled.payload = NULL;
	- parts->assembled.session = NULL;
	- parts->assembled.is_acknowledged = true;
	- parts->assembled.is_txn_finish = false;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cmd_parts_set_session --
	- *
	- * Set the client session field.
	- *
	- * Side effects:
	- * Aborts if the command is assembled or if mongoc_cmd_parts_append_opts
	- * was called before.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_cmd_parts_set_session (mongoc_cmd_parts_t *parts,
	- mongoc_client_session_t *cs)
	-{
	- BSON_ASSERT (parts);
	- BSON_ASSERT (!parts->assembled.command);
	- BSON_ASSERT (!parts->assembled.session);
	-
	- parts->assembled.session = cs;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cmd_parts_append_opts --
	- *
	- * Take an iterator over user-supplied options document and append the
	- * options to @parts->command_extra, taking the selected server's max
	- * wire version into account.
	- *
	- * Return:
	- * True if the options were successfully applied. If any options are
	- * invalid, returns false and fills out @error. In that case @parts is
	- * invalid and must not be used.
	- *
	- * Side effects:
	- * May partly apply options before returning an error.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cmd_parts_append_opts (mongoc_cmd_parts_t *parts,
	- bson_iter_t *iter,
	- int max_wire_version,
	- bson_error_t *error)
	-{
	- mongoc_client_session_t *cs = NULL;
	- mongoc_write_concern_t *wc;
	- uint32_t len;
	- const uint8_t *data;
	- bson_t read_concern;
	- const char *to_append;
	-
	- ENTRY;
	-
	- /* not yet assembled */
	- BSON_ASSERT (!parts->assembled.command);
	-
	- while (bson_iter_next (iter)) {
	- if (BSON_ITER_IS_KEY (iter, "collation")) {
	- if (max_wire_version < WIRE_VERSION_COLLATION) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "The selected server does not support collation");
	- RETURN (false);
	- }
	-
	- } else if (BSON_ITER_IS_KEY (iter, "writeConcern")) {
	- wc = _mongoc_write_concern_new_from_iter (iter, error);
	- if (!wc) {
	- RETURN (false);
	- }
	-
	- if (!mongoc_cmd_parts_set_write_concern (
	- parts, wc, max_wire_version, error)) {
	- mongoc_write_concern_destroy (wc);
	- RETURN (false);
	- }
	-
	- mongoc_write_concern_destroy (wc);
	- continue;
	- } else if (BSON_ITER_IS_KEY (iter, "readConcern")) {
	- if (max_wire_version < WIRE_VERSION_READ_CONCERN) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "The selected server does not support readConcern");
	- RETURN (false);
	- }
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT (iter)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "Invalid readConcern");
	- RETURN (false);
	- }
	-
	- /* add readConcern later, once we know about causal consistency */
	- bson_iter_document (iter, &len, &data);
	- BSON_ASSERT (bson_init_static (&read_concern, data, (size_t) len));
	- bson_destroy (&parts->read_concern_document);
	- bson_copy_to (&read_concern, &parts->read_concern_document);
	- continue;
	- } else if (BSON_ITER_IS_KEY (iter, "sessionId")) {
	- BSON_ASSERT (!parts->assembled.session);
	-
	- if (!_mongoc_client_session_from_iter (
	- parts->client, iter, &cs, error)) {
	- RETURN (false);
	- }
	-
	- parts->assembled.session = cs;
	- continue;
	- } else if (BSON_ITER_IS_KEY (iter, "serverId") \|\|
	- BSON_ITER_IS_KEY (iter, "maxAwaitTimeMS")) {
	- continue;
	- }
	-
	- to_append = bson_iter_key (iter);
	- if (!bson_append_iter (&parts->extra, to_append, -1, iter)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Failed to append \"%s\" to create command.",
	- to_append);
	- RETURN (false);
	- }
	- }
	-
	- RETURN (true);
	-}
	-
	-
	-#define OPTS_ERR(_code, ...) \
	- do { \
	- bson_set_error ( \
	- error, MONGOC_ERROR_COMMAND, MONGOC_ERROR_##_code, __VA_ARGS__); \
	- RETURN (false); \
	- } while (0)
	-
	-
	-/* set readConcern if allowed, otherwise error */
	-bool
	-mongoc_cmd_parts_set_read_concern (mongoc_cmd_parts_t *parts,
	- const mongoc_read_concern_t *rc,
	- int max_wire_version,
	- bson_error_t *error)
	-{
	- const char *command_name;
	-
	- ENTRY;
	-
	- /* In a txn, set read concern in mongoc_cmd_parts_assemble, not here. *
	- * Transactions Spec: "The readConcern MUST NOT be inherited from the
	- * collection, database, or client associated with the driver method that
	- * invokes the first command." */
	- if (_mongoc_client_session_in_txn (parts->assembled.session)) {
	- RETURN (true);
	- }
	-
	- command_name = _mongoc_get_command_name (parts->body);
	-
	- if (!command_name) {
	- OPTS_ERR (COMMAND_INVALID_ARG, "Empty command document");
	- }
	-
	- if (mongoc_read_concern_is_default (rc)) {
	- RETURN (true);
	- }
	-
	- if (max_wire_version < WIRE_VERSION_READ_CONCERN) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "\"%s\" command does not support readConcern with "
	- "wire version %d, wire version %d is required",
	- command_name,
	- max_wire_version,
	- WIRE_VERSION_READ_CONCERN);
	- RETURN (false);
	- }
	-
	- bson_destroy (&parts->read_concern_document);
	- bson_copy_to (_mongoc_read_concern_get_bson ((mongoc_read_concern_t *) rc),
	- &parts->read_concern_document);
	-
	- RETURN (true);
	-}
	-
	-
	-/* set writeConcern if allowed, otherwise ignore - unlike set_read_concern, it's
	- * the caller's responsibility to check if writeConcern is supported */
	-bool
	-mongoc_cmd_parts_set_write_concern (mongoc_cmd_parts_t *parts,
	- const mongoc_write_concern_t *wc,
	- int max_wire_version,
	- bson_error_t *error)
	-{
	- const char *command_name;
	- bool is_fam;
	- bool wc_allowed;
	-
	- ENTRY;
	-
	- if (!wc) {
	- RETURN (true);
	- }
	-
	- command_name = _mongoc_get_command_name (parts->body);
	-
	- if (!command_name) {
	- OPTS_ERR (COMMAND_INVALID_ARG, "Empty command document");
	- }
	-
	- is_fam = !strcasecmp (command_name, "findandmodify");
	-
	- wc_allowed =
	- parts->is_write_command \|\|
	- (is_fam && max_wire_version >= WIRE_VERSION_FAM_WRITE_CONCERN) \|\|
	- (!is_fam && max_wire_version >= WIRE_VERSION_CMD_WRITE_CONCERN);
	-
	- if (wc_allowed) {
	- parts->assembled.is_acknowledged =
	- mongoc_write_concern_is_acknowledged (wc);
	- bson_destroy (&parts->write_concern_document);
	- bson_copy_to (
	- _mongoc_write_concern_get_bson ((mongoc_write_concern_t *) wc),
	- &parts->write_concern_document);
	- }
	-
	- RETURN (true);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cmd_parts_append_read_write --
	- *
	- * Append user-supplied options to @parts->command_extra, taking the
	- * selected server's max wire version into account.
	- *
	- * Return:
	- * True if the options were successfully applied. If any options are
	- * invalid, returns false and fills out @error. In that case @parts is
	- * invalid and must not be used.
	- *
	- * Side effects:
	- * May partly apply options before returning an error.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cmd_parts_append_read_write (mongoc_cmd_parts_t *parts,
	- mongoc_read_write_opts_t *rw_opts,
	- int max_wire_version,
	- bson_error_t *error)
	-{
	- ENTRY;
	-
	- /* not yet assembled */
	- BSON_ASSERT (!parts->assembled.command);
	-
	- if (!bson_empty (&rw_opts->collation)) {
	- if (max_wire_version < WIRE_VERSION_COLLATION) {
	- OPTS_ERR (PROTOCOL_BAD_WIRE_VERSION,
	- "The selected server does not support collation");
	- }
	-
	- if (!bson_append_document (
	- &parts->extra, "collation", 9, &rw_opts->collation)) {
	- OPTS_ERR (COMMAND_INVALID_ARG, "'opts' with 'collation' is too large");
	- }
	- }
	-
	- if (!mongoc_cmd_parts_set_write_concern (
	- parts, rw_opts->writeConcern, max_wire_version, error)) {
	- RETURN (false);
	- }
	-
	- /* process explicit read concern */
	- if (!bson_empty (&rw_opts->readConcern)) {
	- if (max_wire_version < WIRE_VERSION_READ_CONCERN) {
	- OPTS_ERR (PROTOCOL_BAD_WIRE_VERSION,
	- "The selected server does not support readConcern");
	- }
	-
	- /* save readConcern for later, once we know about causal consistency */
	- bson_destroy (&parts->read_concern_document);
	- bson_copy_to (&rw_opts->readConcern, &parts->read_concern_document);
	- }
	-
	- if (rw_opts->client_session) {
	- BSON_ASSERT (!parts->assembled.session);
	- parts->assembled.session = rw_opts->client_session;
	- }
	-
	- if (!bson_concat (&parts->extra, &rw_opts->extra)) {
	- OPTS_ERR (COMMAND_INVALID_ARG, "'opts' with extra fields is too large");
	- }
	-
	- RETURN (true);
	-}
	-
	-#undef OPTS_ERR
	-
	-static void
	-_mongoc_cmd_parts_ensure_copied (mongoc_cmd_parts_t *parts)
	-{
	- if (parts->assembled.command == parts->body) {
	- bson_concat (&parts->assembled_body, parts->body);
	- bson_concat (&parts->assembled_body, &parts->extra);
	- parts->assembled.command = &parts->assembled_body;
	- }
	-}
	-
	-
	-static void
	-_mongoc_cmd_parts_add_write_concern (mongoc_cmd_parts_t *parts)
	-{
	- if (!bson_empty (&parts->write_concern_document)) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_document (&parts->assembled_body,
	- "writeConcern",
	- 12,
	- &parts->write_concern_document);
	- }
	-}
	-
	-
	-/* The server type must be mongos, or message must be OP_MSG. */
	-static void
	-_mongoc_cmd_parts_add_read_prefs (bson_t *query,
	- const mongoc_read_prefs_t *prefs)
	-{
	- bson_t child;
	- const char *mode_str;
	- const bson_t *tags;
	- int64_t stale;
	- const bson_t *hedge;
	-
	- mode_str = _mongoc_read_mode_as_str (mongoc_read_prefs_get_mode (prefs));
	- tags = mongoc_read_prefs_get_tags (prefs);
	- stale = mongoc_read_prefs_get_max_staleness_seconds (prefs);
	- hedge = mongoc_read_prefs_get_hedge (prefs);
	-
	- bson_append_document_begin (query, "$readPreference", 15, &child);
	- bson_append_utf8 (&child, "mode", 4, mode_str, -1);
	- if (!bson_empty0 (tags)) {
	- bson_append_array (&child, "tags", 4, tags);
	- }
	-
	- if (stale != MONGOC_NO_MAX_STALENESS) {
	- bson_append_int64 (&child, "maxStalenessSeconds", 19, stale);
	- }
	-
	- if (!bson_empty0 (hedge)) {
	- bson_append_document (&child, "hedge", 5, hedge);
	- }
	-
	- bson_append_document_end (query, &child);
	-}
	-
	-
	-static void
	-_iter_concat (bson_t dst, bson_iter_t iter)
	-{
	- uint32_t len;
	- const uint8_t *data;
	- bson_t src;
	-
	- bson_iter_document (iter, &len, &data);
	- BSON_ASSERT (bson_init_static (&src, data, len));
	- BSON_ASSERT (bson_concat (dst, &src));
	-}
	-
	-
	-/* Update result with the read prefs. Server must be mongos.
	- */
	-static void
	-_mongoc_cmd_parts_assemble_mongos (mongoc_cmd_parts_t *parts,
	- const mongoc_server_stream_t *server_stream)
	-{
	- mongoc_read_mode_t mode;
	- const bson_t *tags = NULL;
	- int64_t max_staleness_seconds = MONGOC_NO_MAX_STALENESS;
	- const bson_t *hedge = NULL;
	- bool add_read_prefs = false;
	- bson_t query;
	- bson_iter_t dollar_query;
	- bool has_dollar_query = false;
	- bool requires_read_concern;
	- bool requires_write_concern;
	-
	- ENTRY;
	-
	- mode = mongoc_read_prefs_get_mode (parts->read_prefs);
	- if (parts->read_prefs) {
	- max_staleness_seconds =
	- mongoc_read_prefs_get_max_staleness_seconds (parts->read_prefs);
	-
	- tags = mongoc_read_prefs_get_tags (parts->read_prefs);
	- hedge = mongoc_read_prefs_get_hedge (parts->read_prefs);
	- }
	-
	- /* Server Selection Spec says:
	- *
	- * For mode 'primary', drivers MUST NOT set the secondaryOk wire protocol
	- * flag and MUST NOT use $readPreference
	- *
	- * For mode 'secondary', drivers MUST set the secondaryOk wire protocol flag
	- * and MUST also use $readPreference
	- *
	- * For mode 'primaryPreferred', drivers MUST set the secondaryOk wire
	- * protocol flag and MUST also use $readPreference
	- *
	- * For mode 'secondaryPreferred', drivers MUST set the secondaryOk wire
	- * protocol flag. If the read preference contains a non-empty tag_sets
	- * parameter, maxStalenessSeconds is a positive integer, or the hedge
	- * parameter is non-empty, drivers MUST use $readPreference; otherwise,
	- * drivers MUST NOT use $readPreference
	- *
	- * For mode 'nearest', drivers MUST set the secondaryOk wire protocol flag
	- * and MUST also use $readPreference
	- */
	- switch (mode) {
	- case MONGOC_READ_PRIMARY:
	- break;
	- case MONGOC_READ_SECONDARY_PREFERRED:
	- if (!bson_empty0 (tags) \|\| max_staleness_seconds > 0 \|\|
	- !bson_empty0 (hedge)) {
	- add_read_prefs = true;
	- }
	- parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	- break;
	- case MONGOC_READ_PRIMARY_PREFERRED:
	- case MONGOC_READ_SECONDARY:
	- case MONGOC_READ_NEAREST:
	- default:
	- parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	- add_read_prefs = true;
	- }
	-
	- requires_read_concern =
	- !bson_empty (&parts->read_concern_document) &&
	- strcmp (parts->assembled.command_name, "getMore") != 0;
	-
	- requires_write_concern = !bson_empty (&parts->write_concern_document);
	-
	- if (add_read_prefs) {
	- /* produce {$query: {user query, readConcern}, $readPreference: ... } */
	- bson_append_document_begin (&parts->assembled_body, "$query", 6, &query);
	-
	- if (bson_iter_init_find (&dollar_query, parts->body, "$query")) {
	- /* user provided something like {$query: {key: "x"}} */
	- has_dollar_query = true;
	- _iter_concat (&query, &dollar_query);
	- } else {
	- bson_concat (&query, parts->body);
	- }
	-
	- bson_concat (&query, &parts->extra);
	- if (requires_read_concern) {
	- bson_append_document (
	- &query, "readConcern", 11, &parts->read_concern_document);
	- }
	-
	- if (requires_write_concern) {
	- bson_append_document (
	- &query, "writeConcern", 12, &parts->write_concern_document);
	- }
	-
	- bson_append_document_end (&parts->assembled_body, &query);
	- _mongoc_cmd_parts_add_read_prefs (&parts->assembled_body,
	- parts->read_prefs);
	-
	- if (has_dollar_query) {
	- /* copy anything that isn't in user's $query */
	- bson_copy_to_excluding_noinit (
	- parts->body, &parts->assembled_body, "$query", NULL);
	- }
	-
	- parts->assembled.command = &parts->assembled_body;
	- } else if (bson_iter_init_find (&dollar_query, parts->body, "$query")) {
	- /* user provided $query, we have no read prefs */
	- bson_append_document_begin (&parts->assembled_body, "$query", 6, &query);
	- _iter_concat (&query, &dollar_query);
	- bson_concat (&query, &parts->extra);
	- if (requires_read_concern) {
	- bson_append_document (
	- &query, "readConcern", 11, &parts->read_concern_document);
	- }
	-
	- if (requires_write_concern) {
	- bson_append_document (
	- &query, "writeConcern", 12, &parts->write_concern_document);
	- }
	-
	- bson_append_document_end (&parts->assembled_body, &query);
	- /* copy anything that isn't in user's $query */
	- bson_copy_to_excluding_noinit (
	- parts->body, &parts->assembled_body, "$query", NULL);
	-
	- parts->assembled.command = &parts->assembled_body;
	- } else {
	- if (requires_read_concern) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_document (&parts->assembled_body,
	- "readConcern",
	- 11,
	- &parts->read_concern_document);
	- }
	-
	- _mongoc_cmd_parts_add_write_concern (parts);
	- }
	-
	- if (!bson_empty (&parts->extra)) {
	- /* if none of the above logic has merged "extra", do it now */
	- _mongoc_cmd_parts_ensure_copied (parts);
	- }
	-
	- EXIT;
	-}
	-
	-
	-static void
	-_mongoc_cmd_parts_assemble_mongod (mongoc_cmd_parts_t *parts,
	- const mongoc_server_stream_t *server_stream)
	-{
	- ENTRY;
	-
	- if (!parts->is_write_command) {
	- switch (server_stream->topology_type) {
	- case MONGOC_TOPOLOGY_SINGLE:
	- /* Server Selection Spec: for topology type single and server types
	- * besides mongos, "clients MUST always set the secondaryOk wire
	- * protocol flag on reads to ensure that any server type can handle
	- * the request."
	- */
	- parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	- break;
	-
	- case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	- case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	- /* Server Selection Spec: for RS topology types, "For all read
	- * preferences modes except primary, clients MUST set the secondaryOk
	- * wire protocol flag to ensure that any suitable server can handle the
	- * request. Clients MUST NOT set the secondaryOk wire protocol flag if
	- * the read preference mode is primary.
	- */
	- if (parts->read_prefs &&
	- parts->read_prefs->mode != MONGOC_READ_PRIMARY) {
	- parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	- }
	-
	- break;
	- case MONGOC_TOPOLOGY_SHARDED:
	- case MONGOC_TOPOLOGY_UNKNOWN:
	- case MONGOC_TOPOLOGY_LOAD_BALANCED:
	- case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	- default:
	- /* must not call this function w/ sharded, load balanced, or unknown topology type */
	- BSON_ASSERT (false);
	- }
	- } /* if (!parts->is_write_command) */
	-
	- if (!bson_empty (&parts->extra)) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- }
	-
	- if (!bson_empty (&parts->read_concern_document) &&
	- strcmp (parts->assembled.command_name, "getMore") != 0) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_document (&parts->assembled_body,
	- "readConcern",
	- 11,
	- &parts->read_concern_document);
	- }
	-
	- _mongoc_cmd_parts_add_write_concern (parts);
	-
	- EXIT;
	-}
	-
	-
	-static const bson_t *
	-_largest_cluster_time (const bson_t a, const bson_t b)
	-{
	- if (!a) {
	- return b;
	- }
	-
	- if (!b) {
	- return a;
	- }
	-
	- if (_mongoc_cluster_time_greater (a, b)) {
	- return a;
	- }
	-
	- return b;
	-}
	-
	-
	-/* Check if the command should allow a transaction number if that has not
	- * already been determined.
	- *
	- * This should only return true for write commands that are always retryable for
	- * the server stream's wire version.
	- *
	- * The basic write commands (i.e. insert, update, delete) are intentionally
	- * excluded here. While insert is always retryable, update and delete are only
	- * retryable if they include no multi-document writes. Since it would be costly
	- * to inspect the command document here, the bulk operation API explicitly sets
	- * allow_txn_number for us. This means that insert, update, and delete are not
	- * retryable if executed via mongoc_client_write_command_with_opts(); however,
	- * documentation already instructs users not to use that for basic writes.
	- */
	-static bool
	-_allow_txn_number (const mongoc_cmd_parts_t *parts,
	- const mongoc_server_stream_t *server_stream)
	-{
	- /* There is no reason to call this function if allow_txn_number is set */
	- BSON_ASSERT (parts->allow_txn_number ==
	- MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_UNKNOWN);
	-
	- if (!parts->is_write_command) {
	- return false;
	- }
	-
	- if (server_stream->sd->max_wire_version < WIRE_VERSION_RETRY_WRITES) {
	- return false;
	- }
	-
	- if (!parts->assembled.is_acknowledged) {
	- return false;
	- }
	-
	- if (!strcasecmp (parts->assembled.command_name, "findandmodify")) {
	- return true;
	- }
	-
	- return false;
	-}
	-
	-
	-/* Check if the write command should support retryable behavior. */
	-static bool
	-_is_retryable_write (const mongoc_cmd_parts_t *parts,
	- const mongoc_server_stream_t *server_stream)
	-{
	- if (!parts->assembled.session) {
	- return false;
	- }
	-
	- if (!parts->is_write_command) {
	- return false;
	- }
	-
	- if (parts->allow_txn_number != MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_YES) {
	- return false;
	- }
	-
	- if (server_stream->sd->max_wire_version < WIRE_VERSION_RETRY_WRITES) {
	- return false;
	- }
	-
	- if (server_stream->sd->type == MONGOC_SERVER_STANDALONE) {
	- return false;
	- }
	-
	- if (_mongoc_client_session_in_txn (parts->assembled.session)) {
	- return false;
	- }
	-
	- if (!mongoc_uri_get_option_as_bool (parts->client->uri,
	- MONGOC_URI_RETRYWRITES,
	- MONGOC_DEFAULT_RETRYWRITES)) {
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-/* Check if the read command should support retryable behavior. */
	-bool
	-_is_retryable_read (const mongoc_cmd_parts_t *parts,
	- const mongoc_server_stream_t *server_stream)
	-{
	- if (!parts->is_read_command) {
	- return false;
	- }
	-
	- /* Commands that go through read_write_command helpers are also write
	- * commands. Prohibit from read retry. */
	- if (parts->is_write_command) {
	- return false;
	- }
	-
	- if (server_stream->sd->max_wire_version < WIRE_VERSION_RETRY_READS) {
	- return false;
	- }
	-
	- if (_mongoc_client_session_in_txn (parts->assembled.session)) {
	- return false;
	- }
	-
	- if (!mongoc_uri_get_option_as_bool (parts->client->uri,
	- MONGOC_URI_RETRYREADS,
	- MONGOC_DEFAULT_RETRYREADS)) {
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cmd_parts_assemble --
	- *
	- * Assemble the command body, options, and read preference into one
	- * command.
	- *
	- * Return:
	- * True if the options were successfully applied. If any options are
	- * invalid, returns false and fills out @error. In that case @parts is
	- * invalid and must not be used.
	- *
	- * Side effects:
	- * May partly assemble before returning an error.
	- * mongoc_cmd_parts_cleanup should be called in all cases.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cmd_parts_assemble (mongoc_cmd_parts_t *parts,
	- mongoc_server_stream_t *server_stream,
	- bson_error_t *error)
	-{
	- mongoc_server_description_type_t server_type;
	- mongoc_client_session_t *cs;
	- const bson_t *cluster_time = NULL;
	- mongoc_read_prefs_t *prefs = NULL;
	- const char *cmd_name;
	- bool is_get_more;
	- const mongoc_read_prefs_t *prefs_ptr;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT (parts);
	- BSON_ASSERT (server_stream);
	-
	- server_type = server_stream->sd->type;
	- cs = parts->prohibit_lsid ? NULL : parts->assembled.session;
	-
	- /* Assembling the command depends on the type of server. If the server has
	- * been invalidated, error. */
	- if (server_type == MONGOC_SERVER_UNKNOWN) {
	- if (error) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot assemble command for invalidated server: %s",
	- server_stream->sd->error.message);
	- }
	- RETURN (false);
	- }
	-
	- /* must not be assembled already */
	- BSON_ASSERT (!parts->assembled.command);
	- BSON_ASSERT (bson_empty (&parts->assembled_body));
	-
	- /* begin with raw flags/cmd as assembled flags/cmd, might change below */
	- parts->assembled.command = parts->body;
	- /* unused in OP_MSG: */
	- parts->assembled.query_flags = parts->user_query_flags;
	- parts->assembled.server_stream = server_stream;
	- cmd_name = parts->assembled.command_name =
	- _mongoc_get_command_name (parts->assembled.command);
	-
	- if (!parts->assembled.command_name) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Empty command document");
	- GOTO (done);
	- }
	-
	- TRACE ("Preparing '%s'", cmd_name);
	-
	- is_get_more = !strcmp (cmd_name, "getMore");
	- parts->assembled.is_txn_finish = !strcmp (cmd_name, "commitTransaction") \|\|
	- !strcmp (cmd_name, "abortTransaction");
	-
	- if (!parts->is_write_command && IS_PREF_PRIMARY (parts->read_prefs) &&
	- server_stream->topology_type == MONGOC_TOPOLOGY_SINGLE &&
	- server_type != MONGOC_SERVER_MONGOS) {
	- prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
	- prefs_ptr = prefs;
	- } else {
	- prefs_ptr = parts->read_prefs;
	- }
	-
	- if (server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG) {
	- if (!bson_has_field (parts->body, "$db")) {
	- BSON_APPEND_UTF8 (&parts->extra, "$db", parts->assembled.db_name);
	- }
	-
	- if (cs && _mongoc_client_session_in_txn (cs)) {
	- if (!IS_PREF_PRIMARY (cs->txn.opts.read_prefs) &&
	- !parts->is_write_command) {
	- bson_set_error (error,
	- MONGOC_ERROR_TRANSACTION,
	- MONGOC_ERROR_TRANSACTION_INVALID_STATE,
	- "Read preference in a transaction must be primary");
	- GOTO (done);
	- }
	- } else if (!IS_PREF_PRIMARY (prefs_ptr) &&
	- server_type != MONGOC_SERVER_STANDALONE) {
	- /* "Type Standalone: clients MUST NOT send the read preference to the
	- * server" */
	- _mongoc_cmd_parts_add_read_prefs (&parts->extra, prefs_ptr);
	- }
	-
	- if (!bson_empty (&parts->extra)) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- }
	-
	- /* If an explicit session was not provided and lsid is not prohibited,
	- * attempt to create an implicit session (ignoring any errors). */
	- if (!cs && !parts->prohibit_lsid && parts->assembled.is_acknowledged) {
	- cs = mongoc_client_start_session (parts->client, NULL, NULL);
	-
	- if (cs) {
	- parts->assembled.session = cs;
	- parts->has_temp_session = true;
	- }
	- }
	-
	- /* Driver Sessions Spec: "For unacknowledged writes with an explicit
	- * session, drivers SHOULD raise an error.... Without an explicit
	- * session, drivers SHOULD NOT use an implicit session." We intentionally
	- * do not restrict this logic to parts->is_write_command, since
	- * mongoc_client_command_with_opts() does not identify as a write
	- * command but may still include a write concern.
	- */
	- if (cs) {
	- if (!parts->assembled.is_acknowledged) {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot use client session with unacknowledged command");
	- GOTO (done);
	- }
	-
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_document (&parts->assembled_body,
	- "lsid",
	- 4,
	- mongoc_client_session_get_lsid (cs));
	-
	- cs->server_session->last_used_usec = bson_get_monotonic_time ();
	- cluster_time = mongoc_client_session_get_cluster_time (cs);
	- }
	-
	- /* Ensure we know if the write command allows a transaction number */
	- if (!_mongoc_client_session_txn_in_progress (cs) &&
	- parts->is_write_command &&
	- parts->allow_txn_number ==
	- MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_UNKNOWN) {
	- parts->allow_txn_number = _allow_txn_number (parts, server_stream)
	- ? MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_YES
	- : MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_NO;
	- }
	-
	- /* Determine if the command is retryable. If so, append txnNumber now
	- * for future use and mark the command as such. */
	- if (_is_retryable_write (parts, server_stream)) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_int64 (&parts->assembled_body, "txnNumber", 9, 0);
	- parts->is_retryable_write = true;
	- }
	-
	- /* Conversely, check if the command is retryable if it is a read. */
	- if (_is_retryable_read (parts, server_stream) && !is_get_more) {
	- parts->is_retryable_read = true;
	- }
	-
	- if (!bson_empty (&server_stream->cluster_time)) {
	- cluster_time =
	- _largest_cluster_time (&server_stream->cluster_time, cluster_time);
	- }
	-
	- if (cluster_time && server_type != MONGOC_SERVER_STANDALONE) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_document (
	- &parts->assembled_body, "$clusterTime", 12, cluster_time);
	- }
	-
	- /* Add versioned server api, if it is set. */
	- if (parts->client->api) {
	- _mongoc_cmd_append_server_api (&parts->assembled_body,
	- parts->client->api);
	- }
	-
	- if (!is_get_more) {
	- if (cs) {
	- /* Snapshot Sessions Spec: "Snapshot reads require MongoDB 5.0+."
	- * Throw an error if snapshot is enabled and wire version is less
	- * than 13 before potentially appending "snapshot" read concern. */
	- if (mongoc_session_opts_get_snapshot (&cs->opts) &&
	- server_stream->sd->max_wire_version <
	- WIRE_VERSION_SNAPSHOT_READS) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_SESSION_FAILURE,
	- "Snapshot reads require MongoDB 5.0 or later");
	- GOTO (done);
	- }
	-
	- _mongoc_cmd_parts_ensure_copied (parts);
	- _mongoc_client_session_append_read_concern (
	- cs,
	- &parts->read_concern_document,
	- parts->is_read_command,
	- &parts->assembled_body);
	- } else if (!bson_empty (&parts->read_concern_document)) {
	- _mongoc_cmd_parts_ensure_copied (parts);
	- bson_append_document (&parts->assembled_body,
	- "readConcern",
	- 11,
	- &parts->read_concern_document);
	- }
	- }
	-
	- /* if transaction is in progress do not inherit write concern */
	- if (parts->assembled.is_txn_finish \|\|
	- !_mongoc_client_session_in_txn (cs)) {
	- _mongoc_cmd_parts_add_write_concern (parts);
	- }
	-
	- _mongoc_cmd_parts_ensure_copied (parts);
	- if (!_mongoc_client_session_append_txn (
	- cs, &parts->assembled_body, error)) {
	- GOTO (done);
	- }
	-
	- ret = true;
	- } else if (server_type == MONGOC_SERVER_MONGOS \|\|
	- server_stream->topology_type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- /* TODO (CDRIVER-4117) remove the check of the topology description type. */
	- _mongoc_cmd_parts_assemble_mongos (parts, server_stream);
	- ret = true;
	- } else {
	- _mongoc_cmd_parts_assemble_mongod (parts, server_stream);
	- ret = true;
	- }
	-
	-done:
	- mongoc_read_prefs_destroy (prefs);
	- RETURN (ret);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cmd_parts_cleanup --
	- *
	- * Free memory associated with a stack-allocated mongoc_cmd_parts_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_cmd_parts_cleanup (mongoc_cmd_parts_t *parts)
	-{
	- bson_destroy (&parts->read_concern_document);
	- bson_destroy (&parts->write_concern_document);
	- bson_destroy (&parts->extra);
	- bson_destroy (&parts->assembled_body);
	-
	- if (parts->has_temp_session) {
	- /* client session returns its server session to server session pool */
	- mongoc_client_session_destroy (parts->assembled.session);
	- }
	-}
	-
	-bool
	-mongoc_cmd_is_compressible (mongoc_cmd_t *cmd)
	-{
	- BSON_ASSERT (cmd);
	- BSON_ASSERT (cmd->command_name);
	-
	- return !!strcasecmp (cmd->command_name, "hello") &&
	- !!strcasecmp (cmd->command_name, HANDSHAKE_CMD_LEGACY_HELLO) &&
	- !!strcasecmp (cmd->command_name, "authenticate") &&
	- !!strcasecmp (cmd->command_name, "getnonce") &&
	- !!strcasecmp (cmd->command_name, "saslstart") &&
	- !!strcasecmp (cmd->command_name, "saslcontinue") &&
	- !!strcasecmp (cmd->command_name, "createuser") &&
	- !!strcasecmp (cmd->command_name, "updateuser");
	-}
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _mongoc_cmd_append_payload_as_array --
	- * Append a write command payload as an array in a BSON document.
	- * Used by APM and Client-Side Encryption
	- *
	- * Arguments:
	- * cmd The mongoc_cmd_t, which may contain a payload to be appended.
	- * out A bson_t, which will be appended to if @cmd->payload is set.
	- *
	- * Pre-conditions:
	- * - @out is initialized.
	- * - cmd has a payload (i.e. is a write command).
	- *
	- * Post-conditions:
	- * - If @cmd->payload is set, then @out is appended to with the payload
	- * field's name ("documents" if insert, "updates" if update,
	- * "deletes" if delete) an the payload as a BSON array.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_mongoc_cmd_append_payload_as_array (const mongoc_cmd_t cmd, bson_t out)
	-{
	- int32_t doc_len;
	- bson_t doc;
	- const uint8_t *pos;
	- const char *field_name;
	- bson_t bson;
	- char str[16];
	- const char *key;
	- uint32_t i;
	-
	- BSON_ASSERT (cmd->payload && cmd->payload_size);
	-
	- /* make array from outgoing OP_MSG payload type 1 on an "insert",
	- * "update", or "delete" command. */
	- field_name = _mongoc_get_documents_field_name (cmd->command_name);
	- BSON_ASSERT (field_name);
	- BSON_ASSERT (BSON_APPEND_ARRAY_BEGIN (out, field_name, &bson));
	-
	- pos = cmd->payload;
	- i = 0;
	- while (pos < cmd->payload + cmd->payload_size) {
	- memcpy (&doc_len, pos, sizeof (doc_len));
	- doc_len = BSON_UINT32_FROM_LE (doc_len);
	- BSON_ASSERT (bson_init_static (&doc, pos, (size_t) doc_len));
	- bson_uint32_to_string (i, &key, str, sizeof (str));
	- BSON_APPEND_DOCUMENT (&bson, key, &doc);
	-
	- pos += doc_len;
	- i++;
	- }
	-
	- bson_append_array_end (out, &bson);
	-}
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _mongoc_cmd_append_server_api --
	- * Append versioned API fields to a mongoc_cmd_t
	- *
	- * Arguments:
	- * cmd The mongoc_cmd_t, which will have versioned API fields added
	- * api A mongoc_server_api_t holding server API information
	- *
	- * Pre-conditions:
	- * - @api is initialized.
	- * - @command_body is initialised
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_mongoc_cmd_append_server_api (bson_t *command_body,
	- const mongoc_server_api_t *api)
	-{
	- const char *string_version;
	-
	- BSON_ASSERT (command_body);
	- BSON_ASSERT (api);
	-
	- string_version = mongoc_server_api_version_to_string (api->version);
	-
	- bson_append_utf8 (command_body, "apiVersion", -1, string_version, -1);
	-
	- if (api->strict.is_set) {
	- bson_append_bool (command_body, "apiStrict", -1, api->strict.value);
	- }
	-
	- if (api->deprecation_errors.is_set) {
	- bson_append_bool (command_body,
	- "apiDeprecationErrors",
	- -1,
	- api->deprecation_errors.value);
	- }
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.c
	deleted file mode 100644
	index 0c04a542..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.c
	+++ /dev/null
	@@ -1,3587 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include <stdio.h>
	-
	-#include "mongoc-aggregate-private.h"
	-#include "mongoc-bulk-operation.h"
	-#include "mongoc-bulk-operation-private.h"
	-#include "mongoc-change-stream-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-find-and-modify-private.h"
	-#include "mongoc-find-and-modify.h"
	-#include "mongoc-collection.h"
	-#include "mongoc-collection-private.h"
	-#include "mongoc-cursor-private.h"
	-#include "mongoc-error.h"
	-#include "mongoc-index.h"
	-#include "mongoc-log.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-read-concern-private.h"
	-#include "mongoc-write-concern-private.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-write-command-private.h"
	-#include "mongoc-opts-private.h"
	-#include "mongoc-write-command-private.h"
	-#include "mongoc-error-private.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "collection"
	-
	-static void
	-_mongoc_collection_write_command_execute (
	- mongoc_write_command_t *command,
	- const mongoc_collection_t *collection,
	- const mongoc_write_concern_t *write_concern,
	- mongoc_client_session_t *cs,
	- mongoc_write_result_t *result)
	-{
	- mongoc_server_stream_t *server_stream;
	-
	- ENTRY;
	-
	- server_stream = mongoc_cluster_stream_for_writes (
	- &collection->client->cluster, cs, NULL, &result->error);
	-
	- if (!server_stream) {
	- /* result->error has been filled out */
	- EXIT;
	- }
	-
	- _mongoc_write_command_execute (command,
	- collection->client,
	- server_stream,
	- collection->db,
	- collection->collection,
	- write_concern,
	- 0 /* offset */,
	- cs,
	- result);
	-
	- mongoc_server_stream_cleanup (server_stream);
	-
	- EXIT;
	-}
	-
	-
	-static void
	-_mongoc_collection_write_command_execute_idl (
	- mongoc_write_command_t *command,
	- const mongoc_collection_t *collection,
	- mongoc_crud_opts_t *crud,
	- mongoc_write_result_t *result)
	-{
	- mongoc_server_stream_t *server_stream;
	- bson_t reply;
	-
	- ENTRY;
	-
	- server_stream =
	- mongoc_cluster_stream_for_writes (&collection->client->cluster,
	- crud->client_session,
	- &reply,
	- &result->error);
	-
	- if (!server_stream) {
	- /* result->error and reply have been filled out */
	- _mongoc_bson_array_copy_labels_to (&reply, &result->errorLabels);
	- bson_destroy (&reply);
	- EXIT;
	- }
	-
	- if (_mongoc_client_session_in_txn (crud->client_session) &&
	- crud->writeConcern) {
	- bson_set_error (&result->error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot set write concern after starting transaction");
	- mongoc_server_stream_cleanup (server_stream);
	- EXIT;
	- }
	-
	- if (!crud->writeConcern &&
	- !_mongoc_client_session_in_txn (crud->client_session)) {
	- crud->writeConcern = collection->write_concern;
	- crud->write_concern_owned = false;
	- }
	-
	- _mongoc_write_command_execute_idl (command,
	- collection->client,
	- server_stream,
	- collection->db,
	- collection->collection,
	- 0 /* offset */,
	- crud,
	- result);
	-
	- mongoc_server_stream_cleanup (server_stream);
	-
	- EXIT;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_collection_new --
	- *
	- * INTERNAL API
	- *
	- * Create a new mongoc_collection_t structure for the given client.
	- *
	- * @client must remain valid during the lifetime of this structure.
	- * @db is the db name of the collection.
	- * @collection is the name of the collection.
	- * @read_prefs is the default read preferences to apply or NULL.
	- * @read_concern is the default read concern to apply or NULL.
	- * @write_concern is the default write concern to apply or NULL.
	- *
	- * Returns:
	- * A newly allocated mongoc_collection_t that should be freed with
	- * mongoc_collection_destroy().
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_collection_t *
	-_mongoc_collection_new (mongoc_client_t *client,
	- const char *db,
	- const char *collection,
	- const mongoc_read_prefs_t *read_prefs,
	- const mongoc_read_concern_t *read_concern,
	- const mongoc_write_concern_t *write_concern)
	-{
	- mongoc_collection_t *col;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (client);
	- BSON_ASSERT_PARAM (db);
	- BSON_ASSERT_PARAM (collection);
	-
	- col = (mongoc_collection_t ) bson_malloc0 (sizeof col);
	- col->client = client;
	- col->write_concern = write_concern
	- ? mongoc_write_concern_copy (write_concern)
	- : mongoc_write_concern_new ();
	- col->read_concern = read_concern ? mongoc_read_concern_copy (read_concern)
	- : mongoc_read_concern_new ();
	- col->read_prefs = read_prefs ? mongoc_read_prefs_copy (read_prefs)
	- : mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	-
	- col->ns = bson_strdup_printf ("%s.%s", db, collection);
	- col->db = bson_strdup (db);
	- col->collection = bson_strdup (collection);
	-
	- col->collectionlen = (uint32_t) strlen (col->collection);
	- col->nslen = (uint32_t) strlen (col->ns);
	-
	- col->gle = NULL;
	-
	- RETURN (col);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_destroy --
	- *
	- * Release resources associated with @collection and frees the
	- * structure.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_collection_destroy (mongoc_collection_t collection) / IN */
	-{
	- ENTRY;
	-
	- if (!collection) {
	- EXIT;
	- }
	-
	- bson_clear (&collection->gle);
	-
	- if (collection->read_prefs) {
	- mongoc_read_prefs_destroy (collection->read_prefs);
	- collection->read_prefs = NULL;
	- }
	-
	- if (collection->read_concern) {
	- mongoc_read_concern_destroy (collection->read_concern);
	- collection->read_concern = NULL;
	- }
	-
	- if (collection->write_concern) {
	- mongoc_write_concern_destroy (collection->write_concern);
	- collection->write_concern = NULL;
	- }
	-
	- bson_free (collection->collection);
	- bson_free (collection->db);
	- bson_free (collection->ns);
	- bson_free (collection);
	-
	- EXIT;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_copy --
	- *
	- * Returns a copy of @collection that needs to be freed by calling
	- * mongoc_collection_destroy.
	- *
	- * Returns:
	- * A copy of this collection.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_collection_t *
	-mongoc_collection_copy (mongoc_collection_t collection) / IN */
	-{
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- RETURN (_mongoc_collection_new (collection->client,
	- collection->db,
	- collection->collection,
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern));
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_collection_aggregate (mongoc_collection_t collection, / IN */
	- mongoc_query_flags_t flags, /* IN */
	- const bson_t pipeline, / IN */
	- const bson_t opts, / IN */
	- const mongoc_read_prefs_t read_prefs) / IN */
	-{
	- return _mongoc_aggregate (collection->client,
	- collection->ns,
	- flags,
	- pipeline,
	- opts,
	- read_prefs,
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_find --
	- *
	- * DEPRECATED: use mongoc_collection_find_with_opts.
	- *
	- * Performs a query against the configured MongoDB server. If @read_prefs
	- * is provided, it will be used to locate a MongoDB node in the cluster
	- * to deliver the query to.
	- *
	- * @flags may be bitwise-or'd flags or MONGOC_QUERY_NONE.
	- *
	- * @skip may contain the number of documents to skip before returning the
	- * matching document.
	- *
	- * @limit may contain the maximum number of documents that may be
	- * returned.
	- *
	- * This function will always return a cursor, with the exception of
	- * invalid API use.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @flags: A bitwise or of mongoc_query_flags_t.
	- * @skip: The number of documents to skip.
	- * @limit: The maximum number of items.
	- * @batch_size: The batch size
	- * @query: The query to locate matching documents.
	- * @fields: The fields to return, or NULL for all fields.
	- * @read_prefs: Read preferences to choose cluster node.
	- *
	- * Returns:
	- * A newly allocated mongoc_cursor_t that should be freed with
	- * mongoc_cursor_destroy().
	- *
	- * The client used by mongoc_collection_t must be valid for the
	- * lifetime of the resulting mongoc_cursor_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_cursor_t *
	-mongoc_collection_find (mongoc_collection_t collection, / IN */
	- mongoc_query_flags_t flags, /* IN */
	- uint32_t skip, /* IN */
	- uint32_t limit, /* IN */
	- uint32_t batch_size, /* IN */
	- const bson_t query, / IN */
	- const bson_t fields, / IN */
	- const mongoc_read_prefs_t read_prefs) / IN */
	-{
	- bool has_unwrapped;
	- bson_t unwrapped;
	- bson_error_t error = {0};
	- bson_t opts;
	- bool secondary_ok;
	- mongoc_cursor_t *cursor;
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (query);
	-
	- bson_clear (&collection->gle);
	-
	- bson_init (&opts);
	- _mongoc_cursor_flags_to_opts (flags, &opts, &secondary_ok);
	- /* check if the query is wrapped in $query */
	- has_unwrapped = _mongoc_cursor_translate_dollar_query_opts (
	- query, &opts, &unwrapped, &error);
	- if (!bson_empty0 (fields)) {
	- bson_append_document (
	- &opts, MONGOC_CURSOR_PROJECTION, MONGOC_CURSOR_PROJECTION_LEN, fields);
	- }
	- cursor = _mongoc_cursor_find_new (collection->client,
	- collection->ns,
	- has_unwrapped ? &unwrapped : query,
	- &opts,
	- read_prefs,
	- collection->read_prefs,
	- collection->read_concern);
	- if (skip) {
	- _mongoc_cursor_set_opt_int64 (cursor, MONGOC_CURSOR_SKIP, skip);
	- }
	- if (limit) {
	- /* limit must be cast to int32_t. Although the argument is a uint32_t,
	- * callers can specify a negative limit by casting to a signed int32_t
	- * value to uint32_t. E.g. to set a limit of -4, the caller passes
	- * UINT32_MAX - 3 */
	- (void) mongoc_cursor_set_limit (cursor, (int32_t) limit);
	- }
	- if (batch_size) {
	- mongoc_cursor_set_batch_size (cursor, batch_size);
	- }
	- bson_destroy (&unwrapped);
	- bson_destroy (&opts);
	-
	- if (error.domain) {
	- memcpy (&cursor->error, &error, sizeof (error));
	- }
	-
	- return cursor;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_find_with_opts --
	- *
	- * Create a cursor with a query filter. All other options are
	- * specified in a free-form BSON document.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @filter: The query to locate matching documents.
	- * @opts: Other options.
	- * @read_prefs: Optional read preferences to choose cluster node.
	- *
	- * Returns:
	- * A newly allocated mongoc_cursor_t that should be freed with
	- * mongoc_cursor_destroy().
	- *
	- * The client used by mongoc_collection_t must be valid for the
	- * lifetime of the resulting mongoc_cursor_t.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_cursor_t *
	-mongoc_collection_find_with_opts (mongoc_collection_t *collection,
	- const bson_t *filter,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (filter);
	-
	- bson_clear (&collection->gle);
	-
	- return _mongoc_cursor_find_new (collection->client,
	- collection->ns,
	- filter,
	- opts,
	- read_prefs,
	- collection->read_prefs,
	- collection->read_concern);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_command --
	- *
	- * Executes a command on a cluster node matching @read_prefs. If
	- * @read_prefs is not provided, it will be run on the primary node.
	- *
	- * This function will always return a mongoc_cursor_t.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @flags: Bitwise-or'd flags for command.
	- * @skip: Number of documents to skip, typically 0.
	- * @limit : Number of documents to return
	- * @batch_size : Batch size
	- * @query: The command to execute.
	- * @fields: The fields to return, or NULL.
	- * @read_prefs: Command read preferences or NULL.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_cursor_t *
	-mongoc_collection_command (mongoc_collection_t *collection,
	- mongoc_query_flags_t flags,
	- uint32_t skip,
	- uint32_t limit,
	- uint32_t batch_size,
	- const bson_t *query,
	- const bson_t *fields,
	- const mongoc_read_prefs_t *read_prefs)
	-{
	- char *ns;
	- mongoc_cursor_t *cursor;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (query);
	-
	- if (!read_prefs) {
	- read_prefs = collection->read_prefs;
	- }
	-
	- bson_clear (&collection->gle);
	-
	- if (NULL == strstr (collection->collection, "$cmd")) {
	- ns = bson_strdup_printf ("%s.$cmd", collection->db);
	- } else {
	- ns = bson_strdup (collection->db);
	- }
	-
	- /* Server Selection Spec: "The generic command method has a default read
	- * preference of mode 'primary'. The generic command method MUST ignore any
	- * default read preference from client, database or collection
	- * configuration. The generic command method SHOULD allow an optional read
	- * preference argument."
	- */
	-
	- /* flags, skip, limit, batch_size, fields are unused */
	- cursor = _mongoc_cursor_cmd_deprecated_new (
	- collection->client, ns, query, read_prefs);
	- bson_free (ns);
	- return cursor;
	-}
	-
	-
	-bool
	-mongoc_collection_read_command_with_opts (mongoc_collection_t *collection,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- command,
	- MONGOC_CMD_READ,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_collection_write_command_with_opts (mongoc_collection_t *collection,
	- const bson_t *command,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- command,
	- MONGOC_CMD_WRITE,
	- opts,
	- MONGOC_QUERY_NONE,
	- NULL,
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_collection_read_write_command_with_opts (
	- mongoc_collection_t *collection,
	- const bson_t *command,
	- const mongoc_read_prefs_t read_prefs / IGNORED */,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- command,
	- MONGOC_CMD_RW,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_collection_command_with_opts (mongoc_collection_t *collection,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- /* Server Selection Spec: "The generic command method has a default read
	- * preference of mode 'primary'. The generic command method MUST ignore any
	- * default read preference from client, database or collection
	- * configuration. The generic command method SHOULD allow an optional read
	- * preference argument." */
	-
	- return _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- command,
	- MONGOC_CMD_RAW,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- NULL /* default prefs */,
	- collection->read_concern,
	- collection->write_concern,
	- reply,
	- error);
	-}
	-
	-
	-bool
	-mongoc_collection_command_simple (mongoc_collection_t *collection,
	- const bson_t *command,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (command);
	-
	- bson_clear (&collection->gle);
	-
	- /* Server Selection Spec: "The generic command method has a default read
	- * preference of mode 'primary'. The generic command method MUST ignore any
	- * default read preference from client, database or collection
	- * configuration. The generic command method SHOULD allow an optional read
	- * preference argument."
	- */
	-
	- return _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- command,
	- MONGOC_CMD_RAW,
	- NULL /* opts */,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- NULL /* default prefs */,
	- NULL /* read concern */,
	- NULL /* write concern */,
	- reply,
	- error);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_count --
	- *
	- * Count the number of documents matching @query.
	- *
	- * Parameters:
	- * @flags: A mongoc_query_flags_t describing the query flags or 0.
	- * @query: The query to perform or NULL for {}.
	- * @skip: The $skip to perform within the query or 0.
	- * @limit: The $limit to perform within the query or 0.
	- * @read_prefs: desired read preferences or NULL.
	- * @error: A location for an error or NULL.
	- *
	- * Returns:
	- * -1 on failure; otherwise the number of matching documents.
	- *
	- * Side effects:
	- * @error is set upon failure if non-NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int64_t
	-mongoc_collection_count (mongoc_collection_t collection, / IN */
	- mongoc_query_flags_t flags, /* IN */
	- const bson_t query, / IN */
	- int64_t skip, /* IN */
	- int64_t limit, /* IN */
	- const mongoc_read_prefs_t read_prefs, / IN */
	- bson_error_t error) / OUT */
	-{
	- int64_t ret;
	- bson_t opts = BSON_INITIALIZER;
	-
	- /* Complex types must be parts of `opts`, otherwise we can't
	- * follow various specs that require validation etc */
	- if (collection->read_concern->level != NULL) {
	- const bson_t *read_concern_bson;
	-
	- read_concern_bson =
	- _mongoc_read_concern_get_bson (collection->read_concern);
	- BSON_APPEND_DOCUMENT (&opts, "readConcern", read_concern_bson);
	- }
	-
	- /* Server Selection Spec: "may-use-secondary" commands SHOULD take a read
	- * preference argument and otherwise MUST use the default read preference
	- * from client, database or collection configuration. */
	- BEGIN_IGNORE_DEPRECATIONS
	- ret = mongoc_collection_count_with_opts (
	- collection, flags, query, skip, limit, &opts, read_prefs, error);
	- END_IGNORE_DEPRECATIONS
	-
	- bson_destroy (&opts);
	- return ret;
	-}
	-
	-
	-int64_t
	-mongoc_collection_count_with_opts (
	- mongoc_collection_t collection, / IN */
	- mongoc_query_flags_t flags, /* IN */
	- const bson_t query, / IN */
	- int64_t skip, /* IN */
	- int64_t limit, /* IN */
	- const bson_t opts, / IN */
	- const mongoc_read_prefs_t read_prefs, / IN */
	- bson_error_t error) / OUT */
	-{
	- bson_iter_t iter;
	- int64_t ret = -1;
	- bool success;
	- bson_t reply;
	- bson_t cmd = BSON_INITIALIZER;
	- bson_t q;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- bson_append_utf8 (
	- &cmd, "count", 5, collection->collection, collection->collectionlen);
	- if (query) {
	- bson_append_document (&cmd, "query", 5, query);
	- } else {
	- bson_init (&q);
	- bson_append_document (&cmd, "query", 5, &q);
	- bson_destroy (&q);
	- }
	- if (limit) {
	- bson_append_int64 (&cmd, "limit", 5, limit);
	- }
	- if (skip) {
	- bson_append_int64 (&cmd, "skip", 4, skip);
	- }
	-
	- success = _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- &cmd,
	- MONGOC_CMD_READ,
	- opts,
	- flags,
	- read_prefs,
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- &reply,
	- error);
	-
	- if (success) {
	- if (bson_iter_init_find (&iter, &reply, "n")) {
	- ret = bson_iter_as_int64 (&iter);
	- }
	- }
	-
	- bson_destroy (&reply);
	- bson_destroy (&cmd);
	-
	- RETURN (ret);
	-}
	-
	-/* --------------------------------------------------------------------------
	- *
	- * _make_aggregate_for_edc --
	- *
	- * Construct an aggregate pipeline with the following form:
	- *
	- *
	- * { pipeline: [
	- * { $collStats: { count: {} } },
	- * { $group: { _id: 1, n: { $sum: $count } } },
	- * ]
	- * }
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_make_aggregate_for_edc (const mongoc_collection_t coll, bson_t out)
	-{
	- bson_t pipeline;
	- bson_t coll_stats_stage;
	- bson_t coll_stats_stage_doc;
	- bson_t group_stage;
	- bson_t group_stage_doc;
	- bson_t sum;
	- bson_t cursor_empty;
	- bson_t empty;
	-
	- BSON_APPEND_UTF8 (out, "aggregate", coll->collection);
	- BSON_APPEND_DOCUMENT_BEGIN (out, "cursor", &cursor_empty);
	- bson_append_document_end (out, &cursor_empty);
	- BSON_APPEND_ARRAY_BEGIN (out, "pipeline", &pipeline);
	-
	- BSON_APPEND_DOCUMENT_BEGIN (&pipeline, "0", &coll_stats_stage);
	- BSON_APPEND_DOCUMENT_BEGIN (
	- &coll_stats_stage, "$collStats", &coll_stats_stage_doc);
	- BSON_APPEND_DOCUMENT_BEGIN (&coll_stats_stage_doc, "count", &empty);
	- bson_append_document_end (&coll_stats_stage_doc, &empty);
	- bson_append_document_end (&coll_stats_stage, &coll_stats_stage_doc);
	- bson_append_document_end (&pipeline, &coll_stats_stage);
	-
	- BSON_APPEND_DOCUMENT_BEGIN (&pipeline, "1", &group_stage);
	- BSON_APPEND_DOCUMENT_BEGIN (&group_stage, "$group", &group_stage_doc);
	- BSON_APPEND_INT32 (&group_stage_doc, "_id", 1);
	- BSON_APPEND_DOCUMENT_BEGIN (&group_stage_doc, "n", &sum);
	- BSON_APPEND_UTF8 (&sum, "$sum", "$count");
	- bson_append_document_end (&group_stage_doc, &sum);
	- bson_append_document_end (&group_stage, &group_stage_doc);
	- bson_append_document_end (&pipeline, &group_stage);
	- bson_append_array_end (out, &pipeline);
	-}
	-
	-int64_t
	-mongoc_collection_estimated_document_count (
	- mongoc_collection_t *coll,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- int64_t count = -1;
	- bool ret;
	- bson_t reply_local;
	- bson_t *reply_ptr;
	- bson_t cmd = BSON_INITIALIZER;
	- mongoc_server_stream_t *server_stream = NULL;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (coll);
	-
	- server_stream = mongoc_cluster_stream_for_reads (
	- &coll->client->cluster, read_prefs, NULL, reply, error);
	-
	- if (opts && bson_has_field (opts, "sessionId")) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Collection count must not specify explicit session");
	- GOTO (done);
	- }
	-
	- reply_ptr = reply ? reply : &reply_local;
	- if (server_stream->sd->max_wire_version < WIRE_VERSION_4_9) {
	- /* On < 4.9, use actual count command for estimatedDocumentCount */
	- BSON_APPEND_UTF8 (&cmd, "count", coll->collection);
	- ret = _mongoc_client_command_with_opts (coll->client,
	- coll->db,
	- &cmd,
	- MONGOC_CMD_READ,
	- opts,
	- MONGOC_QUERY_NONE,
	- read_prefs,
	- coll->read_prefs,
	- coll->read_concern,
	- coll->write_concern,
	- reply_ptr,
	- error);
	- if (ret) {
	- if (bson_iter_init_find (&iter, reply_ptr, "n")) {
	- count = bson_iter_as_int64 (&iter);
	- }
	- }
	- } else {
	- /* On >= 4.9, use aggregate with collStats for estimatedDocumentCount */
	- _make_aggregate_for_edc (coll, &cmd);
	- ret = mongoc_collection_read_command_with_opts (
	- coll, &cmd, read_prefs, opts, reply_ptr, error);
	-
	- if (!ret && error->code == MONGOC_ERROR_COLLECTION_DOES_NOT_EXIST) {
	- /* Collection does not exist. From spec: return 0 but no err:
	- * https://github.com/mongodb/specifications/blob/master/source/crud/crud.rst#estimateddocumentcount
	- */
	- if (reply) {
	- bson_reinit (reply);
	- }
	- memset (error, 0, sizeof *error);
	- count = 0;
	- GOTO (done);
	- }
	- if (ret && bson_iter_init (&iter, reply_ptr)) {
	- if (bson_iter_find_descendant (
	- &iter, "cursor.firstBatch.0.n", &iter)) {
	- count = bson_iter_as_int64 (&iter);
	- }
	- }
	- }
	-
	-done:
	- if (!reply) {
	- bson_destroy (&reply_local);
	- }
	- bson_destroy (&cmd);
	- mongoc_server_stream_cleanup (server_stream);
	-
	- RETURN (count);
	-}
	-
	-
	-/* --------------------------------------------------------------------------
	- *
	- * _make_aggregate_for_count --
	- *
	- * Construct an aggregate pipeline with the following form:
	- * { pipeline: [
	- * { $match: {...} },
	- * { $group: { _id: 1, n: { sum: 1 } } },
	- * { $skip: ... },
	- * { $limit: ... }
	- * ]
	- * }
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_make_aggregate_for_count (const mongoc_collection_t *coll,
	- const bson_t *filter,
	- const bson_t *opts,
	- bson_t *out)
	-{
	- bson_iter_t iter;
	- bson_t pipeline;
	- bson_t match_stage;
	- bson_t group_stage;
	- bson_t group_stage_doc;
	- bson_t sum;
	- bson_t empty;
	- const char *keys[] = {"0", "1", "2", "3"};
	- int key = 0;
	-
	- bson_init (out);
	- bson_append_utf8 (
	- out, "aggregate", 9, coll->collection, coll->collectionlen);
	- bson_append_document_begin (out, "cursor", 6, &empty);
	- bson_append_document_end (out, &empty);
	- bson_append_array_begin (out, "pipeline", 8, &pipeline);
	-
	- bson_append_document_begin (&pipeline, keys[key++], 1, &match_stage);
	- bson_append_document (&match_stage, "$match", 6, filter);
	- bson_append_document_end (&pipeline, &match_stage);
	- /* if @opts includes "skip", or "count", append $skip and $count stages to
	- * the aggregate pipeline. */
	- if (opts && bson_iter_init_find (&iter, opts, "skip")) {
	- bson_t skip_stage;
	- bson_append_document_begin (&pipeline, keys[key++], 1, &skip_stage);
	- bson_append_value (&skip_stage, "$skip", 5, bson_iter_value (&iter));
	- bson_append_document_end (&pipeline, &skip_stage);
	- }
	- if (opts && bson_iter_init_find (&iter, opts, "limit")) {
	- bson_t limit_stage;
	- bson_append_document_begin (&pipeline, keys[key++], 1, &limit_stage);
	- bson_append_value (&limit_stage, "$limit", 6, bson_iter_value (&iter));
	- bson_append_document_end (&pipeline, &limit_stage);
	- }
	- bson_append_document_begin (&pipeline, keys[key], 1, &group_stage);
	- bson_append_document_begin (&group_stage, "$group", 6, &group_stage_doc);
	- bson_append_int32 (&group_stage_doc, "_id", 3, 1);
	- bson_append_document_begin (&group_stage_doc, "n", 1, &sum);
	- bson_append_int32 (&sum, "$sum", 4, 1);
	- bson_append_document_end (&group_stage_doc, &sum);
	- bson_append_document_end (&group_stage, &group_stage_doc);
	- bson_append_document_end (&pipeline, &group_stage);
	- bson_append_array_end (out, &pipeline);
	-}
	-
	-
	-int64_t
	-mongoc_collection_count_documents (mongoc_collection_t *coll,
	- const bson_t *filter,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- bson_t aggregate_cmd;
	- bson_t aggregate_opts;
	- bool ret;
	- const bson_t *result;
	- mongoc_cursor_t *cursor = NULL;
	- int64_t count = -1;
	- bson_t cmd_reply;
	- bson_iter_t iter;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (coll);
	- BSON_ASSERT_PARAM (filter);
	-
	- _make_aggregate_for_count (coll, filter, opts, &aggregate_cmd);
	- bson_init (&aggregate_opts);
	- if (opts) {
	- bson_copy_to_excluding_noinit (
	- opts, &aggregate_opts, "skip", "limit", NULL);
	- }
	-
	- ret = mongoc_collection_read_command_with_opts (
	- coll, &aggregate_cmd, read_prefs, &aggregate_opts, &cmd_reply, error);
	- bson_destroy (&aggregate_cmd);
	- bson_destroy (&aggregate_opts);
	- if (reply) {
	- bson_copy_to (&cmd_reply, reply);
	- }
	-
	- if (!ret) {
	- bson_destroy (&cmd_reply);
	- GOTO (done);
	- }
	-
	- /* steals reply */
	- cursor = mongoc_cursor_new_from_command_reply_with_opts (
	- coll->client, &cmd_reply, NULL);
	- BSON_ASSERT (mongoc_cursor_get_id (cursor) == 0);
	- ret = mongoc_cursor_next (cursor, &result);
	- if (!ret) {
	- if (mongoc_cursor_error (cursor, error)) {
	- GOTO (done);
	- } else {
	- count = 0;
	- GOTO (done);
	- }
	- }
	-
	- if (bson_iter_init_find (&iter, result, "n") &&
	- BSON_ITER_HOLDS_INT (&iter)) {
	- count = bson_iter_as_int64 (&iter);
	- }
	-
	-done:
	- if (cursor) {
	- mongoc_cursor_destroy (cursor);
	- }
	- RETURN (count);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_drop --
	- *
	- * Request the MongoDB server drop the collection.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @error is set upon failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_drop (mongoc_collection_t collection, / IN */
	- bson_error_t error) / OUT */
	-{
	- return mongoc_collection_drop_with_opts (collection, NULL, error);
	-}
	-
	-
	-bool
	-mongoc_collection_drop_with_opts (mongoc_collection_t *collection,
	- const bson_t *opts,
	- bson_error_t *error)
	-{
	- bool ret;
	- bson_t cmd;
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- bson_init (&cmd);
	- bson_append_utf8 (
	- &cmd, "drop", 4, collection->collection, collection->collectionlen);
	-
	- ret = _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- &cmd,
	- MONGOC_CMD_WRITE,
	- opts,
	- MONGOC_QUERY_NONE,
	- NULL, /* user prefs */
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- NULL, /* reply */
	- error);
	- bson_destroy (&cmd);
	-
	- return ret;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_drop_index --
	- *
	- * Request the MongoDB server drop the named index.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @error is setup upon failure if non-NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_drop_index (mongoc_collection_t collection, / IN */
	- const char index_name, / IN */
	- bson_error_t error) / OUT */
	-{
	- return mongoc_collection_drop_index_with_opts (
	- collection, index_name, NULL, error);
	-}
	-
	-
	-bool
	-mongoc_collection_drop_index_with_opts (mongoc_collection_t *collection,
	- const char *index_name,
	- const bson_t *opts,
	- bson_error_t *error)
	-{
	- bool ret;
	- bson_t cmd;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (index_name);
	-
	- bson_init (&cmd);
	- bson_append_utf8 (&cmd,
	- "dropIndexes",
	- -1,
	- collection->collection,
	- collection->collectionlen);
	- bson_append_utf8 (&cmd, "index", -1, index_name, -1);
	-
	- ret = _mongoc_client_command_with_opts (collection->client,
	- collection->db,
	- &cmd,
	- MONGOC_CMD_WRITE,
	- opts,
	- MONGOC_QUERY_NONE,
	- NULL, /* user prefs */
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- NULL, /* reply */
	- error);
	- bson_destroy (&cmd);
	-
	- return ret;
	-}
	-
	-
	-char *
	-mongoc_collection_keys_to_index_string (const bson_t *keys)
	-{
	- bson_string_t *s;
	- bson_iter_t iter;
	- bson_type_t type;
	- int i = 0;
	-
	- BSON_ASSERT_PARAM (keys);
	-
	- if (!bson_iter_init (&iter, keys)) {
	- return NULL;
	- }
	-
	- s = bson_string_new (NULL);
	-
	- while (bson_iter_next (&iter)) {
	- /* Index type can be specified as a string ("2d") or as an integer
	- * representing direction */
	- type = bson_iter_type (&iter);
	- if (type == BSON_TYPE_UTF8) {
	- bson_string_append_printf (s,
	- (i++ ? "_%s_%s" : "%s_%s"),
	- bson_iter_key (&iter),
	- bson_iter_utf8 (&iter, NULL));
	- } else if (type == BSON_TYPE_INT32) {
	- bson_string_append_printf (s,
	- (i++ ? "_%s_%d" : "%s_%d"),
	- bson_iter_key (&iter),
	- bson_iter_int32 (&iter));
	- } else if (type == BSON_TYPE_INT64) {
	- bson_string_append_printf (s,
	- (i++ ? "_%s_%" PRId64 : "%s_%" PRId64),
	- bson_iter_key (&iter),
	- bson_iter_int64 (&iter));
	- } else {
	- bson_string_free (s, true);
	- return NULL;
	- }
	- }
	- return bson_string_free (s, false);
	-}
	-
	-
	-bool
	-mongoc_collection_create_index (mongoc_collection_t *collection,
	- const bson_t *keys,
	- const mongoc_index_opt_t *opt,
	- bson_error_t *error)
	-{
	- bson_t reply;
	- bool ret;
	-
	- BEGIN_IGNORE_DEPRECATIONS
	-
	- ret = mongoc_collection_create_index_with_opts (
	- collection, keys, opt, NULL, &reply, error);
	-
	- END_IGNORE_DEPRECATIONS
	-
	- bson_destroy (&reply);
	- return ret;
	-}
	-
	-static bool
	-_mongoc_collection_index_keys_equal (const bson_t *expected,
	- const bson_t *actual)
	-{
	- bson_iter_t iter_expected;
	- bson_iter_t iter_actual;
	-
	- bson_iter_init (&iter_expected, expected);
	- bson_iter_init (&iter_actual, actual);
	-
	- while (bson_iter_next (&iter_expected)) {
	- /* If the key document has fewer items than expected, indexes are unequal
	- */
	- if (!bson_iter_next (&iter_actual)) {
	- return false;
	- }
	-
	- /* If key order does not match, indexes are unequal */
	- if (strcmp (bson_iter_key (&iter_expected),
	- bson_iter_key (&iter_actual)) != 0) {
	- return false;
	- }
	-
	- if (BSON_ITER_HOLDS_NUMBER (&iter_expected) &&
	- BSON_ITER_HOLDS_NUMBER (&iter_actual)) {
	- if (bson_iter_as_int64 (&iter_expected) !=
	- bson_iter_as_int64 (&iter_actual)) {
	- return false;
	- }
	- } else if (BSON_ITER_HOLDS_UTF8 (&iter_expected) &&
	- BSON_ITER_HOLDS_UTF8 (&iter_actual)) {
	- if (strcmp (bson_iter_utf8 (&iter_expected, NULL),
	- bson_iter_utf8 (&iter_actual, NULL)) != 0) {
	- return false;
	- }
	- } else {
	- return false;
	- }
	- }
	-
	- /* If our expected document is exhausted, make sure there are no extra keys
	- * in the actual key document */
	- if (bson_iter_next (&iter_actual)) {
	- return false;
	- }
	-
	- return true;
	-}
	-
	-bool
	-_mongoc_collection_create_index_if_not_exists (mongoc_collection_t *collection,
	- const bson_t *keys,
	- const bson_t *opts,
	- bson_error_t *error)
	-{
	- mongoc_cursor_t *cursor;
	- bool index_exists;
	- bool r = false;
	- const bson_t *doc;
	- bson_iter_t iter;
	- bson_t inner_doc;
	- uint32_t data_len;
	- const uint8_t *data;
	- bson_t index;
	- bson_t command;
	-
	- BSON_ASSERT (collection);
	- BSON_ASSERT (keys);
	-
	- cursor = mongoc_collection_find_indexes_with_opts (collection, NULL);
	-
	- index_exists = false;
	-
	- while (mongoc_cursor_next (cursor, &doc) && !index_exists) {
	- r = bson_iter_init_find (&iter, doc, "key");
	- if (!r) {
	- continue;
	- }
	-
	- bson_iter_document (&iter, &data_len, &data);
	- bson_init_static (&inner_doc, data, data_len);
	-
	- if (_mongoc_collection_index_keys_equal (keys, &inner_doc)) {
	- index_exists = true;
	- }
	-
	- bson_destroy (&inner_doc);
	- }
	-
	- if (mongoc_cursor_error (cursor, error)) {
	- mongoc_cursor_destroy (cursor);
	- return false;
	- }
	-
	- mongoc_cursor_destroy (cursor);
	-
	- if (index_exists) {
	- return true;
	- }
	-
	- if (opts) {
	- bson_copy_to (opts, &index);
	- } else {
	- bson_init (&index);
	- }
	-
	- BSON_APPEND_DOCUMENT (&index, "key", keys);
	-
	- if (!bson_has_field (&index, "name")) {
	- char *alloc_name = mongoc_collection_keys_to_index_string (keys);
	-
	- if (!alloc_name) {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Cannot generate index name from invalid `keys` argument");
	- GOTO (done);
	- }
	-
	- BSON_APPEND_UTF8 (&index, "name", alloc_name);
	-
	- bson_free (alloc_name);
	- }
	-
	- bson_init (&command);
	- BCON_APPEND (&command,
	- "createIndexes",
	- BCON_UTF8 (mongoc_collection_get_name (collection)),
	- "indexes",
	- "[",
	- BCON_DOCUMENT (&index),
	- "]");
	-
	- r = mongoc_collection_write_command_with_opts (
	- collection, &command, NULL, NULL, error);
	-
	-done:
	- bson_destroy (&index);
	- bson_destroy (&command);
	-
	- return r;
	-}
	-
	-bool
	-mongoc_collection_create_index_with_opts (mongoc_collection_t *collection,
	- const bson_t *keys,
	- const mongoc_index_opt_t *opt,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_create_index_opts_t parsed;
	- mongoc_cmd_parts_t parts;
	- const mongoc_index_opt_t *def_opt;
	- const mongoc_index_opt_geo_t *def_geo;
	- const char *name;
	- bson_t cmd = BSON_INITIALIZER;
	- bson_t ar;
	- bson_t doc;
	- bson_t storage_doc;
	- bson_t wt_doc;
	- const mongoc_index_opt_geo_t *geo_opt;
	- const mongoc_index_opt_storage_t *storage_opt;
	- const mongoc_index_opt_wt_t *wt_opt;
	- char *alloc_name = NULL;
	- bool ret = false;
	- bool reply_initialized = false;
	- bool has_collation = false;
	- mongoc_server_stream_t *server_stream = NULL;
	- mongoc_cluster_t *cluster;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (keys);
	-
	- def_opt = mongoc_index_opt_get_default ();
	- opt = opt ? opt : def_opt;
	-
	- mongoc_cmd_parts_init (
	- &parts, collection->client, collection->db, MONGOC_QUERY_NONE, &cmd);
	- parts.is_write_command = true;
	-
	- if (!_mongoc_create_index_opts_parse (
	- collection->client, opts, &parsed, error)) {
	- GOTO (done);
	- }
	-
	- if (!parsed.writeConcern) {
	- parsed.writeConcern = collection->write_concern;
	- parsed.write_concern_owned = false;
	- }
	-
	- /*
	- * Generate the key name if it was not provided.
	- */
	- name = (opt->name != def_opt->name) ? opt->name : NULL;
	- if (!name) {
	- alloc_name = mongoc_collection_keys_to_index_string (keys);
	- if (alloc_name) {
	- name = alloc_name;
	- } else {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Cannot generate index name from invalid `keys` argument");
	- GOTO (done);
	- }
	- }
	-
	- /*
	- * Build our createIndexes command to send to the server.
	- */
	- BSON_ASSERT (
	- BSON_APPEND_UTF8 (&cmd, "createIndexes", collection->collection));
	- bson_append_array_begin (&cmd, "indexes", 7, &ar);
	- bson_append_document_begin (&ar, "0", 1, &doc);
	- BSON_ASSERT (BSON_APPEND_DOCUMENT (&doc, "key", keys));
	- BSON_ASSERT (BSON_APPEND_UTF8 (&doc, "name", name));
	- if (opt->background) {
	- BSON_ASSERT (BSON_APPEND_BOOL (&doc, "background", true));
	- }
	- if (opt->unique) {
	- BSON_ASSERT (BSON_APPEND_BOOL (&doc, "unique", true));
	- }
	- if (opt->drop_dups) {
	- BSON_ASSERT (BSON_APPEND_BOOL (&doc, "dropDups", true));
	- }
	- if (opt->sparse) {
	- BSON_ASSERT (BSON_APPEND_BOOL (&doc, "sparse", true));
	- }
	- if (opt->expire_after_seconds != def_opt->expire_after_seconds) {
	- BSON_ASSERT (BSON_APPEND_INT32 (
	- &doc, "expireAfterSeconds", opt->expire_after_seconds));
	- }
	- if (opt->v != def_opt->v) {
	- BSON_ASSERT (BSON_APPEND_INT32 (&doc, "v", opt->v));
	- }
	- if (opt->weights && (opt->weights != def_opt->weights)) {
	- BSON_ASSERT (BSON_APPEND_DOCUMENT (&doc, "weights", opt->weights));
	- }
	- if (opt->default_language != def_opt->default_language) {
	- BSON_ASSERT (
	- BSON_APPEND_UTF8 (&doc, "default_language", opt->default_language));
	- }
	- if (opt->language_override != def_opt->language_override) {
	- BSON_ASSERT (
	- BSON_APPEND_UTF8 (&doc, "language_override", opt->language_override));
	- }
	- if (opt->partial_filter_expression) {
	- BSON_ASSERT (BSON_APPEND_DOCUMENT (
	- &doc, "partialFilterExpression", opt->partial_filter_expression));
	- }
	- if (opt->collation) {
	- BSON_ASSERT (BSON_APPEND_DOCUMENT (&doc, "collation", opt->collation));
	- has_collation = true;
	- }
	- if (opt->geo_options) {
	- geo_opt = opt->geo_options;
	- def_geo = mongoc_index_opt_geo_get_default ();
	- if (geo_opt->twod_sphere_version != def_geo->twod_sphere_version) {
	- BSON_ASSERT (BSON_APPEND_INT32 (
	- &doc, "2dsphereIndexVersion", geo_opt->twod_sphere_version));
	- }
	- if (geo_opt->twod_bits_precision != def_geo->twod_bits_precision) {
	- BSON_ASSERT (
	- BSON_APPEND_INT32 (&doc, "bits", geo_opt->twod_bits_precision));
	- }
	- if (geo_opt->twod_location_min != def_geo->twod_location_min) {
	- BSON_ASSERT (
	- BSON_APPEND_DOUBLE (&doc, "min", geo_opt->twod_location_min));
	- }
	- if (geo_opt->twod_location_max != def_geo->twod_location_max) {
	- BSON_ASSERT (
	- BSON_APPEND_DOUBLE (&doc, "max", geo_opt->twod_location_max));
	- }
	- if (geo_opt->haystack_bucket_size != def_geo->haystack_bucket_size) {
	- BSON_ASSERT (BSON_APPEND_DOUBLE (
	- &doc, "bucketSize", geo_opt->haystack_bucket_size));
	- }
	- }
	-
	- if (opt->storage_options) {
	- storage_opt = opt->storage_options;
	- switch (storage_opt->type) {
	- case MONGOC_INDEX_STORAGE_OPT_WIREDTIGER:
	- wt_opt = (mongoc_index_opt_wt_t *) storage_opt;
	- BSON_APPEND_DOCUMENT_BEGIN (&doc, "storageEngine", &storage_doc);
	- BSON_APPEND_DOCUMENT_BEGIN (&storage_doc, "wiredTiger", &wt_doc);
	- BSON_ASSERT (
	- BSON_APPEND_UTF8 (&wt_doc, "configString", wt_opt->config_str));
	- bson_append_document_end (&storage_doc, &wt_doc);
	- bson_append_document_end (&doc, &storage_doc);
	- break;
	- default:
	- break;
	- }
	- }
	-
	- bson_append_document_end (&ar, &doc);
	- bson_append_array_end (&cmd, &ar);
	-
	- server_stream = mongoc_cluster_stream_for_writes (
	- &collection->client->cluster, parsed.client_session, reply, error);
	-
	- if (!server_stream) {
	- reply_initialized = true;
	- GOTO (done);
	- }
	-
	- if (!mongoc_cmd_parts_set_write_concern (&parts,
	- parsed.writeConcern,
	- server_stream->sd->max_wire_version,
	- error)) {
	- GOTO (done);
	- }
	-
	- if (has_collation &&
	- server_stream->sd->max_wire_version < WIRE_VERSION_COLLATION) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "The selected server does not support collation");
	- GOTO (done);
	- }
	-
	- parts.assembled.session = parsed.client_session;
	- if (!bson_concat (&parts.extra, &parsed.extra)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "'opts' is too large");
	- GOTO (done);
	- }
	-
	- cluster = &collection->client->cluster;
	- if (mongoc_cmd_parts_assemble (&parts, server_stream, error)) {
	- ret = mongoc_cluster_run_command_monitored (
	- cluster, &parts.assembled, reply, error);
	- } else {
	- _mongoc_bson_init_if_set (reply);
	- }
	-
	- reply_initialized = true;
	-
	- if (ret) {
	- if (reply) {
	- ret = !_mongoc_parse_wc_err (reply, error);
	- }
	- }
	-
	-done:
	- bson_destroy (&cmd);
	- bson_free (alloc_name);
	- _mongoc_create_index_opts_cleanup (&parsed);
	- mongoc_server_stream_cleanup (server_stream);
	- mongoc_cmd_parts_cleanup (&parts);
	- if (!reply_initialized && reply) {
	- bson_init (reply);
	- }
	-
	- RETURN (ret);
	-}
	-
	-
	-bool
	-mongoc_collection_ensure_index (mongoc_collection_t *collection,
	- const bson_t *keys,
	- const mongoc_index_opt_t *opt,
	- bson_error_t *error)
	-{
	- BEGIN_IGNORE_DEPRECATIONS
	- return mongoc_collection_create_index (collection, keys, opt, error);
	- END_IGNORE_DEPRECATIONS
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_collection_find_indexes (mongoc_collection_t *collection,
	- bson_error_t *error)
	-{
	- mongoc_cursor_t *cursor;
	-
	- cursor = mongoc_collection_find_indexes_with_opts (collection, NULL);
	-
	- (void) mongoc_cursor_error (cursor, error);
	-
	- return cursor;
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_collection_find_indexes_with_opts (mongoc_collection_t *collection,
	- const bson_t *opts)
	-{
	- mongoc_cursor_t *cursor;
	- bson_t cmd = BSON_INITIALIZER;
	- bson_t child;
	- bson_error_t error;
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- bson_append_utf8 (&cmd,
	- "listIndexes",
	- -1,
	- collection->collection,
	- collection->collectionlen);
	-
	- BSON_APPEND_DOCUMENT_BEGIN (&cmd, "cursor", &child);
	- bson_append_document_end (&cmd, &child);
	-
	- /* No read preference. Index Enumeration Spec: "run listIndexes on the
	- * primary node in replicaSet mode". */
	- cursor = _mongoc_cursor_cmd_new (
	- collection->client, collection->ns, &cmd, opts, NULL, NULL, NULL);
	-
	- if (!mongoc_cursor_error (cursor, &error)) {
	- _mongoc_cursor_prime (cursor);
	- }
	-
	- if (mongoc_cursor_error (cursor, &error) &&
	- error.code == MONGOC_ERROR_COLLECTION_DOES_NOT_EXIST) {
	- /* collection does not exist. from spec: return no documents but no err:
	- * https://github.com/mongodb/specifications/blob/master/source/enumerate-indexes.rst#enumeration-getting-index-information
	- */
	- _mongoc_cursor_set_empty (cursor);
	- }
	-
	- bson_destroy (&cmd);
	-
	- return cursor;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_insert_bulk --
	- *
	- * Bulk insert documents into a MongoDB collection.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @flags: flags for the insert or 0.
	- * @documents: The documents to insert.
	- * @n_documents: The number of documents to insert.
	- * @write_concern: A write concern or NULL.
	- * @error: a location for an error or NULL.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * If the write concern does not dictate checking the result of the
	- * insert, then true may be returned even though the document was
	- * not actually inserted on the MongoDB server or cluster.
	- *
	- * Side effects:
	- * @collection->gle is setup, depending on write_concern->w value.
	- * @error may be set upon failure if non-NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_insert_bulk (mongoc_collection_t *collection,
	- mongoc_insert_flags_t flags,
	- const bson_t **documents,
	- uint32_t n_documents,
	- const mongoc_write_concern_t *write_concern,
	- bson_error_t *error)
	-{
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	- uint32_t i;
	- bool ret;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (documents);
	-
	- if (!write_concern) {
	- write_concern = collection->write_concern;
	- }
	-
	- if (!(flags & MONGOC_INSERT_NO_VALIDATE)) {
	- for (i = 0; i < n_documents; i++) {
	- if (!_mongoc_validate_new_document (
	- documents[i], _mongoc_default_insert_vflags, error)) {
	- RETURN (false);
	- }
	- }
	- }
	-
	- bson_clear (&collection->gle);
	-
	- _mongoc_write_result_init (&result);
	-
	- write_flags.ordered = !(flags & MONGOC_INSERT_CONTINUE_ON_ERROR);
	-
	- _mongoc_write_command_init_insert (
	- &command,
	- NULL,
	- NULL,
	- write_flags,
	- ++collection->client->cluster.operation_id);
	-
	- for (i = 0; i < n_documents; i++) {
	- _mongoc_write_command_insert_append (&command, documents[i]);
	- }
	-
	- _mongoc_collection_write_command_execute (
	- &command, collection, write_concern, NULL, &result);
	-
	- collection->gle = bson_new ();
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- write_concern,
	- /* no error domain override */
	- (mongoc_error_domain_t) 0,
	- collection->gle,
	- error);
	-
	- _mongoc_write_result_destroy (&result);
	- _mongoc_write_command_destroy (&command);
	-
	- return ret;
	-}
	-
	-
	-bool
	-mongoc_collection_insert (mongoc_collection_t *collection,
	- mongoc_insert_flags_t flags,
	- const bson_t *document,
	- const mongoc_write_concern_t *write_concern,
	- bson_error_t *error)
	-{
	- bson_t opts = BSON_INITIALIZER;
	- bson_t reply;
	- bool r;
	-
	- bson_clear (&collection->gle);
	-
	- if (flags & MONGOC_INSERT_NO_VALIDATE) {
	- bson_append_bool (&opts, "validate", 8, false);
	- }
	-
	- if (write_concern) {
	- mongoc_write_concern_append ((mongoc_write_concern_t *) write_concern,
	- &opts);
	- }
	-
	- r =
	- mongoc_collection_insert_one (collection, document, &opts, &reply, error);
	-
	- collection->gle = bson_copy (&reply);
	- bson_destroy (&reply);
	- bson_destroy (&opts);
	-
	- return r;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_insert_one --
	- *
	- * Insert a document into a MongoDB collection.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @document: The document to insert.
	- * @opts: Standard command options.
	- * @reply: Optional. Uninitialized doc to receive the update result.
	- * @error: A location for an error or NULL.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * If the write concern does not dictate checking the result of the
	- * insert, then true may be returned even though the document was
	- * not actually inserted on the MongoDB server or cluster.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_insert_one (mongoc_collection_t *collection,
	- const bson_t *document,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_insert_one_opts_t insert_one_opts;
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (document);
	-
	- _mongoc_bson_init_if_set (reply);
	-
	- if (!_mongoc_insert_one_opts_parse (
	- collection->client, opts, &insert_one_opts, error)) {
	- GOTO (done);
	- }
	-
	- if (!_mongoc_validate_new_document (
	- document, insert_one_opts.crud.validate, error)) {
	- GOTO (done);
	- }
	-
	- _mongoc_write_result_init (&result);
	- _mongoc_write_command_init_insert_idl (
	- &command,
	- document,
	- &insert_one_opts.extra,
	- ++collection->client->cluster.operation_id);
	-
	- command.flags.bypass_document_validation = insert_one_opts.bypass;
	- _mongoc_collection_write_command_execute_idl (
	- &command, collection, &insert_one_opts.crud, &result);
	-
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- insert_one_opts.crud.writeConcern,
	- /* no error domain override */
	- (mongoc_error_domain_t) 0,
	- reply,
	- error,
	- "insertedCount");
	-
	- _mongoc_write_result_destroy (&result);
	- _mongoc_write_command_destroy (&command);
	-
	-done:
	- _mongoc_insert_one_opts_cleanup (&insert_one_opts);
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_insert_many --
	- *
	- * Insert documents into a MongoDB collection. Replaces
	- * mongoc_collection_insert_bulk.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @documents: The documents to insert.
	- * @n_documents: Length of @documents array.
	- * @opts: Standard command options.
	- * @reply: Optional. Uninitialized doc to receive the update result.
	- * @error: A location for an error or NULL.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * If the write concern does not dictate checking the result of the
	- * insert, then true may be returned even though the document was
	- * not actually inserted on the MongoDB server or cluster.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_insert_many (mongoc_collection_t *collection,
	- const bson_t **documents,
	- size_t n_documents,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_insert_many_opts_t insert_many_opts;
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- size_t i;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (documents);
	-
	- _mongoc_bson_init_if_set (reply);
	-
	- if (!_mongoc_insert_many_opts_parse (
	- collection->client, opts, &insert_many_opts, error)) {
	- _mongoc_insert_many_opts_cleanup (&insert_many_opts);
	- return false;
	- }
	-
	- _mongoc_write_result_init (&result);
	- _mongoc_write_command_init_insert_idl (
	- &command,
	- NULL,
	- &insert_many_opts.extra,
	- ++collection->client->cluster.operation_id);
	-
	- command.flags.ordered = insert_many_opts.ordered;
	- command.flags.bypass_document_validation = insert_many_opts.bypass;
	-
	- for (i = 0; i < n_documents; i++) {
	- if (!_mongoc_validate_new_document (
	- documents[i], insert_many_opts.crud.validate, error)) {
	- ret = false;
	- GOTO (done);
	- }
	-
	- _mongoc_write_command_insert_append (&command, documents[i]);
	- }
	-
	- _mongoc_collection_write_command_execute_idl (
	- &command, collection, &insert_many_opts.crud, &result);
	-
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- insert_many_opts.crud.writeConcern,
	- /* no error domain override */
	- (mongoc_error_domain_t) 0,
	- reply,
	- error,
	- "insertedCount");
	-
	-done:
	- _mongoc_write_result_destroy (&result);
	- _mongoc_write_command_destroy (&command);
	- _mongoc_insert_many_opts_cleanup (&insert_many_opts);
	-
	- RETURN (ret);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_update --
	- *
	- * Updates one or more documents matching @selector with @update.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @flags: The flags for the update.
	- * @selector: A bson_t containing your selector.
	- * @update: A bson_t containing your update document.
	- * @write_concern: The write concern or NULL.
	- * @error: A location for an error or NULL.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @collection->gle is setup, depending on write_concern->w value.
	- * @error is setup upon failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_update (mongoc_collection_t *collection,
	- mongoc_update_flags_t uflags,
	- const bson_t *selector,
	- const bson_t *update,
	- const mongoc_write_concern_t *write_concern,
	- bson_error_t *error)
	-{
	- mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- bson_iter_t iter;
	- bool ret;
	- int flags = uflags;
	- bson_t opts;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (selector);
	- BSON_ASSERT_PARAM (update);
	-
	- bson_clear (&collection->gle);
	-
	- if (!write_concern) {
	- write_concern = collection->write_concern;
	- }
	-
	- if (!((uint32_t) flags & MONGOC_UPDATE_NO_VALIDATE) &&
	- bson_iter_init (&iter, update) && bson_iter_next (&iter)) {
	- if (bson_iter_key (&iter)[0] == '$') {
	- /* update document, all keys must be $-operators */
	- if (!_mongoc_validate_update (
	- update, _mongoc_default_update_vflags, error)) {
	- return false;
	- }
	- } else {
	- if (!_mongoc_validate_replace (
	- update, _mongoc_default_replace_vflags, error)) {
	- return false;
	- }
	- }
	- }
	-
	- bson_init (&opts);
	- BSON_APPEND_BOOL (&opts, "upsert", !!(flags & MONGOC_UPDATE_UPSERT));
	- BSON_APPEND_BOOL (&opts, "multi", !!(flags & MONGOC_UPDATE_MULTI_UPDATE));
	-
	- _mongoc_write_result_init (&result);
	- _mongoc_write_command_init_update (
	- &command,
	- selector,
	- update,
	- &opts,
	- write_flags,
	- ++collection->client->cluster.operation_id);
	- bson_destroy (&opts);
	-
	- command.flags.has_multi_write = !!(flags & MONGOC_UPDATE_MULTI_UPDATE);
	-
	- _mongoc_collection_write_command_execute (
	- &command, collection, write_concern, NULL, &result);
	-
	- collection->gle = bson_new ();
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- write_concern,
	- /* no error domain override */
	- (mongoc_error_domain_t) 0,
	- collection->gle,
	- error);
	-
	- _mongoc_write_result_destroy (&result);
	- _mongoc_write_command_destroy (&command);
	-
	- RETURN (ret);
	-}
	-
	-static bool
	-_mongoc_collection_update_or_replace (mongoc_collection_t *collection,
	- const bson_t *selector,
	- const bson_t *update,
	- mongoc_update_opts_t *update_opts,
	- bool multi,
	- bool bypass,
	- const bson_t *array_filters,
	- bson_t *extra,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- mongoc_server_stream_t *server_stream = NULL;
	- bool reply_initialized = false;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (selector);
	- BSON_ASSERT_PARAM (update);
	-
	- if (update_opts->upsert) {
	- bson_append_bool (extra, "upsert", 6, true);
	- }
	-
	- if (!bson_empty (&update_opts->collation)) {
	- bson_append_document (extra, "collation", 9, &update_opts->collation);
	- }
	-
	- if (update_opts->hint.value_type) {
	- bson_append_value (extra, "hint", 4, &update_opts->hint);
	- }
	-
	- if (!bson_empty0 (array_filters)) {
	- bson_append_array (extra, "arrayFilters", 12, array_filters);
	- }
	-
	- if (multi) {
	- bson_append_bool (extra, "multi", 5, true);
	- }
	-
	- _mongoc_write_result_init (&result);
	- _mongoc_write_command_init_update_idl (
	- &command,
	- selector,
	- update,
	- extra,
	- ++collection->client->cluster.operation_id);
	-
	- command.flags.has_multi_write = multi;
	- command.flags.bypass_document_validation = bypass;
	- if (!bson_empty (&update_opts->collation)) {
	- command.flags.has_collation = true;
	- }
	- if (update_opts->hint.value_type) {
	- command.flags.has_update_hint = true;
	- }
	-
	- server_stream =
	- mongoc_cluster_stream_for_writes (&collection->client->cluster,
	- update_opts->crud.client_session,
	- reply,
	- error);
	-
	- if (!server_stream) {
	- /* mongoc_cluster_stream_for_writes inits reply on error */
	- reply_initialized = true;
	- GOTO (done);
	- }
	-
	- if (!bson_empty0 (array_filters)) {
	- if (server_stream->sd->max_wire_version < WIRE_VERSION_ARRAY_FILTERS) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "The selected server does not support array filters");
	- GOTO (done);
	- }
	-
	- if (!mongoc_write_concern_is_acknowledged (
	- update_opts->crud.writeConcern)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "Cannot use array filters with unacknowledged writes");
	- GOTO (done);
	- }
	- }
	-
	- if (_mongoc_client_session_in_txn (update_opts->crud.client_session) &&
	- update_opts->crud.writeConcern) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot set write concern after starting transaction");
	- GOTO (done);
	- }
	-
	- if (!update_opts->crud.writeConcern &&
	- !_mongoc_client_session_in_txn (update_opts->crud.client_session)) {
	- update_opts->crud.writeConcern = collection->write_concern;
	- update_opts->crud.write_concern_owned = false;
	- }
	-
	- _mongoc_write_command_execute_idl (&command,
	- collection->client,
	- server_stream,
	- collection->db,
	- collection->collection,
	- 0 /* offset */,
	- &update_opts->crud,
	- &result);
	-
	- _mongoc_bson_init_if_set (reply);
	- reply_initialized = true;
	-
	- /* set fields described in CRUD spec for the UpdateResult */
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- update_opts->crud.writeConcern,
	- /* no error domain override */
	- (mongoc_error_domain_t) 0,
	- reply,
	- error,
	- "modifiedCount",
	- "matchedCount",
	- "upsertedCount",
	- "upsertedId");
	-
	-done:
	- _mongoc_write_result_destroy (&result);
	- mongoc_server_stream_cleanup (server_stream);
	- _mongoc_write_command_destroy (&command);
	-
	- if (!reply_initialized) {
	- _mongoc_bson_init_if_set (reply);
	- }
	-
	- RETURN (ret);
	-}
	-
	-bool
	-mongoc_collection_update_one (mongoc_collection_t *collection,
	- const bson_t *selector,
	- const bson_t *update,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_update_one_opts_t update_one_opts;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (update);
	-
	- if (!_mongoc_update_one_opts_parse (
	- collection->client, opts, &update_one_opts, error)) {
	- _mongoc_update_one_opts_cleanup (&update_one_opts);
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- if (!_mongoc_validate_update (
	- update, update_one_opts.update.crud.validate, error)) {
	- _mongoc_update_one_opts_cleanup (&update_one_opts);
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- ret = _mongoc_collection_update_or_replace (collection,
	- selector,
	- update,
	- &update_one_opts.update,
	- false /* multi */,
	- update_one_opts.update.bypass,
	- &update_one_opts.arrayFilters,
	- &update_one_opts.extra,
	- reply,
	- error);
	-
	- _mongoc_update_one_opts_cleanup (&update_one_opts);
	-
	- RETURN (ret);
	-}
	-
	-bool
	-mongoc_collection_update_many (mongoc_collection_t *collection,
	- const bson_t *selector,
	- const bson_t *update,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_update_many_opts_t update_many_opts;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (update);
	-
	- if (!_mongoc_update_many_opts_parse (
	- collection->client, opts, &update_many_opts, error)) {
	- _mongoc_update_many_opts_cleanup (&update_many_opts);
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- if (!_mongoc_validate_update (
	- update, update_many_opts.update.crud.validate, error)) {
	- _mongoc_update_many_opts_cleanup (&update_many_opts);
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- ret = _mongoc_collection_update_or_replace (collection,
	- selector,
	- update,
	- &update_many_opts.update,
	- true /* multi */,
	- update_many_opts.update.bypass,
	- &update_many_opts.arrayFilters,
	- &update_many_opts.extra,
	- reply,
	- error);
	-
	- _mongoc_update_many_opts_cleanup (&update_many_opts);
	-
	- RETURN (ret);
	-}
	-
	-bool
	-mongoc_collection_replace_one (mongoc_collection_t *collection,
	- const bson_t *selector,
	- const bson_t *replacement,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_replace_one_opts_t replace_one_opts;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (replacement);
	-
	- if (!_mongoc_replace_one_opts_parse (
	- collection->client, opts, &replace_one_opts, error)) {
	- _mongoc_replace_one_opts_cleanup (&replace_one_opts);
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- if (!_mongoc_validate_replace (
	- replacement, replace_one_opts.update.crud.validate, error)) {
	- _mongoc_replace_one_opts_cleanup (&replace_one_opts);
	- _mongoc_bson_init_if_set (reply);
	- return false;
	- }
	-
	- ret = _mongoc_collection_update_or_replace (collection,
	- selector,
	- replacement,
	- &replace_one_opts.update,
	- false /* multi */,
	- replace_one_opts.update.bypass,
	- NULL,
	- &replace_one_opts.extra,
	- reply,
	- error);
	-
	- _mongoc_replace_one_opts_cleanup (&replace_one_opts);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_save --
	- *
	- * Save @document to @collection.
	- *
	- * If the document has an _id field, it will be updated. Otherwise,
	- * the document will be inserted into the collection.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @error is set upon failure if non-NULL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_save (mongoc_collection_t *collection,
	- const bson_t *document,
	- const mongoc_write_concern_t *write_concern,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- bool ret;
	- bson_t selector;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (document);
	-
	- BEGIN_IGNORE_DEPRECATIONS
	- if (!bson_iter_init_find (&iter, document, "_id")) {
	- return mongoc_collection_insert (
	- collection, MONGOC_INSERT_NONE, document, write_concern, error);
	- }
	-
	- bson_init (&selector);
	- if (!bson_append_iter (&selector, NULL, 0, &iter)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Failed to append bson to create update.");
	- bson_destroy (&selector);
	- return false;
	- }
	-
	- /* this document will be inserted, validate same as for inserts */
	- if (!_mongoc_validate_new_document (
	- document, _mongoc_default_insert_vflags, error)) {
	- return false;
	- }
	-
	- ret = mongoc_collection_update (collection,
	- MONGOC_UPDATE_UPSERT \|
	- MONGOC_UPDATE_NO_VALIDATE,
	- &selector,
	- document,
	- write_concern,
	- error);
	- END_IGNORE_DEPRECATIONS
	-
	- bson_destroy (&selector);
	-
	- return ret;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_remove --
	- *
	- * Delete one or more items from a collection. If you want to
	- * limit to a single delete, provided MONGOC_REMOVE_SINGLE_REMOVE
	- * for @flags.
	- *
	- * Superseded by mongoc_collection_delete_one/many.
	- *
	- * Parameters:
	- * @collection: A mongoc_collection_t.
	- * @flags: the delete flags or 0.
	- * @selector: A selector of documents to delete.
	- * @write_concern: A write concern or NULL. If NULL, the default
	- * write concern for the collection will be used.
	- * @error: A location for an error or NULL.
	- *
	- * Returns:
	- * true if successful; otherwise false and error is set.
	- *
	- * If the write concern does not dictate checking the result, this
	- * function may return true even if it failed.
	- *
	- * Side effects:
	- * @collection->gle is setup, depending on write_concern->w value.
	- * @error is setup upon failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_remove (mongoc_collection_t *collection,
	- mongoc_remove_flags_t flags,
	- const bson_t *selector,
	- const mongoc_write_concern_t *write_concern,
	- bson_error_t *error)
	-{
	- mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- bson_t opts;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (selector);
	-
	- bson_clear (&collection->gle);
	-
	- if (!write_concern) {
	- write_concern = collection->write_concern;
	- }
	-
	- bson_init (&opts);
	- BSON_APPEND_INT32 (
	- &opts, "limit", flags & MONGOC_REMOVE_SINGLE_REMOVE ? 1 : 0);
	- _mongoc_write_result_init (&result);
	- ++collection->client->cluster.operation_id;
	- _mongoc_write_command_init_delete (&command,
	- selector,
	- NULL,
	- &opts,
	- write_flags,
	- collection->client->cluster.operation_id);
	- bson_destroy (&opts);
	-
	- command.flags.has_multi_write = !(flags & MONGOC_REMOVE_SINGLE_REMOVE);
	-
	- _mongoc_collection_write_command_execute (
	- &command, collection, write_concern, NULL, &result);
	-
	- collection->gle = bson_new ();
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- write_concern,
	- 0 /* no error domain override */,
	- collection->gle,
	- error);
	-
	- _mongoc_write_result_destroy (&result);
	- _mongoc_write_command_destroy (&command);
	-
	- RETURN (ret);
	-}
	-
	-
	-bool
	-mongoc_collection_delete (mongoc_collection_t *collection,
	- mongoc_delete_flags_t flags,
	- const bson_t *selector,
	- const mongoc_write_concern_t *write_concern,
	- bson_error_t *error)
	-{
	- return mongoc_collection_remove (collection,
	- (mongoc_remove_flags_t) flags,
	- selector,
	- write_concern,
	- error);
	-}
	-
	-
	-static bool
	-_mongoc_delete_one_or_many (mongoc_collection_t *collection,
	- bool multi,
	- const bson_t *selector,
	- mongoc_delete_opts_t *delete_opts,
	- const bson_t *cmd_opts,
	- bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_write_command_t command;
	- mongoc_write_result_t result;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (selector);
	- BSON_ASSERT (bson_empty0 (reply));
	-
	- _mongoc_write_result_init (&result);
	- bson_append_int32 (opts, "limit", 5, multi ? 0 : 1);
	-
	- if (!bson_empty (&delete_opts->collation)) {
	- bson_append_document (opts, "collation", 9, &delete_opts->collation);
	- }
	-
	- if (delete_opts->hint.value_type) {
	- bson_append_value (opts, "hint", 4, &delete_opts->hint);
	- }
	-
	- _mongoc_write_command_init_delete_idl (
	- &command,
	- selector,
	- cmd_opts,
	- opts,
	- ++collection->client->cluster.operation_id);
	-
	- command.flags.has_multi_write = multi;
	- if (!bson_empty (&delete_opts->collation)) {
	- command.flags.has_collation = true;
	- }
	- if (delete_opts->hint.value_type) {
	- command.flags.has_delete_hint = true;
	- }
	-
	- _mongoc_collection_write_command_execute_idl (
	- &command, collection, &delete_opts->crud, &result);
	-
	- /* set field described in CRUD spec for the DeleteResult */
	- ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	- collection->client->error_api_version,
	- delete_opts->crud.writeConcern,
	- /* no error domain override */
	- (mongoc_error_domain_t) 0,
	- reply,
	- error,
	- "deletedCount");
	-
	- _mongoc_write_result_destroy (&result);
	- _mongoc_write_command_destroy (&command);
	-
	- RETURN (ret);
	-}
	-
	-
	-bool
	-mongoc_collection_delete_one (mongoc_collection_t *collection,
	- const bson_t *selector,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_delete_one_opts_t delete_one_opts;
	- bson_t limit = BSON_INITIALIZER;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (selector);
	-
	- _mongoc_bson_init_if_set (reply);
	- if (!_mongoc_delete_one_opts_parse (
	- collection->client, opts, &delete_one_opts, error)) {
	- GOTO (done);
	- }
	-
	- ret = _mongoc_delete_one_or_many (collection,
	- false /* multi */,
	- selector,
	- &delete_one_opts.delete,
	- &delete_one_opts.extra,
	- &limit,
	- reply,
	- error);
	-
	-done:
	- _mongoc_delete_one_opts_cleanup (&delete_one_opts);
	- bson_destroy (&limit);
	-
	- RETURN (ret);
	-}
	-
	-bool
	-mongoc_collection_delete_many (mongoc_collection_t *collection,
	- const bson_t *selector,
	- const bson_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_delete_many_opts_t delete_many_opts;
	- bson_t limit = BSON_INITIALIZER;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (selector);
	-
	- _mongoc_bson_init_if_set (reply);
	- if (!_mongoc_delete_many_opts_parse (
	- collection->client, opts, &delete_many_opts, error)) {
	- GOTO (done);
	- }
	-
	- ret = _mongoc_delete_one_or_many (collection,
	- true /* multi */,
	- selector,
	- &delete_many_opts.delete,
	- &delete_many_opts.extra,
	- &limit,
	- reply,
	- error);
	-
	-done:
	- _mongoc_delete_many_opts_cleanup (&delete_many_opts);
	- bson_destroy (&limit);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_get_read_prefs --
	- *
	- * Fetch the default read preferences for the collection.
	- *
	- * Returns:
	- * A mongoc_read_prefs_t that should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_read_prefs_t *
	-mongoc_collection_get_read_prefs (const mongoc_collection_t *collection)
	-{
	- BSON_ASSERT_PARAM (collection);
	- return collection->read_prefs;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_set_read_prefs --
	- *
	- * Sets the default read preferences for the collection instance.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_collection_set_read_prefs (mongoc_collection_t *collection,
	- const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- if (collection->read_prefs) {
	- mongoc_read_prefs_destroy (collection->read_prefs);
	- collection->read_prefs = NULL;
	- }
	-
	- if (read_prefs) {
	- collection->read_prefs = mongoc_read_prefs_copy (read_prefs);
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_get_read_concern --
	- *
	- * Fetches the default read concern for the collection instance.
	- *
	- * Returns:
	- * A mongoc_read_concern_t that should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_read_concern_t *
	-mongoc_collection_get_read_concern (const mongoc_collection_t *collection)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return collection->read_concern;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_set_read_concern --
	- *
	- * Sets the default read concern for the collection instance.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_collection_set_read_concern (mongoc_collection_t *collection,
	- const mongoc_read_concern_t *read_concern)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- if (collection->read_concern) {
	- mongoc_read_concern_destroy (collection->read_concern);
	- collection->read_concern = NULL;
	- }
	-
	- if (read_concern) {
	- collection->read_concern = mongoc_read_concern_copy (read_concern);
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_get_write_concern --
	- *
	- * Fetches the default write concern for the collection instance.
	- *
	- * Returns:
	- * A mongoc_write_concern_t that should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const mongoc_write_concern_t *
	-mongoc_collection_get_write_concern (const mongoc_collection_t *collection)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return collection->write_concern;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_set_write_concern --
	- *
	- * Sets the default write concern for the collection instance.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_collection_set_write_concern (
	- mongoc_collection_t collection, const mongoc_write_concern_t write_concern)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- if (collection->write_concern) {
	- mongoc_write_concern_destroy (collection->write_concern);
	- collection->write_concern = NULL;
	- }
	-
	- if (write_concern) {
	- collection->write_concern = mongoc_write_concern_copy (write_concern);
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_get_name --
	- *
	- * Returns the name of the collection, excluding the database name.
	- *
	- * Returns:
	- * A string which should not be modified or freed.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const char *
	-mongoc_collection_get_name (mongoc_collection_t *collection)
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return collection->collection;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_get_last_error --
	- *
	- * Returns a bulk result.
	- *
	- * Returns:
	- * NULL or a bson_t that should not be modified or freed. This value
	- * is not guaranteed to be persistent between calls into the
	- * mongoc_collection_t instance, and therefore must be copied if
	- * you would like to keep it around.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const bson_t *
	-mongoc_collection_get_last_error (
	- const mongoc_collection_t collection) / IN */
	-{
	- BSON_ASSERT_PARAM (collection);
	-
	- return collection->gle;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_validate --
	- *
	- * Helper to call the validate command on the MongoDB server to
	- * validate the collection.
	- *
	- * Options may be additional options, or NULL.
	- * Currently supported options are:
	- *
	- * "full": Boolean
	- *
	- * If full is true, then perform a more resource intensive
	- * validation.
	- *
	- * The result is stored in reply.
	- *
	- * Returns:
	- * true if successful; otherwise false and @error is set.
	- *
	- * Side effects:
	- * @reply is set if successful.
	- * @error may be set.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_validate (mongoc_collection_t collection, / IN */
	- const bson_t options, / IN */
	- bson_t reply, / OUT */
	- bson_error_t error) / IN */
	-{
	- bson_iter_t iter;
	- bson_t cmd = BSON_INITIALIZER;
	- bool ret = false;
	- bool reply_initialized = false;
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- if (options && bson_iter_init_find (&iter, options, "full") &&
	- !BSON_ITER_HOLDS_BOOL (&iter)) {
	- bson_set_error (error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "'full' must be a boolean value.");
	- goto cleanup;
	- }
	-
	- bson_append_utf8 (
	- &cmd, "validate", 8, collection->collection, collection->collectionlen);
	-
	- if (options) {
	- bson_concat (&cmd, options);
	- }
	-
	- ret =
	- mongoc_collection_command_simple (collection, &cmd, NULL, reply, error);
	- reply_initialized = true;
	-
	-cleanup:
	- bson_destroy (&cmd);
	-
	- if (reply && !reply_initialized) {
	- bson_init (reply);
	- }
	-
	- return ret;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_rename --
	- *
	- * Rename the collection to @new_name.
	- *
	- * If @new_db is NULL, the same db will be used.
	- *
	- * If @drop_target_before_rename is true, then a collection named
	- * @new_name will be dropped before renaming @collection to
	- * @new_name.
	- *
	- * Returns:
	- * true on success; false on failure and @error is set.
	- *
	- * Side effects:
	- * @error is set on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_rename (mongoc_collection_t *collection,
	- const char *new_db,
	- const char *new_name,
	- bool drop_target_before_rename,
	- bson_error_t *error)
	-{
	- return mongoc_collection_rename_with_opts (
	- collection, new_db, new_name, drop_target_before_rename, NULL, error);
	-}
	-
	-
	-bool
	-mongoc_collection_rename_with_opts (mongoc_collection_t *collection,
	- const char *new_db,
	- const char *new_name,
	- bool drop_target_before_rename,
	- const bson_t *opts,
	- bson_error_t *error)
	-{
	- bson_t cmd = BSON_INITIALIZER;
	- char *newns;
	- bool ret;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (new_name);
	-
	- if (strchr (new_name, '$')) {
	- bson_set_error (error,
	- MONGOC_ERROR_NAMESPACE,
	- MONGOC_ERROR_NAMESPACE_INVALID,
	- "\"%s\" is an invalid collection name.",
	- new_name);
	- return false;
	- }
	-
	- newns =
	- bson_strdup_printf ("%s.%s", new_db ? new_db : collection->db, new_name);
	-
	- BSON_APPEND_UTF8 (&cmd, "renameCollection", collection->ns);
	- BSON_APPEND_UTF8 (&cmd, "to", newns);
	-
	- if (drop_target_before_rename) {
	- BSON_APPEND_BOOL (&cmd, "dropTarget", true);
	- }
	-
	- ret = _mongoc_client_command_with_opts (collection->client,
	- "admin",
	- &cmd,
	- MONGOC_CMD_WRITE,
	- opts,
	- MONGOC_QUERY_NONE,
	- NULL, /* user prefs */
	- collection->read_prefs,
	- collection->read_concern,
	- collection->write_concern,
	- NULL, /* reply */
	- error);
	-
	- if (ret) {
	- if (new_db) {
	- bson_free (collection->db);
	- collection->db = bson_strdup (new_db);
	- }
	-
	- bson_free (collection->collection);
	- collection->collection = bson_strdup (new_name);
	- collection->collectionlen = (int) strlen (collection->collection);
	-
	- bson_free (collection->ns);
	- collection->ns = bson_strdup_printf ("%s.%s", collection->db, new_name);
	- collection->nslen = (int) strlen (collection->ns);
	- }
	-
	- bson_free (newns);
	- bson_destroy (&cmd);
	-
	- return ret;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_stats --
	- *
	- * Fetches statistics about the collection.
	- *
	- * The result is stored in @stats, which should NOT be an initialized
	- * bson_t or a leak will occur.
	- *
	- * @stats, @options, and @error are optional.
	- *
	- * Returns:
	- * true on success and @stats is set.
	- * false on failure and @error is set.
	- *
	- * Side effects:
	- * @stats and @error.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_stats (mongoc_collection_t *collection,
	- const bson_t *options,
	- bson_t *stats,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- bson_t cmd = BSON_INITIALIZER;
	- bool ret;
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- if (options && bson_iter_init_find (&iter, options, "scale") &&
	- !BSON_ITER_HOLDS_INT32 (&iter)) {
	- bson_set_error (error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "'scale' must be an int32 value.");
	- return false;
	- }
	-
	- BSON_APPEND_UTF8 (&cmd, "collStats", collection->collection);
	-
	- if (options) {
	- bson_concat (&cmd, options);
	- }
	-
	- /* Server Selection Spec: "may-use-secondary" commands SHOULD take a read
	- * preference argument and otherwise MUST use the default read preference
	- * from client, database or collection configuration. */
	- ret = mongoc_collection_command_simple (
	- collection, &cmd, collection->read_prefs, stats, error);
	-
	- bson_destroy (&cmd);
	-
	- return ret;
	-}
	-
	-
	-mongoc_bulk_operation_t *
	-mongoc_collection_create_bulk_operation (
	- mongoc_collection_t *collection,
	- bool ordered,
	- const mongoc_write_concern_t *write_concern)
	-{
	- bson_t opts = BSON_INITIALIZER;
	- mongoc_bulk_operation_t *bulk;
	- bool wc_ok = true;
	-
	- bson_append_bool (&opts, "ordered", 7, ordered);
	- if (write_concern) {
	- wc_ok = mongoc_write_concern_append (
	- (mongoc_write_concern_t *) write_concern, &opts);
	- }
	-
	- bulk = mongoc_collection_create_bulk_operation_with_opts (collection, &opts);
	-
	- bson_destroy (&opts);
	-
	- if (!wc_ok) {
	- bson_set_error (&bulk->result.error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "invalid writeConcern");
	- }
	-
	- return bulk;
	-}
	-
	-
	-mongoc_bulk_operation_t *
	-mongoc_collection_create_bulk_operation_with_opts (
	- mongoc_collection_t collection, const bson_t opts)
	-{
	- mongoc_bulk_opts_t bulk_opts;
	- mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	- mongoc_write_concern_t *wc = NULL;
	- mongoc_bulk_operation_t *bulk;
	- bson_error_t err = {0};
	-
	- BSON_ASSERT_PARAM (collection);
	-
	- (void) _mongoc_bulk_opts_parse (collection->client, opts, &bulk_opts, &err);
	- if (!_mongoc_client_session_in_txn (bulk_opts.client_session)) {
	- wc = COALESCE (bulk_opts.writeConcern, collection->write_concern);
	- }
	- write_flags.ordered = bulk_opts.ordered;
	- bulk = _mongoc_bulk_operation_new (collection->client,
	- collection->db,
	- collection->collection,
	- write_flags,
	- wc);
	-
	- bulk->session = bulk_opts.client_session;
	- if (err.domain) {
	- /* _mongoc_bulk_opts_parse failed, above */
	- memcpy (&bulk->result.error, &err, sizeof (bson_error_t));
	- } else if (_mongoc_client_session_in_txn (bulk_opts.client_session) &&
	- !mongoc_write_concern_is_default (bulk_opts.writeConcern)) {
	- bson_set_error (&bulk->result.error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot set write concern after starting transaction");
	- }
	-
	- _mongoc_bulk_opts_cleanup (&bulk_opts);
	-
	- return bulk;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_find_and_modify_with_opts --
	- *
	- * Find a document in @collection matching @query, applying @opts.
	- *
	- * If @reply is not NULL, then the result document will be placed
	- * in reply and should be released with bson_destroy().
	- *
	- * See http://docs.mongodb.org/manual/reference/command/findAndModify/
	- * for more information.
	- *
	- * Returns:
	- * true on success; false on failure.
	- *
	- * Side effects:
	- * reply is initialized.
	- * error is set if false is returned.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_collection_find_and_modify_with_opts (
	- mongoc_collection_t *collection,
	- const bson_t *query,
	- const mongoc_find_and_modify_opts_t *opts,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_cluster_t *cluster;
	- mongoc_cmd_parts_t parts;
	- bool is_retryable;
	- bson_iter_t iter;
	- bson_iter_t inner;
	- const char *name;
	- bson_t ss_reply;
	- bson_t reply_local;
	- bson_t *reply_ptr;
	- bool ret = false;
	- bson_t command = BSON_INITIALIZER;
	- mongoc_server_stream_t *server_stream = NULL;
	- mongoc_server_stream_t *retry_server_stream = NULL;
	- mongoc_find_and_modify_appended_opts_t appended_opts;
	- mongoc_write_concern_t *write_concern = NULL;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (query);
	- BSON_ASSERT_PARAM (opts);
	-
	- reply_ptr = reply ? reply : &reply_local;
	- cluster = &collection->client->cluster;
	-
	- mongoc_cmd_parts_init (
	- &parts, collection->client, collection->db, MONGOC_QUERY_NONE, &command);
	- parts.is_read_command = true;
	- parts.is_write_command = true;
	-
	- bson_init (reply_ptr);
	-
	- if (!_mongoc_find_and_modify_appended_opts_parse (
	- cluster->client, &opts->extra, &appended_opts, error)) {
	- GOTO (done);
	- }
	-
	- server_stream = mongoc_cluster_stream_for_writes (
	- cluster, appended_opts.client_session, &ss_reply, error);
	-
	- if (!server_stream) {
	- bson_concat (reply_ptr, &ss_reply);
	- bson_destroy (&ss_reply);
	- GOTO (done);
	- }
	-
	- name = mongoc_collection_get_name (collection);
	- BSON_APPEND_UTF8 (&command, "findAndModify", name);
	- BSON_APPEND_DOCUMENT (&command, "query", query);
	-
	- if (opts->sort) {
	- BSON_APPEND_DOCUMENT (&command, "sort", opts->sort);
	- }
	-
	- if (opts->update) {
	- if (_mongoc_document_is_pipeline (opts->update)) {
	- BSON_APPEND_ARRAY (&command, "update", opts->update);
	- } else {
	- BSON_APPEND_DOCUMENT (&command, "update", opts->update);
	- }
	- }
	-
	- if (opts->fields) {
	- BSON_APPEND_DOCUMENT (&command, "fields", opts->fields);
	- }
	-
	- if (opts->flags & MONGOC_FIND_AND_MODIFY_REMOVE) {
	- BSON_APPEND_BOOL (&command, "remove", true);
	- }
	-
	- if (opts->flags & MONGOC_FIND_AND_MODIFY_UPSERT) {
	- BSON_APPEND_BOOL (&command, "upsert", true);
	- }
	-
	- if (opts->flags & MONGOC_FIND_AND_MODIFY_RETURN_NEW) {
	- BSON_APPEND_BOOL (&command, "new", true);
	- }
	-
	- if (opts->bypass_document_validation) {
	- BSON_APPEND_BOOL (&command,
	- "bypassDocumentValidation",
	- opts->bypass_document_validation);
	- }
	-
	- if (opts->max_time_ms > 0) {
	- BSON_APPEND_INT32 (&command, "maxTimeMS", opts->max_time_ms);
	- }
	-
	- /* Some options set via mongoc_find_and_modify_opts_append were parsed. Set
	- * them on the command parts. */
	- if (appended_opts.client_session) {
	- mongoc_cmd_parts_set_session (&parts, appended_opts.client_session);
	- }
	-
	- if (appended_opts.writeConcern) {
	- if (_mongoc_client_session_in_txn (parts.assembled.session)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Cannot set write concern after starting transaction");
	- GOTO (done);
	- }
	-
	- write_concern = appended_opts.writeConcern;
	- }
	- /* inherit write concern from collection if not in transaction */
	- else if (server_stream->sd->max_wire_version >=
	- WIRE_VERSION_FAM_WRITE_CONCERN &&
	- !_mongoc_client_session_in_txn (parts.assembled.session)) {
	- if (!mongoc_write_concern_is_valid (collection->write_concern)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "The write concern is invalid.");
	- GOTO (done);
	- }
	-
	- write_concern = collection->write_concern;
	- }
	-
	- if (appended_opts.hint.value_type) {
	- int max_wire_version =
	- mongoc_write_concern_is_acknowledged (write_concern)
	- ? WIRE_VERSION_FIND_AND_MODIFY_HINT_SERVER_SIDE_ERROR
	- : WIRE_VERSION_FIND_AND_MODIFY_HINT;
	-
	- if (server_stream->sd->max_wire_version < max_wire_version) {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "selected server does not support hint on findAndModify");
	- GOTO (done);
	- }
	-
	- bson_append_value (&parts.extra, "hint", 4, &appended_opts.hint);
	- }
	-
	- /* Append any remaining unparsed options set via
	- * mongoc_find_and_modify_opts_append to the command part. */
	- if (bson_iter_init (&iter, &appended_opts.extra)) {
	- bool ok = mongoc_cmd_parts_append_opts (
	- &parts, &iter, server_stream->sd->max_wire_version, error);
	- if (!ok) {
	- GOTO (done);
	- }
	- }
	-
	- /* An empty write concern amounts to a no-op, so there's no need to guard
	- * against it. */
	- if (!mongoc_cmd_parts_set_write_concern (
	- &parts, write_concern, server_stream->sd->max_wire_version, error)) {
	- GOTO (done);
	- }
	-
	- parts.assembled.operation_id = ++cluster->operation_id;
	- if (!mongoc_cmd_parts_assemble (&parts, server_stream, error)) {
	- GOTO (done);
	- }
	-
	- is_retryable = parts.is_retryable_write;
	-
	- /* increment the transaction number for the first attempt of each retryable
	- * write command */
	- if (is_retryable) {
	- bson_iter_t txn_number_iter;
	- BSON_ASSERT (bson_iter_init_find (
	- &txn_number_iter, parts.assembled.command, "txnNumber"));
	- bson_iter_overwrite_int64 (
	- &txn_number_iter,
	- ++parts.assembled.session->server_session->txn_number);
	- }
	-retry:
	- bson_destroy (reply_ptr);
	- ret = mongoc_cluster_run_command_monitored (
	- cluster, &parts.assembled, reply_ptr, error);
	-
	- if (parts.is_retryable_write) {
	- _mongoc_write_error_handle_labels (
	- ret, error, reply_ptr, server_stream->sd->max_wire_version);
	- }
	-
	- if (is_retryable) {
	- _mongoc_write_error_update_if_unsupported_storage_engine (
	- ret, error, reply_ptr);
	- }
	-
	- /* If a retryable error is encountered and the write is retryable, select
	- * a new writable stream and retry. If server selection fails or the selected
	- * server does not support retryable writes, fall through and allow the
	- * original error to be reported. */
	- if (is_retryable &&
	- _mongoc_write_error_get_type (reply_ptr) == MONGOC_WRITE_ERR_RETRY) {
	- bson_error_t ignored_error;
	-
	- /* each write command may be retried at most once */
	- is_retryable = false;
	- retry_server_stream = mongoc_cluster_stream_for_writes (
	- cluster, parts.assembled.session, NULL /* reply */, &ignored_error);
	-
	- if (retry_server_stream && retry_server_stream->sd->max_wire_version >=
	- WIRE_VERSION_RETRY_WRITES) {
	- parts.assembled.server_stream = retry_server_stream;
	- GOTO (retry);
	- }
	- }
	-
	- if (bson_iter_init_find (&iter, reply_ptr, "writeConcernError") &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- const char *errmsg = NULL;
	- int32_t code = 0;
	-
	- BSON_ASSERT (bson_iter_recurse (&iter, &inner));
	- while (bson_iter_next (&inner)) {
	- if (BSON_ITER_IS_KEY (&inner, "code")) {
	- code = (uint32_t) bson_iter_as_int64 (&inner);
	- } else if (BSON_ITER_IS_KEY (&inner, "errmsg")) {
	- errmsg = bson_iter_utf8 (&inner, NULL);
	- }
	- }
	- bson_set_error (error,
	- MONGOC_ERROR_WRITE_CONCERN,
	- code,
	- "Write Concern error: %s",
	- errmsg);
	- ret = false;
	- }
	-
	-
	-done:
	- mongoc_server_stream_cleanup (server_stream);
	- mongoc_server_stream_cleanup (retry_server_stream);
	-
	- if (ret && error) {
	- /* if a retry succeeded, clear the initial error */
	- memset (error, 0, sizeof (bson_error_t));
	- }
	- mongoc_cmd_parts_cleanup (&parts);
	- bson_destroy (&command);
	- if (&reply_local == reply_ptr) {
	- bson_destroy (&reply_local);
	- }
	- _mongoc_find_and_modify_appended_opts_cleanup (&appended_opts);
	- RETURN (ret);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_collection_find_and_modify --
	- *
	- * Find a document in @collection matching @query and update it with
	- * the update document @update.
	- *
	- * If @reply is not NULL, then the result document will be placed
	- * in reply and should be released with bson_destroy().
	- *
	- * If @remove is true, then the matching documents will be removed.
	- *
	- * If @fields is not NULL, it will be used to select the desired
	- * resulting fields.
	- *
	- * If @_new is true, then the new version of the document is returned
	- * instead of the old document.
	- *
	- * See http://docs.mongodb.org/manual/reference/command/findAndModify/
	- * for more information.
	- *
	- * Returns:
	- * true on success; false on failure.
	- *
	- * Side effects:
	- * reply is initialized.
	- * error is set if false is returned.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_collection_find_and_modify (mongoc_collection_t *collection,
	- const bson_t *query,
	- const bson_t *sort,
	- const bson_t *update,
	- const bson_t *fields,
	- bool _remove,
	- bool upsert,
	- bool _new,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_find_and_modify_opts_t *opts;
	- int flags = 0;
	- bool ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT_PARAM (collection);
	- BSON_ASSERT_PARAM (query);
	- BSON_ASSERT (update \|\| _remove);
	-
	-
	- if (_remove) {
	- flags \|= MONGOC_FIND_AND_MODIFY_REMOVE;
	- }
	- if (upsert) {
	- flags \|= MONGOC_FIND_AND_MODIFY_UPSERT;
	- }
	- if (_new) {
	- flags \|= MONGOC_FIND_AND_MODIFY_RETURN_NEW;
	- }
	-
	- opts = mongoc_find_and_modify_opts_new ();
	-
	- mongoc_find_and_modify_opts_set_sort (opts, sort);
	- mongoc_find_and_modify_opts_set_update (opts, update);
	- mongoc_find_and_modify_opts_set_fields (opts, fields);
	- mongoc_find_and_modify_opts_set_flags (opts, flags);
	-
	- ret = mongoc_collection_find_and_modify_with_opts (
	- collection, query, opts, reply, error);
	- mongoc_find_and_modify_opts_destroy (opts);
	-
	- return ret;
	-}
	-
	-mongoc_change_stream_t *
	-mongoc_collection_watch (const mongoc_collection_t *coll,
	- const bson_t *pipeline,
	- const bson_t *opts)
	-{
	- return _mongoc_change_stream_new_from_collection (coll, pipeline, opts);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h
	deleted file mode 100644
	index 6d8a9535..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h
	+++ /dev/null
	@@ -1,414 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#if !defined(MONGOC_INSIDE) && !defined(MONGOC_COMPILATION)
	-#error "Only <mongoc/mongoc.h> can be included directly."
	-#endif
	-
	-
	-#ifndef MONGOC_CONFIG_H
	-#define MONGOC_CONFIG_H
	-
	-/* MONGOC_USER_SET_CFLAGS is set from config based on what compiler flags were
	- * used to compile mongoc */
	-#define MONGOC_USER_SET_CFLAGS ""
	-
	-#define MONGOC_USER_SET_LDFLAGS ""
	-
	-/* MONGOC_CC is used to determine what C compiler was used to compile mongoc */
	-#define MONGOC_CC "cc"
	-
	-/*
	- * MONGOC_ENABLE_SSL_SECURE_CHANNEL is set from configure to determine if we are
	- * compiled with Native SSL support on Windows
	- */
	-#define MONGOC_ENABLE_SSL_SECURE_CHANNEL 0
	-
	-#if MONGOC_ENABLE_SSL_SECURE_CHANNEL != 1
	-# undef MONGOC_ENABLE_SSL_SECURE_CHANNEL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO_CNG is set from configure to determine if we are
	- * compiled with Native Crypto support on Windows
	- */
	-#define MONGOC_ENABLE_CRYPTO_CNG 0
	-
	-#if MONGOC_ENABLE_CRYPTO_CNG != 1
	-# undef MONGOC_ENABLE_CRYPTO_CNG
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL_SECURE_TRANSPORT is set from configure to determine if we are
	- * compiled with Native SSL support on Darwin
	- */
	-#define MONGOC_ENABLE_SSL_SECURE_TRANSPORT 0
	-
	-#if MONGOC_ENABLE_SSL_SECURE_TRANSPORT != 1
	-# undef MONGOC_ENABLE_SSL_SECURE_TRANSPORT
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO is set from configure to determine if we are
	- * compiled with Native Crypto support on Darwin
	- */
	-#define MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO 0
	-
	-#if MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO != 1
	-# undef MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL_LIBRESSL is set from configure to determine if we are
	- * compiled with LibreSSL support.
	- */
	-#define MONGOC_ENABLE_SSL_LIBRESSL 0
	-
	-#if MONGOC_ENABLE_SSL_LIBRESSL != 1
	-# undef MONGOC_ENABLE_SSL_LIBRESSL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL_OPENSSL is set from configure to determine if we are
	- * compiled with OpenSSL support.
	- */
	-#define MONGOC_ENABLE_SSL_OPENSSL 1
	-
	-#if MONGOC_ENABLE_SSL_OPENSSL != 1
	-# undef MONGOC_ENABLE_SSL_OPENSSL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO_LIBCRYPTO is set from configure to determine if we are
	- * compiled with OpenSSL support.
	- */
	-#define MONGOC_ENABLE_CRYPTO_LIBCRYPTO 1
	-
	-#if MONGOC_ENABLE_CRYPTO_LIBCRYPTO != 1
	-# undef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL is set from configure to determine if we are
	- * compiled with any SSL support.
	- */
	-#define MONGOC_ENABLE_SSL 1
	-
	-#if MONGOC_ENABLE_SSL != 1
	-# undef MONGOC_ENABLE_SSL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO is set from configure to determine if we are
	- * compiled with any crypto support.
	- */
	-#define MONGOC_ENABLE_CRYPTO 1
	-
	-#if MONGOC_ENABLE_CRYPTO != 1
	-# undef MONGOC_ENABLE_CRYPTO
	-#endif
	-
	-
	-/*
	- * Use system crypto profile
	- */
	-#define MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE 0
	-
	-#if MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE != 1
	-# undef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	-#endif
	-
	-
	-/*
	- * Use ASN1_STRING_get0_data () rather than the deprecated ASN1_STRING_data
	- */
	-#define MONGOC_HAVE_ASN1_STRING_GET0_DATA 1
	-
	-#if MONGOC_HAVE_ASN1_STRING_GET0_DATA != 1
	-# undef MONGOC_HAVE_ASN1_STRING_GET0_DATA
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SASL is set from configure to determine if we are
	- * compiled with SASL support.
	- */
	-#define MONGOC_ENABLE_SASL 0
	-
	-#if MONGOC_ENABLE_SASL != 1
	-# undef MONGOC_ENABLE_SASL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SASL_CYRUS is set from configure to determine if we are
	- * compiled with Cyrus SASL support.
	- */
	-#define MONGOC_ENABLE_SASL_CYRUS 0
	-
	-#if MONGOC_ENABLE_SASL_CYRUS != 1
	-# undef MONGOC_ENABLE_SASL_CYRUS
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SASL_SSPI is set from configure to determine if we are
	- * compiled with SSPI support.
	- */
	-#define MONGOC_ENABLE_SASL_SSPI 0
	-
	-#if MONGOC_ENABLE_SASL_SSPI != 1
	-# undef MONGOC_ENABLE_SASL_SSPI
	-#endif
	-
	-/*
	- * MONGOC_HAVE_SASL_CLIENT_DONE is set from configure to determine if we
	- * have SASL and its version is new enough to use sasl_client_done (),
	- * which supersedes sasl_done ().
	- */
	-#define MONGOC_HAVE_SASL_CLIENT_DONE 0
	-
	-#if MONGOC_HAVE_SASL_CLIENT_DONE != 1
	-# undef MONGOC_HAVE_SASL_CLIENT_DONE
	-#endif
	-
	-
	-/*
	- * Disable automatic calls to mongoc_init() and mongoc_cleanup()
	- * before main() is called, and after exit() (respectively).
	- */
	-#define MONGOC_NO_AUTOMATIC_GLOBALS 1
	-
	-#if MONGOC_NO_AUTOMATIC_GLOBALS != 1
	-# undef MONGOC_NO_AUTOMATIC_GLOBALS
	-#endif
	-
	-/*
	- * MONGOC_HAVE_SOCKLEN is set from configure to determine if we
	- * need to emulate the type.
	- */
	-#define MONGOC_HAVE_SOCKLEN 1
	-
	-#if MONGOC_HAVE_SOCKLEN != 1
	-# undef MONGOC_HAVE_SOCKLEN
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_DNSAPI is set from configure to determine if we should use the
	- * Windows dnsapi for SRV record lookups.
	- */
	-#define MONGOC_HAVE_DNSAPI 0
	-
	-#if MONGOC_HAVE_DNSAPI != 1
	-# undef MONGOC_HAVE_DNSAPI
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_NSEARCH is set from configure to determine if we
	- * have thread-safe res_nsearch().
	- */
	-#define MONGOC_HAVE_RES_NSEARCH 1
	-
	-#if MONGOC_HAVE_RES_NSEARCH != 1
	-# undef MONGOC_HAVE_RES_NSEARCH
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_NDESTROY is set from configure to determine if we
	- * have BSD / Darwin's res_ndestroy().
	- */
	-#define MONGOC_HAVE_RES_NDESTROY 0
	-
	-#if MONGOC_HAVE_RES_NDESTROY != 1
	-# undef MONGOC_HAVE_RES_NDESTROY
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_NCLOSE is set from configure to determine if we
	- * have Linux's res_nclose().
	- */
	-#define MONGOC_HAVE_RES_NCLOSE 1
	-
	-#if MONGOC_HAVE_RES_NCLOSE != 1
	-# undef MONGOC_HAVE_RES_NCLOSE
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_SEARCH is set from configure to determine if we
	- * have thread-unsafe res_search(). It's unset if we have the preferred
	- * res_nsearch().
	- */
	-#define MONGOC_HAVE_RES_SEARCH 0
	-
	-#if MONGOC_HAVE_RES_SEARCH != 1
	-# undef MONGOC_HAVE_RES_SEARCH
	-#endif
	-
	-
	-/*
	- * Set from configure, see
	- * https://curl.haxx.se/mail/lib-2009-04/0287.html
	- */
	-#define MONGOC_SOCKET_ARG2 struct sockaddr
	-#define MONGOC_SOCKET_ARG3 socklen_t
	-
	-/*
	- * Enable wire protocol compression negotiation
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION 1
	-
	-#if MONGOC_ENABLE_COMPRESSION != 1
	-# undef MONGOC_ENABLE_COMPRESSION
	-#endif
	-
	-/*
	- * Set if we have snappy compression support
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION_SNAPPY 1
	-
	-#if MONGOC_ENABLE_COMPRESSION_SNAPPY != 1
	-# undef MONGOC_ENABLE_COMPRESSION_SNAPPY
	-#endif
	-
	-
	-/*
	- * Set if we have zlib compression support
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION_ZLIB 1
	-
	-#if MONGOC_ENABLE_COMPRESSION_ZLIB != 1
	-# undef MONGOC_ENABLE_COMPRESSION_ZLIB
	-#endif
	-
	-/*
	- * Set if we have zstd compression support
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION_ZSTD 1
	-
	-#if MONGOC_ENABLE_COMPRESSION_ZSTD != 1
	-# undef MONGOC_ENABLE_COMPRESSION_ZSTD
	-#endif
	-
	-/*
	- * Set if performance counters are available and not disabled.
	- *
	- */
	-#define MONGOC_ENABLE_SHM_COUNTERS 0
	-
	-#if MONGOC_ENABLE_SHM_COUNTERS != 1
	-# undef MONGOC_ENABLE_SHM_COUNTERS
	-#endif
	-
	-/*
	- * Set if we have enabled fast counters on Intel using the RDTSCP instruction
	- *
	- */
	-#define MONGOC_ENABLE_RDTSCP 0
	-
	-#if MONGOC_ENABLE_RDTSCP != 1
	-# undef MONGOC_ENABLE_RDTSCP
	-#endif
	-
	-
	-/*
	- * Set if we have the sched_getcpu() function for use with counters
	- *
	- */
	-#define MONGOC_HAVE_SCHED_GETCPU 1
	-
	-#if MONGOC_HAVE_SCHED_GETCPU != 1
	-# undef MONGOC_HAVE_SCHED_GETCPU
	-#endif
	-
	-/*
	- * Set if tracing is enabled. Logs things like network communication and
	- * entry/exit of certain functions.
	- *
	- */
	-#define MONGOC_TRACE 1
	-
	-#if MONGOC_TRACE != 1
	-# undef MONGOC_TRACE
	-#endif
	-
	-/*
	- * Set if we have ICU support.
	- */
	-#define MONGOC_ENABLE_ICU 1
	-
	-#if MONGOC_ENABLE_ICU != 1
	-# undef MONGOC_ENABLE_ICU
	-#endif
	-
	-
	-/*
	- * Set if we have Client Side Encryption support.
	- */
	-
	-#define MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION 1
	-
	-#if MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION != 1
	-# undef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	-#endif
	-
	-
	-/*
	- * Set if struct sockaddr_storage has __ss_family (instead of ss_family)
	- */
	-
	-#define MONGOC_HAVE_SS_FAMILY 1
	-
	-#if MONGOC_HAVE_SS_FAMILY != 1
	-# undef MONGOC_HAVE_SS_FAMILY
	-#endif
	-
	-/*
	- * Set if building with AWS IAM support.
	- */
	-#define MONGOC_ENABLE_MONGODB_AWS_AUTH 1
	-
	-#if MONGOC_ENABLE_MONGODB_AWS_AUTH != 1
	-# undef MONGOC_ENABLE_MONGODB_AWS_AUTH
	-#endif
	-
	-/*
	- * NOTICE:
	- * If you're about to update this file and add a config flag, make sure to
	- * update:
	- * o The bitfield in mongoc-handshake-private.h
	- * o _mongoc_handshake_get_config_hex_string() in mongoc-handshake.c
	- * o examples/parse_handshake_cfg.py
	- * o test_handshake_config_string in test-mongoc-handshake.c
	- */
	-
	-#endif /* MONGOC_CONFIG_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in
	deleted file mode 100644
	index a797c205..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in
	+++ /dev/null
	@@ -1,414 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#if !defined(MONGOC_INSIDE) && !defined(MONGOC_COMPILATION)
	-#error "Only <mongoc/mongoc.h> can be included directly."
	-#endif
	-
	-
	-#ifndef MONGOC_CONFIG_H
	-#define MONGOC_CONFIG_H
	-
	-/* MONGOC_USER_SET_CFLAGS is set from config based on what compiler flags were
	- * used to compile mongoc */
	-#define MONGOC_USER_SET_CFLAGS "@MONGOC_USER_SET_CFLAGS@"
	-
	-#define MONGOC_USER_SET_LDFLAGS "@MONGOC_USER_SET_LDFLAGS@"
	-
	-/* MONGOC_CC is used to determine what C compiler was used to compile mongoc */
	-#define MONGOC_CC "@MONGOC_CC@"
	-
	-/*
	- * MONGOC_ENABLE_SSL_SECURE_CHANNEL is set from configure to determine if we are
	- * compiled with Native SSL support on Windows
	- */
	-#define MONGOC_ENABLE_SSL_SECURE_CHANNEL @MONGOC_ENABLE_SSL_SECURE_CHANNEL@
	-
	-#if MONGOC_ENABLE_SSL_SECURE_CHANNEL != 1
	-# undef MONGOC_ENABLE_SSL_SECURE_CHANNEL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO_CNG is set from configure to determine if we are
	- * compiled with Native Crypto support on Windows
	- */
	-#define MONGOC_ENABLE_CRYPTO_CNG @MONGOC_ENABLE_CRYPTO_CNG@
	-
	-#if MONGOC_ENABLE_CRYPTO_CNG != 1
	-# undef MONGOC_ENABLE_CRYPTO_CNG
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL_SECURE_TRANSPORT is set from configure to determine if we are
	- * compiled with Native SSL support on Darwin
	- */
	-#define MONGOC_ENABLE_SSL_SECURE_TRANSPORT @MONGOC_ENABLE_SSL_SECURE_TRANSPORT@
	-
	-#if MONGOC_ENABLE_SSL_SECURE_TRANSPORT != 1
	-# undef MONGOC_ENABLE_SSL_SECURE_TRANSPORT
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO is set from configure to determine if we are
	- * compiled with Native Crypto support on Darwin
	- */
	-#define MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO @MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO@
	-
	-#if MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO != 1
	-# undef MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL_LIBRESSL is set from configure to determine if we are
	- * compiled with LibreSSL support.
	- */
	-#define MONGOC_ENABLE_SSL_LIBRESSL @MONGOC_ENABLE_SSL_LIBRESSL@
	-
	-#if MONGOC_ENABLE_SSL_LIBRESSL != 1
	-# undef MONGOC_ENABLE_SSL_LIBRESSL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL_OPENSSL is set from configure to determine if we are
	- * compiled with OpenSSL support.
	- */
	-#define MONGOC_ENABLE_SSL_OPENSSL @MONGOC_ENABLE_SSL_OPENSSL@
	-
	-#if MONGOC_ENABLE_SSL_OPENSSL != 1
	-# undef MONGOC_ENABLE_SSL_OPENSSL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO_LIBCRYPTO is set from configure to determine if we are
	- * compiled with OpenSSL support.
	- */
	-#define MONGOC_ENABLE_CRYPTO_LIBCRYPTO @MONGOC_ENABLE_CRYPTO_LIBCRYPTO@
	-
	-#if MONGOC_ENABLE_CRYPTO_LIBCRYPTO != 1
	-# undef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SSL is set from configure to determine if we are
	- * compiled with any SSL support.
	- */
	-#define MONGOC_ENABLE_SSL @MONGOC_ENABLE_SSL@
	-
	-#if MONGOC_ENABLE_SSL != 1
	-# undef MONGOC_ENABLE_SSL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_CRYPTO is set from configure to determine if we are
	- * compiled with any crypto support.
	- */
	-#define MONGOC_ENABLE_CRYPTO @MONGOC_ENABLE_CRYPTO@
	-
	-#if MONGOC_ENABLE_CRYPTO != 1
	-# undef MONGOC_ENABLE_CRYPTO
	-#endif
	-
	-
	-/*
	- * Use system crypto profile
	- */
	-#define MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE @MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE@
	-
	-#if MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE != 1
	-# undef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	-#endif
	-
	-
	-/*
	- * Use ASN1_STRING_get0_data () rather than the deprecated ASN1_STRING_data
	- */
	-#define MONGOC_HAVE_ASN1_STRING_GET0_DATA @MONGOC_HAVE_ASN1_STRING_GET0_DATA@
	-
	-#if MONGOC_HAVE_ASN1_STRING_GET0_DATA != 1
	-# undef MONGOC_HAVE_ASN1_STRING_GET0_DATA
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SASL is set from configure to determine if we are
	- * compiled with SASL support.
	- */
	-#define MONGOC_ENABLE_SASL @MONGOC_ENABLE_SASL@
	-
	-#if MONGOC_ENABLE_SASL != 1
	-# undef MONGOC_ENABLE_SASL
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SASL_CYRUS is set from configure to determine if we are
	- * compiled with Cyrus SASL support.
	- */
	-#define MONGOC_ENABLE_SASL_CYRUS @MONGOC_ENABLE_SASL_CYRUS@
	-
	-#if MONGOC_ENABLE_SASL_CYRUS != 1
	-# undef MONGOC_ENABLE_SASL_CYRUS
	-#endif
	-
	-
	-/*
	- * MONGOC_ENABLE_SASL_SSPI is set from configure to determine if we are
	- * compiled with SSPI support.
	- */
	-#define MONGOC_ENABLE_SASL_SSPI @MONGOC_ENABLE_SASL_SSPI@
	-
	-#if MONGOC_ENABLE_SASL_SSPI != 1
	-# undef MONGOC_ENABLE_SASL_SSPI
	-#endif
	-
	-/*
	- * MONGOC_HAVE_SASL_CLIENT_DONE is set from configure to determine if we
	- * have SASL and its version is new enough to use sasl_client_done (),
	- * which supersedes sasl_done ().
	- */
	-#define MONGOC_HAVE_SASL_CLIENT_DONE @MONGOC_HAVE_SASL_CLIENT_DONE@
	-
	-#if MONGOC_HAVE_SASL_CLIENT_DONE != 1
	-# undef MONGOC_HAVE_SASL_CLIENT_DONE
	-#endif
	-
	-
	-/*
	- * Disable automatic calls to mongoc_init() and mongoc_cleanup()
	- * before main() is called, and after exit() (respectively).
	- */
	-#define MONGOC_NO_AUTOMATIC_GLOBALS @MONGOC_NO_AUTOMATIC_GLOBALS@
	-
	-#if MONGOC_NO_AUTOMATIC_GLOBALS != 1
	-# undef MONGOC_NO_AUTOMATIC_GLOBALS
	-#endif
	-
	-/*
	- * MONGOC_HAVE_SOCKLEN is set from configure to determine if we
	- * need to emulate the type.
	- */
	-#define MONGOC_HAVE_SOCKLEN @MONGOC_HAVE_SOCKLEN@
	-
	-#if MONGOC_HAVE_SOCKLEN != 1
	-# undef MONGOC_HAVE_SOCKLEN
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_DNSAPI is set from configure to determine if we should use the
	- * Windows dnsapi for SRV record lookups.
	- */
	-#define MONGOC_HAVE_DNSAPI @MONGOC_HAVE_DNSAPI@
	-
	-#if MONGOC_HAVE_DNSAPI != 1
	-# undef MONGOC_HAVE_DNSAPI
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_NSEARCH is set from configure to determine if we
	- * have thread-safe res_nsearch().
	- */
	-#define MONGOC_HAVE_RES_NSEARCH @MONGOC_HAVE_RES_NSEARCH@
	-
	-#if MONGOC_HAVE_RES_NSEARCH != 1
	-# undef MONGOC_HAVE_RES_NSEARCH
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_NDESTROY is set from configure to determine if we
	- * have BSD / Darwin's res_ndestroy().
	- */
	-#define MONGOC_HAVE_RES_NDESTROY @MONGOC_HAVE_RES_NDESTROY@
	-
	-#if MONGOC_HAVE_RES_NDESTROY != 1
	-# undef MONGOC_HAVE_RES_NDESTROY
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_NCLOSE is set from configure to determine if we
	- * have Linux's res_nclose().
	- */
	-#define MONGOC_HAVE_RES_NCLOSE @MONGOC_HAVE_RES_NCLOSE@
	-
	-#if MONGOC_HAVE_RES_NCLOSE != 1
	-# undef MONGOC_HAVE_RES_NCLOSE
	-#endif
	-
	-
	-/*
	- * MONGOC_HAVE_RES_SEARCH is set from configure to determine if we
	- * have thread-unsafe res_search(). It's unset if we have the preferred
	- * res_nsearch().
	- */
	-#define MONGOC_HAVE_RES_SEARCH @MONGOC_HAVE_RES_SEARCH@
	-
	-#if MONGOC_HAVE_RES_SEARCH != 1
	-# undef MONGOC_HAVE_RES_SEARCH
	-#endif
	-
	-
	-/*
	- * Set from configure, see
	- * https://curl.haxx.se/mail/lib-2009-04/0287.html
	- */
	-#define MONGOC_SOCKET_ARG2 @MONGOC_SOCKET_ARG2@
	-#define MONGOC_SOCKET_ARG3 @MONGOC_SOCKET_ARG3@
	-
	-/*
	- * Enable wire protocol compression negotiation
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION @MONGOC_ENABLE_COMPRESSION@
	-
	-#if MONGOC_ENABLE_COMPRESSION != 1
	-# undef MONGOC_ENABLE_COMPRESSION
	-#endif
	-
	-/*
	- * Set if we have snappy compression support
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION_SNAPPY @MONGOC_ENABLE_COMPRESSION_SNAPPY@
	-
	-#if MONGOC_ENABLE_COMPRESSION_SNAPPY != 1
	-# undef MONGOC_ENABLE_COMPRESSION_SNAPPY
	-#endif
	-
	-
	-/*
	- * Set if we have zlib compression support
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION_ZLIB @MONGOC_ENABLE_COMPRESSION_ZLIB@
	-
	-#if MONGOC_ENABLE_COMPRESSION_ZLIB != 1
	-# undef MONGOC_ENABLE_COMPRESSION_ZLIB
	-#endif
	-
	-/*
	- * Set if we have zstd compression support
	- *
	- */
	-#define MONGOC_ENABLE_COMPRESSION_ZSTD @MONGOC_ENABLE_COMPRESSION_ZSTD@
	-
	-#if MONGOC_ENABLE_COMPRESSION_ZSTD != 1
	-# undef MONGOC_ENABLE_COMPRESSION_ZSTD
	-#endif
	-
	-/*
	- * Set if performance counters are available and not disabled.
	- *
	- */
	-#define MONGOC_ENABLE_SHM_COUNTERS @MONGOC_ENABLE_SHM_COUNTERS@
	-
	-#if MONGOC_ENABLE_SHM_COUNTERS != 1
	-# undef MONGOC_ENABLE_SHM_COUNTERS
	-#endif
	-
	-/*
	- * Set if we have enabled fast counters on Intel using the RDTSCP instruction
	- *
	- */
	-#define MONGOC_ENABLE_RDTSCP @MONGOC_ENABLE_RDTSCP@
	-
	-#if MONGOC_ENABLE_RDTSCP != 1
	-# undef MONGOC_ENABLE_RDTSCP
	-#endif
	-
	-
	-/*
	- * Set if we have the sched_getcpu() function for use with counters
	- *
	- */
	-#define MONGOC_HAVE_SCHED_GETCPU @MONGOC_HAVE_SCHED_GETCPU@
	-
	-#if MONGOC_HAVE_SCHED_GETCPU != 1
	-# undef MONGOC_HAVE_SCHED_GETCPU
	-#endif
	-
	-/*
	- * Set if tracing is enabled. Logs things like network communication and
	- * entry/exit of certain functions.
	- *
	- */
	-#define MONGOC_TRACE @MONGOC_TRACE@
	-
	-#if MONGOC_TRACE != 1
	-# undef MONGOC_TRACE
	-#endif
	-
	-/*
	- * Set if we have ICU support.
	- */
	-#define MONGOC_ENABLE_ICU @MONGOC_ENABLE_ICU@
	-
	-#if MONGOC_ENABLE_ICU != 1
	-# undef MONGOC_ENABLE_ICU
	-#endif
	-
	-
	-/*
	- * Set if we have Client Side Encryption support.
	- */
	-
	-#define MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION @MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION@
	-
	-#if MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION != 1
	-# undef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	-#endif
	-
	-
	-/*
	- * Set if struct sockaddr_storage has __ss_family (instead of ss_family)
	- */
	-
	-#define MONGOC_HAVE_SS_FAMILY @MONGOC_HAVE_SS_FAMILY@
	-
	-#if MONGOC_HAVE_SS_FAMILY != 1
	-# undef MONGOC_HAVE_SS_FAMILY
	-#endif
	-
	-/*
	- * Set if building with AWS IAM support.
	- */
	-#define MONGOC_ENABLE_MONGODB_AWS_AUTH @MONGOC_ENABLE_MONGODB_AWS_AUTH@
	-
	-#if MONGOC_ENABLE_MONGODB_AWS_AUTH != 1
	-# undef MONGOC_ENABLE_MONGODB_AWS_AUTH
	-#endif
	-
	-/*
	- * NOTICE:
	- * If you're about to update this file and add a config flag, make sure to
	- * update:
	- * o The bitfield in mongoc-handshake-private.h
	- * o _mongoc_handshake_get_config_hex_string() in mongoc-handshake.c
	- * o examples/parse_handshake_cfg.py
	- * o test_handshake_config_string in test-mongoc-handshake.c
	- */
	-
	-#endif /* MONGOC_CONFIG_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters-private.h
	deleted file mode 100644
	index ec4cdf03..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters-private.h
	+++ /dev/null
	@@ -1,189 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_COUNTERS_PRIVATE_H
	-#define MONGOC_COUNTERS_PRIVATE_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc.h"
	-
	-#ifdef __linux__
	-#include <sched.h>
	-#include <sys/sysinfo.h>
	-#elif defined(__FreeBSD__) \|\| defined(__NetBSD__) \|\| defined(__DragonFly__) \|\| \
	- defined(__OpenBSD__)
	-#include <sys/types.h>
	-#include <sys/sysctl.h>
	-#include <sys/param.h>
	-#elif defined(__hpux__)
	-#include <sys/pstat.h>
	-#endif
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-void
	-_mongoc_counters_init (void);
	-void
	-_mongoc_counters_cleanup (void);
	-
	-
	-static BSON_INLINE unsigned
	-_mongoc_get_cpu_count (void)
	-{
	-#if defined(__linux__)
	- return get_nprocs ();
	-#elif defined(__hpux__)
	- struct pst_dynamic psd;
	-
	- if (pstat_getdynamic (&psd, sizeof (psd), (size_t) 1, 0) != -1) {
	- return psd.psd_max_proc_cnt;
	- }
	- return 1;
	-#elif defined(__FreeBSD__) \|\| defined(__NetBSD__) \|\| defined(__DragonFly__) \|\| \
	- defined(__OpenBSD__)
	- int mib[2];
	- int maxproc;
	- size_t len;
	-
	- mib[0] = CTL_HW;
	- mib[1] = HW_NCPU;
	- len = sizeof (maxproc);
	-
	- if (-1 == sysctl (mib, 2, &maxproc, &len, NULL, 0)) {
	- return 1;
	- }
	-
	- return len;
	-#elif defined(__APPLE__) \|\| defined(__sun) \|\| defined(_AIX)
	- int ncpu;
	-
	- ncpu = (int) sysconf (_SC_NPROCESSORS_ONLN);
	- return (ncpu > 0) ? ncpu : 1;
	-#elif defined(_MSC_VER) \|\| defined(_WIN32)
	- SYSTEM_INFO si;
	- GetSystemInfo (&si);
	- return si.dwNumberOfProcessors;
	-#else
	-#warning "_mongoc_get_cpu_count() not supported, defaulting to 1."
	- return 1;
	-#endif
	-}
	-
	-
	-#if defined(MONGOC_ENABLE_RDTSCP)
	-static BSON_INLINE unsigned
	-_mongoc_sched_getcpu (void)
	-{
	- volatile uint32_t rax, rdx, rcx;
	- __asm__ volatile("rdtscp\n" : "=a"(rax), "=d"(rdx), "=c"(rcx) : :);
	- unsigned node_id, core_id;
	- // node_id = (rcx & 0xFFF000)>>12; // node_id is unused
	- core_id = rcx & 0xFFF;
	- return core_id;
	-}
	-#elif defined(MONGOC_HAVE_SCHED_GETCPU)
	-#define _mongoc_sched_getcpu sched_getcpu
	-#else
	-#define _mongoc_sched_getcpu() (0)
	-#endif
	-
	-
	-#ifndef SLOTS_PER_CACHELINE
	-#define SLOTS_PER_CACHELINE 8
	-#endif
	-
	-
	-typedef struct {
	- int64_t slots[SLOTS_PER_CACHELINE];
	-} mongoc_counter_slots_t;
	-
	-
	-typedef struct {
	- mongoc_counter_slots_t *cpus;
	-} mongoc_counter_t;
	-
	-
	-#define COUNTER(ident, Category, Name, Description) \
	- extern mongoc_counter_t __mongoc_counter_##ident;
	-#include "mongoc-counters.defs"
	-#undef COUNTER
	-
	-
	-enum {
	-#define COUNTER(ident, Category, Name, Description) COUNTER_##ident,
	-#include "mongoc-counters.defs"
	-#undef COUNTER
	- LAST_COUNTER
	-};
	-
	-#ifdef MONGOC_ENABLE_SHM_COUNTERS
	-#define COUNTER(ident, Category, Name, Description) \
	- static BSON_INLINE void mongoc_counter_##ident##_add (int64_t val) \
	- { \
	- int64_t *counter = \
	- &BSON_CONCAT (__mongoc_counter_, ident) \
	- .cpus[_mongoc_sched_getcpu ()] \
	- .slots[BSON_CONCAT (COUNTER_, ident) % SLOTS_PER_CACHELINE]; \
	- bson_atomic_int64_fetch_add (counter, val, bson_memory_order_seq_cst); \
	- } \
	- static BSON_INLINE void mongoc_counter_##ident##_inc (void) \
	- { \
	- mongoc_counter_##ident##_add (1); \
	- } \
	- static BSON_INLINE void mongoc_counter_##ident##_dec (void) \
	- { \
	- mongoc_counter_##ident##_add (-1); \
	- } \
	- static BSON_INLINE void mongoc_counter_##ident##_reset (void) \
	- { \
	- uint32_t i; \
	- for (i = 0; i < _mongoc_get_cpu_count (); i++) { \
	- int64_t *counter = &__mongoc_counter_##ident.cpus[i] \
	- .slots[COUNTER_##ident % SLOTS_PER_CACHELINE]; \
	- bson_atomic_int64_exchange (counter, 0, bson_memory_order_seq_cst); \
	- } \
	- bson_atomic_thread_fence (); \
	- }
	-#include "mongoc-counters.defs"
	-#undef COUNTER
	-#else
	-/* when counters are disabled, these functions are no-ops */
	-#define COUNTER(ident, Category, Name, Description) \
	- static BSON_INLINE void mongoc_counter_##ident##_add (int64_t val) \
	- { \
	- } \
	- static BSON_INLINE void mongoc_counter_##ident##_inc (void) \
	- { \
	- } \
	- static BSON_INLINE void mongoc_counter_##ident##_dec (void) \
	- { \
	- } \
	- static BSON_INLINE void mongoc_counter_##ident##_reset (void) \
	- { \
	- }
	-#include "mongoc-counters.defs"
	-#undef COUNTER
	-#endif
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_COUNTERS_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c
	deleted file mode 100644
	index 26254ea2..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c
	+++ /dev/null
	@@ -1,118 +0,0 @@
	-/*
	- * Copyright 2016 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-config.h"
	-#include <bson/bson.h>
	-
	-#ifdef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	-#include "mongoc-crypto-openssl-private.h"
	-#include "mongoc-crypto-private.h"
	-
	-#include <openssl/sha.h>
	-#include <openssl/evp.h>
	-#include <openssl/hmac.h>
	-
	-
	-void
	-mongoc_crypto_openssl_hmac_sha1 (mongoc_crypto_t *crypto,
	- const void *key,
	- int key_len,
	- const unsigned char *data,
	- int data_len,
	- unsigned char *hmac_out)
	-{
	- /* U1 = HMAC(input, salt + 0001) */
	- HMAC (EVP_sha1 (), key, key_len, data, data_len, hmac_out, NULL);
	-}
	-
	-#if OPENSSL_VERSION_NUMBER < 0x10100000L \|\| (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
	-EVP_MD_CTX *
	-EVP_MD_CTX_new (void)
	-{
	- return bson_malloc0 (sizeof (EVP_MD_CTX));
	-}
	-
	-void
	-EVP_MD_CTX_free (EVP_MD_CTX *ctx)
	-{
	- EVP_MD_CTX_cleanup (ctx);
	- bson_free (ctx);
	-}
	-#endif
	-
	-bool
	-mongoc_crypto_openssl_sha1 (mongoc_crypto_t *crypto,
	- const unsigned char *input,
	- const size_t input_len,
	- unsigned char *hash_out)
	-{
	- EVP_MD_CTX *digest_ctxp = EVP_MD_CTX_new ();
	- bool rval = false;
	-
	- if (1 != EVP_DigestInit_ex (digest_ctxp, EVP_sha1 (), NULL)) {
	- goto cleanup;
	- }
	-
	- if (1 != EVP_DigestUpdate (digest_ctxp, input, input_len)) {
	- goto cleanup;
	- }
	-
	- rval = (1 == EVP_DigestFinal_ex (digest_ctxp, hash_out, NULL));
	-
	-cleanup:
	- EVP_MD_CTX_free (digest_ctxp);
	-
	- return rval;
	-}
	-
	-void
	-mongoc_crypto_openssl_hmac_sha256 (mongoc_crypto_t *crypto,
	- const void *key,
	- int key_len,
	- const unsigned char *data,
	- int data_len,
	- unsigned char *hmac_out)
	-{
	- /* U1 = HMAC(input, salt + 0001) */
	- HMAC (EVP_sha256 (), key, key_len, data, data_len, hmac_out, NULL);
	-}
	-
	-bool
	-mongoc_crypto_openssl_sha256 (mongoc_crypto_t *crypto,
	- const unsigned char *input,
	- const size_t input_len,
	- unsigned char *hash_out)
	-{
	- EVP_MD_CTX *digest_ctxp = EVP_MD_CTX_new ();
	- bool rval = false;
	-
	- if (1 != EVP_DigestInit_ex (digest_ctxp, EVP_sha256 (), NULL)) {
	- goto cleanup;
	- }
	-
	- if (1 != EVP_DigestUpdate (digest_ctxp, input, input_len)) {
	- goto cleanup;
	- }
	-
	- rval = (1 == EVP_DigestFinal_ex (digest_ctxp, hash_out, NULL));
	-
	-cleanup:
	- EVP_MD_CTX_free (digest_ctxp);
	-
	- return rval;
	-}
	-
	-#endif
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd.c
	deleted file mode 100644
	index f32d6257..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd.c
	+++ /dev/null
	@@ -1,206 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-#include "mongoc.h"
	-#include "mongoc-cursor-private.h"
	-#include "mongoc-client-private.h"
	-
	-typedef enum { NONE, CMD_RESPONSE, OP_GETMORE_RESPONSE } reading_from_t;
	-typedef enum { UNKNOWN, GETMORE_CMD, OP_GETMORE } getmore_type_t;
	-typedef struct _data_cmd_t {
	- /* Two paths:
	- * - Mongo 3.2+, sent "getMore" cmd, we're reading reply's "nextBatch" array
	- * - Mongo 2.6 to 3, after "aggregate" or similar command we sent OP_GETMORE,
	- * we're reading the raw reply from a stream
	- */
	- mongoc_cursor_response_t response;
	- mongoc_cursor_response_legacy_t response_legacy;
	- reading_from_t reading_from;
	- getmore_type_t getmore_type; /* cache after first getmore. */
	- bson_t cmd;
	-} data_cmd_t;
	-
	-
	-static getmore_type_t
	-_getmore_type (mongoc_cursor_t *cursor)
	-{
	- mongoc_server_stream_t *server_stream;
	- bool use_cmd;
	- data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	- if (data->getmore_type != UNKNOWN) {
	- return data->getmore_type;
	- }
	- server_stream = _mongoc_cursor_fetch_stream (cursor);
	- if (!server_stream) {
	- return UNKNOWN;
	- }
	- use_cmd = server_stream->sd->max_wire_version >= WIRE_VERSION_FIND_CMD &&
	- !_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST);
	- data->getmore_type = use_cmd ? GETMORE_CMD : OP_GETMORE;
	- mongoc_server_stream_cleanup (server_stream);
	- return data->getmore_type;
	-}
	-
	-
	-static mongoc_cursor_state_t
	-_prime (mongoc_cursor_t *cursor)
	-{
	- data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	- bson_t copied_opts;
	- bson_init (&copied_opts);
	-
	- cursor->operation_id = ++cursor->client->cluster.operation_id;
	- /* commands like agg have a cursor field, so copy opts without "batchSize" */
	- bson_copy_to_excluding_noinit (
	- &cursor->opts, &copied_opts, "batchSize", "tailable", NULL);
	-
	- /* server replies to aggregate/listIndexes/listCollections with:
	- * {cursor: {id: N, firstBatch: []}} */
	- _mongoc_cursor_response_refresh (
	- cursor, &data->cmd, &copied_opts, &data->response);
	- data->reading_from = CMD_RESPONSE;
	- bson_destroy (&copied_opts);
	- return IN_BATCH;
	-}
	-
	-
	-static mongoc_cursor_state_t
	-_pop_from_batch (mongoc_cursor_t *cursor)
	-{
	- data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	-
	- switch (data->reading_from) {
	- case CMD_RESPONSE:
	- _mongoc_cursor_response_read (cursor, &data->response, &cursor->current);
	- break;
	- case OP_GETMORE_RESPONSE:
	- cursor->current = bson_reader_read (data->response_legacy.reader, NULL);
	- break;
	- case NONE:
	- default:
	- fprintf (stderr, "trying to pop from an uninitialized cursor reader.\n");
	- BSON_ASSERT (false);
	- }
	- if (cursor->current) {
	- return IN_BATCH;
	- } else {
	- return cursor->cursor_id ? END_OF_BATCH : DONE;
	- }
	-}
	-
	-
	-static mongoc_cursor_state_t
	-_get_next_batch (mongoc_cursor_t *cursor)
	-{
	- data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	- bson_t getmore_cmd;
	- getmore_type_t getmore_type = _getmore_type (cursor);
	-
	- switch (getmore_type) {
	- case GETMORE_CMD:
	- _mongoc_cursor_prepare_getmore_command (cursor, &getmore_cmd);
	- _mongoc_cursor_response_refresh (
	- cursor, &getmore_cmd, NULL /* opts */, &data->response);
	- bson_destroy (&getmore_cmd);
	- data->reading_from = CMD_RESPONSE;
	- return IN_BATCH;
	- case OP_GETMORE:
	- _mongoc_cursor_op_getmore (cursor, &data->response_legacy);
	- data->reading_from = OP_GETMORE_RESPONSE;
	- return IN_BATCH;
	- case UNKNOWN:
	- default:
	- return DONE;
	- }
	-}
	-
	-
	-static void
	-_destroy (mongoc_cursor_impl_t *impl)
	-{
	- data_cmd_t data = (data_cmd_t ) impl->data;
	- bson_destroy (&data->response.reply);
	- bson_destroy (&data->cmd);
	- _mongoc_cursor_response_legacy_destroy (&data->response_legacy);
	- bson_free (data);
	-}
	-
	-
	-static void
	-_clone (mongoc_cursor_impl_t dst, const mongoc_cursor_impl_t src)
	-{
	- data_cmd_t data_src = (data_cmd_t ) src->data;
	- data_cmd_t *data_dst = bson_malloc0 (sizeof (data_cmd_t));
	- bson_init (&data_dst->response.reply);
	- _mongoc_cursor_response_legacy_init (&data_dst->response_legacy);
	- bson_copy_to (&data_src->cmd, &data_dst->cmd);
	- dst->data = data_dst;
	-}
	-
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_cmd_new (mongoc_client_t *client,
	- const char *db_and_coll,
	- const bson_t *cmd,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- const mongoc_read_concern_t *read_concern)
	-{
	- mongoc_cursor_t *cursor;
	- data_cmd_t data = bson_malloc0 (sizeof (data));
	-
	- cursor = _mongoc_cursor_new_with_opts (
	- client, db_and_coll, opts, user_prefs, default_prefs, read_concern);
	- _mongoc_cursor_response_legacy_init (&data->response_legacy);
	- _mongoc_cursor_check_and_copy_to (cursor, "command", cmd, &data->cmd);
	- bson_init (&data->response.reply);
	- cursor->impl.prime = _prime;
	- cursor->impl.pop_from_batch = _pop_from_batch;
	- cursor->impl.get_next_batch = _get_next_batch;
	- cursor->impl.destroy = _destroy;
	- cursor->impl.clone = _clone;
	- cursor->impl.data = (void *) data;
	- return cursor;
	-}
	-
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_cmd_new_from_reply (mongoc_client_t *client,
	- const bson_t *cmd,
	- const bson_t *opts,
	- bson_t *reply)
	-{
	- mongoc_cursor_t *cursor =
	- _mongoc_cursor_cmd_new (client, NULL, cmd, opts, NULL, NULL, NULL);
	- data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	-
	- data->reading_from = CMD_RESPONSE;
	- cursor->state = IN_BATCH;
	-
	- bson_destroy (&data->response.reply);
	- if (!bson_steal (&data->response.reply, reply)) {
	- bson_destroy (&data->response.reply);
	- BSON_ASSERT (bson_steal (&data->response.reply, bson_copy (reply)));
	- }
	-
	- if (!_mongoc_cursor_start_reading_response (cursor, &data->response)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Couldn't parse cursor document");
	- }
	- return cursor;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find.c
	deleted file mode 100644
	index 88134370..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find.c
	+++ /dev/null
	@@ -1,103 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc.h"
	-#include "mongoc-cursor-private.h"
	-#include "mongoc-client-private.h"
	-
	-typedef struct _data_find_t {
	- bson_t filter;
	-} data_find_t;
	-
	-
	-extern void
	-_mongoc_cursor_impl_find_cmd_init (mongoc_cursor_t cursor, bson_t filter);
	-extern void
	-_mongoc_cursor_impl_find_opquery_init (mongoc_cursor_t cursor, bson_t filter);
	-
	-
	-static mongoc_cursor_state_t
	-_prime (mongoc_cursor_t *cursor)
	-{
	- bool use_find_command;
	- mongoc_server_stream_t *server_stream;
	- data_find_t data = (data_find_t ) cursor->impl.data;
	-
	- /* determine if this should be a command or op_query cursor. */
	- server_stream = _mongoc_cursor_fetch_stream (cursor);
	- if (!server_stream) {
	- return DONE;
	- }
	- /* find_getmore_killcursors spec:
	- * "The find command does not support the exhaust flag from OP_QUERY." */
	- use_find_command =
	- server_stream->sd->max_wire_version >= WIRE_VERSION_FIND_CMD &&
	- !_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST);
	- mongoc_server_stream_cleanup (server_stream);
	-
	- /* set all mongoc_impl_t function pointers. */
	- if (use_find_command) {
	- _mongoc_cursor_impl_find_cmd_init (cursor, &data->filter /* stolen */);
	- } else {
	- _mongoc_cursor_impl_find_opquery_init (cursor,
	- &data->filter /* stolen */);
	- }
	- /* destroy this impl data since impl functions have been replaced. */
	- bson_free (data);
	- /* prime with the new implementation. */
	- return cursor->impl.prime (cursor);
	-}
	-
	-
	-static void
	-_clone (mongoc_cursor_impl_t dst, const mongoc_cursor_impl_t src)
	-{
	- data_find_t *data_dst = bson_malloc0 (sizeof (data_find_t));
	- data_find_t data_src = (data_find_t ) src->data;
	- bson_copy_to (&data_src->filter, &data_dst->filter);
	- dst->data = data_dst;
	-}
	-
	-
	-static void
	-_destroy (mongoc_cursor_impl_t *impl)
	-{
	- data_find_t data = (data_find_t ) impl->data;
	- bson_destroy (&data->filter);
	- bson_free (data);
	-}
	-
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_find_new (mongoc_client_t *client,
	- const char *db_and_coll,
	- const bson_t *filter,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- const mongoc_read_concern_t *read_concern)
	-{
	- mongoc_cursor_t *cursor;
	- data_find_t *data = bson_malloc0 (sizeof (data_find_t));
	- cursor = _mongoc_cursor_new_with_opts (
	- client, db_and_coll, opts, user_prefs, default_prefs, read_concern);
	- _mongoc_cursor_check_and_copy_to (cursor, "filter", filter, &data->filter);
	- cursor->impl.prime = _prime;
	- cursor->impl.clone = _clone;
	- cursor->impl.destroy = _destroy;
	- cursor->impl.data = data;
	- return cursor;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-private.h
	deleted file mode 100644
	index e8bddeab..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-private.h
	+++ /dev/null
	@@ -1,326 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_CURSOR_PRIVATE_H
	-#define MONGOC_CURSOR_PRIVATE_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-client.h"
	-#include "mongoc-buffer-private.h"
	-#include "mongoc-rpc-private.h"
	-#include "mongoc-server-stream-private.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-#define MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS "allowPartialResults"
	-#define MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS_LEN 19
	-#define MONGOC_CURSOR_AWAIT_DATA "awaitData"
	-#define MONGOC_CURSOR_AWAIT_DATA_LEN 9
	-#define MONGOC_CURSOR_BATCH_SIZE "batchSize"
	-#define MONGOC_CURSOR_BATCH_SIZE_LEN 9
	-#define MONGOC_CURSOR_COLLATION "collation"
	-#define MONGOC_CURSOR_COLLATION_LEN 9
	-#define MONGOC_CURSOR_COMMENT "comment"
	-#define MONGOC_CURSOR_COMMENT_LEN 7
	-#define MONGOC_CURSOR_EXHAUST "exhaust"
	-#define MONGOC_CURSOR_EXHAUST_LEN 7
	-#define MONGOC_CURSOR_FILTER "filter"
	-#define MONGOC_CURSOR_FILTER_LEN 6
	-#define MONGOC_CURSOR_FIND "find"
	-#define MONGOC_CURSOR_FIND_LEN 4
	-#define MONGOC_CURSOR_HINT "hint"
	-#define MONGOC_CURSOR_HINT_LEN 4
	-#define MONGOC_CURSOR_LIMIT "limit"
	-#define MONGOC_CURSOR_LIMIT_LEN 5
	-#define MONGOC_CURSOR_MAX "max"
	-#define MONGOC_CURSOR_MAX_LEN 3
	-#define MONGOC_CURSOR_MAX_AWAIT_TIME_MS "maxAwaitTimeMS"
	-#define MONGOC_CURSOR_MAX_AWAIT_TIME_MS_LEN 14
	-#define MONGOC_CURSOR_MAX_SCAN "maxScan"
	-#define MONGOC_CURSOR_MAX_SCAN_LEN 7
	-#define MONGOC_CURSOR_MAX_TIME_MS "maxTimeMS"
	-#define MONGOC_CURSOR_MAX_TIME_MS_LEN 9
	-#define MONGOC_CURSOR_MIN "min"
	-#define MONGOC_CURSOR_MIN_LEN 3
	-#define MONGOC_CURSOR_NO_CURSOR_TIMEOUT "noCursorTimeout"
	-#define MONGOC_CURSOR_NO_CURSOR_TIMEOUT_LEN 15
	-#define MONGOC_CURSOR_OPLOG_REPLAY "oplogReplay"
	-#define MONGOC_CURSOR_OPLOG_REPLAY_LEN 11
	-#define MONGOC_CURSOR_ORDERBY "orderby"
	-#define MONGOC_CURSOR_ORDERBY_LEN 7
	-#define MONGOC_CURSOR_PROJECTION "projection"
	-#define MONGOC_CURSOR_PROJECTION_LEN 10
	-#define MONGOC_CURSOR_QUERY "query"
	-#define MONGOC_CURSOR_QUERY_LEN 5
	-#define MONGOC_CURSOR_READ_CONCERN "readConcern"
	-#define MONGOC_CURSOR_READ_CONCERN_LEN 11
	-#define MONGOC_CURSOR_RETURN_KEY "returnKey"
	-#define MONGOC_CURSOR_RETURN_KEY_LEN 9
	-#define MONGOC_CURSOR_SHOW_DISK_LOC "showDiskLoc"
	-#define MONGOC_CURSOR_SHOW_DISK_LOC_LEN 11
	-#define MONGOC_CURSOR_SHOW_RECORD_ID "showRecordId"
	-#define MONGOC_CURSOR_SHOW_RECORD_ID_LEN 12
	-#define MONGOC_CURSOR_SINGLE_BATCH "singleBatch"
	-#define MONGOC_CURSOR_SINGLE_BATCH_LEN 11
	-#define MONGOC_CURSOR_SKIP "skip"
	-#define MONGOC_CURSOR_SKIP_LEN 4
	-#define MONGOC_CURSOR_SNAPSHOT "snapshot"
	-#define MONGOC_CURSOR_SNAPSHOT_LEN 8
	-#define MONGOC_CURSOR_SORT "sort"
	-#define MONGOC_CURSOR_SORT_LEN 4
	-#define MONGOC_CURSOR_TAILABLE "tailable"
	-#define MONGOC_CURSOR_TAILABLE_LEN 8
	-
	-typedef struct _mongoc_cursor_impl_t mongoc_cursor_impl_t;
	-typedef enum { UNPRIMED, IN_BATCH, END_OF_BATCH, DONE } mongoc_cursor_state_t;
	-typedef mongoc_cursor_state_t (*_mongoc_cursor_impl_transition_t) (
	- mongoc_cursor_t *cursor);
	-struct _mongoc_cursor_impl_t {
	- void (clone) (mongoc_cursor_impl_t dst, const mongoc_cursor_impl_t *src);
	- void (destroy) (mongoc_cursor_impl_t ctx);
	- _mongoc_cursor_impl_transition_t prime;
	- _mongoc_cursor_impl_transition_t pop_from_batch;
	- _mongoc_cursor_impl_transition_t get_next_batch;
	- void *data;
	-};
	-
	-/* pre-3.2 and exhaust cursor responses -- read documents from stream. */
	-typedef struct _mongoc_cursor_response_legacy {
	- mongoc_rpc_t rpc;
	- mongoc_buffer_t buffer;
	- bson_reader_t *reader;
	-} mongoc_cursor_response_legacy_t;
	-
	-/* 3.2+ responses -- read batch docs like {cursor:{id: 123, firstBatch: []}} */
	-typedef struct _mongoc_cursor_response_t {
	- bson_t reply; /* the entire command reply */
	- bson_iter_t batch_iter; /* iterates over the batch array */
	- bson_t current_doc; /* the current doc inside the batch array */
	-} mongoc_cursor_response_t;
	-
	-struct _mongoc_cursor_t {
	- mongoc_client_t *client;
	- uint32_t client_generation;
	-
	- uint32_t server_id;
	- bool secondary_ok;
	-
	- mongoc_cursor_state_t state;
	- bool in_exhaust;
	-
	- bson_t opts;
	-
	- mongoc_read_concern_t *read_concern;
	- mongoc_read_prefs_t *read_prefs;
	- mongoc_write_concern_t *write_concern;
	-
	- bool explicit_session;
	- mongoc_client_session_t *client_session;
	-
	- uint32_t count;
	-
	- char *ns;
	- uint32_t nslen;
	- uint32_t dblen;
	-
	- bson_error_t error;
	- bson_t error_doc; /* always initialized, and set with server errors. */
	-
	- const bson_t *current;
	-
	- mongoc_cursor_impl_t impl;
	-
	- int64_t operation_id;
	- int64_t cursor_id;
	-};
	-
	-int32_t
	-_mongoc_n_return (mongoc_cursor_t *cursor);
	-void
	-_mongoc_set_cursor_ns (mongoc_cursor_t cursor, const char ns, uint32_t nslen);
	-bool
	-_mongoc_cursor_get_opt_bool (const mongoc_cursor_t cursor, const char option);
	-void
	-_mongoc_cursor_flags_to_opts (mongoc_query_flags_t qflags,
	- bson_t *opts,
	- bool *secondary_ok);
	-bool
	-_mongoc_cursor_translate_dollar_query_opts (const bson_t *query,
	- bson_t *opts,
	- bson_t *unwrapped,
	- bson_error_t *error);
	-mongoc_server_stream_t *
	-_mongoc_cursor_fetch_stream (mongoc_cursor_t *cursor);
	-void
	-_mongoc_cursor_collection (const mongoc_cursor_t *cursor,
	- const char **collection,
	- int *collection_len);
	-bool
	-_mongoc_cursor_run_command (mongoc_cursor_t *cursor,
	- const bson_t *command,
	- const bson_t *opts,
	- bson_t *reply,
	- bool retry_prohibited);
	-bool
	-_mongoc_cursor_more (mongoc_cursor_t *cursor);
	-
	-bool
	-_mongoc_cursor_set_opt_int64 (mongoc_cursor_t *cursor,
	- const char *option,
	- int64_t value);
	-void
	-_mongoc_cursor_monitor_failed (mongoc_cursor_t *cursor,
	- int64_t duration,
	- mongoc_server_stream_t *stream,
	- const char *cmd_name);
	-bool
	-_mongoc_cursor_monitor_command (mongoc_cursor_t *cursor,
	- mongoc_server_stream_t *server_stream,
	- const bson_t *cmd,
	- const char *cmd_name);
	-void
	-_mongoc_cursor_prepare_find_command (mongoc_cursor_t *cursor,
	- const bson_t *filter,
	- bson_t *command);
	-const bson_t *
	-_mongoc_cursor_initial_query (mongoc_cursor_t *cursor);
	-const bson_t *
	-_mongoc_cursor_get_more (mongoc_cursor_t *cursor);
	-bool
	-_mongoc_cursor_opts_to_flags (mongoc_cursor_t *cursor,
	- mongoc_server_stream_t *stream,
	- mongoc_query_flags_t flags / OUT */);
	-void
	-_mongoc_cursor_monitor_succeeded (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_legacy_t *response,
	- int64_t duration,
	- bool first_batch,
	- mongoc_server_stream_t *stream,
	- const char *cmd_name);
	-/* start iterating a reply like
	- * {cursor: {id: 1234, ns: "db.collection", firstBatch: [...]}} or
	- * {cursor: {id: 1234, ns: "db.collection", nextBatch: [...]}} */
	-void
	-_mongoc_cursor_response_refresh (mongoc_cursor_t *cursor,
	- const bson_t *command,
	- const bson_t *opts,
	- mongoc_cursor_response_t *response);
	-bool
	-_mongoc_cursor_start_reading_response (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_t *response);
	-void
	-_mongoc_cursor_response_read (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_t *response,
	- const bson_t **bson);
	-void
	-_mongoc_cursor_prepare_getmore_command (mongoc_cursor_t *cursor,
	- bson_t *command);
	-void
	-_mongoc_cursor_set_empty (mongoc_cursor_t *cursor);
	-bool
	-_mongoc_cursor_check_and_copy_to (mongoc_cursor_t *cursor,
	- const char *err_prefix,
	- const bson_t *src,
	- bson_t *dst);
	-void
	-_mongoc_cursor_prime (mongoc_cursor_t *cursor);
	-/* legacy functions defined in mongoc-cursor-legacy.c */
	-bool
	-_mongoc_cursor_next (mongoc_cursor_t cursor, const bson_t *bson);
	-bool
	-_mongoc_cursor_op_query_find (mongoc_cursor_t *cursor,
	- bson_t *filter,
	- mongoc_cursor_response_legacy_t *response);
	-void
	-_mongoc_cursor_op_getmore (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_legacy_t *response);
	-mongoc_cursor_t *
	-_mongoc_cursor_new_with_opts (mongoc_client_t *client,
	- const char *db_and_collection,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- const mongoc_read_concern_t *read_concern);
	-void
	-_mongoc_cursor_response_legacy_init (mongoc_cursor_response_legacy_t *response);
	-void
	-_mongoc_cursor_response_legacy_destroy (
	- mongoc_cursor_response_legacy_t *response);
	-/* cursor constructors. */
	-mongoc_cursor_t *
	-_mongoc_cursor_find_new (mongoc_client_t *client,
	- const char *db_and_coll,
	- const bson_t *filter,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- const mongoc_read_concern_t *read_concern);
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_cmd_new (mongoc_client_t *client,
	- const char *db_and_coll,
	- const bson_t *cmd,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- const mongoc_read_concern_t *read_concern);
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_cmd_new_from_reply (mongoc_client_t *client,
	- const bson_t *cmd,
	- const bson_t *opts,
	- bson_t *reply);
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_cmd_deprecated_new (mongoc_client_t *client,
	- const char *db_and_coll,
	- const bson_t *cmd,
	- const mongoc_read_prefs_t *read_prefs);
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_array_new (mongoc_client_t *client,
	- const char *db_and_coll,
	- const bson_t *cmd,
	- const bson_t *opts,
	- const char *field_name);
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_change_stream_new (mongoc_client_t *client,
	- bson_t *reply,
	- const bson_t *opts);
	-
	-bool
	-_mongoc_cursor_change_stream_end_of_batch (mongoc_cursor_t *cursor);
	-
	-const bson_t *
	-_mongoc_cursor_change_stream_get_post_batch_resume_token (
	- mongoc_cursor_t *cursor);
	-
	-bool
	-_mongoc_cursor_change_stream_has_post_batch_resume_token (
	- mongoc_cursor_t *cursor);
	-
	-const bson_t *
	-_mongoc_cursor_change_stream_get_reply (mongoc_cursor_t *cursor);
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_CURSOR_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.c
	deleted file mode 100644
	index 1314cd8e..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.c
	+++ /dev/null
	@@ -1,1759 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc-cursor.h"
	-#include "mongoc-cursor-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-client-session-private.h"
	-#include "mongoc-counters-private.h"
	-#include "mongoc-error.h"
	-#include "mongoc-error-private.h"
	-#include "mongoc-log.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-read-concern-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-write-concern-private.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-aggregate-private.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "cursor"
	-
	-
	-#define CURSOR_FAILED(cursor_) ((cursor_)->error.domain != 0)
	-
	-static bool
	-_translate_query_opt (const char *query_field,
	- const char **cmd_field,
	- int *len);
	-
	-
	-bool
	-_mongoc_cursor_set_opt_int64 (mongoc_cursor_t *cursor,
	- const char *option,
	- int64_t value)
	-{
	- bson_iter_t iter;
	-
	- if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	- if (!BSON_ITER_HOLDS_INT64 (&iter)) {
	- return false;
	- }
	-
	- bson_iter_overwrite_int64 (&iter, value);
	- return true;
	- }
	-
	- return BSON_APPEND_INT64 (&cursor->opts, option, value);
	-}
	-
	-
	-static int64_t
	-_mongoc_cursor_get_opt_int64 (const mongoc_cursor_t *cursor,
	- const char *option,
	- int64_t default_value)
	-{
	- bson_iter_t iter;
	-
	- if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	- return bson_iter_as_int64 (&iter);
	- }
	-
	- return default_value;
	-}
	-
	-
	-static bool
	-_mongoc_cursor_set_opt_bool (mongoc_cursor_t *cursor,
	- const char *option,
	- bool value)
	-{
	- bson_iter_t iter;
	-
	- if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	- if (!BSON_ITER_HOLDS_BOOL (&iter)) {
	- return false;
	- }
	-
	- bson_iter_overwrite_bool (&iter, value);
	- return true;
	- }
	-
	- return BSON_APPEND_BOOL (&cursor->opts, option, value);
	-}
	-
	-
	-bool
	-_mongoc_cursor_get_opt_bool (const mongoc_cursor_t cursor, const char option)
	-{
	- bson_iter_t iter;
	-
	- if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	- return bson_iter_as_bool (&iter);
	- }
	-
	- return false;
	-}
	-
	-
	-int32_t
	-_mongoc_n_return (mongoc_cursor_t *cursor)
	-{
	- int64_t limit;
	- int64_t batch_size;
	- int64_t n_return;
	-
	- /* calculate numberToReturn according to:
	- * https://github.com/mongodb/specifications/blob/master/source/crud/crud.rst#combining-limit-and-batch-size-for-the-wire-protocol
	- */
	- limit = mongoc_cursor_get_limit (cursor);
	- batch_size = mongoc_cursor_get_batch_size (cursor);
	-
	- if (limit < 0) {
	- n_return = limit;
	- } else if (limit == 0) {
	- n_return = batch_size;
	- } else if (batch_size == 0) {
	- n_return = limit;
	- } else if (limit < batch_size) {
	- n_return = limit;
	- } else {
	- n_return = batch_size;
	- }
	-
	- /* if a specified limit exists, account for documents already returned. */
	- if (limit > 0 && cursor->count) {
	- int64_t remaining = limit - cursor->count;
	- /* remaining can be 0 if we have retrieved "limit" documents, but still
	- * have a cursor id: SERVER-21086. use nonzero batchSize to fetch final
	- * empty batch and trigger server to close cursor. */
	- if (remaining <= 0) {
	- return 1;
	- }
	-
	- n_return = BSON_MIN (n_return, remaining);
	- }
	-
	- /* check boundary conditions */
	- if (n_return < INT32_MIN) {
	- return INT32_MIN;
	- } else if (n_return > INT32_MAX) {
	- return INT32_MAX;
	- } else {
	- return (int32_t) n_return;
	- }
	-}
	-
	-
	-void
	-_mongoc_set_cursor_ns (mongoc_cursor_t cursor, const char ns, uint32_t nslen)
	-{
	- const char *dot;
	-
	- bson_free (cursor->ns);
	- cursor->ns = bson_strndup (ns, nslen);
	- cursor->nslen = nslen;
	- dot = strstr (cursor->ns, ".");
	-
	- if (dot) {
	- cursor->dblen = (uint32_t) (dot - cursor->ns);
	- } else {
	- /* a database name with no collection name */
	- cursor->dblen = cursor->nslen;
	- }
	-}
	-
	-
	-/* return first key beginning with $, or NULL. precondition: bson is valid. */
	-static const char *
	-_first_dollar_field (const bson_t *bson)
	-{
	- bson_iter_t iter;
	- const char *key;
	-
	- BSON_ASSERT (bson_iter_init (&iter, bson));
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	-
	- if (key[0] == '$') {
	- return key;
	- }
	- }
	-
	- return NULL;
	-}
	-
	-
	-/* if src is non-NULL, it is validated and copied to dst. returns false and
	- * sets the cursor error if validation fails. */
	-bool
	-_mongoc_cursor_check_and_copy_to (mongoc_cursor_t *cursor,
	- const char *err_prefix,
	- const bson_t *src,
	- bson_t *dst)
	-{
	- bson_error_t validate_err;
	- bson_init (dst);
	- if (src) {
	- if (!bson_validate_with_error (
	- src, BSON_VALIDATE_EMPTY_KEYS, &validate_err)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Invalid %s: %s",
	- err_prefix,
	- validate_err.message);
	- return false;
	- }
	-
	- bson_destroy (dst);
	- bson_copy_to (src, dst);
	- }
	- return true;
	-}
	-
	-
	-mongoc_cursor_t *
	-_mongoc_cursor_new_with_opts (mongoc_client_t *client,
	- const char *db_and_collection,
	- const bson_t *opts,
	- const mongoc_read_prefs_t *user_prefs,
	- const mongoc_read_prefs_t *default_prefs,
	- const mongoc_read_concern_t *read_concern)
	-{
	- mongoc_cursor_t *cursor;
	- mongoc_topology_description_type_t td_type;
	- uint32_t server_id;
	- mongoc_read_concern_t *read_concern_local = NULL;
	- bson_error_t validate_err;
	- const char *dollar_field;
	- bson_iter_t iter;
	-
	- ENTRY;
	-
	- BSON_ASSERT (client);
	-
	- cursor = (mongoc_cursor_t ) bson_malloc0 (sizeof cursor);
	- cursor->client = client;
	- cursor->state = UNPRIMED;
	- cursor->client_generation = client->generation;
	-
	- bson_init (&cursor->opts);
	- bson_init (&cursor->error_doc);
	-
	- if (opts) {
	- if (!bson_validate_with_error (
	- opts, BSON_VALIDATE_EMPTY_KEYS, &validate_err)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Invalid opts: %s",
	- validate_err.message);
	- GOTO (finish);
	- }
	-
	- dollar_field = _first_dollar_field (opts);
	- if (dollar_field) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot use $-modifiers in opts: \"%s\"",
	- dollar_field);
	- GOTO (finish);
	- }
	-
	- if (bson_iter_init_find (&iter, opts, "sessionId")) {
	- if (!_mongoc_client_session_from_iter (
	- client, &iter, &cursor->client_session, &cursor->error)) {
	- GOTO (finish);
	- }
	-
	- cursor->explicit_session = true;
	- }
	-
	- if (bson_iter_init_find (&iter, opts, "readConcern")) {
	- read_concern_local =
	- _mongoc_read_concern_new_from_iter (&iter, &cursor->error);
	-
	- if (!read_concern_local) {
	- /* invalid read concern */
	- GOTO (finish);
	- }
	-
	- read_concern = read_concern_local;
	- }
	-
	- /* true if there's a valid serverId or no serverId, false on err */
	- if (!_mongoc_get_server_id_from_opts (opts,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- &server_id,
	- &cursor->error)) {
	- GOTO (finish);
	- }
	-
	- if (server_id) {
	- (void) mongoc_cursor_set_hint (cursor, server_id);
	- }
	-
	- bson_copy_to_excluding_noinit (opts,
	- &cursor->opts,
	- "serverId",
	- "sessionId",
	- "bypassDocumentValidation",
	- NULL);
	-
	-
	- /* only include bypassDocumentValidation if it's true */
	- if (bson_iter_init_find (&iter, opts, "bypassDocumentValidation") &&
	- bson_iter_as_bool (&iter)) {
	- BSON_APPEND_BOOL (&cursor->opts, "bypassDocumentValidation", true);
	- }
	- }
	-
	- if (_mongoc_client_session_in_txn (cursor->client_session)) {
	- if (!IS_PREF_PRIMARY (user_prefs)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Read preference in a transaction must be primary");
	- GOTO (finish);
	- }
	-
	- cursor->read_prefs =
	- mongoc_read_prefs_copy (cursor->client_session->txn.opts.read_prefs);
	-
	- if (bson_has_field (opts, "readConcern")) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot set read concern after starting transaction");
	- GOTO (finish);
	- }
	- } else if (user_prefs) {
	- cursor->read_prefs = mongoc_read_prefs_copy (user_prefs);
	- } else if (default_prefs) {
	- cursor->read_prefs = mongoc_read_prefs_copy (default_prefs);
	- } else {
	- cursor->read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	- }
	-
	- cursor->read_concern = read_concern ? mongoc_read_concern_copy (read_concern)
	- : mongoc_read_concern_new ();
	-
	- if (db_and_collection) {
	- _mongoc_set_cursor_ns (
	- cursor, db_and_collection, (uint32_t) strlen (db_and_collection));
	- }
	-
	- if (_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST)) {
	- if (_mongoc_cursor_get_opt_int64 (cursor, MONGOC_CURSOR_LIMIT, 0)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot specify both 'exhaust' and 'limit'.");
	- GOTO (finish);
	- }
	-
	- td_type = _mongoc_topology_get_type (client->topology);
	-
	- if (td_type == MONGOC_TOPOLOGY_SHARDED) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot use exhaust cursor with sharded cluster.");
	- GOTO (finish);
	- }
	- }
	-
	- (void) _mongoc_read_prefs_validate (cursor->read_prefs, &cursor->error);
	-
	-finish:
	- mongoc_read_concern_destroy (read_concern_local);
	- mongoc_counter_cursors_active_inc ();
	-
	- RETURN (cursor);
	-}
	-
	-
	-static bool
	-_translate_query_opt (const char query_field, const char cmd_field, int len)
	-{
	- if (query_field[0] != '$') {
	- *cmd_field = query_field;
	- *len = -1;
	- return true;
	- }
	-
	- /* strip the leading '$' */
	- query_field++;
	-
	- if (!strcmp (MONGOC_CURSOR_ORDERBY, query_field)) {
	- *cmd_field = MONGOC_CURSOR_SORT;
	- *len = MONGOC_CURSOR_SORT_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_SHOW_DISK_LOC,
	- query_field)) { /* <= MongoDb 3.0 */
	- *cmd_field = MONGOC_CURSOR_SHOW_RECORD_ID;
	- *len = MONGOC_CURSOR_SHOW_RECORD_ID_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_HINT, query_field)) {
	- *cmd_field = MONGOC_CURSOR_HINT;
	- *len = MONGOC_CURSOR_HINT_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_COMMENT, query_field)) {
	- *cmd_field = MONGOC_CURSOR_COMMENT;
	- *len = MONGOC_CURSOR_COMMENT_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_MAX_SCAN, query_field)) {
	- *cmd_field = MONGOC_CURSOR_MAX_SCAN;
	- *len = MONGOC_CURSOR_MAX_SCAN_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_MAX_TIME_MS, query_field)) {
	- *cmd_field = MONGOC_CURSOR_MAX_TIME_MS;
	- *len = MONGOC_CURSOR_MAX_TIME_MS_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_MAX, query_field)) {
	- *cmd_field = MONGOC_CURSOR_MAX;
	- *len = MONGOC_CURSOR_MAX_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_MIN, query_field)) {
	- *cmd_field = MONGOC_CURSOR_MIN;
	- *len = MONGOC_CURSOR_MIN_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_RETURN_KEY, query_field)) {
	- *cmd_field = MONGOC_CURSOR_RETURN_KEY;
	- *len = MONGOC_CURSOR_RETURN_KEY_LEN;
	- } else if (!strcmp (MONGOC_CURSOR_SNAPSHOT, query_field)) {
	- *cmd_field = MONGOC_CURSOR_SNAPSHOT;
	- *len = MONGOC_CURSOR_SNAPSHOT_LEN;
	- } else {
	- /* not a special command field, must be a query operator like $or */
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-/* set up a new opt bson from older ways of specifying options.
	- * secondary_ok may be NULL.
	- * error may be NULL.
	- */
	-void
	-_mongoc_cursor_flags_to_opts (mongoc_query_flags_t qflags,
	- bson_t opts, / IN/OUT */
	- bool secondary_ok / OUT */)
	-{
	- ENTRY;
	- BSON_ASSERT (opts);
	-
	- if (secondary_ok) {
	- *secondary_ok = !!(qflags & MONGOC_QUERY_SECONDARY_OK);
	- }
	-
	- if (qflags & MONGOC_QUERY_TAILABLE_CURSOR) {
	- bson_append_bool (
	- opts, MONGOC_CURSOR_TAILABLE, MONGOC_CURSOR_TAILABLE_LEN, true);
	- }
	-
	- if (qflags & MONGOC_QUERY_OPLOG_REPLAY) {
	- bson_append_bool (opts,
	- MONGOC_CURSOR_OPLOG_REPLAY,
	- MONGOC_CURSOR_OPLOG_REPLAY_LEN,
	- true);
	- }
	-
	- if (qflags & MONGOC_QUERY_NO_CURSOR_TIMEOUT) {
	- bson_append_bool (opts,
	- MONGOC_CURSOR_NO_CURSOR_TIMEOUT,
	- MONGOC_CURSOR_NO_CURSOR_TIMEOUT_LEN,
	- true);
	- }
	-
	- if (qflags & MONGOC_QUERY_AWAIT_DATA) {
	- bson_append_bool (
	- opts, MONGOC_CURSOR_AWAIT_DATA, MONGOC_CURSOR_AWAIT_DATA_LEN, true);
	- }
	-
	- if (qflags & MONGOC_QUERY_EXHAUST) {
	- bson_append_bool (
	- opts, MONGOC_CURSOR_EXHAUST, MONGOC_CURSOR_EXHAUST_LEN, true);
	- }
	-
	- if (qflags & MONGOC_QUERY_PARTIAL) {
	- bson_append_bool (opts,
	- MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS,
	- MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS_LEN,
	- true);
	- }
	-}
	-
	-/* Checks if the passed query was wrapped in a $query, and if so, parses the
	- * query modifiers:
	- * https://docs.mongodb.com/manual/reference/operator/query-modifier/
	- * and translates them to find command options:
	- * https://docs.mongodb.com/manual/reference/command/find/
	- * opts must be initialized, and may already have options set.
	- * unwrapped must be uninitialized, and will be initialized at return.
	- * Returns true if query was unwrapped. */
	-bool
	-_mongoc_cursor_translate_dollar_query_opts (const bson_t *query,
	- bson_t *opts,
	- bson_t *unwrapped,
	- bson_error_t *error)
	-{
	- bool has_filter = false;
	- const char *key;
	- bson_iter_t iter;
	- const char *opt_key;
	- int len;
	- uint32_t data_len;
	- const uint8_t *data;
	- bson_error_t error_local = {0};
	-
	- ENTRY;
	- BSON_ASSERT (query);
	- BSON_ASSERT (opts);
	- /* If the query is explicitly specified wrapped in $query, unwrap it and
	- * translate the options to new options. */
	- if (bson_has_field (query, "$query")) {
	- /* like "{$query: {a: 1}, $orderby: {b: 1}, $otherModifier: true}" */
	- if (!bson_iter_init (&iter, query)) {
	- bson_set_error (&error_local,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Invalid BSON in query document");
	- GOTO (done);
	- }
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	- if (key[0] != '$') {
	- bson_set_error (&error_local,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot mix $query with non-dollar field '%s'",
	- key);
	- GOTO (done);
	- }
	- if (!strcmp (key, "$query")) {
	- /* set "filter" to the incoming document's "$query" */
	- bson_iter_document (&iter, &data_len, &data);
	- if (!bson_init_static (unwrapped, data, (size_t) data_len)) {
	- bson_set_error (&error_local,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Invalid BSON in $query subdocument");
	- GOTO (done);
	- }
	- has_filter = true;
	- } else if (_translate_query_opt (key, &opt_key, &len)) {
	- /* "$orderby" becomes "sort", etc., "$unknown" -> "unknown" */
	- if (!bson_append_iter (opts, opt_key, len, &iter)) {
	- bson_set_error (&error_local,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Error adding \"%s\" to query",
	- opt_key);
	- }
	- } else {
	- /* strip leading "$" */
	- if (!bson_append_iter (opts, key + 1, -1, &iter)) {
	- bson_set_error (&error_local,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Error adding \"%s\" to query",
	- key);
	- }
	- }
	- }
	- }
	-done:
	- if (error) {
	- memcpy (error, &error_local, sizeof (bson_error_t));
	- }
	- if (!has_filter) {
	- bson_init (unwrapped);
	- }
	- RETURN (has_filter);
	-}
	-
	-
	-void
	-mongoc_cursor_destroy (mongoc_cursor_t *cursor)
	-{
	- char *db;
	- ENTRY;
	-
	- if (!cursor) {
	- EXIT;
	- }
	-
	- if (cursor->impl.destroy) {
	- cursor->impl.destroy (&cursor->impl);
	- }
	-
	- /* Always close the socket for an exhaust cursor, even if the client was
	- * reset with mongoc_client_reset. That prevents further use of that socket.
	- */
	- if (cursor->in_exhaust) {
	- cursor->client->in_exhaust = false;
	- if (cursor->state != DONE) {
	- /* The only way to stop an exhaust cursor is to kill the connection
	- */
	- mongoc_cluster_disconnect_node (&cursor->client->cluster,
	- cursor->server_id);
	- }
	- } else if (cursor->client_generation == cursor->client->generation) {
	- if (cursor->cursor_id) {
	- db = bson_strndup (cursor->ns, cursor->dblen);
	-
	- _mongoc_client_kill_cursor (cursor->client,
	- cursor->server_id,
	- cursor->cursor_id,
	- cursor->operation_id,
	- db,
	- cursor->ns + cursor->dblen + 1,
	- cursor->client_session);
	- bson_free (db);
	- }
	- }
	-
	- if (cursor->client_session && !cursor->explicit_session) {
	- mongoc_client_session_destroy (cursor->client_session);
	- }
	-
	- mongoc_read_prefs_destroy (cursor->read_prefs);
	- mongoc_read_concern_destroy (cursor->read_concern);
	- mongoc_write_concern_destroy (cursor->write_concern);
	-
	- bson_destroy (&cursor->opts);
	- bson_destroy (&cursor->error_doc);
	- bson_free (cursor->ns);
	- bson_free (cursor);
	-
	- mongoc_counter_cursors_active_dec ();
	- mongoc_counter_cursors_disposed_inc ();
	-
	- EXIT;
	-}
	-
	-
	-mongoc_server_stream_t *
	-_mongoc_cursor_fetch_stream (mongoc_cursor_t *cursor)
	-{
	- mongoc_server_stream_t *server_stream;
	- bson_t reply;
	-
	- ENTRY;
	-
	- if (cursor->server_id) {
	- server_stream =
	- mongoc_cluster_stream_for_server (&cursor->client->cluster,
	- cursor->server_id,
	- true /* reconnect_ok */,
	- cursor->client_session,
	- &reply,
	- &cursor->error);
	- } else {
	- server_stream = mongoc_cluster_stream_for_reads (&cursor->client->cluster,
	- cursor->read_prefs,
	- cursor->client_session,
	- &reply,
	- &cursor->error);
	-
	- if (server_stream) {
	- cursor->server_id = server_stream->sd->id;
	- }
	- }
	-
	- if (!server_stream) {
	- bson_destroy (&cursor->error_doc);
	- bson_copy_to (&reply, &cursor->error_doc);
	- bson_destroy (&reply);
	- }
	-
	- RETURN (server_stream);
	-}
	-
	-
	-bool
	-_mongoc_cursor_monitor_command (mongoc_cursor_t *cursor,
	- mongoc_server_stream_t *server_stream,
	- const bson_t *cmd,
	- const char *cmd_name)
	-{
	- mongoc_client_t *client;
	- mongoc_apm_command_started_t event;
	- char *db;
	-
	- ENTRY;
	-
	- client = cursor->client;
	- if (!client->apm_callbacks.started) {
	- /* successful */
	- RETURN (true);
	- }
	-
	- db = bson_strndup (cursor->ns, cursor->dblen);
	-
	- mongoc_apm_command_started_init (&event,
	- cmd,
	- db,
	- cmd_name,
	- client->cluster.request_id,
	- cursor->operation_id,
	- &server_stream->sd->host,
	- server_stream->sd->id,
	- &server_stream->sd->service_id,
	- NULL,
	- client->apm_context);
	-
	- client->apm_callbacks.started (&event);
	- mongoc_apm_command_started_cleanup (&event);
	- bson_free (db);
	-
	- RETURN (true);
	-}
	-
	-
	-/* append array of docs from current cursor batch */
	-static void
	-_mongoc_cursor_append_docs_array (mongoc_cursor_t *cursor,
	- bson_t *docs,
	- mongoc_cursor_response_legacy_t *response)
	-{
	- bool eof = false;
	- char str[16];
	- const char *key;
	- uint32_t i = 0;
	- size_t keylen;
	- const bson_t *doc;
	-
	- while ((doc = bson_reader_read (response->reader, &eof))) {
	- keylen = bson_uint32_to_string (i, &key, str, sizeof str);
	- bson_append_document (docs, key, (int) keylen, doc);
	- }
	-
	- bson_reader_reset (response->reader);
	-}
	-
	-
	-void
	-_mongoc_cursor_monitor_succeeded (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_legacy_t *response,
	- int64_t duration,
	- bool first_batch,
	- mongoc_server_stream_t *stream,
	- const char *cmd_name)
	-{
	- bson_t docs_array;
	- mongoc_apm_command_succeeded_t event;
	- mongoc_client_t *client;
	- bson_t reply;
	- bson_t reply_cursor;
	-
	- ENTRY;
	-
	- client = cursor->client;
	-
	- if (!client->apm_callbacks.succeeded) {
	- EXIT;
	- }
	-
	- /* we sent OP_QUERY/OP_GETMORE, fake a reply to find/getMore command:
	- * {ok: 1, cursor: {id: 17, ns: "...", first/nextBatch: [ ... docs ... ]}}
	- */
	- bson_init (&docs_array);
	- _mongoc_cursor_append_docs_array (cursor, &docs_array, response);
	-
	- bson_init (&reply);
	- bson_append_int32 (&reply, "ok", 2, 1);
	- bson_append_document_begin (&reply, "cursor", 6, &reply_cursor);
	- bson_append_int64 (&reply_cursor, "id", 2, mongoc_cursor_get_id (cursor));
	- bson_append_utf8 (&reply_cursor, "ns", 2, cursor->ns, cursor->nslen);
	- bson_append_array (&reply_cursor,
	- first_batch ? "firstBatch" : "nextBatch",
	- first_batch ? 10 : 9,
	- &docs_array);
	- bson_append_document_end (&reply, &reply_cursor);
	- bson_destroy (&docs_array);
	-
	- mongoc_apm_command_succeeded_init (&event,
	- duration,
	- &reply,
	- cmd_name,
	- client->cluster.request_id,
	- cursor->operation_id,
	- &stream->sd->host,
	- stream->sd->id,
	- &stream->sd->service_id,
	- false,
	- client->apm_context);
	-
	- client->apm_callbacks.succeeded (&event);
	-
	- mongoc_apm_command_succeeded_cleanup (&event);
	- bson_destroy (&reply);
	-
	- EXIT;
	-}
	-
	-
	-void
	-_mongoc_cursor_monitor_failed (mongoc_cursor_t *cursor,
	- int64_t duration,
	- mongoc_server_stream_t *stream,
	- const char *cmd_name)
	-{
	- mongoc_apm_command_failed_t event;
	- mongoc_client_t *client;
	- bson_t reply;
	-
	- ENTRY;
	-
	- client = cursor->client;
	-
	- if (!client->apm_callbacks.failed) {
	- EXIT;
	- }
	-
	- /* we sent OP_QUERY/OP_GETMORE, fake a reply to find/getMore command:
	- * {ok: 0}
	- */
	- bson_init (&reply);
	- bson_append_int32 (&reply, "ok", 2, 0);
	-
	- mongoc_apm_command_failed_init (&event,
	- duration,
	- cmd_name,
	- &cursor->error,
	- &reply,
	- client->cluster.request_id,
	- cursor->operation_id,
	- &stream->sd->host,
	- stream->sd->id,
	- &stream->sd->service_id,
	- false,
	- client->apm_context);
	-
	- client->apm_callbacks.failed (&event);
	-
	- mongoc_apm_command_failed_cleanup (&event);
	- bson_destroy (&reply);
	-
	- EXIT;
	-}
	-
	-
	-#define ADD_FLAG(_flags, _value) \
	- do { \
	- if (!BSON_ITER_HOLDS_BOOL (&iter)) { \
	- bson_set_error (&cursor->error, \
	- MONGOC_ERROR_COMMAND, \
	- MONGOC_ERROR_COMMAND_INVALID_ARG, \
	- "invalid option %s, should be type bool", \
	- key); \
	- return false; \
	- } \
	- if (bson_iter_as_bool (&iter)) { \
	- *_flags \|= _value; \
	- } \
	- } while (false);
	-
	-bool
	-_mongoc_cursor_opts_to_flags (mongoc_cursor_t *cursor,
	- mongoc_server_stream_t *stream,
	- mongoc_query_flags_t flags / OUT */)
	-{
	- bson_iter_t iter;
	- const char *key;
	-
	- *flags = MONGOC_QUERY_NONE;
	-
	- if (!bson_iter_init (&iter, &cursor->opts)) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Invalid 'opts' parameter.");
	- return false;
	- }
	-
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	-
	- if (!strcmp (key, MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS)) {
	- ADD_FLAG (flags, MONGOC_QUERY_PARTIAL);
	- } else if (!strcmp (key, MONGOC_CURSOR_AWAIT_DATA)) {
	- ADD_FLAG (flags, MONGOC_QUERY_AWAIT_DATA);
	- } else if (!strcmp (key, MONGOC_CURSOR_EXHAUST)) {
	- ADD_FLAG (flags, MONGOC_QUERY_EXHAUST);
	- } else if (!strcmp (key, MONGOC_CURSOR_NO_CURSOR_TIMEOUT)) {
	- ADD_FLAG (flags, MONGOC_QUERY_NO_CURSOR_TIMEOUT);
	- } else if (!strcmp (key, MONGOC_CURSOR_OPLOG_REPLAY)) {
	- ADD_FLAG (flags, MONGOC_QUERY_OPLOG_REPLAY);
	- } else if (!strcmp (key, MONGOC_CURSOR_TAILABLE)) {
	- ADD_FLAG (flags, MONGOC_QUERY_TAILABLE_CURSOR);
	- }
	- }
	-
	- if (cursor->secondary_ok) {
	- *flags \|= MONGOC_QUERY_SECONDARY_OK;
	- } else if (cursor->server_id &&
	- (stream->topology_type == MONGOC_TOPOLOGY_RS_WITH_PRIMARY \|\|
	- stream->topology_type == MONGOC_TOPOLOGY_RS_NO_PRIMARY) &&
	- stream->sd->type != MONGOC_SERVER_RS_PRIMARY) {
	- *flags \|= MONGOC_QUERY_SECONDARY_OK;
	- }
	-
	- return true;
	-}
	-
	-bool
	-_mongoc_cursor_run_command (mongoc_cursor_t *cursor,
	- const bson_t *command,
	- const bson_t *opts,
	- bson_t *reply,
	- bool retry_prohibited)
	-{
	- mongoc_server_stream_t *server_stream;
	- bson_iter_t iter;
	- mongoc_cmd_parts_t parts;
	- const char *cmd_name;
	- bool is_primary;
	- mongoc_read_prefs_t *prefs = NULL;
	- char *db = NULL;
	- mongoc_session_opt_t *session_opts;
	- bool ret = false;
	- bool is_retryable = true;
	-
	- ENTRY;
	-
	- mongoc_cmd_parts_init (
	- &parts, cursor->client, db, MONGOC_QUERY_NONE, command);
	- parts.is_read_command = true;
	- parts.read_prefs = cursor->read_prefs;
	- parts.assembled.operation_id = cursor->operation_id;
	- server_stream = _mongoc_cursor_fetch_stream (cursor);
	-
	- if (!server_stream) {
	- _mongoc_bson_init_if_set (reply);
	- GOTO (done);
	- }
	-
	- if (opts) {
	- if (!bson_iter_init (&iter, opts)) {
	- _mongoc_bson_init_if_set (reply);
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "Invalid BSON in opts document");
	- GOTO (done);
	- }
	- if (!mongoc_cmd_parts_append_opts (&parts,
	- &iter,
	- server_stream->sd->max_wire_version,
	- &cursor->error)) {
	- _mongoc_bson_init_if_set (reply);
	- GOTO (done);
	- }
	- }
	-
	- if (parts.assembled.session) {
	- /* initial query/aggregate/etc, and opts contains "sessionId" */
	- BSON_ASSERT (!cursor->client_session);
	- BSON_ASSERT (!cursor->explicit_session);
	- cursor->client_session = parts.assembled.session;
	- cursor->explicit_session = true;
	- } else if (cursor->client_session) {
	- /* a getMore with implicit or explicit session already acquired */
	- mongoc_cmd_parts_set_session (&parts, cursor->client_session);
	- } else {
	- /* try to create an implicit session. not causally consistent. we keep
	- * the session but leave cursor->explicit_session as 0, so we use the
	- * same lsid for getMores but destroy the session when the cursor dies.
	- */
	- session_opts = mongoc_session_opts_new ();
	- mongoc_session_opts_set_causal_consistency (session_opts, false);
	- /* returns NULL if sessions aren't supported. ignore errors. */
	- cursor->client_session =
	- mongoc_client_start_session (cursor->client, session_opts, NULL);
	- mongoc_cmd_parts_set_session (&parts, cursor->client_session);
	- mongoc_session_opts_destroy (session_opts);
	- }
	-
	- if (!mongoc_cmd_parts_set_read_concern (&parts,
	- cursor->read_concern,
	- server_stream->sd->max_wire_version,
	- &cursor->error)) {
	- _mongoc_bson_init_if_set (reply);
	- GOTO (done);
	- }
	-
	- db = bson_strndup (cursor->ns, cursor->dblen);
	- parts.assembled.db_name = db;
	-
	- if (!_mongoc_cursor_opts_to_flags (
	- cursor, server_stream, &parts.user_query_flags)) {
	- _mongoc_bson_init_if_set (reply);
	- GOTO (done);
	- }
	-
	- /* we might use mongoc_cursor_set_hint to target a secondary but have no
	- * read preference, so the secondary rejects the read. same if we have a
	- * direct connection to a secondary (topology type "single"). with
	- * OP_QUERY we handle this by setting secondaryOk. here we use
	- * $readPreference.
	- */
	- cmd_name = _mongoc_get_command_name (command);
	- is_primary =
	- !cursor->read_prefs \|\| cursor->read_prefs->mode == MONGOC_READ_PRIMARY;
	-
	- if (strcmp (cmd_name, "getMore") != 0 &&
	- server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG &&
	- is_primary && parts.user_query_flags & MONGOC_QUERY_SECONDARY_OK) {
	- parts.read_prefs = prefs =
	- mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
	- } else {
	- parts.read_prefs = cursor->read_prefs;
	- }
	-
	- is_retryable = _is_retryable_read (&parts, server_stream);
	- if (!strcmp (cmd_name, "getMore")) {
	- is_retryable = false;
	- }
	- if (!strcmp (cmd_name, "aggregate")) {
	- bson_iter_t pipeline_iter;
	- if (bson_iter_init_find (&pipeline_iter, command, "pipeline") &&
	- BSON_ITER_HOLDS_ARRAY (&pipeline_iter) &&
	- bson_iter_recurse (&pipeline_iter, &pipeline_iter)) {
	- if (_has_write_key (&pipeline_iter)) {
	- is_retryable = false;
	- }
	- }
	- }
	- if (is_retryable && retry_prohibited) {
	- is_retryable = false;
	- }
	-
	- if (cursor->write_concern &&
	- !mongoc_write_concern_is_default (cursor->write_concern) &&
	- server_stream->sd->max_wire_version >= WIRE_VERSION_CMD_WRITE_CONCERN) {
	- parts.assembled.is_acknowledged =
	- mongoc_write_concern_is_acknowledged (cursor->write_concern);
	- mongoc_write_concern_append (cursor->write_concern, &parts.extra);
	- }
	-
	- if (!mongoc_cmd_parts_assemble (&parts, server_stream, &cursor->error)) {
	- _mongoc_bson_init_if_set (reply);
	- GOTO (done);
	- }
	-
	-retry:
	- ret = mongoc_cluster_run_command_monitored (
	- &cursor->client->cluster, &parts.assembled, reply, &cursor->error);
	-
	- if (ret) {
	- memset (&cursor->error, 0, sizeof (bson_error_t));
	- }
	-
	- if (is_retryable &&
	- _mongoc_read_error_get_type (ret, &cursor->error, reply) ==
	- MONGOC_READ_ERR_RETRY) {
	- is_retryable = false;
	-
	- mongoc_server_stream_cleanup (server_stream);
	-
	- server_stream = mongoc_cluster_stream_for_reads (&cursor->client->cluster,
	- cursor->read_prefs,
	- cursor->client_session,
	- reply,
	- &cursor->error);
	-
	- if (server_stream &&
	- server_stream->sd->max_wire_version >= WIRE_VERSION_RETRY_READS) {
	- cursor->server_id = server_stream->sd->id;
	- parts.assembled.server_stream = server_stream;
	- bson_destroy (reply);
	- GOTO (retry);
	- }
	- }
	-
	- if (cursor->error.domain) {
	- bson_destroy (&cursor->error_doc);
	- bson_copy_to (reply, &cursor->error_doc);
	- }
	-
	- /* Read and Write Concern Spec: "Drivers SHOULD parse server replies for a
	- * "writeConcernError" field and report the error only in command-specific
	- * helper methods that take a separate write concern parameter or an options
	- * parameter that may contain a write concern option.
	- *
	- * Only command helpers with names like "_with_write_concern" can create
	- * cursors with a non-NULL write_concern field.
	- */
	- if (ret && cursor->write_concern) {
	- ret = !_mongoc_parse_wc_err (reply, &cursor->error);
	- }
	-
	-done:
	- mongoc_server_stream_cleanup (server_stream);
	- mongoc_cmd_parts_cleanup (&parts);
	- mongoc_read_prefs_destroy (prefs);
	- bson_free (db);
	-
	- return ret;
	-}
	-
	-
	-void
	-_mongoc_cursor_collection (const mongoc_cursor_t *cursor,
	- const char **collection,
	- int *collection_len)
	-{
	- /* ns is like "db.collection". Collection name is located past the ".". */
	- *collection = cursor->ns + (cursor->dblen + 1);
	- /* Collection name's length is ns length, minus length of db name and ".". */
	- *collection_len = cursor->nslen - cursor->dblen - 1;
	-
	- BSON_ASSERT (*collection_len > 0);
	-}
	-
	-
	-void
	-_mongoc_cursor_prepare_find_command (mongoc_cursor_t *cursor,
	- const bson_t *filter,
	- bson_t *command)
	-{
	- const char *collection;
	- int collection_len;
	-
	- _mongoc_cursor_collection (cursor, &collection, &collection_len);
	- bson_append_utf8 (command,
	- MONGOC_CURSOR_FIND,
	- MONGOC_CURSOR_FIND_LEN,
	- collection,
	- collection_len);
	- bson_append_document (
	- command, MONGOC_CURSOR_FILTER, MONGOC_CURSOR_FILTER_LEN, filter);
	-}
	-
	-
	-bool
	-mongoc_cursor_error (mongoc_cursor_t cursor, bson_error_t error)
	-{
	- ENTRY;
	-
	- RETURN (mongoc_cursor_error_document (cursor, error, NULL));
	-}
	-
	-
	-bool
	-mongoc_cursor_error_document (mongoc_cursor_t *cursor,
	- bson_error_t *error,
	- const bson_t **doc)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (cursor);
	-
	- if (BSON_UNLIKELY (CURSOR_FAILED (cursor))) {
	- bson_set_error (error,
	- cursor->error.domain,
	- cursor->error.code,
	- "%s",
	- cursor->error.message);
	-
	- if (doc) {
	- *doc = &cursor->error_doc;
	- }
	-
	- RETURN (true);
	- }
	-
	- if (doc) {
	- *doc = NULL;
	- }
	-
	- RETURN (false);
	-}
	-
	-
	-static mongoc_cursor_state_t
	-_call_transition (mongoc_cursor_t *cursor)
	-{
	- mongoc_cursor_state_t state = cursor->state;
	- _mongoc_cursor_impl_transition_t fn = NULL;
	- switch (state) {
	- case UNPRIMED:
	- fn = cursor->impl.prime;
	- break;
	- case IN_BATCH:
	- fn = cursor->impl.pop_from_batch;
	- break;
	- case END_OF_BATCH:
	- fn = cursor->impl.get_next_batch;
	- break;
	- case DONE:
	- default:
	- fn = NULL;
	- break;
	- }
	- if (!fn) {
	- return DONE;
	- }
	- state = fn (cursor);
	- if (cursor->error.domain) {
	- state = DONE;
	- }
	- return state;
	-}
	-
	-
	-bool
	-mongoc_cursor_next (mongoc_cursor_t cursor, const bson_t *bson)
	-{
	- bool ret = false;
	- bool attempted_refresh = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT (cursor);
	- BSON_ASSERT (bson);
	-
	- TRACE ("cursor_id(%" PRId64 ")", cursor->cursor_id);
	-
	- if (cursor->client_generation != cursor->client->generation) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot advance cursor after client reset");
	- RETURN (false);
	- }
	-
	- if (bson) {
	- *bson = NULL;
	- }
	-
	- if (CURSOR_FAILED (cursor)) {
	- RETURN (false);
	- }
	-
	- if (cursor->state == DONE) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CURSOR,
	- MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	- "Cannot advance a completed or failed cursor.");
	- RETURN (false);
	- }
	-
	- /*
	- * We cannot proceed if another cursor is receiving results in exhaust mode.
	- */
	- if (cursor->client->in_exhaust && !cursor->in_exhaust) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_IN_EXHAUST,
	- "Another cursor derived from this client is in exhaust.");
	- RETURN (false);
	- }
	-
	- cursor->current = NULL;
	-
	- /* if an error was set on this cursor before calling next, transition to DONE
	- * immediately. */
	- if (cursor->error.domain) {
	- cursor->state = DONE;
	- GOTO (done);
	- }
	-
	- while (cursor->state != DONE) {
	- /* even when there is no data to return, some cursors remain open and
	- * continue sending empty batches (e.g. a tailable or change stream
	- * cursor). in that case, do not attempt to get another batch. */
	- if (cursor->state == END_OF_BATCH) {
	- if (attempted_refresh) {
	- RETURN (false);
	- }
	- attempted_refresh = true;
	- }
	-
	- cursor->state = _call_transition (cursor);
	-
	- /* check if we received a document. */
	- if (cursor->current) {
	- *bson = cursor->current;
	- ret = true;
	- GOTO (done);
	- }
	-
	- if (cursor->state == DONE) {
	- GOTO (done);
	- }
	- }
	-
	-done:
	- cursor->count++;
	- RETURN (ret);
	-}
	-
	-
	-bool
	-mongoc_cursor_more (mongoc_cursor_t *cursor)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (cursor);
	-
	- if (CURSOR_FAILED (cursor)) {
	- RETURN (false);
	- }
	-
	- RETURN (cursor->state != DONE);
	-}
	-
	-
	-void
	-mongoc_cursor_get_host (mongoc_cursor_t cursor, mongoc_host_list_t host)
	-{
	- mongoc_server_description_t const *description;
	- mc_shared_tpld td;
	-
	- BSON_ASSERT (cursor);
	- BSON_ASSERT (host);
	-
	- memset (host, 0, sizeof *host);
	-
	- if (!cursor->server_id) {
	- MONGOC_WARNING ("%s(): Must send query before fetching peer.", BSON_FUNC);
	- return;
	- }
	-
	- td = mc_tpld_take_ref (cursor->client->topology);
	- description = mongoc_topology_description_server_by_id_const (
	- td.ptr, cursor->server_id, &cursor->error);
	- mc_tpld_drop_ref (&td);
	- if (!description) {
	- return;
	- }
	-
	- *host = description->host;
	-
	- EXIT;
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_cursor_clone (const mongoc_cursor_t *cursor)
	-{
	- mongoc_cursor_t *_clone;
	-
	- BSON_ASSERT (cursor);
	-
	- _clone = (mongoc_cursor_t ) bson_malloc0 (sizeof _clone);
	-
	- _clone->client = cursor->client;
	- _clone->nslen = cursor->nslen;
	- _clone->dblen = cursor->dblen;
	- _clone->explicit_session = cursor->explicit_session;
	-
	- if (cursor->read_prefs) {
	- _clone->read_prefs = mongoc_read_prefs_copy (cursor->read_prefs);
	- }
	-
	- if (cursor->read_concern) {
	- _clone->read_concern = mongoc_read_concern_copy (cursor->read_concern);
	- }
	-
	- if (cursor->write_concern) {
	- _clone->write_concern = mongoc_write_concern_copy (cursor->write_concern);
	- }
	-
	- if (cursor->explicit_session) {
	- _clone->client_session = cursor->client_session;
	- }
	-
	- bson_copy_to (&cursor->opts, &_clone->opts);
	- bson_init (&_clone->error_doc);
	-
	- _clone->ns = bson_strdup (cursor->ns);
	-
	- /* copy the context functions by default. */
	- memcpy (&_clone->impl, &cursor->impl, sizeof (cursor->impl));
	- if (cursor->impl.clone) {
	- cursor->impl.clone (&_clone->impl, &cursor->impl);
	- }
	-
	- mongoc_counter_cursors_active_inc ();
	-
	- RETURN (_clone);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_cursor_is_alive --
	- *
	- * Deprecated for mongoc_cursor_more.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_cursor_is_alive (const mongoc_cursor_t cursor) / IN */
	-{
	- return mongoc_cursor_more ((mongoc_cursor_t *) cursor);
	-}
	-
	-
	-const bson_t *
	-mongoc_cursor_current (const mongoc_cursor_t cursor) / IN */
	-{
	- BSON_ASSERT (cursor);
	-
	- return cursor->current;
	-}
	-
	-
	-void
	-mongoc_cursor_set_batch_size (mongoc_cursor_t *cursor, uint32_t batch_size)
	-{
	- BSON_ASSERT (cursor);
	-
	- _mongoc_cursor_set_opt_int64 (
	- cursor, MONGOC_CURSOR_BATCH_SIZE, (int64_t) batch_size);
	-}
	-
	-
	-uint32_t
	-mongoc_cursor_get_batch_size (const mongoc_cursor_t *cursor)
	-{
	- BSON_ASSERT (cursor);
	-
	- return (uint32_t) _mongoc_cursor_get_opt_int64 (
	- cursor, MONGOC_CURSOR_BATCH_SIZE, 0);
	-}
	-
	-
	-bool
	-mongoc_cursor_set_limit (mongoc_cursor_t *cursor, int64_t limit)
	-{
	- BSON_ASSERT (cursor);
	-
	- if (cursor->state == UNPRIMED) {
	- if (limit < 0) {
	- return _mongoc_cursor_set_opt_int64 (
	- cursor, MONGOC_CURSOR_LIMIT, -limit) &&
	- _mongoc_cursor_set_opt_bool (
	- cursor, MONGOC_CURSOR_SINGLE_BATCH, true);
	- } else {
	- return _mongoc_cursor_set_opt_int64 (
	- cursor, MONGOC_CURSOR_LIMIT, limit);
	- }
	- } else {
	- return false;
	- }
	-}
	-
	-
	-int64_t
	-mongoc_cursor_get_limit (const mongoc_cursor_t *cursor)
	-{
	- int64_t limit;
	- bool single_batch;
	-
	- BSON_ASSERT (cursor);
	-
	- limit = _mongoc_cursor_get_opt_int64 (cursor, MONGOC_CURSOR_LIMIT, 0);
	- single_batch =
	- _mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_SINGLE_BATCH);
	-
	- if (limit > 0 && single_batch) {
	- limit = -limit;
	- }
	-
	- return limit;
	-}
	-
	-
	-bool
	-mongoc_cursor_set_hint (mongoc_cursor_t *cursor, uint32_t server_id)
	-{
	- BSON_ASSERT (cursor);
	-
	- if (cursor->server_id) {
	- MONGOC_ERROR ("mongoc_cursor_set_hint: server_id already set");
	- return false;
	- }
	-
	- if (!server_id) {
	- MONGOC_ERROR ("mongoc_cursor_set_hint: cannot set server_id to 0");
	- return false;
	- }
	-
	- cursor->server_id = server_id;
	-
	- return true;
	-}
	-
	-
	-uint32_t
	-mongoc_cursor_get_hint (const mongoc_cursor_t *cursor)
	-{
	- BSON_ASSERT (cursor);
	-
	- return cursor->server_id;
	-}
	-
	-
	-int64_t
	-mongoc_cursor_get_id (const mongoc_cursor_t *cursor)
	-{
	- BSON_ASSERT (cursor);
	-
	- return cursor->cursor_id;
	-}
	-
	-
	-void
	-mongoc_cursor_set_max_await_time_ms (mongoc_cursor_t *cursor,
	- uint32_t max_await_time_ms)
	-{
	- BSON_ASSERT (cursor);
	-
	- if (cursor->state == UNPRIMED) {
	- _mongoc_cursor_set_opt_int64 (
	- cursor, MONGOC_CURSOR_MAX_AWAIT_TIME_MS, (int64_t) max_await_time_ms);
	- }
	-}
	-
	-
	-uint32_t
	-mongoc_cursor_get_max_await_time_ms (const mongoc_cursor_t *cursor)
	-{
	- bson_iter_t iter;
	-
	- BSON_ASSERT (cursor);
	-
	- if (bson_iter_init_find (
	- &iter, &cursor->opts, MONGOC_CURSOR_MAX_AWAIT_TIME_MS)) {
	- return (uint32_t) bson_iter_as_int64 (&iter);
	- }
	-
	- return 0;
	-}
	-
	-
	-/* deprecated for mongoc_cursor_new_from_command_reply_with_opts */
	-mongoc_cursor_t *
	-mongoc_cursor_new_from_command_reply (mongoc_client_t *client,
	- bson_t *reply,
	- uint32_t server_id)
	-{
	- mongoc_cursor_t *cursor;
	- bson_t cmd = BSON_INITIALIZER;
	- bson_t opts = BSON_INITIALIZER;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (reply);
	- /* options are passed through by adding them to reply. */
	- bson_copy_to_excluding_noinit (reply,
	- &opts,
	- "cursor",
	- "ok",
	- "operationTime",
	- "$clusterTime",
	- "$gleStats",
	- NULL);
	-
	- if (server_id) {
	- bson_append_int64 (&opts, "serverId", 8, server_id);
	- }
	-
	- cursor = _mongoc_cursor_cmd_new_from_reply (client, &cmd, &opts, reply);
	- bson_destroy (&cmd);
	- bson_destroy (&opts);
	-
	- return cursor;
	-}
	-
	-
	-mongoc_cursor_t *
	-mongoc_cursor_new_from_command_reply_with_opts (mongoc_client_t *client,
	- bson_t *reply,
	- const bson_t *opts)
	-{
	- mongoc_cursor_t *cursor;
	- bson_t cmd = BSON_INITIALIZER;
	-
	- BSON_ASSERT (client);
	- BSON_ASSERT (reply);
	-
	- cursor = _mongoc_cursor_cmd_new_from_reply (client, &cmd, opts, reply);
	- bson_destroy (&cmd);
	-
	- return cursor;
	-}
	-
	-
	-bool
	-_mongoc_cursor_start_reading_response (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_t *response)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	- const char *ns;
	- uint32_t nslen;
	- bool in_batch = false;
	-
	- if (bson_iter_init_find (&iter, &response->reply, "cursor") &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter) && bson_iter_recurse (&iter, &child)) {
	- while (bson_iter_next (&child)) {
	- if (BSON_ITER_IS_KEY (&child, "id")) {
	- cursor->cursor_id = bson_iter_as_int64 (&child);
	- } else if (BSON_ITER_IS_KEY (&child, "ns")) {
	- ns = bson_iter_utf8 (&child, &nslen);
	- _mongoc_set_cursor_ns (cursor, ns, nslen);
	- } else if (BSON_ITER_IS_KEY (&child, "firstBatch") \|\|
	- BSON_ITER_IS_KEY (&child, "nextBatch")) {
	- if (BSON_ITER_HOLDS_ARRAY (&child) &&
	- bson_iter_recurse (&child, &response->batch_iter)) {
	- in_batch = true;
	- }
	- }
	- }
	- }
	-
	- /* Driver Sessions Spec: "When an implicit session is associated with a
	- * cursor for use with getMore operations, the session MUST be returned to
	- * the pool immediately following a getMore operation that indicates that the
	- * cursor has been exhausted." */
	- if (cursor->cursor_id == 0 && cursor->client_session &&
	- !cursor->explicit_session) {
	- mongoc_client_session_destroy (cursor->client_session);
	- cursor->client_session = NULL;
	- }
	-
	- return in_batch;
	-}
	-
	-
	-void
	-_mongoc_cursor_response_read (mongoc_cursor_t *cursor,
	- mongoc_cursor_response_t *response,
	- const bson_t **bson)
	-{
	- const uint8_t *data = NULL;
	- uint32_t data_len = 0;
	-
	- ENTRY;
	-
	- if (bson_iter_next (&response->batch_iter) &&
	- BSON_ITER_HOLDS_DOCUMENT (&response->batch_iter)) {
	- bson_iter_document (&response->batch_iter, &data_len, &data);
	-
	- /* bson_iter_next guarantees valid BSON, so this must succeed */
	- BSON_ASSERT (bson_init_static (&response->current_doc, data, data_len));
	- *bson = &response->current_doc;
	- }
	-}
	-
	-/* sets cursor error if could not get the next batch. */
	-void
	-_mongoc_cursor_response_refresh (mongoc_cursor_t *cursor,
	- const bson_t *command,
	- const bson_t *opts,
	- mongoc_cursor_response_t *response)
	-{
	- ENTRY;
	-
	- bson_destroy (&response->reply);
	-
	- /* server replies to find / aggregate with {cursor: {id: N, firstBatch: []}},
	- * to getMore command with {cursor: {id: N, nextBatch: []}}. */
	- if (_mongoc_cursor_run_command (
	- cursor, command, opts, &response->reply, false) &&
	- _mongoc_cursor_start_reading_response (cursor, response)) {
	- return;
	- }
	- if (!cursor->error.domain) {
	- bson_set_error (&cursor->error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Invalid reply to %s command.",
	- _mongoc_get_command_name (command));
	- }
	-}
	-
	-void
	-_mongoc_cursor_prepare_getmore_command (mongoc_cursor_t *cursor,
	- bson_t *command)
	-{
	- const char *collection;
	- int collection_len;
	- int64_t batch_size;
	- bool await_data;
	- int64_t max_await_time_ms;
	-
	- ENTRY;
	-
	- _mongoc_cursor_collection (cursor, &collection, &collection_len);
	-
	- bson_init (command);
	- bson_append_int64 (command, "getMore", 7, mongoc_cursor_get_id (cursor));
	- bson_append_utf8 (command, "collection", 10, collection, collection_len);
	-
	- batch_size = mongoc_cursor_get_batch_size (cursor);
	-
	- /* See find, getMore, and killCursors Spec for batchSize rules */
	- if (batch_size) {
	- bson_append_int64 (command,
	- MONGOC_CURSOR_BATCH_SIZE,
	- MONGOC_CURSOR_BATCH_SIZE_LEN,
	- abs (_mongoc_n_return (cursor)));
	- }
	-
	- /* Find, getMore And killCursors Commands Spec: "In the case of a tailable
	- cursor with awaitData == true the driver MUST provide a Cursor level
	- option named maxAwaitTimeMS (See CRUD specification for details). The
	- maxTimeMS option on the getMore command MUST be set to the value of the
	- option maxAwaitTimeMS. If no maxAwaitTimeMS is specified, the driver
	- SHOULD not set maxTimeMS on the getMore command."
	- */
	- await_data = _mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_TAILABLE) &&
	- _mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_AWAIT_DATA);
	-
	- if (await_data) {
	- max_await_time_ms = _mongoc_cursor_get_opt_int64 (
	- cursor, MONGOC_CURSOR_MAX_AWAIT_TIME_MS, 0);
	- if (max_await_time_ms) {
	- bson_append_int64 (command,
	- MONGOC_CURSOR_MAX_TIME_MS,
	- MONGOC_CURSOR_MAX_TIME_MS_LEN,
	- max_await_time_ms);
	- }
	- }
	-}
	-
	-/* sets the cursor to be empty so it returns NULL on the first call to
	- * cursor_next but does not return an error. */
	-void
	-_mongoc_cursor_set_empty (mongoc_cursor_t *cursor)
	-{
	- memset (&cursor->error, 0, sizeof (bson_error_t));
	- bson_reinit (&cursor->error_doc);
	- cursor->state = IN_BATCH;
	-}
	-
	-void
	-_mongoc_cursor_prime (mongoc_cursor_t *cursor)
	-{
	- cursor->state = cursor->impl.prime (cursor);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.c
	deleted file mode 100644
	index 477f11ea..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.c
	+++ /dev/null
	@@ -1,712 +0,0 @@
	-/*
	- * Copyright 2016-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#ifdef _POSIX_VERSION
	-#include <sys/utsname.h>
	-#endif
	-
	-#ifdef _WIN32
	-#include <windows.h>
	-#endif
	-
	-#include "mongoc-linux-distro-scanner-private.h"
	-#include "mongoc-handshake.h"
	-#include "mongoc-handshake-compiler-private.h"
	-#include "mongoc-handshake-os-private.h"
	-#include "mongoc-handshake-private.h"
	-#include "mongoc-client.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-error.h"
	-#include "mongoc-log.h"
	-#include "mongoc-version.h"
	-#include "mongoc-util-private.h"
	-
	-/*
	- * Global handshake data instance. Initialized at startup from mongoc_init
	- *
	- * Can be modified by calls to mongoc_handshake_data_append
	- */
	-static mongoc_handshake_t gMongocHandshake;
	-
	-/*
	- * Used for thread-safety in mongoc_handshake_data_append
	- */
	-static bson_mutex_t gHandshakeLock;
	-
	-static void
	-_set_bit (uint8_t *bf, uint32_t byte_count, uint32_t bit)
	-{
	- uint32_t byte = bit / 8;
	- uint32_t bit_of_byte = (bit) % 8;
	- /* byte 0 is the last location in bf. */
	- bf[(byte_count - 1) - byte] \|= 1u << bit_of_byte;
	-}
	-
	-/* returns a hex string for all config flag bits, which must be freed. */
	-char *
	-_mongoc_handshake_get_config_hex_string (void)
	-{
	- uint32_t byte_count;
	- uint8_t *bf;
	- bson_string_t *str;
	- int i;
	-
	- byte_count = (LAST_MONGOC_MD_FLAG + 7) / 8; /* ceil (num_bits / 8) */
	- /* allocate enough bytes to fit all config bits. */
	- bf = (uint8_t *) bson_malloc0 (byte_count);
	-
	-#ifdef MONGOC_ENABLE_SSL_SECURE_CHANNEL
	- _set_bit (bf, byte_count, MONGOC_ENABLE_SSL_SECURE_CHANNEL);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO_CNG
	- _set_bit (bf, byte_count, MONGOC_ENABLE_CRYPTO_CNG);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SSL_SECURE_TRANSPORT
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL_SECURE_TRANSPORT);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO_COMMON_CRYPTO);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SSL_OPENSSL
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL_OPENSSL);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO_LIBCRYPTO);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SSL
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO_SYSTEM_PROFILE);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SASL
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SASL);
	-#endif
	-
	-#ifdef MONGOC_HAVE_SASL_CLIENT_DONE
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_HAVE_SASL_CLIENT_DONE);
	-#endif
	-
	-#ifdef MONGOC_NO_AUTOMATIC_GLOBALS
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_NO_AUTOMATIC_GLOBALS);
	-#endif
	-
	-#ifdef MONGOC_EXPERIMENTAL_FEATURES
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_EXPERIMENTAL_FEATURES);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SSL_LIBRESSL
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL_LIBRESSL);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SASL_CYRUS
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SASL_CYRUS);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SASL_SSPI
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SASL_SSPI);
	-#endif
	-
	-#ifdef MONGOC_HAVE_SOCKLEN
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_HAVE_SOCKLEN);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_COMPRESSION
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_COMPRESSION);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_COMPRESSION_SNAPPY
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_COMPRESSION_SNAPPY);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_COMPRESSION_ZLIB
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_COMPRESSION_ZLIB);
	-#endif
	-
	-#ifdef MONGOC_HAVE_RES_NSEARCH
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_NSEARCH);
	-#endif
	-
	-#ifdef MONGOC_HAVE_RES_NDESTROY
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_NDESTROY);
	-#endif
	-
	-#ifdef MONGOC_HAVE_RES_NCLOSE
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_NCLOSE);
	-#endif
	-
	-#ifdef MONGOC_HAVE_RES_SEARCH
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_SEARCH);
	-#endif
	-
	-#ifdef MONGOC_HAVE_DNSAPI
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_DNSAPI);
	-#endif
	-
	-#ifdef MONGOC_HAVE_RDTSCP
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RDTSCP);
	-#endif
	-
	-#ifdef MONGOC_HAVE_SCHED_GETCPU
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_HAVE_SCHED_GETCPU);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_SHM_COUNTERS
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SHM_COUNTERS);
	-#endif
	-
	-#ifdef MONGOC_TRACE
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_TRACE);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_ICU
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_ICU);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CLIENT_SIDE_ENCRYPTION);
	-#endif
	-
	-#ifdef MONGOC_ENABLE_MONGODB_AWS_AUTH
	- _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_MONGODB_AWS_AUTH);
	-#endif
	-
	- str = bson_string_new ("0x");
	- for (i = 0; i < byte_count; i++) {
	- bson_string_append_printf (str, "%02x", bf[i]);
	- }
	- bson_free (bf);
	- /* free the bson_string_t, but keep the underlying char* alive. */
	- return bson_string_free (str, false);
	-}
	-
	-static char *
	-_get_os_type (void)
	-{
	-#ifdef MONGOC_OS_TYPE
	- return bson_strndup (MONGOC_OS_TYPE, HANDSHAKE_OS_TYPE_MAX);
	-#else
	- return bson_strndup ("unknown", HANDSHAKE_OS_TYPE_MAX);
	-#endif
	-}
	-
	-static char *
	-_get_os_architecture (void)
	-{
	- const char *ret = NULL;
	-
	-#ifdef _WIN32
	- SYSTEM_INFO system_info;
	- DWORD arch;
	- GetSystemInfo (&system_info);
	-
	- arch = system_info.wProcessorArchitecture;
	-
	- switch (arch) {
	- case PROCESSOR_ARCHITECTURE_AMD64:
	- ret = "x86_64";
	- break;
	- case PROCESSOR_ARCHITECTURE_ARM:
	- ret = "ARM";
	- break;
	- case PROCESSOR_ARCHITECTURE_IA64:
	- ret = "IA64";
	- break;
	- case PROCESSOR_ARCHITECTURE_INTEL:
	- ret = "x86";
	- break;
	- case PROCESSOR_ARCHITECTURE_UNKNOWN:
	- ret = "Unknown";
	- break;
	- default:
	- ret = "Other";
	- break;
	- }
	-
	-#elif defined(_POSIX_VERSION)
	- struct utsname system_info;
	-
	- if (uname (&system_info) >= 0) {
	- ret = system_info.machine;
	- }
	-
	-#endif
	-
	- if (ret) {
	- return bson_strndup (ret, HANDSHAKE_OS_ARCHITECTURE_MAX);
	- }
	-
	- return NULL;
	-}
	-
	-#ifndef MONGOC_OS_IS_LINUX
	-static char *
	-_get_os_name (void)
	-{
	-#ifdef MONGOC_OS_NAME
	- return bson_strndup (MONGOC_OS_NAME, HANDSHAKE_OS_NAME_MAX);
	-#elif defined(_POSIX_VERSION)
	- struct utsname system_info;
	-
	- if (uname (&system_info) >= 0) {
	- return bson_strndup (system_info.sysname, HANDSHAKE_OS_NAME_MAX);
	- }
	-
	-#endif
	-
	- return NULL;
	-}
	-
	-static char *
	-_get_os_version (void)
	-{
	- char *ret = bson_malloc (HANDSHAKE_OS_VERSION_MAX);
	- bool found = false;
	-
	-#ifdef _WIN32
	- OSVERSIONINFO osvi;
	- ZeroMemory (&osvi, sizeof (OSVERSIONINFO));
	- osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
	-
	- if (GetVersionEx (&osvi)) {
	- bson_snprintf (ret,
	- HANDSHAKE_OS_VERSION_MAX,
	- "%lu.%lu (%lu)",
	- osvi.dwMajorVersion,
	- osvi.dwMinorVersion,
	- osvi.dwBuildNumber);
	- found = true;
	- } else {
	- MONGOC_WARNING ("Error with GetVersionEx(): %lu", GetLastError ());
	- }
	-
	-#elif defined(_POSIX_VERSION)
	- struct utsname system_info;
	-
	- if (uname (&system_info) >= 0) {
	- bson_strncpy (ret, system_info.release, HANDSHAKE_OS_VERSION_MAX);
	- found = true;
	- } else {
	- MONGOC_WARNING ("Error with uname(): %d", errno);
	- }
	-
	-#endif
	-
	- if (!found) {
	- bson_free (ret);
	- ret = NULL;
	- }
	-
	- return ret;
	-}
	-#endif
	-
	-static void
	-_get_system_info (mongoc_handshake_t *handshake)
	-{
	- handshake->os_type = _get_os_type ();
	-
	-#ifdef MONGOC_OS_IS_LINUX
	- _mongoc_linux_distro_scanner_get_distro (&handshake->os_name,
	- &handshake->os_version);
	-#else
	- handshake->os_name = _get_os_name ();
	- handshake->os_version = _get_os_version ();
	-#endif
	-
	- handshake->os_architecture = _get_os_architecture ();
	-}
	-
	-static void
	-_free_system_info (mongoc_handshake_t *handshake)
	-{
	- bson_free (handshake->os_type);
	- bson_free (handshake->os_name);
	- bson_free (handshake->os_version);
	- bson_free (handshake->os_architecture);
	-}
	-
	-static void
	-_get_driver_info (mongoc_handshake_t *handshake)
	-{
	- handshake->driver_name = bson_strndup ("mongoc", HANDSHAKE_DRIVER_NAME_MAX);
	- handshake->driver_version =
	- bson_strndup (MONGOC_VERSION_S, HANDSHAKE_DRIVER_VERSION_MAX);
	-}
	-
	-static void
	-_free_driver_info (mongoc_handshake_t *handshake)
	-{
	- bson_free (handshake->driver_name);
	- bson_free (handshake->driver_version);
	-}
	-
	-static void
	-_set_platform_string (mongoc_handshake_t *handshake)
	-{
	- bson_string_t *str;
	-
	- str = bson_string_new ("");
	-
	- handshake->platform = bson_string_free (str, false);
	-}
	-
	-static void
	-_set_compiler_info (mongoc_handshake_t *handshake)
	-{
	- bson_string_t *str;
	- char *config_str;
	-
	- str = bson_string_new ("");
	-
	- config_str = _mongoc_handshake_get_config_hex_string ();
	- bson_string_append_printf (str, "cfg=%s", config_str);
	- bson_free (config_str);
	-
	-#ifdef _POSIX_VERSION
	- bson_string_append_printf (str, " posix=%ld", _POSIX_VERSION);
	-#endif
	-
	-#ifdef __STDC_VERSION__
	- bson_string_append_printf (str, " stdc=%ld", __STDC_VERSION__);
	-#endif
	-
	- bson_string_append_printf (str, " CC=%s", MONGOC_COMPILER);
	-
	-#ifdef MONGOC_COMPILER_VERSION
	- bson_string_append_printf (str, " %s", MONGOC_COMPILER_VERSION);
	-#endif
	- handshake->compiler_info = bson_string_free (str, false);
	-}
	-
	-static void
	-_set_flags (mongoc_handshake_t *handshake)
	-{
	- bson_string_t *str;
	-
	- str = bson_string_new ("");
	-
	- if (strlen (MONGOC_EVALUATE_STR (MONGOC_USER_SET_CFLAGS)) > 0) {
	- bson_string_append_printf (
	- str, " CFLAGS=%s", MONGOC_EVALUATE_STR (MONGOC_USER_SET_CFLAGS));
	- }
	-
	- if (strlen (MONGOC_EVALUATE_STR (MONGOC_USER_SET_LDFLAGS)) > 0) {
	- bson_string_append_printf (
	- str, " LDFLAGS=%s", MONGOC_EVALUATE_STR (MONGOC_USER_SET_LDFLAGS));
	- }
	-
	- handshake->flags = bson_string_free (str, false);
	-}
	-
	-static void
	-_free_platform_string (mongoc_handshake_t *handshake)
	-{
	- bson_free (handshake->platform);
	- bson_free (handshake->compiler_info);
	- bson_free (handshake->flags);
	-}
	-
	-void
	-_mongoc_handshake_init (void)
	-{
	- _get_system_info (_mongoc_handshake_get ());
	- _get_driver_info (_mongoc_handshake_get ());
	- _set_platform_string (_mongoc_handshake_get ());
	- _set_compiler_info (_mongoc_handshake_get ());
	- _set_flags (_mongoc_handshake_get ());
	-
	- _mongoc_handshake_get ()->frozen = false;
	- bson_mutex_init (&gHandshakeLock);
	-}
	-
	-void
	-_mongoc_handshake_cleanup (void)
	-{
	- _free_system_info (_mongoc_handshake_get ());
	- _free_driver_info (_mongoc_handshake_get ());
	- _free_platform_string (_mongoc_handshake_get ());
	-
	- bson_mutex_destroy (&gHandshakeLock);
	-}
	-
	-static void
	-_append_platform_field (bson_t doc, const char platform)
	-{
	- int max_platform_str_size;
	-
	- char *compiler_info = _mongoc_handshake_get ()->compiler_info;
	- char *flags = _mongoc_handshake_get ()->flags;
	- bson_string_t *combined_platform = bson_string_new (platform);
	-
	- /* Compute space left for platform field */
	- max_platform_str_size =
	- HANDSHAKE_MAX_SIZE - ((int) doc->len +
	- /* 1 byte for utf8 tag */
	- 1 +
	-
	- /* key size */
	- (int) strlen (HANDSHAKE_PLATFORM_FIELD) + 1 +
	-
	- /* 4 bytes for length of string */
	- 4);
	-
	- if (max_platform_str_size <= 0) {
	- bson_string_free (combined_platform, true);
	- return;
	- }
	-
	- /* We opt to drop compiler info and flags if they can't fit, while the
	- * platform information is truncated
	- * Try to drop flags first, and if there is still not enough space also drop
	- * compiler info */
	- if (max_platform_str_size >
	- combined_platform->len + strlen (compiler_info) + 1) {
	- bson_string_append (combined_platform, compiler_info);
	- }
	- if (max_platform_str_size > combined_platform->len + strlen (flags) + 1) {
	- bson_string_append (combined_platform, flags);
	- }
	-
	- /* We use the flags_index field to check if the CLAGS/LDFLAGS need to be
	- * truncated, and if so we drop them altogether */
	- bson_append_utf8 (
	- doc,
	- HANDSHAKE_PLATFORM_FIELD,
	- -1,
	- combined_platform->str,
	- BSON_MIN (max_platform_str_size - 1, combined_platform->len));
	-
	- bson_string_free (combined_platform, true);
	- BSON_ASSERT (doc->len <= HANDSHAKE_MAX_SIZE);
	-}
	-
	-/*
	- * Return true if we build the document, and it's not too big
	- * false if there's no way to prevent the doc from being too big. In this
	- * case, the caller shouldn't include it with hello
	- */
	-bool
	-_mongoc_handshake_build_doc_with_application (bson_t doc, const char appname)
	-{
	- const mongoc_handshake_t *md = _mongoc_handshake_get ();
	- bson_t child;
	-
	- if (appname) {
	- BSON_APPEND_DOCUMENT_BEGIN (doc, "application", &child);
	- BSON_APPEND_UTF8 (&child, "name", appname);
	- bson_append_document_end (doc, &child);
	- }
	-
	- BSON_APPEND_DOCUMENT_BEGIN (doc, "driver", &child);
	- BSON_APPEND_UTF8 (&child, "name", md->driver_name);
	- BSON_APPEND_UTF8 (&child, "version", md->driver_version);
	- bson_append_document_end (doc, &child);
	-
	- BSON_APPEND_DOCUMENT_BEGIN (doc, "os", &child);
	-
	- BSON_ASSERT (md->os_type);
	- BSON_APPEND_UTF8 (&child, "type", md->os_type);
	-
	- if (md->os_name) {
	- BSON_APPEND_UTF8 (&child, "name", md->os_name);
	- }
	-
	- if (md->os_version) {
	- BSON_APPEND_UTF8 (&child, "version", md->os_version);
	- }
	-
	- if (md->os_architecture) {
	- BSON_APPEND_UTF8 (&child, "architecture", md->os_architecture);
	- }
	-
	- bson_append_document_end (doc, &child);
	-
	- if (doc->len > HANDSHAKE_MAX_SIZE) {
	- /* We've done all we can possibly do to ensure the current
	- * document is below the maxsize, so if it overflows there is
	- * nothing else we can do, so we fail */
	- return false;
	- }
	-
	- if (md->platform) {
	- _append_platform_field (doc, md->platform);
	- }
	-
	- return true;
	-}
	-
	-void
	-_mongoc_handshake_freeze (void)
	-{
	- _mongoc_handshake_get ()->frozen = true;
	-}
	-
	-/*
	- * free (s) and make s point to *s concated with suffix.
	- * If *s is NULL it's treated like it's an empty string.
	- */
	-static void
	-_append_and_truncate (char *s, const char suffix, int max_len)
	-{
	- char old_str = s;
	- char *prefix;
	- const int delim_len = (int) strlen (" / ");
	- int space_for_suffix;
	-
	- BSON_ASSERT_PARAM (s);
	- BSON_ASSERT_PARAM (suffix);
	-
	- prefix = old_str ? old_str : "";
	-
	- space_for_suffix = max_len - (int) strlen (prefix) - delim_len;
	-
	- if (space_for_suffix <= 0) {
	- /* the old string already takes the whole allotted space */
	- return;
	- }
	-
	- s = bson_strdup_printf ("%s / %.s", prefix, space_for_suffix, suffix);
	- BSON_ASSERT (strlen (*s) <= max_len);
	-
	- bson_free (old_str);
	-}
	-
	-
	-/*
	- * Set some values in our global handshake struct. These values will be sent
	- * to the server as part of the initial connection handshake (hello).
	- * If this function is called more than once, or after we've connected to a
	- * mongod, then it will do nothing and return false. It will return true if it
	- * successfully sets the values.
	- *
	- * All arguments are optional.
	- */
	-bool
	-mongoc_handshake_data_append (const char *driver_name,
	- const char *driver_version,
	- const char *platform)
	-{
	- int platform_space;
	-
	- bson_mutex_lock (&gHandshakeLock);
	-
	- if (_mongoc_handshake_get ()->frozen) {
	- bson_mutex_unlock (&gHandshakeLock);
	- return false;
	- }
	-
	- BSON_ASSERT (_mongoc_handshake_get ()->platform);
	-
	- /* allow practically any size for "platform", we'll trim it down in
	- * _mongoc_handshake_build_doc_with_application */
	- platform_space =
	- HANDSHAKE_MAX_SIZE - (int) strlen (_mongoc_handshake_get ()->platform);
	-
	- if (platform) {
	- /* we check for an empty string as a special case to avoid an unnecessary
	- * delimiter being added in front of the string by _append_and_truncate */
	- if (_mongoc_handshake_get ()->platform[0] == '\0') {
	- bson_free (_mongoc_handshake_get ()->platform);
	- _mongoc_handshake_get ()->platform =
	- bson_strdup_printf ("%.*s", platform_space, platform);
	- } else {
	- _append_and_truncate (
	- &_mongoc_handshake_get ()->platform, platform, HANDSHAKE_MAX_SIZE);
	- }
	- }
	-
	- if (driver_name) {
	- _append_and_truncate (&_mongoc_handshake_get ()->driver_name,
	- driver_name,
	- HANDSHAKE_DRIVER_NAME_MAX);
	- }
	-
	- if (driver_version) {
	- _append_and_truncate (&_mongoc_handshake_get ()->driver_version,
	- driver_version,
	- HANDSHAKE_DRIVER_VERSION_MAX);
	- }
	-
	- _mongoc_handshake_freeze ();
	- bson_mutex_unlock (&gHandshakeLock);
	-
	- return true;
	-}
	-
	-mongoc_handshake_t *
	-_mongoc_handshake_get (void)
	-{
	- return &gMongocHandshake;
	-}
	-
	-bool
	-_mongoc_handshake_appname_is_valid (const char *appname)
	-{
	- return strlen (appname) <= MONGOC_HANDSHAKE_APPNAME_MAX;
	-}
	-
	-void
	-_mongoc_handshake_append_sasl_supported_mechs (const mongoc_uri_t *uri,
	- bson_t *cmd)
	-{
	- const char *username;
	- char *db_user;
	- username = mongoc_uri_get_username (uri);
	- db_user =
	- bson_strdup_printf ("%s.%s", mongoc_uri_get_auth_source (uri), username);
	- bson_append_utf8 (cmd, "saslSupportedMechs", 18, db_user, -1);
	- bson_free (db_user);
	-}
	-
	-void
	-_mongoc_handshake_parse_sasl_supported_mechs (
	- const bson_t *hello,
	- mongoc_handshake_sasl_supported_mechs_t *sasl_supported_mechs)
	-{
	- bson_iter_t iter;
	- memset (sasl_supported_mechs, 0, sizeof (*sasl_supported_mechs));
	- if (bson_iter_init_find (&iter, hello, "saslSupportedMechs")) {
	- bson_iter_t array_iter;
	- if (BSON_ITER_HOLDS_ARRAY (&iter) &&
	- bson_iter_recurse (&iter, &array_iter)) {
	- while (bson_iter_next (&array_iter)) {
	- if (BSON_ITER_HOLDS_UTF8 (&array_iter)) {
	- const char *mechanism_name = bson_iter_utf8 (&array_iter, NULL);
	- if (0 == strcmp (mechanism_name, "SCRAM-SHA-256")) {
	- sasl_supported_mechs->scram_sha_256 = true;
	- } else if (0 == strcmp (mechanism_name, "SCRAM-SHA-1")) {
	- sasl_supported_mechs->scram_sha_1 = true;
	- }
	- }
	- }
	- }
	- }
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list-private.h
	deleted file mode 100644
	index b830a7e5..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list-private.h
	+++ /dev/null
	@@ -1,77 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_HOST_LIST_PRIVATE_H
	-#define MONGOC_HOST_LIST_PRIVATE_H
	-
	-#include "mongoc-host-list.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-mongoc_host_list_t *
	-_mongoc_host_list_push (const char *host,
	- uint16_t port,
	- int family,
	- mongoc_host_list_t *next);
	-
	-void
	-_mongoc_host_list_upsert (mongoc_host_list_t **list,
	- const mongoc_host_list_t *new_host);
	-
	-mongoc_host_list_t *
	-_mongoc_host_list_copy_all (const mongoc_host_list_t *src);
	-
	-bool
	-_mongoc_host_list_from_string (mongoc_host_list_t *host_list,
	- const char *host_and_port);
	-
	-bool
	-_mongoc_host_list_from_string_with_err (mongoc_host_list_t *host_list,
	- const char *host_and_port,
	- bson_error_t *error);
	-
	-bool
	-_mongoc_host_list_from_hostport_with_err (mongoc_host_list_t *host_list,
	- const char *host,
	- uint16_t port,
	- bson_error_t *error);
	-
	-int
	-_mongoc_host_list_length (mongoc_host_list_t *list);
	-
	-bool
	-_mongoc_host_list_compare_one (const mongoc_host_list_t *host_a,
	- const mongoc_host_list_t *host_b);
	-
	-void
	-_mongoc_host_list_remove_host (mongoc_host_list_t **phosts,
	- const char *host,
	- uint16_t port);
	-
	-void
	-_mongoc_host_list_destroy_all (mongoc_host_list_t *host);
	-
	-bool
	-_mongoc_host_list_contains_one (mongoc_host_list_t *host_list,
	- mongoc_host_list_t *host);
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_HOST_LIST_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.c
	deleted file mode 100644
	index 2d17f846..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.c
	+++ /dev/null
	@@ -1,397 +0,0 @@
	-/*
	- * Copyright 2015 MongoDB Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-host-list-private.h"
	-/* strcasecmp on windows */
	-#include "mongoc-util-private.h"
	-#include "utlist.h"
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_host_list_push --
	- *
	- * Add a host to the front of the list and return it.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-mongoc_host_list_t *
	-_mongoc_host_list_push (const char *host,
	- uint16_t port,
	- int family,
	- mongoc_host_list_t *next)
	-{
	- mongoc_host_list_t *h;
	-
	- BSON_ASSERT (host);
	-
	- h = bson_malloc0 (sizeof (mongoc_host_list_t));
	- bson_strncpy (h->host, host, sizeof h->host);
	- h->port = port;
	- bson_snprintf (
	- h->host_and_port, sizeof h->host_and_port, "%s:%hu", host, port);
	-
	- h->family = family;
	- h->next = next;
	-
	- return h;
	-}
	-
	-static mongoc_host_list_t *
	-_mongoc_host_list_find_host_and_port (mongoc_host_list_t *hosts,
	- const char *host_and_port)
	-{
	- mongoc_host_list_t *iter;
	- LL_FOREACH (hosts, iter)
	- {
	- BSON_ASSERT (iter);
	-
	- if (strcasecmp (iter->host_and_port, host_and_port) == 0) {
	- return iter;
	- }
	- }
	-
	- return NULL;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_host_list_upsert --
	- *
	- * If new_host is not already in list, copy and add it to the end of list.
	- * If *list == NULL, then it will be set to a new host.
	- *
	- * Returns:
	- * Nothing.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_mongoc_host_list_upsert (mongoc_host_list_t **list,
	- const mongoc_host_list_t *new_host)
	-{
	- mongoc_host_list_t *link = NULL;
	- mongoc_host_list_t *next_link = NULL;
	-
	- BSON_ASSERT (list);
	- if (!new_host) {
	- return;
	- }
	-
	- link = _mongoc_host_list_find_host_and_port (*list, new_host->host_and_port);
	-
	- if (!link) {
	- link = bson_malloc0 (sizeof (mongoc_host_list_t));
	- LL_APPEND (*list, link);
	- } else {
	- /* Make sure linking is preserved when copying data into final. */
	- next_link = link->next;
	- }
	-
	- memcpy (link, new_host, sizeof (mongoc_host_list_t));
	- link->next = next_link;
	-}
	-
	-
	-/* Duplicates a host list.
	- */
	-mongoc_host_list_t *
	-_mongoc_host_list_copy_all (const mongoc_host_list_t *src)
	-{
	- mongoc_host_list_t *tail = NULL;
	- const mongoc_host_list_t *src_iter;
	- mongoc_host_list_t *head = NULL;
	-
	- LL_FOREACH (src, src_iter)
	- {
	- tail = bson_malloc0 (sizeof (mongoc_host_list_t));
	- memcpy (tail, src_iter, sizeof (mongoc_host_list_t));
	-
	- LL_PREPEND (head, tail);
	- }
	-
	- return head;
	-}
	-
	-int
	-_mongoc_host_list_length (mongoc_host_list_t *list)
	-{
	- mongoc_host_list_t *tmp;
	- int counter = 0;
	-
	- tmp = list;
	- while (tmp) {
	- tmp = tmp->next;
	- counter++;
	- }
	-
	- return counter;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_host_list_compare_one --
	- *
	- * Check two hosts have the same domain (case-insensitive), port,
	- * and address family.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-_mongoc_host_list_compare_one (const mongoc_host_list_t *host_a,
	- const mongoc_host_list_t *host_b)
	-{
	- return (0 == strcasecmp (host_a->host_and_port, host_b->host_and_port) &&
	- host_a->family == host_b->family);
	-}
	-
	-bool
	-_mongoc_host_list_contains_one (mongoc_host_list_t *host_list,
	- mongoc_host_list_t *host)
	-{
	- return NULL !=
	- _mongoc_host_list_find_host_and_port (host_list, host->host_and_port);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_host_list_destroy_all --
	- *
	- * Destroy whole linked list of hosts.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_mongoc_host_list_destroy_all (mongoc_host_list_t *host)
	-{
	- mongoc_host_list_t *tmp;
	-
	- while (host) {
	- tmp = host->next;
	- bson_free (host);
	- host = tmp;
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_host_list_from_string --
	- *
	- * Populate a mongoc_host_list_t from a fully qualified address
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-_mongoc_host_list_from_string (mongoc_host_list_t link_, const char address)
	-{
	- bson_error_t error = {0};
	- bool r = _mongoc_host_list_from_string_with_err (link_, address, &error);
	- if (!r) {
	- MONGOC_ERROR ("Could not parse address %s: %s", address, error.message);
	- return false;
	- }
	- return true;
	-}
	-
	-bool
	-_mongoc_host_list_from_string_with_err (mongoc_host_list_t *link_,
	- const char *address,
	- bson_error_t *error)
	-{
	- char *close_bracket;
	- char *sport;
	- uint16_t port;
	- char *host;
	- bool ret;
	- bool ipv6 = false;
	-
	- close_bracket = strchr (address, ']');
	-
	- /* if this is an ipv6 address. */
	- if (close_bracket) {
	- /* if present, the port should immediately follow after ] */
	- sport = strchr (close_bracket, ':');
	- if (sport > close_bracket + 1) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "If present, port should immediately follow the \"]\""
	- "in an IPv6 address"
	- );
	- return false;
	- }
	-
	- /* otherwise ] should be the last char. */
	- if (!sport && *(close_bracket + 1) != '\0') {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "If port is not supplied, \"[\" should be the last"
	- "character");
	- return false;
	- }
	-
	- if (*address != '[') {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Missing matching bracket \"[\""
	- );
	- return false;
	- }
	-
	- ipv6 = true;
	- }
	- /* otherwise, just find the first : */
	- else {
	- sport = strchr (address, ':');
	- }
	-
	- /* like "example.com:27019" or "[fe80::1]:27019", but not "[fe80::1]" */
	- if (sport) {
	- if (sport == address) {
	- /* bad address like ":27017" */
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Bad address, \":\" should not be first character"
	- );
	- return false;
	- }
	-
	- if (!mongoc_parse_port (&port, sport + 1)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Port could not be parsed"
	- );
	- return false;
	- }
	-
	- /* if this is an ipv6 address, strip the [ and ] */
	- if (ipv6) {
	- host = bson_strndup (address + 1, close_bracket - address - 1);
	- } else {
	- host = bson_strndup (address, sport - address);
	- }
	- } else {
	- /* if this is an ipv6 address, strip the [ and ] */
	- if (ipv6) {
	- host = bson_strndup (address + 1, close_bracket - address - 1);
	- } else {
	- host = bson_strdup (address);
	- }
	- port = MONGOC_DEFAULT_PORT;
	- }
	-
	- ret = _mongoc_host_list_from_hostport_with_err (link_, host, port, error);
	-
	- bson_free (host);
	-
	- return ret;
	-}
	-
	-bool
	-_mongoc_host_list_from_hostport_with_err (mongoc_host_list_t *link_,
	- const char *host,
	- uint16_t port,
	- bson_error_t *error)
	-{
	- size_t host_len = strlen (host);
	- link_->port = port;
	-
	- if (host_len == 0) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	- "Empty hostname in URI");
	- return false;
	- }
	-
	- if (host_len > BSON_HOST_NAME_MAX) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	- "Hostname provided in URI is too long, max is %d chars",
	- BSON_HOST_NAME_MAX);
	- return false;
	- }
	-
	- bson_strncpy (link_->host, host, host_len + 1);
	-
	- /* like "fe80::1" or "::1" */
	- if (strchr (host, ':')) {
	- link_->family = AF_INET6;
	-
	- mongoc_lowercase (link_->host, link_->host);
	- bson_snprintf (link_->host_and_port,
	- sizeof link_->host_and_port,
	- "[%s]:%hu",
	- link_->host,
	- link_->port);
	-
	- } else if (strchr (host, '/') && strstr (host, ".sock")) {
	- link_->family = AF_UNIX;
	- bson_strncpy (link_->host_and_port, link_->host, host_len + 1);
	- } else {
	- /* This is either an IPv4 or hostname. */
	- link_->family = AF_UNSPEC;
	-
	- mongoc_lowercase (link_->host, link_->host);
	- bson_snprintf (link_->host_and_port,
	- sizeof link_->host_and_port,
	- "%s:%hu",
	- link_->host,
	- link_->port);
	- }
	-
	- link_->next = NULL;
	- return true;
	-}
	-
	-void
	-_mongoc_host_list_remove_host (mongoc_host_list_t **hosts,
	- const char *host,
	- uint16_t port)
	-{
	- mongoc_host_list_t *current;
	- mongoc_host_list_t *prev = NULL;
	-
	- for (current = *hosts; current; prev = current, current = current->next) {
	- if ((current->port == port) && (strcmp (current->host, host) == 0)) {
	- /* Node found, unlink. */
	- if (prev) {
	- prev->next = current->next;
	- } else {
	- /* No previous, unlinking at head. */
	- *hosts = current->next;
	- }
	- bson_free (current);
	- break;
	- }
	- }
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.c
	deleted file mode 100644
	index 54c84828..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.c
	+++ /dev/null
	@@ -1,344 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#if defined(__linux__)
	-#include <sys/syscall.h>
	-#elif defined(_WIN32)
	-#include <process.h>
	-#elif defined(__APPLE__)
	-#include <pthread.h>
	-#elif defined(__FreeBSD__)
	-#include <sys/thr.h>
	-#elif defined(__NetBSD__)
	-#include <lwp.h>
	-#else
	-#include <unistd.h>
	-#endif
	-#include <stdarg.h>
	-#include <time.h>
	-
	-#include "mongoc-log.h"
	-#include "mongoc-log-private.h"
	-#include "mongoc-thread-private.h"
	-
	-
	-static bson_once_t once = BSON_ONCE_INIT;
	-static bson_mutex_t gLogMutex;
	-static mongoc_log_func_t gLogFunc = mongoc_log_default_handler;
	-#ifdef MONGOC_TRACE
	-static bool gLogTrace = true;
	-#endif
	-static void *gLogData;
	-
	-static BSON_ONCE_FUN (_mongoc_ensure_mutex_once)
	-{
	- bson_mutex_init (&gLogMutex);
	-
	- BSON_ONCE_RETURN;
	-}
	-
	-void
	-mongoc_log_set_handler (mongoc_log_func_t log_func, void *user_data)
	-{
	- bson_once (&once, &_mongoc_ensure_mutex_once);
	-
	- bson_mutex_lock (&gLogMutex);
	- gLogFunc = log_func;
	- gLogData = user_data;
	- bson_mutex_unlock (&gLogMutex);
	-}
	-
	-
	-/* just for testing */
	-void
	-_mongoc_log_get_handler (mongoc_log_func_t log_func, void *user_data)
	-{
	- *log_func = gLogFunc;
	- *user_data = gLogData;
	-}
	-
	-
	-void
	-mongoc_log (mongoc_log_level_t log_level,
	- const char *log_domain,
	- const char *format,
	- ...)
	-{
	- va_list args;
	- char *message;
	- int stop_logging;
	-
	- bson_once (&once, &_mongoc_ensure_mutex_once);
	-
	- stop_logging = !gLogFunc;
	-#ifdef MONGOC_TRACE
	- stop_logging =
	- stop_logging \|\| (log_level == MONGOC_LOG_LEVEL_TRACE && !gLogTrace);
	-#endif
	- if (stop_logging) {
	- return;
	- }
	-
	- BSON_ASSERT (format);
	-
	- va_start (args, format);
	- message = bson_strdupv_printf (format, args);
	- va_end (args);
	-
	- bson_mutex_lock (&gLogMutex);
	- gLogFunc (log_level, log_domain, message, gLogData);
	- bson_mutex_unlock (&gLogMutex);
	-
	- bson_free (message);
	-}
	-
	-
	-const char *
	-mongoc_log_level_str (mongoc_log_level_t log_level)
	-{
	- switch (log_level) {
	- case MONGOC_LOG_LEVEL_ERROR:
	- return "ERROR";
	- case MONGOC_LOG_LEVEL_CRITICAL:
	- return "CRITICAL";
	- case MONGOC_LOG_LEVEL_WARNING:
	- return "WARNING";
	- case MONGOC_LOG_LEVEL_MESSAGE:
	- return "MESSAGE";
	- case MONGOC_LOG_LEVEL_INFO:
	- return "INFO";
	- case MONGOC_LOG_LEVEL_DEBUG:
	- return "DEBUG";
	- case MONGOC_LOG_LEVEL_TRACE:
	- return "TRACE";
	- default:
	- return "UNKNOWN";
	- }
	-}
	-
	-
	-void
	-mongoc_log_default_handler (mongoc_log_level_t log_level,
	- const char *log_domain,
	- const char *message,
	- void *user_data)
	-{
	- struct timeval tv;
	- struct tm tt;
	- time_t t;
	- FILE *stream;
	- char nowstr[32];
	- int pid;
	-
	- bson_gettimeofday (&tv);
	- t = tv.tv_sec;
	-
	-#ifdef _WIN32
	-#ifdef _MSC_VER
	- localtime_s (&tt, &t);
	-#else
	- tt = *(localtime (&t));
	-#endif
	-#else
	- localtime_r (&t, &tt);
	-#endif
	-
	- strftime (nowstr, sizeof nowstr, "%Y/%m/%d %H:%M:%S", &tt);
	-
	- switch (log_level) {
	- case MONGOC_LOG_LEVEL_ERROR:
	- case MONGOC_LOG_LEVEL_CRITICAL:
	- case MONGOC_LOG_LEVEL_WARNING:
	- stream = stderr;
	- break;
	- case MONGOC_LOG_LEVEL_MESSAGE:
	- case MONGOC_LOG_LEVEL_INFO:
	- case MONGOC_LOG_LEVEL_DEBUG:
	- case MONGOC_LOG_LEVEL_TRACE:
	- default:
	- stream = stdout;
	- }
	-
	-#ifdef __linux__
	- pid = syscall (SYS_gettid);
	-#elif defined(_WIN32)
	- pid = (int) _getpid ();
	-#elif defined(__FreeBSD__)
	- long tid;
	- thr_self (&tid);
	- pid = (int) tid;
	-#elif defined(__OpenBSD__)
	- pid = (int) getthrid ();
	-#elif defined(__NetBSD__)
	- pid = (int) _lwp_self ();
	-#elif defined(__APPLE__)
	- uint64_t tid;
	- pthread_threadid_np (0, &tid);
	- pid = (int) tid;
	-#else
	- pid = (int) getpid ();
	-#endif
	-
	- fprintf (stream,
	- "%s.%04ld: [%5d]: %8s: %12s: %s\n",
	- nowstr,
	- tv.tv_usec / 1000L,
	- pid,
	- mongoc_log_level_str (log_level),
	- log_domain,
	- message);
	-}
	-
	-bool
	-_mongoc_log_trace_is_enabled (void)
	-{
	-#ifdef MONGOC_TRACE
	- return gLogTrace;
	-#else
	- return false;
	-#endif
	-}
	-
	-void
	-mongoc_log_trace_enable (void)
	-{
	-#ifdef MONGOC_TRACE
	- gLogTrace = true;
	-#endif
	-}
	-
	-void
	-mongoc_log_trace_disable (void)
	-{
	-#ifdef MONGOC_TRACE
	- gLogTrace = false;
	-#endif
	-}
	-
	-void
	-mongoc_log_trace_bytes (const char domain, const uint8_t _b, size_t _l)
	-{
	- bson_string_t str, astr;
	- int32_t _i;
	- uint8_t _v;
	-
	-#ifdef MONGOC_TRACE
	- if (!gLogTrace) {
	- return;
	- }
	-#endif
	-
	- str = bson_string_new (NULL);
	- astr = bson_string_new (NULL);
	- for (_i = 0; _i < _l; _i++) {
	- _v = *(_b + _i);
	-
	- if ((_i % 16) == 0) {
	- bson_string_append_printf (str, "%05x: ", _i);
	- }
	-
	- bson_string_append_printf (str, " %02x", _v);
	- if (isprint (_v)) {
	- bson_string_append_printf (astr, " %c", _v);
	- } else {
	- bson_string_append (astr, " .");
	- }
	-
	- if ((_i % 16) == 15) {
	- mongoc_log (
	- MONGOC_LOG_LEVEL_TRACE, domain, "%s %s", str->str, astr->str);
	- bson_string_truncate (str, 0);
	- bson_string_truncate (astr, 0);
	- } else if ((_i % 16) == 7) {
	- bson_string_append (str, " ");
	- bson_string_append (astr, " ");
	- }
	- }
	-
	- if (_i != 16) {
	- mongoc_log (
	- MONGOC_LOG_LEVEL_TRACE, domain, "%-56s %s", str->str, astr->str);
	- }
	-
	- bson_string_free (str, true);
	- bson_string_free (astr, true);
	-}
	-
	-void
	-mongoc_log_trace_iovec (const char *domain,
	- const mongoc_iovec_t *_iov,
	- size_t _iovcnt)
	-{
	- bson_string_t str, astr;
	- const char *_b;
	- unsigned _i = 0;
	- unsigned _j = 0;
	- unsigned _k = 0;
	- size_t _l = 0;
	- uint8_t _v;
	-
	-#ifdef MONGOC_TRACE
	- if (!gLogTrace) {
	- return;
	- }
	-#endif
	-
	- for (_i = 0; _i < _iovcnt; _i++) {
	- _l += _iov[_i].iov_len;
	- }
	-
	- _i = 0;
	- str = bson_string_new (NULL);
	- astr = bson_string_new (NULL);
	-
	- for (_j = 0; _j < _iovcnt; _j++) {
	- _b = (char *) _iov[_j].iov_base;
	- _l = _iov[_j].iov_len;
	-
	- for (_k = 0; _k < _l; _k++, _i++) {
	- _v = *(_b + _k);
	- if ((_i % 16) == 0) {
	- bson_string_append_printf (str, "%05x: ", _i);
	- }
	-
	- bson_string_append_printf (str, " %02x", _v);
	- if (isprint (_v)) {
	- bson_string_append_printf (astr, " %c", _v);
	- } else {
	- bson_string_append (astr, " .");
	- }
	-
	- if ((_i % 16) == 15) {
	- mongoc_log (
	- MONGOC_LOG_LEVEL_TRACE, domain, "%s %s", str->str, astr->str);
	- bson_string_truncate (str, 0);
	- bson_string_truncate (astr, 0);
	- } else if ((_i % 16) == 7) {
	- bson_string_append (str, " ");
	- bson_string_append (astr, " ");
	- }
	- }
	- }
	-
	- if (_i != 16) {
	- mongoc_log (
	- MONGOC_LOG_LEVEL_TRACE, domain, "%-56s %s", str->str, astr->str);
	- }
	-
	- bson_string_free (str, true);
	- bson_string_free (astr, true);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.c
	deleted file mode 100644
	index 492c23cf..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.c
	+++ /dev/null
	@@ -1,422 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc-error.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-trace-private.h"
	-
	-
	-mongoc_read_prefs_t *
	-mongoc_read_prefs_new (mongoc_read_mode_t mode)
	-{
	- mongoc_read_prefs_t *read_prefs;
	-
	- read_prefs = (mongoc_read_prefs_t ) bson_malloc0 (sizeof read_prefs);
	- read_prefs->mode = mode;
	- bson_init (&read_prefs->tags);
	- read_prefs->max_staleness_seconds = MONGOC_NO_MAX_STALENESS;
	- bson_init (&read_prefs->hedge);
	-
	- return read_prefs;
	-}
	-
	-
	-mongoc_read_mode_t
	-mongoc_read_prefs_get_mode (const mongoc_read_prefs_t *read_prefs)
	-{
	- return read_prefs ? read_prefs->mode : MONGOC_READ_PRIMARY;
	-}
	-
	-
	-void
	-mongoc_read_prefs_set_mode (mongoc_read_prefs_t *read_prefs,
	- mongoc_read_mode_t mode)
	-{
	- BSON_ASSERT (read_prefs);
	- BSON_ASSERT (mode <= MONGOC_READ_NEAREST);
	-
	- read_prefs->mode = mode;
	-}
	-
	-
	-const bson_t *
	-mongoc_read_prefs_get_tags (const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT (read_prefs);
	- return &read_prefs->tags;
	-}
	-
	-
	-void
	-mongoc_read_prefs_set_tags (mongoc_read_prefs_t read_prefs, const bson_t tags)
	-{
	- BSON_ASSERT (read_prefs);
	-
	- bson_destroy (&read_prefs->tags);
	-
	- if (tags) {
	- bson_copy_to (tags, &read_prefs->tags);
	- } else {
	- bson_init (&read_prefs->tags);
	- }
	-}
	-
	-
	-void
	-mongoc_read_prefs_add_tag (mongoc_read_prefs_t read_prefs, const bson_t tag)
	-{
	- bson_t empty = BSON_INITIALIZER;
	- char str[16];
	- int key;
	-
	- BSON_ASSERT (read_prefs);
	-
	- key = bson_count_keys (&read_prefs->tags);
	- bson_snprintf (str, sizeof str, "%d", key);
	-
	- if (tag) {
	- bson_append_document (&read_prefs->tags, str, -1, tag);
	- } else {
	- bson_append_document (&read_prefs->tags, str, -1, &empty);
	- }
	-
	- bson_destroy (&empty);
	-}
	-
	-
	-int64_t
	-mongoc_read_prefs_get_max_staleness_seconds (
	- const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT (read_prefs);
	-
	- return read_prefs->max_staleness_seconds;
	-}
	-
	-
	-void
	-mongoc_read_prefs_set_max_staleness_seconds (mongoc_read_prefs_t *read_prefs,
	- int64_t max_staleness_seconds)
	-{
	- BSON_ASSERT (read_prefs);
	-
	- read_prefs->max_staleness_seconds = max_staleness_seconds;
	-}
	-
	-
	-const bson_t *
	-mongoc_read_prefs_get_hedge (const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT (read_prefs);
	-
	- return &read_prefs->hedge;
	-}
	-
	-
	-void
	-mongoc_read_prefs_set_hedge (mongoc_read_prefs_t *read_prefs,
	- const bson_t *hedge)
	-{
	- BSON_ASSERT (read_prefs);
	-
	- bson_destroy (&read_prefs->hedge);
	-
	- if (hedge) {
	- bson_copy_to (hedge, &read_prefs->hedge);
	- } else {
	- bson_init (&read_prefs->hedge);
	- }
	-}
	-
	-
	-bool
	-mongoc_read_prefs_is_valid (const mongoc_read_prefs_t *read_prefs)
	-{
	- BSON_ASSERT (read_prefs);
	-
	- /*
	- * Tags, maxStalenessSeconds, and hedge are not supported with PRIMARY mode.
	- */
	- if (read_prefs->mode == MONGOC_READ_PRIMARY) {
	- if (!bson_empty (&read_prefs->tags) \|\|
	- read_prefs->max_staleness_seconds != MONGOC_NO_MAX_STALENESS \|\|
	- !bson_empty (&read_prefs->hedge)) {
	- return false;
	- }
	- }
	-
	- if (read_prefs->max_staleness_seconds != MONGOC_NO_MAX_STALENESS &&
	- read_prefs->max_staleness_seconds <= 0) {
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-void
	-mongoc_read_prefs_destroy (mongoc_read_prefs_t *read_prefs)
	-{
	- if (read_prefs) {
	- bson_destroy (&read_prefs->tags);
	- bson_destroy (&read_prefs->hedge);
	- bson_free (read_prefs);
	- }
	-}
	-
	-
	-mongoc_read_prefs_t *
	-mongoc_read_prefs_copy (const mongoc_read_prefs_t *read_prefs)
	-{
	- mongoc_read_prefs_t *ret = NULL;
	-
	- if (read_prefs) {
	- ret = mongoc_read_prefs_new (read_prefs->mode);
	- bson_destroy (&ret->tags);
	- bson_copy_to (&read_prefs->tags, &ret->tags);
	- ret->max_staleness_seconds = read_prefs->max_staleness_seconds;
	- bson_destroy (&ret->hedge);
	- bson_copy_to (&read_prefs->hedge, &ret->hedge);
	- }
	-
	- return ret;
	-}
	-
	-
	-const char *
	-_mongoc_read_mode_as_str (mongoc_read_mode_t mode)
	-{
	- switch (mode) {
	- case MONGOC_READ_PRIMARY:
	- return "primary";
	- case MONGOC_READ_PRIMARY_PREFERRED:
	- return "primaryPreferred";
	- case MONGOC_READ_SECONDARY:
	- return "secondary";
	- case MONGOC_READ_SECONDARY_PREFERRED:
	- return "secondaryPreferred";
	- case MONGOC_READ_NEAREST:
	- return "nearest";
	- default:
	- return "";
	- }
	-}
	-
	-
	-/* Update result with the read prefs, following Server Selection Spec.
	- * The driver must have discovered the server is a mongos.
	- */
	-static void
	-_apply_read_preferences_mongos (
	- const mongoc_read_prefs_t *read_prefs,
	- const bson_t *query_bson,
	- mongoc_assemble_query_result_t result / OUT */)
	-{
	- mongoc_read_mode_t mode;
	- const bson_t *tags = NULL;
	- bson_t child;
	- const char *mode_str;
	- int64_t max_staleness_seconds = MONGOC_NO_MAX_STALENESS;
	- const bson_t *hedge = NULL;
	-
	- mode = mongoc_read_prefs_get_mode (read_prefs);
	- if (read_prefs) {
	- max_staleness_seconds =
	- mongoc_read_prefs_get_max_staleness_seconds (read_prefs);
	-
	- tags = mongoc_read_prefs_get_tags (read_prefs);
	- hedge = mongoc_read_prefs_get_hedge (read_prefs);
	- }
	-
	- /* Server Selection Spec says:
	- *
	- * For mode 'primary', drivers MUST NOT set the secondaryOk wire protocol flag
	- * and MUST NOT use $readPreference
	- *
	- * For mode 'secondary', drivers MUST set the secondaryOk wire protocol flag and
	- * MUST also use $readPreference
	- *
	- * For mode 'primaryPreferred', drivers MUST set the secondaryOk wire protocol
	- * flag and MUST also use $readPreference
	- *
	- * For mode 'secondaryPreferred', drivers MUST set the secondaryOk wire protocol
	- * flag. If the read preference contains a non-empty tag_sets parameter,
	- * maxStalenessSeconds is a positive integer, or the hedge parameter is
	- * non-empty, drivers MUST use $readPreference; otherwise, drivers MUST NOT
	- * use $readPreference
	- *
	- * For mode 'nearest', drivers MUST set the secondaryOk wire protocol flag and
	- * MUST also use $readPreference
	- */
	- if (mode == MONGOC_READ_SECONDARY_PREFERRED &&
	- (bson_empty0 (tags) && max_staleness_seconds <= 0 && bson_empty0 (hedge))) {
	- result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	-
	- } else if (mode != MONGOC_READ_PRIMARY) {
	- result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	-
	- /* Server Selection Spec: "When any $ modifier is used, including the
	- * $readPreference modifier, the query MUST be provided using the $query
	- * modifier".
	- *
	- * This applies to commands, too.
	- */
	- result->assembled_query = bson_new ();
	- result->query_owned = true;
	-
	- if (bson_has_field (query_bson, "$query")) {
	- bson_concat (result->assembled_query, query_bson);
	- } else {
	- bson_append_document (
	- result->assembled_query, "$query", 6, query_bson);
	- }
	-
	- bson_append_document_begin (
	- result->assembled_query, "$readPreference", 15, &child);
	- mode_str = _mongoc_read_mode_as_str (mode);
	- bson_append_utf8 (&child, "mode", 4, mode_str, -1);
	- if (!bson_empty0 (tags)) {
	- bson_append_array (&child, "tags", 4, tags);
	- }
	-
	- if (max_staleness_seconds != MONGOC_NO_MAX_STALENESS) {
	- bson_append_int64 (
	- &child, "maxStalenessSeconds", 19, max_staleness_seconds);
	- }
	-
	- if (!bson_empty0 (hedge)) {
	- bson_append_document (&child, "hedge", 5, hedge);
	- }
	-
	- bson_append_document_end (result->assembled_query, &child);
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * assemble_query --
	- *
	- * Update @result based on @read_prefs, following the Server Selection
	- * Spec.
	- *
	- * Side effects:
	- * Sets @result->assembled_query and @result->flags.
	- *
	- * Note:
	- * This function, the mongoc_assemble_query_result_t struct, and all
	- * related functions are only used for find operations with OP_QUERY.
	- * Remove them once we have implemented exhaust cursors with OP_MSG in
	- * the server, and all previous server versions are EOL.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-assemble_query (const mongoc_read_prefs_t *read_prefs,
	- const mongoc_server_stream_t *server_stream,
	- const bson_t *query_bson,
	- mongoc_query_flags_t initial_flags,
	- mongoc_assemble_query_result_t result / OUT */)
	-{
	- mongoc_server_description_type_t server_type;
	-
	- ENTRY;
	-
	- BSON_ASSERT (server_stream);
	- BSON_ASSERT (query_bson);
	- BSON_ASSERT (result);
	-
	- /* default values */
	- result->assembled_query = (bson_t *) query_bson;
	- result->query_owned = false;
	- result->flags = initial_flags;
	-
	- server_type = server_stream->sd->type;
	-
	- switch (server_stream->topology_type) {
	- case MONGOC_TOPOLOGY_SINGLE:
	- if (server_type == MONGOC_SERVER_MONGOS) {
	- _apply_read_preferences_mongos (read_prefs, query_bson, result);
	- } else {
	- /* Server Selection Spec: for topology type single and server types
	- * besides mongos, "clients MUST always set the secondaryOk wire protocol
	- * flag on reads to ensure that any server type can handle the
	- * request."
	- */
	- result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	- }
	-
	- break;
	-
	- case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	- case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	- /* Server Selection Spec: for RS topology types, "For all read
	- * preferences modes except primary, clients MUST set the secondaryOk wire
	- * protocol flag to ensure that any suitable server can handle the
	- * request. Clients MUST NOT set the secondaryOk wire protocol flag if the
	- * read preference mode is primary.
	- */
	- if (read_prefs && read_prefs->mode != MONGOC_READ_PRIMARY) {
	- result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	- }
	-
	- break;
	-
	- case MONGOC_TOPOLOGY_SHARDED:
	- case MONGOC_TOPOLOGY_LOAD_BALANCED:
	- _apply_read_preferences_mongos (read_prefs, query_bson, result);
	- break;
	-
	- case MONGOC_TOPOLOGY_UNKNOWN:
	- case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	- default:
	- /* must not call _apply_read_preferences with unknown topology type */
	- BSON_ASSERT (false);
	- }
	-
	- EXIT;
	-}
	-
	-
	-void
	-assemble_query_result_cleanup (mongoc_assemble_query_result_t *result)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (result);
	-
	- if (result->query_owned) {
	- bson_destroy (result->assembled_query);
	- }
	-
	- EXIT;
	-}
	-
	-bool
	-_mongoc_read_prefs_validate (const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error)
	-{
	- if (read_prefs && !mongoc_read_prefs_is_valid (read_prefs)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Invalid mongoc_read_prefs_t");
	- return false;
	- }
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.h
	deleted file mode 100644
	index 7180548b..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.h
	+++ /dev/null
	@@ -1,83 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_READ_PREFS_H
	-#define MONGOC_READ_PREFS_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-macros.h"
	-#include "mongoc-config.h"
	-
	-BSON_BEGIN_DECLS
	-
	-
	-#define MONGOC_NO_MAX_STALENESS -1
	-#define MONGOC_SMALLEST_MAX_STALENESS_SECONDS 90
	-
	-typedef struct _mongoc_read_prefs_t mongoc_read_prefs_t;
	-
	-
	-typedef enum {
	- MONGOC_READ_PRIMARY = (1 << 0),
	- MONGOC_READ_SECONDARY = (1 << 1),
	- MONGOC_READ_PRIMARY_PREFERRED = (1 << 2) \| MONGOC_READ_PRIMARY,
	- MONGOC_READ_SECONDARY_PREFERRED = (1 << 2) \| MONGOC_READ_SECONDARY,
	- MONGOC_READ_NEAREST = (1 << 3) \| MONGOC_READ_SECONDARY,
	-} mongoc_read_mode_t;
	-
	-
	-MONGOC_EXPORT (mongoc_read_prefs_t *)
	-mongoc_read_prefs_new (mongoc_read_mode_t read_mode)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_read_prefs_t *)
	-mongoc_read_prefs_copy (const mongoc_read_prefs_t *read_prefs)
	- BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_read_prefs_destroy (mongoc_read_prefs_t *read_prefs);
	-MONGOC_EXPORT (mongoc_read_mode_t)
	-mongoc_read_prefs_get_mode (const mongoc_read_prefs_t *read_prefs);
	-MONGOC_EXPORT (void)
	-mongoc_read_prefs_set_mode (mongoc_read_prefs_t *read_prefs,
	- mongoc_read_mode_t mode);
	-MONGOC_EXPORT (const bson_t *)
	-mongoc_read_prefs_get_tags (const mongoc_read_prefs_t *read_prefs);
	-MONGOC_EXPORT (void)
	-mongoc_read_prefs_set_tags (mongoc_read_prefs_t *read_prefs,
	- const bson_t *tags);
	-MONGOC_EXPORT (void)
	-mongoc_read_prefs_add_tag (mongoc_read_prefs_t read_prefs, const bson_t tag);
	-MONGOC_EXPORT (int64_t)
	-mongoc_read_prefs_get_max_staleness_seconds (
	- const mongoc_read_prefs_t *read_prefs);
	-MONGOC_EXPORT (void)
	-mongoc_read_prefs_set_max_staleness_seconds (mongoc_read_prefs_t *read_prefs,
	- int64_t max_staleness_seconds);
	-MONGOC_EXPORT (const bson_t *)
	-mongoc_read_prefs_get_hedge (const mongoc_read_prefs_t *read_prefs);
	-MONGOC_EXPORT (void)
	-mongoc_read_prefs_set_hedge (mongoc_read_prefs_t *read_prefs,
	- const bson_t *hedge);
	-MONGOC_EXPORT (bool)
	-mongoc_read_prefs_is_valid (const mongoc_read_prefs_t *read_prefs);
	-
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_READ_PREFS_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor.c
	deleted file mode 100644
	index f69043f4..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor.c
	+++ /dev/null
	@@ -1,1273 +0,0 @@
	-/*
	- * Copyright 2020-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "common-thread-private.h"
	-#include "mongoc-server-monitor-private.h"
	-
	-#include "mongoc/mongoc-client-private.h"
	-#include "mongoc/mongoc-error-private.h"
	-#include "mongoc/mongoc-flags-private.h"
	-#include "mongoc/mongoc-ssl-private.h"
	-#include "mongoc/mongoc-stream-private.h"
	-#include "mongoc/mongoc-topology-background-monitoring-private.h"
	-#include "mongoc/mongoc-topology-private.h"
	-#include "mongoc/mongoc-trace-private.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "monitor"
	-
	-typedef enum {
	- MONGOC_THREAD_OFF = 0,
	- MONGOC_THREAD_RUNNING,
	- MONGOC_THREAD_SHUTTING_DOWN,
	- MONGOC_THREAD_JOINABLE
	-} thread_state_t;
	-
	-/* Use a signed and wide return type for timeouts as long as you can. Cast only
	- * when you know what you're doing with it. */
	-static int64_t
	-_now_us (void)
	-{
	- return bson_get_monotonic_time ();
	-}
	-
	-static int64_t
	-_now_ms (void)
	-{
	- return _now_us () / 1000;
	-}
	-
	-struct _mongoc_server_monitor_t {
	- mongoc_topology_t *topology;
	- bson_thread_t thread;
	-
	- /* State accessed from multiple threads. */
	- struct {
	- bson_mutex_t mutex;
	- mongoc_cond_t cond;
	- thread_state_t state;
	- bool scan_requested;
	- bool cancel_requested;
	- } shared;
	-
	- /* Default time to sleep between hello checks (reduced when a scan is
	- * requested) */
	- uint64_t heartbeat_frequency_ms;
	- /* The minimum time to sleep between hello checks. */
	- uint64_t min_heartbeat_frequency_ms;
	- int64_t connect_timeout_ms;
	- bool use_tls;
	-#ifdef MONGOC_ENABLE_SSL
	- mongoc_ssl_opt_t *ssl_opts;
	-#endif
	- mongoc_uri_t *uri;
	- /* A custom initiator may be set if a user provides overrides to create a
	- * stream. */
	- mongoc_stream_initiator_t initiator;
	- void *initiator_context;
	- int64_t request_id;
	- mongoc_apm_callbacks_t apm_callbacks;
	- void *apm_context;
	-
	- mongoc_stream_t *stream;
	- bool more_to_come;
	- mongoc_server_description_t *description;
	- uint32_t server_id;
	- bool is_rtt;
	-};
	-
	-static BSON_GNUC_PRINTF (3, 4) void _server_monitor_log (
	- mongoc_server_monitor_t *server_monitor,
	- mongoc_log_level_t level,
	- const char *format,
	- ...)
	-{
	- va_list ap;
	- char *msg;
	-
	- va_start (ap, format);
	- msg = bson_strdupv_printf (format, ap);
	- va_end (ap);
	-
	- mongoc_log (level,
	- MONGOC_LOG_DOMAIN,
	- "[%s%s] %s",
	- server_monitor->description->host.host_and_port,
	- server_monitor->is_rtt ? "-RTT" : "",
	- msg);
	- bson_free (msg);
	-}
	-
	-#ifdef MONGOC_TRACE
	-#define MONITOR_LOG(sm, ...) \
	- _server_monitor_log (sm, MONGOC_LOG_LEVEL_TRACE, __VA_ARGS__)
	-#else
	-#define MONITOR_LOG(sm, ...) (void) 0
	-#endif
	-
	-/* TODO CDRIVER-3710 use MONGOC_LOG_LEVEL_ERROR */
	-#define MONITOR_LOG_ERROR(sm, ...) \
	- _server_monitor_log (sm, MONGOC_LOG_LEVEL_DEBUG, __VA_ARGS__)
	-/* TODO CDRIVER-3710 use MONGOC_LOG_LEVEL_WARNING */
	-#define MONITOR_LOG_WARNING(sm, ...) \
	- _server_monitor_log (sm, MONGOC_LOG_LEVEL_DEBUG, __VA_ARGS__)
	-
	-static void
	-_server_monitor_heartbeat_started (mongoc_server_monitor_t *server_monitor,
	- bool awaited)
	-{
	- mongoc_apm_server_heartbeat_started_t event;
	- MONGOC_DEBUG_ASSERT (
	- !COMMON_PREFIX (mutex_is_locked) (&server_monitor->topology->apm_mutex));
	-
	- if (!server_monitor->apm_callbacks.server_heartbeat_started) {
	- return;
	- }
	-
	- event.host = &server_monitor->description->host;
	- event.context = server_monitor->apm_context;
	- MONITOR_LOG (server_monitor,
	- "%s heartbeat started",
	- awaited ? "awaitable" : "regular");
	- event.awaited = awaited;
	- bson_mutex_lock (&server_monitor->topology->apm_mutex);
	- server_monitor->apm_callbacks.server_heartbeat_started (&event);
	- bson_mutex_unlock (&server_monitor->topology->apm_mutex);
	-}
	-
	-static void
	-_server_monitor_heartbeat_succeeded (mongoc_server_monitor_t *server_monitor,
	- const bson_t *reply,
	- int64_t duration_usec,
	- bool awaited)
	-{
	- mongoc_apm_server_heartbeat_succeeded_t event;
	-
	- if (!server_monitor->apm_callbacks.server_heartbeat_succeeded) {
	- return;
	- }
	-
	- event.host = &server_monitor->description->host;
	- event.context = server_monitor->apm_context;
	- event.reply = reply;
	- event.duration_usec = duration_usec;
	- MONITOR_LOG (server_monitor,
	- "%s heartbeat succeeded",
	- awaited ? "awaitable" : "regular");
	- event.awaited = awaited;
	- bson_mutex_lock (&server_monitor->topology->apm_mutex);
	- server_monitor->apm_callbacks.server_heartbeat_succeeded (&event);
	- bson_mutex_unlock (&server_monitor->topology->apm_mutex);
	-}
	-
	-static void
	-_server_monitor_heartbeat_failed (mongoc_server_monitor_t *server_monitor,
	- const bson_error_t *error,
	- int64_t duration_usec,
	- bool awaited)
	-{
	- mongoc_apm_server_heartbeat_failed_t event;
	-
	- if (!server_monitor->apm_callbacks.server_heartbeat_failed) {
	- return;
	- }
	-
	- event.host = &server_monitor->description->host;
	- event.context = server_monitor->apm_context;
	- event.error = error;
	- event.duration_usec = duration_usec;
	- MONITOR_LOG (
	- server_monitor, "%s heartbeat failed", awaited ? "awaitable" : "regular");
	- event.awaited = awaited;
	- bson_mutex_lock (&server_monitor->topology->apm_mutex);
	- server_monitor->apm_callbacks.server_heartbeat_failed (&event);
	- bson_mutex_unlock (&server_monitor->topology->apm_mutex);
	-}
	-
	-static void
	-_server_monitor_append_cluster_time (mongoc_server_monitor_t *server_monitor,
	- bson_t *cmd)
	-{
	- mc_shared_tpld td =
	- mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (server_monitor)->topology);
	-
	- /* Cluster time is updated on every reply. */
	- if (!bson_empty (&td.ptr->cluster_time)) {
	- bson_append_document (cmd, "$clusterTime", 12, &td.ptr->cluster_time);
	- }
	- mc_tpld_drop_ref (&td);
	-}
	-
	-static bool
	-_server_monitor_send_and_recv_opquery (mongoc_server_monitor_t *server_monitor,
	- const bson_t *cmd,
	- bson_t *reply,
	- bson_error_t *error)
	-{
	- mongoc_rpc_t rpc;
	- mongoc_array_t array_to_write;
	- mongoc_iovec_t *iovec;
	- int niovec;
	- mongoc_buffer_t buffer;
	- uint32_t reply_len;
	- bson_t temp_reply;
	- bool ret = false;
	-
	- rpc.header.msg_len = 0;
	- rpc.header.request_id = server_monitor->request_id++;
	- rpc.header.response_to = 0;
	- rpc.header.opcode = MONGOC_OPCODE_QUERY;
	- rpc.query.flags = MONGOC_QUERY_SECONDARY_OK;
	- rpc.query.collection = "admin.$cmd";
	- rpc.query.skip = 0;
	- rpc.query.n_return = -1;
	- rpc.query.query = bson_get_data (cmd);
	- rpc.query.fields = NULL;
	-
	- _mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
	- _mongoc_array_init (&array_to_write, sizeof (mongoc_iovec_t));
	- _mongoc_rpc_gather (&rpc, &array_to_write);
	- iovec = (mongoc_iovec_t *) array_to_write.data;
	- niovec = array_to_write.len;
	- _mongoc_rpc_swab_to_le (&rpc);
	-
	- if (!_mongoc_stream_writev_full (server_monitor->stream,
	- iovec,
	- niovec,
	- server_monitor->connect_timeout_ms,
	- error)) {
	- GOTO (fail);
	- }
	-
	- if (!_mongoc_buffer_append_from_stream (&buffer,
	- server_monitor->stream,
	- 4,
	- server_monitor->connect_timeout_ms,
	- error)) {
	- GOTO (fail);
	- }
	-
	- memcpy (&reply_len, buffer.data, 4);
	- reply_len = BSON_UINT32_FROM_LE (reply_len);
	-
	- if (!_mongoc_buffer_append_from_stream (&buffer,
	- server_monitor->stream,
	- reply_len - buffer.len,
	- server_monitor->connect_timeout_ms,
	- error)) {
	- GOTO (fail);
	- }
	-
	- if (!_mongoc_rpc_scatter (&rpc, buffer.data, buffer.len)) {
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Invalid reply from server.");
	-
	- GOTO (fail);
	- }
	-
	- if (!_mongoc_rpc_decompress_if_necessary (&rpc, &buffer, error)) {
	- GOTO (fail);
	- }
	- _mongoc_rpc_swab_from_le (&rpc);
	-
	- if (!_mongoc_rpc_get_first_document (&rpc, &temp_reply)) {
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Invalid reply from server");
	- GOTO (fail);
	- }
	- bson_copy_to (&temp_reply, reply);
	-
	- ret = true;
	-fail:
	- if (!ret) {
	- bson_init (reply);
	- }
	- _mongoc_array_destroy (&array_to_write);
	- _mongoc_buffer_destroy (&buffer);
	- return ret;
	-}
	-
	-static bool
	-_server_monitor_polling_hello (mongoc_server_monitor_t *server_monitor,
	- bool hello_ok,
	- bson_t *hello_response,
	- bson_error_t *error)
	-{
	- bson_t cmd;
	- const bson_t *hello;
	- bool ret;
	-
	- hello = _mongoc_topology_scanner_get_monitoring_cmd (
	- server_monitor->topology->scanner, hello_ok);
	- bson_copy_to (hello, &cmd);
	-
	- _server_monitor_append_cluster_time (server_monitor, &cmd);
	- ret = _server_monitor_send_and_recv_opquery (
	- server_monitor, &cmd, hello_response, error);
	- bson_destroy (&cmd);
	- return ret;
	-}
	-
	-static bool
	-_server_monitor_awaitable_hello_send (mongoc_server_monitor_t *server_monitor,
	- bson_t *cmd,
	- bson_error_t *error)
	-{
	- mongoc_rpc_t rpc = {0};
	- mongoc_array_t array_to_write;
	- mongoc_iovec_t *iovec;
	- int niovec;
	-
	- rpc.header.msg_len = 0;
	- rpc.header.request_id = server_monitor->request_id++;
	- rpc.header.response_to = 0;
	- rpc.header.opcode = MONGOC_OPCODE_MSG;
	- rpc.msg.flags = MONGOC_MSG_EXHAUST_ALLOWED;
	- rpc.msg.n_sections = 1;
	- rpc.msg.sections[0].payload_type = 0;
	- rpc.msg.sections[0].payload.bson_document = bson_get_data (cmd);
	-
	- _mongoc_array_init (&array_to_write, sizeof (mongoc_iovec_t));
	- _mongoc_rpc_gather (&rpc, &array_to_write);
	-
	- iovec = (mongoc_iovec_t *) array_to_write.data;
	- niovec = array_to_write.len;
	- _mongoc_rpc_swab_to_le (&rpc);
	-
	- MONITOR_LOG (server_monitor,
	- "sending with timeout %" PRId64,
	- server_monitor->connect_timeout_ms);
	-
	- if (!_mongoc_stream_writev_full (server_monitor->stream,
	- iovec,
	- niovec,
	- server_monitor->connect_timeout_ms,
	- error)) {
	- MONITOR_LOG_ERROR (
	- server_monitor, "failed to write awaitable hello: %s", error->message);
	- _mongoc_array_destroy (&array_to_write);
	- return false;
	- }
	- _mongoc_array_destroy (&array_to_write);
	- return true;
	-}
	-
	-/* Poll the server monitor stream for reading. Allows cancellation.
	- *
	- * Called only from server monitor thread.
	- * Locks server monitor mutex.
	- * Returns true if stream is readable. False on error or cancellation.
	- * On cancellation, no error is set, but cancelled is set to true.
	- */
	-static bool
	-_server_monitor_poll_with_interrupt (mongoc_server_monitor_t *server_monitor,
	- int64_t expire_at_ms,
	- bool *cancelled,
	- bson_error_t *error)
	-{
	- /* How many milliseconds we should poll for on each tick.
	- * On every tick, check whether the awaitable hello was cancelled. */
	- const int32_t monitor_tick_ms = MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS;
	- int64_t timeleft_ms;
	-
	- while ((timeleft_ms = expire_at_ms - _now_ms ()) > 0) {
	- ssize_t ret;
	- mongoc_stream_poll_t poller[1];
	-
	- MONITOR_LOG (server_monitor,
	- "_server_monitor_poll_with_interrupt expires in: %" PRIu64
	- "ms",
	- timeleft_ms);
	- poller[0].stream = server_monitor->stream;
	- poller[0].events =
	- POLLIN; /* POLLERR and POLLHUP are added in mongoc_socket_poll. */
	- poller[0].revents = 0;
	-
	- MONITOR_LOG (
	- server_monitor,
	- "polling for awaitable hello reply with timeleft_ms: %" PRId64,
	- timeleft_ms);
	- ret = mongoc_stream_poll (
	- poller, 1, (int32_t) BSON_MIN (timeleft_ms, monitor_tick_ms));
	- if (ret == -1) {
	- MONITOR_LOG (server_monitor, "mongoc_stream_poll error");
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "poll error");
	- return false;
	- }
	-
	- if (poller[0].revents & (POLLERR \| POLLHUP)) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "connection closed while polling");
	- return false;
	- }
	-
	- /* Check for cancellation. */
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- *cancelled = server_monitor->shared.cancel_requested;
	- server_monitor->shared.cancel_requested = false;
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-
	- if (*cancelled) {
	- MONITOR_LOG (server_monitor, "polling cancelled");
	- return false;
	- }
	-
	- if (poller[0].revents & POLLIN) {
	- MONITOR_LOG (server_monitor, "mongoc_stream_poll ready to read");
	- return true;
	- }
	- }
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "connection timeout while polling");
	- return false;
	-}
	-
	-/* Calculate the timeout between the current time and an absolute expiration
	- * time in milliseconds.
	- *
	- * Returns 0 and sets error if time expired.
	- */
	-int64_t
	-_get_timeout_ms (int64_t expire_at_ms, bson_error_t *error)
	-{
	- int64_t timeout_ms;
	-
	- timeout_ms = expire_at_ms - _now_ms ();
	- if (timeout_ms <= 0) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "connection timed out reading message length");
	- return 0;
	- }
	- return timeout_ms;
	-}
	-
	-/* Receive an awaitable hello reply.
	- *
	- * May be used to receive additional replies when moreToCome is set.
	- * Called only from server monitor thread.
	- * May lock server monitor mutex in functions that are called.
	- * May block for up to heartbeatFrequencyMS + connectTimeoutMS waiting for
	- * reply.
	- * Returns true if a reply was received. False on error or cancellation.
	- * On cancellation, no error is set, but cancelled is set to true.
	- */
	-static bool
	-_server_monitor_awaitable_hello_recv (mongoc_server_monitor_t *server_monitor,
	- bson_t *hello_response,
	- bool *cancelled,
	- bson_error_t *error)
	-{
	- bool ret = false;
	- mongoc_buffer_t buffer;
	- int32_t msg_len;
	- mongoc_rpc_t rpc;
	- bson_t reply_local;
	- int64_t expire_at_ms;
	- int64_t timeout_ms;
	-
	- expire_at_ms = _now_ms () + server_monitor->heartbeat_frequency_ms +
	- server_monitor->connect_timeout_ms;
	- _mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
	- if (!_server_monitor_poll_with_interrupt (
	- server_monitor, expire_at_ms, cancelled, error)) {
	- GOTO (fail);
	- }
	-
	- timeout_ms = _get_timeout_ms (expire_at_ms, error);
	- if (!timeout_ms) {
	- GOTO (fail);
	- }
	- MONITOR_LOG (server_monitor,
	- "reading first 4 bytes with timeout: %" PRId64,
	- timeout_ms);
	- if (!_mongoc_buffer_append_from_stream (
	- &buffer, server_monitor->stream, 4, (int32_t) timeout_ms, error)) {
	- GOTO (fail);
	- }
	-
	- BSON_ASSERT (buffer.len == 4);
	- memcpy (&msg_len, buffer.data, 4);
	- msg_len = BSON_UINT32_FROM_LE (msg_len);
	-
	- if ((msg_len < 16) \|\|
	- (msg_len > server_monitor->description->max_msg_size)) {
	- bson_set_error (
	- error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Message size %d is not within expected range 16-%d bytes",
	- msg_len,
	- server_monitor->description->max_msg_size);
	- GOTO (fail);
	- }
	-
	- timeout_ms = _get_timeout_ms (expire_at_ms, error);
	- if (!timeout_ms) {
	- GOTO (fail);
	- }
	- MONITOR_LOG (server_monitor,
	- "reading remaining %d bytes. Timeout %" PRId64,
	- (int) (msg_len - 4),
	- timeout_ms);
	- if (!_mongoc_buffer_append_from_stream (
	- &buffer, server_monitor->stream, msg_len - 4, timeout_ms, error)) {
	- GOTO (fail);
	- }
	-
	- if (!_mongoc_rpc_scatter (&rpc, buffer.data, buffer.len)) {
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Malformed message from server");
	- GOTO (fail);
	- }
	-
	- if (!_mongoc_rpc_decompress_if_necessary (&rpc, &buffer, error)) {
	- GOTO (fail);
	- }
	-
	- _mongoc_rpc_swab_from_le (&rpc);
	- memcpy (&msg_len, rpc.msg.sections[0].payload.bson_document, 4);
	- msg_len = BSON_UINT32_FROM_LE (msg_len);
	- if (!bson_init_static (
	- &reply_local, rpc.msg.sections[0].payload.bson_document, msg_len)) {
	- bson_set_error (error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	- "Malformed BSON payload from server");
	- GOTO (fail);
	- }
	-
	- bson_copy_to (&reply_local, hello_response);
	- server_monitor->more_to_come =
	- (rpc.msg.flags & MONGOC_MSG_MORE_TO_COME) != 0;
	-
	- ret = true;
	-fail:
	- if (!ret) {
	- bson_init (hello_response);
	- }
	- _mongoc_buffer_destroy (&buffer);
	- return ret;
	-}
	-
	-/* Send and receive an awaitable hello.
	- *
	- * Called only from server monitor thread.
	- * May lock server monitor mutex in functions that are called.
	- * May block for up to heartbeatFrequencyMS waiting for reply.
	- */
	-static bool
	-_server_monitor_awaitable_hello (mongoc_server_monitor_t *server_monitor,
	- const mongoc_server_description_t *description,
	- bson_t *hello_response,
	- bool *cancelled,
	- bson_error_t *error)
	-{
	- bson_t cmd;
	- const bson_t *hello;
	- bool ret = false;
	-
	- hello = _mongoc_topology_scanner_get_monitoring_cmd (
	- server_monitor->topology->scanner, description->hello_ok);
	- bson_copy_to (hello, &cmd);
	-
	- _server_monitor_append_cluster_time (server_monitor, &cmd);
	- bson_append_document (
	- &cmd, "topologyVersion", 15, &description->topology_version);
	- bson_append_int32 (
	- &cmd, "maxAwaitTimeMS", 14, server_monitor->heartbeat_frequency_ms);
	- bson_append_utf8 (&cmd, "$db", 3, "admin", 5);
	-
	- if (!_server_monitor_awaitable_hello_send (server_monitor, &cmd, error)) {
	- GOTO (fail);
	- }
	-
	- if (!_server_monitor_awaitable_hello_recv (
	- server_monitor, hello_response, cancelled, error)) {
	- bson_destroy (hello_response);
	- GOTO (fail);
	- }
	-
	- ret = true;
	-fail:
	- if (!ret) {
	- bson_init (hello_response);
	- }
	- bson_destroy (&cmd);
	- return ret;
	-}
	-
	-/* Update the topology description with a reply or an error.
	- *
	- * Called only from server monitor thread.
	- * Caller must hold no locks.
	- * Locks server monitor mutex.
	- */
	-static void
	-_update_topology_description (mongoc_server_monitor_t *server_monitor,
	- mongoc_server_description_t *description)
	-{
	- mongoc_topology_t *topology;
	- bson_t *hello_response = NULL;
	- mc_tpld_modification tdmod;
	-
	- topology = server_monitor->topology;
	- if (description->has_hello_response) {
	- hello_response = &description->last_hello_response;
	- }
	-
	- if (hello_response) {
	- _mongoc_topology_update_cluster_time (topology, hello_response);
	- }
	-
	- if (bson_atomic_int_fetch (&topology->scanner_state,
	- bson_memory_order_relaxed) ==
	- MONGOC_TOPOLOGY_SCANNER_SHUTTING_DOWN) {
	- return;
	- }
	-
	- tdmod = mc_tpld_modify_begin (topology);
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- server_monitor->shared.scan_requested = false;
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	- mongoc_topology_description_handle_hello (tdmod.new_td,
	- server_monitor->server_id,
	- hello_response,
	- description->round_trip_time_msec,
	- &description->error);
	- /* Reconcile server monitors. */
	- _mongoc_topology_background_monitoring_reconcile (topology, tdmod.new_td);
	- /* Wake threads performing server selection. */
	- mongoc_cond_broadcast (&server_monitor->topology->cond_client);
	- mc_tpld_modify_commit (tdmod);
	-}
	-
	-/* Create a new server monitor.
	- *
	- * Called during reconcile.
	- * Caller must hold topology lock.
	- */
	-mongoc_server_monitor_t *
	-mongoc_server_monitor_new (mongoc_topology_t *topology,
	- mongoc_topology_description_t *td,
	- mongoc_server_description_t *init_description)
	-{
	- mongoc_server_monitor_t *server_monitor =
	- bson_malloc0 (sizeof (*server_monitor));
	- server_monitor->description =
	- mongoc_server_description_new_copy (init_description);
	- server_monitor->server_id = init_description->id;
	- server_monitor->topology = topology;
	- server_monitor->heartbeat_frequency_ms = td->heartbeat_msec;
	- server_monitor->min_heartbeat_frequency_ms =
	- topology->min_heartbeat_frequency_msec;
	- server_monitor->connect_timeout_ms = topology->connect_timeout_msec;
	- server_monitor->uri = mongoc_uri_copy (topology->uri);
	-/* TODO CDRIVER-3682: Do not retrieve ssl opts from topology scanner. They
	- * should be stored somewhere else. */
	-#ifdef MONGOC_ENABLE_SSL
	- if (topology->scanner->ssl_opts) {
	- server_monitor->ssl_opts = bson_malloc0 (sizeof (mongoc_ssl_opt_t));
	-
	- _mongoc_ssl_opts_copy_to (
	- topology->scanner->ssl_opts, server_monitor->ssl_opts, true);
	- }
	-#endif
	- memcpy (&server_monitor->apm_callbacks,
	- &td->apm_callbacks,
	- sizeof (mongoc_apm_callbacks_t));
	- server_monitor->apm_context = td->apm_context;
	- server_monitor->initiator = topology->scanner->initiator;
	- server_monitor->initiator_context = topology->scanner->initiator_context;
	- mongoc_cond_init (&server_monitor->shared.cond);
	- bson_mutex_init (&server_monitor->shared.mutex);
	- return server_monitor;
	-}
	-
	-/* Creates a stream and performs the initial hello handshake.
	- *
	- * Called only by server monitor thread.
	- * Returns true if both connection and handshake succeeds.
	- * Returns false and sets error otherwise.
	- * hello_response is always initialized.
	- */
	-static bool
	-_server_monitor_setup_connection (mongoc_server_monitor_t *server_monitor,
	- bson_t *hello_response,
	- int64_t *start_us,
	- bson_error_t *error)
	-{
	- bson_t cmd = BSON_INITIALIZER;
	- bool ret = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT (!server_monitor->stream);
	- bson_init (hello_response);
	-
	- server_monitor->more_to_come = false;
	-
	- /* Using an initiator isn't really necessary. Users can't set them on
	- * pools. But it is used for tests. */
	- if (server_monitor->initiator) {
	- server_monitor->stream =
	- server_monitor->initiator (server_monitor->uri,
	- &server_monitor->description->host,
	- server_monitor->initiator_context,
	- error);
	- } else {
	- void *ssl_opts_void = NULL;
	-
	-#ifdef MONGOC_ENABLE_SSL
	- ssl_opts_void = server_monitor->ssl_opts;
	-#endif
	- server_monitor->stream =
	- mongoc_client_connect (false,
	- ssl_opts_void != NULL,
	- ssl_opts_void,
	- server_monitor->uri,
	- &server_monitor->description->host,
	- error);
	- }
	-
	- if (!server_monitor->stream) {
	- GOTO (fail);
	- }
	-
	- /* Update the start time just before the handshake. */
	- *start_us = _now_us ();
	- /* Perform handshake. */
	- bson_destroy (&cmd);
	- _mongoc_topology_dup_handshake_cmd (server_monitor->topology, &cmd);
	- _server_monitor_append_cluster_time (server_monitor, &cmd);
	- bson_destroy (hello_response);
	- if (!_server_monitor_send_and_recv_opquery (
	- server_monitor, &cmd, hello_response, error)) {
	- GOTO (fail);
	- }
	-
	- ret = true;
	-fail:
	- bson_destroy (&cmd);
	- RETURN (ret);
	-}
	-
	-/**
	- * @brief Perform a hello check on a server
	- *
	- * @param server_monitor The server monitor for this server.
	- * @param previous_description The most recent view of the description of this
	- * server.
	- * @param cancelled Output parameter: Whether the monitor check is cancelled.
	- * @return mongoc_server_description_t* The newly created updated server
	- * description.
	- *
	- * @note May update the topology description associated with the server monitor.
	- *
	- * @note In case of error, returns a new server description with the error
	- * information, but with no hello reply.
	- */
	-static mongoc_server_description_t *
	-_server_monitor_check_server (
	- mongoc_server_monitor_t *server_monitor,
	- const mongoc_server_description_t *previous_description,
	- bool *cancelled)
	-{
	- bool ret = false;
	- bson_error_t error;
	- bson_t hello_response;
	- int64_t duration_us;
	- int64_t start_us;
	- bool command_or_network_error = false;
	- bool awaited = false;
	- mongoc_server_description_t *description;
	- mc_tpld_modification tdmod;
	-
	- ENTRY;
	-
	- *cancelled = false;
	- memset (&error, 0, sizeof (bson_error_t));
	- description = bson_malloc0 (sizeof (mongoc_server_description_t));
	- mongoc_server_description_init (
	- description,
	- server_monitor->description->connection_address,
	- server_monitor->description->id);
	- start_us = _now_us ();
	-
	- if (!server_monitor->stream) {
	- MONITOR_LOG (server_monitor, "setting up connection");
	- awaited = false;
	- _server_monitor_heartbeat_started (server_monitor, awaited);
	- ret = _server_monitor_setup_connection (
	- server_monitor, &hello_response, &start_us, &error);
	- GOTO (exit);
	- }
	-
	- if (server_monitor->more_to_come) {
	- awaited = true;
	- /* Publish a heartbeat started for each additional response read. */
	- _server_monitor_heartbeat_started (server_monitor, awaited);
	- MONITOR_LOG (server_monitor, "more to come");
	- ret = _server_monitor_awaitable_hello_recv (
	- server_monitor, &hello_response, cancelled, &error);
	- GOTO (exit);
	- }
	-
	- if (!bson_empty (&previous_description->topology_version)) {
	- awaited = true;
	- _server_monitor_heartbeat_started (server_monitor, awaited);
	- MONITOR_LOG (server_monitor, "awaitable hello");
	- ret = _server_monitor_awaitable_hello (server_monitor,
	- previous_description,
	- &hello_response,
	- cancelled,
	- &error);
	- GOTO (exit);
	- }
	-
	- MONITOR_LOG (server_monitor, "polling hello");
	- awaited = false;
	- _server_monitor_heartbeat_started (server_monitor, awaited);
	- ret = _server_monitor_polling_hello (
	- server_monitor, previous_description->hello_ok, &hello_response, &error);
	-
	-exit:
	- duration_us = _now_us () - start_us;
	- MONITOR_LOG (
	- server_monitor, "server check duration (us): %" PRId64, duration_us);
	-
	- /* If ret is true, we have a reply. Check if "ok": 1. */
	- if (ret && _mongoc_cmd_check_ok (
	- &hello_response, MONGOC_ERROR_API_VERSION_2, &error)) {
	- int64_t rtt_ms = MONGOC_RTT_UNSET;
	-
	- /* rtt remains MONGOC_RTT_UNSET if awaited. */
	- if (!awaited) {
	- rtt_ms = duration_us / 1000;
	- }
	-
	- mongoc_server_description_handle_hello (
	- description, &hello_response, rtt_ms, NULL);
	- /* If the hello reply could not be parsed, consider this a command
	- * error. */
	- if (description->error.code) {
	- MONITOR_LOG_ERROR (server_monitor,
	- "error parsing server reply: %s",
	- description->error.message);
	- command_or_network_error = true;
	- _server_monitor_heartbeat_failed (
	- server_monitor, &description->error, duration_us, awaited);
	- } else {
	- _server_monitor_heartbeat_succeeded (
	- server_monitor, &hello_response, duration_us, awaited);
	- }
	- } else if (*cancelled) {
	- MONITOR_LOG (server_monitor, "server monitor cancelled");
	- if (server_monitor->stream) {
	- mongoc_stream_destroy (server_monitor->stream);
	- }
	- server_monitor->stream = NULL;
	- server_monitor->more_to_come = false;
	- _server_monitor_heartbeat_failed (
	- server_monitor, &description->error, duration_us, awaited);
	- } else {
	- /* The hello reply had "ok":0 or a network error occurred. */
	- MONITOR_LOG_ERROR (server_monitor,
	- "command or network error occurred: %s",
	- error.message);
	- command_or_network_error = true;
	- mongoc_server_description_handle_hello (
	- description, NULL, MONGOC_RTT_UNSET, &error);
	- _server_monitor_heartbeat_failed (
	- server_monitor, &description->error, duration_us, awaited);
	- }
	-
	- if (command_or_network_error) {
	- if (server_monitor->stream) {
	- mongoc_stream_failed (server_monitor->stream);
	- }
	- server_monitor->stream = NULL;
	- server_monitor->more_to_come = false;
	- tdmod = mc_tpld_modify_begin (server_monitor->topology);
	- /* clear_connection_pool() is a no-op if 'description->id' was already
	- * removed. */
	- _mongoc_topology_description_clear_connection_pool (
	- tdmod.new_td,
	- server_monitor->description->id,
	- &server_monitor->description->service_id);
	- mc_tpld_modify_commit (tdmod);
	- }
	-
	- bson_destroy (&hello_response);
	- return description;
	-}
	-
	-/* Request scan of a single server.
	- *
	- * Locks server monitor mutex to deliver scan_requested.
	- */
	-void
	-mongoc_server_monitor_request_scan (mongoc_server_monitor_t *server_monitor)
	-{
	- MONITOR_LOG (server_monitor, "requesting scan");
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- server_monitor->shared.scan_requested = true;
	- mongoc_cond_signal (&server_monitor->shared.cond);
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-}
	-
	-/* Request cancellation of an in progress awaitable hello.
	- *
	- * Called from app threads on network errors and during shutdown.
	- * Locks server monitor mutex.
	- */
	-void
	-mongoc_server_monitor_request_cancel (mongoc_server_monitor_t *server_monitor)
	-{
	- MONITOR_LOG (server_monitor, "requesting cancel");
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- server_monitor->shared.cancel_requested = true;
	- mongoc_cond_signal (&server_monitor->shared.cond);
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-}
	-
	-/* Wait for heartbeatFrequencyMS or minHeartbeatFrequencyMS if a scan is
	- * requested.
	- *
	- * Locks server monitor mutex.
	- */
	-void
	-mongoc_server_monitor_wait (mongoc_server_monitor_t *server_monitor)
	-{
	- int64_t start_ms;
	- int64_t scan_due_ms;
	-
	- start_ms = _now_ms ();
	- scan_due_ms = start_ms + server_monitor->heartbeat_frequency_ms;
	-
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- while (true) {
	- int64_t sleep_duration_ms;
	- int cond_ret;
	-
	- if (server_monitor->shared.state != MONGOC_THREAD_RUNNING) {
	- break;
	- }
	-
	- if (server_monitor->shared.scan_requested) {
	- server_monitor->shared.scan_requested = false;
	- scan_due_ms = start_ms + server_monitor->min_heartbeat_frequency_ms;
	- }
	-
	- sleep_duration_ms = scan_due_ms - _now_ms ();
	-
	- if (sleep_duration_ms <= 0) {
	- break;
	- }
	-
	- MONITOR_LOG (server_monitor, "sleeping for %" PRId64, sleep_duration_ms);
	- cond_ret = mongoc_cond_timedwait (&server_monitor->shared.cond,
	- &server_monitor->shared.mutex,
	- sleep_duration_ms);
	- if (mongo_cond_ret_is_timedout (cond_ret)) {
	- break;
	- }
	- }
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-}
	-
	-/* The server monitor thread function.
	- *
	- * Server monitor must be in state MONGOC_THREAD_OFF.
	- */
	-static BSON_THREAD_FUN (_server_monitor_thread, server_monitor_void)
	-{
	- mongoc_server_monitor_t *server_monitor;
	- mongoc_server_description_t *description;
	- mongoc_server_description_t *previous_description;
	-
	- server_monitor = (mongoc_server_monitor_t *) server_monitor_void;
	- description =
	- mongoc_server_description_new_copy (server_monitor->description);
	- previous_description = NULL;
	-
	- while (true) {
	- bool cancelled = false;
	-
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- if (server_monitor->shared.state != MONGOC_THREAD_RUNNING) {
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	- break;
	- }
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-
	- mongoc_server_description_destroy (previous_description);
	- previous_description = mongoc_server_description_new_copy (description);
	- mongoc_server_description_destroy (description);
	- description = _server_monitor_check_server (
	- server_monitor, previous_description, &cancelled);
	-
	- if (cancelled) {
	- mongoc_server_monitor_wait (server_monitor);
	- continue;
	- }
	-
	- _update_topology_description (server_monitor, description);
	-
	- /* Immediately proceed to the next check if the previous response was
	- * successful and included the topologyVersion field. */
	- if (description->type != MONGOC_SERVER_UNKNOWN &&
	- !bson_empty (&description->topology_version)) {
	- MONITOR_LOG (server_monitor,
	- "immediately proceeding due to topologyVersion");
	- continue;
	- }
	-
	- /* ... or the previous response included the moreToCome flag */
	- if (server_monitor->more_to_come) {
	- MONITOR_LOG (server_monitor,
	- "immediately proceeding due to moreToCome");
	- continue;
	- }
	-
	- /* ... or the server has just transitioned to Unknown due to a network
	- * error. */
	- if (_mongoc_error_is_network (&description->error) &&
	- previous_description->type != MONGOC_SERVER_UNKNOWN) {
	- MONITOR_LOG (server_monitor,
	- "immediately proceeding due to network error");
	- continue;
	- }
	-
	- mongoc_server_monitor_wait (server_monitor);
	- }
	-
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- server_monitor->shared.state = MONGOC_THREAD_JOINABLE;
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	- mongoc_server_description_destroy (previous_description);
	- mongoc_server_description_destroy (description);
	- BSON_THREAD_RETURN;
	-}
	-
	-static bool
	-_server_monitor_ping_server (mongoc_server_monitor_t *server_monitor,
	- bool hello_ok,
	- int64_t *rtt_ms)
	-{
	- bool ret = false;
	- int64_t start_us = _now_us ();
	- bson_t hello_response;
	- bson_error_t error;
	-
	- *rtt_ms = MONGOC_RTT_UNSET;
	-
	- if (!server_monitor->stream) {
	- MONITOR_LOG (server_monitor, "rtt setting up connection");
	- ret = _server_monitor_setup_connection (
	- server_monitor, &hello_response, &start_us, &error);
	- bson_destroy (&hello_response);
	- }
	-
	- if (server_monitor->stream) {
	- MONITOR_LOG (server_monitor, "rtt polling hello");
	- ret = _server_monitor_polling_hello (
	- server_monitor, hello_ok, &hello_response, &error);
	- if (ret) {
	- *rtt_ms = (_now_us () - start_us) / 1000;
	- }
	- bson_destroy (&hello_response);
	- }
	- return ret;
	-}
	-
	-/* The RTT monitor thread function.
	- *
	- * Server monitor must be in state MONGOC_THREAD_OFF.
	- */
	-static BSON_THREAD_FUN (_server_monitor_rtt_thread, server_monitor_void)
	-{
	- mongoc_server_monitor_t *server_monitor = server_monitor_void;
	-
	- while (true) {
	- int64_t rtt_ms;
	- bson_error_t error;
	- bool hello_ok;
	-
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- if (server_monitor->shared.state != MONGOC_THREAD_RUNNING) {
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	- break;
	- }
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-
	- {
	- mc_shared_tpld td = mc_tpld_take_ref (server_monitor->topology);
	- const mongoc_server_description_t *sd =
	- mongoc_topology_description_server_by_id_const (
	- td.ptr, server_monitor->description->id, &error);
	- hello_ok = sd ? sd->hello_ok : false;
	- mc_tpld_drop_ref (&td);
	- }
	-
	- _server_monitor_ping_server (server_monitor, hello_ok, &rtt_ms);
	- if (rtt_ms != MONGOC_RTT_UNSET) {
	- mc_tpld_modification tdmod =
	- mc_tpld_modify_begin (server_monitor->topology);
	- mongoc_server_description_t *const mut_sd =
	- mongoc_topology_description_server_by_id (
	- tdmod.new_td, server_monitor->description->id, &error);
	- if (mut_sd) {
	- mongoc_server_description_update_rtt (mut_sd, rtt_ms);
	- mc_tpld_modify_commit (tdmod);
	- } else {
	- /* If the server description has been removed, the RTT thread will
	- * be terminated by background monitoring soon, so we have nothing
	- * to do but wait until we are about to be stopped. */
	- mc_tpld_modify_drop (tdmod);
	- }
	- }
	- mongoc_server_monitor_wait (server_monitor);
	- }
	-
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- server_monitor->shared.state = MONGOC_THREAD_JOINABLE;
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	- BSON_THREAD_RETURN;
	-}
	-
	-void
	-mongoc_server_monitor_run (mongoc_server_monitor_t *server_monitor)
	-{
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- if (server_monitor->shared.state == MONGOC_THREAD_OFF) {
	- server_monitor->is_rtt = false;
	- server_monitor->shared.state = MONGOC_THREAD_RUNNING;
	- COMMON_PREFIX (thread_create)
	- (&server_monitor->thread, _server_monitor_thread, server_monitor);
	- }
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-}
	-
	-void
	-mongoc_server_monitor_run_as_rtt (mongoc_server_monitor_t *server_monitor)
	-{
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- if (server_monitor->shared.state == MONGOC_THREAD_OFF) {
	- server_monitor->is_rtt = true;
	- server_monitor->shared.state = MONGOC_THREAD_RUNNING;
	- COMMON_PREFIX (thread_create)
	- (&server_monitor->thread, _server_monitor_rtt_thread, server_monitor);
	- }
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-}
	-
	-/* Request thread shutdown.
	- *
	- * Returns true if in state MONGOC_THREAD_OFF and the server monitor can be
	- * safely destroyed.
	- * Called during topology description reconcile.
	- * Locks server monitor mutex.
	- */
	-bool
	-mongoc_server_monitor_request_shutdown (mongoc_server_monitor_t *server_monitor)
	-{
	- bool off = false;
	-
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- if (server_monitor->shared.state == MONGOC_THREAD_RUNNING) {
	- server_monitor->shared.state = MONGOC_THREAD_SHUTTING_DOWN;
	- }
	- if (server_monitor->shared.state == MONGOC_THREAD_JOINABLE) {
	- COMMON_PREFIX (thread_join) (server_monitor->thread);
	- server_monitor->shared.state = MONGOC_THREAD_OFF;
	- }
	- if (server_monitor->shared.state == MONGOC_THREAD_OFF) {
	- off = true;
	- }
	- mongoc_cond_signal (&server_monitor->shared.cond);
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	- /* Cancel an in-progress hello check. */
	- if (!off) {
	- mongoc_server_monitor_request_cancel (server_monitor);
	- }
	- return off;
	-}
	-
	-/* Request thread shutdown and block until the server monitor thread terminates.
	- *
	- * Called by one thread.
	- * Locks the server monitor mutex.
	- */
	-void
	-mongoc_server_monitor_wait_for_shutdown (
	- mongoc_server_monitor_t *server_monitor)
	-{
	- if (mongoc_server_monitor_request_shutdown (server_monitor)) {
	- return;
	- }
	-
	- /* Shutdown requested, but thread is not yet off. Wait. */
	- COMMON_PREFIX (thread_join) (server_monitor->thread);
	- bson_mutex_lock (&server_monitor->shared.mutex);
	- server_monitor->shared.state = MONGOC_THREAD_OFF;
	- bson_mutex_unlock (&server_monitor->shared.mutex);
	-}
	-
	-/* Destroy a server monitor.
	- *
	- * Called only by one thread.
	- * Caller must not hold server monitor lock.
	- * Server monitor thread is in state MONGOC_THREAD_OFF.
	- */
	-void
	-mongoc_server_monitor_destroy (mongoc_server_monitor_t *server_monitor)
	-{
	- if (!server_monitor) {
	- return;
	- }
	-
	- /* Locking not necessary since this is only called by one thread, and server
	- * monitor thread is no longer running. */
	- BSON_ASSERT (server_monitor->shared.state == MONGOC_THREAD_OFF);
	-
	- mongoc_server_description_destroy (server_monitor->description);
	- mongoc_stream_destroy (server_monitor->stream);
	- mongoc_uri_destroy (server_monitor->uri);
	- mongoc_cond_destroy (&server_monitor->shared.cond);
	- bson_mutex_destroy (&server_monitor->shared.mutex);
	-#ifdef MONGOC_ENABLE_SSL
	- if (server_monitor->ssl_opts) {
	- _mongoc_ssl_opts_cleanup (server_monitor->ssl_opts, true);
	- bson_free (server_monitor->ssl_opts);
	- }
	-#endif
	- bson_free (server_monitor);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream-private.h
	deleted file mode 100644
	index 6a1c61dd..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream-private.h
	+++ /dev/null
	@@ -1,61 +0,0 @@
	-/*
	- * Copyright 2015 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_SERVER_STREAM_H
	-#define MONGOC_SERVER_STREAM_H
	-
	-#include "mongoc-config.h"
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-topology-description-private.h"
	-#include "mongoc-server-description-private.h"
	-#include "mongoc-stream.h"
	-
	-BSON_BEGIN_DECLS
	-
	-typedef struct _mongoc_server_stream_t {
	- mongoc_topology_description_type_t topology_type;
	- mongoc_server_description_t sd; / owned */
	- bson_t cluster_time; /* owned */
	- mongoc_stream_t stream; / borrowed */
	-} mongoc_server_stream_t;
	-
	-
	-mongoc_server_stream_t *
	-mongoc_server_stream_new (const mongoc_topology_description_t *td,
	- mongoc_server_description_t *sd,
	- mongoc_stream_t *stream);
	-
	-int32_t
	-mongoc_server_stream_max_bson_obj_size (mongoc_server_stream_t *server_stream);
	-
	-int32_t
	-mongoc_server_stream_max_msg_size (mongoc_server_stream_t *server_stream);
	-
	-int32_t
	-mongoc_server_stream_max_write_batch_size (
	- mongoc_server_stream_t *server_stream);
	-
	-void
	-mongoc_server_stream_cleanup (mongoc_server_stream_t *server_stream);
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_SERVER_STREAM_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream.c
	deleted file mode 100644
	index 305db509..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream.c
	+++ /dev/null
	@@ -1,104 +0,0 @@
	-/*
	- * Copyright 2015 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "mongoc-cluster-private.h"
	-#include "mongoc-server-stream-private.h"
	-#include "mongoc-util-private.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "server-stream"
	-
	-mongoc_server_stream_t *
	-mongoc_server_stream_new (const mongoc_topology_description_t *td,
	- mongoc_server_description_t *sd,
	- mongoc_stream_t *stream)
	-{
	- mongoc_server_stream_t *server_stream;
	-
	- BSON_ASSERT (sd);
	- BSON_ASSERT (stream);
	-
	- server_stream = bson_malloc (sizeof (mongoc_server_stream_t));
	- server_stream->topology_type = td->type;
	- bson_copy_to (&td->cluster_time, &server_stream->cluster_time);
	- server_stream->sd = sd; /* becomes owned */
	- server_stream->stream = stream; /* merely borrowed */
	-
	- return server_stream;
	-}
	-
	-void
	-mongoc_server_stream_cleanup (mongoc_server_stream_t *server_stream)
	-{
	- if (server_stream) {
	- mongoc_server_description_destroy (server_stream->sd);
	- bson_destroy (&server_stream->cluster_time);
	- bson_free (server_stream);
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_server_stream_max_bson_obj_size --
	- *
	- * Return the max bson object size for the given server stream.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int32_t
	-mongoc_server_stream_max_bson_obj_size (mongoc_server_stream_t *server_stream)
	-{
	- return COALESCE (server_stream->sd->max_bson_obj_size,
	- MONGOC_DEFAULT_BSON_OBJ_SIZE);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_server_stream_max_msg_size --
	- *
	- * Return the max message size for the given server stream.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int32_t
	-mongoc_server_stream_max_msg_size (mongoc_server_stream_t *server_stream)
	-{
	- return COALESCE (server_stream->sd->max_msg_size,
	- MONGOC_DEFAULT_MAX_MSG_SIZE);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_server_stream_max_write_batch_size --
	- *
	- * Return the max write batch size for the given server stream.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int32_t
	-mongoc_server_stream_max_write_batch_size (
	- mongoc_server_stream_t *server_stream)
	-{
	- return COALESCE (server_stream->sd->max_write_batch_size,
	- MONGOC_DEFAULT_WRITE_BATCH_SIZE);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.c
	deleted file mode 100644
	index 21e094bf..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.c
	+++ /dev/null
	@@ -1,1578 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include <errno.h>
	-#include <string.h>
	-
	-#include "mongoc-counters-private.h"
	-#include "mongoc-errno-private.h"
	-#include "mongoc-socket-private.h"
	-#include "mongoc-host-list.h"
	-#include "mongoc-socket-private.h"
	-#include "mongoc-trace-private.h"
	-#ifdef _WIN32
	-#include <Mstcpip.h>
	-#include <process.h>
	-#endif
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "socket"
	-
	-
	-#define OPERATION_EXPIRED(expire_at) \
	- ((expire_at >= 0) && (expire_at < (bson_get_monotonic_time ())))
	-
	-
	-/* either struct sockaddr or void, depending on platform */
	-typedef MONGOC_SOCKET_ARG2 mongoc_sockaddr_t;
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_socket_capture_errno --
	- *
	- * Save the errno state for contextual use.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-_mongoc_socket_capture_errno (mongoc_socket_t sock) / IN */
	-{
	-#ifdef _WIN32
	- errno = sock->errno_ = WSAGetLastError ();
	-#else
	- sock->errno_ = errno;
	-#endif
	- TRACE ("setting errno: %d %s", sock->errno_, strerror (sock->errno_));
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_socket_setflags --
	- *
	- * A helper to set socket flags. Sets to nonblocking mode. On
	- * POSIX sets closeonexec.
	- *
	- *
	- * Returns:
	- * true if successful; otherwise false.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-#ifdef _WIN32
	-_mongoc_socket_setflags (SOCKET sd)
	-#else
	-_mongoc_socket_setflags (int sd)
	-#endif
	-{
	-#ifdef _WIN32
	- u_long io_mode = 1;
	- return (NO_ERROR == ioctlsocket (sd, FIONBIO, &io_mode));
	-#else
	- int flags;
	-
	- flags = fcntl (sd, F_GETFL);
	-
	- if (-1 == fcntl (sd, F_SETFL, (flags \| O_NONBLOCK))) {
	- return false;
	- }
	-
	-#ifdef FD_CLOEXEC
	- flags = fcntl (sd, F_GETFD);
	- if (-1 == fcntl (sd, F_SETFD, (flags \| FD_CLOEXEC))) {
	- return false;
	- }
	-#endif
	- return true;
	-#endif
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_socket_wait --
	- *
	- * A single socket poll helper.
	- *
	- * @events: in most cases should be POLLIN or POLLOUT.
	- *
	- * @expire_at should be an absolute time at which to expire using
	- * the monotonic clock (bson_get_monotonic_time(), which is in
	- * microseconds). Or zero to not block at all. Or -1 to block
	- * forever.
	- *
	- * Returns:
	- * true if an event matched. otherwise false.
	- * a timeout will return false.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_socket_wait (mongoc_socket_t sock, / IN */
	- int events, /* IN */
	- int64_t expire_at) /* IN */
	-{
	-#ifdef _WIN32
	- fd_set read_fds;
	- fd_set write_fds;
	- fd_set error_fds;
	- struct timeval timeout_tv;
	-#else
	- struct pollfd pfd;
	-#endif
	- int ret;
	- int timeout;
	- int64_t now;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (events);
	-
	-#ifdef _WIN32
	- FD_ZERO (&read_fds);
	- FD_ZERO (&write_fds);
	- FD_ZERO (&error_fds);
	-
	- if (events & POLLIN) {
	- FD_SET (sock->sd, &read_fds);
	- }
	-
	- if (events & POLLOUT) {
	- FD_SET (sock->sd, &write_fds);
	- }
	-
	- FD_SET (sock->sd, &error_fds);
	-#else
	- pfd.fd = sock->sd;
	- pfd.events = events \| POLLERR \| POLLHUP;
	- pfd.revents = 0;
	-#endif
	- now = bson_get_monotonic_time ();
	-
	- for (;;) {
	- if (expire_at < 0) {
	- timeout = -1;
	- } else if (expire_at == 0) {
	- timeout = 0;
	- } else {
	- timeout = (int) ((expire_at - now) / 1000L);
	- if (timeout < 0) {
	- timeout = 0;
	- }
	- }
	-
	-#ifdef _WIN32
	- if (timeout == -1) {
	- /* not WSAPoll: daniel.haxx.se/blog/2012/10/10/wsapoll-is-broken */
	- ret = select (0 /unused/, &read_fds, &write_fds, &error_fds, NULL);
	- } else {
	- timeout_tv.tv_sec = timeout / 1000;
	- timeout_tv.tv_usec = (timeout % 1000) * 1000;
	- ret = select (
	- 0 /unused/, &read_fds, &write_fds, &error_fds, &timeout_tv);
	- }
	- if (ret == SOCKET_ERROR) {
	- _mongoc_socket_capture_errno (sock);
	- ret = -1;
	- } else if (FD_ISSET (sock->sd, &error_fds)) {
	- errno = WSAECONNRESET;
	- ret = -1;
	- }
	-#else
	- ret = poll (&pfd, 1, timeout);
	-#endif
	-
	- if (ret > 0) {
	-/* Something happened, so return that */
	-#ifdef _WIN32
	- return (FD_ISSET (sock->sd, &read_fds) \|\|
	- FD_ISSET (sock->sd, &write_fds));
	-#else
	- RETURN (0 != (pfd.revents & events));
	-#endif
	- } else if (ret < 0) {
	- /* poll itself failed */
	-
	- TRACE ("errno is: %d", errno);
	- if (MONGOC_ERRNO_IS_AGAIN (errno)) {
	- if (OPERATION_EXPIRED (expire_at)) {
	- _mongoc_socket_capture_errno (sock);
	- RETURN (false);
	- } else {
	- continue;
	- }
	- } else {
	- /* poll failed for some non-transient reason */
	- _mongoc_socket_capture_errno (sock);
	- RETURN (false);
	- }
	- } else {
	- /* ret == 0, poll timed out */
	- if (timeout) {
	- mongoc_counter_streams_timeout_inc ();
	- }
	-#ifdef _WIN32
	- sock->errno_ = timeout ? WSAETIMEDOUT : EAGAIN;
	-#else
	- sock->errno_ = timeout ? ETIMEDOUT : EAGAIN;
	-#endif
	- RETURN (false);
	- }
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_poll --
	- *
	- * A multi-socket poll helper.
	- *
	- * @expire_at should be an absolute time at which to expire using
	- * the monotonic clock (bson_get_monotonic_time(), which is in
	- * microseconds). Or zero to not block at all. Or -1 to block
	- * forever.
	- *
	- * Returns:
	- * The number of sockets ready.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-ssize_t
	-mongoc_socket_poll (mongoc_socket_poll_t sds, / IN */
	- size_t nsds, /* IN */
	- int32_t timeout) /* IN */
	-{
	-#ifdef _WIN32
	- fd_set read_fds;
	- fd_set write_fds;
	- fd_set error_fds;
	- struct timeval timeout_tv;
	-#else
	- struct pollfd *pfds;
	-#endif
	- int ret;
	- int i;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sds);
	-
	-#ifdef _WIN32
	- FD_ZERO (&read_fds);
	- FD_ZERO (&write_fds);
	- FD_ZERO (&error_fds);
	-
	- for (i = 0; i < nsds; i++) {
	- if (sds[i].events & POLLIN) {
	- FD_SET (sds[i].socket->sd, &read_fds);
	- }
	-
	- if (sds[i].events & POLLOUT) {
	- FD_SET (sds[i].socket->sd, &write_fds);
	- }
	-
	- FD_SET (sds[i].socket->sd, &error_fds);
	- }
	-
	- timeout_tv.tv_sec = timeout / 1000;
	- timeout_tv.tv_usec = (timeout % 1000) * 1000;
	-
	- /* not WSAPoll: daniel.haxx.se/blog/2012/10/10/wsapoll-is-broken */
	- ret = select (0 /unused/, &read_fds, &write_fds, &error_fds, &timeout_tv);
	- if (ret == SOCKET_ERROR) {
	- errno = WSAGetLastError ();
	- return -1;
	- }
	-
	- for (i = 0; i < nsds; i++) {
	- if (FD_ISSET (sds[i].socket->sd, &read_fds)) {
	- sds[i].revents = POLLIN;
	- } else if (FD_ISSET (sds[i].socket->sd, &write_fds)) {
	- sds[i].revents = POLLOUT;
	- } else if (FD_ISSET (sds[i].socket->sd, &error_fds)) {
	- sds[i].revents = POLLHUP;
	- } else {
	- sds[i].revents = 0;
	- }
	- }
	-#else
	- pfds = (struct pollfd ) bson_malloc (sizeof (pfds) * nsds);
	-
	- for (i = 0; i < nsds; i++) {
	- pfds[i].fd = sds[i].socket->sd;
	- pfds[i].events = sds[i].events \| POLLERR \| POLLHUP;
	- pfds[i].revents = 0;
	- }
	-
	- ret = poll (pfds, nsds, timeout);
	- for (i = 0; i < nsds; i++) {
	- sds[i].revents = pfds[i].revents;
	- }
	-
	- bson_free (pfds);
	-#endif
	-
	- return ret;
	-}
	-
	-
	-/* https://jira.mongodb.org/browse/CDRIVER-2176 */
	-#define MONGODB_KEEPALIVEINTVL 10
	-#define MONGODB_KEEPIDLE 120
	-#define MONGODB_KEEPALIVECNT 9
	-
	-#ifdef _WIN32
	-static void
	-_mongoc_socket_setkeepalive_windows (SOCKET sd)
	-{
	- struct tcp_keepalive keepalive;
	- DWORD lpcbBytesReturned = 0;
	- HKEY hKey;
	- DWORD type;
	- DWORD data;
	- DWORD data_size = sizeof data;
	- const char *reg_key =
	- "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters";
	- keepalive.onoff = true;
	- keepalive.keepalivetime = MONGODB_KEEPIDLE * 1000;
	- keepalive.keepaliveinterval = MONGODB_KEEPALIVEINTVL * 1000;
	- /*
	- * Windows hardcodes probes to 10:
	- * https://msdn.microsoft.com/en-us/library/windows/desktop/dd877220(v=vs.85).aspx
	- * "On Windows Vista and later, the number of keep-alive probes (data
	- * retransmissions) is set to 10 and cannot be changed."
	- *
	- * Note that win2k (and seeminly all versions thereafter) do not set the
	- * registry value by default so there is no way to derive the default value
	- * programmatically. It is however listed in the docs. A user can however
	- * change the default value by setting the registry values.
	- */
	-
	- if (RegOpenKeyExA (HKEY_LOCAL_MACHINE, reg_key, 0, KEY_QUERY_VALUE, &hKey) ==
	- ERROR_SUCCESS) {
	- /* https://technet.microsoft.com/en-us/library/cc957549.aspx */
	- DWORD default_keepalivetime = 7200000; /* 2 hours */
	- /* https://technet.microsoft.com/en-us/library/cc957548.aspx */
	- DWORD default_keepaliveinterval = 1000; /* 1 second */
	-
	- if (RegQueryValueEx (
	- hKey, "KeepAliveTime", NULL, &type, (LPBYTE) &data, &data_size) ==
	- ERROR_SUCCESS) {
	- if (type == REG_DWORD && data < keepalive.keepalivetime) {
	- keepalive.keepalivetime = data;
	- }
	- } else if (default_keepalivetime < keepalive.keepalivetime) {
	- keepalive.keepalivetime = default_keepalivetime;
	- }
	-
	- if (RegQueryValueEx (hKey,
	- "KeepAliveInterval",
	- NULL,
	- &type,
	- (LPBYTE) &data,
	- &data_size) == ERROR_SUCCESS) {
	- if (type == REG_DWORD && data < keepalive.keepaliveinterval) {
	- keepalive.keepaliveinterval = data;
	- }
	- } else if (default_keepaliveinterval < keepalive.keepaliveinterval) {
	- keepalive.keepaliveinterval = default_keepaliveinterval;
	- }
	- RegCloseKey (hKey);
	- }
	- if (WSAIoctl (sd,
	- SIO_KEEPALIVE_VALS,
	- &keepalive,
	- sizeof keepalive,
	- NULL,
	- 0,
	- &lpcbBytesReturned,
	- NULL,
	- NULL) == SOCKET_ERROR) {
	- TRACE ("%s", "Could not set keepalive values");
	- } else {
	- TRACE ("%s", "KeepAlive values updated");
	- TRACE ("KeepAliveTime: %d", keepalive.keepalivetime);
	- TRACE ("KeepAliveInterval: %d", keepalive.keepaliveinterval);
	- }
	-}
	-#else
	-#ifdef MONGOC_TRACE
	-static const char *
	-_mongoc_socket_sockopt_value_to_name (int value)
	-{
	- switch (value) {
	-#ifdef TCP_KEEPIDLE
	- case TCP_KEEPIDLE:
	- return "TCP_KEEPIDLE";
	-#endif
	-#ifdef TCP_KEEPALIVE
	- case TCP_KEEPALIVE:
	- return "TCP_KEEPALIVE";
	-#endif
	-#ifdef TCP_KEEPINTVL
	- case TCP_KEEPINTVL:
	- return "TCP_KEEPINTVL";
	-#endif
	-#ifdef TCP_KEEPCNT
	- case TCP_KEEPCNT:
	- return "TCP_KEEPCNT";
	-#endif
	- default:
	- MONGOC_WARNING ("Don't know what socketopt %d is", value);
	- return "Unknown option name";
	- }
	-}
	-#endif
	-static void
	-_mongoc_socket_set_sockopt_if_less (int sd, int name, int value)
	-{
	- int optval = 1;
	- mongoc_socklen_t optlen;
	-
	- optlen = sizeof optval;
	- if (getsockopt (sd, IPPROTO_TCP, name, (char *) &optval, &optlen)) {
	- TRACE ("Getting '%s' failed, errno: %d",
	- _mongoc_socket_sockopt_value_to_name (name),
	- errno);
	- } else {
	- TRACE ("'%s' is %d, target value is %d",
	- _mongoc_socket_sockopt_value_to_name (name),
	- optval,
	- value);
	- if (optval > value) {
	- optval = value;
	- if (setsockopt (
	- sd, IPPROTO_TCP, name, (char *) &optval, sizeof optval)) {
	- TRACE ("Setting '%s' failed, errno: %d",
	- _mongoc_socket_sockopt_value_to_name (name),
	- errno);
	- } else {
	- TRACE ("'%s' value changed to %d",
	- _mongoc_socket_sockopt_value_to_name (name),
	- optval);
	- }
	- }
	- }
	-}
	-
	-static void
	-_mongoc_socket_setkeepalive_nix (int sd)
	-{
	-#if defined(TCP_KEEPIDLE)
	- _mongoc_socket_set_sockopt_if_less (sd, TCP_KEEPIDLE, MONGODB_KEEPIDLE);
	-#elif defined(TCP_KEEPALIVE)
	- _mongoc_socket_set_sockopt_if_less (sd, TCP_KEEPALIVE, MONGODB_KEEPIDLE);
	-#else
	- TRACE ("%s", "Neither TCP_KEEPIDLE nor TCP_KEEPALIVE available");
	-#endif
	-
	-#ifdef TCP_KEEPINTVL
	- _mongoc_socket_set_sockopt_if_less (
	- sd, TCP_KEEPINTVL, MONGODB_KEEPALIVEINTVL);
	-#else
	- TRACE ("%s", "TCP_KEEPINTVL not available");
	-#endif
	-
	-#ifdef TCP_KEEPCNT
	- _mongoc_socket_set_sockopt_if_less (sd, TCP_KEEPCNT, MONGODB_KEEPALIVECNT);
	-#else
	- TRACE ("%s", "TCP_KEEPCNT not available");
	-#endif
	-}
	-
	-#endif
	-static void
	-#ifdef _WIN32
	-_mongoc_socket_setkeepalive (SOCKET sd) /* IN */
	-#else
	-_mongoc_socket_setkeepalive (int sd) /* IN */
	-#endif
	-{
	-#ifdef SO_KEEPALIVE
	- int optval = 1;
	-
	- ENTRY;
	-#ifdef SO_KEEPALIVE
	- if (!setsockopt (
	- sd, SOL_SOCKET, SO_KEEPALIVE, (char *) &optval, sizeof optval)) {
	- TRACE ("%s", "Setting SO_KEEPALIVE");
	-#ifdef _WIN32
	- _mongoc_socket_setkeepalive_windows (sd);
	-#else
	- _mongoc_socket_setkeepalive_nix (sd);
	-#endif
	- } else {
	- TRACE ("%s", "Failed setting SO_KEEPALIVE");
	- }
	-#else
	- TRACE ("%s", "SO_KEEPALIVE not available");
	-#endif
	- EXIT;
	-#endif
	-}
	-
	-
	-static bool
	-#ifdef _WIN32
	-_mongoc_socket_setnodelay (SOCKET sd) /* IN */
	-#else
	-_mongoc_socket_setnodelay (int sd) /* IN */
	-#endif
	-{
	-#ifdef _WIN32
	- BOOL optval = 1;
	-#else
	- int optval = 1;
	-#endif
	- int ret;
	-
	- ENTRY;
	-
	- errno = 0;
	- ret = setsockopt (
	- sd, IPPROTO_TCP, TCP_NODELAY, (char *) &optval, sizeof optval);
	-
	-#ifdef _WIN32
	- if (ret == SOCKET_ERROR) {
	- MONGOC_WARNING ("WSAGetLastError(): %d", (int) WSAGetLastError ());
	- }
	-#endif
	-
	- RETURN (ret == 0);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_errno --
	- *
	- * Returns the last error on the socket.
	- *
	- * Returns:
	- * An integer errno, or 0 on no error.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int
	-mongoc_socket_errno (mongoc_socket_t sock) / IN */
	-{
	- BSON_ASSERT (sock);
	- TRACE ("Current errno: %d", sock->errno_);
	- return sock->errno_;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_socket_errno_is_again --
	- *
	- * Check to see if we should attempt to make further progress
	- * based on the error of the last operation.
	- *
	- * Returns:
	- * true if we should try again. otherwise false.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_socket_errno_is_again (mongoc_socket_t sock) / IN */
	-{
	- TRACE ("errno is: %d", sock->errno_);
	- return MONGOC_ERRNO_IS_AGAIN (sock->errno_);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_accept --
	- *
	- * Wrapper for BSD socket accept(). Handles portability between
	- * BSD sockets and WinSock2 on Windows Vista and newer.
	- *
	- * Returns:
	- * NULL upon failure to accept or timeout.
	- * A newly allocated mongoc_socket_t on success.
	- *
	- * Side effects:
	- * *port contains the client port number.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_socket_t *
	-mongoc_socket_accept (mongoc_socket_t sock, / IN */
	- int64_t expire_at) /* IN */
	-{
	- return mongoc_socket_accept_ex (sock, expire_at, NULL);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_accept_ex --
	- *
	- * Private synonym for mongoc_socket_accept, returning client port.
	- *
	- * Returns:
	- * NULL upon failure to accept or timeout.
	- * A newly allocated mongoc_socket_t on success.
	- *
	- * Side effects:
	- * *port contains the client port number.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_socket_t *
	-mongoc_socket_accept_ex (mongoc_socket_t sock, / IN */
	- int64_t expire_at, /* IN */
	- uint16_t port) / OUT */
	-{
	- mongoc_socket_t *client;
	- struct sockaddr_storage addr = {0};
	- mongoc_socklen_t addrlen = sizeof addr;
	- bool try_again = false;
	- bool failed = false;
	-#ifdef _WIN32
	- SOCKET sd;
	-#else
	- int sd;
	-#endif
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	-
	-again:
	- errno = 0;
	- sd = accept (sock->sd, (mongoc_sockaddr_t *) &addr, &addrlen);
	-
	- _mongoc_socket_capture_errno (sock);
	-#ifdef _WIN32
	- failed = (sd == INVALID_SOCKET);
	-#else
	- failed = (sd == -1);
	-#endif
	- try_again = (failed && _mongoc_socket_errno_is_again (sock));
	-
	- if (failed && try_again) {
	- if (_mongoc_socket_wait (sock, POLLIN, expire_at)) {
	- GOTO (again);
	- }
	- RETURN (NULL);
	- } else if (failed) {
	- RETURN (NULL);
	- } else if (!_mongoc_socket_setflags (sd)) {
	-#ifdef _WIN32
	- closesocket (sd);
	-#else
	- close (sd);
	-#endif
	- RETURN (NULL);
	- }
	-
	- client = (mongoc_socket_t ) bson_malloc0 (sizeof client);
	- client->sd = sd;
	-
	- if (port) {
	- if (addr.ss_family == AF_INET) {
	- struct sockaddr_in tmp = (struct sockaddr_in ) &addr;
	- *port = ntohs (tmp->sin_port);
	- } else {
	- struct sockaddr_in6 tmp = (struct sockaddr_in6 ) &addr;
	- *port = ntohs (tmp->sin6_port);
	- }
	- }
	-
	- if (!_mongoc_socket_setnodelay (client->sd)) {
	- MONGOC_WARNING ("Failed to enable TCP_NODELAY.");
	- }
	-
	- RETURN (client);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongo_socket_bind --
	- *
	- * A wrapper around bind().
	- *
	- * Returns:
	- * 0 on success, -1 on failure and errno is set.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int
	-mongoc_socket_bind (mongoc_socket_t sock, / IN */
	- const struct sockaddr addr, / IN */
	- mongoc_socklen_t addrlen) /* IN */
	-{
	- int ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (addr);
	- BSON_ASSERT (addrlen);
	-
	- ret = bind (sock->sd, addr, addrlen);
	-
	- _mongoc_socket_capture_errno (sock);
	-
	- RETURN (ret);
	-}
	-
	-
	-int
	-mongoc_socket_close (mongoc_socket_t sock) / IN */
	-{
	- bool owned;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	-
	-#ifdef _WIN32
	- owned = (sock->pid == (int) _getpid ());
	-
	- if (sock->sd != INVALID_SOCKET) {
	- if (owned) {
	- shutdown (sock->sd, SD_BOTH);
	- }
	-
	- if (0 == closesocket (sock->sd)) {
	- sock->sd = INVALID_SOCKET;
	- } else {
	- _mongoc_socket_capture_errno (sock);
	- RETURN (-1);
	- }
	- }
	- RETURN (0);
	-#else
	- owned = (sock->pid == (int) getpid ());
	-
	- if (sock->sd != -1) {
	- if (owned) {
	- shutdown (sock->sd, SHUT_RDWR);
	- }
	-
	- if (0 == close (sock->sd)) {
	- sock->sd = -1;
	- } else {
	- _mongoc_socket_capture_errno (sock);
	- RETURN (-1);
	- }
	- }
	- RETURN (0);
	-#endif
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_connect --
	- *
	- * Performs a socket connection but will fail if @expire_at is
	- * reached by the monotonic clock.
	- *
	- * Returns:
	- * 0 if success, otherwise -1 and errno is set.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int
	-mongoc_socket_connect (mongoc_socket_t sock, / IN */
	- const struct sockaddr addr, / IN */
	- mongoc_socklen_t addrlen, /* IN */
	- int64_t expire_at) /* IN */
	-{
	- bool try_again = false;
	- bool failed = false;
	- int ret;
	- int optval;
	- /* getsockopt parameter types vary, we check in CheckCompiler.m4 */
	- mongoc_socklen_t optlen = (mongoc_socklen_t) sizeof optval;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (addr);
	- BSON_ASSERT (addrlen);
	-
	- ret = connect (sock->sd, addr, addrlen);
	-
	-#ifdef _WIN32
	- if (ret == SOCKET_ERROR) {
	-#else
	- if (ret == -1) {
	-#endif
	- _mongoc_socket_capture_errno (sock);
	-
	- failed = true;
	- try_again = _mongoc_socket_errno_is_again (sock);
	- }
	-
	- if (failed && try_again) {
	- if (_mongoc_socket_wait (sock, POLLOUT, expire_at)) {
	- optval = -1;
	- ret = getsockopt (
	- sock->sd, SOL_SOCKET, SO_ERROR, (char *) &optval, &optlen);
	- if ((ret == 0) && (optval == 0)) {
	- RETURN (0);
	- } else {
	- errno = sock->errno_ = optval;
	- }
	- }
	- RETURN (-1);
	- } else if (failed) {
	- RETURN (-1);
	- } else {
	- RETURN (0);
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_destroy --
	- *
	- * Cleanup after a mongoc_socket_t structure, possibly closing
	- * underlying sockets.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @sock is freed and should be considered invalid.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_socket_destroy (mongoc_socket_t sock) / IN */
	-{
	- if (sock) {
	- mongoc_socket_close (sock);
	- bson_free (sock);
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_listen --
	- *
	- * Listen for incoming requests with a backlog up to @backlog.
	- *
	- * If @backlog is zero, a sensible default will be chosen.
	- *
	- * Returns:
	- * true if successful; otherwise false.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int
	-mongoc_socket_listen (mongoc_socket_t sock, / IN */
	- unsigned int backlog) /* IN */
	-{
	- int ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	-
	- if (backlog == 0) {
	- backlog = 10;
	- }
	-
	- ret = listen (sock->sd, backlog);
	-
	- _mongoc_socket_capture_errno (sock);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_new --
	- *
	- * Create a new socket and store the current process id on it.
	- *
	- * Free the result with mongoc_socket_destroy().
	- *
	- * Returns:
	- * A newly allocated socket.
	- * NULL on failure.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_socket_t *
	-mongoc_socket_new (int domain, /* IN */
	- int type, /* IN */
	- int protocol) /* IN */
	-{
	- mongoc_socket_t *sock;
	-#ifdef _WIN32
	- SOCKET sd;
	-#else
	- int sd;
	-#endif
	-#ifdef SO_NOSIGPIPE
	- int on = 1;
	-#endif
	-
	- ENTRY;
	-
	- sd = socket (domain, type, protocol);
	-
	-#ifdef _WIN32
	- if (sd == INVALID_SOCKET) {
	-#else
	- if (sd == -1) {
	-#endif
	- RETURN (NULL);
	- }
	-
	- if (!_mongoc_socket_setflags (sd)) {
	- GOTO (fail);
	- }
	-
	- if (domain != AF_UNIX) {
	- if (!_mongoc_socket_setnodelay (sd)) {
	- MONGOC_WARNING ("Failed to enable TCP_NODELAY.");
	- }
	- _mongoc_socket_setkeepalive (sd);
	- }
	-
	- /* Set SO_NOSIGPIPE, to ignore SIGPIPE on writes for platforms where
	- setting MSG_NOSIGNAL on writes is not supported (primarily OSX). */
	-#ifdef SO_NOSIGPIPE
	- setsockopt(sd, SOL_SOCKET, SO_NOSIGPIPE, &on, sizeof(on));
	-#endif
	-
	- sock = (mongoc_socket_t ) bson_malloc0 (sizeof sock);
	- sock->sd = sd;
	- sock->domain = domain;
	-#ifdef _WIN32
	- sock->pid = (int) _getpid ();
	-#else
	- sock->pid = (int) getpid ();
	-#endif
	-
	- RETURN (sock);
	-
	-fail:
	-#ifdef _WIN32
	- closesocket (sd);
	-#else
	- close (sd);
	-#endif
	-
	- RETURN (NULL);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_recv --
	- *
	- * A portable wrapper around recv() that also respects an absolute
	- * timeout.
	- *
	- * @expire_at is 0 for no blocking, -1 for infinite blocking,
	- * or a time using the monotonic clock to expire. Calculate this
	- * using bson_get_monotonic_time() + N_MICROSECONDS.
	- *
	- * Returns:
	- * The number of bytes received on success.
	- * 0 on end of stream.
	- * -1 on failure.
	- *
	- * Side effects:
	- * @buf will be read into.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-ssize_t
	-mongoc_socket_recv (mongoc_socket_t sock, / IN */
	- void buf, / OUT */
	- size_t buflen, /* IN */
	- int flags, /* IN */
	- int64_t expire_at) /* IN */
	-{
	- ssize_t ret = 0;
	- bool failed = false;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (buf);
	- BSON_ASSERT (buflen);
	-
	-again:
	- sock->errno_ = 0;
	-#ifdef _WIN32
	- ret = recv (sock->sd, (char *) buf, (int) buflen, flags);
	- failed = (ret == SOCKET_ERROR);
	-#else
	- ret = recv (sock->sd, buf, buflen, flags);
	- failed = (ret == -1);
	-#endif
	- if (failed) {
	- _mongoc_socket_capture_errno (sock);
	- if (_mongoc_socket_errno_is_again (sock) &&
	- _mongoc_socket_wait (sock, POLLIN, expire_at)) {
	- GOTO (again);
	- }
	- }
	-
	- if (failed) {
	- RETURN (-1);
	- }
	-
	- mongoc_counter_streams_ingress_add (ret);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_setsockopt --
	- *
	- * A wrapper around setsockopt().
	- *
	- * Returns:
	- * 0 on success, -1 on failure.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int
	-mongoc_socket_setsockopt (mongoc_socket_t sock, / IN */
	- int level, /* IN */
	- int optname, /* IN */
	- const void optval, / IN */
	- mongoc_socklen_t optlen) /* IN */
	-{
	- int ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	-
	- ret = setsockopt (sock->sd, level, optname, optval, optlen);
	-
	- _mongoc_socket_capture_errno (sock);
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_send --
	- *
	- * A simplified wrapper around mongoc_socket_sendv().
	- *
	- * @expire_at is 0 for no blocking, -1 for infinite blocking,
	- * or a time using the monotonic clock to expire. Calculate this
	- * using bson_get_monotonic_time() + N_MICROSECONDS.
	- *
	- * Returns:
	- * -1 on failure. number of bytes written on success.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-ssize_t
	-mongoc_socket_send (mongoc_socket_t sock, / IN */
	- const void buf, / IN */
	- size_t buflen, /* IN */
	- int64_t expire_at) /* IN */
	-{
	- mongoc_iovec_t iov;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (buf);
	- BSON_ASSERT (buflen);
	-
	- iov.iov_base = (void *) buf;
	- iov.iov_len = buflen;
	-
	- return mongoc_socket_sendv (sock, &iov, 1, expire_at);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_socket_try_sendv_slow --
	- *
	- * A slow variant of _mongoc_socket_try_sendv() that sends each
	- * iovec entry one by one. This can happen if we hit EMSGSIZE
	- * with sendmsg() on various POSIX systems or WSASend()+WSAEMSGSIZE
	- * on Windows.
	- *
	- * Returns:
	- * the number of bytes sent or -1 and errno is set.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static ssize_t
	-_mongoc_socket_try_sendv_slow (mongoc_socket_t sock, / IN */
	- mongoc_iovec_t iov, / IN */
	- size_t iovcnt) /* IN */
	-{
	- ssize_t ret = 0;
	- size_t i;
	- ssize_t wrote;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (iov);
	- BSON_ASSERT (iovcnt);
	-
	- for (i = 0; i < iovcnt; i++) {
	- wrote = send (sock->sd, iov[i].iov_base, iov[i].iov_len, 0);
	-#ifdef _WIN32
	- if (wrote == SOCKET_ERROR) {
	-#else
	- if (wrote == -1) {
	-#endif
	- _mongoc_socket_capture_errno (sock);
	-
	- if (!_mongoc_socket_errno_is_again (sock)) {
	- RETURN (-1);
	- }
	- RETURN (ret ? ret : -1);
	- }
	-
	- ret += wrote;
	-
	- if (wrote != iov[i].iov_len) {
	- RETURN (ret);
	- }
	- }
	-
	- RETURN (ret);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_socket_try_sendv --
	- *
	- * Helper used by mongoc_socket_sendv() to try to write as many
	- * bytes to the underlying socket until the socket buffer is full.
	- *
	- * This is performed in a non-blocking fashion.
	- *
	- * Returns:
	- * -1 on failure. the number of bytes written on success.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static ssize_t
	-_mongoc_socket_try_sendv (mongoc_socket_t sock, / IN */
	- mongoc_iovec_t iov, / IN */
	- size_t iovcnt) /* IN */
	-{
	-#ifdef _WIN32
	- DWORD dwNumberofBytesSent = 0;
	- int ret;
	-#else
	- struct msghdr msg;
	- ssize_t ret;
	-#endif
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (iov);
	- BSON_ASSERT (iovcnt);
	-
	- DUMP_IOVEC (sendbuf, iov, iovcnt);
	-
	-#ifdef _WIN32
	- ret = WSASend (
	- sock->sd, (LPWSABUF) iov, iovcnt, &dwNumberofBytesSent, 0, NULL, NULL);
	- TRACE ("WSASend sent: %ld (out of: %ld), ret: %d",
	- dwNumberofBytesSent,
	- iov->iov_len,
	- ret);
	-#else
	- memset (&msg, 0, sizeof msg);
	- msg.msg_iov = iov;
	- msg.msg_iovlen = (int) iovcnt;
	- ret = sendmsg (sock->sd,
	- &msg,
	-#ifdef MSG_NOSIGNAL
	- MSG_NOSIGNAL);
	-#else
	- 0);
	-#endif
	- TRACE ("Send %ld out of %ld bytes", ret, iov->iov_len);
	-#endif
	-
	-
	-#ifdef _WIN32
	- if (ret == SOCKET_ERROR) {
	-#else
	- if (ret == -1) {
	-#endif
	- _mongoc_socket_capture_errno (sock);
	-
	-/*
	- * Check to see if we have sent an iovec too large for sendmsg to
	- * complete. If so, we need to fallback to the slow path of multiple
	- * send() commands.
	- */
	-#ifdef _WIN32
	- if (mongoc_socket_errno (sock) == WSAEMSGSIZE) {
	-#else
	- if (mongoc_socket_errno (sock) == EMSGSIZE) {
	-#endif
	- RETURN (_mongoc_socket_try_sendv_slow (sock, iov, iovcnt));
	- }
	-
	- RETURN (-1);
	- }
	-
	-#ifdef _WIN32
	- RETURN (dwNumberofBytesSent);
	-#else
	- RETURN (ret);
	-#endif
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_sendv --
	- *
	- * A wrapper around using sendmsg() to send an iovec.
	- * This also deals with the structure differences between
	- * WSABUF and struct iovec.
	- *
	- * @expire_at is 0 for no blocking, -1 for infinite blocking,
	- * or a time using the monotonic clock to expire. Calculate this
	- * using bson_get_monotonic_time() + N_MICROSECONDS.
	- *
	- * Returns:
	- * -1 on failure.
	- * the number of bytes written on success.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-ssize_t
	-mongoc_socket_sendv (mongoc_socket_t sock, / IN */
	- mongoc_iovec_t in_iov, / IN */
	- size_t iovcnt, /* IN */
	- int64_t expire_at) /* IN */
	-{
	- ssize_t ret = 0;
	- ssize_t sent;
	- size_t cur = 0;
	- mongoc_iovec_t *iov;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	- BSON_ASSERT (in_iov);
	- BSON_ASSERT (iovcnt);
	-
	- iov = bson_malloc (sizeof (iov) iovcnt);
	- memcpy (iov, in_iov, sizeof (iov) iovcnt);
	-
	- for (;;) {
	- sent = _mongoc_socket_try_sendv (sock, &iov[cur], iovcnt - cur);
	- TRACE (
	- "Sent %ld (of %ld) out of iovcnt=%ld", sent, iov[cur].iov_len, iovcnt);
	-
	- /*
	- * If we failed with anything other than EAGAIN or EWOULDBLOCK,
	- * we should fail immediately as there is another issue with the
	- * underlying socket.
	- */
	- if (sent == -1) {
	- if (!_mongoc_socket_errno_is_again (sock)) {
	- ret = -1;
	- GOTO (CLEANUP);
	- }
	- }
	-
	- /*
	- * Update internal stream counters.
	- */
	- if (sent > 0) {
	- ret += sent;
	- mongoc_counter_streams_egress_add (sent);
	-
	- /*
	- * Subtract the sent amount from what we still need to send.
	- */
	- while ((cur < iovcnt) && (sent >= (ssize_t) iov[cur].iov_len)) {
	- TRACE ("still got bytes left: sent -= iov_len: %ld -= %ld",
	- sent,
	- iov[cur].iov_len);
	- sent -= iov[cur++].iov_len;
	- }
	-
	- /*
	- * Check if that made us finish all of the iovecs. If so, we are done
	- * sending data over the socket.
	- */
	- if (cur == iovcnt) {
	- TRACE ("%s", "Finished the iovecs");
	- break;
	- }
	-
	- /*
	- * Increment the current iovec buffer to its proper offset and adjust
	- * the number of bytes to write.
	- */
	- TRACE ("Seeked io_base+%ld", sent);
	- TRACE (
	- "Subtracting iov_len -= sent; %ld -= %ld", iov[cur].iov_len, sent);
	- iov[cur].iov_base = ((char *) iov[cur].iov_base) + sent;
	- iov[cur].iov_len -= sent;
	- TRACE ("iov_len remaining %ld", iov[cur].iov_len);
	-
	- BSON_ASSERT (iovcnt - cur);
	- BSON_ASSERT (iov[cur].iov_len);
	- } else if (OPERATION_EXPIRED (expire_at)) {
	- if (expire_at > 0) {
	- mongoc_counter_streams_timeout_inc ();
	- }
	- GOTO (CLEANUP);
	- }
	-
	- /*
	- * Block on poll() until our desired condition is met.
	- */
	- if (!_mongoc_socket_wait (sock, POLLOUT, expire_at)) {
	- GOTO (CLEANUP);
	- }
	- }
	-
	-CLEANUP:
	- bson_free (iov);
	-
	- RETURN (ret);
	-}
	-
	-
	-int
	-mongoc_socket_getsockname (mongoc_socket_t sock, / IN */
	- struct sockaddr addr, / OUT */
	- mongoc_socklen_t addrlen) / INOUT */
	-{
	- int ret;
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	-
	- ret = getsockname (sock->sd, addr, addrlen);
	-
	- _mongoc_socket_capture_errno (sock);
	-
	- RETURN (ret);
	-}
	-
	-
	-char *
	-mongoc_socket_getnameinfo (mongoc_socket_t sock) / IN */
	-{
	- /* getpeername parameter types vary, we check in CheckCompiler.m4 */
	- struct sockaddr_storage addr;
	- mongoc_socklen_t len = (mongoc_socklen_t) sizeof addr;
	- char *ret;
	- char host[BSON_HOST_NAME_MAX + 1];
	-
	- ENTRY;
	-
	- BSON_ASSERT (sock);
	-
	- if (getpeername (sock->sd, (struct sockaddr *) &addr, &len)) {
	- RETURN (NULL);
	- }
	-
	- if (getnameinfo (
	- (struct sockaddr *) &addr, len, host, sizeof host, NULL, 0, 0)) {
	- RETURN (NULL);
	- }
	-
	- ret = bson_strdup (host);
	- RETURN (ret);
	-}
	-
	-
	-bool
	-mongoc_socket_check_closed (mongoc_socket_t sock) / IN */
	-{
	- bool closed = false;
	- char buf[1];
	- ssize_t r;
	-
	- if (_mongoc_socket_wait (sock, POLLIN, 0)) {
	- sock->errno_ = 0;
	-
	- r = recv (sock->sd, buf, 1, MSG_PEEK);
	-
	- if (r < 0) {
	- _mongoc_socket_capture_errno (sock);
	- }
	-
	- if (r < 1) {
	- closed = true;
	- }
	- }
	-
	- return closed;
	-}
	-
	-/*
	- *
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_socket_inet_ntop --
	- *
	- * Convert the ip from addrinfo into a c string.
	- *
	- * Returns:
	- * The value is returned into 'buffer'. The memory has to be allocated
	- * by the caller
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_socket_inet_ntop (struct addrinfo rp, / IN */
	- char buf, / INOUT */
	- size_t buflen) /* IN */
	-{
	- void *ptr;
	- char tmp[256];
	-
	- switch (rp->ai_family) {
	- case AF_INET:
	- ptr = &((struct sockaddr_in *) rp->ai_addr)->sin_addr;
	- inet_ntop (rp->ai_family, ptr, tmp, sizeof (tmp));
	- bson_snprintf (buf, buflen, "ipv4 %s", tmp);
	- break;
	- case AF_INET6:
	- ptr = &((struct sockaddr_in6 *) rp->ai_addr)->sin6_addr;
	- inet_ntop (rp->ai_family, ptr, tmp, sizeof (tmp));
	- bson_snprintf (buf, buflen, "ipv6 %s", tmp);
	- break;
	- default:
	- bson_snprintf (buf, buflen, "unknown ip %d", rp->ai_family);
	- break;
	- }
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-private.h
	deleted file mode 100644
	index e5fb572e..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-private.h
	+++ /dev/null
	@@ -1,190 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_TOPOLOGY_DESCRIPTION_PRIVATE_H
	-#define MONGOC_TOPOLOGY_DESCRIPTION_PRIVATE_H
	-
	-#include "mongoc-set-private.h"
	-#include "mongoc-server-description.h"
	-#include "mongoc-array-private.h"
	-#include "mongoc-topology-description.h"
	-#include "mongoc-apm-private.h"
	-
	-
	-typedef enum {
	- MONGOC_TOPOLOGY_UNKNOWN,
	- MONGOC_TOPOLOGY_SHARDED,
	- MONGOC_TOPOLOGY_RS_NO_PRIMARY,
	- MONGOC_TOPOLOGY_RS_WITH_PRIMARY,
	- MONGOC_TOPOLOGY_SINGLE,
	- MONGOC_TOPOLOGY_LOAD_BALANCED,
	- MONGOC_TOPOLOGY_DESCRIPTION_TYPES
	-} mongoc_topology_description_type_t;
	-
	-struct _mongoc_topology_description_t {
	- bson_oid_t topology_id;
	- bool opened;
	- mongoc_topology_description_type_t type;
	- int64_t heartbeat_msec;
	- mongoc_set_t *_servers_;
	- char *set_name;
	- int64_t max_set_version;
	- bson_oid_t max_election_id;
	- bson_error_t compatibility_error;
	- uint32_t max_server_id;
	- bool stale;
	- unsigned int rand_seed;
	-
	- /* the greatest seen cluster time, for a MongoDB 3.6+ sharded cluster.
	- * see Driver Sessions Spec. */
	- bson_t cluster_time;
	-
	- /* smallest seen logicalSessionTimeoutMinutes, or -1 if any server has no
	- * logicalSessionTimeoutMinutes. see Server Discovery and Monitoring Spec */
	- int64_t session_timeout_minutes;
	-
	- mongoc_apm_callbacks_t apm_callbacks;
	- void *apm_context;
	-};
	-
	-typedef enum { MONGOC_SS_READ, MONGOC_SS_WRITE } mongoc_ss_optype_t;
	-
	-void
	-mongoc_topology_description_init (mongoc_topology_description_t *description,
	- int64_t heartbeat_msec);
	-
	-
	-/**
	- * @brief Get a pointer to the set of server descriptions in the topology
	- * description.
	- */
	-static BSON_INLINE mongoc_set_t *
	-mc_tpld_servers (mongoc_topology_description_t *tpld)
	-{
	- BSON_ASSERT_PARAM (tpld);
	- return tpld->_servers_;
	-}
	-
	-static BSON_INLINE const mongoc_set_t *
	-mc_tpld_servers_const (const mongoc_topology_description_t *tpld)
	-{
	- BSON_ASSERT_PARAM (tpld);
	- return tpld->_servers_;
	-}
	-
	-void
	-_mongoc_topology_description_copy_to (const mongoc_topology_description_t *src,
	- mongoc_topology_description_t *dst);
	-
	-void
	-mongoc_topology_description_cleanup (
	- mongoc_topology_description_t *description);
	-
	-void
	-mongoc_topology_description_handle_hello (
	- mongoc_topology_description_t *topology,
	- uint32_t server_id,
	- const bson_t *hello_response,
	- int64_t rtt_msec,
	- const bson_error_t error / IN */);
	-
	-mongoc_server_description_t const *
	-mongoc_topology_description_select (
	- const mongoc_topology_description_t *description,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_pref,
	- int64_t local_threshold_ms);
	-
	-mongoc_server_description_t *
	-mongoc_topology_description_server_by_id (
	- mongoc_topology_description_t *description,
	- uint32_t id,
	- bson_error_t *error);
	-
	-const mongoc_server_description_t *
	-mongoc_topology_description_server_by_id_const (
	- const mongoc_topology_description_t *description,
	- uint32_t id,
	- bson_error_t *error);
	-
	-int32_t
	-mongoc_topology_description_lowest_max_wire_version (
	- const mongoc_topology_description_t *td);
	-
	-bool
	-mongoc_topology_description_all_sds_have_write_date (
	- const mongoc_topology_description_t *td);
	-
	-bool
	-_mongoc_topology_description_validate_max_staleness (
	- const mongoc_topology_description_t *td,
	- int64_t max_staleness_seconds,
	- bson_error_t *error);
	-
	-void
	-mongoc_topology_description_suitable_servers (
	- mongoc_array_t set, / OUT */
	- mongoc_ss_optype_t optype,
	- const mongoc_topology_description_t *topology,
	- const mongoc_read_prefs_t *read_pref,
	- size_t local_threshold_ms);
	-
	-bool
	-mongoc_topology_description_has_data_node (
	- const mongoc_topology_description_t *td);
	-
	-void
	-mongoc_topology_description_invalidate_server (
	- mongoc_topology_description_t *topology,
	- uint32_t id,
	- const bson_error_t error / IN */);
	-
	-bool
	-mongoc_topology_description_add_server (mongoc_topology_description_t *topology,
	- const char *server,
	- uint32_t id / OUT */);
	-
	-void
	-mongoc_topology_description_update_cluster_time (
	- mongoc_topology_description_t td, const bson_t reply);
	-
	-void
	-mongoc_topology_description_reconcile (mongoc_topology_description_t *td,
	- mongoc_host_list_t *host_list);
	-
	-/**
	- * @brief Invalidate open connnections to a server.
	- *
	- * Pooled clients with open connections will discover the invalidation
	- * the next time they fetch a stream to the server.
	- *
	- * @param td The topology description that will be updated.
	- * @param server_id The ID of the server to invalidate.
	- * @param service_id A service ID for load-balanced deployments. Use
	- * kZeroServiceID if not applicable.
	- *
	- * @note Not applicable to single-threaded clients, which only maintain a
	- * single connection per server and therefore have no connection pool.
	- */
	-void
	-_mongoc_topology_description_clear_connection_pool (
	- mongoc_topology_description_t *td,
	- uint32_t server_id,
	- const bson_oid_t *service_id);
	-
	-#endif /* MONGOC_TOPOLOGY_DESCRIPTION_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.c
	deleted file mode 100644
	index c121fcdb..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.c
	+++ /dev/null
	@@ -1,2350 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-array-private.h"
	-#include "mongoc-error.h"
	-#include "mongoc-server-description-private.h"
	-#include "mongoc-topology-description-apm-private.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-read-prefs-private.h"
	-#include "mongoc-set-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-thread-private.h"
	-#include "mongoc-host-list-private.h"
	-#include "utlist.h"
	-
	-
	-static bool
	-_is_data_node (const mongoc_server_description_t *sd)
	-{
	- switch (sd->type) {
	- case MONGOC_SERVER_MONGOS:
	- case MONGOC_SERVER_STANDALONE:
	- case MONGOC_SERVER_RS_SECONDARY:
	- case MONGOC_SERVER_RS_PRIMARY:
	- case MONGOC_SERVER_LOAD_BALANCER:
	- return true;
	- case MONGOC_SERVER_RS_OTHER:
	- case MONGOC_SERVER_RS_ARBITER:
	- case MONGOC_SERVER_UNKNOWN:
	- case MONGOC_SERVER_POSSIBLE_PRIMARY:
	- case MONGOC_SERVER_RS_GHOST:
	- case MONGOC_SERVER_DESCRIPTION_TYPES:
	- default:
	- return false;
	- }
	-}
	-
	-
	-static void
	-_mongoc_topology_server_dtor (void server_, void ctx_)
	-{
	- mongoc_server_description_destroy ((mongoc_server_description_t *) server_);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_init --
	- *
	- * Initialize the given topology description
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-mongoc_topology_description_init (mongoc_topology_description_t *description,
	- int64_t heartbeat_msec)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (description);
	-
	- memset (description, 0, sizeof (*description));
	-
	- bson_oid_init (&description->topology_id, NULL);
	- description->opened = false;
	- description->type = MONGOC_TOPOLOGY_UNKNOWN;
	- description->heartbeat_msec = heartbeat_msec;
	- description->_servers_ =
	- mongoc_set_new (8, _mongoc_topology_server_dtor, NULL);
	- description->set_name = NULL;
	- description->max_set_version = MONGOC_NO_SET_VERSION;
	- description->stale = true;
	- description->rand_seed = (unsigned int) bson_get_monotonic_time ();
	- bson_init (&description->cluster_time);
	- description->session_timeout_minutes = MONGOC_NO_SESSIONS;
	-
	- EXIT;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_copy_to --
	- *
	- * Deep-copy @src to an uninitialized topology description @dst.
	- * @dst must not already point to any allocated resources. Clean
	- * up with mongoc_topology_description_cleanup.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_mongoc_topology_description_copy_to (const mongoc_topology_description_t *src,
	- mongoc_topology_description_t *dst)
	-{
	- size_t nitems;
	- size_t i;
	- const mongoc_server_description_t *sd;
	- uint32_t id;
	-
	- ENTRY;
	-
	- BSON_ASSERT (src);
	- BSON_ASSERT (dst);
	-
	- bson_oid_copy (&src->topology_id, &dst->topology_id);
	- bson_oid_copy (&src->max_election_id, &dst->max_election_id);
	- dst->opened = src->opened;
	- dst->type = src->type;
	- dst->heartbeat_msec = src->heartbeat_msec;
	- dst->rand_seed = src->rand_seed;
	-
	- nitems = bson_next_power_of_two (mc_tpld_servers_const (src)->items_len);
	- dst->_servers_ = mongoc_set_new (nitems, _mongoc_topology_server_dtor, NULL);
	- for (i = 0; i < mc_tpld_servers_const (src)->items_len; i++) {
	- sd = mongoc_set_get_item_and_id_const (
	- mc_tpld_servers_const (src), (int) i, &id);
	- mongoc_set_add (
	- mc_tpld_servers (dst), id, mongoc_server_description_new_copy (sd));
	- }
	-
	- dst->set_name = bson_strdup (src->set_name);
	- dst->max_set_version = src->max_set_version;
	- memcpy (&dst->compatibility_error,
	- &src->compatibility_error,
	- sizeof (bson_error_t));
	- dst->max_server_id = src->max_server_id;
	- dst->stale = src->stale;
	- memcpy (&dst->apm_callbacks,
	- &src->apm_callbacks,
	- sizeof (mongoc_apm_callbacks_t));
	-
	- dst->apm_context = src->apm_context;
	-
	- bson_copy_to (&src->cluster_time, &dst->cluster_time);
	-
	- dst->session_timeout_minutes = src->session_timeout_minutes;
	-
	- EXIT;
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_new_copy --
	- *
	- * Allocates a new topology description and deep-copies @description to it
	- * using _mongoc_topology_description_copy_to.
	- *
	- * Returns:
	- * A copy of a topology description that you must destroy with
	- * mongoc_topology_description_destroy, or NULL if @description is NULL.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-mongoc_topology_description_t *
	-mongoc_topology_description_new_copy (
	- const mongoc_topology_description_t *description)
	-{
	- mongoc_topology_description_t *copy;
	-
	- if (!description) {
	- return NULL;
	- }
	-
	- copy = (mongoc_topology_description_t ) bson_malloc0 (sizeof (copy));
	-
	- _mongoc_topology_description_copy_to (description, copy);
	-
	- return copy;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_cleanup --
	- *
	- * Destroy allocated resources within @description but don't free it.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-mongoc_topology_description_cleanup (mongoc_topology_description_t *description)
	-{
	- ENTRY;
	-
	- BSON_ASSERT (description);
	-
	- if (mc_tpld_servers (description)) {
	- mongoc_set_destroy (mc_tpld_servers (description));
	- }
	-
	- if (description->set_name) {
	- bson_free (description->set_name);
	- }
	-
	- bson_destroy (&description->cluster_time);
	-
	- EXIT;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_destroy --
	- *
	- * Destroy allocated resources within @description and free
	- * @description.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-mongoc_topology_description_destroy (mongoc_topology_description_t *description)
	-{
	- ENTRY;
	-
	- if (!description) {
	- EXIT;
	- }
	-
	- mongoc_topology_description_cleanup (description);
	- bson_free (description);
	-
	- EXIT;
	-}
	-
	-/* find the primary, then stop iterating */
	-static bool
	-_mongoc_topology_description_has_primary_cb (const void *item,
	- void ctx / OUT */)
	-{
	- const mongoc_server_description_t *server = item;
	- const mongoc_server_description_t **primary = ctx;
	-
	- /* TODO should this include MONGOS? */
	- if (server->type == MONGOC_SERVER_RS_PRIMARY \|\|
	- server->type == MONGOC_SERVER_STANDALONE) {
	- primary = (mongoc_server_description_t ) item;
	- return false;
	- }
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_has_primary --
	- *
	- * If topology has a primary, return it.
	- *
	- * Returns:
	- * A pointer to the primary, or NULL.
	- *
	- * Side effects:
	- * None
	- *
	- *--------------------------------------------------------------------------
	- */
	-static const mongoc_server_description_t *
	-_mongoc_topology_description_has_primary (
	- const mongoc_topology_description_t *description)
	-{
	- mongoc_server_description_t *primary = NULL;
	-
	- mongoc_set_for_each_const (mc_tpld_servers_const (description),
	- _mongoc_topology_description_has_primary_cb,
	- &primary);
	-
	- return primary;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_later_election --
	- *
	- * Check if we've seen a more recent election in the replica set
	- * than this server has.
	- *
	- * Returns:
	- * True if the topology description's max replica set version plus
	- * election id is later than the server description's.
	- *
	- * Side effects:
	- * None
	- *
	- *--------------------------------------------------------------------------
	- */
	-static bool
	-_mongoc_topology_description_later_election (
	- mongoc_topology_description_t td, const mongoc_server_description_t sd)
	-{
	- /* initially max_set_version is -1 and max_election_id is zeroed */
	- return td->max_set_version > sd->set_version \|\|
	- (td->max_set_version == sd->set_version &&
	- bson_oid_compare (&td->max_election_id, &sd->election_id) > 0);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_set_max_set_version --
	- *
	- * Remember that we've seen a new replica set version. Unconditionally
	- * sets td->set_version to sd->set_version.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_set_max_set_version (
	- mongoc_topology_description_t td, const mongoc_server_description_t sd)
	-{
	- td->max_set_version = sd->set_version;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_set_max_election_id --
	- *
	- * Remember that we've seen a new election id. Unconditionally sets
	- * td->max_election_id to sd->election_id.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_set_max_election_id (
	- mongoc_topology_description_t td, const mongoc_server_description_t sd)
	-{
	- bson_oid_copy (&sd->election_id, &td->max_election_id);
	-}
	-
	-static bool
	-_mongoc_topology_description_server_is_candidate (
	- mongoc_server_description_type_t desc_type,
	- mongoc_read_mode_t read_mode,
	- mongoc_topology_description_type_t topology_type)
	-{
	- switch ((int) topology_type) {
	- case MONGOC_TOPOLOGY_SINGLE:
	- switch ((int) desc_type) {
	- case MONGOC_SERVER_STANDALONE:
	- return true;
	- default:
	- return false;
	- }
	-
	- case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	- case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	- switch ((int) read_mode) {
	- case MONGOC_READ_PRIMARY:
	- switch ((int) desc_type) {
	- case MONGOC_SERVER_RS_PRIMARY:
	- return true;
	- default:
	- return false;
	- }
	- case MONGOC_READ_SECONDARY:
	- switch ((int) desc_type) {
	- case MONGOC_SERVER_RS_SECONDARY:
	- return true;
	- default:
	- return false;
	- }
	- default:
	- switch ((int) desc_type) {
	- case MONGOC_SERVER_RS_PRIMARY:
	- case MONGOC_SERVER_RS_SECONDARY:
	- return true;
	- default:
	- return false;
	- }
	- }
	-
	- case MONGOC_TOPOLOGY_SHARDED:
	- switch ((int) desc_type) {
	- case MONGOC_SERVER_MONGOS:
	- return true;
	- default:
	- return false;
	- }
	-
	- /* Note, there is no call path that leads to the
	- * MONGOC_TOPOLOGY_LOAD_BALANCED case. Server selection for load balanced
	- * topologies bypasses this logic. This silences compiler warnings on
	- * unhandled enum values. */
	- case MONGOC_TOPOLOGY_LOAD_BALANCED:
	- return desc_type == MONGOC_SERVER_LOAD_BALANCER;
	-
	- default:
	- return false;
	- }
	-}
	-
	-typedef struct _mongoc_suitable_data_t {
	- mongoc_read_mode_t read_mode;
	- mongoc_topology_description_type_t topology_type;
	- const mongoc_server_description_t primary; / OUT */
	- const mongoc_server_description_t *candidates; / OUT */
	- size_t candidates_len; /* OUT */
	- bool has_secondary; /* OUT */
	-} mongoc_suitable_data_t;
	-
	-static bool
	-_mongoc_replica_set_read_suitable_cb (const void item, void ctx)
	-{
	- const mongoc_server_description_t *server = item;
	- mongoc_suitable_data_t data = (mongoc_suitable_data_t ) ctx;
	-
	- /* primary's used in staleness calculation, even with mode SECONDARY */
	- if (server->type == MONGOC_SERVER_RS_PRIMARY) {
	- data->primary = server;
	- }
	-
	- if (_mongoc_topology_description_server_is_candidate (
	- server->type, data->read_mode, data->topology_type)) {
	- if (server->type == MONGOC_SERVER_RS_PRIMARY) {
	- if (data->read_mode == MONGOC_READ_PRIMARY \|\|
	- data->read_mode == MONGOC_READ_PRIMARY_PREFERRED) {
	- /* we want a primary and we have one, done! */
	- return false;
	- }
	- }
	-
	- if (server->type == MONGOC_SERVER_RS_SECONDARY) {
	- data->has_secondary = true;
	- }
	-
	- /* add to our candidates */
	- data->candidates[data->candidates_len++] = server;
	- } else {
	- TRACE ("Rejected [%s] [%s] for mode [%s]",
	- mongoc_server_description_type (server),
	- server->host.host_and_port,
	- _mongoc_read_mode_as_str (data->read_mode));
	- }
	-
	- return true;
	-}
	-
	-
	-/* if any mongos are candidates, add them to the candidates array */
	-static void
	-_mongoc_try_mode_secondary (mongoc_array_t set, / OUT */
	- const mongoc_topology_description_t *topology,
	- const mongoc_read_prefs_t *read_pref,
	- size_t local_threshold_ms)
	-{
	- mongoc_read_prefs_t *secondary;
	-
	- secondary = mongoc_read_prefs_copy (read_pref);
	- mongoc_read_prefs_set_mode (secondary, MONGOC_READ_SECONDARY);
	-
	- mongoc_topology_description_suitable_servers (
	- set, MONGOC_SS_READ, topology, secondary, local_threshold_ms);
	-
	- mongoc_read_prefs_destroy (secondary);
	-}
	-
	-
	-/* if any mongos are candidates, add them to the candidates array */
	-static bool
	-_mongoc_find_suitable_mongos_cb (const void item, void ctx)
	-{
	- const mongoc_server_description_t *server = item;
	- mongoc_suitable_data_t data = (mongoc_suitable_data_t ) ctx;
	-
	- if (_mongoc_topology_description_server_is_candidate (
	- server->type, data->read_mode, data->topology_type)) {
	- data->candidates[data->candidates_len++] = server;
	- }
	- return true;
	-}
	-
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_lowest_max_wire_version --
	- *
	- * The topology's max wire version.
	- *
	- * Returns:
	- * The minimum of all known servers' max wire versions, or INT32_MAX
	- * if there are no known servers.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-int32_t
	-mongoc_topology_description_lowest_max_wire_version (
	- const mongoc_topology_description_t *td)
	-{
	- int i;
	- int32_t ret = INT32_MAX;
	- const mongoc_set_t *servers = mc_tpld_servers_const (td);
	-
	- for (i = 0; (size_t) i < servers->items_len; i++) {
	- const mongoc_server_description_t *sd =
	- mongoc_set_get_item_const (servers, i);
	- if (sd->type != MONGOC_SERVER_UNKNOWN &&
	- sd->type != MONGOC_SERVER_POSSIBLE_PRIMARY &&
	- sd->max_wire_version < ret) {
	- ret = sd->max_wire_version;
	- }
	- }
	-
	- return ret;
	-}
	-
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_all_sds_have_write_date --
	- *
	- * Whether the primary and all secondaries' server descriptions have
	- * last_write_date_ms.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_description_all_sds_have_write_date (
	- const mongoc_topology_description_t *td)
	-{
	- int i;
	- for (i = 0; (size_t) i < mc_tpld_servers_const (td)->items_len; i++) {
	- const mongoc_server_description_t *sd =
	- mongoc_set_get_item_const (mc_tpld_servers_const (td), i);
	-
	- if (sd->last_write_date_ms <= 0 &&
	- (sd->type == MONGOC_SERVER_RS_PRIMARY \|\|
	- sd->type == MONGOC_SERVER_RS_SECONDARY)) {
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_validate_max_staleness --
	- *
	- * If the provided "maxStalenessSeconds" component of the read
	- * preference is not valid for this topology, fill out @error and
	- * return false.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-bool
	-_mongoc_topology_description_validate_max_staleness (
	- const mongoc_topology_description_t *td,
	- int64_t max_staleness_seconds,
	- bson_error_t *error)
	-{
	- mongoc_topology_description_type_t td_type;
	-
	- /* Server Selection Spec: A driver MUST raise an error if the TopologyType
	- * is ReplicaSetWithPrimary or ReplicaSetNoPrimary and either of these
	- * conditions is false:
	- *
	- * maxStalenessSeconds * 1000 >= heartbeatFrequencyMS + idleWritePeriodMS
	- * maxStalenessSeconds >= smallestMaxStalenessSeconds
	- */
	-
	- td_type = td->type;
	-
	- if (td_type != MONGOC_TOPOLOGY_RS_WITH_PRIMARY &&
	- td_type != MONGOC_TOPOLOGY_RS_NO_PRIMARY) {
	- return true;
	- }
	-
	- if (max_staleness_seconds * 1000 <
	- td->heartbeat_msec + MONGOC_IDLE_WRITE_PERIOD_MS) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "maxStalenessSeconds is set to %" PRId64
	- ", it must be at least heartbeatFrequencyMS (%" PRId64
	- ") + server's idle write period (%d seconds)",
	- max_staleness_seconds,
	- td->heartbeat_msec,
	- MONGOC_IDLE_WRITE_PERIOD_MS / 1000);
	- return false;
	- }
	-
	- if (max_staleness_seconds < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "maxStalenessSeconds is set to %" PRId64
	- ", it must be at least %d seconds",
	- max_staleness_seconds,
	- MONGOC_SMALLEST_MAX_STALENESS_SECONDS);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_suitable_servers --
	- *
	- * Fill out an array of servers matching the read preference and
	- * localThresholdMS.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_description_suitable_servers (
	- mongoc_array_t set, / OUT */
	- mongoc_ss_optype_t optype,
	- const mongoc_topology_description_t *topology,
	- const mongoc_read_prefs_t *read_pref,
	- size_t local_threshold_ms)
	-{
	- mongoc_suitable_data_t data;
	- const mongoc_server_description_t **candidates;
	-
	- const mongoc_set_t *td_servers = mc_tpld_servers_const (topology);
	- int64_t nearest = -1;
	- int i;
	- mongoc_read_mode_t read_mode = mongoc_read_prefs_get_mode (read_pref);
	-
	- candidates = bson_malloc0 (sizeof (candidates) td_servers->items_len);
	-
	- data.read_mode = read_mode;
	- data.topology_type = topology->type;
	- data.primary = NULL;
	- data.candidates = candidates;
	- data.candidates_len = 0;
	- data.has_secondary = false;
	-
	- /* Single server --
	- * Either it is suitable or it isn't */
	- if (topology->type == MONGOC_TOPOLOGY_SINGLE) {
	- const mongoc_server_description_t *server =
	- mongoc_set_get_item_const (td_servers, 0);
	- if (_mongoc_topology_description_server_is_candidate (
	- server->type, read_mode, topology->type)) {
	- _mongoc_array_append_val (set, server);
	- } else {
	- TRACE (
	- "Rejected [%s] [%s] for read mode [%s] with topology type Single",
	- mongoc_server_description_type (server),
	- server->host.host_and_port,
	- _mongoc_read_mode_as_str (read_mode));
	- }
	- goto DONE;
	- }
	-
	- /* Replica sets --
	- * Find suitable servers based on read mode */
	- if (topology->type == MONGOC_TOPOLOGY_RS_NO_PRIMARY \|\|
	- topology->type == MONGOC_TOPOLOGY_RS_WITH_PRIMARY) {
	- if (optype == MONGOC_SS_READ) {
	- mongoc_set_for_each_const (
	- td_servers, _mongoc_replica_set_read_suitable_cb, &data);
	-
	- if (read_mode == MONGOC_READ_PRIMARY) {
	- if (data.primary) {
	- _mongoc_array_append_val (set, data.primary);
	- }
	-
	- goto DONE;
	- }
	-
	- if (read_mode == MONGOC_READ_PRIMARY_PREFERRED && data.primary) {
	- _mongoc_array_append_val (set, data.primary);
	- goto DONE;
	- }
	-
	- if (read_mode == MONGOC_READ_SECONDARY_PREFERRED) {
	- /* try read_mode SECONDARY */
	- _mongoc_try_mode_secondary (
	- set, topology, read_pref, local_threshold_ms);
	-
	- /* otherwise fall back to primary */
	- if (!set->len && data.primary) {
	- _mongoc_array_append_val (set, data.primary);
	- }
	-
	- goto DONE;
	- }
	-
	- if (read_mode == MONGOC_READ_SECONDARY) {
	- for (i = 0; i < data.candidates_len; i++) {
	- if (candidates[i] &&
	- candidates[i]->type != MONGOC_SERVER_RS_SECONDARY) {
	- TRACE ("Rejected [%s] [%s] for mode [%s] with RS topology",
	- mongoc_server_description_type (candidates[i]),
	- candidates[i]->host.host_and_port,
	- _mongoc_read_mode_as_str (read_mode));
	- candidates[i] = NULL;
	- }
	- }
	- }
	-
	- /* mode is SECONDARY or NEAREST, filter by staleness and tags */
	- mongoc_server_description_filter_stale (data.candidates,
	- data.candidates_len,
	- data.primary,
	- topology->heartbeat_msec,
	- read_pref);
	-
	- mongoc_server_description_filter_tags (
	- data.candidates, data.candidates_len, read_pref);
	- } else if (topology->type == MONGOC_TOPOLOGY_RS_WITH_PRIMARY) {
	- /* includes optype == MONGOC_SS_WRITE as the exclusion of the above if
	- */
	- mongoc_set_for_each_const (
	- td_servers,
	- _mongoc_topology_description_has_primary_cb,
	- (mongoc_server_description_t *) &data.primary);
	- if (data.primary) {
	- _mongoc_array_append_val (set, data.primary);
	- goto DONE;
	- }
	- }
	- }
	-
	- /* Sharded clusters --
	- * All candidates in the latency window are suitable */
	- if (topology->type == MONGOC_TOPOLOGY_SHARDED) {
	- mongoc_set_for_each_const (
	- td_servers, _mongoc_find_suitable_mongos_cb, &data);
	- }
	-
	- /* Load balanced clusters --
	- * Always select the only server. */
	- if (topology->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- const mongoc_server_description_t *server;
	- BSON_ASSERT (td_servers->items_len == 1);
	- server = mongoc_set_get_item_const (td_servers, 0);
	- _mongoc_array_append_val (set, server);
	- goto DONE;
	- }
	-
	- /* Ways to get here:
	- * - secondary read
	- * - secondary preferred read
	- * - primary_preferred and no primary read
	- * - sharded anything
	- * Find the nearest, then select within the window */
	-
	- for (i = 0; i < data.candidates_len; i++) {
	- if (candidates[i] &&
	- (nearest == -1 \|\| nearest > candidates[i]->round_trip_time_msec)) {
	- nearest = candidates[i]->round_trip_time_msec;
	- }
	- }
	-
	- for (i = 0; i < data.candidates_len; i++) {
	- if (candidates[i] && (candidates[i]->round_trip_time_msec <=
	- nearest + local_threshold_ms)) {
	- _mongoc_array_append_val (set, candidates[i]);
	- }
	- }
	-
	-DONE:
	-
	- bson_free ((mongoc_server_description_t *) candidates);
	-
	- return;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_has_data_node --
	- *
	- * Internal method: are any servers not Arbiter, Ghost, or Unknown?
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_description_has_data_node (
	- const mongoc_topology_description_t *td)
	-{
	- int i;
	- const mongoc_set_t *servers = mc_tpld_servers_const (td);
	-
	- for (i = 0; i < (int) servers->items_len; i++) {
	- const mongoc_server_description_t *sd =
	- mongoc_set_get_item_const (servers, i);
	- if (_is_data_node (sd)) {
	- return true;
	- }
	- }
	-
	- return false;
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_select --
	- *
	- * Return a server description of a node that is appropriate for
	- * the given read preference and operation type.
	- *
	- * NOTE: this method simply attempts to select a server from the
	- * current topology, it does not retry or trigger topology checks.
	- *
	- * Returns:
	- * Selected server description, or NULL upon failure.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-mongoc_server_description_t const *
	-mongoc_topology_description_select (
	- const mongoc_topology_description_t *topology,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_pref,
	- int64_t local_threshold_ms)
	-{
	- mongoc_array_t suitable_servers;
	- mongoc_server_description_t const *sd = NULL;
	- int rand_n;
	-
	- ENTRY;
	-
	- if (topology->type == MONGOC_TOPOLOGY_SINGLE) {
	- sd = mongoc_set_get_item_const (mc_tpld_servers_const (topology), 0);
	-
	- if (sd->has_hello_response) {
	- RETURN (sd);
	- } else {
	- TRACE ("Topology type single, [%s] is down", sd->host.host_and_port);
	- RETURN (NULL);
	- }
	- }
	-
	- _mongoc_array_init (&suitable_servers,
	- sizeof (mongoc_server_description_t *));
	-
	- mongoc_topology_description_suitable_servers (
	- &suitable_servers, optype, topology, read_pref, local_threshold_ms);
	- if (suitable_servers.len != 0) {
	- rand_n = _mongoc_rand_simple ((unsigned *) &topology->rand_seed);
	- sd = _mongoc_array_index (&suitable_servers,
	- mongoc_server_description_t *,
	- rand_n % suitable_servers.len);
	- }
	-
	- _mongoc_array_destroy (&suitable_servers);
	-
	- if (sd) {
	- TRACE ("Topology type [%s], selected [%s] [%s]",
	- mongoc_topology_description_type (topology),
	- mongoc_server_description_type (sd),
	- sd->host.host_and_port);
	- }
	-
	- RETURN (sd);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_server_by_id --
	- *
	- * Get the server description for @id, if that server is present
	- * in @description. Otherwise, return NULL and fill out optional
	- * @error.
	- *
	- * NOTE: In most cases, caller should create a duplicate of the
	- * returned server description.
	- *
	- * Returns:
	- * A mongoc_server_description_t *, or NULL.
	- *
	- * Side effects:
	- * Fills out optional @error if server not found.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_server_description_t *
	-mongoc_topology_description_server_by_id (
	- mongoc_topology_description_t description, uint32_t id, bson_error_t error)
	-{
	- return (mongoc_server_description_t *)
	- mongoc_topology_description_server_by_id_const (description, id, error);
	-}
	-
	-const mongoc_server_description_t *
	-mongoc_topology_description_server_by_id_const (
	- const mongoc_topology_description_t td, uint32_t id, bson_error_t error)
	-{
	- const mongoc_server_description_t *sd;
	-
	- BSON_ASSERT_PARAM (td);
	-
	- sd = mongoc_set_get_const (mc_tpld_servers_const (td), id);
	- if (!sd) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	- "Could not find description for node %u",
	- id);
	- }
	-
	- return sd;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_remove_server --
	- *
	- * If present, remove this server from this topology description.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Removes the server description from topology and destroys it.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_remove_server (
	- mongoc_topology_description_t *description,
	- const mongoc_server_description_t *server)
	-{
	- BSON_ASSERT (description);
	- BSON_ASSERT (server);
	-
	- _mongoc_topology_description_monitor_server_closed (description, server);
	- mongoc_set_rm (mc_tpld_servers (description), server->id);
	-
	- /* Check if removing server resulted in an empty set of servers */
	- if (mc_tpld_servers_const (description)->items_len == 0) {
	- MONGOC_WARNING ("Last server removed from topology");
	- }
	-}
	-
	-typedef struct _mongoc_address_and_id_t {
	- const char address; / IN */
	- bool found; /* OUT */
	- uint32_t id; /* OUT */
	-} mongoc_address_and_id_t;
	-
	-/* find the given server and stop iterating */
	-static bool
	-_mongoc_topology_description_has_server_cb (const void *item,
	- void ctx / IN - OUT */)
	-{
	- const mongoc_server_description_t *server = item;
	- mongoc_address_and_id_t data = (mongoc_address_and_id_t ) ctx;
	-
	- if (strcasecmp (data->address, server->connection_address) == 0) {
	- data->found = true;
	- data->id = server->id;
	- return false;
	- }
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_has_set_version --
	- *
	- * Whether @topology's max replica set version has been set.
	- *
	- * Returns:
	- * True if the max setVersion was ever set.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static bool
	-_mongoc_topology_description_has_set_version (mongoc_topology_description_t *td)
	-{
	- return td->max_set_version != MONGOC_NO_SET_VERSION;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_topology_has_server --
	- *
	- * Return true if @server is in @topology. If so, place its id in
	- * @id if given.
	- *
	- * Returns:
	- * True if server is in topology, false otherwise.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static bool
	-_mongoc_topology_description_has_server (
	- mongoc_topology_description_t *description,
	- const char *address,
	- uint32_t id / OUT */)
	-{
	- mongoc_address_and_id_t data;
	-
	- BSON_ASSERT (description);
	- BSON_ASSERT (address);
	-
	- data.address = address;
	- data.found = false;
	- mongoc_set_for_each_const (mc_tpld_servers_const (description),
	- _mongoc_topology_description_has_server_cb,
	- &data);
	-
	- if (data.found && id) {
	- *id = data.id;
	- }
	-
	- return data.found;
	-}
	-
	-typedef struct _mongoc_address_and_type_t {
	- const char *address;
	- mongoc_server_description_type_t type;
	-} mongoc_address_and_type_t;
	-
	-static bool
	-_mongoc_label_unknown_member_cb (void item, void ctx)
	-{
	- mongoc_server_description_t server = (mongoc_server_description_t ) item;
	- mongoc_address_and_type_t data = (mongoc_address_and_type_t ) ctx;
	-
	- if (strcasecmp (server->connection_address, data->address) == 0 &&
	- server->type == MONGOC_SERVER_UNKNOWN) {
	- mongoc_server_description_set_state (server, data->type);
	- return false;
	- }
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_label_unknown_member --
	- *
	- * Find the server description with the given @address and if its
	- * type is UNKNOWN, set its type to @type.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_label_unknown_member (
	- mongoc_topology_description_t *description,
	- const char *address,
	- mongoc_server_description_type_t type)
	-{
	- mongoc_address_and_type_t data;
	-
	- BSON_ASSERT (description);
	- BSON_ASSERT (address);
	-
	- data.type = type;
	- data.address = address;
	-
	- mongoc_set_for_each (
	- mc_tpld_servers (description), _mongoc_label_unknown_member_cb, &data);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_set_state --
	- *
	- * Change the state of this cluster and unblock things waiting
	- * on a change of topology type.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Unblocks anything waiting on this description to change states.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_set_state (
	- mongoc_topology_description_t *description,
	- mongoc_topology_description_type_t type)
	-{
	- description->type = type;
	-}
	-
	-
	-static void
	-_update_rs_type (mongoc_topology_description_t *topology)
	-{
	- if (_mongoc_topology_description_has_primary (topology)) {
	- _mongoc_topology_description_set_state (topology,
	- MONGOC_TOPOLOGY_RS_WITH_PRIMARY);
	- } else {
	- _mongoc_topology_description_set_state (topology,
	- MONGOC_TOPOLOGY_RS_NO_PRIMARY);
	- }
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_check_if_has_primary --
	- *
	- * If there is a primary in topology, set topology
	- * type to RS_WITH_PRIMARY, otherwise set it to
	- * RS_NO_PRIMARY.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Changes the topology type.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_check_if_has_primary (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- _update_rs_type (topology);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_invalidate_server --
	- *
	- * Invalidate a server if a network error occurred while using it in
	- * another part of the client. Server description is set to type
	- * UNKNOWN, the error is recorded, and other parameters are reset to
	- * defaults. Pass in the reason for invalidation in @error.
	- *
	- * @todo Try to remove this function when CDRIVER-3654 is complete.
	- * It is only called when an application thread needs to mark a server Unknown.
	- * But an application error is also tied to other behavior, and should also
	- * consider the connection generation. This logic is captured in
	- * _mongoc_topology_handle_app_error. This should not be called directly
	- */
	-void
	-mongoc_topology_description_invalidate_server (
	- mongoc_topology_description_t *td,
	- uint32_t id,
	- const bson_error_t error / IN */)
	-{
	- BSON_ASSERT (error);
	-
	- if (td->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- /* Load balancers must never be marked unknown. */
	- return;
	- }
	-
	- /* send NULL hello reply */
	- mongoc_topology_description_handle_hello (
	- td, id, NULL, MONGOC_RTT_UNSET, error);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_add_server --
	- *
	- * Add the specified server to the cluster topology if it is not
	- * already a member. If @id, place its id in @id.
	- *
	- * Return:
	- * True if the server was added or already existed in the topology,
	- * false if an error occurred.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_description_add_server (mongoc_topology_description_t *topology,
	- const char *server,
	- uint32_t id / OUT */)
	-{
	- uint32_t server_id;
	- mongoc_server_description_t *description;
	-
	- BSON_ASSERT (topology);
	- BSON_ASSERT (server);
	-
	- if (!_mongoc_topology_description_has_server (
	- topology, server, &server_id)) {
	- /* TODO this might not be an accurate count in all cases */
	- server_id = ++topology->max_server_id;
	-
	- description =
	- (mongoc_server_description_t ) bson_malloc0 (sizeof description);
	- mongoc_server_description_init (description, server, server_id);
	-
	- mongoc_set_add (mc_tpld_servers (topology), server_id, description);
	-
	- /* if we're in topology_new then no callbacks are registered and this is
	- * a no-op. later, if we discover a new RS member this sends an event. */
	- _mongoc_topology_description_monitor_server_opening (topology,
	- description);
	- }
	-
	- if (id) {
	- *id = server_id;
	- }
	-
	- return true;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_update_cluster_time --
	- *
	- * Drivers Session Spec: Drivers MUST examine responses to server commands to
	- * see if they contain a top level field named $clusterTime formatted as
	- * follows:
	- *
	- * {
	- * ...
	- * $clusterTime : {
	- * clusterTime : <BsonTimestamp>,
	- * signature : {
	- * hash : <BsonBinaryData>,
	- * keyId : <BsonInt64>
	- * }
	- * },
	- * ...
	- * }
	- *
	- * Whenever a driver receives a clusterTime from a server it MUST compare it
	- * to the current highest seen clusterTime for the cluster. If the new
	- * clusterTime is higher than the highest seen clusterTime it MUST become
	- * the new highest seen clusterTime. Two clusterTimes are compared using
	- * only the BsonTimestamp value of the clusterTime embedded field (be sure to
	- * include both the timestamp and the increment of the BsonTimestamp in the
	- * comparison). The signature field does not participate in the comparison.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_description_update_cluster_time (
	- mongoc_topology_description_t td, const bson_t reply)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	- const uint8_t *data;
	- uint32_t size;
	- bson_t cluster_time;
	-
	- if (!reply \|\| !bson_iter_init_find (&iter, reply, "$clusterTime")) {
	- return;
	- }
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT (&iter) \|\|
	- !bson_iter_recurse (&iter, &child)) {
	- MONGOC_ERROR ("Can't parse $clusterTime");
	- return;
	- }
	-
	- bson_iter_document (&iter, &size, &data);
	- BSON_ASSERT (bson_init_static (&cluster_time, data, (size_t) size));
	-
	- if (bson_empty (&td->cluster_time) \|\|
	- _mongoc_cluster_time_greater (&cluster_time, &td->cluster_time)) {
	- bson_destroy (&td->cluster_time);
	- bson_copy_to (&cluster_time, &td->cluster_time);
	- }
	-}
	-
	-
	-static void
	-_mongoc_topology_description_add_new_servers (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- bson_iter_t member_iter;
	- const bson_t *rs_members[3];
	- int i;
	-
	- rs_members[0] = &server->hosts;
	- rs_members[1] = &server->arbiters;
	- rs_members[2] = &server->passives;
	-
	- for (i = 0; i < 3; i++) {
	- BSON_ASSERT (bson_iter_init (&member_iter, rs_members[i]));
	-
	- while (bson_iter_next (&member_iter)) {
	- mongoc_topology_description_add_server (
	- topology, bson_iter_utf8 (&member_iter, NULL), NULL);
	- }
	- }
	-}
	-
	-typedef struct _mongoc_primary_and_topology_t {
	- mongoc_topology_description_t *topology;
	- const mongoc_server_description_t *primary;
	-} mongoc_primary_and_topology_t;
	-
	-/* invalidate old primaries */
	-static bool
	-_mongoc_topology_description_invalidate_primaries_cb (void item, void ctx)
	-{
	- mongoc_server_description_t server = (mongoc_server_description_t ) item;
	- mongoc_primary_and_topology_t data = (mongoc_primary_and_topology_t ) ctx;
	-
	- if (server->id != data->primary->id &&
	- server->type == MONGOC_SERVER_RS_PRIMARY) {
	- mongoc_server_description_set_state (server, MONGOC_SERVER_UNKNOWN);
	- mongoc_server_description_set_set_version (server, MONGOC_NO_SET_VERSION);
	- mongoc_server_description_set_election_id (server, NULL);
	- mongoc_server_description_reset (server);
	- }
	- return true;
	-}
	-
	-
	-/* Remove and destroy all replica set members not in primary's hosts lists */
	-static void
	-_mongoc_topology_description_remove_unreported_servers (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *primary)
	-{
	- mongoc_array_t to_remove;
	- int i;
	-
	- _mongoc_array_init (&to_remove, sizeof (mongoc_server_description_t *));
	-
	- /* Accumulate servers to be removed - do this before calling
	- * _mongoc_topology_description_remove_server, which could call
	- * mongoc_server_description_cleanup on the primary itself if it
	- * doesn't report its own connection_address in its hosts list.
	- * See hosts_differ_from_seeds.json */
	- for (i = 0; i < mc_tpld_servers_const (topology)->items_len; i++) {
	- const mongoc_server_description_t *member =
	- mongoc_set_get_item_const (mc_tpld_servers_const (topology), i);
	- const char *address = member->connection_address;
	- if (!mongoc_server_description_has_rs_member (primary, address)) {
	- _mongoc_array_append_val (&to_remove, member);
	- }
	- }
	-
	- /* now it's safe to call _mongoc_topology_description_remove_server,
	- * even on the primary */
	- for (i = 0; i < to_remove.len; i++) {
	- const mongoc_server_description_t *member =
	- _mongoc_array_index (&to_remove, mongoc_server_description_t *, i);
	-
	- _mongoc_topology_description_remove_server (topology, member);
	- }
	-
	- _mongoc_array_destroy (&to_remove);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_matches_me --
	- *
	- * Server Discovery And Monitoring Spec: "Removal from the topology of
	- * seed list members where the "me" property does not match the address
	- * used to connect prevents clients from being able to select a server,
	- * only to fail to re-select that server once the primary has responded.
	- *
	- * Returns:
	- * True if "me" matches "connection_address".
	- *
	- * Side Effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static bool
	-_mongoc_topology_description_matches_me (
	- const mongoc_server_description_t *server)
	-{
	- BSON_ASSERT (server->connection_address);
	-
	- if (!server->me) {
	- /* "me" is unknown: consider it a match */
	- return true;
	- }
	-
	- return strcasecmp (server->connection_address, server->me) == 0;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_update_rs_from_primary --
	- *
	- * First, determine that this is really the primary:
	- * -If this node isn't in the cluster, do nothing.
	- * -If the cluster's set name is null, set it to node's set name.
	- * Otherwise if the cluster's set name is different from node's,
	- * we found a rogue primary, so remove it from the cluster and
	- * check the cluster for a primary, then return.
	- * -If any of the members of cluster reports an address different
	- * from node's, node cannot be the primary.
	- * Now that we know this is the primary:
	- * -If any hosts, passives, or arbiters in node's description aren't
	- * in the cluster, add them as UNKNOWN servers.
	- * -If the cluster has any servers that aren't in node's description,
	- * remove and destroy them.
	- * Finally, check the cluster for the new primary.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Changes to the cluster, possible removal of cluster nodes.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_update_rs_from_primary (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- mongoc_primary_and_topology_t data;
	- bson_error_t error;
	-
	- BSON_ASSERT (topology);
	- BSON_ASSERT (server);
	-
	- if (!_mongoc_topology_description_has_server (
	- topology, server->connection_address, NULL))
	- return;
	-
	- /* If server->set_name was null this function wouldn't be called from
	- * mongoc_server_description_handle_hello(). static code analyzers however
	- * don't know that so we check for it explicitly. */
	- if (server->set_name) {
	- /* 'Server' can only be the primary if it has the right rs name */
	-
	- if (!topology->set_name) {
	- topology->set_name = bson_strdup (server->set_name);
	- } else if (strcmp (topology->set_name, server->set_name) != 0) {
	- _mongoc_topology_description_remove_server (topology, server);
	- _update_rs_type (topology);
	- return;
	- }
	- }
	-
	- if (mongoc_server_description_has_set_version (server) &&
	- mongoc_server_description_has_election_id (server)) {
	- /* Server Discovery And Monitoring Spec: "The client remembers the
	- * greatest electionId reported by a primary, and distrusts primaries
	- * with lesser electionIds. This prevents the client from oscillating
	- * between the old and new primary during a split-brain period."
	- */
	- if (_mongoc_topology_description_later_election (topology, server)) {
	- bson_set_error (&error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "member's setVersion or electionId is stale");
	- mongoc_topology_description_invalidate_server (
	- topology, server->id, &error);
	- _update_rs_type (topology);
	- return;
	- }
	-
	- /* server's electionId >= topology's max electionId */
	- _mongoc_topology_description_set_max_election_id (topology, server);
	- }
	-
	- if (mongoc_server_description_has_set_version (server) &&
	- (!_mongoc_topology_description_has_set_version (topology) \|\|
	- server->set_version > topology->max_set_version)) {
	- _mongoc_topology_description_set_max_set_version (topology, server);
	- }
	-
	- /* 'Server' is the primary! Invalidate other primaries if found */
	- data.primary = server;
	- data.topology = topology;
	- mongoc_set_for_each (mc_tpld_servers (topology),
	- _mongoc_topology_description_invalidate_primaries_cb,
	- &data);
	-
	- /* Add to topology description any new servers primary knows about */
	- _mongoc_topology_description_add_new_servers (topology, server);
	-
	- /* Remove from topology description any servers primary doesn't know about */
	- _mongoc_topology_description_remove_unreported_servers (topology, server);
	-
	- /* Finally, set topology type */
	- _update_rs_type (topology);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_update_rs_without_primary --
	- *
	- * Update cluster's information when there is no primary.
	- *
	- * Returns:
	- * None.
	- *
	- * Side Effects:
	- * Alters cluster state, may remove node from cluster.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_update_rs_without_primary (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- BSON_ASSERT (topology);
	- BSON_ASSERT (server);
	-
	- if (!_mongoc_topology_description_has_server (
	- topology, server->connection_address, NULL)) {
	- return;
	- }
	-
	- /* make sure we're talking about the same replica set */
	- if (server->set_name) {
	- if (!topology->set_name) {
	- topology->set_name = bson_strdup (server->set_name);
	- } else if (strcmp (topology->set_name, server->set_name) != 0) {
	- _mongoc_topology_description_remove_server (topology, server);
	- return;
	- }
	- }
	-
	- /* Add new servers that this replica set member knows about */
	- _mongoc_topology_description_add_new_servers (topology, server);
	-
	- /* If this server thinks there is a primary, label it POSSIBLE_PRIMARY */
	- if (server->current_primary) {
	- _mongoc_topology_description_label_unknown_member (
	- topology, server->current_primary, MONGOC_SERVER_POSSIBLE_PRIMARY);
	- }
	-
	- if (!_mongoc_topology_description_matches_me (server)) {
	- _mongoc_topology_description_remove_server (topology, server);
	- return;
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_update_rs_with_primary_from_member --
	- *
	- * Update cluster's information when there is a primary, but the
	- * update is coming from another replica set member.
	- *
	- * Returns:
	- * None.
	- *
	- * Side Effects:
	- * Alters cluster state.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_update_rs_with_primary_from_member (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- BSON_ASSERT (topology);
	- BSON_ASSERT (server);
	-
	- if (!_mongoc_topology_description_has_server (
	- topology, server->connection_address, NULL)) {
	- return;
	- }
	-
	- /* set_name should never be null here */
	- if (strcmp (topology->set_name, server->set_name) != 0) {
	- _mongoc_topology_description_remove_server (topology, server);
	- _update_rs_type (topology);
	- return;
	- }
	-
	- if (!_mongoc_topology_description_matches_me (server)) {
	- _mongoc_topology_description_remove_server (topology, server);
	- return;
	- }
	-
	- /* If there is no primary, label server's current_primary as the
	- * POSSIBLE_PRIMARY */
	- if (!_mongoc_topology_description_has_primary (topology) &&
	- server->current_primary) {
	- _mongoc_topology_description_set_state (topology,
	- MONGOC_TOPOLOGY_RS_NO_PRIMARY);
	- _mongoc_topology_description_label_unknown_member (
	- topology, server->current_primary, MONGOC_SERVER_POSSIBLE_PRIMARY);
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_set_topology_type_to_sharded --
	- *
	- * Sets topology's type to SHARDED.
	- *
	- * Returns:
	- * None
	- *
	- * Side effects:
	- * Alter's topology's type
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_set_topology_type_to_sharded (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- _mongoc_topology_description_set_state (topology, MONGOC_TOPOLOGY_SHARDED);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_transition_unknown_to_rs_no_primary --
	- *
	- * Encapsulates transition from cluster state UNKNOWN to
	- * RS_NO_PRIMARY. Sets the type to RS_NO_PRIMARY,
	- * then updates the replica set accordingly.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Changes topology state.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_transition_unknown_to_rs_no_primary (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- _mongoc_topology_description_set_state (topology,
	- MONGOC_TOPOLOGY_RS_NO_PRIMARY);
	- _mongoc_topology_description_update_rs_without_primary (topology, server);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_remove_and_check_primary --
	- *
	- * Remove the server and check if the topology still has a primary.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Removes server from topology and destroys it.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_remove_and_check_primary (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- _mongoc_topology_description_remove_server (topology, server);
	- _update_rs_type (topology);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_update_unknown_with_standalone --
	- *
	- * If the cluster doesn't contain this server, do nothing.
	- * Otherwise, if the topology only has one seed, change its
	- * type to SINGLE. If the topology has multiple seeds, it does not
	- * include us, so remove this server and destroy it.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * Changes the topology type, might remove server from topology.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-_mongoc_topology_description_update_unknown_with_standalone (
	- mongoc_topology_description_t *topology,
	- const mongoc_server_description_t *server)
	-{
	- BSON_ASSERT (topology);
	- BSON_ASSERT (server);
	-
	- if (!_mongoc_topology_description_has_server (
	- topology, server->connection_address, NULL))
	- return;
	-
	- if (mc_tpld_servers_const (topology)->items_len > 1) {
	- /* This cluster contains other servers, it cannot be a standalone. */
	- _mongoc_topology_description_remove_server (topology, server);
	- } else {
	- _mongoc_topology_description_set_state (topology, MONGOC_TOPOLOGY_SINGLE);
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * This table implements the 'ToplogyType' table outlined in the Server
	- * Discovery and Monitoring spec. Each row represents a server type,
	- * and each column represents the topology type. Given a current topology
	- * type T and a newly-observed server type S, use the function at
	- * state_transions[S][T] to transition to a new state.
	- *
	- * Rows should be read like so:
	- * { server type for this row
	- * UNKNOWN,
	- * SHARDED,
	- * RS_NO_PRIMARY,
	- * RS_WITH_PRIMARY
	- * }
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-typedef void (transition_t) (mongoc_topology_description_t topology,
	- const mongoc_server_description_t *server);
	-
	-transition_t gSDAMTransitionTable
	- [MONGOC_SERVER_DESCRIPTION_TYPES][MONGOC_TOPOLOGY_DESCRIPTION_TYPES] = {
	- {
	- /* UNKNOWN */
	- NULL, /* MONGOC_TOPOLOGY_UNKNOWN */
	- NULL, /* MONGOC_TOPOLOGY_SHARDED */
	- NULL, /* MONGOC_TOPOLOGY_RS_NO_PRIMARY */
	- _mongoc_topology_description_check_if_has_primary /* MONGOC_TOPOLOGY_RS_WITH_PRIMARY
	- */
	- },
	- {/* STANDALONE */
	- _mongoc_topology_description_update_unknown_with_standalone,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_remove_and_check_primary},
	- {/* MONGOS */
	- _mongoc_topology_description_set_topology_type_to_sharded,
	- NULL,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_remove_and_check_primary},
	- {/* POSSIBLE_PRIMARY */
	- NULL,
	- NULL,
	- NULL,
	- NULL},
	- {/* PRIMARY */
	- _mongoc_topology_description_update_rs_from_primary,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_update_rs_from_primary,
	- _mongoc_topology_description_update_rs_from_primary},
	- {/* SECONDARY */
	- _mongoc_topology_description_transition_unknown_to_rs_no_primary,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_update_rs_without_primary,
	- _mongoc_topology_description_update_rs_with_primary_from_member},
	- {/* ARBITER */
	- _mongoc_topology_description_transition_unknown_to_rs_no_primary,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_update_rs_without_primary,
	- _mongoc_topology_description_update_rs_with_primary_from_member},
	- {/* RS_OTHER */
	- _mongoc_topology_description_transition_unknown_to_rs_no_primary,
	- _mongoc_topology_description_remove_server,
	- _mongoc_topology_description_update_rs_without_primary,
	- _mongoc_topology_description_update_rs_with_primary_from_member},
	- {/* RS_GHOST */
	- NULL,
	- _mongoc_topology_description_remove_server,
	- NULL,
	- _mongoc_topology_description_check_if_has_primary}};
	-
	-#ifdef MONGOC_TRACE
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_type --
	- *
	- * Get this topology's type, one of the types defined in the Server
	- * Discovery And Monitoring Spec.
	- *
	- * Returns:
	- * A string.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static const char *
	-_mongoc_topology_description_type (mongoc_topology_description_t *topology)
	-{
	- switch (topology->type) {
	- case MONGOC_TOPOLOGY_UNKNOWN:
	- return "Unknown";
	- case MONGOC_TOPOLOGY_SHARDED:
	- return "Sharded";
	- case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	- return "RSNoPrimary";
	- case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	- return "RSWithPrimary";
	- case MONGOC_TOPOLOGY_SINGLE:
	- return "Single";
	- case MONGOC_TOPOLOGY_LOAD_BALANCED:
	- return "LoadBalanced";
	- case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	- default:
	- MONGOC_ERROR ("Invalid mongoc_topology_description_type_t type");
	- return "Invalid";
	- }
	-}
	-#endif
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_update_session_timeout --
	- *
	- * Fill out td.session_timeout_minutes.
	- *
	- * Server Discovery and Monitoring Spec: "set logicalSessionTimeoutMinutes
	- * to the smallest logicalSessionTimeoutMinutes value among all
	- * ServerDescriptions of known ServerType. If any ServerDescription of
	- * known ServerType has a null logicalSessionTimeoutMinutes, then
	- * logicalSessionTimeoutMinutes MUST be set to null."
	- *
	- * --------------------------------------------------------------------------
	- */
	-
	-static void
	-_mongoc_topology_description_update_session_timeout (
	- mongoc_topology_description_t *td)
	-{
	- mongoc_set_t *set;
	- size_t i;
	- mongoc_server_description_t *sd;
	-
	- set = mc_tpld_servers (td);
	-
	- td->session_timeout_minutes = MONGOC_NO_SESSIONS;
	-
	- for (i = 0; i < set->items_len; i++) {
	- sd = (mongoc_server_description_t *) mongoc_set_get_item (set, (int) i);
	- if (!_is_data_node (sd)) {
	- continue;
	- }
	-
	- if (sd->session_timeout_minutes == MONGOC_NO_SESSIONS) {
	- td->session_timeout_minutes = MONGOC_NO_SESSIONS;
	- return;
	- } else if (td->session_timeout_minutes == MONGOC_NO_SESSIONS) {
	- td->session_timeout_minutes = sd->session_timeout_minutes;
	- } else if (td->session_timeout_minutes > sd->session_timeout_minutes) {
	- td->session_timeout_minutes = sd->session_timeout_minutes;
	- }
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_description_check_compatible --
	- *
	- * Fill out td.compatibility_error if any server's wire versions do
	- * not overlap with ours. Otherwise clear td.compatibility_error.
	- *
	- * If any server is incompatible, the topology as a whole is considered
	- * incompatible.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-_mongoc_topology_description_check_compatible (
	- mongoc_topology_description_t *td)
	-{
	- size_t i;
	- mongoc_set_t const *const servers = mc_tpld_servers_const (td);
	-
	- memset (&td->compatibility_error, 0, sizeof (bson_error_t));
	-
	- for (i = 0; i < servers->items_len; i++) {
	- mongoc_server_description_t const *const sd =
	- mongoc_set_get_item_const (servers, (int) i);
	- if (sd->type == MONGOC_SERVER_UNKNOWN \|\|
	- sd->type == MONGOC_SERVER_POSSIBLE_PRIMARY) {
	- continue;
	- }
	-
	- if (sd->min_wire_version > WIRE_VERSION_MAX) {
	- bson_set_error (
	- &td->compatibility_error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "Server at %s requires wire version %d,"
	- " but this version of libmongoc only supports up to %d",
	- sd->host.host_and_port,
	- sd->min_wire_version,
	- WIRE_VERSION_MAX);
	- } else if (sd->max_wire_version < WIRE_VERSION_MIN) {
	- bson_set_error (
	- &td->compatibility_error,
	- MONGOC_ERROR_PROTOCOL,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "Server at %s reports wire version %d, but this"
	- " version of libmongoc requires at least 3 (MongoDB 3.0)",
	- sd->host.host_and_port,
	- sd->max_wire_version);
	- }
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_handle_hello --
	- *
	- * Handle a hello. This is called by the background SDAM process,
	- * and by client when performing a handshake or invalidating servers.
	- * If there was an error calling hello, pass it in as @error.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_description_handle_hello (
	- mongoc_topology_description_t *topology,
	- uint32_t server_id,
	- const bson_t *hello_response,
	- int64_t rtt_msec,
	- const bson_error_t error / IN */)
	-{
	- mongoc_topology_description_t *prev_td = NULL;
	- mongoc_server_description_t *prev_sd = NULL;
	- mongoc_server_description_t *sd;
	- bson_iter_t iter;
	- /* sd_changed is set if the server description meaningfully changed AND
	- * callbacks are registered. */
	- bool sd_changed = false;
	-
	- BSON_ASSERT (topology);
	- BSON_ASSERT (server_id != 0);
	-
	- sd = mongoc_topology_description_server_by_id (topology, server_id, NULL);
	- if (!sd) {
	- return; /* server already removed from topology */
	- }
	-
	- if (topology->apm_callbacks.topology_changed) {
	- prev_td = bson_malloc0 (sizeof (mongoc_topology_description_t));
	- _mongoc_topology_description_copy_to (topology, prev_td);
	- }
	-
	- if (hello_response &&
	- bson_iter_init_find (&iter, hello_response, "topologyVersion") &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- bson_t incoming_topology_version;
	- const uint8_t *bytes;
	- uint32_t len;
	-
	- bson_iter_document (&iter, &len, &bytes);
	- bson_init_static (&incoming_topology_version, bytes, len);
	-
	- if (mongoc_server_description_topology_version_cmp (
	- &sd->topology_version, &incoming_topology_version) == 1) {
	- TRACE ("%s", "topology version is strictly less. Skipping.");
	- if (prev_td) {
	- mongoc_topology_description_cleanup (prev_td);
	- bson_free (prev_td);
	- }
	- return;
	- }
	- }
	-
	- if (topology->apm_callbacks.topology_changed \|\|
	- topology->apm_callbacks.server_changed) {
	- /* Only copy the previous server description if a monitoring callback is
	- * registered. */
	- prev_sd = mongoc_server_description_new_copy (sd);
	- }
	-
	- DUMP_BSON (hello_response);
	- /* pass the current error in */
	-
	- mongoc_server_description_handle_hello (sd, hello_response, rtt_msec, error);
	-
	- /* if the user specified a set_name in the connection string
	- * and they are in topology type single, check that the set name
	- * matches. */
	- if (topology->set_name && topology->type == MONGOC_TOPOLOGY_SINGLE) {
	- bool wrong_set_name = false;
	- bson_error_t set_name_err = {0};
	-
	- if (!sd->set_name) {
	- wrong_set_name = true;
	- bson_set_error (&set_name_err,
	- MONGOC_ERROR_SERVER_SELECTION,
	- MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	- "no reported set name, but expected '%s'",
	- topology->set_name);
	- } else if (0 != strcmp (sd->set_name, topology->set_name)) {
	- wrong_set_name = true;
	- bson_set_error (&set_name_err,
	- MONGOC_ERROR_SERVER_SELECTION,
	- MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	- "reported set name '%s' does not match '%s'",
	- sd->set_name,
	- topology->set_name);
	- }
	-
	- if (wrong_set_name) {
	- /* Replace with unknown. */
	- TRACE ("%s", "wrong set name");
	- mongoc_server_description_handle_hello (
	- sd, NULL, MONGOC_RTT_UNSET, &set_name_err);
	- }
	- }
	-
	- mongoc_topology_description_update_cluster_time (topology, hello_response);
	-
	- if (prev_sd) {
	- sd_changed = !_mongoc_server_description_equal (prev_sd, sd);
	- }
	- if (sd_changed) {
	- _mongoc_topology_description_monitor_server_changed (
	- topology, prev_sd, sd);
	- }
	-
	- if (gSDAMTransitionTable[sd->type][topology->type]) {
	- TRACE ("Topology description %s handling server description %s",
	- _mongoc_topology_description_type (topology),
	- mongoc_server_description_type (sd));
	- gSDAMTransitionTable[sd->type][topology->type](topology, sd);
	- } else {
	- TRACE ("Topology description %s ignoring server description %s",
	- _mongoc_topology_description_type (topology),
	- mongoc_server_description_type (sd));
	- }
	-
	- _mongoc_topology_description_update_session_timeout (topology);
	-
	- /* Don't bother checking wire version compatibility if we already errored */
	- if (hello_response && (!error \|\| !error->code)) {
	- _mongoc_topology_description_check_compatible (topology);
	- }
	-
	- /* If server description did not change, then neither did topology
	- * description */
	- if (sd_changed) {
	- _mongoc_topology_description_monitor_changed (prev_td, topology);
	- }
	-
	- if (prev_td) {
	- mongoc_topology_description_cleanup (prev_td);
	- bson_free (prev_td);
	- }
	-
	- mongoc_server_description_destroy (prev_sd);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_has_readable_server --
	- *
	- * SDAM Monitoring Spec:
	- * "Determines if the topology has a readable server available."
	- *
	- * NOTE: this method should only be called by user code in an SDAM
	- * Monitoring callback.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_description_has_readable_server (
	- const mongoc_topology_description_t td, const mongoc_read_prefs_t prefs)
	-{
	- bson_error_t error;
	-
	- if (!mongoc_topology_compatible (td, NULL, &error)) {
	- return false;
	- }
	-
	- /* local threshold argument doesn't matter */
	- return mongoc_topology_description_select (td, MONGOC_SS_READ, prefs, 0) !=
	- NULL;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_has_writable_server --
	- *
	- * SDAM Monitoring Spec:
	- * "Determines if the topology has a writable server available."
	- *
	- * NOTE: this method should only be called by user code in an SDAM
	- * Monitoring callback.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_description_has_writable_server (
	- const mongoc_topology_description_t *td)
	-{
	- bson_error_t error;
	-
	- if (!mongoc_topology_compatible (td, NULL, &error)) {
	- return false;
	- }
	-
	- return mongoc_topology_description_select (td, MONGOC_SS_WRITE, NULL, 0) !=
	- NULL;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_type --
	- *
	- * Get this topology's type, one of the types defined in the Server
	- * Discovery And Monitoring Spec.
	- *
	- * NOTE: this method should only be called by user code in an SDAM
	- * Monitoring callback.
	- *
	- * Returns:
	- * A string.
	- *
	- *--------------------------------------------------------------------------
	- */
	-const char *
	-mongoc_topology_description_type (const mongoc_topology_description_t *td)
	-{
	- switch (td->type) {
	- case MONGOC_TOPOLOGY_UNKNOWN:
	- return "Unknown";
	- case MONGOC_TOPOLOGY_SHARDED:
	- return "Sharded";
	- case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	- return "ReplicaSetNoPrimary";
	- case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	- return "ReplicaSetWithPrimary";
	- case MONGOC_TOPOLOGY_SINGLE:
	- return "Single";
	- case MONGOC_TOPOLOGY_LOAD_BALANCED:
	- return "LoadBalanced";
	- case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	- default:
	- fprintf (stderr, "ERROR: Unknown topology type %d\n", td->type);
	- BSON_ASSERT (0);
	- }
	-
	- return NULL;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_description_get_servers --
	- *
	- * Fetch an array of server descriptions for all known servers in the
	- * topology.
	- *
	- * Returns:
	- * An array you must free with mongoc_server_descriptions_destroy_all.
	- *
	- *--------------------------------------------------------------------------
	- */
	-mongoc_server_description_t **
	-mongoc_topology_description_get_servers (
	- const mongoc_topology_description_t td, size_t n /* OUT */)
	-{
	- size_t i;
	- const mongoc_set_t *const set =
	- mc_tpld_servers_const (BSON_ASSERT_PTR_INLINE (td));
	- /* enough room for all descriptions, even if some are unknown */
	- mongoc_server_description_t **sds =
	- bson_malloc0 (sizeof (mongoc_server_description_t ) set->items_len);
	-
	- BSON_ASSERT_PARAM (n);
	-
	- *n = 0;
	-
	- for (i = 0; i < set->items_len; ++i) {
	- const mongoc_server_description_t *sd =
	- mongoc_set_get_item_const (set, (int) i);
	-
	- if (sd->type != MONGOC_SERVER_UNKNOWN) {
	- sds[*n] = mongoc_server_description_new_copy (sd);
	- ++(*n);
	- }
	- }
	-
	- return sds;
	-}
	-
	-typedef struct {
	- mongoc_host_list_t *host_list;
	- mongoc_topology_description_t *td;
	-} _remove_if_not_in_host_list_ctx_t;
	-
	-bool
	-_remove_if_not_in_host_list_cb (void sd_void, void ctx_void)
	-{
	- _remove_if_not_in_host_list_ctx_t *ctx;
	- mongoc_topology_description_t *td;
	- mongoc_server_description_t *sd;
	- mongoc_host_list_t *host_list;
	-
	- ctx = ctx_void;
	- sd = sd_void;
	- host_list = ctx->host_list;
	- td = ctx->td;
	-
	- if (_mongoc_host_list_contains_one (host_list, &sd->host)) {
	- return true;
	- }
	- _mongoc_topology_description_remove_server (td, sd);
	- return true;
	-}
	-
	-void
	-mongoc_topology_description_reconcile (mongoc_topology_description_t *td,
	- mongoc_host_list_t *host_list)
	-{
	- mongoc_host_list_t *host;
	- _remove_if_not_in_host_list_ctx_t ctx;
	-
	- LL_FOREACH (host_list, host)
	- {
	- /* "add" is really an "upsert" */
	- mongoc_topology_description_add_server (td, host->host_and_port, NULL);
	- }
	-
	- ctx.host_list = host_list;
	- ctx.td = td;
	- mongoc_set_for_each (
	- mc_tpld_servers (td), _remove_if_not_in_host_list_cb, &ctx);
	-}
	-
	-
	-void
	-_mongoc_topology_description_clear_connection_pool (
	- mongoc_topology_description_t *td,
	- uint32_t server_id,
	- const bson_oid_t *service_id)
	-{
	- mongoc_server_description_t *sd;
	- bson_error_t error;
	-
	- BSON_ASSERT (service_id);
	-
	- sd = mongoc_topology_description_server_by_id (td, server_id, &error);
	- if (!sd) {
	- /* Server removed, ignore and ignore error. */
	- return;
	- }
	-
	- TRACE ("clearing pool for server: %s", sd->host.host_and_port);
	-
	- mc_tpl_sd_increment_generation (sd, service_id);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-private.h
	deleted file mode 100644
	index d7168540..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-private.h
	+++ /dev/null
	@@ -1,591 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_TOPOLOGY_PRIVATE_H
	-#define MONGOC_TOPOLOGY_PRIVATE_H
	-
	-#include "mongoc-config.h"
	-#include "mongoc-topology-scanner-private.h"
	-#include "mongoc-server-description-private.h"
	-#include "mongoc-topology-description-private.h"
	-#include "mongoc-thread-private.h"
	-#include "mongoc-uri.h"
	-#include "mongoc-client-session-private.h"
	-#include "mongoc-crypt-private.h"
	-#include "mongoc-ts-pool-private.h"
	-#include "mongoc-shared-private.h"
	-
	-#define MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS 500
	-#define MONGOC_TOPOLOGY_SOCKET_CHECK_INTERVAL_MS 5000
	-#define MONGOC_TOPOLOGY_COOLDOWN_MS 5000
	-#define MONGOC_TOPOLOGY_LOCAL_THRESHOLD_MS 15
	-#define MONGOC_TOPOLOGY_SERVER_SELECTION_TIMEOUT_MS 30000
	-#define MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_MULTI_THREADED 10000
	-#define MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_SINGLE_THREADED 60000
	-#define MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS 60000
	-
	-typedef enum {
	- MONGOC_TOPOLOGY_SCANNER_OFF,
	- MONGOC_TOPOLOGY_SCANNER_BG_RUNNING,
	- MONGOC_TOPOLOGY_SCANNER_SHUTTING_DOWN
	-} mongoc_topology_scanner_state_t;
	-
	-typedef enum mongoc_topology_cse_state_t {
	- MONGOC_CSE_DISABLED,
	- MONGOC_CSE_STARTING,
	- MONGOC_CSE_ENABLED,
	-} mongoc_topology_cse_state_t;
	-
	-struct _mongoc_background_monitor_t;
	-struct _mongoc_client_pool_t;
	-
	-typedef enum { MONGOC_RR_SRV, MONGOC_RR_TXT } mongoc_rr_type_t;
	-
	-typedef struct _mongoc_rr_data_t {
	- /* Number of records returned by DNS. */
	- uint32_t count;
	-
	- /* Set to lowest TTL found when polling SRV records. */
	- uint32_t min_ttl;
	-
	- /* Set to the resulting host list when polling SRV records */
	- mongoc_host_list_t *hosts;
	-
	- /* Set to the TXT record when polling for TXT */
	- char *txt_record_opts;
	-} mongoc_rr_data_t;
	-
	-struct _mongoc_topology_t;
	-
	-MONGOC_DECL_SPECIAL_TS_POOL (
	- mongoc_server_session_t,
	- mongoc_server_session_pool,
	- struct _mongoc_topology_t,
	- /* ctor/dtor/prune are defined in the new_with_params call */
	- NULL,
	- NULL,
	- NULL)
	-
	-typedef bool (_mongoc_rr_resolver_fn) (const char service,
	- mongoc_rr_type_t rr_type,
	- mongoc_rr_data_t *rr_data,
	- size_t initial_buffer_size,
	- bson_error_t *error);
	-
	-/**
	- * @brief A reference-counted reference to a topology description.
	- *
	- * The referred-to topology description should be access via the `.ptr` member
	- * of this object.
	- */
	-typedef union mc_shared_tpld {
	- /* Private: The reference-counted shared pointer that manages the topology
	- * description. */
	- mongoc_shared_ptr _sptr_;
	- /** The pointed-to topology description */
	- mongoc_topology_description_t const *ptr;
	-} mc_shared_tpld;
	-
	-/** A null-pointer initializer for an `mc_shared_tpld` */
	-#define MC_SHARED_TPLD_NULL ((mc_shared_tpld){._sptr_ = MONGOC_SHARED_PTR_NULL})
	-
	-typedef struct _mongoc_topology_t {
	- /**
	- * @brief The topology description. Do not access directly. Instead, use
	- * mc_tpld_take_ref()
	- */
	- mc_shared_tpld _shared_descr_;
	-
	- /* topology->uri is initialized as a copy of the client/pool's URI.
	- * For a "mongodb+srv://" URI, topology->uri is then updated in
	- * mongoc_topology_new() after initial seedlist discovery.
	- */
	- mongoc_uri_t *uri;
	- mongoc_topology_scanner_t *scanner;
	- bool server_selection_try_once;
	-
	- int64_t last_scan;
	- int64_t local_threshold_msec;
	- int64_t connect_timeout_msec;
	- int64_t server_selection_timeout_msec;
	- /* defaults to 500ms, configurable by tests */
	- int64_t min_heartbeat_frequency_msec;
	-
	- /* Minimum of SRV record TTLs, but no lower than 60 seconds.
	- * May be zero for non-SRV/non-MongoS topology. */
	- int64_t srv_polling_rescan_interval_ms;
	- int64_t srv_polling_last_scan_ms;
	- /* For multi-threaded, srv polling occurs in a separate thread. */
	- bson_thread_t srv_polling_thread;
	- bson_mutex_t srv_polling_mtx;
	- mongoc_cond_t srv_polling_cond;
	-
	- /**
	- * @brief Signal for background monitoring threads to signal stop/shutdown.
	- *
	- * The values stored are mongoc_topology_scanner_state_t values
	- */
	- int scanner_state;
	-
	- /**
	- * @brief This lock is held in order to serialize operations that modify the
	- * topology description. It should not be held while performing read-only
	- * operations on the topology.
	- *
	- * This mutex is also used by server selection to synchronize with threads
	- * that may update the topology following a failed server selection. It is
	- * used in conjunction with `cond_client`. This protects _shared_descr_, as
	- * well as the server_monitors and rtt_monitors.
	- */
	- bson_mutex_t tpld_modification_mtx;
	-
	- /**
	- * @brief Condition variable used to signal client threads that the topology
	- * has been updated by another thread. This CV should be used with
	- * tpld_modification_mtx, as it signals modifications to the topology.
	- *
	- * Note that mc_tpld_modify_begin/commit/drop will acquire/release
	- * tpld_modification_mtx as well.
	- */
	- mongoc_cond_t cond_client;
	-
	- bool single_threaded;
	- bool stale;
	-
	- mongoc_server_session_pool session_pool;
	-
	- /* Is client side encryption enabled? */
	- mongoc_topology_cse_state_t cse_state;
	- bool is_srv_polling;
	-
	-#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	- _mongoc_crypt_t *crypt;
	- struct _mongoc_client_t mongocryptd_client; / single threaded */
	- struct _mongoc_client_t keyvault_client; / single threaded */
	- struct _mongoc_client_pool_t mongocryptd_client_pool; / multi threaded */
	- struct _mongoc_client_pool_t keyvault_client_pool; / multi threaded */
	- char *keyvault_db;
	- char *keyvault_coll;
	- bool bypass_auto_encryption;
	- bool mongocryptd_bypass_spawn;
	- char *mongocryptd_spawn_path;
	- bson_t *mongocryptd_spawn_args;
	-#endif
	-
	- /* For background monitoring. */
	- mongoc_set_t *server_monitors;
	- mongoc_set_t *rtt_monitors;
	- bson_mutex_t apm_mutex;
	-
	- /* This is overridable for SRV polling tests to mock DNS records. */
	- _mongoc_rr_resolver_fn rr_resolver;
	-
	- /* valid is false when mongoc_topology_new failed to construct a valid
	- * topology. This could occur if the URI is invalid.
	- * An invalid topology does not monitor servers. */
	- bool valid;
	-} mongoc_topology_t;
	-
	-mongoc_topology_t *
	-mongoc_topology_new (const mongoc_uri_t *uri, bool single_threaded);
	-
	-void
	-mongoc_topology_set_apm_callbacks (mongoc_topology_t *topology,
	- mongoc_topology_description_t *td,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context);
	-
	-void
	-mongoc_topology_destroy (mongoc_topology_t *topology);
	-
	-void
	-mongoc_topology_reconcile (const mongoc_topology_t *topology,
	- mongoc_topology_description_t *td);
	-
	-bool
	-mongoc_topology_compatible (const mongoc_topology_description_t *td,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error);
	-
	-/**
	- * @brief Select a server description for an operation. May scan and update the
	- * topology.
	- *
	- * A server description might be returned that matches the given `optype` and
	- * `read_prefs`. If the topology is out-of-date or due for a scan, then this
	- * function will perform a scan and update the topology accordingly. If no
	- * matching server is found, returns a NULL pointer.
	- *
	- * @param topology The topology to inspect and/or update.
	- * @param optype The operation that is intended to be performed.
	- * @param read_prefs The read preferences for the command.
	- * @param error An output parameter for any error information.
	- * @return mongoc_server_description_t* A copy of the topology's server
	- * description that matches the request, or NULL if there is no such server.
	- *
	- * @note The returned object is a COPY, and should be released with
	- * `mongoc_server_description_destroy()`
	- *
	- * @note This function may update the topology description.
	- */
	-mongoc_server_description_t *
	-mongoc_topology_select (mongoc_topology_t *topology,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error);
	-
	-/**
	- * @brief Obtain the integral ID of a server description matching the requested
	- * ops.
	- *
	- * Refer to @see mongoc_topology_select() for more information
	- *
	- * @param topology The topology to inspect and/or update.
	- * @param optype The operation that is intended to be performed.
	- * @param read_prefs The read preferences for the command.
	- * @param error An output parameter for any error information.
	- * @return uint32_t A non-zero integer ID of the server description. In case of
	- * error, sets `error` and returns zero.
	- *
	- * @note This function may update the topology description.
	- */
	-uint32_t
	-mongoc_topology_select_server_id (mongoc_topology_t *topology,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error);
	-
	-/**
	- * @brief Return a new mongoc_host_list_t for the given server matching the
	- * given ID.
	- *
	- * @param topology The topology description to inspect
	- * @param id The ID of a server in the topology
	- * @param error Output error information
	- * @return mongoc_host_list_t* A new host list, or NULL on error
	- *
	- * @note The returned list should be freed with
	- * `_mongoc_host_list_destroy_all()`
	- */
	-mongoc_host_list_t *
	-_mongoc_topology_host_by_id (const mongoc_topology_description_t *topology,
	- uint32_t id,
	- bson_error_t *error);
	-
	-/**
	- * @brief Update the topology from the response to a handshake on a new
	- * application connection.
	- *
	- * @note Only applicable to a client pool (single-threaded clients reuse
	- * monitoring connections).
	- *
	- * @param topology The topology that will be updated.
	- * @param sd The server description that contains the hello response.
	- * @return true If the server is valid in the topology.
	- * @return false If the server was already removed from the topology.
	- */
	-bool
	-_mongoc_topology_update_from_handshake (mongoc_topology_t *topology,
	- const mongoc_server_description_t *sd);
	-
	-void
	-_mongoc_topology_update_last_used (mongoc_topology_t *topology,
	- uint32_t server_id);
	-
	-int64_t
	-mongoc_topology_server_timestamp (mongoc_topology_t *topology, uint32_t id);
	-
	-/**
	- * @brief Get the current type of the topology
	- */
	-mongoc_topology_description_type_t
	-_mongoc_topology_get_type (const mongoc_topology_t *topology);
	-
	-bool
	-_mongoc_topology_set_appname (mongoc_topology_t topology, const char appname);
	-
	-void
	-_mongoc_topology_update_cluster_time (mongoc_topology_t *topology,
	- const bson_t *reply);
	-
	-mongoc_server_session_t *
	-_mongoc_topology_pop_server_session (mongoc_topology_t *topology,
	- bson_error_t *error);
	-
	-void
	-_mongoc_topology_push_server_session (mongoc_topology_t *topology,
	- mongoc_server_session_t *server_session);
	-
	-bool
	-_mongoc_topology_end_sessions_cmd (mongoc_topology_t topology, bson_t cmd);
	-
	-void
	-_mongoc_topology_do_blocking_scan (mongoc_topology_t *topology,
	- bson_error_t *error);
	-
	-/**
	- * @brief Duplicate the handshake command of the topology scanner.
	- *
	- * @param topology The topology to inspect.
	- * @param copy_into The destination of the copy. Should be uninitialized storage
	- * for a bson_t.
	- *
	- * @note This API will lazily construct the handshake command for the scanner.
	- *
	- * @note This is called at the start of the scan in
	- * _mongoc_topology_run_background, when a node is added in
	- * _mongoc_topology_reconcile_add_nodes, or when running a hello directly on a
	- * node in _mongoc_stream_run_hello.
	- */
	-void
	-_mongoc_topology_dup_handshake_cmd (const mongoc_topology_t *topology,
	- bson_t *copy_into);
	-void
	-_mongoc_topology_request_scan (mongoc_topology_t *topology);
	-
	-void
	-_mongoc_topology_bypass_cooldown (mongoc_topology_t *topology);
	-
	-typedef enum {
	- MONGOC_SDAM_APP_ERROR_COMMAND,
	- MONGOC_SDAM_APP_ERROR_NETWORK,
	- MONGOC_SDAM_APP_ERROR_TIMEOUT
	-} _mongoc_sdam_app_error_type_t;
	-
	-/**
	- * @brief Handle an error from an app connection
	- *
	- * Processes network errors, timeouts, and command replies.
	- *
	- * @param topology The topology that will be updated
	- * @param server_id The ID of the server on which the error occurred.
	- * @param handshake_complete Whether the handshake was complete for this server
	- * @param type The type of error to process
	- * @param reply If checking for a command error, the server reply. Otherwise
	- * NULL
	- * @param why An error that will be attached to the server description
	- * @param max_wire_version
	- * @param generation The generation of the server description the caller was
	- * using.
	- * @param service_id A service ID for a load-balanced deployment. If not
	- * applicable, pass kZeroServiceID.
	- * @return true If the topology was updated and the pool was cleared.
	- * @return false If no modifications were made and the error was ignored.
	- *
	- * @note May update the topology description.
	- */
	-bool
	-_mongoc_topology_handle_app_error (mongoc_topology_t *topology,
	- uint32_t server_id,
	- bool handshake_complete,
	- _mongoc_sdam_app_error_type_t type,
	- const bson_t *reply,
	- const bson_error_t *why,
	- uint32_t max_wire_version,
	- uint32_t generation,
	- const bson_oid_t *service_id);
	-
	-void
	-mongoc_topology_rescan_srv (mongoc_topology_t *topology);
	-
	-bool
	-mongoc_topology_should_rescan_srv (mongoc_topology_t *topology);
	-
	-/* _mongoc_topology_set_rr_resolver is called by tests to mock DNS responses for
	- * SRV polling.
	- * This is necessarily called after initial seedlist discovery completes in
	- * mongoc_topology_new.
	- * Callers should call this before monitoring starts.
	- */
	-void
	-_mongoc_topology_set_rr_resolver (mongoc_topology_t *topology,
	- _mongoc_rr_resolver_fn rr_resolver);
	-
	-/* _mongoc_topology_set_srv_polling_rescan_interval_ms is called by tests to
	- * shorten the rescan interval.
	- * Callers should call this before monitoring starts.
	- */
	-void
	-_mongoc_topology_set_srv_polling_rescan_interval_ms (
	- mongoc_topology_t *topology, int64_t val);
	-
	-/**
	- * @brief Return the latest connection generation for the server_id and/or
	- * service_id.
	- *
	- * Use this generation for newly established connections.
	- *
	- * @param td The topology that contains the server
	- * @param server_id The ID of the server to inspect
	- * @param service_id The service ID of the connection if applicable, or
	- * kZeroServiceID.
	- * @returns uint32_t A generation counter for the given server, or zero if the
	- * server does not exist in the topology.
	- */
	-uint32_t
	-_mongoc_topology_get_connection_pool_generation (
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- const bson_oid_t *service_id);
	-
	-/**
	- * @brief Obtain a reference to the current topology description for the given
	- * topology.
	- *
	- * Returns a ref-counted reference to the topology description. The returned
	- * reference must later be released with mc_tpld_drop_ref(). The contents of the
	- * topology description are immutable.
	- */
	-static BSON_INLINE mc_shared_tpld
	-mc_tpld_take_ref (const mongoc_topology_t *tpl)
	-{
	- return (mc_shared_tpld){
	- ._sptr_ = mongoc_atomic_shared_ptr_load (&tpl->_shared_descr_._sptr_)};
	-}
	-
	-/**
	- * @brief Release a reference to a topology description obtained via
	- * mc_tpld_take_ref().
	- *
	- * The pointed-to shared reference will be reset to NULL.
	- */
	-static BSON_INLINE void
	-mc_tpld_drop_ref (mc_shared_tpld *p)
	-{
	- mongoc_shared_ptr_reset_null (&p->_sptr_);
	-}
	-
	-/**
	- * @brief Refresh a reference to a topology description for the given topology.
	- *
	- * @param td Pointer-to-shared-pointer of the topology description
	- * @param tpl The topology to query.
	- *
	- * The pointed-to shared pointer will be modified to refer to the topology
	- * description of the topology.
	- *
	- * Equivalent to a call to `mc_tpld_drop_ref()` followed by a call to
	- * `mc_tpld_take_ref()`.
	- */
	-static BSON_INLINE void
	-mc_tpld_renew_ref (mc_shared_tpld td, mongoc_topology_t tpl)
	-{
	- mc_tpld_drop_ref (td);
	- *td = mc_tpld_take_ref (tpl);
	-}
	-
	-/**
	- * @brief A pending topology description modification.
	- *
	- * Create an instance using `mc_tpld_modify_begin()`.
	- */
	-typedef struct mc_tpld_modification {
	- /** The new topology. Modifications should be applied to this topology
	- * description. Those modifications will be published by
	- * `mc_tpld_modify_commit()`. */
	- mongoc_topology_description_t *new_td;
	- /** The topology that owns the topology description */
	- mongoc_topology_t *topology;
	-} mc_tpld_modification;
	-
	-/**
	- * @brief Begin a new modification transaction of the topology description owned
	- * by `tpl`
	- *
	- * @return mc_tpld_modification A pending modification.
	- *
	- * @note MUST be followed by a call to `mc_tpld_modify_commit` OR
	- * `mc_tpld_modify_drop`
	- *
	- * @note THIS FUNCTION MAY BLOCK: This call takes a lock, which will only be
	- * released by mc_tpld_modify_commit() or mc_tpld_modify_drop(). Do not call
	- * this API while the current thread is already performing a modification!
	- */
	-mc_tpld_modification
	-mc_tpld_modify_begin (mongoc_topology_t *tpl);
	-
	-/**
	- * @brief Commit a topology description modification to the owning topology.
	- *
	- * All later calls to mc_tpld_take_ref() will see the new topology.
	- */
	-void mc_tpld_modify_commit (mc_tpld_modification);
	-
	-/**
	- * @brief Drop a pending modification to a topology description. No changes will
	- * be made to the topology.
	- */
	-void mc_tpld_modify_drop (mc_tpld_modification);
	-
	-/**
	- * @brief Obtain a pointer-to-mutable mongoc_topology_description_t for the
	- * given topology.
	- *
	- * This call is "unsafe" as the returned pointer may be invalidated by
	- * concurrent modifications done using mc_tpld_modify_begin() and
	- * mc_tpld_modify_commit().
	- *
	- * To obtain a safe pointer to the topology description, use mc_tpld_take_ref().
	- */
	-static BSON_INLINE mongoc_topology_description_t *
	-mc_tpld_unsafe_get_mutable (mongoc_topology_t *tpl)
	-{
	- return tpl->_shared_descr_._sptr_.ptr;
	-}
	-
	-/**
	- * @brief Obtain a pointer-to-const mongoc_topology_description_t for the
	- * given topology.
	- *
	- * This call is "unsafe" as the returned pointer may be invalidated by
	- * concurrent modifications done using mc_tpld_modify_begin() and
	- * mc_tpld_modify_commit().
	- *
	- * To obtain a safe pointer to the topology description, use mc_tpld_take_ref().
	- *
	- * @return const mongoc_topology_description_t* Pointer to the topology
	- * description for the given topology.
	- */
	-static BSON_INLINE const mongoc_topology_description_t *
	-mc_tpld_unsafe_get_const (const mongoc_topology_t *tpl)
	-{
	- return tpl->_shared_descr_._sptr_.ptr;
	-}
	-
	-/**
	- * @brief Directly invalidate a server in the topology by its ID.
	- *
	- * This is intended for testing purposes, as it provides thread-safe
	- * direct topology modification.
	- *
	- * @param td The topology to modify.
	- * @param server_id The ID of a server in the topology.
	- */
	-static BSON_INLINE void
	-_mongoc_topology_invalidate_server (mongoc_topology_t *td, uint32_t server_id)
	-{
	- bson_error_t error;
	- mc_tpld_modification tdmod = mc_tpld_modify_begin (td);
	- bson_set_error (
	- &error, MONGOC_ERROR_STREAM, MONGOC_ERROR_STREAM_CONNECT, "invalidated");
	- mongoc_topology_description_invalidate_server (
	- tdmod.new_td, server_id, &error);
	- mc_tpld_modify_commit (tdmod);
	-}
	-
	-#endif
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner-private.h
	deleted file mode 100644
	index 60a3c187..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner-private.h
	+++ /dev/null
	@@ -1,282 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_TOPOLOGY_SCANNER_PRIVATE_H
	-#define MONGOC_TOPOLOGY_SCANNER_PRIVATE_H
	-
	-/* TODO: rename to TOPOLOGY scanner */
	-
	-#include <bson/bson.h>
	-#include "mongoc-async-private.h"
	-#include "mongoc-async-cmd-private.h"
	-#include "mongoc-handshake-private.h"
	-#include "mongoc-host-list.h"
	-#include "mongoc-apm-private.h"
	-#include "mongoc-scram-private.h"
	-#include "mongoc-ssl.h"
	-#include "mongoc-crypto-private.h"
	-#include "mongoc-server-description-private.h"
	-#include "common-thread-private.h"
	-
	-BSON_BEGIN_DECLS
	-
	-typedef void (*mongoc_topology_scanner_setup_err_cb_t) (
	- uint32_t id, void data, const bson_error_t error /* IN */);
	-
	-typedef void (*mongoc_topology_scanner_cb_t) (
	- uint32_t id,
	- const bson_t *bson,
	- int64_t rtt,
	- void *data,
	- const bson_error_t error / IN */);
	-
	-struct mongoc_topology_scanner;
	-struct mongoc_topology_scanner_node;
	-
	-typedef struct mongoc_topology_scanner_node {
	- uint32_t id;
	- /* after scanning, this is set to the successful stream if one exists. */
	- mongoc_stream_t *stream;
	-
	- int64_t last_used;
	- int64_t last_failed;
	- bool has_auth;
	- bool hello_ok;
	- mongoc_host_list_t host;
	- struct mongoc_topology_scanner *ts;
	-
	- struct mongoc_topology_scanner_node *next;
	- struct mongoc_topology_scanner_node *prev;
	-
	- bool retired;
	- bson_error_t last_error;
	-
	- /* the hostname for a node may resolve to multiple DNS results.
	- * dns_results has the full list of DNS results, ordered by host preference.
	- * successful_dns_result is the most recent successful DNS result.
	- */
	- struct addrinfo *dns_results;
	- struct addrinfo *successful_dns_result;
	- int64_t last_dns_cache;
	-
	- /* used by single-threaded clients to store negotiated sasl mechanisms on a
	- * node. */
	- mongoc_handshake_sasl_supported_mechs_t sasl_supported_mechs;
	- bool negotiated_sasl_supported_mechs;
	- bson_t speculative_auth_response;
	- mongoc_scram_t scram;
	-
	- /* handshake_sd is a server description constructed from the response of the
	- * initial handshake. It is bound to the lifetime of stream. */
	- mongoc_server_description_t *handshake_sd;
	-} mongoc_topology_scanner_node_t;
	-
	-typedef enum handshake_state_t {
	- /**
	- * The handshake command has no value. The handshake_cmd pointer will be
	- * NULL.
	- */
	- HANDSHAKE_CMD_UNINITIALIZED,
	- /**
	- * The handshake command could not be constructed because it would be too
	- * large. The handshake_cmd pointer will be NULL.
	- */
	- HANDSHAKE_CMD_TOO_BIG,
	- /**
	- * The handshake command is valid and ready to be copied-from.
	- */
	- HANDSHAKE_CMD_OKAY,
	-} handshake_state_t;
	-
	-typedef struct mongoc_topology_scanner {
	- mongoc_async_t *async;
	- int64_t connect_timeout_msec;
	- mongoc_topology_scanner_node_t *nodes;
	- bson_t hello_cmd;
	- bson_t legacy_hello_cmd;
	- bson_mutex_t handshake_cmd_mtx;
	- bson_t *handshake_cmd;
	- handshake_state_t handshake_state;
	- bson_t cluster_time;
	- const char *appname;
	-
	- mongoc_topology_scanner_setup_err_cb_t setup_err_cb;
	- mongoc_topology_scanner_cb_t cb;
	- void *cb_data;
	- const mongoc_uri_t *uri;
	- mongoc_async_cmd_setup_t setup;
	- mongoc_stream_initiator_t initiator;
	- void *initiator_context;
	- bson_error_t error;
	-
	-#ifdef MONGOC_ENABLE_SSL
	- mongoc_ssl_opt_t *ssl_opts;
	-#endif
	-
	- mongoc_apm_callbacks_t apm_callbacks;
	- void *apm_context;
	- int64_t dns_cache_timeout_ms;
	- /* only used by single-threaded clients to negotiate auth mechanisms. */
	- bool negotiate_sasl_supported_mechs;
	- bool bypass_cooldown;
	- bool speculative_authentication;
	-
	- mongoc_server_api_t *api;
	- bool loadbalanced;
	-} mongoc_topology_scanner_t;
	-
	-mongoc_topology_scanner_t *
	-mongoc_topology_scanner_new (
	- const mongoc_uri_t *uri,
	- mongoc_topology_scanner_setup_err_cb_t setup_err_cb,
	- mongoc_topology_scanner_cb_t cb,
	- void *data,
	- int64_t connect_timeout_msec);
	-
	-void
	-mongoc_topology_scanner_destroy (mongoc_topology_scanner_t *ts);
	-
	-bool
	-mongoc_topology_scanner_valid (mongoc_topology_scanner_t *ts);
	-
	-void
	-mongoc_topology_scanner_add (mongoc_topology_scanner_t *ts,
	- const mongoc_host_list_t *host,
	- uint32_t id,
	- bool hello_ok);
	-
	-void
	-mongoc_topology_scanner_scan (mongoc_topology_scanner_t *ts, uint32_t id);
	-
	-void
	-mongoc_topology_scanner_disconnect (mongoc_topology_scanner_t *scanner);
	-
	-void
	-mongoc_topology_scanner_node_retire (mongoc_topology_scanner_node_t *node);
	-
	-void
	-mongoc_topology_scanner_node_disconnect (mongoc_topology_scanner_node_t *node,
	- bool failed);
	-
	-void
	-mongoc_topology_scanner_node_destroy (mongoc_topology_scanner_node_t *node,
	- bool failed);
	-
	-bool
	-mongoc_topology_scanner_in_cooldown (mongoc_topology_scanner_t *ts,
	- int64_t when);
	-
	-void
	-mongoc_topology_scanner_start (mongoc_topology_scanner_t *ts,
	- bool obey_cooldown);
	-
	-void
	-mongoc_topology_scanner_work (mongoc_topology_scanner_t *ts);
	-
	-void
	-_mongoc_topology_scanner_finish (mongoc_topology_scanner_t *ts);
	-
	-void
	-mongoc_topology_scanner_get_error (mongoc_topology_scanner_t *ts,
	- bson_error_t *error);
	-
	-void
	-mongoc_topology_scanner_reset (mongoc_topology_scanner_t *ts);
	-
	-void
	-mongoc_topology_scanner_node_setup (mongoc_topology_scanner_node_t *node,
	- bson_error_t *error);
	-
	-mongoc_topology_scanner_node_t *
	-mongoc_topology_scanner_get_node (mongoc_topology_scanner_t *ts, uint32_t id);
	-
	-void
	-_mongoc_topology_scanner_add_speculative_authentication (
	- bson_t *cmd,
	- const mongoc_uri_t *uri,
	- const mongoc_ssl_opt_t *ssl_opts,
	- mongoc_scram_cache_t *scram_cache,
	- mongoc_scram_t scram / OUT */);
	-
	-void
	-_mongoc_topology_scanner_parse_speculative_authentication (
	- const bson_t hello, bson_t speculative_authenticate);
	-
	-const char *
	-_mongoc_topology_scanner_get_speculative_auth_mechanism (
	- const mongoc_uri_t *uri);
	-
	-const bson_t *
	-_mongoc_topology_scanner_get_monitoring_cmd (mongoc_topology_scanner_t *ts,
	- bool hello_ok);
	-
	-/**
	- * @brief Get the scanner's associated handshake command BSON document.
	- *
	- * @param ts The scanner to inspect
	- * @param copy_into A pointer to an initialized bson_t. The handshake command
	- * will be copied into the pointee.
	- */
	-void
	-_mongoc_topology_scanner_dup_handshake_cmd (mongoc_topology_scanner_t *ts,
	- bson_t *copy_into);
	-
	-bool
	-mongoc_topology_scanner_has_node_for_host (mongoc_topology_scanner_t *ts,
	- mongoc_host_list_t *host);
	-
	-void
	-mongoc_topology_scanner_set_stream_initiator (mongoc_topology_scanner_t *ts,
	- mongoc_stream_initiator_t si,
	- void *ctx);
	-bool
	-_mongoc_topology_scanner_set_appname (mongoc_topology_scanner_t *ts,
	- const char *name);
	-void
	-_mongoc_topology_scanner_set_cluster_time (mongoc_topology_scanner_t *ts,
	- const bson_t *cluster_time);
	-
	-void
	-_mongoc_topology_scanner_set_dns_cache_timeout (mongoc_topology_scanner_t *ts,
	- int64_t timeout_ms);
	-
	-#ifdef MONGOC_ENABLE_SSL
	-void
	-mongoc_topology_scanner_set_ssl_opts (mongoc_topology_scanner_t *ts,
	- mongoc_ssl_opt_t *opts);
	-#endif
	-
	-bool
	-mongoc_topology_scanner_node_in_cooldown (mongoc_topology_scanner_node_t *node,
	- int64_t when);
	-
	-void
	-_mongoc_topology_scanner_set_server_api (mongoc_topology_scanner_t *ts,
	- const mongoc_server_api_t *api);
	-
	-void
	-_mongoc_topology_scanner_set_loadbalanced (mongoc_topology_scanner_t *ts,
	- bool val);
	-
	-/* for testing. */
	-mongoc_stream_t *
	-_mongoc_topology_scanner_tcp_initiate (mongoc_async_cmd_t *acmd);
	-
	-BSON_END_DECLS
	-
	-#endif /* MONGOC_TOPOLOGY_SCANNER_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner.c
	deleted file mode 100644
	index 1320177c..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner.c
	+++ /dev/null
	@@ -1,1466 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-config.h"
	-#include "mongoc-error.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-topology-scanner-private.h"
	-#include "mongoc-stream-private.h"
	-#include "mongoc-stream-socket.h"
	-
	-#include "mongoc-handshake.h"
	-#include "mongoc-handshake-private.h"
	-
	-#ifdef MONGOC_ENABLE_SSL
	-#include "mongoc-stream-tls.h"
	-#endif
	-
	-#include "mongoc-counters-private.h"
	-#include "utlist.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-host-list-private.h"
	-#include "mongoc-uri-private.h"
	-#include "mongoc-cluster-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-util-private.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "topology_scanner"
	-
	-#define DNS_CACHE_TIMEOUT_MS 10 * 60 * 1000
	-#define HAPPY_EYEBALLS_DELAY_MS 250
	-
	-/* forward declarations */
	-static void
	-_async_connected (mongoc_async_cmd_t *acmd);
	-
	-static void
	-_async_success (mongoc_async_cmd_t *acmd,
	- const bson_t *hello_response,
	- int64_t duration_usec);
	-
	-static void
	-_async_error_or_timeout (mongoc_async_cmd_t *acmd,
	- int64_t duration_usec,
	- const char *default_err_msg);
	-
	-static void
	-_async_handler (mongoc_async_cmd_t *acmd,
	- mongoc_async_cmd_result_t async_status,
	- const bson_t *hello_response,
	- int64_t duration_usec);
	-
	-static void
	-_mongoc_topology_scanner_monitor_heartbeat_started (
	- const mongoc_topology_scanner_t ts, const mongoc_host_list_t host);
	-
	-static void
	-_mongoc_topology_scanner_monitor_heartbeat_succeeded (
	- const mongoc_topology_scanner_t *ts,
	- const mongoc_host_list_t *host,
	- const bson_t *reply,
	- int64_t duration_usec);
	-
	-static void
	-_mongoc_topology_scanner_monitor_heartbeat_failed (
	- const mongoc_topology_scanner_t *ts,
	- const mongoc_host_list_t *host,
	- const bson_error_t *error,
	- int64_t duration_usec);
	-
	-
	-/* reset "retired" nodes that failed or were removed in the previous scan */
	-static void
	-_delete_retired_nodes (mongoc_topology_scanner_t *ts);
	-
	-/* cancel any pending async commands for a specific node excluding acmd.
	- * If acmd is NULL, cancel all async commands on the node. */
	-static void
	-_cancel_commands_excluding (mongoc_topology_scanner_node_t *node,
	- mongoc_async_cmd_t *acmd);
	-
	-/* return the number of pending async commands for a node. */
	-static int
	-_count_acmds (mongoc_topology_scanner_node_t *node);
	-
	-/* if acmd fails, schedule the sibling commands sooner. */
	-static void
	-_jumpstart_other_acmds (mongoc_topology_scanner_node_t *node,
	- mongoc_async_cmd_t *acmd);
	-
	-static void
	-_add_hello (mongoc_topology_scanner_t *ts)
	-{
	- mongoc_server_api_t *api = ts->api;
	-
	- BSON_APPEND_INT32 (&ts->hello_cmd, "hello", 1);
	- BSON_APPEND_BOOL (&ts->hello_cmd, "helloOk", true);
	-
	- BSON_APPEND_INT32 (&ts->legacy_hello_cmd, HANDSHAKE_CMD_LEGACY_HELLO, 1);
	- BSON_APPEND_BOOL (&ts->legacy_hello_cmd, "helloOk", true);
	-
	- if (api) {
	- _mongoc_cmd_append_server_api (&ts->hello_cmd, api);
	- }
	-}
	-
	-static void
	-_init_hello (mongoc_topology_scanner_t *ts)
	-{
	- bson_init (&ts->hello_cmd);
	- bson_init (&ts->legacy_hello_cmd);
	- bson_init (&ts->cluster_time);
	- ts->handshake_cmd = NULL;
	-
	- _add_hello (ts);
	-}
	-
	-static void
	-_reset_hello (mongoc_topology_scanner_t *ts)
	-{
	- bson_t *prev_cmd;
	- bson_reinit (&ts->hello_cmd);
	- bson_reinit (&ts->legacy_hello_cmd);
	-
	- bson_mutex_lock (&ts->handshake_cmd_mtx);
	- prev_cmd = ts->handshake_cmd;
	- ts->handshake_cmd = NULL;
	- ts->handshake_state = HANDSHAKE_CMD_UNINITIALIZED;
	- bson_mutex_unlock (&ts->handshake_cmd_mtx);
	- bson_destroy (prev_cmd);
	-
	- _add_hello (ts);
	-}
	-
	-const char *
	-_mongoc_topology_scanner_get_speculative_auth_mechanism (
	- const mongoc_uri_t *uri)
	-{
	- const char *mechanism = mongoc_uri_get_auth_mechanism (uri);
	- bool requires_auth = mechanism \|\| mongoc_uri_get_username (uri);
	-
	- if (!requires_auth) {
	- return NULL;
	- }
	-
	- if (!mechanism) {
	- return "SCRAM-SHA-256";
	- }
	-
	- return mechanism;
	-}
	-
	-void
	-_mongoc_topology_scanner_add_speculative_authentication (
	- bson_t *cmd,
	- const mongoc_uri_t *uri,
	- const mongoc_ssl_opt_t *ssl_opts,
	- mongoc_scram_cache_t *scram_cache,
	- mongoc_scram_t scram / OUT */)
	-{
	- bson_t auth_cmd;
	- bson_error_t error;
	- bool has_auth = false;
	- const char *mechanism =
	- _mongoc_topology_scanner_get_speculative_auth_mechanism (uri);
	-
	- if (!mechanism) {
	- return;
	- }
	-
	- if (strcasecmp (mechanism, "MONGODB-X509") == 0) {
	- /* Ignore errors while building authentication document: we proceed with
	- * the handshake as usual and let the subsequent authenticate command
	- * fail. */
	- if (_mongoc_cluster_get_auth_cmd_x509 (
	- uri, ssl_opts, &auth_cmd, &error)) {
	- has_auth = true;
	- BSON_APPEND_UTF8 (&auth_cmd, "db", "$external");
	- }
	- }
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- if (strcasecmp (mechanism, "SCRAM-SHA-1") == 0 \|\|
	- strcasecmp (mechanism, "SCRAM-SHA-256") == 0) {
	- mongoc_crypto_hash_algorithm_t algo =
	- strcasecmp (mechanism, "SCRAM-SHA-1") == 0
	- ? MONGOC_CRYPTO_ALGORITHM_SHA_1
	- : MONGOC_CRYPTO_ALGORITHM_SHA_256;
	-
	- _mongoc_uri_init_scram (uri, scram, algo);
	-
	- if (scram_cache) {
	- _mongoc_scram_set_cache (scram, scram_cache);
	- }
	-
	- if (_mongoc_cluster_get_auth_cmd_scram (algo, scram, &auth_cmd, &error)) {
	- const char *auth_source;
	-
	- if (!(auth_source = mongoc_uri_get_auth_source (uri)) \|\|
	- (*auth_source == '\0')) {
	- auth_source = "admin";
	- }
	-
	- has_auth = true;
	- BSON_APPEND_UTF8 (&auth_cmd, "db", auth_source);
	- }
	- }
	-#endif
	-
	- if (has_auth) {
	- BSON_APPEND_DOCUMENT (cmd, "speculativeAuthenticate", &auth_cmd);
	- bson_destroy (&auth_cmd);
	- }
	-}
	-
	-void
	-_mongoc_topology_scanner_parse_speculative_authentication (
	- const bson_t hello, bson_t speculative_authenticate)
	-{
	- bson_iter_t iter;
	- uint32_t data_len;
	- const uint8_t *data;
	- bson_t auth_response;
	-
	- BSON_ASSERT (hello);
	- BSON_ASSERT (speculative_authenticate);
	-
	- if (!bson_iter_init_find (&iter, hello, "speculativeAuthenticate")) {
	- return;
	- }
	-
	- bson_iter_document (&iter, &data_len, &data);
	- BSON_ASSERT (bson_init_static (&auth_response, data, data_len));
	-
	- bson_destroy (speculative_authenticate);
	- bson_copy_to (&auth_response, speculative_authenticate);
	-}
	-
	-static bson_t *
	-_build_handshake_cmd (const bson_t *basis_cmd,
	- const char *appname,
	- const mongoc_uri_t *uri,
	- bool is_loadbalanced)
	-{
	- bson_t *doc = bson_copy (basis_cmd);
	- bson_t subdoc;
	- bson_iter_t iter;
	- const char *key;
	- int keylen;
	- const bson_t *compressors;
	- int count = 0;
	- char buf[16];
	- bool subdoc_okay;
	-
	- BSON_APPEND_DOCUMENT_BEGIN (doc, HANDSHAKE_FIELD, &subdoc);
	- subdoc_okay =
	- _mongoc_handshake_build_doc_with_application (&subdoc, appname);
	- bson_append_document_end (doc, &subdoc);
	-
	- if (!subdoc_okay) {
	- bson_destroy (doc);
	- return NULL;
	- }
	-
	- BSON_APPEND_ARRAY_BEGIN (doc, "compression", &subdoc);
	- if (uri) {
	- compressors = mongoc_uri_get_compressors (uri);
	-
	- if (bson_iter_init (&iter, compressors)) {
	- while (bson_iter_next (&iter)) {
	- keylen = bson_uint32_to_string (count++, &key, buf, sizeof buf);
	- bson_append_utf8 (
	- &subdoc, key, (int) keylen, bson_iter_key (&iter), -1);
	- }
	- }
	- }
	- bson_append_array_end (doc, &subdoc);
	-
	- if (is_loadbalanced) {
	- BSON_APPEND_BOOL (doc, "loadBalanced", true);
	- }
	-
	- /* Return whether the handshake doc fit the size limit */
	- return doc;
	-}
	-
	-const bson_t *
	-_mongoc_topology_scanner_get_monitoring_cmd (mongoc_topology_scanner_t *ts,
	- bool hello_ok)
	-{
	- return hello_ok \|\| ts->api ? &ts->hello_cmd : &ts->legacy_hello_cmd;
	-}
	-
	-void
	-_mongoc_topology_scanner_dup_handshake_cmd (mongoc_topology_scanner_t *ts,
	- bson_t *copy_into)
	-{
	- bson_t *new_cmd;
	- const char *appname;
	- BSON_ASSERT_PARAM (ts);
	- BSON_ASSERT_PARAM (copy_into);
	-
	- /* appname will only be changed from NULL, so a non-null pointer will never
	- * be invalidated after this fetch. */
	- appname =
	- bson_atomic_ptr_fetch ((void *) &ts->appname, bson_memory_order_relaxed);
	-
	- bson_mutex_lock (&ts->handshake_cmd_mtx);
	- /* If this is the first time using the node or if it's the first time
	- * using it after a failure, build handshake doc */
	- if (ts->handshake_state != HANDSHAKE_CMD_UNINITIALIZED) {
	- /* We're good to just return the handshake now */
	- goto after_init;
	- }
	-
	- /* There is not yet a handshake command associated with this scanner.
	- * Initialize one and set it now. */
	- /* Note: Don't hold the mutex while we build our command */
	- /* Construct a new handshake command to be sent */
	- BSON_ASSERT (ts->handshake_cmd == NULL);
	- bson_mutex_unlock (&ts->handshake_cmd_mtx);
	- new_cmd =
	- _build_handshake_cmd (ts->api ? &ts->hello_cmd : &ts->legacy_hello_cmd,
	- appname,
	- ts->uri,
	- ts->loadbalanced);
	- bson_mutex_lock (&ts->handshake_cmd_mtx);
	- if (ts->handshake_state != HANDSHAKE_CMD_UNINITIALIZED) {
	- /* Someone else updated the handshake_cmd while we were building ours.
	- * Defer to their copy and just destroy the one we created. */
	- bson_destroy (new_cmd);
	- goto after_init;
	- }
	- BSON_ASSERT (ts->handshake_cmd == NULL);
	- /* We're still the one updating the command */
	- ts->handshake_cmd = new_cmd;
	- /* The "_build" may have failed. */
	- /* Even if new_cmd is NULL, this is still what we want */
	- ts->handshake_state =
	- new_cmd == NULL ? HANDSHAKE_CMD_TOO_BIG : HANDSHAKE_CMD_OKAY;
	- if (ts->handshake_state == HANDSHAKE_CMD_TOO_BIG) {
	- MONGOC_WARNING ("Handshake doc too big, not including in hello");
	- }
	-
	-after_init:
	- /* If the doc turned out to be too big */
	- if (ts->handshake_state == HANDSHAKE_CMD_TOO_BIG) {
	- bson_t *ret = ts->api ? &ts->hello_cmd : &ts->legacy_hello_cmd;
	- bson_copy_to (ret, copy_into);
	- } else {
	- BSON_ASSERT (ts->handshake_cmd != NULL);
	- bson_copy_to (ts->handshake_cmd, copy_into);
	- }
	- bson_mutex_unlock (&ts->handshake_cmd_mtx);
	-}
	-
	-static void
	-_begin_hello_cmd (mongoc_topology_scanner_node_t *node,
	- mongoc_stream_t *stream,
	- bool is_setup_done,
	- struct addrinfo *dns_result,
	- int64_t initiate_delay_ms)
	-{
	- mongoc_topology_scanner_t *ts = node->ts;
	- bson_t cmd;
	-
	- if (node->last_used != -1 && node->last_failed == -1) {
	- /* The node's been used before and not failed recently */
	- bson_copy_to (
	- _mongoc_topology_scanner_get_monitoring_cmd (ts, node->hello_ok),
	- &cmd);
	- } else {
	- _mongoc_topology_scanner_dup_handshake_cmd (ts, &cmd);
	- }
	-
	- if (node->ts->negotiate_sasl_supported_mechs &&
	- !node->negotiated_sasl_supported_mechs) {
	- _mongoc_handshake_append_sasl_supported_mechs (ts->uri, &cmd);
	- }
	-
	- if (node->ts->speculative_authentication && !node->has_auth &&
	- bson_empty (&node->speculative_auth_response) && node->scram.step == 0) {
	- mongoc_ssl_opt_t *ssl_opts = NULL;
	-
	-#ifdef MONGOC_ENABLE_SSL
	- ssl_opts = ts->ssl_opts;
	-#endif
	-
	- _mongoc_topology_scanner_add_speculative_authentication (
	- &cmd, ts->uri, ssl_opts, NULL, &node->scram);
	- }
	-
	- if (!bson_empty (&ts->cluster_time)) {
	- bson_append_document (&cmd, "$clusterTime", 12, &ts->cluster_time);
	- }
	-
	- /* if the node should connect with a TCP socket, stream will be null, and
	- * dns_result will be set. The async loop is responsible for calling the
	- * _tcp_initiator to construct TCP sockets. */
	- mongoc_async_cmd_new (ts->async,
	- stream,
	- is_setup_done,
	- dns_result,
	- _mongoc_topology_scanner_tcp_initiate,
	- initiate_delay_ms,
	- ts->setup,
	- node->host.host,
	- "admin",
	- &cmd,
	- &_async_handler,
	- node,
	- ts->connect_timeout_msec);
	-
	- bson_destroy (&cmd);
	-}
	-
	-
	-mongoc_topology_scanner_t *
	-mongoc_topology_scanner_new (
	- const mongoc_uri_t *uri,
	- mongoc_topology_scanner_setup_err_cb_t setup_err_cb,
	- mongoc_topology_scanner_cb_t cb,
	- void *data,
	- int64_t connect_timeout_msec)
	-{
	- mongoc_topology_scanner_t *ts =
	- (mongoc_topology_scanner_t ) bson_malloc0 (sizeof (ts));
	-
	- ts->async = mongoc_async_new ();
	-
	- ts->setup_err_cb = setup_err_cb;
	- ts->cb = cb;
	- ts->cb_data = data;
	- ts->uri = uri;
	- ts->appname = NULL;
	- ts->api = NULL;
	- ts->handshake_state = HANDSHAKE_CMD_UNINITIALIZED;
	- ts->connect_timeout_msec = connect_timeout_msec;
	- /* may be overridden for testing. */
	- ts->dns_cache_timeout_ms = DNS_CACHE_TIMEOUT_MS;
	- bson_mutex_init (&ts->handshake_cmd_mtx);
	-
	- _init_hello (ts);
	-
	- return ts;
	-}
	-
	-#ifdef MONGOC_ENABLE_SSL
	-void
	-mongoc_topology_scanner_set_ssl_opts (mongoc_topology_scanner_t *ts,
	- mongoc_ssl_opt_t *opts)
	-{
	- ts->ssl_opts = opts;
	- ts->setup = mongoc_async_cmd_tls_setup;
	-}
	-#endif
	-
	-void
	-mongoc_topology_scanner_set_stream_initiator (mongoc_topology_scanner_t *ts,
	- mongoc_stream_initiator_t si,
	- void *ctx)
	-{
	- ts->initiator = si;
	- ts->initiator_context = ctx;
	- ts->setup = NULL;
	-}
	-
	-void
	-mongoc_topology_scanner_destroy (mongoc_topology_scanner_t *ts)
	-{
	- mongoc_topology_scanner_node_t ele, tmp;
	-
	- DL_FOREACH_SAFE (ts->nodes, ele, tmp)
	- {
	- mongoc_topology_scanner_node_destroy (ele, false);
	- }
	-
	- mongoc_async_destroy (ts->async);
	- bson_destroy (&ts->hello_cmd);
	- bson_destroy (&ts->legacy_hello_cmd);
	- bson_destroy (ts->handshake_cmd);
	- bson_destroy (&ts->cluster_time);
	- mongoc_server_api_destroy (ts->api);
	- bson_mutex_destroy (&ts->handshake_cmd_mtx);
	-
	- /* This field can be set by a mongoc_client */
	- bson_free ((char *) ts->appname);
	-
	- bson_free (ts);
	-}
	-
	-/* whether the scanner was successfully initialized - false if a mongodb+srv
	- * URI failed to resolve to any hosts */
	-bool
	-mongoc_topology_scanner_valid (mongoc_topology_scanner_t *ts)
	-{
	- return ts->nodes != NULL;
	-}
	-
	-void
	-mongoc_topology_scanner_add (mongoc_topology_scanner_t *ts,
	- const mongoc_host_list_t *host,
	- uint32_t id,
	- bool hello_ok)
	-{
	- mongoc_topology_scanner_node_t *node;
	-
	- node = (mongoc_topology_scanner_node_t ) bson_malloc0 (sizeof (node));
	-
	- memcpy (&node->host, host, sizeof (*host));
	-
	- node->id = id;
	- node->ts = ts;
	- node->last_failed = -1;
	- node->last_used = -1;
	- node->hello_ok = hello_ok;
	- bson_init (&node->speculative_auth_response);
	-
	- DL_APPEND (ts->nodes, node);
	-}
	-
	-void
	-mongoc_topology_scanner_scan (mongoc_topology_scanner_t *ts, uint32_t id)
	-{
	- mongoc_topology_scanner_node_t *node;
	-
	- node = mongoc_topology_scanner_get_node (ts, id);
	-
	- /* begin non-blocking connection, don't wait for success */
	- if (node) {
	- mongoc_topology_scanner_node_setup (node, &node->last_error);
	- }
	-
	- /* if setup fails the node stays in the scanner. destroyed after the scan. */
	-}
	-
	-void
	-mongoc_topology_scanner_disconnect (mongoc_topology_scanner_t *scanner)
	-{
	- mongoc_topology_scanner_node_t *node;
	-
	- BSON_ASSERT (scanner);
	- node = scanner->nodes;
	-
	- while (node) {
	- mongoc_topology_scanner_node_disconnect (node, false);
	- node = node->next;
	- }
	-}
	-
	-void
	-mongoc_topology_scanner_node_retire (mongoc_topology_scanner_node_t *node)
	-{
	- /* cancel any pending commands. */
	- _cancel_commands_excluding (node, NULL);
	-
	- node->retired = true;
	-}
	-
	-void
	-mongoc_topology_scanner_node_disconnect (mongoc_topology_scanner_node_t *node,
	- bool failed)
	-{
	- /* the node may or may not have succeeded in finding a working stream. */
	- if (node->stream) {
	- if (failed) {
	- mongoc_stream_failed (node->stream);
	- } else {
	- mongoc_stream_destroy (node->stream);
	- }
	-
	- node->stream = NULL;
	- memset (
	- &node->sasl_supported_mechs, 0, sizeof (node->sasl_supported_mechs));
	- node->negotiated_sasl_supported_mechs = false;
	- bson_reinit (&node->speculative_auth_response);
	- }
	- mongoc_server_description_destroy (node->handshake_sd);
	- node->handshake_sd = NULL;
	-}
	-
	-void
	-mongoc_topology_scanner_node_destroy (mongoc_topology_scanner_node_t *node,
	- bool failed)
	-{
	- DL_DELETE (node->ts->nodes, node);
	- mongoc_topology_scanner_node_disconnect (node, failed);
	- if (node->dns_results) {
	- freeaddrinfo (node->dns_results);
	- }
	-
	- bson_destroy (&node->speculative_auth_response);
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	- _mongoc_scram_destroy (&node->scram);
	-#endif
	-
	- bson_free (node);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_get_node --
	- *
	- * Return the scanner node with the given id.
	- *
	- *--------------------------------------------------------------------------
	- */
	-mongoc_topology_scanner_node_t *
	-mongoc_topology_scanner_get_node (mongoc_topology_scanner_t *ts, uint32_t id)
	-{
	- mongoc_topology_scanner_node_t ele, tmp;
	-
	- DL_FOREACH_SAFE (ts->nodes, ele, tmp)
	- {
	- if (ele->id == id) {
	- return ele;
	- }
	-
	- if (ele->id > id) {
	- break;
	- }
	- }
	-
	- return NULL;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_has_node_for_host --
	- *
	- * Whether the scanner has a node for the given host and port.
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_scanner_has_node_for_host (mongoc_topology_scanner_t *ts,
	- mongoc_host_list_t *host)
	-{
	- mongoc_topology_scanner_node_t ele, tmp;
	-
	- DL_FOREACH_SAFE (ts->nodes, ele, tmp)
	- {
	- if (_mongoc_host_list_compare_one (&ele->host, host)) {
	- return true;
	- }
	- }
	-
	- return false;
	-}
	-
	-static void
	-_async_connected (mongoc_async_cmd_t *acmd)
	-{
	- mongoc_topology_scanner_node_t *node =
	- (mongoc_topology_scanner_node_t *) acmd->data;
	- /* this cmd connected successfully, cancel other cmds on this node. */
	- _cancel_commands_excluding (node, acmd);
	- node->successful_dns_result = acmd->dns_result;
	-}
	-
	-static void
	-_async_success (mongoc_async_cmd_t *acmd,
	- const bson_t *hello_response,
	- int64_t duration_usec)
	-{
	- void *data = acmd->data;
	- mongoc_topology_scanner_node_t *node =
	- (mongoc_topology_scanner_node_t *) data;
	- mongoc_stream_t *stream = acmd->stream;
	- mongoc_topology_scanner_t *ts = node->ts;
	-
	- if (node->retired) {
	- if (stream) {
	- mongoc_stream_failed (stream);
	- }
	- return;
	- }
	-
	- node->last_used = bson_get_monotonic_time ();
	- node->last_failed = -1;
	-
	- _mongoc_topology_scanner_monitor_heartbeat_succeeded (
	- ts, &node->host, hello_response, duration_usec);
	-
	- /* set our successful stream. */
	- BSON_ASSERT (!node->stream);
	- node->stream = stream;
	-
	- if (!node->handshake_sd) {
	- mongoc_server_description_t sd;
	-
	- /* Store a server description associated with the handshake. */
	- mongoc_server_description_init (&sd, node->host.host_and_port, node->id);
	- mongoc_server_description_handle_hello (
	- &sd, hello_response, duration_usec / 1000, &acmd->error);
	- node->handshake_sd = mongoc_server_description_new_copy (&sd);
	- mongoc_server_description_cleanup (&sd);
	- }
	-
	- if (ts->negotiate_sasl_supported_mechs &&
	- !node->negotiated_sasl_supported_mechs) {
	- _mongoc_handshake_parse_sasl_supported_mechs (
	- hello_response, &node->sasl_supported_mechs);
	- }
	-
	- if (ts->speculative_authentication) {
	- _mongoc_topology_scanner_parse_speculative_authentication (
	- hello_response, &node->speculative_auth_response);
	- }
	-
	- /* mongoc_topology_scanner_cb_t takes rtt_msec, not usec */
	- ts->cb (node->id,
	- hello_response,
	- duration_usec / 1000,
	- ts->cb_data,
	- &acmd->error);
	-}
	-
	-static void
	-_async_error_or_timeout (mongoc_async_cmd_t *acmd,
	- int64_t duration_usec,
	- const char *default_err_msg)
	-{
	- void *data = acmd->data;
	- mongoc_topology_scanner_node_t *node =
	- (mongoc_topology_scanner_node_t *) data;
	- mongoc_stream_t *stream = acmd->stream;
	- mongoc_topology_scanner_t *ts = node->ts;
	- bson_error_t *error = &acmd->error;
	- int64_t now = bson_get_monotonic_time ();
	- const char *message;
	-
	- /* the stream may have failed on initiation. */
	- if (stream) {
	- mongoc_stream_failed (stream);
	- }
	-
	- if (node->retired) {
	- return;
	- }
	-
	- node->last_used = now;
	-
	- if (!node->stream && _count_acmds (node) == 1) {
	- /* there are no remaining streams, connecting has failed. */
	- node->last_failed = now;
	- if (error->code) {
	- message = error->message;
	- } else {
	- message = default_err_msg;
	- }
	-
	- /* invalidate any cached DNS results. */
	- if (node->dns_results) {
	- freeaddrinfo (node->dns_results);
	- node->dns_results = NULL;
	- node->successful_dns_result = NULL;
	- }
	-
	- bson_set_error (&node->last_error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "%s calling hello on \'%s\'",
	- message,
	- node->host.host_and_port);
	-
	- _mongoc_topology_scanner_monitor_heartbeat_failed (
	- ts, &node->host, &node->last_error, duration_usec);
	-
	- /* call the topology scanner callback. cannot connect to this node.
	- * callback takes rtt_msec, not usec. */
	- ts->cb (node->id, NULL, duration_usec / 1000, ts->cb_data, error);
	-
	- mongoc_server_description_destroy (node->handshake_sd);
	- node->handshake_sd = NULL;
	- } else {
	- /* there are still more commands left for this node or it succeeded
	- * with another stream. skip the topology scanner callback. */
	- _jumpstart_other_acmds (node, acmd);
	- }
	-}
	-
	-/*
	- *-----------------------------------------------------------------------
	- *
	- * This is the callback passed to async_cmd when we're running
	- * hellos from within the topology monitor.
	- *
	- *-----------------------------------------------------------------------
	- */
	-
	-static void
	-_async_handler (mongoc_async_cmd_t *acmd,
	- mongoc_async_cmd_result_t async_status,
	- const bson_t *hello_response,
	- int64_t duration_usec)
	-{
	- BSON_ASSERT (acmd->data);
	-
	- switch (async_status) {
	- case MONGOC_ASYNC_CMD_CONNECTED:
	- _async_connected (acmd);
	- return;
	- case MONGOC_ASYNC_CMD_SUCCESS:
	- _async_success (acmd, hello_response, duration_usec);
	- return;
	- case MONGOC_ASYNC_CMD_TIMEOUT:
	- _async_error_or_timeout (acmd, duration_usec, "connection timeout");
	- return;
	- case MONGOC_ASYNC_CMD_ERROR:
	- _async_error_or_timeout (acmd, duration_usec, "connection error");
	- return;
	- case MONGOC_ASYNC_CMD_IN_PROGRESS:
	- default:
	- fprintf (stderr, "unexpected async status: %d\n", async_status);
	- BSON_ASSERT (false);
	- return;
	- }
	-}
	-
	-mongoc_stream_t *
	-_mongoc_topology_scanner_node_setup_stream_for_tls (
	- mongoc_topology_scanner_node_t node, mongoc_stream_t stream)
	-{
	-#ifdef MONGOC_ENABLE_SSL
	- mongoc_stream_t *tls_stream;
	-#endif
	- if (!stream) {
	- return NULL;
	- }
	-#ifdef MONGOC_ENABLE_SSL
	- if (node->ts->ssl_opts) {
	- tls_stream = mongoc_stream_tls_new_with_hostname (
	- stream, node->host.host, node->ts->ssl_opts, 1);
	- if (!tls_stream) {
	- mongoc_stream_destroy (stream);
	- return NULL;
	- } else {
	- return tls_stream;
	- }
	- }
	-#endif
	- return stream;
	-}
	-
	-/* attempt to create a new socket stream using this dns result. */
	-mongoc_stream_t *
	-_mongoc_topology_scanner_tcp_initiate (mongoc_async_cmd_t *acmd)
	-{
	- mongoc_topology_scanner_node_t *node =
	- (mongoc_topology_scanner_node_t *) acmd->data;
	- struct addrinfo *res = acmd->dns_result;
	- mongoc_socket_t *sock = NULL;
	-
	- BSON_ASSERT (acmd->dns_result);
	- /* create a new non-blocking socket. */
	- if (!(sock = mongoc_socket_new (
	- res->ai_family, res->ai_socktype, res->ai_protocol))) {
	- return NULL;
	- }
	-
	- (void) mongoc_socket_connect (
	- sock, res->ai_addr, (mongoc_socklen_t) res->ai_addrlen, 0);
	-
	- return _mongoc_topology_scanner_node_setup_stream_for_tls (
	- node, mongoc_stream_socket_new (sock));
	-}
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_node_setup_tcp --
	- *
	- * Create an async command for each DNS record found for this node.
	- *
	- * Returns:
	- * A bool. On failure error is set.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_topology_scanner_node_setup_tcp (mongoc_topology_scanner_node_t *node,
	- bson_error_t *error)
	-{
	- struct addrinfo hints;
	- struct addrinfo *iter;
	- char portstr[8];
	- mongoc_host_list_t *host;
	- int s;
	- int64_t delay = 0;
	- int64_t now = bson_get_monotonic_time ();
	-
	- ENTRY;
	-
	- host = &node->host;
	-
	- /* if cached dns results are expired, flush. */
	- if (node->dns_results &&
	- (now - node->last_dns_cache) > node->ts->dns_cache_timeout_ms * 1000) {
	- freeaddrinfo (node->dns_results);
	- node->dns_results = NULL;
	- node->successful_dns_result = NULL;
	- }
	-
	- if (!node->dns_results) {
	- bson_snprintf (portstr, sizeof portstr, "%hu", host->port);
	-
	- memset (&hints, 0, sizeof hints);
	- hints.ai_family = host->family;
	- hints.ai_socktype = SOCK_STREAM;
	- hints.ai_flags = 0;
	- hints.ai_protocol = 0;
	-
	- s = getaddrinfo (host->host, portstr, &hints, &node->dns_results);
	-
	- if (s != 0) {
	- mongoc_counter_dns_failure_inc ();
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	- "Failed to resolve '%s'",
	- host->host);
	- RETURN (false);
	- }
	-
	- mongoc_counter_dns_success_inc ();
	- node->last_dns_cache = now;
	- }
	-
	- if (node->successful_dns_result) {
	- _begin_hello_cmd (node, NULL, false, node->successful_dns_result, 0);
	- } else {
	- LL_FOREACH2 (node->dns_results, iter, ai_next)
	- {
	- _begin_hello_cmd (node, NULL, false, iter, delay);
	- /* each subsequent DNS result will have an additional 250ms delay. */
	- delay += HAPPY_EYEBALLS_DELAY_MS;
	- }
	- }
	-
	- RETURN (true);
	-}
	-
	-bool
	-mongoc_topology_scanner_node_connect_unix (mongoc_topology_scanner_node_t *node,
	- bson_error_t *error)
	-{
	-#ifdef _WIN32
	- ENTRY;
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "UNIX domain sockets not supported on win32.");
	- RETURN (false);
	-#else
	- struct sockaddr_un saddr;
	- mongoc_socket_t *sock;
	- mongoc_stream_t *stream;
	- mongoc_host_list_t *host;
	-
	- ENTRY;
	-
	- host = &node->host;
	-
	- memset (&saddr, 0, sizeof saddr);
	- saddr.sun_family = AF_UNIX;
	- bson_snprintf (saddr.sun_path, sizeof saddr.sun_path - 1, "%s", host->host);
	-
	- sock = mongoc_socket_new (AF_UNIX, SOCK_STREAM, 0);
	-
	- if (sock == NULL) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_SOCKET,
	- "Failed to create socket.");
	- RETURN (false);
	- }
	-
	- if (-1 == mongoc_socket_connect (
	- sock, (struct sockaddr *) &saddr, sizeof saddr, -1)) {
	- char buf[128];
	- char *errstr;
	-
	- errstr = bson_strerror_r (mongoc_socket_errno (sock), buf, sizeof (buf));
	-
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "Failed to connect to UNIX domain socket: %s",
	- errstr);
	- mongoc_socket_destroy (sock);
	- RETURN (false);
	- }
	-
	- stream = _mongoc_topology_scanner_node_setup_stream_for_tls (
	- node, mongoc_stream_socket_new (sock));
	- if (stream) {
	- _begin_hello_cmd (node,
	- stream,
	- false /* is_setup_done */,
	- NULL /* dns result */,
	- 0 /* delay */);
	- RETURN (true);
	- }
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_CONNECT,
	- "Failed to create TLS stream");
	- RETURN (false);
	-#endif
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_node_setup --
	- *
	- * Create a stream and begin a non-blocking connect.
	- *
	- * Returns:
	- * true on success, or false and error is set.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_scanner_node_setup (mongoc_topology_scanner_node_t *node,
	- bson_error_t *error)
	-{
	- bool success = false;
	- mongoc_stream_t *stream;
	- int64_t start;
	-
	- _mongoc_topology_scanner_monitor_heartbeat_started (node->ts, &node->host);
	- start = bson_get_monotonic_time ();
	-
	- /* if there is already a working stream, push it back to be re-scanned. */
	- if (node->stream) {
	- _begin_hello_cmd (node, node->stream, true /* is_setup_done */, NULL, 0);
	- node->stream = NULL;
	- return;
	- }
	-
	- BSON_ASSERT (!node->retired);
	-
	- if (node->ts->initiator) {
	- stream = node->ts->initiator (
	- node->ts->uri, &node->host, node->ts->initiator_context, error);
	- if (stream) {
	- success = true;
	- _begin_hello_cmd (node, stream, false, NULL, 0);
	- }
	- } else {
	- if (node->host.family == AF_UNIX) {
	- success = mongoc_topology_scanner_node_connect_unix (node, error);
	- } else {
	- success = mongoc_topology_scanner_node_setup_tcp (node, error);
	- }
	- }
	-
	- if (!success) {
	- _mongoc_topology_scanner_monitor_heartbeat_failed (
	- node->ts,
	- &node->host,
	- error,
	- (bson_get_monotonic_time () - start) / 1000);
	-
	- node->ts->setup_err_cb (node->id, node->ts->cb_data, error);
	- return;
	- }
	-
	- node->has_auth = false;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_node_in_cooldown --
	- *
	- * Return true if @node has experienced a network error attempting
	- * to call "hello" less than 5 seconds before @when, a timestamp in
	- * microseconds.
	- *
	- * Server Discovery and Monitoring Spec: "After a single-threaded client
	- * gets a network error trying to check a server, the client skips
	- * re-checking the server until cooldownMS has passed. This avoids
	- * spending connectTimeoutMS on each unavailable server during each scan.
	- * This value MUST be 5000 ms, and it MUST NOT be configurable."
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_scanner_node_in_cooldown (mongoc_topology_scanner_node_t *node,
	- int64_t when)
	-{
	- if (node->last_failed == -1 \|\| node->ts->bypass_cooldown) {
	- return false; /* node is new, or connected */
	- }
	-
	- return node->last_failed + 1000 * MONGOC_TOPOLOGY_COOLDOWN_MS >= when;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_in_cooldown --
	- *
	- * Return true if all nodes will be in cooldown at time @when, a
	- * timestamp in microseconds.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_topology_scanner_in_cooldown (mongoc_topology_scanner_t *ts,
	- int64_t when)
	-{
	- mongoc_topology_scanner_node_t *node;
	-
	- if (ts->bypass_cooldown) {
	- return false;
	- }
	- DL_FOREACH (ts->nodes, node)
	- {
	- if (!mongoc_topology_scanner_node_in_cooldown (node, when)) {
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_start --
	- *
	- * Initializes the scanner and begins a full topology check. This
	- * should be called once before calling mongoc_topology_scanner_work()
	- * to complete the scan.
	- *
	- * If "obey_cooldown" is true, this is a single-threaded blocking scan
	- * that must obey the Server Discovery And Monitoring Spec's cooldownMS:
	- *
	- * "After a single-threaded client gets a network error trying to check
	- * a server, the client skips re-checking the server until cooldownMS has
	- * passed.
	- *
	- * "This avoids spending connectTimeoutMS on each unavailable server
	- * during each scan.
	- *
	- * "This value MUST be 5000 ms, and it MUST NOT be configurable."
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_scanner_start (mongoc_topology_scanner_t *ts,
	- bool obey_cooldown)
	-{
	- mongoc_topology_scanner_node_t node, tmp;
	- bool skip;
	- int64_t now;
	-
	- BSON_ASSERT (ts);
	-
	- _delete_retired_nodes (ts);
	-
	- now = bson_get_monotonic_time ();
	-
	- DL_FOREACH_SAFE (ts->nodes, node, tmp)
	- {
	- skip =
	- obey_cooldown && mongoc_topology_scanner_node_in_cooldown (node, now);
	-
	- if (!skip) {
	- mongoc_topology_scanner_node_setup (node, &node->last_error);
	- }
	- }
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_finish_scan --
	- *
	- * Summarizes all scanner node errors into one error message,
	- * deletes retired nodes.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_topology_scanner_finish (mongoc_topology_scanner_t *ts)
	-{
	- mongoc_topology_scanner_node_t node, tmp;
	- bson_error_t *error = &ts->error;
	- bson_string_t *msg;
	-
	- memset (&ts->error, 0, sizeof (bson_error_t));
	-
	- msg = bson_string_new (NULL);
	-
	- DL_FOREACH_SAFE (ts->nodes, node, tmp)
	- {
	- if (node->last_error.code) {
	- if (msg->len) {
	- bson_string_append_c (msg, ' ');
	- }
	-
	- bson_string_append_printf (msg, "[%s]", node->last_error.message);
	-
	- /* last error domain and code win */
	- error->domain = node->last_error.domain;
	- error->code = node->last_error.code;
	- }
	- }
	-
	- bson_strncpy ((char *) &error->message, msg->str, sizeof (error->message));
	- bson_string_free (msg, true);
	-
	- _delete_retired_nodes (ts);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_work --
	- *
	- * Crank the knob on the topology scanner state machine. This should
	- * be called only after mongoc_topology_scanner_start() has been used
	- * to begin the scan.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_scanner_work (mongoc_topology_scanner_t *ts)
	-{
	- mongoc_async_run (ts->async);
	- BSON_ASSERT (ts->async->ncmds == 0);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scanner_get_error --
	- *
	- * Copy the scanner's current error; which may no-error (code 0).
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-mongoc_topology_scanner_get_error (mongoc_topology_scanner_t *ts,
	- bson_error_t *error)
	-{
	- BSON_ASSERT (ts);
	- BSON_ASSERT (error);
	-
	- memcpy (error, &ts->error, sizeof (bson_error_t));
	-}
	-
	-/*
	- * Set a field in the topology scanner.
	- */
	-bool
	-_mongoc_topology_scanner_set_appname (mongoc_topology_scanner_t *ts,
	- const char *appname)
	-{
	- char *s;
	- const char *prev;
	- if (!_mongoc_handshake_appname_is_valid (appname)) {
	- MONGOC_ERROR ("Cannot set appname: %s is invalid", appname);
	- return false;
	- }
	-
	- s = bson_strdup (appname);
	- prev = bson_atomic_ptr_compare_exchange_strong (
	- (void *) &ts->appname, NULL, s, bson_memory_order_relaxed);
	- if (prev == NULL) {
	- return true;
	- }
	-
	- MONGOC_ERROR ("Cannot set appname more than once");
	- bson_free (s);
	- return false;
	-}
	-
	-/*
	- * Set the scanner's clusterTime unconditionally: don't compare with prior
	- * @cluster_time is like {clusterTime: <timestamp>}
	- */
	-void
	-_mongoc_topology_scanner_set_cluster_time (mongoc_topology_scanner_t *ts,
	- const bson_t *cluster_time)
	-{
	- bson_destroy (&ts->cluster_time);
	- bson_copy_to (cluster_time, &ts->cluster_time);
	-}
	-
	-/* SDAM Monitoring Spec: send HeartbeatStartedEvent */
	-static void
	-_mongoc_topology_scanner_monitor_heartbeat_started (
	- const mongoc_topology_scanner_t ts, const mongoc_host_list_t host)
	-{
	- if (ts->apm_callbacks.server_heartbeat_started) {
	- mongoc_apm_server_heartbeat_started_t event;
	- event.host = host;
	- event.context = ts->apm_context;
	- event.awaited = false;
	- ts->apm_callbacks.server_heartbeat_started (&event);
	- }
	-}
	-
	-/* SDAM Monitoring Spec: send HeartbeatSucceededEvent */
	-static void
	-_mongoc_topology_scanner_monitor_heartbeat_succeeded (
	- const mongoc_topology_scanner_t *ts,
	- const mongoc_host_list_t *host,
	- const bson_t *reply,
	- int64_t duration_usec)
	-{
	- if (ts->apm_callbacks.server_heartbeat_succeeded) {
	- mongoc_apm_server_heartbeat_succeeded_t event;
	- bson_t hello_redacted;
	-
	- bson_init (&hello_redacted);
	- bson_copy_to_excluding_noinit (
	- reply, &hello_redacted, "speculativeAuthenticate", NULL);
	-
	- event.host = host;
	- event.context = ts->apm_context;
	- event.reply = reply;
	- event.duration_usec = duration_usec;
	- event.awaited = false;
	- ts->apm_callbacks.server_heartbeat_succeeded (&event);
	-
	- bson_destroy (&hello_redacted);
	- }
	-}
	-
	-/* SDAM Monitoring Spec: send HeartbeatFailedEvent */
	-static void
	-_mongoc_topology_scanner_monitor_heartbeat_failed (
	- const mongoc_topology_scanner_t *ts,
	- const mongoc_host_list_t *host,
	- const bson_error_t *error,
	- int64_t duration_usec)
	-{
	- if (ts->apm_callbacks.server_heartbeat_failed) {
	- mongoc_apm_server_heartbeat_failed_t event;
	- event.host = host;
	- event.context = ts->apm_context;
	- event.error = error;
	- event.duration_usec = duration_usec;
	- event.awaited = false;
	- ts->apm_callbacks.server_heartbeat_failed (&event);
	- }
	-}
	-
	-/* this is for testing the dns cache timeout. */
	-void
	-_mongoc_topology_scanner_set_dns_cache_timeout (mongoc_topology_scanner_t *ts,
	- int64_t timeout_ms)
	-{
	- ts->dns_cache_timeout_ms = timeout_ms;
	-}
	-
	-/* reset "retired" nodes that failed or were removed in the previous scan */
	-static void
	-_delete_retired_nodes (mongoc_topology_scanner_t *ts)
	-{
	- mongoc_topology_scanner_node_t node, tmp;
	-
	- DL_FOREACH_SAFE (ts->nodes, node, tmp)
	- {
	- if (node->retired) {
	- mongoc_topology_scanner_node_destroy (node, true);
	- }
	- }
	-}
	-
	-static void
	-_cancel_commands_excluding (mongoc_topology_scanner_node_t *node,
	- mongoc_async_cmd_t *acmd)
	-{
	- mongoc_async_cmd_t *iter;
	- DL_FOREACH (node->ts->async->cmds, iter)
	- {
	- if ((mongoc_topology_scanner_node_t *) iter->data == node &&
	- iter != acmd) {
	- iter->state = MONGOC_ASYNC_CMD_CANCELED_STATE;
	- }
	- }
	-}
	-
	-static int
	-_count_acmds (mongoc_topology_scanner_node_t *node)
	-{
	- mongoc_async_cmd_t *iter;
	- int count = 0;
	- DL_FOREACH (node->ts->async->cmds, iter)
	- {
	- if ((mongoc_topology_scanner_node_t *) iter->data == node) {
	- ++count;
	- }
	- }
	- return count;
	-}
	-
	-static void
	-_jumpstart_other_acmds (mongoc_topology_scanner_node_t *node,
	- mongoc_async_cmd_t *acmd)
	-{
	- mongoc_async_cmd_t *iter;
	- DL_FOREACH (node->ts->async->cmds, iter)
	- {
	- if ((mongoc_topology_scanner_node_t *) iter->data == node &&
	- iter != acmd && acmd->initiate_delay_ms < iter->initiate_delay_ms) {
	- iter->initiate_delay_ms =
	- BSON_MAX (iter->initiate_delay_ms - HAPPY_EYEBALLS_DELAY_MS, 0);
	- }
	- }
	-}
	-
	-void
	-_mongoc_topology_scanner_set_server_api (mongoc_topology_scanner_t *ts,
	- const mongoc_server_api_t *api)
	-{
	- BSON_ASSERT (ts);
	- BSON_ASSERT (api);
	-
	- mongoc_server_api_destroy (ts->api);
	- ts->api = mongoc_server_api_copy (api);
	- _reset_hello (ts);
	-}
	-
	-/* This must be called before the handshake command is constructed. */
	-void
	-_mongoc_topology_scanner_set_loadbalanced (mongoc_topology_scanner_t *ts,
	- bool val)
	-{
	- BSON_ASSERT (ts->handshake_cmd == NULL);
	- ts->loadbalanced = true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology.c
	deleted file mode 100644
	index 0b6e2b73..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology.c
	+++ /dev/null
	@@ -1,1987 +0,0 @@
	-/*
	- * Copyright 2014 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-config.h"
	-
	-#include "mongoc-handshake.h"
	-#include "mongoc-handshake-private.h"
	-
	-#include "mongoc-error.h"
	-#include "mongoc-host-list-private.h"
	-#include "mongoc-log.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-topology-description-apm-private.h"
	-#include "mongoc-client-private.h"
	-#include "mongoc-cmd-private.h"
	-#include "mongoc-uri-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-trace-private.h"
	-#include "mongoc-error-private.h"
	-#include "mongoc-topology-background-monitoring-private.h"
	-#include "mongoc-read-prefs-private.h"
	-
	-#include "utlist.h"
	-
	-static void
	-_topology_collect_errors (const mongoc_topology_description_t *topology,
	- bson_error_t *error_out);
	-
	-static bool
	-_mongoc_topology_reconcile_add_nodes (mongoc_server_description_t *sd,
	- mongoc_topology_scanner_t *scanner)
	-{
	- mongoc_topology_scanner_node_t *node;
	-
	- /* Search by ID and update hello_ok */
	- node = mongoc_topology_scanner_get_node (scanner, sd->id);
	- if (node) {
	- node->hello_ok = sd->hello_ok;
	- } else if (!mongoc_topology_scanner_has_node_for_host (scanner, &sd->host)) {
	- /* A node for this host was retired in this scan. */
	- mongoc_topology_scanner_add (scanner, &sd->host, sd->id, sd->hello_ok);
	- mongoc_topology_scanner_scan (scanner, sd->id);
	- }
	-
	- return true;
	-}
	-
	-/* Called from:
	- * - the topology scanner callback (when a hello was just received)
	- * - at the start of a single-threaded scan (mongoc_topology_scan_once)
	- * Not called for multi threaded monitoring.
	- */
	-void
	-mongoc_topology_reconcile (const mongoc_topology_t *topology,
	- mongoc_topology_description_t *td)
	-{
	- mongoc_set_t *servers;
	- mongoc_server_description_t *sd;
	- int i;
	- mongoc_topology_scanner_node_t ele, tmp;
	-
	- servers = mc_tpld_servers (td);
	- /* Add newly discovered nodes */
	- for (i = 0; i < (int) servers->items_len; i++) {
	- sd = mongoc_set_get_item (servers, i);
	- _mongoc_topology_reconcile_add_nodes (sd, topology->scanner);
	- }
	-
	- /* Remove removed nodes */
	- DL_FOREACH_SAFE (topology->scanner->nodes, ele, tmp)
	- {
	- if (!mongoc_topology_description_server_by_id (td, ele->id, NULL)) {
	- mongoc_topology_scanner_node_retire (ele);
	- }
	- }
	-}
	-
	-
	-/* call this while already holding the lock */
	-static bool
	-_mongoc_topology_update_no_lock (uint32_t id,
	- const bson_t *hello_response,
	- int64_t rtt_msec,
	- mongoc_topology_description_t *td,
	- const bson_error_t error / IN */)
	-{
	- mongoc_topology_description_handle_hello (
	- td, id, hello_response, rtt_msec, error);
	-
	- /* return false if server removed from topology */
	- return mongoc_topology_description_server_by_id (td, id, NULL) != NULL;
	-}
	-
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * _mongoc_topology_scanner_setup_err_cb --
	- *
	- * Callback method to handle errors during topology scanner node
	- * setup, typically DNS or SSL errors.
	- *
	- *-------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_topology_scanner_setup_err_cb (uint32_t id,
	- void *data,
	- const bson_error_t error / IN */)
	-{
	- mongoc_topology_t *topology = BSON_ASSERT_PTR_INLINE (data);
	-
	- if (_mongoc_topology_get_type (topology) == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- /* In load balanced mode, scanning is only for connection establishment.
	- * It must not modify the topology description. */
	- } else {
	- /* We need to update the topology description */
	- mc_tpld_modification mod = mc_tpld_modify_begin (topology);
	- mongoc_topology_description_handle_hello (
	- mod.new_td, id, NULL /* hello reply /, -1 / rtt_msec */, error);
	- mc_tpld_modify_commit (mod);
	- }
	-}
	-
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * _mongoc_topology_scanner_cb --
	- *
	- * Callback method to handle hello responses received by async
	- * command objects.
	- *
	- * Only called for single-threaded monitoring.
	- *
	- *-------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_topology_scanner_cb (uint32_t id,
	- const bson_t *hello_response,
	- int64_t rtt_msec,
	- void *data,
	- const bson_error_t error / IN */)
	-{
	- mongoc_topology_t *const topology = BSON_ASSERT_PTR_INLINE (data);
	- mongoc_server_description_t *sd;
	- mc_tpld_modification tdmod;
	-
	- if (_mongoc_topology_get_type (topology) == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- /* In load balanced mode, scanning is only for connection establishment.
	- * It must not modify the topology description. */
	- return;
	- }
	-
	- tdmod = mc_tpld_modify_begin (topology);
	-
	- sd = mongoc_topology_description_server_by_id (tdmod.new_td, id, NULL);
	-
	- if (!hello_response) {
	- /* Server monitoring: When a server check fails due to a network error
	- * (including a network timeout), the client MUST clear its connection
	- * pool for the server */
	- _mongoc_topology_description_clear_connection_pool (
	- tdmod.new_td, id, &kZeroServiceId);
	- }
	-
	- /* Server Discovery and Monitoring Spec: "Once a server is connected, the
	- * client MUST change its type to Unknown only after it has retried the
	- * server once." */
	- if (!hello_response && sd && sd->type != MONGOC_SERVER_UNKNOWN) {
	- _mongoc_topology_update_no_lock (
	- id, hello_response, rtt_msec, tdmod.new_td, error);
	-
	- /* add another hello call to the current scan - the scan continues
	- * until all commands are done */
	- mongoc_topology_scanner_scan (topology->scanner, sd->id);
	- } else {
	- _mongoc_topology_update_no_lock (
	- id, hello_response, rtt_msec, tdmod.new_td, error);
	-
	- /* The processing of the hello results above may have added, changed, or
	- * removed server descriptions. We need to reconcile that with our
	- * monitoring agents
	- */
	- mongoc_topology_reconcile (topology, tdmod.new_td);
	-
	- mongoc_cond_broadcast (&topology->cond_client);
	- }
	-
	-
	- mc_tpld_modify_commit (tdmod);
	-}
	-
	-static void
	-_server_session_init (mongoc_server_session_t *session,
	- mongoc_topology_t *unused,
	- bson_error_t *error)
	-{
	- _mongoc_server_session_init (session, error);
	-}
	-
	-static void
	-_server_session_destroy (mongoc_server_session_t *session,
	- mongoc_topology_t *unused)
	-{
	- _mongoc_server_session_destroy (session);
	-}
	-
	-static int
	-_server_session_should_prune (mongoc_server_session_t *session,
	- mongoc_topology_t *topo)
	-{
	- bool is_loadbalanced;
	- int timeout;
	- mc_shared_tpld td;
	-
	- BSON_ASSERT_PARAM (session);
	- BSON_ASSERT_PARAM (topo);
	-
	- /** If "dirty" (i.e. contains a network error), it should be dropped */
	- if (session->dirty) {
	- return true;
	- }
	-
	- /** If the session has never been used, it should be dropped */
	- if (session->last_used_usec == SESSION_NEVER_USED) {
	- return true;
	- }
	-
	- /* Check for a timeout */
	- td = mc_tpld_take_ref (topo);
	- timeout = td.ptr->session_timeout_minutes;
	- is_loadbalanced = td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED;
	- mc_tpld_drop_ref (&td);
	-
	- /** Load balanced topology sessions never expire */
	- if (is_loadbalanced) {
	- return false;
	- }
	-
	- /* Prune the session if it has hit a timeout */
	- return _mongoc_server_session_timed_out (session, timeout);
	-}
	-
	-static void
	-_tpld_destroy_and_free (void *tpl_descr)
	-{
	- mongoc_topology_description_t *td = tpl_descr;
	- mongoc_topology_description_destroy (td);
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_new --
	- *
	- * Creates and returns a new topology object.
	- *
	- * Returns:
	- * A new topology object.
	- *
	- * Side effects:
	- * None.
	- *
	- *-------------------------------------------------------------------------
	- */
	-mongoc_topology_t *
	-mongoc_topology_new (const mongoc_uri_t *uri, bool single_threaded)
	-{
	- int64_t heartbeat_default;
	- int64_t heartbeat;
	- mongoc_topology_t *topology;
	- mongoc_topology_description_type_t init_type;
	- const char *service;
	- char *prefixed_service;
	- uint32_t id;
	- const mongoc_host_list_t *hl;
	- mongoc_rr_data_t rr_data;
	- bool has_directconnection;
	- bool directconnection;
	-
	- BSON_ASSERT (uri);
	-
	-#ifndef MONGOC_ENABLE_CRYPTO
	- if (mongoc_uri_get_option_as_bool (
	- uri, MONGOC_URI_RETRYWRITES, MONGOC_DEFAULT_RETRYWRITES)) {
	- /* retryWrites requires sessions, which require crypto - just warn */
	- MONGOC_WARNING (
	- "retryWrites not supported without an SSL crypto library");
	- }
	-#endif
	-
	- topology = (mongoc_topology_t ) bson_malloc0 (sizeof topology);
	- topology->session_pool =
	- mongoc_server_session_pool_new_with_params (_server_session_init,
	- _server_session_destroy,
	- _server_session_should_prune,
	- topology);
	-
	- topology->valid = false;
	- heartbeat_default =
	- single_threaded ? MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_SINGLE_THREADED
	- : MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_MULTI_THREADED;
	-
	- heartbeat = mongoc_uri_get_option_as_int32 (
	- uri, MONGOC_URI_HEARTBEATFREQUENCYMS, heartbeat_default);
	-
	- topology->_shared_descr_._sptr_ = mongoc_shared_ptr_create (
	- bson_malloc0 (sizeof (mongoc_topology_description_t)),
	- _tpld_destroy_and_free);
	- mongoc_topology_description_init (mc_tpld_unsafe_get_mutable (topology),
	- heartbeat);
	-
	- mc_tpld_unsafe_get_mutable (topology)->set_name =
	- bson_strdup (mongoc_uri_get_replica_set (uri));
	-
	- topology->uri = mongoc_uri_copy (uri);
	- topology->cse_state = MONGOC_CSE_DISABLED;
	- topology->single_threaded = single_threaded;
	- if (single_threaded) {
	- /* Server Selection Spec:
	- *
	- * "Single-threaded drivers MUST provide a "serverSelectionTryOnce"
	- * mode, in which the driver scans the topology exactly once after
	- * server selection fails, then either selects a server or raises an
	- * error.
	- *
	- * "The serverSelectionTryOnce option MUST be true by default."
	- */
	- topology->server_selection_try_once = mongoc_uri_get_option_as_bool (
	- uri, MONGOC_URI_SERVERSELECTIONTRYONCE, true);
	- } else {
	- topology->server_selection_try_once = false;
	- }
	-
	- topology->server_selection_timeout_msec = mongoc_uri_get_option_as_int32 (
	- topology->uri,
	- MONGOC_URI_SERVERSELECTIONTIMEOUTMS,
	- MONGOC_TOPOLOGY_SERVER_SELECTION_TIMEOUT_MS);
	-
	- /* tests can override this */
	- topology->min_heartbeat_frequency_msec =
	- MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS;
	-
	- topology->local_threshold_msec =
	- mongoc_uri_get_local_threshold_option (topology->uri);
	-
	- /* Total time allowed to check a server is connectTimeoutMS.
	- * Server Discovery And Monitoring Spec:
	- *
	- * "The socket used to check a server MUST use the same connectTimeoutMS as
	- * regular sockets. Multi-threaded clients SHOULD set monitoring sockets'
	- * socketTimeoutMS to the connectTimeoutMS."
	- */
	- topology->connect_timeout_msec =
	- mongoc_uri_get_option_as_int32 (topology->uri,
	- MONGOC_URI_CONNECTTIMEOUTMS,
	- MONGOC_DEFAULT_CONNECTTIMEOUTMS);
	-
	- topology->scanner_state = MONGOC_TOPOLOGY_SCANNER_OFF;
	- topology->scanner =
	- mongoc_topology_scanner_new (topology->uri,
	- _mongoc_topology_scanner_setup_err_cb,
	- _mongoc_topology_scanner_cb,
	- topology,
	- topology->connect_timeout_msec);
	-
	- bson_mutex_init (&topology->tpld_modification_mtx);
	- mongoc_cond_init (&topology->cond_client);
	-
	- if (single_threaded) {
	- /* single threaded drivers attempt speculative authentication during a
	- * topology scan */
	- topology->scanner->speculative_authentication = true;
	-
	- /* single threaded clients negotiate sasl supported mechanisms during
	- * a topology scan. */
	- if (_mongoc_uri_requires_auth_negotiation (uri)) {
	- topology->scanner->negotiate_sasl_supported_mechs = true;
	- }
	- }
	-
	- service = mongoc_uri_get_service (uri);
	- if (service) {
	- memset (&rr_data, 0, sizeof (mongoc_rr_data_t));
	- /* Set the default resource record resolver */
	- topology->rr_resolver = _mongoc_client_get_rr;
	-
	- /* Initialize the last scan time and interval. Even if the initial DNS
	- * lookup fails, SRV polling will still start when background monitoring
	- * starts. */
	- topology->srv_polling_last_scan_ms = bson_get_monotonic_time () / 1000;
	- topology->srv_polling_rescan_interval_ms =
	- MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS;
	-
	- /* a mongodb+srv URI. try SRV lookup, if no error then also try TXT */
	- prefixed_service = bson_strdup_printf ("_mongodb._tcp.%s", service);
	- if (!topology->rr_resolver (prefixed_service,
	- MONGOC_RR_SRV,
	- &rr_data,
	- MONGOC_RR_DEFAULT_BUFFER_SIZE,
	- &topology->scanner->error)) {
	- GOTO (srv_fail);
	- }
	-
	- /* Failure to find TXT records will not return an error (since it is only
	- * for options). But _mongoc_client_get_rr may return an error if
	- * there is more than one TXT record returned. */
	- if (!topology->rr_resolver (service,
	- MONGOC_RR_TXT,
	- &rr_data,
	- MONGOC_RR_DEFAULT_BUFFER_SIZE,
	- &topology->scanner->error)) {
	- GOTO (srv_fail);
	- }
	-
	- /* Use rr_data to update the topology's URI. */
	- if (rr_data.txt_record_opts &&
	- !mongoc_uri_parse_options (topology->uri,
	- rr_data.txt_record_opts,
	- true /* from_dns */,
	- &topology->scanner->error)) {
	- GOTO (srv_fail);
	- }
	-
	- if (!mongoc_uri_init_with_srv_host_list (
	- topology->uri, rr_data.hosts, &topology->scanner->error)) {
	- GOTO (srv_fail);
	- }
	-
	- topology->srv_polling_last_scan_ms = bson_get_monotonic_time () / 1000;
	- /* TODO (CDRIVER-4047) use BSON_MIN */
	- topology->srv_polling_rescan_interval_ms = BSON_MAX (
	- rr_data.min_ttl * 1000, MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS);
	-
	- topology->valid = true;
	- srv_fail:
	- bson_free (rr_data.txt_record_opts);
	- bson_free (prefixed_service);
	- _mongoc_host_list_destroy_all (rr_data.hosts);
	- } else {
	- topology->valid = true;
	- }
	-
	- if (!mongoc_uri_finalize_loadbalanced (topology->uri,
	- &topology->scanner->error)) {
	- topology->valid = false;
	- }
	-
	- /*
	- * Set topology type from URI:
	- * + if directConnection=true
	- * - whether or not we have a replicaSet name, initialize to SINGLE
	- * (directConnect with SRV or multiple hosts triggers a URI parse error)
	- * + if directConnection=false
	- * - if we've got a replicaSet name, initialize to RS_NO_PRIMARY
	- * - otherwise, initialize to UNKNOWN
	- * + if directConnection was not specified in the URI (old behavior)
	- * - if we've got a replicaSet name, initialize to RS_NO_PRIMARY
	- * - otherwise, if the seed list has a single host, initialize to SINGLE
	- * - everything else gets initialized to UNKNOWN
	- */
	- has_directconnection =
	- mongoc_uri_has_option (uri, MONGOC_URI_DIRECTCONNECTION);
	- directconnection =
	- has_directconnection &&
	- mongoc_uri_get_option_as_bool (uri, MONGOC_URI_DIRECTCONNECTION, false);
	- hl = mongoc_uri_get_hosts (topology->uri);
	- /* If loadBalanced is enabled, directConnection is disabled. This was
	- * validated in mongoc_uri_finalize_loadbalanced. */
	- if (mongoc_uri_get_option_as_bool (
	- topology->uri, MONGOC_URI_LOADBALANCED, false)) {
	- init_type = MONGOC_TOPOLOGY_LOAD_BALANCED;
	- if (topology->single_threaded) {
	- /* Cooldown only applies to server monitoring for single-threaded
	- * clients. In load balanced mode, the topology scanner is used to
	- * create connections. The cooldown period does not apply. A network
	- * error to a load balanced connection does not imply subsequent
	- * connection attempts will be to the same server and that a delay
	- * should occur. */
	- _mongoc_topology_bypass_cooldown (topology);
	- }
	- _mongoc_topology_scanner_set_loadbalanced (topology->scanner, true);
	- } else if (service && !has_directconnection) {
	- init_type = MONGOC_TOPOLOGY_UNKNOWN;
	- } else if (has_directconnection) {
	- if (directconnection) {
	- init_type = MONGOC_TOPOLOGY_SINGLE;
	- } else {
	- if (mongoc_uri_get_replica_set (topology->uri)) {
	- init_type = MONGOC_TOPOLOGY_RS_NO_PRIMARY;
	- } else {
	- init_type = MONGOC_TOPOLOGY_UNKNOWN;
	- }
	- }
	- } else if (mongoc_uri_get_replica_set (topology->uri)) {
	- init_type = MONGOC_TOPOLOGY_RS_NO_PRIMARY;
	- } else {
	- if (hl && hl->next) {
	- init_type = MONGOC_TOPOLOGY_UNKNOWN;
	- } else {
	- init_type = MONGOC_TOPOLOGY_SINGLE;
	- }
	- }
	-
	- mc_tpld_unsafe_get_mutable (topology)->type = init_type;
	-
	- if (!topology->single_threaded) {
	- topology->server_monitors = mongoc_set_new (1, NULL, NULL);
	- topology->rtt_monitors = mongoc_set_new (1, NULL, NULL);
	- bson_mutex_init (&topology->apm_mutex);
	- bson_mutex_init (&topology->srv_polling_mtx);
	- mongoc_cond_init (&topology->srv_polling_cond);
	- }
	-
	- if (!topology->valid) {
	- TRACE ("%s", "topology invalid");
	- /* add no nodes */
	- return topology;
	- }
	-
	- while (hl) {
	- mongoc_topology_description_add_server (
	- mc_tpld_unsafe_get_mutable (topology), hl->host_and_port, &id);
	- mongoc_topology_scanner_add (topology->scanner, hl, id, false);
	-
	- hl = hl->next;
	- }
	-
	- return topology;
	-}
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_set_apm_callbacks --
	- *
	- * Set Application Performance Monitoring callbacks.
	- *
	- *-------------------------------------------------------------------------
	- */
	-void
	-mongoc_topology_set_apm_callbacks (mongoc_topology_t *topology,
	- mongoc_topology_description_t *td,
	- mongoc_apm_callbacks_t *callbacks,
	- void *context)
	-{
	- if (callbacks) {
	- memcpy (&td->apm_callbacks, callbacks, sizeof (mongoc_apm_callbacks_t));
	- memcpy (&topology->scanner->apm_callbacks,
	- callbacks,
	- sizeof (mongoc_apm_callbacks_t));
	- } else {
	- memset (&td->apm_callbacks, 0, sizeof (mongoc_apm_callbacks_t));
	- memset (
	- &topology->scanner->apm_callbacks, 0, sizeof (mongoc_apm_callbacks_t));
	- }
	-
	- td->apm_context = context;
	- topology->scanner->apm_context = context;
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_destroy --
	- *
	- * Free the memory associated with this topology object.
	- *
	- * Returns:
	- * None.
	- *
	- * Side effects:
	- * @topology will be cleaned up.
	- *
	- *-------------------------------------------------------------------------
	- */
	-void
	-mongoc_topology_destroy (mongoc_topology_t *topology)
	-{
	- if (!topology) {
	- return;
	- }
	-
	-#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	- bson_free (topology->keyvault_db);
	- bson_free (topology->keyvault_coll);
	- mongoc_client_destroy (topology->mongocryptd_client);
	- mongoc_client_pool_destroy (topology->mongocryptd_client_pool);
	- _mongoc_crypt_destroy (topology->crypt);
	- bson_destroy (topology->mongocryptd_spawn_args);
	- bson_free (topology->mongocryptd_spawn_path);
	-#endif
	-
	- if (!topology->single_threaded) {
	- _mongoc_topology_background_monitoring_stop (topology);
	- BSON_ASSERT (topology->scanner_state == MONGOC_TOPOLOGY_SCANNER_OFF);
	- mongoc_set_destroy (topology->server_monitors);
	- mongoc_set_destroy (topology->rtt_monitors);
	- bson_mutex_destroy (&topology->apm_mutex);
	- bson_mutex_destroy (&topology->srv_polling_mtx);
	- mongoc_cond_destroy (&topology->srv_polling_cond);
	- }
	-
	- if (topology->valid) {
	- /* Do not emit a topology_closed event. A topology opening event was not
	- * emitted. */
	- _mongoc_topology_description_monitor_closed (
	- mc_tpld_unsafe_get_const (topology));
	- }
	-
	- mongoc_uri_destroy (topology->uri);
	- mongoc_shared_ptr_reset_null (&topology->_shared_descr_._sptr_);
	- mongoc_topology_scanner_destroy (topology->scanner);
	- mongoc_server_session_pool_free (topology->session_pool);
	-
	- mongoc_cond_destroy (&topology->cond_client);
	- bson_mutex_destroy (&topology->tpld_modification_mtx);
	-
	- bson_free (topology);
	-}
	-
	-/* Returns false if none of the hosts were valid. */
	-bool
	-mongoc_topology_apply_scanned_srv_hosts (mongoc_uri_t *uri,
	- mongoc_topology_description_t *td,
	- mongoc_host_list_t *hosts,
	- bson_error_t *error)
	-{
	- mongoc_host_list_t *host;
	- mongoc_host_list_t *valid_hosts = NULL;
	- bool had_valid_hosts = false;
	-
	- /* Validate that the hosts have a matching domain.
	- * If validation fails, log it.
	- * If no valid hosts remain, do not update the topology description.
	- */
	- LL_FOREACH (hosts, host)
	- {
	- if (mongoc_uri_validate_srv_result (uri, host->host, error)) {
	- _mongoc_host_list_upsert (&valid_hosts, host);
	- } else {
	- MONGOC_ERROR ("Invalid host returned by SRV: %s", host->host_and_port);
	- /* Continue on, there may still be valid hosts returned. */
	- }
	- }
	-
	- if (valid_hosts) {
	- /* Reconcile with the topology description. Newly found servers will start
	- * getting monitored and are eligible to be used by clients. */
	- mongoc_topology_description_reconcile (td, valid_hosts);
	- had_valid_hosts = true;
	- } else {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	- "SRV response did not contain any valid hosts");
	- }
	-
	- _mongoc_host_list_destroy_all (valid_hosts);
	- return had_valid_hosts;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_should_rescan_srv --
	- *
	- * Checks whether it is valid to rescan SRV records on the topology.
	- * Namely, that the topology type is Sharded or Unknown, and that
	- * the topology URI was configured with SRV.
	- *
	- * If this returns false, caller can stop scanning SRV records
	- * and does not need to try again in the future.
	- *
	- * --------------------------------------------------------------------------
	- */
	-bool
	-mongoc_topology_should_rescan_srv (mongoc_topology_t *topology)
	-{
	- const char *service = mongoc_uri_get_service (topology->uri);
	- mongoc_topology_description_type_t type;
	-
	- if (!service) {
	- /* Only rescan if we have a mongodb+srv:// URI. */
	- return false;
	- }
	-
	- type = _mongoc_topology_get_type (topology);
	-
	- /* Only perform rescan for sharded topology. */
	- return type == MONGOC_TOPOLOGY_SHARDED \|\| type == MONGOC_TOPOLOGY_UNKNOWN;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_rescan_srv --
	- *
	- * Queries SRV records for new hosts in a mongos cluster.
	- * Caller must call mongoc_topology_should_rescan_srv before calling
	- * to ensure preconditions are met.
	- *
	- * NOTE: This method may update the topology description.
	- *
	- * --------------------------------------------------------------------------
	- */
	-void
	-mongoc_topology_rescan_srv (mongoc_topology_t *topology)
	-{
	- mongoc_rr_data_t rr_data = {0};
	- const char *service;
	- char *prefixed_service = NULL;
	- int64_t scan_time_ms;
	- bool ret;
	- mc_shared_tpld td;
	- mc_tpld_modification tdmod;
	-
	- BSON_ASSERT (mongoc_topology_should_rescan_srv (topology));
	-
	- service = mongoc_uri_get_service (topology->uri);
	- scan_time_ms = topology->srv_polling_last_scan_ms +
	- topology->srv_polling_rescan_interval_ms;
	- if (bson_get_monotonic_time () / 1000 < scan_time_ms) {
	- /* Query SRV no more frequently than srv_polling_rescan_interval_ms. */
	- return;
	- }
	-
	- TRACE ("%s", "Polling for SRV records");
	-
	- /* Go forth and query... */
	- prefixed_service = bson_strdup_printf ("_mongodb._tcp.%s", service);
	-
	- ret = topology->rr_resolver (prefixed_service,
	- MONGOC_RR_SRV,
	- &rr_data,
	- MONGOC_RR_DEFAULT_BUFFER_SIZE,
	- &topology->scanner->error);
	-
	- td = mc_tpld_take_ref (topology);
	- topology->srv_polling_last_scan_ms = bson_get_monotonic_time () / 1000;
	- if (!ret) {
	- /* Failed querying, soldier on and try again next time. */
	- topology->srv_polling_rescan_interval_ms = td.ptr->heartbeat_msec;
	- MONGOC_ERROR ("SRV polling error: %s", topology->scanner->error.message);
	- GOTO (done);
	- }
	-
	- /* TODO (CDRIVER-4047) use BSON_MIN */
	- topology->srv_polling_rescan_interval_ms = BSON_MAX (
	- rr_data.min_ttl * 1000, MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS);
	-
	- tdmod = mc_tpld_modify_begin (topology);
	- if (!mongoc_topology_apply_scanned_srv_hosts (topology->uri,
	- tdmod.new_td,
	- rr_data.hosts,
	- &topology->scanner->error)) {
	- MONGOC_ERROR ("%s", topology->scanner->error.message);
	- /* Special case when DNS returns zero records successfully or no valid
	- * hosts exist.
	- * Leave the toplogy alone and perform another scan at the next interval
	- * rather than removing all records and having nothing to connect to.
	- * For no verified hosts drivers "MUST temporarily set
	- * srv_polling_rescan_interval_ms
	- * to heartbeatFrequencyMS until at least one verified SRV record is
	- * obtained."
	- */
	- topology->srv_polling_rescan_interval_ms = td.ptr->heartbeat_msec;
	- }
	- mc_tpld_modify_commit (tdmod);
	-
	-done:
	- mc_tpld_drop_ref (&td);
	- bson_free (prefixed_service);
	- _mongoc_host_list_destroy_all (rr_data.hosts);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_topology_scan_once --
	- *
	- * Runs a single complete scan.
	- *
	- * NOTE: This method updates the topology description.
	- *
	- * Only runs for single threaded monitoring. (obey_cooldown is always
	- * true).
	- *
	- *--------------------------------------------------------------------------
	- */
	-static void
	-mongoc_topology_scan_once (mongoc_topology_t *topology, bool obey_cooldown)
	-{
	- mc_tpld_modification tdmod;
	- if (mongoc_topology_should_rescan_srv (topology)) {
	- /* Prior to scanning hosts, update the list of SRV hosts, if applicable.
	- */
	- mongoc_topology_rescan_srv (topology);
	- }
	-
	- /* since the last scan, members may be added or removed from the topology
	- * description based on hello responses in connection handshakes, see
	- * _mongoc_topology_update_from_handshake. retire scanner nodes for removed
	- * members and create scanner nodes for new ones. */
	- tdmod = mc_tpld_modify_begin (topology);
	- mongoc_topology_reconcile (topology, tdmod.new_td);
	- mc_tpld_modify_commit (tdmod);
	-
	- mongoc_topology_scanner_start (topology->scanner, obey_cooldown);
	- mongoc_topology_scanner_work (topology->scanner);
	-
	- _mongoc_topology_scanner_finish (topology->scanner);
	-
	- topology->last_scan = bson_get_monotonic_time ();
	- topology->stale = false;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_do_blocking_scan --
	- *
	- * Monitoring entry for single-threaded use case. Assumes the caller
	- * has checked that it's the right time to scan.
	- *
	- *--------------------------------------------------------------------------
	- */
	-void
	-_mongoc_topology_do_blocking_scan (mongoc_topology_t *topology,
	- bson_error_t *error)
	-{
	- _mongoc_handshake_freeze ();
	-
	- mongoc_topology_scan_once (topology, true /* obey cooldown */);
	- mongoc_topology_scanner_get_error (topology->scanner, error);
	-}
	-
	-
	-bool
	-mongoc_topology_compatible (const mongoc_topology_description_t *td,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error)
	-{
	- int64_t max_staleness_seconds;
	- int32_t max_wire_version;
	-
	- if (td->compatibility_error.code) {
	- if (error) {
	- memcpy (error, &td->compatibility_error, sizeof (bson_error_t));
	- }
	- return false;
	- }
	-
	- if (!read_prefs) {
	- /* NULL means read preference Primary */
	- return true;
	- }
	-
	- max_staleness_seconds =
	- mongoc_read_prefs_get_max_staleness_seconds (read_prefs);
	-
	- if (max_staleness_seconds != MONGOC_NO_MAX_STALENESS) {
	- max_wire_version =
	- mongoc_topology_description_lowest_max_wire_version (td);
	-
	- if (max_wire_version < WIRE_VERSION_MAX_STALENESS) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "Not all servers support maxStalenessSeconds");
	- return false;
	- }
	-
	- /* shouldn't happen if we've properly enforced wire version */
	- if (!mongoc_topology_description_all_sds_have_write_date (td)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	- "Not all servers have lastWriteDate");
	- return false;
	- }
	-
	- if (!_mongoc_topology_description_validate_max_staleness (
	- td, max_staleness_seconds, error)) {
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-
	-static void
	-_mongoc_server_selection_error (const char *msg,
	- const bson_error_t *scanner_error,
	- bson_error_t *error)
	-{
	- if (scanner_error && scanner_error->code) {
	- bson_set_error (error,
	- MONGOC_ERROR_SERVER_SELECTION,
	- MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	- "%s: %s",
	- msg,
	- scanner_error->message);
	- } else {
	- bson_set_error (error,
	- MONGOC_ERROR_SERVER_SELECTION,
	- MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	- "%s",
	- msg);
	- }
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_select --
	- *
	- * Selects a server description for an operation based on @optype
	- * and @read_prefs.
	- *
	- * NOTE: this method returns a copy of the original server
	- * description. Callers must own and clean up this copy.
	- *
	- * Parameters:
	- * @topology: The topology.
	- * @optype: Whether we are selecting for a read or write operation.
	- * @read_prefs: Required, the read preferences for the command.
	- * @error: Required, out pointer for error info.
	- *
	- * Returns:
	- * A mongoc_server_description_t, or NULL on failure, in which case
	- * @error will be set.
	- *
	- * Side effects:
	- * @error may be set. This function may update the topology description.
	- *
	- *-------------------------------------------------------------------------
	- */
	-mongoc_server_description_t *
	-mongoc_topology_select (mongoc_topology_t *topology,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error)
	-{
	- uint32_t server_id =
	- mongoc_topology_select_server_id (topology, optype, read_prefs, error);
	-
	- if (server_id) {
	- /* new copy of the server description */
	- mongoc_server_description_t *ret;
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	- mongoc_server_description_t const *sd =
	- mongoc_topology_description_server_by_id_const (
	- td.ptr, server_id, error);
	- ret = mongoc_server_description_new_copy (sd);
	- mc_tpld_drop_ref (&td);
	- return ret;
	- } else {
	- return NULL;
	- }
	-}
	-
	-/* Bypasses normal server selection behavior for a load balanced topology.
	- * Returns the id of the one load balancer server. Returns 0 on failure.
	- * Successful post-condition: On a single threaded client, a connection will
	- * have been established. */
	-static uint32_t
	-_mongoc_topology_select_server_id_loadbalanced (mongoc_topology_t *topology,
	- bson_error_t *error)
	-{
	- mongoc_server_description_t const *selected_server;
	- int32_t selected_server_id;
	- mongoc_topology_scanner_node_t *node;
	- bson_error_t scanner_error = {0};
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	-
	- BSON_ASSERT (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED);
	-
	- /* Emit the opening SDAM events if they have not emitted already. */
	- if (!td.ptr->opened) {
	- mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	- _mongoc_topology_description_monitor_opening (tdmod.new_td);
	- mc_tpld_modify_commit (tdmod);
	- mc_tpld_renew_ref (&td, topology);
	- }
	- selected_server = mongoc_topology_description_select (
	- td.ptr, MONGOC_SS_WRITE, NULL /* read prefs /, 0 / local threshold */);
	-
	- if (!selected_server) {
	- _mongoc_server_selection_error (
	- "No suitable server found in load balanced deployment", NULL, error);
	- selected_server_id = 0;
	- goto done;
	- }
	-
	- selected_server_id = selected_server->id;
	-
	- if (!topology->single_threaded) {
	- goto done;
	- }
	-
	- /* If this is a single threaded topology, we must ensure that a connection is
	- * available to this server. Wrapping drivers make the assumption that
	- * successful server selection implies a connection is available. */
	- node =
	- mongoc_topology_scanner_get_node (topology->scanner, selected_server_id);
	- if (!node) {
	- _mongoc_server_selection_error (
	- "Topology scanner in invalid state; cannot find load balancer",
	- NULL,
	- error);
	- selected_server_id = 0;
	- goto done;
	- }
	-
	- if (!node->stream) {
	- TRACE ("%s",
	- "Server selection performing scan since no connection has "
	- "been established");
	- _mongoc_topology_do_blocking_scan (topology, &scanner_error);
	- }
	-
	- if (!node->stream) {
	- /* Use the same error domain / code that is returned in mongoc-cluster.c
	- * when fetching a stream fails. */
	- if (scanner_error.code) {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	- "Could not establish stream for node %s: %s",
	- node->host.host_and_port,
	- scanner_error.message);
	- } else {
	- bson_set_error (error,
	- MONGOC_ERROR_STREAM,
	- MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	- "Could not establish stream for node %s",
	- node->host.host_and_port);
	- }
	- selected_server_id = 0;
	- goto done;
	- }
	-
	-done:
	- mc_tpld_drop_ref (&td);
	- return selected_server_id;
	-}
	-
	-/*
	- *-------------------------------------------------------------------------
	- *
	- * mongoc_topology_select_server_id --
	- *
	- * Alternative to mongoc_topology_select when you only need the id.
	- *
	- * Returns:
	- * A server id, or 0 on failure, in which case @error will be set.
	- *
	- *-------------------------------------------------------------------------
	- */
	-uint32_t
	-mongoc_topology_select_server_id (mongoc_topology_t *topology,
	- mongoc_ss_optype_t optype,
	- const mongoc_read_prefs_t *read_prefs,
	- bson_error_t *error)
	-{
	- static const char *timeout_msg =
	- "No suitable servers found: `serverSelectionTimeoutMS` expired";
	-
	- mongoc_topology_scanner_t *ts;
	- int r;
	- int64_t local_threshold_ms;
	- const mongoc_server_description_t *selected_server = NULL;
	- bool try_once;
	- int64_t sleep_usec;
	- bool tried_once;
	- bson_error_t scanner_error = {0};
	- int64_t heartbeat_msec;
	- uint32_t server_id;
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	-
	- /* These names come from the Server Selection Spec pseudocode */
	- int64_t loop_start; /* when we entered this function */
	- int64_t loop_end; /* when we last completed a loop (single-threaded) */
	- int64_t scan_ready; /* the soonest we can do a blocking scan */
	- int64_t next_update; /* the latest we must do a blocking scan */
	- int64_t expire_at; /* when server selection timeout expires */
	-
	- BSON_ASSERT (topology);
	- ts = topology->scanner;
	-
	- if (!mongoc_topology_scanner_valid (ts)) {
	- if (error) {
	- mongoc_topology_scanner_get_error (ts, error);
	- error->domain = MONGOC_ERROR_SERVER_SELECTION;
	- error->code = MONGOC_ERROR_SERVER_SELECTION_FAILURE;
	- }
	- server_id = 0;
	- goto done;
	- }
	-
	- if (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- server_id =
	- _mongoc_topology_select_server_id_loadbalanced (topology, error);
	- goto done;
	- }
	-
	- heartbeat_msec = td.ptr->heartbeat_msec;
	- local_threshold_ms = topology->local_threshold_msec;
	- try_once = topology->server_selection_try_once;
	- loop_start = loop_end = bson_get_monotonic_time ();
	- expire_at =
	- loop_start + ((int64_t) topology->server_selection_timeout_msec * 1000);
	-
	- if (topology->single_threaded) {
	- if (!td.ptr->opened) {
	- mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	- _mongoc_topology_description_monitor_opening (tdmod.new_td);
	- mc_tpld_modify_commit (tdmod);
	- mc_tpld_renew_ref (&td, topology);
	- }
	-
	- tried_once = false;
	- next_update = topology->last_scan + heartbeat_msec * 1000;
	- if (next_update < loop_start) {
	- /* we must scan now */
	- topology->stale = true;
	- }
	-
	- /* until we find a server or time out */
	- for (;;) {
	- if (topology->stale) {
	- /* how soon are we allowed to scan? */
	- scan_ready = topology->last_scan +
	- topology->min_heartbeat_frequency_msec * 1000;
	-
	- if (scan_ready > expire_at && !try_once) {
	- /* selection timeout will expire before min heartbeat passes */
	- _mongoc_server_selection_error (
	- "No suitable servers found: "
	- "`serverselectiontimeoutms` timed out",
	- &scanner_error,
	- error);
	-
	- server_id = 0;
	- goto done;
	- }
	-
	- sleep_usec = scan_ready - loop_end;
	- if (sleep_usec > 0) {
	- if (try_once &&
	- mongoc_topology_scanner_in_cooldown (ts, scan_ready)) {
	- _mongoc_server_selection_error (
	- "No servers yet eligible for rescan",
	- &scanner_error,
	- error);
	-
	- server_id = 0;
	- goto done;
	- }
	-
	- _mongoc_usleep (sleep_usec);
	- }
	-
	- /* takes up to connectTimeoutMS. sets "last_scan", clears "stale" */
	- _mongoc_topology_do_blocking_scan (topology, &scanner_error);
	- loop_end = topology->last_scan;
	- tried_once = true;
	- }
	-
	- /* Topology may have just been updated by a scan. */
	- mc_tpld_renew_ref (&td, topology);
	-
	- if (!mongoc_topology_compatible (td.ptr, read_prefs, error)) {
	- server_id = 0;
	- goto done;
	- }
	-
	- selected_server = mongoc_topology_description_select (
	- td.ptr, optype, read_prefs, local_threshold_ms);
	-
	- if (selected_server) {
	- server_id = selected_server->id;
	- goto done;
	- }
	-
	- topology->stale = true;
	-
	- if (try_once) {
	- if (tried_once) {
	- _mongoc_server_selection_error (
	- "No suitable servers found (`serverSelectionTryOnce` set)",
	- &scanner_error,
	- error);
	-
	- server_id = 0;
	- goto done;
	- }
	- } else {
	- loop_end = bson_get_monotonic_time ();
	-
	- if (loop_end > expire_at) {
	- /* no time left in server_selection_timeout_msec */
	- _mongoc_server_selection_error (
	- timeout_msg, &scanner_error, error);
	-
	- server_id = 0;
	- goto done;
	- }
	- }
	- }
	- }
	-
	- /* With background thread */
	- /* we break out when we've found a server or timed out */
	- for (;;) {
	- /* Topology may have been updated on a previous loop iteration */
	- mc_tpld_renew_ref (&td, topology);
	-
	- if (!mongoc_topology_compatible (td.ptr, read_prefs, error)) {
	- server_id = 0;
	- goto done;
	- }
	-
	- selected_server = mongoc_topology_description_select (
	- td.ptr, optype, read_prefs, local_threshold_ms);
	-
	- if (selected_server) {
	- server_id = selected_server->id;
	- goto done;
	- }
	-
	- /* tlpd_modification_mtx is used to synchronize updates to the topology.
	- * Take that lock to do a wait on the topology to become up-to-date and
	- * synchronize with a condition variable that will be signalled upon
	- * topology changes. */
	- bson_mutex_lock (&topology->tpld_modification_mtx);
	- /* Now that we have the lock, check again, since a scan may have
	- * occurred while we were waiting on the lock. */
	- mc_tpld_renew_ref (&td, topology);
	- selected_server = mongoc_topology_description_select (
	- td.ptr, optype, read_prefs, local_threshold_ms);
	- if (selected_server) {
	- server_id = selected_server->id;
	- bson_mutex_unlock (&topology->tpld_modification_mtx);
	- goto done;
	- }
	-
	- /* Still nothing. Request that the scanner do a scan now. */
	- TRACE (
	- "server selection requesting an immediate scan, want %s",
	- _mongoc_read_mode_as_str (mongoc_read_prefs_get_mode (read_prefs)));
	- _mongoc_topology_request_scan (topology);
	-
	- TRACE ("server selection about to wait for %" PRId64 "ms",
	- (expire_at - loop_start) / 1000);
	- r = mongoc_cond_timedwait (&topology->cond_client,
	- &topology->tpld_modification_mtx,
	- (expire_at - loop_start) / 1000);
	- TRACE ("%s", "server selection awake");
	- /* Refresh our topology handle */
	- mc_tpld_renew_ref (&td, topology);
	- _topology_collect_errors (td.ptr, &scanner_error);
	-
	- bson_mutex_unlock (&topology->tpld_modification_mtx);
	-
	-#ifdef _WIN32
	- if (r == WSAETIMEDOUT) {
	-#else
	- if (r == ETIMEDOUT) {
	-#endif
	- /* handle timeouts */
	- _mongoc_server_selection_error (timeout_msg, &scanner_error, error);
	-
	- server_id = 0;
	- goto done;
	- } else if (r) {
	- bson_set_error (error,
	- MONGOC_ERROR_SERVER_SELECTION,
	- MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	- "Unknown error '%d' received while waiting on "
	- "thread condition",
	- r);
	- server_id = 0;
	- goto done;
	- }
	-
	- loop_start = bson_get_monotonic_time ();
	-
	- if (loop_start > expire_at) {
	- _mongoc_server_selection_error (timeout_msg, &scanner_error, error);
	-
	- server_id = 0;
	- goto done;
	- }
	- }
	-
	-done:
	- mc_tpld_drop_ref (&td);
	- return server_id;
	-}
	-
	-
	-mongoc_host_list_t *
	-_mongoc_topology_host_by_id (const mongoc_topology_description_t *td,
	- uint32_t id,
	- bson_error_t *error)
	-{
	- mongoc_server_description_t const *sd;
	- mongoc_host_list_t *host = NULL;
	-
	- /* not a copy - direct pointer into topology description data */
	- sd = mongoc_topology_description_server_by_id_const (td, id, error);
	-
	- if (sd) {
	- host = bson_malloc0 (sizeof (mongoc_host_list_t));
	- memcpy (host, &sd->host, sizeof (mongoc_host_list_t));
	- }
	-
	- return host;
	-}
	-
	-
	-void
	-_mongoc_topology_request_scan (mongoc_topology_t *topology)
	-{
	- _mongoc_topology_background_monitoring_request_scan (topology);
	-}
	-
	-bool
	-_mongoc_topology_update_from_handshake (mongoc_topology_t *topology,
	- const mongoc_server_description_t *sd)
	-{
	- bool has_server;
	- mc_tpld_modification tdmod;
	-
	- BSON_ASSERT (topology);
	- BSON_ASSERT (sd);
	- BSON_ASSERT (!topology->single_threaded);
	-
	- if (_mongoc_topology_get_type (topology) == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	- /* In load balanced mode, scanning is only for connection establishment.
	- * It must not modify the topology description. */
	- return true;
	- }
	-
	- tdmod = mc_tpld_modify_begin (topology);
	-
	- /* return false if server was removed from topology */
	- has_server = _mongoc_topology_update_no_lock (sd->id,
	- &sd->last_hello_response,
	- sd->round_trip_time_msec,
	- tdmod.new_td,
	- NULL);
	-
	- /* if pooled, wake threads waiting in mongoc_topology_server_by_id */
	- mongoc_cond_broadcast (&topology->cond_client);
	- /* Update background monitoring. */
	- _mongoc_topology_background_monitoring_reconcile (topology, tdmod.new_td);
	- mc_tpld_modify_commit (tdmod);
	-
	- return has_server;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_update_last_used --
	- *
	- * Internal function. In single-threaded mode only, track when the socket
	- * to a particular server was last used. This is required for
	- * mongoc_cluster_check_interval to know when a socket has been idle.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_topology_update_last_used (mongoc_topology_t *topology,
	- uint32_t server_id)
	-{
	- mongoc_topology_scanner_node_t *node;
	-
	- if (!topology->single_threaded) {
	- return;
	- }
	-
	- node = mongoc_topology_scanner_get_node (topology->scanner, server_id);
	- if (node) {
	- node->last_used = bson_get_monotonic_time ();
	- }
	-}
	-
	-
	-mongoc_topology_description_type_t
	-_mongoc_topology_get_type (const mongoc_topology_t *topology)
	-{
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	- mongoc_topology_description_type_t td_type = td.ptr->type;
	- mc_tpld_drop_ref (&td);
	- return td_type;
	-}
	-
	-bool
	-_mongoc_topology_set_appname (mongoc_topology_t topology, const char appname)
	-{
	- bool ret = false;
	-
	- if (topology->scanner_state == MONGOC_TOPOLOGY_SCANNER_OFF) {
	- ret = _mongoc_topology_scanner_set_appname (topology->scanner, appname);
	- } else {
	- MONGOC_ERROR ("Cannot set appname after handshake initiated");
	- }
	- return ret;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_update_cluster_time --
	- *
	- * Internal function. If the server reply has a later $clusterTime than
	- * any seen before, update the topology's clusterTime. See the Driver
	- * Sessions Spec.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_topology_update_cluster_time (mongoc_topology_t *topology,
	- const bson_t *reply)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	- const uint8_t *data;
	- uint32_t size;
	- bson_t cluster_time;
	- mc_shared_tpld td;
	-
	- if (!reply \|\| !bson_iter_init_find (&iter, reply, "$clusterTime")) {
	- return;
	- }
	-
	- if (!BSON_ITER_HOLDS_DOCUMENT (&iter) \|\|
	- !bson_iter_recurse (&iter, &child)) {
	- MONGOC_ERROR ("Can't parse $clusterTime");
	- return;
	- }
	-
	- bson_iter_document (&iter, &size, &data);
	- BSON_ASSERT (bson_init_static (&cluster_time, data, (size_t) size));
	-
	- td = mc_tpld_take_ref (topology);
	-
	- /* This func is called frequently and repeatedly, but the cluster time itself
	- * is infrequently updated. mc_tpld_modify_begin() is very expensive, so we
	- * only want to actually call it if we anticipate performing an update to the
	- * cluster time.
	- *
	- * Check that the cluster time has actually changed from what we have on
	- * record before opening a topology modification to update it. */
	- if (bson_empty (&td.ptr->cluster_time) \|\|
	- _mongoc_cluster_time_greater (&cluster_time, &td.ptr->cluster_time)) {
	- mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	- /* Check again if we need to update the cluster time, since it may have
	- * been updated behind our back. */
	- if (bson_empty (&tdmod.new_td->cluster_time) \|\|
	- _mongoc_cluster_time_greater (&cluster_time,
	- &tdmod.new_td->cluster_time)) {
	- bson_destroy (&tdmod.new_td->cluster_time);
	- bson_copy_to (&cluster_time, &tdmod.new_td->cluster_time);
	- _mongoc_topology_scanner_set_cluster_time (
	- topology->scanner, &tdmod.new_td->cluster_time);
	- mc_tpld_modify_commit (tdmod);
	- } else {
	- mc_tpld_modify_drop (tdmod);
	- }
	- }
	- mc_tpld_drop_ref (&td);
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_pop_server_session --
	- *
	- * Internal function. Get a server session from the pool or create
	- * one. On error, return NULL and fill out @error.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-mongoc_server_session_t *
	-_mongoc_topology_pop_server_session (mongoc_topology_t *topology,
	- bson_error_t *error)
	-{
	- int64_t timeout;
	- mongoc_server_session_t *ss = NULL;
	- bool loadbalanced;
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	-
	- ENTRY;
	-
	- timeout = td.ptr->session_timeout_minutes;
	- loadbalanced = td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED;
	-
	- /* When the topology type is LoadBalanced, sessions are always supported. */
	- if (!loadbalanced && timeout == MONGOC_NO_SESSIONS) {
	- /* if needed, connect and check for session timeout again */
	- if (!mongoc_topology_description_has_data_node (td.ptr)) {
	- if (!mongoc_topology_select_server_id (
	- topology, MONGOC_SS_READ, NULL, error)) {
	- ss = NULL;
	- goto done;
	- }
	-
	- /* Topology may have been updated by a scan */
	- mc_tpld_renew_ref (&td, topology);
	-
	- timeout = td.ptr->session_timeout_minutes;
	- }
	-
	- if (timeout == MONGOC_NO_SESSIONS) {
	- bson_set_error (error,
	- MONGOC_ERROR_CLIENT,
	- MONGOC_ERROR_CLIENT_SESSION_FAILURE,
	- "Server does not support sessions");
	- ss = NULL;
	- goto done;
	- }
	- }
	-
	- ss = mongoc_server_session_pool_get (topology->session_pool, error);
	-
	-done:
	- mc_tpld_drop_ref (&td);
	- RETURN (ss);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_push_server_session --
	- *
	- * Internal function. Return a server session to the pool.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_topology_push_server_session (mongoc_topology_t *topology,
	- mongoc_server_session_t *server_session)
	-{
	- ENTRY;
	-
	- /**
	- * ! note:
	- * At time of writing, this diverges from the spec:
	- * https://github.com/mongodb/specifications/blob/df6be82f865e9b72444488fd62ae1eb5fca18569/source/sessions/driver-sessions.rst#algorithm-to-return-a-serversession-instance-to-the-server-session-pool
	- *
	- * The spec notes that before returning a session, we should first inspect
	- * the back of the pool for expired items and delete them. In this case, we
	- * simply return the item to the top of the pool and leave the remainder
	- * unchanged.
	- *
	- * The next pop operation that encounters an expired session will clear the
	- * entire session pool, thus preventing unbounded growth of the pool.
	- */
	- mongoc_server_session_pool_return (server_session);
	-
	- EXIT;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_topology_end_sessions_cmd --
	- *
	- * Internal function. End up to 10,000 server sessions. @cmd is an
	- * uninitialized document. Sessions are destroyed as their ids are
	- * appended to @cmd.
	- *
	- * Driver Sessions Spec: "If the number of sessions is very large the
	- * endSessions command SHOULD be run multiple times to end 10,000
	- * sessions at a time (in order to avoid creating excessively large
	- * commands)."
	- *
	- * Returns:
	- * true if any session ids were appended to @cmd.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-_mongoc_topology_end_sessions_cmd (mongoc_topology_t topology, bson_t cmd)
	-{
	- bson_t ar;
	- /* Only end up to 10'000 sessions */
	- const int ENDED_SESSION_PRUNING_LIMIT = 10000;
	- int i = 0;
	- mongoc_server_session_t *ss =
	- mongoc_server_session_pool_get_existing (topology->session_pool);
	-
	- bson_init (cmd);
	- BSON_APPEND_ARRAY_BEGIN (cmd, "endSessions", &ar);
	-
	- for (; i < ENDED_SESSION_PRUNING_LIMIT && ss != NULL;
	- ++i,
	- ss = mongoc_server_session_pool_get_existing (topology->session_pool)) {
	- char buf[16];
	- const char *key;
	- bson_uint32_to_string (i, &key, buf, sizeof buf);
	- BSON_APPEND_DOCUMENT (&ar, key, &ss->lsid);
	- mongoc_server_session_pool_drop (ss);
	- }
	-
	- if (ss) {
	- /* We deleted at least 10'000 sessions, so we will need to return the
	- * final session that we didn't drop */
	- mongoc_server_session_pool_return (ss);
	- }
	-
	- bson_append_array_end (cmd, &ar);
	-
	- return i > 0;
	-}
	-
	-void
	-_mongoc_topology_dup_handshake_cmd (const mongoc_topology_t *topology,
	- bson_t *copy_into)
	-{
	- _mongoc_topology_scanner_dup_handshake_cmd (topology->scanner, copy_into);
	-}
	-
	-void
	-_mongoc_topology_bypass_cooldown (mongoc_topology_t *topology)
	-{
	- BSON_ASSERT (topology->single_threaded);
	- topology->scanner->bypass_cooldown = true;
	-}
	-
	-static void
	-_find_topology_version (const bson_t reply, bson_t topology_version)
	-{
	- bson_iter_t iter;
	- const uint8_t *bytes;
	- uint32_t len;
	-
	- if (!bson_iter_init_find (&iter, reply, "topologyVersion") \|\|
	- !BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- bson_init (topology_version);
	- return;
	- }
	- bson_iter_document (&iter, &len, &bytes);
	- bson_init_static (topology_version, bytes, len);
	-}
	-
	-
	-static bool
	-_handle_sdam_app_error_command (mongoc_topology_t *topology,
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- uint32_t generation,
	- const bson_oid_t *service_id,
	- const mongoc_server_description_t *sd,
	- uint32_t max_wire_version,
	- const bson_t *reply)
	-{
	- bson_error_t cmd_error;
	- bson_t incoming_topology_version;
	- bool pool_cleared = false;
	- bool should_clear_pool = false;
	- mc_tpld_modification tdmod;
	- mongoc_server_description_t *mut_sd;
	-
	- if (_mongoc_cmd_check_ok_no_wce (
	- reply, MONGOC_ERROR_API_VERSION_2, &cmd_error)) {
	- /* No error. */
	- return false;
	- }
	-
	- if (!_mongoc_error_is_state_change (&cmd_error)) {
	- /* Not a "not primary" or "node is recovering" error. */
	- return false;
	- }
	-
	- /* Check if the error is "stale", i.e. the topologyVersion refers to an
	- * older
	- * version of the server than we have stored in the topology description.
	- */
	- _find_topology_version (reply, &incoming_topology_version);
	- if (mongoc_server_description_topology_version_cmp (
	- &sd->topology_version, &incoming_topology_version) >= 0) {
	- /* The server description is greater or equal, ignore the error. */
	- bson_destroy (&incoming_topology_version);
	- return false;
	- }
	-
	- should_clear_pool = (max_wire_version <= WIRE_VERSION_4_0 \|\|
	- _mongoc_error_is_shutdown (&cmd_error));
	-
	- tdmod = mc_tpld_modify_begin (topology);
	-
	- /* Get the server handle again, which might have been removed. */
	- mut_sd =
	- mongoc_topology_description_server_by_id (tdmod.new_td, server_id, NULL);
	-
	- if (!mut_sd) {
	- /* Server was already removed/invalidated */
	- mc_tpld_modify_drop (tdmod);
	- bson_destroy (&incoming_topology_version);
	- return false;
	- }
	-
	- /* Check the topology version a second time, now that we have an exclusive
	- * lock on the latest topology description. */
	- if (mongoc_server_description_topology_version_cmp (
	- &mut_sd->topology_version, &incoming_topology_version) >= 0) {
	- /* The server description is greater or equal, ignore the error. */
	- mc_tpld_modify_drop (tdmod);
	- bson_destroy (&incoming_topology_version);
	- return false;
	- }
	-
	- if (generation < mc_tpl_sd_get_generation (mut_sd, service_id)) {
	- /* Our view of the server description is stale. Ignore it. */
	- mc_tpld_modify_drop (tdmod);
	- bson_destroy (&incoming_topology_version);
	- return false;
	- }
	-
	- /* Overwrite the topology version. */
	- mongoc_server_description_set_topology_version (mut_sd,
	- &incoming_topology_version);
	-
	- /* SDAM: When handling a "not primary" or "node is recovering" error, the
	- * client MUST clear the server's connection pool if and only if the error
	- * is "node is shutting down" or the error originated from server version
	- * < 4.2.
	- */
	- if (should_clear_pool) {
	- _mongoc_topology_description_clear_connection_pool (
	- tdmod.new_td, server_id, service_id);
	- pool_cleared = true;
	- }
	-
	- /*
	- * SDAM: When the client sees a "not primary" or "node is recovering"
	- * error and the error's topologyVersion is strictly greater than the
	- * current ServerDescription's topologyVersion it MUST replace the
	- * server's description with a ServerDescription of type Unknown.
	- */
	- mongoc_topology_description_invalidate_server (
	- tdmod.new_td, server_id, &cmd_error);
	-
	- if (topology->single_threaded) {
	- /* SDAM: For single-threaded clients, in the case of a "not primary" or
	- * "node is shutting down" error, the client MUST mark the topology as
	- * "stale"
	- */
	- if (_mongoc_error_is_not_primary (&cmd_error)) {
	- topology->stale = true;
	- }
	- } else {
	- /* SDAM Spec: "Multi-threaded and asynchronous clients MUST request an
	- * immediate check of the server."
	- * Instead of requesting a check of the one server, request a scan
	- * to all servers (to find the new primary).
	- */
	- _mongoc_topology_request_scan (topology);
	- }
	-
	- mc_tpld_modify_commit (tdmod);
	- bson_destroy (&incoming_topology_version);
	-
	- return pool_cleared;
	-}
	-
	-
	-bool
	-_mongoc_topology_handle_app_error (mongoc_topology_t *topology,
	- uint32_t server_id,
	- bool handshake_complete,
	- _mongoc_sdam_app_error_type_t type,
	- const bson_t *reply,
	- const bson_error_t *why,
	- uint32_t max_wire_version,
	- uint32_t generation,
	- const bson_oid_t *service_id)
	-{
	- bson_error_t server_selection_error;
	- const mongoc_server_description_t *sd;
	- bool cleared_pool = false;
	- mc_shared_tpld td = mc_tpld_take_ref (topology);
	-
	- /* Start by checking every condition in which we should ignore the error */
	- sd = mongoc_topology_description_server_by_id_const (
	- td.ptr, server_id, &server_selection_error);
	-
	- if (!sd) {
	- /* The server was already removed from the topology. Ignore error. */
	- goto ignore_error;
	- }
	-
	- /* When establishing a new connection in load balanced mode, drivers MUST NOT
	- * perform SDAM error handling for any errors that occur before the MongoDB
	- * Handshake. */
	- if (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED && !handshake_complete) {
	- goto ignore_error;
	- }
	-
	- if (generation < mc_tpl_sd_get_generation (sd, service_id)) {
	- /* This is a stale connection. Ignore. */
	- goto ignore_error;
	- }
	-
	- if (type == MONGOC_SDAM_APP_ERROR_TIMEOUT && handshake_complete) {
	- /* Timeout errors after handshake are ok, do nothing. */
	- goto ignore_error;
	- }
	-
	- /* Do something with the error */
	- if (type == MONGOC_SDAM_APP_ERROR_COMMAND) {
	- cleared_pool = _handle_sdam_app_error_command (topology,
	- td.ptr,
	- server_id,
	- generation,
	- service_id,
	- sd,
	- max_wire_version,
	- reply);
	- } else {
	- /* Invalidate the server that saw the error. */
	- mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	- sd = mongoc_topology_description_server_by_id_const (
	- tdmod.new_td, server_id, NULL);
	- /* Check if the server has already been invalidated */
	- if (!sd \|\| generation < mc_tpl_sd_get_generation (sd, service_id)) {
	- mc_tpld_modify_drop (tdmod);
	- goto ignore_error;
	- }
	- /* Mark server as unknown. */
	- mongoc_topology_description_invalidate_server (
	- tdmod.new_td, server_id, why);
	- /* Clear the connection pool */
	- _mongoc_topology_description_clear_connection_pool (
	- tdmod.new_td, server_id, service_id);
	- cleared_pool = true;
	- if (!topology->single_threaded) {
	- _mongoc_topology_background_monitoring_cancel_check (topology,
	- server_id);
	- }
	- mc_tpld_modify_commit (tdmod);
	- }
	-
	-ignore_error: /* <- Jump taken if we should ignore the error */
	-
	- mc_tpld_drop_ref (&td);
	- return cleared_pool;
	-}
	-
	-/* Called from application threads
	- * Caller must hold topology lock.
	- * For single-threaded monitoring, the topology scanner may include errors for
	- * servers that were removed from the topology.
	- */
	-static void
	-_topology_collect_errors (const mongoc_topology_description_t *td,
	- bson_error_t *error_out)
	-{
	- const mongoc_server_description_t *server_description;
	- bson_string_t *error_message;
	- int i;
	-
	- memset (error_out, 0, sizeof (bson_error_t));
	- error_message = bson_string_new ("");
	-
	- for (i = 0; i < mc_tpld_servers_const (td)->items_len; i++) {
	- const bson_error_t *error;
	-
	- server_description = mc_tpld_servers_const (td)->items[i].item;
	- error = &server_description->error;
	- if (error->code) {
	- if (error_message->len > 0) {
	- bson_string_append_c (error_message, ' ');
	- }
	- bson_string_append_printf (
	- error_message, "[%s]", server_description->error.message);
	- /* The last error's code and domain wins. */
	- error_out->code = error->code;
	- error_out->domain = error->domain;
	- }
	- }
	-
	- bson_strncpy ((char *) &error_out->message,
	- error_message->str,
	- sizeof (error_out->message));
	- bson_string_free (error_message, true);
	-}
	-
	-void
	-_mongoc_topology_set_rr_resolver (mongoc_topology_t *topology,
	- _mongoc_rr_resolver_fn rr_resolver)
	-{
	- topology->rr_resolver = rr_resolver;
	-}
	-
	-void
	-_mongoc_topology_set_srv_polling_rescan_interval_ms (
	- mongoc_topology_t *topology, int64_t val)
	-{
	- topology->srv_polling_rescan_interval_ms = val;
	-}
	-
	-uint32_t
	-_mongoc_topology_get_connection_pool_generation (
	- const mongoc_topology_description_t *td,
	- uint32_t server_id,
	- const bson_oid_t *service_id)
	-{
	- const mongoc_server_description_t *sd;
	- bson_error_t error;
	-
	- BSON_ASSERT (service_id);
	-
	- sd = mongoc_topology_description_server_by_id_const (td, server_id, &error);
	- if (!sd) {
	- /* Server removed, ignore and ignore error. */
	- return 0;
	- }
	-
	- return mc_tpl_sd_get_generation (sd, service_id);
	-}
	-
	-mc_tpld_modification
	-mc_tpld_modify_begin (mongoc_topology_t *tpl)
	-{
	- mc_shared_tpld prev_td;
	- mongoc_topology_description_t *new_td;
	- bson_mutex_lock (&tpl->tpld_modification_mtx);
	- prev_td = mc_tpld_take_ref (tpl);
	- new_td = mongoc_topology_description_new_copy (prev_td.ptr),
	- mc_tpld_drop_ref (&prev_td);
	- return (mc_tpld_modification){
	- .new_td = new_td,
	- .topology = tpl,
	- };
	-}
	-
	-void
	-mc_tpld_modify_commit (mc_tpld_modification mod)
	-{
	- mongoc_shared_ptr old_sptr =
	- mongoc_shared_ptr_copy (mod.topology->_shared_descr_._sptr_);
	- mongoc_shared_ptr new_sptr =
	- mongoc_shared_ptr_create (mod.new_td, _tpld_destroy_and_free);
	- mongoc_atomic_shared_ptr_store (&mod.topology->_shared_descr_._sptr_,
	- new_sptr);
	- bson_mutex_unlock (&mod.topology->tpld_modification_mtx);
	- mongoc_shared_ptr_reset_null (&new_sptr);
	- mongoc_shared_ptr_reset_null (&old_sptr);
	-}
	-
	-void
	-mc_tpld_modify_drop (mc_tpld_modification mod)
	-{
	- bson_mutex_unlock (&mod.topology->tpld_modification_mtx);
	- mongoc_topology_description_destroy (mod.new_td);
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-trace-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-trace-private.h
	deleted file mode 100644
	index 6774b934..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-trace-private.h
	+++ /dev/null
	@@ -1,136 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-
	-#ifndef MONGOC_TRACE_PRIVATE_H
	-#define MONGOC_TRACE_PRIVATE_H
	-
	-
	-#include <bson/bson.h>
	-#include <ctype.h>
	-
	-#include "mongoc-log.h"
	-#include "mongoc-log-private.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-#ifdef MONGOC_TRACE
	-#define TRACE(msg, ...) \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- "TRACE: %s():%d " msg, \
	- BSON_FUNC, \
	- __LINE__, \
	- __VA_ARGS__); \
	- } while (0)
	-#define ENTRY \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- "ENTRY: %s():%d", \
	- BSON_FUNC, \
	- __LINE__); \
	- } while (0)
	-#define EXIT \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- " EXIT: %s():%d", \
	- BSON_FUNC, \
	- __LINE__); \
	- return; \
	- } while (0)
	-#define RETURN(ret) \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- " EXIT: %s():%d", \
	- BSON_FUNC, \
	- __LINE__); \
	- return ret; \
	- } while (0)
	-#define GOTO(label) \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- " GOTO: %s():%d %s", \
	- BSON_FUNC, \
	- __LINE__, \
	- #label); \
	- goto label; \
	- } while (0)
	-#define DUMP_BYTES(_n, _b, _l) \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- "TRACE: %s():%d %s = %p [%d]", \
	- BSON_FUNC, \
	- __LINE__, \
	- #_n, \
	- _b, \
	- (int) _l); \
	- mongoc_log_trace_bytes (MONGOC_LOG_DOMAIN, _b, _l); \
	- } while (0)
	-#define DUMP_BSON(_bson) \
	- do { \
	- char *_bson_str; \
	- if (_bson) { \
	- _bson_str = bson_as_canonical_extended_json (_bson, NULL); \
	- } else { \
	- _bson_str = bson_strdup ("<NULL>"); \
	- } \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- "TRACE: %s():%d %s = %s", \
	- BSON_FUNC, \
	- __LINE__, \
	- #_bson, \
	- _bson_str); \
	- bson_free (_bson_str); \
	- } while (0)
	-#define DUMP_IOVEC(_n, _iov, _iovcnt) \
	- do { \
	- mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	- MONGOC_LOG_DOMAIN, \
	- "TRACE: %s():%d %s = %p [%d]", \
	- BSON_FUNC, \
	- __LINE__, \
	- #_n, \
	- (void *) _iov, \
	- (int) _iovcnt); \
	- mongoc_log_trace_iovec (MONGOC_LOG_DOMAIN, _iov, _iovcnt); \
	- } while (0)
	-#else
	-#define TRACE(msg, ...) (void) 0
	-#define ENTRY
	-#define EXIT return
	-#define RETURN(ret) return ret
	-#define GOTO(label) goto label
	-#define DUMP_BYTES(_n, _b, _l)
	-#define DUMP_IOVEC(_n, _iov, _iovcnt)
	-#define DUMP_BSON(_bson)
	-#endif
	-
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_TRACE_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri-private.h
	deleted file mode 100644
	index c75c206f..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri-private.h
	+++ /dev/null
	@@ -1,94 +0,0 @@
	-/*
	- * Copyright 2015 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_URI_PRIVATE_H
	-#define MONGOC_URI_PRIVATE_H
	-
	-#include "mongoc-uri.h"
	-#include "mongoc-scram-private.h"
	-#include "mongoc-crypto-private.h"
	-
	-
	-BSON_BEGIN_DECLS
	-
	-
	-bool
	-mongoc_uri_upsert_host_and_port (mongoc_uri_t *uri,
	- const char *host_and_port,
	- bson_error_t *error);
	-bool
	-mongoc_uri_upsert_host (mongoc_uri_t *uri,
	- const char *host,
	- uint16_t port,
	- bson_error_t *error);
	-void
	-mongoc_uri_remove_host (mongoc_uri_t uri, const char host, uint16_t port);
	-
	-bool
	-mongoc_uri_parse_host (mongoc_uri_t uri, const char str);
	-bool
	-mongoc_uri_parse_options (mongoc_uri_t *uri,
	- const char *str,
	- bool from_dns,
	- bson_error_t *error);
	-int32_t
	-mongoc_uri_get_local_threshold_option (const mongoc_uri_t *uri);
	-
	-bool
	-_mongoc_uri_requires_auth_negotiation (const mongoc_uri_t *uri);
	-
	-const char *
	-mongoc_uri_canonicalize_option (const char *key);
	-
	-mongoc_uri_t *
	-_mongoc_uri_copy_and_replace_host_list (const mongoc_uri_t *original,
	- const char *host);
	-
	-bool
	-mongoc_uri_init_with_srv_host_list (mongoc_uri_t *uri,
	- mongoc_host_list_t *hosts,
	- bson_error_t *error);
	-
	-bool
	-mongoc_uri_validate_srv_result (const mongoc_uri_t *uri,
	- const char *host,
	- bson_error_t *error);
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	-void
	-_mongoc_uri_init_scram (const mongoc_uri_t *uri,
	- mongoc_scram_t *scram,
	- mongoc_crypto_hash_algorithm_t algo);
	-#endif
	-
	-/* mongoc_uri_finalize_loadbalanced validates constraints for the loadBalanced
	- * URI option.
	- * For example, it is invalid to have loadBalanced=true with multiple hosts in
	- * the URI.
	- * This is expected to be called whenever URI options may change (e.g. parsing a
	- * new URI or applying TXT records).
	- * Returns false and sets @error on failure.
	- * Returns true and does not modify @error on success.
	- */
	-bool
	-mongoc_uri_finalize_loadbalanced (const mongoc_uri_t uri, bson_error_t error);
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_URI_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.c
	deleted file mode 100644
	index e1d35ed6..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.c
	+++ /dev/null
	@@ -1,3149 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include <ctype.h>
	-#include <stdlib.h>
	-#include <string.h>
	-#include <sys/types.h>
	-#include <math.h>
	-
	-/* strcasecmp on windows */
	-#include "mongoc-util-private.h"
	-
	-#include "mongoc-config.h"
	-#include "mongoc-host-list.h"
	-#include "mongoc-host-list-private.h"
	-#include "mongoc-log.h"
	-#include "mongoc-handshake-private.h"
	-#include "mongoc-socket.h"
	-#include "mongoc-topology-private.h"
	-#include "mongoc-uri-private.h"
	-#include "mongoc-read-concern-private.h"
	-#include "mongoc-write-concern-private.h"
	-#include "mongoc-compression-private.h"
	-#include "utlist.h"
	-
	-struct _mongoc_uri_t {
	- char *str;
	- bool is_srv;
	- char srv[BSON_HOST_NAME_MAX + 1];
	- mongoc_host_list_t *hosts;
	- char *username;
	- char *password;
	- char *database;
	- bson_t raw; /* Unparsed options, see mongoc_uri_parse_options */
	- bson_t options; /* Type-coerced and canonicalized options */
	- bson_t credentials;
	- bson_t compressors;
	- mongoc_read_prefs_t *read_prefs;
	- mongoc_read_concern_t *read_concern;
	- mongoc_write_concern_t *write_concern;
	-};
	-
	-#define MONGOC_URI_ERROR(error, format, ...) \
	- bson_set_error (error, \
	- MONGOC_ERROR_COMMAND, \
	- MONGOC_ERROR_COMMAND_INVALID_ARG, \
	- format, \
	- __VA_ARGS__);
	-
	-
	-static const char *escape_instructions = "Percent-encode username and password"
	- " according to RFC 3986";
	-
	-static bool
	-_mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	- const char *option,
	- int32_t value);
	-
	-static bool
	-_mongoc_uri_set_option_as_int32_with_error (mongoc_uri_t *uri,
	- const char *option,
	- int32_t value,
	- bson_error_t *error);
	-
	-static bool
	-_mongoc_uri_set_option_as_int64_with_error (mongoc_uri_t *uri,
	- const char *option,
	- int64_t value,
	- bson_error_t *error);
	-
	-static bool
	-ends_with (const char str, const char suffix);
	-
	-static void
	-mongoc_uri_do_unescape (char **str)
	-{
	- char *tmp;
	-
	- if ((tmp = *str)) {
	- *str = mongoc_uri_unescape (tmp);
	- bson_free (tmp);
	- }
	-}
	-
	-
	-#define VALIDATE_SRV_ERR() \
	- do { \
	- bson_set_error (error, \
	- MONGOC_ERROR_STREAM, \
	- MONGOC_ERROR_STREAM_NAME_RESOLUTION, \
	- "Invalid host \"%s\" returned for service \"%s\": " \
	- "host must be subdomain of service name", \
	- host, \
	- service); \
	- return false; \
	- } while (0)
	-
	-
	-static int
	-count_dots (const char *s)
	-{
	- int n = 0;
	- const char *dot = s;
	-
	- while ((dot = strchr (dot + 1, '.'))) {
	- n++;
	- }
	-
	- return n;
	-}
	-
	-static char *
	-lowercase_str_new (const char *key)
	-{
	- char *ret = bson_strdup (key);
	- mongoc_lowercase (key, ret);
	- return ret;
	-}
	-
	-/* at least one character, and does not start with dot */
	-static bool
	-valid_hostname (const char *s)
	-{
	- size_t len = strlen (s);
	-
	- return len > 1 && s[0] != '.';
	-}
	-
	-
	-bool
	-mongoc_uri_validate_srv_result (const mongoc_uri_t *uri,
	- const char *host,
	- bson_error_t *error)
	-{
	- const char *service;
	- const char *service_root;
	-
	- service = mongoc_uri_get_service (uri);
	- BSON_ASSERT (service);
	-
	- if (!valid_hostname (host)) {
	- VALIDATE_SRV_ERR ();
	- }
	-
	- service_root = strchr (service, '.');
	- BSON_ASSERT (service_root);
	-
	- /* host must be descendent of service root: if service is
	- * "a.foo.co" host can be like "a.foo.co", "b.foo.co", "a.b.foo.co", etc.
	- */
	- if (strlen (host) < strlen (service_root)) {
	- VALIDATE_SRV_ERR ();
	- }
	-
	- if (!ends_with (host, service_root)) {
	- VALIDATE_SRV_ERR ();
	- }
	-
	- return true;
	-}
	-
	-/* copy and upsert @host into @uri's host list. */
	-static bool
	-_upsert_into_host_list (mongoc_uri_t *uri,
	- mongoc_host_list_t *host,
	- bson_error_t *error)
	-{
	- if (uri->is_srv &&
	- !mongoc_uri_validate_srv_result (uri, host->host, error)) {
	- return false;
	- }
	-
	- _mongoc_host_list_upsert (&uri->hosts, host);
	-
	- return true;
	-}
	-
	-bool
	-mongoc_uri_upsert_host_and_port (mongoc_uri_t *uri,
	- const char *host_and_port,
	- bson_error_t *error)
	-{
	- mongoc_host_list_t temp;
	-
	- memset (&temp, 0, sizeof (mongoc_host_list_t));
	- if (!_mongoc_host_list_from_string_with_err (&temp, host_and_port, error)) {
	- return false;
	- }
	-
	- return _upsert_into_host_list (uri, &temp, error);
	-}
	-
	-bool
	-mongoc_uri_upsert_host (mongoc_uri_t *uri,
	- const char *host,
	- uint16_t port,
	- bson_error_t *error)
	-{
	- mongoc_host_list_t temp;
	-
	- memset (&temp, 0, sizeof (mongoc_host_list_t));
	- if (!_mongoc_host_list_from_hostport_with_err (&temp, host, port, error)) {
	- return false;
	- }
	-
	- return _upsert_into_host_list (uri, &temp, error);
	-}
	-
	-void
	-mongoc_uri_remove_host (mongoc_uri_t uri, const char host, uint16_t port)
	-{
	- _mongoc_host_list_remove_host (&(uri->hosts), host, port);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * scan_to_unichar --
	- *
	- * Scans 'str' until either a character matching 'match' is found,
	- * until one of the characters in 'terminators' is encountered, or
	- * until we reach the end of 'str'.
	- *
	- * NOTE: 'terminators' may not include multibyte UTF-8 characters.
	- *
	- * Returns:
	- * If 'match' is found, returns a copy of the section of 'str' before
	- * that character. Otherwise, returns NULL.
	- *
	- * Side Effects:
	- * If 'match' is found, sets 'end' to begin at the matching character
	- * in 'str'.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static char *
	-scan_to_unichar (const char *str,
	- bson_unichar_t match,
	- const char *terminators,
	- const char **end)
	-{
	- bson_unichar_t c;
	- const char *iter;
	-
	- for (iter = str; iter && *iter && (c = bson_utf8_get_char (iter));
	- iter = bson_utf8_next_char (iter)) {
	- if (c == match) {
	- *end = iter;
	- return bson_strndup (str, iter - str);
	- } else if (c == '\\') {
	- iter = bson_utf8_next_char (iter);
	- if (!bson_utf8_get_char (iter)) {
	- break;
	- }
	- } else {
	- const char *term_iter;
	- for (term_iter = terminators; *term_iter; term_iter++) {
	- if (c == *term_iter) {
	- return NULL;
	- }
	- }
	- }
	- }
	-
	- return NULL;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * ends_with --
	- *
	- * Return true if str ends with suffix.
	- *
	- *--------------------------------------------------------------------------
	- */
	-static bool
	-ends_with (const char str, const char suffix)
	-{
	- size_t str_len = strlen (str);
	- size_t suffix_len = strlen (suffix);
	- const char s1, s2;
	-
	- if (str_len < suffix_len) {
	- return false;
	- }
	-
	- /* start at the ends of both strings */
	- s1 = str + str_len;
	- s2 = suffix + suffix_len;
	-
	- /* until either pointer reaches start of its string, compare the pointers */
	- for (; s1 >= str && s2 >= suffix; s1--, s2--) {
	- if (s1 != s2) {
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-
	-static bool
	-mongoc_uri_parse_scheme (mongoc_uri_t uri, const char str, const char **end)
	-{
	- if (!strncmp (str, "mongodb+srv://", 14)) {
	- uri->is_srv = true;
	- *end = str + 14;
	- return true;
	- }
	-
	- if (!strncmp (str, "mongodb://", 10)) {
	- uri->is_srv = false;
	- *end = str + 10;
	- return true;
	- }
	-
	- return false;
	-}
	-
	-
	-static bool
	-mongoc_uri_has_unescaped_chars (const char str, const char chars)
	-{
	- const char *c;
	- const char *tmp;
	- char *s;
	-
	- for (c = chars; *c; c++) {
	- s = scan_to_unichar (str, (bson_unichar_t) *c, "", &tmp);
	- if (s) {
	- bson_free (s);
	- return true;
	- }
	- }
	-
	- return false;
	-}
	-
	-
	-/* "str" is non-NULL, the part of URI between "mongodb://" and first "@" */
	-static bool
	-mongoc_uri_parse_userpass (mongoc_uri_t *uri,
	- const char *str,
	- bson_error_t *error)
	-{
	- const char *prohibited = "@:/";
	- const char *end_user;
	-
	- BSON_ASSERT (str);
	- BSON_ASSERT (uri);
	-
	- if ((uri->username = scan_to_unichar (str, ':', "", &end_user))) {
	- uri->password = bson_strdup (end_user + 1);
	- } else {
	- uri->username = bson_strdup (str);
	- uri->password = NULL;
	- }
	-
	- if (mongoc_uri_has_unescaped_chars (uri->username, prohibited)) {
	- MONGOC_URI_ERROR (error,
	- "Username \"%s\" must not have unescaped chars. %s",
	- uri->username,
	- escape_instructions);
	- return false;
	- }
	-
	- mongoc_uri_do_unescape (&uri->username);
	- if (!uri->username) {
	- MONGOC_URI_ERROR (
	- error, "Incorrect URI escapes in username. %s", escape_instructions);
	- return false;
	- }
	-
	- /* Providing password at all is optional */
	- if (uri->password) {
	- if (mongoc_uri_has_unescaped_chars (uri->password, prohibited)) {
	- MONGOC_URI_ERROR (error,
	- "Password \"%s\" must not have unescaped chars. %s",
	- uri->password,
	- escape_instructions);
	- return false;
	- }
	-
	- mongoc_uri_do_unescape (&uri->password);
	- if (!uri->password) {
	- MONGOC_URI_ERROR (error, "%s", "Incorrect URI escapes in password");
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-bool
	-mongoc_uri_parse_host (mongoc_uri_t uri, const char host_and_port_in)
	-{
	- char *host_and_port = bson_strdup (host_and_port_in);
	- bson_error_t err = {0};
	- bool r;
	-
	- /* unescape host. It doesn't hurt including port. */
	- if (mongoc_uri_has_unescaped_chars (host_and_port, "/")) {
	- MONGOC_WARNING ("Unix Domain Sockets must be escaped (e.g. / = %%2F)");
	- bson_free (host_and_port);
	- return false;
	- }
	-
	- mongoc_uri_do_unescape (&host_and_port);
	- if (!host_and_port) {
	- /* invalid */
	- bson_free (host_and_port);
	- return false;
	- }
	-
	- r = mongoc_uri_upsert_host_and_port (uri, host_and_port, &err);
	-
	- if (!r) {
	- MONGOC_ERROR ("%s", err.message);
	- bson_free (host_and_port);
	- return false;
	- }
	-
	- bson_free (host_and_port);
	- return true;
	-}
	-
	-
	-bool
	-mongoc_uri_parse_srv (mongoc_uri_t uri, const char str)
	-{
	- char *service;
	-
	- if (*str == '\0') {
	- return false;
	- }
	-
	- service = bson_strdup (str);
	- mongoc_uri_do_unescape (&service);
	- if (!service) {
	- /* invalid */
	- return false;
	- }
	-
	- if (!valid_hostname (service) \|\| count_dots (service) < 2) {
	- bson_free (service);
	- return false;
	- }
	-
	- bson_strncpy (uri->srv, service, sizeof uri->srv);
	- bson_free (service);
	-
	- if (strchr (uri->srv, ',') \|\| strchr (uri->srv, ':')) {
	- /* prohibit port number or multiple service names */
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-/* "hosts" is non-NULL, the part between "mongodb://" or "@" and last "/" */
	-static bool
	-mongoc_uri_parse_hosts (mongoc_uri_t uri, const char hosts)
	-{
	- const char *next;
	- const char *end_hostport;
	- char *s;
	- BSON_ASSERT (hosts);
	- /*
	- * Parsing the series of hosts is a lot more complicated than you might
	- * imagine. This is due to some characters being both separators as well as
	- * valid characters within the "hostname". In particularly, we can have file
	- * paths to specify paths to UNIX domain sockets. We impose the restriction
	- * that they must be suffixed with ".sock" to simplify the parsing.
	- *
	- * You can separate hosts and file system paths to UNIX domain sockets with
	- * ",".
	- */
	- s = scan_to_unichar (hosts, '?', "", &end_hostport);
	- if (s) {
	- MONGOC_WARNING (
	- "%s", "A '/' is required between the host list and any options.");
	- goto error;
	- }
	- next = hosts;
	- do {
	- /* makes a copy of the section of the string */
	- s = scan_to_unichar (next, ',', "", &end_hostport);
	- if (s) {
	- next = (char *) end_hostport + 1;
	- } else {
	- s = bson_strdup (next);
	- next = NULL;
	- }
	- if (!mongoc_uri_parse_host (uri, s)) {
	- goto error;
	- }
	- bson_free (s);
	- } while (next);
	- return true;
	-error:
	- bson_free (s);
	- return false;
	-}
	-
	-/* -----------------------------------------------------------------------------
	- *
	- * mongoc_uri_parse_database --
	- *
	- * Parse the database after @str. @str is expected to point after the
	- * host list to the character immediately after the / in the uri string.
	- * If no database is specified in the uri, e.g. the uri has a form like:
	- * mongodb://localhost/?option=X then uri->database remains NULL after
	- * parsing.
	- *
	- * Return:
	- * True if the parsed database is valid. An empty database is considered
	- * valid.
	- * -----------------------------------------------------------------------------
	- */
	-static bool
	-mongoc_uri_parse_database (mongoc_uri_t uri, const char str, const char **end)
	-{
	- const char *end_database;
	- const char *c;
	- char *invalid_c;
	- const char *tmp;
	-
	- if ((uri->database = scan_to_unichar (str, '?', "", &end_database))) {
	- if (strcmp (uri->database, "") == 0) {
	- /* no database is found, don't store the empty string. */
	- bson_free (uri->database);
	- uri->database = NULL;
	- /* but it is valid to have an empty database. */
	- return true;
	- }
	- *end = end_database;
	- } else if (*str) {
	- uri->database = bson_strdup (str);
	- *end = str + strlen (str);
	- }
	-
	- mongoc_uri_do_unescape (&uri->database);
	- if (!uri->database) {
	- /* invalid */
	- return false;
	- }
	-
	- /* invalid characters in database name */
	- for (c = "/\\. \"$"; *c; c++) {
	- invalid_c =
	- scan_to_unichar (uri->database, (bson_unichar_t) *c, "", &tmp);
	- if (invalid_c) {
	- bson_free (invalid_c);
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-
	-static bool
	-mongoc_uri_parse_auth_mechanism_properties (mongoc_uri_t uri, const char str)
	-{
	- char *field;
	- char *value;
	- const char *end_scan;
	- bson_t properties;
	-
	- bson_init (&properties);
	-
	- /* build up the properties document */
	- while ((field = scan_to_unichar (str, ':', "&", &end_scan))) {
	- str = end_scan + 1;
	- if (!(value = scan_to_unichar (str, ',', ":&", &end_scan))) {
	- value = bson_strdup (str);
	- str = "";
	- } else {
	- str = end_scan + 1;
	- }
	- bson_append_utf8 (&properties, field, -1, value, -1);
	- bson_free (field);
	- bson_free (value);
	- }
	-
	- /* append our auth properties to our credentials */
	- if (!mongoc_uri_set_mechanism_properties (uri, &properties)) {
	- bson_destroy (&properties);
	- return false;
	- }
	- bson_destroy (&properties);
	- return true;
	-}
	-
	-static bool
	-mongoc_uri_parse_tags (mongoc_uri_t uri, / IN */
	- const char str) / IN */
	-{
	- const char *end_keyval;
	- const char *end_key;
	- bson_t b;
	- char *keyval;
	- char *key;
	-
	- bson_init (&b);
	-
	-again:
	- if ((keyval = scan_to_unichar (str, ',', "", &end_keyval))) {
	- if (!(key = scan_to_unichar (keyval, ':', "", &end_key))) {
	- bson_free (keyval);
	- goto fail;
	- }
	-
	- bson_append_utf8 (&b, key, -1, end_key + 1, -1);
	- bson_free (key);
	- bson_free (keyval);
	- str = end_keyval + 1;
	- goto again;
	- } else if ((key = scan_to_unichar (str, ':', "", &end_key))) {
	- bson_append_utf8 (&b, key, -1, end_key + 1, -1);
	- bson_free (key);
	- } else if (strlen (str)) {
	- /* we're not finished but we couldn't parse the string */
	- goto fail;
	- }
	-
	- mongoc_read_prefs_add_tag (uri->read_prefs, &b);
	- bson_destroy (&b);
	-
	- return true;
	-
	-fail:
	- MONGOC_WARNING ("Unsupported value for \"" MONGOC_URI_READPREFERENCETAGS
	- "\": \"%s\"",
	- str);
	- bson_destroy (&b);
	- return false;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_bson_append_or_replace_key --
	- *
	- *
	- * Appends 'option' to the end of 'options' if not already set.
	- *
	- * Since we cannot grow utf8 strings inline, we have to allocate a
	- * temporary bson variable and splice in the new value if the key
	- * is already set.
	- *
	- * NOTE: This function keeps the order of the BSON keys.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static void
	-mongoc_uri_bson_append_or_replace_key (bson_t *options,
	- const char *option,
	- const char *value)
	-{
	- bson_iter_t iter;
	- bool found = false;
	-
	- if (bson_iter_init (&iter, options)) {
	- bson_t tmp = BSON_INITIALIZER;
	-
	- while (bson_iter_next (&iter)) {
	- const bson_value_t *bvalue;
	-
	- if (!strcasecmp (bson_iter_key (&iter), option)) {
	- bson_append_utf8 (&tmp, option, -1, value, -1);
	- found = true;
	- continue;
	- }
	-
	- bvalue = bson_iter_value (&iter);
	- BSON_APPEND_VALUE (&tmp, bson_iter_key (&iter), bvalue);
	- }
	-
	- if (!found) {
	- bson_append_utf8 (&tmp, option, -1, value, -1);
	- }
	-
	- bson_destroy (options);
	- bson_copy_to (&tmp, options);
	- bson_destroy (&tmp);
	- }
	-}
	-
	-
	-bool
	-mongoc_uri_has_option (const mongoc_uri_t uri, const char key)
	-{
	- bson_iter_t iter;
	-
	- return bson_iter_init_find_case (&iter, &uri->options, key);
	-}
	-
	-bool
	-mongoc_uri_option_is_int32 (const char *key)
	-{
	- return mongoc_uri_option_is_int64 (key) \|\|
	- !strcasecmp (key, MONGOC_URI_CONNECTTIMEOUTMS) \|\|
	- !strcasecmp (key, MONGOC_URI_HEARTBEATFREQUENCYMS) \|\|
	- !strcasecmp (key, MONGOC_URI_SERVERSELECTIONTIMEOUTMS) \|\|
	- !strcasecmp (key, MONGOC_URI_SOCKETCHECKINTERVALMS) \|\|
	- !strcasecmp (key, MONGOC_URI_SOCKETTIMEOUTMS) \|\|
	- !strcasecmp (key, MONGOC_URI_LOCALTHRESHOLDMS) \|\|
	- !strcasecmp (key, MONGOC_URI_MAXPOOLSIZE) \|\|
	- !strcasecmp (key, MONGOC_URI_MAXSTALENESSSECONDS) \|\|
	- !strcasecmp (key, MONGOC_URI_MINPOOLSIZE) \|\|
	- !strcasecmp (key, MONGOC_URI_MAXIDLETIMEMS) \|\|
	- !strcasecmp (key, MONGOC_URI_WAITQUEUEMULTIPLE) \|\|
	- !strcasecmp (key, MONGOC_URI_WAITQUEUETIMEOUTMS) \|\|
	- !strcasecmp (key, MONGOC_URI_ZLIBCOMPRESSIONLEVEL);
	-}
	-
	-bool
	-mongoc_uri_option_is_int64 (const char *key)
	-{
	- return !strcasecmp (key, MONGOC_URI_WTIMEOUTMS);
	-}
	-
	-bool
	-mongoc_uri_option_is_bool (const char *key)
	-{
	- return !strcasecmp (key, MONGOC_URI_CANONICALIZEHOSTNAME) \|\|
	- !strcasecmp (key, MONGOC_URI_DIRECTCONNECTION) \|\|
	- !strcasecmp (key, MONGOC_URI_JOURNAL) \|\|
	- !strcasecmp (key, MONGOC_URI_RETRYREADS) \|\|
	- !strcasecmp (key, MONGOC_URI_RETRYWRITES) \|\|
	- !strcasecmp (key, MONGOC_URI_SAFE) \|\|
	- !strcasecmp (key, MONGOC_URI_SERVERSELECTIONTRYONCE) \|\|
	- !strcasecmp (key, MONGOC_URI_TLS) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSINSECURE) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	- !strcasecmp (key, MONGOC_URI_LOADBALANCED) \|\|
	- /* deprecated options */
	- !strcasecmp (key, MONGOC_URI_SSL) \|\|
	- !strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDCERTIFICATES) \|\|
	- !strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDHOSTNAMES);
	-}
	-
	-bool
	-mongoc_uri_option_is_utf8 (const char *key)
	-{
	- return !strcasecmp (key, MONGOC_URI_APPNAME) \|\|
	- !strcasecmp (key, MONGOC_URI_REPLICASET) \|\|
	- !strcasecmp (key, MONGOC_URI_READPREFERENCE) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSCERTIFICATEKEYFILE) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD) \|\|
	- !strcasecmp (key, MONGOC_URI_TLSCAFILE) \|\|
	- /* deprecated options */
	- !strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYFILE) \|\|
	- !strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYPASSWORD) \|\|
	- !strcasecmp (key, MONGOC_URI_SSLCERTIFICATEAUTHORITYFILE);
	-}
	-
	-const char *
	-mongoc_uri_canonicalize_option (const char *key)
	-{
	- if (!strcasecmp (key, MONGOC_URI_SSL)) {
	- return MONGOC_URI_TLS;
	- } else if (!strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYFILE)) {
	- return MONGOC_URI_TLSCERTIFICATEKEYFILE;
	- } else if (!strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYPASSWORD)) {
	- return MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD;
	- } else if (!strcasecmp (key, MONGOC_URI_SSLCERTIFICATEAUTHORITYFILE)) {
	- return MONGOC_URI_TLSCAFILE;
	- } else if (!strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDCERTIFICATES)) {
	- return MONGOC_URI_TLSALLOWINVALIDCERTIFICATES;
	- } else if (!strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDHOSTNAMES)) {
	- return MONGOC_URI_TLSALLOWINVALIDHOSTNAMES;
	- } else {
	- return key;
	- }
	-}
	-
	-static bool
	-_mongoc_uri_parse_int64 (const char key, const char value, int64_t *result)
	-{
	- char *endptr;
	- int64_t i;
	-
	- errno = 0;
	- i = bson_ascii_strtoll (value, &endptr, 10);
	- if (errno \|\| endptr < value + strlen (value)) {
	- MONGOC_WARNING ("Invalid %s: cannot parse integer\n", key);
	- return false;
	- }
	-
	- *result = i;
	- return true;
	-}
	-
	-
	-static bool
	-mongoc_uri_parse_int32 (const char key, const char value, int32_t *result)
	-{
	- int64_t i;
	-
	- if (!_mongoc_uri_parse_int64 (key, value, &i)) {
	- /* _mongoc_uri_parse_int64 emits a warning if it could not parse the
	- * given value, so we don't have to add one here.
	- */
	- return false;
	- }
	-
	- if (i > INT32_MAX \|\| i < INT32_MIN) {
	- MONGOC_WARNING ("Invalid %s: cannot fit in int32\n", key);
	- return false;
	- }
	-
	- *result = (int32_t) i;
	- return true;
	-}
	-
	-
	-static bool
	-dns_option_allowed (const char *lkey)
	-{
	- /* Initial DNS Seedlist Discovery Spec: "A Client MUST only support the
	- * authSource, replicaSet, and loadBalanced options through a TXT record, and
	- * MUST raise an error if any other option is encountered."
	- */
	- return !strcmp (lkey, MONGOC_URI_AUTHSOURCE) \|\|
	- !strcmp (lkey, MONGOC_URI_REPLICASET) \|\|
	- !strcmp (lkey, MONGOC_URI_LOADBALANCED);
	-}
	-
	-
	-/* Decompose a key=val pair and place them into a document.
	- * Includes case-folding for key portion.
	- */
	-static bool
	-mongoc_uri_split_option (mongoc_uri_t *uri,
	- bson_t *options,
	- const char *str,
	- bool from_dns,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- const char *end_key;
	- char *key = NULL;
	- char *lkey = NULL;
	- char *value = NULL;
	- const char *opt;
	- char *opt_end;
	- size_t opt_len;
	- bool ret = false;
	-
	- if (!(key = scan_to_unichar (str, '=', "", &end_key))) {
	- MONGOC_URI_ERROR (error, "URI option \"%s\" contains no \"=\" sign", str);
	- goto CLEANUP;
	- }
	-
	- value = bson_strdup (end_key + 1);
	- mongoc_uri_do_unescape (&value);
	- if (!value) {
	- /* do_unescape detected invalid UTF-8 and freed value */
	- MONGOC_URI_ERROR (
	- error, "Value for URI option \"%s\" contains invalid UTF-8", key);
	- goto CLEANUP;
	- }
	-
	- lkey = bson_strdup (key);
	- mongoc_lowercase (key, lkey);
	-
	- /* Initial DNS Seedlist Discovery Spec: "A Client MUST only support the
	- * authSource, replicaSet, and loadBalanced options through a TXT record, and
	- * MUST raise an error if any other option is encountered."*/
	- if (from_dns && !dns_option_allowed (lkey)) {
	- MONGOC_URI_ERROR (
	- error, "URI option \"%s\" prohibited in TXT record", key);
	- goto CLEANUP;
	- }
	-
	- /* Special case: READPREFERENCETAGS is a composing option.
	- * Multiple instances should append, not overwrite.
	- * Encode them directly to the options field,
	- * bypassing canonicalization and duplicate checks.
	- */
	- if (!strcmp (lkey, MONGOC_URI_READPREFERENCETAGS)) {
	- if (!mongoc_uri_parse_tags (uri, value)) {
	- MONGOC_URI_ERROR (
	- error, "Unsupported value for \"%s\": \"%s\"", key, value);
	- goto CLEANUP;
	- }
	- } else if (bson_iter_init_find (&iter, &uri->raw, lkey) \|\|
	- bson_iter_init_find (&iter, options, lkey)) {
	- /* Special case, MONGOC_URI_W == "any non-int" is not overridden
	- * by later values.
	- */
	- if (!strcmp (lkey, MONGOC_URI_W) &&
	- (opt = bson_iter_utf8_unsafe (&iter, &opt_len))) {
	- strtol (opt, &opt_end, 10);
	- if (*opt_end != '\0') {
	- ret = true;
	- goto CLEANUP;
	- }
	- }
	-
	- /* Initial DNS Seedlist Discovery Spec: "Client MUST use options
	- * specified in the Connection String to override options provided
	- * through TXT records." So, do NOT override existing options with TXT
	- * options. */
	- if (from_dns) {
	- MONGOC_WARNING (
	- "Cannot override URI option \"%s\" from TXT record \"%s\"",
	- key,
	- str);
	- ret = true;
	- goto CLEANUP;
	- }
	- MONGOC_WARNING ("Overwriting previously provided value for '%s'", key);
	- }
	-
	- if (!(strcmp (lkey, MONGOC_URI_REPLICASET)) && *value == '\0') {
	- MONGOC_URI_ERROR (
	- error, "Value for URI option \"%s\" cannot be empty string", lkey);
	- goto CLEANUP;
	- }
	-
	- mongoc_uri_bson_append_or_replace_key (options, lkey, value);
	- ret = true;
	-
	-CLEANUP:
	- bson_free (key);
	- bson_free (lkey);
	- bson_free (value);
	-
	- return ret;
	-}
	-
	-
	-/* Check for canonical/deprecated conflicts
	- * between the option list a, and b.
	- * If both names exist either way with differing values, error.
	- */
	-static bool
	-mongoc_uri_options_validate_names (const bson_t *a,
	- const bson_t *b,
	- bson_error_t *error)
	-{
	- bson_iter_t key_iter, canon_iter;
	- const char *key = NULL;
	- const char *canon = NULL;
	- const char *value = NULL;
	- const char *cval = NULL;
	- size_t value_len = 0;
	- size_t cval_len = 0;
	-
	- /* Scan `a` looking for deprecated names
	- * where the canonical name was also used in `a`,
	- * or was used in `b`. */
	- bson_iter_init (&key_iter, a);
	- while (bson_iter_next (&key_iter)) {
	- key = bson_iter_key (&key_iter);
	- value = bson_iter_utf8_unsafe (&key_iter, &value_len);
	- canon = mongoc_uri_canonicalize_option (key);
	-
	- if (key == canon) {
	- /* Canonical form, no point checking `b`. */
	- continue;
	- }
	-
	- /* Check for a conflict in `a`. */
	- if (bson_iter_init_find (&canon_iter, a, canon)) {
	- cval = bson_iter_utf8_unsafe (&canon_iter, &cval_len);
	- if ((value_len != cval_len) \|\| strcmp (value, cval)) {
	- goto HANDLE_CONFLICT;
	- }
	- }
	-
	- /* Check for a conflict in `b`. */
	- if (bson_iter_init_find (&canon_iter, b, canon)) {
	- cval = bson_iter_utf8_unsafe (&canon_iter, &cval_len);
	- if ((value_len != cval_len) \|\| strcmp (value, cval)) {
	- goto HANDLE_CONFLICT;
	- }
	- }
	- }
	-
	- return true;
	-
	-HANDLE_CONFLICT:
	- MONGOC_URI_ERROR (error,
	- "Deprecated option '%s=%s' conflicts with "
	- "canonical name '%s=%s'",
	- key,
	- value,
	- canon,
	- cval);
	-
	- return false;
	-}
	-
	-
	-#define HANDLE_DUPE() \
	- if (from_dns) { \
	- MONGOC_WARNING ("Cannot override URI option \"%s\" from TXT record", \
	- key); \
	- continue; \
	- } else { \
	- MONGOC_WARNING ("Overwriting previously provided value for '%s'", key); \
	- }
	-
	-static bool
	-mongoc_uri_apply_options (mongoc_uri_t *uri,
	- const bson_t *options,
	- bool from_dns,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	- int32_t v_int;
	- int64_t v_int64;
	- const char *key = NULL;
	- const char *canon = NULL;
	- const char *value = NULL;
	- size_t value_len;
	- bool bval;
	-
	- bson_iter_init (&iter, options);
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	- canon = mongoc_uri_canonicalize_option (key);
	- value = bson_iter_utf8_unsafe (&iter, &value_len);
	-
	- /* Keep a record of how the option was originally presented. */
	- mongoc_uri_bson_append_or_replace_key (&uri->raw, key, value);
	-
	- /* This check precedes mongoc_uri_option_is_int32 as all 64-bit values are
	- * also recognised as 32-bit ints.
	- */
	- if (mongoc_uri_option_is_int64 (key)) {
	- if (0 < strlen (value)) {
	- if (!_mongoc_uri_parse_int64 (key, value, &v_int64)) {
	- goto UNSUPPORTED_VALUE;
	- }
	-
	- if (!_mongoc_uri_set_option_as_int64_with_error (
	- uri, canon, v_int64, error)) {
	- return false;
	- }
	- } else {
	- MONGOC_WARNING ("Empty value provided for \"%s\"", key);
	- }
	- } else if (mongoc_uri_option_is_int32 (key)) {
	- if (0 < strlen (value)) {
	- if (!mongoc_uri_parse_int32 (key, value, &v_int)) {
	- goto UNSUPPORTED_VALUE;
	- }
	-
	- if (!_mongoc_uri_set_option_as_int32_with_error (
	- uri, canon, v_int, error)) {
	- return false;
	- }
	- } else {
	- MONGOC_WARNING ("Empty value provided for \"%s\"", key);
	- }
	- } else if (!strcmp (key, MONGOC_URI_W)) {
	- if (value == '-' \|\| isdigit (value)) {
	- v_int = (int) strtol (value, NULL, 10);
	- _mongoc_uri_set_option_as_int32 (uri, MONGOC_URI_W, v_int);
	- } else if (0 == strcasecmp (value, "majority")) {
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->options, MONGOC_URI_W, "majority");
	- } else if (*value) {
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->options, MONGOC_URI_W, value);
	- }
	-
	- } else if (mongoc_uri_option_is_bool (key)) {
	- if (0 < strlen (value)) {
	- if (0 == strcasecmp (value, "true")) {
	- bval = true;
	- } else if (0 == strcasecmp (value, "false")) {
	- bval = false;
	- } else if ((0 == strcmp (value, "1")) \|\|
	- (0 == strcasecmp (value, "yes")) \|\|
	- (0 == strcasecmp (value, "y")) \|\|
	- (0 == strcasecmp (value, "t"))) {
	- MONGOC_WARNING ("Deprecated boolean value for \"%s\": \"%s\", "
	- "please update to \"%s=true\"",
	- key,
	- value,
	- key);
	- bval = true;
	- } else if ((0 == strcasecmp (value, "0")) \|\|
	- (0 == strcasecmp (value, "-1")) \|\|
	- (0 == strcmp (value, "no")) \|\|
	- (0 == strcmp (value, "n")) \|\|
	- (0 == strcmp (value, "f"))) {
	- MONGOC_WARNING ("Deprecated boolean value for \"%s\": \"%s\", "
	- "please update to \"%s=false\"",
	- key,
	- value,
	- key);
	- bval = false;
	- } else {
	- goto UNSUPPORTED_VALUE;
	- }
	-
	- if (!mongoc_uri_set_option_as_bool (uri, canon, bval)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Failed to set %s to %d",
	- canon, bval);
	- return false;
	- }
	- } else {
	- MONGOC_WARNING ("Empty value provided for \"%s\"", key);
	- }
	-
	- } else if (!strcmp (key, MONGOC_URI_READPREFERENCETAGS)) {
	- /* Skip this option here.
	- * It was marshalled during mongoc_uri_split_option()
	- * as a special case composing option.
	- */
	-
	- } else if (!strcmp (key, MONGOC_URI_AUTHMECHANISM) \|\|
	- !strcmp (key, MONGOC_URI_AUTHSOURCE)) {
	- if (bson_has_field (&uri->credentials, key)) {
	- HANDLE_DUPE ();
	- }
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->credentials, canon, value);
	-
	- } else if (!strcmp (key, MONGOC_URI_READCONCERNLEVEL)) {
	- if (!mongoc_read_concern_is_default (uri->read_concern)) {
	- HANDLE_DUPE ();
	- }
	- mongoc_read_concern_set_level (uri->read_concern, value);
	-
	- } else if (!strcmp (key, MONGOC_URI_GSSAPISERVICENAME)) {
	- char *tmp = bson_strdup_printf ("SERVICE_NAME:%s", value);
	- if (bson_has_field (&uri->credentials,
	- MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	- MONGOC_WARNING ("authMechanismProperties SERVICE_NAME already set, "
	- "ignoring '%s'",
	- key);
	- } else if (!mongoc_uri_parse_auth_mechanism_properties (uri, tmp)) {
	- bson_free (tmp);
	- goto UNSUPPORTED_VALUE;
	- }
	- bson_free (tmp);
	-
	- } else if (!strcmp (key, MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	- if (bson_has_field (&uri->credentials, key)) {
	- HANDLE_DUPE ();
	- }
	- if (!mongoc_uri_parse_auth_mechanism_properties (uri, value)) {
	- goto UNSUPPORTED_VALUE;
	- }
	-
	- } else if (!strcmp (key, MONGOC_URI_APPNAME)) {
	- /* Part of uri->options */
	- if (!mongoc_uri_set_appname (uri, value)) {
	- goto UNSUPPORTED_VALUE;
	- }
	-
	- } else if (!strcmp (key, MONGOC_URI_COMPRESSORS)) {
	- if (!bson_empty (mongoc_uri_get_compressors (uri))) {
	- HANDLE_DUPE ();
	- }
	- if (!mongoc_uri_set_compressors (uri, value)) {
	- goto UNSUPPORTED_VALUE;
	- }
	-
	- } else if (mongoc_uri_option_is_utf8 (key)) {
	- mongoc_uri_bson_append_or_replace_key (&uri->options, canon, value);
	-
	- } else {
	- /*
	- * Keys that aren't supported by a driver MUST be ignored.
	- *
	- * A WARN level logging message MUST be issued
	- * https://github.com/mongodb/specifications/blob/master/source/connection-string/connection-string-spec.rst#keys
	- */
	- MONGOC_WARNING ("Unsupported URI option \"%s\"", key);
	- }
	- }
	-
	- return true;
	-
	-UNSUPPORTED_VALUE:
	- MONGOC_URI_ERROR (error, "Unsupported value for \"%s\": \"%s\"", key, value);
	-
	- return false;
	-}
	-
	-
	-/* Processes a query string formatted set of driver options
	- * (i.e. tls=true&connectTimeoutMS=250 ) into a BSON dict of values.
	- * uri->raw is initially populated with the raw split of key/value pairs,
	- * then the keys are canonicalized and the values coerced
	- * to their appropriate type and stored in uri->options.
	- */
	-bool
	-mongoc_uri_parse_options (mongoc_uri_t *uri,
	- const char *str,
	- bool from_dns,
	- bson_error_t *error)
	-{
	- bson_t options;
	- const char *end_option;
	- char *option;
	-
	- bson_init (&options);
	- while ((option = scan_to_unichar (str, '&', "", &end_option))) {
	- if (!mongoc_uri_split_option (uri, &options, option, from_dns, error)) {
	- bson_free (option);
	- bson_destroy (&options);
	- return false;
	- }
	- bson_free (option);
	- str = end_option + 1;
	- }
	-
	- if (*str && !mongoc_uri_split_option (uri, &options, str, from_dns, error)) {
	- bson_destroy (&options);
	- return false;
	- }
	-
	- /* Walk both sides of this map to handle each ordering:
	- * deprecated first canonical later, and vice-versa.
	- * Then finalize parse by writing final values to uri->options.
	- */
	- if (!mongoc_uri_options_validate_names (&uri->options, &options, error) \|\|
	- !mongoc_uri_options_validate_names (&options, &uri->options, error) \|\|
	- !mongoc_uri_apply_options (uri, &options, from_dns, error)) {
	- bson_destroy (&options);
	- return false;
	- }
	-
	- bson_destroy (&options);
	- return true;
	-}
	-
	-
	-static bool
	-mongoc_uri_finalize_tls (mongoc_uri_t uri, bson_error_t error)
	-{
	- /* Initial DNS Seedlist Discovery Spec: "If mongodb+srv is used, a driver
	- * MUST implicitly also enable TLS." */
	- if (uri->is_srv && !bson_has_field (&uri->options, MONGOC_URI_TLS)) {
	- mongoc_uri_set_option_as_bool (uri, MONGOC_URI_TLS, true);
	- }
	-
	- /* tlsInsecure implies tlsAllowInvalidCertificates, tlsAllowInvalidHostnames,
	- * tlsDisableOCSPEndpointCheck, and tlsDisableCertificateRevocationCheck, so
	- * consider it an error to have both. The user might have the wrong idea. */
	- if (bson_has_field (&uri->options, MONGOC_URI_TLSINSECURE) &&
	- (bson_has_field (&uri->options,
	- MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	- bson_has_field (&uri->options, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	- bson_has_field (&uri->options,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	- bson_has_field (&uri->options,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK))) {
	- MONGOC_URI_ERROR (error,
	- "%s may not be specified with %s, %s, %s, or %s",
	- MONGOC_URI_TLSINSECURE,
	- MONGOC_URI_TLSALLOWINVALIDCERTIFICATES,
	- MONGOC_URI_TLSALLOWINVALIDHOSTNAMES,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK);
	- return false;
	- }
	-
	- /* tlsAllowInvalidCertificates implies tlsDisableOCSPEndpointCheck and
	- * tlsDisableCertificateRevocationCheck, so consider it an error to have
	- * both. The user might have the wrong idea. */
	- if (bson_has_field (&uri->options, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) &&
	- (bson_has_field (&uri->options,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK) \|\|
	- bson_has_field (&uri->options,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK))) {
	- MONGOC_URI_ERROR (error,
	- "%s may not be specified with %s or %s",
	- MONGOC_URI_TLSALLOWINVALIDCERTIFICATES,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK);
	- return false;
	- }
	-
	- /* tlsDisableCertificateRevocationCheck implies tlsDisableOCSPEndpointCheck,
	- * so consider it an error to have both. The user might have the wrong idea.
	- */
	- if (bson_has_field (&uri->options,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK) &&
	- bson_has_field (&uri->options, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK)) {
	- MONGOC_URI_ERROR (error,
	- "%s may not be specified with %s",
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK,
	- MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-static bool
	-mongoc_uri_finalize_auth (mongoc_uri_t *uri,
	- bson_error_t *error,
	- bool require_auth)
	-{
	- bson_iter_t iter;
	- const char *source = NULL;
	-
	- if (bson_iter_init_find_case (
	- &iter, &uri->credentials, MONGOC_URI_AUTHSOURCE)) {
	- source = bson_iter_utf8 (&iter, NULL);
	- }
	-
	- if (mongoc_uri_get_auth_mechanism (uri)) {
	- /* authSource with GSSAPI or X509 should always be external */
	- if (!strcasecmp (mongoc_uri_get_auth_mechanism (uri), "GSSAPI") \|\|
	- !strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-X509")) {
	- if (source) {
	- if (strcasecmp (source, "$external")) {
	- MONGOC_URI_ERROR (
	- error,
	- "%s",
	- "GSSAPI and X509 require \"$external\" authSource");
	- return false;
	- }
	- } else {
	- bson_append_utf8 (
	- &uri->credentials, MONGOC_URI_AUTHSOURCE, -1, "$external", -1);
	- }
	- }
	- /* MONGODB-X509 and MONGODB-AWS are the only mechanisms that don't require
	- * username */
	- if (!(strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-X509") ==
	- 0 \|\|
	- strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-AWS") ==
	- 0)) {
	- if (!mongoc_uri_get_username (uri) \|\|
	- strcmp (mongoc_uri_get_username (uri), "") == 0) {
	- MONGOC_URI_ERROR (error,
	- "'%s' authentication mechanism requires username",
	- mongoc_uri_get_auth_mechanism (uri));
	- return false;
	- }
	- }
	- /* MONGODB-X509 errors if a password is supplied. */
	- if (strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-X509") ==
	- 0) {
	- if (mongoc_uri_get_password (uri)) {
	- MONGOC_URI_ERROR (
	- error,
	- "'%s' authentication mechanism does not accept a password",
	- mongoc_uri_get_auth_mechanism (uri));
	- return false;
	- }
	- }
	- /* GSSAPI uses 'mongodb' as the default service name */
	- if (strcasecmp (mongoc_uri_get_auth_mechanism (uri), "GSSAPI") == 0 &&
	- !(bson_iter_init_find (
	- &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES) &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter) &&
	- bson_iter_recurse (&iter, &iter) &&
	- bson_iter_find_case (&iter, "SERVICE_NAME"))) {
	- bson_t tmp;
	- bson_t *props = NULL;
	-
	- props = mongoc_uri_get_mechanism_properties (uri, &tmp)
	- ? bson_copy (&tmp)
	- : bson_new ();
	-
	- BSON_APPEND_UTF8 (props, "SERVICE_NAME", "mongodb");
	- mongoc_uri_set_mechanism_properties (uri, props);
	-
	- bson_destroy (props);
	- }
	-
	- } else if (require_auth) /* Default auth mechanism is used */ {
	- if (!mongoc_uri_get_username (uri) \|\|
	- strcmp (mongoc_uri_get_username (uri), "") == 0) {
	- MONGOC_URI_ERROR (
	- error, "%s", "Default authentication mechanism requires username");
	- return false;
	- }
	- }
	- return true;
	-}
	-
	-static bool
	-mongoc_uri_finalize_directconnection (mongoc_uri_t uri, bson_error_t error)
	-{
	- bool directconnection = false;
	-
	- directconnection =
	- mongoc_uri_get_option_as_bool (uri, MONGOC_URI_DIRECTCONNECTION, false);
	- if (!directconnection) {
	- return true;
	- }
	-
	- /* URI options spec: "The driver MUST report an error if the
	- * directConnection=true URI option is specified with an SRV URI, because
	- * the URI may resolve to multiple hosts. The driver MUST allow specifying
	- * directConnection=false URI option with an SRV URI." */
	- if (uri->is_srv) {
	- MONGOC_URI_ERROR (
	- error, "%s", "SRV URI not allowed with directConnection option");
	- return false;
	- }
	-
	- /* URI options spec: "The driver MUST report an error if the
	- * directConnection=true URI option is specified with multiple seeds." */
	- if (uri->hosts && uri->hosts->next) {
	- MONGOC_URI_ERROR (
	- error,
	- "%s",
	- "Multiple seeds not allowed with directConnection option");
	- return false;
	- }
	-
	- return true;
	-}
	-
	-static bool
	-mongoc_uri_parse_before_slash (mongoc_uri_t *uri,
	- const char *before_slash,
	- bson_error_t *error)
	-{
	- char *userpass;
	- const char *hosts;
	-
	- userpass = scan_to_unichar (before_slash, '@', "", &hosts);
	- if (userpass) {
	- if (!mongoc_uri_parse_userpass (uri, userpass, error)) {
	- goto error;
	- }
	-
	- hosts++; /* advance past "@" */
	- if (*hosts == '@') {
	- /* special case: "mongodb://alice@@localhost" */
	- MONGOC_URI_ERROR (
	- error, "Invalid username or password. %s", escape_instructions);
	- goto error;
	- }
	- } else {
	- hosts = before_slash;
	- }
	-
	- if (uri->is_srv) {
	- if (!mongoc_uri_parse_srv (uri, hosts)) {
	- MONGOC_URI_ERROR (error, "%s", "Invalid service name in URI");
	- goto error;
	- }
	- } else {
	- if (!mongoc_uri_parse_hosts (uri, hosts)) {
	- MONGOC_URI_ERROR (error, "%s", "Invalid host string in URI");
	- goto error;
	- }
	- }
	-
	- bson_free (userpass);
	- return true;
	-
	-error:
	- bson_free (userpass);
	- return false;
	-}
	-
	-
	-static bool
	-mongoc_uri_parse (mongoc_uri_t uri, const char str, bson_error_t *error)
	-{
	- char *before_slash = NULL;
	- const char *tmp;
	- bool require_auth = false;
	-
	- if (!bson_utf8_validate (str, strlen (str), false /* allow_null */)) {
	- MONGOC_URI_ERROR (error, "%s", "Invalid UTF-8 in URI");
	- goto error;
	- }
	-
	- if (!mongoc_uri_parse_scheme (uri, str, &str)) {
	- MONGOC_URI_ERROR (
	- error,
	- "%s",
	- "Invalid URI Schema, expecting 'mongodb://' or 'mongodb+srv://'");
	- goto error;
	- }
	-
	- before_slash = scan_to_unichar (str, '/', "", &tmp);
	- if (!before_slash) {
	- before_slash = bson_strdup (str);
	- str += strlen (before_slash);
	- } else {
	- str = tmp;
	- }
	-
	- if (!mongoc_uri_parse_before_slash (uri, before_slash, error)) {
	- goto error;
	- }
	-
	- if (*str) {
	- if (*str == '/') {
	- str++;
	- if (*str) {
	- if (!mongoc_uri_parse_database (uri, str, &str)) {
	- MONGOC_URI_ERROR (error, "%s", "Invalid database name in URI");
	- goto error;
	- }
	- }
	-
	- if (*str == '?') {
	- str++;
	- if (*str) {
	- if (!mongoc_uri_parse_options (
	- uri, str, false /* from DNS */, error)) {
	- goto error;
	- }
	- }
	- }
	- } else {
	- MONGOC_URI_ERROR (error, "%s", "Expected end of hostname delimiter");
	- goto error;
	- }
	- }
	-
	- /* TODO (CDRIVER-3723) Consider moving all "finalize" calls into one function
	- * that is additionally called after initial SRV and TXT records are applied
	- * in mongoc_topology_new. */
	- if (!mongoc_uri_finalize_tls (uri, error)) {
	- goto error;
	- }
	-
	- require_auth = uri->username != NULL;
	- if (!mongoc_uri_finalize_auth (uri, error, require_auth)) {
	- goto error;
	- }
	-
	- if (!mongoc_uri_finalize_directconnection (uri, error)) {
	- goto error;
	- }
	-
	- if (!mongoc_uri_finalize_loadbalanced (uri, error)) {
	- goto error;
	- }
	-
	- bson_free (before_slash);
	- return true;
	-
	-error:
	- bson_free (before_slash);
	- return false;
	-}
	-
	-
	-const mongoc_host_list_t *
	-mongoc_uri_get_hosts (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return uri->hosts;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_replica_set (const mongoc_uri_t *uri)
	-{
	- bson_iter_t iter;
	-
	- BSON_ASSERT (uri);
	-
	- if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_REPLICASET) &&
	- BSON_ITER_HOLDS_UTF8 (&iter)) {
	- return bson_iter_utf8 (&iter, NULL);
	- }
	-
	- return NULL;
	-}
	-
	-
	-const bson_t *
	-mongoc_uri_get_credentials (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return &uri->credentials;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_auth_mechanism (const mongoc_uri_t *uri)
	-{
	- bson_iter_t iter;
	-
	- BSON_ASSERT (uri);
	-
	- if (bson_iter_init_find_case (
	- &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISM) &&
	- BSON_ITER_HOLDS_UTF8 (&iter)) {
	- return bson_iter_utf8 (&iter, NULL);
	- }
	-
	- return NULL;
	-}
	-
	-
	-bool
	-mongoc_uri_set_auth_mechanism (mongoc_uri_t uri, const char value)
	-{
	- size_t len;
	-
	- BSON_ASSERT (value);
	-
	- len = strlen (value);
	-
	- if (!bson_utf8_validate (value, len, false)) {
	- return false;
	- }
	-
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->credentials, MONGOC_URI_AUTHMECHANISM, value);
	-
	- return true;
	-}
	-
	-
	-bool
	-mongoc_uri_get_mechanism_properties (const mongoc_uri_t *uri,
	- bson_t properties / OUT */)
	-{
	- bson_iter_t iter;
	-
	- BSON_ASSERT (uri);
	- BSON_ASSERT (properties);
	-
	- if (bson_iter_init_find_case (
	- &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES) &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- uint32_t len = 0;
	- const uint8_t *data = NULL;
	-
	- bson_iter_document (&iter, &len, &data);
	- BSON_ASSERT (bson_init_static (properties, data, len));
	-
	- return true;
	- }
	-
	- return false;
	-}
	-
	-
	-bool
	-mongoc_uri_set_mechanism_properties (mongoc_uri_t *uri,
	- const bson_t *properties)
	-{
	- bson_iter_t iter;
	- bson_t tmp = BSON_INITIALIZER;
	- bool r;
	-
	- BSON_ASSERT (uri);
	- BSON_ASSERT (properties);
	-
	- if (bson_iter_init_find (
	- &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	- /* copy all elements to tmp besides authMechanismProperties */
	- bson_copy_to_excluding_noinit (&uri->credentials,
	- &tmp,
	- MONGOC_URI_AUTHMECHANISMPROPERTIES,
	- (char *) NULL);
	-
	- r = BSON_APPEND_DOCUMENT (
	- &tmp, MONGOC_URI_AUTHMECHANISMPROPERTIES, properties);
	- if (!r) {
	- bson_destroy (&tmp);
	- return false;
	- }
	-
	- bson_destroy (&uri->credentials);
	- bson_copy_to (&tmp, &uri->credentials);
	- bson_destroy (&tmp);
	-
	- return true;
	- } else {
	- bson_destroy (&tmp);
	- return BSON_APPEND_DOCUMENT (
	- &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES, properties);
	- }
	-}
	-
	-
	-static bool
	-_mongoc_uri_assign_read_prefs_mode (mongoc_uri_t uri, bson_error_t error)
	-{
	- const char *str;
	- bson_iter_t iter;
	-
	- BSON_ASSERT (uri);
	-
	- if (bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_READPREFERENCE) &&
	- BSON_ITER_HOLDS_UTF8 (&iter)) {
	- str = bson_iter_utf8 (&iter, NULL);
	-
	- if (0 == strcasecmp ("primary", str)) {
	- mongoc_read_prefs_set_mode (uri->read_prefs, MONGOC_READ_PRIMARY);
	- } else if (0 == strcasecmp ("primarypreferred", str)) {
	- mongoc_read_prefs_set_mode (uri->read_prefs,
	- MONGOC_READ_PRIMARY_PREFERRED);
	- } else if (0 == strcasecmp ("secondary", str)) {
	- mongoc_read_prefs_set_mode (uri->read_prefs, MONGOC_READ_SECONDARY);
	- } else if (0 == strcasecmp ("secondarypreferred", str)) {
	- mongoc_read_prefs_set_mode (uri->read_prefs,
	- MONGOC_READ_SECONDARY_PREFERRED);
	- } else if (0 == strcasecmp ("nearest", str)) {
	- mongoc_read_prefs_set_mode (uri->read_prefs, MONGOC_READ_NEAREST);
	- } else {
	- MONGOC_URI_ERROR (
	- error, "Unsupported readPreference value [readPreference=%s]", str);
	- return false;
	- }
	- }
	- return true;
	-}
	-
	-
	-static bool
	-_mongoc_uri_build_write_concern (mongoc_uri_t uri, bson_error_t error)
	-{
	- mongoc_write_concern_t *write_concern;
	- const char *str;
	- bson_iter_t iter;
	- int64_t wtimeoutms;
	- int value;
	-
	- BSON_ASSERT (uri);
	-
	- write_concern = mongoc_write_concern_new ();
	- uri->write_concern = write_concern;
	-
	- if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_SAFE) &&
	- BSON_ITER_HOLDS_BOOL (&iter)) {
	- mongoc_write_concern_set_w (
	- write_concern,
	- bson_iter_bool (&iter) ? 1 : MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED);
	- }
	-
	- wtimeoutms = mongoc_uri_get_option_as_int64 (uri, MONGOC_URI_WTIMEOUTMS, 0);
	- if (wtimeoutms < 0) {
	- MONGOC_URI_ERROR (
	- error, "Unsupported wtimeoutMS value [w=%" PRId64 "]", wtimeoutms);
	- return false;
	- } else if (wtimeoutms > 0) {
	- mongoc_write_concern_set_wtimeout_int64 (write_concern, wtimeoutms);
	- }
	-
	- if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_JOURNAL) &&
	- BSON_ITER_HOLDS_BOOL (&iter)) {
	- mongoc_write_concern_set_journal (write_concern, bson_iter_bool (&iter));
	- }
	-
	- if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_W)) {
	- if (BSON_ITER_HOLDS_INT32 (&iter)) {
	- value = bson_iter_int32 (&iter);
	-
	- switch (value) {
	- case MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED:
	- case MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED:
	- if (mongoc_write_concern_get_journal (write_concern)) {
	- MONGOC_URI_ERROR (
	- error, "Journal conflicts with w value [w=%d]", value);
	- return false;
	- }
	- mongoc_write_concern_set_w (write_concern, value);
	- break;
	- default:
	- if (value > 0) {
	- mongoc_write_concern_set_w (write_concern, value);
	- break;
	- }
	- MONGOC_URI_ERROR (error, "Unsupported w value [w=%d]", value);
	- return false;
	- }
	- } else if (BSON_ITER_HOLDS_UTF8 (&iter)) {
	- str = bson_iter_utf8 (&iter, NULL);
	-
	- if (0 == strcasecmp ("majority", str)) {
	- mongoc_write_concern_set_w (write_concern,
	- MONGOC_WRITE_CONCERN_W_MAJORITY);
	- } else {
	- mongoc_write_concern_set_wtag (write_concern, str);
	- }
	- } else {
	- BSON_ASSERT (false);
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-/* can't use mongoc_uri_get_option_as_int32, it treats 0 specially */
	-static int32_t
	-_mongoc_uri_get_max_staleness_option (const mongoc_uri_t *uri)
	-{
	- const bson_t *options;
	- bson_iter_t iter;
	- int32_t retval = MONGOC_NO_MAX_STALENESS;
	-
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (
	- &iter, options, MONGOC_URI_MAXSTALENESSSECONDS) &&
	- BSON_ITER_HOLDS_INT32 (&iter)) {
	- retval = bson_iter_int32 (&iter);
	- if (retval == 0) {
	- MONGOC_WARNING (
	- "Unsupported value for \"" MONGOC_URI_MAXSTALENESSSECONDS
	- "\": \"%d\"",
	- retval);
	- retval = -1;
	- } else if (retval < 0 && retval != -1) {
	- MONGOC_WARNING (
	- "Unsupported value for \"" MONGOC_URI_MAXSTALENESSSECONDS
	- "\": \"%d\"",
	- retval);
	- retval = MONGOC_NO_MAX_STALENESS;
	- }
	- }
	-
	- return retval;
	-}
	-
	-mongoc_uri_t *
	-mongoc_uri_new_with_error (const char uri_string, bson_error_t error)
	-{
	- mongoc_uri_t *uri;
	- int32_t max_staleness_seconds;
	-
	- uri = (mongoc_uri_t ) bson_malloc0 (sizeof uri);
	- bson_init (&uri->raw);
	- bson_init (&uri->options);
	- bson_init (&uri->credentials);
	- bson_init (&uri->compressors);
	-
	- /* Initialize read_prefs, since parsing may add to it */
	- uri->read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	-
	- /* Initialize empty read_concern */
	- uri->read_concern = mongoc_read_concern_new ();
	-
	- if (!uri_string) {
	- uri_string = "mongodb://127.0.0.1/";
	- }
	-
	- if (!mongoc_uri_parse (uri, uri_string, error)) {
	- mongoc_uri_destroy (uri);
	- return NULL;
	- }
	-
	- uri->str = bson_strdup (uri_string);
	-
	- if (!_mongoc_uri_assign_read_prefs_mode (uri, error)) {
	- mongoc_uri_destroy (uri);
	- return NULL;
	- }
	- max_staleness_seconds = _mongoc_uri_get_max_staleness_option (uri);
	- mongoc_read_prefs_set_max_staleness_seconds (uri->read_prefs,
	- max_staleness_seconds);
	-
	- if (!mongoc_read_prefs_is_valid (uri->read_prefs)) {
	- mongoc_uri_destroy (uri);
	- MONGOC_URI_ERROR (error, "%s", "Invalid readPreferences");
	- return NULL;
	- }
	-
	- if (!_mongoc_uri_build_write_concern (uri, error)) {
	- mongoc_uri_destroy (uri);
	- return NULL;
	- }
	-
	- if (!mongoc_write_concern_is_valid (uri->write_concern)) {
	- mongoc_uri_destroy (uri);
	- MONGOC_URI_ERROR (error, "%s", "Invalid writeConcern");
	- return NULL;
	- }
	-
	- return uri;
	-}
	-
	-mongoc_uri_t *
	-mongoc_uri_new (const char *uri_string)
	-{
	- bson_error_t error = {0};
	- mongoc_uri_t *uri;
	-
	- uri = mongoc_uri_new_with_error (uri_string, &error);
	- if (error.domain) {
	- MONGOC_WARNING ("Error parsing URI: '%s'", error.message);
	- }
	-
	- return uri;
	-}
	-
	-
	-mongoc_uri_t *
	-mongoc_uri_new_for_host_port (const char *hostname, uint16_t port)
	-{
	- mongoc_uri_t *uri;
	- char *str;
	-
	- BSON_ASSERT (hostname);
	- BSON_ASSERT (port);
	-
	- str = bson_strdup_printf ("mongodb://%s:%hu/", hostname, port);
	- uri = mongoc_uri_new (str);
	- bson_free (str);
	-
	- return uri;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_username (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	-
	- return uri->username;
	-}
	-
	-bool
	-mongoc_uri_set_username (mongoc_uri_t uri, const char username)
	-{
	- size_t len;
	-
	- BSON_ASSERT (username);
	-
	- len = strlen (username);
	-
	- if (!bson_utf8_validate (username, len, false)) {
	- return false;
	- }
	-
	- if (uri->username) {
	- bson_free (uri->username);
	- }
	-
	- uri->username = bson_strdup (username);
	- return true;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_password (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	-
	- return uri->password;
	-}
	-
	-bool
	-mongoc_uri_set_password (mongoc_uri_t uri, const char password)
	-{
	- size_t len;
	-
	- BSON_ASSERT (password);
	-
	- len = strlen (password);
	-
	- if (!bson_utf8_validate (password, len, false)) {
	- return false;
	- }
	-
	- if (uri->password) {
	- bson_free (uri->password);
	- }
	-
	- uri->password = bson_strdup (password);
	- return true;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_database (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return uri->database;
	-}
	-
	-bool
	-mongoc_uri_set_database (mongoc_uri_t uri, const char database)
	-{
	- size_t len;
	-
	- BSON_ASSERT (database);
	-
	- len = strlen (database);
	-
	- if (!bson_utf8_validate (database, len, false)) {
	- return false;
	- }
	-
	- if (uri->database) {
	- bson_free (uri->database);
	- }
	-
	- uri->database = bson_strdup (database);
	- return true;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_auth_source (const mongoc_uri_t *uri)
	-{
	- bson_iter_t iter;
	- const char *mechanism;
	-
	- BSON_ASSERT (uri);
	-
	- if (bson_iter_init_find_case (
	- &iter, &uri->credentials, MONGOC_URI_AUTHSOURCE)) {
	- return bson_iter_utf8 (&iter, NULL);
	- }
	-
	- /* Auth spec:
	- * "For GSSAPI and MONGODB-X509 authMechanisms the authSource defaults to
	- * $external. For PLAIN the authSource defaults to the database name if
	- * supplied on the connection string or $external. For MONGODB-CR,
	- * SCRAM-SHA-1 and SCRAM-SHA-256 authMechanisms, the authSource defaults to
	- * the database name if supplied on the connection string or admin."
	- */
	- mechanism = mongoc_uri_get_auth_mechanism (uri);
	- if (mechanism) {
	- if (!strcasecmp (mechanism, "GSSAPI") \|\|
	- !strcasecmp (mechanism, "MONGODB-X509")) {
	- return "$external";
	- }
	- if (!strcasecmp (mechanism, "PLAIN")) {
	- return uri->database ? uri->database : "$external";
	- }
	- }
	-
	- return uri->database ? uri->database : "admin";
	-}
	-
	-
	-bool
	-mongoc_uri_set_auth_source (mongoc_uri_t uri, const char value)
	-{
	- size_t len;
	-
	- BSON_ASSERT (value);
	-
	- len = strlen (value);
	-
	- if (!bson_utf8_validate (value, len, false)) {
	- return false;
	- }
	-
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->credentials, MONGOC_URI_AUTHSOURCE, value);
	-
	- return true;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_appname (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	-
	- return mongoc_uri_get_option_as_utf8 (uri, MONGOC_URI_APPNAME, NULL);
	-}
	-
	-
	-bool
	-mongoc_uri_set_appname (mongoc_uri_t uri, const char value)
	-{
	- BSON_ASSERT (value);
	-
	- if (!bson_utf8_validate (value, strlen (value), false)) {
	- return false;
	- }
	-
	- if (!_mongoc_handshake_appname_is_valid (value)) {
	- return false;
	- }
	-
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->options, MONGOC_URI_APPNAME, value);
	-
	- return true;
	-}
	-
	-bool
	-mongoc_uri_set_compressors (mongoc_uri_t uri, const char value)
	-{
	- const char *end_compressor;
	- char *entry;
	-
	- bson_destroy (&uri->compressors);
	- bson_init (&uri->compressors);
	-
	- if (value && !bson_utf8_validate (value, strlen (value), false)) {
	- return false;
	- }
	- while ((entry = scan_to_unichar (value, ',', "", &end_compressor))) {
	- if (mongoc_compressor_supported (entry)) {
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->compressors, entry, "yes");
	- } else {
	- MONGOC_WARNING ("Unsupported compressor: '%s'", entry);
	- }
	- value = end_compressor + 1;
	- bson_free (entry);
	- }
	- if (value) {
	- if (mongoc_compressor_supported (value)) {
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->compressors, value, "yes");
	- } else {
	- MONGOC_WARNING ("Unsupported compressor: '%s'", value);
	- }
	- }
	-
	- return true;
	-}
	-
	-const bson_t *
	-mongoc_uri_get_compressors (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return &uri->compressors;
	-}
	-
	-
	-/* can't use mongoc_uri_get_option_as_int32, it treats 0 specially */
	-int32_t
	-mongoc_uri_get_local_threshold_option (const mongoc_uri_t *uri)
	-{
	- const bson_t *options;
	- bson_iter_t iter;
	- int32_t retval = MONGOC_TOPOLOGY_LOCAL_THRESHOLD_MS;
	-
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, "localthresholdms") &&
	- BSON_ITER_HOLDS_INT32 (&iter)) {
	- retval = bson_iter_int32 (&iter);
	-
	- if (retval < 0) {
	- MONGOC_WARNING ("Invalid localThresholdMS: %d", retval);
	- retval = MONGOC_TOPOLOGY_LOCAL_THRESHOLD_MS;
	- }
	- }
	-
	- return retval;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_service (const mongoc_uri_t *uri)
	-{
	- if (uri->is_srv) {
	- return uri->srv;
	- }
	-
	- return NULL;
	-}
	-
	-
	-const bson_t *
	-mongoc_uri_get_options (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return &uri->options;
	-}
	-
	-
	-void
	-mongoc_uri_destroy (mongoc_uri_t *uri)
	-{
	- if (uri) {
	- _mongoc_host_list_destroy_all (uri->hosts);
	- bson_free (uri->str);
	- bson_free (uri->database);
	- bson_free (uri->username);
	- bson_destroy (&uri->raw);
	- bson_destroy (&uri->options);
	- bson_destroy (&uri->credentials);
	- bson_destroy (&uri->compressors);
	- mongoc_read_prefs_destroy (uri->read_prefs);
	- mongoc_read_concern_destroy (uri->read_concern);
	- mongoc_write_concern_destroy (uri->write_concern);
	-
	- if (uri->password) {
	- bson_zero_free (uri->password, strlen (uri->password));
	- }
	-
	- bson_free (uri);
	- }
	-}
	-
	-
	-mongoc_uri_t *
	-mongoc_uri_copy (const mongoc_uri_t *uri)
	-{
	- mongoc_uri_t *copy;
	- mongoc_host_list_t *iter;
	- bson_error_t error;
	-
	- BSON_ASSERT (uri);
	-
	- copy = (mongoc_uri_t ) bson_malloc0 (sizeof (copy));
	-
	- copy->str = bson_strdup (uri->str);
	- copy->is_srv = uri->is_srv;
	- bson_strncpy (copy->srv, uri->srv, sizeof uri->srv);
	- copy->username = bson_strdup (uri->username);
	- copy->password = bson_strdup (uri->password);
	- copy->database = bson_strdup (uri->database);
	-
	- copy->read_prefs = mongoc_read_prefs_copy (uri->read_prefs);
	- copy->read_concern = mongoc_read_concern_copy (uri->read_concern);
	- copy->write_concern = mongoc_write_concern_copy (uri->write_concern);
	-
	- LL_FOREACH (uri->hosts, iter)
	- {
	- if (!mongoc_uri_upsert_host (copy, iter->host, iter->port, &error)) {
	- MONGOC_ERROR ("%s", error.message);
	- mongoc_uri_destroy (copy);
	- return NULL;
	- }
	- }
	-
	- bson_copy_to (&uri->raw, &copy->raw);
	- bson_copy_to (&uri->options, &copy->options);
	- bson_copy_to (&uri->credentials, &copy->credentials);
	- bson_copy_to (&uri->compressors, &copy->compressors);
	-
	- return copy;
	-}
	-
	-
	-const char *
	-mongoc_uri_get_string (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return uri->str;
	-}
	-
	-
	-const bson_t *
	-mongoc_uri_get_read_prefs (const mongoc_uri_t *uri)
	-{
	- BSON_ASSERT (uri);
	- return mongoc_read_prefs_get_tags (uri->read_prefs);
	-}
	-
	-char *
	-mongoc_uri_unescape (const char *escaped_string)
	-{
	- bson_unichar_t c;
	- bson_string_t *str;
	- unsigned int hex = 0;
	- const char *ptr;
	- const char *end;
	- size_t len;
	- bool unescape_occurred = false;
	-
	- BSON_ASSERT (escaped_string);
	-
	- len = strlen (escaped_string);
	-
	- /*
	- * Double check that this is a UTF-8 valid string. Bail out if necessary.
	- */
	- if (!bson_utf8_validate (escaped_string, len, false)) {
	- MONGOC_WARNING ("%s(): escaped_string contains invalid UTF-8", BSON_FUNC);
	- return NULL;
	- }
	-
	- ptr = escaped_string;
	- end = ptr + len;
	- str = bson_string_new (NULL);
	-
	- for (; *ptr; ptr = bson_utf8_next_char (ptr)) {
	- c = bson_utf8_get_char (ptr);
	- switch (c) {
	- case '%':
	- if (((end - ptr) < 2) \|\| !isxdigit (ptr[1]) \|\| !isxdigit (ptr[2]) \|\|
	-#ifdef _MSC_VER
	- (1 != sscanf_s (&ptr[1], "%02x", &hex))
	-#else
	- (1 != sscanf (&ptr[1], "%02x", &hex))
	-#endif
	- \|\|
	- 0 == hex) {
	- bson_string_free (str, true);
	- MONGOC_WARNING ("Invalid %% escape sequence");
	- return NULL;
	- }
	- bson_string_append_c (str, hex);
	- ptr += 2;
	- unescape_occurred = true;
	- break;
	- default:
	- bson_string_append_unichar (str, c);
	- break;
	- }
	- }
	-
	- /* Check that after unescaping, it is still valid UTF-8 */
	- if (unescape_occurred && !bson_utf8_validate (str->str, str->len, false)) {
	- MONGOC_WARNING (
	- "Invalid %% escape sequence: unescaped string contains invalid UTF-8");
	- bson_string_free (str, true);
	- return NULL;
	- }
	-
	- return bson_string_free (str, false);
	-}
	-
	-
	-const mongoc_read_prefs_t *
	-mongoc_uri_get_read_prefs_t (const mongoc_uri_t uri) / IN */
	-{
	- BSON_ASSERT (uri);
	-
	- return uri->read_prefs;
	-}
	-
	-
	-void
	-mongoc_uri_set_read_prefs_t (mongoc_uri_t *uri,
	- const mongoc_read_prefs_t *prefs)
	-{
	- BSON_ASSERT (uri);
	- BSON_ASSERT (prefs);
	-
	- mongoc_read_prefs_destroy (uri->read_prefs);
	- uri->read_prefs = mongoc_read_prefs_copy (prefs);
	-}
	-
	-
	-const mongoc_read_concern_t *
	-mongoc_uri_get_read_concern (const mongoc_uri_t uri) / IN */
	-{
	- BSON_ASSERT (uri);
	-
	- return uri->read_concern;
	-}
	-
	-
	-void
	-mongoc_uri_set_read_concern (mongoc_uri_t uri, const mongoc_read_concern_t rc)
	-{
	- BSON_ASSERT (uri);
	- BSON_ASSERT (rc);
	-
	- mongoc_read_concern_destroy (uri->read_concern);
	- uri->read_concern = mongoc_read_concern_copy (rc);
	-}
	-
	-
	-const mongoc_write_concern_t *
	-mongoc_uri_get_write_concern (const mongoc_uri_t uri) / IN */
	-{
	- BSON_ASSERT (uri);
	-
	- return uri->write_concern;
	-}
	-
	-
	-void
	-mongoc_uri_set_write_concern (mongoc_uri_t *uri,
	- const mongoc_write_concern_t *wc)
	-{
	- BSON_ASSERT (uri);
	- BSON_ASSERT (wc);
	-
	- mongoc_write_concern_destroy (uri->write_concern);
	- uri->write_concern = mongoc_write_concern_copy (wc);
	-}
	-
	-
	-bool
	-mongoc_uri_get_tls (const mongoc_uri_t uri) / IN */
	-{
	- bson_iter_t iter;
	-
	- BSON_ASSERT (uri);
	-
	- if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_TLS) &&
	- BSON_ITER_HOLDS_BOOL (&iter)) {
	- return bson_iter_bool (&iter);
	- }
	-
	- if (bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_TLSCERTIFICATEKEYFILE) \|\|
	- bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_TLSCAFILE) \|\|
	- bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	- bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	- bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_TLSINSECURE) \|\|
	- bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD) \|\|
	- bson_iter_init_find_case (
	- &iter, &uri->options, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	- bson_iter_init_find_case (
	- &iter,
	- &uri->options,
	- MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK)) {
	- return true;
	- }
	-
	- return false;
	-}
	-
	-bool
	-mongoc_uri_get_ssl (const mongoc_uri_t uri) / IN */
	-{
	- return mongoc_uri_get_tls (uri);
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_get_option_as_int32 --
	- *
	- * Checks if the URI 'option' is set and of correct type (int32).
	- * The special value '0' is considered as "unset".
	- * This is so users can provide
	- * sprintf("mongodb://localhost/?option=%d", myvalue) style connection
	- * strings, and still apply default values.
	- *
	- * If not set, or set to invalid type, 'fallback' is returned.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * The value of 'option' if available as int32 (and not 0), or
	- * 'fallback'.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int32_t
	-mongoc_uri_get_option_as_int32 (const mongoc_uri_t *uri,
	- const char *option_orig,
	- int32_t fallback)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	- int64_t retval = 0;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	-
	- /* BC layer to allow retrieving 32-bit values stored in 64-bit options */
	- if (mongoc_uri_option_is_int64 (option_orig)) {
	- retval = mongoc_uri_get_option_as_int64 (uri, option_orig, 0);
	-
	- if (retval > INT32_MAX \|\| retval < INT32_MIN) {
	- MONGOC_WARNING ("Cannot read 64-bit value for \"%s\": %" PRId64,
	- option_orig,
	- retval);
	-
	- retval = 0;
	- }
	- } else if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option) &&
	- BSON_ITER_HOLDS_INT32 (&iter)) {
	- retval = bson_iter_int32 (&iter);
	- }
	-
	- if (!retval) {
	- retval = fallback;
	- }
	-
	- return (int32_t) retval;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_set_option_as_int32 --
	- *
	- * Sets a URI option 'after the fact'. Allows users to set individual
	- * URI options without passing them as a connection string.
	- *
	- * Only allows a set of known options to be set.
	- * @see mongoc_uri_option_is_int32 ().
	- *
	- * Does in-place-update of the option BSON if 'option' is already set.
	- * Appends the option to the end otherwise.
	- *
	- * NOTE: If 'option' is already set, and is of invalid type, this
	- * function will return false.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	- const char *option_orig,
	- int32_t value)
	-{
	- const char *option;
	- bson_error_t error;
	- bool r;
	-
	- if (mongoc_uri_option_is_int64 (option_orig)) {
	- return mongoc_uri_set_option_as_int64 (uri, option_orig, value);
	- }
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	-
	- if (!mongoc_uri_option_is_int32 (option)) {
	- MONGOC_WARNING (
	- "Unsupported value for \"%s\": %d, \"%s\" is not an int32 option",
	- option_orig,
	- value,
	- option);
	- return false;
	- }
	-
	- r = _mongoc_uri_set_option_as_int32_with_error (uri, option, value, &error);
	- if (!r) {
	- MONGOC_WARNING ("%s", error.message);
	- }
	-
	- return r;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_uri_set_option_as_int32_with_error --
	- *
	- * Same as mongoc_uri_set_option_as_int32, with error reporting.
	- *
	- * Precondition:
	- * mongoc_uri_option_is_int32(option) must be true.
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_uri_set_option_as_int32_with_error (mongoc_uri_t *uri,
	- const char *option_orig,
	- int32_t value,
	- bson_error_t *error)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	- char *option_lowercase = NULL;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- /* Server Discovery and Monitoring Spec: "the driver MUST NOT permit users
	- * to configure it less than minHeartbeatFrequencyMS (500ms)." */
	- if (!bson_strcasecmp (option, MONGOC_URI_HEARTBEATFREQUENCYMS) &&
	- value < MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS) {
	- MONGOC_URI_ERROR (error,
	- "Invalid \"%s\" of %d: must be at least %d",
	- option_orig,
	- value,
	- MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS);
	- return false;
	- }
	-
	- /* zlib levels are from -1 (default) through 9 (best compression) */
	- if (!bson_strcasecmp (option, MONGOC_URI_ZLIBCOMPRESSIONLEVEL) &&
	- (value < -1 \|\| value > 9)) {
	- MONGOC_URI_ERROR (error,
	- "Invalid \"%s\" of %d: must be between -1 and 9",
	- option_orig,
	- value);
	- return false;
	- }
	-
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option)) {
	- if (BSON_ITER_HOLDS_INT32 (&iter)) {
	- bson_iter_overwrite_int32 (&iter, value);
	- return true;
	- } else {
	- MONGOC_URI_ERROR (error,
	- "Cannot set URI option \"%s\" to %d, it already has "
	- "a non-32-bit integer value",
	- option,
	- value);
	- return false;
	- }
	- }
	- option_lowercase = lowercase_str_new (option);
	- if (!bson_append_int32 (&uri->options, option_lowercase, -1, value)) {
	- bson_free (option_lowercase);
	- MONGOC_URI_ERROR (
	- error, "Failed to set URI option \"%s\" to %d", option_orig, value);
	-
	- return false;
	- }
	-
	- bson_free (option_lowercase);
	- return true;
	-}
	-
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_uri_set_option_as_int32 --
	- *
	- * Same as mongoc_uri_set_option_as_int32, except the option is not
	- * validated against valid int32 options
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	- const char *option_orig,
	- int32_t value)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	- char *option_lowercase = NULL;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option)) {
	- if (BSON_ITER_HOLDS_INT32 (&iter)) {
	- bson_iter_overwrite_int32 (&iter, value);
	- return true;
	- } else {
	- return false;
	- }
	- }
	-
	- option_lowercase = lowercase_str_new (option);
	- bson_append_int32 (&uri->options, option_lowercase, -1, value);
	- bson_free (option_lowercase);
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_get_option_as_int64 --
	- *
	- * Checks if the URI 'option' is set and of correct type (int32 or
	- * int64).
	- * The special value '0' is considered as "unset".
	- * This is so users can provide
	- * sprintf("mongodb://localhost/?option=%" PRId64, myvalue) style
	- * connection strings, and still apply default values.
	- *
	- * If not set, or set to invalid type, 'fallback' is returned.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * The value of 'option' if available as int64 or int32 (and not 0), or
	- * 'fallback'.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-int64_t
	-mongoc_uri_get_option_as_int64 (const mongoc_uri_t *uri,
	- const char *option_orig,
	- int64_t fallback)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	- int64_t retval = fallback;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option)) {
	- if (BSON_ITER_HOLDS_INT (&iter)) {
	- if (!(retval = bson_iter_as_int64 (&iter))) {
	- retval = fallback;
	- }
	- }
	- }
	-
	- return retval;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_set_option_as_int64 --
	- *
	- * Sets a URI option 'after the fact'. Allows users to set individual
	- * URI options without passing them as a connection string.
	- *
	- * Only allows a set of known options to be set.
	- * @see mongoc_uri_option_is_int64 ().
	- *
	- * Does in-place-update of the option BSON if 'option' is already set.
	- * Appends the option to the end otherwise.
	- *
	- * NOTE: If 'option' is already set, and is of invalid type, this
	- * function will return false.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_uri_set_option_as_int64 (mongoc_uri_t *uri,
	- const char *option_orig,
	- int64_t value)
	-{
	- const char *option;
	- bson_error_t error;
	- bool r;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- if (!mongoc_uri_option_is_int64 (option)) {
	- if (mongoc_uri_option_is_int32 (option_orig)) {
	- if (value >= INT32_MIN && value <= INT32_MAX) {
	- MONGOC_WARNING (
	- "Setting value for 32-bit option \"%s\" through 64-bit method",
	- option_orig);
	-
	- return mongoc_uri_set_option_as_int32 (
	- uri, option_orig, (int32_t) value);
	- }
	-
	- MONGOC_WARNING ("Unsupported value for \"%s\": %" PRId64
	- ", \"%s\" is not an int64 option",
	- option_orig,
	- value,
	- option);
	- return false;
	- }
	- }
	-
	- r = _mongoc_uri_set_option_as_int64_with_error (uri, option, value, &error);
	- if (!r) {
	- MONGOC_WARNING ("%s", error.message);
	- }
	-
	- return r;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_uri_set_option_as_int64_with_error --
	- *
	- * Same as mongoc_uri_set_option_as_int64, with error reporting.
	- *
	- * Precondition:
	- * mongoc_uri_option_is_int64(option) must be true.
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-static bool
	-_mongoc_uri_set_option_as_int64_with_error (mongoc_uri_t *uri,
	- const char *option_orig,
	- int64_t value,
	- bson_error_t *error)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	- char *option_lowercase = NULL;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	-
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option)) {
	- if (BSON_ITER_HOLDS_INT64 (&iter)) {
	- bson_iter_overwrite_int64 (&iter, value);
	- return true;
	- } else {
	- MONGOC_URI_ERROR (error,
	- "Cannot set URI option \"%s\" to %" PRId64
	- ", it already has "
	- "a non-64-bit integer value",
	- option,
	- value);
	- return false;
	- }
	- }
	-
	- option_lowercase = lowercase_str_new (option);
	- if (!bson_append_int64 (&uri->options, option_lowercase, -1, value)) {
	- bson_free (option_lowercase);
	- MONGOC_URI_ERROR (error,
	- "Failed to set URI option \"%s\" to %" PRId64,
	- option_orig,
	- value);
	-
	- return false;
	- }
	- bson_free (option_lowercase);
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_get_option_as_bool --
	- *
	- * Checks if the URI 'option' is set and of correct type (bool).
	- *
	- * If not set, or set to invalid type, 'fallback' is returned.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * The value of 'option' if available as bool, or 'fallback'.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_uri_get_option_as_bool (const mongoc_uri_t *uri,
	- const char *option_orig,
	- bool fallback)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option) &&
	- BSON_ITER_HOLDS_BOOL (&iter)) {
	- return bson_iter_bool (&iter);
	- }
	-
	- return fallback;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_set_option_as_bool --
	- *
	- * Sets a URI option 'after the fact'. Allows users to set individual
	- * URI options without passing them as a connection string.
	- *
	- * Only allows a set of known options to be set.
	- * @see mongoc_uri_option_is_bool ().
	- *
	- * Does in-place-update of the option BSON if 'option' is already set.
	- * Appends the option to the end otherwise.
	- *
	- * NOTE: If 'option' is already set, and is of invalid type, this
	- * function will return false.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_uri_set_option_as_bool (mongoc_uri_t *uri,
	- const char *option_orig,
	- bool value)
	-{
	- const char *option;
	- char *option_lowercase;
	- const bson_t *options;
	- bson_iter_t iter;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- BSON_ASSERT (option);
	-
	- if (!mongoc_uri_option_is_bool (option)) {
	- return false;
	- }
	-
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option)) {
	- if (BSON_ITER_HOLDS_BOOL (&iter)) {
	- bson_iter_overwrite_bool (&iter, value);
	- return true;
	- } else {
	- return false;
	- }
	- }
	- option_lowercase = lowercase_str_new (option);
	- bson_append_bool (&uri->options, option_lowercase, -1, value);
	- bson_free (option_lowercase);
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_get_option_as_utf8 --
	- *
	- * Checks if the URI 'option' is set and of correct type (utf8).
	- *
	- * If not set, or set to invalid type, 'fallback' is returned.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * The value of 'option' if available as utf8, or 'fallback'.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-const char *
	-mongoc_uri_get_option_as_utf8 (const mongoc_uri_t *uri,
	- const char *option_orig,
	- const char *fallback)
	-{
	- const char *option;
	- const bson_t *options;
	- bson_iter_t iter;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- if ((options = mongoc_uri_get_options (uri)) &&
	- bson_iter_init_find_case (&iter, options, option) &&
	- BSON_ITER_HOLDS_UTF8 (&iter)) {
	- return bson_iter_utf8 (&iter, NULL);
	- }
	-
	- return fallback;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * mongoc_uri_set_option_as_utf8 --
	- *
	- * Sets a URI option 'after the fact'. Allows users to set individual
	- * URI options without passing them as a connection string.
	- *
	- * Only allows a set of known options to be set.
	- * @see mongoc_uri_option_is_utf8 ().
	- *
	- * If the option is not already set, this function will append it to
	- *the end of the options bson. NOTE: If the option is already set the entire
	- *options bson will be overwritten, containing the new option=value
	- *(at the same position).
	- *
	- * NOTE: If 'option' is already set, and is of invalid type, this
	- * function will return false.
	- *
	- * NOTE: 'option' must be valid utf8.
	- *
	- * NOTE: 'option' is caseinsensitive.
	- *
	- * Returns:
	- * true on successfully setting the option, false on failure.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-bool
	-mongoc_uri_set_option_as_utf8 (mongoc_uri_t *uri,
	- const char *option_orig,
	- const char *value)
	-{
	- const char *option;
	- size_t len;
	- char *option_lowercase = NULL;
	-
	- option = mongoc_uri_canonicalize_option (option_orig);
	- BSON_ASSERT (option);
	-
	- len = strlen (value);
	-
	- if (!bson_utf8_validate (value, len, false)) {
	- return false;
	- }
	-
	- if (!mongoc_uri_option_is_utf8 (option)) {
	- return false;
	- }
	- if (!bson_strcasecmp (option, MONGOC_URI_APPNAME)) {
	- return mongoc_uri_set_appname (uri, value);
	- } else {
	- option_lowercase = lowercase_str_new (option);
	- mongoc_uri_bson_append_or_replace_key (
	- &uri->options, option_lowercase, value);
	- bson_free (option_lowercase);
	- }
	-
	- return true;
	-}
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_uri_requires_auth_negotiation --
	- *
	- * Returns true if auth mechanism is necessary for this uri. According
	- * to the auth spec: "If an application provides a username but does
	- * not provide an authentication mechanism, drivers MUST negotiate a
	- * mechanism".
	- *
	- * Returns:
	- * true if the driver should negotiate the auth mechanism for the uri
	- *
	- *--------------------------------------------------------------------------
	- */
	-bool
	-_mongoc_uri_requires_auth_negotiation (const mongoc_uri_t *uri)
	-{
	- return mongoc_uri_get_username (uri) && !mongoc_uri_get_auth_mechanism (uri);
	-}
	-
	-
	-/* A bit of a hack. Needed for multi mongos tests to create a URI with the same
	- * auth, SSL, and compressors settings but with only one specific host. */
	-mongoc_uri_t *
	-_mongoc_uri_copy_and_replace_host_list (const mongoc_uri_t *original,
	- const char *host)
	-{
	- mongoc_uri_t *uri = mongoc_uri_copy (original);
	- _mongoc_host_list_destroy_all (uri->hosts);
	- uri->hosts = bson_malloc0 (sizeof (mongoc_host_list_t));
	- _mongoc_host_list_from_string (uri->hosts, host);
	- return uri;
	-}
	-
	-bool
	-mongoc_uri_init_with_srv_host_list (mongoc_uri_t *uri,
	- mongoc_host_list_t *host_list,
	- bson_error_t *error)
	-{
	- mongoc_host_list_t *host;
	-
	- BSON_ASSERT (uri->is_srv);
	- BSON_ASSERT (!uri->hosts);
	-
	- LL_FOREACH (host_list, host)
	- {
	- if (!mongoc_uri_upsert_host_and_port (uri, host->host_and_port, error)) {
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-#ifdef MONGOC_ENABLE_CRYPTO
	-void
	-_mongoc_uri_init_scram (const mongoc_uri_t *uri,
	- mongoc_scram_t *scram,
	- mongoc_crypto_hash_algorithm_t algo)
	-{
	- BSON_ASSERT (uri);
	- BSON_ASSERT (scram);
	-
	- _mongoc_scram_init (scram, algo);
	-
	- _mongoc_scram_set_pass (scram, mongoc_uri_get_password (uri));
	- _mongoc_scram_set_user (scram, mongoc_uri_get_username (uri));
	-}
	-#endif
	-
	-bool
	-mongoc_uri_finalize_loadbalanced (const mongoc_uri_t uri, bson_error_t error)
	-{
	- if (!mongoc_uri_get_option_as_bool (uri, MONGOC_URI_LOADBALANCED, false)) {
	- return true;
	- }
	-
	- if (!uri->hosts \|\| (uri->hosts && uri->hosts->next)) {
	- MONGOC_URI_ERROR (error,
	- "URI with \"%s\" enabled must contain exactly one host",
	- MONGOC_URI_LOADBALANCED);
	- return false;
	- }
	-
	- if (mongoc_uri_has_option (uri, MONGOC_URI_REPLICASET)) {
	- MONGOC_URI_ERROR (
	- error,
	- "URI with \"%s\" enabled must not contain option \"%s\"",
	- MONGOC_URI_LOADBALANCED,
	- MONGOC_URI_REPLICASET);
	- return false;
	- }
	-
	- if (mongoc_uri_has_option (uri, MONGOC_URI_DIRECTCONNECTION) &&
	- mongoc_uri_get_option_as_bool (
	- uri, MONGOC_URI_DIRECTCONNECTION, false)) {
	- MONGOC_URI_ERROR (
	- error,
	- "URI with \"%s\" enabled must not contain option \"%s\" enabled",
	- MONGOC_URI_LOADBALANCED,
	- MONGOC_URI_DIRECTCONNECTION);
	- return false;
	- }
	-
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.h
	deleted file mode 100644
	index 96d8711e..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.h
	+++ /dev/null
	@@ -1,225 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_URI_H
	-#define MONGOC_URI_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongoc-macros.h"
	-#include "mongoc-host-list.h"
	-#include "mongoc-read-prefs.h"
	-#include "mongoc-read-concern.h"
	-#include "mongoc-write-concern.h"
	-#include "mongoc-config.h"
	-
	-
	-#ifndef MONGOC_DEFAULT_PORT
	-#define MONGOC_DEFAULT_PORT 27017
	-#endif
	-
	-#define MONGOC_URI_APPNAME "appname"
	-#define MONGOC_URI_AUTHMECHANISM "authmechanism"
	-#define MONGOC_URI_AUTHMECHANISMPROPERTIES "authmechanismproperties"
	-#define MONGOC_URI_AUTHSOURCE "authsource"
	-#define MONGOC_URI_CANONICALIZEHOSTNAME "canonicalizehostname"
	-#define MONGOC_URI_CONNECTTIMEOUTMS "connecttimeoutms"
	-#define MONGOC_URI_COMPRESSORS "compressors"
	-#define MONGOC_URI_DIRECTCONNECTION "directconnection"
	-#define MONGOC_URI_GSSAPISERVICENAME "gssapiservicename"
	-#define MONGOC_URI_HEARTBEATFREQUENCYMS "heartbeatfrequencyms"
	-#define MONGOC_URI_JOURNAL "journal"
	-#define MONGOC_URI_LOADBALANCED "loadbalanced"
	-#define MONGOC_URI_LOCALTHRESHOLDMS "localthresholdms"
	-#define MONGOC_URI_MAXIDLETIMEMS "maxidletimems"
	-#define MONGOC_URI_MAXPOOLSIZE "maxpoolsize"
	-#define MONGOC_URI_MAXSTALENESSSECONDS "maxstalenessseconds"
	-#define MONGOC_URI_MINPOOLSIZE "minpoolsize"
	-#define MONGOC_URI_READCONCERNLEVEL "readconcernlevel"
	-#define MONGOC_URI_READPREFERENCE "readpreference"
	-#define MONGOC_URI_READPREFERENCETAGS "readpreferencetags"
	-#define MONGOC_URI_REPLICASET "replicaset"
	-#define MONGOC_URI_RETRYREADS "retryreads"
	-#define MONGOC_URI_RETRYWRITES "retrywrites"
	-#define MONGOC_URI_SAFE "safe"
	-#define MONGOC_URI_SERVERSELECTIONTIMEOUTMS "serverselectiontimeoutms"
	-#define MONGOC_URI_SERVERSELECTIONTRYONCE "serverselectiontryonce"
	-#define MONGOC_URI_SLAVEOK "slaveok"
	-#define MONGOC_URI_SOCKETCHECKINTERVALMS "socketcheckintervalms"
	-#define MONGOC_URI_SOCKETTIMEOUTMS "sockettimeoutms"
	-#define MONGOC_URI_TLS "tls"
	-#define MONGOC_URI_TLSCERTIFICATEKEYFILE "tlscertificatekeyfile"
	-#define MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD "tlscertificatekeyfilepassword"
	-#define MONGOC_URI_TLSCAFILE "tlscafile"
	-#define MONGOC_URI_TLSALLOWINVALIDCERTIFICATES "tlsallowinvalidcertificates"
	-#define MONGOC_URI_TLSALLOWINVALIDHOSTNAMES "tlsallowinvalidhostnames"
	-#define MONGOC_URI_TLSINSECURE "tlsinsecure"
	-#define MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK \
	- "tlsdisablecertificaterevocationcheck"
	-#define MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK "tlsdisableocspendpointcheck"
	-#define MONGOC_URI_W "w"
	-#define MONGOC_URI_WAITQUEUEMULTIPLE "waitqueuemultiple"
	-#define MONGOC_URI_WAITQUEUETIMEOUTMS "waitqueuetimeoutms"
	-#define MONGOC_URI_WTIMEOUTMS "wtimeoutms"
	-#define MONGOC_URI_ZLIBCOMPRESSIONLEVEL "zlibcompressionlevel"
	-
	-/* Deprecated in MongoDB 4.2, use "tls" variants instead. */
	-#define MONGOC_URI_SSL "ssl"
	-#define MONGOC_URI_SSLCLIENTCERTIFICATEKEYFILE "sslclientcertificatekeyfile"
	-#define MONGOC_URI_SSLCLIENTCERTIFICATEKEYPASSWORD \
	- "sslclientcertificatekeypassword"
	-#define MONGOC_URI_SSLCERTIFICATEAUTHORITYFILE "sslcertificateauthorityfile"
	-#define MONGOC_URI_SSLALLOWINVALIDCERTIFICATES "sslallowinvalidcertificates"
	-#define MONGOC_URI_SSLALLOWINVALIDHOSTNAMES "sslallowinvalidhostnames"
	-
	-BSON_BEGIN_DECLS
	-
	-
	-typedef struct _mongoc_uri_t mongoc_uri_t;
	-
	-
	-MONGOC_EXPORT (mongoc_uri_t *)
	-mongoc_uri_copy (const mongoc_uri_t *uri) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (void)
	-mongoc_uri_destroy (mongoc_uri_t *uri);
	-MONGOC_EXPORT (mongoc_uri_t *)
	-mongoc_uri_new (const char *uri_string) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_uri_t *)
	-mongoc_uri_new_with_error (const char *uri_string,
	- bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (mongoc_uri_t *)
	-mongoc_uri_new_for_host_port (const char *hostname,
	- uint16_t port) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (const mongoc_host_list_t *)
	-mongoc_uri_get_hosts (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_service (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_database (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_database (mongoc_uri_t uri, const char database);
	-MONGOC_EXPORT (const bson_t *)
	-mongoc_uri_get_compressors (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const bson_t *)
	-mongoc_uri_get_options (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_password (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_password (mongoc_uri_t uri, const char password);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_has_option (const mongoc_uri_t uri, const char key);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_option_is_int32 (const char *key);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_option_is_int64 (const char *key);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_option_is_bool (const char *key);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_option_is_utf8 (const char *key);
	-MONGOC_EXPORT (int32_t)
	-mongoc_uri_get_option_as_int32 (const mongoc_uri_t *uri,
	- const char *option,
	- int32_t fallback);
	-MONGOC_EXPORT (int64_t)
	-mongoc_uri_get_option_as_int64 (const mongoc_uri_t *uri,
	- const char *option,
	- int64_t fallback);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_get_option_as_bool (const mongoc_uri_t *uri,
	- const char *option,
	- bool fallback);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_option_as_utf8 (const mongoc_uri_t *uri,
	- const char *option,
	- const char *fallback);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	- const char *option,
	- int32_t value);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_option_as_int64 (mongoc_uri_t *uri,
	- const char *option,
	- int64_t value);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_option_as_bool (mongoc_uri_t *uri,
	- const char *option,
	- bool value);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_option_as_utf8 (mongoc_uri_t *uri,
	- const char *option,
	- const char *value);
	-MONGOC_EXPORT (const bson_t *)
	-mongoc_uri_get_read_prefs (const mongoc_uri_t *uri)
	- BSON_GNUC_DEPRECATED_FOR (mongoc_uri_get_read_prefs_t);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_replica_set (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_string (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_username (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_username (mongoc_uri_t uri, const char username);
	-MONGOC_EXPORT (const bson_t *)
	-mongoc_uri_get_credentials (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_auth_source (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_auth_source (mongoc_uri_t uri, const char value);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_appname (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_appname (mongoc_uri_t uri, const char value);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_compressors (mongoc_uri_t uri, const char value);
	-MONGOC_EXPORT (const char *)
	-mongoc_uri_get_auth_mechanism (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_auth_mechanism (mongoc_uri_t uri, const char value);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_get_mechanism_properties (const mongoc_uri_t *uri,
	- bson_t *properties);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_set_mechanism_properties (mongoc_uri_t *uri,
	- const bson_t *properties);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_get_ssl (const mongoc_uri_t *uri)
	- BSON_GNUC_DEPRECATED_FOR (mongoc_uri_get_tls);
	-MONGOC_EXPORT (bool)
	-mongoc_uri_get_tls (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (char *)
	-mongoc_uri_unescape (const char *escaped_string) BSON_GNUC_WARN_UNUSED_RESULT;
	-MONGOC_EXPORT (const mongoc_read_prefs_t *)
	-mongoc_uri_get_read_prefs_t (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (void)
	-mongoc_uri_set_read_prefs_t (mongoc_uri_t *uri,
	- const mongoc_read_prefs_t *prefs);
	-MONGOC_EXPORT (const mongoc_write_concern_t *)
	-mongoc_uri_get_write_concern (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (void)
	-mongoc_uri_set_write_concern (mongoc_uri_t *uri,
	- const mongoc_write_concern_t *wc);
	-MONGOC_EXPORT (const mongoc_read_concern_t *)
	-mongoc_uri_get_read_concern (const mongoc_uri_t *uri);
	-MONGOC_EXPORT (void)
	-mongoc_uri_set_read_concern (mongoc_uri_t *uri,
	- const mongoc_read_concern_t *rc);
	-
	-BSON_END_DECLS
	-
	-
	-#endif /* MONGOC_URI_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util-private.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util-private.h
	deleted file mode 100644
	index 1a1bc522..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util-private.h
	+++ /dev/null
	@@ -1,162 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc-prelude.h"
	-
	-#ifndef MONGOC_UTIL_PRIVATE_H
	-#define MONGOC_UTIL_PRIVATE_H
	-
	-#include <bson/bson.h>
	-#include "mongoc.h"
	-
	-#ifdef BSON_HAVE_STRINGS_H
	-#include <strings.h>
	-#endif
	-
	-/* string comparison functions for Windows */
	-#ifdef _WIN32
	-#define strcasecmp _stricmp
	-#define strncasecmp _strnicmp
	-#endif
	-
	-#if BSON_GNUC_CHECK_VERSION(4, 6)
	-#define BEGIN_IGNORE_DEPRECATIONS \
	- _Pragma ("GCC diagnostic push") \
	- _Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
	-#define END_IGNORE_DEPRECATIONS _Pragma ("GCC diagnostic pop")
	-#elif defined(__clang__)
	-#define BEGIN_IGNORE_DEPRECATIONS \
	- _Pragma ("clang diagnostic push") \
	- _Pragma ("clang diagnostic ignored \"-Wdeprecated-declarations\"")
	-#define END_IGNORE_DEPRECATIONS _Pragma ("clang diagnostic pop")
	-#else
	-#define BEGIN_IGNORE_DEPRECATIONS
	-#define END_IGNORE_DEPRECATIONS
	-#endif
	-
	-#ifndef _WIN32
	-#define MONGOC_PRINTF_FORMAT(a, b) __attribute__ ((format (__printf__, a, b)))
	-#else
	-#define MONGOC_PRINTF_FORMAT(a, b) /* no-op */
	-#endif
	-
	-#define COALESCE(x, y) ((x == 0) ? (y) : (x))
	-
	-
	-/* Helper macros for stringifying things */
	-#define MONGOC_STR(s) #s
	-#define MONGOC_EVALUATE_STR(s) MONGOC_STR (s)
	-
	-BSON_BEGIN_DECLS
	-
	-extern const bson_validate_flags_t _mongoc_default_insert_vflags;
	-extern const bson_validate_flags_t _mongoc_default_replace_vflags;
	-extern const bson_validate_flags_t _mongoc_default_update_vflags;
	-
	-int
	-_mongoc_rand_simple (unsigned int *seed);
	-
	-char *
	-_mongoc_hex_md5 (const char *input);
	-
	-void
	-_mongoc_usleep (int64_t usec);
	-
	-/* Get the current time as a number of milliseconds since the Unix Epoch. */
	-int64_t
	-_mongoc_get_real_time_ms (void);
	-
	-const char *
	-_mongoc_get_command_name (const bson_t *command);
	-
	-const char *
	-_mongoc_get_documents_field_name (const char *command_name);
	-
	-bool
	-_mongoc_lookup_bool (const bson_t bson, const char key, bool default_value);
	-
	-/* Returns a database name that the caller must free. */
	-char *
	-_mongoc_get_db_name (const char *ns);
	-
	-void
	-_mongoc_bson_init_if_set (bson_t *bson);
	-
	-const char *
	-_mongoc_bson_type_to_str (bson_type_t t);
	-
	-bool
	-_mongoc_get_server_id_from_opts (const bson_t *opts,
	- mongoc_error_domain_t domain,
	- mongoc_error_code_t code,
	- uint32_t *server_id,
	- bson_error_t *error);
	-
	-bool
	-_mongoc_validate_new_document (const bson_t *insert,
	- bson_validate_flags_t vflags,
	- bson_error_t *error);
	-
	-bool
	-_mongoc_validate_replace (const bson_t *insert,
	- bson_validate_flags_t vflags,
	- bson_error_t *error);
	-
	-bool
	-_mongoc_validate_update (const bson_t *update,
	- bson_validate_flags_t vflags,
	- bson_error_t *error);
	-
	-void
	-mongoc_lowercase (const char src, char buf /* OUT */);
	-
	-bool
	-mongoc_parse_port (uint16_t port, const char str);
	-
	-void
	-_mongoc_bson_array_add_label (bson_t bson, const char label);
	-
	-void
	-_mongoc_bson_array_copy_labels_to (const bson_t reply, bson_t dst);
	-
	-void
	-_mongoc_bson_init_with_transient_txn_error (const mongoc_client_session_t *cs,
	- bson_t *reply);
	-
	-bool
	-_mongoc_document_is_pipeline (const bson_t *document);
	-
	-/*
	- *--------------------------------------------------------------------------
	- *
	- * _mongoc_getenv --
	- *
	- * Get the value of an environment variable.
	- *
	- * Returns:
	- * A string you must bson_free, or NULL if the variable is not set.
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-char *
	-_mongoc_getenv (const char *name);
	-
	-BSON_END_DECLS
	-
	-#endif /* MONGOC_UTIL_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util.c b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util.c
	deleted file mode 100644
	index 8d08c59e..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util.c
	+++ /dev/null
	@@ -1,628 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifdef _WIN32
	-#define _CRT_RAND_S
	-#endif
	-
	-#include <string.h>
	-
	-#include "common-md5-private.h"
	-#include "mongoc-util-private.h"
	-#include "mongoc-client.h"
	-#include "mongoc-client-session-private.h"
	-#include "mongoc-trace-private.h"
	-
	-const bson_validate_flags_t _mongoc_default_insert_vflags =
	- BSON_VALIDATE_UTF8 \| BSON_VALIDATE_UTF8_ALLOW_NULL \|
	- BSON_VALIDATE_EMPTY_KEYS;
	-
	-const bson_validate_flags_t _mongoc_default_replace_vflags =
	- BSON_VALIDATE_UTF8 \| BSON_VALIDATE_UTF8_ALLOW_NULL \|
	- BSON_VALIDATE_EMPTY_KEYS;
	-
	-const bson_validate_flags_t _mongoc_default_update_vflags =
	- BSON_VALIDATE_UTF8 \| BSON_VALIDATE_UTF8_ALLOW_NULL \|
	- BSON_VALIDATE_EMPTY_KEYS;
	-
	-int
	-_mongoc_rand_simple (unsigned int *seed)
	-{
	-#ifdef _WIN32
	- /* ignore the seed */
	- unsigned int ret = 0;
	- errno_t err;
	-
	- err = rand_s (&ret);
	- if (0 != err) {
	- MONGOC_ERROR ("rand_s failed: %s", strerror (err));
	- }
	-
	- return (int) ret;
	-#else
	- return rand_r (seed);
	-#endif
	-}
	-
	-
	-char *
	-_mongoc_hex_md5 (const char *input)
	-{
	- uint8_t digest[16];
	- bson_md5_t md5;
	- char digest_str[33];
	- int i;
	-
	- COMMON_PREFIX (_bson_md5_init (&md5));
	- COMMON_PREFIX (_bson_md5_append (
	- &md5, (const uint8_t *) input, (uint32_t) strlen (input)));
	- COMMON_PREFIX (_bson_md5_finish (&md5, digest));
	-
	- for (i = 0; i < sizeof digest; i++) {
	- bson_snprintf (&digest_str[i * 2], 3, "%02x", digest[i]);
	- }
	- digest_str[sizeof digest_str - 1] = '\0';
	-
	- return bson_strdup (digest_str);
	-}
	-
	-
	-void
	-_mongoc_usleep (int64_t usec)
	-{
	-#ifdef _WIN32
	- LARGE_INTEGER ft;
	- HANDLE timer;
	-
	- BSON_ASSERT (usec >= 0);
	-
	- ft.QuadPart = -(10 * usec);
	- timer = CreateWaitableTimer (NULL, true, NULL);
	- SetWaitableTimer (timer, &ft, 0, NULL, NULL, 0);
	- WaitForSingleObject (timer, INFINITE);
	- CloseHandle (timer);
	-#else
	- BSON_ASSERT (usec >= 0);
	- usleep ((useconds_t) usec);
	-#endif
	-}
	-
	-int64_t
	-_mongoc_get_real_time_ms (void)
	-{
	- struct timeval tv;
	- const bool rc = bson_gettimeofday (&tv);
	- if (rc != 0) {
	- return -1;
	- }
	- return tv.tv_sec * (int64_t) 1000 + tv.tv_usec / (int64_t) 1000;
	-}
	-
	-
	-const char *
	-_mongoc_get_command_name (const bson_t *command)
	-{
	- bson_iter_t iter;
	- const char *name;
	- bson_iter_t child;
	- const char *wrapper_name = NULL;
	-
	- BSON_ASSERT (command);
	-
	- if (!bson_iter_init (&iter, command) \|\| !bson_iter_next (&iter)) {
	- return NULL;
	- }
	-
	- name = bson_iter_key (&iter);
	-
	- /* wrapped in "$query" or "query"?
	- *
	- * {$query: {count: "collection"}, $readPreference: {...}}
	- */
	- if (name[0] == '$') {
	- wrapper_name = "$query";
	- } else if (!strcmp (name, "query")) {
	- wrapper_name = "query";
	- }
	-
	- if (wrapper_name && bson_iter_init_find (&iter, command, wrapper_name) &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter) && bson_iter_recurse (&iter, &child) &&
	- bson_iter_next (&child)) {
	- name = bson_iter_key (&child);
	- }
	-
	- return name;
	-}
	-
	-
	-const char *
	-_mongoc_get_documents_field_name (const char *command_name)
	-{
	- if (!strcmp (command_name, "insert")) {
	- return "documents";
	- }
	-
	- if (!strcmp (command_name, "update")) {
	- return "updates";
	- }
	-
	- if (!strcmp (command_name, "delete")) {
	- return "deletes";
	- }
	-
	- return NULL;
	-}
	-
	-bool
	-_mongoc_lookup_bool (const bson_t bson, const char key, bool default_value)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	-
	- if (!bson) {
	- return default_value;
	- }
	-
	- BSON_ASSERT (bson_iter_init (&iter, bson));
	- if (!bson_iter_find_descendant (&iter, key, &child)) {
	- return default_value;
	- }
	-
	- return bson_iter_as_bool (&child);
	-}
	-
	-char *
	-_mongoc_get_db_name (const char *ns)
	-{
	- size_t dblen;
	- const char *dot;
	-
	- BSON_ASSERT (ns);
	-
	- dot = strstr (ns, ".");
	-
	- if (dot) {
	- dblen = dot - ns;
	- return bson_strndup (ns, dblen);
	- } else {
	- return bson_strdup (ns);
	- }
	-}
	-
	-void
	-_mongoc_bson_init_if_set (bson_t *bson)
	-{
	- if (bson) {
	- bson_init (bson);
	- }
	-}
	-
	-const char *
	-_mongoc_bson_type_to_str (bson_type_t t)
	-{
	- switch (t) {
	- case BSON_TYPE_EOD:
	- return "EOD";
	- case BSON_TYPE_DOUBLE:
	- return "DOUBLE";
	- case BSON_TYPE_UTF8:
	- return "UTF8";
	- case BSON_TYPE_DOCUMENT:
	- return "DOCUMENT";
	- case BSON_TYPE_ARRAY:
	- return "ARRAY";
	- case BSON_TYPE_BINARY:
	- return "BINARY";
	- case BSON_TYPE_UNDEFINED:
	- return "UNDEFINED";
	- case BSON_TYPE_OID:
	- return "OID";
	- case BSON_TYPE_BOOL:
	- return "BOOL";
	- case BSON_TYPE_DATE_TIME:
	- return "DATE_TIME";
	- case BSON_TYPE_NULL:
	- return "NULL";
	- case BSON_TYPE_REGEX:
	- return "REGEX";
	- case BSON_TYPE_DBPOINTER:
	- return "DBPOINTER";
	- case BSON_TYPE_CODE:
	- return "CODE";
	- case BSON_TYPE_SYMBOL:
	- return "SYMBOL";
	- case BSON_TYPE_CODEWSCOPE:
	- return "CODEWSCOPE";
	- case BSON_TYPE_INT32:
	- return "INT32";
	- case BSON_TYPE_TIMESTAMP:
	- return "TIMESTAMP";
	- case BSON_TYPE_INT64:
	- return "INT64";
	- case BSON_TYPE_MAXKEY:
	- return "MAXKEY";
	- case BSON_TYPE_MINKEY:
	- return "MINKEY";
	- case BSON_TYPE_DECIMAL128:
	- return "DECIMAL128";
	- default:
	- return "Unknown";
	- }
	-}
	-
	-
	-/* Get "serverId" from opts. Sets *server_id to the serverId from "opts" or 0
	- * if absent. On error, fills out *error with domain and code and return false.
	- */
	-bool
	-_mongoc_get_server_id_from_opts (const bson_t *opts,
	- mongoc_error_domain_t domain,
	- mongoc_error_code_t code,
	- uint32_t *server_id,
	- bson_error_t *error)
	-{
	- bson_iter_t iter;
	-
	- ENTRY;
	-
	- BSON_ASSERT (server_id);
	-
	- *server_id = 0;
	-
	- if (!opts \|\| !bson_iter_init_find (&iter, opts, "serverId")) {
	- RETURN (true);
	- }
	-
	- if (!BSON_ITER_HOLDS_INT (&iter)) {
	- bson_set_error (
	- error, domain, code, "The serverId option must be an integer");
	- RETURN (false);
	- }
	-
	- if (bson_iter_as_int64 (&iter) <= 0) {
	- bson_set_error (error, domain, code, "The serverId option must be >= 1");
	- RETURN (false);
	- }
	-
	- *server_id = (uint32_t) bson_iter_as_int64 (&iter);
	-
	- RETURN (true);
	-}
	-
	-
	-bool
	-_mongoc_validate_new_document (const bson_t *doc,
	- bson_validate_flags_t vflags,
	- bson_error_t *error)
	-{
	- bson_error_t validate_err;
	-
	- if (vflags == BSON_VALIDATE_NONE) {
	- return true;
	- }
	-
	- if (!bson_validate_with_error (doc, vflags, &validate_err)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "invalid document for insert: %s",
	- validate_err.message);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-bool
	-_mongoc_validate_replace (const bson_t *doc,
	- bson_validate_flags_t vflags,
	- bson_error_t *error)
	-{
	- bson_error_t validate_err;
	- bson_iter_t iter;
	- const char *key;
	-
	- if (vflags == BSON_VALIDATE_NONE) {
	- return true;
	- }
	-
	- if (!bson_validate_with_error (doc, vflags, &validate_err)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "invalid argument for replace: %s",
	- validate_err.message);
	- return false;
	- }
	-
	- if (!bson_iter_init (&iter, doc)) {
	- bson_set_error (error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "replace document is corrupt");
	- return false;
	- }
	-
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	- if (key[0] == '$') {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Invalid key '%s': replace prohibits $ operators",
	- key);
	-
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-
	-bool
	-_mongoc_validate_update (const bson_t *update,
	- bson_validate_flags_t vflags,
	- bson_error_t *error)
	-{
	- bson_error_t validate_err;
	- bson_iter_t iter;
	- const char *key;
	-
	- if (vflags == BSON_VALIDATE_NONE) {
	- return true;
	- }
	-
	- if (!bson_validate_with_error (update, vflags, &validate_err)) {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "invalid argument for update: %s",
	- validate_err.message);
	- return false;
	- }
	-
	- if (_mongoc_document_is_pipeline (update)) {
	- return true;
	- }
	-
	- if (!bson_iter_init (&iter, update)) {
	- bson_set_error (error,
	- MONGOC_ERROR_BSON,
	- MONGOC_ERROR_BSON_INVALID,
	- "update document is corrupt");
	- return false;
	- }
	-
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	- if (key[0] != '$') {
	- bson_set_error (error,
	- MONGOC_ERROR_COMMAND,
	- MONGOC_ERROR_COMMAND_INVALID_ARG,
	- "Invalid key '%s': update only works with $ operators"
	- " and pipelines",
	- key);
	-
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-void
	-mongoc_lowercase (const char src, char buf /* OUT */)
	-{
	- for (; *src; ++src, ++buf) {
	- /* UTF8 non-ascii characters have a 1 at the leftmost bit. If this is the
	- * case, just copy */
	- if ((*src & (0x1 << 7)) == 0) {
	- buf = (char) tolower (src);
	- } else {
	- buf = src;
	- }
	- }
	-}
	-
	-bool
	-mongoc_parse_port (uint16_t port, const char str)
	-{
	- unsigned long ul_port;
	-
	- ul_port = strtoul (str, NULL, 10);
	-
	- if (ul_port == 0 \|\| ul_port > UINT16_MAX) {
	- /* Parse error or port number out of range. mongod prohibits port 0. */
	- return false;
	- }
	-
	- *port = (uint16_t) ul_port;
	- return true;
	-}
	-
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _mongoc_bson_array_add_label --
	- *
	- * Append an error label like "TransientTransactionError" to a BSON
	- * array iff the array does not already contain it.
	- *
	- * Side effects:
	- * Aborts if the array is invalid or contains non-string elements.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_bson_array_add_label (bson_t bson, const char label)
	-{
	- bson_iter_t iter;
	- char buf[16];
	- uint32_t i = 0;
	- const char *key;
	-
	- BSON_ASSERT (bson_iter_init (&iter, bson));
	- while (bson_iter_next (&iter)) {
	- if (!strcmp (bson_iter_utf8 (&iter, NULL), label)) {
	- /* already included once */
	- return;
	- }
	-
	- i++;
	- }
	-
	- bson_uint32_to_string (i, &key, buf, sizeof buf);
	- BSON_APPEND_UTF8 (bson, key, label);
	-}
	-
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _mongoc_bson_array_copy_labels_to --
	- *
	- * Copy error labels like "TransientTransactionError" from a server
	- * reply to a BSON array iff the array does not already contain it.
	- *
	- * Side effects:
	- * Aborts if @dst is invalid or contains non-string elements.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_bson_array_copy_labels_to (const bson_t reply, bson_t dst)
	-{
	- bson_iter_t iter;
	- bson_iter_t label;
	-
	- if (bson_iter_init_find (&iter, reply, "errorLabels")) {
	- BSON_ASSERT (bson_iter_recurse (&iter, &label));
	- while (bson_iter_next (&label)) {
	- if (BSON_ITER_HOLDS_UTF8 (&label)) {
	- _mongoc_bson_array_add_label (dst, bson_iter_utf8 (&label, NULL));
	- }
	- }
	- }
	-}
	-
	-
	-/*--------------------------------------------------------------------------
	- *
	- * _mongoc_bson_init_with_transient_txn_error --
	- *
	- * If @reply is not NULL, initialize it. If @cs is not NULL and in a
	- * transaction, add errorLabels: ["TransientTransactionError"] to @cs.
	- *
	- * Transactions Spec: TransientTransactionError includes "server
	- * selection error encountered running any command besides
	- * commitTransaction in a transaction. ...in the case of network errors
	- * or server selection errors where the client receives no server reply,
	- * the client adds the label."
	- *
	- * Side effects:
	- * None.
	- *
	- *--------------------------------------------------------------------------
	- */
	-
	-void
	-_mongoc_bson_init_with_transient_txn_error (const mongoc_client_session_t *cs,
	- bson_t *reply)
	-{
	- bson_t labels;
	-
	- if (!reply) {
	- return;
	- }
	-
	- bson_init (reply);
	-
	- if (_mongoc_client_session_in_txn (cs)) {
	- BSON_APPEND_ARRAY_BEGIN (reply, "errorLabels", &labels);
	- BSON_APPEND_UTF8 (&labels, "0", TRANSIENT_TXN_ERR);
	- bson_append_array_end (reply, &labels);
	- }
	-}
	-
	-bool
	-_mongoc_document_is_pipeline (const bson_t *document)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	- const char *key;
	- int i = 0;
	- char *i_str;
	-
	- if (!bson_iter_init (&iter, document)) {
	- return false;
	- }
	-
	- while (bson_iter_next (&iter)) {
	- key = bson_iter_key (&iter);
	- i_str = bson_strdup_printf ("%d", i++);
	-
	- if (strcmp (key, i_str)) {
	- bson_free (i_str);
	- return false;
	- }
	-
	- bson_free (i_str);
	-
	- if (BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- if (!bson_iter_recurse (&iter, &child)) {
	- return false;
	- }
	- if (!bson_iter_next (&child)) {
	- return false;
	- }
	- key = bson_iter_key (&child);
	- if (key[0] != '$') {
	- return false;
	- }
	- } else {
	- return false;
	- }
	- }
	-
	- /* should return false when the document is empty */
	- return i != 0;
	-}
	-
	-char *
	-_mongoc_getenv (const char *name)
	-{
	-#ifdef _MSC_VER
	- char buf[2048];
	- size_t buflen;
	-
	- if ((0 == getenv_s (&buflen, buf, sizeof buf, name)) && buflen) {
	- return bson_strdup (buf);
	- } else {
	- return NULL;
	- }
	-#else
	-
	- if (getenv (name) && strlen (getenv (name))) {
	- return bson_strdup (getenv (name));
	- } else {
	- return NULL;
	- }
	-
	-#endif
	-}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h b/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h
	deleted file mode 100644
	index eca3d245..00000000
	--- a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h
	+++ /dev/null
	@@ -1,102 +0,0 @@
	-/*
	- * Copyright 2013 MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#if !defined (MONGOC_INSIDE) && !defined (MONGOC_COMPILATION)
	-#error "Only <mongoc/mongoc.h> can be included directly."
	-#endif
	-
	-
	-#ifndef MONGOC_VERSION_H
	-#define MONGOC_VERSION_H
	-
	-
	-/**
	- * MONGOC_MAJOR_VERSION:
	- *
	- * MONGOC major version component (e.g. 1 if %MONGOC_VERSION is 1.2.3)
	- */
	-#define MONGOC_MAJOR_VERSION (1)
	-
	-
	-/**
	- * MONGOC_MINOR_VERSION:
	- *
	- * MONGOC minor version component (e.g. 2 if %MONGOC_VERSION is 1.2.3)
	- */
	-#define MONGOC_MINOR_VERSION (20)
	-
	-
	-/**
	- * MONGOC_MICRO_VERSION:
	- *
	- * MONGOC micro version component (e.g. 3 if %MONGOC_VERSION is 1.2.3)
	- */
	-#define MONGOC_MICRO_VERSION (0)
	-
	-
	-/**
	- * MONGOC_PRERELEASE_VERSION:
	- *
	- * MONGOC prerelease version component (e.g. pre if %MONGOC_VERSION is 1.2.3-pre)
	- */
	-#define MONGOC_PRERELEASE_VERSION ()
	-
	-
	-/**
	- * MONGOC_VERSION:
	- *
	- * MONGOC version.
	- */
	-#define MONGOC_VERSION (1.20.0)
	-
	-
	-/**
	- * MONGOC_VERSION_S:
	- *
	- * MONGOC version, encoded as a string, useful for printing and
	- * concatenation.
	- */
	-#define MONGOC_VERSION_S "1.20.0"
	-
	-
	-/**
	- * MONGOC_VERSION_HEX:
	- *
	- * MONGOC version, encoded as an hexadecimal number, useful for
	- * integer comparisons.
	- */
	-#define MONGOC_VERSION_HEX (MONGOC_MAJOR_VERSION << 24 \| \
	- MONGOC_MINOR_VERSION << 16 \| \
	- MONGOC_MICRO_VERSION << 8)
	-
	-
	-/**
	- * MONGOC_CHECK_VERSION:
	- * @major: required major version
	- * @minor: required minor version
	- * @micro: required micro version
	- *
	- * Compile-time version checking. Evaluates to %TRUE if the version
	- * of MONGOC is greater than the required one.
	- */
	-#define MONGOC_CHECK_VERSION(major,minor,micro) \
	- (MONGOC_MAJOR_VERSION > (major) \|\| \
	- (MONGOC_MAJOR_VERSION == (major) && MONGOC_MINOR_VERSION > (minor)) \|\| \
	- (MONGOC_MAJOR_VERSION == (major) && MONGOC_MINOR_VERSION == (minor) && \
	- MONGOC_MICRO_VERSION >= (micro)))
	-
	-#endif /* MONGOC_VERSION_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/crypto/cng.c b/mongodb-1.12.0/src/libmongocrypt/src/crypto/cng.c
	deleted file mode 100644
	index 34a97e66..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/crypto/cng.c
	+++ /dev/null
	@@ -1,318 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "../mongocrypt-crypto-private.h"
	-#include "../mongocrypt-private.h"
	-
	-#ifdef MONGOCRYPT_ENABLE_CRYPTO_CNG
	-
	-#include <bcrypt.h>
	-
	-static BCRYPT_ALG_HANDLE _algo_sha512_hmac = 0;
	-static BCRYPT_ALG_HANDLE _algo_aes256 = 0;
	-static DWORD _aes256_key_blob_length;
	-
	-static BCRYPT_ALG_HANDLE _random;
	-
	-#define STATUS_SUCCESS 0
	-
	-bool _native_crypto_initialized = false;
	-
	-void
	-_native_crypto_init ()
	-{
	- DWORD cbOutput;
	- NTSTATUS nt_status;
	-
	- /* Note, there is no mechanism for libmongocrypt to close these providers,
	- * If we ever add such a mechanism, call BCryptCloseAlgorithmProvider.
	- */
	- nt_status = BCryptOpenAlgorithmProvider (&_algo_sha512_hmac,
	- BCRYPT_SHA512_ALGORITHM,
	- MS_PRIMITIVE_PROVIDER,
	- BCRYPT_ALG_HANDLE_HMAC_FLAG);
	- if (nt_status != STATUS_SUCCESS) {
	- return;
	- }
	-
	- nt_status = BCryptOpenAlgorithmProvider (
	- &_algo_aes256, BCRYPT_AES_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
	- if (nt_status != STATUS_SUCCESS) {
	- return;
	- }
	-
	- nt_status = BCryptSetProperty (
	- _algo_aes256,
	- BCRYPT_CHAINING_MODE,
	- (PUCHAR) (BCRYPT_CHAIN_MODE_CBC),
	- (ULONG) (sizeof (wchar_t) * wcslen (BCRYPT_CHAIN_MODE_CBC)),
	- 0);
	- if (nt_status != STATUS_SUCCESS) {
	- return;
	- }
	-
	- cbOutput = sizeof (_aes256_key_blob_length);
	- nt_status = BCryptGetProperty (_algo_aes256,
	- BCRYPT_OBJECT_LENGTH,
	- (PUCHAR) (&_aes256_key_blob_length),
	- cbOutput,
	- &cbOutput,
	- 0);
	- if (nt_status != STATUS_SUCCESS) {
	- return;
	- }
	-
	- nt_status = BCryptOpenAlgorithmProvider (
	- &_random, BCRYPT_RNG_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
	- if (nt_status != STATUS_SUCCESS) {
	- return;
	- }
	-
	- _native_crypto_initialized = true;
	-}
	-
	-typedef struct {
	- unsigned char *key_object;
	- uint32_t key_object_length;
	-
	- BCRYPT_KEY_HANDLE key_handle;
	-
	- unsigned char *iv;
	- uint32_t iv_len;
	-} cng_encrypt_state;
	-
	-static void
	-_crypto_state_destroy (cng_encrypt_state *state);
	-
	-static cng_encrypt_state *
	-_crypto_state_init (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- mongocrypt_status_t *status)
	-{
	- cng_encrypt_state *state;
	- uint32_t keyBlobLength;
	- unsigned char *keyBlob;
	- BCRYPT_KEY_DATA_BLOB_HEADER blobHeader;
	- NTSTATUS nt_status;
	-
	- keyBlob = NULL;
	-
	- state = bson_malloc0 (sizeof (*state));
	- BSON_ASSERT (state);
	-
	- state->key_handle = INVALID_HANDLE_VALUE;
	-
	- /* Initialize key storage buffer */
	- state->key_object = bson_malloc0 (_aes256_key_blob_length);
	- BSON_ASSERT (state->key_object);
	-
	- state->key_object_length = _aes256_key_blob_length;
	-
	- /* Allocate temporary buffer for key import */
	- keyBlobLength = sizeof (BCRYPT_KEY_DATA_BLOB_HEADER) + key->len;
	- keyBlob = bson_malloc0 (keyBlobLength);
	- BSON_ASSERT (keyBlob);
	-
	-
	- blobHeader.dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
	- blobHeader.dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
	- blobHeader.cbKeyData = key->len;
	-
	- memcpy (keyBlob, &blobHeader, sizeof (BCRYPT_KEY_DATA_BLOB_HEADER));
	-
	- memcpy (keyBlob + sizeof (BCRYPT_KEY_DATA_BLOB_HEADER), key->data, key->len);
	-
	- nt_status = BCryptImportKey (_algo_aes256,
	- NULL,
	- BCRYPT_KEY_DATA_BLOB,
	- &(state->key_handle),
	- state->key_object,
	- state->key_object_length,
	- keyBlob,
	- keyBlobLength,
	- 0);
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("Import Key Failed: 0x%x", (int) nt_status);
	- goto fail;
	- }
	-
	- bson_free (keyBlob);
	-
	- state->iv = bson_malloc0 (iv->len);
	- BSON_ASSERT (state->iv);
	-
	- state->iv_len = iv->len;
	- memcpy (state->iv, iv->data, iv->len);
	-
	- return state;
	-fail:
	- _crypto_state_destroy (state);
	- bson_free (keyBlob);
	-
	- return NULL;
	-}
	-
	-
	-static void
	-_crypto_state_destroy (cng_encrypt_state *state)
	-{
	- if (state) {
	- /* Free the key handle before the key_object that contains it */
	- if (state->key_handle != INVALID_HANDLE_VALUE) {
	- BCryptDestroyKey (state->key_handle);
	- }
	-
	- bson_free (state->key_object);
	- bson_free (state->iv);
	- bson_free (state);
	- }
	-}
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_encrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- bool ret = false;
	- cng_encrypt_state *state = _crypto_state_init (key, iv, status);
	-
	- NTSTATUS nt_status;
	-
	- nt_status = BCryptEncrypt (state->key_handle,
	- (PUCHAR) (in->data),
	- in->len,
	- NULL,
	- state->iv,
	- state->iv_len,
	- out->data,
	- out->len,
	- bytes_written,
	- 0);
	-
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("error initializing cipher: 0x%x", (int) nt_status);
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- _crypto_state_destroy (state);
	- return ret;
	-}
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_decrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- bool ret = false;
	- cng_encrypt_state *state = _crypto_state_init (key, iv, status);
	-
	- NTSTATUS nt_status;
	-
	- nt_status = BCryptDecrypt (state->key_handle,
	- (PUCHAR) (in->data),
	- in->len,
	- NULL,
	- state->iv,
	- state->iv_len,
	- out->data,
	- out->len,
	- bytes_written,
	- 0);
	-
	-
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("error initializing cipher: 0x%x", (int) nt_status);
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- _crypto_state_destroy (state);
	- return ret;
	-}
	-
	-
	-bool
	-_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- bool ret = false;
	- BCRYPT_HASH_HANDLE hHash;
	- NTSTATUS nt_status;
	-
	- if (out->len != 64) {
	- CLIENT_ERR ("out does not contain 64 bytes");
	- return false;
	- }
	-
	- nt_status = BCryptCreateHash (_algo_sha512_hmac,
	- &hHash,
	- NULL,
	- 0,
	- (PUCHAR) key->data,
	- (ULONG) key->len,
	- 0);
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("error initializing hmac: 0x%x", (int) nt_status);
	- goto done;
	- }
	-
	- nt_status = BCryptHashData (hHash, (PUCHAR) in->data, (ULONG) in->len, 0);
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("error hashing data: 0x%x", (int) nt_status);
	- goto done;
	- }
	-
	- nt_status = BCryptFinishHash (hHash, out->data, out->len, 0);
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("error finishing hmac: 0x%x", (int) nt_status);
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- (void) BCryptDestroyHash (hHash);
	- return ret;
	-}
	-
	-
	-bool
	-_native_crypto_random (_mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	-{
	- NTSTATUS nt_status = BCryptGenRandom (_random, out->data, count, 0);
	- if (nt_status != STATUS_SUCCESS) {
	- CLIENT_ERR ("BCryptGenRandom Failed: 0x%x", (int) nt_status);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-#endif /* MONGOCRYPT_ENABLE_CRYPTO_CNG */
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/crypto/commoncrypto.c b/mongodb-1.12.0/src/libmongocrypt/src/crypto/commoncrypto.c
	deleted file mode 100644
	index ed964829..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/crypto/commoncrypto.c
	+++ /dev/null
	@@ -1,184 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "../mongocrypt-crypto-private.h"
	-#include "../mongocrypt-private.h"
	-
	-#ifdef MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO
	-
	-#include <CommonCrypto/CommonCryptor.h>
	-#include <CommonCrypto/CommonHMAC.h>
	-#include <CommonCrypto/CommonRandom.h>
	-
	-bool _native_crypto_initialized = false;
	-
	-void
	-_native_crypto_init ()
	-{
	- _native_crypto_initialized = true;
	-}
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_encrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- bool ret = false;
	- CCCryptorRef ctx = NULL;
	- CCCryptorStatus cc_status;
	- size_t intermediate_bytes_written;
	-
	- cc_status = CCCryptorCreate (kCCEncrypt,
	- kCCAlgorithmAES,
	- 0 /* defaults to CBC w/ no padding */,
	- key->data,
	- kCCKeySizeAES256,
	- iv->data,
	- &ctx);
	-
	- if (cc_status != kCCSuccess) {
	- CLIENT_ERR ("error initializing cipher: %d", (int) cc_status);
	- goto done;
	- }
	-
	- *bytes_written = 0;
	-
	- cc_status = CCCryptorUpdate (
	- ctx, in->data, in->len, out->data, out->len, &intermediate_bytes_written);
	- if (cc_status != kCCSuccess) {
	- CLIENT_ERR ("error encrypting: %d", (int) cc_status);
	- goto done;
	- }
	- *bytes_written = intermediate_bytes_written;
	-
	-
	- cc_status = CCCryptorFinal (ctx,
	- out->data + *bytes_written,
	- out->len - *bytes_written,
	- &intermediate_bytes_written);
	- *bytes_written += intermediate_bytes_written;
	-
	- if (cc_status != kCCSuccess) {
	- CLIENT_ERR ("error finalizing: %d", (int) cc_status);
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- CCCryptorRelease (ctx);
	- return ret;
	-}
	-
	-
	-/* Note, the decrypt function is almost exactly the same as the encrypt
	- * functions except for the kCCDecrypt and the error message. */
	-bool
	-_native_crypto_aes_256_cbc_decrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- bool ret = false;
	- CCCryptorRef ctx = NULL;
	- CCCryptorStatus cc_status;
	- size_t intermediate_bytes_written;
	-
	- cc_status = CCCryptorCreate (kCCDecrypt,
	- kCCAlgorithmAES,
	- 0 /* defaults to CBC w/ no padding */,
	- key->data,
	- kCCKeySizeAES256,
	- iv->data,
	- &ctx);
	-
	- if (cc_status != kCCSuccess) {
	- CLIENT_ERR ("error initializing cipher: %d", (int) cc_status);
	- goto done;
	- }
	-
	- *bytes_written = 0;
	- cc_status = CCCryptorUpdate (
	- ctx, in->data, in->len, out->data, out->len, &intermediate_bytes_written);
	- if (cc_status != kCCSuccess) {
	- CLIENT_ERR ("error decrypting: %d", (int) cc_status);
	- goto done;
	- }
	- *bytes_written = intermediate_bytes_written;
	-
	- cc_status = CCCryptorFinal (ctx,
	- out->data + *bytes_written,
	- out->len - *bytes_written,
	- &intermediate_bytes_written);
	- *bytes_written += intermediate_bytes_written;
	-
	- if (cc_status != kCCSuccess) {
	- CLIENT_ERR ("error finalizing: %d", (int) cc_status);
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- CCCryptorRelease (ctx);
	- return ret;
	-}
	-
	-
	-/* CCHmac functions don't return errors. */
	-bool
	-_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- CCHmacContext *ctx;
	-
	- if (out->len != MONGOCRYPT_HMAC_SHA512_LEN) {
	- CLIENT_ERR ("out does not contain %d bytes", MONGOCRYPT_HMAC_SHA512_LEN);
	- return false;
	- }
	-
	- ctx = bson_malloc0 (sizeof (*ctx));
	- BSON_ASSERT (ctx);
	-
	-
	- CCHmacInit (ctx, kCCHmacAlgSHA512, key->data, key->len);
	- CCHmacUpdate (ctx, in->data, in->len);
	- CCHmacFinal (ctx, out->data);
	- bson_free (ctx);
	- return true;
	-}
	-
	-
	-bool
	-_native_crypto_random (_mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	-{
	- CCRNGStatus ret = CCRandomGenerateBytes (out->data, (size_t) count);
	- if (ret != kCCSuccess) {
	- CLIENT_ERR ("failed to generate random iv: %d", (int) ret);
	- return false;
	- }
	- return true;
	-}
	-
	-#endif /* MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/crypto/libcrypto.c b/mongodb-1.12.0/src/libmongocrypt/src/crypto/libcrypto.c
	deleted file mode 100644
	index 61d1c0f6..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/crypto/libcrypto.c
	+++ /dev/null
	@@ -1,252 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-/*
	- * Comments in this implementation refer to:
	- * [MCGREW] https://tools.ietf.org/html/draft-mcgrew-aead-aes-cbc-hmac-sha2-05
	- */
	-
	-#include "../mongocrypt-crypto-private.h"
	-#include "../mongocrypt-private.h"
	-#include "../mongocrypt-log-private.h"
	-
	-#ifdef MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO
	-
	-#include <bson/bson.h>
	-
	-#include <openssl/crypto.h>
	-#include <openssl/evp.h>
	-#include <openssl/err.h>
	-#include <openssl/hmac.h>
	-#include <openssl/rand.h>
	-
	-#if OPENSSL_VERSION_NUMBER < 0x10100000L \|\| \
	- (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
	-EVP_CIPHER_CTX *
	-EVP_CIPHER_CTX_new (void)
	-{
	- return bson_malloc0 (sizeof (EVP_CIPHER_CTX));
	-}
	-
	-void
	-EVP_CIPHER_CTX_free (EVP_CIPHER_CTX *ctx)
	-{
	- EVP_CIPHER_CTX_cleanup (ctx);
	- bson_free (ctx);
	-}
	-
	-HMAC_CTX *
	-HMAC_CTX_new (void)
	-{
	- return bson_malloc0 (sizeof (HMAC_CTX));
	-}
	-
	-void
	-HMAC_CTX_free (HMAC_CTX *ctx)
	-{
	- HMAC_CTX_cleanup (ctx);
	- bson_free (ctx);
	-}
	-#endif
	-
	-bool _native_crypto_initialized = false;
	-
	-void
	-_native_crypto_init ()
	-{
	- _native_crypto_initialized = true;
	-}
	-
	-bool
	-_native_crypto_aes_256_cbc_encrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- const EVP_CIPHER *cipher;
	- EVP_CIPHER_CTX *ctx;
	- bool ret = false;
	- int intermediate_bytes_written;
	-
	- ctx = EVP_CIPHER_CTX_new ();
	- cipher = EVP_aes_256_cbc ();
	-
	- BSON_ASSERT (ctx);
	- BSON_ASSERT (cipher);
	- BSON_ASSERT (EVP_CIPHER_iv_length (cipher) == iv->len);
	- BSON_ASSERT (EVP_CIPHER_key_length (cipher) == key->len);
	- BSON_ASSERT (EVP_CIPHER_block_size (cipher) == 16);
	-
	- if (!EVP_EncryptInit_ex (
	- ctx, cipher, NULL /* engine */, key->data, iv->data)) {
	- CLIENT_ERR ("error initializing cipher: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- /* Disable the default OpenSSL padding. */
	- EVP_CIPHER_CTX_set_padding (ctx, 0);
	-
	- *bytes_written = 0;
	- if (!EVP_EncryptUpdate (
	- ctx, out->data, &intermediate_bytes_written, in->data, in->len)) {
	- CLIENT_ERR ("error encrypting: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- *bytes_written = (uint32_t) intermediate_bytes_written;
	-
	- if (!EVP_EncryptFinal_ex (ctx, out->data, &intermediate_bytes_written)) {
	- CLIENT_ERR ("error finalizing: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- *bytes_written += (uint32_t) intermediate_bytes_written;
	-
	- ret = true;
	-done:
	- EVP_CIPHER_CTX_free (ctx);
	- return ret;
	-}
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_decrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- const EVP_CIPHER *cipher;
	- EVP_CIPHER_CTX *ctx;
	- bool ret = false;
	- int intermediate_bytes_written;
	-
	- ctx = EVP_CIPHER_CTX_new ();
	- cipher = EVP_aes_256_cbc ();
	-
	- BSON_ASSERT (EVP_CIPHER_iv_length (cipher) == iv->len);
	- BSON_ASSERT (EVP_CIPHER_key_length (cipher) == key->len);
	- BSON_ASSERT (EVP_CIPHER_block_size (cipher) == MONGOCRYPT_BLOCK_SIZE);
	-
	- if (!EVP_DecryptInit_ex (
	- ctx, cipher, NULL /* engine */, key->data, iv->data)) {
	- CLIENT_ERR ("error initializing cipher: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- /* Disable padding. */
	- EVP_CIPHER_CTX_set_padding (ctx, 0);
	-
	- *bytes_written = 0;
	-
	- if (!EVP_DecryptUpdate (
	- ctx, out->data, &intermediate_bytes_written, in->data, in->len)) {
	- CLIENT_ERR ("error decrypting: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- *bytes_written = intermediate_bytes_written;
	-
	- if (!EVP_DecryptFinal_ex (ctx, out->data, &intermediate_bytes_written)) {
	- CLIENT_ERR ("error decrypting: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- *bytes_written += intermediate_bytes_written;
	-
	- ret = true;
	-done:
	- EVP_CIPHER_CTX_free (ctx);
	- return ret;
	-}
	-
	-
	-bool
	-_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- const EVP_MD *algo;
	- HMAC_CTX *ctx;
	- bool ret = false;
	-
	- ctx = HMAC_CTX_new ();
	- algo = EVP_sha512 ();
	- BSON_ASSERT (EVP_MD_block_size (algo) == 128);
	- BSON_ASSERT (EVP_MD_size (algo) == MONGOCRYPT_HMAC_SHA512_LEN);
	-
	- if (out->len != MONGOCRYPT_HMAC_SHA512_LEN) {
	- CLIENT_ERR ("out does not contain %d bytes", MONGOCRYPT_HMAC_SHA512_LEN);
	- return false;
	- }
	-
	- if (!HMAC_Init_ex (ctx, key->data, key->len, algo, NULL /* engine */)) {
	- CLIENT_ERR ("error initializing HMAC: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- if (!HMAC_Update (ctx, in->data, in->len)) {
	- CLIENT_ERR ("error updating HMAC: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- if (!HMAC_Final (ctx, out->data, NULL /* unused out len */)) {
	- CLIENT_ERR ("error finalizing: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- HMAC_CTX_free (ctx);
	- return ret;
	-}
	-
	-
	-bool
	-_native_crypto_random (_mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	-{
	- int ret = RAND_bytes (out->data, count);
	- /* From man page: "RAND_bytes() and RAND_priv_bytes() return 1 on success, -1
	- * if not supported by the current RAND method, or 0 on other failure. The
	- * error code can be obtained by ERR_get_error(3)" */
	- if (ret == -1) {
	- CLIENT_ERR ("secure random IV not supported: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- return false;
	- } else if (ret == 0) {
	- CLIENT_ERR ("failed to generate random IV: %s",
	- ERR_error_string (ERR_get_error (), NULL));
	- return false;
	- }
	- return true;
	-}
	-
	-#endif /* MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/crypto/none.c b/mongodb-1.12.0/src/libmongocrypt/src/crypto/none.c
	deleted file mode 100644
	index 04f75565..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/crypto/none.c
	+++ /dev/null
	@@ -1,79 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-/* everything is a no-op */
	-
	-#include "../mongocrypt-crypto-private.h"
	-#include "../mongocrypt-private.h"
	-
	-#ifndef MONGOCRYPT_ENABLE_CRYPTO
	-
	-bool _native_crypto_initialized = false;
	-
	-void
	-_native_crypto_init ()
	-{
	- _native_crypto_initialized = true;
	-}
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_encrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- CLIENT_ERR ("hook not set for aes_256_cbc_encrypt");
	- return false;
	-}
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_decrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- CLIENT_ERR ("hook not set for aes_256_cbc_decrypt");
	- return false;
	-}
	-
	-
	-bool
	-_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- CLIENT_ERR ("hook not set for hmac_sha_512");
	- return false;
	-}
	-
	-
	-bool
	-_native_crypto_random (_mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	-{
	- CLIENT_ERR ("hook not set for random");
	- return false;
	-}
	-
	-#endif /* MONGOCRYPT_ENABLE_CRYPTO */
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-crypto-private.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-crypto-private.h
	deleted file mode 100644
	index 93cf9a62..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-crypto-private.h
	+++ /dev/null
	@@ -1,168 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef MONGOCRYPT_CRYPTO_PRIVATE_H
	-#define MONGOCRYPT_CRYPTO_PRIVATE_H
	-
	-#include "mongocrypt.h"
	-#include "mongocrypt-buffer-private.h"
	-
	-#define MONGOCRYPT_KEY_LEN 96
	-#define MONGOCRYPT_IV_KEY_LEN 32
	-#define MONGOCRYPT_MAC_KEY_LEN 32
	-#define MONGOCRYPT_ENC_KEY_LEN 32
	-#define MONGOCRYPT_IV_LEN 16
	-#define MONGOCRYPT_HMAC_SHA512_LEN 64
	-#define MONGOCRYPT_HMAC_LEN 32
	-#define MONGOCRYPT_BLOCK_SIZE 16
	-
	-typedef struct {
	- int hooks_enabled;
	- mongocrypt_crypto_fn aes_256_cbc_encrypt;
	- mongocrypt_crypto_fn aes_256_cbc_decrypt;
	- mongocrypt_random_fn random;
	- mongocrypt_hmac_fn hmac_sha_512;
	- mongocrypt_hmac_fn hmac_sha_256;
	- mongocrypt_hash_fn sha_256;
	- void *ctx;
	-} _mongocrypt_crypto_t;
	-
	-uint32_t
	-_mongocrypt_calculate_ciphertext_len (uint32_t plaintext_len);
	-
	-uint32_t
	-_mongocrypt_calculate_plaintext_len (uint32_t ciphertext_len);
	-
	-bool
	-_mongocrypt_do_encryption (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *associated_data,
	- const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *plaintext,
	- _mongocrypt_buffer_t *ciphertext,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-bool
	-_mongocrypt_do_decryption (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *associated_data,
	- const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *ciphertext,
	- _mongocrypt_buffer_t *plaintext,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-bool
	-_mongocrypt_random (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status) MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-/* Returns 0 if equal, non-zero otherwise */
	-int
	-_mongocrypt_memequal (const void const b1, const void const b2, size_t len);
	-
	-
	-/*
	- * _mongocrypt_wrap_key encrypts a DEK with a KEK.
	-
	- * kek is an input Key Encryption Key.
	- * dek is an input Data Encryption Key.
	- * encrypted_dek the result of encrypting dek with kek.
	- * encrypted_dek is always initialized.
	- * Returns true if no error occurred.
	- * Returns false and sets @status if an error occurred.
	- */
	-bool
	-_mongocrypt_wrap_key (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *kek,
	- _mongocrypt_buffer_t *dek,
	- _mongocrypt_buffer_t *encrypted_dek,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-/*
	- * _mongocrypt_unwrap_key decrypts an encrypted DEK with a KEK.
	- *
	- * kek is an input Key Encryption Key.
	- * encrypted_dek is an input encrypted Data Encryption Key.
	- * dek is the result of decrypting encrypted_dek with kek.
	- * dek is always initialized.
	- * Returns true if no error occurred.
	- * Returns false and sets @status if an error occurred.
	- */
	-bool
	-_mongocrypt_unwrap_key (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *kek,
	- _mongocrypt_buffer_t *encrypted_dek,
	- _mongocrypt_buffer_t *dek,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-bool
	-_mongocrypt_calculate_deterministic_iv (
	- _mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *plaintext,
	- const _mongocrypt_buffer_t *associated_data,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status) MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-/* Crypto implementations must implement these functions. */
	-
	-/* This variable must be defined in implementation
	- files, and must be set to true when _crypto_init
	- is successful. */
	-extern bool _native_crypto_initialized;
	-
	-void
	-_native_crypto_init ();
	-
	-
	-bool
	-_native_crypto_aes_256_cbc_encrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-bool
	-_native_crypto_aes_256_cbc_decrypt (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-bool
	-_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-bool
	-_native_crypto_random (_mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-#endif /* MONGOCRYPT_CRYPTO_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-crypto.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-crypto.c
	deleted file mode 100644
	index 5fdc9ae4..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-crypto.c
	+++ /dev/null
	@@ -1,996 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-/*
	- * Comments in this implementation refer to:
	- * [MCGREW] https://tools.ietf.org/html/draft-mcgrew-aead-aes-cbc-hmac-sha2-05
	- */
	-
	-#include <bson/bson.h>
	-
	-#include "mongocrypt-binary-private.h"
	-#include "mongocrypt-buffer-private.h"
	-#include "mongocrypt-crypto-private.h"
	-#include "mongocrypt-log-private.h"
	-#include "mongocrypt-private.h"
	-#include "mongocrypt-status-private.h"
	-
	-#include <inttypes.h>
	-
	-/* Crypto primitives. These either call the native built in crypto primitives or
	- * user supplied hooks. */
	-static bool
	-_crypto_aes_256_cbc_encrypt (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *enc_key,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- if (enc_key->len != MONGOCRYPT_ENC_KEY_LEN) {
	- CLIENT_ERR ("invalid encryption key length");
	- return false;
	- }
	-
	- if (iv->len != MONGOCRYPT_IV_LEN) {
	- CLIENT_ERR ("invalid iv length");
	- return false;
	- }
	-
	- if (crypto->hooks_enabled) {
	- mongocrypt_binary_t enc_key_bin, iv_bin, out_bin, in_bin;
	- bool ret;
	-
	- _mongocrypt_buffer_to_binary (enc_key, &enc_key_bin);
	- _mongocrypt_buffer_to_binary (iv, &iv_bin);
	- _mongocrypt_buffer_to_binary (out, &out_bin);
	- _mongocrypt_buffer_to_binary (in, &in_bin);
	-
	- ret = crypto->aes_256_cbc_encrypt (crypto->ctx,
	- &enc_key_bin,
	- &iv_bin,
	- &in_bin,
	- &out_bin,
	- bytes_written,
	- status);
	- return ret;
	- }
	- return _native_crypto_aes_256_cbc_encrypt (
	- enc_key, iv, in, out, bytes_written, status);
	-}
	-
	-
	-static bool
	-_crypto_aes_256_cbc_decrypt (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *enc_key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- if (enc_key->len != MONGOCRYPT_ENC_KEY_LEN) {
	- CLIENT_ERR ("invalid encryption key length");
	- return false;
	- }
	-
	- if (crypto->hooks_enabled) {
	- mongocrypt_binary_t enc_key_bin, iv_bin, out_bin, in_bin;
	- bool ret;
	-
	- _mongocrypt_buffer_to_binary (enc_key, &enc_key_bin);
	- _mongocrypt_buffer_to_binary (iv, &iv_bin);
	- _mongocrypt_buffer_to_binary (out, &out_bin);
	- _mongocrypt_buffer_to_binary (in, &in_bin);
	-
	- ret = crypto->aes_256_cbc_decrypt (crypto->ctx,
	- &enc_key_bin,
	- &iv_bin,
	- &in_bin,
	- &out_bin,
	- bytes_written,
	- status);
	- return ret;
	- }
	- return _native_crypto_aes_256_cbc_decrypt (
	- enc_key, iv, in, out, bytes_written, status);
	-}
	-
	-
	-static bool
	-_crypto_hmac_sha_512 (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *hmac_key,
	- const _mongocrypt_buffer_t *in,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- if (hmac_key->len != MONGOCRYPT_MAC_KEY_LEN) {
	- CLIENT_ERR ("invalid hmac key length");
	- return false;
	- }
	-
	- if (out->len != MONGOCRYPT_HMAC_SHA512_LEN) {
	- CLIENT_ERR ("out does not contain %d bytes", MONGOCRYPT_HMAC_SHA512_LEN);
	- return false;
	- }
	-
	- if (crypto->hooks_enabled) {
	- mongocrypt_binary_t hmac_key_bin, out_bin, in_bin;
	- bool ret;
	-
	- _mongocrypt_buffer_to_binary (hmac_key, &hmac_key_bin);
	- _mongocrypt_buffer_to_binary (out, &out_bin);
	- _mongocrypt_buffer_to_binary (in, &in_bin);
	-
	- ret = crypto->hmac_sha_512 (
	- crypto->ctx, &hmac_key_bin, &in_bin, &out_bin, status);
	- return ret;
	- }
	- return _native_crypto_hmac_sha_512 (hmac_key, in, out, status);
	-}
	-
	-
	-static bool
	-_crypto_random (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	-{
	- if (out->len != count) {
	- CLIENT_ERR ("out does not contain %u bytes", count);
	- return false;
	- }
	-
	- if (crypto->hooks_enabled) {
	- mongocrypt_binary_t out_bin;
	-
	- _mongocrypt_buffer_to_binary (out, &out_bin);
	- return crypto->random (crypto->ctx, &out_bin, count, status);
	- }
	- return _native_crypto_random (out, count, status);
	-}
	-
	-
	-/*
	- * Secure memcmp copied from the C driver.
	- */
	-int
	-_mongocrypt_memequal (const void const b1, const void const b2, size_t len)
	-{
	- const unsigned char p1 = b1, p2 = b2;
	- int ret = 0;
	-
	- for (; len > 0; len--) {
	- ret \|= p1++ ^ p2++;
	- }
	-
	- return ret;
	-}
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _mongocrypt_calculate_ciphertext_len --
	- *
	- * For a given plaintext length, return the length of the ciphertext.
	- * This includes IV and HMAC.
	- *
	- * To compute that I'm following section 2.3 in [MCGREW]:
	- * L = 16 * ( floor(M / 16) + 2)
	- * This formula includes space for the IV, but not the sha512 HMAC.
	- * Add 32 for the sha512 HMAC.
	- *
	- * Parameters:
	- * @plaintext_len then length of the plaintext.
	- *
	- * Returns:
	- * The calculated length of the ciphertext.
	- *
	- * ----------------------------------------------------------------------------
	- */
	-uint32_t
	-_mongocrypt_calculate_ciphertext_len (uint32_t plaintext_len)
	-{
	- return 16 * ((plaintext_len / 16) + 2) + MONGOCRYPT_HMAC_LEN;
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _mongocrypt_calculate_plaintext_len --
	- *
	- * For a given ciphertext length, return the length of the plaintext.
	- * This excludes the IV and HMAC, but includes the padding.
	- *
	- * Parameters:
	- * @ciphertext_len then length of the ciphertext.
	- *
	- * Returns:
	- * The calculated length of the plaintext.
	- *
	- * ----------------------------------------------------------------------------
	- */
	-uint32_t
	-_mongocrypt_calculate_plaintext_len (uint32_t ciphertext_len)
	-{
	- BSON_ASSERT (ciphertext_len >= MONGOCRYPT_HMAC_LEN + MONGOCRYPT_IV_LEN +
	- MONGOCRYPT_BLOCK_SIZE);
	- return ciphertext_len - (MONGOCRYPT_IV_LEN + MONGOCRYPT_HMAC_LEN);
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _aes256_cbc_encrypt --
	- *
	- * Encrypts using AES256 CBC using a secret key and a known IV.
	- *
	- * Parameters:
	- * @iv a 16 byte IV.
	- * @enc_key a 32 byte key.
	- * @plaintext the plaintext to encrypt.
	- * @ciphertext the resulting ciphertext.
	- * @bytes_written a location for the resulting number of bytes written into
	- * ciphertext->data.
	- * @status set on error.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. ciphertext->data has been pre-allocated with enough space for the
	- * resulting ciphertext.
	- *
	- * Postconditions:
	- * 1. bytes_written is set to the length of the written ciphertext. This
	- * is the same as _mongocrypt_calculate_ciphertext_len (plaintext->len).
	- *
	- * ----------------------------------------------------------------------------
	- */
	-static bool
	-_encrypt_step (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *enc_key,
	- const _mongocrypt_buffer_t *plaintext,
	- _mongocrypt_buffer_t *ciphertext,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- uint32_t unaligned;
	- uint32_t padding_byte;
	- _mongocrypt_buffer_t intermediates[2];
	- _mongocrypt_buffer_t to_encrypt;
	- uint8_t final_block_storage[MONGOCRYPT_BLOCK_SIZE];
	- bool ret = false;
	-
	- _mongocrypt_buffer_init (&to_encrypt);
	-
	- BSON_ASSERT (bytes_written);
	- *bytes_written = 0;
	-
	- if (MONGOCRYPT_IV_LEN != iv->len) {
	- CLIENT_ERR ("IV should have length %d, but has length %d",
	- MONGOCRYPT_IV_LEN,
	- iv->len);
	- goto done;
	- }
	-
	- if (MONGOCRYPT_ENC_KEY_LEN != enc_key->len) {
	- CLIENT_ERR ("Encryption key should have length %d, but has length %d",
	- MONGOCRYPT_ENC_KEY_LEN,
	- enc_key->len);
	- goto done;
	- }
	-
	- /* calculate how many extra bytes there are after a block boundary */
	- unaligned = plaintext->len % MONGOCRYPT_BLOCK_SIZE;
	-
	- /* Some crypto providers disallow variable length inputs, and require
	- * the input to be a multiple of the block size. So add everything up
	- * to but excluding the last block if not block aligned, then add
	- * the last block with padding. */
	- _mongocrypt_buffer_init (&intermediates[0]);
	- _mongocrypt_buffer_init (&intermediates[1]);
	- intermediates[0].data = (uint8_t *) plaintext->data;
	- intermediates[0].len = plaintext->len - unaligned;
	- intermediates[1].data = final_block_storage;
	- intermediates[1].len = sizeof (final_block_storage);
	-
	- /* [MCGREW]: "Prior to CBC encryption, the plaintext P is padded by appending
	- * a padding string PS to that data, to ensure that len(P \|\| PS) is a
	- * multiple of 128". This is also known as PKCS #7 padding. */
	- if (unaligned) {
	- /* Copy the unaligned bytes. */
	- memcpy (intermediates[1].data,
	- plaintext->data + (plaintext->len - unaligned),
	- unaligned);
	- /* Fill the rest with the padding byte. */
	- padding_byte = MONGOCRYPT_BLOCK_SIZE - unaligned;
	- memset (intermediates[1].data + unaligned, padding_byte, padding_byte);
	- } else {
	- /* Fill the rest with the padding byte. */
	- padding_byte = MONGOCRYPT_BLOCK_SIZE;
	- memset (intermediates[1].data, padding_byte, padding_byte);
	- }
	-
	- if (!_mongocrypt_buffer_concat (&to_encrypt, intermediates, 2)) {
	- CLIENT_ERR ("failed to allocate buffer");
	- goto done;
	- }
	-
	- if (!_crypto_aes_256_cbc_encrypt (crypto,
	- enc_key,
	- iv,
	- &to_encrypt,
	- ciphertext,
	- bytes_written,
	- status)) {
	- goto done;
	- }
	-
	-
	- if (*bytes_written % MONGOCRYPT_BLOCK_SIZE != 0) {
	- CLIENT_ERR ("encryption failure, wrote %d bytes, not a multiple of %d",
	- *bytes_written,
	- MONGOCRYPT_BLOCK_SIZE);
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- _mongocrypt_buffer_cleanup (&to_encrypt);
	- return ret;
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _hmac_sha512 --
	- *
	- * Compute the SHA512 HMAC with a secret key.
	- *
	- * Parameters:
	- * @mac_key a 32 byte key.
	- * @associated_data associated data to add into the HMAC. This may be
	- * an empty buffer.
	- * @ciphertext the ciphertext to add into the HMAC.
	- * @out a location for the resulting HMAC tag.
	- * @status set on error.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. out->data has been pre-allocated with at least 64 bytes.
	- *
	- * Postconditions:
	- * 1. out->data will have a 64 byte tag appended.
	- *
	- * ----------------------------------------------------------------------------
	- */
	-static bool
	-_hmac_step (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *mac_key,
	- const _mongocrypt_buffer_t *associated_data,
	- const _mongocrypt_buffer_t *ciphertext,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- _mongocrypt_buffer_t intermediates[3];
	- _mongocrypt_buffer_t to_hmac;
	- uint64_t associated_data_len_be;
	- uint8_t tag_storage[64];
	- _mongocrypt_buffer_t tag;
	- bool ret = false;
	-
	- _mongocrypt_buffer_init (&to_hmac);
	-
	- if (MONGOCRYPT_MAC_KEY_LEN != mac_key->len) {
	- CLIENT_ERR ("HMAC key wrong length: %d", mac_key->len);
	- goto done;
	- }
	-
	- if (out->len != MONGOCRYPT_HMAC_LEN) {
	- CLIENT_ERR ("out wrong length: %d", out->len);
	- goto done;
	- }
	-
	- /* [MCGREW]:
	- * """
	- * 4. The octet string AL is equal to the number of bits in A expressed as a
	- * 64-bit unsigned integer in network byte order.
	- * 5. A message authentication tag T is computed by applying HMAC [RFC2104]
	- * to the following data, in order:
	- * the associated data A,
	- * the ciphertext S computed in the previous step, and
	- * the octet string AL defined above.
	- * """
	- */
	-
	- /* Add associated data. */
	- _mongocrypt_buffer_init (&intermediates[0]);
	- _mongocrypt_buffer_init (&intermediates[1]);
	- _mongocrypt_buffer_init (&intermediates[2]);
	- intermediates[0].data = associated_data->data;
	- intermediates[0].len = associated_data->len;
	- /* Add ciphertext. */
	- intermediates[1].data = ciphertext->data;
	- intermediates[1].len = ciphertext->len;
	- /* Add associated data length in bits. */
	- associated_data_len_be = 8 * (uint64_t) associated_data->len;
	- associated_data_len_be = BSON_UINT64_TO_BE (associated_data_len_be);
	- intermediates[2].data = (uint8_t *) &associated_data_len_be;
	- intermediates[2].len = sizeof (uint64_t);
	- tag.data = tag_storage;
	- tag.len = sizeof (tag_storage);
	-
	-
	- if (!_mongocrypt_buffer_concat (&to_hmac, intermediates, 3)) {
	- CLIENT_ERR ("failed to allocate buffer");
	- goto done;
	- }
	- if (!_crypto_hmac_sha_512 (crypto, mac_key, &to_hmac, &tag, status)) {
	- goto done;
	- }
	-
	- /* [MCGREW 2.7] "The HMAC-SHA-512 value is truncated to T_LEN=32 octets" */
	- memcpy (out->data, tag.data, MONGOCRYPT_HMAC_LEN);
	- ret = true;
	-done:
	- _mongocrypt_buffer_cleanup (&to_hmac);
	- return ret;
	-}
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _mongocrypt_do_encryption --
	- *
	- * Defer encryption to whichever crypto library libmongocrypt is using.
	- *
	- * Parameters:
	- * @iv a 16 byte IV.
	- * @associated_data associated data for the HMAC. May be NULL.
	- * @key a 96 byte key.
	- * @plaintext the plaintext to encrypt.
	- * @ciphertext a location for the resulting ciphertext and HMAC tag.
	- * @bytes_written a location for the resulting bytes written.
	- * @status set on error.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. ciphertext->data has been pre-allocated with enough space for the
	- * resulting ciphertext. Use _mongocrypt_calculate_ciphertext_len.
	- *
	- * Postconditions:
	- * 1. bytes_written is set to the length of the written ciphertext. This
	- * is the same as _mongocrypt_calculate_ciphertext_len (plaintext->len).
	- *
	- * ----------------------------------------------------------------------------
	- */
	-bool
	-_mongocrypt_do_encryption (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *associated_data,
	- const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *plaintext,
	- _mongocrypt_buffer_t *ciphertext,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- _mongocrypt_buffer_t mac_key = {0}, enc_key = {0}, intermediate = {0},
	- intermediate_hmac = {0}, empty_buffer = {0};
	- uint32_t intermediate_bytes_written = 0;
	-
	- memset (ciphertext->data, 0, ciphertext->len);
	-
	- BSON_ASSERT (iv);
	- BSON_ASSERT (key);
	- BSON_ASSERT (plaintext);
	- BSON_ASSERT (ciphertext);
	- if (ciphertext->len !=
	- _mongocrypt_calculate_ciphertext_len (plaintext->len)) {
	- CLIENT_ERR ("output ciphertext should have been allocated with %d bytes",
	- _mongocrypt_calculate_ciphertext_len (plaintext->len));
	- return false;
	- }
	-
	- *bytes_written = 0;
	-
	- if (MONGOCRYPT_IV_LEN != iv->len) {
	- CLIENT_ERR ("IV should have length %d, but has length %d",
	- MONGOCRYPT_IV_LEN,
	- iv->len);
	- return false;
	- }
	- if (MONGOCRYPT_KEY_LEN != key->len) {
	- CLIENT_ERR ("key should have length %d, but has length %d",
	- MONGOCRYPT_KEY_LEN,
	- key->len);
	- return false;
	- }
	-
	- intermediate.len = ciphertext->len;
	- intermediate.data = ciphertext->data;
	-
	- /* [MCGREW]: Step 1. "MAC_KEY consists of the initial MAC_KEY_LEN octets of
	- * K, in order. ENC_KEY consists of the final ENC_KEY_LEN octets of K, in
	- * order." */
	- mac_key.data = (uint8_t *) key->data;
	- mac_key.len = MONGOCRYPT_MAC_KEY_LEN;
	- enc_key.data = (uint8_t *) key->data + MONGOCRYPT_MAC_KEY_LEN;
	- enc_key.len = MONGOCRYPT_ENC_KEY_LEN;
	-
	- /* Prepend the IV. */
	- memcpy (intermediate.data, iv->data, iv->len);
	- intermediate.data += iv->len;
	- intermediate.len -= iv->len;
	- *bytes_written += iv->len;
	-
	- /* [MCGREW]: Steps 2 & 3. */
	- if (!_encrypt_step (crypto,
	- iv,
	- &enc_key,
	- plaintext,
	- &intermediate,
	- &intermediate_bytes_written,
	- status)) {
	- return false;
	- }
	-
	- *bytes_written += intermediate_bytes_written;
	-
	- /* Append the HMAC tag. */
	- intermediate_hmac.data = ciphertext->data + *bytes_written;
	- intermediate_hmac.len = MONGOCRYPT_HMAC_LEN;
	-
	- intermediate.data = ciphertext->data;
	- intermediate.len = *bytes_written;
	-
	- /* [MCGREW]: Steps 4 & 5, compute the HMAC. */
	- if (!_hmac_step (crypto,
	- &mac_key,
	- associated_data ? associated_data : &empty_buffer,
	- &intermediate,
	- &intermediate_hmac,
	- status)) {
	- return false;
	- }
	-
	- *bytes_written += MONGOCRYPT_HMAC_LEN;
	- return true;
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _aes256_cbc_decrypt --
	- *
	- * Decrypts using AES256 CBC using a secret key and a known IV.
	- *
	- * Parameters:
	- * @enc_key a 32 byte key.
	- * @ciphertext the ciphertext to decrypt.
	- * @plaintext the resulting plaintext.
	- * @bytes_written a location for the resulting number of bytes written into
	- * plaintext->data.
	- * @status set on error.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. plaintext->data has been pre-allocated with enough space for the
	- * resulting plaintext.
	- *
	- * Postconditions:
	- * 1. bytes_written is set to the length of the written plaintext, excluding
	- * padding. This may be less than
	- * _mongocrypt_calculate_plaintext_len (ciphertext->len).
	- *
	- * ----------------------------------------------------------------------------
	- */
	-static bool
	-_decrypt_step (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *iv,
	- const _mongocrypt_buffer_t *enc_key,
	- const _mongocrypt_buffer_t *ciphertext,
	- _mongocrypt_buffer_t *plaintext,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- uint8_t padding_byte;
	-
	- BSON_ASSERT (bytes_written);
	- *bytes_written = 0;
	-
	- if (MONGOCRYPT_IV_LEN != iv->len) {
	- CLIENT_ERR ("IV should have length %d, but has length %d",
	- MONGOCRYPT_IV_LEN,
	- iv->len);
	- return false;
	- }
	- if (MONGOCRYPT_ENC_KEY_LEN != enc_key->len) {
	- CLIENT_ERR ("encryption key should have length %d, but has length %d",
	- MONGOCRYPT_ENC_KEY_LEN,
	- enc_key->len);
	- return false;
	- }
	-
	-
	- if (ciphertext->len % MONGOCRYPT_BLOCK_SIZE > 0) {
	- CLIENT_ERR ("error, ciphertext length is not a multiple of block size");
	- return false;
	- }
	-
	- if (!_crypto_aes_256_cbc_decrypt (
	- crypto, iv, enc_key, ciphertext, plaintext, bytes_written, status)) {
	- return false;
	- }
	-
	- padding_byte = plaintext->data[*bytes_written - 1];
	- if (padding_byte > 16) {
	- CLIENT_ERR ("error, ciphertext malformed padding");
	- return false;
	- }
	- *bytes_written -= padding_byte;
	- return true;
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _mongocrypt_do_decryption --
	- *
	- * Defer decryption to whichever crypto library libmongocrypt is using.
	- *
	- * Parameters:
	- * @associated_data associated data for the HMAC. May be NULL.
	- * @key a 96 byte key.
	- * @ciphertext the ciphertext to decrypt. This contains the IV prepended.
	- * @plaintext a location for the resulting plaintext.
	- * @bytes_written a location for the resulting bytes written.
	- * @status set on error.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. plaintext->data has been pre-allocated with enough space for the
	- * resulting plaintext and padding. See _mongocrypt_calculate_plaintext_len.
	- *
	- * Postconditions:
	- * 1. bytes_written is set to the length of the written plaintext, excluding
	- * padding. This may be less than
	- * _mongocrypt_calculate_plaintext_len (ciphertext->len).
	- *
	- * ----------------------------------------------------------------------------
	- */
	-bool
	-_mongocrypt_do_decryption (_mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *associated_data,
	- const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *ciphertext,
	- _mongocrypt_buffer_t *plaintext,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status)
	-{
	- bool ret = false;
	- _mongocrypt_buffer_t mac_key = {0}, enc_key = {0}, intermediate = {0},
	- hmac_tag = {0}, iv = {0}, empty_buffer = {0};
	- uint8_t hmac_tag_storage[MONGOCRYPT_HMAC_LEN];
	-
	- BSON_ASSERT (key);
	- BSON_ASSERT (ciphertext);
	- BSON_ASSERT (plaintext);
	- BSON_ASSERT (bytes_written);
	- BSON_ASSERT (status);
	-
	- if (plaintext->len !=
	- _mongocrypt_calculate_plaintext_len (ciphertext->len)) {
	- CLIENT_ERR ("output plaintext should have been allocated with %d bytes, "
	- "but has: %d",
	- _mongocrypt_calculate_plaintext_len (ciphertext->len),
	- plaintext->len);
	- return false;
	- }
	-
	- if (MONGOCRYPT_KEY_LEN != key->len) {
	- CLIENT_ERR ("key should have length %d, but has length %d",
	- MONGOCRYPT_KEY_LEN,
	- key->len);
	- return false;
	- }
	-
	- if (ciphertext->len <
	- MONGOCRYPT_HMAC_LEN + MONGOCRYPT_IV_LEN + MONGOCRYPT_BLOCK_SIZE) {
	- CLIENT_ERR ("corrupt ciphertext - must be > %d bytes",
	- MONGOCRYPT_HMAC_LEN + MONGOCRYPT_IV_LEN +
	- MONGOCRYPT_BLOCK_SIZE);
	- goto done;
	- }
	-
	- mac_key.data = (uint8_t *) key->data;
	- mac_key.len = MONGOCRYPT_MAC_KEY_LEN;
	- enc_key.data = (uint8_t *) key->data + MONGOCRYPT_MAC_KEY_LEN;
	- enc_key.len = MONGOCRYPT_ENC_KEY_LEN;
	-
	- iv.data = ciphertext->data;
	- iv.len = MONGOCRYPT_IV_LEN;
	-
	- intermediate.data = (uint8_t *) ciphertext->data;
	- intermediate.len = ciphertext->len - MONGOCRYPT_HMAC_LEN;
	-
	- hmac_tag.data = hmac_tag_storage;
	- hmac_tag.len = MONGOCRYPT_HMAC_LEN;
	-
	- /* [MCGREW 2.2]: Step 3: HMAC check. */
	- if (!_hmac_step (crypto,
	- &mac_key,
	- associated_data ? associated_data : &empty_buffer,
	- &intermediate,
	- &hmac_tag,
	- status)) {
	- goto done;
	- }
	-
	- /* [MCGREW] "using a comparison routine that takes constant time". */
	- if (0 != _mongocrypt_memequal (hmac_tag.data,
	- ciphertext->data +
	- (ciphertext->len - MONGOCRYPT_HMAC_LEN),
	- MONGOCRYPT_HMAC_LEN)) {
	- CLIENT_ERR ("HMAC validation failure");
	- goto done;
	- }
	-
	- /* Decrypt data excluding IV + HMAC. */
	- intermediate.data = (uint8_t *) ciphertext->data + MONGOCRYPT_IV_LEN;
	- intermediate.len =
	- ciphertext->len - (MONGOCRYPT_IV_LEN + MONGOCRYPT_HMAC_LEN);
	-
	- if (!_decrypt_step (crypto,
	- &iv,
	- &enc_key,
	- &intermediate,
	- plaintext,
	- bytes_written,
	- status)) {
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- return ret;
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _mongocrypt_random --
	- *
	- * Generates a string of random bytes.
	- *
	- * Parameters:
	- * @out an output buffer that has been pre-allocated.
	- * @status set on error.
	- * @count the size of the random string in bytes.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. out has been pre-allocated with at least 'count' bytes of space.
	- *
	- * ----------------------------------------------------------------------------
	- */
	-bool
	-_mongocrypt_random (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status)
	-{
	- BSON_ASSERT (out);
	- BSON_ASSERT (status);
	- if (count != out->len) {
	- CLIENT_ERR (
	- "out should have length %d, but has length %d", count, out->len);
	- return false;
	- }
	-
	- return _crypto_random (crypto, out, count, status);
	-}
	-
	-
	-/* ----------------------------------------------------------------------------
	- *
	- * _mongocrypt_calculate_deterministic_iv --
	- *
	- * Compute the IV for deterministic encryption from the plaintext and IV
	- * key by using HMAC function.
	- *
	- * Parameters:
	- * @key the 96 byte key. The last 32 represent the IV key.
	- * @plaintext the plaintext to be encrypted.
	- * @associated_data associated data to include in the HMAC.
	- * @out an output buffer that has been pre-allocated.
	- * @status set on error.
	- *
	- * Returns:
	- * True on success. On error, sets @status and returns false.
	- *
	- * Preconditions:
	- * 1. out has been pre-allocated with at least MONGOCRYPT_IV_LEN bytes.
	- *
	- * ----------------------------------------------------------------------------
	- */
	-bool
	-_mongocrypt_calculate_deterministic_iv (
	- _mongocrypt_crypto_t *crypto,
	- const _mongocrypt_buffer_t *key,
	- const _mongocrypt_buffer_t *plaintext,
	- const _mongocrypt_buffer_t *associated_data,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- _mongocrypt_buffer_t intermediates[3];
	- _mongocrypt_buffer_t to_hmac;
	- _mongocrypt_buffer_t iv_key;
	- uint64_t associated_data_len_be;
	- uint8_t tag_storage[64];
	- _mongocrypt_buffer_t tag;
	- bool ret = false;
	-
	- _mongocrypt_buffer_init (&to_hmac);
	-
	- BSON_ASSERT (key);
	- BSON_ASSERT (plaintext);
	- BSON_ASSERT (associated_data);
	- BSON_ASSERT (out);
	- BSON_ASSERT (status);
	-
	- if (MONGOCRYPT_KEY_LEN != key->len) {
	- CLIENT_ERR ("key should have length %d, but has length %d\n",
	- MONGOCRYPT_KEY_LEN,
	- key->len);
	- goto done;
	- }
	- if (MONGOCRYPT_IV_LEN != out->len) {
	- CLIENT_ERR ("out should have length %d, but has length %d\n",
	- MONGOCRYPT_IV_LEN,
	- out->len);
	- goto done;
	- }
	-
	- _mongocrypt_buffer_init (&iv_key);
	- iv_key.data = key->data + MONGOCRYPT_ENC_KEY_LEN + MONGOCRYPT_MAC_KEY_LEN;
	- iv_key.len = MONGOCRYPT_IV_KEY_LEN;
	-
	- _mongocrypt_buffer_init (&intermediates[0]);
	- _mongocrypt_buffer_init (&intermediates[1]);
	- _mongocrypt_buffer_init (&intermediates[2]);
	- /* Add associated data. */
	- intermediates[0].data = associated_data->data;
	- intermediates[0].len = associated_data->len;
	- /* Add associated data length in bits. */
	- associated_data_len_be = 8 * (uint64_t) associated_data->len;
	- associated_data_len_be = BSON_UINT64_TO_BE (associated_data_len_be);
	- intermediates[1].data = (uint8_t *) &associated_data_len_be;
	- intermediates[1].len = sizeof (uint64_t);
	- /* Add plaintext. */
	- intermediates[2].data = (uint8_t *) plaintext->data;
	- intermediates[2].len = plaintext->len;
	-
	- tag.data = tag_storage;
	- tag.len = sizeof (tag_storage);
	-
	- if (!_mongocrypt_buffer_concat (&to_hmac, intermediates, 3)) {
	- CLIENT_ERR ("failed to allocate buffer");
	- goto done;
	- }
	-
	- if (!_crypto_hmac_sha_512 (crypto, &iv_key, &to_hmac, &tag, status)) {
	- goto done;
	- }
	-
	- /* Truncate to IV length */
	- memcpy (out->data, tag.data, MONGOCRYPT_IV_LEN);
	-
	- ret = true;
	-done:
	- _mongocrypt_buffer_cleanup (&to_hmac);
	- return ret;
	-}
	-
	-bool
	-_mongocrypt_wrap_key (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *kek,
	- _mongocrypt_buffer_t *dek,
	- _mongocrypt_buffer_t *encrypted_dek,
	- mongocrypt_status_t *status)
	-{
	- uint32_t bytes_written;
	- _mongocrypt_buffer_t iv = {0};
	- bool ret = false;
	-
	- _mongocrypt_buffer_init (encrypted_dek);
	-
	- if (dek->len != MONGOCRYPT_KEY_LEN) {
	- CLIENT_ERR ("data encryption key is incorrect length, expected: %" PRIu32
	- ", got: %" PRIu32,
	- MONGOCRYPT_KEY_LEN,
	- dek->len);
	- goto done;
	- }
	-
	- _mongocrypt_buffer_resize (encrypted_dek,
	- _mongocrypt_calculate_ciphertext_len (dek->len));
	- _mongocrypt_buffer_resize (&iv, MONGOCRYPT_IV_LEN);
	-
	- if (!_mongocrypt_random (crypto, &iv, MONGOCRYPT_IV_LEN, status)) {
	- goto done;
	- }
	-
	- if (!_mongocrypt_do_encryption (crypto,
	- &iv,
	- NULL /* associated data. */,
	- kek,
	- dek,
	- encrypted_dek,
	- &bytes_written,
	- status)) {
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- _mongocrypt_buffer_cleanup (&iv);
	- return ret;
	-}
	-
	-bool
	-_mongocrypt_unwrap_key (_mongocrypt_crypto_t *crypto,
	- _mongocrypt_buffer_t *kek,
	- _mongocrypt_buffer_t *encrypted_dek,
	- _mongocrypt_buffer_t *dek,
	- mongocrypt_status_t *status)
	-{
	- uint32_t bytes_written;
	-
	- _mongocrypt_buffer_init (dek);
	- _mongocrypt_buffer_resize (
	- dek, _mongocrypt_calculate_plaintext_len (encrypted_dek->len));
	-
	- if (!_mongocrypt_do_decryption (crypto,
	- NULL /* associated data. */,
	- kek,
	- encrypted_dek,
	- dek,
	- &bytes_written,
	- status)) {
	- return false;
	- }
	- dek->len = bytes_written;
	-
	- if (dek->len != MONGOCRYPT_KEY_LEN) {
	- CLIENT_ERR ("decrypted key is incorrect length, expected: %" PRIu32
	- ", got: %" PRIu32,
	- MONGOCRYPT_KEY_LEN,
	- dek->len);
	- return false;
	- }
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-datakey.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-datakey.c
	deleted file mode 100644
	index ce83de9a..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-datakey.c
	+++ /dev/null
	@@ -1,494 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongocrypt.h"
	-#include "mongocrypt-private.h"
	-#include "mongocrypt-ctx-private.h"
	-#include "mongocrypt-crypto-private.h"
	-
	-static void
	-_cleanup (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_datakey_t *dkctx;
	-
	- dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	- _mongocrypt_buffer_cleanup (&dkctx->key_doc);
	- _mongocrypt_kms_ctx_cleanup (&dkctx->kms);
	- _mongocrypt_buffer_cleanup (&dkctx->encrypted_key_material);
	- _mongocrypt_buffer_cleanup (&dkctx->plaintext_key_material);
	- _mongocrypt_buffer_cleanup (&dkctx->kmip_secretdata);
	- bson_free ((void *) dkctx->kmip_unique_identifier);
	-}
	-
	-static mongocrypt_kms_ctx_t *
	-_next_kms_ctx (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_datakey_t *dkctx;
	-
	- dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	- if (dkctx->kms_returned) {
	- return NULL;
	- }
	- dkctx->kms_returned = true;
	- return &dkctx->kms;
	-}
	-
	-static bool
	-_kms_kmip_start (mongocrypt_ctx_t *ctx)
	-{
	- bool ret = false;
	- _mongocrypt_ctx_datakey_t dkctx = (_mongocrypt_ctx_datakey_t ) ctx;
	- char *user_supplied_keyid = NULL;
	- _mongocrypt_endpoint_t *endpoint = NULL;
	- mongocrypt_status_t *status = ctx->status;
	- _mongocrypt_buffer_t secretdata = {0};
	-
	- if (ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_KMIP) {
	- CLIENT_ERR ("KMS provider is not KMIP");
	- goto fail;
	- }
	-
	- user_supplied_keyid = ctx->opts.kek.provider.kmip.key_id;
	-
	- if (ctx->opts.kek.provider.kmip.endpoint) {
	- endpoint = ctx->opts.kek.provider.kmip.endpoint;
	- } else if (ctx->crypt->opts.kms_provider_kmip.endpoint) {
	- endpoint = ctx->crypt->opts.kms_provider_kmip.endpoint;
	- } else {
	- CLIENT_ERR ("endpoint not set for KMIP request");
	- goto fail;
	- }
	-
	- /* The KMIP createDataKey flow is the following:
	- *
	- * 1. Send a KMIP Register request with a new 96 byte key as a SecretData
	- * managed object. This returns a Unique Identifier.
	- * 2. Send a KMIP Activate request with the Unique Identifier.
	- * This returns the same Unique Identifier.
	- * 3. Send a KMIP Get request with the Unique Identifier.
	- * This returns the 96 byte SecretData.
	- * 4. Use the 96 byte SecretData to encrypt a new DEK.
	- *
	- * If the user set a 'keyId' to use, the flow begins at step 3.
	- */
	-
	- if (user_supplied_keyid && !dkctx->kmip_unique_identifier) {
	- /* User set a 'keyId'. */
	- dkctx->kmip_unique_identifier = bson_strdup (user_supplied_keyid);
	- dkctx->kmip_activated = true;
	- /* Fall through to Step 3. */
	- }
	-
	- if (!dkctx->kmip_unique_identifier) {
	- /* User did not set a 'keyId'. */
	- /* Step 1. Send a KMIP Register request with a new 96 byte SecretData. */
	- _mongocrypt_buffer_init (&secretdata);
	- _mongocrypt_buffer_resize (&secretdata, MONGOCRYPT_KEY_LEN);
	- if (!_mongocrypt_random (ctx->crypt->crypto,
	- &secretdata,
	- MONGOCRYPT_KEY_LEN,
	- ctx->status)) {
	- goto fail;
	- }
	-
	- if (!_mongocrypt_kms_ctx_init_kmip_register (&dkctx->kms,
	- endpoint,
	- secretdata.data,
	- secretdata.len,
	- &ctx->crypt->log)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- goto fail;
	- }
	-
	- ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	- goto success;
	- }
	-
	- if (!dkctx->kmip_activated) {
	- /* Step 2. Send a KMIP Activate request. */
	- if (!_mongocrypt_kms_ctx_init_kmip_activate (
	- &dkctx->kms,
	- endpoint,
	- dkctx->kmip_unique_identifier,
	- &ctx->crypt->log)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- goto fail;
	- }
	- ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	- goto success;
	- }
	-
	- if (!dkctx->kmip_secretdata.data) {
	- /* Step 3. Send a KMIP Get request with the Unique Identifier. */
	- if (!_mongocrypt_kms_ctx_init_kmip_get (&dkctx->kms,
	- endpoint,
	- dkctx->kmip_unique_identifier,
	- &ctx->crypt->log)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- goto fail;
	- }
	- ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	- goto success;
	- }
	-
	- /* Step 4. Use the 96 byte SecretData to encrypt a new DEK. */
	- if (!_mongocrypt_wrap_key (ctx->crypt->crypto,
	- &dkctx->kmip_secretdata,
	- &dkctx->plaintext_key_material,
	- &dkctx->encrypted_key_material,
	- ctx->status)) {
	- goto fail;
	- }
	-
	- if (!ctx->opts.kek.provider.kmip.key_id) {
	- /* If there was no user supplied key_id, set it from the
	- * UniqueIdentifer of the newly registered SecretData. */
	- ctx->opts.kek.provider.kmip.key_id =
	- bson_strdup (dkctx->kmip_unique_identifier);
	- }
	- ctx->state = MONGOCRYPT_CTX_READY;
	-
	-success:
	- ret = true;
	-fail:
	- if (!ret) {
	- _mongocrypt_ctx_fail (ctx);
	- }
	- _mongocrypt_buffer_cleanup (&secretdata);
	- return ret;
	-}
	-
	-/* For local, immediately encrypt.
	- * For AWS, create the KMS request to encrypt.
	- * For Azure/GCP, auth first if needed, otherwise encrypt.
	- */
	-static bool
	-_kms_start (mongocrypt_ctx_t *ctx)
	-{
	- bool ret = false;
	- _mongocrypt_ctx_datakey_t *dkctx;
	- char *access_token = NULL;
	-
	- dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	-
	- /* Clear out any pre-existing initialized KMS context, and zero it (so it is
	- * safe to call cleanup again). */
	- _mongocrypt_kms_ctx_cleanup (&dkctx->kms);
	- memset (&dkctx->kms, 0, sizeof (dkctx->kms));
	- dkctx->kms_returned = false;
	- if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_LOCAL) {
	- if (!_mongocrypt_wrap_key (ctx->crypt->crypto,
	- &ctx->crypt->opts.kms_provider_local.key,
	- &dkctx->plaintext_key_material,
	- &dkctx->encrypted_key_material,
	- ctx->status)) {
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	- ctx->state = MONGOCRYPT_CTX_READY;
	- } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_AWS) {
	- /* For AWS provider, AWS credentials are supplied in
	- * mongocrypt_setopt_kms_provider_aws. Data keys are encrypted with an
	- * "encrypt" HTTP message to KMS. */
	- if (!_mongocrypt_kms_ctx_init_aws_encrypt (&dkctx->kms,
	- &ctx->crypt->opts,
	- &ctx->opts,
	- &dkctx->plaintext_key_material,
	- &ctx->crypt->log,
	- ctx->crypt->crypto)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	-
	- ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	- } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_AZURE) {
	- access_token =
	- _mongocrypt_cache_oauth_get (ctx->crypt->cache_oauth_azure);
	- if (access_token) {
	- if (!_mongocrypt_kms_ctx_init_azure_wrapkey (
	- &dkctx->kms,
	- &ctx->crypt->log,
	- &ctx->crypt->opts,
	- &ctx->opts,
	- access_token,
	- &dkctx->plaintext_key_material)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	- } else {
	- if (!_mongocrypt_kms_ctx_init_azure_auth (
	- &dkctx->kms,
	- &ctx->crypt->log,
	- &ctx->crypt->opts,
	- ctx->opts.kek.provider.azure.key_vault_endpoint)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	- }
	- ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	- } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_GCP) {
	- access_token = _mongocrypt_cache_oauth_get (ctx->crypt->cache_oauth_gcp);
	- if (access_token) {
	- if (!_mongocrypt_kms_ctx_init_gcp_encrypt (
	- &dkctx->kms,
	- &ctx->crypt->log,
	- &ctx->crypt->opts,
	- &ctx->opts,
	- access_token,
	- &dkctx->plaintext_key_material)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	- } else {
	- if (!_mongocrypt_kms_ctx_init_gcp_auth (
	- &dkctx->kms,
	- &ctx->crypt->log,
	- &ctx->crypt->opts,
	- ctx->opts.kek.provider.gcp.endpoint)) {
	- mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	- }
	- ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	- } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_KMIP) {
	- if (!_kms_kmip_start (ctx)) {
	- goto done;
	- }
	- } else {
	- _mongocrypt_ctx_fail_w_msg (ctx, "unsupported KMS provider");
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- bson_free (access_token);
	- return ret;
	-}
	-
	-static bool
	-_kms_done (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_datakey_t *dkctx;
	- mongocrypt_status_t *status;
	-
	- dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	- status = ctx->status;
	- if (!mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- if (mongocrypt_kms_ctx_bytes_needed (&dkctx->kms) != 0) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "KMS response unfinished");
	- }
	-
	- /* If this was an oauth request, store the response and proceed to encrypt.
	- */
	- if (dkctx->kms.req_type == MONGOCRYPT_KMS_AZURE_OAUTH) {
	- bson_t oauth_response;
	-
	- BSON_ASSERT (
	- _mongocrypt_buffer_to_bson (&dkctx->kms.result, &oauth_response));
	- if (!_mongocrypt_cache_oauth_add (
	- ctx->crypt->cache_oauth_azure, &oauth_response, status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- return _kms_start (ctx);
	- } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_GCP_OAUTH) {
	- bson_t oauth_response;
	-
	- BSON_ASSERT (
	- _mongocrypt_buffer_to_bson (&dkctx->kms.result, &oauth_response));
	- if (!_mongocrypt_cache_oauth_add (
	- ctx->crypt->cache_oauth_gcp, &oauth_response, status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- return _kms_start (ctx);
	- } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_KMIP_REGISTER) {
	- dkctx->kmip_unique_identifier =
	- bson_strdup ((const char *) dkctx->kms.result.data);
	- return _kms_start (ctx);
	- } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_KMIP_ACTIVATE) {
	- dkctx->kmip_activated = true;
	- return _kms_start (ctx);
	- } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_KMIP_GET) {
	- _mongocrypt_buffer_copy_to (&dkctx->kms.result, &dkctx->kmip_secretdata);
	- return _kms_start (ctx);
	- }
	-
	- /* Store the result. */
	- if (!_mongocrypt_kms_ctx_result (&dkctx->kms,
	- &dkctx->encrypted_key_material)) {
	- BSON_ASSERT (!mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status));
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- /* The encrypted key material must be at least as large as the plaintext. */
	- if (dkctx->encrypted_key_material.len < MONGOCRYPT_KEY_LEN) {
	- return _mongocrypt_ctx_fail_w_msg (ctx,
	- "key material not expected length");
	- }
	-
	- ctx->state = MONGOCRYPT_CTX_READY;
	- return true;
	-}
	-
	-/* Append a UUID _id. Confer with libmongoc's `_mongoc_server_session_uuid`. */
	-static bool
	-_append_id (mongocrypt_t crypt, bson_t bson, mongocrypt_status_t *status)
	-{
	- _mongocrypt_buffer_t uuid;
	-#define UUID_LEN 16
	-
	- _mongocrypt_buffer_init (&uuid);
	- uuid.data = bson_malloc (UUID_LEN);
	- BSON_ASSERT (uuid.data);
	-
	- uuid.len = UUID_LEN;
	- uuid.subtype = BSON_SUBTYPE_UUID;
	- uuid.owned = true;
	-
	- if (!_mongocrypt_random (crypt->crypto, &uuid, UUID_LEN, status)) {
	- _mongocrypt_buffer_cleanup (&uuid);
	- return false;
	- }
	-
	- uuid.data[6] = (uint8_t) (0x40 \| (uuid.data[6] & 0xf));
	- uuid.data[8] = (uint8_t) (0x80 \| (uuid.data[8] & 0x3f));
	- if (!_mongocrypt_buffer_append (&uuid, bson, "_id", 3)) {
	- _mongocrypt_buffer_cleanup (&uuid);
	- return false;
	- }
	-
	- _mongocrypt_buffer_cleanup (&uuid);
	-
	- return true;
	-}
	-
	-static bool
	-_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- _mongocrypt_ctx_datakey_t *dkctx;
	- bson_t key_doc, child;
	- struct timeval tp;
	-
	-#define BSON_CHECK(_stmt) \
	- if (!(_stmt)) { \
	- bson_destroy (&key_doc); \
	- return _mongocrypt_ctx_fail_w_msg (ctx, "unable to construct BSON doc"); \
	- }
	-
	- dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	-
	- bson_init (&key_doc);
	- if (!_append_id (ctx->crypt, &key_doc, ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- if (ctx->opts.key_alt_names) {
	- _mongocrypt_key_alt_name_t *alt_name = ctx->opts.key_alt_names;
	- int i;
	-
	- bson_append_array_begin (&key_doc, "keyAltNames", -1, &child);
	- for (i = 0; alt_name; i++) {
	- char *key = bson_strdup_printf ("%d", i);
	- bson_append_value (&child, key, -1, &alt_name->value);
	- bson_free (key);
	- alt_name = alt_name->next;
	- }
	- bson_append_array_end (&key_doc, &child);
	- }
	- if (!_mongocrypt_buffer_append (&dkctx->encrypted_key_material,
	- &key_doc,
	- MONGOCRYPT_STR_AND_LEN ("keyMaterial"))) {
	- bson_destroy (&key_doc);
	- return _mongocrypt_ctx_fail_w_msg (ctx, "could not append keyMaterial");
	- }
	- bson_gettimeofday (&tp);
	- BSON_CHECK (bson_append_timeval (
	- &key_doc, MONGOCRYPT_STR_AND_LEN ("creationDate"), &tp));
	- BSON_CHECK (bson_append_timeval (
	- &key_doc, MONGOCRYPT_STR_AND_LEN ("updateDate"), &tp));
	- BSON_CHECK (bson_append_int32 (
	- &key_doc, MONGOCRYPT_STR_AND_LEN ("status"), 0)); /* 0 = enabled. */
	- BSON_CHECK (bson_append_document_begin (
	- &key_doc, MONGOCRYPT_STR_AND_LEN ("masterKey"), &child));
	- if (!_mongocrypt_kek_append (&ctx->opts.kek, &child, ctx->status)) {
	- bson_destroy (&key_doc);
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- BSON_CHECK (bson_append_document_end (&key_doc, &child));
	- _mongocrypt_buffer_steal_from_bson (&dkctx->key_doc, &key_doc);
	- _mongocrypt_buffer_to_binary (&dkctx->key_doc, out);
	- ctx->state = MONGOCRYPT_CTX_DONE;
	- return true;
	-}
	-
	-bool
	-mongocrypt_ctx_datakey_init (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_datakey_t *dkctx;
	- _mongocrypt_ctx_opts_spec_t opts_spec;
	- bool ret;
	-
	- if (!ctx) {
	- return false;
	- }
	- ret = false;
	- memset (&opts_spec, 0, sizeof (opts_spec));
	- opts_spec.kek = OPT_REQUIRED;
	- opts_spec.key_alt_names = OPT_OPTIONAL;
	-
	- if (!_mongocrypt_ctx_init (ctx, &opts_spec)) {
	- return false;
	- }
	-
	- dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	- ctx->type = _MONGOCRYPT_TYPE_CREATE_DATA_KEY;
	- ctx->vtable.mongo_op_keys = NULL;
	- ctx->vtable.mongo_feed_keys = NULL;
	- ctx->vtable.mongo_done_keys = NULL;
	- ctx->vtable.next_kms_ctx = _next_kms_ctx;
	- ctx->vtable.kms_done = _kms_done;
	- ctx->vtable.finalize = _finalize;
	- ctx->vtable.cleanup = _cleanup;
	-
	- _mongocrypt_buffer_init (&dkctx->plaintext_key_material);
	- dkctx->plaintext_key_material.data = bson_malloc (MONGOCRYPT_KEY_LEN);
	- BSON_ASSERT (dkctx->plaintext_key_material.data);
	-
	- dkctx->plaintext_key_material.len = MONGOCRYPT_KEY_LEN;
	- dkctx->plaintext_key_material.owned = true;
	- if (!_mongocrypt_random (ctx->crypt->crypto,
	- &dkctx->plaintext_key_material,
	- MONGOCRYPT_KEY_LEN,
	- ctx->status)) {
	- _mongocrypt_ctx_fail (ctx);
	- goto done;
	- }
	-
	- if (!_kms_start (ctx)) {
	- goto done;
	- }
	-
	- ret = true;
	-done:
	- return ret;
	-}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-encrypt.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-encrypt.c
	deleted file mode 100644
	index 32bbf253..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-encrypt.c
	+++ /dev/null
	@@ -1,917 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongocrypt-ciphertext-private.h"
	-#include "mongocrypt-crypto-private.h"
	-#include "mongocrypt-ctx-private.h"
	-#include "mongocrypt-key-broker-private.h"
	-#include "mongocrypt-marking-private.h"
	-#include "mongocrypt-traverse-util-private.h"
	-
	-/* Construct the list collections command to send. */
	-static bool
	-_mongo_op_collinfo (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bson_t *cmd;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- cmd = BCON_NEW ("name", BCON_UTF8 (ectx->coll_name));
	- CRYPT_TRACEF (&ectx->parent.crypt->log, "constructed: %s\n", tmp_json (cmd));
	- _mongocrypt_buffer_steal_from_bson (&ectx->list_collections_filter, cmd);
	- out->data = ectx->list_collections_filter.data;
	- out->len = ectx->list_collections_filter.len;
	- return true;
	-}
	-
	-static bool
	-_set_schema_from_collinfo (mongocrypt_ctx_t ctx, bson_t collinfo)
	-{
	- bson_iter_t iter;
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bool found_jsonschema = false;
	-
	- /* Parse out the schema. */
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	-
	- /* Disallow views. */
	- if (bson_iter_init_find (&iter, collinfo, "type") &&
	- BSON_ITER_HOLDS_UTF8 (&iter) && bson_iter_utf8 (&iter, NULL) &&
	- 0 == strcmp ("view", bson_iter_utf8 (&iter, NULL))) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot auto encrypt a view");
	- }
	-
	- if (!bson_iter_init (&iter, collinfo)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "BSON malformed");
	- }
	-
	- if (bson_iter_find_descendant (&iter, "options.validator", &iter) &&
	- BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- if (!bson_iter_recurse (&iter, &iter)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "BSON malformed");
	- }
	- while (bson_iter_next (&iter)) {
	- const char *key;
	-
	- key = bson_iter_key (&iter);
	- BSON_ASSERT (key);
	- if (0 == strcmp ("$jsonSchema", key)) {
	- if (found_jsonschema) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "duplicate $jsonSchema fields found");
	- }
	- if (!_mongocrypt_buffer_copy_from_document_iter (&ectx->schema,
	- &iter)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed $jsonSchema");
	- }
	- found_jsonschema = true;
	- } else {
	- ectx->collinfo_has_siblings = true;
	- }
	- }
	- }
	-
	- if (!found_jsonschema) {
	- bson_t empty = BSON_INITIALIZER;
	-
	- _mongocrypt_buffer_steal_from_bson (&ectx->schema, &empty);
	- }
	-
	-
	- return true;
	-}
	-
	-static bool
	-_mongo_feed_collinfo (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	-{
	- bson_t as_bson;
	-
	- _mongocrypt_ctx_encrypt_t *ectx;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- if (!bson_init_static (&as_bson, in->data, in->len)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "BSON malformed");
	- }
	-
	- /* Cache the received collinfo. */
	- if (!_mongocrypt_cache_add_copy (
	- &ctx->crypt->cache_collinfo, ectx->ns, &as_bson, ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- if (!_set_schema_from_collinfo (ctx, &as_bson)) {
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-static bool
	-_mongo_done_collinfo (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- if (_mongocrypt_buffer_empty (&ectx->schema)) {
	- bson_t empty_collinfo = BSON_INITIALIZER;
	-
	- /* If no collinfo was fed, cache an empty collinfo. */
	- if (!_mongocrypt_cache_add_copy (
	- &ctx->crypt->cache_collinfo, ectx->ns, &empty_collinfo, ctx->status)) {
	- bson_destroy (&empty_collinfo);
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- bson_destroy (&empty_collinfo);
	- }
	-
	- ectx->parent.state = MONGOCRYPT_CTX_NEED_MONGO_MARKINGS;
	- return true;
	-}
	-
	-
	-static bool
	-_mongo_op_markings (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bson_t cmd_bson, schema_bson, mongocryptd_cmd_bson;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- if (_mongocrypt_buffer_empty (&ectx->mongocryptd_cmd)) {
	- /* first, get the original command. */
	- if (!_mongocrypt_buffer_to_bson (&ectx->original_cmd, &cmd_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid BSON cmd");
	- }
	-
	- if (_mongocrypt_buffer_empty (&ectx->schema)) {
	- bson_init (&schema_bson);
	- } else if (!_mongocrypt_buffer_to_bson (&ectx->schema, &schema_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid BSON schema");
	- }
	-
	- bson_copy_to (&cmd_bson, &mongocryptd_cmd_bson);
	- BSON_APPEND_DOCUMENT (&mongocryptd_cmd_bson, "jsonSchema", &schema_bson);
	-
	- /* if a local schema was not set, set isRemoteSchema=true */
	- BSON_APPEND_BOOL (
	- &mongocryptd_cmd_bson, "isRemoteSchema", !ectx->used_local_schema);
	- _mongocrypt_buffer_steal_from_bson (&ectx->mongocryptd_cmd,
	- &mongocryptd_cmd_bson);
	-
	- bson_destroy (&cmd_bson);
	- bson_destroy (&schema_bson);
	- }
	- out->data = ectx->mongocryptd_cmd.data;
	- out->len = ectx->mongocryptd_cmd.len;
	- return true;
	-}
	-
	-
	-static bool
	-_collect_key_from_marking (void *ctx,
	- _mongocrypt_buffer_t *in,
	- mongocrypt_status_t *status)
	-{
	- _mongocrypt_marking_t marking;
	- _mongocrypt_key_broker_t *kb;
	- bool res;
	-
	- kb = (_mongocrypt_key_broker_t *) ctx;
	-
	- if (!_mongocrypt_marking_parse_unowned (in, &marking, status)) {
	- _mongocrypt_marking_cleanup (&marking);
	- return false;
	- }
	-
	- if (marking.has_alt_name) {
	- res = _mongocrypt_key_broker_request_name (kb, &marking.key_alt_name);
	- } else {
	- res = _mongocrypt_key_broker_request_id (kb, &marking.key_id);
	- }
	-
	- if (!res) {
	- _mongocrypt_key_broker_status (kb, status);
	- _mongocrypt_marking_cleanup (&marking);
	- return false;
	- }
	-
	- _mongocrypt_marking_cleanup (&marking);
	-
	- return true;
	-}
	-
	-
	-static bool
	-_mongo_feed_markings (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	-{
	- /* Find keys. */
	- bson_t as_bson;
	- bson_iter_t iter;
	- _mongocrypt_ctx_encrypt_t *ectx;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- if (!_mongocrypt_binary_to_bson (in, &as_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed BSON");
	- }
	-
	- if (bson_iter_init_find (&iter, &as_bson, "schemaRequiresEncryption") &&
	- !bson_iter_as_bool (&iter)) {
	- /* TODO: update cache: this schema does not require encryption. */
	-
	- /* If using a local schema, warn if there are no encrypted fields. */
	- if (ectx->used_local_schema) {
	- _mongocrypt_log (
	- &ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_WARNING,
	- "local schema used but does not have encryption specifiers");
	- }
	- return true;
	- } else {
	- /* if the schema requires encryption, but has sibling validators, error.
	- */
	- if (ectx->collinfo_has_siblings) {
	- return _mongocrypt_ctx_fail_w_msg (ctx,
	- "schema requires encryption, "
	- "but collection JSON schema "
	- "validator has siblings");
	- }
	- }
	-
	- if (bson_iter_init_find (&iter, &as_bson, "hasEncryptedPlaceholders") &&
	- !bson_iter_as_bool (&iter)) {
	- return true;
	- }
	-
	- if (!bson_iter_init_find (&iter, &as_bson, "result")) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed marking, no 'result'");
	- }
	-
	- if (!_mongocrypt_buffer_copy_from_document_iter (&ectx->marked_cmd, &iter)) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "malformed marking, 'result' must be a document");
	- }
	-
	- if (!bson_iter_recurse (&iter, &iter)) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "malformed marking, could not recurse into 'result'");
	- }
	- if (!_mongocrypt_traverse_binary_in_bson (_collect_key_from_marking,
	- (void *) &ctx->kb,
	- TRAVERSE_MATCH_MARKING,
	- &iter,
	- ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- return true;
	-}
	-
	-
	-static bool
	-_mongo_done_markings (mongocrypt_ctx_t *ctx)
	-{
	- (void) _mongocrypt_key_broker_requests_done (&ctx->kb);
	- return _mongocrypt_ctx_state_from_key_broker (ctx);
	-}
	-
	-
	-static bool
	-_marking_to_bson_value (void *ctx,
	- _mongocrypt_marking_t *marking,
	- bson_value_t *out,
	- mongocrypt_status_t *status)
	-{
	- _mongocrypt_ciphertext_t ciphertext;
	- _mongocrypt_buffer_t serialized_ciphertext = {0};
	- bool ret = false;
	-
	- BSON_ASSERT (out);
	-
	- _mongocrypt_ciphertext_init (&ciphertext);
	-
	- if (!_mongocrypt_marking_to_ciphertext (ctx, marking, &ciphertext, status)) {
	- goto fail;
	- }
	-
	- if (!_mongocrypt_serialize_ciphertext (&ciphertext,
	- &serialized_ciphertext)) {
	- CLIENT_ERR ("malformed ciphertext");
	- goto fail;
	- };
	-
	- /* ownership of serialized_ciphertext is transferred to caller. */
	- out->value_type = BSON_TYPE_BINARY;
	- out->value.v_binary.data = serialized_ciphertext.data;
	- out->value.v_binary.data_len = serialized_ciphertext.len;
	- out->value.v_binary.subtype = (bson_subtype_t) 6;
	-
	- ret = true;
	-
	-fail:
	- _mongocrypt_ciphertext_cleanup (&ciphertext);
	- return ret;
	-}
	-
	-
	-static bool
	-_replace_marking_with_ciphertext (void *ctx,
	- _mongocrypt_buffer_t *in,
	- bson_value_t *out,
	- mongocrypt_status_t *status)
	-{
	- _mongocrypt_marking_t marking;
	- bool ret;
	-
	- BSON_ASSERT (in);
	-
	- memset (&marking, 0, sizeof (marking));
	-
	- if (!_mongocrypt_marking_parse_unowned (in, &marking, status)) {
	- _mongocrypt_marking_cleanup (&marking);
	- return false;
	- }
	-
	- ret = _marking_to_bson_value (ctx, &marking, out, status);
	- _mongocrypt_marking_cleanup (&marking);
	- return ret;
	-}
	-
	-static bool
	-_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- bson_t as_bson, converted;
	- bson_iter_t iter;
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bool res;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	-
	- if (!ectx->explicit) {
	- if (ctx->nothing_to_do) {
	- _mongocrypt_buffer_to_binary (&ectx->original_cmd, out);
	- ctx->state = MONGOCRYPT_CTX_DONE;
	- return true;
	- }
	- if (!_mongocrypt_buffer_to_bson (&ectx->marked_cmd, &as_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed bson");
	- }
	-
	- bson_iter_init (&iter, &as_bson);
	- bson_init (&converted);
	- if (!_mongocrypt_transform_binary_in_bson (
	- _replace_marking_with_ciphertext,
	- &ctx->kb,
	- TRAVERSE_MATCH_MARKING,
	- &iter,
	- &converted,
	- ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- } else {
	- /* For explicit encryption, we have no marking, but we can fake one */
	- _mongocrypt_marking_t marking;
	- bson_value_t value;
	-
	- memset (&value, 0, sizeof (value));
	-
	- _mongocrypt_marking_init (&marking);
	-
	- if (!_mongocrypt_buffer_to_bson (&ectx->original_cmd, &as_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed bson");
	- }
	-
	- if (!bson_iter_init_find (&iter, &as_bson, "v")) {
	- return _mongocrypt_ctx_fail_w_msg (ctx,
	- "invalid msg, must contain 'v'");
	- }
	-
	-
	- memcpy (&marking.v_iter, &iter, sizeof (bson_iter_t));
	- marking.algorithm = ctx->opts.algorithm;
	- _mongocrypt_buffer_set_to (&ctx->opts.key_id, &marking.key_id);
	- if (ctx->opts.key_alt_names) {
	- bson_value_copy (&ctx->opts.key_alt_names->value,
	- &marking.key_alt_name);
	- marking.has_alt_name = true;
	- }
	-
	- bson_init (&converted);
	- res = _marking_to_bson_value (&ctx->kb, &marking, &value, ctx->status);
	- if (res) {
	- bson_append_value (&converted, MONGOCRYPT_STR_AND_LEN ("v"), &value);
	- }
	-
	- bson_value_destroy (&value);
	- _mongocrypt_marking_cleanup (&marking);
	-
	- if (!res) {
	- bson_destroy (&converted);
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- }
	-
	- _mongocrypt_buffer_steal_from_bson (&ectx->encrypted_cmd, &converted);
	- _mongocrypt_buffer_to_binary (&ectx->encrypted_cmd, out);
	- ctx->state = MONGOCRYPT_CTX_DONE;
	-
	- return true;
	-}
	-
	-
	-static void
	-_cleanup (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- bson_free (ectx->ns);
	- bson_free (ectx->db_name);
	- bson_free (ectx->coll_name);
	- _mongocrypt_buffer_cleanup (&ectx->list_collections_filter);
	- _mongocrypt_buffer_cleanup (&ectx->schema);
	- _mongocrypt_buffer_cleanup (&ectx->original_cmd);
	- _mongocrypt_buffer_cleanup (&ectx->mongocryptd_cmd);
	- _mongocrypt_buffer_cleanup (&ectx->marked_cmd);
	- _mongocrypt_buffer_cleanup (&ectx->encrypted_cmd);
	-}
	-
	-
	-static bool
	-_try_schema_from_schema_map (mongocrypt_ctx_t *ctx)
	-{
	- mongocrypt_t *crypt;
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bson_t schema_map;
	- bson_iter_t iter;
	-
	- crypt = ctx->crypt;
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	-
	- if (_mongocrypt_buffer_empty (&crypt->opts.schema_map)) {
	- /* No schema map set. */
	- return true;
	- }
	-
	- if (!_mongocrypt_buffer_to_bson (&crypt->opts.schema_map, &schema_map)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed schema map");
	- }
	-
	- if (bson_iter_init_find (&iter, &schema_map, ectx->ns)) {
	- if (!_mongocrypt_buffer_copy_from_document_iter (&ectx->schema, &iter)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "malformed schema map");
	- }
	- ectx->used_local_schema = true;
	- ctx->state = MONGOCRYPT_CTX_NEED_MONGO_MARKINGS;
	- }
	-
	- /* No schema found in map. */
	- return true;
	-}
	-
	-
	-static bool
	-_try_schema_from_cache (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bson_t *collinfo = NULL;
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	-
	- /* Otherwise, we need a remote schema. Check if we have a response to
	- * listCollections cached. */
	- if (!_mongocrypt_cache_get (&ctx->crypt->cache_collinfo,
	- ectx->ns /* null terminated */,
	- (void **) &collinfo)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "failed to retrieve from cache");
	- }
	-
	- if (collinfo) {
	- if (!_set_schema_from_collinfo (ctx, collinfo)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- ctx->state = MONGOCRYPT_CTX_NEED_MONGO_MARKINGS;
	- } else {
	- /* we need to get it. */
	- ctx->state = MONGOCRYPT_CTX_NEED_MONGO_COLLINFO;
	- }
	-
	- bson_destroy (collinfo);
	- return true;
	-}
	-
	-static bool
	-_permitted_for_encryption (bson_iter_t *iter,
	- mongocrypt_encryption_algorithm_t algo,
	- mongocrypt_status_t *status)
	-{
	- bson_type_t bson_type;
	- const bson_value_t *bson_value = bson_iter_value (iter);
	- bool ret = false;
	-
	- if (!bson_value) {
	- CLIENT_ERR ("Unknown BSON type");
	- goto fail;
	- }
	- bson_type = bson_value->value_type;
	- switch (bson_type) {
	- case BSON_TYPE_NULL:
	- case BSON_TYPE_MINKEY:
	- case BSON_TYPE_MAXKEY:
	- case BSON_TYPE_UNDEFINED:
	- CLIENT_ERR ("BSON type invalid for encryption");
	- goto fail;
	- case BSON_TYPE_BINARY:
	- if (bson_value->value.v_binary.subtype == 6) {
	- CLIENT_ERR ("BSON binary subtype 6 is invalid for encryption");
	- goto fail;
	- }
	- /* ok */
	- break;
	- case BSON_TYPE_DOUBLE:
	- case BSON_TYPE_DOCUMENT:
	- case BSON_TYPE_ARRAY:
	- case BSON_TYPE_CODEWSCOPE:
	- case BSON_TYPE_BOOL:
	- case BSON_TYPE_DECIMAL128:
	- if (algo == MONGOCRYPT_ENCRYPTION_ALGORITHM_DETERMINISTIC) {
	- CLIENT_ERR ("BSON type invalid for deterministic encryption");
	- goto fail;
	- }
	- break;
	- case BSON_TYPE_UTF8:
	- case BSON_TYPE_OID:
	- case BSON_TYPE_DATE_TIME:
	- case BSON_TYPE_REGEX:
	- case BSON_TYPE_DBPOINTER:
	- case BSON_TYPE_CODE:
	- case BSON_TYPE_SYMBOL:
	- case BSON_TYPE_INT32:
	- case BSON_TYPE_TIMESTAMP:
	- case BSON_TYPE_INT64:
	- /* ok */
	- break;
	- case BSON_TYPE_EOD:
	- default:
	- CLIENT_ERR ("invalid BSON value type 00");
	- goto fail;
	- }
	-
	- ret = true;
	-fail:
	- return ret;
	-}
	-
	-bool
	-mongocrypt_ctx_explicit_encrypt_init (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *msg)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	- bson_t as_bson;
	- bson_iter_t iter;
	- _mongocrypt_ctx_opts_spec_t opts_spec;
	-
	- if (!ctx) {
	- return false;
	- }
	- memset (&opts_spec, 0, sizeof (opts_spec));
	- opts_spec.key_descriptor = OPT_REQUIRED;
	- opts_spec.algorithm = OPT_REQUIRED;
	-
	- if (!_mongocrypt_ctx_init (ctx, &opts_spec)) {
	- return false;
	- }
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- ctx->type = _MONGOCRYPT_TYPE_ENCRYPT;
	- ectx->explicit = true;
	- ctx->vtable.finalize = _finalize;
	- ctx->vtable.cleanup = _cleanup;
	-
	- if (!msg \|\| !msg->data) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "msg required for explicit encryption");
	- }
	-
	- if (ctx->opts.key_alt_names) {
	- if (!_mongocrypt_key_broker_request_name (
	- &ctx->kb, &ctx->opts.key_alt_names->value)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- } else {
	- if (!_mongocrypt_key_broker_request_id (&ctx->kb, &ctx->opts.key_id)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- }
	-
	- _mongocrypt_buffer_init (&ectx->original_cmd);
	-
	- _mongocrypt_buffer_copy_from_binary (&ectx->original_cmd, msg);
	- if (!_mongocrypt_buffer_to_bson (&ectx->original_cmd, &as_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "msg must be bson");
	- }
	-
	- if (ctx->crypt->log.trace_enabled) {
	- char *cmd_val;
	- cmd_val = _mongocrypt_new_json_string_from_binary (msg);
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\")",
	- BSON_FUNC,
	- "msg",
	- cmd_val);
	- bson_free (cmd_val);
	- }
	-
	- if (!bson_iter_init_find (&iter, &as_bson, "v")) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid msg, must contain 'v'");
	- }
	-
	- if (!_permitted_for_encryption (&iter, ctx->opts.algorithm, ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- (void) _mongocrypt_key_broker_requests_done (&ctx->kb);
	- return _mongocrypt_ctx_state_from_key_broker (ctx);
	-}
	-
	-static bool
	-_check_cmd_for_auto_encrypt (mongocrypt_binary_t *cmd,
	- bool *bypass,
	- char **collname,
	- mongocrypt_status_t *status)
	-{
	- bson_t as_bson;
	- bson_iter_t iter, ns_iter;
	- const char *cmd_name;
	- bool eligible = false;
	-
	- *bypass = false;
	-
	- if (!_mongocrypt_binary_to_bson (cmd, &as_bson) \|\|
	- !bson_iter_init (&iter, &as_bson)) {
	- CLIENT_ERR ("invalid BSON");
	- return false;
	- }
	-
	- /* The command name is the first key. */
	- if (!bson_iter_next (&iter)) {
	- CLIENT_ERR ("invalid empty BSON");
	- return false;
	- }
	-
	- cmd_name = bson_iter_key (&iter);
	- BSON_ASSERT (cmd_name);
	-
	- /* get the collection name (or NULL if database/client command). */
	- if (0 == strcmp (cmd_name, "explain")) {
	- if (!BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- CLIENT_ERR ("explain value is not a document");
	- return false;
	- }
	- if (!bson_iter_recurse (&iter, &ns_iter)) {
	- CLIENT_ERR ("malformed BSON for encrypt command");
	- return false;
	- }
	- if (!bson_iter_next (&ns_iter)) {
	- CLIENT_ERR ("invalid empty BSON");
	- return false;
	- }
	- } else {
	- memcpy (&ns_iter, &iter, sizeof (iter));
	- }
	-
	- if (BSON_ITER_HOLDS_UTF8 (&ns_iter)) {
	- *collname = bson_strdup (bson_iter_utf8 (&ns_iter, NULL));
	- } else {
	- *collname = NULL;
	- }
	-
	- /* check if command is eligible for auto encryption, bypassed, or ineligible.
	- */
	- if (0 == strcmp (cmd_name, "aggregate")) {
	- /* collection level aggregate ok, database/client is not. */
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "count")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "distinct")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "delete")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "find")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "findAndModify")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "getMore")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "insert")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "update")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "authenticate")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "getnonce")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "logout")) {
	- *bypass = true;
	- } else if (0 == bson_strcasecmp (cmd_name, "isMaster")) {
	- /* use case insensitive compare for ismaster, since some drivers send
	- * "ismaster" and others send "isMaster" */
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "abortTransaction")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "commitTransaction")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "endSessions")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "startSession")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "create")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "createIndexes")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "drop")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "dropDatabase")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "dropIndexes")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "killCursors")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "listCollections")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "listDatabases")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "listIndexes")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "renameCollection")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "explain")) {
	- eligible = true;
	- } else if (0 == strcmp (cmd_name, "ping")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "saslStart")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "saslContinue")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "killAllSessions")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "killSessions")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "killAllSessionsByPattern")) {
	- *bypass = true;
	- } else if (0 == strcmp (cmd_name, "refreshSessions")) {
	- *bypass = true;
	- }
	-
	- /* database/client commands are ineligible. */
	- if (eligible) {
	- if (!*collname) {
	- CLIENT_ERR (
	- "non-collection command not supported for auto encryption: %s",
	- cmd_name);
	- return false;
	- }
	- if (0 == strlen (*collname)) {
	- CLIENT_ERR ("empty collection name on command: %s", cmd_name);
	- return false;
	- }
	- }
	-
	- if (eligible \|\| *bypass) {
	- return true;
	- }
	-
	- CLIENT_ERR ("command not supported for auto encryption: %s", cmd_name);
	- return false;
	-}
	-
	-bool
	-mongocrypt_ctx_encrypt_init (mongocrypt_ctx_t *ctx,
	- const char *db,
	- int32_t db_len,
	- mongocrypt_binary_t *cmd)
	-{
	- _mongocrypt_ctx_encrypt_t *ectx;
	- _mongocrypt_ctx_opts_spec_t opts_spec;
	- bool bypass;
	-
	- if (!ctx) {
	- return false;
	- }
	- memset (&opts_spec, 0, sizeof (opts_spec));
	- opts_spec.schema = OPT_OPTIONAL;
	- if (!_mongocrypt_ctx_init (ctx, &opts_spec)) {
	- return false;
	- }
	-
	- ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	- ctx->type = _MONGOCRYPT_TYPE_ENCRYPT;
	- ectx->explicit = false;
	- ctx->vtable.mongo_op_collinfo = _mongo_op_collinfo;
	- ctx->vtable.mongo_feed_collinfo = _mongo_feed_collinfo;
	- ctx->vtable.mongo_done_collinfo = _mongo_done_collinfo;
	- ctx->vtable.mongo_op_collinfo = _mongo_op_collinfo;
	- ctx->vtable.mongo_op_markings = _mongo_op_markings;
	- ctx->vtable.mongo_feed_markings = _mongo_feed_markings;
	- ctx->vtable.mongo_done_markings = _mongo_done_markings;
	- ctx->vtable.finalize = _finalize;
	- ctx->vtable.cleanup = _cleanup;
	- ctx->vtable.mongo_op_collinfo = _mongo_op_collinfo;
	- ctx->vtable.mongo_feed_collinfo = _mongo_feed_collinfo;
	- ctx->vtable.mongo_done_collinfo = _mongo_done_collinfo;
	-
	-
	- if (!cmd \|\| !cmd->data) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid command");
	- }
	-
	- _mongocrypt_buffer_copy_from_binary (&ectx->original_cmd, cmd);
	-
	- if (!_check_cmd_for_auto_encrypt (
	- cmd, &bypass, &ectx->coll_name, ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- if (bypass) {
	- ctx->nothing_to_do = true;
	- ctx->state = MONGOCRYPT_CTX_READY;
	- return true;
	- }
	-
	- /* if _check_cmd_for_auto_encrypt did not bypass or error, a collection name
	- * must have been set. */
	- if (!ectx->coll_name) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx,
	- "unexpected error: did not bypass or error but no collection name");
	- }
	-
	- if (!_mongocrypt_validate_and_copy_string (db, db_len, &ectx->db_name) \|\|
	- 0 == strlen (ectx->db_name)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid db");
	- }
	-
	- ectx->ns = bson_strdup_printf ("%s.%s", ectx->db_name, ectx->coll_name);
	-
	- if (ctx->opts.kek.provider.aws.region \|\| ctx->opts.kek.provider.aws.cmk) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "aws masterkey options must not be set");
	- }
	-
	- if (!_mongocrypt_buffer_empty (&ctx->opts.key_id)) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "key_id must not be set for auto encryption");
	- }
	-
	- if (ctx->opts.algorithm != MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "algorithm must not be set for auto encryption");
	- }
	-
	- if (ctx->crypt->log.trace_enabled) {
	- char *cmd_val;
	- cmd_val = _mongocrypt_new_json_string_from_binary (cmd);
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\", %s=%d, %s=\"%s\")",
	- BSON_FUNC,
	- "db",
	- ectx->db_name,
	- "db_len",
	- db_len,
	- "cmd",
	- cmd_val);
	- bson_free (cmd_val);
	- }
	-
	- /* Check if we have a local schema from schema_map */
	- if (!_try_schema_from_schema_map (ctx)) {
	- return false;
	- }
	-
	- /* If we didn't have a local schema, try the cache. */
	- if (_mongocrypt_buffer_empty (&ectx->schema)) {
	- if (!_try_schema_from_cache (ctx)) {
	- return false;
	- }
	- }
	-
	- /* Otherwise, we need the the driver to fetch the schema. */
	- if (_mongocrypt_buffer_empty (&ectx->schema)) {
	- ctx->state = MONGOCRYPT_CTX_NEED_MONGO_COLLINFO;
	- }
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-private.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-private.h
	deleted file mode 100644
	index 16939f6b..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-private.h
	+++ /dev/null
	@@ -1,172 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef MONGOCRYPT_CTX_PRIVATE_H
	-#define MONGOCRYPT_CTX_PRIVATE_H
	-
	-#include "mongocrypt.h"
	-#include "mongocrypt-private.h"
	-#include "mongocrypt-buffer-private.h"
	-#include "mongocrypt-key-broker-private.h"
	-#include "mongocrypt-key-private.h"
	-#include "mongocrypt-endpoint-private.h"
	-
	-typedef enum {
	- _MONGOCRYPT_TYPE_NONE,
	- _MONGOCRYPT_TYPE_ENCRYPT,
	- _MONGOCRYPT_TYPE_DECRYPT,
	- _MONGOCRYPT_TYPE_CREATE_DATA_KEY,
	-} _mongocrypt_ctx_type_t;
	-
	-/* Option values are validated when set.
	- * Different contexts accept/require different options,
	- * validated when a context is initialized.
	- */
	-typedef struct __mongocrypt_ctx_opts_t {
	- _mongocrypt_buffer_t key_id;
	- _mongocrypt_key_alt_name_t *key_alt_names;
	- mongocrypt_encryption_algorithm_t algorithm;
	- _mongocrypt_kek_t kek;
	-} _mongocrypt_ctx_opts_t;
	-
	-
	-/* All derived contexts may override these methods. */
	-typedef struct {
	- bool (mongo_op_collinfo) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	- bool (mongo_feed_collinfo) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *in);
	- bool (mongo_done_collinfo) (mongocrypt_ctx_t ctx);
	- bool (mongo_op_markings) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	- bool (mongo_feed_markings) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *in);
	- bool (mongo_done_markings) (mongocrypt_ctx_t ctx);
	- bool (mongo_op_keys) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	- bool (mongo_feed_keys) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *in);
	- bool (mongo_done_keys) (mongocrypt_ctx_t ctx);
	- mongocrypt_kms_ctx_t (next_kms_ctx) (mongocrypt_ctx_t *ctx);
	- bool (kms_done) (mongocrypt_ctx_t ctx);
	- bool (finalize) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	- void (cleanup) (mongocrypt_ctx_t ctx);
	-} _mongocrypt_vtable_t;
	-
	-
	-struct _mongocrypt_ctx_t {
	- mongocrypt_t *crypt;
	- mongocrypt_ctx_state_t state;
	- _mongocrypt_ctx_type_t type;
	- mongocrypt_status_t *status;
	- _mongocrypt_key_broker_t kb;
	- _mongocrypt_vtable_t vtable;
	- _mongocrypt_ctx_opts_t opts;
	- bool initialized;
	- bool
	- nothing_to_do; /* set to true if no encryption/decryption is required. */
	-};
	-
	-
	-/* Transition to the error state. An error status must have been set. */
	-bool
	-_mongocrypt_ctx_fail (mongocrypt_ctx_t *ctx);
	-
	-
	-/* Set an error status and transition to the error state. */
	-bool
	-_mongocrypt_ctx_fail_w_msg (mongocrypt_ctx_t ctx, const char msg);
	-
	-
	-typedef struct {
	- mongocrypt_ctx_t parent;
	- bool explicit;
	- char *coll_name;
	- char *db_name;
	- char *ns;
	- _mongocrypt_buffer_t list_collections_filter;
	- _mongocrypt_buffer_t schema;
	- /* TODO CDRIVER-3150: audit + rename these buffers.
	- * original_cmd for explicit is {v: <BSON value>}, for auto is the command to
	- * be encrypted.
	- *
	- * mongocryptd_cmd is only applicable for auto encryption. It is the original
	- * command with JSONSchema appended.
	- *
	- * marked_cmd is the value of the 'result' field in mongocryptd response
	- *
	- * encrypted_cmd is the final output, the original command encrypted, or for
	- * explicit, the {v: <ciphertext>} doc.
	- */
	- _mongocrypt_buffer_t original_cmd;
	- _mongocrypt_buffer_t mongocryptd_cmd;
	- _mongocrypt_buffer_t marked_cmd;
	- _mongocrypt_buffer_t encrypted_cmd;
	- _mongocrypt_buffer_t key_id;
	- bool used_local_schema;
	- /* collinfo_has_siblings is true if the schema came from a remote JSON
	- * schema, and there were siblings. */
	- bool collinfo_has_siblings;
	-} _mongocrypt_ctx_encrypt_t;
	-
	-
	-typedef struct {
	- mongocrypt_ctx_t parent;
	- bool explicit;
	- /* TODO CDRIVER-3150: audit + rename these buffers.
	- * Unlike ctx_encrypt, unwrapped_doc holds the binary value of the {v:
	- * <ciphertext>} doc.
	- * */
	- _mongocrypt_buffer_t original_doc;
	- _mongocrypt_buffer_t unwrapped_doc; /* explicit only */
	- _mongocrypt_buffer_t decrypted_doc;
	-} _mongocrypt_ctx_decrypt_t;
	-
	-
	-typedef struct {
	- mongocrypt_ctx_t parent;
	- mongocrypt_kms_ctx_t kms;
	- bool kms_returned;
	- _mongocrypt_buffer_t key_doc;
	- _mongocrypt_buffer_t plaintext_key_material;
	- _mongocrypt_buffer_t encrypted_key_material;
	-
	- const char *kmip_unique_identifier;
	- bool kmip_activated;
	- _mongocrypt_buffer_t kmip_secretdata;
	-} _mongocrypt_ctx_datakey_t;
	-
	-
	-/* Used for option validation. True means required. False means prohibited. */
	-typedef enum {
	- OPT_PROHIBITED = 0,
	- OPT_REQUIRED,
	- OPT_OPTIONAL
	-} _mongocrypt_ctx_opt_spec_t;
	-typedef struct {
	- _mongocrypt_ctx_opt_spec_t kek;
	- _mongocrypt_ctx_opt_spec_t schema;
	- _mongocrypt_ctx_opt_spec_t key_descriptor; /* a key_id or key_alt_name */
	- _mongocrypt_ctx_opt_spec_t key_alt_names;
	- _mongocrypt_ctx_opt_spec_t algorithm;
	-} _mongocrypt_ctx_opts_spec_t;
	-
	-/* Common initialization. */
	-bool
	-_mongocrypt_ctx_init (mongocrypt_ctx_t *ctx,
	- _mongocrypt_ctx_opts_spec_t *opt_spec)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-/* Set the state of the context from the state of keys in the key broker. */
	-bool
	-_mongocrypt_ctx_state_from_key_broker (mongocrypt_ctx_t *ctx)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-#endif /* MONGOCRYPT_CTX_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx.c
	deleted file mode 100644
	index 43ac216f..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx.c
	+++ /dev/null
	@@ -1,887 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#include "mongocrypt-ctx-private.h"
	-#include "mongocrypt-key-broker-private.h"
	-
	-#define ALGORITHM_DETERMINISTIC "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
	-#define ALGORITHM_DETERMINISTIC_LEN 43
	-#define ALGORITHM_RANDOM "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
	-#define ALGORITHM_RANDOM_LEN 36
	-
	-bool
	-_mongocrypt_ctx_fail_w_msg (mongocrypt_ctx_t ctx, const char msg)
	-{
	- _mongocrypt_set_error (ctx->status,
	- MONGOCRYPT_STATUS_ERROR_CLIENT,
	- MONGOCRYPT_GENERIC_ERROR_CODE,
	- "%s",
	- msg);
	- return _mongocrypt_ctx_fail (ctx);
	-}
	-
	-/* A failure status has already been set. */
	-bool
	-_mongocrypt_ctx_fail (mongocrypt_ctx_t *ctx)
	-{
	- if (mongocrypt_status_ok (ctx->status)) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "unexpected, failing but no error status set");
	- }
	- ctx->state = MONGOCRYPT_CTX_ERROR;
	- return false;
	-}
	-
	-
	-static bool
	-_set_binary_opt (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *binary,
	- _mongocrypt_buffer_t *buf,
	- bson_subtype_t subtype)
	-{
	- BSON_ASSERT (ctx);
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (!binary \|\| !binary->data) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "option must be non-NULL");
	- }
	-
	- if (!_mongocrypt_buffer_empty (buf)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "option already set");
	- }
	-
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (subtype == BSON_SUBTYPE_UUID && binary->len != 16) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "expected 16 byte UUID");
	- }
	-
	- _mongocrypt_buffer_copy_from_binary (buf, binary);
	- buf->subtype = subtype;
	-
	- return true;
	-}
	-
	-
	-bool
	-mongocrypt_ctx_setopt_key_id (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *key_id)
	-{
	- if (!ctx) {
	- return false;
	- }
	-
	- if (ctx->crypt->log.trace_enabled && key_id && key_id->data) {
	- char *key_id_val;
	- key_id_val =
	- _mongocrypt_new_string_from_bytes (key_id->data, key_id->len);
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\")",
	- BSON_FUNC,
	- "key_id",
	- key_id_val);
	- bson_free (key_id_val);
	- }
	-
	- return _set_binary_opt (ctx, key_id, &ctx->opts.key_id, BSON_SUBTYPE_UUID);
	-}
	-
	-
	-bool
	-mongocrypt_ctx_setopt_key_alt_name (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *key_alt_name)
	-{
	- bson_t as_bson;
	- bson_iter_t iter;
	- _mongocrypt_key_alt_name_t *new_key_alt_name;
	- const char *key;
	-
	- if (!ctx) {
	- return false;
	- }
	-
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (!key_alt_name \|\| !key_alt_name->data) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "option must be non-NULL");
	- }
	-
	- if (!_mongocrypt_binary_to_bson (key_alt_name, &as_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid keyAltName bson object");
	- }
	-
	- if (!bson_iter_init (&iter, &as_bson) \|\| !bson_iter_next (&iter)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid bson");
	- }
	-
	- key = bson_iter_key (&iter);
	- BSON_ASSERT (key);
	- if (0 != strcmp (key, "keyAltName")) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "keyAltName must have field 'keyAltName'");
	- }
	-
	- if (!BSON_ITER_HOLDS_UTF8 (&iter)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "keyAltName expected to be UTF8");
	- }
	-
	- new_key_alt_name = _mongocrypt_key_alt_name_new (bson_iter_value (&iter));
	-
	- if (ctx->opts.key_alt_names &&
	- _mongocrypt_key_alt_name_intersects (ctx->opts.key_alt_names,
	- new_key_alt_name)) {
	- _mongocrypt_key_alt_name_destroy_all (new_key_alt_name);
	- return _mongocrypt_ctx_fail_w_msg (ctx, "duplicate keyAltNames found");
	- }
	- new_key_alt_name->next = ctx->opts.key_alt_names;
	- ctx->opts.key_alt_names = new_key_alt_name;
	-
	- if (bson_iter_next (&iter)) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "unrecognized field, only keyAltName expected");
	- }
	-
	- return true;
	-}
	-
	-
	-bool
	-mongocrypt_ctx_setopt_algorithm (mongocrypt_ctx_t *ctx,
	- const char *algorithm,
	- int len)
	-{
	- size_t calculated_len;
	-
	- if (!ctx) {
	- return false;
	- }
	-
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (ctx->opts.algorithm != MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "already set algorithm");
	- }
	-
	- if (len < -1) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid algorithm length");
	- }
	-
	- if (!algorithm) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "passed null algorithm");
	- }
	-
	- calculated_len = len == -1 ? strlen (algorithm) : (size_t) len;
	- if (ctx->crypt->log.trace_enabled) {
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%.*s\")",
	- BSON_FUNC,
	- "algorithm",
	- (int) calculated_len,
	- algorithm);
	- }
	-
	- if (calculated_len == ALGORITHM_DETERMINISTIC_LEN &&
	- strncmp (algorithm,
	- ALGORITHM_DETERMINISTIC,
	- ALGORITHM_DETERMINISTIC_LEN) == 0) {
	- ctx->opts.algorithm = MONGOCRYPT_ENCRYPTION_ALGORITHM_DETERMINISTIC;
	- return true;
	- }
	-
	- if (calculated_len == ALGORITHM_RANDOM_LEN &&
	- strncmp (algorithm, ALGORITHM_RANDOM, ALGORITHM_RANDOM_LEN) == 0) {
	- ctx->opts.algorithm = MONGOCRYPT_ENCRYPTION_ALGORITHM_RANDOM;
	- return true;
	- }
	-
	- return _mongocrypt_ctx_fail_w_msg (ctx, "unsupported algorithm");
	-}
	-
	-
	-mongocrypt_ctx_t *
	-mongocrypt_ctx_new (mongocrypt_t *crypt)
	-{
	- mongocrypt_ctx_t *ctx;
	- size_t ctx_size;
	-
	- if (!crypt) {
	- return NULL;
	- }
	- if (!crypt->initialized) {
	- mongocrypt_status_t *status;
	-
	- status = crypt->status;
	- CLIENT_ERR ("cannot create context from uninitialized crypt");
	- return NULL;
	- }
	- ctx_size = sizeof (_mongocrypt_ctx_encrypt_t);
	- if (sizeof (_mongocrypt_ctx_decrypt_t) > ctx_size) {
	- ctx_size = sizeof (_mongocrypt_ctx_decrypt_t);
	- }
	- if (sizeof (_mongocrypt_ctx_datakey_t) > ctx_size) {
	- ctx_size = sizeof (_mongocrypt_ctx_datakey_t);
	- }
	- ctx = bson_malloc0 (ctx_size);
	- BSON_ASSERT (ctx);
	-
	- ctx->crypt = crypt;
	- ctx->status = mongocrypt_status_new ();
	- ctx->opts.algorithm = MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE;
	- ctx->state = MONGOCRYPT_CTX_DONE;
	- return ctx;
	-}
	-
	-#define CHECK_AND_CALL(fn, ...) \
	- do { \
	- if (!ctx->vtable.fn) { \
	- return _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context"); \
	- } \
	- return ctx->vtable.fn (__VA_ARGS__); \
	- } while (0)
	-
	-/* Common to both encrypt and decrypt context. */
	-static bool
	-_mongo_op_keys (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- /* Construct the find filter to fetch keys. */
	- if (!_mongocrypt_key_broker_filter (&ctx->kb, out)) {
	- BSON_ASSERT (!_mongocrypt_key_broker_status (&ctx->kb, ctx->status));
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- return true;
	-}
	-
	-
	-static bool
	-_mongo_feed_keys (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	-{
	- _mongocrypt_buffer_t buf;
	-
	- _mongocrypt_buffer_from_binary (&buf, in);
	- if (!_mongocrypt_key_broker_add_doc (&ctx->kb, &buf)) {
	- BSON_ASSERT (!_mongocrypt_key_broker_status (&ctx->kb, ctx->status));
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- return true;
	-}
	-
	-
	-static bool
	-_mongo_done_keys (mongocrypt_ctx_t *ctx)
	-{
	- (void) _mongocrypt_key_broker_docs_done (&ctx->kb);
	- return _mongocrypt_ctx_state_from_key_broker (ctx);
	-}
	-
	-static mongocrypt_kms_ctx_t *
	-_next_kms_ctx (mongocrypt_ctx_t *ctx)
	-{
	- return _mongocrypt_key_broker_next_kms (&ctx->kb);
	-}
	-
	-
	-static bool
	-_kms_done (mongocrypt_ctx_t *ctx)
	-{
	- if (!_mongocrypt_key_broker_kms_done (&ctx->kb)) {
	- BSON_ASSERT (!_mongocrypt_key_broker_status (&ctx->kb, ctx->status));
	- return _mongocrypt_ctx_fail (ctx);
	- }
	- return _mongocrypt_ctx_state_from_key_broker (ctx);
	-}
	-
	-
	-bool
	-mongocrypt_ctx_mongo_op (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- if (!ctx) {
	- return false;
	- }
	- if (!ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- }
	-
	- if (!out) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid NULL input");
	- }
	-
	- switch (ctx->state) {
	- case MONGOCRYPT_CTX_NEED_MONGO_COLLINFO:
	- CHECK_AND_CALL (mongo_op_collinfo, ctx, out);
	- case MONGOCRYPT_CTX_NEED_MONGO_MARKINGS:
	- CHECK_AND_CALL (mongo_op_markings, ctx, out);
	- case MONGOCRYPT_CTX_NEED_MONGO_KEYS:
	- CHECK_AND_CALL (mongo_op_keys, ctx, out);
	- case MONGOCRYPT_CTX_ERROR:
	- return false;
	- default:
	- return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	- }
	-}
	-
	-
	-bool
	-mongocrypt_ctx_mongo_feed (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	-{
	- if (!ctx) {
	- return false;
	- }
	- if (!ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- }
	-
	- if (!in) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid NULL input");
	- }
	-
	- if (ctx->crypt->log.trace_enabled) {
	- char *in_val;
	-
	- in_val = _mongocrypt_new_json_string_from_binary (in);
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\")",
	- BSON_FUNC,
	- "in",
	- in_val);
	- bson_free (in_val);
	- }
	-
	- switch (ctx->state) {
	- case MONGOCRYPT_CTX_NEED_MONGO_COLLINFO:
	- CHECK_AND_CALL (mongo_feed_collinfo, ctx, in);
	- case MONGOCRYPT_CTX_NEED_MONGO_MARKINGS:
	- CHECK_AND_CALL (mongo_feed_markings, ctx, in);
	- case MONGOCRYPT_CTX_NEED_MONGO_KEYS:
	- CHECK_AND_CALL (mongo_feed_keys, ctx, in);
	- case MONGOCRYPT_CTX_ERROR:
	- return false;
	- default:
	- return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	- }
	-}
	-
	-
	-bool
	-mongocrypt_ctx_mongo_done (mongocrypt_ctx_t *ctx)
	-{
	- if (!ctx) {
	- return false;
	- }
	- if (!ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- }
	-
	- switch (ctx->state) {
	- case MONGOCRYPT_CTX_NEED_MONGO_COLLINFO:
	- CHECK_AND_CALL (mongo_done_collinfo, ctx);
	- case MONGOCRYPT_CTX_NEED_MONGO_MARKINGS:
	- CHECK_AND_CALL (mongo_done_markings, ctx);
	- case MONGOCRYPT_CTX_NEED_MONGO_KEYS:
	- CHECK_AND_CALL (mongo_done_keys, ctx);
	- case MONGOCRYPT_CTX_ERROR:
	- return false;
	- default:
	- return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	- }
	-}
	-
	-
	-mongocrypt_ctx_state_t
	-mongocrypt_ctx_state (mongocrypt_ctx_t *ctx)
	-{
	- if (!ctx) {
	- return MONGOCRYPT_CTX_ERROR;
	- }
	- if (!ctx->initialized) {
	- _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- return MONGOCRYPT_CTX_ERROR;
	- }
	-
	- return ctx->state;
	-}
	-
	-
	-mongocrypt_kms_ctx_t *
	-mongocrypt_ctx_next_kms_ctx (mongocrypt_ctx_t *ctx)
	-{
	- if (!ctx) {
	- return NULL;
	- }
	- if (!ctx->initialized) {
	- _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- return NULL;
	- }
	-
	- if (!ctx->vtable.next_kms_ctx) {
	- _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context");
	- return NULL;
	- }
	-
	- switch (ctx->state) {
	- case MONGOCRYPT_CTX_NEED_KMS:
	- return ctx->vtable.next_kms_ctx (ctx);
	- case MONGOCRYPT_CTX_ERROR:
	- return NULL;
	- default:
	- _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	- return NULL;
	- }
	-}
	-
	-
	-bool
	-mongocrypt_ctx_kms_done (mongocrypt_ctx_t *ctx)
	-{
	- if (!ctx) {
	- return false;
	- }
	- if (!ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- }
	-
	- if (!ctx->vtable.kms_done) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context");
	- }
	-
	- switch (ctx->state) {
	- case MONGOCRYPT_CTX_NEED_KMS:
	- return ctx->vtable.kms_done (ctx);
	- case MONGOCRYPT_CTX_ERROR:
	- return false;
	- default:
	- return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	- }
	-}
	-
	-
	-bool
	-mongocrypt_ctx_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	-{
	- if (!ctx) {
	- return false;
	- }
	- if (!ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	- }
	-
	- if (!out) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid NULL input");
	- }
	-
	- if (!ctx->vtable.finalize) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context");
	- }
	-
	- switch (ctx->state) {
	- case MONGOCRYPT_CTX_READY:
	- return ctx->vtable.finalize (ctx, out);
	- case MONGOCRYPT_CTX_ERROR:
	- return false;
	- default:
	- return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	- }
	-}
	-
	-bool
	-mongocrypt_ctx_status (mongocrypt_ctx_t ctx, mongocrypt_status_t out)
	-{
	- if (!ctx) {
	- return false;
	- }
	-
	- if (!mongocrypt_status_ok (ctx->status)) {
	- _mongocrypt_status_copy_to (ctx->status, out);
	- return false;
	- }
	- _mongocrypt_status_reset (out);
	- return true;
	-}
	-
	-
	-void
	-mongocrypt_ctx_destroy (mongocrypt_ctx_t *ctx)
	-{
	- if (!ctx) {
	- return;
	- }
	-
	- if (ctx->vtable.cleanup) {
	- ctx->vtable.cleanup (ctx);
	- }
	-
	- _mongocrypt_kek_cleanup (&ctx->opts.kek);
	- mongocrypt_status_destroy (ctx->status);
	- _mongocrypt_key_broker_cleanup (&ctx->kb);
	- _mongocrypt_key_alt_name_destroy_all (ctx->opts.key_alt_names);
	- _mongocrypt_buffer_cleanup (&ctx->opts.key_id);
	- bson_free (ctx);
	- return;
	-}
	-
	-
	-bool
	-mongocrypt_ctx_setopt_masterkey_aws (mongocrypt_ctx_t *ctx,
	- const char *region,
	- int32_t region_len,
	- const char *cmk,
	- int32_t cmk_len)
	-{
	- mongocrypt_binary_t *bin;
	- bson_t as_bson;
	- bool ret;
	- char *temp = NULL;
	-
	- if (!ctx) {
	- return false;
	- }
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_AWS &&
	- ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_NONE) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "master key already set");
	- }
	-
	- if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_AWS &&
	- ctx->opts.kek.provider.aws.region) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "master key already set");
	- }
	-
	- if (!_mongocrypt_validate_and_copy_string (region, region_len, &temp) \|\|
	- region_len == 0) {
	- bson_free (temp);
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid region");
	- }
	- bson_free (temp);
	-
	- temp = NULL;
	- if (!_mongocrypt_validate_and_copy_string (cmk, cmk_len, &temp) \|\|
	- cmk_len == 0) {
	- bson_free (temp);
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid cmk");
	- }
	- bson_free (temp);
	-
	- bson_init (&as_bson);
	- bson_append_utf8 (&as_bson,
	- MONGOCRYPT_STR_AND_LEN ("provider"),
	- MONGOCRYPT_STR_AND_LEN ("aws"));
	- bson_append_utf8 (
	- &as_bson, MONGOCRYPT_STR_AND_LEN ("region"), region, region_len);
	- bson_append_utf8 (&as_bson, MONGOCRYPT_STR_AND_LEN ("key"), cmk, cmk_len);
	- bin = mongocrypt_binary_new_from_data ((uint8_t *) bson_get_data (&as_bson),
	- as_bson.len);
	-
	- ret = mongocrypt_ctx_setopt_key_encryption_key (ctx, bin);
	- mongocrypt_binary_destroy (bin);
	- bson_destroy (&as_bson);
	-
	- if (ctx->crypt->log.trace_enabled) {
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\", %s=%d, %s=\"%s\", %s=%d)",
	- BSON_FUNC,
	- "region",
	- ctx->opts.kek.provider.aws.region,
	- "region_len",
	- region_len,
	- "cmk",
	- ctx->opts.kek.provider.aws.cmk,
	- "cmk_len",
	- cmk_len);
	- }
	-
	- return ret;
	-}
	-
	-
	-bool
	-mongocrypt_ctx_setopt_masterkey_local (mongocrypt_ctx_t *ctx)
	-{
	- if (!ctx) {
	- return false;
	- }
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (ctx->opts.kek.kms_provider) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "master key already set");
	- }
	-
	- ctx->opts.kek.kms_provider = MONGOCRYPT_KMS_PROVIDER_LOCAL;
	- return true;
	-}
	-
	-
	-bool
	-_mongocrypt_ctx_init (mongocrypt_ctx_t *ctx,
	- _mongocrypt_ctx_opts_spec_t *opts_spec)
	-{
	- bool has_id = false, has_alt_name = false, has_multiple_alt_names = false;
	-
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot double initialize");
	- }
	- ctx->initialized = true;
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	- /* Set some default functions */
	- ctx->vtable.mongo_op_keys = _mongo_op_keys;
	- ctx->vtable.mongo_feed_keys = _mongo_feed_keys;
	- ctx->vtable.mongo_done_keys = _mongo_done_keys;
	- ctx->vtable.next_kms_ctx = _next_kms_ctx;
	- ctx->vtable.kms_done = _kms_done;
	-
	- /* Check that required options are included and prohibited options are
	- * not.
	- */
	-
	- if (opts_spec->kek == OPT_REQUIRED) {
	- if (!ctx->opts.kek.kms_provider) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "master key required");
	- }
	- if (!(ctx->opts.kek.kms_provider & ctx->crypt->opts.kms_providers)) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "requested kms provider not configured");
	- }
	- }
	-
	- if (opts_spec->kek == OPT_PROHIBITED && ctx->opts.kek.kms_provider) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "master key prohibited");
	- }
	-
	- /* Special case. key_descriptor applies to explicit encryption. It must be
	- * either a key id or one key alt name, but not both.
	- * key_alt_names applies to creating a data key. It may be one or multiple
	- * key alt names.
	- */
	- has_id = !_mongocrypt_buffer_empty (&ctx->opts.key_id);
	- has_alt_name = !!(ctx->opts.key_alt_names);
	- has_multiple_alt_names = has_alt_name && !!(ctx->opts.key_alt_names->next);
	-
	- if (opts_spec->key_descriptor == OPT_REQUIRED) {
	- if (!has_id && !has_alt_name) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "either key id or key alt name required");
	- }
	-
	- if (has_id && has_alt_name) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "cannot have both key id and key alt name");
	- }
	-
	- if (has_multiple_alt_names) {
	- return _mongocrypt_ctx_fail_w_msg (
	- ctx, "must not specify multiple key alt names");
	- }
	- }
	-
	- if (opts_spec->key_descriptor == OPT_PROHIBITED) {
	- /* still okay if key_alt_names are allowed and only alt names were
	- * specified. */
	- if ((opts_spec->key_alt_names == OPT_PROHIBITED && has_alt_name) \|\|
	- has_id) {
	- return _mongocrypt_ctx_fail_w_msg (ctx,
	- "key id and alt name prohibited");
	- }
	- }
	-
	- if (opts_spec->algorithm == OPT_REQUIRED &&
	- ctx->opts.algorithm == MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "algorithm required");
	- }
	-
	- if (opts_spec->algorithm == OPT_PROHIBITED &&
	- ctx->opts.algorithm != MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "algorithm prohibited");
	- }
	-
	- _mongocrypt_key_broker_init (&ctx->kb, ctx->crypt);
	- return true;
	-}
	-
	-bool
	-_mongocrypt_ctx_state_from_key_broker (mongocrypt_ctx_t *ctx)
	-{
	- _mongocrypt_key_broker_t *kb;
	- mongocrypt_status_t *status;
	- mongocrypt_ctx_state_t new_state = MONGOCRYPT_CTX_ERROR;
	- bool ret = false;
	-
	- status = ctx->status;
	- kb = &ctx->kb;
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	-
	- switch (kb->state) {
	- case KB_ERROR:
	- _mongocrypt_status_copy_to (kb->status, status);
	- new_state = MONGOCRYPT_CTX_ERROR;
	- ret = false;
	- break;
	- case KB_ADDING_DOCS:
	- /* Require key documents from driver. */
	- new_state = MONGOCRYPT_CTX_NEED_MONGO_KEYS;
	- ret = true;
	- break;
	- case KB_AUTHENTICATING:
	- case KB_DECRYPTING_KEY_MATERIAL:
	- /* Encrypted keys need KMS. */
	- new_state = MONGOCRYPT_CTX_NEED_KMS;
	- ret = true;
	- break;
	- case KB_DONE:
	- new_state = MONGOCRYPT_CTX_READY;
	- if (kb->key_requests == NULL) {
	- /* No key requests were ever added. */
	- ctx->nothing_to_do = true; /* nothing to encrypt/decrypt */
	- }
	- ret = true;
	- break;
	- /* As currently implemented, we do not expect to ever be in KB_REQUESTING
	- * state when calling this function. */
	- case KB_REQUESTING:
	- CLIENT_ERR ("key broker in unexpected state");
	- new_state = MONGOCRYPT_CTX_ERROR;
	- ret = false;
	- break;
	- }
	-
	- if (new_state != ctx->state) {
	- ctx->state = new_state;
	- }
	-
	- return ret;
	-}
	-
	-
	-bool
	-mongocrypt_ctx_setopt_masterkey_aws_endpoint (mongocrypt_ctx_t *ctx,
	- const char *endpoint,
	- int32_t endpoint_len)
	-{
	- if (!ctx) {
	- return false;
	- }
	-
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_AWS &&
	- ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_NONE) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "endpoint prohibited");
	- }
	-
	- ctx->opts.kek.kms_provider = MONGOCRYPT_KMS_PROVIDER_AWS;
	-
	- if (ctx->opts.kek.provider.aws.endpoint) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "already set masterkey endpoint");
	- }
	-
	- ctx->opts.kek.provider.aws.endpoint = _mongocrypt_endpoint_new (
	- endpoint, endpoint_len, NULL /* opts */, ctx->status);
	- if (!ctx->opts.kek.provider.aws.endpoint) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- return true;
	-}
	-
	-bool
	-mongocrypt_ctx_setopt_key_encryption_key (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *bin)
	-{
	- bson_t as_bson;
	-
	- if (!ctx) {
	- return false;
	- }
	-
	- if (ctx->initialized) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	- }
	-
	- if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	- return false;
	- }
	-
	- if (ctx->opts.kek.kms_provider) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "key encryption key already set");
	- }
	-
	- if (!_mongocrypt_binary_to_bson (bin, &as_bson)) {
	- return _mongocrypt_ctx_fail_w_msg (ctx, "invalid BSON");
	- }
	-
	- if (!_mongocrypt_kek_parse_owned (&as_bson, &ctx->opts.kek, ctx->status)) {
	- return _mongocrypt_ctx_fail (ctx);
	- }
	-
	- if (ctx->crypt->log.trace_enabled) {
	- char *bin_str = bson_as_canonical_extended_json (&as_bson, NULL);
	- _mongocrypt_log (&ctx->crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\")",
	- BSON_FUNC,
	- "bin",
	- bin_str);
	- bson_free (bin_str);
	- }
	-
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-opts-private.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-opts-private.h
	deleted file mode 100644
	index 70db6111..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-opts-private.h
	+++ /dev/null
	@@ -1,189 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef MONGOCRYPT_OPTS_PRIVATE_H
	-#define MONGOCRYPT_OPTS_PRIVATE_H
	-
	-#include <bson/bson.h>
	-
	-#include "mongocrypt.h"
	-#include "mongocrypt-buffer-private.h"
	-#include "mongocrypt-log-private.h"
	-#include "mongocrypt-endpoint-private.h"
	-#include "mongocrypt-kek-private.h"
	-
	-typedef struct {
	- char *tenant_id;
	- char *client_id;
	- char *client_secret;
	- _mongocrypt_endpoint_t *identity_platform_endpoint;
	-} _mongocrypt_opts_kms_provider_azure_t;
	-
	-typedef struct {
	- char *email;
	- _mongocrypt_buffer_t private_key;
	- _mongocrypt_endpoint_t *endpoint;
	-} _mongocrypt_opts_kms_provider_gcp_t;
	-
	-typedef struct {
	- char *secret_access_key;
	- char *access_key_id;
	- char *session_token;
	-} _mongocrypt_opts_kms_provider_aws_t;
	-
	-typedef struct {
	- _mongocrypt_buffer_t key;
	-} _mongocrypt_opts_kms_provider_local_t;
	-
	-typedef struct {
	- _mongocrypt_endpoint_t *endpoint;
	-} _mongocrypt_opts_kms_provider_kmip_t;
	-
	-typedef struct {
	- mongocrypt_log_fn_t log_fn;
	- void *log_ctx;
	- _mongocrypt_buffer_t schema_map;
	-
	- int kms_providers; /* A bit set of _mongocrypt_kms_provider_t */
	- _mongocrypt_opts_kms_provider_local_t kms_provider_local;
	- _mongocrypt_opts_kms_provider_aws_t kms_provider_aws;
	- _mongocrypt_opts_kms_provider_azure_t kms_provider_azure;
	- _mongocrypt_opts_kms_provider_gcp_t kms_provider_gcp;
	- _mongocrypt_opts_kms_provider_kmip_t kms_provider_kmip;
	- mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5;
	- void *sign_ctx;
	-} _mongocrypt_opts_t;
	-
	-
	-void
	-_mongocrypt_opts_init (_mongocrypt_opts_t *opts);
	-
	-
	-void
	-_mongocrypt_opts_cleanup (_mongocrypt_opts_t *opts);
	-
	-
	-bool
	-_mongocrypt_opts_validate (_mongocrypt_opts_t *opts,
	- mongocrypt_status_t *status)
	- MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-/*
	- * Parse an optional UTF-8 value from BSON.
	- * @dotkey may be a dot separated key like: "a.b.c".
	- * @*out is set to a copy of the string if found, NULL otherwise. Caller must
	- * clean up with bson_free (*out).
	- * Returns true if no error occured.
	- */
	-bool
	-_mongocrypt_parse_optional_utf8 (const bson_t *bson,
	- const char *dotkey,
	- char **out,
	- mongocrypt_status_t *status);
	-
	-/*
	- * Parse a required UTF-8 value from BSON.
	- * @dotkey may be a dot separated key like: "a.b.c".
	- * @*out is set to a copy of the string if found, NULL otherwise. Caller must
	- * clean up with bson_free (*out).
	- * Returns true if no error occured.
	- */
	-bool
	-_mongocrypt_parse_required_utf8 (const bson_t *bson,
	- const char *dotkey,
	- char **out,
	- mongocrypt_status_t *status);
	-
	-/*
	- * Parse an optional endpoint UTF-8 from BSON.
	- * @dotkey may be a dot separated key like: "a.b.c".
	- * @*out is set to a new _mongocrypt_endpoint_t of the if found, NULL otherwise.
	- * @*opts may be set to configure endpoint parsing. It is optional and may be NULL.
	- * Caller must clean up with _mongocrypt_endpoint_destroy (*out).
	- * Returns true if no error occured.
	- */
	-bool
	-_mongocrypt_parse_optional_endpoint (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_endpoint_t **out,
	- _mongocrypt_endpoint_parse_opts_t *opts,
	- mongocrypt_status_t *status);
	-
	-/*
	- * Parse a required endpoint UTF-8 from BSON.
	- * @dotkey may be a dot separated key like: "a.b.c".
	- * @*out is set to a new _mongocrypt_endpoint_t of the if found, NULL otherwise.
	- * @*opts may be set to configure endpoint parsing. It is optional and may be NULL.
	- * Caller must clean up with _mongocrypt_endpoint_destroy (*out).
	- * Returns true if no error occured.
	- */
	-bool
	-_mongocrypt_parse_required_endpoint (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_endpoint_t **out,
	- _mongocrypt_endpoint_parse_opts_t *opts,
	- mongocrypt_status_t *status);
	-
	-/*
	- * Parse an optional binary type from BSON.
	- * The field parsed is accepted as:
	- * - A BSON binary value (of any subtype).
	- * - A BSON UTF-8 value, set to base64 encoded data.
	- *
	- * @dotkey may be a dot separated key like: "a.b.c"
	- * @out is initialized with the parsed data, or initialized to empty on error.
	- * Caller must clean up with _mongocrypt_buffer_cleanup (out).
	- * Returns true if no error occurred.
	- */
	-bool
	-_mongocrypt_parse_optional_binary (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status);
	-
	-/*
	- * Parse a required binary type from BSON.
	- * The field parsed is accepted as:
	- * - A BSON binary value (of any subtype).
	- * - A BSON UTF-8 value, set to base64 encoded data.
	- *
	- * @dotkey may be a dot separated key like: "a.b.c"
	- * @out is initialized with the parsed data, or initialized to empty on error.
	- * Caller must clean up with _mongocrypt_buffer_cleanup (out).
	- * Returns true if no error occurred.
	- */
	-bool
	-_mongocrypt_parse_required_binary (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status);
	-
	-/*
	- * Checks for unrecognized fields in parsing @bson.
	- * @dotkey is a dot separated path to a document field, like "a.b.c" or NULL.
	- * Pass a list of allowed fields.
	- * Returns true if no error occurred.
	- */
	-bool
	-_mongocrypt_check_allowed_fields_va (const bson_t *bson,
	- const char *dotkey,
	- mongocrypt_status_t *status,
	- ...);
	-
	-#define _mongocrypt_check_allowed_fields(bson, path, status, ...) \
	- _mongocrypt_check_allowed_fields_va (bson, path, status, __VA_ARGS__, NULL)
	-
	-#endif /* MONGOCRYPT_OPTS_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-opts.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-opts.c
	deleted file mode 100644
	index f384de5d..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-opts.c
	+++ /dev/null
	@@ -1,290 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#include "mongocrypt-opts-private.h"
	-#include "mongocrypt-log-private.h"
	-#include "mongocrypt-private.h"
	-
	-#include <kms_message/kms_b64.h>
	-
	-void
	-_mongocrypt_opts_init (_mongocrypt_opts_t *opts)
	-{
	- memset (opts, 0, sizeof (*opts));
	-}
	-
	-static void
	-_mongocrypt_opts_kms_provider_azure_cleanup (
	- _mongocrypt_opts_kms_provider_azure_t *kms_provider_azure)
	-{
	- bson_free (kms_provider_azure->client_id);
	- bson_free (kms_provider_azure->client_secret);
	- bson_free (kms_provider_azure->tenant_id);
	- _mongocrypt_endpoint_destroy (
	- kms_provider_azure->identity_platform_endpoint);
	-}
	-
	-static void
	-_mongocrypt_opts_kms_provider_gcp_cleanup (
	- _mongocrypt_opts_kms_provider_gcp_t *kms_provider_gcp)
	-{
	- bson_free (kms_provider_gcp->email);
	- _mongocrypt_endpoint_destroy (kms_provider_gcp->endpoint);
	- _mongocrypt_buffer_cleanup (&kms_provider_gcp->private_key);
	-}
	-
	-void
	-_mongocrypt_opts_cleanup (_mongocrypt_opts_t *opts)
	-{
	- bson_free (opts->kms_provider_aws.secret_access_key);
	- bson_free (opts->kms_provider_aws.access_key_id);
	- bson_free (opts->kms_provider_aws.session_token);
	- _mongocrypt_buffer_cleanup (&opts->kms_provider_local.key);
	- _mongocrypt_buffer_cleanup (&opts->schema_map);
	- _mongocrypt_opts_kms_provider_azure_cleanup (&opts->kms_provider_azure);
	- _mongocrypt_opts_kms_provider_gcp_cleanup (&opts->kms_provider_gcp);
	- _mongocrypt_endpoint_destroy (opts->kms_provider_kmip.endpoint);
	-}
	-
	-
	-bool
	-_mongocrypt_opts_validate (_mongocrypt_opts_t *opts,
	- mongocrypt_status_t *status)
	-{
	- if (!opts->kms_providers) {
	- CLIENT_ERR ("no kms provider set");
	- return false;
	- }
	-
	- if (opts->kms_providers & MONGOCRYPT_KMS_PROVIDER_AWS) {
	- if (!opts->kms_provider_aws.access_key_id \|\|
	- !opts->kms_provider_aws.secret_access_key) {
	- CLIENT_ERR ("aws credentials unset");
	- return false;
	- }
	- }
	-
	- if (opts->kms_providers & MONGOCRYPT_KMS_PROVIDER_LOCAL) {
	- if (_mongocrypt_buffer_empty (&opts->kms_provider_local.key)) {
	- CLIENT_ERR ("local data key unset");
	- return false;
	- }
	- }
	-
	- return true;
	-}
	-
	-bool
	-_mongocrypt_parse_optional_utf8 (const bson_t *bson,
	- const char *dotkey,
	- char **out,
	- mongocrypt_status_t *status)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	-
	- *out = NULL;
	-
	- if (!bson_iter_init (&iter, bson)) {
	- CLIENT_ERR ("invalid BSON");
	- return false;
	- }
	- if (!bson_iter_find_descendant (&iter, dotkey, &child)) {
	- /* Not found. Not an error. */
	- return true;
	- }
	- if (!BSON_ITER_HOLDS_UTF8 (&child)) {
	- CLIENT_ERR ("expected UTF-8 %s", dotkey);
	- return false;
	- }
	-
	- *out = bson_strdup (bson_iter_utf8 (&child, NULL));
	- return true;
	-}
	-
	-
	-bool
	-_mongocrypt_parse_required_utf8 (const bson_t *bson,
	- const char *dotkey,
	- char **out,
	- mongocrypt_status_t *status)
	-{
	- if (!_mongocrypt_parse_optional_utf8 (bson, dotkey, out, status)) {
	- return false;
	- }
	-
	- if (!*out) {
	- CLIENT_ERR ("expected UTF-8 %s", dotkey);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-bool
	-_mongocrypt_parse_optional_endpoint (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_endpoint_t **out,
	- _mongocrypt_endpoint_parse_opts_t *opts,
	- mongocrypt_status_t *status)
	-{
	- char *endpoint_raw;
	-
	- *out = NULL;
	-
	- if (!_mongocrypt_parse_optional_utf8 (bson, dotkey, &endpoint_raw, status)) {
	- return false;
	- }
	-
	- /* Not found. Not an error. */
	- if (!endpoint_raw) {
	- return true;
	- }
	-
	- *out = _mongocrypt_endpoint_new (endpoint_raw, -1, opts, status);
	- bson_free (endpoint_raw);
	- return (*out) != NULL;
	-}
	-
	-bool
	-_mongocrypt_parse_required_endpoint (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_endpoint_t **out,
	- _mongocrypt_endpoint_parse_opts_t *opts,
	- mongocrypt_status_t *status)
	-{
	- if (!_mongocrypt_parse_optional_endpoint (bson, dotkey, out, opts, status)) {
	- return false;
	- }
	-
	- if (!*out) {
	- CLIENT_ERR ("expected endpoint %s", dotkey);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-bool
	-_mongocrypt_parse_optional_binary (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- bson_iter_t iter;
	- bson_iter_t child;
	-
	- _mongocrypt_buffer_init (out);
	-
	- if (!bson_iter_init (&iter, bson)) {
	- CLIENT_ERR ("invalid BSON");
	- return false;
	- }
	- if (!bson_iter_find_descendant (&iter, dotkey, &child)) {
	- /* Not found. Not an error. */
	- return true;
	- }
	- if (BSON_ITER_HOLDS_UTF8 (&child)) {
	- size_t out_len;
	- /* Attempt to base64 decode. */
	- out->data =
	- kms_message_b64_to_raw (bson_iter_utf8 (&child, NULL), &out_len);
	- if (!out->data) {
	- CLIENT_ERR ("unable to parse base64 from UTF-8 field %s", dotkey);
	- return false;
	- }
	- out->len = (uint32_t) out_len;
	- out->owned = true;
	- } else if (BSON_ITER_HOLDS_BINARY (&child)) {
	- if (!_mongocrypt_buffer_copy_from_binary_iter (out, &child)) {
	- CLIENT_ERR ("unable to parse binary from field %s", dotkey);
	- return false;
	- }
	- } else {
	- CLIENT_ERR ("expected UTF-8 or binary %s", dotkey);
	- return false;
	- }
	-
	-
	- return true;
	-}
	-
	-bool
	-_mongocrypt_parse_required_binary (const bson_t *bson,
	- const char *dotkey,
	- _mongocrypt_buffer_t *out,
	- mongocrypt_status_t *status)
	-{
	- if (!_mongocrypt_parse_optional_binary (bson, dotkey, out, status)) {
	- return false;
	- }
	-
	- if (out->len == 0) {
	- CLIENT_ERR ("expected UTF-8 or binary %s", dotkey);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-bool
	-_mongocrypt_check_allowed_fields_va (const bson_t *bson,
	- const char *dotkey,
	- mongocrypt_status_t *status,
	- ...)
	-{
	- va_list args;
	- const char *field;
	- bson_iter_t iter;
	-
	- if (dotkey) {
	- bson_iter_t parent;
	-
	- bson_iter_init (&parent, bson);
	- if (!bson_iter_find_descendant (&parent, dotkey, &iter) \|\|
	- !BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	- CLIENT_ERR ("invalid BSON, expected %s", dotkey);
	- return false;
	- }
	- bson_iter_recurse (&iter, &iter);
	- } else {
	- bson_iter_init (&iter, bson);
	- }
	-
	- while (bson_iter_next (&iter)) {
	- bool found = false;
	-
	- va_start (args, status);
	- field = va_arg (args, const char *);
	- while (field) {
	- if (0 == strcmp (field, bson_iter_key (&iter))) {
	- found = true;
	- break;
	- }
	- field = va_arg (args, const char *);
	- }
	- va_end (args);
	-
	- if (!found) {
	- CLIENT_ERR ("Unexpected field: '%s'", bson_iter_key (&iter));
	- return false;
	- }
	- }
	- return true;
	-}
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-os-private.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-os-private.h
	deleted file mode 100644
	index cf4d3620..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-os-private.h
	+++ /dev/null
	@@ -1,24 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef MONGOCRYPT_OS_PRIVATE_H
	-#define MONGOCRYPT_OS_PRIVATE_H
	-
	-int
	-_mongocrypt_once(void (*init_routine)(void));
	-
	-
	-#endif /* MONGOCRYPT_OS_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-private.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-private.h
	deleted file mode 100644
	index 00d368ce..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-private.h
	+++ /dev/null
	@@ -1,107 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef MONGOCRYPT_PRIVATE_H
	-#define MONGOCRYPT_PRIVATE_H
	-
	-#include "mongocrypt.h"
	-#include "mongocrypt-config.h"
	-#include "bson/bson.h"
	-
	-#include "mongocrypt-log-private.h"
	-#include "mongocrypt-buffer-private.h"
	-#include "mongocrypt-cache-private.h"
	-#include "mongocrypt-cache-key-private.h"
	-#include "mongocrypt-mutex-private.h"
	-#include "mongocrypt-opts-private.h"
	-#include "mongocrypt-crypto-private.h"
	-#include "mongocrypt-cache-oauth-private.h"
	-
	-
	-#define MONGOCRYPT_GENERIC_ERROR_CODE 1
	-
	-#define CLIENT_ERR_W_CODE(code, ...) \
	- _mongocrypt_set_error ( \
	- status, MONGOCRYPT_STATUS_ERROR_CLIENT, code, __VA_ARGS__)
	-
	-#define CLIENT_ERR(...) \
	- CLIENT_ERR_W_CODE (MONGOCRYPT_GENERIC_ERROR_CODE, __VA_ARGS__)
	-
	-#define KMS_ERR_W_CODE(code, ...) \
	- _mongocrypt_set_error ( \
	- status, MONGOCRYPT_STATUS_ERROR_KMS, code, __VA_ARGS__)
	-
	-#define KMS_ERR(...) KMS_ERR_W_CODE (MONGOCRYPT_GENERIC_ERROR_CODE, __VA_ARGS__)
	-
	-#define MONGOCRYPT_STR_AND_LEN(x) (x), (sizeof (x) / sizeof ((x)[0]) - 1)
	-
	-#define MONGOCRYPT_DATA_AND_LEN(x) \
	- ((uint8_t *) x), (sizeof (x) / sizeof ((x)[0]) - 1)
	-
	-/* TODO: remove after integrating into libmongoc */
	-#define BSON_SUBTYPE_ENCRYPTED 6
	-
	-/* TODO: Move these to mongocrypt-log-private.h? */
	-const char *
	-tmp_json (const bson_t *bson);
	-
	-const char *
	-tmp_buf (const _mongocrypt_buffer_t *buf);
	-
	-
	-void
	-_mongocrypt_set_error (mongocrypt_status_t *status,
	- mongocrypt_status_type_t type,
	- uint32_t code,
	- const char *format,
	- ...);
	-
	-
	-struct _mongocrypt_t {
	- bool initialized;
	- _mongocrypt_opts_t opts;
	- mongocrypt_mutex_t mutex;
	- /* The collinfo and key cache are protected with an internal mutex. */
	- _mongocrypt_cache_t cache_collinfo;
	- _mongocrypt_cache_t cache_key;
	- _mongocrypt_log_t log;
	- mongocrypt_status_t *status;
	- _mongocrypt_crypto_t *crypto;
	- /* A counter, protected by mutex, for generating unique context ids */
	- uint32_t ctx_counter;
	- _mongocrypt_cache_oauth_t *cache_oauth_azure;
	- _mongocrypt_cache_oauth_t *cache_oauth_gcp;
	-};
	-
	-typedef enum {
	- MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE = 0,
	- MONGOCRYPT_ENCRYPTION_ALGORITHM_DETERMINISTIC = 1,
	- MONGOCRYPT_ENCRYPTION_ALGORITHM_RANDOM = 2
	-} mongocrypt_encryption_algorithm_t;
	-
	-
	-bool
	-_mongocrypt_validate_and_copy_string (const char *in,
	- int32_t in_len,
	- char **out) MONGOCRYPT_WARN_UNUSED_RESULT;
	-
	-char *
	-_mongocrypt_new_string_from_bytes (const void *in, int len);
	-
	-char *
	-_mongocrypt_new_json_string_from_binary (mongocrypt_binary_t *binary);
	-
	-#endif /* MONGOCRYPT_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-util-private.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-util-private.h
	deleted file mode 100644
	index 97c8bf3c..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-util-private.h
	+++ /dev/null
	@@ -1,29 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef MONGOCRYPT_UTIL_PRIVATE_H
	-#define MONGOCRYPT_UTIL_PRIVATE_H
	-
	-#include <stdbool.h>
	-#include <stddef.h>
	-#include <stdint.h>
	-
	-/* A utility for safely casting from size_t to uint32_t.
	- * Returns false if @in exceeds the maximum value of a uint32_t. */
	-bool
	-size_to_uint32 (size_t in, uint32_t *out);
	-
	-#endif /* MONGOCRYPT_UTIL_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-util.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-util.c
	deleted file mode 100644
	index e47ef89e..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-util.c
	+++ /dev/null
	@@ -1,26 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongocrypt-util-private.h"
	-
	-bool size_to_uint32 (size_t in, uint32_t *out)
	-{
	- if (in > UINT32_MAX) {
	- return false;
	- }
	- *out = (uint32_t) in;
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.c b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.c
	deleted file mode 100644
	index 5f1d037e..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.c
	+++ /dev/null
	@@ -1,777 +0,0 @@
	-/*
	- * Copyright 2018-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <kms_message/kms_message.h>
	-#include <bson/bson.h>
	-
	-#include "mongocrypt-private.h"
	-#include "mongocrypt-binary-private.h"
	-#include "mongocrypt-cache-collinfo-private.h"
	-#include "mongocrypt-cache-key-private.h"
	-#include "mongocrypt-config.h"
	-#include "mongocrypt-crypto-private.h"
	-#include "mongocrypt-log-private.h"
	-#include "mongocrypt-opts-private.h"
	-#include "mongocrypt-os-private.h"
	-#include "mongocrypt-status-private.h"
	-
	-/* Assert size for interop with wrapper purposes */
	-BSON_STATIC_ASSERT (sizeof (mongocrypt_log_level_t) == 4);
	-
	-
	-const char *
	-mongocrypt_version (uint32_t *len)
	-{
	- if (len) {
	- *len = (uint32_t) strlen (MONGOCRYPT_VERSION);
	- }
	- return MONGOCRYPT_VERSION;
	-}
	-
	-
	-void
	-_mongocrypt_set_error (mongocrypt_status_t *status,
	- mongocrypt_status_type_t type,
	- uint32_t code,
	- const char *format,
	- ...)
	-{
	- va_list args;
	- char *prepared_message;
	-
	- if (status) {
	- va_start (args, format);
	- prepared_message = bson_strdupv_printf (format, args);
	- if (!prepared_message) {
	- mongocrypt_status_set (status, type, code, "Out of memory", -1);
	- } else {
	- mongocrypt_status_set (status, type, code, prepared_message, -1);
	- bson_free (prepared_message);
	- }
	- va_end (args);
	- }
	-}
	-
	-
	-const char *
	-tmp_json (const bson_t *bson)
	-{
	- static char storage[1024];
	- char *json;
	-
	- memset (storage, 0, 1024);
	- json = bson_as_canonical_extended_json (bson, NULL);
	- bson_snprintf (storage, sizeof (storage), "%s", json);
	- bson_free (json);
	- return (const char *) storage;
	-}
	-
	-
	-const char *
	-tmp_buf (const _mongocrypt_buffer_t *buf)
	-{
	- static char storage[1024];
	- uint32_t i, n;
	-
	- memset (storage, 0, 1024);
	- /* capped at two characters per byte, minus 1 for trailing \0 */
	- n = sizeof (storage) / 2 - 1;
	- if (buf->len < n) {
	- n = buf->len;
	- }
	-
	- for (i = 0; i < n; i++) {
	- bson_snprintf (storage + (i * 2), 3, "%02x", buf->data[i]);
	- }
	-
	- return (const char *) storage;
	-}
	-
	-void
	-_mongocrypt_do_init (void)
	-{
	- (void) kms_message_init ();
	- _native_crypto_init ();
	-}
	-
	-
	-mongocrypt_t *
	-mongocrypt_new (void)
	-{
	- mongocrypt_t *crypt;
	-
	- crypt = bson_malloc0 (sizeof (mongocrypt_t));
	- BSON_ASSERT (crypt);
	-
	- _mongocrypt_mutex_init (&crypt->mutex);
	- _mongocrypt_cache_collinfo_init (&crypt->cache_collinfo);
	- _mongocrypt_cache_key_init (&crypt->cache_key);
	- crypt->status = mongocrypt_status_new ();
	- _mongocrypt_opts_init (&crypt->opts);
	- _mongocrypt_log_init (&crypt->log);
	- crypt->ctx_counter = 1;
	- crypt->cache_oauth_azure = _mongocrypt_cache_oauth_new ();
	- crypt->cache_oauth_gcp = _mongocrypt_cache_oauth_new ();
	-
	- if (0 != _mongocrypt_once (_mongocrypt_do_init) \|\|
	- !(_native_crypto_initialized)) {
	- mongocrypt_status_t *status = crypt->status;
	-
	- CLIENT_ERR ("failed to initialize");
	- /* Return crypt with failure status so caller can obtain error when
	- * calling mongocrypt_init */
	- }
	-
	- return crypt;
	-}
	-
	-
	-bool
	-mongocrypt_setopt_log_handler (mongocrypt_t *crypt,
	- mongocrypt_log_fn_t log_fn,
	- void *log_ctx)
	-{
	- if (!crypt) {
	- return false;
	- }
	-
	- if (crypt->initialized) {
	- mongocrypt_status_t *status = crypt->status;
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	- crypt->opts.log_fn = log_fn;
	- crypt->opts.log_ctx = log_ctx;
	- return true;
	-}
	-
	-bool
	-mongocrypt_setopt_kms_provider_aws (mongocrypt_t *crypt,
	- const char *aws_access_key_id,
	- int32_t aws_access_key_id_len,
	- const char *aws_secret_access_key,
	- int32_t aws_secret_access_key_len)
	-{
	- mongocrypt_status_t *status;
	-
	- if (!crypt) {
	- return false;
	- }
	- status = crypt->status;
	-
	- if (crypt->initialized) {
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	-
	- if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_AWS)) {
	- CLIENT_ERR ("aws kms provider already set");
	- return false;
	- }
	-
	- if (!_mongocrypt_validate_and_copy_string (
	- aws_access_key_id,
	- aws_access_key_id_len,
	- &crypt->opts.kms_provider_aws.access_key_id)) {
	- CLIENT_ERR ("invalid aws access key id");
	- return false;
	- }
	-
	- if (!_mongocrypt_validate_and_copy_string (
	- aws_secret_access_key,
	- aws_secret_access_key_len,
	- &crypt->opts.kms_provider_aws.secret_access_key)) {
	- CLIENT_ERR ("invalid aws secret access key");
	- return false;
	- }
	-
	- if (crypt->log.trace_enabled) {
	- _mongocrypt_log (&crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\", %s=%d, %s=\"%s\", %s=%d)",
	- BSON_FUNC,
	- "aws_access_key_id",
	- crypt->opts.kms_provider_aws.access_key_id,
	- "aws_access_key_id_len",
	- aws_access_key_id_len,
	- "aws_secret_access_key",
	- crypt->opts.kms_provider_aws.secret_access_key,
	- "aws_secret_access_key_len",
	- aws_secret_access_key_len);
	- }
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_AWS;
	- return true;
	-}
	-
	-char *
	-_mongocrypt_new_string_from_bytes (const void *in, int len)
	-{
	- const int max_bytes = 100;
	- const int chars_per_byte = 2;
	- int out_size = max_bytes * chars_per_byte;
	- const unsigned char *src = in;
	- char *out;
	- char *ret;
	-
	- out_size += len > max_bytes ? sizeof ("...") : 1 /* for null */;
	- out = bson_malloc0 (out_size);
	- BSON_ASSERT (out);
	-
	- ret = out;
	-
	- for (int i = 0; i < len && i < max_bytes; i++, out += chars_per_byte) {
	- sprintf (out, "%02X", src[i]);
	- }
	-
	- sprintf (out, (len > max_bytes) ? "..." : "");
	- return ret;
	-}
	-
	-char *
	-_mongocrypt_new_json_string_from_binary (mongocrypt_binary_t *binary)
	-{
	- bson_t bson;
	- uint32_t len;
	-
	- if (!_mongocrypt_binary_to_bson (binary, &bson) \|\|
	- !bson_validate (&bson, BSON_VALIDATE_NONE, NULL)) {
	- char *hex;
	- char *full_str;
	-
	- hex = _mongocrypt_new_string_from_bytes (binary->data, binary->len);
	- full_str = bson_strdup_printf ("(malformed) %s", hex);
	- bson_free (hex);
	- return full_str;
	- }
	- return bson_as_canonical_extended_json (&bson, (size_t *) &len);
	-}
	-
	-bool
	-mongocrypt_setopt_schema_map (mongocrypt_t *crypt,
	- mongocrypt_binary_t *schema_map)
	-{
	- bson_t tmp;
	- bson_error_t bson_err;
	- mongocrypt_status_t *status;
	-
	- if (!crypt) {
	- return false;
	- }
	- status = crypt->status;
	-
	- if (crypt->initialized) {
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	-
	- if (!schema_map \|\| !mongocrypt_binary_data (schema_map)) {
	- CLIENT_ERR ("passed null schema map");
	- return false;
	- }
	-
	- if (!_mongocrypt_buffer_empty (&crypt->opts.schema_map)) {
	- CLIENT_ERR ("already set schema map");
	- return false;
	- }
	-
	- _mongocrypt_buffer_copy_from_binary (&crypt->opts.schema_map, schema_map);
	-
	- /* validate bson */
	- if (!_mongocrypt_buffer_to_bson (&crypt->opts.schema_map, &tmp)) {
	- CLIENT_ERR ("invalid bson");
	- return false;
	- }
	-
	- if (!bson_validate_with_error (&tmp, BSON_VALIDATE_NONE, &bson_err)) {
	- CLIENT_ERR (bson_err.message);
	- return false;
	- }
	-
	- return true;
	-}
	-
	-
	-bool
	-mongocrypt_setopt_kms_provider_local (mongocrypt_t *crypt,
	- mongocrypt_binary_t *key)
	-{
	- mongocrypt_status_t *status;
	-
	- if (!crypt) {
	- return false;
	- }
	- status = crypt->status;
	-
	- if (crypt->initialized) {
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	-
	- if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_LOCAL)) {
	- CLIENT_ERR ("local kms provider already set");
	- return false;
	- }
	-
	- if (!key) {
	- CLIENT_ERR ("passed null key");
	- return false;
	- }
	-
	- if (mongocrypt_binary_len (key) != MONGOCRYPT_KEY_LEN) {
	- CLIENT_ERR ("local key must be %d bytes", MONGOCRYPT_KEY_LEN);
	- return false;
	- }
	-
	- if (crypt->log.trace_enabled) {
	- char *key_val;
	- key_val = _mongocrypt_new_string_from_bytes (key->data, key->len);
	-
	- _mongocrypt_log (&crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\")",
	- BSON_FUNC,
	- "key",
	- key_val);
	- bson_free (key_val);
	- }
	-
	- _mongocrypt_buffer_copy_from_binary (&crypt->opts.kms_provider_local.key,
	- key);
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_LOCAL;
	- return true;
	-}
	-
	-
	-bool
	-mongocrypt_init (mongocrypt_t *crypt)
	-{
	- mongocrypt_status_t *status;
	-
	- if (!crypt) {
	- return false;
	- }
	- status = crypt->status;
	- if (crypt->initialized) {
	- CLIENT_ERR ("already initialized");
	- return false;
	- }
	-
	- crypt->initialized = true;
	-
	- if (!mongocrypt_status_ok (crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_opts_validate (&crypt->opts, status)) {
	- return false;
	- }
	-
	- if (crypt->opts.log_fn) {
	- _mongocrypt_log_set_fn (
	- &crypt->log, crypt->opts.log_fn, crypt->opts.log_ctx);
	- }
	-
	- if (!crypt->crypto) {
	-#ifndef MONGOCRYPT_ENABLE_CRYPTO
	- CLIENT_ERR ("libmongocrypt built with native crypto disabled. crypto "
	- "hooks required");
	- return false;
	-#else
	- /* set default hooks. */
	- crypt->crypto = bson_malloc0 (sizeof (*crypt->crypto));
	- BSON_ASSERT (crypt->crypto);
	-
	-#endif
	- }
	- return true;
	-}
	-
	-
	-bool
	-mongocrypt_status (mongocrypt_t crypt, mongocrypt_status_t out)
	-{
	- if (!crypt) {
	- return false;
	- }
	-
	- if (!out) {
	- mongocrypt_status_t *status = crypt->status;
	- CLIENT_ERR ("argument 'out' is required");
	- return false;
	- }
	-
	- if (!mongocrypt_status_ok (crypt->status)) {
	- _mongocrypt_status_copy_to (crypt->status, out);
	- return false;
	- }
	- _mongocrypt_status_reset (out);
	- return true;
	-}
	-
	-
	-void
	-mongocrypt_destroy (mongocrypt_t *crypt)
	-{
	- if (!crypt) {
	- return;
	- }
	- _mongocrypt_opts_cleanup (&crypt->opts);
	- _mongocrypt_cache_cleanup (&crypt->cache_collinfo);
	- _mongocrypt_cache_cleanup (&crypt->cache_key);
	- _mongocrypt_mutex_cleanup (&crypt->mutex);
	- _mongocrypt_log_cleanup (&crypt->log);
	- mongocrypt_status_destroy (crypt->status);
	- bson_free (crypt->crypto);
	- _mongocrypt_cache_oauth_destroy (crypt->cache_oauth_azure);
	- _mongocrypt_cache_oauth_destroy (crypt->cache_oauth_gcp);
	- bson_free (crypt);
	-}
	-
	-
	-bool
	-_mongocrypt_validate_and_copy_string (const char *in,
	- int32_t in_len,
	- char **out)
	-{
	- if (!in) {
	- return false;
	- }
	-
	- if (in_len < -1) {
	- return false;
	- }
	-
	- if (in_len == -1) {
	- in_len = (uint32_t) strlen (in);
	- }
	-
	- if (!bson_utf8_validate (in, in_len, false)) {
	- return false;
	- }
	- *out = bson_strndup (in, in_len);
	- return true;
	-}
	-
	-
	-bool
	-mongocrypt_setopt_crypto_hooks (mongocrypt_t *crypt,
	- mongocrypt_crypto_fn aes_256_cbc_encrypt,
	- mongocrypt_crypto_fn aes_256_cbc_decrypt,
	- mongocrypt_random_fn random,
	- mongocrypt_hmac_fn hmac_sha_512,
	- mongocrypt_hmac_fn hmac_sha_256,
	- mongocrypt_hash_fn sha_256,
	- void *ctx)
	-{
	- mongocrypt_status_t *status;
	-
	- if (!crypt) {
	- return false;
	- }
	-
	- status = crypt->status;
	-
	- if (crypt->initialized) {
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	-
	- if (crypt->crypto) {
	- CLIENT_ERR ("crypto_hooks already set");
	- return false;
	- }
	-
	- crypt->crypto = bson_malloc0 (sizeof (*crypt->crypto));
	- BSON_ASSERT (crypt->crypto);
	-
	- crypt->crypto->hooks_enabled = true;
	- crypt->crypto->ctx = ctx;
	-
	- if (!aes_256_cbc_encrypt) {
	- CLIENT_ERR ("aes_256_cbc_encrypt not set");
	- return false;
	- }
	- crypt->crypto->aes_256_cbc_encrypt = aes_256_cbc_encrypt;
	-
	- if (!aes_256_cbc_decrypt) {
	- CLIENT_ERR ("aes_256_cbc_decrypt not set");
	- return false;
	- }
	- crypt->crypto->aes_256_cbc_decrypt = aes_256_cbc_decrypt;
	-
	- if (!random) {
	- CLIENT_ERR ("random not set");
	- return false;
	- }
	- crypt->crypto->random = random;
	-
	- if (!hmac_sha_512) {
	- CLIENT_ERR ("hmac_sha_512 not set");
	- return false;
	- }
	- crypt->crypto->hmac_sha_512 = hmac_sha_512;
	-
	- if (!hmac_sha_256) {
	- CLIENT_ERR ("hmac_sha_256 not set");
	- return false;
	- }
	- crypt->crypto->hmac_sha_256 = hmac_sha_256;
	-
	- if (!sha_256) {
	- CLIENT_ERR ("sha_256 not set");
	- return false;
	- }
	- crypt->crypto->sha_256 = sha_256;
	-
	- return true;
	-}
	-
	-bool
	-mongocrypt_setopt_crypto_hook_sign_rsaes_pkcs1_v1_5 (
	- mongocrypt_t *crypt,
	- mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5,
	- void *sign_ctx)
	-{
	- mongocrypt_status_t *status;
	-
	- if (!crypt) {
	- return false;
	- }
	-
	- status = crypt->status;
	-
	- if (crypt->initialized) {
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	-
	- if (crypt->opts.sign_rsaes_pkcs1_v1_5) {
	- CLIENT_ERR ("signature hook already set");
	- return false;
	- }
	-
	- crypt->opts.sign_rsaes_pkcs1_v1_5 = sign_rsaes_pkcs1_v1_5;
	- crypt->opts.sign_ctx = sign_ctx;
	- return true;
	-}
	-
	-bool
	-mongocrypt_setopt_kms_providers (mongocrypt_t *crypt,
	- mongocrypt_binary_t *kms_providers)
	-{
	- mongocrypt_status_t *status;
	- bson_t as_bson;
	- bson_iter_t iter;
	-
	- if (!crypt) {
	- return false;
	- }
	- status = crypt->status;
	-
	- if (crypt->initialized) {
	- CLIENT_ERR ("options cannot be set after initialization");
	- return false;
	- }
	-
	- if (!_mongocrypt_binary_to_bson (kms_providers, &as_bson) \|\|
	- !bson_iter_init (&iter, &as_bson)) {
	- CLIENT_ERR ("invalid BSON");
	- return false;
	- }
	-
	- while (bson_iter_next (&iter)) {
	- const char *field_name;
	-
	- field_name = bson_iter_key (&iter);
	-
	- if (0 == strcmp (field_name, "azure")) {
	- if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_AZURE)) {
	- CLIENT_ERR ("azure KMS provider already set");
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_required_utf8 (
	- &as_bson,
	- "azure.tenantId",
	- &crypt->opts.kms_provider_azure.tenant_id,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_required_utf8 (
	- &as_bson,
	- "azure.clientId",
	- &crypt->opts.kms_provider_azure.client_id,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_required_utf8 (
	- &as_bson,
	- "azure.clientSecret",
	- &crypt->opts.kms_provider_azure.client_secret,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_optional_endpoint (
	- &as_bson,
	- "azure.identityPlatformEndpoint",
	- &crypt->opts.kms_provider_azure.identity_platform_endpoint,
	- NULL /* opts */,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_check_allowed_fields (&as_bson,
	- "azure",
	- crypt->status,
	- "tenantId",
	- "clientId",
	- "clientSecret",
	- "identityPlatformEndpoint")) {
	- return false;
	- }
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_AZURE;
	- } else if (0 == strcmp (field_name, "gcp")) {
	- if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_GCP)) {
	- CLIENT_ERR ("gcp KMS provider already set");
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_required_utf8 (
	- &as_bson,
	- "gcp.email",
	- &crypt->opts.kms_provider_gcp.email,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_required_binary (
	- &as_bson,
	- "gcp.privateKey",
	- &crypt->opts.kms_provider_gcp.private_key,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_optional_endpoint (
	- &as_bson,
	- "gcp.endpoint",
	- &crypt->opts.kms_provider_gcp.endpoint,
	- NULL /* opts */,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_check_allowed_fields (&as_bson,
	- "gcp",
	- crypt->status,
	- "email",
	- "privateKey",
	- "endpoint")) {
	- return false;
	- }
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_GCP;
	- } else if (0 == strcmp (field_name, "local")) {
	- if (!_mongocrypt_parse_required_binary (
	- &as_bson,
	- "local.key",
	- &crypt->opts.kms_provider_local.key,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (crypt->opts.kms_provider_local.key.len != MONGOCRYPT_KEY_LEN) {
	- CLIENT_ERR ("local key must be %d bytes", MONGOCRYPT_KEY_LEN);
	- return false;
	- }
	-
	- if (!_mongocrypt_check_allowed_fields (
	- &as_bson, "local", crypt->status, "key")) {
	- return false;
	- }
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_LOCAL;
	- } else if (0 == strcmp (field_name, "aws")) {
	- if (!_mongocrypt_parse_required_utf8 (
	- &as_bson,
	- "aws.accessKeyId",
	- &crypt->opts.kms_provider_aws.access_key_id,
	- crypt->status)) {
	- return false;
	- }
	- if (!_mongocrypt_parse_required_utf8 (
	- &as_bson,
	- "aws.secretAccessKey",
	- &crypt->opts.kms_provider_aws.secret_access_key,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_parse_optional_utf8 (
	- &as_bson,
	- "aws.sessionToken",
	- &crypt->opts.kms_provider_aws.session_token,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_check_allowed_fields (&as_bson,
	- "aws",
	- crypt->status,
	- "accessKeyId",
	- "secretAccessKey",
	- "sessionToken")) {
	- return false;
	- }
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_AWS;
	- } else if (0 == strcmp (field_name, "kmip")) {
	- _mongocrypt_endpoint_parse_opts_t opts = {0};
	-
	- opts.allow_empty_subdomain = true;
	- if (!_mongocrypt_parse_required_endpoint (
	- &as_bson,
	- "kmip.endpoint",
	- &crypt->opts.kms_provider_kmip.endpoint,
	- &opts,
	- crypt->status)) {
	- return false;
	- }
	-
	- if (!_mongocrypt_check_allowed_fields (
	- &as_bson, "kmip", crypt->status, "endpoint")) {
	- return false;
	- }
	- crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_KMIP;
	- } else {
	- CLIENT_ERR ("unsupported KMS provider: %s", field_name);
	- return false;
	- }
	- }
	-
	- if (crypt->log.trace_enabled) {
	- char *as_str = bson_as_json (&as_bson, NULL);
	- _mongocrypt_log (&crypt->log,
	- MONGOCRYPT_LOG_LEVEL_TRACE,
	- "%s (%s=\"%s\")",
	- BSON_FUNC,
	- "kms_providers",
	- as_str);
	- bson_free (as_str);
	- }
	-
	- return true;
	-}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.h b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.h
	deleted file mode 100644
	index e080094d..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.h
	+++ /dev/null
	@@ -1,1173 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-#ifndef MONGOCRYPT_H
	-#define MONGOCRYPT_H
	-
	-/** @file mongocrypt.h The top-level handle to libmongocrypt. */
	-
	-/**
	- * @mainpage libmongocrypt
	- * See all public API documentation in: @ref mongocrypt.h
	- */
	-
	-#include "mongocrypt-export.h"
	-#include "mongocrypt-compat.h"
	-#include "mongocrypt-config.h"
	-
	-/**
	- * @def MONGOCRYPT_VERSION
	- * The version string describing libmongocrypt.
	- * Has the form x.y.z-<pre>+<date>+git<sha>.
	- */
	-#define MONGOCRYPT_VERSION "1.3.0"
	-
	-/**
	- * Returns the version string for libmongocrypt.
	- *
	- * @param[out] len An optional length of the returned string. May be NULL.
	- * @returns a NULL terminated version string for libmongocrypt.
	- */
	-MONGOCRYPT_EXPORT
	-const char *
	-mongocrypt_version (uint32_t *len);
	-
	-
	-/**
	- * A non-owning view of a byte buffer.
	- *
	- * When constructing a mongocrypt_binary_t it is the responsibility of the
	- * caller to maintain the lifetime of the viewed data. However, all public
	- * functions that take a mongocrypt_binary_t as an argument will make a copy of
	- * the viewed data. For example, the following is valid:
	- *
	- * @code{.c}
	- * mongocrypt_binary_t bin = mongocrypt_binary_new_from_data(mydata, mylen);
	- * assert (mongocrypt_setopt_kms_provider_local (crypt), bin);
	- * // The viewed data of bin has been copied. Ok to free the view and the data.
	- * mongocrypt_binary_destroy (bin);
	- * my_free_fn (mydata);
	- * @endcode
	- *
	- * Functions with a mongocrypt_binary_t* out guarantee the lifetime of the
	- * viewed data to live as long as the parent object. For example, @ref
	- * mongocrypt_ctx_mongo_op guarantees that the viewed data of
	- * mongocrypt_binary_t is valid until the parent ctx is destroyed with @ref
	- * mongocrypt_ctx_destroy.
	- */
	-typedef struct _mongocrypt_binary_t mongocrypt_binary_t;
	-
	-
	-/**
	- * Create a new non-owning view of a buffer (data + length).
	- *
	- * Use this to create a mongocrypt_binary_t used for output parameters.
	- *
	- * @returns A new mongocrypt_binary_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_binary_t *
	-mongocrypt_binary_new (void);
	-
	-
	-/**
	- * Create a new non-owning view of a buffer (data + length).
	- *
	- * @param[in] data A pointer to an array of bytes. This data is not copied. @p
	- * data must outlive the binary object.
	- * @param[in] len The length of the @p data byte array.
	- *
	- * @returns A new @ref mongocrypt_binary_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_binary_t *
	-mongocrypt_binary_new_from_data (uint8_t *data, uint32_t len);
	-
	-
	-/**
	- * Get a pointer to the viewed data.
	- *
	- * @param[in] binary The @ref mongocrypt_binary_t.
	- *
	- * @returns A pointer to the viewed data.
	- */
	-MONGOCRYPT_EXPORT
	-uint8_t *
	-mongocrypt_binary_data (const mongocrypt_binary_t *binary);
	-
	-
	-/**
	- * Get the length of the viewed data.
	- *
	- * @param[in] binary The @ref mongocrypt_binary_t.
	- *
	- * @returns The length of the viewed data.
	- */
	-MONGOCRYPT_EXPORT
	-uint32_t
	-mongocrypt_binary_len (const mongocrypt_binary_t *binary);
	-
	-
	-/**
	- * Free the @ref mongocrypt_binary_t.
	- *
	- * This does not free the viewed data.
	- *
	- * @param[in] binary The mongocrypt_binary_t destroy.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_binary_destroy (mongocrypt_binary_t *binary);
	-
	-
	-/**
	- * Indicates success or contains error information.
	- *
	- * Functions like @ref mongocrypt_ctx_encrypt_init follow a pattern to expose a
	- * status. A boolean is returned. True indicates success, and false indicates
	- * failure. On failure a status on the handle is set, and is accessible with a
	- * corresponding (handle)_status function. E.g. @ref mongocrypt_ctx_status.
	- */
	-typedef struct _mongocrypt_status_t mongocrypt_status_t;
	-
	-/**
	- * Indicates the type of error.
	- */
	-typedef enum {
	- MONGOCRYPT_STATUS_OK = 0,
	- MONGOCRYPT_STATUS_ERROR_CLIENT = 1,
	- MONGOCRYPT_STATUS_ERROR_KMS = 2
	-} mongocrypt_status_type_t;
	-
	-
	-/**
	- * Create a new status object.
	- *
	- * Use a new status object to retrieve the status from a handle by passing
	- * this as an out-parameter to functions like @ref mongocrypt_ctx_status.
	- * When done, destroy it with @ref mongocrypt_status_destroy.
	- *
	- * @returns A new status object.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_status_t *
	-mongocrypt_status_new (void);
	-
	-
	-/**
	- * Set a status object with message, type, and code.
	- *
	- * Use this to set the @ref mongocrypt_status_t given in the crypto hooks.
	- *
	- * @param[in] type The status type.
	- * @param[in] code The status code.
	- * @param[in] message The message.
	- * @param[in] message_len Due to historical behavior, pass 1 + the string length
	- * of @p message (which differs from other functions accepting string
	- * arguments).
	- * Alternatively, if message is NULL terminated this may be -1 to tell
	- * mongocrypt
	- * to determine the string's length with strlen.
	- *
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_status_set (mongocrypt_status_t *status,
	- mongocrypt_status_type_t type,
	- uint32_t code,
	- const char *message,
	- int32_t message_len);
	-
	-
	-/**
	- * Indicates success or the type of error.
	- *
	- * @param[in] status The status object.
	- *
	- * @returns A @ref mongocrypt_status_type_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_status_type_t
	-mongocrypt_status_type (mongocrypt_status_t *status);
	-
	-
	-/**
	- * Get an error code or 0.
	- *
	- * @param[in] status The status object.
	- *
	- * @returns An error code.
	- */
	-MONGOCRYPT_EXPORT
	-uint32_t
	-mongocrypt_status_code (mongocrypt_status_t *status);
	-
	-
	-/**
	- * Get the error message associated with a status or NULL.
	- *
	- * @param[in] status The status object.
	- * @param[out] len An optional length of the returned string (excluding the
	- * trailing NULL byte). May be NULL.
	- *
	- * @returns A NULL terminated error message or NULL.
	- */
	-MONGOCRYPT_EXPORT
	-const char *
	-mongocrypt_status_message (mongocrypt_status_t status, uint32_t len);
	-
	-
	-/**
	- * Returns true if the status indicates success.
	- *
	- * @param[in] status The status to check.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_status_ok (mongocrypt_status_t *status);
	-
	-
	-/**
	- * Free the memory for a status object.
	- *
	- * @param[in] status The status to destroy.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_status_destroy (mongocrypt_status_t *status);
	-
	-/**
	- * Indicates the type of log message.
	- */
	-typedef enum {
	- MONGOCRYPT_LOG_LEVEL_FATAL = 0,
	- MONGOCRYPT_LOG_LEVEL_ERROR = 1,
	- MONGOCRYPT_LOG_LEVEL_WARNING = 2,
	- MONGOCRYPT_LOG_LEVEL_INFO = 3,
	- MONGOCRYPT_LOG_LEVEL_TRACE = 4
	-} mongocrypt_log_level_t;
	-
	-
	-/**
	- * A log callback function. Set a custom log callback with @ref
	- * mongocrypt_setopt_log_handler.
	- *
	- * @param[in] message A NULL terminated message.
	- * @param[in] message_len The length of message.
	- * @param[in] ctx A context provided by the caller of @ref
	- * mongocrypt_setopt_log_handler.
	- */
	-typedef void (*mongocrypt_log_fn_t) (mongocrypt_log_level_t level,
	- const char *message,
	- uint32_t message_len,
	- void *ctx);
	-
	-
	-/**
	- * The top-level handle to libmongocrypt.
	- *
	- * Create a mongocrypt_t handle to perform operations within libmongocrypt:
	- * encryption, decryption, registering log callbacks, etc.
	- *
	- * Functions on a mongocrypt_t are thread safe, though functions on derived
	- * handles (e.g. mongocrypt_ctx_t) are not and must be owned by a single
	- * thread. See each handle's documentation for thread-safety considerations.
	- *
	- * Multiple mongocrypt_t handles may be created.
	- */
	-typedef struct _mongocrypt_t mongocrypt_t;
	-
	-
	-/**
	- * Allocate a new @ref mongocrypt_t object.
	- *
	- * Set options using mongocrypt_setopt_* functions, then initialize with @ref
	- * mongocrypt_init. When done with the @ref mongocrypt_t, free with @ref
	- * mongocrypt_destroy.
	- *
	- * @returns A new @ref mongocrypt_t object.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_t *
	-mongocrypt_new (void);
	-
	-
	-/**
	- * Set a handler on the @ref mongocrypt_t object to get called on every log
	- * message.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] log_fn The log callback.
	- * @param[in] log_ctx A context passed as an argument to the log callback every
	- * invocation.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_log_handler (mongocrypt_t *crypt,
	- mongocrypt_log_fn_t log_fn,
	- void *log_ctx);
	-
	-
	-/**
	- * Configure an AWS KMS provider on the @ref mongocrypt_t object.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_setopt_kms_providers
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] aws_access_key_id The AWS access key ID used to generate KMS
	- * messages.
	- * @param[in] aws_access_key_id_len The string length (in bytes) of @p
	- * aws_access_key_id. Pass -1 to determine the string length with strlen (must
	- * be NULL terminated).
	- * @param[in] aws_secret_access_key The AWS secret access key used to generate
	- * KMS messages.
	- * @param[in] aws_secret_access_key_len The string length (in bytes) of @p
	- * aws_secret_access_key. Pass -1 to determine the string length with strlen
	- * (must be NULL terminated).
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_kms_provider_aws (mongocrypt_t *crypt,
	- const char *aws_access_key_id,
	- int32_t aws_access_key_id_len,
	- const char *aws_secret_access_key,
	- int32_t aws_secret_access_key_len);
	-
	-
	-/**
	- * Configure a local KMS provider on the @ref mongocrypt_t object.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_setopt_kms_providers
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] key A 96 byte master key used to encrypt and decrypt key vault
	- * keys. The viewed data is copied. It is valid to destroy @p key with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_kms_provider_local (mongocrypt_t *crypt,
	- mongocrypt_binary_t *key);
	-
	-/**
	- * Configure KMS providers with a BSON document.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] kms_providers A BSON document mapping the KMS provider names
	- * to credentials.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_kms_providers (mongocrypt_t *crypt,
	- mongocrypt_binary_t *kms_providers);
	-
	-/**
	- * Set a local schema map for encryption.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] schema_map A BSON document representing the schema map supplied by
	- * the user. The keys are collection namespaces and values are JSON schemas. The
	- * viewed data copied. It is valid to destroy @p schema_map with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @pre @p crypt has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_schema_map (mongocrypt_t *crypt,
	- mongocrypt_binary_t *schema_map);
	-
	-
	-/**
	- * Initialize new @ref mongocrypt_t object.
	- *
	- * Set options before using @ref mongocrypt_setopt_kms_provider_local, @ref
	- * mongocrypt_setopt_kms_provider_aws, or @ref mongocrypt_setopt_log_handler.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status Failure may occur if previously
	- * set
	- * options are invalid.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_init (mongocrypt_t *crypt);
	-
	-
	-/**
	- * Get the status associated with a @ref mongocrypt_t object.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[out] status Receives the status.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_status (mongocrypt_t crypt, mongocrypt_status_t status);
	-
	-
	-/**
	- * Destroy the @ref mongocrypt_t object.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object to destroy.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_destroy (mongocrypt_t *crypt);
	-
	-
	-/**
	- * Manages the state machine for encryption or decryption.
	- */
	-typedef struct _mongocrypt_ctx_t mongocrypt_ctx_t;
	-
	-
	-/**
	- * Create a new uninitialized @ref mongocrypt_ctx_t.
	- *
	- * Initialize the context with functions like @ref mongocrypt_ctx_encrypt_init.
	- * When done, destroy it with @ref mongocrypt_ctx_destroy.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @returns A new context.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_ctx_t *
	-mongocrypt_ctx_new (mongocrypt_t *crypt);
	-
	-
	-/**
	- * Get the status associated with a @ref mongocrypt_ctx_t object.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[out] status Receives the status.
	- *
	- * @returns True if the output is an ok status, false if it is an error
	- * status.
	- *
	- * @see mongocrypt_status_ok
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_status (mongocrypt_ctx_t ctx, mongocrypt_status_t status);
	-
	-
	-/**
	- * Set the key id to use for explicit encryption.
	- *
	- * It is an error to set both this and the key alt name.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] key_id The binary corresponding to the _id (a UUID) of the data
	- * key to use from the key vault collection. Note, the UUID must be encoded with
	- * RFC-4122 byte order. The viewed data is copied. It is valid to destroy
	- * @p key_id with @ref mongocrypt_binary_destroy immediately after.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_key_id (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *key_id);
	-
	-/**
	- * Set the keyAltName to use for explicit encryption or
	- * data key creation.
	- *
	- * Pass the binary encoding a BSON document like the following:
	- *
	- * { "keyAltName" : (BSON UTF8 value) }
	- *
	- * For explicit encryption, it is an error to set both the keyAltName
	- * and the key id.
	- *
	- * For creating data keys, call this function repeatedly to set
	- * multiple keyAltNames.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] key_alt_name The name to use. The viewed data is copied. It is
	- * valid to destroy @p key_alt_name with @ref mongocrypt_binary_destroy
	- * immediately after.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_key_alt_name (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *key_alt_name);
	-
	-/**
	- * Set the algorithm used for encryption to either
	- * deterministic or random encryption. This value
	- * should only be set when using explicit encryption.
	- *
	- * If -1 is passed in for "len", then "algorithm" is
	- * assumed to be a null-terminated string.
	- *
	- * Valid values for algorithm are:
	- * "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
	- * "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] algorithm A string specifying the algorithm to
	- * use for encryption.
	- * @param[in] len The length of the algorithm string.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_algorithm (mongocrypt_ctx_t *ctx,
	- const char *algorithm,
	- int len);
	-
	-
	-/**
	- * Identify the AWS KMS master key to use for creating a data key.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_ctx_setopt_key_encryption_key
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] region The AWS region.
	- * @param[in] region_len The string length of @p region. Pass -1 to determine
	- * the string length with strlen (must be NULL terminated).
	- * @param[in] cmk The Amazon Resource Name (ARN) of the customer master key
	- * (CMK).
	- * @param[in] cmk_len The string length of @p cmk_len. Pass -1 to determine the
	- * string length with strlen (must be NULL terminated).
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_masterkey_aws (mongocrypt_ctx_t *ctx,
	- const char *region,
	- int32_t region_len,
	- const char *cmk,
	- int32_t cmk_len);
	-
	-
	-/**
	- * Identify a custom AWS endpoint when creating a data key.
	- * This is used internally to construct the correct HTTP request
	- * (with the Host header set to this endpoint). This endpoint
	- * is persisted in the new data key, and will be returned via
	- * @ref mongocrypt_kms_ctx_endpoint.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_ctx_setopt_key_encryption_key
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] endpoint The endpoint.
	- * @param[in] endpoint_len The string length of @p endpoint. Pass -1 to
	- * determine the string length with strlen (must be NULL terminated).
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_masterkey_aws_endpoint (mongocrypt_ctx_t *ctx,
	- const char *endpoint,
	- int32_t endpoint_len);
	-
	-/**
	- * Set the master key to "local" for creating a data key.
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_ctx_setopt_key_encryption_key
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_masterkey_local (mongocrypt_ctx_t *ctx);
	-
	-/**
	- * Set key encryption key document for creating a data key.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] bin BSON representing the key encryption key document with
	- * an additional "provider" field. The following forms are accepted:
	- *
	- * AWS
	- * {
	- * provider: "aws",
	- * region: <string>,
	- * key: <string>,
	- * endpoint: <optional string>
	- * }
	- *
	- * Azure
	- * {
	- * provider: "azure",
	- * keyVaultEndpoint: <string>,
	- * keyName: <string>,
	- * keyVersion: <optional string>
	- * }
	- *
	- * GCP
	- * {
	- * provider: "gcp",
	- * projectId: <string>,
	- * location: <string>,
	- * keyRing: <string>,
	- * keyName: <string>,
	- * keyVersion: <string>,
	- * endpoint: <optional string>
	- * }
	- *
	- * Local
	- * {
	- * provider: "local"
	- * }
	- *
	- * KMIP
	- * {
	- * provider: "kmip",
	- * keyId: <optional string>
	- * endpoint: <string>
	- * }
	- *
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, and error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_key_encryption_key (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *bin);
	-
	-
	-/**
	- * Initialize a context to create a data key.
	- *
	- * Associated options:
	- * - @ref mongocrypt_ctx_setopt_masterkey_aws
	- * - @ref mongocrypt_ctx_setopt_masterkey_aws_endpoint
	- * - @ref mongocrypt_ctx_setopt_masterkey_local
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- * @pre A master key option has been set, and an associated KMS provider
	- * has been set on the parent @ref mongocrypt_t.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_datakey_init (mongocrypt_ctx_t *ctx);
	-
	-/**
	- * Initialize a context for encryption.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] db The database name.
	- * @param[in] db_len The byte length of @p db. Pass -1 to determine the string
	- * length with strlen (must
	- * be NULL terminated).
	- * @param[in] cmd The BSON command to be encrypted. The viewed data is copied.
	- * It is valid to destroy @p cmd with @ref mongocrypt_binary_destroy immediately
	- * after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_encrypt_init (mongocrypt_ctx_t *ctx,
	- const char *db,
	- int32_t db_len,
	- mongocrypt_binary_t *cmd);
	-
	-/**
	- * Explicit helper method to encrypt a single BSON object. Contexts
	- * created for explicit encryption will not go through mongocryptd.
	- *
	- * To specify a key_id, algorithm, or iv to use, please use the
	- * corresponding mongocrypt_setopt methods before calling this.
	- *
	- * This method expects the passed-in BSON to be of the form:
	- * { "v" : BSON value to encrypt }
	- *
	- * Associated options:
	- * - @ref mongocrypt_ctx_setopt_key_id
	- * - @ref mongocrypt_ctx_setopt_key_alt_name
	- * - @ref mongocrypt_ctx_setopt_algorithm
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @param[in] msg A @ref mongocrypt_binary_t the plaintext BSON value. The
	- * viewed data is copied. It is valid to destroy @p msg with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_explicit_encrypt_init (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *msg);
	-
	-
	-/**
	- * Initialize a context for decryption.
	- *
	- * This method expects the passed-in BSON to be of the form:
	- * { "v" : BSON value to encrypt }
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] doc The document to be decrypted. The viewed data is copied. It is
	- * valid to destroy @p doc with @ref mongocrypt_binary_destroy immediately
	- * after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_decrypt_init (mongocrypt_ctx_t ctx, mongocrypt_binary_t doc);
	-
	-
	-/**
	- * Explicit helper method to decrypt a single BSON object.
	- *
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @param[in] msg A @ref mongocrypt_binary_t the encrypted BSON. The viewed data
	- * is copied. It is valid to destroy @p msg with @ref mongocrypt_binary_destroy
	- * immediately after.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_explicit_decrypt_init (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *msg);
	-
	-
	-/**
	- * Indicates the state of the @ref mongocrypt_ctx_t. Each state requires
	- * different handling. See [the integration
	- * guide](https://github.com/mongodb/libmongocrypt/blob/master/integrating.md#state-machine)
	- * for information on what to do for each state.
	- */
	-typedef enum {
	- MONGOCRYPT_CTX_ERROR = 0,
	- MONGOCRYPT_CTX_NEED_MONGO_COLLINFO = 1, /* run on main MongoClient */
	- MONGOCRYPT_CTX_NEED_MONGO_MARKINGS = 2, /* run on mongocryptd. */
	- MONGOCRYPT_CTX_NEED_MONGO_KEYS = 3, /* run on key vault */
	- MONGOCRYPT_CTX_NEED_KMS = 4,
	- MONGOCRYPT_CTX_READY = 5, /* ready for encryption/decryption */
	- MONGOCRYPT_CTX_DONE = 6
	-} mongocrypt_ctx_state_t;
	-
	-
	-/**
	- * Get the current state of a context.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @returns A @ref mongocrypt_ctx_state_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_ctx_state_t
	-mongocrypt_ctx_state (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Get BSON necessary to run the mongo operation when mongocrypt_ctx_t
	- * is in MONGOCRYPT_CTX_NEED_MONGO_* states.
	- *
	- * @p op_bson is a BSON document to be used for the operation.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a listCollections filter.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a find filter.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a command to send to
	- * mongocryptd.
	- *
	- * The lifetime of @p op_bson is tied to the lifetime of @p ctx. It is valid
	- * until @ref mongocrypt_ctx_destroy is called.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[out] op_bson A BSON document for the MongoDB operation. The data
	- * viewed by @p op_bson is guaranteed to be valid until @p ctx is destroyed with
	- * @ref mongocrypt_ctx_destroy.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_mongo_op (mongocrypt_ctx_t ctx, mongocrypt_binary_t op_bson);
	-
	-
	-/**
	- * Feed a BSON reply or result when mongocrypt_ctx_t is in
	- * MONGOCRYPT_CTX_NEED_MONGO_* states. This may be called multiple times
	- * depending on the operation.
	- *
	- * reply is a BSON document result being fed back for this operation.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a doc from a listCollections
	- * cursor. (Note, if listCollections returned no result, do not call this
	- * function.)
	- * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a doc from a find cursor.
	- * (Note, if find returned no results, do not call this function. reply must
	- * not
	- * be NULL.)
	- * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a reply from mongocryptd.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] reply A BSON document for the MongoDB operation. The viewed data
	- * is copied. It is valid to destroy @p reply with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_mongo_feed (mongocrypt_ctx_t ctx, mongocrypt_binary_t reply);
	-
	-
	-/**
	- * Call when done feeding the reply (or replies) back to the context.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_mongo_done (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Manages a single KMS HTTP request/response.
	- */
	-typedef struct _mongocrypt_kms_ctx_t mongocrypt_kms_ctx_t;
	-
	-
	-/**
	- * Get the next KMS handle.
	- *
	- * Multiple KMS handles may be retrieved at once. Drivers may do this to fan
	- * out multiple concurrent KMS HTTP requests. Feeding multiple KMS requests
	- * is thread-safe.
	- *
	- * If KMS handles are being handled synchronously, the driver can reuse the same
	- * TLS socket to send HTTP requests and receive responses.
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @returns a new @ref mongocrypt_kms_ctx_t or NULL.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_kms_ctx_t *
	-mongocrypt_ctx_next_kms_ctx (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Get the HTTP request message for a KMS handle.
	- *
	- * The lifetime of @p msg is tied to the lifetime of @p kms. It is valid
	- * until @ref mongocrypt_ctx_kms_done is called.
	- *
	- * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	- * @param[out] msg The HTTP request to send to KMS. The data viewed by @p msg is
	- * guaranteed to be valid until the call of @ref mongocrypt_ctx_kms_done of the
	- * parent @ref mongocrypt_ctx_t.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_kms_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_message (mongocrypt_kms_ctx_t *kms,
	- mongocrypt_binary_t *msg);
	-
	-
	-/**
	- * Get the hostname from which to connect over TLS.
	- *
	- * The storage for @p endpoint is not owned by the caller, but
	- * is valid until calling @ref mongocrypt_ctx_kms_done.
	- *
	- * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	- * @param[out] endpoint The output endpoint as a NULL terminated string.
	- * The endpoint consists of a hostname and port separated by a colon.
	- * E.g. "example.com:123". A port is always present.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_kms_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_endpoint (mongocrypt_kms_ctx_t kms, const char *endpoint);
	-
	-
	-/**
	- * Indicates how many bytes to feed into @ref mongocrypt_kms_ctx_feed.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	- * @returns The number of requested bytes.
	- */
	-MONGOCRYPT_EXPORT
	-uint32_t
	-mongocrypt_kms_ctx_bytes_needed (mongocrypt_kms_ctx_t *kms);
	-
	-
	-/**
	- * Feed bytes from the HTTP response.
	- *
	- * Feeding more bytes than what has been returned in @ref
	- * mongocrypt_kms_ctx_bytes_needed is an error.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	- * @param[in] bytes The bytes to feed. The viewed data is copied. It is valid to
	- * destroy @p bytes with @ref mongocrypt_binary_destroy immediately after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_kms_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_feed (mongocrypt_kms_ctx_t kms, mongocrypt_binary_t bytes);
	-
	-
	-/**
	- * Get the status associated with a @ref mongocrypt_kms_ctx_t object.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	- * @param[out] status Receives the status.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_status (mongocrypt_kms_ctx_t *kms,
	- mongocrypt_status_t *status);
	-
	-/**
	- * Get the KMS provider identifier associated with this KMS request.
	- *
	- * This is used to conditionally configure TLS connections based on the KMS
	- * request. It is useful for KMIP, which authenticates with a client
	- * certificate.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	- * @param[out] len Receives the length of the returned string. It may be NULL.
	- * If it is not NULL, it is set to the length of the returned string without
	- * the NULL terminator.
	- *
	- * @returns One of the NULL terminated static strings: "aws", "azure", "gcp", or
	- * "kmip".
	- */
	-MONGOCRYPT_EXPORT
	-const char *
	-mongocrypt_kms_ctx_get_kms_provider (mongocrypt_kms_ctx_t kms, uint32_t len);
	-
	-
	-/**
	- * Call when done handling all KMS contexts.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_kms_done (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Perform the final encryption or decryption.
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @param[out] out The final BSON. The data viewed by @p out is guaranteed
	- * to be valid until @p ctx is destroyed with @ref mongocrypt_ctx_destroy.
	- * The meaning of this BSON depends on the type of @p ctx.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_encrypt_init, then
	- * this BSON is the (possibly) encrypted command to send to the server.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_decrypt_init, then
	- * this BSON is the decrypted result to return to the user.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_encrypt_init,
	- * then this BSON has the form { "v": (BSON binary) } where the BSON binary
	- * is the resulting encrypted value.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_decrypt_init,
	- * then this BSON has the form { "v": (BSON value) } where the BSON value
	- * is the resulting decrypted value.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_datakey_init, then
	- * this BSON is the document containing the new data key to be inserted into
	- * the key vault collection.
	- *
	- * @returns a bool indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out);
	-
	-
	-/**
	- * Destroy and free all memory associated with a @ref mongocrypt_ctx_t.
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_ctx_destroy (mongocrypt_ctx_t *ctx);
	-
	-/**
	- * An crypto AES-256-CBC encrypt or decrypt function.
	- *
	- * Note, @p in is already padded. Encrypt with padding disabled.
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[in] key An encryption key (32 bytes for AES_256).
	- * @param[in] iv An initialization vector (16 bytes for AES_256);
	- * @param[in] in The input.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[out] bytes_written Set this to the number of bytes written to @p out.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_crypto_fn) (void ctx,
	- mongocrypt_binary_t *key,
	- mongocrypt_binary_t *iv,
	- mongocrypt_binary_t *in,
	- mongocrypt_binary_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status);
	-
	-/**
	- * A crypto signature or HMAC function.
	- *
	- * Currently used in callbacks for HMAC SHA-512, HMAC SHA-256, and RSA SHA-256
	- * signature.
	- *
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[in] key An encryption key (32 bytes for HMAC_SHA512).
	- * @param[in] in The input.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_hmac_fn) (void ctx,
	- mongocrypt_binary_t *key,
	- mongocrypt_binary_t *in,
	- mongocrypt_binary_t *out,
	- mongocrypt_status_t *status);
	-
	-
	-/**
	- * A crypto hash (SHA-256) function.
	- *
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[in] in The input.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_hash_fn) (void ctx,
	- mongocrypt_binary_t *in,
	- mongocrypt_binary_t *out,
	- mongocrypt_status_t *status);
	-
	-/**
	- * A crypto secure random function.
	- *
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[in] count The number of random bytes requested.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_random_fn) (void ctx,
	- mongocrypt_binary_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status);
	-
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_crypto_hooks (mongocrypt_t *crypt,
	- mongocrypt_crypto_fn aes_256_cbc_encrypt,
	- mongocrypt_crypto_fn aes_256_cbc_decrypt,
	- mongocrypt_random_fn random,
	- mongocrypt_hmac_fn hmac_sha_512,
	- mongocrypt_hmac_fn hmac_sha_256,
	- mongocrypt_hash_fn sha_256,
	- void *ctx);
	-
	-/**
	- * Set a crypto hook for the RSASSA-PKCS1-v1_5 algorithm with a SHA-256 hash.
	- *
	- * See: https://tools.ietf.org/html/rfc3447#section-8.2
	- *
	- * Note: this function has the wrong name. It should be:
	- * mongocrypt_setopt_crypto_hook_sign_rsassa_pkcs1_v1_5
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] sign_rsaes_pkcs1_v1_5 The crypto callback function.
	- * @param[in] sign_ctx A context passed as an argument to the crypto callback every
	- * invocation.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_status
	- *
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_crypto_hook_sign_rsaes_pkcs1_v1_5 (
	- mongocrypt_t *crypt,
	- mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5,
	- void *sign_ctx);
	-
	-#endif /* MONGOCRYPT_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.h.in b/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.h.in
	deleted file mode 100644
	index a342c3d4..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt.h.in
	+++ /dev/null
	@@ -1,1173 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-#ifndef MONGOCRYPT_H
	-#define MONGOCRYPT_H
	-
	-/** @file mongocrypt.h The top-level handle to libmongocrypt. */
	-
	-/**
	- * @mainpage libmongocrypt
	- * See all public API documentation in: @ref mongocrypt.h
	- */
	-
	-#include "mongocrypt-export.h"
	-#include "mongocrypt-compat.h"
	-#include "mongocrypt-config.h"
	-
	-/**
	- * @def MONGOCRYPT_VERSION
	- * The version string describing libmongocrypt.
	- * Has the form x.y.z-<pre>+<date>+git<sha>.
	- */
	-#define MONGOCRYPT_VERSION "@MONGOCRYPT_BUILD_VERSION@"
	-
	-/**
	- * Returns the version string for libmongocrypt.
	- *
	- * @param[out] len An optional length of the returned string. May be NULL.
	- * @returns a NULL terminated version string for libmongocrypt.
	- */
	-MONGOCRYPT_EXPORT
	-const char *
	-mongocrypt_version (uint32_t *len);
	-
	-
	-/**
	- * A non-owning view of a byte buffer.
	- *
	- * When constructing a mongocrypt_binary_t it is the responsibility of the
	- * caller to maintain the lifetime of the viewed data. However, all public
	- * functions that take a mongocrypt_binary_t as an argument will make a copy of
	- * the viewed data. For example, the following is valid:
	- *
	- * @code{.c}
	- * mongocrypt_binary_t bin = mongocrypt_binary_new_from_data(mydata, mylen);
	- * assert (mongocrypt_setopt_kms_provider_local (crypt), bin);
	- * // The viewed data of bin has been copied. Ok to free the view and the data.
	- * mongocrypt_binary_destroy (bin);
	- * my_free_fn (mydata);
	- * @endcode
	- *
	- * Functions with a mongocrypt_binary_t* out guarantee the lifetime of the
	- * viewed data to live as long as the parent object. For example, @ref
	- * mongocrypt_ctx_mongo_op guarantees that the viewed data of
	- * mongocrypt_binary_t is valid until the parent ctx is destroyed with @ref
	- * mongocrypt_ctx_destroy.
	- */
	-typedef struct _mongocrypt_binary_t mongocrypt_binary_t;
	-
	-
	-/**
	- * Create a new non-owning view of a buffer (data + length).
	- *
	- * Use this to create a mongocrypt_binary_t used for output parameters.
	- *
	- * @returns A new mongocrypt_binary_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_binary_t *
	-mongocrypt_binary_new (void);
	-
	-
	-/**
	- * Create a new non-owning view of a buffer (data + length).
	- *
	- * @param[in] data A pointer to an array of bytes. This data is not copied. @p
	- * data must outlive the binary object.
	- * @param[in] len The length of the @p data byte array.
	- *
	- * @returns A new @ref mongocrypt_binary_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_binary_t *
	-mongocrypt_binary_new_from_data (uint8_t *data, uint32_t len);
	-
	-
	-/**
	- * Get a pointer to the viewed data.
	- *
	- * @param[in] binary The @ref mongocrypt_binary_t.
	- *
	- * @returns A pointer to the viewed data.
	- */
	-MONGOCRYPT_EXPORT
	-uint8_t *
	-mongocrypt_binary_data (const mongocrypt_binary_t *binary);
	-
	-
	-/**
	- * Get the length of the viewed data.
	- *
	- * @param[in] binary The @ref mongocrypt_binary_t.
	- *
	- * @returns The length of the viewed data.
	- */
	-MONGOCRYPT_EXPORT
	-uint32_t
	-mongocrypt_binary_len (const mongocrypt_binary_t *binary);
	-
	-
	-/**
	- * Free the @ref mongocrypt_binary_t.
	- *
	- * This does not free the viewed data.
	- *
	- * @param[in] binary The mongocrypt_binary_t destroy.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_binary_destroy (mongocrypt_binary_t *binary);
	-
	-
	-/**
	- * Indicates success or contains error information.
	- *
	- * Functions like @ref mongocrypt_ctx_encrypt_init follow a pattern to expose a
	- * status. A boolean is returned. True indicates success, and false indicates
	- * failure. On failure a status on the handle is set, and is accessible with a
	- * corresponding (handle)_status function. E.g. @ref mongocrypt_ctx_status.
	- */
	-typedef struct _mongocrypt_status_t mongocrypt_status_t;
	-
	-/**
	- * Indicates the type of error.
	- */
	-typedef enum {
	- MONGOCRYPT_STATUS_OK = 0,
	- MONGOCRYPT_STATUS_ERROR_CLIENT = 1,
	- MONGOCRYPT_STATUS_ERROR_KMS = 2
	-} mongocrypt_status_type_t;
	-
	-
	-/**
	- * Create a new status object.
	- *
	- * Use a new status object to retrieve the status from a handle by passing
	- * this as an out-parameter to functions like @ref mongocrypt_ctx_status.
	- * When done, destroy it with @ref mongocrypt_status_destroy.
	- *
	- * @returns A new status object.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_status_t *
	-mongocrypt_status_new (void);
	-
	-
	-/**
	- * Set a status object with message, type, and code.
	- *
	- * Use this to set the @ref mongocrypt_status_t given in the crypto hooks.
	- *
	- * @param[in] type The status type.
	- * @param[in] code The status code.
	- * @param[in] message The message.
	- * @param[in] message_len Due to historical behavior, pass 1 + the string length
	- * of @p message (which differs from other functions accepting string
	- * arguments).
	- * Alternatively, if message is NULL terminated this may be -1 to tell
	- * mongocrypt
	- * to determine the string's length with strlen.
	- *
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_status_set (mongocrypt_status_t *status,
	- mongocrypt_status_type_t type,
	- uint32_t code,
	- const char *message,
	- int32_t message_len);
	-
	-
	-/**
	- * Indicates success or the type of error.
	- *
	- * @param[in] status The status object.
	- *
	- * @returns A @ref mongocrypt_status_type_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_status_type_t
	-mongocrypt_status_type (mongocrypt_status_t *status);
	-
	-
	-/**
	- * Get an error code or 0.
	- *
	- * @param[in] status The status object.
	- *
	- * @returns An error code.
	- */
	-MONGOCRYPT_EXPORT
	-uint32_t
	-mongocrypt_status_code (mongocrypt_status_t *status);
	-
	-
	-/**
	- * Get the error message associated with a status or NULL.
	- *
	- * @param[in] status The status object.
	- * @param[out] len An optional length of the returned string (excluding the
	- * trailing NULL byte). May be NULL.
	- *
	- * @returns A NULL terminated error message or NULL.
	- */
	-MONGOCRYPT_EXPORT
	-const char *
	-mongocrypt_status_message (mongocrypt_status_t status, uint32_t len);
	-
	-
	-/**
	- * Returns true if the status indicates success.
	- *
	- * @param[in] status The status to check.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_status_ok (mongocrypt_status_t *status);
	-
	-
	-/**
	- * Free the memory for a status object.
	- *
	- * @param[in] status The status to destroy.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_status_destroy (mongocrypt_status_t *status);
	-
	-/**
	- * Indicates the type of log message.
	- */
	-typedef enum {
	- MONGOCRYPT_LOG_LEVEL_FATAL = 0,
	- MONGOCRYPT_LOG_LEVEL_ERROR = 1,
	- MONGOCRYPT_LOG_LEVEL_WARNING = 2,
	- MONGOCRYPT_LOG_LEVEL_INFO = 3,
	- MONGOCRYPT_LOG_LEVEL_TRACE = 4
	-} mongocrypt_log_level_t;
	-
	-
	-/**
	- * A log callback function. Set a custom log callback with @ref
	- * mongocrypt_setopt_log_handler.
	- *
	- * @param[in] message A NULL terminated message.
	- * @param[in] message_len The length of message.
	- * @param[in] ctx A context provided by the caller of @ref
	- * mongocrypt_setopt_log_handler.
	- */
	-typedef void (*mongocrypt_log_fn_t) (mongocrypt_log_level_t level,
	- const char *message,
	- uint32_t message_len,
	- void *ctx);
	-
	-
	-/**
	- * The top-level handle to libmongocrypt.
	- *
	- * Create a mongocrypt_t handle to perform operations within libmongocrypt:
	- * encryption, decryption, registering log callbacks, etc.
	- *
	- * Functions on a mongocrypt_t are thread safe, though functions on derived
	- * handles (e.g. mongocrypt_ctx_t) are not and must be owned by a single
	- * thread. See each handle's documentation for thread-safety considerations.
	- *
	- * Multiple mongocrypt_t handles may be created.
	- */
	-typedef struct _mongocrypt_t mongocrypt_t;
	-
	-
	-/**
	- * Allocate a new @ref mongocrypt_t object.
	- *
	- * Set options using mongocrypt_setopt_* functions, then initialize with @ref
	- * mongocrypt_init. When done with the @ref mongocrypt_t, free with @ref
	- * mongocrypt_destroy.
	- *
	- * @returns A new @ref mongocrypt_t object.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_t *
	-mongocrypt_new (void);
	-
	-
	-/**
	- * Set a handler on the @ref mongocrypt_t object to get called on every log
	- * message.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] log_fn The log callback.
	- * @param[in] log_ctx A context passed as an argument to the log callback every
	- * invocation.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_log_handler (mongocrypt_t *crypt,
	- mongocrypt_log_fn_t log_fn,
	- void *log_ctx);
	-
	-
	-/**
	- * Configure an AWS KMS provider on the @ref mongocrypt_t object.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_setopt_kms_providers
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] aws_access_key_id The AWS access key ID used to generate KMS
	- * messages.
	- * @param[in] aws_access_key_id_len The string length (in bytes) of @p
	- * aws_access_key_id. Pass -1 to determine the string length with strlen (must
	- * be NULL terminated).
	- * @param[in] aws_secret_access_key The AWS secret access key used to generate
	- * KMS messages.
	- * @param[in] aws_secret_access_key_len The string length (in bytes) of @p
	- * aws_secret_access_key. Pass -1 to determine the string length with strlen
	- * (must be NULL terminated).
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_kms_provider_aws (mongocrypt_t *crypt,
	- const char *aws_access_key_id,
	- int32_t aws_access_key_id_len,
	- const char *aws_secret_access_key,
	- int32_t aws_secret_access_key_len);
	-
	-
	-/**
	- * Configure a local KMS provider on the @ref mongocrypt_t object.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_setopt_kms_providers
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] key A 96 byte master key used to encrypt and decrypt key vault
	- * keys. The viewed data is copied. It is valid to destroy @p key with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_kms_provider_local (mongocrypt_t *crypt,
	- mongocrypt_binary_t *key);
	-
	-/**
	- * Configure KMS providers with a BSON document.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] kms_providers A BSON document mapping the KMS provider names
	- * to credentials.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_kms_providers (mongocrypt_t *crypt,
	- mongocrypt_binary_t *kms_providers);
	-
	-/**
	- * Set a local schema map for encryption.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] schema_map A BSON document representing the schema map supplied by
	- * the user. The keys are collection namespaces and values are JSON schemas. The
	- * viewed data copied. It is valid to destroy @p schema_map with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @pre @p crypt has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_schema_map (mongocrypt_t *crypt,
	- mongocrypt_binary_t *schema_map);
	-
	-
	-/**
	- * Initialize new @ref mongocrypt_t object.
	- *
	- * Set options before using @ref mongocrypt_setopt_kms_provider_local, @ref
	- * mongocrypt_setopt_kms_provider_aws, or @ref mongocrypt_setopt_log_handler.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status Failure may occur if previously
	- * set
	- * options are invalid.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_init (mongocrypt_t *crypt);
	-
	-
	-/**
	- * Get the status associated with a @ref mongocrypt_t object.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[out] status Receives the status.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_status (mongocrypt_t crypt, mongocrypt_status_t status);
	-
	-
	-/**
	- * Destroy the @ref mongocrypt_t object.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object to destroy.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_destroy (mongocrypt_t *crypt);
	-
	-
	-/**
	- * Manages the state machine for encryption or decryption.
	- */
	-typedef struct _mongocrypt_ctx_t mongocrypt_ctx_t;
	-
	-
	-/**
	- * Create a new uninitialized @ref mongocrypt_ctx_t.
	- *
	- * Initialize the context with functions like @ref mongocrypt_ctx_encrypt_init.
	- * When done, destroy it with @ref mongocrypt_ctx_destroy.
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @returns A new context.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_ctx_t *
	-mongocrypt_ctx_new (mongocrypt_t *crypt);
	-
	-
	-/**
	- * Get the status associated with a @ref mongocrypt_ctx_t object.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[out] status Receives the status.
	- *
	- * @returns True if the output is an ok status, false if it is an error
	- * status.
	- *
	- * @see mongocrypt_status_ok
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_status (mongocrypt_ctx_t ctx, mongocrypt_status_t status);
	-
	-
	-/**
	- * Set the key id to use for explicit encryption.
	- *
	- * It is an error to set both this and the key alt name.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] key_id The binary corresponding to the _id (a UUID) of the data
	- * key to use from the key vault collection. Note, the UUID must be encoded with
	- * RFC-4122 byte order. The viewed data is copied. It is valid to destroy
	- * @p key_id with @ref mongocrypt_binary_destroy immediately after.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_key_id (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *key_id);
	-
	-/**
	- * Set the keyAltName to use for explicit encryption or
	- * data key creation.
	- *
	- * Pass the binary encoding a BSON document like the following:
	- *
	- * { "keyAltName" : (BSON UTF8 value) }
	- *
	- * For explicit encryption, it is an error to set both the keyAltName
	- * and the key id.
	- *
	- * For creating data keys, call this function repeatedly to set
	- * multiple keyAltNames.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] key_alt_name The name to use. The viewed data is copied. It is
	- * valid to destroy @p key_alt_name with @ref mongocrypt_binary_destroy
	- * immediately after.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_key_alt_name (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *key_alt_name);
	-
	-/**
	- * Set the algorithm used for encryption to either
	- * deterministic or random encryption. This value
	- * should only be set when using explicit encryption.
	- *
	- * If -1 is passed in for "len", then "algorithm" is
	- * assumed to be a null-terminated string.
	- *
	- * Valid values for algorithm are:
	- * "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
	- * "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] algorithm A string specifying the algorithm to
	- * use for encryption.
	- * @param[in] len The length of the algorithm string.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_algorithm (mongocrypt_ctx_t *ctx,
	- const char *algorithm,
	- int len);
	-
	-
	-/**
	- * Identify the AWS KMS master key to use for creating a data key.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_ctx_setopt_key_encryption_key
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] region The AWS region.
	- * @param[in] region_len The string length of @p region. Pass -1 to determine
	- * the string length with strlen (must be NULL terminated).
	- * @param[in] cmk The Amazon Resource Name (ARN) of the customer master key
	- * (CMK).
	- * @param[in] cmk_len The string length of @p cmk_len. Pass -1 to determine the
	- * string length with strlen (must be NULL terminated).
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_masterkey_aws (mongocrypt_ctx_t *ctx,
	- const char *region,
	- int32_t region_len,
	- const char *cmk,
	- int32_t cmk_len);
	-
	-
	-/**
	- * Identify a custom AWS endpoint when creating a data key.
	- * This is used internally to construct the correct HTTP request
	- * (with the Host header set to this endpoint). This endpoint
	- * is persisted in the new data key, and will be returned via
	- * @ref mongocrypt_kms_ctx_endpoint.
	- *
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_ctx_setopt_key_encryption_key
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] endpoint The endpoint.
	- * @param[in] endpoint_len The string length of @p endpoint. Pass -1 to
	- * determine the string length with strlen (must be NULL terminated).
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_masterkey_aws_endpoint (mongocrypt_ctx_t *ctx,
	- const char *endpoint,
	- int32_t endpoint_len);
	-
	-/**
	- * Set the master key to "local" for creating a data key.
	- * This has been superseded by the more flexible:
	- * @ref mongocrypt_ctx_setopt_key_encryption_key
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_masterkey_local (mongocrypt_ctx_t *ctx);
	-
	-/**
	- * Set key encryption key document for creating a data key.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] bin BSON representing the key encryption key document with
	- * an additional "provider" field. The following forms are accepted:
	- *
	- * AWS
	- * {
	- * provider: "aws",
	- * region: <string>,
	- * key: <string>,
	- * endpoint: <optional string>
	- * }
	- *
	- * Azure
	- * {
	- * provider: "azure",
	- * keyVaultEndpoint: <string>,
	- * keyName: <string>,
	- * keyVersion: <optional string>
	- * }
	- *
	- * GCP
	- * {
	- * provider: "gcp",
	- * projectId: <string>,
	- * location: <string>,
	- * keyRing: <string>,
	- * keyName: <string>,
	- * keyVersion: <string>,
	- * endpoint: <optional string>
	- * }
	- *
	- * Local
	- * {
	- * provider: "local"
	- * }
	- *
	- * KMIP
	- * {
	- * provider: "kmip",
	- * keyId: <optional string>
	- * endpoint: <string>
	- * }
	- *
	- * @pre @p ctx has not been initialized.
	- * @returns A boolean indicating success. If false, and error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_setopt_key_encryption_key (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *bin);
	-
	-
	-/**
	- * Initialize a context to create a data key.
	- *
	- * Associated options:
	- * - @ref mongocrypt_ctx_setopt_masterkey_aws
	- * - @ref mongocrypt_ctx_setopt_masterkey_aws_endpoint
	- * - @ref mongocrypt_ctx_setopt_masterkey_local
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- * @pre A master key option has been set, and an associated KMS provider
	- * has been set on the parent @ref mongocrypt_t.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_datakey_init (mongocrypt_ctx_t *ctx);
	-
	-/**
	- * Initialize a context for encryption.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] db The database name.
	- * @param[in] db_len The byte length of @p db. Pass -1 to determine the string
	- * length with strlen (must
	- * be NULL terminated).
	- * @param[in] cmd The BSON command to be encrypted. The viewed data is copied.
	- * It is valid to destroy @p cmd with @ref mongocrypt_binary_destroy immediately
	- * after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_encrypt_init (mongocrypt_ctx_t *ctx,
	- const char *db,
	- int32_t db_len,
	- mongocrypt_binary_t *cmd);
	-
	-/**
	- * Explicit helper method to encrypt a single BSON object. Contexts
	- * created for explicit encryption will not go through mongocryptd.
	- *
	- * To specify a key_id, algorithm, or iv to use, please use the
	- * corresponding mongocrypt_setopt methods before calling this.
	- *
	- * This method expects the passed-in BSON to be of the form:
	- * { "v" : BSON value to encrypt }
	- *
	- * Associated options:
	- * - @ref mongocrypt_ctx_setopt_key_id
	- * - @ref mongocrypt_ctx_setopt_key_alt_name
	- * - @ref mongocrypt_ctx_setopt_algorithm
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @param[in] msg A @ref mongocrypt_binary_t the plaintext BSON value. The
	- * viewed data is copied. It is valid to destroy @p msg with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_explicit_encrypt_init (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *msg);
	-
	-
	-/**
	- * Initialize a context for decryption.
	- *
	- * This method expects the passed-in BSON to be of the form:
	- * { "v" : BSON value to encrypt }
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] doc The document to be decrypted. The viewed data is copied. It is
	- * valid to destroy @p doc with @ref mongocrypt_binary_destroy immediately
	- * after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_decrypt_init (mongocrypt_ctx_t ctx, mongocrypt_binary_t doc);
	-
	-
	-/**
	- * Explicit helper method to decrypt a single BSON object.
	- *
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @param[in] msg A @ref mongocrypt_binary_t the encrypted BSON. The viewed data
	- * is copied. It is valid to destroy @p msg with @ref mongocrypt_binary_destroy
	- * immediately after.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_explicit_decrypt_init (mongocrypt_ctx_t *ctx,
	- mongocrypt_binary_t *msg);
	-
	-
	-/**
	- * Indicates the state of the @ref mongocrypt_ctx_t. Each state requires
	- * different handling. See [the integration
	- * guide](https://github.com/mongodb/libmongocrypt/blob/master/integrating.md#state-machine)
	- * for information on what to do for each state.
	- */
	-typedef enum {
	- MONGOCRYPT_CTX_ERROR = 0,
	- MONGOCRYPT_CTX_NEED_MONGO_COLLINFO = 1, /* run on main MongoClient */
	- MONGOCRYPT_CTX_NEED_MONGO_MARKINGS = 2, /* run on mongocryptd. */
	- MONGOCRYPT_CTX_NEED_MONGO_KEYS = 3, /* run on key vault */
	- MONGOCRYPT_CTX_NEED_KMS = 4,
	- MONGOCRYPT_CTX_READY = 5, /* ready for encryption/decryption */
	- MONGOCRYPT_CTX_DONE = 6
	-} mongocrypt_ctx_state_t;
	-
	-
	-/**
	- * Get the current state of a context.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @returns A @ref mongocrypt_ctx_state_t.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_ctx_state_t
	-mongocrypt_ctx_state (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Get BSON necessary to run the mongo operation when mongocrypt_ctx_t
	- * is in MONGOCRYPT_CTX_NEED_MONGO_* states.
	- *
	- * @p op_bson is a BSON document to be used for the operation.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a listCollections filter.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a find filter.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a command to send to
	- * mongocryptd.
	- *
	- * The lifetime of @p op_bson is tied to the lifetime of @p ctx. It is valid
	- * until @ref mongocrypt_ctx_destroy is called.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[out] op_bson A BSON document for the MongoDB operation. The data
	- * viewed by @p op_bson is guaranteed to be valid until @p ctx is destroyed with
	- * @ref mongocrypt_ctx_destroy.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_mongo_op (mongocrypt_ctx_t ctx, mongocrypt_binary_t op_bson);
	-
	-
	-/**
	- * Feed a BSON reply or result when mongocrypt_ctx_t is in
	- * MONGOCRYPT_CTX_NEED_MONGO_* states. This may be called multiple times
	- * depending on the operation.
	- *
	- * reply is a BSON document result being fed back for this operation.
	- * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a doc from a listCollections
	- * cursor. (Note, if listCollections returned no result, do not call this
	- * function.)
	- * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a doc from a find cursor.
	- * (Note, if find returned no results, do not call this function. reply must
	- * not
	- * be NULL.)
	- * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a reply from mongocryptd.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @param[in] reply A BSON document for the MongoDB operation. The viewed data
	- * is copied. It is valid to destroy @p reply with @ref
	- * mongocrypt_binary_destroy immediately after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_mongo_feed (mongocrypt_ctx_t ctx, mongocrypt_binary_t reply);
	-
	-
	-/**
	- * Call when done feeding the reply (or replies) back to the context.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_mongo_done (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Manages a single KMS HTTP request/response.
	- */
	-typedef struct _mongocrypt_kms_ctx_t mongocrypt_kms_ctx_t;
	-
	-
	-/**
	- * Get the next KMS handle.
	- *
	- * Multiple KMS handles may be retrieved at once. Drivers may do this to fan
	- * out multiple concurrent KMS HTTP requests. Feeding multiple KMS requests
	- * is thread-safe.
	- *
	- * If KMS handles are being handled synchronously, the driver can reuse the same
	- * TLS socket to send HTTP requests and receive responses.
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @returns a new @ref mongocrypt_kms_ctx_t or NULL.
	- */
	-MONGOCRYPT_EXPORT
	-mongocrypt_kms_ctx_t *
	-mongocrypt_ctx_next_kms_ctx (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Get the HTTP request message for a KMS handle.
	- *
	- * The lifetime of @p msg is tied to the lifetime of @p kms. It is valid
	- * until @ref mongocrypt_ctx_kms_done is called.
	- *
	- * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	- * @param[out] msg The HTTP request to send to KMS. The data viewed by @p msg is
	- * guaranteed to be valid until the call of @ref mongocrypt_ctx_kms_done of the
	- * parent @ref mongocrypt_ctx_t.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_kms_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_message (mongocrypt_kms_ctx_t *kms,
	- mongocrypt_binary_t *msg);
	-
	-
	-/**
	- * Get the hostname from which to connect over TLS.
	- *
	- * The storage for @p endpoint is not owned by the caller, but
	- * is valid until calling @ref mongocrypt_ctx_kms_done.
	- *
	- * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	- * @param[out] endpoint The output endpoint as a NULL terminated string.
	- * The endpoint consists of a hostname and port separated by a colon.
	- * E.g. "example.com:123". A port is always present.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_kms_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_endpoint (mongocrypt_kms_ctx_t kms, const char *endpoint);
	-
	-
	-/**
	- * Indicates how many bytes to feed into @ref mongocrypt_kms_ctx_feed.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	- * @returns The number of requested bytes.
	- */
	-MONGOCRYPT_EXPORT
	-uint32_t
	-mongocrypt_kms_ctx_bytes_needed (mongocrypt_kms_ctx_t *kms);
	-
	-
	-/**
	- * Feed bytes from the HTTP response.
	- *
	- * Feeding more bytes than what has been returned in @ref
	- * mongocrypt_kms_ctx_bytes_needed is an error.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	- * @param[in] bytes The bytes to feed. The viewed data is copied. It is valid to
	- * destroy @p bytes with @ref mongocrypt_binary_destroy immediately after.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_kms_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_feed (mongocrypt_kms_ctx_t kms, mongocrypt_binary_t bytes);
	-
	-
	-/**
	- * Get the status associated with a @ref mongocrypt_kms_ctx_t object.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	- * @param[out] status Receives the status.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_kms_ctx_status (mongocrypt_kms_ctx_t *kms,
	- mongocrypt_status_t *status);
	-
	-/**
	- * Get the KMS provider identifier associated with this KMS request.
	- *
	- * This is used to conditionally configure TLS connections based on the KMS
	- * request. It is useful for KMIP, which authenticates with a client
	- * certificate.
	- *
	- * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	- * @param[out] len Receives the length of the returned string. It may be NULL.
	- * If it is not NULL, it is set to the length of the returned string without
	- * the NULL terminator.
	- *
	- * @returns One of the NULL terminated static strings: "aws", "azure", "gcp", or
	- * "kmip".
	- */
	-MONGOCRYPT_EXPORT
	-const char *
	-mongocrypt_kms_ctx_get_kms_provider (mongocrypt_kms_ctx_t kms, uint32_t len);
	-
	-
	-/**
	- * Call when done handling all KMS contexts.
	- *
	- * @param[in] ctx The @ref mongocrypt_ctx_t object.
	- *
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_kms_done (mongocrypt_ctx_t *ctx);
	-
	-
	-/**
	- * Perform the final encryption or decryption.
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- * @param[out] out The final BSON. The data viewed by @p out is guaranteed
	- * to be valid until @p ctx is destroyed with @ref mongocrypt_ctx_destroy.
	- * The meaning of this BSON depends on the type of @p ctx.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_encrypt_init, then
	- * this BSON is the (possibly) encrypted command to send to the server.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_decrypt_init, then
	- * this BSON is the decrypted result to return to the user.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_encrypt_init,
	- * then this BSON has the form { "v": (BSON binary) } where the BSON binary
	- * is the resulting encrypted value.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_decrypt_init,
	- * then this BSON has the form { "v": (BSON value) } where the BSON value
	- * is the resulting decrypted value.
	- *
	- * If @p ctx was initialized with @ref mongocrypt_ctx_datakey_init, then
	- * this BSON is the document containing the new data key to be inserted into
	- * the key vault collection.
	- *
	- * @returns a bool indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_ctx_status
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_ctx_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out);
	-
	-
	-/**
	- * Destroy and free all memory associated with a @ref mongocrypt_ctx_t.
	- *
	- * @param[in] ctx A @ref mongocrypt_ctx_t.
	- */
	-MONGOCRYPT_EXPORT
	-void
	-mongocrypt_ctx_destroy (mongocrypt_ctx_t *ctx);
	-
	-/**
	- * An crypto AES-256-CBC encrypt or decrypt function.
	- *
	- * Note, @p in is already padded. Encrypt with padding disabled.
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[in] key An encryption key (32 bytes for AES_256).
	- * @param[in] iv An initialization vector (16 bytes for AES_256);
	- * @param[in] in The input.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[out] bytes_written Set this to the number of bytes written to @p out.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_crypto_fn) (void ctx,
	- mongocrypt_binary_t *key,
	- mongocrypt_binary_t *iv,
	- mongocrypt_binary_t *in,
	- mongocrypt_binary_t *out,
	- uint32_t *bytes_written,
	- mongocrypt_status_t *status);
	-
	-/**
	- * A crypto signature or HMAC function.
	- *
	- * Currently used in callbacks for HMAC SHA-512, HMAC SHA-256, and RSA SHA-256
	- * signature.
	- *
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[in] key An encryption key (32 bytes for HMAC_SHA512).
	- * @param[in] in The input.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_hmac_fn) (void ctx,
	- mongocrypt_binary_t *key,
	- mongocrypt_binary_t *in,
	- mongocrypt_binary_t *out,
	- mongocrypt_status_t *status);
	-
	-
	-/**
	- * A crypto hash (SHA-256) function.
	- *
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[in] in The input.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_hash_fn) (void ctx,
	- mongocrypt_binary_t *in,
	- mongocrypt_binary_t *out,
	- mongocrypt_status_t *status);
	-
	-/**
	- * A crypto secure random function.
	- *
	- * @param[in] ctx An optional context object that may have been set when hooks
	- * were enabled.
	- * @param[out] out A preallocated byte array for the output. See @ref
	- * mongocrypt_binary_data.
	- * @param[in] count The number of random bytes requested.
	- * @param[out] status An optional status to pass error messages. See @ref
	- * mongocrypt_status_set.
	- * @returns A boolean indicating success. If returning false, set @p status
	- * with a message indiciating the error using @ref mongocrypt_status_set.
	- */
	-typedef bool (mongocrypt_random_fn) (void ctx,
	- mongocrypt_binary_t *out,
	- uint32_t count,
	- mongocrypt_status_t *status);
	-
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_crypto_hooks (mongocrypt_t *crypt,
	- mongocrypt_crypto_fn aes_256_cbc_encrypt,
	- mongocrypt_crypto_fn aes_256_cbc_decrypt,
	- mongocrypt_random_fn random,
	- mongocrypt_hmac_fn hmac_sha_512,
	- mongocrypt_hmac_fn hmac_sha_256,
	- mongocrypt_hash_fn sha_256,
	- void *ctx);
	-
	-/**
	- * Set a crypto hook for the RSASSA-PKCS1-v1_5 algorithm with a SHA-256 hash.
	- *
	- * See: https://tools.ietf.org/html/rfc3447#section-8.2
	- *
	- * Note: this function has the wrong name. It should be:
	- * mongocrypt_setopt_crypto_hook_sign_rsassa_pkcs1_v1_5
	- *
	- * @param[in] crypt The @ref mongocrypt_t object.
	- * @param[in] sign_rsaes_pkcs1_v1_5 The crypto callback function.
	- * @param[in] sign_ctx A context passed as an argument to the crypto callback every
	- * invocation.
	- * @pre @ref mongocrypt_init has not been called on @p crypt.
	- * @returns A boolean indicating success. If false, an error status is set.
	- * Retrieve it with @ref mongocrypt_status
	- *
	- */
	-MONGOCRYPT_EXPORT
	-bool
	-mongocrypt_setopt_crypto_hook_sign_rsaes_pkcs1_v1_5 (
	- mongocrypt_t *crypt,
	- mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5,
	- void *sign_ctx);
	-
	-#endif /* MONGOCRYPT_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/os_posix/os_once.c b/mongodb-1.12.0/src/libmongocrypt/src/os_posix/os_once.c
	deleted file mode 100644
	index c6ec8e43..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/os_posix/os_once.c
	+++ /dev/null
	@@ -1,32 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-
	-#include "../mongocrypt-os-private.h"
	-
	-#ifndef _WIN32
	-
	-#include <pthread.h>
	-
	-static pthread_once_t once_control = PTHREAD_ONCE_INIT;
	-
	-int
	-_mongocrypt_once (void (*init_routine) (void))
	-{
	- return (pthread_once (&once_control, init_routine));
	-}
	-
	-#endif /* _WIN32 */
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/os_win/os_once.c b/mongodb-1.12.0/src/libmongocrypt/src/os_win/os_once.c
	deleted file mode 100644
	index 83d13afc..00000000
	--- a/mongodb-1.12.0/src/libmongocrypt/src/os_win/os_once.c
	+++ /dev/null
	@@ -1,46 +0,0 @@
	-/*
	- * Copyright 2019-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include <bson/bson.h>
	-
	-#include "../mongocrypt-os-private.h"
	-
	-#ifdef _WIN32
	-
	-static INIT_ONCE once_control = INIT_ONCE_STATIC_INIT;
	-
	-static BOOL WINAPI
	-_mongocrypt_init_once_callback (_Inout_ PINIT_ONCE InitOnce,
	- _Inout_opt_ PVOID Parameter,
	- _Out_opt_ PVOID *Context)
	-{
	- void (*init_routine) (void) = Parameter;
	-
	- init_routine ();
	-
	- return (TRUE);
	-}
	-
	-int
	-_mongocrypt_once (void (*init_routine) (void))
	-{
	- PVOID lpContext = NULL;
	-
	- return !InitOnceExecuteOnce (
	- &once_control, &_mongocrypt_init_once_callback, init_routine, lpContext);
	-}
	-
	-#endif /* _WIN32 */
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/phongo_apm.c b/mongodb-1.12.0/src/phongo_apm.c
	deleted file mode 100644
	index aa728213..00000000
	--- a/mongodb-1.12.0/src/phongo_apm.c
	+++ /dev/null
	@@ -1,368 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "bson/bson.h"
	-#include "mongoc/mongoc.h"
	-
	-#include <php.h>
	-#include <Zend/zend_exceptions.h>
	-#include <Zend/zend_interfaces.h>
	-#include <Zend/zend_operators.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "phongo_apm.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "PHONGO"
	-
	-ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	-
	-/* Ensures that instances of @subscriber_ce in @from (those registered with a
	- * Manager or globally) are added to the set @to. This is used to build the list
	- * of subscribers notify for an event. */
	-static void phongo_apm_add_subscribers_to_notify(zend_class_entry* subscriber_ce, HashTable* from, HashTable* to)
	-{
	- zval* subscriber;
	-
	- ZEND_HASH_FOREACH_VAL_IND(from, subscriber)
	- {
	- if (Z_TYPE_P(subscriber) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(subscriber), subscriber_ce)) {
	- continue;
	- }
	-
	- if (zend_hash_index_exists(to, Z_OBJ_HANDLE_P(subscriber))) {
	- continue;
	- }
	-
	- zend_hash_index_update(to, Z_OBJ_HANDLE_P(subscriber), subscriber);
	- Z_ADDREF_P(subscriber);
	- }
	- ZEND_HASH_FOREACH_END();
	-}
	-
	-/* Returns a newly allocated HashTable, which will contain all subscribers of a
	- * certain type that should be notified for an event on the specified client. */
	-static HashTable* phongo_apm_get_subscribers_to_notify(zend_class_entry* subscriber_ce, mongoc_client_t* client)
	-{
	- HashTable* subscribers = NULL;
	-
	- ALLOC_HASHTABLE(subscribers);
	- zend_hash_init(subscribers, 0, NULL, ZVAL_PTR_DTOR, 0);
	-
	- if (MONGODB_G(subscribers)) {
	- phongo_apm_add_subscribers_to_notify(subscriber_ce, MONGODB_G(subscribers), subscribers);
	- }
	-
	- if (MONGODB_G(managers)) {
	- php_phongo_manager_t* manager;
	-
	- ZEND_HASH_FOREACH_PTR(MONGODB_G(managers), manager)
	- {
	- if (manager->client == client && manager->subscribers) {
	- phongo_apm_add_subscribers_to_notify(subscriber_ce, manager->subscribers, subscribers);
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	- }
	-
	- return subscribers;
	-}
	-
	-/* Search for a Manager associated with the given client in the request-scoped
	- * registry. If any Manager is found, copy it to @out, increment its ref-count,
	- * and return true; otherwise, set @out to undefined and return false. */
	-static bool phongo_apm_copy_manager_for_client(mongoc_client_t* client, zval* out)
	-{
	- php_phongo_manager_t* manager;
	-
	- ZVAL_UNDEF(out);
	-
	- if (!MONGODB_G(managers) \|\| zend_hash_num_elements(MONGODB_G(managers)) == 0) {
	- return false;
	- }
	-
	- ZEND_HASH_FOREACH_PTR(MONGODB_G(managers), manager)
	- {
	- if (manager->client == client) {
	- ZVAL_OBJ(out, &manager->std);
	- Z_ADDREF_P(out);
	-
	- return true;
	- }
	- }
	- ZEND_HASH_FOREACH_END();
	-
	- return false;
	-}
	-
	-/* Dispatch an event to all subscribers in a HashTable. The caller is
	- * responsible for ensuring that subscribers implement the correct interface. */
	-static void phongo_apm_dispatch_event(HashTable* subscribers, const char* function_name, zval* event)
	-{
	- zval* subscriber;
	-
	- ZEND_HASH_FOREACH_VAL_IND(subscribers, subscriber)
	- {
	- if (EG(exception)) {
	- break;
	- }
	-
	- /* We can't use the zend_call_method_with_1_params macro here, as it
	- * assumes the function name is a string literal. */
	- zend_call_method(PHONGO_COMPAT_OBJ_P(subscriber), NULL, NULL, function_name, strlen(function_name), NULL, 1, event, NULL);
	- }
	- ZEND_HASH_FOREACH_END();
	-}
	-
	-static void phongo_apm_command_started(const mongoc_apm_command_started_t* event)
	-{
	- mongoc_client_t* client;
	- HashTable* subscribers;
	- php_phongo_commandstartedevent_t* p_event;
	- zval z_event;
	-
	- client = mongoc_apm_command_started_get_context(event);
	- subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_commandsubscriber_ce, client);
	-
	- /* Return early if there are no APM subscribers to notify */
	- if (zend_hash_num_elements(subscribers) == 0) {
	- goto cleanup;
	- }
	-
	- object_init_ex(&z_event, php_phongo_commandstartedevent_ce);
	- p_event = Z_COMMANDSTARTEDEVENT_OBJ_P(&z_event);
	-
	- p_event->command_name = estrdup(mongoc_apm_command_started_get_command_name(event));
	- p_event->server_id = mongoc_apm_command_started_get_server_id(event);
	- p_event->operation_id = mongoc_apm_command_started_get_operation_id(event);
	- p_event->request_id = mongoc_apm_command_started_get_request_id(event);
	- p_event->command = bson_copy(mongoc_apm_command_started_get_command(event));
	- p_event->database_name = estrdup(mongoc_apm_command_started_get_database_name(event));
	- p_event->has_service_id = mongoc_apm_command_started_get_service_id(event) != NULL;
	-
	- if (p_event->has_service_id) {
	- bson_oid_copy(mongoc_apm_command_started_get_service_id(event), &p_event->service_id);
	- }
	-
	- if (!phongo_apm_copy_manager_for_client(client, &p_event->manager)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Found no Manager for client in APM event context");
	- zval_ptr_dtor(&z_event);
	-
	- goto cleanup;
	- }
	-
	- phongo_apm_dispatch_event(subscribers, "commandStarted", &z_event);
	- zval_ptr_dtor(&z_event);
	-
	-cleanup:
	- zend_hash_destroy(subscribers);
	- FREE_HASHTABLE(subscribers);
	-}
	-
	-static void phongo_apm_command_succeeded(const mongoc_apm_command_succeeded_t* event)
	-{
	- mongoc_client_t* client;
	- HashTable* subscribers;
	- php_phongo_commandsucceededevent_t* p_event;
	- zval z_event;
	-
	- client = mongoc_apm_command_succeeded_get_context(event);
	- subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_commandsubscriber_ce, client);
	-
	- /* Return early if there are no APM subscribers to notify */
	- if (zend_hash_num_elements(subscribers) == 0) {
	- goto cleanup;
	- }
	-
	- object_init_ex(&z_event, php_phongo_commandsucceededevent_ce);
	- p_event = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(&z_event);
	-
	- p_event->command_name = estrdup(mongoc_apm_command_succeeded_get_command_name(event));
	- p_event->server_id = mongoc_apm_command_succeeded_get_server_id(event);
	- p_event->operation_id = mongoc_apm_command_succeeded_get_operation_id(event);
	- p_event->request_id = mongoc_apm_command_succeeded_get_request_id(event);
	- p_event->duration_micros = mongoc_apm_command_succeeded_get_duration(event);
	- p_event->reply = bson_copy(mongoc_apm_command_succeeded_get_reply(event));
	- p_event->has_service_id = mongoc_apm_command_succeeded_get_service_id(event) != NULL;
	-
	- if (p_event->has_service_id) {
	- bson_oid_copy(mongoc_apm_command_succeeded_get_service_id(event), &p_event->service_id);
	- }
	-
	- if (!phongo_apm_copy_manager_for_client(client, &p_event->manager)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Found no Manager for client in APM event context");
	- zval_ptr_dtor(&z_event);
	-
	- goto cleanup;
	- }
	-
	- phongo_apm_dispatch_event(subscribers, "commandSucceeded", &z_event);
	- zval_ptr_dtor(&z_event);
	-
	-cleanup:
	- zend_hash_destroy(subscribers);
	- FREE_HASHTABLE(subscribers);
	-}
	-
	-static void phongo_apm_command_failed(const mongoc_apm_command_failed_t* event)
	-{
	- mongoc_client_t* client;
	- HashTable* subscribers;
	- php_phongo_commandfailedevent_t* p_event;
	- zval z_event;
	- bson_error_t tmp_error = { 0 };
	-
	- client = mongoc_apm_command_failed_get_context(event);
	- subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_commandsubscriber_ce, client);
	-
	- /* Return early if there are no APM subscribers to notify */
	- if (zend_hash_num_elements(subscribers) == 0) {
	- goto cleanup;
	- }
	-
	- object_init_ex(&z_event, php_phongo_commandfailedevent_ce);
	- p_event = Z_COMMANDFAILEDEVENT_OBJ_P(&z_event);
	-
	- p_event->command_name = estrdup(mongoc_apm_command_failed_get_command_name(event));
	- p_event->server_id = mongoc_apm_command_failed_get_server_id(event);
	- p_event->operation_id = mongoc_apm_command_failed_get_operation_id(event);
	- p_event->request_id = mongoc_apm_command_failed_get_request_id(event);
	- p_event->duration_micros = mongoc_apm_command_failed_get_duration(event);
	- p_event->reply = bson_copy(mongoc_apm_command_failed_get_reply(event));
	- p_event->has_service_id = mongoc_apm_command_failed_get_service_id(event) != NULL;
	-
	- if (p_event->has_service_id) {
	- bson_oid_copy(mongoc_apm_command_failed_get_service_id(event), &p_event->service_id);
	- }
	-
	- if (!phongo_apm_copy_manager_for_client(client, &p_event->manager)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Found no Manager for client in APM event context");
	- zval_ptr_dtor(&z_event);
	-
	- goto cleanup;
	- }
	-
	- /* We need to process and convert the error right here, otherwise
	- * debug_info will turn into a recursive loop, and with the wrong trace
	- * locations */
	- mongoc_apm_command_failed_get_error(event, &tmp_error);
	-
	- object_init_ex(&p_event->z_error, phongo_exception_from_mongoc_domain(tmp_error.domain, tmp_error.code));
	- zend_update_property_string(zend_ce_exception, PHONGO_COMPAT_OBJ_P(&p_event->z_error), ZEND_STRL("message"), tmp_error.message);
	- zend_update_property_long(zend_ce_exception, PHONGO_COMPAT_OBJ_P(&p_event->z_error), ZEND_STRL("code"), tmp_error.code);
	-
	- phongo_apm_dispatch_event(subscribers, "commandFailed", &z_event);
	- zval_ptr_dtor(&z_event);
	-
	-cleanup:
	- zend_hash_destroy(subscribers);
	- FREE_HASHTABLE(subscribers);
	-}
	-
	-/* Assigns APM callbacks to a client, which will notify any global or per-client
	- * subscribers. This should be called for all clients created by the driver.
	- * Returns true on success; otherwise, throws an exception and returns false. */
	-bool phongo_apm_set_callbacks(mongoc_client_t* client)
	-{
	- bool retval;
	-
	- mongoc_apm_callbacks_t* callbacks = mongoc_apm_callbacks_new();
	-
	- mongoc_apm_set_command_started_cb(callbacks, phongo_apm_command_started);
	- mongoc_apm_set_command_succeeded_cb(callbacks, phongo_apm_command_succeeded);
	- mongoc_apm_set_command_failed_cb(callbacks, phongo_apm_command_failed);
	-
	- retval = mongoc_client_set_apm_callbacks(client, callbacks, client);
	-
	- if (!retval) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Failed to set APM callbacks");
	- }
	-
	- mongoc_apm_callbacks_destroy(callbacks);
	-
	- return retval;
	-}
	-
	-/* Checks args for adding/removing a subscriber. Returns true on success;
	- * otherwise, throws an exception and returns false. */
	-static bool phongo_apm_check_args_for_add_and_remove(HashTable* subscribers, zval* subscriber)
	-{
	- if (!subscribers) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Subscriber HashTable is not initialized");
	- return false;
	- }
	-
	- if (!subscriber \|\| Z_TYPE_P(subscriber) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(subscriber), php_phongo_subscriber_ce)) {
	- phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Subscriber is not an instance of %s", ZSTR_VAL(php_phongo_subscriber_ce->name));
	- return false;
	- }
	-
	- return true;
	-}
	-
	-/* Adds a subscriber to the HashTable (global or Manager). Returns true on
	- * success (including NOP if already registered); otherwise, throws an exception
	- * and returns false. */
	-bool phongo_apm_add_subscriber(HashTable* subscribers, zval* subscriber)
	-{
	- if (!phongo_apm_check_args_for_add_and_remove(subscribers, subscriber)) {
	- /* Exception should already have been thrown */
	- return false;
	- }
	-
	- /* NOP if the subscriber was already registered */
	- if (zend_hash_index_exists(subscribers, Z_OBJ_HANDLE_P(subscriber))) {
	- return true;
	- }
	-
	- zend_hash_index_update(subscribers, Z_OBJ_HANDLE_P(subscriber), subscriber);
	- Z_ADDREF_P(subscriber);
	-
	- return true;
	-}
	-
	-/* Removes a subscriber from the HashTable (global or Manager). Returns true on
	- * success (including NOP if never registered); otherwise, throws an exception
	- * and returns false. */
	-bool phongo_apm_remove_subscriber(HashTable* subscribers, zval* subscriber)
	-{
	- if (!phongo_apm_check_args_for_add_and_remove(subscribers, subscriber)) {
	- /* Exception should already have been thrown */
	- return false;
	- }
	-
	- /* Note: HashTables should specify ZVAL_PTR_DTOR as their element destructor
	- * so there is no need to decrement the subscriber's reference count here.
	- * We also don't care about whether zend_hash_index_del returns SUCCESS or
	- * FAILURE, as removing an unregistered subscriber is a NOP. */
	- zend_hash_index_del(subscribers, Z_OBJ_HANDLE_P(subscriber));
	-
	- return true;
	-}
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/phongo_apm.h b/mongodb-1.12.0/src/phongo_apm.h
	deleted file mode 100644
	index 43562aaf..00000000
	--- a/mongodb-1.12.0/src/phongo_apm.h
	+++ /dev/null
	@@ -1,37 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_APM_H
	-#define PHONGO_APM_H
	-
	-#include "mongoc/mongoc.h"
	-
	-#include <php.h>
	-
	-bool phongo_apm_set_callbacks(mongoc_client_t* client);
	-bool phongo_apm_add_subscriber(HashTable* subscribers, zval* subscriber);
	-bool phongo_apm_remove_subscriber(HashTable* subscribers, zval* subscriber);
	-
	-#endif /* PHONGO_APM_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/phongo_ini.c b/mongodb-1.12.0/src/phongo_ini.c
	deleted file mode 100644
	index a1886cd9..00000000
	--- a/mongodb-1.12.0/src/phongo_ini.c
	+++ /dev/null
	@@ -1,162 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#include "mongoc/mongoc.h"
	-
	-#include <php.h>
	-#include <main/php_open_temporary_file.h>
	-#include <ext/date/php_date.h>
	-
	-#ifdef HAVE_CONFIG_H
	-#include "config.h"
	-#endif
	-
	-#include "phongo_compat.h"
	-#include "php_phongo.h"
	-#include "phongo_ini.h"
	-
	-#undef MONGOC_LOG_DOMAIN
	-#define MONGOC_LOG_DOMAIN "PHONGO"
	-
	-extern bool mongoc_global_mock_service_id;
	-
	-ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	-
	-static void phongo_log(mongoc_log_level_t log_level, const char* log_domain, const char* message, void* user_data)
	-{
	- struct timeval tv;
	- time_t t;
	- zend_long tu;
	- zend_string* dt;
	-
	- bson_gettimeofday(&tv);
	- t = tv.tv_sec;
	- tu = tv.tv_usec;
	-
	- dt = php_format_date((char*) ZEND_STRL("Y-m-d\\TH:i:s"), t, 0);
	-
	- fprintf(MONGODB_G(debug_fd), "[%s.%06" PHONGO_LONG_FORMAT "+00:00] %10s: %-8s> %s\n", ZSTR_VAL(dt), tu, log_domain, mongoc_log_level_str(log_level), message);
	- fflush(MONGODB_G(debug_fd));
	- efree(dt);
	-}
	-
	-void phongo_log_disable(FILE* stream)
	-{
	- mongoc_log_trace_disable();
	- mongoc_log_set_handler(NULL, NULL);
	-
	- /* Close any previously opened log file (excluding stderr/stdout) */
	- if (stream && stream != stderr && stream != stdout) {
	- fclose(stream);
	- }
	-}
	-
	-static PHP_INI_MH(OnUpdateDebug)
	-{
	- char* tmp_dir = NULL;
	-
	- phongo_log_disable(MONGODB_G(debug_fd));
	- MONGODB_G(debug_fd) = NULL;
	-
	- if (!new_value \|\| (new_value && !ZSTR_VAL(new_value)[0]) \|\| strcasecmp("0", ZSTR_VAL(new_value)) == 0 \|\| strcasecmp("off", ZSTR_VAL(new_value)) == 0 \|\| strcasecmp("no", ZSTR_VAL(new_value)) == 0 \|\| strcasecmp("false", ZSTR_VAL(new_value)) == 0) {
	- return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
	- }
	-
	- if (strcasecmp(ZSTR_VAL(new_value), "stderr") == 0) {
	- MONGODB_G(debug_fd) = stderr;
	- } else if (strcasecmp(ZSTR_VAL(new_value), "stdout") == 0) {
	- MONGODB_G(debug_fd) = stdout;
	- } else if (
	- strcasecmp("1", ZSTR_VAL(new_value)) == 0 \|\|
	- strcasecmp("on", ZSTR_VAL(new_value)) == 0 \|\|
	- strcasecmp("yes", ZSTR_VAL(new_value)) == 0 \|\|
	- strcasecmp("true", ZSTR_VAL(new_value)) == 0) {
	-
	- tmp_dir = NULL;
	- } else {
	- tmp_dir = ZSTR_VAL(new_value);
	- }
	-
	- if (!MONGODB_G(debug_fd)) {
	- time_t t;
	- int fd = -1;
	- char* prefix;
	- int len;
	- zend_string* filename;
	-
	- time(&t);
	- len = spprintf(&prefix, 0, "PHONGO-%ld", t);
	-
	- fd = php_open_temporary_fd(tmp_dir, prefix, &filename);
	- if (fd != -1) {
	- const char* path = ZSTR_VAL(filename);
	- MONGODB_G(debug_fd) = VCWD_FOPEN(path, "a");
	- }
	- efree(filename);
	- efree(prefix);
	- close(fd);
	- }
	-
	- mongoc_log_trace_enable();
	- mongoc_log_set_handler(phongo_log, NULL);
	-
	- return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
	-}
	-
	-static PHP_INI_MH(OnUpdateMockServiceId)
	-{
	- mongoc_global_mock_service_id = zend_ini_parse_bool(new_value);
	-
	- return SUCCESS;
	-}
	-
	-static PHP_INI_DISP(DisplayMockServiceId)
	-{
	- if (mongoc_global_mock_service_id) {
	- ZEND_PUTS("On");
	- } else {
	- ZEND_PUTS("Off");
	- }
	-}
	-
	-void phongo_display_ini_entries(ZEND_MODULE_INFO_FUNC_ARGS)
	-{
	- DISPLAY_INI_ENTRIES();
	-}
	-
	-void phongo_register_ini_entries(INIT_FUNC_ARGS)
	-{
	- PHP_INI_BEGIN()
	- STD_PHP_INI_ENTRY("mongodb.debug", "", PHP_INI_ALL, OnUpdateDebug, debug, zend_mongodb_globals, mongodb_globals)
	- PHP_INI_ENTRY_EX("mongodb.mock_service_id", "0", PHP_INI_ALL, OnUpdateMockServiceId, DisplayMockServiceId)
	- PHP_INI_END()
	-
	- REGISTER_INI_ENTRIES();
	-}
	-
	-void phongo_unregister_ini_entries(SHUTDOWN_FUNC_ARGS)
	-{
	- UNREGISTER_INI_ENTRIES();
	-}
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/src/phongo_ini.h b/mongodb-1.12.0/src/phongo_ini.h
	deleted file mode 100644
	index 92f42e92..00000000
	--- a/mongodb-1.12.0/src/phongo_ini.h
	+++ /dev/null
	@@ -1,37 +0,0 @@
	-/*
	- * Copyright 2021-present MongoDB, Inc.
	- *
	- * Licensed under the Apache License, Version 2.0 (the "License");
	- * you may not use this file except in compliance with the License.
	- * You may obtain a copy of the License at
	- *
	- * http://www.apache.org/licenses/LICENSE-2.0
	- *
	- * Unless required by applicable law or agreed to in writing, software
	- * distributed under the License is distributed on an "AS IS" BASIS,
	- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	- * See the License for the specific language governing permissions and
	- * limitations under the License.
	- */
	-
	-#ifndef PHONGO_INI_H
	-#define PHONGO_INI_H
	-
	-#include <php.h>
	-#include <stdio.h>
	-
	-void phongo_log_disable(FILE* stream);
	-void phongo_display_ini_entries(ZEND_MODULE_INFO_FUNC_ARGS);
	-void phongo_register_ini_entries(INIT_FUNC_ARGS);
	-void phongo_unregister_ini_entries(SHUTDOWN_FUNC_ARGS);
	-
	-#endif /* PHONGO_INI_H */
	-
	-/*
	- * Local variables:
	- * tab-width: 4
	- * c-basic-offset: 4
	- * End:
	- * vim600: noet sw=4 ts=4 fdm=marker
	- * vim<600: noet sw=4 ts=4
	- */
	diff --git a/mongodb-1.12.0/tests/apm/commandFailedEvent-getReply-001.phpt b/mongodb-1.12.0/tests/apm/commandFailedEvent-getReply-001.phpt
	deleted file mode 100644
	index 6bbc874f..00000000
	--- a/mongodb-1.12.0/tests/apm/commandFailedEvent-getReply-001.phpt
	+++ /dev/null
	@@ -1,60 +0,0 @@
	---TEST--
	-MongoDB\Driver\Monitoring\CommandFailedEvent::getReply()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.4'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-class MySubscriber implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted( \MongoDB\Driver\Monitoring\CommandStartedEvent $event )
	- {
	- echo "started: ", $event->getCommandName(), "\n";
	- }
	-
	- public function commandSucceeded( \MongoDB\Driver\Monitoring\CommandSucceededEvent $event )
	- {
	- var_dump($event);
	- }
	-
	- public function commandFailed( \MongoDB\Driver\Monitoring\CommandFailedEvent $event )
	- {
	- echo "failed: ", $event->getCommandName(), "\n";
	- var_dump($event->getReply());
	- }
	-}
	-
	-$subscriber = new MySubscriber;
	-
	-MongoDB\Driver\Monitoring\addSubscriber( $subscriber );
	-
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['_id' => 'foo'],
	- 'upsert' => true,
	- 'new' => true,
	-]);
	-
	-try {
	- $manager->executeWriteCommand(DATABASE_NAME, $command);
	-} catch (MongoDB\Driver\Exception\CommandException $e) {}
	-
	-?>
	---EXPECTF--
	-started: findAndModify
	-failed: findAndModify
	-object(stdClass)#%d (%d) {%A
	- ["ok"]=>
	- float(0)
	- ["errmsg"]=>
	- string(49) "Either an update or remove=true must be specified"
	- ["code"]=>
	- int(9)
	- ["codeName"]=>
	- string(13) "FailedToParse"%A
	-}
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-debug-002.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-debug-002.phpt
	deleted file mode 100644
	index 26c230d4..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-debug-002.phpt
	+++ /dev/null
	@@ -1,68 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite debug output after execution
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$tests = [
	- [],
	- ['session' => $manager->startSession()],
	-];
	-
	-foreach ($tests as $options) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['foo' => 'bar']);
	- $manager->executeBulkWrite(NS, $bulk, $options);
	- var_dump($bulk);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\BulkWrite)#%d (%d) {
	- ["database"]=>
	- %s
	- ["collection"]=>
	- %s
	- ["ordered"]=>
	- bool(true)
	- ["bypassDocumentValidation"]=>
	- NULL
	- ["executed"]=>
	- bool(true)
	- ["server_id"]=>
	- int(%d)
	- ["session"]=>
	- NULL
	- ["write_concern"]=>
	- NULL
	-}
	-object(MongoDB\Driver\BulkWrite)#%d (%d) {
	- ["database"]=>
	- %s
	- ["collection"]=>
	- %s
	- ["ordered"]=>
	- bool(true)
	- ["bypassDocumentValidation"]=>
	- NULL
	- ["executed"]=>
	- bool(true)
	- ["server_id"]=>
	- int(%d)
	- ["session"]=>
	- object(MongoDB\Driver\Session)#%d (%d) {
	- %a
	- }
	- ["write_concern"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-004.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-004.phpt
	deleted file mode 100644
	index 098df8d4..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-004.phpt
	+++ /dev/null
	@@ -1,30 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite::delete() collation option requires MongoDB 3.4
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.4'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-
	-$bulk->delete(
	- ['name' => 'foo'],
	- ['collation' => ['locale' => 'en_US']]
	-);
	-
	-echo throws(function() use ($manager, $bulk) {
	- $manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	-}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Bulk write failed due to previous MongoDB\Driver\Exception\RuntimeException: The selected server does not support collation
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-005.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-005.phpt
	deleted file mode 100644
	index ef9c3c91..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-005.phpt
	+++ /dev/null
	@@ -1,27 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite::delete() hint option requires MongoDB 4.4 (server-side error)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '4.3.4'); ?>
	-<?php skip_if_server_version('<=', '3.6.0'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->delete(['_id' => 1], ['hint' => '_id_']);
	-
	-echo throws(function() use ($manager, $bulk) {
	- $manager->executeBulkWrite(NS, $bulk);
	-}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-BSON field 'delete.deletes.hint' is an unknown field.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update-002.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-update-002.phpt
	deleted file mode 100644
	index 3619d246..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-update-002.phpt
	+++ /dev/null
	@@ -1,84 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite::update() with arrayFilters option
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-
	-$bulk->insert([ '_id' => 1, 'grades' => [ 95, 92, 90 ] ]);
	-$bulk->insert([ '_id' => 2, 'grades' => [ 98, 100, 102 ] ]);
	-$bulk->insert([ '_id' => 3, 'grades' => [ 95, 110, 100 ] ]);
	-
	-$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	-
	-$updateBulk = new MongoDB\Driver\BulkWrite();
	-
	-$query = ['grades' => ['$gte' => 100]];
	-$update = [ '$set' => [ 'grades.$[element]' => 100 ] ];
	-$options = [
	- 'arrayFilters' => [ [ 'element' => [ '$gte' => 100 ] ] ],
	- 'multi' => true
	-];
	-
	-$updateBulk->update($query, $update, $options);
	-$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $updateBulk);
	-
	-$cursor = $manager->executeQuery( DATABASE_NAME . '.' . COLLECTION_NAME, new \MongoDB\Driver\Query([]));
	-var_dump($cursor->toArray());
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(%d) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(1)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(95)
	- [1]=>
	- int(92)
	- [2]=>
	- int(90)
	- }
	- }
	- [1]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(2)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(98)
	- [1]=>
	- int(100)
	- [2]=>
	- int(100)
	- }
	- }
	- [2]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(3)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(95)
	- [1]=>
	- int(100)
	- [2]=>
	- int(100)
	- }
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-006.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-006.phpt
	deleted file mode 100644
	index deb34b22..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-006.phpt
	+++ /dev/null
	@@ -1,31 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite::update() collation option requires MongoDB 3.4
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.4'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-
	-$bulk->update(
	- ['name' => 'foo'],
	- ['$inc' => ['size' => 1]],
	- ['collation' => ['locale' => 'en_US']]
	-);
	-
	-echo throws(function() use ($manager, $bulk) {
	- $manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	-}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Bulk write failed due to previous MongoDB\Driver\Exception\RuntimeException: The selected server does not support collation
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-007.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-007.phpt
	deleted file mode 100644
	index ee76c6e4..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-007.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite::update() arrayFilters option requires MongoDB 3.6
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-
	-$bulk->update(
	- ['grades' => ['$gte' => 100]],
	- ['$set' => ['grades.$[element]' => 100 ]],
	- [
	- 'arrayFilters' => [['element' => ['$gte' => 100]]],
	- 'multi' => true,
	- ]
	-);
	-
	-echo throws(function() use ($manager, $bulk) {
	- $manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	-}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Bulk write failed due to previous MongoDB\Driver\Exception\RuntimeException: The selected server does not support array filters
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-008.phpt b/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-008.phpt
	deleted file mode 100644
	index a7284ab0..00000000
	--- a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-008.phpt
	+++ /dev/null
	@@ -1,27 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite::update() hint option requires MongoDB 4.2 (server-side error)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '4.2'); ?>
	-<?php skip_if_server_version('<=', '3.6.0'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->update(['_id' => 1], ['$set' => ['x' => 11]], ['hint' => '_id_']);
	-
	-echo throws(function() use ($manager, $bulk) {
	- $manager->executeBulkWrite(NS, $bulk);
	-}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-BSON field 'update.updates.hint' is an unknown field.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-001.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-001.phpt
	deleted file mode 100644
	index 7050300f..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-001.phpt
	+++ /dev/null
	@@ -1,24 +0,0 @@
	---TEST--
	-Causal consistency: new session has no operation time
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial operation time:\n";
	-var_dump($session->getOperationTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Initial operation time:
	-NULL
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-002.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-002.phpt
	deleted file mode 100644
	index 05bbe3a0..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-002.phpt
	+++ /dev/null
	@@ -1,33 +0,0 @@
	---TEST--
	-Causal consistency: first read in session does not include afterClusterTime
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-(new CommandObserver)->observe(
	- function() {
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- },
	- function(stdClass $command)
	- {
	- $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	- printf("Read includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Read includes afterClusterTime: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-003.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-003.phpt
	deleted file mode 100644
	index c480b682..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-003.phpt
	+++ /dev/null
	@@ -1,114 +0,0 @@
	---TEST--
	-Causal consistency: first read or write in session updates operationTime
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lastSeenOperationTime;
	-
	- public function executeBulkWrite()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	- printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function executeCommand()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $command = new MongoDB\Driver\Command(['ping' => 1]);
	- $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	- printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function executeQuery()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	- printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- $reply = $event->getReply();
	- $hasOperationTime = isset($reply->{'operationTime'});
	-
	- printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	-
	- if ($hasOperationTime) {
	- $this->lastSeenOperationTime = $reply->operationTime;
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-echo "Testing executeBulkWrite()\n";
	-(new Test)->executeBulkWrite();
	-
	-echo "\nTesting executeCommand()\n";
	-(new Test)->executeCommand();
	-
	-echo "\nTesting executeQuery()\n";
	-(new Test)->executeQuery();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing executeBulkWrite()
	-insert command reply includes operationTime: yes
	-Session reports last seen operationTime: yes
	-
	-Testing executeCommand()
	-ping command reply includes operationTime: yes
	-Session reports last seen operationTime: yes
	-
	-Testing executeQuery()
	-find command reply includes operationTime: yes
	-Session reports last seen operationTime: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-004.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-004.phpt
	deleted file mode 100644
	index 8a5c06f8..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-004.phpt
	+++ /dev/null
	@@ -1,137 +0,0 @@
	---TEST--
	-Causal consistency: first read or write in session updates operationTime (even on error)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lastSeenOperationTime;
	-
	- public function executeBulkWrite()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['_id' => 1]);
	- $bulk->insert(['_id' => 1]);
	-
	- throws(function() use ($manager, $bulk, $session) {
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	- }, 'MongoDB\Driver\Exception\BulkWriteException');
	-
	- printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function executeCommand()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$unsupportedOperator' => 1],
	- ],
	- 'cursor' => new stdClass,
	- ]);
	-
	- throws(function() use ($manager, $command, $session) {
	- $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	- }, 'MongoDB\Driver\Exception\RuntimeException');
	-
	- /* We cannot access the server reply if an exception is thrown for a
	- * failed command (see: PHPC-1076). For the time being, just assert that
	- * the operationTime is not null. */
	- printf("Session has non-null operationTime: %s\n", ($session->getOperationTime() !== null ? 'yes' : 'no'));
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function executeQuery()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query(['$unsupportedOperator' => 1]);
	-
	- throws(function() use ($manager, $query, $session) {
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- }, 'MongoDB\Driver\Exception\RuntimeException');
	-
	- /* We cannot access the server reply if an exception is thrown for a
	- * failed command (see: PHPC-1076). For the time being, just assert that
	- * the operationTime is not null. */
	- printf("Session has non-null operationTime: %s\n", ($session->getOperationTime() !== null ? 'yes' : 'no'));
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- $reply = $event->getReply();
	- $hasOperationTime = isset($reply->operationTime);
	-
	- printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	-
	- if ($hasOperationTime) {
	- $this->lastSeenOperationTime = $reply->operationTime;
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-echo "Testing executeBulkWrite()\n";
	-(new Test)->executeBulkWrite();
	-
	-echo "\nTesting executeCommand()\n";
	-(new Test)->executeCommand();
	-
	-echo "\nTesting executeQuery()\n";
	-(new Test)->executeQuery();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing executeBulkWrite()
	-insert command reply includes operationTime: yes
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Session reports last seen operationTime: yes
	-
	-Testing executeCommand()
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Session has non-null operationTime: yes
	-
	-Testing executeQuery()
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Session has non-null operationTime: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-005.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-005.phpt
	deleted file mode 100644
	index 6275e2eb..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-005.phpt
	+++ /dev/null
	@@ -1,103 +0,0 @@
	---TEST--
	-Causal consistency: second read's afterClusterTime uses last reply's operationTime
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lastSeenOperationTime;
	-
	- public function executeReadAfterRead()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function executeReadAfterWrite()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	- printf("%s command includes afterClusterTime: %s\n", $event->getCommandName(), ($hasAfterClusterTime ? 'yes' : 'no'));
	-
	- if ($hasAfterClusterTime && $this->lastSeenOperationTime !== null) {
	- printf("%s command uses last seen operationTime: %s\n", $event->getCommandName(), ($command->readConcern->afterClusterTime == $this->lastSeenOperationTime) ? 'yes' : 'no');
	- }
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- $reply = $event->getReply();
	- $hasOperationTime = isset($reply->operationTime);
	-
	- printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	-
	- if ($hasOperationTime) {
	- $this->lastSeenOperationTime = $reply->operationTime;
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-echo "Testing read after read\n";
	-(new Test)->executeReadAfterRead();
	-
	-echo "\nTesting read after write\n";
	-(new Test)->executeReadAfterWrite();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing read after read
	-find command includes afterClusterTime: no
	-find command reply includes operationTime: yes
	-find command includes afterClusterTime: yes
	-find command uses last seen operationTime: yes
	-find command reply includes operationTime: yes
	-
	-Testing read after write
	-insert command includes afterClusterTime: no
	-insert command reply includes operationTime: yes
	-find command includes afterClusterTime: yes
	-find command uses last seen operationTime: yes
	-find command reply includes operationTime: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-006.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-006.phpt
	deleted file mode 100644
	index 763f307c..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-006.phpt
	+++ /dev/null
	@@ -1,118 +0,0 @@
	---TEST--
	-Causal consistency: second read's afterClusterTime uses last reply's operationTime (even on error)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lastSeenOperationTime;
	-
	- public function executeReadAfterReadError()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query(['$unsupportedOperator' => 1]);
	-
	- throws(function() use ($manager, $query, $session) {
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- }, 'MongoDB\Driver\Exception\RuntimeException');
	-
	- /* We cannot access the server reply if an exception is thrown for a
	- * failed command (see: PHPC-1076). For the time being, just assert that
	- * the operationTime is not null. */
	- printf("Session has non-null operationTime: %s\n", ($session->getOperationTime() !== null ? 'yes' : 'no'));
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function executeReadAfterWriteError()
	- {
	- $this->lastSeenOperationTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['_id' => 1]);
	- $bulk->insert(['_id' => 1]);
	-
	- throws(function() use ($manager, $bulk, $session) {
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	- }, 'MongoDB\Driver\Exception\BulkWriteException');
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	- printf("%s command includes afterClusterTime: %s\n", $event->getCommandName(), ($hasAfterClusterTime ? 'yes' : 'no'));
	-
	- if ($hasAfterClusterTime && $this->lastSeenOperationTime !== null) {
	- printf("%s command uses last seen operationTime: %s\n", $event->getCommandName(), ($command->readConcern->afterClusterTime == $this->lastSeenOperationTime) ? 'yes' : 'no');
	- }
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- $reply = $event->getReply();
	- $hasOperationTime = isset($reply->operationTime);
	-
	- printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	-
	- if ($hasOperationTime) {
	- $this->lastSeenOperationTime = $reply->operationTime;
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-echo "\nTesting read after read error\n";
	-(new Test)->executeReadAfterReadError();
	-
	-echo "\nTesting read after write error\n";
	-(new Test)->executeReadAfterWriteError();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing read after read error
	-find command includes afterClusterTime: no
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Session has non-null operationTime: yes
	-find command includes afterClusterTime: yes
	-find command reply includes operationTime: yes
	-
	-Testing read after write error
	-insert command includes afterClusterTime: no
	-insert command reply includes operationTime: yes
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-find command includes afterClusterTime: yes
	-find command uses last seen operationTime: yes
	-find command reply includes operationTime: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-007.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-007.phpt
	deleted file mode 100644
	index 6ed20b3d..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-007.phpt
	+++ /dev/null
	@@ -1,35 +0,0 @@
	---TEST--
	-Causal consistency: reads in non-causally consistent session never include afterClusterTime
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-(new CommandObserver)->observe(
	- function() {
	- $manager = create_test_manager();
	- $session = $manager->startSession(['causalConsistency' => false]);
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- },
	- function(stdClass $command)
	- {
	- $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	- printf("Read includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Read includes afterClusterTime: no
	-Read includes afterClusterTime: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-008.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-008.phpt
	deleted file mode 100644
	index 2c9a55b8..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-008.phpt
	+++ /dev/null
	@@ -1,40 +0,0 @@
	---TEST--
	-Causal consistency: default read concern includes afterClusterTime but not level
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-(new CommandObserver)->observe(
	- function() {
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- },
	- function(stdClass $command)
	- {
	- $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	- printf("Read concern includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	-
	- $hasLevel = isset($command->readConcern->level);
	- printf("Read concern includes level: %s\n", ($hasLevel ? 'yes' : 'no'));
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Read concern includes afterClusterTime: no
	-Read concern includes level: no
	-Read concern includes afterClusterTime: yes
	-Read concern includes level: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-009.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-009.phpt
	deleted file mode 100644
	index 5c858b67..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-009.phpt
	+++ /dev/null
	@@ -1,41 +0,0 @@
	---TEST--
	-Causal consistency: custom read concern merges afterClusterTime and level
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-(new CommandObserver)->observe(
	- function() {
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $readConcern = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);
	- $query = new MongoDB\Driver\Query([], ['readConcern' => $readConcern]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- },
	- function(stdClass $command)
	- {
	- $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	- printf("Read concern includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	-
	- $hasLevel = isset($command->readConcern->level);
	- printf("Read concern includes level: %s\n", ($hasLevel ? 'yes' : 'no'));
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Read concern includes afterClusterTime: no
	-Read concern includes level: yes
	-Read concern includes afterClusterTime: yes
	-Read concern includes level: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-010.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-010.phpt
	deleted file mode 100644
	index 64eea19a..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-010.phpt
	+++ /dev/null
	@@ -1,41 +0,0 @@
	---TEST--
	-Causal consistency: unacknowledged write does not update operationTime
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial operation time:\n";
	-var_dump($session->getOperationTime());
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-$writeConcern = new MongoDB\Driver\WriteConcern(0);
	-
	-/* Ignore the InvalidArgumentException for trying to combine an unacknowledged
	- * write concern with an explicit session. */
	-try {
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session, 'writeConcern' => $writeConcern]);
	-} catch (MongoDB\Driver\Exception\InvalidArgumentException $e) {}
	-
	-echo "\nOperation time after unacknowledged write:\n";
	-var_dump($session->getOperationTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Initial operation time:
	-NULL
	-
	-Operation time after unacknowledged write:
	-NULL
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-011.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-011.phpt
	deleted file mode 100644
	index a3f7992f..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-011.phpt
	+++ /dev/null
	@@ -1,36 +0,0 @@
	---TEST--
	-Causal consistency: $clusterTime is not sent in commands to unsupported deployments
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-(new CommandObserver)->observe(
	- function() {
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- },
	- function(stdClass $command)
	- {
	- $hasClusterTime = isset($command->{'$clusterTime'});
	- printf("Command includes \$clusterTime: %s\n", ($hasClusterTime ? 'yes' : 'no'));
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Command includes $clusterTime: no
	-Command includes $clusterTime: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-012.phpt b/mongodb-1.12.0/tests/causal-consistency/causal-consistency-012.phpt
	deleted file mode 100644
	index 494faa4c..00000000
	--- a/mongodb-1.12.0/tests/causal-consistency/causal-consistency-012.phpt
	+++ /dev/null
	@@ -1,36 +0,0 @@
	---TEST--
	-Causal consistency: $clusterTime is sent in commands to supported deployments
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_load_balanced(); /* TODO: CDRIVER-4174 */ ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-(new CommandObserver)->observe(
	- function() {
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- },
	- function(stdClass $command)
	- {
	- $hasClusterTime = isset($command->{'$clusterTime'});
	- printf("Command includes \$clusterTime: %s\n", ($hasClusterTime ? 'yes' : 'no'));
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Command includes $clusterTime: yes
	-Command includes $clusterTime: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-decrypt-001.phpt b/mongodb-1.12.0/tests/clientEncryption/clientEncryption-decrypt-001.phpt
	deleted file mode 100644
	index fc1f50db..00000000
	--- a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-decrypt-001.phpt
	+++ /dev/null
	@@ -1,28 +0,0 @@
	---TEST--
	-MongoDB\Driver\ClientEncryption::decrypt()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongocrypt(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$key = base64_decode('Mng0NCt4ZHVUYUJCa1kxNkVyNUR1QURhZ2h2UzR2d2RrZzh0cFBwM3R6NmdWMDFBMUN3YkQ5aXRRMkhGRGdQV09wOGVNYUMxT2k3NjZKelhaQmRCZGJkTXVyZG9uSjFk');
	-
	-$manager = create_test_manager();
	-$clientEncryption = $manager->createClientEncryption(['keyVaultNamespace' => 'default.keys', 'kmsProviders' => ['local' => ['key' => new MongoDB\BSON\Binary($key, 0)]]]);
	-
	-$key = $clientEncryption->createDataKey('local');
	-
	-$encrypted = $clientEncryption->encrypt('top-secret', ['keyId' => $key, 'algorithm' => MongoDB\Driver\ClientEncryption::AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC]);
	-var_dump($clientEncryption->decrypt($encrypted));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-string(10) "top-secret"
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-encrypt-001.phpt b/mongodb-1.12.0/tests/clientEncryption/clientEncryption-encrypt-001.phpt
	deleted file mode 100644
	index e582876a..00000000
	--- a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-encrypt-001.phpt
	+++ /dev/null
	@@ -1,32 +0,0 @@
	---TEST--
	-MongoDB\Driver\ClientEncryption::encrypt()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongocrypt(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$key = base64_decode('Mng0NCt4ZHVUYUJCa1kxNkVyNUR1QURhZ2h2UzR2d2RrZzh0cFBwM3R6NmdWMDFBMUN3YkQ5aXRRMkhGRGdQV09wOGVNYUMxT2k3NjZKelhaQmRCZGJkTXVyZG9uSjFk');
	-
	-$manager = create_test_manager();
	-$clientEncryption = $manager->createClientEncryption(['keyVaultNamespace' => 'default.keys', 'kmsProviders' => ['local' => ['key' => new MongoDB\BSON\Binary($key, 0)]]]);
	-
	-$key = $clientEncryption->createDataKey('local');
	-
	-var_dump($clientEncryption->encrypt('top-secret', ['keyId' => $key, 'algorithm' => MongoDB\Driver\ClientEncryption::AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC]));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(82) "%a"
	- ["type"]=>
	- int(6)
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/command/cursor-tailable-001.phpt b/mongodb-1.12.0/tests/command/cursor-tailable-001.phpt
	deleted file mode 100644
	index 7a205b32..00000000
	--- a/mongodb-1.12.0/tests/command/cursor-tailable-001.phpt
	+++ /dev/null
	@@ -1,72 +0,0 @@
	---TEST--
	-MongoDB\Driver\Command tailable cursor iteration with maxAwaitTimeMS option
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-$manager = create_test_manager();
	-
	-$manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	- 'create' => COLLECTION_NAME,
	- 'capped' => true,
	- 'size' => 1048576,
	-]));
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-$bulkWrite->insert(['_id' => 1]);
	-$manager->executeBulkWrite(NS, $bulkWrite);
	-
	-$pipeline = [
	- [ '$changeStream' => [ 'fullDocument' => 'updateLookup' ] ]
	-];
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => $pipeline,
	- 'cursor' => ['batchSize' => 0],
	-], [
	- 'maxAwaitTimeMS' => 500,
	-]);
	-
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	-$it = new IteratorIterator($cursor);
	-
	-$it->rewind();
	-$it->next();
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-$bulkWrite->insert(['_id' => "new-document"]);
	-$manager->executeBulkWrite(NS, $bulkWrite);
	-
	-$startTime = microtime(true);
	-echo "Awaiting results...\n";
	-$it->next();
	-var_dump($it->current()->operationType, $it->current()->documentKey);
	-printf("Waited for %.6f seconds\n", microtime(true) - $startTime);
	-
	-$startTime = microtime(true);
	-echo "Awaiting results...\n";
	-$it->next();
	-var_dump($it->current()); /* Should be NULL */
	-printf("Waited for %.6f seconds\n", microtime(true) - $startTime);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Awaiting results...
	-string(6) "insert"
	-object(stdClass)#%d (%d) {
	- ["_id"]=>
	- string(12) "new-document"
	-}
	-Waited for 0.%d seconds
	-Awaiting results...
	-NULL
	-Waited for 0.%r(4\|5)\d*%r seconds
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/command/findAndModify-001.phpt b/mongodb-1.12.0/tests/command/findAndModify-001.phpt
	deleted file mode 100644
	index 65669dec..00000000
	--- a/mongodb-1.12.0/tests/command/findAndModify-001.phpt
	+++ /dev/null
	@@ -1,84 +0,0 @@
	---TEST--
	-MongoDB\Driver\Command with findAndModify and arrayFilters
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-
	-$bulk->insert([ '_id' => 1, 'grades' => [ 95, 92, 90 ] ]);
	-$bulk->insert([ '_id' => 2, 'grades' => [ 98, 100, 102 ] ]);
	-$bulk->insert([ '_id' => 3, 'grades' => [ 95, 110, 100 ] ]);
	-
	-$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	-
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['grades' => [ '$gt' => 100 ] ],
	- 'update' => ['$set' => [ 'grades.$[element]' => 100 ] ],
	- 'arrayFilters' => [ [ 'element' => [ '$gt' => 100 ] ] ],
	-]);
	-
	-// Running this twice, because findAndModify only updates the first document
	-// it finds.
	-$manager->executeCommand(DATABASE_NAME, $command);
	-$manager->executeCommand(DATABASE_NAME, $command);
	-
	-$cursor = $manager->executeQuery( DATABASE_NAME . '.' . COLLECTION_NAME, new \MongoDB\Driver\Query([]));
	-var_dump($cursor->toArray());
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(%d) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(1)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(95)
	- [1]=>
	- int(92)
	- [2]=>
	- int(90)
	- }
	- }
	- [1]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(2)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(98)
	- [1]=>
	- int(100)
	- [2]=>
	- int(100)
	- }
	- }
	- [2]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(3)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(95)
	- [1]=>
	- int(100)
	- [2]=>
	- int(100)
	- }
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/command/update-001.phpt b/mongodb-1.12.0/tests/command/update-001.phpt
	deleted file mode 100644
	index c27cfe50..00000000
	--- a/mongodb-1.12.0/tests/command/update-001.phpt
	+++ /dev/null
	@@ -1,84 +0,0 @@
	---TEST--
	-MongoDB\Driver\Command with update and arrayFilters
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-
	-$bulk->insert([ '_id' => 1, 'grades' => [ 95, 92, 90 ] ]);
	-$bulk->insert([ '_id' => 2, 'grades' => [ 98, 100, 102 ] ]);
	-$bulk->insert([ '_id' => 3, 'grades' => [ 95, 110, 100 ] ]);
	-
	-$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	-
	-$command = new MongoDB\Driver\Command([
	- 'update' => COLLECTION_NAME,
	- 'updates' => [[
	- 'q' => [ 'grades' => [ '$gte' => 100 ] ],
	- 'u' => [ '$set' => [ 'grades.$[element]' => 100 ] ],
	- 'arrayFilters' => [ [ 'element' => [ '$gte' => 100 ] ] ],
	- 'multi' => true
	- ]],
	-]);
	-
	-$manager->executeCommand(DATABASE_NAME, $command);
	-
	-$cursor = $manager->executeQuery( DATABASE_NAME . '.' . COLLECTION_NAME, new \MongoDB\Driver\Query([]));
	-var_dump($cursor->toArray());
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(%d) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(1)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(95)
	- [1]=>
	- int(92)
	- [2]=>
	- int(90)
	- }
	- }
	- [1]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(2)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(98)
	- [1]=>
	- int(100)
	- [2]=>
	- int(100)
	- }
	- }
	- [2]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(3)
	- ["grades"]=>
	- array(%d) {
	- [0]=>
	- int(95)
	- [1]=>
	- int(100)
	- [2]=>
	- int(100)
	- }
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/bug0720.phpt b/mongodb-1.12.0/tests/connect/bug0720.phpt
	deleted file mode 100644
	index 79d64ca8..00000000
	--- a/mongodb-1.12.0/tests/connect/bug0720.phpt
	+++ /dev/null
	@@ -1,37 +0,0 @@
	---TEST--
	-PHPC-720: Do not persist SSL streams to avoid SSL reinitialization errors
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	-<?php skip_if_no_ssl_dir(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$driverOptions = [
	- // libmongoc does not allow the hostname to be overridden as "server"
	- 'allow_invalid_hostname' => true,
	- 'ca_file' => SSL_DIR . '/ca.pem',
	-];
	-
	-$manager = create_test_manager(URI, [], $driverOptions);
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-unset($manager, $cursor);
	-
	-$manager = create_test_manager(URI, [], $driverOptions);
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "ca_file" driver option is deprecated. Please use the "tlsCAFile" URI option instead.%s
	-ping: 1
	-ping: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/bug1045.phpt b/mongodb-1.12.0/tests/connect/bug1045.phpt
	deleted file mode 100644
	index 5078b48e..00000000
	--- a/mongodb-1.12.0/tests/connect/bug1045.phpt
	+++ /dev/null
	@@ -1,22 +0,0 @@
	---TEST--
	-PHPC-1045: Segfault if username is not provided for SCRAM-SHA-1 authMechanism
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	---FILE--
	-<?php
	-
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-echo throws(function() {
	- // URI may or may not support auth, but that is not necessary for the test
	- create_test_manager('mongodb://127.0.0.1/', ['authMechanism' => 'SCRAM-SHA-1']);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: 'SCRAM-SHA-1' authentication mechanism requires username.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-ssl-no_verify-001.phpt b/mongodb-1.12.0/tests/connect/standalone-ssl-no_verify-001.phpt
	deleted file mode 100644
	index ebd7d794..00000000
	--- a/mongodb-1.12.0/tests/connect/standalone-ssl-no_verify-001.phpt
	+++ /dev/null
	@@ -1,28 +0,0 @@
	---TEST--
	-Connect to MongoDB with SSL and no host/cert verification
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$driverOptions = [
	- 'allow_invalid_hostname' => true,
	- "weak_cert_validation" => true,
	-];
	-
	-$manager = create_test_manager(URI, [], $driverOptions);
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "weak_cert_validation" driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-ping: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-ssl-no_verify-002.phpt b/mongodb-1.12.0/tests/connect/standalone-ssl-no_verify-002.phpt
	deleted file mode 100644
	index 2209b2c6..00000000
	--- a/mongodb-1.12.0/tests/connect/standalone-ssl-no_verify-002.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-Connect to MongoDB with SSL and no host/cert verification (context options)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$driverOptions = [
	- 'context' => stream_context_create([
	- 'ssl' => [
	- 'allow_invalid_hostname' => true,
	- 'allow_self_signed' => true, // "weak_cert_validation" alias
	- ],
	- ]),
	-];
	-
	-$manager = create_test_manager(URI, [], $driverOptions);
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-ping: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-001.phpt b/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-001.phpt
	deleted file mode 100644
	index 1df0be05..00000000
	--- a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-001.phpt
	+++ /dev/null
	@@ -1,33 +0,0 @@
	---TEST--
	-Connect to MongoDB with SSL and cert verification
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	-<?php skip_if_no_ssl_dir(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$driverOptions = [
	- // libmongoc does not allow the hostname to be overridden as "server"
	- 'allow_invalid_hostname' => true,
	- 'weak_cert_validation' => false,
	- 'ca_file' => SSL_DIR . '/ca.pem',
	-];
	-
	-$manager = create_test_manager(URI, [], $driverOptions);
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "weak_cert_validation" driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "ca_file" driver option is deprecated. Please use the "tlsCAFile" URI option instead.%s
	-ping: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-002.phpt b/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-002.phpt
	deleted file mode 100644
	index 15ae3555..00000000
	--- a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-002.phpt
	+++ /dev/null
	@@ -1,39 +0,0 @@
	---TEST--
	-Connect to MongoDB with SSL and cert verification (context options)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	-<?php skip_if_no_ssl_dir(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$driverOptions = [
	- 'context' => stream_context_create([
	- 'ssl' => [
	- // libmongoc does not allow the hostname to be overridden as "server"
	- 'allow_invalid_hostname' => true,
	- 'allow_self_signed' => false, // "weak_cert_validation" alias
	- 'cafile' => SSL_DIR . '/ca.pem', // "ca_file" alias
	- ],
	- ]),
	-];
	-
	-$manager = create_test_manager(URI, [], $driverOptions);
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "cafile" context driver option is deprecated. Please use the "tlsCAFile" URI option instead.%s
	-ping: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-error-001.phpt b/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-error-001.phpt
	deleted file mode 100644
	index 82d0e8bd..00000000
	--- a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-error-001.phpt
	+++ /dev/null
	@@ -1,32 +0,0 @@
	---TEST--
	-Connect to MongoDB with SSL and cert verification error
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$driverOptions = [
	- // libmongoc does not allow the hostname to be overridden as "server"
	- 'allow_invalid_hostname' => true,
	- 'weak_cert_validation' => false,
	-];
	-
	-echo throws(function() use ($driverOptions) {
	- $manager = create_test_manager(URI, [], $driverOptions);
	- $cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	- var_dump($cursor->toArray()[0]);
	-}, MongoDB\Driver\Exception\ConnectionException::class, 'executeCommand'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "weak_cert_validation" driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-OK: Got MongoDB\Driver\Exception\ConnectionException thrown from executeCommand
	-%sTLS handshake failed%s
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1050-001.phpt b/mongodb-1.12.0/tests/cursor/bug1050-001.phpt
	deleted file mode 100644
	index 52e2390a..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1050-001.phpt
	+++ /dev/null
	@@ -1,110 +0,0 @@
	---TEST--
	-PHPC-1050: Command cursor should not invoke getMore at execution
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	- return;
	- }
	-
	- printf("Executing command: %s\n", $event->getCommandName());
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	- return;
	- }
	-
	- printf("Executing command took %0.6f seconds\n", $event->getDurationMicros() / 1000000);
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager();
	-
	-$cmd = new MongoDB\Driver\Command(
	- [
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$changeStream' => (object) []],
	- ],
	- 'cursor' => (object) [],
	- ],
	- [
	- 'maxAwaitTimeMS' => 500,
	- ]
	-);
	-
	-MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	-
	-$cursor = $manager->executeReadCommand(DATABASE_NAME, $cmd);
	-
	-$it = new IteratorIterator($cursor);
	-
	-printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	-
	-echo "Rewinding cursor\n";
	-$it->rewind();
	-
	-printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "Advancing cursor\n";
	-$it->next();
	-
	-printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	-
	-$document = $it->current();
	-
	-if (isset($document)) {
	- printf("Operation type: %s\n", $document->operationType);
	- var_dump($document->fullDocument);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Executing command: aggregate
	-Executing command took 0.%d seconds
	-Current position is valid: no
	-
	-Rewinding cursor
	-Executing command: getMore
	-Executing command took 0.%r(4\|5)%r%d seconds
	-Current position is valid: no
	-
	-Advancing cursor
	-Executing command: getMore
	-Executing command took 0.%d seconds
	-Current position is valid: yes
	-
	-Operation type: insert
	-object(stdClass)#%d (%d) {
	- ["_id"]=>
	- object(MongoDB\BSON\ObjectId)#%d (%d) {
	- ["oid"]=>
	- string(24) "%x"
	- }
	- ["x"]=>
	- int(1)
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1050-002.phpt b/mongodb-1.12.0/tests/cursor/bug1050-002.phpt
	deleted file mode 100644
	index 096e7412..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1050-002.phpt
	+++ /dev/null
	@@ -1,118 +0,0 @@
	---TEST--
	-PHPC-1050: Command cursor should not invoke getMore at execution (rewind omitted)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_php_version('>', '7.99'); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-/* Note: this test is skipped on PHP 8 because the InternalIterator class
	- * returned by Cursor::getIterator() has logic to ensure rewind() is always
	- * called. That causes and additional getMore to be observed when starting
	- * iteration with next(), since rewind() and next() both trigger a getMore.
	- * We may be able to resume running this test on PHP 8 if Cursor implements
	- * Iterator directly and allow rewind() to be optional (see: PHPC-1691). */
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	- return;
	- }
	-
	- printf("Executing command: %s\n", $event->getCommandName());
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	- return;
	- }
	-
	- printf("Executing command took %0.6f seconds\n", $event->getDurationMicros() / 1000000);
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager();
	-
	-$cmd = new MongoDB\Driver\Command(
	- [
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$changeStream' => (object) []],
	- ],
	- 'cursor' => (object) [],
	- ],
	- [
	- 'maxAwaitTimeMS' => 500,
	- ]
	-);
	-
	-MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	-
	-$cursor = $manager->executeReadCommand(DATABASE_NAME, $cmd);
	-
	-$it = new IteratorIterator($cursor);
	-
	-printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	-
	-echo "Advancing cursor\n";
	-$it->next();
	-
	-printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "Advancing cursor\n";
	-$it->next();
	-
	-printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	-
	-$document = $it->current();
	-
	-if (isset($document)) {
	- printf("Operation type: %s\n", $document->operationType);
	- var_dump($document->fullDocument);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Executing command: aggregate
	-Executing command took 0.%d seconds
	-Current position is valid: no
	-
	-Advancing cursor
	-Executing command: getMore
	-Executing command took 0.%r(4\|5)%r%d seconds
	-Current position is valid: no
	-
	-Advancing cursor
	-Executing command: getMore
	-Executing command took 0.%d seconds
	-Current position is valid: yes
	-
	-Operation type: insert
	-object(stdClass)#%d (%d) {
	- ["_id"]=>
	- object(MongoDB\BSON\ObjectId)#%d (%d) {
	- ["oid"]=>
	- string(24) "%x"
	- }
	- ["x"]=>
	- int(1)
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1151-001.phpt b/mongodb-1.12.0/tests/cursor/bug1151-001.phpt
	deleted file mode 100644
	index ab21dcb4..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1151-001.phpt
	+++ /dev/null
	@@ -1,38 +0,0 @@
	---TEST--
	-PHPC-1151: Segfault if session unset before first getMore (find)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$session = $manager->startSession();
	-
	-$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	-foreach ($cursor as $document) {
	- unset($session);
	- echo $document->_id, "\n";
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-1
	-2
	-3
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1151-002.phpt b/mongodb-1.12.0/tests/cursor/bug1151-002.phpt
	deleted file mode 100644
	index 58474b81..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1151-002.phpt
	+++ /dev/null
	@@ -1,42 +0,0 @@
	---TEST--
	-PHPC-1151: Segfault if session unset before first getMore (aggregate)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [],
	- 'cursor' => ['batchSize' => 2],
	-]);
	-$session = $manager->startSession();
	-
	-$cursor = $manager->executeReadCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	-foreach ($cursor as $document) {
	- unset($session);
	- echo $document->_id, "\n";
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-1
	-2
	-3
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1151-003.phpt b/mongodb-1.12.0/tests/cursor/bug1151-003.phpt
	deleted file mode 100644
	index c5793c7f..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1151-003.phpt
	+++ /dev/null
	@@ -1,32 +0,0 @@
	---TEST--
	-PHPC-1151: Segfault if session unset before cursor is killed (find)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$session = $manager->startSession();
	-
	-$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	-unset($session);
	-unset($cursor);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1151-004.phpt b/mongodb-1.12.0/tests/cursor/bug1151-004.phpt
	deleted file mode 100644
	index d0c733f4..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1151-004.phpt
	+++ /dev/null
	@@ -1,36 +0,0 @@
	---TEST--
	-PHPC-1151: Segfault if session unset before cursor is killed (aggregate)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [],
	- 'cursor' => ['batchSize' => 2],
	-]);
	-$session = $manager->startSession();
	-
	-$cursor = $manager->executeReadCommand(DATABASE_NAME, $command, ['session' => $session]);
	-unset($session);
	-unset($cursor);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1152-001.phpt b/mongodb-1.12.0/tests/cursor/bug1152-001.phpt
	deleted file mode 100644
	index 7b54ea2d..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1152-001.phpt
	+++ /dev/null
	@@ -1,132 +0,0 @@
	---TEST--
	-PHPC-1152: Command cursors should use the same session for getMore and killCursors (implicit)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lsidByCursorId = [];
	- private $lsidByRequestId = [];
	-
	- public function executeCommand()
	- {
	- $manager = create_test_manager();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['_id' => 1]);
	- $bulk->insert(['_id' => 2]);
	- $bulk->insert(['_id' => 3]);
	- $manager->executeBulkWrite(NS, $bulk);
	-
	- $command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [['$match' => new stdClass]],
	- 'cursor' => ['batchSize' => 2],
	- ]);
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- /* By creating two cursors with the same name, PHP's reference counting
	- * will destroy the first after the second is created. Note that
	- * mongoc_cursor_destroy also destroys implicit sessions and returns
	- * them to the LIFO pool. This sequencing allows us to test that getMore
	- * and killCursors use the session ID corresponding to the original
	- * aggregate command. */
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	- $cursor->toArray();
	-
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	- $cursor->toArray();
	-
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	- unset($cursor);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	-
	- /* We should expect two unique session IDs over the course of the test,
	- * since at most two implicit sessions would have been in use at any
	- * given time. */
	- printf("Unique session IDs used: %d\n", count(array_unique($this->lsidByRequestId)));
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $requestId = $event->getRequestId();
	- $sessionId = bin2hex((string) $event->getCommand()->lsid->id);
	-
	- printf("%s session ID: %s\n", $event->getCommandName(), $sessionId);
	-
	- if ($event->getCommandName() === 'aggregate') {
	- if (isset($this->lsidByRequestId[$requestId])) {
	- throw new UnexpectedValueException('Previous command observed for request ID: ' . $requestId);
	- }
	-
	- $this->lsidByRequestId[$requestId] = $sessionId;
	- }
	-
	- if ($event->getCommandName() === 'getMore') {
	- $cursorId = (string) $event->getCommand()->getMore;
	-
	- if ( ! isset($this->lsidByCursorId[$cursorId])) {
	- throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	- }
	-
	- printf("getMore used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	- }
	-
	- if ($event->getCommandName() === 'killCursors') {
	- $cursorId = (string) $event->getCommand()->cursors[0];
	-
	- if ( ! isset($this->lsidByCursorId[$cursorId])) {
	- throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	- }
	-
	- printf("killCursors used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	- }
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- /* Associate the aggregate's session ID with its cursor ID so it can be
	- * looked up by the subsequent getMore or killCursors */
	- if ($event->getCommandName() === 'aggregate') {
	- $cursorId = (string) $event->getReply()->cursor->id;
	- $requestId = $event->getRequestId();
	-
	- $this->lsidByCursorId[$cursorId] = $this->lsidByRequestId[$requestId];
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-(new Test)->executeCommand();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-aggregate session ID: %x
	-getMore session ID: %x
	-getMore used same session as aggregate: yes
	-aggregate session ID: %x
	-getMore session ID: %x
	-getMore used same session as aggregate: yes
	-aggregate session ID: %x
	-aggregate session ID: %x
	-killCursors session ID: %x
	-killCursors used same session as aggregate: yes
	-killCursors session ID: %x
	-killCursors used same session as aggregate: yes
	-Unique session IDs used: 2
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1152-002.phpt b/mongodb-1.12.0/tests/cursor/bug1152-002.phpt
	deleted file mode 100644
	index 13f1f6dd..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1152-002.phpt
	+++ /dev/null
	@@ -1,130 +0,0 @@
	---TEST--
	-PHPC-1152: Command cursors should use the same session for getMore and killCursors (explicit)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lsidByCursorId = [];
	- private $lsidByRequestId = [];
	-
	- public function executeCommand()
	- {
	- $manager = create_test_manager();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['_id' => 1]);
	- $bulk->insert(['_id' => 2]);
	- $bulk->insert(['_id' => 3]);
	- $manager->executeBulkWrite(NS, $bulk);
	-
	- $command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [['$match' => new stdClass]],
	- 'cursor' => ['batchSize' => 2],
	- ]);
	-
	- $session = $manager->startSession();
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- /* This uses the same sequencing as the implicit session test; however,
	- * we should expect all commands (aggregate, getMore, and killCursors)
	- * to use the same explicit session ID. */
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	- $cursor->toArray();
	-
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	- $cursor->toArray();
	-
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	- $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	- unset($cursor);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	-
	- /* We should expect one unique session ID over the course of the test,
	- * since all commands used the same explicit session. */
	- printf("Unique session IDs used: %d\n", count(array_unique($this->lsidByRequestId)));
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $requestId = $event->getRequestId();
	- $sessionId = bin2hex((string) $event->getCommand()->lsid->id);
	-
	- printf("%s session ID: %s\n", $event->getCommandName(), $sessionId);
	-
	- if ($event->getCommandName() === 'aggregate') {
	- if (isset($this->lsidByRequestId[$requestId])) {
	- throw new UnexpectedValueException('Previous command observed for request ID: ' . $requestId);
	- }
	-
	- $this->lsidByRequestId[$requestId] = $sessionId;
	- }
	-
	- if ($event->getCommandName() === 'getMore') {
	- $cursorId = (string) $event->getCommand()->getMore;
	-
	- if ( ! isset($this->lsidByCursorId[$cursorId])) {
	- throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	- }
	-
	- printf("getMore used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	- }
	-
	- if ($event->getCommandName() === 'killCursors') {
	- $cursorId = (string) $event->getCommand()->cursors[0];
	-
	- if ( ! isset($this->lsidByCursorId[$cursorId])) {
	- throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	- }
	-
	- printf("killCursors used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	- }
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- /* Associate the aggregate's session ID with its cursor ID so it can be
	- * looked up by the subsequent getMore or killCursors */
	- if ($event->getCommandName() === 'aggregate') {
	- $cursorId = (string) $event->getReply()->cursor->id;
	- $requestId = $event->getRequestId();
	-
	- $this->lsidByCursorId[$cursorId] = $this->lsidByRequestId[$requestId];
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-(new Test)->executeCommand();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-aggregate session ID: %x
	-getMore session ID: %x
	-getMore used same session as aggregate: yes
	-aggregate session ID: %x
	-getMore session ID: %x
	-getMore used same session as aggregate: yes
	-aggregate session ID: %x
	-aggregate session ID: %x
	-killCursors session ID: %x
	-killCursors used same session as aggregate: yes
	-killCursors session ID: %x
	-killCursors used same session as aggregate: yes
	-Unique session IDs used: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1274-002.phpt b/mongodb-1.12.0/tests/cursor/bug1274-002.phpt
	deleted file mode 100644
	index 98a0d8b1..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1274-002.phpt
	+++ /dev/null
	@@ -1,105 +0,0 @@
	---TEST--
	-PHPC-1274: Child process can still iterate cursor from parent process
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_ssl(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $pid;
	-
	- public function __construct()
	- {
	- $this->pid = getmypid();
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- if ($commandName === 'find' \|\| $commandName === 'getMore') {
	- printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	- return;
	- }
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$bulk->insert(['x' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$subscriber = new CommandLogger;
	-MongoDB\Driver\Monitoring\addSubscriber($subscriber);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- /* This test asserts that mongoc_client_reset() does not prevent child
	- * processes from actively interacting with a parent's cursor. Resetting the
	- * client only prevents a child from inadvertently closing a parent cursor
	- * via its php_phongo_cursor_free_object handler.
	- *
	- * Note: this test excludes SSL environments because we cannot interact with
	- * the socket in a child without affecting the parent (and vice versa) due
	- * to the SSL session. */
	- printf("Child fully iterated cursor for %d documents\n", iterator_count($cursor));
	- echo "Child exits\n";
	- exit;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- echo throws(function() use ($cursor) {
	- printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	- }, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-}
	-
	-/* This test doesn't need to assert that libmongoc may call killCursors when
	- * destroying a cursor that previously encountered a CursorNotFound error.
	- * See: https://jira.mongodb.org/browse/CDRIVER-3474 */
	-MongoDB\Driver\Monitoring\removeSubscriber($subscriber);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Parent executes find with batchSize: 2
	-Child executes getMore with batchSize: 2
	-Child fully iterated cursor for 3 documents
	-Child exits
	-Parent waited for child to exit
	-Parent executes getMore with batchSize: 2
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-%r(Cursor not found, cursor id: \d+\|cursor id \d+ not found\|Cursor not found $.*id: \d+$\.)%r
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1274-005.phpt b/mongodb-1.12.0/tests/cursor/bug1274-005.phpt
	deleted file mode 100644
	index 325a4b73..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1274-005.phpt
	+++ /dev/null
	@@ -1,105 +0,0 @@
	---TEST--
	-PHPC-1274: Child process can still iterate cursor from parent process (disableClientPersistence=true)
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_ssl(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $pid;
	-
	- public function __construct()
	- {
	- $this->pid = getmypid();
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- if ($commandName === 'find' \|\| $commandName === 'getMore') {
	- printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	- return;
	- }
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$bulk->insert(['x' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$subscriber = new CommandLogger;
	-MongoDB\Driver\Monitoring\addSubscriber($subscriber);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- /* This test asserts that mongoc_client_reset() does not prevent child
	- * processes from actively interacting with a parent's cursor. Resetting the
	- * client only prevents a child from inadvertently closing a parent cursor
	- * via its php_phongo_cursor_free_object handler.
	- *
	- * Note: this test excludes SSL environments because we cannot interact with
	- * the socket in a child without affecting the parent (and vice versa) due
	- * to the SSL session. */
	- printf("Child fully iterated cursor for %d documents\n", iterator_count($cursor));
	- echo "Child exits\n";
	- exit;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- echo throws(function() use ($cursor) {
	- printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	- }, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-}
	-
	-/* This test doesn't need to assert that libmongoc may call killCursors when
	- * destroying a cursor that previously encountered a CursorNotFound error.
	- * See: https://jira.mongodb.org/browse/CDRIVER-3474 */
	-MongoDB\Driver\Monitoring\removeSubscriber($subscriber);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Parent executes find with batchSize: 2
	-Child executes getMore with batchSize: 2
	-Child fully iterated cursor for 3 documents
	-Child exits
	-Parent waited for child to exit
	-Parent executes getMore with batchSize: 2
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-%r(Cursor not found, cursor id: \d+\|cursor id \d+ not found\|Cursor not found $.*id: \d+$\.)%r
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1529-001.phpt b/mongodb-1.12.0/tests/cursor/bug1529-001.phpt
	deleted file mode 100644
	index c390a8a8..00000000
	--- a/mongodb-1.12.0/tests/cursor/bug1529-001.phpt
	+++ /dev/null
	@@ -1,105 +0,0 @@
	---TEST--
	-PHPC-1529: Resetting a client should also reset the keyVaultClient
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '4.2'); ?>
	-<?php skip_if_not_libmongocrypt(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $pid;
	-
	- public function __construct()
	- {
	- $this->pid = getmypid();
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- if ($commandName === 'find' \|\| $commandName === 'getMore') {
	- printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	- return;
	- }
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$keyVaultClient = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	-$autoEncryptionOpts = [
	- 'keyVaultClient' => $keyVaultClient,
	- 'keyVaultNamespace' => 'default.keys',
	- 'kmsProviders' => ['local' => ['key' => new MongoDB\BSON\Binary(str_repeat('0', 96), 0)]],
	-];
	-
	-$manager = create_test_manager(URI, [], ['autoEncryption' => $autoEncryptionOpts, 'disableClientPersistence' => true]);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$bulk->insert(['x' => 3]);
	-$keyVaultClient->executeBulkWrite(NS, $bulk);
	-
	-MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $keyVaultClient->executeQuery(NS, $query);
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- /* Executing any operation with the parent's client resets this client as well as
	- * the keyVaultClient. Continuing iteration of the cursor opened on the
	- * keyVaultClient before resetting it should then result in an error due to
	- * the client having been reset. */
	- $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-
	- echo throws(
	- function () use ($cursor) { iterator_count($cursor); },
	- MongoDB\Driver\Exception\RuntimeException::class
	- ), "\n";
	-
	- echo "Child exits\n";
	- exit;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- unset($cursor);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Parent executes find with batchSize: 2
	-Child executes ping
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Cannot advance cursor after client reset
	-Child exits
	-Parent waited for child to exit
	-Parent executes killCursors
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-003.phpt b/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-003.phpt
	deleted file mode 100644
	index 692dbf48..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-003.phpt
	+++ /dev/null
	@@ -1,41 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor iteration beyond last document (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([]));
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-var_dump($iterator->current());
	-$iterator->next();
	-var_dump($iterator->current());
	-
	-// libmongoc throws on superfluous iteration of find command cursor (CDRIVER-1234)
	-echo throws(function() use ($iterator) {
	- $iterator->next();
	-}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(1)
	-}
	-NULL
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Cannot advance a completed or failed cursor.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-004.phpt b/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-004.phpt
	deleted file mode 100644
	index b1fe9248..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-004.phpt
	+++ /dev/null
	@@ -1,42 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor iteration beyond last document (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query(array(), array('batchSize' => 2)));
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-var_dump($iterator->current());
	-$iterator->next();
	-var_dump($iterator->current());
	-
	-// libmongoc throws on superfluous iteration of OP_QUERY cursor (CDRIVER-1234)
	-echo throws(function() use ($iterator) {
	- $iterator->next();
	-}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(1)
	-}
	-NULL
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Cannot advance a completed or failed cursor.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-005.phpt b/mongodb-1.12.0/tests/cursor/cursor-getmore-005.phpt
	deleted file mode 100644
	index cd3fb865..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-getmore-005.phpt
	+++ /dev/null
	@@ -1,54 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor query result iteration with getmore failure
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php
	-/* This test spins up its own mongod instance, so only run this in the most default "standalone, no
	- * auth" configurations. This way, we can test on multiple server versions, but not waste resources
	- * on f.e. Travis. */
	-?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_server_version(">=", "3.6"); ?>
	-<?php skip_if_no_getmore_failpoint(); ?>
	-<?php skip_if_auth(); ?>
	-<?php skip_if_no_mongo_orchestration(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$uri = createTemporaryMongoInstance();
	-$manager = create_test_manager($uri);
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-
	-for ($i = 0; $i < 5; $i++) {
	- $bulkWrite->insert(array('_id' => $i));
	-}
	-
	-$writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	-printf("Inserted: %d\n", $writeResult->getInsertedCount());
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-failGetMore($manager);
	-
	-throws(function() use ($cursor) {
	- foreach ($cursor as $i => $document) {
	- printf("%d => {_id: %d}\n", $i, $document->_id);
	- }
	-}, "MongoDB\Driver\Exception\ConnectionException");
	-?>
	-===DONE===
	-<?php destroyTemporaryMongoInstance(); ?>
	-<?php exit(0); ?>
	---CLEAN--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php destroyTemporaryMongoInstance(); ?>
	---EXPECT--
	-Inserted: 5
	-0 => {_id: 0}
	-1 => {_id: 1}
	-OK: Got MongoDB\Driver\Exception\ConnectionException
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-006.phpt b/mongodb-1.12.0/tests/cursor/cursor-getmore-006.phpt
	deleted file mode 100644
	index d2df21ac..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-getmore-006.phpt
	+++ /dev/null
	@@ -1,62 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor command result iteration with getmore failure
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php
	-/* This test spins up its own mongod instance, so only run this in the most default "standalone, no
	- * auth" configurations. This way, we can test on multiple server versions, but not waste resources
	- * on f.e. Travis. */
	-?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_server_version(">=", "3.6"); ?>
	-<?php skip_if_no_getmore_failpoint(); ?>
	-<?php skip_if_auth(); ?>
	-<?php skip_if_no_mongo_orchestration(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$uri = createTemporaryMongoInstance();
	-$manager = create_test_manager($uri);
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-
	-for ($i = 0; $i < 5; $i++) {
	- $bulkWrite->insert(array('_id' => $i));
	-}
	-
	-$writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	-printf("Inserted: %d\n", $writeResult->getInsertedCount());
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$match' => new stdClass],
	- ],
	- 'cursor' => ['batchSize' => 2],
	-]);
	-
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	-
	-failGetMore($manager);
	-
	-throws(function() use ($cursor) {
	- foreach ($cursor as $i => $document) {
	- printf("%d => {_id: %d}\n", $i, $document->_id);
	- }
	-}, "MongoDB\Driver\Exception\ConnectionException");
	-
	-?>
	-===DONE===
	-<?php destroyTemporaryMongoInstance(); ?>
	-<?php exit(0); ?>
	---CLEAN--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php destroyTemporaryMongoInstance(); ?>
	---EXPECT--
	-Inserted: 5
	-0 => {_id: 0}
	-1 => {_id: 1}
	-OK: Got MongoDB\Driver\Exception\ConnectionException
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-007.phpt b/mongodb-1.12.0/tests/cursor/cursor-getmore-007.phpt
	deleted file mode 100644
	index 6154dc0d..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-getmore-007.phpt
	+++ /dev/null
	@@ -1,54 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor query result iteration with getmore failure
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php
	-/* This test spins up its own mongod instance, so only run this in the most default "standalone, no
	- * auth" configurations. This way, we can test on multiple server versions, but not waste resources
	- * on f.e. Travis. */
	-?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_server_version("<", "3.6"); ?>
	-<?php skip_if_no_getmore_failpoint(); ?>
	-<?php skip_if_auth(); ?>
	-<?php skip_if_no_mongo_orchestration(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$uri = createTemporaryMongoInstance();
	-$manager = create_test_manager($uri);
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-
	-for ($i = 0; $i < 5; $i++) {
	- $bulkWrite->insert(array('_id' => $i));
	-}
	-
	-$writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	-printf("Inserted: %d\n", $writeResult->getInsertedCount());
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-failGetMore($manager);
	-
	-throws(function() use ($cursor) {
	- foreach ($cursor as $i => $document) {
	- printf("%d => {_id: %d}\n", $i, $document->_id);
	- }
	-}, "MongoDB\Driver\Exception\ServerException");
	-?>
	-===DONE===
	-<?php destroyTemporaryMongoInstance(); ?>
	-<?php exit(0); ?>
	---CLEAN--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php destroyTemporaryMongoInstance(); ?>
	---EXPECT--
	-Inserted: 5
	-0 => {_id: 0}
	-1 => {_id: 1}
	-OK: Got MongoDB\Driver\Exception\ServerException
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-008.phpt b/mongodb-1.12.0/tests/cursor/cursor-getmore-008.phpt
	deleted file mode 100644
	index 42fe9186..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-getmore-008.phpt
	+++ /dev/null
	@@ -1,62 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor command result iteration with getmore failure
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php
	-/* This test spins up its own mongod instance, so only run this in the most default "standalone, no
	- * auth" configurations. This way, we can test on multiple server versions, but not waste resources
	- * on f.e. Travis. */
	-?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_server_version("<", "3.6"); ?>
	-<?php skip_if_no_getmore_failpoint(); ?>
	-<?php skip_if_auth(); ?>
	-<?php skip_if_no_mongo_orchestration(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$uri = createTemporaryMongoInstance();
	-$manager = create_test_manager($uri);
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-
	-for ($i = 0; $i < 5; $i++) {
	- $bulkWrite->insert(array('_id' => $i));
	-}
	-
	-$writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	-printf("Inserted: %d\n", $writeResult->getInsertedCount());
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$match' => new stdClass],
	- ],
	- 'cursor' => ['batchSize' => 2],
	-]);
	-
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	-
	-failGetMore($manager);
	-
	-throws(function() use ($cursor) {
	- foreach ($cursor as $i => $document) {
	- printf("%d => {_id: %d}\n", $i, $document->_id);
	- }
	-}, "MongoDB\Driver\Exception\ServerException");
	-
	-?>
	-===DONE===
	-<?php destroyTemporaryMongoInstance(); ?>
	-<?php exit(0); ?>
	---CLEAN--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php destroyTemporaryMongoInstance(); ?>
	---EXPECT--
	-Inserted: 5
	-0 => {_id: 0}
	-1 => {_id: 1}
	-OK: Got MongoDB\Driver\Exception\ServerException
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-isDead-001.phpt b/mongodb-1.12.0/tests/cursor/cursor-isDead-001.phpt
	deleted file mode 100644
	index bca82a10..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-isDead-001.phpt
	+++ /dev/null
	@@ -1,35 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor::isDead() with basic iteration (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	-
	-foreach ($cursor as $_) {
	- var_dump($cursor->isDead());
	-}
	-
	-var_dump($cursor->isDead());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-bool(false)
	-bool(false)
	-bool(false)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-isDead-002.phpt b/mongodb-1.12.0/tests/cursor/cursor-isDead-002.phpt
	deleted file mode 100644
	index ba31e9af..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-isDead-002.phpt
	+++ /dev/null
	@@ -1,39 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor::isDead() with IteratorIterator (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-
	-for ($i = 0; $i < 3; $i++) {
	- var_dump($cursor->isDead());
	- $iterator->next();
	-}
	-
	-var_dump($cursor->isDead());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-bool(false)
	-bool(false)
	-bool(false)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-isDead-003.phpt b/mongodb-1.12.0/tests/cursor/cursor-isDead-003.phpt
	deleted file mode 100644
	index 3fc8f0bd..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-isDead-003.phpt
	+++ /dev/null
	@@ -1,36 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor::isDead() with basic iteration (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	-
	-foreach ($cursor as $_) {
	- var_dump($cursor->isDead());
	-}
	-
	-var_dump($cursor->isDead());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-bool(false)
	-bool(false)
	-bool(false)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-isDead-004.phpt b/mongodb-1.12.0/tests/cursor/cursor-isDead-004.phpt
	deleted file mode 100644
	index f9375f4f..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-isDead-004.phpt
	+++ /dev/null
	@@ -1,40 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor::isDead() with IteratorIterator (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-
	-for ($i = 0; $i < 3; $i++) {
	- var_dump($cursor->isDead());
	- $iterator->next();
	-}
	-
	-var_dump($cursor->isDead());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-bool(false)
	-bool(false)
	-bool(false)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-session-001.phpt b/mongodb-1.12.0/tests/cursor/cursor-session-001.phpt
	deleted file mode 100644
	index 8776d99c..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-session-001.phpt
	+++ /dev/null
	@@ -1,63 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor debug output for query cursor includes explicit session
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$session = $manager->startSession();
	-
	-$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-$iterator->next();
	-
	-printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-$iterator->next();
	-
	-/* Per PHPC-1161, the Cursor will free a reference to the Session as soon as it
	- * is exhausted. While this is primarily done to ensure implicit sessions for
	- * command cursors are returned to the pool ASAP, it also applies to explicit
	- * sessions. */
	-printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Cursor ID is zero: no
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- object(MongoDB\Driver\Session)#%d (%d) {
	- %a
	- }
	- %a
	-}
	-
	-Cursor ID is zero: yes
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- NULL
	- %a
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-session-002.phpt b/mongodb-1.12.0/tests/cursor/cursor-session-002.phpt
	deleted file mode 100644
	index 672b9234..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-session-002.phpt
	+++ /dev/null
	@@ -1,59 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor debug output for query cursor omits implicit session
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-$iterator->next();
	-
	-/* Implicit sessions for query cursors are never exposed to PHPC, as they are
	- * handled internally by libmongoc. Cursor debug ouput should never report such
	- * sessions. */
	-printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-$iterator->next();
	-
	-printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Cursor ID is zero: no
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- NULL
	- %a
	-}
	-
	-Cursor ID is zero: yes
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- NULL
	- %a
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-session-003.phpt b/mongodb-1.12.0/tests/cursor/cursor-session-003.phpt
	deleted file mode 100644
	index 7ae8e9cd..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-session-003.phpt
	+++ /dev/null
	@@ -1,67 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor debug output for command cursor includes explicit session
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [['$match' => new stdClass]],
	- 'cursor' => ['batchSize' => 2],
	-]);
	-$session = $manager->startSession();
	-
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-$iterator->next();
	-
	-printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-$iterator->next();
	-
	-/* Per PHPC-1161, the Cursor will free a reference to the Session as soon as it
	- * is exhausted. While this is primarily done to ensure implicit sessions for
	- * command cursors are returned to the pool ASAP, it also applies to explicit
	- * sessions. */
	-printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Cursor ID is zero: no
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- object(MongoDB\Driver\Session)#%d (%d) {
	- %a
	- }
	- %a
	-}
	-
	-Cursor ID is zero: yes
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- NULL
	- %a
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-session-004.phpt b/mongodb-1.12.0/tests/cursor/cursor-session-004.phpt
	deleted file mode 100644
	index 82afadf4..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-session-004.phpt
	+++ /dev/null
	@@ -1,66 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor debug output for command cursor includes implicit session
	---SKIPIF--
	-<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [['$match' => new stdClass]],
	- 'cursor' => ['batchSize' => 2],
	-]);
	-
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	-
	-$iterator = new IteratorIterator($cursor);
	-$iterator->rewind();
	-$iterator->next();
	-
	-printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-$iterator->next();
	-
	-/* Unlike implicit sessions for query cursors, which are handled internally by
	- * libmongoc, PHPC-1152 emulates its own implicit sessions for command cursors
	- * in order to ensure that command cursors always share the same session as the
	- * originating command. */
	-printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	-var_dump($cursor);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Cursor ID is zero: no
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- object(MongoDB\Driver\Session)#%d (%d) {
	- %a
	- }
	- %a
	-}
	-
	-Cursor ID is zero: yes
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- %a
	- ["session"]=>
	- NULL
	- %a
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-tailable-003.phpt b/mongodb-1.12.0/tests/cursor/cursor-tailable-003.phpt
	deleted file mode 100644
	index 404f525b..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-tailable-003.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor tailable iteration with awaitData and maxAwaitTimeMS options
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	- 'create' => COLLECTION_NAME,
	- 'capped' => true,
	- 'size' => 1048576,
	-]));
	-
	-$bulkWrite = new MongoDB\Driver\BulkWrite;
	-$bulkWrite->insert(['_id' => 1]);
	-$manager->executeBulkWrite(NS, $bulkWrite);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], [
	- 'tailable' => true,
	- 'awaitData' => true,
	- 'maxAwaitTimeMS' => 10,
	-]));
	-$it = new IteratorIterator($cursor);
	-
	-$it->rewind();
	-printf("{_id: %d}\n", $it->current()->_id);
	-$it->next();
	-
	-$startTime = microtime(true);
	-echo "Awaiting results...\n";
	-$it->next();
	-printf("Waited for %.6f seconds\n", microtime(true) - $startTime);
	-// Sometimes the cursor will wait for 0.0099 seconds and sometimes it will wait for 0.01.
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-{_id: 1}
	-Awaiting results...
	-Waited for 0.0%d seconds
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-tailable_error-002.phpt b/mongodb-1.12.0/tests/cursor/cursor-tailable_error-002.phpt
	deleted file mode 100644
	index 45c98a22..00000000
	--- a/mongodb-1.12.0/tests/cursor/cursor-tailable_error-002.phpt
	+++ /dev/null
	@@ -1,90 +0,0 @@
	---TEST--
	-MongoDB\Driver\Cursor cursor killed during tailable iteration
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-function insert(MongoDB\Driver\Manager $manager, $from, $to = null)
	-{
	- if ($to === null) {
	- $to = $from;
	- }
	-
	- $bulkWrite = new MongoDB\Driver\BulkWrite;
	-
	- for ($i = $from; $i <= $to; $i++) {
	- $bulkWrite->insert(['_id' => $i]);
	- }
	-
	- $writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	-
	- printf("Inserted %d document(s): %s\n", $writeResult->getInsertedCount(), implode(', ', range($from, $to)));
	-}
	-
	-$manager = create_test_manager();
	-
	-$manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	- 'create' => COLLECTION_NAME,
	- 'capped' => true,
	- 'size' => 1048576,
	-]));
	-
	-insert($manager, 1, 3);
	-
	-echo throws(function() use ($manager) {
	- $cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['tailable' => true]));
	- $it = new IteratorIterator($cursor);
	-
	- $numAwaitAttempts = 0;
	- $maxAwaitAttempts = 7;
	-
	- for ($it->rewind(); $numAwaitAttempts < $maxAwaitAttempts; $it->next()) {
	- $document = $it->current();
	-
	- if ($document !== null) {
	- printf("{_id: %d}\n", $document->_id);
	- continue;
	- }
	-
	- if ($numAwaitAttempts === 2) {
	- insert($manager, 4, 6);
	- }
	-
	- if ($numAwaitAttempts === 5) {
	- $cursor->getServer()->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	- 'killCursors' => COLLECTION_NAME,
	- 'cursors' => [ $cursor->getId() ],
	- ]));
	- }
	-
	- echo "Awaiting results...\n";
	- $numAwaitAttempts += 1;
	- }
	-}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Inserted 3 document(s): 1, 2, 3
	-{_id: 1}
	-{_id: 2}
	-{_id: 3}
	-Awaiting results...
	-Awaiting results...
	-Inserted 3 document(s): 4, 5, 6
	-Awaiting results...
	-{_id: 4}
	-{_id: 5}
	-{_id: 6}
	-Awaiting results...
	-Awaiting results...
	-Awaiting results...
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-%r(Cursor not found, cursor id: \d+\|cursor id \d+ not found\|Cursor not found $.*id: \d+$\.)%r
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-002.phpt b/mongodb-1.12.0/tests/cursorid/cursorid-002.phpt
	deleted file mode 100644
	index 1ca48ad3..00000000
	--- a/mongodb-1.12.0/tests/cursorid/cursorid-002.phpt
	+++ /dev/null
	@@ -1,44 +0,0 @@
	---TEST--
	-MongoDB\Driver\CursorId BSON serialization for killCursors command
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	---FILE--
	-<?php
	-
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-// Select a specific server for future operations to avoid mongos switching in sharded clusters
	-$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-$server->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $server->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	-$cursorId = $cursor->getId();
	-
	-$command = new MongoDB\Driver\Command([
	- 'killCursors' => COLLECTION_NAME,
	- 'cursors' => [ $cursorId ],
	-]);
	-
	-/* Since the killCursors command result includes cursor IDs as 64-bit integers,
	- * unserializing the result document requires a 64-bit platform. */
	-$result = $server->executeCommand(DATABASE_NAME, $command)->toArray()[0];
	-printf("Killed %d cursor(s)\n", count($result->cursorsKilled));
	-printf("Killed expected cursor: %s\n", (string) $cursorId === (string) $result->cursorsKilled[0] ? 'yes' : 'no');
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Killed 1 cursor(s)
	-Killed expected cursor: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/bug0572.phpt b/mongodb-1.12.0/tests/manager/bug0572.phpt
	deleted file mode 100644
	index f22776a3..00000000
	--- a/mongodb-1.12.0/tests/manager/bug0572.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-PHPC-572: Ensure stream context does not go out of scope before socket init
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$closure = function() {
	- $context = stream_context_create([
	- 'ssl' => [
	- 'verify_peer' => false,
	- 'verify_peer_name' => false,
	- 'allow_self_signed' => true,
	- ],
	- ]);
	- return create_test_manager(URI, [], ['context' => $context]);
	-};
	-
	-$manager = $closure();
	-$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	-printf("ping: %d\n", $cursor->toArray()[0]->ok);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-ping: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/bug1163-001.phpt b/mongodb-1.12.0/tests/manager/bug1163-001.phpt
	deleted file mode 100644
	index 04b007f5..00000000
	--- a/mongodb-1.12.0/tests/manager/bug1163-001.phpt
	+++ /dev/null
	@@ -1,83 +0,0 @@
	---TEST--
	-PHPC-1163: Unacknowledged write concern should omit implicit session
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.4'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function run()
	- {
	- $manager = create_test_manager(URI, ['w' => 0]);
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['x' => 1]);
	-
	- echo "Testing executeBulkWrite\n";
	- $manager->executeBulkWrite(NS, $bulk);
	-
	- $command = new MongoDB\Driver\Command([
	- 'insert' => COLLECTION_NAME,
	- 'documents' => [['x' => 1]],
	- ]);
	-
	- /* Note: executeCommand() and executeReadCommand() are not tested
	- * because they do not inherit the client-level write concern. */
	-
	- echo "\nTesting executeWriteCommand\n";
	- $manager->executeWriteCommand(DATABASE_NAME, $command);
	-
	- /* We can safely re-use the insert command with executeReadWriteCommand
	- * because there is no readConcern to inherit. */
	- echo "\nTesting executeReadWriteCommand\n";
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command);
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- if ($event->getCommandName() === 'insert') {
	- $command = $event->getCommand();
	- $hasSession = isset($command->lsid);
	- $writeConcern = isset($command->writeConcern) ? $command->writeConcern: null;
	-
	- printf("insert command write concern: %s\n", json_encode($writeConcern));
	- printf("insert command has session: %s\n", $hasSession ? 'yes' : 'no');
	- }
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-(new Test)->run();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing executeBulkWrite
	-insert command write concern: {"w":0}
	-insert command has session: no
	-
	-Testing executeWriteCommand
	-insert command write concern: {"w":0}
	-insert command has session: no
	-
	-Testing executeReadWriteCommand
	-insert command write concern: {"w":0}
	-insert command has session: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-error-001.phpt b/mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-error-001.phpt
	deleted file mode 100644
	index a98783e7..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-error-001.phpt
	+++ /dev/null
	@@ -1,61 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::__construct(): authentication options are validated
	---FILE--
	-<?php
	-
	-require_once __DIR__ . '/../utils/basic.inc';
	-
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/?authMechanism=GSSAPI&authSource=admin');
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/', ['authMechanism' => 'GSSAPI', 'authSource' => 'admin']);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/?authMechanism=MONGODB-X509&authSource=admin');
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/', ['authMechanism' => 'MONGODB-X509', 'authSource' => 'admin']);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-echo throws(function() {
	- create_test_manager('mongodb://@localhost:27017/?authMechanism=SCRAM-SHA-1');
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/', ['username' => '', 'authMechanism' => 'SCRAM-SHA-1']);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/', ['password' => 'password', 'authMechanism' => 'MONGODB-X509']);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-// TODO: This test case should be removed by PHPC-1950
	-echo throws(function() {
	- create_test_manager('mongodb://localhost:27017/', ['authSource' => 'foo']);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?authMechanism=GSSAPI&authSource=admin'. GSSAPI and X509 require "$external" authSource.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: GSSAPI and X509 require "$external" authSource.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?authMechanism=MONGODB-X509&authSource=admin'. GSSAPI and X509 require "$external" authSource.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: GSSAPI and X509 require "$external" authSource.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://@localhost:27017/?authMechanism=SCRAM-SHA-1'. 'SCRAM-SHA-1' authentication mechanism requires username.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: 'SCRAM-SHA-1' authentication mechanism requires username.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: X509 authentication mechanism does not accept a password.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: Default authentication mechanism requires username.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-error-001.phpt b/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-error-001.phpt
	deleted file mode 100644
	index 9d185938..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-error-001.phpt
	+++ /dev/null
	@@ -1,25 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::__construct(): directConnection=true conflicts with multiple seeds
	---FILE--
	-<?php
	-
	-require_once __DIR__ . '/../utils/basic.inc';
	-
	-echo throws(function() {
	- $manager = create_test_manager('mongodb://a.example.com,b.example.com/?directConnection=true');
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n\n";
	-
	-echo throws(function() {
	- $manager = create_test_manager('mongodb://a.example.com,b.example.com', ['directConnection' => true]);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://a.example.com,b.example.com/?directConnection=true'. Multiple seeds not allowed with directConnection option.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: Multiple seeds not allowed with directConnection option.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-error-002.phpt b/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-error-002.phpt
	deleted file mode 100644
	index bd5600df..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-error-002.phpt
	+++ /dev/null
	@@ -1,25 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::__construct(): directConnection=true conflicts with SRV
	---FILE--
	-<?php
	-
	-require_once __DIR__ . '/../utils/basic.inc';
	-
	-echo throws(function() {
	- $manager = create_test_manager('mongodb+srv://a.example.com/?directConnection=true');
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n\n";
	-
	-echo throws(function() {
	- $manager = create_test_manager('mongodb+srv://a.example.com', ['directConnection' => true]);
	-}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb+srv://a.example.com/?directConnection=true'. SRV URI not allowed with directConnection option.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: SRV URI not allowed with directConnection option.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-003.phpt b/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-003.phpt
	deleted file mode 100644
	index e9c9eef7..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-003.phpt
	+++ /dev/null
	@@ -1,40 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager with disableClientPersistence=true referenced by Session
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-ini_set('mongodb.debug', 'stderr');
	-$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	-ini_set('mongodb.debug', '');
	-
	-echo "Creating session\n";
	-$session = $manager->startSession();
	-
	-echo "Unsetting manager\n";
	-ini_set('mongodb.debug', 'stderr');
	-unset($manager);
	-ini_set('mongodb.debug', '');
	-
	-echo "Unsetting session\n";
	-ini_set('mongodb.debug', 'stderr');
	-unset($session);
	-ini_set('mongodb.debug', '');
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-%A
	-[%s] PHONGO: DEBUG > Created client with hash: %s
	-[%s] PHONGO: DEBUG > Stored non-persistent client
	-Creating session
	-Unsetting manager
	-Unsetting session%A
	-[%s] PHONGO: DEBUG > Destroying non-persistent client for Manager%A
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-tls-error-001.phpt b/mongodb-1.12.0/tests/manager/manager-ctor-tls-error-001.phpt
	deleted file mode 100644
	index 2a752f90..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-ctor-tls-error-001.phpt
	+++ /dev/null
	@@ -1,152 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::__construct(): Test invalid URI option combinations
	---FILE--
	-<?php
	-
	-require_once __DIR__ . '/../utils/basic.inc';
	-
	-$invalidCombinations = [
	- ['tlsInsecure', 'tlsAllowInvalidHostnames'],
	- ['tlsInsecure', 'tlsAllowInvalidCertificates'],
	- ['tlsInsecure', 'tlsDisableOCSPEndpointCheck'],
	- ['tlsInsecure', 'tlsDisableCertificateRevocationCheck'],
	- ['tlsAllowInvalidCertificates', 'tlsDisableOCSPEndpointCheck'],
	- ['tlsAllowInvalidCertificates', 'tlsDisableCertificateRevocationCheck'],
	-];
	-
	-foreach ($invalidCombinations as list($optionA, $optionB)) {
	- foreach ([false, true] as $valueA) {
	- foreach ([false, true] as $valueB) {
	- echo throws(function() use ($optionA, $valueA, $optionB, $valueB) {
	- create_test_manager(sprintf(
	- 'mongodb://localhost:27017/?%s=%s&%s=%s',
	- $optionA,
	- $valueA ? 'true' : 'false',
	- $optionB,
	- $valueB ? 'true' : 'false'
	- ));
	- }, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	-
	- echo throws(function() use ($optionA, $valueA, $optionB, $valueB) {
	- create_test_manager(
	- sprintf(
	- 'mongodb://localhost:27017/?%s=%s',
	- $optionA,
	- $valueA ? 'true' : 'false'
	- ),
	- [ $optionB => $valueB ]
	- );
	- }, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	- }
	- }
	-
	- echo "\n";
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidHostnames=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidHostnames=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidHostnames=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidHostnames=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidCertificates=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidCertificates=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidCertificates=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidCertificates=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableOCSPEndpointCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableOCSPEndpointCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableOCSPEndpointCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableOCSPEndpointCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableCertificateRevocationCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableCertificateRevocationCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableCertificateRevocationCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableCertificateRevocationCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsinsecure may not be combined with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableOCSPEndpointCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableOCSPEndpointCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableOCSPEndpointCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableOCSPEndpointCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableCertificateRevocationCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableCertificateRevocationCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableCertificateRevocationCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableCertificateRevocationCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Failed to parse URI options: tlsallowinvalidcertificates may not be combined with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	-
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-011.phpt b/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-011.phpt
	deleted file mode 100644
	index 21858edd..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-011.phpt
	+++ /dev/null
	@@ -1,85 +0,0 @@
	---TEST--
	-MongoDB\Driver\BulkWrite: bypassDocumentValidation option
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$command = new MongoDB\Driver\Command([
	- 'create' => COLLECTION_NAME,
	- 'validator' => ['x' => ['$type' => 'number']],
	-]);
	-$manager->executeCommand(DATABASE_NAME, $command);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1, 'x' => 1]);
	-$bulk->insert(['_id' => 2, 'x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$bulk = new MongoDB\Driver\BulkWrite(['bypassDocumentValidation' => true]);
	-$bulk->update(['_id' => 2], ['$set' => ['x' => 'two']]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$bulk = new MongoDB\Driver\BulkWrite(['bypassDocumentValidation' => true]);
	-$bulk->insert(['_id' => 3, 'x' => 'three']);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 4, 'x' => 'four']);
	-
	-echo throws(function() use($manager, $bulk) {
	- $manager->executeBulkWrite(NS, $bulk);
	-}, "MongoDB\Driver\Exception\BulkWriteException"), "\n";
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->update(['_id' => 1], ['$set' => ['x' => 'one']]);
	-
	-echo throws(function() use($manager, $bulk) {
	- $manager->executeBulkWrite(NS, $bulk);
	-}, "MongoDB\Driver\Exception\BulkWriteException"), "\n";
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->update(['_id' => 2], ['$set' => ['x' => 2]]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([]));
	-var_dump(iterator_to_array($cursor));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Document failed validation
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Document failed validation
	-array(3) {
	- [0]=>
	- object(stdClass)#%d (2) {
	- ["_id"]=>
	- int(1)
	- ["x"]=>
	- int(1)
	- }
	- [1]=>
	- object(stdClass)#%d (2) {
	- ["_id"]=>
	- int(2)
	- ["x"]=>
	- int(2)
	- }
	- [2]=>
	- object(stdClass)#%d (2) {
	- ["_id"]=>
	- int(3)
	- ["x"]=>
	- string(5) "three"
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-010.phpt b/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-010.phpt
	deleted file mode 100644
	index 4b655006..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-010.phpt
	+++ /dev/null
	@@ -1,43 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeBulkWrite() cannot combine session with unacknowledged write concern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-echo throws(function() {
	- $manager = create_test_manager();
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['x' => 1]);
	-
	- $manager->executeBulkWrite(NS, $bulk, [
	- 'session' => $manager->startSession(),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-echo throws(function() {
	- $manager = create_test_manager(URI, ['w' => 0]);
	-
	- $bulk = new MongoDB\Driver\BulkWrite;
	- $bulk->insert(['x' => 1]);
	-
	- $manager->executeBulkWrite(NS, $bulk, [
	- 'session' => $manager->startSession(),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-004.phpt b/mongodb-1.12.0/tests/manager/manager-executeCommand-004.phpt
	deleted file mode 100644
	index c3903829..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeCommand-004.phpt
	+++ /dev/null
	@@ -1,51 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeCommand() options (MONGOC_CMD_RAW)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-
	-(new CommandObserver)->observe(
	- function() use ($manager) {
	- $command = new MongoDB\Driver\Command([
	- 'ping' => true,
	- ]);
	-
	- try {
	- $manager->executeCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- } catch ( Exception $e ) {
	- // Ignore exception that ping doesn't support writeConcern
	- }
	- },
	- function(stdClass $command) {
	- echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Read Preference: secondary
	-Read Concern: local
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-007.phpt b/mongodb-1.12.0/tests/manager/manager-executeCommand-007.phpt
	deleted file mode 100644
	index 3ec8d754..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeCommand-007.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeCommand() does not inherit read or write concern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$group' => ['_id' => 1]],
	- ['$out' => COLLECTION_NAME . '.out'],
	- ],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager, $command) {
	- $manager->executeCommand(DATABASE_NAME, $command);
	- $manager->executeCommand(DATABASE_NAME, $command, [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	- ]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern ?? null), "\n";
	- echo json_encode($command->writeConcern ?? null), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-null
	-null
	-{"level":"available"}
	-{"w":1}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand_error-005.phpt b/mongodb-1.12.0/tests/manager/manager-executeCommand_error-005.phpt
	deleted file mode 100644
	index fb4211ee..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeCommand_error-005.phpt
	+++ /dev/null
	@@ -1,28 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeCommand() cannot combine session with unacknowledged write concern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-echo throws(function() {
	- $manager = create_test_manager();
	- $command = new MongoDB\Driver\Command([
	- 'insert' => COLLECTION_NAME,
	- 'documents' => [['x' => 1]],
	- ]);
	- $manager->executeCommand(DATABASE_NAME, $command, [
	- 'session' => $manager->startSession(),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-001.phpt b/mongodb-1.12.0/tests/manager/manager-executeQuery-001.phpt
	deleted file mode 100644
	index 0f7ecfd3..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeQuery-001.phpt
	+++ /dev/null
	@@ -1,92 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeQuery() one document (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-// load fixtures for test
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(array('_id' => 1, 'x' => 2, 'y' => 3));
	-$bulk->insert(array('_id' => 2, 'x' => 3, 'y' => 4));
	-$bulk->insert(array('_id' => 3, 'x' => 4, 'y' => 5));
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$query = new MongoDB\Driver\Query(array('x' => 3), array('projection' => array('y' => 1)));
	-$qr = $manager->executeQuery(NS, $query);
	-
	-var_dump($qr instanceof MongoDB\Driver\Cursor);
	-var_dump($qr);
	-
	-$server = $qr->getServer();
	-
	-var_dump($server instanceof MongoDB\Driver\Server);
	-var_dump($server->getHost());
	-var_dump($server->getPort());
	-
	-var_dump(iterator_to_array($qr));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-bool(true)
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(32) "manager_manager_executeQuery_001"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["x"]=>
	- int(3)
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- ["projection"]=>
	- object(stdClass)#%d (%d) {
	- ["y"]=>
	- int(1)
	- }
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- NULL
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(false)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-bool(true)
	-string(%d) "%s"
	-int(%d)
	-array(1) {
	- [0]=>
	- object(stdClass)#%d (2) {
	- ["_id"]=>
	- int(2)
	- ["y"]=>
	- int(4)
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-002.phpt b/mongodb-1.12.0/tests/manager/manager-executeQuery-002.phpt
	deleted file mode 100644
	index 9cd90781..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeQuery-002.phpt
	+++ /dev/null
	@@ -1,91 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeQuery() one document (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-// load fixtures for test
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(array('_id' => 1, 'x' => 2, 'y' => 3));
	-$bulk->insert(array('_id' => 2, 'x' => 3, 'y' => 4));
	-$bulk->insert(array('_id' => 3, 'x' => 4, 'y' => 5));
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$query = new MongoDB\Driver\Query(array('x' => 3), array('projection' => array('y' => 1)));
	-$qr = $manager->executeQuery(NS, $query);
	-
	-var_dump($qr instanceof MongoDB\Driver\Cursor);
	-var_dump($qr);
	-
	-$server = $qr->getServer();
	-
	-var_dump($server instanceof MongoDB\Driver\Server);
	-var_dump($server->getHost());
	-var_dump($server->getPort());
	-
	-var_dump(iterator_to_array($qr));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-bool(true)
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(32) "manager_manager_executeQuery_002"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["x"]=>
	- int(3)
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- ["projection"]=>
	- object(stdClass)#%d (%d) {
	- ["y"]=>
	- int(1)
	- }
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- NULL
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(false)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-bool(true)
	-string(%d) "%s"
	-int(%d)
	-array(1) {
	- [0]=>
	- object(stdClass)#%d (2) {
	- ["_id"]=>
	- int(2)
	- ["y"]=>
	- int(4)
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-007.phpt b/mongodb-1.12.0/tests/manager/manager-executeQuery-007.phpt
	deleted file mode 100644
	index cc5f51a4..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeQuery-007.phpt
	+++ /dev/null
	@@ -1,33 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeQuery() read concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager) {
	- $manager->executeQuery(NS, new MongoDB\Driver\Query([]));
	- $manager->executeQuery(NS, new MongoDB\Driver\Query([], [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- ]));
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"level":"local"}
	-{"level":"available"}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery_error-003.phpt b/mongodb-1.12.0/tests/manager/manager-executeQuery_error-003.phpt
	deleted file mode 100644
	index 130c7239..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeQuery_error-003.phpt
	+++ /dev/null
	@@ -1,30 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeQuery() exposes error document via CommandException
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$query = new MongoDB\Driver\Query(['field' => ['$unsupportedOperator' => true]]);
	-
	-try {
	- $manager->executeQuery(NS, $query);
	-} catch (\MongoDB\Driver\Exception\CommandException $e) {
	- printf("%s(%d): %s\n", get_class($e), $e->getCode(), $e->getMessage());
	- $doc = $e->getResultDocument();
	- var_dump($doc->errmsg === $e->getMessage());
	- var_dump($doc->code === $e->getCode());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-MongoDB\Driver\Exception\CommandException(2): unknown operator: $unsupportedOperator
	-bool(true)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadCommand-001.phpt b/mongodb-1.12.0/tests/manager/manager-executeReadCommand-001.phpt
	deleted file mode 100644
	index 16ece346..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeReadCommand-001.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeReadCommand()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-
	-(new CommandObserver)->observe(
	- function() use ($manager) {
	- $command = new MongoDB\Driver\Command( [
	- 'aggregate' => NS,
	- 'pipeline' => [],
	- 'cursor' => new stdClass(),
	- ] );
	- $manager->executeReadCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::MAJORITY),
	- ]
	- );
	- },
	- function(stdClass $command) {
	- echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- }
	-);
	-
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Read Preference: secondary
	-Read Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadCommand-003.phpt b/mongodb-1.12.0/tests/manager/manager-executeReadCommand-003.phpt
	deleted file mode 100644
	index 084ba1f6..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeReadCommand-003.phpt
	+++ /dev/null
	@@ -1,39 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeReadCommand() read concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [['$group' => ['_id' => 1]]],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager, $command) {
	- $manager->executeReadCommand(DATABASE_NAME, $command);
	- $manager->executeReadCommand(DATABASE_NAME, $command, [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- ]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"level":"local"}
	-{"level":"available"}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-001.phpt b/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-001.phpt
	deleted file mode 100644
	index 9c0b1b2a..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-001.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeReadWriteCommand()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.4'); /* aggregate write concern */ ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$group' => ['_id' => 1]],
	- ['$out' => COLLECTION_NAME . '.out'],
	- ],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager, $command) {
	- $manager->executeReadWriteCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- },
	- function(stdClass $command) {
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Read Concern: local
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-003.phpt b/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-003.phpt
	deleted file mode 100644
	index 17cfb5ce..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-003.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeReadWriteCommand() read and write concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$group' => ['_id' => 1]],
	- ['$out' => COLLECTION_NAME . '.out'],
	- ],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager, $command) {
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command);
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command, [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	- ]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern), "\n";
	- echo json_encode($command->writeConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"level":"local"}
	-{"w":2,"wtimeout":1000}
	-{"level":"available"}
	-{"w":1}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand_error-002.phpt b/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand_error-002.phpt
	deleted file mode 100644
	index d20caa85..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand_error-002.phpt
	+++ /dev/null
	@@ -1,49 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeReadWriteCommand() cannot combine session with unacknowledged write concern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-/* insert should not normally be used with executeReadWriteCommand(), but we are
	- * only testing executeReadWriteCommand()'s option validation. */
	-echo throws(function() {
	- $manager = create_test_manager();
	-
	- $command = new MongoDB\Driver\Command([
	- 'insert' => COLLECTION_NAME,
	- 'documents' => [['x' => 1]],
	- ]);
	-
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command, [
	- 'session' => $manager->startSession(),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-echo throws(function() {
	- $manager = create_test_manager(URI, ['w' => 0]);
	-
	- $command = new MongoDB\Driver\Command([
	- 'insert' => COLLECTION_NAME,
	- 'documents' => [['x' => 1]],
	- ]);
	-
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command, [
	- 'session' => $manager->startSession(),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-001.phpt b/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-001.phpt
	deleted file mode 100644
	index af3f00bc..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-001.phpt
	+++ /dev/null
	@@ -1,42 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeWriteCommand()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-
	-$bw = new MongoDB\Driver\BulkWrite();
	-$bw->insert(['a' => 1]);
	-$manager->executeBulkWrite(NS, $bw);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager) {
	- $command = new MongoDB\Driver\Command([
	- 'drop' => COLLECTION_NAME,
	- ]);
	- $manager->executeWriteCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- },
	- function(stdClass $command) {
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-003.phpt b/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-003.phpt
	deleted file mode 100644
	index 19b483c6..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-003.phpt
	+++ /dev/null
	@@ -1,40 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeWriteCommand() write concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	-<?php skip_if_server_version('<', '3.2'); /* findAndModify writeConcern */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['w' => 2, 'wtimeoutms' => 1000]);
	-
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['x' => 1],
	- 'upsert' => true,
	- 'new' => true,
	- 'update' => ['$inc' => ['x' => 1]],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($manager, $command) {
	- $manager->executeWriteCommand(DATABASE_NAME, $command);
	- $manager->executeWriteCommand(DATABASE_NAME, $command, ['writeConcern' => new MongoDB\Driver\WriteConcern(1)]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->writeConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"w":2,"wtimeout":1000}
	-{"w":1}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-002.phpt b/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-002.phpt
	deleted file mode 100644
	index 7dff00ab..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-002.phpt
	+++ /dev/null
	@@ -1,33 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeWriteCommand() throws CommandException for invalid writeConcern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['_id' => 'foo'],
	- 'update' => ['foo' => ['bar']],
	- 'upsert' => true,
	- 'new' => true,
	-]);
	-
	-try {
	- $manager->executeWriteCommand(DATABASE_NAME, $command, ['writeConcern' => new MongoDB\Driver\WriteConcern("undefined")]);
	-} catch (MongoDB\Driver\Exception\CommandException $e) {
	- printf("%s(%d): %s\n", get_class($e), $e->getCode(), $e->getMessage());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-MongoDB\Driver\Exception\CommandException(79): Write Concern error: No write concern mode named 'undefined' found in replica set configuration
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-003.phpt b/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-003.phpt
	deleted file mode 100644
	index a215a8a9..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-003.phpt
	+++ /dev/null
	@@ -1,31 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeWriteCommand() throws CommandException for unsupported update operator
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.4'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['_id' => 'foo'],
	- 'upsert' => true,
	- 'new' => true,
	-]);
	-
	-try {
	- $manager->executeWriteCommand(DATABASE_NAME, $command);
	-} catch (MongoDB\Driver\Exception\CommandException $e) {
	- printf("%s(%d): %s\n", get_class($e), $e->getCode(), $e->getMessage());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-MongoDB\Driver\Exception\CommandException(9): Either an update or remove=true must be specified
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-004.phpt b/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-004.phpt
	deleted file mode 100644
	index a4449784..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-004.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::executeWriteCommand() cannot combine session with unacknowledged write concern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-echo throws(function() {
	- $manager = create_test_manager();
	-
	- $command = new MongoDB\Driver\Command([
	- 'insert' => COLLECTION_NAME,
	- 'documents' => [['x' => 1]],
	- ]);
	-
	- $manager->executeWriteCommand(DATABASE_NAME, $command, [
	- 'session' => $manager->startSession(),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-echo throws(function() {
	- $manager = create_test_manager(URI, ['w' => 0]);
	-
	- $command = new MongoDB\Driver\Command([
	- 'insert' => COLLECTION_NAME,
	- 'documents' => [['x' => 1]],
	- ]);
	-
	- $manager->executeWriteCommand(DATABASE_NAME, $command, [
	- 'session' => $manager->startSession(),
	- ]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot combine "session" option with an unacknowledged write concern
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-getservers-002.phpt b/mongodb-1.12.0/tests/manager/manager-getservers-002.phpt
	deleted file mode 100644
	index 8be5f5a7..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-getservers-002.phpt
	+++ /dev/null
	@@ -1,57 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::getServers() (replica set)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_nodes(3); ?>
	-<?php skip_if_no_arbiter(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-function assertServerType($type) {
	- $rsTypes = array(
	- MongoDB\Driver\Server::TYPE_RS_PRIMARY,
	- MongoDB\Driver\Server::TYPE_RS_SECONDARY,
	- MongoDB\Driver\Server::TYPE_RS_ARBITER,
	- );
	-
	- if (in_array($type, $rsTypes, true)) {
	- printf("Found replica set server type: %d\n", $type);
	- } else {
	- printf("Unexpected server type: %d\n", $type);
	- }
	-}
	-
	-$manager = create_test_manager();
	-
	-$servers = $manager->getServers();
	-printf("Known servers: %d\n", count($servers));
	-
	-echo "Pinging\n";
	-$command = new MongoDB\Driver\Command(array('ping' => 1));
	-$manager->executeCommand(DATABASE_NAME, $command);
	-
	-$servers = $manager->getServers();
	-printf("Known servers: %d\n", count($servers));
	-
	-foreach ($servers as $server) {
	- printf("Found server: %s:%d\n", $server->getHost(), $server->getPort());
	- assertServerType($server->getType());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Known servers: 0
	-Pinging
	-Known servers: 3
	-Found server: %s:%d
	-Found replica set server type: %r(4\|5\|6)%r
	-Found server: %s:%d
	-Found replica set server type: %r(4\|5\|6)%r
	-Found server: %s:%d
	-Found replica set server type: %r(4\|5\|6)%r
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-set-uri-options-002.phpt b/mongodb-1.12.0/tests/manager/manager-set-uri-options-002.phpt
	deleted file mode 100644
	index 19a86d38..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-set-uri-options-002.phpt
	+++ /dev/null
	@@ -1,57 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager: Connecting to MongoDB using "ssl" from $options
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_ssl(); ?>
	-<?php skip_if_not_ssl(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$opts = array(
	- "ssl" => array(
	- "verify_peer" => false,
	- "verify_peer_name" => false,
	- "allow_self_signed" => true,
	- ),
	-);
	-$context = stream_context_create($opts);
	-
	-$options = array(
	- "ssl" => false,
	- "serverselectiontimeoutms" => 100,
	-);
	-/* The server requires SSL */
	-$manager = create_test_manager(URI, $options, array("context" => $context));
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(array("my" => "value"));
	-
	-throws(function() use ($manager, $bulk) {
	- $inserted = $manager->executeBulkWrite(NS, $bulk)->getInsertedCount();
	- printf("Inserted incorrectly: %d\n", $inserted);
	-}, MongoDB\Driver\Exception\ConnectionException::class);
	-
	-$options = array(
	- "ssl" => true,
	-);
	-$manager = create_test_manager(URI, $options, array("context" => $context));
	-$bulk = new MongoDB\Driver\BulkWrite;
	-
	-$bulk->insert(array("my" => "value"));
	-$inserted = $manager->executeBulkWrite(NS, $bulk)->getInsertedCount();
	-printf("Inserted: %d\n", $inserted);
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-OK: Got MongoDB\Driver\Exception\ConnectionException
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	-
	-Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	-Inserted: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-startSession_error-001.phpt b/mongodb-1.12.0/tests/manager/manager-startSession_error-001.phpt
	deleted file mode 100644
	index 1670dc84..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-startSession_error-001.phpt
	+++ /dev/null
	@@ -1,93 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::startSession() with wrong defaultTransactionOptions
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$options = [
	- [ 'maxCommitTimeMS' => -1 ],
	- [ 'readConcern' => 42 ],
	- [ 'readConcern' => new stdClass ],
	- [ 'readConcern' => new \MongoDB\Driver\WriteConcern( 2 ) ],
	- [ 'readPreference' => 42 ],
	- [ 'readPreference' => new stdClass ],
	- [ 'readPreference' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ) ],
	- [ 'writeConcern' => 42 ],
	- [ 'writeConcern' => new stdClass ],
	- [ 'writeConcern' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ) ],
	-
	- [
	- 'readConcern' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ),
	- 'readPreference' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ),
	- ],
	- [
	- 'readConcern' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ),
	- 'writeConcern' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ),
	- ],
	- [
	- 'readPreference' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ),
	- 'writeConcern' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ),
	- ],
	-
	- 42,
	- new stdClass,
	-];
	-
	-foreach ($options as $txnOptions) {
	- echo throws(function() use ($manager, $txnOptions) {
	- $manager->startSession([
	- 'defaultTransactionOptions' => $txnOptions
	- ]);
	- }, MongoDB\Driver\Exception\InvalidArgumentException::class), "\n";
	-}
	-
	-echo raises(function() use ($manager) {
	- $manager->startSession([
	- 'defaultTransactionOptions' => [ 'maxCommitTimeMS' => new stdClass ]
	- ]);
	-}, E_NOTICE \| E_WARNING), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "maxCommitTimeMS" option to be >= 0, -1 given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readConcern" option to be MongoDB\Driver\ReadConcern, int%S given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readConcern" option to be MongoDB\Driver\ReadConcern, stdClass given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readConcern" option to be MongoDB\Driver\ReadConcern, MongoDB\Driver\WriteConcern given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readPreference" option to be MongoDB\Driver\ReadPreference, int%S given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readPreference" option to be MongoDB\Driver\ReadPreference, stdClass given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readPreference" option to be MongoDB\Driver\ReadPreference, MongoDB\Driver\ReadConcern given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, int%S given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, stdClass given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, MongoDB\Driver\ReadPreference given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "readPreference" option to be MongoDB\Driver\ReadPreference, MongoDB\Driver\ReadConcern given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, MongoDB\Driver\ReadPreference given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, MongoDB\Driver\ReadPreference given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "defaultTransactionOptions" option to be an array, int%S given
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Expected "defaultTransactionOptions" option to be an array, stdClass given
	-OK: Got %r(E_NOTICE\|E_WARNING)%r
	-Object of class stdClass could not be converted to int
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-startSession_error-002.phpt b/mongodb-1.12.0/tests/manager/manager-startSession_error-002.phpt
	deleted file mode 100644
	index 31ed5b97..00000000
	--- a/mongodb-1.12.0/tests/manager/manager-startSession_error-002.phpt
	+++ /dev/null
	@@ -1,30 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::startSession() snapshot and causalConsistency cannot both be true
	---DESCRIPTION--
	-Session spec prose test #1
	-https://github.com/mongodb/specifications/blob/master/source/sessions/tests/README.rst#prose-tests
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-echo throws(function() use ($manager) {
	- $manager->startSession([
	- 'causalConsistency' => true,
	- 'snapshot' => true,
	- ]);
	-}, MongoDB\Driver\Exception\InvalidArgumentException::class), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Only one of "causalConsistency" and "snapshot" can be enabled
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/query/bug0705-001.phpt b/mongodb-1.12.0/tests/query/bug0705-001.phpt
	deleted file mode 100644
	index 8d53dffc..00000000
	--- a/mongodb-1.12.0/tests/query/bug0705-001.phpt
	+++ /dev/null
	@@ -1,54 +0,0 @@
	---TEST--
	-PHPC-705: Do not unnecessarily wrap filters in $query (profiled query)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_not_clean(DATABASE_NAME, 'system.profile'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$command = new MongoDB\Driver\Command(['profile' => 2]);
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 2 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-$manager->executeQuery(NS, new MongoDB\Driver\Query(["x" => 1]));
	-
	-$query = new MongoDB\Driver\Query(
	- [
	- 'op' => 'query',
	- 'ns' => NS,
	- ],
	- [
	- 'sort' => ['ts' => -1],
	- 'limit' => 1,
	- ]
	-);
	-$cursor = $manager->executeQuery(DATABASE_NAME . '.system.profile', $query);
	-$profileEntry = current($cursor->toArray());
	-
	-var_dump($profileEntry->query);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 0));
	-$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 0 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Set profile level to 2 successfully: yes
	-object(stdClass)#%d (%d) {
	- ["x"]=>
	- int(1)
	-}
	-Set profile level to 0 successfully: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/query/bug0705-002.phpt b/mongodb-1.12.0/tests/query/bug0705-002.phpt
	deleted file mode 100644
	index 46640f57..00000000
	--- a/mongodb-1.12.0/tests/query/bug0705-002.phpt
	+++ /dev/null
	@@ -1,29 +0,0 @@
	---TEST--
	-PHPC-705: Do not unnecessarily wrap filters in $query (currentOp query)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$cursor = $manager->executeQuery('admin.$cmd.sys.inprog', new MongoDB\Driver\Query([]));
	-var_dump($cursor->toArray());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(1) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["inprog"]=>
	- array(0) {
	- }
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/readPreference/bug0146-001.phpt b/mongodb-1.12.0/tests/readPreference/bug0146-001.phpt
	deleted file mode 100644
	index e1c43923..00000000
	--- a/mongodb-1.12.0/tests/readPreference/bug0146-001.phpt
	+++ /dev/null
	@@ -1,225 +0,0 @@
	---TEST--
	-PHPC-146: ReadPreference primaryPreferred and secondary swapped (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(array('my' => 'document'));
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$rps = array(
	- MongoDB\Driver\ReadPreference::RP_PRIMARY,
	- MongoDB\Driver\ReadPreference::RP_PRIMARY_PREFERRED,
	- MongoDB\Driver\ReadPreference::RP_SECONDARY,
	- MongoDB\Driver\ReadPreference::RP_SECONDARY_PREFERRED,
	- MongoDB\Driver\ReadPreference::RP_NEAREST,
	-);
	-
	-foreach($rps as $r) {
	- $rp = new MongoDB\Driver\ReadPreference($r);
	- $cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query(array("my" => "query")), $rp);
	- var_dump($cursor);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_001"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(7) "primary"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_001"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(16) "primaryPreferred"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_001"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(9) "secondary"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_001"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(18) "secondaryPreferred"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_001"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(7) "nearest"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/readPreference/bug0146-002.phpt b/mongodb-1.12.0/tests/readPreference/bug0146-002.phpt
	deleted file mode 100644
	index 2edfbce8..00000000
	--- a/mongodb-1.12.0/tests/readPreference/bug0146-002.phpt
	+++ /dev/null
	@@ -1,227 +0,0 @@
	---TEST--
	-PHPC-146: ReadPreference primaryPreferred and secondary swapped (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(array('my' => 'document'));
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$rps = array(
	- MongoDB\Driver\ReadPreference::RP_PRIMARY,
	- MongoDB\Driver\ReadPreference::RP_PRIMARY_PREFERRED,
	- MongoDB\Driver\ReadPreference::RP_SECONDARY,
	- MongoDB\Driver\ReadPreference::RP_SECONDARY_PREFERRED,
	- MongoDB\Driver\ReadPreference::RP_NEAREST,
	-);
	-
	-foreach($rps as $r) {
	- $rp = new MongoDB\Driver\ReadPreference($r);
	- $cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query(array("my" => "query")), $rp);
	- var_dump($cursor);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_002"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(7) "primary"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_002"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(16) "primaryPreferred"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_002"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(9) "secondary"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_002"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(18) "secondaryPreferred"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-object(MongoDB\Driver\Cursor)#%d (%d) {
	- ["database"]=>
	- string(6) "phongo"
	- ["collection"]=>
	- string(26) "readPreference_bug0146_002"
	- ["query"]=>
	- object(MongoDB\Driver\Query)#%d (%d) {
	- ["filter"]=>
	- object(stdClass)#%d (%d) {
	- ["my"]=>
	- string(5) "query"
	- }
	- ["options"]=>
	- object(stdClass)#%d (%d) {
	- }
	- ["readConcern"]=>
	- NULL
	- }
	- ["command"]=>
	- NULL
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(7) "nearest"
	- }
	- ["session"]=>
	- NULL
	- ["isDead"]=>
	- bool(true)
	- ["currentIndex"]=>
	- int(0)
	- ["currentDocument"]=>
	- NULL
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/bug0898-001.phpt b/mongodb-1.12.0/tests/replicaset/bug0898-001.phpt
	deleted file mode 100644
	index dd30cfff..00000000
	--- a/mongodb-1.12.0/tests/replicaset/bug0898-001.phpt
	+++ /dev/null
	@@ -1,46 +0,0 @@
	---TEST--
	-PHPC-898: readConcern option should not be included in getMore commands (URI option)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-
	-$result = $manager->executeBulkWrite(NS, $bulk);
	-printf("Inserted %d document(s)\n", $result->getInsertedCount());
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-foreach ($cursor as $document) {
	- var_dump($document);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Inserted 3 document(s)
	-object(stdClass)#%d (1) {
	- ["_id"]=>
	- int(1)
	-}
	-object(stdClass)#%d (1) {
	- ["_id"]=>
	- int(2)
	-}
	-object(stdClass)#%d (1) {
	- ["_id"]=>
	- int(3)
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/bug0898-002.phpt b/mongodb-1.12.0/tests/replicaset/bug0898-002.phpt
	deleted file mode 100644
	index beabf892..00000000
	--- a/mongodb-1.12.0/tests/replicaset/bug0898-002.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-PHPC-898: readConcern option should not be included in getMore commands (query option)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1]);
	-$bulk->insert(['_id' => 2]);
	-$bulk->insert(['_id' => 3]);
	-
	-$result = $manager->executeBulkWrite(NS, $bulk);
	-printf("Inserted %d document(s)\n", $result->getInsertedCount());
	-
	-$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2, 'readConcern' => $rc]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-foreach ($cursor as $document) {
	- var_dump($document);
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Inserted 3 document(s)
	-object(stdClass)#%d (1) {
	- ["_id"]=>
	- int(1)
	-}
	-object(stdClass)#%d (1) {
	- ["_id"]=>
	- int(2)
	-}
	-object(stdClass)#%d (1) {
	- ["_id"]=>
	- int(3)
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/manager-getservers-001.phpt b/mongodb-1.12.0/tests/replicaset/manager-getservers-001.phpt
	deleted file mode 100644
	index 30e1ae56..00000000
	--- a/mongodb-1.12.0/tests/replicaset/manager-getservers-001.phpt
	+++ /dev/null
	@@ -1,110 +0,0 @@
	---TEST--
	-MongoDB\Driver\Manager::getServers()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_no_arbiter(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-
	-$doc = array("example" => "document");
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert($doc);
	-$wresult = $manager->executeBulkWrite(NS, $bulk);
	-
	-var_dump($manager->getServers());
	-$servers = $manager->getServers();
	-
	-foreach($servers as $server) {
	- printf("%s:%d - primary: %d, secondary: %d, arbiter: %d\n", $server->getHost(), $server->getPort(), $server->isPrimary(), $server->isSecondary(), $server->isArbiter());
	-}
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(3) {
	- [0]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- ["host"]=>
	- string(%d) "%s"
	- ["port"]=>
	- int(%d)
	- ["type"]=>
	- int(4)
	- ["is_primary"]=>
	- bool(true)
	- ["is_secondary"]=>
	- bool(false)
	- ["is_arbiter"]=>
	- bool(false)
	- ["is_hidden"]=>
	- bool(false)
	- ["is_passive"]=>
	- bool(false)%A
	- ["last_hello_response"]=>
	- array(%d) {
	- %a
	- }
	- ["round_trip_time"]=>
	- int(%d)
	- }
	- [1]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- ["host"]=>
	- string(%d) "%s"
	- ["port"]=>
	- int(%d)
	- ["type"]=>
	- int(5)
	- ["is_primary"]=>
	- bool(false)
	- ["is_secondary"]=>
	- bool(true)
	- ["is_arbiter"]=>
	- bool(false)
	- ["is_hidden"]=>
	- bool(false)
	- ["is_passive"]=>
	- bool(false)%A
	- ["last_hello_response"]=>
	- array(%d) {
	- %a
	- }
	- ["round_trip_time"]=>
	- int(%d)
	- }
	- [2]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- ["host"]=>
	- string(%d) "%s"
	- ["port"]=>
	- int(%d)
	- ["type"]=>
	- int(6)
	- ["is_primary"]=>
	- bool(false)
	- ["is_secondary"]=>
	- bool(false)
	- ["is_arbiter"]=>
	- bool(true)
	- ["is_hidden"]=>
	- bool(false)
	- ["is_passive"]=>
	- bool(false)
	- ["last_hello_response"]=>
	- array(%d) {
	- %a
	- }
	- ["round_trip_time"]=>
	- int(%d)
	- }
	-}
	-%s:%d - primary: 1, secondary: 0, arbiter: 0
	-%s:%d - primary: 0, secondary: 1, arbiter: 0
	-%s:%d - primary: 0, secondary: 0, arbiter: 1
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/readconcern-001.phpt b/mongodb-1.12.0/tests/replicaset/readconcern-001.phpt
	deleted file mode 100644
	index c56059ad..00000000
	--- a/mongodb-1.12.0/tests/replicaset/readconcern-001.phpt
	+++ /dev/null
	@@ -1,55 +0,0 @@
	---TEST--
	-ReadConcern: MongoDB\Driver\Manager::executeQuery() with readConcern option (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$wc = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1, 'x' => 1]);
	-$bulk->insert(['_id' => 2, 'x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk, $wc);
	-
	-$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);
	-$query = new MongoDB\Driver\Query(['x' => 2], ['readConcern' => $rc]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-var_dump(iterator_to_array($cursor));
	-
	-$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);
	-$query = new MongoDB\Driver\Query(['x' => 2], ['readConcern' => $rc]);
	-$cursor = $manager->executeQuery(NS, $query);
	-
	-var_dump(iterator_to_array($cursor));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(1) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(2)
	- ["x"]=>
	- int(2)
	- }
	-}
	-array(1) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["_id"]=>
	- int(2)
	- ["x"]=>
	- int(2)
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/readconcern-002.phpt b/mongodb-1.12.0/tests/replicaset/readconcern-002.phpt
	deleted file mode 100644
	index 2fb600e4..00000000
	--- a/mongodb-1.12.0/tests/replicaset/readconcern-002.phpt
	+++ /dev/null
	@@ -1,41 +0,0 @@
	---TEST--
	-ReadConcern: MongoDB\Driver\Manager::executeQuery() with readConcern option (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['_id' => 1, 'x' => 1]);
	-$bulk->insert(['_id' => 2, 'x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);
	-$query = new MongoDB\Driver\Query(['x' => 2], ['readConcern' => $rc]);
	-
	-echo throws(function() use ($manager, $query) {
	- $manager->executeQuery(NS, $query);
	-}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-
	-$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);
	-$query = new MongoDB\Driver\Query(['x' => 2], ['readConcern' => $rc]);
	-
	-echo throws(function() use ($manager, $query) {
	- $manager->executeQuery(NS, $query);
	-}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-The selected server does not support readConcern
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-The selected server does not support readConcern
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/server-001.phpt b/mongodb-1.12.0/tests/replicaset/server-001.phpt
	deleted file mode 100644
	index c03a5814..00000000
	--- a/mongodb-1.12.0/tests/replicaset/server-001.phpt
	+++ /dev/null
	@@ -1,69 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server: Manager->getServer() returning correct server
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2, 2); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-
	-$doc = array("example" => "document");
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert($doc);
	-$wresult = $manager->executeBulkWrite(NS, $bulk);
	-
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert($doc);
	-
	-/* writes go to the primary */
	-$server = $wresult->getServer();
	-
	-var_dump(
	- $server->getHost()
	-);
	-
	-$tags = $server->getTags();
	-echo "dc: ", array_key_exists('dc', $tags) ? $tags['dc'] : 'not set', "\n";
	-echo "ordinal: ", array_key_exists('ordinal', $tags) ? $tags['ordinal'] : 'not set', "\n";
	-
	-var_dump(
	- $server->getLatency(),
	- $server->getPort(),
	- $server->getType() == MongoDB\Driver\Server::TYPE_RS_PRIMARY,
	- $server->isPrimary(),
	- $server->isSecondary(),
	- $server->isArbiter(),
	- $server->isHidden(),
	- $server->isPassive()
	-);
	-$info = $server->getInfo(); // hello response changes between mongod versions
	-var_dump($info["setName"], $info["hosts"]);
	-var_dump($info["me"] == $server->getHost() . ":" . $server->getPort());
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-string(%d) "%s"
	-dc: ny
	-ordinal: one
	-int(%d)
	-int(%d)
	-bool(true)
	-bool(true)
	-bool(false)
	-bool(false)
	-bool(false)
	-bool(false)
	-string(%d) "repl0%S"
	-array(2) {
	- [0]=>
	- string(%d) "%s:%d"
	- [1]=>
	- string(%d) "%s:%d"
	-}
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/server-002.phpt b/mongodb-1.12.0/tests/replicaset/server-002.phpt
	deleted file mode 100644
	index 029bac81..00000000
	--- a/mongodb-1.12.0/tests/replicaset/server-002.phpt
	+++ /dev/null
	@@ -1,64 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server: Manager->getServer() returning correct server
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2, 2); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-
	-$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	-$result = $manager->executeQuery(NS, new MongoDB\Driver\Query(array()), $rp);
	-
	-/* writes go to the primary */
	-$server = $result->getServer();
	-
	-var_dump(
	- $server->getHost()
	-);
	-
	-$tags = $server->getTags();
	-echo "dc: ", array_key_exists('dc', $tags) ? $tags['dc'] : 'not set', "\n";
	-echo "ordinal: ", array_key_exists('ordinal', $tags) ? $tags['ordinal'] : 'not set', "\n";
	-
	-var_dump(
	- $server->getLatency(),
	- $server->getPort(),
	- $server->getType() == MongoDB\Driver\Server::TYPE_RS_SECONDARY,
	- $server->isPrimary(),
	- $server->isSecondary(),
	- $server->isArbiter(),
	- $server->isHidden(),
	- $server->isPassive()
	-);
	-$info = $server->getInfo(); // hello response changes between mongod versions
	-var_dump($info["setName"], $info["hosts"]);
	-var_dump($info["me"] == $server->getHost() . ":" . $server->getPort());
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-string(%d) "%s"
	-dc: pa
	-ordinal: two
	-int(%d)
	-int(%d)
	-bool(true)
	-bool(false)
	-bool(true)
	-bool(false)
	-bool(false)
	-bool(false)
	-string(%s) "repl0%S"
	-array(2) {
	- [0]=>
	- string(%d) "%s:%d"
	- [1]=>
	- string(%d) "%s:%d"
	-}
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/writeresult-getserver-002.phpt b/mongodb-1.12.0/tests/replicaset/writeresult-getserver-002.phpt
	deleted file mode 100644
	index ba46e2d8..00000000
	--- a/mongodb-1.12.0/tests/replicaset/writeresult-getserver-002.phpt
	+++ /dev/null
	@@ -1,99 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server: Manager->getServer() returning correct server
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_auth(); /* TODO: PHPC-2008 */ ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_not_clean('local', COLLECTION_NAME); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-// Disable retryWrites since the test writes to the unreplicated "local" database
	-// Explicitly use w:1 to work around MongoDB 5.0 applying w:majority (SERVER-61790)
	-$manager = create_test_manager(URI, ['retryWrites' => false, 'w' => 1]);
	-
	-$doc = array("example" => "document");
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert($doc);
	-$wresult = $manager->executeBulkWrite(NS, $bulk);
	-
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert($doc);
	-
	-/* writes go to the primary */
	-$server = $wresult->getServer();
	-/* This is the same server */
	-$server2 = $server->executeBulkWrite(NS, $bulk)->getServer();
	-
	-/* Both are the primary, e.g. the same server */
	-var_dump($server == $server2);
	-
	-
	-$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	-/* Fetch a secondary */
	-$server3 = $manager->executeQuery(NS, new MongoDB\Driver\Query(array()), $rp)->getServer();
	-
	-var_dump($server == $server3);
	-var_dump($server->getPort(), $server3->getPort());
	-
	-
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert($doc);
	-
	-$result = $server3->executeBulkWrite('local.' . COLLECTION_NAME, $bulk);
	-var_dump($result, $result->getServer()->getHost(), $result->getServer()->getPort());
	-$result = $server3->executeQuery('local.' . COLLECTION_NAME, new MongoDB\Driver\Query(array()));
	-foreach($result as $document) {
	- var_dump($document);
	-}
	-$cmd = new MongoDB\Driver\Command(['drop' => COLLECTION_NAME]);
	-$server3->executeCommand("local", $cmd);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-bool(true)
	-bool(false)
	-int(%d)
	-int(%d)
	-object(MongoDB\Driver\WriteResult)#%d (%d) {
	- ["nInserted"]=>
	- int(1)
	- ["nMatched"]=>
	- int(0)
	- ["nModified"]=>
	- int(0)
	- ["nRemoved"]=>
	- int(0)
	- ["nUpserted"]=>
	- int(0)
	- ["upsertedIds"]=>
	- array(0) {
	- }
	- ["writeErrors"]=>
	- array(0) {
	- }
	- ["writeConcernError"]=>
	- NULL
	- ["writeConcern"]=>
	- object(MongoDB\Driver\WriteConcern)#%d (%d) {
	- ["w"]=>
	- int(1)
	- }
	-}
	-string(%d) "%s"
	-int(%d)
	-object(stdClass)#%d (2) {
	- ["_id"]=>
	- object(%s\ObjectId)#%d (1) {
	- ["oid"]=>
	- string(24) "%s"
	- }
	- ["example"]=>
	- string(8) "document"
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-001.phpt b/mongodb-1.12.0/tests/retryable-writes/retryable-writes-001.phpt
	deleted file mode 100644
	index aeac7d3a..00000000
	--- a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-001.phpt
	+++ /dev/null
	@@ -1,85 +0,0 @@
	---TEST--
	-Retryable writes: supported single-statement operations include transaction IDs
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	-
	- printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$observer = new TransactionIdObserver;
	-MongoDB\Driver\Monitoring\addSubscriber($observer);
	-
	-$manager = create_test_manager();
	-
	-echo "Testing deleteOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->delete(['x' => 1], ['limit' => 1]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting insertOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting replaceOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->update(['x' => 1], ['x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting updateOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting findAndModify\n";
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['x' => 1],
	- 'update' => ['$inc' => ['x' => 1]],
	-]);
	-$manager->executeReadWriteCommand(DATABASE_NAME, $command);
	-
	-MongoDB\Driver\Monitoring\removeSubscriber($observer);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing deleteOne
	-delete command includes transaction ID: yes
	-
	-Testing insertOne
	-insert command includes transaction ID: yes
	-
	-Testing replaceOne
	-update command includes transaction ID: yes
	-
	-Testing updateOne
	-update command includes transaction ID: yes
	-
	-Testing findAndModify
	-findAndModify command includes transaction ID: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-002.phpt b/mongodb-1.12.0/tests/retryable-writes/retryable-writes-002.phpt
	deleted file mode 100644
	index 3786d501..00000000
	--- a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-002.phpt
	+++ /dev/null
	@@ -1,86 +0,0 @@
	---TEST--
	-Retryable writes: supported multi-statement operations include transaction IDs
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	-
	- printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$observer = new TransactionIdObserver;
	-MongoDB\Driver\Monitoring\addSubscriber($observer);
	-
	-$manager = create_test_manager();
	-
	-echo "Testing multi-statement bulk write (ordered=true)\n";
	-$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
	-$bulk->delete(['x' => 1], ['limit' => 1]);
	-$bulk->insert(['x' => 1]);
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	-$bulk->update(['x' => 1], ['x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting multi-statement bulk write (ordered=false)\n";
	-$bulk = new MongoDB\Driver\BulkWrite(['ordered' => false]);
	-$bulk->delete(['x' => 1], ['limit' => 1]);
	-$bulk->insert(['x' => 1]);
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	-$bulk->update(['x' => 1], ['x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting insertMany (ordered=true)\n";
	-$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting insertMany (ordered=false)\n";
	-$bulk = new MongoDB\Driver\BulkWrite(['ordered' => false]);
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-MongoDB\Driver\Monitoring\removeSubscriber($observer);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing multi-statement bulk write (ordered=true)
	-delete command includes transaction ID: yes
	-insert command includes transaction ID: yes
	-update command includes transaction ID: yes
	-
	-Testing multi-statement bulk write (ordered=false)
	-delete command includes transaction ID: yes
	-insert command includes transaction ID: yes
	-update command includes transaction ID: yes
	-
	-Testing insertMany (ordered=true)
	-insert command includes transaction ID: yes
	-
	-Testing insertMany (ordered=false)
	-insert command includes transaction ID: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-003.phpt b/mongodb-1.12.0/tests/retryable-writes/retryable-writes-003.phpt
	deleted file mode 100644
	index 09735c67..00000000
	--- a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-003.phpt
	+++ /dev/null
	@@ -1,100 +0,0 @@
	---TEST--
	-Retryable writes: unsupported operations do not include transaction IDs
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	-
	- printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$observer = new TransactionIdObserver;
	-MongoDB\Driver\Monitoring\addSubscriber($observer);
	-
	-$manager = create_test_manager();
	-
	-echo "Testing deleteMany\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->delete(['x' => 1], ['limit' => 0]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting updateMany\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]], ['multi' => true]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting multi-statement bulk write with one unsupported operation (ordered=true)\n";
	-$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
	-$bulk->delete(['x' => 1], ['limit' => 1]);
	-$bulk->insert(['x' => 1]);
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	-$bulk->update(['x' => 1], ['x' => 2]);
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]], ['multi' => true]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting multi-statement bulk write with one unsupported operation (ordered=false)\n";
	-$bulk = new MongoDB\Driver\BulkWrite(['ordered' => false]);
	-$bulk->delete(['x' => 1], ['limit' => 1]);
	-$bulk->insert(['x' => 1]);
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	-$bulk->update(['x' => 1], ['x' => 2]);
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]], ['multi' => true]);
	-$manager->executeBulkWrite(NS, $bulk);
	-
	-echo "\nTesting aggregate\n";
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$match' => ['x' => 1]],
	- ['$out' => COLLECTION_NAME . '.out'],
	- ],
	- 'cursor' => new stdClass,
	-]);
	-$manager->executeReadWriteCommand(DATABASE_NAME, $command);
	-
	-MongoDB\Driver\Monitoring\removeSubscriber($observer);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing deleteMany
	-delete command includes transaction ID: no
	-
	-Testing updateMany
	-update command includes transaction ID: no
	-
	-Testing multi-statement bulk write with one unsupported operation (ordered=true)
	-delete command includes transaction ID: yes
	-insert command includes transaction ID: yes
	-update command includes transaction ID: no
	-
	-Testing multi-statement bulk write with one unsupported operation (ordered=false)
	-delete command includes transaction ID: yes
	-insert command includes transaction ID: yes
	-update command includes transaction ID: no
	-
	-Testing aggregate
	-aggregate command includes transaction ID: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-004.phpt b/mongodb-1.12.0/tests/retryable-writes/retryable-writes-004.phpt
	deleted file mode 100644
	index 07da71a2..00000000
	--- a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-004.phpt
	+++ /dev/null
	@@ -1,89 +0,0 @@
	---TEST--
	-Retryable writes: unacknowledged write operations do not include transaction IDs
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	-
	- printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$observer = new TransactionIdObserver;
	-MongoDB\Driver\Monitoring\addSubscriber($observer);
	-
	-$manager = create_test_manager();
	-$writeConcern = new MongoDB\Driver\WriteConcern(0);
	-
	-echo "Testing unacknowledged deleteOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->delete(['x' => 1], ['limit' => 1]);
	-$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	-
	-echo "\nTesting unacknowledged insertOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	-
	-echo "\nTesting unacknowledged replaceOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->update(['x' => 1], ['x' => 2]);
	-$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	-
	-echo "\nTesting unacknowledged updateOne\n";
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	-$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	-
	-/* Note: the server does not actually support unacknowledged write concerns for
	- * findAndModify. This is just testing that mongoc_cmd_parts_set_write_concern()
	- * in libmongoc detects w:0 and refrains from adding a transaction ID. */
	-echo "\nTesting unacknowledged findAndModify\n";
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['x' => 1],
	- 'update' => ['$inc' => ['x' => 1]],
	-]);
	-$manager->executeReadWriteCommand(DATABASE_NAME, $command, ['writeConcern' => $writeConcern]);
	-
	-MongoDB\Driver\Monitoring\removeSubscriber($observer);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing unacknowledged deleteOne
	-delete command includes transaction ID: no
	-
	-Testing unacknowledged insertOne
	-insert command includes transaction ID: no
	-
	-Testing unacknowledged replaceOne
	-update command includes transaction ID: no
	-
	-Testing unacknowledged updateOne
	-update command includes transaction ID: no
	-
	-Testing unacknowledged findAndModify
	-findAndModify command includes transaction ID: no
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-005.phpt b/mongodb-1.12.0/tests/retryable-writes/retryable-writes-005.phpt
	deleted file mode 100644
	index 3e5aa977..00000000
	--- a/mongodb-1.12.0/tests/retryable-writes/retryable-writes-005.phpt
	+++ /dev/null
	@@ -1,71 +0,0 @@
	---TEST--
	-Retryable writes: non-write command methods do not include transaction IDs
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	-
	- printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$observer = new TransactionIdObserver;
	-MongoDB\Driver\Monitoring\addSubscriber($observer);
	-
	-$manager = create_test_manager();
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['x' => 1],
	- 'update' => ['$inc' => ['x' => 1]],
	-]);
	-
	-echo "Testing Manager::executeCommand()\n";
	-$manager->executeCommand(DATABASE_NAME, $command);
	-
	-echo "\nTesting Manager::executeReadCommand()\n";
	-$manager->executeReadCommand(DATABASE_NAME, $command);
	-
	-echo "\nTesting Manager::executeReadWriteCommand()\n";
	-$manager->executeReadWriteCommand(DATABASE_NAME, $command);
	-
	-echo "\nTesting Manager::executeWriteCommand()\n";
	-$manager->executeWriteCommand(DATABASE_NAME, $command);
	-
	-MongoDB\Driver\Monitoring\removeSubscriber($observer);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing Manager::executeCommand()
	-findAndModify command includes transaction ID: no
	-
	-Testing Manager::executeReadCommand()
	-findAndModify command includes transaction ID: no
	-
	-Testing Manager::executeReadWriteCommand()
	-findAndModify command includes transaction ID: yes
	-
	-Testing Manager::executeWriteCommand()
	-findAndModify command includes transaction ID: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-writes/retryable-writes_error-001.phpt b/mongodb-1.12.0/tests/retryable-writes/retryable-writes_error-001.phpt
	deleted file mode 100644
	index 0b1e43d7..00000000
	--- a/mongodb-1.12.0/tests/retryable-writes/retryable-writes_error-001.phpt
	+++ /dev/null
	@@ -1,36 +0,0 @@
	---TEST--
	-Retryable writes: actionable error message when using retryable writes on unsupported storage engines
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_server_storage_engine('mmapv1'); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo throws(
	- function() use ($manager, $session) {
	- $command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['x' => 1],
	- 'update' => ['$inc' => ['x' => 1]],
	- ]);
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command, ['session' => $session]);
	- },
	- \MongoDB\Driver\Exception\CommandException::class
	-);
	-echo "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\CommandException
	-This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-construct-001.phpt b/mongodb-1.12.0/tests/server/server-construct-001.phpt
	deleted file mode 100644
	index 32d9e208..00000000
	--- a/mongodb-1.12.0/tests/server/server-construct-001.phpt
	+++ /dev/null
	@@ -1,33 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::__construct()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_multiple_mongos(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-/* For replica sets we need to do some extra work to get the primary */
	-$uri = is_replica_set(URI) ? get_primary_server(URI)->getInfo()['me'] : URI;
	-$parsed = parse_url($uri);
	-
	-$manager = create_test_manager();
	-
	-$bulk = new \MongoDB\Driver\BulkWrite();
	-$bulk->insert(array('foo' => 'bar'));
	-$server = $manager->executeBulkWrite(NS, $bulk)->getServer();
	-
	-$expectedHost = $parsed['host'];
	-$expectedPort = (integer) (isset($parsed['port']) ? $parsed['port'] : 27017);
	-
	-var_dump($server->getHost() == $expectedHost);
	-var_dump($server->getPort() == $expectedPort);
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-bool(true)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-002.phpt b/mongodb-1.12.0/tests/server/server-executeCommand-002.phpt
	deleted file mode 100644
	index f837d0a9..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeCommand-002.phpt
	+++ /dev/null
	@@ -1,76 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeCommand() takes a read preference
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	-<?php skip_if_not_clean(DATABASE_NAME, 'system.profile'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	-$secondary = $manager->selectServer($rp);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 2));
	-$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 2 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [ [ '$match' => [ 'x' => 1 ] ] ],
	- 'cursor' => (object) [],
	-]);
	-$secondary->executeCommand(DATABASE_NAME, $command, $rp);
	-
	-$query = new MongoDB\Driver\Query(
	- array(
	- 'op' => 'command',
	- 'ns' => DATABASE_NAME . '.' . COLLECTION_NAME,
	- ),
	- array(
	- 'sort' => array('ts' => -1),
	- 'limit' => 1,
	- )
	-);
	-$cursor = $secondary->executeQuery(DATABASE_NAME . '.system.profile', $query, $rp);
	-$profileEntry = current($cursor->toArray());
	-
	-var_dump($profileEntry->command);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 0));
	-$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 0 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Set profile level to 2 successfully: yes
	-object(stdClass)#%d (%d) {
	- ["aggregate"]=>
	- string(32) "server_server_executeCommand_002"
	- ["pipeline"]=>
	- array(1) {
	- [0]=>
	- object(stdClass)#%d (%d) {
	- ["$match"]=>
	- object(stdClass)#%d (%d) {
	- ["x"]=>
	- int(1)
	- }
	- }
	- }
	- ["cursor"]=>
	- object(stdClass)#%d (%d) {
	- }%A
	-}
	-Set profile level to 0 successfully: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-006.phpt b/mongodb-1.12.0/tests/server/server-executeCommand-006.phpt
	deleted file mode 100644
	index 5fbdba3e..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeCommand-006.phpt
	+++ /dev/null
	@@ -1,51 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeCommand() options (MONGO_CMD_RAW)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_standalone(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	-
	-(new CommandObserver)->observe(
	- function() use ($server) {
	- $command = new MongoDB\Driver\Command([
	- 'ping' => true,
	- ]);
	-
	- try {
	- $server->executeCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- } catch ( Exception $e ) {
	- // Ignore exception that ping doesn't support writeConcern
	- }
	- },
	- function(stdClass $command) {
	- echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Read Preference: secondary
	-Read Concern: local
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-008.phpt b/mongodb-1.12.0/tests/server/server-executeCommand-008.phpt
	deleted file mode 100644
	index 13205efb..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeCommand-008.phpt
	+++ /dev/null
	@@ -1,51 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeCommand() does not send read preference to standalone
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_standalone(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	-
	-(new CommandObserver)->observe(
	- function() use ($server) {
	- $command = new MongoDB\Driver\Command([
	- 'ping' => true,
	- ]);
	-
	- try {
	- $server->executeCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- } catch ( Exception $e ) {
	- // Ignore exception that ping doesn't support writeConcern
	- }
	- },
	- function(stdClass $command) {
	- echo isset($command->{'$readPreference'}) ? 'Read preference set' : 'No read preference set', "\n";
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-No read preference set
	-Read Concern: local
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-010.phpt b/mongodb-1.12.0/tests/server/server-executeCommand-010.phpt
	deleted file mode 100644
	index 514623fc..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeCommand-010.phpt
	+++ /dev/null
	@@ -1,48 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeCommand() does not inherit read or write concern
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$group' => ['_id' => 1]],
	- ['$out' => COLLECTION_NAME . '.out'],
	- ],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($server, $command) {
	- $server->executeCommand(DATABASE_NAME, $command);
	- $server->executeCommand(DATABASE_NAME, $command, [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	- ]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern ?? null), "\n";
	- echo json_encode($command->writeConcern ?? null), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-null
	-null
	-{"level":"available"}
	-{"w":1}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-005.phpt b/mongodb-1.12.0/tests/server/server-executeQuery-005.phpt
	deleted file mode 100644
	index 4b4985d3..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeQuery-005.phpt
	+++ /dev/null
	@@ -1,60 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeQuery() takes a read preference (OP_QUERY)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(DATABASE_NAME, 'system.profile'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	-$secondary = $manager->selectServer($rp);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 2));
	-$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 2 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-if (empty($result->ok)) {
	- exit("Could not set profile level\n");
	-}
	-
	-$secondary->executeQuery(NS, new MongoDB\Driver\Query(array("x" => 1)), $rp);
	-
	-$query = new MongoDB\Driver\Query(
	- array(
	- 'op' => 'query',
	- 'ns' => NS,
	- ),
	- array(
	- 'sort' => array('ts' => -1),
	- 'limit' => 1,
	- )
	-);
	-$cursor = $secondary->executeQuery(DATABASE_NAME . '.system.profile', $query, $rp);
	-$profileEntry = current($cursor->toArray());
	-
	-var_dump($profileEntry->query);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 0));
	-$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 0 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Set profile level to 2 successfully: yes
	-object(stdClass)#%d (%d) {
	- ["x"]=>
	- int(1)
	-}
	-Set profile level to 0 successfully: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-006.phpt b/mongodb-1.12.0/tests/server/server-executeQuery-006.phpt
	deleted file mode 100644
	index baf8a5fe..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeQuery-006.phpt
	+++ /dev/null
	@@ -1,66 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeQuery() takes a read preference (find command)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(DATABASE_NAME, 'system.profile'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	-$secondary = $manager->selectServer($rp);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 2));
	-$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 2 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-if (empty($result->ok)) {
	- exit("Could not set profile level\n");
	-}
	-
	-$secondary->executeQuery(NS, new MongoDB\Driver\Query(array("x" => 1)), $rp);
	-
	-$query = new MongoDB\Driver\Query(
	- array(
	- 'op' => 'query',
	- 'ns' => NS,
	- ),
	- array(
	- 'sort' => array('ts' => -1),
	- 'limit' => 1,
	- )
	-);
	-$cursor = $secondary->executeQuery(DATABASE_NAME . '.system.profile', $query, $rp);
	-$profileEntry = current($cursor->toArray());
	-
	-if (! isset( $profileEntry->command )) {
	- var_dump($profileEntry);
	-}
	-var_dump($profileEntry->command->find);
	-var_dump($profileEntry->command->filter);
	-
	-$command = new MongoDB\Driver\Command(array('profile' => 0));
	-$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	-$result = current($cursor->toArray());
	-
	-printf("Set profile level to 0 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Set profile level to 2 successfully: yes
	-string(%d) "%s"
	-object(stdClass)#%d (1) {
	- ["x"]=>
	- int(1)
	-}
	-Set profile level to 0 successfully: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-012.phpt b/mongodb-1.12.0/tests/server/server-executeQuery-012.phpt
	deleted file mode 100644
	index c324f075..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeQuery-012.phpt
	+++ /dev/null
	@@ -1,68 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeQuery() pins transaction to server
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_mongos(); ?>
	-<?php skip_if_no_transactions(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-/* Create collections as that can't be (automatically) done in a transaction */
	-$manager->executeCommand(
	- DATABASE_NAME,
	- new \MongoDB\Driver\Command([ 'create' => COLLECTION_NAME ]),
	- [ 'writeConcern' => new \MongoDB\Driver\WriteConcern( \MongoDB\Driver\WriteConcern::MAJORITY ) ]
	-);
	-
	-$servers = $manager->getServers();
	-$selectedServer = array_pop($servers);
	-$wrongServer = array_pop($servers);
	-var_dump($selectedServer != $wrongServer);
	-
	-$session = $manager->startSession();
	-var_dump($session->getServer() instanceof \MongoDB\Driver\Server);
	-
	-$session->startTransaction();
	-var_dump($session->getServer() instanceof \MongoDB\Driver\Server);
	-
	-$query = new MongoDB\Driver\Query([]);
	-$selectedServer->executeQuery(NS, $query, ['session' => $session]);
	-
	-var_dump($session->getServer() == $selectedServer);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$selectedServer->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	-echo throws(function () use ($wrongServer, $session) {
	- $query = new MongoDB\Driver\Query([]);
	- $wrongServer->executeQuery(NS, $query, ['session' => $session]);
	-}, \MongoDB\Driver\Exception\RuntimeException::class), "\n";
	-
	-$session->commitTransaction();
	-
	-var_dump($session->getServer() == $selectedServer);
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$selectedServer->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	-var_dump($session->getServer() instanceof \MongoDB\Driver\Server);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-bool(true)
	-bool(false)
	-bool(false)
	-bool(true)
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Requested server id does not matched pinned server id
	-bool(true)
	-bool(false)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-013.phpt b/mongodb-1.12.0/tests/server/server-executeQuery-013.phpt
	deleted file mode 100644
	index d8f3067a..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeQuery-013.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeQuery() read concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-
	-(new CommandObserver)->observe(
	- function() use ($server) {
	- $server->executeQuery(NS, new MongoDB\Driver\Query([]));
	- $server->executeQuery(NS, new MongoDB\Driver\Query([], [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- ]));
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"level":"local"}
	-{"level":"available"}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadCommand-001.phpt b/mongodb-1.12.0/tests/server/server-executeReadCommand-001.phpt
	deleted file mode 100644
	index 53ed2b36..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeReadCommand-001.phpt
	+++ /dev/null
	@@ -1,48 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeReadCommand()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_no_secondary(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY));
	-
	-(new CommandObserver)->observe(
	- function() use ($server) {
	- $command = new MongoDB\Driver\Command( [
	- 'aggregate' => NS,
	- 'pipeline' => [],
	- 'cursor' => new stdClass(),
	- ] );
	- $server->executeReadCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::MAJORITY),
	- ]
	- );
	- },
	- function(stdClass $command) {
	- echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- }
	-);
	-
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Read Preference: secondary
	-Read Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadCommand-003.phpt b/mongodb-1.12.0/tests/server/server-executeReadCommand-003.phpt
	deleted file mode 100644
	index fac41853..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeReadCommand-003.phpt
	+++ /dev/null
	@@ -1,40 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeReadCommand() read concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [['$group' => ['_id' => 1]]],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($server, $command) {
	- $server->executeReadCommand(DATABASE_NAME, $command);
	- $server->executeReadCommand(DATABASE_NAME, $command, [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- ]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"level":"local"}
	-{"level":"available"}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-001.phpt b/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-001.phpt
	deleted file mode 100644
	index 2c553a34..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-001.phpt
	+++ /dev/null
	@@ -1,43 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeReadWriteCommand()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.2'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	-
	-(new CommandObserver)->observe(
	- function() use ($server) {
	- $command = new MongoDB\Driver\Command( [
	- 'findAndModify' => NS,
	- 'update' => [ '$set' => [ 'foo' => 'bar' ] ],
	- ] );
	- $server->executeReadWriteCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- },
	- function(stdClass $command) {
	- echo "Read Concern: ", $command->readConcern->level, "\n";
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Read Concern: local
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-003.phpt b/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-003.phpt
	deleted file mode 100644
	index 93041077..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-003.phpt
	+++ /dev/null
	@@ -1,48 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeReadWriteCommand() read and write concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	-<?php skip_if_server_version('<', '3.6'); /* readConcernLevel:available */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-
	-$command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [
	- ['$group' => ['_id' => 1]],
	- ['$out' => COLLECTION_NAME . '.out'],
	- ],
	- 'cursor' => (object) [],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($server, $command) {
	- $server->executeReadWriteCommand(DATABASE_NAME, $command);
	- $server->executeReadWriteCommand(DATABASE_NAME, $command, [
	- 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	- 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	- ]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->readConcern), "\n";
	- echo json_encode($command->writeConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"level":"local"}
	-{"w":2,"wtimeout":1000}
	-{"level":"available"}
	-{"w":1}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeWriteCommand-001.phpt b/mongodb-1.12.0/tests/server/server-executeWriteCommand-001.phpt
	deleted file mode 100644
	index d1d17d4c..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeWriteCommand-001.phpt
	+++ /dev/null
	@@ -1,43 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeWriteCommand()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	-
	-$bw = new MongoDB\Driver\BulkWrite();
	-$bw->insert(['a' => 1]);
	-$manager->executeBulkWrite(NS, $bw);
	-
	-(new CommandObserver)->observe(
	- function() use ($server) {
	- $command = new MongoDB\Driver\Command([
	- 'drop' => COLLECTION_NAME,
	- ]);
	- $server->executeWriteCommand(
	- DATABASE_NAME,
	- $command,
	- [
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	- ]
	- );
	- },
	- function(stdClass $command) {
	- echo "Write Concern: ", $command->writeConcern->w, "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Write Concern: majority
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeWriteCommand-003.phpt b/mongodb-1.12.0/tests/server/server-executeWriteCommand-003.phpt
	deleted file mode 100644
	index 7b96c010..00000000
	--- a/mongodb-1.12.0/tests/server/server-executeWriteCommand-003.phpt
	+++ /dev/null
	@@ -1,41 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::executeWriteCommand() write concern inheritance
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	-<?php skip_if_server_version('<', '3.2'); /* findAndModify writeConcern */ ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-require_once __DIR__ . "/../utils/observer.php";
	-
	-$manager = create_test_manager(URI, ['w' => 2, 'wtimeoutms' => 1000]);
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-
	-$command = new MongoDB\Driver\Command([
	- 'findAndModify' => COLLECTION_NAME,
	- 'query' => ['x' => 1],
	- 'upsert' => true,
	- 'new' => true,
	- 'update' => ['$inc' => ['x' => 1]],
	-]);
	-
	-(new CommandObserver)->observe(
	- function() use ($server, $command) {
	- $server->executeWriteCommand(DATABASE_NAME, $command);
	- $server->executeWriteCommand(DATABASE_NAME, $command, ['writeConcern' => new MongoDB\Driver\WriteConcern(1)]);
	- },
	- function(stdClass $command) {
	- echo json_encode($command->writeConcern), "\n";
	- }
	-);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-{"w":2,"wtimeout":1000}
	-{"w":1}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-getLatency-002.phpt b/mongodb-1.12.0/tests/server/server-getLatency-002.phpt
	deleted file mode 100644
	index c0118634..00000000
	--- a/mongodb-1.12.0/tests/server/server-getLatency-002.phpt
	+++ /dev/null
	@@ -1,20 +0,0 @@
	---TEST--
	-MongoDB\Driver\Server::getLatency() returns null when unset (e.g. load balancer)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_load_balanced(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-var_dump($server->getLatency());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-NULL
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/bug1274-002.phpt b/mongodb-1.12.0/tests/session/bug1274-002.phpt
	deleted file mode 100644
	index ffbff41c..00000000
	--- a/mongodb-1.12.0/tests/session/bug1274-002.phpt
	+++ /dev/null
	@@ -1,107 +0,0 @@
	---TEST--
	-PHPC-1274: Session destruct should not end session from parent process
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $pid;
	-
	- public function __construct()
	- {
	- $this->pid = getmypid();
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- if ($commandName === 'find' \|\| $commandName === 'getMore') {
	- printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	- return;
	- }
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$bulk->insert(['x' => 3]);
	-$manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	-MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- echo "Child exits\n";
	- exit;
	-}
	-
	-function isSessionOnServer($manager, $session) {
	- /* Note: use $listLocalSessions since sessions are only synced to the config
	- * database's system.sessions collection every 30 minutes. Alternatively, we
	- * could run the refreshLogicalSessionCacheNow command on the primary. */
	- $command = new MongoDB\Driver\Command([
	- 'aggregate' => 1,
	- 'pipeline' => [
	- ['$listLocalSessions' => new stdClass],
	- ['$match' => ['_id.id' => $session->getLogicalSessionId()->id]],
	- ],
	- 'cursor' => new stdClass,
	- ]);
	- $cursor = $manager->executeReadCommand(DATABASE_NAME, $command);
	-
	- return iterator_count($cursor) > 0;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- printf("Session is on server: %s\n", isSessionOnServer($manager, $session) ? 'yes' : 'no');
	-
	- printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Parent executes find with batchSize: 2
	-Child exits
	-Parent waited for child to exit
	-Parent executes aggregate
	-Session is on server: yes
	-Parent executes getMore with batchSize: 2
	-Parent fully iterated cursor for 3 documents
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/bug1274-003.phpt b/mongodb-1.12.0/tests/session/bug1274-003.phpt
	deleted file mode 100644
	index 2886d0ec..00000000
	--- a/mongodb-1.12.0/tests/session/bug1274-003.phpt
	+++ /dev/null
	@@ -1,121 +0,0 @@
	---TEST--
	-PHPC-1274: Implicit sessions are not reused from parent process
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_not_clean(DATABASE_NAME, COLLECTION_NAME . '_sessions'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class SessionLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lsids = [];
	- private $logNamespace;
	- private $manager;
	- private $pid;
	-
	- public function __construct(MongoDB\Driver\Manager $manager, $logNamespace)
	- {
	- $this->logNamespace = $logNamespace;
	- $this->manager = $manager;
	- $this->pid = getmypid();
	- }
	-
	- public function executeAndLogSessions(callable $callable)
	- {
	- $this->lsids = [];
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	- call_user_func($callable);
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	-
	- if (empty($this->lsids)) {
	- return;
	- }
	-
	- $bulk = new MongoDB\Driver\BulkWrite();
	-
	- foreach ($this->lsids as $lsid) {
	- $bulk->update(['lsid' => $lsid], ['$inc' => ['count' => 1]], ['upsert' => true]);
	- }
	-
	- $this->manager->executeBulkWrite($this->logNamespace, $bulk);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	-
	- if (isset($command->lsid)) {
	- $this->lsids[] = $command->lsid;
	- }
	-
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager();
	-$logNamespace = NS . '_sessions';
	-$sessionLogger = new SessionLogger($manager, $logNamespace);
	-
	-/* This test uses executeBulkWrite() as it's the only execute method that does
	- * not create a cursor. The original patch for PHPC-1274 covered those methods
	- * that return a cursor but omitted executeBulkWrite(). */
	-$sessionLogger->executeAndLogSessions(function() use ($manager) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk);
	-});
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- $sessionLogger->executeAndLogSessions(function() use ($manager) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 2]);
	- $manager->executeBulkWrite(NS, $bulk);
	- });
	-
	- echo "Child exits\n";
	- exit;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- $query = new MongoDB\Driver\Query([]);
	- $cursor = $manager->executeQuery($logNamespace, $query);
	-
	- printf("Sessions used: %d\n", iterator_count($cursor));
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Parent executes insert
	-Child executes insert
	-Child exits
	-Parent waited for child to exit
	-Sessions used: 2
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/bug1274-005.phpt b/mongodb-1.12.0/tests/session/bug1274-005.phpt
	deleted file mode 100644
	index cbc3d948..00000000
	--- a/mongodb-1.12.0/tests/session/bug1274-005.phpt
	+++ /dev/null
	@@ -1,107 +0,0 @@
	---TEST--
	-PHPC-1274: Session destruct should not end session from parent process (disableClientPersistence=true)
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $pid;
	-
	- public function __construct()
	- {
	- $this->pid = getmypid();
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- if ($commandName === 'find' \|\| $commandName === 'getMore') {
	- printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	- return;
	- }
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	-$session = $manager->startSession();
	-
	-$bulk = new MongoDB\Driver\BulkWrite();
	-$bulk->insert(['x' => 1]);
	-$bulk->insert(['x' => 2]);
	-$bulk->insert(['x' => 3]);
	-$manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	-MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	-
	-$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	-$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- echo "Child exits\n";
	- exit;
	-}
	-
	-function isSessionOnServer($manager, $session) {
	- /* Note: use $listLocalSessions since sessions are only synced to the config
	- * database's system.sessions collection every 30 minutes. Alternatively, we
	- * could run the refreshLogicalSessionCacheNow command on the primary. */
	- $command = new MongoDB\Driver\Command([
	- 'aggregate' => 1,
	- 'pipeline' => [
	- ['$listLocalSessions' => new stdClass],
	- ['$match' => ['_id.id' => $session->getLogicalSessionId()->id]],
	- ],
	- 'cursor' => new stdClass,
	- ]);
	- $cursor = $manager->executeReadCommand(DATABASE_NAME, $command);
	-
	- return iterator_count($cursor) > 0;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- printf("Session is on server: %s\n", isSessionOnServer($manager, $session) ? 'yes' : 'no');
	-
	- printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Parent executes find with batchSize: 2
	-Child exits
	-Parent waited for child to exit
	-Parent executes aggregate
	-Session is on server: yes
	-Parent executes getMore with batchSize: 2
	-Parent fully iterated cursor for 3 documents
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/bug1274-006.phpt b/mongodb-1.12.0/tests/session/bug1274-006.phpt
	deleted file mode 100644
	index 7f47795d..00000000
	--- a/mongodb-1.12.0/tests/session/bug1274-006.phpt
	+++ /dev/null
	@@ -1,121 +0,0 @@
	---TEST--
	-PHPC-1274: Implicit sessions are not reused from parent process (disableClientPersistence=true)
	---SKIPIF--
	-<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_not_clean(DATABASE_NAME, COLLECTION_NAME . '_sessions'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class SessionLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lsids = [];
	- private $logNamespace;
	- private $manager;
	- private $pid;
	-
	- public function __construct(MongoDB\Driver\Manager $manager, $logNamespace)
	- {
	- $this->logNamespace = $logNamespace;
	- $this->manager = $manager;
	- $this->pid = getmypid();
	- }
	-
	- public function executeAndLogSessions(callable $callable)
	- {
	- $this->lsids = [];
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	- call_user_func($callable);
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	-
	- if (empty($this->lsids)) {
	- return;
	- }
	-
	- $bulk = new MongoDB\Driver\BulkWrite();
	-
	- foreach ($this->lsids as $lsid) {
	- $bulk->update(['lsid' => $lsid], ['$inc' => ['count' => 1]], ['upsert' => true]);
	- }
	-
	- $this->manager->executeBulkWrite($this->logNamespace, $bulk);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	-
	- if (isset($command->lsid)) {
	- $this->lsids[] = $command->lsid;
	- }
	-
	- $commandName = $event->getCommandName();
	- $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	-
	- printf("%s executes %s\n", $process, $commandName);
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	-$logNamespace = NS . '_sessions';
	-$sessionLogger = new SessionLogger($manager, $logNamespace);
	-
	-/* This test uses executeBulkWrite() as it's the only execute method that does
	- * not create a cursor. The original patch for PHPC-1274 covered those methods
	- * that return a cursor but omitted executeBulkWrite(). */
	-$sessionLogger->executeAndLogSessions(function() use ($manager) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk);
	-});
	-
	-$childPid = pcntl_fork();
	-
	-if ($childPid === 0) {
	- $sessionLogger->executeAndLogSessions(function() use ($manager) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 2]);
	- $manager->executeBulkWrite(NS, $bulk);
	- });
	-
	- echo "Child exits\n";
	- exit;
	-}
	-
	-if ($childPid > 0) {
	- $waitPid = pcntl_waitpid($childPid, $status);
	-
	- if ($waitPid === $childPid) {
	- echo "Parent waited for child to exit\n";
	- }
	-
	- $query = new MongoDB\Driver\Query([]);
	- $cursor = $manager->executeQuery($logNamespace, $query);
	-
	- printf("Sessions used: %d\n", iterator_count($cursor));
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Parent executes insert
	-Child executes insert
	-Child exits
	-Parent waited for child to exit
	-Sessions used: 2
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-001.phpt b/mongodb-1.12.0/tests/session/session-001.phpt
	deleted file mode 100644
	index 87916e24..00000000
	--- a/mongodb-1.12.0/tests/session/session-001.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session spec test: Pool is LIFO
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$firstSession = $manager->startSession();
	-$firstSessionId = $firstSession->getLogicalSessionId();
	-
	-/* libmongoc does not pool unused sessions (CDRIVER-3322), so we must use this
	- * session with a command to ensure it enters the pool. */
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $firstSession]);
	-
	-unset($firstSession);
	-
	-$secondSession = $manager->startSession();
	-$secondSessionId = $secondSession->getLogicalSessionId();
	-
	-var_dump($firstSessionId == $secondSessionId);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-002.phpt b/mongodb-1.12.0/tests/session/session-002.phpt
	deleted file mode 100644
	index 9f402a1d..00000000
	--- a/mongodb-1.12.0/tests/session/session-002.phpt
	+++ /dev/null
	@@ -1,174 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session spec test: $clusterTime in commands
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_load_balanced(); /* TODO: CDRIVER-4174 */ ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	-{
	- private $lastSeenClusterTime;
	-
	- public function aggregate()
	- {
	- $this->lastSeenClusterTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $command = new MongoDB\Driver\Command([
	- 'aggregate' => COLLECTION_NAME,
	- 'pipeline' => [],
	- 'cursor' => new stdClass(),
	- ]);
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command, ['session' => $session]);
	- $manager->executeReadWriteCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	- printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function find()
	- {
	- $this->lastSeenClusterTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-
	- printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function insert()
	- {
	- $this->lastSeenClusterTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 2]);
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-
	- printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function ping()
	- {
	- $this->lastSeenClusterTime = null;
	-
	- MongoDB\Driver\Monitoring\addSubscriber($this);
	-
	- $manager = create_test_manager();
	- $session = $manager->startSession();
	-
	- $command = new MongoDB\Driver\Command(['ping' => 1]);
	- $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	- $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	- printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	-
	- MongoDB\Driver\Monitoring\removeSubscriber($this);
	- }
	-
	- public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	- {
	- $command = $event->getCommand();
	- $hasClusterTime = isset($command->{'$clusterTime'});
	-
	- printf("%s command includes \$clusterTime: %s\n", $event->getCommandName(), $hasClusterTime ? 'yes' : 'no');
	-
	- if ($hasClusterTime && $this->lastSeenClusterTime !== null) {
	- printf("%s command uses last seen \$clusterTime: %s\n", $event->getCommandName(), ($command->{'$clusterTime'} == $this->lastSeenClusterTime) ? 'yes' : 'no');
	- }
	- }
	-
	- public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	- {
	- $reply = $event->getReply();
	- $hasClusterTime = isset($reply->{'$clusterTime'});
	-
	- printf("%s command reply includes \$clusterTime: %s\n", $event->getCommandName(), $hasClusterTime ? 'yes' : 'no');
	-
	- if ($hasClusterTime) {
	- $this->lastSeenClusterTime = $reply->{'$clusterTime'};
	- }
	- }
	-
	- public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	- {
	- }
	-}
	-
	-echo "\nTesting aggregate command\n";
	-(new Test)->aggregate();
	-
	-echo "\nTesting find command\n";
	-(new Test)->find();
	-
	-echo "\nTesting insert command\n";
	-(new Test)->insert();
	-
	-echo "\nTesting ping command\n";
	-(new Test)->ping();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing aggregate command
	-aggregate command includes $clusterTime: yes
	-aggregate command reply includes $clusterTime: yes
	-aggregate command includes $clusterTime: yes
	-aggregate command uses last seen $clusterTime: yes
	-aggregate command reply includes $clusterTime: yes
	-Session reports last seen $clusterTime: yes
	-
	-Testing find command
	-find command includes $clusterTime: yes
	-find command reply includes $clusterTime: yes
	-find command includes $clusterTime: yes
	-find command uses last seen $clusterTime: yes
	-find command reply includes $clusterTime: yes
	-Session reports last seen $clusterTime: yes
	-
	-Testing insert command
	-insert command includes $clusterTime: yes
	-insert command reply includes $clusterTime: yes
	-insert command includes $clusterTime: yes
	-insert command uses last seen $clusterTime: yes
	-insert command reply includes $clusterTime: yes
	-Session reports last seen $clusterTime: yes
	-
	-Testing ping command
	-ping command includes $clusterTime: yes
	-ping command reply includes $clusterTime: yes
	-ping command includes $clusterTime: yes
	-ping command uses last seen $clusterTime: yes
	-ping command reply includes $clusterTime: yes
	-Session reports last seen $clusterTime: yes
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-003.phpt b/mongodb-1.12.0/tests/session/session-003.phpt
	deleted file mode 100644
	index 8098bfb6..00000000
	--- a/mongodb-1.12.0/tests/session/session-003.phpt
	+++ /dev/null
	@@ -1,53 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session spec test: session cannot be used for different clients
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-// Vary heartbeatFrequencyMS to ensure each Manager gets a different client
	-$manager = create_test_manager(URI, ['heartbeatFrequencyMS' => 60000]);
	-$otherManager = create_test_manager(URI, ['heartbeatFrequencyMS' => 90000]);
	-
	-// Create a session with the second Manager (associated with different client)
	-$session = $otherManager->startSession();
	-
	-echo "\nTesting executeBulkWrite()\n";
	-echo throws(function() use ($manager, $session) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-echo "\nTesting executeCommand()\n";
	-echo throws(function() use ($manager, $session) {
	- $command = new MongoDB\Driver\Command(['ping' => 1]);
	- $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-echo "\nTesting executeQuery()\n";
	-echo throws(function() use ($manager, $session) {
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing executeBulkWrite()
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot use Session started from a different Manager
	-
	-Testing executeCommand()
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot use Session started from a different Manager
	-
	-Testing executeQuery()
	-OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	-Cannot use Session started from a different Manager
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-005.phpt b/mongodb-1.12.0/tests/session/session-005.phpt
	deleted file mode 100644
	index 39052a60..00000000
	--- a/mongodb-1.12.0/tests/session/session-005.phpt
	+++ /dev/null
	@@ -1,54 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session spec test: snapshot option requires MongoDB 5.0+
	---DESCRIPTION--
	-PHPC-1876: Raise client error for snapshot sessions on <5.0 servers
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_server_version('>=', '5.0'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession(['snapshot' => true]);
	-
	-/* Note: executeBulkWrite() always throws a BulkWriteException. Any previous
	- * exception's message will be included in the BulkWriteException message. */
	-echo "\nTesting executeBulkWrite()\n";
	-echo throws(function() use ($manager, $session) {
	- $bulk = new MongoDB\Driver\BulkWrite();
	- $bulk->insert(['x' => 1]);
	- $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	-}, MongoDB\Driver\Exception\BulkWriteException::class), "\n";
	-
	-echo "\nTesting executeCommand()\n";
	-echo throws(function() use ($manager, $session) {
	- $command = new MongoDB\Driver\Command(['ping' => 1]);
	- $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	-
	-echo "\nTesting executeQuery()\n";
	-echo throws(function() use ($manager, $session) {
	- $query = new MongoDB\Driver\Query([]);
	- $manager->executeQuery(NS, $query, ['session' => $session]);
	-}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Testing executeBulkWrite()
	-OK: Got MongoDB\Driver\Exception\BulkWriteException
	-Bulk write failed due to previous MongoDB\Driver\Exception\RuntimeException: Snapshot reads require MongoDB 5.0 or later
	-
	-Testing executeCommand()
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Snapshot reads require MongoDB 5.0 or later
	-
	-Testing executeQuery()
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Snapshot reads require MongoDB 5.0 or later
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-advanceClusterTime-001.phpt b/mongodb-1.12.0/tests/session/session-advanceClusterTime-001.phpt
	deleted file mode 100644
	index 0c4cc871..00000000
	--- a/mongodb-1.12.0/tests/session/session-advanceClusterTime-001.phpt
	+++ /dev/null
	@@ -1,52 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::advanceClusterTime()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$sessionA = $manager->startSession();
	-$sessionB = $manager->startSession();
	-
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $sessionA]);
	-
	-echo "Initial cluster time of session B:\n";
	-var_dump($sessionB->getClusterTime());
	-
	-$sessionB->advanceClusterTime($sessionA->getClusterTime());
	-
	-echo "\nCluster time after advancing session B:\n";
	-var_dump($sessionB->getClusterTime());
	-
	-echo "\nSessions A and B have equivalent cluster times:\n";
	-var_dump($sessionA->getClusterTime() == $sessionB->getClusterTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Initial cluster time of session B:
	-NULL
	-
	-Cluster time after advancing session B:
	-object(stdClass)#%d (%d) {
	- ["clusterTime"]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	- }
	- ["signature"]=>
	- %a
	-}
	-
	-Sessions A and B have equivalent cluster times:
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-advanceOperationTime-001.phpt b/mongodb-1.12.0/tests/session/session-advanceOperationTime-001.phpt
	deleted file mode 100644
	index 2e34012a..00000000
	--- a/mongodb-1.12.0/tests/session/session-advanceOperationTime-001.phpt
	+++ /dev/null
	@@ -1,47 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::advanceOperationTime()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$sessionA = $manager->startSession();
	-$sessionB = $manager->startSession();
	-
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $sessionA]);
	-
	-echo "Initial operation time of session B:\n";
	-var_dump($sessionB->getOperationTime());
	-
	-$sessionB->advanceOperationTime($sessionA->getOperationTime());
	-
	-echo "\nOperation time after advancing session B:\n";
	-var_dump($sessionB->getOperationTime());
	-
	-echo "\nSessions A and B have equivalent operation times:\n";
	-var_dump($sessionA->getOperationTime() == $sessionB->getOperationTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Initial operation time of session B:
	-NULL
	-
	-Operation time after advancing session B:
	-object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	-}
	-
	-Sessions A and B have equivalent operation times:
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-advanceOperationTime-002.phpt b/mongodb-1.12.0/tests/session/session-advanceOperationTime-002.phpt
	deleted file mode 100644
	index d22bf3aa..00000000
	--- a/mongodb-1.12.0/tests/session/session-advanceOperationTime-002.phpt
	+++ /dev/null
	@@ -1,37 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::advanceOperationTime() with Timestamp
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial operation time of session:\n";
	-var_dump($session->getOperationTime());
	-
	-$session->advanceOperationTime(new MongoDB\BSON\Timestamp(5678, 1234));
	-
	-echo "\nOperation time after advancing session:\n";
	-var_dump($session->getOperationTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Initial operation time of session:
	-NULL
	-
	-Operation time after advancing session:
	-object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(4) "5678"
	- ["timestamp"]=>
	- string(4) "1234"
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-advanceOperationTime-003.phpt b/mongodb-1.12.0/tests/session/session-advanceOperationTime-003.phpt
	deleted file mode 100644
	index d375ac91..00000000
	--- a/mongodb-1.12.0/tests/session/session-advanceOperationTime-003.phpt
	+++ /dev/null
	@@ -1,55 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::advanceOperationTime() with TimestampInterface
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class MyTimestamp implements MongoDB\BSON\TimestampInterface
	-{
	- public function getIncrement()
	- {
	- return 5678;
	- }
	-
	- public function getTimestamp()
	- {
	- return 1234;
	- }
	-
	- public function __toString()
	- {
	- return sprintf('[%d:%d]', $this->getIncrement(), $this->getTimestamp());
	- }
	-}
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial operation time of session:\n";
	-var_dump($session->getOperationTime());
	-
	-$session->advanceOperationTime(new MyTimestamp);
	-
	-echo "\nOperation time after advancing session:\n";
	-var_dump($session->getOperationTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Initial operation time of session:
	-NULL
	-
	-Operation time after advancing session:
	-object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(4) "5678"
	- ["timestamp"]=>
	- string(4) "1234"
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-advanceOperationTime_error-001.phpt b/mongodb-1.12.0/tests/session/session-advanceOperationTime_error-001.phpt
	deleted file mode 100644
	index b3dd21d0..00000000
	--- a/mongodb-1.12.0/tests/session/session-advanceOperationTime_error-001.phpt
	+++ /dev/null
	@@ -1,92 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::advanceOperationTime() with TimestampInterface exceptions
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-class MyTimestamp implements MongoDB\BSON\TimestampInterface
	-{
	- private $failIncrement;
	- private $failTimestamp;
	-
	- public function __construct($failIncrement, $failTimestamp)
	- {
	- $this->failIncrement = $failIncrement;
	- $this->failTimestamp = $failTimestamp;
	- }
	-
	- public function getIncrement()
	- {
	- if ($this->failIncrement) {
	- throw new Exception('getIncrement() failed');
	- }
	-
	- return 5678;
	- }
	-
	- public function getTimestamp()
	- {
	- if ($this->failTimestamp) {
	- throw new Exception('getTimestamp() failed');
	- }
	-
	- return 1234;
	- }
	-
	- public function __toString()
	- {
	- return sprintf('[%d:%d]', $this->getIncrement(), $this->getTimestamp());
	- }
	-}
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial operation time of session:\n";
	-var_dump($session->getOperationTime());
	-
	-$timestamps = [
	- new MyTimestamp(true, false),
	- new MyTimestamp(false, true),
	- new MyTimestamp(true, true),
	-];
	-
	-foreach ($timestamps as $timestamp) {
	- echo "\n", throws(function() use ($session, $timestamp) {
	- $session->advanceOperationTime($timestamp);
	- }, 'Exception'), "\n";
	-
	- echo "\nOperation time after advancing session fails:\n";
	- var_dump($session->getOperationTime());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-Initial operation time of session:
	-NULL
	-
	-OK: Got Exception
	-getIncrement() failed
	-
	-Operation time after advancing session fails:
	-NULL
	-
	-OK: Got Exception
	-getTimestamp() failed
	-
	-Operation time after advancing session fails:
	-NULL
	-
	-OK: Got Exception
	-getTimestamp() failed
	-
	-Operation time after advancing session fails:
	-NULL
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-001.phpt b/mongodb-1.12.0/tests/session/session-debug-001.phpt
	deleted file mode 100644
	index 2572b5b7..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-001.phpt
	+++ /dev/null
	@@ -1,49 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (before an operation)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-var_dump($session);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- array(1) {
	- ["id"]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	- ["type"]=>
	- int(4)
	- }
	- }
	- ["clusterTime"]=>
	- NULL
	- ["causalConsistency"]=>
	- bool(true)
	- ["snapshot"]=>
	- bool(false)
	- ["operationTime"]=>
	- NULL
	- ["server"]=>
	- NULL
	- ["inTransaction"]=>
	- bool(false)
	- ["transactionState"]=>
	- string(4) "none"
	- ["transactionOptions"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-002.phpt b/mongodb-1.12.0/tests/session/session-debug-002.phpt
	deleted file mode 100644
	index decbb99d..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-002.phpt
	+++ /dev/null
	@@ -1,67 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (after an operation)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	-var_dump($session);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- array(1) {
	- ["id"]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	- ["type"]=>
	- int(4)
	- }
	- }
	- ["clusterTime"]=>
	- array(2) {
	- ["clusterTime"]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	- }
	- ["signature"]=>
	- %a
	- }
	- ["causalConsistency"]=>
	- bool(true)
	- ["snapshot"]=>
	- bool(false)
	- ["operationTime"]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	- }
	- ["server"]=>
	- NULL
	- ["inTransaction"]=>
	- bool(false)
	- ["transactionState"]=>
	- string(4) "none"
	- ["transactionOptions"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-003.phpt b/mongodb-1.12.0/tests/session/session-debug-003.phpt
	deleted file mode 100644
	index ed2edff6..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-003.phpt
	+++ /dev/null
	@@ -1,49 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (causalConsistency=false)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession(['causalConsistency' => false]);
	-
	-var_dump($session);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- array(1) {
	- ["id"]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	- ["type"]=>
	- int(4)
	- }
	- }
	- ["clusterTime"]=>
	- NULL
	- ["causalConsistency"]=>
	- bool(false)
	- ["snapshot"]=>
	- bool(false)
	- ["operationTime"]=>
	- NULL
	- ["server"]=>
	- NULL
	- ["inTransaction"]=>
	- bool(false)
	- ["transactionState"]=>
	- string(4) "none"
	- ["transactionOptions"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-004.phpt b/mongodb-1.12.0/tests/session/session-debug-004.phpt
	deleted file mode 100644
	index 412517d1..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-004.phpt
	+++ /dev/null
	@@ -1,46 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (after ending session)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	-$session->endSession();
	-
	-var_dump($session);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- NULL
	- ["clusterTime"]=>
	- NULL
	- ["causalConsistency"]=>
	- NULL
	- ["snapshot"]=>
	- NULL
	- ["operationTime"]=>
	- NULL
	- ["server"]=>
	- NULL
	- ["inTransaction"]=>
	- NULL
	- ["transactionState"]=>
	- NULL
	- ["transactionOptions"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-005.phpt b/mongodb-1.12.0/tests/session/session-debug-005.phpt
	deleted file mode 100644
	index efaa997e..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-005.phpt
	+++ /dev/null
	@@ -1,82 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (during a pinned transaction)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_mongos(); ?>
	-<?php skip_if_no_transactions(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	-
	-$session = $manager->startSession();
	-$session->startTransaction();
	-
	-$query = new MongoDB\Driver\Query([]);
	-$server->executeQuery(NS, $query, ['session' => $session]);
	-
	-var_dump($session);
	-
	-$session->abortTransaction();
	-$session->endSession();
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- array(1) {
	- ["id"]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	- ["type"]=>
	- int(4)
	- }
	- }
	- ["clusterTime"]=>
	- array(2) {
	- ["clusterTime"]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	- }
	- ["signature"]=>
	- %a
	- }
	- ["causalConsistency"]=>
	- bool(true)
	- ["snapshot"]=>
	- bool(false)
	- ["operationTime"]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	- }
	- ["server"]=>
	- object(MongoDB\Driver\Server)#%d (%d) {
	- %a
	- }
	- ["inTransaction"]=>
	- bool(true)
	- ["transactionState"]=>
	- string(11) "in_progress"
	- ["transactionOptions"]=>
	- array(1) {
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(7) "primary"
	- }
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-006.phpt b/mongodb-1.12.0/tests/session/session-debug-006.phpt
	deleted file mode 100644
	index 007e6f66..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-006.phpt
	+++ /dev/null
	@@ -1,75 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (with transaction options)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_no_transactions(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-$options = [
	- 'maxCommitTimeMS' => 1,
	- 'readConcern' => new \MongoDB\Driver\ReadConcern('majority'),
	- 'readPreference' => new \MongoDB\Driver\ReadPreference('primaryPreferred'),
	- 'writeConcern' => new \MongoDB\Driver\WriteConcern('majority'),
	-];
	-
	-$session->startTransaction($options);
	-
	-var_dump($session);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- array(1) {
	- ["id"]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	- ["type"]=>
	- int(4)
	- }
	- }
	- ["clusterTime"]=>
	- NULL
	- ["causalConsistency"]=>
	- bool(true)
	- ["snapshot"]=>
	- bool(false)
	- ["operationTime"]=>
	- NULL
	- ["server"]=>
	- NULL
	- ["inTransaction"]=>
	- bool(true)
	- ["transactionState"]=>
	- string(8) "starting"
	- ["transactionOptions"]=>
	- array(4) {
	- ["maxCommitTimeMS"]=>
	- int(1)
	- ["readConcern"]=>
	- object(MongoDB\Driver\ReadConcern)#%d (%d) {
	- ["level"]=>
	- string(8) "majority"
	- }
	- ["readPreference"]=>
	- object(MongoDB\Driver\ReadPreference)#%d (%d) {
	- ["mode"]=>
	- string(16) "primaryPreferred"
	- }
	- ["writeConcern"]=>
	- object(MongoDB\Driver\WriteConcern)#%d (%d) {
	- ["w"]=>
	- string(8) "majority"
	- }
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-debug-007.phpt b/mongodb-1.12.0/tests/session/session-debug-007.phpt
	deleted file mode 100644
	index f83753ac..00000000
	--- a/mongodb-1.12.0/tests/session/session-debug-007.phpt
	+++ /dev/null
	@@ -1,49 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session debug output (snapshot=true)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession(['snapshot' => true]);
	-
	-var_dump($session);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\Session)#%d (%d) {
	- ["logicalSessionId"]=>
	- array(1) {
	- ["id"]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	- ["type"]=>
	- int(4)
	- }
	- }
	- ["clusterTime"]=>
	- NULL
	- ["causalConsistency"]=>
	- bool(false)
	- ["snapshot"]=>
	- bool(true)
	- ["operationTime"]=>
	- NULL
	- ["server"]=>
	- NULL
	- ["inTransaction"]=>
	- bool(false)
	- ["transactionState"]=>
	- string(4) "none"
	- ["transactionOptions"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-endSession-002.phpt b/mongodb-1.12.0/tests/session/session-endSession-002.phpt
	deleted file mode 100644
	index 2648f8a9..00000000
	--- a/mongodb-1.12.0/tests/session/session-endSession-002.phpt
	+++ /dev/null
	@@ -1,22 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::endSession() Calling method multiple times
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$sessionA = $manager->startSession();
	-$sessionA->endSession();
	-$sessionA->endSession();
	-$sessionA->endSession();
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-getClusterTime-001.phpt b/mongodb-1.12.0/tests/session/session-getClusterTime-001.phpt
	deleted file mode 100644
	index e8c87a20..00000000
	--- a/mongodb-1.12.0/tests/session/session-getClusterTime-001.phpt
	+++ /dev/null
	@@ -1,43 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::getClusterTime()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial cluster time:\n";
	-var_dump($session->getClusterTime());
	-
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	-echo "\nCluster time after command:\n";
	-var_dump($session->getClusterTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Initial cluster time:
	-NULL
	-
	-Cluster time after command:
	-object(stdClass)#%d (%d) {
	- ["clusterTime"]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	- }
	- ["signature"]=>
	- %a
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-getLogicalSessionId-001.phpt b/mongodb-1.12.0/tests/session/session-getLogicalSessionId-001.phpt
	deleted file mode 100644
	index 2b79565d..00000000
	--- a/mongodb-1.12.0/tests/session/session-getLogicalSessionId-001.phpt
	+++ /dev/null
	@@ -1,30 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::getLogicalSessionId()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-$lsid = $session->getLogicalSessionId();
	-
	-/* Note: we avoid dumping the Binary object as it may contain bytes that
	- * intefere with the test suite's ability to compare expected output. */
	-var_dump($lsid instanceof stdClass);
	-var_dump($lsid->id instanceof MongoDB\BSON\Binary);
	-var_dump($lsid->id->getType() === MongoDB\BSON\Binary::TYPE_UUID);
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-bool(true)
	-bool(true)
	-bool(true)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-getOperationTime-001.phpt b/mongodb-1.12.0/tests/session/session-getOperationTime-001.phpt
	deleted file mode 100644
	index 40d659ab..00000000
	--- a/mongodb-1.12.0/tests/session/session-getOperationTime-001.phpt
	+++ /dev/null
	@@ -1,38 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::getOperationTime()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto(); ?>
	-<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo "Initial operation time:\n";
	-var_dump($session->getOperationTime());
	-
	-$command = new MongoDB\Driver\Command(['ping' => 1]);
	-$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	-
	-echo "\nOperation time after command:\n";
	-var_dump($session->getOperationTime());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-Initial operation time:
	-NULL
	-
	-Operation time after command:
	-object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(%d) "%d"
	- ["timestamp"]=>
	- string(%d) "%d"
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction_error-006.phpt b/mongodb-1.12.0/tests/session/session-startTransaction_error-006.phpt
	deleted file mode 100644
	index 2956e5ba..00000000
	--- a/mongodb-1.12.0/tests/session/session-startTransaction_error-006.phpt
	+++ /dev/null
	@@ -1,26 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::startTransaction() throws an error on replicasets < 4.0
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto() ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_server_version('>=', '4.0'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo throws(function () use ($session) {
	- $session->startTransaction();
	-}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Multi-document transactions are not supported by this server version
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction_error-007.phpt b/mongodb-1.12.0/tests/session/session-startTransaction_error-007.phpt
	deleted file mode 100644
	index 61695c70..00000000
	--- a/mongodb-1.12.0/tests/session/session-startTransaction_error-007.phpt
	+++ /dev/null
	@@ -1,26 +0,0 @@
	---TEST--
	-MongoDB\Driver\Session::startTransaction() throws an error on sharded clusters < 4.2
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_libmongoc_crypto() ?>
	-<?php skip_if_not_sharded_cluster_with_replica_set(); ?>
	-<?php skip_if_server_version('<', '3.6'); ?>
	-<?php skip_if_server_version('>=', '4.2'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-$session = $manager->startSession();
	-
	-echo throws(function () use ($session) {
	- $session->startTransaction();
	-}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\RuntimeException
	-Multi-document transactions are not supported by this server version
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/standalone/executiontimeoutexception-001.phpt b/mongodb-1.12.0/tests/standalone/executiontimeoutexception-001.phpt
	deleted file mode 100644
	index 22f07556..00000000
	--- a/mongodb-1.12.0/tests/standalone/executiontimeoutexception-001.phpt
	+++ /dev/null
	@@ -1,35 +0,0 @@
	---TEST--
	-ExecutionTimeoutException: exceeding $maxTimeMS (queries)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_test_commands_disabled(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-// Select a specific server for future operations to avoid mongos switching in sharded clusters
	-$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	-
	-$query = new MongoDB\Driver\Query(array("company" => "Smith, Carter and Buckridge"), array(
	- 'projection' => array('_id' => 0, 'username' => 1),
	- 'sort' => array('phoneNumber' => 1),
	- 'modifiers' => array(
	- '$maxTimeMS' => 1,
	- ),
	-));
	-
	-failMaxTimeMS($server);
	-throws(function() use ($server, $query) {
	- $result = $server->executeQuery(NS, $query);
	-}, "MongoDB\Driver\Exception\ExecutionTimeoutException");
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\ExecutionTimeoutException
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/standalone/executiontimeoutexception-002.phpt b/mongodb-1.12.0/tests/standalone/executiontimeoutexception-002.phpt
	deleted file mode 100644
	index ddcb7bfa..00000000
	--- a/mongodb-1.12.0/tests/standalone/executiontimeoutexception-002.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-ExecutionTimeoutException: exceeding maxTimeMS (commands)
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_test_commands_disabled(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-// Select a specific server for future operations to avoid mongos switching in sharded clusters
	-$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	-
	-$cmd = array(
	- "count" => "collection",
	- "query" => array("a" => 1),
	- "maxTimeMS" => 100,
	-);
	-$command = new MongoDB\Driver\Command($cmd);
	-
	-failMaxTimeMS($server);
	-throws(function() use ($server, $command) {
	- $result = $server->executeCommand(DATABASE_NAME, $command);
	-}, "MongoDB\Driver\Exception\ExecutionTimeoutException");
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-OK: Got MongoDB\Driver\Exception\ExecutionTimeoutException
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/utils/skipif.php b/mongodb-1.12.0/tests/utils/skipif.php
	deleted file mode 100644
	index 25daccac..00000000
	--- a/mongodb-1.12.0/tests/utils/skipif.php
	+++ /dev/null
	@@ -1,484 +0,0 @@
	-<?php
	-
	-use MongoDB\Driver\Command;
	-use MongoDB\Driver\Manager;
	-use MongoDB\Driver\ReadPreference;
	-use MongoDB\Driver\Server;
	-use MongoDB\Driver\Exception\ConnectionException;
	-use MongoDB\Driver\Exception\RuntimeException;
	-
	-require_once __DIR__ . '/basic.inc';
	-require_once __DIR__ . '/tools.php';
	-
	-/**
	- * Disables SKIPIF caching (PHP 8.1+).
	- */
	-function disable_skipif_caching()
	-{
	- if (PHP_VERSION_ID < 80100) {
	- return;
	- }
	-
	- echo "nocache\n";
	-}
	-
	-/**
	- * Skips the test if the topology is load balanced.
	- */
	-function skip_if_load_balanced()
	-{
	- is_load_balanced(URI) and exit('skip topology is load balanced');
	-}
	-
	-/**
	- * Skips the test if the topology is not load balanced.
	- */
	-function skip_if_not_load_balanced()
	-{
	- is_load_balanced(URI) or exit('skip topology is not load balanced');
	-}
	-
	-/**
	- * Skips the test if the topology is a sharded cluster.
	- */
	-function skip_if_mongos()
	-{
	- is_mongos(URI) and exit('skip topology is a sharded cluster');
	-}
	-
	-/**
	- * Skips the test if the topology contains multiple mongos nodes.
	- *
	- * This is particularly useful for tests that rely on configureFailPoint, since
	- * randomized server selection can interfere with testing.
	- */
	-function skip_if_multiple_mongos()
	-{
	- $manager = create_test_manager();
	-
	- // Ensure SDAM is initialized before calling Manager::getServers()
	- $manager->selectServer(new ReadPreference('nearest'));
	-
	- $mongosNodes = array_filter($manager->getServers(), function(Server $server) {
	- return $server->getType() === Server::TYPE_MONGOS;
	- });
	-
	- if (count($mongosNodes) > 1) {
	- exit('skip topology contains multiple mongos nodes');
	- }
	-}
	-
	-/**
	- * Skips the test if the topology is not a shard cluster.
	- */
	-function skip_if_not_mongos()
	-{
	- is_mongos(URI) or exit('skip topology is not a sharded cluster');
	-}
	-
	-function skip_if_not_sharded_cluster_with_replica_set()
	-{
	- is_sharded_cluster_with_replica_set(URI) or exit('skip topology is not a sharded cluster with replica set');
	-}
	-
	-/**
	- * Skips the test if the topology is a replica set.
	- */
	-function skip_if_replica_set()
	-{
	- is_replica_set(URI) and exit('skip topology is a replica set');
	-}
	-
	-/**
	- * Skips the test if the topology is not a replica set.
	- */
	-function skip_if_not_replica_set()
	-{
	- is_replica_set(URI) or exit('skip topology is not a replica set');
	-}
	-
	-/**
	- * Skips the test if the topology is not a replica set or sharded cluster backed by replica sets
	- */
	-function skip_if_not_replica_set_or_sharded_cluster_with_replica_set()
	-{
	- is_replica_set(URI) or is_sharded_cluster_with_replica_set(URI) or exit('skip topology is not a replica set or sharded cluster with replica set');
	-}
	-
	-function skip_if_no_transactions()
	-{
	- if (is_sharded_cluster_with_replica_set(URI)) {
	- skip_if_server_version('<', '4.2');
	- } elseif (is_replica_set(URI)) {
	- skip_if_server_version('<', '4.0');
	- } else {
	- exit('skip topology does not support transactions');
	- }
	-}
	-
	-/**
	- * Skips the test if the topology has no arbiter.
	- */
	-function skip_if_no_arbiter()
	-{
	- try {
	- $primary = get_primary_server(URI);
	- } catch (ConnectionException $e) {
	- exit('skip primary server is not accessible: ' . $e->getMessage());
	- }
	- $info = $primary->getInfo();
	-
	- if (!isset($info['arbiters']) \|\| count($info['arbiters']) < 1) {
	- exit('skip no arbiters available');
	- }
	-}
	-
	-/**
	- * Skips the test if the topology has no secondary.
	- */
	-function skip_if_no_secondary()
	-{
	- try {
	- $primary = get_primary_server(URI);
	- } catch (ConnectionException $e) {
	- exit('skip primary server is not accessible: ' . $e->getMessage());
	- }
	- $info = $primary->getInfo();
	-
	- if (!isset($info['hosts']) \|\| count($info['hosts']) < 2) {
	- exit('skip no secondaries available');
	- }
	-}
	-
	-/**
	- * Skips the test if the topology does not have enough data carrying nodes
	- */
	-function skip_if_not_enough_data_nodes($requiredNodes, $maxNodeCount = null)
	-{
	- try {
	- $primary = get_primary_server(URI);
	- } catch (ConnectionException $e) {
	- exit('skip primary server is not accessible: ' . $e->getMessage());
	- }
	- $info = $primary->getInfo();
	-
	- $dataNodeCount = isset($info['hosts']) ? count($info['hosts']) : 0;
	-
	- if ($dataNodeCount < $requiredNodes) {
	- exit("skip not enough nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	- }
	- if ($maxNodeCount !== null && $dataNodeCount > $requiredNodes) {
	- exit("skip too many nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	- }
	-}
	-
	-/**
	- * Skips the test if the topology does not have enough nodes
	- */
	-function skip_if_not_enough_nodes($requiredNodes, $maxNodeCount = null)
	-{
	- try {
	- $primary = get_primary_server(URI);
	- } catch (ConnectionException $e) {
	- exit('skip primary server is not accessible: ' . $e->getMessage());
	- }
	- $info = $primary->getInfo();
	-
	- $nodeCount =
	- (isset($info['hosts']) ? count($info['hosts']) : 0) +
	- (isset($info['arbiters']) ? count($info['arbiters']) : 0);
	-
	- if ($nodeCount < $requiredNodes) {
	- exit("skip not enough nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	- }
	- if ($maxNodeCount !== null && $nodeCount > $requiredNodes) {
	- exit("skip too many nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	- }
	-}
	-
	-/**
	- * Skips the test if the topology is a standalone.
	- */
	-function skip_if_standalone()
	-{
	- is_standalone(URI) and exit('skip topology is a standalone');
	-}
	-
	-/**
	- * Skips the test if the topology is not a standalone.
	- */
	-function skip_if_not_standalone()
	-{
	- is_standalone(URI) or exit('skip topology is not a standalone');
	-}
	-
	-/**
	- * Skips the test if the connection string uses SSL.
	- */
	-function skip_if_ssl()
	-{
	- is_ssl(URI) and exit('skip URI is using SSL');
	-}
	-
	-/**
	- * Skips the test if the connection string uses SSL.
	- */
	-function skip_if_not_ssl()
	-{
	- is_ssl(URI) or exit('skip URI is not using SSL');
	-}
	-
	-/**
	- * Skips the test if no SSL directory has been defined.
	- */
	-function skip_if_no_ssl_dir()
	-{
	- $sslDir = getenv('SSL_DIR');
	- $sslDir !== false or exit('skip SSL_DIR environment variable not set');
	-
	- $sslDir = realpath($sslDir);
	- ($sslDir !== false && is_dir($sslDir)) or exit('skip SSL_DIR is not a valid directory');
	-}
	-
	-/**
	- * Skips the test if the connection string is using auth.
	- */
	-function skip_if_auth()
	-{
	- is_auth(URI) and exit('skip URI is using auth');
	-}
	-
	-/**
	- * Skips the test if the connection string is not using auth.
	- */
	-function skip_if_not_auth()
	-{
	- is_auth(URI) or exit('skip URI is not using auth');
	-}
	-
	-/**
	- * Skips the test if the connection string is not using a particular
	- * authMechanism.
	- *
	- * @param string $authMechanism
	- */
	-function skip_if_not_auth_mechanism($authMechanism)
	-{
	- $uriAuthMechanism = get_uri_option(URI, 'authMechanism');
	-
	- if ($uriAuthMechanism === null && $authMechanism !== null) {
	- exit('skip URI is not using authMechanism');
	- }
	-
	- if ($uriAuthMechanism !== $authMechanism) {
	- exit("skip URI authMechanism is '$uriAuthMechanism' (needed: '$authMechanism')");
	- }
	-}
	-
	-/**
	- * Skips the test if the server is not accessible.
	- */
	-function skip_if_not_live()
	-{
	- try {
	- get_primary_server(URI);
	- } catch (ConnectionException $e) {
	- exit('skip server is not accessible: ' . $e->getMessage());
	- }
	-}
	-
	-/**
	- * Skips the test if the server version satisfies a comparison.
	- *
	- * @see http://php.net/version_compare
	- * @param string $operator Comparison operator
	- * @param string $version Version to compare against
	- */
	-function skip_if_server_version($operator, $version)
	-{
	- $serverVersion = get_server_version(URI);
	-
	- if (version_compare($serverVersion, $version, $operator)) {
	- exit("skip Server version '$serverVersion' $operator '$version'");
	- }
	-}
	-
	-/**
	- * Skips the test if the PHP version satisfies a comparison.
	- *
	- * @see http://php.net/version_compare
	- * @param string $operator Comparison operator
	- * @param string $version Version to compare against
	- */
	-function skip_if_php_version($operator, $version)
	-{
	- if (version_compare(PHP_VERSION, $version, $operator)) {
	- exit("skip PHP version '" . PHP_VERSION . "' $operator '$version'");
	- }
	-}
	-
	-/**
	- * Skips the test if the server not using a particular storage engine.
	- *
	- * @param string $storageEngine Storage engine name
	- */
	-function skip_if_not_server_storage_engine($storageEngine)
	-{
	- $serverStorageEngine = get_server_storage_engine(URI);
	-
	- if ($serverStorageEngine !== $storageEngine) {
	- exit("skip Server storage engine is '$serverStorageEngine' (needed '$storageEngine')");
	- }
	-}
	-
	-/**
	- * Skips the test if the server does not support the sleep command.
	- */
	-function skip_if_sleep_command_unavailable()
	-{
	- if (!command_works(URI, ['sleep' => 1, 'secs' => 1, 'w' => false])) {
	- exit('skip sleep command not available');
	- }
	-}
	-
	-/**
	- * Skips the test if the server does not support test commands.
	- */
	-function skip_if_test_commands_disabled()
	-{
	- if (!get_server_parameter(URI, 'enableTestCommands')) {
	- exit('skip test commands are disabled');
	- }
	-}
	-
	-/**
	- * Skips the test if libmongoc does not support crypto.
	- *
	- * If one or more libaries are provided, additionally check that the reported
	- * library is in that array. Possible values are "libcrypto", "Common Crypto",
	- * and "CNG".
	- *
	- * @param array $libs Optional list of crypto libraries to require
	- */
	-function skip_if_not_libmongoc_crypto(array $libs = [])
	-{
	- $lib = get_module_info('libmongoc crypto library');
	-
	- if ($lib === null) {
	- exit('skip libmongoc crypto is not enabled');
	- }
	-
	- if (!empty($libs) && !in_array($lib, $libs)) {
	- exit('skip Needs libmongoc crypto library ' . implode(', ', $libs) . ', but found ' . $lib);
	- }
	-}
	-
	-/**
	- * Skips the test if libmongoc does not support SSL.
	- *
	- * If one or more libaries are provided, additionally check that the reported
	- * library is in that array. Possible values are "OpenSSL", "LibreSSL",
	- * "Secure Transport", and "Secure Channel".
	- *
	- * @param array $libs Optional list of SSL libraries to require
	- */
	-function skip_if_not_libmongoc_ssl(array $libs = [])
	-{
	- $lib = get_module_info('libmongoc SSL library');
	-
	- if ($lib === null) {
	- exit('skip libmongoc SSL is not enabled');
	- }
	-
	- if (!empty($libs) && !in_array($lib, $libs)) {
	- exit('skip Needs libmongoc SSL library ' . implode(', ', $libs) . ', but found ' . $lib);
	- }
	-}
	-
	-/**
	- * Skips the test if the driver was not compiled with support for FLE
	- */
	-function skip_if_not_libmongocrypt()
	-{
	- $lib = get_module_info('libmongocrypt');
	-
	- if ($lib === 'disabled') {
	- exit('skip libmongocrypt is not enabled');
	- }
	-}
	-
	-/**
	- * Skips the test if the driver was compiled with support for FLE
	- */
	-function skip_if_libmongocrypt()
	-{
	- $lib = get_module_info('libmongocrypt');
	-
	- if ($lib !== 'disabled') {
	- exit('skip libmongocrypt is enabled');
	- }
	-}
	-
	-/**
	- * Skips the test if the collection cannot be dropped.
	- *
	- * @param string $databaseName Database name
	- * @param string $collectionName Collection name
	- */
	-function skip_if_not_clean($databaseName = DATABASE_NAME, $collectionName = COLLECTION_NAME)
	-{
	- try {
	- drop_collection(URI, $databaseName, $collectionName);
	- } catch (RuntimeException $e) {
	- exit("skip Could not drop '$databaseName.$collectionName': " . $e->getMessage());
	- }
	-
	- /* Since this function modifies the state of the database, we need it to run
	- * each time before a test. */
	- disable_skipif_caching();
	-}
	-
	-function skip_if_no_getmore_failpoint()
	-{
	- $serverVersion = get_server_version(URI);
	-
	- if (
	- version_compare($serverVersion, '3.2', '>=') &&
	- version_compare($serverVersion, '4.0', '<')
	- ) {
	- exit("skip Server version '$serverVersion' does not support a getMore failpoint'");
	- }
	-}
	-
	-function skip_if_no_failcommand_failpoint()
	-{
	- skip_if_test_commands_disabled();
	-
	- $serverVersion = get_server_version(URI);
	-
	- if (is_mongos(URI) && version_compare($serverVersion, '4.1.8', '<')) {
	- exit("skip mongos version '$serverVersion' does not support 'failCommand' failpoint'");
	- } elseif (version_compare($serverVersion, '4.0', '<')) {
	- exit("skip mongod version '$serverVersion' does not support 'failCommand' failpoint'");
	- }
	-}
	-
	-function skip_if_no_mongo_orchestration()
	-{
	- $ctx = stream_context_create(['http' => ['timeout' => 0.5]]);
	- $result = @file_get_contents(MONGO_ORCHESTRATION_URI, false, $ctx);
	-
	- /* Note: file_get_contents emits an E_WARNING on failure, which will be
	- * caught by the error handler in basic-skipif.inc. In that case, this may
	- * never be reached. */
	- if ($result === false) {
	- exit("skip mongo-orchestration is not accessible: '" . MONGO_ORCHESTRATION_URI . "'");
	- }
	-}
	-
	-function skip_if_appveyor()
	-{
	- if (getenv('APPVEYOR')) {
	- exit('skip Test cannot be run on AppVeyor');
	- }
	-}
	diff --git a/mongodb-1.12.0/tests/utils/tools.php b/mongodb-1.12.0/tests/utils/tools.php
	deleted file mode 100644
	index bbd4a3ca..00000000
	--- a/mongodb-1.12.0/tests/utils/tools.php
	+++ /dev/null
	@@ -1,852 +0,0 @@
	-<?php
	-
	-use MongoDB\Driver\BulkWrite;
	-use MongoDB\Driver\Command;
	-use MongoDB\Driver\Manager;
	-use MongoDB\Driver\ReadPreference;
	-use MongoDB\Driver\Server;
	-use MongoDB\Driver\ServerApi;
	-use MongoDB\Driver\WriteConcern;
	-use MongoDB\Driver\WriteConcernError;
	-use MongoDB\Driver\WriteError;
	-use MongoDB\Driver\WriteResult;
	-use MongoDB\Driver\Exception\ConnectionException;
	-use MongoDB\Driver\Exception\RuntimeException;
	-
	-/**
	- * Appends an option to a URI string and returns a new URI.
	- *
	- * @param string $uri
	- * @param string $option
	- * @param string $value
	- * @return string
	- */
	-function append_uri_option($uri, $option)
	-{
	- // Append to existing query string
	- if (strpos($uri, '?') !== false) {
	- return $uri . '&' . $option;
	- }
	-
	- // Terminate host list and append new query string
	- if (parse_url($uri, PHP_URL_PATH) === null) {
	- return $uri . '/?' . $option;
	- }
	-
	- // Append query string after terminated host list and possible auth database
	- return $uri . '?' . $option;
	-}
	-
	-/**
	- * Drops a collection on the primary server.
	- *
	- * @param string $uri Connection string
	- * @param string $databaseName Database name
	- * @param string $collectionName Collection name
	- * @throws RuntimeException
	- */
	-function drop_collection($uri, $databaseName, $collectionName)
	-{
	- $server = get_primary_server($uri);
	- $command = new Command(['drop' => $collectionName]);
	-
	- try {
	- /* Unless we are dropping a collection within the "local" database,
	- * which does not support a write concern, we need to use w:majority due
	- * to the issue explained in SERVER-35613: "drop" uses a two phase
	- * commit, and due to that, it is possible that a lock can't be acquired
	- * for a transaction that gets quickly started as the "drop" reaper
	- * hasn't completed yet. */
	- $wc = $databaseName === 'local' ? new WriteConcern(1) : new WriteConcern(WriteConcern::MAJORITY);
	-
	- $server->executeCommand(
	- $databaseName,
	- $command,
	- ['writeConcern' => $wc]
	- );
	- } catch (RuntimeException $e) {
	- if ($e->getMessage() !== 'ns not found') {
	- throw $e;
	- }
	- }
	-}
	-
	-/**
	- * Returns the value of a module row from phpinfo(), or null if it's not found.
	- *
	- * @param string $row
	- * @return string\|null
	- */
	-function get_module_info($row)
	-{
	- ob_start();
	- phpinfo(INFO_MODULES);
	- $info = ob_get_clean();
	-
	- $pattern = sprintf('/^%s([\w ]+)$/m', preg_quote($row . ' => '));
	-
	- if (preg_match($pattern, $info, $matches) !== 1) {
	- return null;
	- }
	-
	- return $matches[1];
	-}
	-
	-function create_test_manager(string $uri = null, array $options = [], array $driverOptions = [])
	-{
	- if (getenv('API_VERSION') && ! isset($driverOptions['serverApi'])) {
	- $driverOptions['serverApi'] = new ServerApi(getenv('API_VERSION'));
	- }
	-
	- return new Manager($uri ?? URI, $options, $driverOptions);
	-}
	-
	-/**
	- * Returns the primary server.
	- *
	- * @param string $uri Connection string
	- * @return Server
	- * @throws ConnectionException
	- */
	-function get_primary_server($uri)
	-{
	- return create_test_manager($uri)->selectServer(new ReadPreference('primary'));
	-}
	-
	-/**
	- * Returns a secondary server.
	- *
	- * @param string $uri Connection string
	- * @return Server
	- * @throws ConnectionException
	- */
	-function get_secondary_server($uri)
	-{
	- return create_test_manager($uri)->selectServer(new ReadPreference('secondary'));
	-}
	-
	-/**
	- * Runs a command and returns whether an exception was thrown or not
	- *
	- * @param string $uri Connection string
	- * @param array\|object $commandSpec
	- * @return bool
	- * @throws RuntimeException
	- */
	-function command_works($uri, $commandSpec)
	-{
	- $command = new Command($commandSpec);
	- $server = get_primary_server($uri);
	- try {
	- $cursor = $server->executeCommand('admin', $command);
	- return true;
	- } catch (Exception $e) {
	- return false;
	- }
	-}
	-
	-/**
	- * Returns a parameter of the primary server.
	- *
	- * @param string $uri Connection string
	- * @return mixed
	- * @throws RuntimeException
	- */
	-function get_server_parameter($uri, $parameter)
	-{
	- $server = get_primary_server($uri);
	- $command = new Command(['getParameter' => 1, $parameter => 1]);
	- $cursor = $server->executeCommand('admin', $command);
	-
	- return current($cursor->toArray())->$parameter;
	-}
	-
	-/**
	- * Returns the storage engine of the primary server.
	- *
	- * @param string $uri Connection string
	- * @return string
	- * @throws RuntimeException
	- */
	-function get_server_storage_engine($uri)
	-{
	- $server = get_primary_server($uri);
	- $command = new Command(['serverStatus' => 1]);
	- $cursor = $server->executeCommand('admin', $command);
	-
	- return current($cursor->toArray())->storageEngine->name;
	-}
	-
	-/**
	- * Helper to return the version of a specific server.
	- *
	- * @param Server $server
	- * @return string
	- * @throws RuntimeException
	- */
	-function get_server_version_from_server(Server $server)
	-{
	- $command = new Command(['buildInfo' => 1]);
	- $cursor = $server->executeCommand('admin', $command);
	-
	- return current($cursor->toArray())->version;
	-}
	-
	-/**
	- * Returns the version of the primary server.
	- *
	- * @param string $uri Connection string
	- * @return string
	- * @throws RuntimeException
	- */
	-function get_server_version($uri)
	-{
	- $server = get_primary_server($uri);
	- return get_server_version_from_server($server);
	-}
	-
	-/**
	- * Returns the value of a URI option, or null if it's not found.
	- *
	- * @param string $uri
	- * @return string\|null
	- */
	-function get_uri_option($uri, $option)
	-{
	- $pattern = sprintf('/[?&]%s=([^&]+)/i', preg_quote($option));
	-
	- if (preg_match($pattern, $uri, $matches) !== 1) {
	- return null;
	- }
	-
	- return $matches[1];
	-}
	-
	-/**
	- * Checks that the topology is load balanced.
	- *
	- * @param string $uri
	- * @return boolean
	- */
	-function is_load_balanced($uri)
	-{
	- return get_primary_server($uri)->getType() === Server::TYPE_LOAD_BALANCER;
	-}
	-
	-/**
	- * Checks that the topology is a sharded cluster.
	- *
	- * @param string $uri
	- * @return boolean
	- */
	-function is_mongos($uri)
	-{
	- return get_primary_server($uri)->getType() === Server::TYPE_MONGOS;
	-}
	-
	-/**
	- * Checks that the topology is a sharded cluster using a replica set.
	- *
	- * Note: only the first shard is checked.
	- */
	-function is_sharded_cluster_with_replica_set($uri)
	-{
	- $server = get_primary_server($uri);
	-
	- if ($server->getType() !== Server::TYPE_MONGOS && $server->getType() !== Server::TYPE_LOAD_BALANCER) {
	- return false;
	- }
	-
	- $cursor = $server->executeQuery('config.shards', new \MongoDB\Driver\Query([], ['limit' => 1]));
	- $cursor->setTypeMap(['root' => 'array', 'document' => 'array']);
	- $document = current($cursor->toArray());
	-
	- if (! $document) {
	- return false;
	- }
	-
	- /**
	- * Use regular expression to distinguish between standalone or replicaset:
	- * Without a replicaset: "host" : "localhost:4100"
	- * With a replicaset: "host" : "dec6d8a7-9bc1-4c0e-960c-615f860b956f/localhost:4400,localhost:4401"
	- */
	- return preg_match('@^./.:\d+@', $document['host']);
	-}
	-
	-/**
	- * Checks that the topology is a replica set.
	- *
	- * @param string $uri
	- * @return boolean
	- */
	-function is_replica_set($uri)
	-{
	- if (get_primary_server($uri)->getType() !== Server::TYPE_RS_PRIMARY) {
	- return false;
	- }
	-
	- /* Note: this may return a false negative if replicaSet is specified through
	- * a TXT record for a mongodb+srv connection string. */
	- if (get_uri_option($uri, 'replicaSet') === NULL) {
	- return false;
	- }
	-
	- return true;
	-}
	-
	-/**
	- * Checks if the connection string uses authentication.
	- *
	- * @param string $uri
	- * @return boolean
	- */
	-function is_auth($uri)
	-{
	- if (stripos($uri, 'authmechanism=') !== false) {
	- return true;
	- }
	-
	- if (strpos($uri, ':') !== false && strpos($uri, '@') !== false) {
	- return true;
	- }
	-
	- return false;
	-}
	-
	-/**
	- * Checks if the connection string uses SSL.
	- *
	- * @param string $uri
	- * @return boolean
	- */
	-function is_ssl($uri)
	-{
	- return stripos($uri, 'ssl=true') !== false \|\| stripos($uri, 'tls=true') !== false;
	-}
	-
	-/**
	- * Checks that the topology is a standalone.
	- *
	- * @param string $uri
	- * @return boolean
	- */
	-function is_standalone($uri)
	-{
	- return get_primary_server($uri)->getType() === Server::TYPE_STANDALONE;
	-}
	-
	-/**
	- * Converts the server type constant to a string.
	- *
	- * @see http://php.net/manual/en/class.mongodb-driver-server.php
	- * @param integer $type
	- * @return string
	- */
	-function server_type_as_string($type)
	-{
	- switch ($type) {
	- case Server::TYPE_STANDALONE:
	- return 'Standalone';
	- case Server::TYPE_MONGOS:
	- return 'Mongos';
	- case Server::TYPE_POSSIBLE_PRIMARY:
	- return 'PossiblePrimary';
	- case Server::TYPE_RS_PRIMARY:
	- return 'RSPrimary';
	- case Server::TYPE_RS_SECONDARY:
	- return 'RSSecondary';
	- case Server::TYPE_RS_ARBITER:
	- return 'RSArbiter';
	- case Server::TYPE_RS_OTHER:
	- return 'RSOther';
	- case Server::TYPE_RS_GHOST:
	- return 'RSGhost';
	- default:
	- return 'Unknown';
	- }
	-}
	-
	-/**
	- * Converts an errno number to a string.
	- *
	- * @see http://php.net/manual/en/errorfunc.constants.php
	- * @param integer $errno
	- * @param string
	- */
	-function errno_as_string($errno)
	-{
	- $errors = [
	- 'E_ERROR',
	- 'E_WARNING',
	- 'E_PARSE',
	- 'E_NOTICE',
	- 'E_CORE_ERROR',
	- 'E_CORE_WARNING',
	- 'E_COMPILE_ERROR',
	- 'E_COMPILE_WARNING',
	- 'E_USER_ERROR',
	- 'E_USER_WARNING',
	- 'E_USER_NOTICE',
	- 'E_STRICT',
	- 'E_RECOVERABLE_ERROR',
	- 'E_DEPRECATED',
	- 'E_USER_DEPRECATED',
	- 'E_ALL',
	- ];
	-
	- foreach ($errors as $error) {
	- if ($errno === constant($error)) {
	- return $error;
	- }
	- }
	-
	- return 'Unknown';
	-}
	-
	-/**
	- * Prints a traditional hex dump of byte values and printable characters.
	- *
	- * @see http://stackoverflow.com/a/4225813/162228
	- * @param string $data Binary data
	- * @param integer $width Bytes displayed per line
	- */
	-function hex_dump($data, $width = 16)
	-{
	- static $pad = '.'; // Placeholder for non-printable characters
	- static $from = '';
	- static $to = '';
	-
	- if ($from === '') {
	- for ($i = 0; $i <= 0xFF; $i++) {
	- $from .= chr($i);
	- $to .= ($i >= 0x20 && $i <= 0x7E) ? chr($i) : $pad;
	- }
	- }
	-
	- $hex = str_split(bin2hex($data), $width * 2);
	- $chars = str_split(strtr($data, $from, $to), $width);
	-
	- $offset = 0;
	- $length = $width * 3;
	-
	- foreach ($hex as $i => $line) {
	- printf("%6X : %-{$length}s [%s]\n", $offset, implode(' ', str_split($line, 2)), $chars[$i]);
	- $offset += $width;
	- }
	-}
	-
	-/**
	- * Canonicalizes a JSON string.
	- *
	- * @param string $json
	- * @return string
	- */
	-function json_canonicalize($json)
	-{
	- $json = json_encode(json_decode($json));
	-
	- /* Versions of PHP before 7.1 replace empty JSON keys with "_empty_" when
	- * decoding to a stdClass (see: https://bugs.php.net/bug.php?id=46600). Work
	- * around this by replacing "_empty_" keys before returning.
	- */
	- $json = str_replace('"_empty_":', '"":', $json);
	-
	- /* Canonicalize string values for $numberDouble to ensure they are converted
	- * the same as number literals in legacy and relaxed output. This is needed
	- * because the printf format in _bson_as_json_visit_double uses a high level
	- * of precision and may not produce the exponent notation expected by the
	- * BSON corpus tests. */
	- $json = preg_replace_callback(
	- '/{"\$numberDouble":"(-?\d+(\.\d+([eE]\+\d+)?)?)"}/',
	- function ($matches) {
	- return '{"$numberDouble":"' . json_encode(json_decode($matches[1])) . '"}';
	- },
	- $json
	- );
	-
	- return $json;
	-}
	-
	-/**
	- * Return a collection name to use for the test file.
	- *
	- * The filename will be stripped of the base path to the test suite (prefix) as
	- * well as the PHP file extension (suffix). Special characters (including hyphen
	- * for shell compatibility) will be replaced with underscores.
	- *
	- * @param string $filename
	- * @return string
	- */
	-function makeCollectionNameFromFilename($filename)
	-{
	- $filename = realpath($filename);
	- $prefix = realpath(dirname(__FILE__) . '/..') . DIRECTORY_SEPARATOR;
	-
	- $replacements = array(
	- // Strip test path prefix
	- sprintf('/^%s/', preg_quote($prefix, '/')) => '',
	- // Strip file extension suffix
	- '/\.php$/' => '',
	- // SKIPIFs add ".skip" between base name and extension
	- '/\.skip$/' => '',
	- // Replace special characters with underscores
	- sprintf('/[%s]/', preg_quote('-$/\\', '/')) => '_',
	- );
	-
	- return preg_replace(array_keys($replacements), array_values($replacements), $filename);
	-}
	-
	-function NEEDS($configuration) {
	- if (!constant($configuration)) {
	- exit("skip -- need '$configuration' defined");
	- }
	-}
	-function SLOW() {
	- if (getenv("SKIP_SLOW_TESTS")) {
	- exit("skip SKIP_SLOW_TESTS");
	- }
	-}
	-
	-function loadFixtures(Manager $manager, $dbname = DATABASE_NAME, $collname = COLLECTION_NAME, $filename = null)
	-{
	- if (!$filename) {
	- $filename = "compress.zlib://" . __DIR__ . "/" . "PHONGO-FIXTURES.json.gz";
	- }
	-
	- $bulk = new BulkWrite(['ordered' => false]);
	-
	- $server = $manager->selectServer(new ReadPreference(ReadPreference::RP_PRIMARY));
	-
	- $data = file_get_contents($filename);
	- $array = json_decode($data);
	-
	- foreach($array as $document) {
	- $bulk->insert($document);
	- }
	-
	- $retval = $server->executeBulkWrite("$dbname.$collname", $bulk);
	-
	- if ($retval->getInsertedCount() !== count($array)) {
	- exit(sprintf('skip Fixtures were not loaded (expected: %d, actual: %d)', $total, $retval->getInsertedCount()));
	- }
	-}
	-
	-function createTemporaryMongoInstance(array $options = [])
	-{
	- $id = 'mo_' . COLLECTION_NAME;
	- $options += [
	- "name" => "mongod",
	- "id" => $id,
	- 'procParams' => [
	- 'logpath' => "/tmp/MO/phongo/{$id}.log",
	- 'ipv6' => true,
	- 'setParameter' => [ 'enableTestCommands' => 1 ],
	- ],
	- ];
	- $opts = array(
	- "http" => array(
	- "timeout" => 60,
	- "method" => "PUT",
	- "header" => "Accept: application/json\r\n" .
	- "Content-type: application/x-www-form-urlencoded",
	- "content" => json_encode($options),
	- "ignore_errors" => true,
	- ),
	- );
	- $ctx = stream_context_create($opts);
	- $json = file_get_contents(MONGO_ORCHESTRATION_URI . "/servers/$id", false, $ctx);
	- $result = json_decode($json, true);
	-
	- /* Failed -- or was already started */
	- if (!isset($result["mongodb_uri"])) {
	- destroyTemporaryMongoInstance($id);
	- throw new Exception("Could not start temporary server instance\n");
	- } else {
	- return $result['mongodb_uri'];
	- }
	-}
	-
	-function destroyTemporaryMongoInstance($id = NULL)
	-{
	- if ($id == NULL) {
	- $id = 'mo_' . COLLECTION_NAME;
	- }
	-
	- $opts = array(
	- "http" => array(
	- "timeout" => 60,
	- "method" => "DELETE",
	- "header" => "Accept: application/json\r\n",
	- "ignore_errors" => true,
	- ),
	- );
	- $ctx = stream_context_create($opts);
	- $json = file_get_contents(MONGO_ORCHESTRATION_URI . "/servers/$id", false, $ctx);
	-}
	-
	-/**
	- * Converts an error level (constant or bitmask) to a string description.
	- */
	-function severityToString(int $severity): string {
	- static $constants = [
	- 'E_ERROR' => E_ERROR,
	- 'E_WARNING' => E_WARNING,
	- 'E_PARSE' => E_PARSE,
	- 'E_NOTICE' => E_NOTICE,
	- 'E_CORE_ERROR' => E_CORE_ERROR,
	- 'E_CORE_WARNING' => E_CORE_WARNING,
	- 'E_COMPILE_ERROR' => E_COMPILE_ERROR,
	- 'E_COMPILE_WARNING' => E_COMPILE_WARNING,
	- 'E_USER_ERROR' => E_USER_ERROR,
	- 'E_USER_WARNING' => E_USER_WARNING,
	- 'E_USER_NOTICE' => E_USER_NOTICE,
	- 'E_STRICT' => E_STRICT,
	- 'E_RECOVERABLE_ERROR' => E_RECOVERABLE_ERROR,
	- 'E_DEPRECATED' => E_DEPRECATED,
	- 'E_USER_DEPRECATED' => E_USER_DEPRECATED,
	- // E_ALL is handled separately
	- ];
	-
	- if ($severity === E_ALL) {
	- return 'E_ALL';
	- }
	-
	- foreach ($constants as $constant => $value) {
	- if ($severity & $value) {
	- $matches[] = $constant;
	- }
	- }
	-
	- return empty($matches) ? 'UNKNOWN' : implode('\|', $matches);
	-}
	-
	-/**
	- * Expects the callable to raise an error matching the expected severity, which
	- * may be a constant or bitmask. May optionally expect the error to be raised
	- * from a particular function. Returns the message from the raised error or
	- * exception, or an empty string if neither was thrown.
	- */
	-function raises(callable $callable, int $expectedSeverity, string $expectedFromFunction = null): string
	-{
	- set_error_handler(function(int $severity, string $message, string $file, int $line) {
	- throw new ErrorException($message, 0, $severity, $file, $line);
	- });
	-
	- try {
	- call_user_func($callable);
	- } catch (ErrorException $e) {
	- if (!($e->getSeverity() & $expectedSeverity)) {
	- printf("ALMOST: Got %s - expected %s\n", severityToString($e->getSeverity()), severityToString($expectedSeverity));
	- return $e->getMessage();
	- }
	-
	- if ($expectedFromFunction === null) {
	- printf("OK: Got %s\n", severityToString($e->getSeverity()));
	- return $e->getMessage();
	- }
	-
	- $fromFunction = $e->getTrace()[0]['function'];
	-
	- if (strcasecmp($fromFunction, $expectedFromFunction) !== 0) {
	- printf("ALMOST: Got %s - but was raised from %s, not %s\n", errorLevelToString($e->getSeverity()), $fromFunction, $expectedFromFunction);
	- return $e->getMessage();
	- }
	-
	- printf("OK: Got %s raised from %s\n", severityToString($e->getSeverity()), $fromFunction);
	- return $e->getMessage();
	- } catch (Throwable $e) {
	- printf("ALMOST: Got %s - expected %s\n", get_class($e), ErrorException::class);
	- return $e->getMessage();
	- } finally {
	- restore_error_handler();
	- }
	-
	- printf("FAILED: Expected %s, but no error raised!\n", ErrorException::class);
	- return '';
	-}
	-
	-/**
	- * Expects the callable to throw an expected exception. May optionally expect
	- * the exception to be thrown from a particular function. Returns the message
	- * from the thrown exception, or an empty string if one was not thrown.
	- */
	-function throws(callable $callable, string $expectedException, string $expectedFromFunction = null): string
	-{
	- try {
	- call_user_func($callable);
	- } catch (Throwable $e) {
	- if (!($e instanceof $expectedException)) {
	- printf("ALMOST: Got %s - expected %s\n", get_class($e), $expectedException);
	- return $e->getMessage();
	- }
	-
	- if ($expectedFromFunction === null) {
	- printf("OK: Got %s\n", $expectedException);
	- return $e->getMessage();
	- }
	-
	- $fromFunction = $e->getTrace()[0]['function'];
	-
	- if (strcasecmp($fromFunction, $expectedFromFunction) !== 0) {
	- printf("ALMOST: Got %s - but was thrown from %s, not %s\n", $expectedException, $fromFunction, $expectedFromFunction);
	- return $e->getMessage();
	- }
	-
	- printf("OK: Got %s thrown from %s\n", $expectedException, $fromFunction);
	- return $e->getMessage();
	- }
	-
	- printf("FAILED: Expected %s, but no exception thrown!\n", $expectedException);
	- return '';
	-}
	-
	-function printServer(Server $server)
	-{
	- printf("server: %s:%d\n", $server->getHost(), $server->getPort());
	-}
	-
	-function printWriteResult(WriteResult $result, $details = true)
	-{
	- printServer($result->getServer());
	-
	- printf("insertedCount: %d\n", $result->getInsertedCount());
	- printf("matchedCount: %d\n", $result->getMatchedCount());
	- printf("modifiedCount: %d\n", $result->getModifiedCount());
	- printf("upsertedCount: %d\n", $result->getUpsertedCount());
	- printf("deletedCount: %d\n", $result->getDeletedCount());
	-
	- foreach ($result->getUpsertedIds() as $index => $id) {
	- printf("upsertedId[%d]: ", $index);
	- var_dump($id);
	- }
	-
	- $writeConcernError = $result->getWriteConcernError();
	- printWriteConcernError($writeConcernError ? $writeConcernError : null, $details);
	-
	- foreach ($result->getWriteErrors() as $writeError) {
	- printWriteError($writeError);
	- }
	-}
	-
	-function printWriteConcernError(WriteConcernError $error = null, $details)
	-{
	- if ($error) {
	- /* This stuff is generated by the server, no need for us to test it */
	- if (!$details) {
	- printf("writeConcernError: %s (%d)\n", $error->getMessage(), $error->getCode());
	- return;
	- }
	- var_dump($error);
	- printf("writeConcernError.message: %s\n", $error->getMessage());
	- printf("writeConcernError.code: %d\n", $error->getCode());
	- printf("writeConcernError.info: ");
	- var_dump($error->getInfo());
	- }
	-}
	-
	-function printWriteError(WriteError $error)
	-{
	- var_dump($error);
	- printf("writeError[%d].message: %s\n", $error->getIndex(), $error->getMessage());
	- printf("writeError[%d].code: %d\n", $error->getIndex(), $error->getCode());
	-}
	-
	-function getInsertCount($retval) {
	- return $retval->getInsertedCount();
	-}
	-function getModifiedCount($retval) {
	- return $retval->getModifiedCount();
	-}
	-function getDeletedCount($retval) {
	- return $retval->getDeletedCount();
	-}
	-function getUpsertedCount($retval) {
	- return $retval->getUpsertedCount();
	-}
	-function getWriteErrors($retval) {
	- return (array)$retval->getWriteErrors();
	-}
	-
	-function def($arr) {
	- foreach($arr as $const => $value) {
	- define($const, getenv("PHONGO_TEST_$const") ?: $value);
	- }
	-}
	-
	-function configureFailPoint(Manager $manager, $failPoint, $mode, array $data = [])
	-{
	- $doc = [
	- 'configureFailPoint' => $failPoint,
	- 'mode' => $mode,
	- ];
	- if ($data) {
	- $doc['data'] = $data;
	- }
	-
	- $cmd = new Command($doc);
	- $manager->executeCommand('admin', $cmd);
	-}
	-
	-function configureTargetedFailPoint(Server $server, $failPoint, $mode, array $data = [])
	-{
	- $doc = array(
	- 'configureFailPoint' => $failPoint,
	- 'mode' => $mode,
	- );
	- if ($data) {
	- $doc['data'] = $data;
	- }
	-
	- $cmd = new Command($doc);
	- $server->executeCommand('admin', $cmd);
	-}
	-
	-function failMaxTimeMS(Server $server)
	-{
	- configureTargetedFailPoint($server, 'maxTimeAlwaysTimeOut', [ 'times' => 1 ]);
	-}
	-
	-function toPHP($var, $typemap = array()) {
	- return MongoDB\BSON\toPHP($var, $typemap);
	-}
	-function fromPHP($var) {
	- return MongoDB\BSON\fromPHP($var);
	-}
	-function toJSON($var) {
	- return MongoDB\BSON\toJSON($var);
	-}
	-function toCanonicalExtendedJSON($var) {
	- return MongoDB\BSON\toCanonicalExtendedJSON($var);
	-}
	-function toRelaxedExtendedJSON($var) {
	- return MongoDB\BSON\toRelaxedExtendedJSON($var);
	-}
	-function fromJSON($var) {
	- return MongoDB\BSON\fromJSON($var);
	-}
	-
	-/* Note: this fail point may terminate the mongod process, so you may want to
	- * use this in conjunction with a throwaway server. */
	-function failGetMore(Manager $manager)
	-{
	- /* We need to do version detection here */
	- $primary = $manager->selectServer(new ReadPreference('primary'));
	- $version = get_server_version_from_server($primary);
	-
	- if (version_compare($version, "3.2", "<")) {
	- configureFailPoint($manager, 'failReceivedGetmore', 'alwaysOn');
	- return;
	- }
	-
	- if (version_compare($version, "4.0", ">=")) {
	- /* We use 237 here, as that's the same original code that MongoD would
	- * throw if a cursor had already gone by the time we call getMore. This
	- * allows us to make things consistent with the getMore OP behaviour
	- * from previous mongod versions. An errorCode is required here for the
	- * failPoint to work. */
	- configureFailPoint($manager, 'failCommand', 'alwaysOn', [ 'errorCode' => 237, 'failCommands' => ['getMore'] ]);
	- return;
	- }
	-
	- throw new Exception("Trying to configure a getMore fail point for a server version ($version) that doesn't support it");
	-}
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-debug-001.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-debug-001.phpt
	deleted file mode 100644
	index ed60f2be..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-debug-001.phpt
	+++ /dev/null
	@@ -1,36 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError debug output
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-
	-try {
	- /* We assume that the replica set does not have 12 nodes */
	- $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	-} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\WriteConcernError)#%d (%d) {
	- ["message"]=>
	- string(29) "Not enough data-bearing nodes"
	- ["code"]=>
	- int(100)
	- ["info"]=>
	- NULL
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-debug-002.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-debug-002.phpt
	deleted file mode 100644
	index 4616b182..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-debug-002.phpt
	+++ /dev/null
	@@ -1,41 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError debug output
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php SLOW(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-for ($i = 0; $i < 6; $i++) {
	- $bulk->insert(['x' => $i, 'y' => str_repeat('a', 4194304)]);
	-}
	-
	-try {
	- $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(2, 1));
	-} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(MongoDB\Driver\WriteConcernError)#%d (%d) {
	- ["message"]=>
	- string(33) "waiting for replication timed out"
	- ["code"]=>
	- int(64)
	- ["info"]=>
	- object(stdClass)#%d (%d) {
	- ["wtimeout"]=>
	- bool(true)
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getcode-001.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getcode-001.phpt
	deleted file mode 100644
	index f8cc93c3..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getcode-001.phpt
	+++ /dev/null
	@@ -1,29 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError::getCode()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-
	-try {
	- /* We assume that the replica set does not have 12 nodes */
	- $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	-} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError()->getCode());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-int(100)
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-001.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-001.phpt
	deleted file mode 100644
	index 2e148b75..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-001.phpt
	+++ /dev/null
	@@ -1,29 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError::getInfo()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-
	-try {
	- /* We assume that the replica set does not have 12 nodes */
	- $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	-} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError()->getInfo());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-NULL
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-002.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-002.phpt
	deleted file mode 100644
	index 56e67ea5..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-002.phpt
	+++ /dev/null
	@@ -1,34 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError::getInfo()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php SLOW(); ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-for ($i = 0; $i < 6; $i++) {
	- $bulk->insert(['x' => $i, 'y' => str_repeat('a', 4194304)]);
	-}
	-
	-try {
	- $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(2, 1));
	-} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError()->getInfo());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-object(stdClass)#%d (%d) {
	- ["wtimeout"]=>
	- bool(true)
	-}
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-003.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-003.phpt
	deleted file mode 100644
	index 9650abd5..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getinfo-003.phpt
	+++ /dev/null
	@@ -1,63 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError::getInfo() exposes writeConcernError.errInfo
	---DESCRIPTION--
	-CRUD spec prose test #1
	-https://github.com/mongodb/specifications/blob/master/source/crud/tests/README.rst#writeconcernerror-details-exposes-writeconcernerror-errinfo
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_no_failcommand_failpoint(); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-// Select a specific server for future operations to avoid mongos switching in sharded clusters
	-$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	-
	-configureTargetedFailPoint(
	- $server,
	- 'failCommand',
	- [ 'times' => 1],
	- [
	- 'failCommands' => ['insert'],
	- 'writeConcernError' => [
	- 'code' => 100,
	- 'codeName' => 'UnsatisfiableWriteConcern',
	- 'errmsg' => 'Not enough data-bearing nodes',
	- 'errInfo' => [
	- 'writeConcern' => [
	- 'w' => 2,
	- 'wtimeout' => 0,
	- 'provenance' => 'clientSupplied',
	- ],
	- ],
	- ],
	- ]
	-);
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['_id' => 1]);
	-
	-try {
	- $server->executeBulkWrite(NS, $bulk);
	-} catch (MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError()->getInfo());
	-}
	-
	-?>
	-===DONE===
	---EXPECTF--
	-object(stdClass)#%d (%d) {
	- ["writeConcern"]=>
	- object(stdClass)#%d (%d) {
	- ["w"]=>
	- int(2)
	- ["wtimeout"]=>
	- int(0)
	- ["provenance"]=>
	- string(14) "clientSupplied"
	- }
	-}
	-===DONE===
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getmessage-001.phpt b/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getmessage-001.phpt
	deleted file mode 100644
	index c2de53f5..00000000
	--- a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror-getmessage-001.phpt
	+++ /dev/null
	@@ -1,29 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteConcernError::getMessage()
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_replica_set(); ?>
	-<?php skip_if_server_version('>=', '3.1'); ?>
	-<?php skip_if_not_clean(); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-$bulk->insert(['x' => 1]);
	-
	-try {
	- /* We assume that the replica set does not have 12 nodes */
	- $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	-} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	- var_dump($e->getWriteResult()->getWriteConcernError()->getMessage());
	-}
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECT--
	-string(29) "Not enough data-bearing nodes"
	-===DONE===
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getupsertedids-002.phpt b/mongodb-1.12.0/tests/writeResult/writeresult-getupsertedids-002.phpt
	deleted file mode 100644
	index c814202e..00000000
	--- a/mongodb-1.12.0/tests/writeResult/writeresult-getupsertedids-002.phpt
	+++ /dev/null
	@@ -1,101 +0,0 @@
	---TEST--
	-MongoDB\Driver\WriteResult::getUpsertedIds() with client-generated values
	---SKIPIF--
	-<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	-<?php skip_if_not_live(); ?>
	-<?php skip_if_not_clean(); ?>
	-<?php skip_if_server_version('<', '3.0'); ?>
	---FILE--
	-<?php
	-require_once __DIR__ . "/../utils/basic.inc";
	-
	-/* Do not test Decimal128, since it is only supported by MongoDB 3.4+.
	- *
	- * Do not test array or Regex types, which are not permitted to be used as an
	- * ID. If a regular expression is used in upsert criteria and does not match an
	- * existing document, the server generates a new ObjectId. */
	-$tests = [
	- null,
	- true,
	- 1,
	- 4.125,
	- 'foo',
	- (object) [],
	- new MongoDB\BSON\Binary('foo', MongoDB\BSON\Binary::TYPE_GENERIC),
	- new MongoDB\BSON\Javascript('function(){}'),
	- new MongoDB\BSON\MaxKey,
	- new MongoDB\BSON\MinKey,
	- new MongoDB\BSON\ObjectId('586c18d86118fd6c9012dec1'),
	- new MongoDB\BSON\Timestamp(1234, 5678),
	- new MongoDB\BSON\UTCDateTime('1483479256924'),
	-];
	-
	-$manager = create_test_manager();
	-
	-$bulk = new MongoDB\Driver\BulkWrite;
	-
	-foreach ($tests as $value) {
	- $bulk->update(['_id' => $value], ['$set' => ['x' => 1]], ['upsert' => true]);
	-}
	-
	-$result = $manager->executeBulkWrite(NS, $bulk);
	-
	-var_dump($result->getUpsertedIds());
	-
	-?>
	-===DONE===
	-<?php exit(0); ?>
	---EXPECTF--
	-array(13) {
	- [0]=>
	- NULL
	- [1]=>
	- bool(true)
	- [2]=>
	- int(1)
	- [3]=>
	- float(4.125)
	- [4]=>
	- string(3) "foo"
	- [5]=>
	- object(stdClass)#%d (%d) {
	- }
	- [6]=>
	- object(MongoDB\BSON\Binary)#%d (%d) {
	- ["data"]=>
	- string(3) "foo"
	- ["type"]=>
	- int(0)
	- }
	- [7]=>
	- object(MongoDB\BSON\Javascript)#%d (%d) {
	- ["code"]=>
	- string(12) "function(){}"
	- ["scope"]=>
	- NULL
	- }
	- [8]=>
	- object(MongoDB\BSON\MaxKey)#%d (%d) {
	- }
	- [9]=>
	- object(MongoDB\BSON\MinKey)#%d (%d) {
	- }
	- [10]=>
	- object(MongoDB\BSON\ObjectId)#%d (%d) {
	- ["oid"]=>
	- string(24) "586c18d86118fd6c9012dec1"
	- }
	- [11]=>
	- object(MongoDB\BSON\Timestamp)#%d (%d) {
	- ["increment"]=>
	- string(4) "1234"
	- ["timestamp"]=>
	- string(4) "5678"
	- }
	- [12]=>
	- object(MongoDB\BSON\UTCDateTime)#%d (%d) {
	- ["milliseconds"]=>
	- string(13) "1483479256924"
	- }
	-}
	-===DONE===
	diff --git a/mongodb-1.13.0/CONTRIBUTING.md b/mongodb-1.13.0/CONTRIBUTING.md
	new file mode 100644
	index 00000000..9063a665
	--- /dev/null
	+++ b/mongodb-1.13.0/CONTRIBUTING.md
	@@ -0,0 +1,467 @@
	+# Contributing to the PHP Driver for MongoDB
	+
	+## Building from Source
	+
	+Developers who would like to contribute to the driver will need to build it from
	+source. The repository may be initialized with:
	+
	+```
	+$ git clone https://github.com/mongodb/mongo-php-driver.git
	+$ cd mongo-php-driver
	+$ git submodule update --init
	+```
	+
	+The following script may be used to build the driver:
	+
	+```
	+#!/bin/sh
	+
	+phpize > /dev/null && \
	+./configure --enable-mongodb-developer-flags > /dev/null && \
	+make clean > /dev/null && make all > /dev/null && make install
	+```
	+
	+## Testing
	+
	+The extension's test use the PHPT format from PHP internals. This format is
	+documented in the following links:
	+
	+ * [Introduction to PHPT Files](https://qa.php.net/write-test.php)
	+ * [PHPT - Test File Layout](https://qa.php.net/phpt_details.php)
	+
	+Generally, most tests will be based on the following template:
	+
	+```
	+--TEST--
	+Description of API or JIRA issue being tested
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php /* One or more skip functions */ ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+// Test code
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+===DONE===
	+```
	+
	+The `basic-skipif.inc` and `basic.inc` files contain utility functions for the
	+`SKIPIF` and `FILE` sections, respectively. If those functions are not needed
	+(e.g. skip logic only depends on checking the `PHP_INT_SIZE` constant), the test
	+should not include the file. When it doubt, keep it simple.
	+
	+### Best Practices for `SKIPIF`
	+
	+The [`skipif.php`](tests/utils/skipif.php) file defines various helper functions
	+for use within a test's [`SKIPIF`](https://qa.php.net/phpt_details.php#skipif_section)
	+section. When multiple functions are used in a single `SKIPIF` section, they
	+should be logically ordered:
	+
	+ * Any PHP environment requirements should be checked first. For example, if a
	+ test requires a 64-bit architecture, start by checking `PHP_INT_SIZE` before
	+ anything else.
	+ * Any extension build requirements (e.g. `skip_if_not_libmongoc_crypto()`) or
	+ test environment requirements (e.g. `skip_if_auth()`) should then be checked.
	+ These functions only examine local information, such as `phpinfo()` output or
	+ the structure of the `URI` constant, and do not interact with a remote
	+ MongoDB server.
	+ * Any remote server requirements should then be checked. A general integration
	+ test that requires any type of remote server to be accessible might use
	+ `skip_if_not_live()` while a test requiring a replica set would prefer
	+ `skip_if_not_replica_set()`.
	+ * After requiring a remote server to be accessible (optionally with a specific
	+ type), you can enforce requirements about that server. This includes checking
	+ its server version, storage engine, availability of test commands, etc.
	+ * Finally, use `skip_if_not_clean()` if needed to ensure that the collection(s)
	+ under test are dropped before the test runs.
	+
	+As a rule of thumb, your `SKIPIF` logic should be written to allow the test to
	+run in as many environments as possible. To paraphrase the
	+[robustness principal](https://en.wikipedia.org/wiki/Robustness_principle):
	+
	+> Be conservative in what/how you test, and liberal in what environment you require
	+
	+Consider that a well-crafted `EXPECTF` section may allow a `SKIPIF` section to
	+be less restrictive.
	+
	+### Environment Variables
	+
	+The test suite references the following environment variables:
	+
	+ * `MONGODB_URI`: Connection string. Defaults to `mongodb://127.0.0.1/`, which
	+ assumes a MongoDB server is listening localhost port 27017.
	+ * `MONGO_ORCHESTRATION_URI`: API endpoint for Mongo Orchestration. Defaults to
	+ `http://localhost:8889/v1`. This is only used by a few tests that start
	+ temporary servers, and those tests will be skipped if Mongo Orchestration is
	+ inaccessible.
	+ * `MONGODB_DATABASE`: Default database to use in tests. Defaults to `phongo`.
	+ * `SSL_DIR`: Path to directory containing certificate files. On Evergreen, this
	+ will be set to the
	+ [.evergreen/x509gen](https://github.com/mongodb-labs/drivers-evergreen-tools/tree/master/.evergreen/x509gen)
	+ directory within
	+ [drivers-evergreen-tools](https://github.com/mongodb-labs/drivers-evergreen-tools).
	+ If undefined or inaccessible, tests requiring certificates will be skipped.
	+ * `API_VERSION`: If defined, this value will be used to construct a
	+ [`MongoDB\Driver\ServerApi`](https://www.php.net/manual/en/mongodb-driver-serverapi.construct.php),
	+ which will then be specified as the `serverApi` driver option for
	+ [`MongoDB\Driver\Manager`](https://www.php.net/manual/en/class.mongodb-driver-manager.php)
	+ objects created by the test suite.
	+
	+### Mongo Orchestration
	+
	+[Mongo Orchestration](https://github.com/10gen/mongo-orchestration) is an HTTP
	+server that provides a REST API for managing MongoDB servers and clusters.
	+Evergreen CI and GitHub Actions use configurations provided by the
	+[drivers-evergreen-tools](https://github.com/mongodb-labs/drivers-evergreen-tools)
	+repository. These configurations are loaded by Mongo Orchestration, which then
	+provides a connection string to assign to `MONGODB_URI` and run the test suite.
	+Additionally, some tests start temporary servers and interact directly with
	+Mongo Orchestration (via `MONGO_ORCHESTRATION_URI`).
	+
	+For local development, running Mongo Orchestration is not required and it is
	+generally sufficient to test against a single-node replica set.
	+
	+## Updating libmongoc, libbson, and libmongocrypt
	+
	+The PHP driver can use either system libraries or bundled versions of
	+libmongoc, libbson, and libmongocrypt. If a new version of either library is
	+available, the submodule and build configuration will need to be updated to
	+reflect the new sources and/or package version.
	+
	+### Updating libmongoc and libbson
	+
	+#### Update libmongoc submodule
	+
	+```
	+$ cd src/libmongoc
	+$ git fetch
	+$ git checkout 1.20.0
	+```
	+
	+During development, it may be necessary to temporarily point the libmongoc
	+submodule to a commit on the developer's fork of libmongoc. For instance, the
	+developer may be working on a PHP driver feature that depends on an unmerged
	+pull request to libmongoc. In this case, `git remote add` can be used to add
	+the fork before fetching and checking out the target commit. Additionally, the
	+submodule path in
	+[`.gitmodules`](https://github.com/mongodb/mongo-php-driver/blob/master/.gitmodules)
	+must also be updated to refer to the fork.
	+
	+#### Ensure libmongoc version information is correct
	+
	+The build process for Autotools and Windows rely on
	+`src/LIBMONGOC_VERSION_CURRENT` to infer version information for libmongoc and
	+libbson. This file can be regenerated using the following Makefile target:
	+
	+```
	+$ make libmongoc-version-current
	+```
	+
	+Alternatively, the `build/calc_release_version.py` script in libmongoc can be
	+executed directly.
	+
	+Note: If the libmongoc submodule points to a non-release, non-master branch, the
	+script may fail to correctly detect the version. This issue is being tracked in
	+[CDRIVER-3315](https://jira.mongodb.org/browse/CDRIVER-3315) and can be safely
	+ignored since this should only happen during development (any PHP driver release
	+should point to a tagged libmongoc release).
	+
	+#### Update sources in build configurations
	+
	+The Autotools and Windows build configurations (`config.m4` and `config.w32`,
	+respectively) define several variables (e.g. `PHP_MONGODB_MONGOC_SOURCES`) that
	+collectively enumerate all of the the sources within the libmongoc submodule to
	+include in a bundled build.
	+
	+These variables should each have a shell command in a preceding comment, which
	+should be run to regenerate that particular list of source files. Each command
	+may be run manually or `scripts/update-submodule-sources.php` may be used to
	+update all variables. In the event that either libmongoc or libbson introduce a
	+new source directory, that will need to be manually added (follow prior art).
	+
	+#### Update package dependencies
	+
	+The Autotools configuration additionally includes some `pkg-config` commands for
	+using libmongoc and libbson as system libraries (in lieu of a bundled build).
	+When bumping the libmongoc version, be sure to update the version check _and_
	+error message in the `pkg-config` blocks for both libmongoc and libbson.
	+
	+For example, the following lines might be updated for libmongoc:
	+
	+```
	+if $PKG_CONFIG libmongoc-1.0 --atleast-version 1.20.0; then
	+
	+...
	+
	+AC_MSG_ERROR(system libmongoc must be upgraded to version >= 1.20.0)
	+```
	+
	+#### Update tested versions in Evergreen configuration
	+
	+Evergreen tests against multiple versions of libmongoc. When updating to a newer
	+libmongoc version, make sure to update the `libmongoc-version` build axis in
	+`.evergreen/config.yml`. In general, we test against two additional versions of
	+libmongoc:
	+
	+- The upcoming patch release of the current libmongoc minor version (e.g. the
	+ `r1.x` branch)
	+- The upcoming minor release of libmongoc (e.g. the `master` branch)
	+
	+#### Update sources in PECL package generation script
	+
	+If either libmongoc or libbson introduce a new source directory, that may also
	+require updating the glob patterns in the `bin/prep-release.php` script to
	+ensure new source files will be included in any generated PECL package.
	+
	+#### Test and commit your changes
	+
	+Verify that the upgrade was successful by ensuring that the driver can compile
	+using both the bundled sources and system libraries for libmongoc and libbson,
	+and by ensuring that the test suite passes. Once done, commit the changes to all
	+of the above files/paths. For example:
	+
	+```
	+$ git commit -m "Bump libmongoc to 1.20.0" config.m4 config.w32 src/libmongoc src/LIBMONGOC_VERSION_CURRENT
	+```
	+
	+### Updating libmongocrypt
	+
	+To update libmongocrypt, the steps are similar to the above:
	+
	+```
	+$ cd src/libmongocrypt
	+$ git fetch
	+$ git checkout 1.3.0
	+$ make libmongocrypt-version-current
	+```
	+
	+Package dependencies in `config.m4` must also be updated (either manually or
	+with `scripts/update-submodule-sources.php`), as do the sources in the PECL
	+generation script.
	+
	+## Releasing
	+
	+The follow steps outline the release process for a maintenance branch (e.g.
	+releasing the `vX.Y` branch as X.Y.Z).
	+
	+### Ensure PHP version compatibility
	+
	+Ensure that the library test suite completes on supported versions of PHP.
	+
	+### Ensure Windows compatibility
	+
	+PECL will create Windows DLLs for new releases; however, you must ensure that
	+the extension successfully builds on Windows before releasing. Windows builds
	+are tested by [AppVeyor](.appveyor.yml).
	+
	+See the [internals wiki](https://wiki.php.net/internals/windows/stepbystepbuild)
	+for more information.
	+
	+### Transition JIRA issues and version
	+
	+All issues associated with the release version should be in the "Closed" state
	+and have a resolution of "Fixed". Issues with other resolutions (e.g.
	+"Duplicate", "Works as Designed") should be removed from the release version so
	+that they do not appear in the release notes.
	+
	+Check the corresponding ".x" fix version to see if it contains any issues that
	+are resolved as "Fixed" and should be included in this release version.
	+
	+Update the version's release date and status from the
	+[Manage Versions](https://jira.mongodb.org/plugins/servlet/project-config/PHPC/versions)
	+page.
	+
	+### Update version info
	+
	+The PHP driver uses [semantic versioning](http://semver.org/). Do not break
	+backwards compatibility in a non-major release or your users will kill you.
	+
	+Before proceeding, ensure that the `master` branch is up-to-date with all code
	+changes in this maintenance branch. This is important because we will later
	+merge the ensuing release commits up to master with `--strategy=ours`, which
	+will ignore changes from the merged commits.
	+
	+Update the version and stability constants in `phongo_version.h`. This should
	+entail removing the version's "-dev" suffix, changing the stability to
	+"stable", and increasing the last digit for `PHP_MONGO_VERSION_DESC`:
	+
	+```
	+#define PHP_MONGODB_VERSION "1.1.8-dev"
	+#define PHP_MONGODB_STABILITY "devel"
	+#define PHP_MONGODB_VERSION_DESC 1,1,8,0
	+```
	+
	+The above would be changed to:
	+
	+```
	+#define PHP_MONGODB_VERSION "1.1.8"
	+#define PHP_MONGODB_STABILITY "stable"
	+#define PHP_MONGODB_VERSION_DESC 1,1,8,1
	+```
	+
	+The Makefile targets for creating the PECL package depend on these constants, so
	+you must rebuild the extension after updating `phongo_version.h`.
	+
	+> Note: If this is an alpha or beta release, the version string should
	+> include the X.Y.Z version followed by the stability and an increment. For
	+> instance, the first beta release in the 1.4.0 series would be "1.4.0beta1".
	+> Alpha and beta releases use "alpha" and "beta" stability strings,
	+> respectively. Release candidates (e.g. "1.4.0RC1") also use "beta" stability.
	+> See [Documenting release stability and API stability](https://pear.php.net/manual/en/guide.developers.package2.stability.php)
	+> for more information. For each change to the suffixes of
	+> `PHP_MONGODB_VERSION`, increment the last digit of
	+> `PHP_MONGODB_VERSION_DESC`.
	+
	+### Build PECL package
	+
	+Create the PECL package description file with `make package.xml`. This creates
	+a `package.xml` file from a template. Version, author, and file information will
	+be filled in, but release notes must be copied manually from JIRA.
	+
	+After copying release notes, use `make package` to create the package file (e.g.
	+`mongodb-X.Y.Z.tgz`) and ensure that it can be successfully installed:
	+
	+```
	+$ pecl install -f mongodb-X.Y.Z.tgz
	+```
	+
	+### Commit version update and release notes
	+
	+Commit the modified `phongo_version.h` file as "Package X.Y.Z"
	+
	+```
	+$ git add phongo_version.h
	+$ git commit -m "Package X.Y.Z"
	+```
	+
	+### Tag release
	+
	+The previous commit will be the target for our release tag:
	+
	+```
	+$ git tag -a -m "Release X.Y.Z" X.Y.Z
	+```
	+
	+### Update version info back to dev
	+
	+After tagging, the version and stability constants in `phongo_version.h` should be
	+updated back to development status.
	+
	+```
	+#define PHP_MONGODB_VERSION "1.1.8"
	+#define PHP_MONGODB_STABILITY "stable"
	+#define PHP_MONGODB_VERSION_DESC 1,1,8,1
	+```
	+
	+The above would be changed to:
	+
	+```
	+#define PHP_MONGODB_VERSION "1.1.9-dev"
	+#define PHP_MONGODB_STABILITY "devel"
	+#define PHP_MONGODB_VERSION_DESC 1,1,9,0
	+```
	+
	+Commit this change:
	+
	+```
	+$ git commit -m "Back to -dev" phongo_version.h
	+```
	+
	+> Note: If this is an alpha, beta, or RC release, the version string should
	+> increment the stability sequence instead of the patch version. For example,
	+> if the constants were originally "1.4.0-dev" and "devel" and then changed to
	+> "1.4.0beta1" and "beta" for the first beta release, this step would see them
	+> ultimately changed to "1.4.0beta2-dev" and "devel".
	+
	+### Push commits and tags
	+
	+```
	+$ git push
	+$ git push --tags
	+```
	+
	+### Release PECL package
	+
	+The PECL package may be published via the
	+[Release Upload](https://pecl.php.net/release-upload.php) form. You will have
	+one chance to confirm the package information after uploading.
	+
	+### Merge the maintenance branch up to master
	+
	+```
	+$ git checkout master
	+$ git merge vX.Y --strategy=ours
	+$ git push
	+```
	+
	+The `--strategy=ours` option ensures that all changes from the merged commits
	+will be ignored.
	+
	+### Publish release notes
	+
	+The following template should be used for creating GitHub release notes via
	+[this form](https://github.com/mongodb/mongo-php-driver/releases/new). The PECL
	+package may also be attached to the release notes.
	+
	+```
	+The PHP team is happy to announce that version X.Y.Z of the [mongodb](https://pecl.php.net/package/mongodb) PHP extension is now available on PECL.
	+
	+Release Highlights
	+
	+<one or more paragraphs describing important changes in this release>
	+
	+A complete list of resolved issues in this release may be found at:
	+$JIRA_URL
	+
	+Documentation
	+
	+Documentation is available on PHP.net:
	+https://www.php.net/set.mongodb
	+
	+Installation
	+
	+You can either download and install the source manually, or you can install the extension with:
	+
	+ pecl install mongodb-X.Y.Z
	+
	+or update with:
	+
	+ pecl upgrade mongodb-X.Y.Z
	+
	+Windows binaries are available on PECL:
	+https://pecl.php.net/package/mongodb
	+```
	+
	+> Note: If this is an alpha or beta release, the installation examples
	+> should refer to the exact version (e.g. "mongodb-1.8.0beta2"). This is necessary
	+> because PECL prioritizes recent, stable releases over any stability preferences
	+> (e.g. "mongodb-beta").
	+
	+The URL for the list of resolved JIRA issues will need to be updated with each
	+release. You may obtain the list from
	+[this form](https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=12484).
	+
	+If commits from community contributors were included in this release, append the
	+following section:
	+
	+```
	+Thanks
	+
	+Thanks for our community contributors for X.Y.Z:
	+
	+ * [$CONTRIBUTOR_NAME](https://github.com/$GITHUB_USERNAME)
	+```
	+
	+Release announcements should also be posted in the [MongoDB Product & Driver Announcements: Driver Releases](https://www.mongodb.com/community/forums/tags/c/announcements/driver-releases/110/php) forum and shared on Twitter.
	+
	+### Update compatibility tables in MongoDB docs
	+
	+For minor releases, create a DOCSP ticket indicating whether there are changes to MongoDB Server or PHP version
	+compatibility. The [compatibility tables](https://docs.mongodb.com/drivers/driver-compatibility-reference#php-driver-compatibility)
	+in the MongoDB documentation must be updated to account for new releases. Make sure to update both MongoDB and Language
	+compatibility tables, as shown in [this pull request](https://github.com/mongodb/docs-ecosystem/pull/642).
	diff --git a/mongodb-1.12.0/CREDITS b/mongodb-1.13.0/CREDITS
	similarity index 100%
	rename from mongodb-1.12.0/CREDITS
	rename to mongodb-1.13.0/CREDITS
	diff --git a/mongodb-1.12.0/LICENSE b/mongodb-1.13.0/LICENSE
	similarity index 100%
	rename from mongodb-1.12.0/LICENSE
	rename to mongodb-1.13.0/LICENSE
	diff --git a/mongodb-1.12.0/Makefile.frag b/mongodb-1.13.0/Makefile.frag
	similarity index 100%
	rename from mongodb-1.12.0/Makefile.frag
	rename to mongodb-1.13.0/Makefile.frag
	diff --git a/mongodb-1.12.0/README.md b/mongodb-1.13.0/README.md
	similarity index 100%
	rename from mongodb-1.12.0/README.md
	rename to mongodb-1.13.0/README.md
	diff --git a/mongodb-1.12.0/THIRD_PARTY_NOTICES b/mongodb-1.13.0/THIRD_PARTY_NOTICES
	similarity index 100%
	rename from mongodb-1.12.0/THIRD_PARTY_NOTICES
	rename to mongodb-1.13.0/THIRD_PARTY_NOTICES
	diff --git a/mongodb-1.12.0/Vagrantfile b/mongodb-1.13.0/Vagrantfile
	similarity index 100%
	rename from mongodb-1.12.0/Vagrantfile
	rename to mongodb-1.13.0/Vagrantfile
	diff --git a/mongodb-1.13.0/config.m4 b/mongodb-1.13.0/config.m4
	new file mode 100644
	index 00000000..2a0e97a5
	--- /dev/null
	+++ b/mongodb-1.13.0/config.m4
	@@ -0,0 +1,560 @@
	+dnl config.m4 for extension mongodb
	+PHP_ARG_ENABLE([mongodb],
	+ [whether to enable MongoDB support],
	+ [AS_HELP_STRING([--enable-mongodb],
	+ [Enable MongoDB support])])
	+
	+if test "$PHP_MONGODB" != "no"; then
	+ dnl Check PHP version is compatible with this extension
	+ AC_MSG_CHECKING([PHP version])
	+
	+ PHP_MONGODB_PHP_VERSION=$PHP_VERSION
	+ PHP_MONGODB_PHP_VERSION_ID=$PHP_VERSION_ID
	+
	+ if test -z "$PHP_MONGODB_PHP_VERSION"; then
	+ if test -z "$PHP_CONFIG"; then
	+ AC_MSG_ERROR([php-config not found])
	+ fi
	+ PHP_MONGODB_PHP_VERSION=`${PHP_CONFIG} --version`
	+ PHP_MONGODB_PHP_VERSION_ID=`echo "${PHP_MONGODB_PHP_VERSION}" \| $AWK 'BEGIN { FS = "."; } { printf "%d", ([$]1 * 100 + [$]2) * 100 + [$]3;}'`
	+ fi
	+
	+ AC_MSG_RESULT($PHP_MONGODB_PHP_VERSION)
	+ if test "$PHP_MONGODB_PHP_VERSION_ID" -lt "70200"; then
	+ AC_MSG_ERROR([not supported. Need a PHP version >= 7.2.0 (found $PHP_MONGODB_PHP_VERSION)])
	+ fi
	+
	+ PHP_ARG_ENABLE([mongodb-developer-flags],
	+ [whether to enable developer build flags],
	+ [AS_HELP_STRING([--enable-mongodb-developer-flags],
	+ [MongoDB: Enable developer flags [default=no]])],
	+ [no],
	+ [no])
	+
	+ if test "$PHP_MONGODB_DEVELOPER_FLAGS" = "yes"; then
	+ dnl Warn about functions which might be candidates for format attributes
	+ AX_CHECK_COMPILE_FLAG(-Wmissing-format-attribute, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wmissing-format-attribute" ,, -Werror)
	+ dnl Avoid duplicating values for an enum
	+ AX_CHECK_COMPILE_FLAG(-Wduplicate-enum, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wduplicate-enum" ,, -Werror)
	+ dnl Warns on mismatches between #ifndef and #define header guards
	+ AX_CHECK_COMPILE_FLAG(-Wheader-guard, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wheader-guard" ,, -Werror)
	+ dnl logical not of a non-boolean expression
	+ AX_CHECK_COMPILE_FLAG(-Wlogical-not-parentheses, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wlogical-not-parentheses" ,, -Werror)
	+ dnl Warn about suspicious uses of logical operators in expressions
	+ AX_CHECK_COMPILE_FLAG(-Wlogical-op, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wlogical-op" ,, -Werror)
	+ dnl memory error detector.
	+ dnl FIXME: -fsanitize=address,undefined for clang. The AX_CHECK_COMPILE_FLAG macro isn't happy about that string :(
	+ AX_CHECK_COMPILE_FLAG(-fsanitize-address, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fsanitize-address" ,, -Werror)
	+ dnl Enable frame debugging
	+ AX_CHECK_COMPILE_FLAG(-fno-omit-frame-pointer, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fno-omit-frame-pointer" ,, -Werror)
	+ dnl Make sure we don't optimize calls
	+ AX_CHECK_COMPILE_FLAG(-fno-optimize-sibling-calls, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fno-optimize-sibling-calls" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wlogical-op-parentheses, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wlogical-op-parentheses" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wpointer-bool-conversion, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wpointer-bool-conversion" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wbool-conversion, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wbool-conversion" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wloop-analysis, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wloop-analysis" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wsizeof-array-argument, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wsizeof-array-argument" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wstring-conversion, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wstring-conversion" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wno-variadic-macros, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-variadic-macros" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wno-sign-compare, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-sign-compare" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-fstack-protector, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fstack-protector" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-fno-exceptions, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -fno-exceptions" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wformat-security, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wformat-security" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wformat-nonliteral, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wformat-nonliteral" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Winit-self, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Winit-self" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wwrite-strings, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wwrite-strings" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wenum-compare, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wenum-compare" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wempty-body, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wempty-body" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wparentheses, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wparentheses" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wdeclaration-after-statement, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wdeclaration-after-statement" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wmaybe-uninitialized, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wmaybe-uninitialized" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wimplicit-fallthrough, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wimplicit-fallthrough" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Werror, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Werror" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wextra, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wextra" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wno-unused-parameter, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-unused-parameter" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wno-unused-but-set-variable, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-unused-but-set-variable" ,, -Werror)
	+ AX_CHECK_COMPILE_FLAG(-Wno-missing-field-initializers, _MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS -Wno-missing-field-initializers",, -Werror)
	+
	+ MAINTAINER_CFLAGS="$_MAINTAINER_CFLAGS"
	+ STD_CFLAGS="-g -O0 -Wall"
	+ fi
	+
	+
	+ PHP_ARG_ENABLE([mongodb-coverage],
	+ [whether to enable code coverage],
	+ [AS_HELP_STRING([--enable-mongodb-coverage],
	+ [MongoDB: Enable developer code coverage information [default=no]])],
	+ [no],
	+ [no])
	+
	+ if test "$PHP_MONGODB_COVERAGE" = "yes"; then
	+ if test "$ext_shared" != "yes"; then
	+ AC_MSG_ERROR(code coverage is not supported for static builds)
	+ fi
	+
	+ COVERAGE_CFLAGS="--coverage -g"
	+ COVERAGE_LDFLAGS="--coverage"
	+
	+ MONGODB_SHARED_LIBADD="$MONGODB_SHARED_LIBADD $COVERAGE_LDFLAGS"
	+ fi
	+
	+ PHP_MONGODB_CFLAGS="$STD_CFLAGS $MAINTAINER_CFLAGS $COVERAGE_CFLAGS"
	+
	+ PHP_MONGODB_SOURCES="\
	+ php_phongo.c \
	+ src/phongo_apm.c \
	+ src/phongo_bson.c \
	+ src/phongo_bson_encode.c \
	+ src/phongo_client.c \
	+ src/phongo_compat.c \
	+ src/phongo_error.c \
	+ src/phongo_execute.c \
	+ src/phongo_ini.c \
	+ src/phongo_util.c \
	+ src/BSON/Binary.c \
	+ src/BSON/BinaryInterface.c \
	+ src/BSON/DBPointer.c \
	+ src/BSON/Decimal128.c \
	+ src/BSON/Decimal128Interface.c \
	+ src/BSON/Int64.c \
	+ src/BSON/Javascript.c \
	+ src/BSON/JavascriptInterface.c \
	+ src/BSON/MaxKey.c \
	+ src/BSON/MaxKeyInterface.c \
	+ src/BSON/MinKey.c \
	+ src/BSON/MinKeyInterface.c \
	+ src/BSON/ObjectId.c \
	+ src/BSON/ObjectIdInterface.c \
	+ src/BSON/Persistable.c \
	+ src/BSON/Regex.c \
	+ src/BSON/RegexInterface.c \
	+ src/BSON/Serializable.c \
	+ src/BSON/Symbol.c \
	+ src/BSON/Timestamp.c \
	+ src/BSON/TimestampInterface.c \
	+ src/BSON/Type.c \
	+ src/BSON/Undefined.c \
	+ src/BSON/Unserializable.c \
	+ src/BSON/UTCDateTime.c \
	+ src/BSON/UTCDateTimeInterface.c \
	+ src/BSON/functions.c \
	+ src/MongoDB/BulkWrite.c \
	+ src/MongoDB/ClientEncryption.c \
	+ src/MongoDB/Command.c \
	+ src/MongoDB/Cursor.c \
	+ src/MongoDB/CursorId.c \
	+ src/MongoDB/CursorInterface.c \
	+ src/MongoDB/Manager.c \
	+ src/MongoDB/Query.c \
	+ src/MongoDB/ReadConcern.c \
	+ src/MongoDB/ReadPreference.c \
	+ src/MongoDB/Server.c \
	+ src/MongoDB/ServerApi.c \
	+ src/MongoDB/ServerDescription.c \
	+ src/MongoDB/Session.c \
	+ src/MongoDB/TopologyDescription.c \
	+ src/MongoDB/WriteConcern.c \
	+ src/MongoDB/WriteConcernError.c \
	+ src/MongoDB/WriteError.c \
	+ src/MongoDB/WriteResult.c \
	+ src/MongoDB/Exception/AuthenticationException.c \
	+ src/MongoDB/Exception/BulkWriteException.c \
	+ src/MongoDB/Exception/CommandException.c \
	+ src/MongoDB/Exception/ConnectionException.c \
	+ src/MongoDB/Exception/ConnectionTimeoutException.c \
	+ src/MongoDB/Exception/EncryptionException.c \
	+ src/MongoDB/Exception/Exception.c \
	+ src/MongoDB/Exception/ExecutionTimeoutException.c \
	+ src/MongoDB/Exception/InvalidArgumentException.c \
	+ src/MongoDB/Exception/LogicException.c \
	+ src/MongoDB/Exception/RuntimeException.c \
	+ src/MongoDB/Exception/ServerException.c \
	+ src/MongoDB/Exception/SSLConnectionException.c \
	+ src/MongoDB/Exception/UnexpectedValueException.c \
	+ src/MongoDB/Exception/WriteException.c \
	+ src/MongoDB/Monitoring/CommandFailedEvent.c \
	+ src/MongoDB/Monitoring/CommandStartedEvent.c \
	+ src/MongoDB/Monitoring/CommandSubscriber.c \
	+ src/MongoDB/Monitoring/CommandSucceededEvent.c \
	+ src/MongoDB/Monitoring/SDAMSubscriber.c \
	+ src/MongoDB/Monitoring/Subscriber.c \
	+ src/MongoDB/Monitoring/ServerChangedEvent.c \
	+ src/MongoDB/Monitoring/ServerClosedEvent.c \
	+ src/MongoDB/Monitoring/ServerHeartbeatFailedEvent.c \
	+ src/MongoDB/Monitoring/ServerHeartbeatStartedEvent.c \
	+ src/MongoDB/Monitoring/ServerHeartbeatSucceededEvent.c \
	+ src/MongoDB/Monitoring/ServerOpeningEvent.c \
	+ src/MongoDB/Monitoring/TopologyChangedEvent.c \
	+ src/MongoDB/Monitoring/TopologyClosedEvent.c \
	+ src/MongoDB/Monitoring/TopologyOpeningEvent.c \
	+ src/MongoDB/Monitoring/functions.c \
	+ "
	+
	+ PHP_ARG_WITH([mongodb-system-libs],
	+ [whether to compile against system libraries instead of bundled],
	+ [AS_HELP_STRING([--with-mongodb-system-libs=@<:@yes/no@:>@],
	+ [MongoDB: Use system libraries for libbson, libmongoc, and libmongocrypt [default=no]])],
	+ [no],
	+ [no])
	+ PHP_ARG_WITH([libbson],
	+ [whether to use system libbson],
	+ [AS_HELP_STRING([--with-libbson=@<:@yes/no@:>@],
	+ [MongoDB: Use system libbson [default=no]])],
	+ [no],
	+ [no])
	+ PHP_ARG_WITH([libmongoc],
	+ [whether to use system libmongoc],
	+ [AS_HELP_STRING([--with-libmongoc=@<:@yes/no@:>@],
	+ [MongoDB: Use system libmongoc [default=no]])],
	+ [no],
	+ [no])
	+ PHP_ARG_WITH([mongodb-client-side-encryption],
	+ [whether to enable client-side encryption],
	+ [AS_HELP_STRING([--with-mongodb-client-side-encryption=@<:@auto/yes/no@:>@],
	+ [MongoDB: Enable client-side encryption [default=auto]])],
	+ [auto],
	+ [no])
	+
	+ if test "$PHP_LIBBSON" != "no"; then
	+ AC_MSG_WARN(Using --with-libbson is deprecated and will be removed in a future version. Please use --with-system-libs instead)
	+
	+ if test "$PHP_LIBMONGOC" = "no"; then
	+ AC_MSG_ERROR(Cannot use system libbson and bundled libmongoc)
	+ fi
	+
	+ PHP_MONGODB_SYSTEM_LIBS="yes"
	+ fi
	+
	+ if test "$PHP_LIBMONGOC" != "no"; then
	+ AC_MSG_WARN(Using --with-libmongoc is deprecated and will be removed in a future version. Please use --with-system-libs instead)
	+
	+ if test "$PHP_LIBBSON" = "no"; then
	+ AC_MSG_ERROR(Cannot use system libmongoc and bundled libbson)
	+ fi
	+
	+ PHP_MONGODB_SYSTEM_LIBS="yes"
	+ fi
	+
	+ PHP_MONGODB_BSON_VERSION_STRING="None"
	+ PHP_MONGODB_MONGOC_VERSION_STRING="None"
	+ PHP_MONGODB_MONGOCRYPT_VERSION_STRING="None"
	+
	+ if test "$PHP_MONGODB_SYSTEM_LIBS" != "no"; then
	+ AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
	+ AC_MSG_CHECKING(for libbson)
	+ if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libbson-1.0; then
	+ if $PKG_CONFIG libbson-1.0 --atleast-version 1.21.1; then
	+ PHP_MONGODB_BSON_CFLAGS=`$PKG_CONFIG libbson-1.0 --cflags`
	+ PHP_MONGODB_BSON_LIBS=`$PKG_CONFIG libbson-1.0 --libs`
	+ PHP_MONGODB_BSON_VERSION=`$PKG_CONFIG libbson-1.0 --modversion`
	+ PHP_MONGODB_BSON_VERSION_STRING="System ($PHP_MONGODB_BSON_VERSION)"
	+ AC_MSG_RESULT(version $PHP_MONGODB_BSON_VERSION found)
	+ else
	+ AC_MSG_ERROR(system libbson must be upgraded to version >= 1.21.1)
	+ fi
	+ else
	+ AC_MSG_ERROR(pkgconfig and libbson must be installed)
	+ fi
	+ PHP_MONGODB_CFLAGS="$PHP_MONGODB_CFLAGS $PHP_MONGODB_BSON_CFLAGS"
	+ PHP_EVAL_LIBLINE($PHP_MONGODB_BSON_LIBS, MONGODB_SHARED_LIBADD)
	+ AC_DEFINE(HAVE_SYSTEM_LIBBSON, 1, [Use system libbson])
	+
	+ AC_MSG_CHECKING(for libmongoc)
	+ if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libmongoc-1.0; then
	+ if $PKG_CONFIG libmongoc-1.0 --atleast-version 1.21.1; then
	+ PHP_MONGODB_MONGOC_CFLAGS=`$PKG_CONFIG libmongoc-1.0 --cflags`
	+ PHP_MONGODB_MONGOC_LIBS=`$PKG_CONFIG libmongoc-1.0 --libs`
	+ PHP_MONGODB_MONGOC_VERSION=`$PKG_CONFIG libmongoc-1.0 --modversion`
	+ PHP_MONGODB_MONGOC_VERSION_STRING="System ($PHP_MONGODB_MONGOC_VERSION)"
	+ AC_MSG_RESULT(version $PHP_MONGODB_MONGOC_VERSION found)
	+ else
	+ AC_MSG_ERROR(system libmongoc must be upgraded to version >= 1.21.1)
	+ fi
	+ else
	+ AC_MSG_ERROR(pkgconfig and libmongoc must be installed)
	+ fi
	+ PHP_MONGODB_CFLAGS="$PHP_MONGODB_CFLAGS $PHP_MONGODB_MONGOC_CFLAGS"
	+ PHP_EVAL_LIBLINE($PHP_MONGODB_MONGOC_LIBS, MONGODB_SHARED_LIBADD)
	+ AC_DEFINE(HAVE_SYSTEM_LIBMONGOC, 1, [Use system libmongoc])
	+
	+ if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" != "no"; then
	+ AC_MSG_CHECKING(for libmongocrypt)
	+
	+ if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libmongocrypt; then
	+ if $PKG_CONFIG libmongocrypt --atleast-version 1.3.2; then
	+ PHP_MONGODB_MONGOCRYPT_CFLAGS=`$PKG_CONFIG libmongocrypt --cflags`
	+ PHP_MONGODB_MONGOCRYPT_LIBS=`$PKG_CONFIG libmongocrypt --libs`
	+ PHP_MONGODB_MONGOCRYPT_VERSION=`$PKG_CONFIG libmongocrypt --modversion`
	+ PHP_MONGODB_MONGOCRYPT_VERSION_STRING="System ($PHP_MONGODB_MONGOCRYPT_VERSION)"
	+ AC_MSG_RESULT(version $PHP_MONGODB_MONGOCRYPT_VERSION found)
	+
	+ PHP_MONGODB_CFLAGS="$PHP_MONGODB_CFLAGS $PHP_MONGODB_MONGOCRYPT_CFLAGS"
	+ PHP_EVAL_LIBLINE($PHP_MONGODB_MONGOCRYPT_LIBS, MONGODB_SHARED_LIBADD)
	+ AC_DEFINE(HAVE_SYSTEM_LIBMONGOCRYPT, 1, [Use system libmongocrypt])
	+ elif test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	+ AC_MSG_ERROR(system libmongocrypt must be upgraded to version >= 1.3.2)
	+ else
	+ AC_MSG_RESULT(found an older version, compiling without client-side encryption)
	+ fi
	+ else
	+ if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	+ AC_MSG_ERROR(pkgconfig and libmongocrypt must be installed)
	+ else
	+ AC_MSG_RESULT(not found, compiling without client-side encryption)
	+ fi
	+ fi
	+ fi
	+ fi
	+
	+ if test "$PHP_MONGODB_SYSTEM_LIBS" = "no"; then
	+ PHP_MONGODB_BUNDLED_CFLAGS="$STD_CFLAGS -DBSON_COMPILATION -DMONGOC_COMPILATION"
	+ dnl TODO: MONGOCRYPT-219 makes the -std argument obsolete
	+ PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="-DKMS_MSG_STATIC -DMLIB_USER -std=gnu99"
	+ PHP_MONGODB_ZLIB_CFLAGS=""
	+
	+ dnl M4 doesn't know if we're building statically or as a shared module, so
	+ dnl attempt to include both paths while ignoring errors. If neither path
	+ dnl exists, report an error during configure (this is later than M4 parsing
	+ dnl during phpize but better than nothing).
	+ m4_pushdef([_include],[
	+ dnl TODO: Fix this for PECL install (PHPC-1218)
	+ dnl if test ! $ -f "$1" -o -f "ext/mongodb/$1" $; then
	+ dnl AC_MSG_ERROR([m4 could not include $1: No such file or directory])
	+ dnl fi
	+ m4_builtin([sinclude],[$1])
	+ m4_builtin([sinclude],[ext/mongodb/][$1])
	+ ])
	+
	+ dnl Avoid using AC_CONFIG_MACRO_DIR, which might conflict with PHP
	+ _include([scripts/autotools/m4/as_var_copy.m4])
	+ _include([scripts/autotools/m4/ax_check_compile_flag.m4])
	+ _include([scripts/autotools/m4/ax_prototype.m4])
	+ _include([scripts/autotools/m4/ax_pthread.m4])
	+ _include([scripts/autotools/m4/php_mongodb.m4])
	+ _include([scripts/autotools/m4/pkg.m4])
	+
	+ _include([scripts/autotools/CheckCompiler.m4])
	+ _include([scripts/autotools/CheckHost.m4])
	+
	+ _include([scripts/autotools/libbson/CheckAtomics.m4])
	+ _include([scripts/autotools/libbson/CheckHeaders.m4])
	+ _include([scripts/autotools/libbson/Endian.m4])
	+ _include([scripts/autotools/libbson/FindDependencies.m4])
	+ _include([scripts/autotools/libbson/Versions.m4])
	+
	+ _include([scripts/autotools/libmongoc/CheckCompression.m4])
	+ _include([scripts/autotools/libmongoc/CheckResolv.m4])
	+ _include([scripts/autotools/libmongoc/CheckSasl.m4])
	+ _include([scripts/autotools/libmongoc/CheckSSL.m4])
	+ _include([scripts/autotools/libmongoc/CheckICU.m4])
	+ _include([scripts/autotools/libmongoc/FindDependencies.m4])
	+ _include([scripts/autotools/libmongoc/PlatformFlags.m4])
	+ _include([scripts/autotools/libmongoc/Versions.m4])
	+ _include([scripts/autotools/libmongoc/WeakSymbols.m4])
	+
	+ dnl This include modifies the value of $PHP_MONGODB_CLIENT_SIDE_ENCRYPTION to "yes"
	+ dnl or "no" depending on whether dependencies for libmongocrypt are fulfilled
	+ _include([scripts/autotools/libmongocrypt/CheckSSL.m4])
	+ _include([scripts/autotools/libmongocrypt/Endian.m4])
	+ _include([scripts/autotools/libmongocrypt/Version.m4])
	+
	+ PHP_MONGODB_BSON_VERSION_STRING="Bundled ($BSON_VERSION)"
	+ PHP_MONGODB_MONGOC_VERSION_STRING="Bundled ($MONGOC_VERSION)"
	+ PHP_MONGODB_MONGOCRYPT_VERSION_STRING="Bundled ($MONGOCRYPT_BUILD_VERSION)"
	+
	+ m4_popdef([_include])
	+
	+ AC_SUBST(BSON_EXTRA_ALIGN, 0)
	+ AC_SUBST(BSON_OS, 1)
	+
	+ AC_SUBST(MONGOC_NO_AUTOMATIC_GLOBALS, 1)
	+ AC_SUBST(MONGOC_ENABLE_MONGODB_AWS_AUTH, 0)
	+ AC_SUBST(MONGOC_ENABLE_RDTSCP, 0)
	+ AC_SUBST(MONGOC_ENABLE_SHM_COUNTERS, 0)
	+ AC_SUBST(MONGOC_TRACE, 1)
	+
	+ dnl Assignments for metadata handshake. Leave CFLAGS/LDFLAGS empty as they
	+ dnl would likely cause platform info (PHP version) to be truncated. We can
	+ dnl consider restoring CFLAGS/LDFLAGS once CDRIVER-3134 is resolved.
	+ AC_SUBST(MONGOC_CC, [$CC])
	+ AC_SUBST(MONGOC_USER_SET_CFLAGS, [])
	+ AC_SUBST(MONGOC_USER_SET_LDFLAGS, [])
	+
	+ if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	+ AC_SUBST(MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION, 1)
	+ else
	+ AC_SUBST(MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION, 0)
	+ fi
	+
	+ if test "$PHP_MONGODB_DEVELOPER_FLAGS" = "yes"; then
	+ AC_SUBST(MONGOC_ENABLE_DEBUG_ASSERTIONS, 1)
	+ else
	+ AC_SUBST(MONGOC_ENABLE_DEBUG_ASSERTIONS, 0)
	+ fi
	+
	+ dnl On MacOS, use gcut from the coreutils brew package instead of cut
	+ dnl Generated with: find src/libmongoc/src/common -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_COMMON_SOURCES="common-b64.c common-md5.c common-thread.c"
	+
	+ dnl Generated with: find src/libmongoc/src/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 6- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_KMS_MESSAGE_SOURCES="hexlify.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c"
	+
	+ dnl Generated with: find src/libmongoc/src/libbson/src/bson -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_BSON_SOURCES="bcon.c bson-atomic.c bson.c bson-clock.c bson-context.c bson-decimal128.c bson-error.c bson-iso8601.c bson-iter.c bson-json.c bson-keys.c bson-md5.c bson-memory.c bson-oid.c bson-reader.c bson-string.c bson-timegm.c bson-utf8.c bson-value.c bson-version-functions.c bson-writer.c"
	+
	+ dnl Generated with: find src/libmongoc/src/libbson/src/jsonsl -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_JSONSL_SOURCES="jsonsl.c"
	+
	+ dnl Generated with: find src/libmongoc/src/libmongoc/src/mongoc -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_MONGOC_SOURCES="mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-error.c mongoc-find-and-modify.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-command-legacy.c mongoc-write-concern.c"
	+
	+ dnl Generated with: find src/libmongoc/src/zlib-1.2.11 -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_ZLIB_SOURCES="adler32.c compress.c crc32.c deflate.c gzclose.c gzlib.c gzread.c gzwrite.c infback.c inffast.c inflate.c inftrees.c trees.c uncompr.c zutil.c"
	+
	+ PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/common/], $PHP_MONGODB_COMMON_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/libbson/src/bson/], $PHP_MONGODB_BSON_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/libbson/src/jsonsl/], $PHP_MONGODB_JSONSL_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/libmongoc/src/mongoc/], $PHP_MONGODB_MONGOC_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	+
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/common/])
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/libbson/src/])
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/libbson/src/jsonsl/])
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/libmongoc/src/])
	+
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/common/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/libbson/src/bson/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/libbson/src/jsonsl/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/libmongoc/src/mongoc/])
	+
	+ dnl If compiling without libmongocrypt, use kms_message sources bundled with libmongoc.
	+ dnl If compiling with libmongocrypt, kms_message bundled with libmongocrypt is used as it is most likely newer.
	+ if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" != "yes" && test "$PHP_MONGODB_SSL" != "no"; then
	+ AC_SUBST(MONGOC_ENABLE_MONGODB_AWS_AUTH, 1)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/kms-message/src/], $PHP_MONGODB_KMS_MESSAGE_SOURCES, $PHP_MONGODB_BUNDLED_CFLAGS)
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/kms-message/src/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/kms-message/src/])
	+ fi
	+
	+ dnl TODO: Use $ext_srcdir if we can move this after PHP_NEW_EXTENSION
	+ ac_config_dir=PHP_EXT_SRCDIR(mongodb)
	+
	+ AC_CONFIG_FILES([
	+ ${ac_config_dir}/src/libmongoc/src/common/common-config.h
	+ ${ac_config_dir}/src/libmongoc/src/libbson/src/bson/bson-config.h
	+ ${ac_config_dir}/src/libmongoc/src/libbson/src/bson/bson-version.h
	+ ${ac_config_dir}/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h
	+ ${ac_config_dir}/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h
	+ ])
	+
	+ if test "x$bundled_zlib" = "xyes"; then
	+ PHP_MONGODB_ZLIB_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_ZLIB_CFLAGS"
	+ PHP_MONGODB_ADD_SOURCES([src/libmongoc/src/zlib-1.2.11/], $PHP_MONGODB_ZLIB_SOURCES, $PHP_MONGODB_ZLIB_CFLAGS)
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongoc/src/zlib-1.2.11/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongoc/src/zlib-1.2.11/])
	+ AC_CONFIG_FILES([${ac_config_dir}/src/libmongoc/src/zlib-1.2.11/zconf.h])
	+ fi
	+
	+ if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" = "yes"; then
	+ dnl Since libmongocrypt adds kms-message, we can enable AWS auth in this case
	+ AC_SUBST(MONGOC_ENABLE_MONGODB_AWS_AUTH, 1)
	+ AC_SUBST(MONGOCRYPT_ENABLE_TRACE, 1)
	+
	+ dnl Generated with: find src/libmongocrypt/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 4- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_MONGOCRYPT_SOURCES="mongocrypt-binary.c mongocrypt-buffer.c mongocrypt.c mongocrypt-cache.c mongocrypt-cache-collinfo.c mongocrypt-cache-key.c mongocrypt-cache-oauth.c mongocrypt-ciphertext.c mongocrypt-crypto.c mongocrypt-ctx.c mongocrypt-ctx-datakey.c mongocrypt-ctx-decrypt.c mongocrypt-ctx-encrypt.c mongocrypt-endpoint.c mongocrypt-kek.c mongocrypt-key-broker.c mongocrypt-key.c mongocrypt-kms-ctx.c mongocrypt-log.c mongocrypt-marking.c mongocrypt-opts.c mongocrypt-status.c mongocrypt-traverse-util.c mongocrypt-util.c"
	+
	+ dnl Generated with: find src/libmongocrypt/src/crypto -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES="cng.c commoncrypto.c libcrypto.c none.c"
	+
	+ dnl Note: src/libmongocrypt/src/mlib/ does not contain source files (as of libmongocrypt 1.3.2)
	+
	+ dnl Generated with: find src/libmongocrypt/src/os_posix -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES="os_dll.c os_mutex.c"
	+
	+ dnl Generated with: find src/libmongocrypt/src/os_win -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES="os_dll.c os_mutex.c"
	+
	+ dnl Generated with: find src/libmongocrypt/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES="hexlify.c kms_azure_request.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_gcp_request.c kms_kmip_reader_writer.c kms_kmip_request.c kms_kmip_response.c kms_kmip_response_parser.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c"
	+
	+ PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS"
	+ PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/], $PHP_MONGODB_MONGOCRYPT_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/crypto/], $PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/os_posix/], $PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/src/os_win/], $PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	+ PHP_MONGODB_ADD_SOURCES([src/libmongocrypt/kms-message/src/], $PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES, $PHP_MONGODB_LIBMONGOCRYPT_CFLAGS)
	+
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongocrypt/src/])
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongocrypt/kms-message/src/])
	+ PHP_MONGODB_ADD_INCLUDE([src/libmongocrypt-compat/])
	+
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/crypto/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/os_posix/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/src/os_win/])
	+ PHP_MONGODB_ADD_BUILD_DIR([src/libmongocrypt/kms-message/src/])
	+
	+ AC_CONFIG_FILES([
	+ ${ac_config_dir}/src/libmongocrypt/src/mongocrypt-config.h
	+ ${ac_config_dir}/src/libmongocrypt/src/mongocrypt.h
	+ ])
	+ fi
	+ fi
	+
	+ PHP_NEW_EXTENSION(mongodb, $PHP_MONGODB_SOURCES, $ext_shared,, $PHP_MONGODB_CFLAGS)
	+
	+ PHP_SUBST(MONGODB_SHARED_LIBADD)
	+
	+ PHP_ADD_EXTENSION_DEP(mongodb, date)
	+ PHP_ADD_EXTENSION_DEP(mongodb, json)
	+ PHP_ADD_EXTENSION_DEP(mongodb, spl)
	+ PHP_ADD_EXTENSION_DEP(mongodb, standard)
	+
	+ PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/])
	+ PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/BSON/])
	+ PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/MongoDB/])
	+ PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/MongoDB/Exception/])
	+ PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/MongoDB/Monitoring/])
	+ PHP_ADD_INCLUDE(PHP_EXT_SRCDIR(mongodb)[/src/contrib/])
	+
	+ PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/])
	+ PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/BSON/])
	+ PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/MongoDB/])
	+ PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/MongoDB/Exception/])
	+ PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/MongoDB/Monitoring/])
	+ PHP_ADD_BUILD_DIR(PHP_EXT_BUILDDIR(mongodb)[/src/contrib/])
	+
	+ dnl Necessary to ensure that static builds include "-pthread" when linking
	+ if test "$ext_shared" != "yes"; then
	+ EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM $EXTRA_LDFLAGS"
	+ fi
	+
	+ dnl This must come after PHP_NEW_EXTENSION, otherwise the srcdir won't be set
	+ PHP_ADD_MAKEFILE_FRAGMENT
	+
	+ dnl The libmongocrypt line intentionally uses the PHP_LIBBSON flag as that decides whether to build against bundled or system libraries.
	+ AC_CONFIG_COMMANDS_POST([
	+ if test "$enable_static" = "no"; then
	+ echo "
	+mongodb was configured with the following options:
	+
	+Build configuration:
	+ CFLAGS : $CFLAGS
	+ Extra CFLAGS : $STD_CFLAGS $EXTRA_CFLAGS
	+ Developers flags (slow) : $MAINTAINER_CFLAGS
	+ Code Coverage flags (extra slow) : $COVERAGE_CFLAGS
	+ libmongoc : $PHP_MONGODB_BSON_VERSION_STRING
	+ libbson : $PHP_MONGODB_MONGOC_VERSION_STRING
	+ libmongocrypt : $PHP_MONGODB_MONGOCRYPT_VERSION_STRING
	+ LDFLAGS : $LDFLAGS
	+ EXTRA_LDFLAGS : $EXTRA_LDFLAGS
	+ MONGODB_SHARED_LIBADD : $MONGODB_SHARED_LIBADD
	+
	+Please submit bugreports at:
	+ https://jira.mongodb.org/browse/PHPC
	+
	+"
	+ fi
	+ ])
	+fi
	+
	+dnl: vim: et sw=2
	diff --git a/mongodb-1.13.0/config.w32 b/mongodb-1.13.0/config.w32
	new file mode 100644
	index 00000000..ba0d68b0
	--- /dev/null
	+++ b/mongodb-1.13.0/config.w32
	@@ -0,0 +1,383 @@
	+// vim:ft=javascript
	+
	+function mongodb_generate_header(inpath, outpath, replacements)
	+{
	+ STDOUT.WriteLine("Generating " + outpath);
	+
	+ var infile = FSO.OpenTextFile(inpath, 1);
	+ var outdata = infile.ReadAll();
	+ infile.Close();
	+
	+ for (var key in replacements) {
	+ var replacement = replacements[key];
	+
	+ if (typeof replacement === 'string') {
	+ replacement = replacement.replace(/"/g, '\\"');
	+ }
	+
	+ outdata = outdata.replace(new RegExp('@' + key + '@', 'g'), replacement);
	+ }
	+
	+ var outfile = FSO.CreateTextFile(outpath, true);
	+ outfile.Write(outdata);
	+ outfile.Close();
	+}
	+
	+function mongodb_parse_version_file(inpath, prefix)
	+{
	+ var infile = FSO.OpenTextFile(inpath, 1);
	+ var version = infile.ReadLine();
	+ infile.Close();
	+
	+ var xyz_pre = version.split("-");
	+ var xyz = xyz_pre[0].split(".");
	+ var pre = xyz_pre.length > 1 ? xyz_pre[1] : "";
	+
	+ var replacements = {};
	+ replacements[prefix + "VERSION"] = version;
	+ replacements[prefix + "MAJOR_VERSION"] = xyz[0];
	+ replacements[prefix + "MINOR_VERSION"] = xyz[1];
	+ replacements[prefix + "MICRO_VERSION"] = xyz[2];
	+ replacements[prefix + "PRERELEASE_VERSION"] = pre;
	+
	+ return replacements;
	+}
	+
	+function create_folder_recursive(path)
	+{
	+ if (FSO.FolderExists(path)) {
	+ return;
	+ }
	+
	+ create_folder_recursive(FSO.GetParentFolderName(path));
	+ FSO.CreateFolder(path);
	+}
	+
	+function MONGODB_ADD_SOURCES(dir, file_list)
	+{
	+ // Ensure obj_dir and all parent directories exist
	+ create_folder_recursive(FSO.BuildPath(get_define('BUILD_DIR'), dir));
	+ ADD_SOURCES(configure_module_dirname + dir, file_list, "mongodb", dir);
	+}
	+
	+ARG_ENABLE("mongodb", "MongoDB support", "no");
	+ARG_WITH("mongodb-sasl", "MongoDB: Build against Cyrus-SASL", "yes");
	+ARG_WITH("mongodb-client-side-encryption", "MongoDB: Enable client-side encryption", "yes");
	+
	+if (PHP_MONGODB != "no") {
	+ /* Note: ADD_EXTENSION_DEP() only reports the date and standard extensions as
	+ * installed in PHP 7.3.25+, 7.4.13+, and 8.0.0+). On other versions, assume
	+ * that they're always enabled. */
	+ if (
	+ PHP_VERSION >= 8 \|\|
	+ (PHP_VERSION == 7 && PHP_MINOR_VERSION == 3 && PHP_RELEASE_VERSION >= 25) \|\|
	+ (PHP_VERSION == 7 && PHP_MINOR_VERSION == 4 && PHP_RELEASE_VERSION >= 13)
	+ ) {
	+ ADD_EXTENSION_DEP("mongodb", "date", false);
	+ ADD_EXTENSION_DEP("mongodb", "standard", false);
	+ }
	+
	+ ADD_EXTENSION_DEP("mongodb", "json", false);
	+ ADD_EXTENSION_DEP("mongodb", "spl", false);
	+
	+ /* MongoDB does not actually depend on PHP's OpenSSL extension, but this is in
	+ * place to ensure that later SSL library checks succeed. This can be removed
	+ * once we support building with Secure Channel. */
	+ ADD_EXTENSION_DEP("mongodb", "openssl", false);
	+
	+ var PHP_MONGODB_CFLAGS="\
	+ /D BSON_COMPILATION /D MONGOC_COMPILATION \
	+ /I" + configure_module_dirname + " \
	+ /I" + configure_module_dirname + "/src \
	+ /I" + configure_module_dirname + "/src/BSON \
	+ /I" + configure_module_dirname + "/src/MongoDB \
	+ /I" + configure_module_dirname + "/src/MongoDB/Exception \
	+ /I" + configure_module_dirname + "/src/MongoDB/Monitoring \
	+ /I" + configure_module_dirname + "/src/contrib \
	+ /I" + configure_module_dirname + "/src/libmongoc/src/common \
	+ /I" + configure_module_dirname + "/src/libmongoc/src/libbson/src \
	+ /I" + configure_module_dirname + "/src/libmongoc/src/libbson/src/jsonsl \
	+ /I" + configure_module_dirname + "/src/libmongoc/src/libmongoc/src \
	+ ";
	+
	+ // Condense whitespace in CFLAGS
	+ PHP_MONGODB_CFLAGS = PHP_MONGODB_CFLAGS.replace(/\s+/g, ' ');
	+
	+ // On MacOS, use gcut from the coreutils brew package instead of cut
	+ // Generated with: find src/libmongoc/src/common -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_COMMON_SOURCES="common-b64.c common-md5.c common-thread.c"
	+
	+ // Generated with: find src/libmongoc/src/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 6- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_KMS_MESSAGE_SOURCES="hexlify.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c";
	+
	+ // Generated with: find src/libmongoc/src/libbson/src/bson -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_BSON_SOURCES="bcon.c bson-atomic.c bson.c bson-clock.c bson-context.c bson-decimal128.c bson-error.c bson-iso8601.c bson-iter.c bson-json.c bson-keys.c bson-md5.c bson-memory.c bson-oid.c bson-reader.c bson-string.c bson-timegm.c bson-utf8.c bson-value.c bson-version-functions.c bson-writer.c";
	+
	+ // Generated with: find src/libmongoc/src/libbson/src/jsonsl -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_JSONSL_SOURCES="jsonsl.c";
	+
	+ // Generated with: find src/libmongoc/src/libmongoc/src/mongoc -name '*.c' -print0 \| cut -sz -d / -f 7- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_MONGOC_SOURCES="mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-error.c mongoc-find-and-modify.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-command-legacy.c mongoc-write-concern.c";
	+
	+ EXTENSION("mongodb", "php_phongo.c", null, PHP_MONGODB_CFLAGS);
	+ MONGODB_ADD_SOURCES("/src", "phongo_apm.c phongo_bson.c phongo_bson_encode.c phongo_client.c phongo_compat.c phongo_error.c phongo_execute.c phongo_ini.c phongo_util.c");
	+ MONGODB_ADD_SOURCES("/src/BSON", "Binary.c BinaryInterface.c DBPointer.c Decimal128.c Decimal128Interface.c Int64.c Javascript.c JavascriptInterface.c MaxKey.c MaxKeyInterface.c MinKey.c MinKeyInterface.c ObjectId.c ObjectIdInterface.c Persistable.c Regex.c RegexInterface.c Serializable.c Symbol.c Timestamp.c TimestampInterface.c Type.c Undefined.c Unserializable.c UTCDateTime.c UTCDateTimeInterface.c functions.c");
	+ MONGODB_ADD_SOURCES("/src/MongoDB", "BulkWrite.c ClientEncryption.c Command.c Cursor.c CursorId.c CursorInterface.c Manager.c Query.c ReadConcern.c ReadPreference.c Server.c ServerApi.c ServerDescription.c Session.c TopologyDescription.c WriteConcern.c WriteConcernError.c WriteError.c WriteResult.c");
	+ MONGODB_ADD_SOURCES("/src/MongoDB/Exception", "AuthenticationException.c BulkWriteException.c CommandException.c ConnectionException.c ConnectionTimeoutException.c EncryptionException.c Exception.c ExecutionTimeoutException.c InvalidArgumentException.c LogicException.c RuntimeException.c ServerException.c SSLConnectionException.c UnexpectedValueException.c WriteException.c");
	+ MONGODB_ADD_SOURCES("/src/MongoDB/Monitoring", "CommandFailedEvent.c CommandStartedEvent.c CommandSubscriber.c CommandSucceededEvent.c SDAMSubscriber.c Subscriber.c ServerChangedEvent.c ServerClosedEvent.c ServerHeartbeatFailedEvent.c ServerHeartbeatStartedEvent.c ServerHeartbeatSucceededEvent.c ServerOpeningEvent.c TopologyChangedEvent.c TopologyClosedEvent.c TopologyOpeningEvent.c functions.c");
	+ MONGODB_ADD_SOURCES("/src/libmongoc/src/common", PHP_MONGODB_COMMON_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongoc/src/libbson/src/bson", PHP_MONGODB_BSON_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongoc/src/libbson/src/jsonsl", PHP_MONGODB_JSONSL_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongoc/src/libmongoc/src/mongoc", PHP_MONGODB_MONGOC_SOURCES);
	+
	+ var bson_opts = {
	+ BSON_BYTE_ORDER: 1234,
	+ BSON_OS: 2,
	+ BSON_HAVE_STDBOOL_H: 0,
	+ BSON_HAVE_STRINGS_H: 0,
	+ BSON_HAVE_ATOMIC_32_ADD_AND_FETCH: 0,
	+ BSON_HAVE_ATOMIC_64_ADD_AND_FETCH: 0,
	+ BSON_PTHREAD_ONCE_INIT_NEEDS_BRACES: 0,
	+ BSON_HAVE_CLOCK_GETTIME: 0,
	+ BSON_HAVE_STRNLEN: 0,
	+ BSON_HAVE_SNPRINTF: 0,
	+ BSON_HAVE_STRLCPY: 0,
	+ BSON_HAVE_REALLOCF: 0,
	+ BSON_NEEDS_SET_OUTPUT_FORMAT: 0,
	+ BSON_HAVE_TIMESPEC: 0,
	+ BSON_EXTRA_ALIGN: 0,
	+ BSON_HAVE_SYSCALL_TID: 0,
	+ BSON_HAVE_DECIMAL128: 0,
	+ BSON_HAVE_GMTIME_R: 0,
	+ BSON_HAVE_RAND_R: 0,
	+ BSON_HAVE_ARC4RANDOM_BUF: 0
	+ };
	+
	+ if (CHECK_FUNC_IN_HEADER("stdio.h", "_set_output_format")) {
	+ bson_opts.BSON_NEEDS_SET_OUTPUT_FORMAT = 1;
	+ }
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-config.h.in",
	+ configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-config.h",
	+ bson_opts
	+ );
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-version.h.in",
	+ configure_module_dirname + "/src/libmongoc/src/libbson/src/bson/bson-version.h",
	+ mongodb_parse_version_file(configure_module_dirname + "/src/LIBMONGOC_VERSION_CURRENT", "BSON_")
	+ );
	+
	+ var mongoc_opts = {
	+ // TODO: Support building with Secure Channel on Windows
	+ MONGOC_ENABLE_SSL_SECURE_CHANNEL: 0,
	+ MONGOC_ENABLE_CRYPTO_CNG: 0,
	+ // Secure Transport does not apply to Windows
	+ MONGOC_ENABLE_SSL_SECURE_TRANSPORT: 0,
	+ MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO: 0,
	+ MONGOC_ENABLE_SSL_LIBRESSL: 0,
	+ MONGOC_ENABLE_SSL_OPENSSL: 0,
	+ MONGOC_ENABLE_CRYPTO_LIBCRYPTO: 0,
	+ MONGOC_ENABLE_SSL: 0,
	+ MONGOC_ENABLE_CRYPTO: 0,
	+ MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE: 0,
	+ MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION: 0,
	+ MONGOC_ENABLE_COMPRESSION_SNAPPY: 0,
	+ MONGOC_ENABLE_COMPRESSION_ZLIB: 0,
	+ MONGOC_ENABLE_COMPRESSION_ZSTD: 0,
	+ MONGOC_ENABLE_COMPRESSION: 0,
	+ MONGOC_ENABLE_DEBUG_ASSERTIONS: 0,
	+ MONGOC_ENABLE_MONGODB_AWS_AUTH: 0,
	+ MONGOC_ENABLE_SASL: 0,
	+ MONGOC_ENABLE_SASL_CYRUS: 0,
	+ MONGOC_ENABLE_SASL_GSSAPI: 0,
	+ MONGOC_ENABLE_SASL_SSPI: 0,
	+ MONGOC_ENABLE_ICU: 0,
	+ MONGOC_ENABLE_RDTSCP: 0,
	+ MONGOC_ENABLE_SHM_COUNTERS: 0,
	+ MONGOC_HAVE_ASN1_STRING_GET0_DATA: 0,
	+ MONGOC_HAVE_SASL_CLIENT_DONE: 0,
	+ MONGOC_HAVE_SCHED_GETCPU: 0,
	+ MONGOC_HAVE_SOCKLEN: 1,
	+ MONGOC_HAVE_WEAK_SYMBOLS: 0,
	+ MONGOC_NO_AUTOMATIC_GLOBALS: 1,
	+ MONGOC_SOCKET_ARG2: "struct sockaddr",
	+ MONGOC_SOCKET_ARG3: "socklen_t",
	+ MONGOC_TRACE: 1,
	+ MONGOC_HAVE_DNSAPI: 0,
	+ MONGOC_HAVE_RES_NSEARCH: 0,
	+ MONGOC_HAVE_RES_NDESTROY: 0,
	+ MONGOC_HAVE_RES_NCLOSE: 0,
	+ MONGOC_HAVE_RES_SEARCH: 0,
	+ MONGOC_HAVE_SS_FAMILY: 0,
	+ MONGOC_CC: "",
	+ MONGOC_USER_SET_CFLAGS: "",
	+ MONGOC_USER_SET_LDFLAGS: ""
	+ };
	+
	+ var mongoc_ssl_path_to_check = PHP_MONGODB;
	+
	+ if (typeof PHP_OPENSSL === 'string') {
	+ mongoc_ssl_path_to_check += ";" + PHP_OPENSSL;
	+ }
	+
	+ var mongoc_ssl_found = false;
	+
	+ /* PHP 7.1.2 introduced SETUP_OPENSSL(), which supports OpenSSL 1.1.x. Earlier
	+ * versions will use the legacy check for OpenSSL 1.0.x and lower. */
	+ if (typeof SETUP_OPENSSL === 'function') {
	+ openssl_type = SETUP_OPENSSL("mongodb", mongoc_ssl_path_to_check);
	+ mongoc_ssl_found = openssl_type > 0;
	+ if (openssl_type >= 2) {
	+ mongoc_opts.MONGOC_HAVE_ASN1_STRING_GET0_DATA = 1;
	+ }
	+ } else if (CHECK_LIB("ssleay32.lib", "mongodb", mongoc_ssl_path_to_check) &&
	+ CHECK_LIB("libeay32.lib", "mongodb", mongoc_ssl_path_to_check) &&
	+ CHECK_LIB("crypt32.lib", "mongodb", mongoc_ssl_path_to_check) &&
	+ CHECK_HEADER_ADD_INCLUDE("openssl/ssl.h", "CFLAGS_MONGODB")) {
	+ mongoc_ssl_found = true;
	+ }
	+
	+ if (mongoc_ssl_found) {
	+ mongoc_opts.MONGOC_ENABLE_SSL_OPENSSL = 1;
	+ mongoc_opts.MONGOC_ENABLE_CRYPTO_LIBCRYPTO = 1;
	+ mongoc_opts.MONGOC_ENABLE_SSL = 1;
	+ mongoc_opts.MONGOC_ENABLE_CRYPTO = 1;
	+ mongoc_opts.MONGOC_ENABLE_MONGODB_AWS_AUTH = 1;
	+
	+ ADD_FLAG("CFLAGS_MONGODB", "/D KMS_MSG_STATIC=1 /D KMS_MESSAGE_ENABLE_CRYPTO=1 /D KMS_MESSAGE_ENABLE_CRYPTO_LIBCRYPTO=1");
	+ } else {
	+ WARNING("mongodb libopenssl support not enabled, libs not found");
	+ }
	+
	+ // TODO: Support building with native GSSAPI (SSPI) on Windows
	+ if (PHP_MONGODB_SASL != "no" &&
	+ CHECK_LIB("libsasl.lib", "mongodb", PHP_MONGODB) &&
	+ CHECK_HEADER_ADD_INCLUDE("sasl/sasl.h", "CFLAGS_MONGODB")) {
	+ mongoc_opts.MONGOC_ENABLE_SASL = 1;
	+ mongoc_opts.MONGOC_ENABLE_SASL_CYRUS = 1;
	+ if (CHECK_FUNC_IN_HEADER("sasl/sasl.h", "sasl_client_done")) {
	+ mongoc_opts.MONGOC_HAVE_SASL_CLIENT_DONE = 1;
	+ }
	+ } else if (PHP_MONGODB_SASL != "no") {
	+ WARNING("mongodb libsasl support not enabled, libs not found");
	+ }
	+
	+ if (PHP_MONGODB_CLIENT_SIDE_ENCRYPTION != "no" && mongoc_ssl_found) {
	+ mongoc_opts.MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION = 1;
	+
	+ ADD_FLAG("CFLAGS_MONGODB", "/D KMS_MESSAGE_LITTLE_ENDIAN=1 /D MLIB_USER=1");
	+ ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongocrypt/src");
	+ ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongocrypt/kms-message/src");
	+ ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongocrypt-compat");
	+
	+ var mongocrypt_opts = {
	+ MONGOCRYPT_ENABLE_TRACE: 1,
	+ MONGOCRYPT_ENABLE_CRYPTO: 1,
	+ MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO: 1,
	+ // TODO: Support building with Secure Channel on Windows
	+ MONGOCRYPT_ENABLE_CRYPTO_CNG: 0,
	+ // Secure Transport does not apply to Windows
	+ MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO: 0
	+ };
	+
	+ // Generated with: find src/libmongocrypt/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 4- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_MONGOCRYPT_SOURCES="mongocrypt-binary.c mongocrypt-buffer.c mongocrypt.c mongocrypt-cache.c mongocrypt-cache-collinfo.c mongocrypt-cache-key.c mongocrypt-cache-oauth.c mongocrypt-ciphertext.c mongocrypt-crypto.c mongocrypt-ctx.c mongocrypt-ctx-datakey.c mongocrypt-ctx-decrypt.c mongocrypt-ctx-encrypt.c mongocrypt-endpoint.c mongocrypt-kek.c mongocrypt-key-broker.c mongocrypt-key.c mongocrypt-kms-ctx.c mongocrypt-log.c mongocrypt-marking.c mongocrypt-opts.c mongocrypt-status.c mongocrypt-traverse-util.c mongocrypt-util.c";
	+
	+ // Generated with: find src/libmongocrypt/src/crypto -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES="cng.c commoncrypto.c libcrypto.c none.c";
	+
	+ // Note: src/libmongocrypt/src/mlib/ does not contain source files (as of libmongocrypt 1.3.2)
	+
	+ // Generated with: find src/libmongocrypt/src/os_posix -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES="os_dll.c os_mutex.c";
	+
	+ // Generated with: find src/libmongocrypt/src/os_win -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES="os_dll.c os_mutex.c";
	+
	+ // Generated with: find src/libmongocrypt/kms-message/src -maxdepth 1 -name '*.c' -print0 \| cut -sz -d / -f 5- \| sort -dz \| tr '\000' ' '
	+ var PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES="hexlify.c kms_azure_request.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_gcp_request.c kms_kmip_reader_writer.c kms_kmip_request.c kms_kmip_response.c kms_kmip_response_parser.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c";
	+
	+ MONGODB_ADD_SOURCES("/src/libmongocrypt/src", PHP_MONGODB_MONGOCRYPT_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongocrypt/src/crypto", PHP_MONGODB_MONGOCRYPT_CRYPTO_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongocrypt/src/os_posix", PHP_MONGODB_MONGOCRYPT_OS_POSIX_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongocrypt/src/os_win", PHP_MONGODB_MONGOCRYPT_OS_WIN_SOURCES);
	+ MONGODB_ADD_SOURCES("/src/libmongocrypt/kms-message/src", PHP_MONGODB_MONGOCRYPT_KMS_MESSAGE_SOURCES);
	+
	+ var mongocrypt_version = mongodb_parse_version_file(configure_module_dirname + "/src/LIBMONGOCRYPT_VERSION_CURRENT", "")
	+ mongocrypt_opts.MONGOCRYPT_BUILD_VERSION = mongocrypt_version.VERSION;
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongocrypt/src/mongocrypt-config.h.in",
	+ configure_module_dirname + "/src/libmongocrypt/src/mongocrypt-config.h",
	+ mongocrypt_opts
	+ );
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongocrypt/src/mongocrypt.h.in",
	+ configure_module_dirname + "/src/libmongocrypt/src/mongocrypt.h",
	+ mongocrypt_opts
	+ );
	+ } else if (PHP_MONGODB_CLIENT_SIDE_ENCRYPTION != "no") {
	+ // No SSL library found, we can't enable libmongocrypt
	+ WARNING("mongodb libmongocrypt support not enabled, crypto libs not found");
	+ }
	+
	+ if (PHP_MONGODB_CLIENT_SIDE_ENCRYPTION == "no" && mongoc_ssl_found) {
	+ // Add kms-message sources bundled with libmongoc
	+ MONGODB_ADD_SOURCES("/src/libmongoc/src/kms-message/src", PHP_MONGODB_KMS_MESSAGE_SOURCES);
	+ ADD_FLAG("CFLAGS_MONGODB", "/I" + configure_module_dirname + "/src/libmongoc/src/kms-message/src");
	+ }
	+
	+ if (CHECK_LIB("dnsapi.lib", "mongodb", PHP_MONGODB) &&
	+ CHECK_HEADER_ADD_INCLUDE("windns.h", "CFLAGS_MONGODB")) {
	+ mongoc_opts.MONGOC_HAVE_DNSAPI = 1;
	+ }
	+
	+ if (CHECK_LIB("icuuc.lib", "mongodb", PHP_MONGODB) &&
	+ CHECK_HEADER_ADD_INCLUDE("unicode/utf.h", "CFLAGS_MONGODB")) {
	+ mongoc_opts.MONGODB_ENABLE_ICU = 1;
	+
	+ ADD_FLAG("LIBS_MONGODB", "icudt.lib icuin.lib icuio.lib");
	+
	+ /* Compat for ICU before 58.1.*/
	+ if (CHECK_LIB("icule.lib", "mongodb", PHP_MONGODB)) {
	+ ADD_FLAG("LIBS_MONGODB", "icule.lib");
	+ }
	+ if (CHECK_LIB("iculx.lib", "mongodb", PHP_MONGODB)) {
	+ ADD_FLAG("LIBS_MONGODB", "iculx.lib");
	+ }
	+
	+ ADD_FLAG("CFLAGS_MONGODB", "/EHsc /D U_USING_ICU_NAMESPACE=1");
	+ }
	+
	+ if (typeof COMPILER_NAME === 'string') {
	+ mongoc_opts.MONGOC_CC = COMPILER_NAME;
	+ } else if (typeof VC_VERSIONS === 'array' && typeof VC_VERSIONS[VCVERS] === 'string') {
	+ mongoc_opts.MONGOC_CC = VC_VERSIONS[VCVERS];
	+ } else if (typeof COMPILER_NAME_LONG === 'string') {
	+ mongoc_opts.MONGOC_CC = COMPILER_NAME_LONG;
	+ }
	+
	+ /* MONGOC_USER_SET_CFLAGS and MONGOC_USER_SET_LDFLAGS can be left blank, as we
	+ * do not expect CFLAGS or LDFLAGS to be customized at build time. */
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in",
	+ configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h",
	+ mongoc_opts
	+ );
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongoc/src/common/common-config.h.in",
	+ configure_module_dirname + "/src/libmongoc/src/common/common-config.h",
	+ mongoc_opts
	+ );
	+
	+ mongodb_generate_header(
	+ configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h.in",
	+ configure_module_dirname + "/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h",
	+ mongodb_parse_version_file(configure_module_dirname + "/src/LIBMONGOC_VERSION_CURRENT", "MONGOC_")
	+ );
	+}
	diff --git a/mongodb-1.13.0/php_phongo.c b/mongodb-1.13.0/php_phongo.c
	new file mode 100644
	index 00000000..f46e8fcd
	--- /dev/null
	+++ b/mongodb-1.13.0/php_phongo.c
	@@ -0,0 +1,566 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+#include <mongocrypt/mongocrypt.h>
	+#endif
	+
	+#include <php.h>
	+#include <ext/standard/info.h>
	+
	+#include "php_phongo.h"
	+#include "src/phongo_client.h"
	+#include "src/phongo_error.h"
	+#include "src/phongo_ini.h"
	+#include "src/BSON/functions.h"
	+#include "src/MongoDB/Monitoring/functions.h"
	+
	+ZEND_DECLARE_MODULE_GLOBALS(mongodb)
	+#if defined(ZTS) && defined(COMPILE_DL_MONGODB)
	+ZEND_TSRMLS_CACHE_DEFINE();
	+#endif
	+
	+/* Initialize a thread counter, which will be atomically incremented in GINIT.
	+ * In turn, GSHUTDOWN will decrement the counter and call mongoc_cleanup() when
	+ * it reaches zero (i.e. last thread is shutdown). This is necessary because
	+ * mongoc_cleanup() must be called after all persistent clients have been
	+ * destroyed. */
	+static int32_t phongo_num_threads = 0;
	+
	+/* Declare zend_class_entry dependencies, which are initialized in MINIT */
	+zend_class_entry* php_phongo_date_immutable_ce;
	+zend_class_entry* php_phongo_json_serializable_ce;
	+
	+/* {{{ phongo_std_object_handlers */
	+zend_object_handlers phongo_std_object_handlers;
	+
	+zend_object_handlers* phongo_get_std_object_handlers(void)
	+{
	+ return &phongo_std_object_handlers;
	+}
	+/* }}} */
	+
	+/* {{{ Memory allocation wrappers */
	+static void* php_phongo_malloc(size_t num_bytes) /* {{{ */
	+{
	+ return pemalloc(num_bytes, 1);
	+} /* }}} */
	+
	+static void* php_phongo_calloc(size_t num_members, size_t num_bytes) /* {{{ */
	+{
	+ return pecalloc(num_members, num_bytes, 1);
	+} /* }}} */
	+
	+static void* php_phongo_realloc(void* mem, size_t num_bytes) /* {{{ */
	+{
	+ return perealloc(mem, num_bytes, 1);
	+} /* }}} */
	+
	+static void php_phongo_free(void* mem) /* {{{ */
	+{
	+ if (mem) {
	+ pefree(mem, 1);
	+ }
	+} /* }}} */
	+
	+PHP_RINIT_FUNCTION(mongodb) /* {{{ */
	+{
	+ /* Initialize HashTable for non-persistent clients, which is initialized to
	+ * NULL in GINIT and destroyed and reset to NULL in RSHUTDOWN. Although we
	+ * specify an element destructor here, all request clients should be freed
	+ * naturally via garbage collection (i.e. the HashTable should be empty at
	+ * the time it is destroyed in RSHUTDOWN). */
	+ if (MONGODB_G(request_clients) == NULL) {
	+ ALLOC_HASHTABLE(MONGODB_G(request_clients));
	+ zend_hash_init(MONGODB_G(request_clients), 0, NULL, php_phongo_pclient_destroy_ptr, 0);
	+ }
	+
	+ /* Initialize HashTable for APM subscribers, which is initialized to NULL in
	+ * GINIT and destroyed and reset to NULL in RSHUTDOWN. Since this HashTable
	+ * will store subscriber object zvals, we specify ZVAL_PTR_DTOR as its
	+ * element destructor so that any still-registered subscribers can be freed
	+ * in RSHUTDOWN. */
	+ if (MONGODB_G(subscribers) == NULL) {
	+ ALLOC_HASHTABLE(MONGODB_G(subscribers));
	+ zend_hash_init(MONGODB_G(subscribers), 0, NULL, ZVAL_PTR_DTOR, 0);
	+ }
	+
	+ /* Initialize HashTable for registering Manager objects. This is initialized
	+ * to NULL in GINIT and destroyed and reset to NULL in RSHUTDOWN. Since this
	+ * HashTable stores pointers to existing php_phongo_manager_t objects (not
	+ * counted references), the element destructor is intentionally NULL. */
	+ if (MONGODB_G(managers) == NULL) {
	+ ALLOC_HASHTABLE(MONGODB_G(managers));
	+ zend_hash_init(MONGODB_G(managers), 0, NULL, NULL, 0);
	+ }
	+
	+ return SUCCESS;
	+} /* }}} */
	+
	+PHP_GINIT_FUNCTION(mongodb) /* {{{ */
	+{
	+#if defined(COMPILE_DL_MONGODB) && defined(ZTS)
	+ ZEND_TSRMLS_CACHE_UPDATE();
	+#endif
	+
	+ /* Increment the thread counter. */
	+ bson_atomic_int32_fetch_add(&phongo_num_threads, 1, bson_memory_order_seq_cst);
	+
	+ /* Clear extension globals */
	+ memset(mongodb_globals, 0, sizeof(zend_mongodb_globals));
	+
	+ /* Initialize HashTable for persistent clients, which will be destroyed in
	+ * GSHUTDOWN. We specify an element destructor so that persistent clients
	+ * can be destroyed along with the HashTable. The HashTable's struct is
	+ * nested within globals, so no allocation is needed (unlike the HashTables
	+ * allocated in RINIT). */
	+ zend_hash_init(&mongodb_globals->persistent_clients, 0, NULL, php_phongo_pclient_destroy_ptr, 1);
	+} /* }}} */
	+
	+static zend_class_entry* php_phongo_fetch_internal_class(const char* class_name, size_t class_name_len)
	+{
	+ zend_class_entry* pce;
	+
	+ if ((pce = zend_hash_str_find_ptr(CG(class_table), class_name, class_name_len))) {
	+ return pce;
	+ }
	+
	+ return NULL;
	+}
	+
	+static HashTable* php_phongo_std_get_gc(phongo_compat_object_handler_type* object, zval** table, int* n) /* {{{ */
	+{
	+ *table = NULL;
	+ *n = 0;
	+ return zend_std_get_properties(object);
	+} /* }}} */
	+
	+PHP_MINIT_FUNCTION(mongodb) /* {{{ */
	+{
	+ bson_mem_vtable_t bson_mem_vtable = {
	+ php_phongo_malloc,
	+ php_phongo_calloc,
	+ php_phongo_realloc,
	+ php_phongo_free,
	+ };
	+
	+ (void) type; /* We don't care if we are loaded via dl() or extension= */
	+
	+ phongo_register_ini_entries(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ /* Assign our custom vtable to libbson, so all memory allocation in libbson
	+ * (and libmongoc) will use PHP's persistent memory API. After doing so,
	+ * initialize libmongoc. Later, we will shutdown libmongoc and restore
	+ * libbson's vtable in the final GSHUTDOWN. */
	+ bson_mem_set_vtable(&bson_mem_vtable);
	+ mongoc_init();
	+
	+ /* Prep default object handlers to be used when we register the classes */
	+ memcpy(&phongo_std_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ /* Disable cloning by default. Individual classes can opt in if they need to
	+ * support this (e.g. BSON objects). */
	+ phongo_std_object_handlers.clone_obj = NULL;
	+ /* Ensure that get_gc delegates to zend_std_get_properties directly in case
	+ * our class defines a get_properties handler for debugging purposes. */
	+ phongo_std_object_handlers.get_gc = php_phongo_std_get_gc;
	+
	+ /* Initialize zend_class_entry dependencies.
	+ *
	+ * Although DateTimeImmutable was introduced in PHP 5.5.0,
	+ * php_date_get_immutable_ce() is not available in PHP versions before
	+ * 5.5.24 and 5.6.8.
	+ *
	+ * Although JsonSerializable was introduced in PHP 5.4.0,
	+ * php_json_serializable_ce is not exported in PHP versions before 5.4.26
	+ * and 5.5.10. For later PHP versions, looking up the class manually also
	+ * helps with distros that disable LTDL_LAZY for dlopen() (e.g. Fedora).
	+ */
	+ php_phongo_date_immutable_ce = php_phongo_fetch_internal_class(ZEND_STRL("datetimeimmutable"));
	+ php_phongo_json_serializable_ce = php_phongo_fetch_internal_class(ZEND_STRL("jsonserializable"));
	+
	+ if (php_phongo_json_serializable_ce == NULL) {
	+ zend_error(E_ERROR, "JsonSerializable class is not defined. Please ensure that the 'json' module is loaded before the 'mongodb' module.");
	+ return FAILURE;
	+ }
	+
	+ /* Register base BSON classes first */
	+ php_phongo_type_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serializable_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_unserializable_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ php_phongo_binary_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_decimal128_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_javascript_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_maxkey_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_minkey_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_objectid_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_regex_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_timestamp_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_utcdatetime_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ php_phongo_binary_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_dbpointer_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_decimal128_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_int64_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_javascript_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_maxkey_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_minkey_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_objectid_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_persistable_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_regex_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_symbol_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_timestamp_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_undefined_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_utcdatetime_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ php_phongo_cursor_interface_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ php_phongo_bulkwrite_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_clientencryption_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_command_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_cursor_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_cursorid_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_manager_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_query_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_readconcern_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_readpreference_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_server_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverapi_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverdescription_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_topologydescription_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_session_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_writeconcern_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_writeconcernerror_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_writeerror_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_writeresult_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ /* Register base exception classes first */
	+ php_phongo_exception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_runtimeexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_connectionexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_writeexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ php_phongo_authenticationexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_bulkwriteexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_commandexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_connectiontimeoutexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_encryptionexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_executiontimeoutexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_invalidargumentexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_logicexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_sslconnectionexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_unexpectedvalueexception_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ /* Register base APM classes first */
	+ php_phongo_subscriber_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_commandsubscriber_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_commandfailedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_commandstartedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_commandsucceededevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_sdamsubscriber_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverchangedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverclosedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverheartbeatfailedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverheartbeatstartedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serverheartbeatsucceededevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_serveropeningevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_topologychangedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_topologyclosedevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+ php_phongo_topologyopeningevent_init_ce(INIT_FUNC_ARGS_PASSTHRU);
	+
	+ REGISTER_STRING_CONSTANT("MONGODB_VERSION", (char*) PHP_MONGODB_VERSION, CONST_CS \| CONST_PERSISTENT);
	+ REGISTER_STRING_CONSTANT("MONGODB_STABILITY", (char*) PHP_MONGODB_STABILITY, CONST_CS \| CONST_PERSISTENT);
	+
	+ return SUCCESS;
	+} /* }}} */
	+
	+PHP_MSHUTDOWN_FUNCTION(mongodb) /* {{{ */
	+{
	+ phongo_unregister_ini_entries(SHUTDOWN_FUNC_ARGS_PASSTHRU);
	+
	+ return SUCCESS;
	+} /* }}} */
	+
	+PHP_RSHUTDOWN_FUNCTION(mongodb) /* {{{ */
	+{
	+ /* Destroy HashTable for APM subscribers, which was initialized in RINIT. */
	+ if (MONGODB_G(subscribers)) {
	+ zend_hash_destroy(MONGODB_G(subscribers));
	+ FREE_HASHTABLE(MONGODB_G(subscribers));
	+ MONGODB_G(subscribers) = NULL;
	+ }
	+
	+ /* Destroy HashTable for non-persistent clients, which was initialized in
	+ * RINIT. This is intentionally done after the APM subscribers to allow any
	+ * non-persistent clients still referenced by a subscriber (not freed prior
	+ * to RSHUTDOWN) to be naturally garbage collected and freed by the Manager
	+ * free_object handler rather than the HashTable's element destructor. There
	+ * is no need to use zend_hash_graceful_reverse_destroy here like we do for
	+ * persistent clients; moreover, the HashTable should already be empty. */
	+ if (MONGODB_G(request_clients)) {
	+ zend_hash_destroy(MONGODB_G(request_clients));
	+ FREE_HASHTABLE(MONGODB_G(request_clients));
	+ MONGODB_G(request_clients) = NULL;
	+ }
	+
	+ /* Destroy HashTable for Managers, which was initialized in RINIT. */
	+ if (MONGODB_G(managers)) {
	+ zend_hash_destroy(MONGODB_G(managers));
	+ FREE_HASHTABLE(MONGODB_G(managers));
	+ MONGODB_G(managers) = NULL;
	+ }
	+
	+ return SUCCESS;
	+} /* }}} */
	+
	+PHP_GSHUTDOWN_FUNCTION(mongodb) /* {{{ */
	+{
	+ /* Destroy persistent client HashTable in reverse order. This is necessary
	+ * to prevent segmentation faults as clients may reference other clients in
	+ * encryption settings. */
	+ zend_hash_graceful_reverse_destroy(&mongodb_globals->persistent_clients);
	+
	+ phongo_log_disable(mongodb_globals->debug_fd);
	+ mongodb_globals->debug_fd = NULL;
	+
	+ /* Decrement the thread counter. If it reaches zero, we can infer that this
	+ * is the last thread, MSHUTDOWN has been called, persistent clients from
	+ * all threads have been destroyed, and it is now safe to shutdown libmongoc
	+ * and restore libbson's original vtable. */
	+ if (bson_atomic_int32_fetch_sub(&phongo_num_threads, 1, bson_memory_order_seq_cst) - 1 == 0) {
	+ mongoc_cleanup();
	+ bson_mem_restore_vtable();
	+ }
	+} /* }}} */
	+
	+PHP_MINFO_FUNCTION(mongodb) /* {{{ */
	+{
	+ php_info_print_table_start();
	+ php_info_print_table_header(2, "MongoDB support", "enabled");
	+ php_info_print_table_row(2, "MongoDB extension version", PHP_MONGODB_VERSION);
	+ php_info_print_table_row(2, "MongoDB extension stability", PHP_MONGODB_STABILITY);
	+
	+#ifdef HAVE_SYSTEM_LIBBSON
	+ php_info_print_table_row(2, "libbson headers version", BSON_VERSION_S);
	+ php_info_print_table_row(2, "libbson library version", bson_get_version());
	+#else
	+ php_info_print_table_row(2, "libbson bundled version", BSON_VERSION_S);
	+#endif
	+
	+#ifdef HAVE_SYSTEM_LIBMONGOC
	+ php_info_print_table_row(2, "libmongoc headers version", MONGOC_VERSION_S);
	+ php_info_print_table_row(2, "libmongoc library version", mongoc_get_version());
	+#else
	+ /* Bundled libraries, buildtime = runtime */
	+ php_info_print_table_row(2, "libmongoc bundled version", MONGOC_VERSION_S);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ php_info_print_table_row(2, "libmongoc SSL", "enabled");
	+#if defined(MONGOC_ENABLE_SSL_OPENSSL)
	+ php_info_print_table_row(2, "libmongoc SSL library", "OpenSSL");
	+#elif defined(MONGOC_ENABLE_SSL_LIBRESSL)
	+ php_info_print_table_row(2, "libmongoc SSL library", "LibreSSL");
	+#elif defined(MONGOC_ENABLE_SSL_SECURE_TRANSPORT)
	+ php_info_print_table_row(2, "libmongoc SSL library", "Secure Transport");
	+#elif defined(MONGOC_ENABLE_SSL_SECURE_CHANNEL)
	+ php_info_print_table_row(2, "libmongoc SSL library", "Secure Channel");
	+#else
	+ php_info_print_table_row(2, "libmongoc SSL library", "unknown");
	+#endif
	+#else /* MONGOC_ENABLE_SSL */
	+ php_info_print_table_row(2, "libmongoc SSL", "disabled");
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ php_info_print_table_row(2, "libmongoc crypto", "enabled");
	+#if defined(MONGOC_ENABLE_CRYPTO_LIBCRYPTO)
	+ php_info_print_table_row(2, "libmongoc crypto library", "libcrypto");
	+#elif defined(MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO)
	+ php_info_print_table_row(2, "libmongoc crypto library", "Common Crypto");
	+#elif defined(MONGOC_ENABLE_CRYPTO_CNG)
	+ php_info_print_table_row(2, "libmongoc crypto library", "CNG");
	+#else
	+ php_info_print_table_row(2, "libmongoc crypto library", "unknown");
	+#endif
	+#ifdef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	+ php_info_print_table_row(2, "libmongoc crypto system profile", "enabled");
	+#else
	+ php_info_print_table_row(2, "libmongoc crypto system profile", "disabled");
	+#endif
	+#else /* MONGOC_ENABLE_CRYPTO */
	+ php_info_print_table_row(2, "libmongoc crypto", "disabled");
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SASL
	+ php_info_print_table_row(2, "libmongoc SASL", "enabled");
	+#else
	+ php_info_print_table_row(2, "libmongoc SASL", "disabled");
	+#endif
	+
	+#ifdef MONGOC_ENABLE_ICU
	+ php_info_print_table_row(2, "libmongoc ICU", "enabled");
	+#else
	+ php_info_print_table_row(2, "libmongoc ICU", "disabled");
	+#endif
	+
	+#ifdef MONGOC_ENABLE_COMPRESSION
	+ php_info_print_table_row(2, "libmongoc compression", "enabled");
	+#ifdef MONGOC_ENABLE_COMPRESSION_SNAPPY
	+ php_info_print_table_row(2, "libmongoc compression snappy", "enabled");
	+#else
	+ php_info_print_table_row(2, "libmongoc compression snappy", "disabled");
	+#endif
	+#ifdef MONGOC_ENABLE_COMPRESSION_ZLIB
	+ php_info_print_table_row(2, "libmongoc compression zlib", "enabled");
	+#else
	+ php_info_print_table_row(2, "libmongoc compression zlib", "disabled");
	+#endif
	+#ifdef MONGOC_ENABLE_COMPRESSION_ZSTD
	+ php_info_print_table_row(2, "libmongoc compression zstd", "enabled");
	+#else
	+ php_info_print_table_row(2, "libmongoc compression zstd", "disabled");
	+#endif
	+#else /* MONGOC_ENABLE_COMPRESSION */
	+ php_info_print_table_row(2, "libmongoc compression", "disabled");
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+#ifdef HAVE_SYSTEM_LIBMONGOCRYPT
	+ php_info_print_table_row(2, "libmongocrypt headers version", MONGOCRYPT_VERSION);
	+ php_info_print_table_row(2, "libmongocrypt library version", mongocrypt_version(NULL));
	+#else
	+ php_info_print_table_row(2, "libmongocrypt bundled version", MONGOCRYPT_VERSION);
	+#endif
	+
	+#ifdef MONGOCRYPT_ENABLE_CRYPTO
	+ php_info_print_table_row(2, "libmongocrypt crypto", "enabled");
	+
	+#if defined(MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO)
	+ php_info_print_table_row(2, "libmongocrypt crypto library", "libcrypto");
	+#elif defined(MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO)
	+ php_info_print_table_row(2, "libmongocrypt crypto library", "Common Crypto");
	+#elif defined(MONGOCRYPT_ENABLE_CRYPTO_CNG)
	+ php_info_print_table_row(2, "libmongocrypt crypto library", "CNG");
	+#else
	+ php_info_print_table_row(2, "libmongocrypt crypto library", "unknown");
	+#endif
	+#else /* MONGOCRYPT_ENABLE_CRYPTO */
	+ php_info_print_table_row(2, "libmongocrypt crypto", "disabled");
	+#endif
	+#else /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	+ php_info_print_table_row(2, "libmongocrypt", "disabled");
	+#endif
	+
	+ php_info_print_table_end();
	+
	+ phongo_display_ini_entries(ZEND_MODULE_INFO_FUNC_ARGS_PASSTHRU);
	+} /* }}} */
	+
	+/* {{{ Shared function entries for disabling constructors and unserialize() */
	+PHP_FUNCTION(MongoDB_disabled___construct) /* {{{ */
	+{
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Accessing private constructor");
	+} /* }}} */
	+
	+PHP_FUNCTION(MongoDB_disabled___wakeup) /* {{{ */
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "%s", "MongoDB\\Driver objects cannot be serialized");
	+} /* }}} */
	+/* }}} */
	+
	+/* {{{ Extension functions, module dependencies, and module entry */
	+ZEND_BEGIN_ARG_INFO_EX(ai_bson_fromPHP, 0, 0, 1)
	+ ZEND_ARG_INFO(0, value)
	+ZEND_END_ARG_INFO();
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_bson_toPHP, 0, 0, 1)
	+ ZEND_ARG_INFO(0, bson)
	+ ZEND_ARG_ARRAY_INFO(0, typemap, 0)
	+ZEND_END_ARG_INFO();
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_bson_toJSON, 0, 0, 1)
	+ ZEND_ARG_INFO(0, bson)
	+ZEND_END_ARG_INFO();
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_bson_fromJSON, 0, 0, 1)
	+ ZEND_ARG_INFO(0, json)
	+ZEND_END_ARG_INFO();
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_mongodb_driver_monitoring_subscriber, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, subscriber, MongoDB\\Driver\\Monitoring\\Subscriber, 0)
	+ZEND_END_ARG_INFO();
	+
	+static const zend_function_entry mongodb_functions[] = {
	+ /* clang-format off */
	+ ZEND_NS_NAMED_FE("MongoDB\\BSON", fromPHP, PHP_FN(MongoDB_BSON_fromPHP), ai_bson_fromPHP)
	+ ZEND_NS_NAMED_FE("MongoDB\\BSON", toPHP, PHP_FN(MongoDB_BSON_toPHP), ai_bson_toPHP)
	+ ZEND_NS_NAMED_FE("MongoDB\\BSON", toJSON, PHP_FN(MongoDB_BSON_toJSON), ai_bson_toJSON)
	+ ZEND_NS_NAMED_FE("MongoDB\\BSON", toCanonicalExtendedJSON, PHP_FN(MongoDB_BSON_toCanonicalExtendedJSON), ai_bson_toJSON)
	+ ZEND_NS_NAMED_FE("MongoDB\\BSON", toRelaxedExtendedJSON, PHP_FN(MongoDB_BSON_toRelaxedExtendedJSON), ai_bson_toJSON)
	+ ZEND_NS_NAMED_FE("MongoDB\\BSON", fromJSON, PHP_FN(MongoDB_BSON_fromJSON), ai_bson_fromJSON)
	+ ZEND_NS_NAMED_FE("MongoDB\\Driver\\Monitoring", addSubscriber, PHP_FN(MongoDB_Driver_Monitoring_addSubscriber), ai_mongodb_driver_monitoring_subscriber)
	+ ZEND_NS_NAMED_FE("MongoDB\\Driver\\Monitoring", removeSubscriber, PHP_FN(MongoDB_Driver_Monitoring_removeSubscriber), ai_mongodb_driver_monitoring_subscriber)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+
	+static const zend_module_dep mongodb_deps[] = {
	+ /* clang-format off */
	+ ZEND_MOD_REQUIRED("date")
	+ ZEND_MOD_REQUIRED("json")
	+ ZEND_MOD_REQUIRED("spl")
	+ ZEND_MOD_REQUIRED("standard")
	+ ZEND_MOD_END
	+ /* clang-format on */
	+};
	+
	+zend_module_entry mongodb_module_entry = {
	+ STANDARD_MODULE_HEADER_EX,
	+ NULL,
	+ mongodb_deps,
	+ "mongodb",
	+ mongodb_functions,
	+ PHP_MINIT(mongodb),
	+ PHP_MSHUTDOWN(mongodb),
	+ PHP_RINIT(mongodb),
	+ PHP_RSHUTDOWN(mongodb),
	+ PHP_MINFO(mongodb),
	+ PHP_MONGODB_VERSION,
	+ PHP_MODULE_GLOBALS(mongodb),
	+ PHP_GINIT(mongodb),
	+ PHP_GSHUTDOWN(mongodb),
	+ NULL,
	+ STANDARD_MODULE_PROPERTIES_EX
	+};
	+/* }}} */
	+
	+#ifdef COMPILE_DL_MONGODB
	+ZEND_GET_MODULE(mongodb)
	+#endif
	diff --git a/mongodb-1.13.0/php_phongo.h b/mongodb-1.13.0/php_phongo.h
	new file mode 100644
	index 00000000..ca54b4c2
	--- /dev/null
	+++ b/mongodb-1.13.0/php_phongo.h
	@@ -0,0 +1,117 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_H
	+#define PHONGO_H
	+
	+#ifdef HAVE_CONFIG_H
	+#include "config.h"
	+#endif
	+
	+/* Include headers for getpid(), which is used by PHONGO_SET_CREATED_BY_PID.
	+ * This is based on PHP's ext/standard/pageinfo.c includes for getmypid. */
	+#if HAVE_UNISTD_H
	+#include <unistd.h>
	+#endif
	+#ifdef PHP_WIN32
	+#include <process.h>
	+#endif
	+
	+#include "phongo_version.h"
	+#include "phongo_compat.h"
	+#include "phongo_classes.h"
	+#include "phongo_structs.h"
	+
	+/* Define a common logging domain for the extension. Individual files may
	+ * override the domain after including this header (e.g. phongo_bson.c). */
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "PHONGO"
	+
	+#define phpext_mongodb_ptr &mongodb_module_entry
	+extern zend_module_entry mongodb_module_entry;
	+
	+ZEND_BEGIN_MODULE_GLOBALS(mongodb)
	+ char* debug;
	+ FILE* debug_fd;
	+ bool mock_service_id;
	+ HashTable persistent_clients;
	+ HashTable* request_clients;
	+ HashTable* subscribers;
	+ HashTable* managers;
	+ZEND_END_MODULE_GLOBALS(mongodb)
	+
	+#define MONGODB_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(mongodb, v)
	+#if defined(ZTS) && defined(COMPILE_DL_MONGODB)
	+ZEND_TSRMLS_CACHE_EXTERN()
	+#endif
	+
	+zend_object_handlers* phongo_get_std_object_handlers(void);
	+
	+#define PHONGO_CE_FINAL(ce) \
	+ do { \
	+ ce->ce_flags \|= ZEND_ACC_FINAL; \
	+ } while (0)
	+
	+#if PHP_VERSION_ID < 80100
	+#define PHONGO_CE_DISABLE_SERIALIZATION(ce) \
	+ do { \
	+ ce->serialize = zend_class_serialize_deny; \
	+ ce->unserialize = zend_class_unserialize_deny; \
	+ } while (0)
	+#else
	+#define PHONGO_CE_DISABLE_SERIALIZATION(ce) \
	+ do { \
	+ ce->ce_flags \|= ZEND_ACC_NOT_SERIALIZABLE; \
	+ } while (0)
	+#endif
	+
	+#define PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, size) \
	+ do { \
	+ if (is_temp) { \
	+ ALLOC_HASHTABLE(props); \
	+ zend_hash_init((props), (size), NULL, ZVAL_PTR_DTOR, 0); \
	+ } else if ((intern)->properties) { \
	+ (props) = (intern)->properties; \
	+ } else { \
	+ ALLOC_HASHTABLE(props); \
	+ zend_hash_init((props), (size), NULL, ZVAL_PTR_DTOR, 0); \
	+ (intern)->properties = (props); \
	+ } \
	+ } while (0)
	+
	+#define PHONGO_GET_PROPERTY_HASH_FREE_PROPS(is_temp, props) \
	+ do { \
	+ if (is_temp) { \
	+ zend_hash_destroy((props)); \
	+ FREE_HASHTABLE(props); \
	+ } \
	+ } while (0)
	+
	+#define PHONGO_ZVAL_CLASS_OR_TYPE_NAME(zv) (Z_TYPE(zv) == IS_OBJECT ? ZSTR_VAL(Z_OBJCE(zv)->name) : zend_get_type_by_const(Z_TYPE(zv)))
	+#define PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zvp) PHONGO_ZVAL_CLASS_OR_TYPE_NAME(*(zvp))
	+
	+#define PHONGO_ZVAL_EXCEPTION_NAME(e) (ZSTR_VAL(e->ce->name))
	+
	+#define PHONGO_SET_CREATED_BY_PID(intern) \
	+ do { \
	+ (intern)->created_by_pid = (int) getpid(); \
	+ } while (0)
	+
	+/* Shared function entries for disabling constructors and unserialize() */
	+PHP_FUNCTION(MongoDB_disabled___construct);
	+PHP_FUNCTION(MongoDB_disabled___wakeup);
	+
	+#endif /* PHONGO_H */
	diff --git a/mongodb-1.12.0/scripts/autotools/CheckCompiler.m4 b/mongodb-1.13.0/scripts/autotools/CheckCompiler.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/CheckCompiler.m4
	rename to mongodb-1.13.0/scripts/autotools/CheckCompiler.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/CheckHost.m4 b/mongodb-1.13.0/scripts/autotools/CheckHost.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/CheckHost.m4
	rename to mongodb-1.13.0/scripts/autotools/CheckHost.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libbson/CheckAtomics.m4 b/mongodb-1.13.0/scripts/autotools/libbson/CheckAtomics.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libbson/CheckAtomics.m4
	rename to mongodb-1.13.0/scripts/autotools/libbson/CheckAtomics.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libbson/CheckHeaders.m4 b/mongodb-1.13.0/scripts/autotools/libbson/CheckHeaders.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libbson/CheckHeaders.m4
	rename to mongodb-1.13.0/scripts/autotools/libbson/CheckHeaders.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libbson/Endian.m4 b/mongodb-1.13.0/scripts/autotools/libbson/Endian.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libbson/Endian.m4
	rename to mongodb-1.13.0/scripts/autotools/libbson/Endian.m4
	diff --git a/mongodb-1.13.0/scripts/autotools/libbson/FindDependencies.m4 b/mongodb-1.13.0/scripts/autotools/libbson/FindDependencies.m4
	new file mode 100644
	index 00000000..8950c5ee
	--- /dev/null
	+++ b/mongodb-1.13.0/scripts/autotools/libbson/FindDependencies.m4
	@@ -0,0 +1,125 @@
	+if test "$os_win32" != "yes"; then
	+ PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS -D_DEFAULT_SOURCE"
	+fi
	+
	+# Check for strnlen()
	+dnl AC_CHECK_FUNC isn't properly respecting _XOPEN_SOURCE for strnlen for unknown reason
	+AC_SUBST(BSON_HAVE_STRNLEN, 0)
	+AC_CACHE_CHECK([for strnlen],
	+ bson_cv_have_strnlen,
	+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	+#include <string.h>
	+int strnlen () { return 0; }
	+]])],
	+ [bson_cv_have_strnlen=no],
	+ [bson_cv_have_strnlen=yes])])
	+if test "$bson_cv_have_strnlen" = yes; then
	+ AC_SUBST(BSON_HAVE_STRNLEN, 1)
	+fi
	+
	+# Check for reallocf() (BSD/Darwin)
	+AC_SUBST(BSON_HAVE_REALLOCF, 0)
	+AC_CACHE_CHECK([for reallocf],
	+ bson_cv_have_reallocf,
	+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	+#include <stdlib.h>
	+int reallocf () { return 0; }
	+]])],
	+ [bson_cv_have_reallocf=no],
	+ [bson_cv_have_reallocf=yes])])
	+if test "$bson_cv_have_reallocf" = yes; then
	+ AC_SUBST(BSON_HAVE_REALLOCF, 1)
	+fi
	+
	+# Check for syscall()
	+AC_SUBST(BSON_HAVE_SYSCALL_TID, 0)
	+AC_CACHE_CHECK([for syscall],
	+ bson_cv_have_syscall_tid,
	+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	+#include <unistd.h>
	+#include <sys/syscall.h>
	+int syscall () { return 0; }
	+]])],
	+ [bson_cv_have_syscall_tid=no],
	+ [bson_cv_have_syscall_tid=yes])])
	+if test "$bson_cv_have_syscall_tid" = yes -a "$os_darwin" != "yes"; then
	+ AC_CACHE_CHECK([for SYS_gettid],
	+ bson_cv_have_sys_gettid_tid,
	+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	+#include <unistd.h>
	+#include <sys/syscall.h>
	+int gettid () { return SYS_gettid; }
	+ ]])],
	+ [bson_cv_have_sys_gettid_tid=yes],
	+ [bson_cv_have_sys_gettid_tid=no])])
	+ if test "$bson_cv_have_sys_gettid_tid" = yes; then
	+ AC_SUBST(BSON_HAVE_SYSCALL_TID, 1)
	+ fi
	+fi
	+
	+# Check for snprintf()
	+AC_SUBST(BSON_HAVE_SNPRINTF, 0)
	+AC_CHECK_FUNC(snprintf, [AC_SUBST(BSON_HAVE_SNPRINTF, 1)])
	+
	+# Check for strlcpy()
	+AC_SUBST(BSON_HAVE_STRLCPY, 0)
	+AC_CHECK_FUNC(strlcpy, [AC_SUBST(BSON_HAVE_STRLCPY, 1)])
	+
	+# Check for struct timespec
	+AC_SUBST(BSON_HAVE_TIMESPEC, 0)
	+AC_CHECK_TYPE([struct timespec], [AC_SUBST(BSON_HAVE_TIMESPEC, 1)], [], [#include <time.h>])
	+
	+# Check for clock_gettime and if it needs -lrt
	+AC_SUBST(BSON_HAVE_CLOCK_GETTIME, 0)
	+AC_SEARCH_LIBS([clock_gettime], [rt], [AC_SUBST(BSON_HAVE_CLOCK_GETTIME, 1)])
	+# Check if math functions need -lm
	+AC_SEARCH_LIBS([floor], [m])
	+
	+# Check for gmtime_r()
	+AC_SUBST(BSON_HAVE_GMTIME_R, 0)
	+AC_CHECK_FUNC(gmtime_r, [AC_SUBST(BSON_HAVE_GMTIME_R, 1)])
	+
	+# Check for rand_r()
	+AC_SUBST(BSON_HAVE_RAND_R, 0)
	+AC_CHECK_FUNC(rand_r, [AC_SUBST(BSON_HAVE_RAND_R, 1)])
	+
	+# Check for arc4random_buf()
	+AC_SUBST(BSON_HAVE_ARC4RANDOM_BUF, 0)
	+AC_CHECK_FUNC(arc4random_buf, [AC_SUBST(BSON_HAVE_ARC4RANDOM_BUF, 1)])
	+
	+# Check for pthreads. We might need to make this better to handle mingw,
	+# but I actually think it is okay to just check for it even though we will
	+# use win32 primatives.
	+AX_PTHREAD([
	+ PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PTHREAD_CFLAGS"
	+ PHP_EVAL_LIBLINE([$PTHREAD_LIBS],[MONGODB_SHARED_LIBADD])
	+
	+ # PTHREAD_CFLAGS may come back as "-pthread", which should also be used when
	+ # linking. We can trust PHP_EVAL_LIBLINE to ignore other values.
	+ PHP_EVAL_LIBLINE([$PTHREAD_CFLAGS],[MONGODB_SHARED_LIBADD])
	+],[
	+ AC_MSG_ERROR([libbson requires pthreads on non-Windows platforms.])
	+])
	+
	+
	+# The following is borrowed from the guile configure script.
	+#
	+# On past versions of Solaris, believe 8 through 10 at least, you
	+# had to write "pthread_once_t foo = { PTHREAD_ONCE_INIT };".
	+# This is contrary to POSIX:
	+# http://www.opengroup.org/onlinepubs/000095399/functions/pthread_once.html
	+# Check here if this style is required.
	+#
	+# glibc (2.3.6 at least) works both with or without braces, so the
	+# test checks whether it works without.
	+#
	+AC_SUBST(BSON_PTHREAD_ONCE_INIT_NEEDS_BRACES, 0)
	+AC_CACHE_CHECK([whether PTHREAD_ONCE_INIT needs braces],
	+ bson_cv_need_braces_on_pthread_once_init,
	+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>
	+ pthread_once_t foo = PTHREAD_ONCE_INIT;]])],
	+ [bson_cv_need_braces_on_pthread_once_init=no],
	+ [bson_cv_need_braces_on_pthread_once_init=yes])])
	+if test "$bson_cv_need_braces_on_pthread_once_init" = yes; then
	+ AC_SUBST(BSON_PTHREAD_ONCE_INIT_NEEDS_BRACES, 1)
	+fi
	diff --git a/mongodb-1.12.0/scripts/autotools/libbson/Versions.m4 b/mongodb-1.13.0/scripts/autotools/libbson/Versions.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libbson/Versions.m4
	rename to mongodb-1.13.0/scripts/autotools/libbson/Versions.m4
	diff --git a/mongodb-1.13.0/scripts/autotools/libmongoc/CheckCompression.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/CheckCompression.m4
	new file mode 100644
	index 00000000..d17ebd20
	--- /dev/null
	+++ b/mongodb-1.13.0/scripts/autotools/libmongoc/CheckCompression.m4
	@@ -0,0 +1,95 @@
	+found_snappy="no"
	+found_zlib="no"
	+bundled_zlib="no"
	+found_zstd="no"
	+
	+PKG_CHECK_MODULES([PHP_MONGODB_SNAPPY],[snappy],[
	+ PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_SNAPPY_CFLAGS"
	+ PHP_EVAL_LIBLINE([$PHP_MONGODB_SNAPPY_LIBS],[MONGODB_SHARED_LIBADD])
	+ found_snappy="yes"
	+],[
	+ PHP_CHECK_LIBRARY([snappy],
	+ [snappy_uncompress],
	+ [have_snappy_lib="yes"],
	+ [have_snappy_lib="no"])
	+
	+ AC_CHECK_HEADER([snappy-c.h],
	+ [have_snappy_headers=yes],
	+ [have_snappy_headers=no])
	+
	+ if test "$have_snappy_lib" = "yes" -a "$have_snappy_headers" = "yes"; then
	+ PHP_ADD_LIBRARY([snappy],,[MONGODB_SHARED_LIBADD])
	+ found_snappy="yes"
	+ fi
	+])
	+
	+PKG_CHECK_MODULES([PHP_MONGODB_ZLIB],[zlib],[
	+ PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_ZLIB_CFLAGS"
	+ PHP_EVAL_LIBLINE([$PHP_MONGODB_ZLIB_LIBS],[MONGODB_SHARED_LIBADD])
	+ found_zlib="yes"
	+],[
	+ PHP_CHECK_LIBRARY([zlib],
	+ [compress2],
	+ [have_zlib_lib="yes"],
	+ [have_zlib_lib="no"])
	+
	+ AC_CHECK_HEADER([zlib.h],
	+ [have_zlib_headers=yes],
	+ [have_zlib_headers=no])
	+
	+ if test "$have_zlib_lib" = "yes" -a "$have_zlib_headers" = "yes"; then
	+ PHP_ADD_LIBRARY([z],,[MONGODB_SHARED_LIBADD])
	+ found_zlib="yes"
	+ fi
	+])
	+
	+dnl If zlib was not found, use libmongoc's bundled version
	+AS_IF([test "$found_zlib" != "yes"],[
	+ AC_CHECK_HEADER([unistd.h],[PHP_MONGODB_ZLIB_CFLAGS="$PHP_MONGODB_ZLIB_CFLAGS -DHAVE_UNISTD_H"])
	+ AC_CHECK_HEADER([stdarg.h],[PHP_MONGODB_ZLIB_CFLAGS="$PHP_MONGODB_ZLIB_CFLAGS -DHAVE_STDARG_H"])
	+ bundled_zlib="yes"
	+])
	+
	+PKG_CHECK_MODULES([PHP_MONGODB_ZSTD],[libzstd],[
	+ PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PHP_MONGODB_ZSTD_CFLAGS"
	+ PHP_EVAL_LIBLINE([$PHP_MONGODB_ZSTD_LIBS],[MONGODB_SHARED_LIBADD])
	+ found_zstd="yes"
	+],[
	+ PHP_CHECK_LIBRARY([zstd],
	+ [ZSTD_compress],
	+ [have_zstd_lib="yes"],
	+ [have_zstd_lib="no"])
	+
	+ AC_CHECK_HEADER([zstd.h],
	+ [have_zstd_headers=yes],
	+ [have_zstd_headers=no])
	+
	+ if test "$have_zstd_lib" = "yes" -a "$have_zstd_headers" = "yes"; then
	+ PHP_ADD_LIBRARY([zstd],,[MONGODB_SHARED_LIBADD])
	+ found_zstd="yes"
	+ fi
	+])
	+
	+if test "$found_snappy" = "yes" -o "$found_zlib" = "yes" -o "$bundled_zlib" = "yes" -o "$found_zstd" = "yes"; then
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION, 1)
	+ if test "$found_snappy" = "yes"; then
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_SNAPPY, 1)
	+ else
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_SNAPPY, 0)
	+ fi
	+ if test "$found_zlib" = "yes" -o "$bundled_zlib" = "yes"; then
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZLIB, 1)
	+ else
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZLIB, 0)
	+ fi
	+ if test "$found_zstd" = "yes"; then
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZSTD, 1)
	+ else
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZSTD, 0)
	+ fi
	+else
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION, 0)
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_SNAPPY, 0)
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZLIB, 0)
	+ AC_SUBST(MONGOC_ENABLE_COMPRESSION_ZSTD, 0)
	+fi
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/CheckICU.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/CheckICU.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongoc/CheckICU.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongoc/CheckICU.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/CheckResolv.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/CheckResolv.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongoc/CheckResolv.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongoc/CheckResolv.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/CheckSSL.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/CheckSSL.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongoc/CheckSSL.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongoc/CheckSSL.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/CheckSasl.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/CheckSasl.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongoc/CheckSasl.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongoc/CheckSasl.m4
	diff --git a/mongodb-1.13.0/scripts/autotools/libmongoc/FindDependencies.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/FindDependencies.m4
	new file mode 100644
	index 00000000..e39d5167
	--- /dev/null
	+++ b/mongodb-1.13.0/scripts/autotools/libmongoc/FindDependencies.m4
	@@ -0,0 +1,36 @@
	+# Check for shm functions
	+AC_CHECK_FUNCS([shm_open],[],[
	+ AC_CHECK_LIB([rt],
	+ [shm_open],
	+ [PHP_ADD_LIBRARY([rt],,[MONGODB_SHARED_LIBADD])],
	+ [])
	+])
	+
	+# Check for sched_getcpu
	+AC_CHECK_FUNC([sched_getcpu],
	+ [AC_SUBST(MONGOC_HAVE_SCHED_GETCPU, 1)],
	+ [AC_SUBST(MONGOC_HAVE_SCHED_GETCPU, 0)])
	+
	+AC_CHECK_TYPE([socklen_t],
	+ [AC_SUBST(MONGOC_HAVE_SOCKLEN, 1)],
	+ [AC_SUBST(MONGOC_HAVE_SOCKLEN, 0)],
	+ [#include <sys/socket.h>])
	+
	+AC_CHECK_MEMBER([struct sockaddr_storage.ss_family],
	+ [AC_SUBST(MONGOC_HAVE_SS_FAMILY, 1)],
	+ [AC_SUBST(MONGOC_HAVE_SS_FAMILY, 0)],
	+ [#include <sys/socket.h>])
	+
	+# Check for pthreads. libmongoc's original FindDependencies.m4 script did not
	+# require pthreads, but it does appear to be necessary on non-Windows platforms
	+# based on mongoc-openssl.c and mongoc-thread-private.h.
	+AX_PTHREAD([
	+ PHP_MONGODB_BUNDLED_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS $PTHREAD_CFLAGS"
	+ PHP_EVAL_LIBLINE([$PTHREAD_LIBS],[MONGODB_SHARED_LIBADD])
	+
	+ # PTHREAD_CFLAGS may come back as "-pthread", which should also be used when
	+ # linking. We can trust PHP_EVAL_LIBLINE to ignore other values.
	+ PHP_EVAL_LIBLINE([$PTHREAD_CFLAGS],[MONGODB_SHARED_LIBADD])
	+],[
	+ AC_MSG_ERROR([libmongoc requires pthreads on non-Windows platforms.])
	+])
	diff --git a/mongodb-1.13.0/scripts/autotools/libmongoc/PlatformFlags.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/PlatformFlags.m4
	new file mode 100644
	index 00000000..72677c02
	--- /dev/null
	+++ b/mongodb-1.13.0/scripts/autotools/libmongoc/PlatformFlags.m4
	@@ -0,0 +1,10 @@
	+dnl Ignore OpenSSL deprecation warnings on OSX
	+AS_IF([test "$os_darwin" = "yes"],
	+ [AX_CHECK_COMPILE_FLAG([-Wno-deprecated-declarations], [STD_CFLAGS="$STD_CFLAGS -Wno-deprecated-declarations"])])
	+dnl We know there are some cast-align issues on OSX
	+AS_IF([test "$os_darwin" = "yes"],
	+ [AX_CHECK_COMPILE_FLAG([-Wno-cast-align], [STD_CFLAGS="$STD_CFLAGS -Wno-cast-align"])])
	+AS_IF([test "$os_darwin" = "yes"],
	+ [AX_CHECK_COMPILE_FLAG([-Wno-unneeded-internal-declaration], [STD_CFLAGS="$STD_CFLAGS -Wno-unneeded-internal-declaration"])])
	+AS_IF([test "$os_darwin" = "yes"],
	+ [AX_CHECK_COMPILE_FLAG([-Wno-error=unused-command-line-argument], [STD_CFLAGS="$STD_CFLAGS -Wno-error=unused-command-line-argument"])])
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/Versions.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/Versions.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongoc/Versions.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongoc/Versions.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongoc/WeakSymbols.m4 b/mongodb-1.13.0/scripts/autotools/libmongoc/WeakSymbols.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongoc/WeakSymbols.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongoc/WeakSymbols.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongocrypt/CheckSSL.m4 b/mongodb-1.13.0/scripts/autotools/libmongocrypt/CheckSSL.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongocrypt/CheckSSL.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongocrypt/CheckSSL.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongocrypt/Endian.m4 b/mongodb-1.13.0/scripts/autotools/libmongocrypt/Endian.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongocrypt/Endian.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongocrypt/Endian.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/libmongocrypt/Version.m4 b/mongodb-1.13.0/scripts/autotools/libmongocrypt/Version.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/libmongocrypt/Version.m4
	rename to mongodb-1.13.0/scripts/autotools/libmongocrypt/Version.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/m4/as_var_copy.m4 b/mongodb-1.13.0/scripts/autotools/m4/as_var_copy.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/m4/as_var_copy.m4
	rename to mongodb-1.13.0/scripts/autotools/m4/as_var_copy.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/m4/ax_check_compile_flag.m4 b/mongodb-1.13.0/scripts/autotools/m4/ax_check_compile_flag.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/m4/ax_check_compile_flag.m4
	rename to mongodb-1.13.0/scripts/autotools/m4/ax_check_compile_flag.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/m4/ax_prototype.m4 b/mongodb-1.13.0/scripts/autotools/m4/ax_prototype.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/m4/ax_prototype.m4
	rename to mongodb-1.13.0/scripts/autotools/m4/ax_prototype.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/m4/ax_pthread.m4 b/mongodb-1.13.0/scripts/autotools/m4/ax_pthread.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/m4/ax_pthread.m4
	rename to mongodb-1.13.0/scripts/autotools/m4/ax_pthread.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/m4/php_mongodb.m4 b/mongodb-1.13.0/scripts/autotools/m4/php_mongodb.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/m4/php_mongodb.m4
	rename to mongodb-1.13.0/scripts/autotools/m4/php_mongodb.m4
	diff --git a/mongodb-1.12.0/scripts/autotools/m4/pkg.m4 b/mongodb-1.13.0/scripts/autotools/m4/pkg.m4
	similarity index 100%
	rename from mongodb-1.12.0/scripts/autotools/m4/pkg.m4
	rename to mongodb-1.13.0/scripts/autotools/m4/pkg.m4
	diff --git a/mongodb-1.12.0/scripts/clang-format.sh b/mongodb-1.13.0/scripts/clang-format.sh
	similarity index 100%
	rename from mongodb-1.12.0/scripts/clang-format.sh
	rename to mongodb-1.13.0/scripts/clang-format.sh
	diff --git a/mongodb-1.12.0/scripts/convert-bson-corpus-tests.php b/mongodb-1.13.0/scripts/convert-bson-corpus-tests.php
	similarity index 100%
	rename from mongodb-1.12.0/scripts/convert-bson-corpus-tests.php
	rename to mongodb-1.13.0/scripts/convert-bson-corpus-tests.php
	diff --git a/mongodb-1.13.0/scripts/mongo-orchestration.php b/mongodb-1.13.0/scripts/mongo-orchestration.php
	new file mode 100644
	index 00000000..5fa0f295
	--- /dev/null
	+++ b/mongodb-1.13.0/scripts/mongo-orchestration.php
	@@ -0,0 +1,138 @@
	+<?php
	+
	+declare(strict_types=1);
	+
	+set_error_handler(function($errno, $errstr, $errfile, $errline) {
	+ fprintf(STDERR, "%s\n", $errstr);
	+ exit(1);
	+});
	+
	+set_exception_handler(function($e) {
	+ fprintf(STDERR, "%s: %s\n", get_class($e), $e->getMessage());
	+ exit(1);
	+});
	+
	+function getId(string $config): string {
	+ $config = json_decode($config, null, 512, JSON_THROW_ON_ERROR);
	+
	+ if (!isset($config->id) \|\| !is_string($config->id)) {
	+ throw new UnexpectedValueException('Could not determine id');
	+ }
	+
	+ return $config->id;
	+}
	+
	+function getTopology(string $file): string {
	+ $topology = basename(dirname($file));
	+
	+ if (!in_array($topology, ['servers', 'replica_sets', 'sharded_clusters'])) {
	+ throw new UnexpectedValueException('Unsupported topology: ' . $topology);
	+ }
	+
	+ return $topology;
	+}
	+
	+function request(string $uri, array $options = []): stdClass {
	+ $options += [
	+ 'method' => 'GET',
	+ 'header' => 'Accept: application/json',
	+ 'ignore_errors' => true,
	+ ];
	+ $response = file_get_contents($uri, false, stream_context_create(['http' => $options]));
	+
	+ if (preg_match('#HTTP/1.[01] ([0-9]+)#', $http_response_header[0], $matches) !== 1) {
	+ throw new UnexpectedValueException('Could not determine HTTP response code');
	+ }
	+
	+ $code = (int) $matches[1];
	+
	+ if ($code !== 200) {
	+ throw new UnexpectedValueException(sprintf("%s %s returned HTTP response code: %d\n\n%s", $options['method'] ?? 'GET', $uri, $code, $response));
	+ }
	+
	+ return json_decode($response, null, 512, JSON_THROW_ON_ERROR);
	+}
	+
	+function start(string $uri, string $config): void {
	+ $options = [
	+ 'method' => 'POST',
	+ 'header' => "Accept: application/json\r\n" .
	+ "Content-type: application/x-www-form-urlencoded",
	+ 'content' => $config,
	+ 'timeout' => 120,
	+ ];
	+
	+ printf("%s\n", json_encode(request($uri, $options), JSON_PRETTY_PRINT));
	+}
	+
	+function status(string $uri): void {
	+ printf("%s\n", json_encode(request($uri), JSON_PRETTY_PRINT));
	+}
	+
	+function stop(string $uri): void {
	+ $options = [
	+ 'method' => 'DELETE',
	+ 'header' => "Accept: application/json\r\n" .
	+ "Content-type: application/x-www-form-urlencoded",
	+ 'content' => $config,
	+ 'timeout' => 120,
	+ ];
	+
	+ printf("%s\n", json_encode(request($uri, $options), JSON_PRETTY_PRINT));
	+}
	+
	+function usage(): void {
	+ global $argv;
	+
	+ fprintf(STDERR, "usage: %s <action> <id>\|<path/to/config.json>\n", $argv[0]);
	+ fprintf(STDERR, "action: start\|status\|stop\n");
	+ exit(1);
	+}
	+
	+$tools = getenv('DRIVER_TOOLS') ?: '/home/jmikola/workspace/mongodb/drivers-evergreen-tools';
	+$server = getenv('MONGO_ORCHESTRATION_URI') ?: 'http://localhost:8889';
	+
	+if ($argc < 2) {
	+ usage();
	+}
	+
	+$action = $argv[1] ?? null;
	+
	+switch ($action) {
	+ case 'start':
	+ $file = $argv[2];
	+
	+ if (!is_readable($file)) {
	+ throw new UnexpectedValueException('Cannot read input file');
	+ }
	+
	+ $topology = getTopology($file);
	+
	+ $config = file_get_contents($file);
	+ $config = str_replace('ABSOLUTE_PATH_REPLACEMENT_TOKEN', $tools, $config);
	+ start(sprintf('%s/v1/%s', $server, $topology), $config);
	+ break;
	+
	+ case 'status':
	+ $topology = $argv[2];
	+ $id = $argv[3];
	+ status(sprintf('%s/v1/%s/%s', $server, $topology, $id));
	+ break;
	+
	+ case 'stop':
	+ $topology = $argv[2];
	+ $id = $argv[3];
	+ stop(sprintf('%s/v1/%s/%s', $server, $topology, $id));
	+ break;
	+
	+ case 'list':
	+ foreach (['servers', 'replica_sets', 'sharded_clusters'] as $topology) {
	+ $response = request(sprintf('%s/v1/%s', $server, $topology));
	+ printf("%s:\n", $topology);
	+ printf("%s\n\n", json_encode($response->$topology, JSON_PRETTY_PRINT));
	+ }
	+ break;
	+
	+ default:
	+ usage();
	+}
	diff --git a/mongodb-1.12.0/scripts/update-submodule-sources.php b/mongodb-1.13.0/scripts/update-submodule-sources.php
	similarity index 100%
	rename from mongodb-1.12.0/scripts/update-submodule-sources.php
	rename to mongodb-1.13.0/scripts/update-submodule-sources.php
	diff --git a/mongodb-1.13.0/src/BSON/Binary.c b/mongodb-1.13.0/src/BSON/Binary.c
	new file mode 100644
	index 00000000..27922981
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Binary.c
	@@ -0,0 +1,477 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/base64.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#define PHONGO_BINARY_UUID_SIZE 16
	+
	+zend_class_entry* php_phongo_binary_ce;
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_binary_init(php_phongo_binary_t* intern, const char* data, size_t data_len, zend_long type) /* {{{ */
	+{
	+ if (type < 0 \|\| type > UINT8_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected type to be an unsigned 8-bit integer, %" PHONGO_LONG_FORMAT " given", type);
	+ return false;
	+ }
	+
	+ if ((type == BSON_SUBTYPE_UUID_DEPRECATED \|\| type == BSON_SUBTYPE_UUID) && data_len != PHONGO_BINARY_UUID_SIZE) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected UUID length to be %d bytes, %d given", PHONGO_BINARY_UUID_SIZE, data_len);
	+ return false;
	+ }
	+
	+ intern->data = estrndup(data, data_len);
	+ intern->data_len = data_len;
	+ intern->type = (uint8_t) type;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_binary_init_from_hash(php_phongo_binary_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval data, type;
	+
	+ if ((data = zend_hash_str_find(props, "data", sizeof("data") - 1)) && Z_TYPE_P(data) == IS_STRING &&
	+ (type = zend_hash_str_find(props, "type", sizeof("type") - 1)) && Z_TYPE_P(type) == IS_LONG) {
	+
	+ return php_phongo_binary_init(intern, Z_STRVAL_P(data), Z_STRLEN_P(data), Z_LVAL_P(type));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"data\" string and \"type\" integer fields", ZSTR_VAL(php_phongo_binary_ce->name));
	+ return false;
	+} /* }}} */
	+
	+static HashTable* php_phongo_binary_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_binary_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_BINARY(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->data) {
	+ return props;
	+ }
	+
	+ {
	+ zval data, type;
	+
	+ ZVAL_STRINGL(&data, intern->data, intern->data_len);
	+ zend_hash_str_update(props, "data", sizeof("data") - 1, &data);
	+
	+ ZVAL_LONG(&type, intern->type);
	+ zend_hash_str_update(props, "type", sizeof("type") - 1, &type);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Binary::__construct(string $data, int $type)
	+ Construct a new BSON binary type */
	+static PHP_METHOD(Binary, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+ char* data;
	+ size_t data_len;
	+ zend_long type;
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sl", &data, &data_len, &type) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_binary_init(intern, data, data_len, type);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Binary MongoDB\BSON\Binary::__set_state(array $properties)
	+*/
	+static PHP_METHOD(Binary, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_binary_ce);
	+
	+ intern = Z_BINARY_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_binary_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Binary::__toString()
	+ Return the Binary's data string. */
	+static PHP_METHOD(Binary, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ RETURN_STRINGL(intern->data, intern->data_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Binary::getData()
	+*/
	+static PHP_METHOD(Binary, getData)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRINGL(intern->data, intern->data_len);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\BSON\Binary::getType()
	+*/
	+static PHP_METHOD(Binary, getType)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->type);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Binary::jsonSerialize()
	+*/
	+static PHP_METHOD(Binary, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+ char type[3];
	+ int type_len;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 2);
	+
	+ {
	+ zend_string* data = php_base64_encode((unsigned char*) intern->data, intern->data_len);
	+ ADD_ASSOC_STRINGL(return_value, "$binary", ZSTR_VAL(data), ZSTR_LEN(data));
	+ zend_string_free(data);
	+ }
	+
	+ type_len = snprintf(type, sizeof(type), "%02x", intern->type);
	+ ADD_ASSOC_STRINGL(return_value, "$type", type, type_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Binary::serialize()
	+*/
	+static PHP_METHOD(Binary, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(&retval, 2);
	+ ADD_ASSOC_STRINGL(&retval, "data", intern->data, intern->data_len);
	+ ADD_ASSOC_LONG_EX(&retval, "type", intern->type);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Binary::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Binary, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_binary_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_BINARY_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_binary_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_binary_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Binary::__serialize()
	+*/
	+static PHP_METHOD(Binary, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_binary_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Binary::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Binary, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_binary_init_from_hash(Z_BINARY_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Binary function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Binary___construct, 0, 0, 2)
	+ ZEND_ARG_INFO(0, data)
	+ ZEND_ARG_INFO(0, type)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Binary___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Binary___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Binary___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Binary_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Binary_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Binary_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_binary_me[] = {
	+ PHP_ME(Binary, __construct, ai_Binary___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, __serialize, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, __set_state, ai_Binary___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(Binary, __toString, ai_Binary___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, __unserialize, ai_Binary___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, jsonSerialize, ai_Binary_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, serialize, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, unserialize, ai_Binary_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, getData, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Binary, getType, ai_Binary_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Binary object handlers */
	+static zend_object_handlers php_phongo_handler_binary;
	+
	+static void php_phongo_binary_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_binary_t* intern = Z_OBJ_BINARY(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->data) {
	+ efree(intern->data);
	+ }
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_binary_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_binary_t* intern = zend_object_alloc(sizeof(php_phongo_binary_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_binary;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_binary_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_binary_t* intern;
	+ php_phongo_binary_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_BINARY(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_binary_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_BINARY(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_binary_init(new_intern, intern->data, intern->data_len, intern->type);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_binary_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_binary_t intern1, intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_BINARY_OBJ_P(o1);
	+ intern2 = Z_BINARY_OBJ_P(o2);
	+
	+ /* MongoDB compares binary types first by the data length, then by the type
	+ * byte, and finally by the binary data itself. */
	+ if (intern1->data_len != intern2->data_len) {
	+ return intern1->data_len < intern2->data_len ? -1 : 1;
	+ }
	+
	+ if (intern1->type != intern2->type) {
	+ return intern1->type < intern2->type ? -1 : 1;
	+ }
	+
	+ return zend_binary_strcmp(intern1->data, intern1->data_len, intern2->data, intern2->data_len);
	+} /* }}} */
	+
	+static HashTable* php_phongo_binary_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_binary_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_binary_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_binary_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_binary_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Binary", php_phongo_binary_me);
	+ php_phongo_binary_ce = zend_register_internal_class(&ce);
	+ php_phongo_binary_ce->create_object = php_phongo_binary_create_object;
	+ PHONGO_CE_FINAL(php_phongo_binary_ce);
	+
	+ zend_class_implements(php_phongo_binary_ce, 1, php_phongo_binary_interface_ce);
	+ zend_class_implements(php_phongo_binary_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_binary_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_binary_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_binary_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_binary, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(binary);
	+ php_phongo_handler_binary.clone_obj = php_phongo_binary_clone_object;
	+ php_phongo_handler_binary.get_debug_info = php_phongo_binary_get_debug_info;
	+ php_phongo_handler_binary.get_properties = php_phongo_binary_get_properties;
	+ php_phongo_handler_binary.free_obj = php_phongo_binary_free_object;
	+ php_phongo_handler_binary.offset = XtOffsetOf(php_phongo_binary_t, std);
	+
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_GENERIC"), BSON_SUBTYPE_BINARY);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_FUNCTION"), BSON_SUBTYPE_FUNCTION);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_OLD_BINARY"), BSON_SUBTYPE_BINARY_DEPRECATED);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_OLD_UUID"), BSON_SUBTYPE_UUID_DEPRECATED);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_UUID"), BSON_SUBTYPE_UUID);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_MD5"), BSON_SUBTYPE_MD5);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_ENCRYPTED"), BSON_SUBTYPE_ENCRYPTED);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_COLUMN"), BSON_SUBTYPE_COLUMN);
	+ zend_declare_class_constant_long(php_phongo_binary_ce, ZEND_STRL("TYPE_USER_DEFINED"), BSON_SUBTYPE_USER);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/BinaryInterface.c b/mongodb-1.13.0/src/BSON/BinaryInterface.c
	new file mode 100644
	index 00000000..2d02e7d9
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/BinaryInterface.c
	@@ -0,0 +1,46 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_binary_interface_ce;
	+
	+/* {{{ MongoDB\BSON\BinaryInterface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_BinaryInterface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_BinaryInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_binary_interface_me[] = {
	+ ZEND_ABSTRACT_ME(BinaryInterface, getData, ai_BinaryInterface_void)
	+ ZEND_ABSTRACT_ME(BinaryInterface, getType, ai_BinaryInterface_void)
	+ ZEND_ABSTRACT_ME(BinaryInterface, __toString, ai_BinaryInterface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_binary_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "BinaryInterface", php_phongo_binary_interface_me);
	+ php_phongo_binary_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/DBPointer.c b/mongodb-1.13.0/src/BSON/DBPointer.c
	new file mode 100644
	index 00000000..9c11f717
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/DBPointer.c
	@@ -0,0 +1,370 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_dbpointer_ce;
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_dbpointer_init(php_phongo_dbpointer_t* intern, const char* ref, size_t ref_len, const char* id, size_t id_len) /* {{{ */
	+{
	+ if (strlen(ref) != (size_t) ref_len) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Ref cannot contain null bytes");
	+ return false;
	+ }
	+
	+ if (!bson_oid_is_valid(id, id_len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing ObjectId string: %s", id);
	+ return false;
	+ }
	+
	+ intern->ref = estrndup(ref, ref_len);
	+ intern->ref_len = ref_len;
	+
	+ memset(intern->id, 0, sizeof(intern->id));
	+ strncpy(intern->id, id, sizeof(intern->id) - 1);
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_dbpointer_init_from_hash(php_phongo_dbpointer_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval ref, id;
	+
	+ if ((ref = zend_hash_str_find(props, "ref", sizeof("ref") - 1)) && Z_TYPE_P(ref) == IS_STRING &&
	+ (id = zend_hash_str_find(props, "id", sizeof("id") - 1)) && Z_TYPE_P(id) == IS_STRING) {
	+
	+ return php_phongo_dbpointer_init(intern, Z_STRVAL_P(ref), Z_STRLEN_P(ref), Z_STRVAL_P(id), Z_STRLEN_P(id));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"ref\" and \"id\" string fields", ZSTR_VAL(php_phongo_dbpointer_ce->name));
	+ return false;
	+} /* }}} */
	+
	+HashTable* php_phongo_dbpointer_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_dbpointer_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_DBPOINTER(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->ref) {
	+ return props;
	+ }
	+
	+ {
	+ zval ref, id;
	+
	+ ZVAL_STRING(&ref, intern->ref);
	+ ZVAL_STRING(&id, intern->id);
	+ zend_hash_str_update(props, "ref", sizeof("ref") - 1, &ref);
	+ zend_hash_str_update(props, "id", sizeof("id") - 1, &id);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\DBPointer::__toString()
	+ Return the DBPointer's namespace string and ObjectId. */
	+static PHP_METHOD(DBPointer, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_dbpointer_t* intern;
	+ char* retval;
	+ int retval_len;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_DBPOINTER_OBJ_P(getThis());
	+
	+ retval_len = spprintf(&retval, 0, "[%s/%s]", intern->ref, intern->id);
	+ RETVAL_STRINGL(retval, retval_len);
	+ efree(retval);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Symbol::jsonSerialize()
	+*/
	+static PHP_METHOD(DBPointer, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_dbpointer_t* intern;
	+ zval zdb_pointer;
	+ zval zoid;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_DBPOINTER_OBJ_P(getThis());
	+
	+ array_init_size(&zdb_pointer, 2);
	+ array_init_size(&zoid, 1);
	+ ADD_ASSOC_STRINGL(&zdb_pointer, "$ref", intern->ref, intern->ref_len);
	+ ADD_ASSOC_STRING(&zoid, "$oid", intern->id);
	+ ADD_ASSOC_ZVAL(&zdb_pointer, "$id", &zoid);
	+
	+ array_init_size(return_value, 1);
	+ ADD_ASSOC_ZVAL(return_value, "$dbPointer", &zdb_pointer);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\DBPointer::serialize()
	+*/
	+static PHP_METHOD(DBPointer, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_dbpointer_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_DBPOINTER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(&retval, 2);
	+ ADD_ASSOC_STRINGL(&retval, "ref", intern->ref, intern->ref_len);
	+ ADD_ASSOC_STRING(&retval, "id", intern->id);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\DBPointer::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(DBPointer, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_dbpointer_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_DBPOINTER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_dbpointer_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_dbpointer_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\DBPointer::__serialize()
	+*/
	+static PHP_METHOD(DBPointer, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_dbpointer_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\DBPointer::__unserialize(array $data)
	+*/
	+static PHP_METHOD(DBPointer, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_dbpointer_init_from_hash(Z_DBPOINTER_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\DBPointer function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_DBPointer___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_DBPointer___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_DBPointer_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_DBPointer_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_DBPointer_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_dbpointer_me[] = {
	+ /* __set_state intentionally missing */
	+ PHP_ME(DBPointer, __serialize, ai_DBPointer_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(DBPointer, __toString, ai_DBPointer___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(DBPointer, __unserialize, ai_DBPointer___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(DBPointer, jsonSerialize, ai_DBPointer_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(DBPointer, serialize, ai_DBPointer_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(DBPointer, unserialize, ai_DBPointer_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_DBPointer_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\DBPointer object handlers */
	+static zend_object_handlers php_phongo_handler_dbpointer;
	+
	+static void php_phongo_dbpointer_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_dbpointer_t* intern = Z_OBJ_DBPOINTER(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->ref) {
	+ efree(intern->ref);
	+ }
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+zend_object* php_phongo_dbpointer_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_dbpointer_t* intern = zend_object_alloc(sizeof(php_phongo_dbpointer_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_dbpointer;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_dbpointer_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_dbpointer_t* intern;
	+ php_phongo_dbpointer_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_DBPOINTER(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_dbpointer_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_DBPOINTER(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_dbpointer_init(new_intern, intern->ref, intern->ref_len, intern->id, 24);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_dbpointer_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_dbpointer_t intern1, intern2;
	+ int retval;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_DBPOINTER_OBJ_P(o1);
	+ intern2 = Z_DBPOINTER_OBJ_P(o2);
	+
	+ retval = strcmp(intern1->ref, intern2->ref);
	+
	+ if (retval != 0) {
	+ return retval;
	+ }
	+
	+ return strcmp(intern1->id, intern2->id);
	+} /* }}} */
	+
	+static HashTable* php_phongo_dbpointer_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_dbpointer_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_dbpointer_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_dbpointer_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_dbpointer_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "DBPointer", php_phongo_dbpointer_me);
	+ php_phongo_dbpointer_ce = zend_register_internal_class(&ce);
	+ php_phongo_dbpointer_ce->create_object = php_phongo_dbpointer_create_object;
	+ PHONGO_CE_FINAL(php_phongo_dbpointer_ce);
	+
	+ zend_class_implements(php_phongo_dbpointer_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_dbpointer_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_dbpointer_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_dbpointer_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_dbpointer, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(dbpointer);
	+ php_phongo_handler_dbpointer.clone_obj = php_phongo_dbpointer_clone_object;
	+ php_phongo_handler_dbpointer.get_debug_info = php_phongo_dbpointer_get_debug_info;
	+ php_phongo_handler_dbpointer.get_properties = php_phongo_dbpointer_get_properties;
	+ php_phongo_handler_dbpointer.free_obj = php_phongo_dbpointer_free_object;
	+ php_phongo_handler_dbpointer.offset = XtOffsetOf(php_phongo_dbpointer_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Decimal128.c b/mongodb-1.13.0/src/BSON/Decimal128.c
	new file mode 100644
	index 00000000..64b6283c
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Decimal128.c
	@@ -0,0 +1,386 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_decimal128_ce;
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_decimal128_init(php_phongo_decimal128_t* intern, const char* value) /* {{{ */
	+{
	+ if (!bson_decimal128_from_string(value, &intern->decimal)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing Decimal128 string: %s", value);
	+ return false;
	+ }
	+
	+ intern->initialized = true;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_decimal128_init_from_hash(php_phongo_decimal128_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* dec;
	+
	+ if ((dec = zend_hash_str_find(props, "dec", sizeof("dec") - 1)) && Z_TYPE_P(dec) == IS_STRING) {
	+ return php_phongo_decimal128_init(intern, Z_STRVAL_P(dec));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"dec\" string field", ZSTR_VAL(php_phongo_decimal128_ce->name));
	+ return false;
	+} /* }}} */
	+
	+static HashTable* php_phongo_decimal128_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_decimal128_t* intern;
	+ HashTable* props;
	+ char outbuf[BSON_DECIMAL128_STRING] = "";
	+
	+ intern = Z_OBJ_DECIMAL128(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	+
	+ if (!intern->initialized) {
	+ return props;
	+ }
	+
	+ bson_decimal128_to_string(&intern->decimal, outbuf);
	+
	+ {
	+ zval dec;
	+
	+ ZVAL_STRING(&dec, outbuf);
	+ zend_hash_str_update(props, "dec", sizeof("dec") - 1, &dec);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Decimal128::__construct(string $value)
	+ Construct a new BSON Decimal128 type */
	+static PHP_METHOD(Decimal128, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_decimal128_t* intern;
	+ char* value;
	+ size_t value_len;
	+
	+ intern = Z_DECIMAL128_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &value, &value_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_decimal128_init(intern, value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Decimal128 MongoDB\BSON\Decimal128::__set_state(array $properties)
	+*/
	+static PHP_METHOD(Decimal128, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_decimal128_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_decimal128_ce);
	+
	+ intern = Z_DECIMAL128_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_decimal128_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Decimal128::__toString()
	+*/
	+static PHP_METHOD(Decimal128, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_decimal128_t* intern;
	+ char outbuf[BSON_DECIMAL128_STRING];
	+
	+ intern = Z_DECIMAL128_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ bson_decimal128_to_string(&intern->decimal, outbuf);
	+
	+ RETURN_STRING(outbuf);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Decimal128::jsonSerialize()
	+*/
	+static PHP_METHOD(Decimal128, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_decimal128_t* intern;
	+ char outbuf[BSON_DECIMAL128_STRING] = "";
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_DECIMAL128_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 1);
	+ bson_decimal128_to_string(&intern->decimal, outbuf);
	+ ADD_ASSOC_STRING(return_value, "$numberDecimal", outbuf);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Decimal128::serialize()
	+*/
	+static PHP_METHOD(Decimal128, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_decimal128_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+ char outbuf[BSON_DECIMAL128_STRING];
	+
	+ intern = Z_DECIMAL128_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ bson_decimal128_to_string(&intern->decimal, outbuf);
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_STRING(&retval, "dec", outbuf);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Decimal128::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Decimal128, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_decimal128_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_DECIMAL128_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_decimal128_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_decimal128_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Decimal128::__serialize()
	+*/
	+static PHP_METHOD(Decimal128, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_decimal128_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Decimal128::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Decimal128, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_decimal128_init_from_hash(Z_DECIMAL128_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Decimal128 function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, value)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Decimal128___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Decimal128_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Decimal128_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_decimal128_me[] = {
	+ PHP_ME(Decimal128, __construct, ai_Decimal128___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Decimal128, __serialize, ai_Decimal128_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Decimal128, __set_state, ai_Decimal128___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(Decimal128, __toString, ai_Decimal128___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Decimal128, __unserialize, ai_Decimal128___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Decimal128, jsonSerialize, ai_Decimal128_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Decimal128, serialize, ai_Decimal128_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Decimal128, unserialize, ai_Decimal128_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Decimal128 object handlers */
	+static zend_object_handlers php_phongo_handler_decimal128;
	+
	+static void php_phongo_decimal128_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_decimal128_t* intern = Z_OBJ_DECIMAL128(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_decimal128_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_decimal128_t* intern = zend_object_alloc(sizeof(php_phongo_decimal128_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_decimal128;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_decimal128_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_decimal128_t* intern;
	+ php_phongo_decimal128_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_DECIMAL128(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_decimal128_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_DECIMAL128(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ // Use memcpy to copy bson value to avoid converting to string and back
	+ memcpy(&new_intern->decimal, &intern->decimal, sizeof(bson_decimal128_t));
	+ new_intern->initialized = true;
	+
	+ return new_object;
	+} /* }}} */
	+
	+static HashTable* php_phongo_decimal128_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_decimal128_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_decimal128_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_decimal128_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_decimal128_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Decimal128", php_phongo_decimal128_me);
	+ php_phongo_decimal128_ce = zend_register_internal_class(&ce);
	+ php_phongo_decimal128_ce->create_object = php_phongo_decimal128_create_object;
	+ PHONGO_CE_FINAL(php_phongo_decimal128_ce);
	+
	+ zend_class_implements(php_phongo_decimal128_ce, 1, php_phongo_decimal128_interface_ce);
	+ zend_class_implements(php_phongo_decimal128_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_decimal128_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_decimal128_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_decimal128_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_decimal128, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_decimal128.clone_obj = php_phongo_decimal128_clone_object;
	+ php_phongo_handler_decimal128.get_debug_info = php_phongo_decimal128_get_debug_info;
	+ php_phongo_handler_decimal128.get_properties = php_phongo_decimal128_get_properties;
	+ php_phongo_handler_decimal128.free_obj = php_phongo_decimal128_free_object;
	+ php_phongo_handler_decimal128.offset = XtOffsetOf(php_phongo_decimal128_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Decimal128Interface.c b/mongodb-1.13.0/src/BSON/Decimal128Interface.c
	new file mode 100644
	index 00000000..f4d55961
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Decimal128Interface.c
	@@ -0,0 +1,41 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_decimal128_interface_ce;
	+
	+/* {{{ MongoDB\BSON\Decimal128Interface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Decimal128Interface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_decimal128_interface_me[] = {
	+ ZEND_ABSTRACT_ME(Decimal128Interface, __toString, ai_Decimal128Interface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_decimal128_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Decimal128Interface", php_phongo_decimal128_interface_me);
	+ php_phongo_decimal128_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Int64.c b/mongodb-1.13.0/src/BSON/Int64.c
	new file mode 100644
	index 00000000..4bb52ab4
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Int64.c
	@@ -0,0 +1,346 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+zend_class_entry* php_phongo_int64_ce;
	+
	+/* Initialize the object and return whether it was successful. */
	+static bool php_phongo_int64_init(php_phongo_int64_t* intern, int64_t integer) /* {{{ */
	+{
	+ intern->integer = integer;
	+ intern->initialized = true;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a numeric string and return whether it was
	+ * successful. An exception will be thrown on error. */
	+static bool php_phongo_int64_init_from_string(php_phongo_int64_t* intern, const char* s_integer, size_t s_integer_len) /* {{{ */
	+{
	+ int64_t integer;
	+
	+ if (!php_phongo_parse_int64(&integer, s_integer, s_integer_len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer for %s initialization", s_integer, ZSTR_VAL(php_phongo_int64_ce->name));
	+ return false;
	+ }
	+
	+ return php_phongo_int64_init(intern, integer);
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_int64_init_from_hash(php_phongo_int64_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* value;
	+
	+ if ((value = zend_hash_str_find(props, "integer", sizeof("integer") - 1)) && Z_TYPE_P(value) == IS_STRING) {
	+ return php_phongo_int64_init_from_string(intern, Z_STRVAL_P(value), Z_STRLEN_P(value));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"integer\" string field", ZSTR_VAL(php_phongo_int64_ce->name));
	+ return false;
	+} /* }}} */
	+
	+HashTable* php_phongo_int64_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_int64_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_INT64(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->initialized) {
	+ return props;
	+ }
	+
	+ {
	+ zval value;
	+
	+ ZVAL_INT64_STRING(&value, intern->integer);
	+ zend_hash_str_update(props, "integer", sizeof("integer") - 1, &value);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Int64::__toString()
	+ Return the Int64's value as a string. */
	+static PHP_METHOD(Int64, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_int64_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_INT64_OBJ_P(getThis());
	+
	+ ZVAL_INT64_STRING(return_value, intern->integer);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Int64::jsonSerialize()
	+*/
	+static PHP_METHOD(Int64, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_int64_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_INT64_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 1);
	+
	+ ADD_ASSOC_INT64_AS_STRING(return_value, "$numberLong", intern->integer);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Int64::serialize()
	+*/
	+static PHP_METHOD(Int64, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_int64_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_INT64_OBJ_P(getThis());
	+
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_INT64_AS_STRING(&retval, "integer", intern->integer);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Int64::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Int64, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_int64_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_INT64_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_int64_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_int64_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Int64::__serialize()
	+*/
	+static PHP_METHOD(Int64, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_int64_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Int64::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Int64, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_int64_init_from_hash(Z_INT64_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Int64 function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Int64___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Int64___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Int64_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Int64_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Int64_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_int64_me[] = {
	+ /* __set_state intentionally missing */
	+ PHP_ME(Int64, __serialize, ai_Int64_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Int64, __toString, ai_Int64___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Int64, __unserialize, ai_Int64___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Int64, jsonSerialize, ai_Int64_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Int64, serialize, ai_Int64_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Int64, unserialize, ai_Int64_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Int64_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Int64 object handlers */
	+static zend_object_handlers php_phongo_handler_int64;
	+
	+static void php_phongo_int64_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_int64_t* intern = Z_OBJ_INT64(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+zend_object* php_phongo_int64_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_int64_t* intern = zend_object_alloc(sizeof(php_phongo_int64_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_int64;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_int64_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_int64_t* intern;
	+ php_phongo_int64_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_INT64(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_int64_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_INT64(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_int64_init(new_intern, intern->integer);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_int64_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_int64_t intern1, intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_INT64_OBJ_P(o1);
	+ intern2 = Z_INT64_OBJ_P(o2);
	+
	+ if (intern1->integer != intern2->integer) {
	+ return intern1->integer < intern2->integer ? -1 : 1;
	+ }
	+
	+ return 0;
	+} /* }}} */
	+
	+static HashTable* php_phongo_int64_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_int64_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_int64_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_int64_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_int64_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Int64", php_phongo_int64_me);
	+ php_phongo_int64_ce = zend_register_internal_class(&ce);
	+ php_phongo_int64_ce->create_object = php_phongo_int64_create_object;
	+ PHONGO_CE_FINAL(php_phongo_int64_ce);
	+
	+ zend_class_implements(php_phongo_int64_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_int64_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_int64_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_int64_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_int64, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(int64);
	+ php_phongo_handler_int64.clone_obj = php_phongo_int64_clone_object;
	+ php_phongo_handler_int64.get_debug_info = php_phongo_int64_get_debug_info;
	+ php_phongo_handler_int64.get_properties = php_phongo_int64_get_properties;
	+ php_phongo_handler_int64.free_obj = php_phongo_int64_free_object;
	+ php_phongo_handler_int64.offset = XtOffsetOf(php_phongo_int64_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Javascript.c b/mongodb-1.13.0/src/BSON/Javascript.c
	new file mode 100644
	index 00000000..a0432ac2
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Javascript.c
	@@ -0,0 +1,520 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_javascript_ce;
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_javascript_init(php_phongo_javascript_t* intern, const char* code, size_t code_len, zval* scope) /* {{{ */
	+{
	+ if (scope && Z_TYPE_P(scope) != IS_OBJECT && Z_TYPE_P(scope) != IS_ARRAY && Z_TYPE_P(scope) != IS_NULL) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected scope to be array or object, %s given", zend_get_type_by_const(Z_TYPE_P(scope)));
	+ return false;
	+ }
	+
	+ if (strlen(code) != (size_t) code_len) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Code cannot contain null bytes");
	+ return false;
	+ }
	+
	+ intern->code = estrndup(code, code_len);
	+ intern->code_len = code_len;
	+
	+ if (scope && (Z_TYPE_P(scope) == IS_OBJECT \|\| Z_TYPE_P(scope) == IS_ARRAY)) {
	+ intern->scope = bson_new();
	+ php_phongo_zval_to_bson(scope, PHONGO_BSON_NONE, intern->scope, NULL);
	+ } else {
	+ intern->scope = NULL;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_javascript_init_from_hash(php_phongo_javascript_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval code, scope;
	+
	+ if ((code = zend_hash_str_find(props, "code", sizeof("code") - 1)) && Z_TYPE_P(code) == IS_STRING) {
	+ scope = zend_hash_str_find(props, "scope", sizeof("scope") - 1);
	+
	+ return php_phongo_javascript_init(intern, Z_STRVAL_P(code), Z_STRLEN_P(code), scope);
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"code\" string field", ZSTR_VAL(php_phongo_javascript_ce->name));
	+ return false;
	+} /* }}} */
	+
	+HashTable* php_phongo_javascript_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_javascript_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_JAVASCRIPT(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->code) {
	+ return props;
	+ }
	+
	+ {
	+ zval code;
	+
	+ ZVAL_STRING(&code, intern->code);
	+ zend_hash_str_update(props, "code", sizeof("code") - 1, &code);
	+
	+ if (intern->scope) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto failure;
	+ }
	+
	+ zend_hash_str_update(props, "scope", sizeof("scope") - 1, &state.zchild);
	+ } else {
	+ zval scope;
	+
	+ ZVAL_NULL(&scope);
	+ zend_hash_str_update(props, "scope", sizeof("scope") - 1, &scope);
	+ }
	+ }
	+
	+ return props;
	+
	+failure:
	+ PHONGO_GET_PROPERTY_HASH_FREE_PROPS(is_temp, props);
	+ return NULL;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Javascript::__construct(string $code[, array\|object $scope])
	+ Construct a new BSON Javascript type. The scope is a document mapping
	+ identifiers and values, representing the scope in which the code string will
	+ be evaluated. Note that this type cannot be represented as Extended JSON. */
	+static PHP_METHOD(Javascript, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+ char* code;
	+ size_t code_len;
	+ zval* scope = NULL;
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|A!", &code, &code_len, &scope) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_javascript_init(intern, code, code_len, scope);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Javascript MongoDB\BSON\Javascript::__set_state(array $properties)
	+*/
	+static PHP_METHOD(Javascript, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_javascript_ce);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_javascript_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Javascript::__toString()
	+ Return the Javascript's code string. */
	+static PHP_METHOD(Javascript, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ RETURN_STRINGL(intern->code, intern->code_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Javascript::getCode()
	+*/
	+static PHP_METHOD(Javascript, getCode)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ RETURN_STRINGL(intern->code, intern->code_len);
	+} /* }}} */
	+
	+/* {{{ proto object\|null MongoDB\BSON\Javascript::getScope()
	+*/
	+static PHP_METHOD(Javascript, getScope)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ if (!intern->scope) {
	+ RETURN_NULL();
	+ }
	+
	+ if (intern->scope->len) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+ } else {
	+ RETURN_NULL();
	+ }
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Javascript::jsonSerialize()
	+*/
	+static PHP_METHOD(Javascript, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 2);
	+ ADD_ASSOC_STRINGL(return_value, "$code", intern->code, intern->code_len);
	+
	+ if (intern->scope && intern->scope->len) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(return_value, "$scope", &state.zchild);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Javascript::serialize()
	+*/
	+static PHP_METHOD(Javascript, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+ zval retval;
	+ php_phongo_bson_state state;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (intern->scope && intern->scope->len) {
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->scope), intern->scope->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+ } else {
	+ ZVAL_NULL(&state.zchild);
	+ }
	+
	+ array_init_size(&retval, 2);
	+ ADD_ASSOC_STRINGL(&retval, "code", intern->code, intern->code_len);
	+ ADD_ASSOC_ZVAL(&retval, "scope", &state.zchild);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Javascript::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Javascript, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_javascript_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_javascript_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_javascript_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Javascript::__serialize()
	+*/
	+static PHP_METHOD(Javascript, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_javascript_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Javascript::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Javascript, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_javascript_init_from_hash(Z_JAVASCRIPT_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Javascript function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Javascript___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, javascript)
	+ ZEND_ARG_INFO(0, scope)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Javascript___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Javascript___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Javascript___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Javascript_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Javascript_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Javascript_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_javascript_me[] = {
	+ PHP_ME(Javascript, __construct, ai_Javascript___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, __serialize, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, __set_state, ai_Javascript___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(Javascript, __toString, ai_Javascript___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, __unserialize, ai_Javascript___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, jsonSerialize, ai_Javascript_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, serialize, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, unserialize, ai_Javascript_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, getCode, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Javascript, getScope, ai_Javascript_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Javascript object handlers */
	+static zend_object_handlers php_phongo_handler_javascript;
	+
	+static void php_phongo_javascript_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_javascript_t* intern = Z_OBJ_JAVASCRIPT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->code) {
	+ efree(intern->code);
	+ }
	+ if (intern->scope) {
	+ bson_destroy(intern->scope);
	+ intern->scope = NULL;
	+ }
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+zend_object* php_phongo_javascript_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_javascript_t* intern = zend_object_alloc(sizeof(php_phongo_javascript_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_javascript;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_javascript_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_javascript_t* intern;
	+ php_phongo_javascript_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_JAVASCRIPT(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_javascript_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_JAVASCRIPT(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_javascript_init(new_intern, intern->code, intern->code_len, NULL);
	+ new_intern->scope = bson_copy(intern->scope);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_javascript_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_javascript_t intern1, intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_JAVASCRIPT_OBJ_P(o1);
	+ intern2 = Z_JAVASCRIPT_OBJ_P(o2);
	+
	+ /* Do not consider the scope document for comparisons */
	+ return strcmp(intern1->code, intern2->code);
	+} /* }}} */
	+
	+static HashTable* php_phongo_javascript_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_javascript_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_javascript_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_javascript_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_javascript_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Javascript", php_phongo_javascript_me);
	+ php_phongo_javascript_ce = zend_register_internal_class(&ce);
	+ php_phongo_javascript_ce->create_object = php_phongo_javascript_create_object;
	+ PHONGO_CE_FINAL(php_phongo_javascript_ce);
	+
	+ zend_class_implements(php_phongo_javascript_ce, 1, php_phongo_javascript_interface_ce);
	+ zend_class_implements(php_phongo_javascript_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_javascript_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_javascript_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_javascript_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_javascript, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(javascript);
	+ php_phongo_handler_javascript.clone_obj = php_phongo_javascript_clone_object;
	+ php_phongo_handler_javascript.get_debug_info = php_phongo_javascript_get_debug_info;
	+ php_phongo_handler_javascript.get_properties = php_phongo_javascript_get_properties;
	+ php_phongo_handler_javascript.free_obj = php_phongo_javascript_free_object;
	+ php_phongo_handler_javascript.offset = XtOffsetOf(php_phongo_javascript_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/JavascriptInterface.c b/mongodb-1.13.0/src/BSON/JavascriptInterface.c
	new file mode 100644
	index 00000000..a7f41476
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/JavascriptInterface.c
	@@ -0,0 +1,46 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_javascript_interface_ce;
	+
	+/* {{{ MongoDB\BSON\JavascriptInterface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_JavascriptInterface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_JavascriptInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_javascript_interface_me[] = {
	+ ZEND_ABSTRACT_ME(JavascriptInterface, getCode, ai_JavascriptInterface_void)
	+ ZEND_ABSTRACT_ME(JavascriptInterface, getScope, ai_JavascriptInterface_void)
	+ ZEND_ABSTRACT_ME(JavascriptInterface, __toString, ai_JavascriptInterface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_javascript_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "JavascriptInterface", php_phongo_javascript_interface_me);
	+ php_phongo_javascript_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/MaxKey.c b/mongodb-1.13.0/src/BSON/MaxKey.c
	new file mode 100644
	index 00000000..8d0b14ad
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/MaxKey.c
	@@ -0,0 +1,187 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_maxkey_ce;
	+
	+/* {{{ proto MongoDB\BSON\MaxKey MongoDB\BSON\MaxKey::__set_state(array $properties)
	+*/
	+static PHP_METHOD(MaxKey, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_maxkey_ce);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\MaxKey::jsonSerialize()
	+*/
	+static PHP_METHOD(MaxKey, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(return_value, 1);
	+ ADD_ASSOC_LONG_EX(return_value, "$maxKey", 1);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\MaxKey::serialize()
	+*/
	+static PHP_METHOD(MaxKey, serialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRING("");
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\MaxKey::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(MaxKey, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ char* serialized;
	+ size_t serialized_len;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\MaxKey::__serialize()
	+*/
	+static PHP_METHOD(MaxKey, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ array_init_size(return_value, 0);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\MaxKey::__unserialize(array $data)
	+*/
	+static PHP_METHOD(MaxKey, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\MaxKey function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_MaxKey_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_MaxKey_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_maxkey_me[] = {
	+ PHP_ME(MaxKey, __serialize, ai_MaxKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MaxKey, __set_state, ai_MaxKey___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(MaxKey, __unserialize, ai_MaxKey___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MaxKey, jsonSerialize, ai_MaxKey_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MaxKey, serialize, ai_MaxKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MaxKey, unserialize, ai_MaxKey_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\MaxKey object handlers */
	+static zend_object_handlers php_phongo_handler_maxkey;
	+
	+static void php_phongo_maxkey_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_maxkey_t* intern = Z_OBJ_MAXKEY(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_maxkey_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_maxkey_t* intern = zend_object_alloc(sizeof(php_phongo_maxkey_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_maxkey;
	+
	+ return &intern->std;
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_maxkey_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MaxKey", php_phongo_maxkey_me);
	+ php_phongo_maxkey_ce = zend_register_internal_class(&ce);
	+ php_phongo_maxkey_ce->create_object = php_phongo_maxkey_create_object;
	+ PHONGO_CE_FINAL(php_phongo_maxkey_ce);
	+
	+ zend_class_implements(php_phongo_maxkey_ce, 1, php_phongo_maxkey_interface_ce);
	+ zend_class_implements(php_phongo_maxkey_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_maxkey_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_maxkey_ce, 1, zend_ce_serializable);
	+
	+ memcpy(&php_phongo_handler_maxkey, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ /* Re-assign default handler previously removed in php_phongo.c */
	+ php_phongo_handler_maxkey.clone_obj = zend_objects_clone_obj;
	+ php_phongo_handler_maxkey.free_obj = php_phongo_maxkey_free_object;
	+ php_phongo_handler_maxkey.offset = XtOffsetOf(php_phongo_maxkey_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/MaxKeyInterface.c b/mongodb-1.13.0/src/BSON/MaxKeyInterface.c
	new file mode 100644
	index 00000000..99cbb564
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/MaxKeyInterface.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_maxkey_interface_ce;
	+
	+/* {{{ MongoDB\BSON\MaxKeyInterface function entries */
	+static zend_function_entry php_phongo_maxkey_interface_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_maxkey_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MaxKeyInterface", php_phongo_maxkey_interface_me);
	+ php_phongo_maxkey_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/MinKey.c b/mongodb-1.13.0/src/BSON/MinKey.c
	new file mode 100644
	index 00000000..d3e775ee
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/MinKey.c
	@@ -0,0 +1,187 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_minkey_ce;
	+
	+/* {{{ proto MongoDB\BSON\MinKey MongoDB\BSON\MinKey::__set_state(array $properties)
	+*/
	+static PHP_METHOD(MinKey, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_minkey_ce);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\MinKey::jsonSerialize()
	+*/
	+static PHP_METHOD(MinKey, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(return_value, 1);
	+ ADD_ASSOC_LONG_EX(return_value, "$minKey", 1);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\MinKey::serialize()
	+*/
	+static PHP_METHOD(MinKey, serialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRING("");
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\MinKey::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(MinKey, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ char* serialized;
	+ size_t serialized_len;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\MinKey::__serialize()
	+*/
	+static PHP_METHOD(MinKey, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ array_init_size(return_value, 0);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\MinKey::__unserialize(array $data)
	+*/
	+static PHP_METHOD(MinKey, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\MinKey function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_MinKey___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_MinKey___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_MinKey_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_MinKey_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_MinKey_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_minkey_me[] = {
	+ PHP_ME(MinKey, __serialize, ai_MinKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MinKey, __set_state, ai_MinKey___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(MinKey, __unserialize, ai_MinKey___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MinKey, jsonSerialize, ai_MinKey_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MinKey, serialize, ai_MinKey_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(MinKey, unserialize, ai_MinKey_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\MinKey object handlers */
	+static zend_object_handlers php_phongo_handler_minkey;
	+
	+static void php_phongo_minkey_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_minkey_t* intern = Z_OBJ_MINKEY(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_minkey_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_minkey_t* intern = zend_object_alloc(sizeof(php_phongo_minkey_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_minkey;
	+
	+ return &intern->std;
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_minkey_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MinKey", php_phongo_minkey_me);
	+ php_phongo_minkey_ce = zend_register_internal_class(&ce);
	+ php_phongo_minkey_ce->create_object = php_phongo_minkey_create_object;
	+ PHONGO_CE_FINAL(php_phongo_minkey_ce);
	+
	+ zend_class_implements(php_phongo_minkey_ce, 1, php_phongo_minkey_interface_ce);
	+ zend_class_implements(php_phongo_minkey_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_minkey_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_minkey_ce, 1, zend_ce_serializable);
	+
	+ memcpy(&php_phongo_handler_minkey, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ /* Re-assign default handler previously removed in php_phongo.c */
	+ php_phongo_handler_minkey.clone_obj = zend_objects_clone_obj;
	+ php_phongo_handler_minkey.free_obj = php_phongo_minkey_free_object;
	+ php_phongo_handler_minkey.offset = XtOffsetOf(php_phongo_minkey_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/MinKeyInterface.c b/mongodb-1.13.0/src/BSON/MinKeyInterface.c
	new file mode 100644
	index 00000000..44025a9f
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/MinKeyInterface.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_minkey_interface_ce;
	+
	+/* {{{ MongoDB\BSON\MinKeyInterface function entries */
	+static zend_function_entry php_phongo_minkey_interface_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_minkey_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "MinKeyInterface", php_phongo_minkey_interface_me);
	+ php_phongo_minkey_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/ObjectId.c b/mongodb-1.13.0/src/BSON/ObjectId.c
	new file mode 100644
	index 00000000..351b7947
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/ObjectId.c
	@@ -0,0 +1,452 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#define PHONGO_OID_SIZE sizeof(((php_phongo_objectid_t*) 0)->oid)
	+#define PHONGO_OID_LEN (PHONGO_OID_SIZE - 1)
	+
	+zend_class_entry* php_phongo_objectid_ce;
	+
	+/* Initialize the object with a generated value and return whether it was
	+ * successful. */
	+static bool php_phongo_objectid_init(php_phongo_objectid_t* intern)
	+{
	+ bson_oid_t oid;
	+
	+ intern->initialized = true;
	+
	+ bson_oid_init(&oid, NULL);
	+ bson_oid_to_string(&oid, intern->oid);
	+
	+ return true;
	+}
	+
	+/* Initialize the object from a hex string and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_objectid_init_from_hex_string(php_phongo_objectid_t* intern, const char* hex, size_t hex_len) /* {{{ */
	+{
	+ if (bson_oid_is_valid(hex, hex_len)) {
	+ bson_oid_t oid;
	+
	+ bson_oid_init_from_string(&oid, hex);
	+ bson_oid_to_string(&oid, intern->oid);
	+ intern->initialized = true;
	+
	+ return true;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing ObjectId string: %s", hex);
	+
	+ return false;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_objectid_init_from_hash(php_phongo_objectid_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* z_oid;
	+
	+ z_oid = zend_hash_str_find(props, "oid", sizeof("oid") - 1);
	+
	+ if (z_oid && Z_TYPE_P(z_oid) == IS_STRING) {
	+ return php_phongo_objectid_init_from_hex_string(intern, Z_STRVAL_P(z_oid), Z_STRLEN_P(z_oid));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"oid\" string field", ZSTR_VAL(php_phongo_objectid_ce->name));
	+ return false;
	+} /* }}} */
	+
	+static HashTable* php_phongo_objectid_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_OBJECTID(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	+
	+ if (!intern->initialized) {
	+ return props;
	+ }
	+
	+ {
	+ zval zv;
	+
	+ ZVAL_STRING(&zv, intern->oid);
	+ zend_hash_str_update(props, "oid", sizeof("oid") - 1, &zv);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\ObjectId::__construct([string $id])
	+ Constructs a new BSON ObjectId type, optionally from a hex string. */
	+static PHP_METHOD(ObjectId, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+ char* id = NULL;
	+ size_t id_len;
	+
	+ intern = Z_OBJECTID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|s!", &id, &id_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (id) {
	+ php_phongo_objectid_init_from_hex_string(intern, id, id_len);
	+ } else {
	+ php_phongo_objectid_init(intern);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\BSON\ObjectId::getTimestamp()
	+*/
	+static PHP_METHOD(ObjectId, getTimestamp)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+ bson_oid_t tmp_oid;
	+
	+ intern = Z_OBJECTID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ bson_oid_init_from_string(&tmp_oid, intern->oid);
	+ RETVAL_LONG(bson_oid_get_time_t(&tmp_oid));
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId MongoDB\BSON\ObjectId::__set_state(array $properties)
	+*/
	+static PHP_METHOD(ObjectId, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_objectid_ce);
	+
	+ intern = Z_OBJECTID_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_objectid_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\ObjectId::__toString()
	+*/
	+static PHP_METHOD(ObjectId, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+
	+ intern = Z_OBJECTID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRINGL(intern->oid, PHONGO_OID_LEN);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\ObjectId::jsonSerialize()
	+*/
	+static PHP_METHOD(ObjectId, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_OBJECTID_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 1);
	+ ADD_ASSOC_STRINGL(return_value, "$oid", intern->oid, PHONGO_OID_LEN);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\ObjectId::serialize()
	+*/
	+static PHP_METHOD(ObjectId, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_OBJECTID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_STRINGL(&retval, "oid", intern->oid, PHONGO_OID_LEN);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\ObjectId::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(ObjectId, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_objectid_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_OBJECTID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_objectid_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_objectid_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ObjectId::__serialize()
	+*/
	+static PHP_METHOD(ObjectId, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_objectid_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ObjectId::__unserialize(array $data)
	+*/
	+static PHP_METHOD(ObjectId, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_objectid_init_from_hash(Z_OBJECTID_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\ObjectId function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId___construct, 0, 0, 0)
	+ ZEND_ARG_INFO(0, id)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_ObjectId___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_ObjectId_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ObjectId_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_objectid_me[] = {
	+ PHP_ME(ObjectId, __construct, ai_ObjectId___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, getTimestamp, ai_ObjectId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, __serialize, ai_ObjectId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, __set_state, ai_ObjectId___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(ObjectId, __toString, ai_ObjectId___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, __unserialize, ai_ObjectId___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, jsonSerialize, ai_ObjectId_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, serialize, ai_ObjectId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ObjectId, unserialize, ai_ObjectId_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\ObjectId object handlers */
	+static zend_object_handlers php_phongo_handler_objectid;
	+
	+static void php_phongo_objectid_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern = Z_OBJ_OBJECTID(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_objectid_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern = zend_object_alloc(sizeof(php_phongo_objectid_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_objectid;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_objectid_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern;
	+ php_phongo_objectid_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_OBJECTID(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_objectid_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_OBJECTID(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ // Use memcpy to copy bson value to avoid converting to string and back
	+ memcpy(&new_intern->oid, &intern->oid, PHONGO_OID_SIZE);
	+ new_intern->initialized = true;
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_objectid_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern1;
	+ php_phongo_objectid_t* intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_OBJECTID_OBJ_P(o1);
	+ intern2 = Z_OBJECTID_OBJ_P(o2);
	+
	+ return strcmp(intern1->oid, intern2->oid);
	+} /* }}} */
	+
	+static HashTable* php_phongo_objectid_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_objectid_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_objectid_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_objectid_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_objectid_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "ObjectId", php_phongo_objectid_me);
	+ php_phongo_objectid_ce = zend_register_internal_class(&ce);
	+ php_phongo_objectid_ce->create_object = php_phongo_objectid_create_object;
	+ PHONGO_CE_FINAL(php_phongo_objectid_ce);
	+
	+ zend_class_implements(php_phongo_objectid_ce, 1, php_phongo_objectid_interface_ce);
	+ zend_class_implements(php_phongo_objectid_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_objectid_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_objectid_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_objectid_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_objectid, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(objectid);
	+ php_phongo_handler_objectid.clone_obj = php_phongo_objectid_clone_object;
	+ php_phongo_handler_objectid.get_debug_info = php_phongo_objectid_get_debug_info;
	+ php_phongo_handler_objectid.get_properties = php_phongo_objectid_get_properties;
	+ php_phongo_handler_objectid.free_obj = php_phongo_objectid_free_object;
	+ php_phongo_handler_objectid.offset = XtOffsetOf(php_phongo_objectid_t, std);
	+} /* }}} */
	+
	+void phongo_objectid_init(zval* return_value, const bson_oid_t* oid) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_objectid_ce);
	+
	+ intern = Z_OBJECTID_OBJ_P(return_value);
	+ bson_oid_to_string(oid, intern->oid);
	+ intern->initialized = true;
	+}
	+/* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/ObjectId.h b/mongodb-1.13.0/src/BSON/ObjectId.h
	new file mode 100644
	index 00000000..ef01e32a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/ObjectId.h
	@@ -0,0 +1,26 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_BSON_OBJECTID_H
	+#define PHONGO_BSON_OBJECTID_H
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+void phongo_objectid_init(zval* return_value, const bson_oid_t* oid);
	+
	+#endif /* PHONGO_BSON_OBJECTID_H */
	diff --git a/mongodb-1.13.0/src/BSON/ObjectIdInterface.c b/mongodb-1.13.0/src/BSON/ObjectIdInterface.c
	new file mode 100644
	index 00000000..a572b5b9
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/ObjectIdInterface.c
	@@ -0,0 +1,45 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_objectid_interface_ce;
	+
	+/* {{{ MongoDB\BSON\ObjectIdInterface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_ObjectIdInterface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ObjectIdInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_objectid_interface_me[] = {
	+ ZEND_ABSTRACT_ME(ObjectIdInterface, getTimestamp, ai_ObjectIdInterface_void)
	+ ZEND_ABSTRACT_ME(ObjectIdInterface, __toString, ai_ObjectIdInterface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_objectid_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "ObjectIdInterface", php_phongo_objectid_interface_me);
	+ php_phongo_objectid_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Persistable.c b/mongodb-1.13.0/src/BSON/Persistable.c
	new file mode 100644
	index 00000000..29949f4a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Persistable.c
	@@ -0,0 +1,36 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_persistable_ce;
	+
	+/* {{{ MongoDB\BSON\Persistable function entries */
	+static zend_function_entry php_phongo_persistable_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_persistable_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Persistable", php_phongo_persistable_me);
	+ php_phongo_persistable_ce = zend_register_internal_interface(&ce);
	+ zend_class_implements(php_phongo_persistable_ce, 2, php_phongo_unserializable_ce, php_phongo_serializable_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Regex.c b/mongodb-1.13.0/src/BSON/Regex.c
	new file mode 100644
	index 00000000..8dfe34f6
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Regex.c
	@@ -0,0 +1,479 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_regex_ce;
	+
	+/* qsort() compare callback for alphabetizing regex flags upon initialization */
	+static int php_phongo_regex_compare_flags(const void* f1, const void* f2) /* {{{ */
	+{
	+ if ((const char) f1 == (const char) f2) {
	+ return 0;
	+ }
	+
	+ return ((const char) f1 > (const char) f2) ? 1 : -1;
	+} /* }}} */
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_regex_init(php_phongo_regex_t* intern, const char* pattern, size_t pattern_len, const char* flags, size_t flags_len) /* {{{ */
	+{
	+ if (strlen(pattern) != (size_t) pattern_len) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Pattern cannot contain null bytes");
	+ return false;
	+ }
	+ intern->pattern = estrndup(pattern, pattern_len);
	+ intern->pattern_len = pattern_len;
	+
	+ if (flags) {
	+ if (strlen(flags) != (size_t) flags_len) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Flags cannot contain null bytes");
	+ return false;
	+ }
	+ intern->flags = estrndup(flags, flags_len);
	+ intern->flags_len = flags_len;
	+ /* Ensure flags are alphabetized upon initialization */
	+ qsort((void*) intern->flags, flags_len, 1, php_phongo_regex_compare_flags);
	+ } else {
	+ intern->flags = estrdup("");
	+ intern->flags_len = 0;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_regex_init_from_hash(php_phongo_regex_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval pattern, flags;
	+
	+ if ((pattern = zend_hash_str_find(props, "pattern", sizeof("pattern") - 1)) && Z_TYPE_P(pattern) == IS_STRING &&
	+ (flags = zend_hash_str_find(props, "flags", sizeof("flags") - 1)) && Z_TYPE_P(flags) == IS_STRING) {
	+
	+ return php_phongo_regex_init(intern, Z_STRVAL_P(pattern), Z_STRLEN_P(pattern), Z_STRVAL_P(flags), Z_STRLEN_P(flags));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"pattern\" and \"flags\" string fields", ZSTR_VAL(php_phongo_regex_ce->name));
	+ return false;
	+} /* }}} */
	+
	+static HashTable* php_phongo_regex_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_regex_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_REGEX(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->pattern) {
	+ return props;
	+ }
	+
	+ {
	+ zval pattern, flags;
	+
	+ ZVAL_STRINGL(&pattern, intern->pattern, intern->pattern_len);
	+ zend_hash_str_update(props, "pattern", sizeof("pattern") - 1, &pattern);
	+
	+ ZVAL_STRINGL(&flags, intern->flags, intern->flags_len);
	+ zend_hash_str_update(props, "flags", sizeof("flags") - 1, &flags);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Regex::__construct(string $pattern [, string $flags])
	+ Constructs a new BSON regular expression type. */
	+static PHP_METHOD(Regex, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+ char* pattern;
	+ size_t pattern_len;
	+ char* flags = NULL;
	+ size_t flags_len = 0;
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|s", &pattern, &pattern_len, &flags, &flags_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_regex_init(intern, pattern, pattern_len, flags, flags_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Regex::getPattern()
	+*/
	+static PHP_METHOD(Regex, getPattern)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRINGL(intern->pattern, intern->pattern_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Regex::getFlags()
	+*/
	+static PHP_METHOD(Regex, getFlags)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRINGL(intern->flags, intern->flags_len);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Regex MongoDB\BSON\Regex::__set_state(array $properties)
	+*/
	+static PHP_METHOD(Regex, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_regex_ce);
	+
	+ intern = Z_REGEX_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_regex_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Regex::__toString()
	+ Returns a string in the form: /pattern/flags */
	+static PHP_METHOD(Regex, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+ char* regex;
	+ int regex_len;
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ regex_len = spprintf(&regex, 0, "/%s/%s", intern->pattern, intern->flags);
	+ RETVAL_STRINGL(regex, regex_len);
	+ efree(regex);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Regex::jsonSerialize()
	+*/
	+static PHP_METHOD(Regex, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 2);
	+ ADD_ASSOC_STRINGL(return_value, "$regex", intern->pattern, intern->pattern_len);
	+ ADD_ASSOC_STRINGL(return_value, "$options", intern->flags, intern->flags_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Regex::serialize()
	+*/
	+static PHP_METHOD(Regex, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(&retval, 2);
	+ ADD_ASSOC_STRINGL(&retval, "pattern", intern->pattern, intern->pattern_len);
	+ ADD_ASSOC_STRINGL(&retval, "flags", intern->flags, intern->flags_len);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Regex::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Regex, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_regex_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_REGEX_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_regex_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_regex_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Regex::__serialize()
	+*/
	+static PHP_METHOD(Regex, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_regex_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Regex::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Regex, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_regex_init_from_hash(Z_REGEX_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Regex function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Regex___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, pattern)
	+ ZEND_ARG_INFO(0, flags)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Regex___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Regex___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Regex___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Regex_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Regex_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Regex_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_regex_me[] = {
	+ PHP_ME(Regex, __construct, ai_Regex___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, __serialize, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, __set_state, ai_Regex___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(Regex, __toString, ai_Regex___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, __unserialize, ai_Regex___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, jsonSerialize, ai_Regex_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, serialize, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, unserialize, ai_Regex_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, getPattern, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Regex, getFlags, ai_Regex_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Regex object handlers */
	+static zend_object_handlers php_phongo_handler_regex;
	+
	+static void php_phongo_regex_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_regex_t* intern = Z_OBJ_REGEX(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->pattern) {
	+ efree(intern->pattern);
	+ }
	+
	+ if (intern->flags) {
	+ efree(intern->flags);
	+ }
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_regex_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_regex_t* intern = zend_object_alloc(sizeof(php_phongo_regex_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_regex;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_regex_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_regex_t* intern;
	+ php_phongo_regex_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_REGEX(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_regex_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_REGEX(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_regex_init(new_intern, intern->pattern, intern->pattern_len, intern->flags, intern->flags_len);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_regex_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_regex_t intern1, intern2;
	+ int retval;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_REGEX_OBJ_P(o1);
	+ intern2 = Z_REGEX_OBJ_P(o2);
	+
	+ /* MongoDB compares the pattern string before the flags. */
	+ retval = strcmp(intern1->pattern, intern2->pattern);
	+
	+ if (retval != 0) {
	+ return retval;
	+ }
	+
	+ return strcmp(intern1->flags, intern2->flags);
	+} /* }}} */
	+
	+static HashTable* php_phongo_regex_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_regex_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_regex_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_regex_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_regex_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Regex", php_phongo_regex_me);
	+ php_phongo_regex_ce = zend_register_internal_class(&ce);
	+ php_phongo_regex_ce->create_object = php_phongo_regex_create_object;
	+ PHONGO_CE_FINAL(php_phongo_regex_ce);
	+
	+ zend_class_implements(php_phongo_regex_ce, 1, php_phongo_regex_interface_ce);
	+ zend_class_implements(php_phongo_regex_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_regex_ce, 1, zend_ce_serializable);
	+ zend_class_implements(php_phongo_regex_ce, 1, php_phongo_json_serializable_ce);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_regex_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_regex, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(regex);
	+ php_phongo_handler_regex.clone_obj = php_phongo_regex_clone_object;
	+ php_phongo_handler_regex.get_debug_info = php_phongo_regex_get_debug_info;
	+ php_phongo_handler_regex.get_properties = php_phongo_regex_get_properties;
	+ php_phongo_handler_regex.free_obj = php_phongo_regex_free_object;
	+ php_phongo_handler_regex.offset = XtOffsetOf(php_phongo_regex_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/RegexInterface.c b/mongodb-1.13.0/src/BSON/RegexInterface.c
	new file mode 100644
	index 00000000..c8c0e267
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/RegexInterface.c
	@@ -0,0 +1,46 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_regex_interface_ce;
	+
	+/* {{{ MongoDB\BSON\RegexInterface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_RegexInterface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_RegexInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_regex_interface_me[] = {
	+ ZEND_ABSTRACT_ME(RegexInterface, getFlags, ai_RegexInterface_void)
	+ ZEND_ABSTRACT_ME(RegexInterface, getPattern, ai_RegexInterface_void)
	+ ZEND_ABSTRACT_ME(RegexInterface, __toString, ai_RegexInterface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_regex_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "RegexInterface", php_phongo_regex_interface_me);
	+ php_phongo_regex_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Serializable.c b/mongodb-1.13.0/src/BSON/Serializable.c
	new file mode 100644
	index 00000000..5563b29e
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Serializable.c
	@@ -0,0 +1,42 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_serializable_ce;
	+
	+/* {{{ MongoDB\BSON\Serializable function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Serializable_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serializable_me[] = {
	+ /* clang-format off */
	+ ZEND_ABSTRACT_ME(Serializable, bsonSerialize, ai_Serializable_void)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_serializable_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Serializable", php_phongo_serializable_me);
	+ php_phongo_serializable_ce = zend_register_internal_interface(&ce);
	+ zend_class_implements(php_phongo_serializable_ce, 1, php_phongo_type_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Symbol.c b/mongodb-1.13.0/src/BSON/Symbol.c
	new file mode 100644
	index 00000000..c547be37
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Symbol.c
	@@ -0,0 +1,336 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_symbol_ce;
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_symbol_init(php_phongo_symbol_t* intern, const char* symbol, size_t symbol_len) /* {{{ */
	+{
	+ if (strlen(symbol) != (size_t) symbol_len) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Symbol cannot contain null bytes");
	+ return false;
	+ }
	+
	+ intern->symbol = estrndup(symbol, symbol_len);
	+ intern->symbol_len = symbol_len;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_symbol_init_from_hash(php_phongo_symbol_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* symbol;
	+
	+ if ((symbol = zend_hash_str_find(props, "symbol", sizeof("symbol") - 1)) && Z_TYPE_P(symbol) == IS_STRING) {
	+ return php_phongo_symbol_init(intern, Z_STRVAL_P(symbol), Z_STRLEN_P(symbol));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"symbol\" string field", ZSTR_VAL(php_phongo_symbol_ce->name));
	+ return false;
	+} /* }}} */
	+
	+HashTable* php_phongo_symbol_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_symbol_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_SYMBOL(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->symbol) {
	+ return props;
	+ }
	+
	+ {
	+ zval symbol;
	+
	+ ZVAL_STRING(&symbol, intern->symbol);
	+ zend_hash_str_update(props, "symbol", sizeof("symbol") - 1, &symbol);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Symbol::__toString()
	+ Return the Symbol's symbol string. */
	+static PHP_METHOD(Symbol, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_symbol_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_SYMBOL_OBJ_P(getThis());
	+
	+ RETURN_STRINGL(intern->symbol, intern->symbol_len);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Symbol::jsonSerialize()
	+*/
	+static PHP_METHOD(Symbol, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_symbol_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_SYMBOL_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 1);
	+ ADD_ASSOC_STRINGL(return_value, "$symbol", intern->symbol, intern->symbol_len);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Symbol::serialize()
	+*/
	+static PHP_METHOD(Symbol, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_symbol_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_SYMBOL_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_STRINGL(&retval, "symbol", intern->symbol, intern->symbol_len);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Symbol::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Symbol, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_symbol_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_SYMBOL_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_symbol_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_symbol_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Symbol::__serialize()
	+*/
	+static PHP_METHOD(Symbol, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ ZVAL_ARR(return_value, php_phongo_symbol_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Symbol::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Symbol, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_symbol_init_from_hash(Z_SYMBOL_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Symbol function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Symbol___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Symbol___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Symbol_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Symbol_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Symbol_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_symbol_me[] = {
	+ /* __set_state intentionally missing */
	+ PHP_ME(Symbol, __serialize, ai_Symbol_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Symbol, __toString, ai_Symbol___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Symbol, __unserialize, ai_Symbol___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Symbol, jsonSerialize, ai_Symbol_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Symbol, serialize, ai_Symbol_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Symbol, unserialize, ai_Symbol_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Symbol_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Symbol object handlers */
	+static zend_object_handlers php_phongo_handler_symbol;
	+
	+static void php_phongo_symbol_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_symbol_t* intern = Z_OBJ_SYMBOL(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->symbol) {
	+ efree(intern->symbol);
	+ }
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+zend_object* php_phongo_symbol_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_symbol_t* intern = zend_object_alloc(sizeof(php_phongo_symbol_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_symbol;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_symbol_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_symbol_t* intern;
	+ php_phongo_symbol_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_SYMBOL(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_symbol_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_SYMBOL(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_symbol_init(new_intern, intern->symbol, intern->symbol_len);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_symbol_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_symbol_t intern1, intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_SYMBOL_OBJ_P(o1);
	+ intern2 = Z_SYMBOL_OBJ_P(o2);
	+
	+ return strcmp(intern1->symbol, intern2->symbol);
	+} /* }}} */
	+
	+static HashTable* php_phongo_symbol_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_symbol_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_symbol_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_symbol_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_symbol_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Symbol", php_phongo_symbol_me);
	+ php_phongo_symbol_ce = zend_register_internal_class(&ce);
	+ php_phongo_symbol_ce->create_object = php_phongo_symbol_create_object;
	+ PHONGO_CE_FINAL(php_phongo_symbol_ce);
	+
	+ zend_class_implements(php_phongo_symbol_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_symbol_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_symbol_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_symbol_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_symbol, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(symbol);
	+ php_phongo_handler_symbol.clone_obj = php_phongo_symbol_clone_object;
	+ php_phongo_handler_symbol.get_debug_info = php_phongo_symbol_get_debug_info;
	+ php_phongo_handler_symbol.get_properties = php_phongo_symbol_get_properties;
	+ php_phongo_handler_symbol.free_obj = php_phongo_symbol_free_object;
	+ php_phongo_handler_symbol.offset = XtOffsetOf(php_phongo_symbol_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Timestamp.c b/mongodb-1.13.0/src/BSON/Timestamp.c
	new file mode 100644
	index 00000000..23d141ce
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Timestamp.c
	@@ -0,0 +1,522 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+zend_class_entry* php_phongo_timestamp_ce;
	+
	+/* Initialize the object and return whether it was successful. An exception will
	+ * be thrown on error. */
	+static bool php_phongo_timestamp_init(php_phongo_timestamp_t* intern, int64_t increment, int64_t timestamp) /* {{{ */
	+{
	+ if (increment < 0 \|\| increment > UINT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected increment to be an unsigned 32-bit integer, %" PRId64 " given", increment);
	+ return false;
	+ }
	+
	+ if (timestamp < 0 \|\| timestamp > UINT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected timestamp to be an unsigned 32-bit integer, %" PRId64 " given", timestamp);
	+ return false;
	+ }
	+
	+ intern->increment = (uint32_t) increment;
	+ intern->timestamp = (uint32_t) timestamp;
	+ intern->initialized = true;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from numeric strings and return whether it was
	+ * successful. An exception will be thrown on error. */
	+static bool php_phongo_timestamp_init_from_string(php_phongo_timestamp_t* intern, const char* s_increment, size_t s_increment_len, const char* s_timestamp, size_t s_timestamp_len) /* {{{ */
	+{
	+ int64_t increment, timestamp;
	+
	+ if (!php_phongo_parse_int64(&increment, s_increment, s_increment_len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer increment for %s initialization", s_increment, ZSTR_VAL(php_phongo_timestamp_ce->name));
	+ return false;
	+ }
	+
	+ if (!php_phongo_parse_int64(&timestamp, s_timestamp, s_timestamp_len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer timestamp for %s initialization", s_timestamp, ZSTR_VAL(php_phongo_timestamp_ce->name));
	+ return false;
	+ }
	+
	+ return php_phongo_timestamp_init(intern, increment, timestamp);
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_timestamp_init_from_hash(php_phongo_timestamp_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval increment, timestamp;
	+
	+ if ((increment = zend_hash_str_find(props, "increment", sizeof("increment") - 1)) && Z_TYPE_P(increment) == IS_LONG &&
	+ (timestamp = zend_hash_str_find(props, "timestamp", sizeof("timestamp") - 1)) && Z_TYPE_P(timestamp) == IS_LONG) {
	+
	+ return php_phongo_timestamp_init(intern, Z_LVAL_P(increment), Z_LVAL_P(timestamp));
	+ }
	+ if ((increment = zend_hash_str_find(props, "increment", sizeof("increment") - 1)) && Z_TYPE_P(increment) == IS_STRING &&
	+ (timestamp = zend_hash_str_find(props, "timestamp", sizeof("timestamp") - 1)) && Z_TYPE_P(timestamp) == IS_STRING) {
	+
	+ return php_phongo_timestamp_init_from_string(intern, Z_STRVAL_P(increment), Z_STRLEN_P(increment), Z_STRVAL_P(timestamp), Z_STRLEN_P(timestamp));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"increment\" and \"timestamp\" integer or numeric string fields", ZSTR_VAL(php_phongo_timestamp_ce->name));
	+ return false;
	+} /* }}} */
	+
	+static HashTable* php_phongo_timestamp_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_timestamp_t* intern;
	+ HashTable* props;
	+ char s_increment[24];
	+ char s_timestamp[24];
	+ int s_increment_len;
	+ int s_timestamp_len;
	+
	+ intern = Z_OBJ_TIMESTAMP(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 2);
	+
	+ if (!intern->initialized) {
	+ return props;
	+ }
	+
	+ s_increment_len = snprintf(s_increment, sizeof(s_increment), "%" PRIu32, intern->increment);
	+ s_timestamp_len = snprintf(s_timestamp, sizeof(s_timestamp), "%" PRIu32, intern->timestamp);
	+
	+ {
	+ zval increment, timestamp;
	+
	+ ZVAL_STRINGL(&increment, s_increment, s_increment_len);
	+ zend_hash_str_update(props, "increment", sizeof("increment") - 1, &increment);
	+
	+ ZVAL_STRINGL(&timestamp, s_timestamp, s_timestamp_len);
	+ zend_hash_str_update(props, "timestamp", sizeof("timestamp") - 1, &timestamp);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Timestamp::__construct(int\|string $increment, int\|string $timestamp)
	+ Construct a new BSON timestamp type, which consists of a 4-byte increment and
	+ 4-byte timestamp. */
	+static PHP_METHOD(Timestamp, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+ zval * increment = NULL, *timestamp = NULL;
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &increment, &timestamp) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (Z_TYPE_P(increment) == IS_LONG && Z_TYPE_P(timestamp) == IS_LONG) {
	+ php_phongo_timestamp_init(intern, Z_LVAL_P(increment), Z_LVAL_P(timestamp));
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(increment) == IS_LONG) {
	+ convert_to_string(increment);
	+ }
	+
	+ if (Z_TYPE_P(increment) != IS_STRING) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected increment to be an unsigned 32-bit integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(increment));
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(timestamp) == IS_LONG) {
	+ convert_to_string(timestamp);
	+ }
	+
	+ if (Z_TYPE_P(timestamp) != IS_STRING) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected timestamp to be an unsigned 32-bit integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(timestamp));
	+ return;
	+ }
	+
	+ php_phongo_timestamp_init_from_string(intern, Z_STRVAL_P(increment), Z_STRLEN_P(increment), Z_STRVAL_P(timestamp), Z_STRLEN_P(timestamp));
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\BSON\Timestamp::getIncrement()
	+*/
	+static PHP_METHOD(Timestamp, getIncrement)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETVAL_LONG(intern->increment);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\BSON\Timestamp::getTimestamp()
	+*/
	+static PHP_METHOD(Timestamp, getTimestamp)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETVAL_LONG(intern->timestamp);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Timestamp MongoDB\BSON\Timestamp::__set_state(array $properties)
	+*/
	+static PHP_METHOD(Timestamp, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_timestamp_ce);
	+
	+ intern = Z_TIMESTAMP_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_timestamp_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Timestamp::__toString()
	+ Returns a string in the form: [increment:timestamp] */
	+static PHP_METHOD(Timestamp, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+ char* retval;
	+ int retval_len;
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ retval_len = spprintf(&retval, 0, "[%" PRIu32 ":%" PRIu32 "]", intern->increment, intern->timestamp);
	+ RETVAL_STRINGL(retval, retval_len);
	+ efree(retval);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Timestamp::jsonSerialize()
	+*/
	+static PHP_METHOD(Timestamp, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 1);
	+
	+ {
	+ zval ts;
	+
	+ array_init_size(&ts, 2);
	+ ADD_ASSOC_LONG_EX(&ts, "t", intern->timestamp);
	+ ADD_ASSOC_LONG_EX(&ts, "i", intern->increment);
	+ ADD_ASSOC_ZVAL_EX(return_value, "$timestamp", &ts);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Timestamp::serialize()
	+*/
	+static PHP_METHOD(Timestamp, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+ char s_increment[12];
	+ char s_timestamp[12];
	+ int s_increment_len;
	+ int s_timestamp_len;
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ s_increment_len = snprintf(s_increment, sizeof(s_increment), "%" PRIu32, intern->increment);
	+ s_timestamp_len = snprintf(s_timestamp, sizeof(s_timestamp), "%" PRIu32, intern->timestamp);
	+
	+ array_init_size(&retval, 2);
	+ ADD_ASSOC_STRINGL(&retval, "increment", s_increment, s_increment_len);
	+ ADD_ASSOC_STRINGL(&retval, "timestamp", s_timestamp, s_timestamp_len);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Timestamp::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Timestamp, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_timestamp_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_TIMESTAMP_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_timestamp_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_timestamp_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Timestamp::__serialize()
	+*/
	+static PHP_METHOD(Timestamp, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_timestamp_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Timestamp::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Timestamp, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_timestamp_init_from_hash(Z_TIMESTAMP_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Timestamp function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp___construct, 0, 0, 2)
	+ ZEND_ARG_INFO(0, increment)
	+ ZEND_ARG_INFO(0, timestamp)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Timestamp___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Timestamp_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Timestamp_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_timestamp_me[] = {
	+ PHP_ME(Timestamp, __construct, ai_Timestamp___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, __serialize, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, __set_state, ai_Timestamp___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(Timestamp, __toString, ai_Timestamp___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, __unserialize, ai_Timestamp___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, jsonSerialize, ai_Timestamp_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, serialize, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, unserialize, ai_Timestamp_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, getIncrement, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Timestamp, getTimestamp, ai_Timestamp_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Timestamp object handlers */
	+static zend_object_handlers php_phongo_handler_timestamp;
	+
	+static void php_phongo_timestamp_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_timestamp_t* intern = Z_OBJ_TIMESTAMP(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_timestamp_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_timestamp_t* intern = zend_object_alloc(sizeof(php_phongo_timestamp_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_timestamp;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_timestamp_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_timestamp_t* intern;
	+ php_phongo_timestamp_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_TIMESTAMP(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_timestamp_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_TIMESTAMP(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_timestamp_init(new_intern, intern->increment, intern->timestamp);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_timestamp_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_timestamp_t intern1, intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_TIMESTAMP_OBJ_P(o1);
	+ intern2 = Z_TIMESTAMP_OBJ_P(o2);
	+
	+ /* MongoDB compares the timestamp before the increment. */
	+ if (intern1->timestamp != intern2->timestamp) {
	+ return intern1->timestamp < intern2->timestamp ? -1 : 1;
	+ }
	+
	+ if (intern1->increment != intern2->increment) {
	+ return intern1->increment < intern2->increment ? -1 : 1;
	+ }
	+
	+ return 0;
	+} /* }}} */
	+
	+static HashTable* php_phongo_timestamp_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_timestamp_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_timestamp_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_timestamp_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_timestamp_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Timestamp", php_phongo_timestamp_me);
	+ php_phongo_timestamp_ce = zend_register_internal_class(&ce);
	+ php_phongo_timestamp_ce->create_object = php_phongo_timestamp_create_object;
	+ PHONGO_CE_FINAL(php_phongo_timestamp_ce);
	+
	+ zend_class_implements(php_phongo_timestamp_ce, 1, php_phongo_timestamp_interface_ce);
	+ zend_class_implements(php_phongo_timestamp_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_timestamp_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_timestamp_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_timestamp_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_timestamp, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(timestamp);
	+ php_phongo_handler_timestamp.clone_obj = php_phongo_timestamp_clone_object;
	+ php_phongo_handler_timestamp.get_debug_info = php_phongo_timestamp_get_debug_info;
	+ php_phongo_handler_timestamp.get_properties = php_phongo_timestamp_get_properties;
	+ php_phongo_handler_timestamp.free_obj = php_phongo_timestamp_free_object;
	+ php_phongo_handler_timestamp.offset = XtOffsetOf(php_phongo_timestamp_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/TimestampInterface.c b/mongodb-1.13.0/src/BSON/TimestampInterface.c
	new file mode 100644
	index 00000000..4963eae0
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/TimestampInterface.c
	@@ -0,0 +1,46 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_timestamp_interface_ce;
	+
	+/* {{{ MongoDB\BSON\TimestampInterface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_TimestampInterface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_TimestampInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_timestamp_interface_me[] = {
	+ ZEND_ABSTRACT_ME(TimestampInterface, getIncrement, ai_TimestampInterface_void)
	+ ZEND_ABSTRACT_ME(TimestampInterface, getTimestamp, ai_TimestampInterface_void)
	+ ZEND_ABSTRACT_ME(TimestampInterface, __toString, ai_TimestampInterface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_timestamp_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "TimestampInterface", php_phongo_timestamp_interface_me);
	+ php_phongo_timestamp_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Type.c b/mongodb-1.13.0/src/BSON/Type.c
	new file mode 100644
	index 00000000..34ff9e52
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Type.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_type_ce;
	+
	+/* {{{ MongoDB\BSON\Type function entries */
	+static zend_function_entry php_phongo_type_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_type_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Type", php_phongo_type_me);
	+ php_phongo_type_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/UTCDateTime.c b/mongodb-1.13.0/src/BSON/UTCDateTime.c
	new file mode 100644
	index 00000000..3c467153
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/UTCDateTime.c
	@@ -0,0 +1,514 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <math.h>
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/date/php_date.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+zend_class_entry* php_phongo_utcdatetime_ce;
	+
	+/* Initialize the object and return whether it was successful. */
	+static bool php_phongo_utcdatetime_init(php_phongo_utcdatetime_t* intern, int64_t milliseconds) /* {{{ */
	+{
	+ intern->milliseconds = milliseconds;
	+ intern->initialized = true;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a numeric string and return whether it was
	+ * successful. An exception will be thrown on error. */
	+static bool php_phongo_utcdatetime_init_from_string(php_phongo_utcdatetime_t* intern, const char* s_milliseconds, size_t s_milliseconds_len) /* {{{ */
	+{
	+ int64_t milliseconds;
	+
	+ if (!php_phongo_parse_int64(&milliseconds, s_milliseconds, s_milliseconds_len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit integer for %s initialization", s_milliseconds, ZSTR_VAL(php_phongo_utcdatetime_ce->name));
	+ return false;
	+ }
	+
	+ return php_phongo_utcdatetime_init(intern, milliseconds);
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_utcdatetime_init_from_hash(php_phongo_utcdatetime_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* milliseconds;
	+
	+ if ((milliseconds = zend_hash_str_find(props, "milliseconds", sizeof("milliseconds") - 1)) && Z_TYPE_P(milliseconds) == IS_LONG) {
	+ return php_phongo_utcdatetime_init(intern, Z_LVAL_P(milliseconds));
	+ }
	+
	+ if ((milliseconds = zend_hash_str_find(props, "milliseconds", sizeof("milliseconds") - 1)) && Z_TYPE_P(milliseconds) == IS_STRING) {
	+ return php_phongo_utcdatetime_init_from_string(intern, Z_STRVAL_P(milliseconds), Z_STRLEN_P(milliseconds));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"milliseconds\" integer or numeric string field", ZSTR_VAL(php_phongo_utcdatetime_ce->name));
	+ return false;
	+} /* }}} */
	+
	+/* Initialize the object from the current time and return whether it was
	+ * successful. */
	+static bool php_phongo_utcdatetime_init_from_current_time(php_phongo_utcdatetime_t* intern) /* {{{ */
	+{
	+ int64_t sec, usec;
	+ struct timeval cur_time;
	+
	+ bson_gettimeofday(&cur_time);
	+ sec = cur_time.tv_sec;
	+ usec = cur_time.tv_usec;
	+
	+ intern->milliseconds = (sec * 1000) + (usec / 1000);
	+ intern->initialized = true;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a DateTime object and return whether it was
	+ * successful. */
	+static bool php_phongo_utcdatetime_init_from_date(php_phongo_utcdatetime_t* intern, php_date_obj* datetime_obj) /* {{{ */
	+{
	+ int64_t sec, usec;
	+
	+ /* The following assignments use the same logic as date_format() in php_date.c */
	+ sec = datetime_obj->time->sse;
	+ usec = (int64_t) floor(datetime_obj->time->us);
	+
	+ intern->milliseconds = (sec * 1000) + (usec / 1000);
	+ intern->initialized = true;
	+
	+ return true;
	+} /* }}} */
	+
	+static HashTable* php_phongo_utcdatetime_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_utcdatetime_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_UTCDATETIME(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	+
	+ if (!intern->initialized) {
	+ return props;
	+ }
	+
	+ {
	+ zval milliseconds;
	+
	+ ZVAL_INT64_STRING(&milliseconds, intern->milliseconds);
	+ zend_hash_str_update(props, "milliseconds", sizeof("milliseconds") - 1, &milliseconds);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\UTCDateTime::__construct([int\|float\|string\|DateTimeInterface $milliseconds = null])
	+ Construct a new BSON UTCDateTime type from either the current time,
	+ milliseconds since the epoch, or a DateTimeInterface object. Defaults to the
	+ current time. */
	+static PHP_METHOD(UTCDateTime, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+ zval* milliseconds = NULL;
	+
	+ intern = Z_UTCDATETIME_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|z!", &milliseconds) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (milliseconds == NULL) {
	+ php_phongo_utcdatetime_init_from_current_time(intern);
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(milliseconds) == IS_OBJECT) {
	+ if (instanceof_function(Z_OBJCE_P(milliseconds), php_date_get_date_ce()) \|\|
	+ (php_phongo_date_immutable_ce && instanceof_function(Z_OBJCE_P(milliseconds), php_phongo_date_immutable_ce))) {
	+
	+ php_phongo_utcdatetime_init_from_date(intern, Z_PHPDATE_P(milliseconds));
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected instance of DateTimeInterface, %s given", ZSTR_VAL(Z_OBJCE_P(milliseconds)->name));
	+ }
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(milliseconds) == IS_LONG) {
	+ php_phongo_utcdatetime_init(intern, Z_LVAL_P(milliseconds));
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(milliseconds) == IS_DOUBLE) {
	+ char tmp[24];
	+ int tmp_len;
	+
	+ tmp_len = snprintf(tmp, sizeof(tmp), "%.0f", Z_DVAL_P(milliseconds) > 0 ? floor(Z_DVAL_P(milliseconds)) : ceil(Z_DVAL_P(milliseconds)));
	+
	+ php_phongo_utcdatetime_init_from_string(intern, tmp, tmp_len);
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(milliseconds) != IS_STRING) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(milliseconds));
	+ return;
	+ }
	+
	+ php_phongo_utcdatetime_init_from_string(intern, Z_STRVAL_P(milliseconds), Z_STRLEN_P(milliseconds));
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\UTCDateTime MongoDB\BSON\UTCDateTime::__set_state(array $properties)
	+*/
	+static PHP_METHOD(UTCDateTime, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_utcdatetime_ce);
	+
	+ intern = Z_UTCDATETIME_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_utcdatetime_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\UTCDateTime::__toString()
	+ Returns the UTCDateTime's milliseconds as a string */
	+static PHP_METHOD(UTCDateTime, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+
	+ intern = Z_UTCDATETIME_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ ZVAL_INT64_STRING(return_value, intern->milliseconds);
	+} /* }}} */
	+
	+/* {{{ proto DateTime MongoDB\BSON\UTCDateTime::toDateTime()
	+ Returns a DateTime object representing this UTCDateTime */
	+static PHP_METHOD(UTCDateTime, toDateTime)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+ php_date_obj* datetime_obj;
	+ char* sec;
	+ size_t sec_len;
	+
	+ intern = Z_UTCDATETIME_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_date_get_date_ce());
	+ datetime_obj = Z_PHPDATE_P(return_value);
	+
	+ sec_len = spprintf(&sec, 0, "@%" PRId64, intern->milliseconds / 1000);
	+ php_date_initialize(datetime_obj, sec, sec_len, NULL, NULL, 0);
	+ efree(sec);
	+
	+ datetime_obj->time->us = (intern->milliseconds % 1000) * 1000;
	+}
	+/* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\UTCDateTime::jsonSerialize()
	+*/
	+static PHP_METHOD(UTCDateTime, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_UTCDATETIME_OBJ_P(getThis());
	+
	+ array_init_size(return_value, 1);
	+
	+ {
	+ zval udt;
	+
	+ array_init_size(&udt, 1);
	+ ADD_ASSOC_INT64_AS_STRING(&udt, "$numberLong", intern->milliseconds);
	+ ADD_ASSOC_ZVAL_EX(return_value, "$date", &udt);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\UTCDateTime::serialize()
	+*/
	+static PHP_METHOD(UTCDateTime, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_UTCDATETIME_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_INT64_AS_STRING(&retval, "milliseconds", intern->milliseconds);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\UTCDateTime::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(UTCDateTime, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_utcdatetime_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_UTCDATETIME_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_utcdatetime_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_utcdatetime_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\UTCDateTime::__serialize()
	+*/
	+static PHP_METHOD(UTCDateTime, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_utcdatetime_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\UTCDateTime::__unserialize(array $data)
	+*/
	+static PHP_METHOD(UTCDateTime, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_utcdatetime_init_from_hash(Z_UTCDATETIME_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\UTCDateTime function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime___construct, 0, 0, 0)
	+ ZEND_ARG_INFO(0, milliseconds)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_UTCDateTime___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_UTCDateTime_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTime_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_utcdatetime_me[] = {
	+ PHP_ME(UTCDateTime, __construct, ai_UTCDateTime___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, __serialize, ai_UTCDateTime_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, __set_state, ai_UTCDateTime___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(UTCDateTime, __toString, ai_UTCDateTime___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, __unserialize, ai_UTCDateTime___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, jsonSerialize, ai_UTCDateTime_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, serialize, ai_UTCDateTime_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, unserialize, ai_UTCDateTime_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(UTCDateTime, toDateTime, ai_UTCDateTime_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\UTCDateTime object handlers */
	+static zend_object_handlers php_phongo_handler_utcdatetime;
	+
	+static void php_phongo_utcdatetime_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_utcdatetime_t* intern = Z_OBJ_UTCDATETIME(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_utcdatetime_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_utcdatetime_t* intern = zend_object_alloc(sizeof(php_phongo_utcdatetime_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_utcdatetime;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static zend_object* php_phongo_utcdatetime_clone_object(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ php_phongo_utcdatetime_t* intern;
	+ php_phongo_utcdatetime_t* new_intern;
	+ zend_object* new_object;
	+
	+ intern = Z_OBJ_UTCDATETIME(PHONGO_COMPAT_GET_OBJ(object));
	+ new_object = php_phongo_utcdatetime_create_object(PHONGO_COMPAT_GET_OBJ(object)->ce);
	+
	+ new_intern = Z_OBJ_UTCDATETIME(new_object);
	+ zend_objects_clone_members(&new_intern->std, &intern->std);
	+
	+ php_phongo_utcdatetime_init(new_intern, intern->milliseconds);
	+
	+ return new_object;
	+} /* }}} */
	+
	+static int php_phongo_utcdatetime_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_utcdatetime_t intern1, intern2;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_UTCDATETIME_OBJ_P(o1);
	+ intern2 = Z_UTCDATETIME_OBJ_P(o2);
	+
	+ if (intern1->milliseconds != intern2->milliseconds) {
	+ return intern1->milliseconds < intern2->milliseconds ? -1 : 1;
	+ }
	+
	+ return 0;
	+} /* }}} */
	+
	+static HashTable* php_phongo_utcdatetime_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_utcdatetime_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_utcdatetime_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_utcdatetime_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_utcdatetime_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "UTCDateTime", php_phongo_utcdatetime_me);
	+ php_phongo_utcdatetime_ce = zend_register_internal_class(&ce);
	+ php_phongo_utcdatetime_ce->create_object = php_phongo_utcdatetime_create_object;
	+ PHONGO_CE_FINAL(php_phongo_utcdatetime_ce);
	+
	+ zend_class_implements(php_phongo_utcdatetime_ce, 1, php_phongo_utcdatetime_interface_ce);
	+ zend_class_implements(php_phongo_utcdatetime_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_utcdatetime_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_utcdatetime_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_utcdatetime_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_utcdatetime, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(utcdatetime);
	+ php_phongo_handler_utcdatetime.clone_obj = php_phongo_utcdatetime_clone_object;
	+ php_phongo_handler_utcdatetime.get_debug_info = php_phongo_utcdatetime_get_debug_info;
	+ php_phongo_handler_utcdatetime.get_properties = php_phongo_utcdatetime_get_properties;
	+ php_phongo_handler_utcdatetime.free_obj = php_phongo_utcdatetime_free_object;
	+ php_phongo_handler_utcdatetime.offset = XtOffsetOf(php_phongo_utcdatetime_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/UTCDateTimeInterface.c b/mongodb-1.13.0/src/BSON/UTCDateTimeInterface.c
	new file mode 100644
	index 00000000..7c5e8947
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/UTCDateTimeInterface.c
	@@ -0,0 +1,45 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_utcdatetime_interface_ce;
	+
	+/* {{{ MongoDB\BSON\UTCDateTimeInterface function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_UTCDateTimeInterface___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_UTCDateTimeInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_utcdatetime_interface_me[] = {
	+ ZEND_ABSTRACT_ME(UTCDateTimeInterface, toDateTime, ai_UTCDateTimeInterface_void)
	+ ZEND_ABSTRACT_ME(UTCDateTimeInterface, __toString, ai_UTCDateTimeInterface___toString)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+void php_phongo_utcdatetime_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "UTCDateTimeInterface", php_phongo_utcdatetime_interface_me);
	+ php_phongo_utcdatetime_interface_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Undefined.c b/mongodb-1.13.0/src/BSON/Undefined.c
	new file mode 100644
	index 00000000..5244e500
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Undefined.c
	@@ -0,0 +1,190 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_undefined_ce;
	+
	+/* {{{ proto string MongoDB\BSON\Undefined::__toString()
	+ Return the empty string. */
	+static PHP_METHOD(Undefined, __toString)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRINGL("", 0);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\BSON\Undefined::jsonSerialize()
	+*/
	+static PHP_METHOD(Undefined, jsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init_size(return_value, 1);
	+ ADD_ASSOC_BOOL_EX(return_value, "$undefined", 1);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\Undefined::serialize()
	+*/
	+static PHP_METHOD(Undefined, serialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRING("");
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\BSON\Undefined::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(Undefined, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ char* serialized;
	+ size_t serialized_len;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Undefined::__serialize()
	+*/
	+static PHP_METHOD(Undefined, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ array_init_size(return_value, 0);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Undefined::__unserialize(array $data)
	+*/
	+static PHP_METHOD(Undefined, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+} /* }}} */
	+
	+/* {{{ MongoDB\BSON\Undefined function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_Undefined___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Undefined___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Undefined_jsonSerialize, 0, 0, IS_ARRAY, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Undefined_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Undefined_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_undefined_me[] = {
	+ /* __set_state intentionally missing */
	+ PHP_ME(Undefined, __serialize, ai_Undefined_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Undefined, __toString, ai_Undefined___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Undefined, __unserialize, ai_Undefined___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Undefined, jsonSerialize, ai_Undefined_jsonSerialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Undefined, serialize, ai_Undefined_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Undefined, unserialize, ai_Undefined_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Undefined_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\BSON\Undefined object handlers */
	+static zend_object_handlers php_phongo_handler_undefined;
	+
	+static void php_phongo_undefined_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_undefined_t* intern = Z_OBJ_UNDEFINED(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_undefined_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_undefined_t* intern = zend_object_alloc(sizeof(php_phongo_undefined_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_undefined;
	+
	+ return &intern->std;
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_undefined_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Undefined", php_phongo_undefined_me);
	+ php_phongo_undefined_ce = zend_register_internal_class(&ce);
	+ php_phongo_undefined_ce->create_object = php_phongo_undefined_create_object;
	+ PHONGO_CE_FINAL(php_phongo_undefined_ce);
	+
	+ zend_class_implements(php_phongo_undefined_ce, 1, php_phongo_json_serializable_ce);
	+ zend_class_implements(php_phongo_undefined_ce, 1, php_phongo_type_ce);
	+ zend_class_implements(php_phongo_undefined_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_undefined_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_undefined, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ /* Re-assign default handler previously removed in php_phongo.c */
	+ php_phongo_handler_undefined.clone_obj = zend_objects_clone_obj;
	+ php_phongo_handler_undefined.free_obj = php_phongo_undefined_free_object;
	+ php_phongo_handler_undefined.offset = XtOffsetOf(php_phongo_undefined_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/Unserializable.c b/mongodb-1.13.0/src/BSON/Unserializable.c
	new file mode 100644
	index 00000000..62eb49c2
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/Unserializable.c
	@@ -0,0 +1,42 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_unserializable_ce;
	+
	+/* {{{ MongoDB\BSON\Unserializable function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Unserializable_bsonUnserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_unserializable_me[] = {
	+ /* clang-format off */
	+ ZEND_ABSTRACT_ME(Unserializable, bsonUnserialize, ai_Unserializable_bsonUnserialize)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_unserializable_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\BSON", "Unserializable", php_phongo_unserializable_me);
	+ php_phongo_unserializable_ce = zend_register_internal_interface(&ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/functions.c b/mongodb-1.13.0/src/BSON/functions.c
	new file mode 100644
	index 00000000..0f8a50a8
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/functions.c
	@@ -0,0 +1,182 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+typedef enum {
	+ PHONGO_JSON_MODE_LEGACY,
	+ PHONGO_JSON_MODE_CANONICAL,
	+ PHONGO_JSON_MODE_RELAXED,
	+} php_phongo_json_mode_t;
	+
	+/* {{{ proto string MongoDB\BSON\fromPHP(array\|object $value)
	+ Returns the BSON representation of a PHP value */
	+PHP_FUNCTION(MongoDB_BSON_fromPHP)
	+{
	+ zend_error_handling error_handling;
	+ zval* data;
	+ bson_t* bson;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "A", &data) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ bson = bson_new();
	+ php_phongo_zval_to_bson(data, PHONGO_BSON_NONE, bson, NULL);
	+
	+ RETVAL_STRINGL((const char*) bson_get_data(bson), bson->len);
	+ bson_destroy(bson);
	+} /* }}} */
	+
	+/* {{{ proto array\|object MongoDB\BSON\toPHP(string $bson [, array $typemap = array()])
	+ Returns the PHP representation of a BSON value, optionally converting it into a custom class */
	+PHP_FUNCTION(MongoDB_BSON_toPHP)
	+{
	+ zend_error_handling error_handling;
	+ char* data;
	+ size_t data_len;
	+ zval* typemap = NULL;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|a!", &data, &data_len, &typemap) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!php_phongo_bson_typemap_to_state(typemap, &state.map)) {
	+ return;
	+ }
	+
	+ if (!php_phongo_bson_to_zval_ex((const unsigned char*) data, data_len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ php_phongo_bson_typemap_dtor(&state.map);
	+ RETURN_NULL();
	+ }
	+
	+ php_phongo_bson_typemap_dtor(&state.map);
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\fromJSON(string $json)
	+ Returns the BSON representation of a JSON value */
	+PHP_FUNCTION(MongoDB_BSON_fromJSON)
	+{
	+ zend_error_handling error_handling;
	+ char* json;
	+ size_t json_len;
	+ bson_t bson = BSON_INITIALIZER;
	+ bson_error_t error = { 0 };
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &json, &json_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (bson_init_from_json(&bson, (const char*) json, json_len, &error)) {
	+ RETVAL_STRINGL((const char*) bson_get_data(&bson), bson.len);
	+ bson_destroy(&bson);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s", error.domain == BSON_ERROR_JSON ? error.message : "Error parsing JSON");
	+ }
	+} /* }}} */
	+
	+static void phongo_bson_to_json(INTERNAL_FUNCTION_PARAMETERS, php_phongo_json_mode_t mode)
	+{
	+ zend_error_handling error_handling;
	+ char* data;
	+ size_t data_len;
	+ const bson_t* bson;
	+ bool eof = false;
	+ bson_reader_t* reader;
	+ char* json = NULL;
	+ size_t json_len;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &data, &data_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ reader = bson_reader_new_from_data((const unsigned char*) data, data_len);
	+ bson = bson_reader_read(reader, NULL);
	+
	+ if (!bson) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not read document from BSON reader");
	+ bson_reader_destroy(reader);
	+ return;
	+ }
	+
	+ if (mode == PHONGO_JSON_MODE_LEGACY) {
	+ json = bson_as_json(bson, &json_len);
	+ } else if (mode == PHONGO_JSON_MODE_CANONICAL) {
	+ json = bson_as_canonical_extended_json(bson, &json_len);
	+ } else if (mode == PHONGO_JSON_MODE_RELAXED) {
	+ json = bson_as_relaxed_extended_json(bson, &json_len);
	+ }
	+
	+ if (!json) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not convert BSON document to a JSON string");
	+ bson_reader_destroy(reader);
	+ return;
	+ }
	+
	+ RETVAL_STRINGL(json, json_len);
	+ bson_free(json);
	+
	+ if (bson_reader_read(reader, &eof) \|\| !eof) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Reading document did not exhaust input buffer");
	+ }
	+
	+ bson_reader_destroy(reader);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\toJSON(string $bson)
	+ Returns the legacy extended JSON representation of a BSON value */
	+PHP_FUNCTION(MongoDB_BSON_toJSON)
	+{
	+ phongo_bson_to_json(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHONGO_JSON_MODE_LEGACY);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\toCanonicalExtendedJSON(string $bson)
	+ Returns the canonical extended JSON representation of a BSON value */
	+PHP_FUNCTION(MongoDB_BSON_toCanonicalExtendedJSON)
	+{
	+ phongo_bson_to_json(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHONGO_JSON_MODE_CANONICAL);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\BSON\toRelaxedExtendedJSON(string $bson)
	+ Returns the relaxed extended JSON representation of a BSON value */
	+PHP_FUNCTION(MongoDB_BSON_toRelaxedExtendedJSON)
	+{
	+ phongo_bson_to_json(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHONGO_JSON_MODE_RELAXED);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/BSON/functions.h b/mongodb-1.13.0/src/BSON/functions.h
	new file mode 100644
	index 00000000..83f2b5d7
	--- /dev/null
	+++ b/mongodb-1.13.0/src/BSON/functions.h
	@@ -0,0 +1,30 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_BSON_FUNCTIONS_H
	+#define PHONGO_BSON_FUNCTIONS_H
	+
	+#include <php.h>
	+
	+PHP_FUNCTION(MongoDB_BSON_fromPHP);
	+PHP_FUNCTION(MongoDB_BSON_toPHP);
	+
	+PHP_FUNCTION(MongoDB_BSON_fromJSON);
	+PHP_FUNCTION(MongoDB_BSON_toJSON);
	+PHP_FUNCTION(MongoDB_BSON_toCanonicalExtendedJSON);
	+PHP_FUNCTION(MongoDB_BSON_toRelaxedExtendedJSON);
	+
	+#endif /* PHONGO_BSON_FUNCTIONS_H */
	diff --git a/mongodb-1.13.0/src/LIBMONGOCRYPT_VERSION_CURRENT b/mongodb-1.13.0/src/LIBMONGOCRYPT_VERSION_CURRENT
	new file mode 100644
	index 00000000..1892b926
	--- /dev/null
	+++ b/mongodb-1.13.0/src/LIBMONGOCRYPT_VERSION_CURRENT
	@@ -0,0 +1 @@
	+1.3.2
	diff --git a/mongodb-1.13.0/src/LIBMONGOC_VERSION_CURRENT b/mongodb-1.13.0/src/LIBMONGOC_VERSION_CURRENT
	new file mode 100644
	index 00000000..28449774
	--- /dev/null
	+++ b/mongodb-1.13.0/src/LIBMONGOC_VERSION_CURRENT
	@@ -0,0 +1 @@
	+1.21.1
	diff --git a/mongodb-1.13.0/src/MongoDB/BulkWrite.c b/mongodb-1.13.0/src/MongoDB/BulkWrite.c
	new file mode 100644
	index 00000000..7dc20ea8
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/BulkWrite.c
	@@ -0,0 +1,675 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/WriteConcern.h"
	+
	+#define PHONGO_BULKWRITE_BYPASS_UNSET -1
	+
	+zend_class_entry* php_phongo_bulkwrite_ce;
	+
	+/* Extracts the "_id" field of a BSON document into a return value. */
	+static void php_phongo_bulkwrite_extract_id(bson_t* doc, zval** return_value) /* {{{ */
	+{
	+ zval* id = NULL;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+ state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &state)) {
	+ goto cleanup;
	+ }
	+
	+ id = php_array_fetchc(&state.zchild, "_id");
	+
	+ if (id) {
	+ ZVAL_ZVAL(*return_value, id, 1, 0);
	+ }
	+
	+cleanup:
	+ zval_ptr_dtor(&state.zchild);
	+} /* }}} */
	+
	+/* Returns whether any top-level field names in the document contain a "$". */
	+static inline bool php_phongo_bulkwrite_update_has_operators(bson_t* bupdate) /* {{{ */
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_iter_init(&iter, bupdate)) {
	+ while (bson_iter_next(&iter)) {
	+ if (strchr(bson_iter_key(&iter), '$')) {
	+ return true;
	+ }
	+ }
	+ }
	+
	+ return false;
	+} /* }}} */
	+
	+/* Returns whether the update document is considered an aggregation pipeline */
	+static inline bool php_phongo_bulkwrite_update_is_pipeline(bson_t* bupdate) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+ const char* key;
	+ int i = 0;
	+ char* i_str;
	+
	+ if (!bson_iter_init(&iter, bupdate)) {
	+ return false;
	+ }
	+
	+ while (bson_iter_next(&iter)) {
	+ key = bson_iter_key(&iter);
	+ i_str = bson_strdup_printf("%d", i++);
	+
	+ if (strcmp(key, i_str)) {
	+ bson_free(i_str);
	+ return false;
	+ }
	+
	+ bson_free(i_str);
	+
	+ if (BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ if (!bson_iter_recurse(&iter, &child)) {
	+ return false;
	+ }
	+ if (!bson_iter_next(&child)) {
	+ return false;
	+ }
	+ key = bson_iter_key(&child);
	+ if (key[0] != '$') {
	+ return false;
	+ }
	+ } else {
	+ return false;
	+ }
	+ }
	+
	+ /* should return false when the document is empty */
	+ return i != 0;
	+} /* }}} */
	+
	+/* Returns whether the BSON array's keys are a sequence of integer strings
	+ * starting with "0". BSON_APPEND_ARRAY considers it the caller's responsibility
	+ * to ensure that the array's keys are properly formatted. */
	+static inline bool php_phongo_bulkwrite_bson_array_has_valid_keys(bson_t* array) /* {{{ */
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_empty(array)) {
	+ return true;
	+ }
	+
	+ if (bson_iter_init(&iter, array)) {
	+ char key[12];
	+ int count = 0;
	+
	+ while (bson_iter_next(&iter)) {
	+ bson_snprintf(key, sizeof(key), "%d", count);
	+
	+ if (0 != strcmp(key, bson_iter_key(&iter))) {
	+ return false;
	+ }
	+
	+ count++;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Appends an array field for the given opts document and key. Returns true on
	+ * success; otherwise, false is returned and an exception is thrown. */
	+static bool php_phongo_bulkwrite_opts_append_array(bson_t* opts, const char* key, zval* zarr) /* {{{ */
	+{
	+ zval* value = php_array_fetch(zarr, key);
	+ bson_t b = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" option to be array or object, %s given", key, zend_get_type_by_const(Z_TYPE_P(value)));
	+ return false;
	+ }
	+
	+ php_phongo_zval_to_bson(value, PHONGO_BSON_NONE, &b, NULL);
	+
	+ if (EG(exception)) {
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ if (!php_phongo_bulkwrite_bson_array_has_valid_keys(&b)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"%s\" option has invalid keys for a BSON array", key);
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ if (!BSON_APPEND_ARRAY(opts, key, &b)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", key);
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ bson_destroy(&b);
	+ return true;
	+} /* }}} */
	+
	+/* Appends a document field for the given opts document and key. Returns true on
	+ * success; otherwise, false is returned and an exception is thrown. */
	+static bool php_phongo_bulkwrite_opts_append_document(bson_t* opts, const char* key, zval* zarr) /* {{{ */
	+{
	+ zval* value = php_array_fetch(zarr, key);
	+ bson_t b = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" option to be array or object, %s given", key, zend_get_type_by_const(Z_TYPE_P(value)));
	+ return false;
	+ }
	+
	+ php_phongo_zval_to_bson(value, PHONGO_BSON_NONE, &b, NULL);
	+
	+ if (EG(exception)) {
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ if (!BSON_APPEND_DOCUMENT(opts, key, &b)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", key);
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ bson_destroy(&b);
	+ return true;
	+} /* }}} */
	+
	+#define PHONGO_BULKWRITE_APPEND_BOOL(opt, value) \
	+ if (!BSON_APPEND_BOOL(boptions, (opt), (value))) { \
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	+ return false; \
	+ }
	+
	+#define PHONGO_BULKWRITE_APPEND_INT32(opt, value) \
	+ if (!BSON_APPEND_INT32(boptions, (opt), (value))) { \
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	+ return false; \
	+ }
	+
	+#define PHONGO_BULKWRITE_OPT_ARRAY(opt) \
	+ if (zoptions && php_array_existsc(zoptions, (opt))) { \
	+ if (!php_phongo_bulkwrite_opts_append_array(boptions, (opt), zoptions)) { \
	+ return false; \
	+ } \
	+ }
	+
	+#define PHONGO_BULKWRITE_OPT_DOCUMENT(opt) \
	+ if (zoptions && php_array_existsc(zoptions, (opt))) { \
	+ if (!php_phongo_bulkwrite_opts_append_document(boptions, (opt), zoptions)) { \
	+ return false; \
	+ } \
	+ }
	+
	+/* Initialize the "hint" option. Returns true on success; otherwise, false is
	+ * returned and an exception is thrown.
	+ *
	+ * The "hint" option must be a string or document. Check for both types and
	+ * merge into BSON options accordingly. */
	+static bool php_phongo_bulkwrite_opt_hint(bson_t* boptions, zval* zoptions) /* {{{ */
	+{
	+ /* The "hint" option (or "$hint" modifier) must be a string or document.
	+ * Check for both types and merge into BSON options accordingly. */
	+ if (zoptions && php_array_existsc(zoptions, "hint")) {
	+ zend_uchar type = Z_TYPE_P(php_array_fetchc(zoptions, "hint"));
	+
	+ if (type == IS_STRING) {
	+ zval* value = php_array_fetchc(zoptions, "hint");
	+
	+ if (!bson_append_utf8(boptions, "hint", 4, Z_STRVAL_P(value), Z_STRLEN_P(value))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"hint\" option");
	+ return false;
	+ }
	+ } else if (type == IS_OBJECT \|\| type == IS_ARRAY) {
	+ PHONGO_BULKWRITE_OPT_DOCUMENT("hint");
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"hint\" option to be string, array, or object, %s given", zend_get_type_by_const(type));
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Applies options (including defaults) for an update operation. */
	+static bool php_phongo_bulkwrite_update_apply_options(bson_t* boptions, zval* zoptions) /* {{{ */
	+{
	+ bool multi = false, upsert = false;
	+
	+ if (zoptions) {
	+ multi = php_array_fetchc_bool(zoptions, "multi");
	+ upsert = php_array_fetchc_bool(zoptions, "upsert");
	+ }
	+
	+ PHONGO_BULKWRITE_APPEND_BOOL("multi", multi);
	+ PHONGO_BULKWRITE_APPEND_BOOL("upsert", upsert);
	+ PHONGO_BULKWRITE_OPT_ARRAY("arrayFilters");
	+ PHONGO_BULKWRITE_OPT_DOCUMENT("collation");
	+
	+ if (!php_phongo_bulkwrite_opt_hint(boptions, zoptions)) {
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Applies options (including defaults) for an delete operation. */
	+static bool php_phongo_bulkwrite_delete_apply_options(bson_t* boptions, zval* zoptions) /* {{{ */
	+{
	+ int32_t limit = 0;
	+
	+ if (zoptions) {
	+ limit = php_array_fetchc_bool(zoptions, "limit") ? 1 : 0;
	+ }
	+
	+ PHONGO_BULKWRITE_APPEND_INT32("limit", limit);
	+ PHONGO_BULKWRITE_OPT_DOCUMENT("collation");
	+
	+ if (!php_phongo_bulkwrite_opt_hint(boptions, zoptions)) {
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+#undef PHONGO_BULKWRITE_APPEND_BOOL
	+#undef PHONGO_BULKWRITE_APPEND_INT32
	+#undef PHONGO_BULKWRITE_OPT_DOCUMENT
	+
	+/* {{{ proto void MongoDB\Driver\BulkWrite::__construct([array $options = array()])
	+ Constructs a new BulkWrite */
	+static PHP_METHOD(BulkWrite, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_bulkwrite_t* intern;
	+ zval* options = NULL;
	+ zend_bool ordered = 1;
	+
	+ intern = Z_BULKWRITE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|a!", &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (options && php_array_existsc(options, "ordered")) {
	+ ordered = php_array_fetchc_bool(options, "ordered");
	+ }
	+
	+ intern->bulk = mongoc_bulk_operation_new(ordered);
	+ intern->ordered = ordered;
	+ intern->bypass = PHONGO_BULKWRITE_BYPASS_UNSET;
	+ intern->num_ops = 0;
	+ intern->executed = false;
	+
	+ if (options && php_array_existsc(options, "bypassDocumentValidation")) {
	+ zend_bool bypass = php_array_fetchc_bool(options, "bypassDocumentValidation");
	+ mongoc_bulk_operation_set_bypass_document_validation(intern->bulk, bypass);
	+ intern->bypass = bypass;
	+ }
	+} /* }}} */
	+
	+/* {{{ proto mixed MongoDB\Driver\BulkWrite::insert(array\|object $document)
	+ Adds an insert operation to the BulkWrite */
	+static PHP_METHOD(BulkWrite, insert)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_bulkwrite_t* intern;
	+ zval* zdocument;
	+ bson_t bdocument = BSON_INITIALIZER, boptions = BSON_INITIALIZER;
	+ bson_t* bson_out = NULL;
	+ int bson_flags = PHONGO_BSON_ADD_ID;
	+ bson_error_t error = { 0 };
	+
	+ intern = Z_BULKWRITE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "A", &zdocument) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ bson_flags \|= PHONGO_BSON_RETURN_ID;
	+
	+ php_phongo_zval_to_bson(zdocument, bson_flags, &bdocument, &bson_out);
	+
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ if (!mongoc_bulk_operation_insert_with_opts(intern->bulk, &bdocument, &boptions, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+
	+ intern->num_ops++;
	+
	+ if (!bson_out) {
	+ phongo_throw_exception(PHONGO_ERROR_LOGIC, "Did not receive result from bulk write. Please file a bug report.");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_bulkwrite_extract_id(bson_out, &return_value);
	+
	+cleanup:
	+ bson_destroy(&bdocument);
	+ bson_destroy(&boptions);
	+ bson_clear(&bson_out);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\BulkWrite::update(array\|object $query, array\|object $newObj[, array $updateOptions = array()])
	+ Adds an update operation to the BulkWrite */
	+static PHP_METHOD(BulkWrite, update)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_bulkwrite_t* intern;
	+ zval * zquery, zupdate, zoptions = NULL;
	+ bson_t bquery = BSON_INITIALIZER, bupdate = BSON_INITIALIZER, boptions = BSON_INITIALIZER;
	+ bson_error_t error = { 0 };
	+
	+ intern = Z_BULKWRITE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "AA\|a!", &zquery, &zupdate, &zoptions) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_zval_to_bson(zquery, PHONGO_BSON_NONE, &bquery, NULL);
	+
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(zupdate, PHONGO_BSON_NONE, &bupdate, NULL);
	+
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_bulkwrite_update_apply_options(&boptions, zoptions)) {
	+ goto cleanup;
	+ }
	+
	+ if (php_phongo_bulkwrite_update_has_operators(&bupdate) \|\| php_phongo_bulkwrite_update_is_pipeline(&bupdate)) {
	+ if (zoptions && php_array_fetchc_bool(zoptions, "multi")) {
	+ if (!mongoc_bulk_operation_update_many_with_opts(intern->bulk, &bquery, &bupdate, &boptions, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+ } else {
	+ if (!mongoc_bulk_operation_update_one_with_opts(intern->bulk, &bquery, &bupdate, &boptions, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+ }
	+ } else {
	+ if (zoptions && php_array_fetchc_bool(zoptions, "multi")) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Replacement document conflicts with true \"multi\" option");
	+ goto cleanup;
	+ }
	+
	+ if (!mongoc_bulk_operation_replace_one_with_opts(intern->bulk, &bquery, &bupdate, &boptions, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+ }
	+
	+ intern->num_ops++;
	+
	+cleanup:
	+ bson_destroy(&bquery);
	+ bson_destroy(&bupdate);
	+ bson_destroy(&boptions);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\BulkWrite::delete(array\|object $query[, array $deleteOptions = array()])
	+ Adds a delete operation to the BulkWrite */
	+static PHP_METHOD(BulkWrite, delete)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_bulkwrite_t* intern;
	+ zval * zquery, *zoptions = NULL;
	+ bson_t bquery = BSON_INITIALIZER, boptions = BSON_INITIALIZER;
	+ bson_error_t error = { 0 };
	+
	+ intern = Z_BULKWRITE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "A\|a!", &zquery, &zoptions) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_zval_to_bson(zquery, PHONGO_BSON_NONE, &bquery, NULL);
	+
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_bulkwrite_delete_apply_options(&boptions, zoptions)) {
	+ goto cleanup;
	+ }
	+
	+ if (zoptions && php_array_fetchc_bool(zoptions, "limit")) {
	+ if (!mongoc_bulk_operation_remove_one_with_opts(intern->bulk, &bquery, &boptions, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+ } else {
	+ if (!mongoc_bulk_operation_remove_many_with_opts(intern->bulk, &bquery, &boptions, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+ }
	+
	+ intern->num_ops++;
	+
	+cleanup:
	+ bson_destroy(&bquery);
	+ bson_destroy(&boptions);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\BulkWrite::count()
	+ Returns the number of operations that have been added to the BulkWrite */
	+static PHP_METHOD(BulkWrite, count)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_bulkwrite_t* intern;
	+
	+ intern = Z_BULKWRITE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->num_ops);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\BulkWrite function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite___construct, 0, 0, 0)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_BulkWrite_count, 0, 0, IS_LONG, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_insert, 0, 0, 1)
	+ ZEND_ARG_INFO(0, document)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_update, 0, 0, 2)
	+ ZEND_ARG_INFO(0, query)
	+ ZEND_ARG_INFO(0, newObj)
	+ ZEND_ARG_ARRAY_INFO(0, updateOptions, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_delete, 0, 0, 1)
	+ ZEND_ARG_INFO(0, query)
	+ ZEND_ARG_ARRAY_INFO(0, deleteOptions, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_BulkWrite_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_bulkwrite_me[] = {
	+ PHP_ME(BulkWrite, __construct, ai_BulkWrite___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(BulkWrite, insert, ai_BulkWrite_insert, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(BulkWrite, update, ai_BulkWrite_update, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(BulkWrite, delete, ai_BulkWrite_delete, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(BulkWrite, count, ai_BulkWrite_count, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_BulkWrite_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\BulkWrite object handlers */
	+static zend_object_handlers php_phongo_handler_bulkwrite;
	+
	+static void php_phongo_bulkwrite_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_bulkwrite_t* intern = Z_OBJ_BULKWRITE(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->bulk) {
	+ mongoc_bulk_operation_destroy(intern->bulk);
	+ }
	+
	+ if (intern->database) {
	+ efree(intern->database);
	+ }
	+
	+ if (intern->collection) {
	+ efree(intern->collection);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->session)) {
	+ zval_ptr_dtor(&intern->session);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_bulkwrite_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_bulkwrite_t* intern = zend_object_alloc(sizeof(php_phongo_bulkwrite_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_bulkwrite;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_bulkwrite_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ zval retval = ZVAL_STATIC_INIT;
	+ php_phongo_bulkwrite_t* intern = NULL;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_BULKWRITE(PHONGO_COMPAT_GET_OBJ(object));
	+ array_init(&retval);
	+
	+ if (intern->database) {
	+ ADD_ASSOC_STRING(&retval, "database", intern->database);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "database");
	+ }
	+
	+ if (intern->collection) {
	+ ADD_ASSOC_STRING(&retval, "collection", intern->collection);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "collection");
	+ }
	+
	+ ADD_ASSOC_BOOL_EX(&retval, "ordered", intern->ordered);
	+
	+ if (intern->bypass != PHONGO_BULKWRITE_BYPASS_UNSET) {
	+ ADD_ASSOC_BOOL_EX(&retval, "bypassDocumentValidation", intern->bypass);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "bypassDocumentValidation");
	+ }
	+
	+ ADD_ASSOC_BOOL_EX(&retval, "executed", intern->executed);
	+ ADD_ASSOC_LONG_EX(&retval, "server_id", mongoc_bulk_operation_get_hint(intern->bulk));
	+
	+ if (!Z_ISUNDEF(intern->session)) {
	+ ADD_ASSOC_ZVAL_EX(&retval, "session", &intern->session);
	+ Z_ADDREF(intern->session);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "session");
	+ }
	+
	+ if (mongoc_bulk_operation_get_write_concern(intern->bulk)) {
	+ zval write_concern;
	+
	+ php_phongo_write_concern_to_zval(&write_concern, mongoc_bulk_operation_get_write_concern(intern->bulk));
	+ ADD_ASSOC_ZVAL_EX(&retval, "write_concern", &write_concern);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "write_concern");
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_bulkwrite_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "BulkWrite", php_phongo_bulkwrite_me);
	+ php_phongo_bulkwrite_ce = zend_register_internal_class(&ce);
	+ php_phongo_bulkwrite_ce->create_object = php_phongo_bulkwrite_create_object;
	+ PHONGO_CE_FINAL(php_phongo_bulkwrite_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_bulkwrite_ce);
	+
	+ memcpy(&php_phongo_handler_bulkwrite, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_bulkwrite.get_debug_info = php_phongo_bulkwrite_get_debug_info;
	+ php_phongo_handler_bulkwrite.free_obj = php_phongo_bulkwrite_free_object;
	+ php_phongo_handler_bulkwrite.offset = XtOffsetOf(php_phongo_bulkwrite_t, std);
	+
	+ zend_class_implements(php_phongo_bulkwrite_ce, 1, zend_ce_countable);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/ClientEncryption.c b/mongodb-1.13.0/src/MongoDB/ClientEncryption.c
	new file mode 100644
	index 00000000..792dead2
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ClientEncryption.c
	@@ -0,0 +1,581 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+zend_class_entry* php_phongo_clientencryption_ce;
	+
	+/* Forward declarations */
	+static void phongo_clientencryption_create_datakey(php_phongo_clientencryption_t* clientencryption, zval* return_value, char* kms_provider, zval* options);
	+static void phongo_clientencryption_encrypt(php_phongo_clientencryption_t* clientencryption, zval* zvalue, zval* zciphertext, zval* options);
	+static void phongo_clientencryption_decrypt(php_phongo_clientencryption_t* clientencryption, zval* zciphertext, zval* zvalue);
	+
	+/* {{{ proto MongoDB\BSON\Binary MongoDB\Driver\ClientEncryption::createDataKey(string $kmsProvider[, array $options])
	+ Creates a new key document and inserts into the key vault collection. */
	+static PHP_METHOD(ClientEncryption, createDataKey)
	+{
	+ char* kms_provider = NULL;
	+ size_t kms_provider_len = 0;
	+ zval* options = NULL;
	+ zend_error_handling error_handling;
	+ php_phongo_clientencryption_t* intern;
	+
	+ intern = Z_CLIENTENCRYPTION_OBJ_P(getThis());
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s\|a!", &kms_provider, &kms_provider_len, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_clientencryption_create_datakey(intern, return_value, kms_provider, options);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Binary MongoDB\Driver\ClientEncryption::encrypt(mixed $value[, array $options])
	+ Encrypts a value with a given key and algorithm */
	+static PHP_METHOD(ClientEncryption, encrypt)
	+{
	+ zval* value = NULL;
	+ zval* options = NULL;
	+ zend_error_handling error_handling;
	+ php_phongo_clientencryption_t* intern;
	+
	+ intern = Z_CLIENTENCRYPTION_OBJ_P(getThis());
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "z\|a!", &value, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_clientencryption_encrypt(intern, value, return_value, options);
	+} /* }}} */
	+
	+/* {{{ proto mixed MongoDB\Driver\ClientEncryption::decrypt(MongoDB\BSON\BinaryInterface $value)
	+ Decrypts an encrypted value (BSON binary of subtype 6). Returns the original BSON value */
	+static PHP_METHOD(ClientEncryption, decrypt)
	+{
	+ zval* ciphertext;
	+ zend_error_handling error_handling;
	+ php_phongo_clientencryption_t* intern;
	+
	+ intern = Z_CLIENTENCRYPTION_OBJ_P(getThis());
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &ciphertext, php_phongo_binary_interface_ce) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_clientencryption_decrypt(intern, ciphertext, return_value);
	+} /* }}} */
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_createDataKey, 0, 0, 1)
	+ ZEND_ARG_INFO(0, kmsProvider)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_encrypt, 0, 0, 1)
	+ ZEND_ARG_INFO(0, value)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_decrypt, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, keyVaultClient, MongoDB\\BSON\\BinaryInterface, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ClientEncryption_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_clientencryption_me[] = {
	+ /* clang-format off */
	+ PHP_ME(ClientEncryption, createDataKey, ai_ClientEncryption_createDataKey, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ClientEncryption, encrypt, ai_ClientEncryption_encrypt, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ClientEncryption, decrypt, ai_ClientEncryption_decrypt, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ClientEncryption_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ClientEncryption_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\ClientEncryption object handlers */
	+static zend_object_handlers php_phongo_handler_clientencryption;
	+
	+static void php_phongo_clientencryption_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_clientencryption_t* intern = Z_OBJ_CLIENTENCRYPTION(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->client_encryption) {
	+ mongoc_client_encryption_destroy(intern->client_encryption);
	+ }
	+
	+ /* Free the keyVaultClient last to ensure that a potential non-persistent
	+ * client outlives the mongoc_client_encryption_t as needed */
	+ if (!Z_ISUNDEF(intern->key_vault_client_manager)) {
	+ zval_ptr_dtor(&intern->key_vault_client_manager);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_clientencryption_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_clientencryption_t* intern = zend_object_alloc(sizeof(php_phongo_clientencryption_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_clientencryption;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_clientencryption_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_clientencryption_t* intern = NULL;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_CLIENTENCRYPTION(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init(&retval);
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_clientencryption_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ClientEncryption", php_phongo_clientencryption_me);
	+ php_phongo_clientencryption_ce = zend_register_internal_class(&ce);
	+ php_phongo_clientencryption_ce->create_object = php_phongo_clientencryption_create_object;
	+ PHONGO_CE_FINAL(php_phongo_clientencryption_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_clientencryption_ce);
	+
	+ memcpy(&php_phongo_handler_clientencryption, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_clientencryption.get_debug_info = php_phongo_clientencryption_get_debug_info;
	+ php_phongo_handler_clientencryption.free_obj = php_phongo_clientencryption_free_object;
	+ php_phongo_handler_clientencryption.offset = XtOffsetOf(php_phongo_clientencryption_t, std);
	+
	+ zend_declare_class_constant_string(php_phongo_clientencryption_ce, ZEND_STRL("AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC"), MONGOC_AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC);
	+ zend_declare_class_constant_string(php_phongo_clientencryption_ce, ZEND_STRL("AEAD_AES_256_CBC_HMAC_SHA_512_RANDOM"), MONGOC_AEAD_AES_256_CBC_HMAC_SHA_512_RANDOM);
	+} /* }}} */
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+/* keyVaultClientManager is an output parameter and will be assigned the
	+ * keyVaultNamespace Manager (if any). */
	+static mongoc_client_encryption_opts_t* phongo_clientencryption_opts_from_zval(zval* defaultKeyVaultClient, zval* options, zval** keyVaultClientManager) /* {{{ */
	+{
	+ mongoc_client_encryption_opts_t* opts;
	+
	+ opts = mongoc_client_encryption_opts_new();
	+ *keyVaultClientManager = NULL;
	+
	+ if (!options \|\| Z_TYPE_P(options) != IS_ARRAY) {
	+ /* Returning opts as-is will defer to mongoc_client_encryption_new to
	+ * raise an error for missing required options */
	+ return opts;
	+ }
	+
	+ if (php_array_existsc(options, "keyVaultClient")) {
	+ zval* key_vault_client = php_array_fetch(options, "keyVaultClient");
	+
	+ if (Z_TYPE_P(key_vault_client) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(key_vault_client), php_phongo_manager_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultClient\" encryption option to be %s, %s given", ZSTR_VAL(php_phongo_manager_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(key_vault_client));
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_encryption_opts_set_keyvault_client(opts, Z_MANAGER_OBJ_P(key_vault_client)->client);
	+ *keyVaultClientManager = key_vault_client;
	+ } else {
	+ mongoc_client_encryption_opts_set_keyvault_client(opts, Z_MANAGER_OBJ_P(defaultKeyVaultClient)->client);
	+ *keyVaultClientManager = defaultKeyVaultClient;
	+ }
	+
	+ if (php_array_existsc(options, "keyVaultNamespace")) {
	+ char* keyvault_namespace;
	+ char* db_name;
	+ char* coll_name;
	+ int plen;
	+ zend_bool pfree;
	+
	+ keyvault_namespace = php_array_fetchc_string(options, "keyVaultNamespace", &plen, &pfree);
	+
	+ if (!phongo_split_namespace(keyvault_namespace, &db_name, &coll_name)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultNamespace\" encryption option to contain a full collection name");
	+
	+ if (pfree) {
	+ efree(keyvault_namespace);
	+ }
	+
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_encryption_opts_set_keyvault_namespace(opts, db_name, coll_name);
	+ efree(db_name);
	+ efree(coll_name);
	+
	+ if (pfree) {
	+ efree(keyvault_namespace);
	+ }
	+ }
	+
	+ if (php_array_existsc(options, "kmsProviders")) {
	+ zval* kms_providers = php_array_fetchc(options, "kmsProviders");
	+ bson_t bson_providers = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(kms_providers) != IS_ARRAY && Z_TYPE_P(kms_providers) != IS_OBJECT) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"kmsProviders\" encryption option to be an array or object");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(kms_providers, PHONGO_BSON_NONE, &bson_providers, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_encryption_opts_set_kms_providers(opts, &bson_providers);
	+ bson_destroy(&bson_providers);
	+ }
	+
	+ if (php_array_existsc(options, "tlsOptions")) {
	+ zval* tls_options = php_array_fetchc(options, "tlsOptions");
	+ bson_t bson_options = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(tls_options) != IS_ARRAY && Z_TYPE_P(tls_options) != IS_OBJECT) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"tlsOptions\" encryption option to be an array or object");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(tls_options, PHONGO_BSON_NONE, &bson_options, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_encryption_opts_set_tls_opts(opts, &bson_options);
	+ bson_destroy(&bson_options);
	+ }
	+
	+ return opts;
	+
	+cleanup:
	+ if (opts) {
	+ mongoc_client_encryption_opts_destroy(opts);
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+void phongo_clientencryption_init(zval* return_value, zval* manager, zval* options) /* {{{ */
	+{
	+ php_phongo_clientencryption_t* intern;
	+ mongoc_client_encryption_t* client_encryption;
	+ mongoc_client_encryption_opts_t* opts;
	+ zval* key_vault_client_manager = manager;
	+ bson_error_t error = { 0 };
	+
	+ opts = phongo_clientencryption_opts_from_zval(manager, options, &key_vault_client_manager);
	+ if (!opts) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+ client_encryption = mongoc_client_encryption_new(opts, &error);
	+ if (!client_encryption) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(return_value, php_phongo_clientencryption_ce);
	+
	+ intern = Z_CLIENTENCRYPTION_OBJ_P(return_value);
	+ intern->client_encryption = client_encryption;
	+ ZVAL_ZVAL(&intern->key_vault_client_manager, key_vault_client_manager, 1, 0);
	+
	+cleanup:
	+ if (opts) {
	+ mongoc_client_encryption_opts_destroy(opts);
	+ }
	+} /* }}} */
	+
	+static mongoc_client_encryption_datakey_opts_t* phongo_clientencryption_datakey_opts_from_zval(zval* options) /* {{{ */
	+{
	+ mongoc_client_encryption_datakey_opts_t* opts;
	+
	+ opts = mongoc_client_encryption_datakey_opts_new();
	+
	+ if (!options \|\| Z_TYPE_P(options) != IS_ARRAY) {
	+ return opts;
	+ }
	+
	+ if (php_array_existsc(options, "keyAltNames")) {
	+ zval* zkeyaltnames = php_array_fetchc(options, "keyAltNames");
	+ HashTable* ht_data;
	+ uint32_t keyaltnames_count;
	+ char** keyaltnames;
	+ uint32_t i = 0;
	+ uint32_t j = 0;
	+ bool failed = false;
	+
	+ if (!zkeyaltnames \|\| Z_TYPE_P(zkeyaltnames) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected keyAltNames to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zkeyaltnames));
	+ goto cleanup;
	+ }
	+
	+ ht_data = HASH_OF(zkeyaltnames);
	+ keyaltnames_count = ht_data ? zend_hash_num_elements(ht_data) : 0;
	+ keyaltnames = ecalloc(keyaltnames_count, sizeof(char*));
	+
	+ {
	+ zend_string* string_key = NULL;
	+ zend_ulong num_key = 0;
	+ zval* keyaltname;
	+
	+ ZEND_HASH_FOREACH_KEY_VAL(ht_data, num_key, string_key, keyaltname)
	+ {
	+ if (i >= keyaltnames_count) {
	+ phongo_throw_exception(PHONGO_ERROR_LOGIC, "Iterating over too many keyAltNames. Please file a bug report");
	+ failed = true;
	+ break;
	+ }
	+
	+ if (Z_TYPE_P(keyaltname) != IS_STRING) {
	+ if (string_key) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected keyAltName with index \"%s\" to be string, %s given", ZSTR_VAL(string_key), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(keyaltname));
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected keyAltName with index \"%lu\" to be string, %s given", num_key, PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(keyaltname));
	+ }
	+
	+ failed = true;
	+ break;
	+ }
	+
	+ keyaltnames[i] = estrdup(Z_STRVAL_P(keyaltname));
	+ i++;
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+
	+ if (!failed) {
	+ mongoc_client_encryption_datakey_opts_set_keyaltnames(opts, keyaltnames, keyaltnames_count);
	+ }
	+
	+ for (j = 0; j < i; j++) {
	+ efree(keyaltnames[j]);
	+ }
	+ efree(keyaltnames);
	+
	+ if (failed) {
	+ goto cleanup;
	+ }
	+ }
	+
	+ if (php_array_existsc(options, "masterKey")) {
	+ bson_t masterkey = BSON_INITIALIZER;
	+
	+ php_phongo_zval_to_bson(php_array_fetchc(options, "masterKey"), PHONGO_BSON_NONE, &masterkey, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_encryption_datakey_opts_set_masterkey(opts, &masterkey);
	+ }
	+
	+ return opts;
	+
	+cleanup:
	+ if (opts) {
	+ mongoc_client_encryption_datakey_opts_destroy(opts);
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+static void phongo_clientencryption_create_datakey(php_phongo_clientencryption_t* clientencryption, zval* return_value, char* kms_provider, zval* options) /* {{{ */
	+{
	+ mongoc_client_encryption_datakey_opts_t* opts;
	+ bson_value_t keyid;
	+ bson_error_t error = { 0 };
	+
	+ opts = phongo_clientencryption_datakey_opts_from_zval(options);
	+ if (!opts) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!mongoc_client_encryption_create_datakey(clientencryption->client_encryption, kms_provider, opts, &keyid, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_bson_value_to_zval(&keyid, return_value)) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+cleanup:
	+ if (opts) {
	+ mongoc_client_encryption_datakey_opts_destroy(opts);
	+ }
	+} /* }}} */
	+
	+static mongoc_client_encryption_encrypt_opts_t* phongo_clientencryption_encrypt_opts_from_zval(zval* options) /* {{{ */
	+{
	+ mongoc_client_encryption_encrypt_opts_t* opts;
	+
	+ opts = mongoc_client_encryption_encrypt_opts_new();
	+
	+ if (!options \|\| Z_TYPE_P(options) != IS_ARRAY) {
	+ return opts;
	+ }
	+
	+ if (php_array_existsc(options, "keyId")) {
	+ bson_value_t keyid;
	+
	+ php_phongo_zval_to_bson_value(php_array_fetchc(options, "keyId"), PHONGO_BSON_NONE, &keyid);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_encryption_encrypt_opts_set_keyid(opts, &keyid);
	+ }
	+
	+ if (php_array_existsc(options, "keyAltName")) {
	+ char* keyaltname;
	+ int plen;
	+ zend_bool pfree;
	+
	+ keyaltname = php_array_fetch_string(options, "keyAltName", &plen, &pfree);
	+ mongoc_client_encryption_encrypt_opts_set_keyaltname(opts, keyaltname);
	+
	+ if (pfree) {
	+ efree(keyaltname);
	+ }
	+ }
	+
	+ if (php_array_existsc(options, "algorithm")) {
	+ char* algorithm;
	+ int plen;
	+ zend_bool pfree;
	+
	+ algorithm = php_array_fetch_string(options, "algorithm", &plen, &pfree);
	+ mongoc_client_encryption_encrypt_opts_set_algorithm(opts, algorithm);
	+
	+ if (pfree) {
	+ efree(algorithm);
	+ }
	+ }
	+
	+ return opts;
	+
	+cleanup:
	+ if (opts) {
	+ mongoc_client_encryption_encrypt_opts_destroy(opts);
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+static void phongo_clientencryption_encrypt(php_phongo_clientencryption_t* clientencryption, zval* zvalue, zval* zciphertext, zval* options) /* {{{ */
	+{
	+ mongoc_client_encryption_encrypt_opts_t* opts;
	+ bson_value_t ciphertext, value;
	+ bson_error_t error = { 0 };
	+
	+ php_phongo_zval_to_bson_value(zvalue, PHONGO_BSON_NONE, &value);
	+
	+ opts = phongo_clientencryption_encrypt_opts_from_zval(options);
	+ if (!opts) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!mongoc_client_encryption_encrypt(clientencryption->client_encryption, &value, opts, &ciphertext, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_bson_value_to_zval(&ciphertext, zciphertext)) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+cleanup:
	+ if (opts) {
	+ mongoc_client_encryption_encrypt_opts_destroy(opts);
	+ }
	+} /* }}} */
	+
	+static void phongo_clientencryption_decrypt(php_phongo_clientencryption_t* clientencryption, zval* zciphertext, zval* zvalue) /* {{{ */
	+{
	+ bson_value_t ciphertext, value;
	+ bson_error_t error = { 0 };
	+
	+ php_phongo_zval_to_bson_value(zciphertext, PHONGO_BSON_NONE, &ciphertext);
	+
	+ if (!mongoc_client_encryption_decrypt(clientencryption->client_encryption, &ciphertext, &value, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ return;
	+ }
	+
	+ if (!php_phongo_bson_value_to_zval(&value, zvalue)) {
	+ /* Exception already thrown */
	+ return;
	+ }
	+} /* }}} */
	+#else /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	+void phongo_clientencryption_init(php_phongo_clientencryption_t* clientencryption, zval* manager, zval* options) /* {{{ */
	+{
	+ phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot configure clientEncryption object.");
	+}
	+/* }}} */
	+
	+static void phongo_clientencryption_create_datakey(php_phongo_clientencryption_t* clientencryption, zval* return_value, char* kms_provider, zval* options) /* {{{ */
	+{
	+ phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot create encryption key.");
	+}
	+/* }}} */
	+
	+static void phongo_clientencryption_encrypt(php_phongo_clientencryption_t* clientencryption, zval* zvalue, zval* zciphertext, zval* options) /* {{{ */
	+{
	+ phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot encrypt value.");
	+}
	+/* }}} */
	+
	+static void phongo_clientencryption_decrypt(php_phongo_clientencryption_t* clientencryption, zval* zciphertext, zval* zvalue) /* {{{ */
	+{
	+ phongo_throw_exception_no_cse(PHONGO_ERROR_RUNTIME, "Cannot decrypt value.");
	+}
	+/* }}} */
	+#endif /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	diff --git a/mongodb-1.13.0/src/MongoDB/ClientEncryption.h b/mongodb-1.13.0/src/MongoDB/ClientEncryption.h
	new file mode 100644
	index 00000000..51fe33da
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ClientEncryption.h
	@@ -0,0 +1,24 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_CLIENTENCRYPTION_H
	+#define PHONGO_CLIENTENCRYPTION_H
	+
	+#include <php.h>
	+
	+void phongo_clientencryption_init(zval* return_value, zval* manager, zval* options);
	+
	+#endif /* PHONGO_CLIENTENCRYPTION_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/Command.c b/mongodb-1.13.0/src/MongoDB/Command.c
	new file mode 100644
	index 00000000..4745ab64
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Command.c
	@@ -0,0 +1,207 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_command_ce;
	+
	+/* Initialize the "maxAwaitTimeMS" option. Returns true on success; otherwise,
	+ * false is returned and an exception is thrown.
	+ *
	+ * The "maxAwaitTimeMS" option is assigned to the cursor after query execution
	+ * via mongoc_cursor_set_max_await_time_ms(). */
	+static bool php_phongo_command_init_max_await_time_ms(php_phongo_command_t* intern, zval* options) /* {{{ */
	+{
	+ int64_t max_await_time_ms;
	+
	+ if (!php_array_existsc(options, "maxAwaitTimeMS")) {
	+ return true;
	+ }
	+
	+ max_await_time_ms = php_array_fetchc_long(options, "maxAwaitTimeMS");
	+
	+ if (max_await_time_ms < 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be >= 0, %" PRId64 " given", max_await_time_ms);
	+ return false;
	+ }
	+
	+ if (max_await_time_ms > UINT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be <= %" PRIu32 ", %" PRId64 " given", UINT32_MAX, max_await_time_ms);
	+ return false;
	+ }
	+
	+ intern->max_await_time_ms = (uint32_t) max_await_time_ms;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initializes the php_phongo_command_init from options argument. This
	+ * function will fall back to a modifier in the absence of a top-level option
	+ * (where applicable). */
	+static bool php_phongo_command_init(php_phongo_command_t* intern, zval* filter, zval* options) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ bson_iter_t sub_iter;
	+
	+ intern->bson = bson_new();
	+ intern->batch_size = 0;
	+ intern->max_await_time_ms = 0;
	+
	+ php_phongo_zval_to_bson(filter, PHONGO_BSON_NONE, intern->bson, NULL);
	+
	+ /* Note: if any exceptions are thrown, we can simply return as PHP will
	+ * invoke php_phongo_query_free_object to destruct the object. */
	+ if (EG(exception)) {
	+ return false;
	+ }
	+
	+ if (bson_iter_init(&iter, intern->bson) && bson_iter_find_descendant(&iter, "cursor.batchSize", &sub_iter) && BSON_ITER_HOLDS_INT(&sub_iter)) {
	+ int64_t batch_size = bson_iter_as_int64(&sub_iter);
	+
	+ if (batch_size >= 0 && batch_size <= UINT32_MAX) {
	+ intern->batch_size = (uint32_t) batch_size;
	+ }
	+ }
	+
	+ if (!options) {
	+ return true;
	+ }
	+
	+ if (!php_phongo_command_init_max_await_time_ms(intern, options)) {
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Command::__construct(array\|object $document[, array $options = array()])
	+ Constructs a new Command */
	+static PHP_METHOD(Command, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_command_t* intern;
	+ zval* document;
	+ zval* options = NULL;
	+
	+ intern = Z_COMMAND_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "A\|a!", &document, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_command_init(intern, document, options);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Command function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Command___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, document)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Command_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_command_me[] = {
	+ /* clang-format off */
	+ PHP_ME(Command, __construct, ai_Command___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Command_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Command object handlers */
	+static zend_object_handlers php_phongo_handler_command;
	+
	+static void php_phongo_command_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_command_t* intern = Z_OBJ_COMMAND(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->bson) {
	+ bson_clear(&intern->bson);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_command_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_command_t* intern = zend_object_alloc(sizeof(php_phongo_command_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_command;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_command_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_command_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_COMMAND(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init_size(&retval, 1);
	+
	+ if (intern->bson) {
	+ zval zv;
	+
	+ if (!php_phongo_bson_to_zval(bson_get_data(intern->bson), intern->bson->len, &zv)) {
	+ zval_ptr_dtor(&zv);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "command", &zv);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "command");
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_command_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Command", php_phongo_command_me);
	+ php_phongo_command_ce = zend_register_internal_class(&ce);
	+ php_phongo_command_ce->create_object = php_phongo_command_create_object;
	+ PHONGO_CE_FINAL(php_phongo_command_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_command_ce);
	+
	+ memcpy(&php_phongo_handler_command, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_command.get_debug_info = php_phongo_command_get_debug_info;
	+ php_phongo_handler_command.free_obj = php_phongo_command_free_object;
	+ php_phongo_handler_command.offset = XtOffsetOf(php_phongo_command_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Cursor.c b/mongodb-1.13.0/src/MongoDB/Cursor.c
	new file mode 100644
	index 00000000..0eada5ff
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Cursor.c
	@@ -0,0 +1,576 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <ext/spl/spl_iterators.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson.h"
	+#include "phongo_client.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/Cursor.h"
	+#include "MongoDB/Server.h"
	+
	+zend_class_entry* php_phongo_cursor_ce;
	+
	+/* Check if the cursor is exhausted (i.e. ID is zero) and free any reference to
	+ * the session. Calling this function during iteration will allow an implicit
	+ * session to return to the pool immediately after a getMore indicates that the
	+ * server has no more results to return. */
	+static void php_phongo_cursor_free_session_if_exhausted(php_phongo_cursor_t* cursor) /* {{{ */
	+{
	+ if (mongoc_cursor_get_id(cursor->cursor)) {
	+ return;
	+ }
	+
	+ if (!Z_ISUNDEF(cursor->session)) {
	+ zval_ptr_dtor(&cursor->session);
	+ ZVAL_UNDEF(&cursor->session);
	+ }
	+} /* }}} */
	+
	+static void php_phongo_cursor_free_current(php_phongo_cursor_t* cursor) /* {{{ */
	+{
	+ if (!Z_ISUNDEF(cursor->visitor_data.zchild)) {
	+ zval_ptr_dtor(&cursor->visitor_data.zchild);
	+ ZVAL_UNDEF(&cursor->visitor_data.zchild);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Cursor::setTypeMap(array $typemap)
	+ Sets a type map to use for BSON unserialization */
	+static PHP_METHOD(Cursor, setTypeMap)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern;
	+ php_phongo_bson_state state;
	+ zval* typemap = NULL;
	+ bool restore_current_element = false;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_CURSOR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a!", &typemap) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!php_phongo_bson_typemap_to_state(typemap, &state.map)) {
	+ return;
	+ }
	+
	+ /* Check if the existing element needs to be freed before we overwrite
	+ * visitor_data, which contains the only reference to it. */
	+ if (!Z_ISUNDEF(intern->visitor_data.zchild)) {
	+ php_phongo_cursor_free_current(intern);
	+ restore_current_element = true;
	+ }
	+
	+ php_phongo_bson_typemap_dtor(&intern->visitor_data.map);
	+
	+ intern->visitor_data = state;
	+
	+ /* If the cursor has a current element, we just freed it and should restore
	+ * it with a new type map applied. */
	+ if (restore_current_element && mongoc_cursor_current(intern->cursor)) {
	+ const bson_t* doc = mongoc_cursor_current(intern->cursor);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &intern->visitor_data)) {
	+ php_phongo_cursor_free_current(intern);
	+ }
	+ }
	+} /* }}} */
	+
	+static int php_phongo_cursor_to_array_apply(zend_object_iterator* iter, void* puser) /* {{{ */
	+{
	+ zval* data;
	+ zval* return_value = (zval*) puser;
	+
	+ data = iter->funcs->get_current_data(iter);
	+
	+ if (EG(exception)) {
	+ return ZEND_HASH_APPLY_STOP;
	+ }
	+ if (Z_ISUNDEF_P(data)) {
	+ return ZEND_HASH_APPLY_STOP;
	+ }
	+ Z_TRY_ADDREF_P(data);
	+ add_next_index_zval(return_value, data);
	+
	+ return ZEND_HASH_APPLY_KEEP;
	+} /* }}} */
	+
	+static void php_phongo_cursor_id_new_from_id(zval* object, int64_t cursorid) /* {{{ */
	+{
	+ php_phongo_cursorid_t* intern;
	+
	+ object_init_ex(object, php_phongo_cursorid_ce);
	+
	+ intern = Z_CURSORID_OBJ_P(object);
	+ intern->id = cursorid;
	+ intern->initialized = true;
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Cursor::toArray()
	+ Returns an array of all result documents for this cursor */
	+static PHP_METHOD(Cursor, toArray)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init(return_value);
	+
	+ if (spl_iterator_apply(getThis(), php_phongo_cursor_to_array_apply, (void*) return_value) != SUCCESS) {
	+ zval_dtor(return_value);
	+ RETURN_NULL();
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\CursorId MongoDB\Driver\Cursor::getId()
	+ Returns the CursorId for this cursor */
	+static PHP_METHOD(Cursor, getId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern;
	+
	+ intern = Z_CURSOR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_cursor_id_new_from_id(return_value, mongoc_cursor_get_id(intern->cursor));
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server MongoDB\Driver\Cursor::getServer()
	+ Returns the Server object to which this cursor is attached */
	+static PHP_METHOD(Cursor, getServer)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern;
	+
	+ intern = Z_CURSOR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_server_init(return_value, &intern->manager, intern->server_id);
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\Cursor::isDead()
	+ Checks if a cursor is still alive */
	+static PHP_METHOD(Cursor, isDead)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern;
	+
	+ intern = Z_CURSOR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_BOOL(!mongoc_cursor_more(intern->cursor));
	+} /* }}} */
	+
	+PHP_METHOD(Cursor, current)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	+ zval* data;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ data = &intern->visitor_data.zchild;
	+
	+ if (Z_ISUNDEF_P(data)) {
	+ RETURN_NULL();
	+ } else {
	+ ZVAL_COPY_DEREF(return_value, data);
	+ }
	+}
	+
	+PHP_METHOD(Cursor, key)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (Z_ISUNDEF(intern->visitor_data.zchild)) {
	+ RETURN_NULL();
	+ }
	+
	+ RETURN_LONG(intern->current);
	+}
	+
	+PHP_METHOD(Cursor, next)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	+ const bson_t* doc;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_cursor_free_current(intern);
	+
	+ /* If the intern has already advanced, increment its position. Otherwise,
	+ * the first call to mongoc_cursor_next() will be made below and we should
	+ * leave its position at zero. */
	+ if (intern->advanced) {
	+ intern->current++;
	+ } else {
	+ intern->advanced = true;
	+ }
	+
	+ if (mongoc_cursor_next(intern->cursor, &doc)) {
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &intern->visitor_data)) {
	+ /* Free invalid result, but don't return as we want to free the
	+ * session if the intern is exhausted. */
	+ php_phongo_cursor_free_current(intern);
	+ }
	+ } else {
	+ bson_error_t error = { 0 };
	+ const bson_t* doc = NULL;
	+
	+ if (mongoc_cursor_error_document(intern->cursor, &error, &doc)) {
	+ /* Intentionally not destroying the intern as it will happen
	+ * naturally now that there are no more results */
	+ phongo_throw_exception_from_bson_error_t_and_reply(&error, doc);
	+ }
	+ }
	+
	+ php_phongo_cursor_free_session_if_exhausted(intern);
	+}
	+
	+PHP_METHOD(Cursor, valid)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_BOOL(!Z_ISUNDEF(intern->visitor_data.zchild));
	+}
	+
	+PHP_METHOD(Cursor, rewind)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursor_t* intern = Z_CURSOR_OBJ_P(getThis());
	+ const bson_t* doc;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ /* If the intern was never advanced (e.g. command intern), do so now */
	+ if (!intern->advanced) {
	+ intern->advanced = true;
	+
	+ if (!phongo_cursor_advance_and_check_for_error(intern->cursor)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+ }
	+
	+ if (intern->current > 0) {
	+ phongo_throw_exception(PHONGO_ERROR_LOGIC, "Cursors cannot rewind after starting iteration");
	+ return;
	+ }
	+
	+ php_phongo_cursor_free_current(intern);
	+
	+ doc = mongoc_cursor_current(intern->cursor);
	+
	+ if (doc) {
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(doc), doc->len, &intern->visitor_data)) {
	+ /* Free invalid result, but don't return as we want to free the
	+ * session if the intern is exhausted. */
	+ php_phongo_cursor_free_current(intern);
	+ }
	+ }
	+
	+ php_phongo_cursor_free_session_if_exhausted(intern);
	+}
	+
	+/* {{{ MongoDB\Driver\Cursor function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_current, 0, 0, IS_MIXED, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_key, 0, 0, IS_MIXED, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_next, 0, 0, IS_VOID, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_valid, 0, 0, _IS_BOOL, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(ai_Cursor_rewind, 0, 0, IS_VOID, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Cursor_setTypeMap, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, typemap, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Cursor_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_cursor_me[] = {
	+ PHP_ME(Cursor, setTypeMap, ai_Cursor_setTypeMap, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Cursor, toArray, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Cursor, getId, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Cursor, getServer, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Cursor, isDead, ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+
	+ PHP_ME(Cursor, current, ai_Cursor_current, ZEND_ACC_PUBLIC)
	+ PHP_ME(Cursor, key, ai_Cursor_key, ZEND_ACC_PUBLIC)
	+ PHP_ME(Cursor, next, ai_Cursor_next, ZEND_ACC_PUBLIC)
	+ PHP_ME(Cursor, valid, ai_Cursor_valid, ZEND_ACC_PUBLIC)
	+ PHP_ME(Cursor, rewind, ai_Cursor_rewind, ZEND_ACC_PUBLIC)
	+
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Cursor_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Cursor_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Cursor object handlers */
	+static zend_object_handlers php_phongo_handler_cursor;
	+
	+static void php_phongo_cursor_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_cursor_t* intern = Z_OBJ_CURSOR(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ /* If this Cursor was created in a different process, reset the client so
	+ * that mongoc_cursor_destroy does not issue a killCursors command for an
	+ * active cursor owned by a parent process. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ if (intern->cursor) {
	+ mongoc_cursor_destroy(intern->cursor);
	+ }
	+
	+ if (intern->database) {
	+ efree(intern->database);
	+ }
	+
	+ if (intern->collection) {
	+ efree(intern->collection);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->query)) {
	+ zval_ptr_dtor(&intern->query);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->command)) {
	+ zval_ptr_dtor(&intern->command);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->read_preference)) {
	+ zval_ptr_dtor(&intern->read_preference);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->session)) {
	+ zval_ptr_dtor(&intern->session);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+
	+ php_phongo_bson_typemap_dtor(&intern->visitor_data.map);
	+
	+ php_phongo_cursor_free_current(intern);
	+} /* }}} */
	+
	+static zend_object* php_phongo_cursor_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_cursor_t* intern = zend_object_alloc(sizeof(php_phongo_cursor_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ PHONGO_SET_CREATED_BY_PID(intern);
	+
	+ intern->std.handlers = &php_phongo_handler_cursor;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_cursor_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_cursor_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_CURSOR(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init_size(&retval, 10);
	+
	+ if (intern->database) {
	+ ADD_ASSOC_STRING(&retval, "database", intern->database);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "database");
	+ }
	+
	+ if (intern->collection) {
	+ ADD_ASSOC_STRING(&retval, "collection", intern->collection);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "collection");
	+ }
	+
	+ if (!Z_ISUNDEF(intern->query)) {
	+ ADD_ASSOC_ZVAL_EX(&retval, "query", &intern->query);
	+ Z_ADDREF(intern->query);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "query");
	+ }
	+
	+ if (!Z_ISUNDEF(intern->command)) {
	+ ADD_ASSOC_ZVAL_EX(&retval, "command", &intern->command);
	+ Z_ADDREF(intern->command);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "command");
	+ }
	+
	+ if (!Z_ISUNDEF(intern->read_preference)) {
	+ ADD_ASSOC_ZVAL_EX(&retval, "readPreference", &intern->read_preference);
	+ Z_ADDREF(intern->read_preference);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "readPreference");
	+ }
	+
	+ if (!Z_ISUNDEF(intern->session)) {
	+ ADD_ASSOC_ZVAL_EX(&retval, "session", &intern->session);
	+ Z_ADDREF(intern->session);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "session");
	+ }
	+
	+ ADD_ASSOC_BOOL_EX(&retval, "isDead", !mongoc_cursor_more(intern->cursor));
	+
	+ ADD_ASSOC_LONG_EX(&retval, "currentIndex", intern->current);
	+
	+ if (!Z_ISUNDEF(intern->visitor_data.zchild)) {
	+ ADD_ASSOC_ZVAL_EX(&retval, "currentDocument", &intern->visitor_data.zchild);
	+ Z_ADDREF(intern->visitor_data.zchild);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "currentDocument");
	+ }
	+
	+ {
	+ zval server;
	+
	+ phongo_server_init(&server, &intern->manager, intern->server_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_cursor_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Cursor", php_phongo_cursor_me);
	+ php_phongo_cursor_ce = zend_register_internal_class(&ce);
	+ php_phongo_cursor_ce->create_object = php_phongo_cursor_create_object;
	+ PHONGO_CE_FINAL(php_phongo_cursor_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_cursor_ce);
	+
	+ zend_class_implements(php_phongo_cursor_ce, 1, zend_ce_iterator);
	+ zend_class_implements(php_phongo_cursor_ce, 1, php_phongo_cursor_interface_ce);
	+
	+ memcpy(&php_phongo_handler_cursor, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_cursor.get_debug_info = php_phongo_cursor_get_debug_info;
	+ php_phongo_handler_cursor.free_obj = php_phongo_cursor_free_object;
	+ php_phongo_handler_cursor.offset = XtOffsetOf(php_phongo_cursor_t, std);
	+} /* }}} */
	+
	+/* Advance the cursor and return whether there is an error. On error, false is
	+ * returned and an exception is thrown. */
	+bool phongo_cursor_advance_and_check_for_error(mongoc_cursor_t* cursor) /* {{{ */
	+{
	+ const bson_t* doc = NULL;
	+
	+ if (!mongoc_cursor_next(cursor, &doc)) {
	+ bson_error_t error = { 0 };
	+
	+ /* Check for connection related exceptions */
	+ if (EG(exception)) {
	+ return false;
	+ }
	+
	+ /* Could simply be no docs, which is not an error */
	+ if (mongoc_cursor_error_document(cursor, &error, &doc)) {
	+ phongo_throw_exception_from_bson_error_t_and_reply(&error, doc);
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Cursor.h b/mongodb-1.13.0/src/MongoDB/Cursor.h
	new file mode 100644
	index 00000000..5a7db233
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Cursor.h
	@@ -0,0 +1,24 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_CURSOR_H
	+#define PHONGO_CURSOR_H
	+
	+#include "mongoc/mongoc.h"
	+
	+bool phongo_cursor_advance_and_check_for_error(mongoc_cursor_t* cursor);
	+
	+#endif /* PHONGO_CURSOR_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/CursorId.c b/mongodb-1.13.0/src/MongoDB/CursorId.c
	new file mode 100644
	index 00000000..7acc96d7
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/CursorId.c
	@@ -0,0 +1,321 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+zend_class_entry* php_phongo_cursorid_ce;
	+
	+/* Initialize the object from a numeric string and return whether it was
	+ * successful. An exception will be thrown on error. */
	+static bool php_phongo_cursorid_init_from_string(php_phongo_cursorid_t* intern, const char* s_id, size_t s_id_len) /* {{{ */
	+{
	+ int64_t id;
	+
	+ if (!php_phongo_parse_int64(&id, s_id, s_id_len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit id for %s initialization", s_id, ZSTR_VAL(php_phongo_cursorid_ce->name));
	+ return false;
	+ }
	+
	+ intern->id = id;
	+ intern->initialized = true;
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_cursorid_init_from_hash(php_phongo_cursorid_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* value;
	+
	+ if ((value = zend_hash_str_find(props, "id", sizeof("id") - 1)) && Z_TYPE_P(value) == IS_STRING) {
	+ return php_phongo_cursorid_init_from_string(intern, Z_STRVAL_P(value), Z_STRLEN_P(value));
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"id\" string field", ZSTR_VAL(php_phongo_cursorid_ce->name));
	+ return false;
	+} /* }}} */
	+
	+static HashTable* php_phongo_cursorid_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp, bool is_serialize) /* {{{ */
	+{
	+ php_phongo_cursorid_t* intern;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_CURSORID(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	+
	+ if (!intern->initialized) {
	+ return props;
	+ }
	+
	+ {
	+ zval value;
	+
	+ if (is_serialize) {
	+ ZVAL_INT64_STRING(&value, intern->id);
	+ } else {
	+#if SIZEOF_ZEND_LONG == 4
	+ if (intern->id > INT32_MAX \|\| intern->id < INT32_MIN) {
	+ ZVAL_INT64_STRING(&value, intern->id);
	+ } else {
	+ ZVAL_LONG(&value, intern->id);
	+ }
	+#else
	+ ZVAL_LONG(&value, intern->id);
	+#endif
	+ }
	+ zend_hash_str_update(props, "id", sizeof("id") - 1, &value);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\CursorId MongoDB\Driver\CursorId::__set_state(array $properties)
	+*/
	+static PHP_METHOD(CursorId, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursorid_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_cursorid_ce);
	+
	+ intern = Z_CURSORID_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_cursorid_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\CursorId::__toString()
	+ Returns the string representation of the CursorId */
	+static PHP_METHOD(CursorId, __toString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursorid_t* intern;
	+ char* tmp;
	+ int tmp_len;
	+
	+ intern = Z_CURSORID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ tmp_len = spprintf(&tmp, 0, "%" PRId64, intern->id);
	+ RETVAL_STRINGL(tmp, tmp_len);
	+ efree(tmp);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\CursorId::serialize()
	+*/
	+static PHP_METHOD(CursorId, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursorid_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_CURSORID_OBJ_P(getThis());
	+
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_INT64_AS_STRING(&retval, "id", intern->id);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\CursorId::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(CursorId, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_cursorid_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_CURSORID_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_cursorid_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_cursorid_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\CursorId::__serialize()
	+*/
	+static PHP_METHOD(CursorId, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_cursorid_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\CursorId::__unserialize(array $data)
	+*/
	+static PHP_METHOD(CursorId, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_cursorid_init_from_hash(Z_CURSORID_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\CursorId function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CursorId___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(ai_CursorId___toString, 0, 0, IS_STRING, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_CursorId___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_CursorId_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_CursorId_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_cursorid_me[] = {
	+ PHP_ME(CursorId, __serialize, ai_CursorId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CursorId, __set_state, ai_CursorId___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(CursorId, __toString, ai_CursorId___toString, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CursorId, __unserialize, ai_CursorId___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CursorId, serialize, ai_CursorId_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CursorId, unserialize, ai_CursorId_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CursorId_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\CursorId object handlers */
	+static zend_object_handlers php_phongo_handler_cursorid;
	+
	+static void php_phongo_cursorid_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_cursorid_t* intern = Z_OBJ_CURSORID(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_cursorid_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_cursorid_t* intern = zend_object_alloc(sizeof(php_phongo_cursorid_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_cursorid;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_cursorid_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_cursorid_get_properties_hash(object, true, false);
	+} /* }}} */
	+/* }}} */
	+
	+static HashTable* php_phongo_cursorid_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_cursorid_get_properties_hash(object, false, false);
	+} /* }}} */
	+
	+void php_phongo_cursorid_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "CursorId", php_phongo_cursorid_me);
	+ php_phongo_cursorid_ce = zend_register_internal_class(&ce);
	+ php_phongo_cursorid_ce->create_object = php_phongo_cursorid_create_object;
	+ PHONGO_CE_FINAL(php_phongo_cursorid_ce);
	+
	+ zend_class_implements(php_phongo_cursorid_ce, 1, zend_ce_serializable);
	+
	+#if PHP_VERSION_ID >= 80000
	+ zend_class_implements(php_phongo_cursorid_ce, 1, zend_ce_stringable);
	+#endif
	+
	+ memcpy(&php_phongo_handler_cursorid, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_cursorid.get_debug_info = php_phongo_cursorid_get_debug_info;
	+ php_phongo_handler_cursorid.get_properties = php_phongo_cursorid_get_properties;
	+ php_phongo_handler_cursorid.free_obj = php_phongo_cursorid_free_object;
	+ php_phongo_handler_cursorid.offset = XtOffsetOf(php_phongo_cursorid_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/CursorInterface.c b/mongodb-1.13.0/src/MongoDB/CursorInterface.c
	new file mode 100644
	index 00000000..23797ae5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/CursorInterface.c
	@@ -0,0 +1,52 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_cursor_interface_ce;
	+
	+/* {{{ MongoDB\BSON\CursorInterface function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CursorInterface_setTypeMap, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, typemap, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_CursorInterface_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_cursor_interface_me[] = {
	+ /* clang-format off */
	+ ZEND_ABSTRACT_ME(CursorInterface, getId, ai_CursorInterface_void)
	+ ZEND_ABSTRACT_ME(CursorInterface, getServer, ai_CursorInterface_void)
	+ ZEND_ABSTRACT_ME(CursorInterface, isDead, ai_CursorInterface_void)
	+ ZEND_ABSTRACT_ME(CursorInterface, setTypeMap, ai_CursorInterface_setTypeMap)
	+ ZEND_ABSTRACT_ME(CursorInterface, toArray, ai_CursorInterface_void)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_cursor_interface_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "CursorInterface", php_phongo_cursor_interface_me);
	+ php_phongo_cursor_interface_ce = zend_register_internal_interface(&ce);
	+
	+ zend_class_implements(php_phongo_cursor_interface_ce, 1, zend_ce_traversable);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/AuthenticationException.c b/mongodb-1.13.0/src/MongoDB/Exception/AuthenticationException.c
	new file mode 100644
	index 00000000..c118a117
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/AuthenticationException.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_authenticationexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\AuthenticationException function entries */
	+static zend_function_entry php_phongo_authenticationexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_authenticationexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "AuthenticationException", php_phongo_authenticationexception_me);
	+ php_phongo_authenticationexception_ce = zend_register_internal_class_ex(&ce, php_phongo_connectionexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/BulkWriteException.c b/mongodb-1.13.0/src/MongoDB/Exception/BulkWriteException.c
	new file mode 100644
	index 00000000..3549f368
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/BulkWriteException.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_bulkwriteexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\BulkWriteException function entries */
	+static zend_function_entry php_phongo_bulkwriteexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_bulkwriteexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "BulkWriteException", php_phongo_bulkwriteexception_me);
	+ php_phongo_bulkwriteexception_ce = zend_register_internal_class_ex(&ce, php_phongo_writeexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/CommandException.c b/mongodb-1.13.0/src/MongoDB/Exception/CommandException.c
	new file mode 100644
	index 00000000..a2dae4bc
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/CommandException.c
	@@ -0,0 +1,64 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_commandexception_ce;
	+
	+/* {{{ proto document MongoDB\Driver\Exception\CommandException::getResultDocument()
	+ Returns the result document from the failed command. */
	+static PHP_METHOD(CommandException, getResultDocument)
	+{
	+ zend_error_handling error_handling;
	+ zval* resultdocument;
	+ zval rv;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ resultdocument = zend_read_property(php_phongo_commandexception_ce, PHONGO_COMPAT_OBJ_P(getThis()), ZEND_STRL("resultDocument"), 0, &rv);
	+
	+ RETURN_ZVAL(resultdocument, 1, 0);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Exception\CommandException function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandException_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_commandexception_me[] = {
	+ /* clang-format off */
	+ PHP_ME(CommandException, getResultDocument, ai_CommandException_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_commandexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "CommandException", php_phongo_commandexception_me);
	+ php_phongo_commandexception_ce = zend_register_internal_class_ex(&ce, php_phongo_serverexception_ce);
	+
	+ zend_declare_property_null(php_phongo_commandexception_ce, ZEND_STRL("resultDocument"), ZEND_ACC_PROTECTED);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/ConnectionException.c b/mongodb-1.13.0/src/MongoDB/Exception/ConnectionException.c
	new file mode 100644
	index 00000000..2650a9ae
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/ConnectionException.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_connectionexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\ConnectionException function entries */
	+static zend_function_entry php_phongo_connectionexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_connectionexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ConnectionException", php_phongo_connectionexception_me);
	+ php_phongo_connectionexception_ce = zend_register_internal_class_ex(&ce, php_phongo_runtimeexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/ConnectionTimeoutException.c b/mongodb-1.13.0/src/MongoDB/Exception/ConnectionTimeoutException.c
	new file mode 100644
	index 00000000..32bfebbb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/ConnectionTimeoutException.c
	@@ -0,0 +1,36 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_connectiontimeoutexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\ConnectionTimeoutException function entries */
	+static zend_function_entry php_phongo_connectiontimeoutexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_connectiontimeoutexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ConnectionTimeoutException", php_phongo_connectiontimeoutexception_me);
	+ php_phongo_connectiontimeoutexception_ce = zend_register_internal_class_ex(&ce, php_phongo_connectionexception_ce);
	+ PHONGO_CE_FINAL(php_phongo_connectiontimeoutexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/EncryptionException.c b/mongodb-1.13.0/src/MongoDB/Exception/EncryptionException.c
	new file mode 100644
	index 00000000..9016225e
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/EncryptionException.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_encryptionexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\EncryptionException function entries */
	+static zend_function_entry php_phongo_encryptionexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_encryptionexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "EncryptionException", php_phongo_encryptionexception_me);
	+ php_phongo_encryptionexception_ce = zend_register_internal_class_ex(&ce, php_phongo_runtimeexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/Exception.c b/mongodb-1.13.0/src/MongoDB/Exception/Exception.c
	new file mode 100644
	index 00000000..3a3705a8
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/Exception.c
	@@ -0,0 +1,37 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <zend_exceptions.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_exception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\Exception function entries */
	+static zend_function_entry php_phongo_exception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_exception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "Exception", php_phongo_exception_me);
	+ php_phongo_exception_ce = zend_register_internal_interface(&ce);
	+ zend_class_implements(php_phongo_exception_ce, 1, zend_ce_throwable);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/ExecutionTimeoutException.c b/mongodb-1.13.0/src/MongoDB/Exception/ExecutionTimeoutException.c
	new file mode 100644
	index 00000000..dd4d16ef
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/ExecutionTimeoutException.c
	@@ -0,0 +1,36 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_executiontimeoutexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\ExecutionTimeoutException function entries */
	+static zend_function_entry php_phongo_executiontimeoutexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_executiontimeoutexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ExecutionTimeoutException", php_phongo_executiontimeoutexception_me);
	+ php_phongo_executiontimeoutexception_ce = zend_register_internal_class_ex(&ce, php_phongo_serverexception_ce);
	+ PHONGO_CE_FINAL(php_phongo_executiontimeoutexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/InvalidArgumentException.c b/mongodb-1.13.0/src/MongoDB/Exception/InvalidArgumentException.c
	new file mode 100644
	index 00000000..515e3062
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/InvalidArgumentException.c
	@@ -0,0 +1,37 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <ext/spl/spl_exceptions.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_invalidargumentexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\InvalidArgumentException function entries */
	+static zend_function_entry php_phongo_invalidargumentexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_invalidargumentexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "InvalidArgumentException", php_phongo_invalidargumentexception_me);
	+ php_phongo_invalidargumentexception_ce = zend_register_internal_class_ex(&ce, spl_ce_InvalidArgumentException);
	+ zend_class_implements(php_phongo_invalidargumentexception_ce, 1, php_phongo_exception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/LogicException.c b/mongodb-1.13.0/src/MongoDB/Exception/LogicException.c
	new file mode 100644
	index 00000000..5970953f
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/LogicException.c
	@@ -0,0 +1,37 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <ext/spl/spl_exceptions.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_logicexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\LogicException function entries */
	+static zend_function_entry php_phongo_logicexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_logicexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "LogicException", php_phongo_logicexception_me);
	+ php_phongo_logicexception_ce = zend_register_internal_class_ex(&ce, spl_ce_LogicException);
	+ zend_class_implements(php_phongo_logicexception_ce, 1, php_phongo_exception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/RuntimeException.c b/mongodb-1.13.0/src/MongoDB/Exception/RuntimeException.c
	new file mode 100644
	index 00000000..e06e70c5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/RuntimeException.c
	@@ -0,0 +1,96 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <ext/spl/spl_exceptions.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_runtimeexception_ce;
	+
	+static bool php_phongo_has_string_array_element(zval* labels, char* label)
	+{
	+ HashTable* ht_data;
	+
	+ if (Z_TYPE_P(labels) != IS_ARRAY) {
	+ return false;
	+ }
	+
	+ ht_data = HASH_OF(labels);
	+
	+ {
	+ zval* z_label;
	+
	+ ZEND_HASH_FOREACH_VAL_IND(ht_data, z_label)
	+ {
	+ if ((Z_TYPE_P(z_label) == IS_STRING) && (strcmp(Z_STRVAL_P(z_label), label) == 0)) {
	+ return true;
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+
	+ return false;
	+}
	+
	+/* {{{ proto bool MongoDB\Driver\Exception\RuntimeException::hasErrorLabel(string $label)
	+ Returns whether a specific error label has been set */
	+static PHP_METHOD(RuntimeException, hasErrorLabel)
	+{
	+ zend_error_handling error_handling;
	+ char* label;
	+ size_t label_len;
	+ zval* error_labels;
	+ zval rv;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &label, &label_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ error_labels = zend_read_property(php_phongo_runtimeexception_ce, PHONGO_COMPAT_OBJ_P(getThis()), ZEND_STRL("errorLabels"), 0, &rv);
	+
	+ RETURN_BOOL(php_phongo_has_string_array_element(error_labels, label));
	+} /* }}} */
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_RuntimeException_hasErrorLabel, 0, 0, 1)
	+ ZEND_ARG_INFO(0, label)
	+ZEND_END_ARG_INFO()
	+
	+/* {{{ MongoDB\Driver\Exception\RuntimeException function entries */
	+static zend_function_entry php_phongo_runtimeexception_me[] = {
	+ /* clang-format off */
	+ PHP_ME(RuntimeException, hasErrorLabel, ai_RuntimeException_hasErrorLabel, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_runtimeexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "RuntimeException", php_phongo_runtimeexception_me);
	+ php_phongo_runtimeexception_ce = zend_register_internal_class_ex(&ce, spl_ce_RuntimeException);
	+ zend_class_implements(php_phongo_runtimeexception_ce, 1, php_phongo_exception_ce);
	+
	+ zend_declare_property_null(php_phongo_runtimeexception_ce, ZEND_STRL("errorLabels"), ZEND_ACC_PROTECTED);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/SSLConnectionException.c b/mongodb-1.13.0/src/MongoDB/Exception/SSLConnectionException.c
	new file mode 100644
	index 00000000..31f98a3a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/SSLConnectionException.c
	@@ -0,0 +1,36 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_sslconnectionexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\SSLConnectionException function entries */
	+static zend_function_entry php_phongo_sslconnectionexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_sslconnectionexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "SSLConnectionException", php_phongo_sslconnectionexception_me);
	+ php_phongo_sslconnectionexception_ce = zend_register_internal_class_ex(&ce, php_phongo_connectionexception_ce);
	+ PHONGO_CE_FINAL(php_phongo_sslconnectionexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/ServerException.c b/mongodb-1.13.0/src/MongoDB/Exception/ServerException.c
	new file mode 100644
	index 00000000..fdd5df60
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/ServerException.c
	@@ -0,0 +1,35 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_serverexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\ServerException function entries */
	+static zend_function_entry php_phongo_serverexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_serverexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "ServerException", php_phongo_serverexception_me);
	+ php_phongo_serverexception_ce = zend_register_internal_class_ex(&ce, php_phongo_runtimeexception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/UnexpectedValueException.c b/mongodb-1.13.0/src/MongoDB/Exception/UnexpectedValueException.c
	new file mode 100644
	index 00000000..b4e0f9f4
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/UnexpectedValueException.c
	@@ -0,0 +1,37 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <ext/spl/spl_exceptions.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_unexpectedvalueexception_ce;
	+
	+/* {{{ MongoDB\Driver\Exception\UnexpectedValueException function entries */
	+static zend_function_entry php_phongo_unexpectedvalueexception_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_unexpectedvalueexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "UnexpectedValueException", php_phongo_unexpectedvalueexception_me);
	+ php_phongo_unexpectedvalueexception_ce = zend_register_internal_class_ex(&ce, spl_ce_UnexpectedValueException);
	+ zend_class_implements(php_phongo_unexpectedvalueexception_ce, 1, php_phongo_exception_ce);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Exception/WriteException.c b/mongodb-1.13.0/src/MongoDB/Exception/WriteException.c
	new file mode 100644
	index 00000000..ecad4a32
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Exception/WriteException.c
	@@ -0,0 +1,65 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_writeexception_ce;
	+
	+/* {{{ proto MongoDB\Driver\WriteResult MongoDB\Driver\Exception\WriteException::getWriteResult()
	+ Returns the WriteResult from the failed write operation. */
	+static PHP_METHOD(WriteException, getWriteResult)
	+{
	+ zend_error_handling error_handling;
	+ zval* writeresult;
	+ zval rv;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ writeresult = zend_read_property(php_phongo_writeexception_ce, PHONGO_COMPAT_OBJ_P(getThis()), ZEND_STRL("writeResult"), 0, &rv);
	+
	+ RETURN_ZVAL(writeresult, 1, 0);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Exception\WriteException function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteException_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_writeexception_me[] = {
	+ /* clang-format off */
	+ PHP_ME(WriteException, getWriteResult, ai_WriteException_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_writeexception_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Exception", "WriteException", php_phongo_writeexception_me);
	+ php_phongo_writeexception_ce = zend_register_internal_class_ex(&ce, php_phongo_serverexception_ce);
	+ php_phongo_writeexception_ce->ce_flags \|= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
	+
	+ zend_declare_property_null(php_phongo_writeexception_ce, ZEND_STRL("writeResult"), ZEND_ACC_PROTECTED);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Manager.c b/mongodb-1.13.0/src/MongoDB/Manager.c
	new file mode 100644
	index 00000000..5e85e043
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Manager.c
	@@ -0,0 +1,1022 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <ext/standard/file.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_apm.h"
	+#include "phongo_client.h"
	+#include "phongo_error.h"
	+#include "phongo_execute.h"
	+#include "phongo_util.h"
	+
	+#include "MongoDB/ClientEncryption.h"
	+#include "MongoDB/ReadConcern.h"
	+#include "MongoDB/ReadPreference.h"
	+#include "MongoDB/Server.h"
	+#include "MongoDB/Session.h"
	+#include "MongoDB/WriteConcern.h"
	+
	+#define PHONGO_MANAGER_URI_DEFAULT "mongodb://127.0.0.1/"
	+
	+/**
	+ * Manager abstracts a cluster of Server objects (i.e. socket connections).
	+ *
	+ * Typically, users will connect to a cluster using a URI, and the Manager will
	+ * perform tasks such as replica set discovery and create the necessary Server
	+ * objects. That said, it is also possible to create a Manager with an arbitrary
	+ * collection of Server objects using the static factory method (this can be
	+ * useful for testing or administration).
	+ *
	+ * Operation methods do not take socket-level options (e.g. socketTimeoutMS).
	+ * Those options should be specified during construction.
	+ */
	+zend_class_entry* php_phongo_manager_ce;
	+
	+/* Checks if driverOptions contains a stream context resource in the "context"
	+ * key and incorporates any of its SSL options into the base array that did not
	+ * already exist (i.e. array union). The "context" key is then unset from the
	+ * base array.
	+ *
	+ * This handles the merging of any legacy SSL context options and also makes
	+ * driverOptions suitable for serialization by removing the resource zval. */
	+static bool php_phongo_manager_merge_context_options(zval* zdriverOptions) /* {{{ */
	+{
	+ php_stream_context* context;
	+ zval * zcontext, *zcontextOptions;
	+
	+ if (!php_array_existsc(zdriverOptions, "context")) {
	+ return true;
	+ }
	+
	+ zcontext = php_array_fetchc(zdriverOptions, "context");
	+ context = php_stream_context_from_zval(zcontext, 1);
	+
	+ if (!context) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"context\" driver option is not a valid Stream-Context resource");
	+ return false;
	+ }
	+
	+ zcontextOptions = php_array_fetchc_array(&context->options, "ssl");
	+
	+ if (!zcontextOptions) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Stream-Context resource does not contain \"ssl\" options array");
	+ return false;
	+ }
	+
	+ /* When running PHP in debug mode, php_error_docref duplicates the current
	+ * scope, leading to a COW violation in zend_hash_merge and
	+ * zend_symtable_str_del (called by php_array_unsetc). This macro allows
	+ * that violation in debug mode and is a NOOP when in non-debug. */
	+ HT_ALLOW_COW_VIOLATION(Z_ARRVAL_P(zdriverOptions));
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"context\" driver option is deprecated.");
	+
	+ /* Perform array union (see: add_function() in zend_operators.c) */
	+ zend_hash_merge(Z_ARRVAL_P(zdriverOptions), Z_ARRVAL_P(zcontextOptions), zval_add_ref, 0);
	+
	+ php_array_unsetc(zdriverOptions, "context");
	+
	+ return true;
	+} /* }}} */
	+
	+/* Prepare authMechanismProperties for BSON encoding by converting a boolean
	+ * value for the "CANONICALIZE_HOST_NAME" option to a string.
	+ *
	+ * Note: URI options are case-insensitive, so we must iterate through the
	+ * HashTable in order to detect options. */
	+static void php_phongo_manager_prep_authmechanismproperties(zval* properties) /* {{{ */
	+{
	+ HashTable* ht_data;
	+
	+ if (Z_TYPE_P(properties) != IS_ARRAY && Z_TYPE_P(properties) != IS_OBJECT) {
	+ return;
	+ }
	+
	+ ht_data = HASH_OF(properties);
	+
	+ {
	+ zend_string* string_key = NULL;
	+ zend_ulong num_key = 0;
	+ zval* property;
	+
	+ ZEND_HASH_FOREACH_KEY_VAL_IND(ht_data, num_key, string_key, property)
	+ {
	+ if (!string_key) {
	+ continue;
	+ }
	+
	+ /* URI options are case-insensitive */
	+ if (!strcasecmp(ZSTR_VAL(string_key), "CANONICALIZE_HOST_NAME")) {
	+ ZVAL_DEREF(property);
	+ if (Z_TYPE_P(property) != IS_STRING && zend_is_true(property)) {
	+ SEPARATE_ZVAL_NOREF(property);
	+ ZVAL_NEW_STR(property, zend_string_init(ZEND_STRL("true"), 0));
	+ }
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+} /* }}} */
	+
	+/* Prepare URI options for BSON encoding.
	+ *
	+ * Read preference tag sets must be an array of documents. In order to ensure
	+ * that empty arrays serialize as empty documents, array elements will be
	+ * converted to objects. php_phongo_read_preference_tags_are_valid() handles
	+ * actual validation of the tag set structure.
	+ *
	+ * Auth mechanism properties must have string values, so a boolean true value
	+ * for the "CANONICALIZE_HOST_NAME" property will be converted to "true".
	+ *
	+ * Note: URI options are case-insensitive, so we must iterate through the
	+ * HashTable in order to detect options. */
	+static void php_phongo_manager_prep_uri_options(zval* options) /* {{{ */
	+{
	+ HashTable* ht_data;
	+
	+ if (Z_TYPE_P(options) != IS_ARRAY) {
	+ return;
	+ }
	+
	+ ht_data = HASH_OF(options);
	+
	+ {
	+ zend_string* string_key = NULL;
	+ zend_ulong num_key = 0;
	+ zval* option;
	+
	+ ZEND_HASH_FOREACH_KEY_VAL_IND(ht_data, num_key, string_key, option)
	+ {
	+ if (!string_key) {
	+ continue;
	+ }
	+
	+ if (!strcasecmp(ZSTR_VAL(string_key), MONGOC_URI_READPREFERENCETAGS)) {
	+ ZVAL_DEREF(option);
	+ SEPARATE_ZVAL_NOREF(option);
	+ php_phongo_read_preference_prep_tagsets(option);
	+ continue;
	+ }
	+
	+ if (!strcasecmp(ZSTR_VAL(string_key), MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	+ ZVAL_DEREF(option);
	+ SEPARATE_ZVAL_NOREF(option);
	+ php_phongo_manager_prep_authmechanismproperties(option);
	+ continue;
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+} /* }}} */
	+
	+/* Selects a server for an execute method. If "for_writes" is true, a primary
	+ * will be selected. Otherwise, a read preference will be used to select the
	+ * server. If zreadPreference is NULL, the client's read preference will be
	+ * used. If zsession is a session object in a sharded transaction, the session
	+ * will be checked whether it is pinned to a server. If so, that server will be
	+ * selected. Otherwise, server selection
	+ *
	+ * On success, server_id will be set and the function will return true;
	+ * otherwise, false is returned and an exception is thrown. */
	+static bool php_phongo_manager_select_server(bool for_writes, bool inherit_read_preference, zval* zreadPreference, zval* zsession, mongoc_client_t* client, uint32_t* server_id) /* {{{ */
	+{
	+ mongoc_server_description_t* selected_server;
	+ const mongoc_read_prefs_t* read_preference = NULL;
	+ bson_error_t error = { 0 };
	+
	+ if (zsession) {
	+ const mongoc_client_session_t* session = Z_SESSION_OBJ_P(zsession)->client_session;
	+
	+ /* Attempt to fetch server pinned to session */
	+ if (mongoc_client_session_get_server_id(session) > 0) {
	+ *server_id = mongoc_client_session_get_server_id(session);
	+
	+ return true;
	+ }
	+ }
	+
	+ if (!for_writes) {
	+ if (zreadPreference) {
	+ read_preference = phongo_read_preference_from_zval(zreadPreference);
	+ } else if (inherit_read_preference) {
	+ read_preference = mongoc_client_get_read_prefs(client);
	+ }
	+ }
	+
	+ selected_server = mongoc_client_select_server(client, for_writes, read_preference, &error);
	+
	+ if (selected_server) {
	+ *server_id = mongoc_server_description_id(selected_server);
	+ mongoc_server_description_destroy(selected_server);
	+
	+ return true;
	+ }
	+
	+ /* Check for connection related exceptions */
	+ if (!EG(exception)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ }
	+
	+ return false;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Manager::__construct([string $uri = "mongodb://127.0.0.1/"[, array $options = array()[, array $driverOptions = array()]]])
	+ Constructs a new Manager */
	+static PHP_METHOD(Manager, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* uri_string = NULL;
	+ size_t uri_string_len = 0;
	+ zval* options = NULL;
	+ zval* driverOptions = NULL;
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ /* Separate the options and driverOptions zvals, since we may end up
	+ * modifying them in php_phongo_manager_prep_uri_options() and
	+ * php_phongo_manager_merge_context_options() below, respectively. */
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|s!a/!a/!", &uri_string, &uri_string_len, &options, &driverOptions) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (options) {
	+ php_phongo_manager_prep_uri_options(options);
	+ }
	+
	+ if (driverOptions && !php_phongo_manager_merge_context_options(driverOptions)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ phongo_manager_init(intern, uri_string ? uri_string : PHONGO_MANAGER_URI_DEFAULT, options, driverOptions);
	+
	+ if (EG(exception)) {
	+ return;
	+ }
	+
	+ /* Update the request-scoped Manager registry */
	+ if (!php_phongo_manager_register(intern)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Failed to add Manager to internal registry");
	+ }
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Manager::addSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	+ Registers an event subscriber for this Manager */
	+static PHP_METHOD(Manager, addSubscriber)
	+{
	+ php_phongo_manager_t* intern;
	+ zval* subscriber;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ /* Lazily initialize the subscriber HashTable */
	+ if (!intern->subscribers) {
	+ ALLOC_HASHTABLE(intern->subscribers);
	+ zend_hash_init(intern->subscribers, 0, NULL, ZVAL_PTR_DTOR, 0);
	+ }
	+
	+ phongo_apm_add_subscriber(intern->subscribers, subscriber);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ClientEncryption MongoDB\Driver\Manager::createClientEncryption(array $options)
	+ Return a ClientEncryption instance */
	+static PHP_METHOD(Manager, createClientEncryption)
	+{
	+ zend_error_handling error_handling;
	+ zval* options;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ /* An exception will be thrown on error. */
	+ phongo_clientencryption_init(return_value, getThis(), options);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	+ Execute a Command */
	+static PHP_METHOD(Manager, executeCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+ bool free_options = false;
	+ zval* zreadPreference = NULL;
	+ zval* zsession = NULL;
	+ uint32_t server_id = 0;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	+
	+ if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!phongo_parse_read_preference(options, &zreadPreference)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_manager_select_server(false, false, zreadPreference, zsession, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ /* If the Manager was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ phongo_execute_command(getThis(), PHONGO_COMMAND_RAW, db, command, options, server_id, return_value);
	+
	+cleanup:
	+ if (free_options) {
	+ php_phongo_prep_legacy_option_free(options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeReadCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	+ Execute a ReadCommand */
	+static PHP_METHOD(Manager, executeReadCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+ zval* zreadPreference = NULL;
	+ uint32_t server_id = 0;
	+ zval* zsession = NULL;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ if (!phongo_parse_read_preference(options, &zreadPreference)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ if (!php_phongo_manager_select_server(false, true, zreadPreference, zsession, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ /* If the Manager was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ phongo_execute_command(getThis(), PHONGO_COMMAND_READ, db, command, options, server_id, return_value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	+ Execute a WriteCommand */
	+static PHP_METHOD(Manager, executeWriteCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+ uint32_t server_id = 0;
	+ zval* zsession = NULL;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ if (!php_phongo_manager_select_server(true, false, NULL, zsession, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ /* If the Manager was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ phongo_execute_command(getThis(), PHONGO_COMMAND_WRITE, db, command, options, server_id, return_value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeReadWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null])
	+ Execute a ReadWriteCommand */
	+static PHP_METHOD(Manager, executeReadWriteCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+ uint32_t server_id = 0;
	+ zval* zsession = NULL;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ if (!php_phongo_manager_select_server(true, false, NULL, zsession, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ /* If the Manager was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ phongo_execute_command(getThis(), PHONGO_COMMAND_READ_WRITE, db, command, options, server_id, return_value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeQuery(string $namespace, MongoDB\Driver\Query $query[, array $options = null])
	+ Execute a Query */
	+static PHP_METHOD(Manager, executeQuery)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* namespace;
	+ size_t namespace_len;
	+ zval* query;
	+ zval* options = NULL;
	+ bool free_options = false;
	+ zval* zreadPreference = NULL;
	+ uint32_t server_id = 0;
	+ zval* zsession = NULL;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &query, php_phongo_query_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	+
	+ if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!phongo_parse_read_preference(options, &zreadPreference)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_manager_select_server(false, true, zreadPreference, zsession, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ /* If the Manager was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ phongo_execute_query(getThis(), namespace, query, options, server_id, return_value);
	+
	+cleanup:
	+ if (free_options) {
	+ php_phongo_prep_legacy_option_free(options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\WriteResult MongoDB\Driver\Manager::executeBulkWrite(string $namespace, MongoDB\Driver\BulkWrite $zbulk[, array $options = null])
	+ Executes a BulkWrite (i.e. any number of insert, update, and delete ops) */
	+static PHP_METHOD(Manager, executeBulkWrite)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ char* namespace;
	+ size_t namespace_len;
	+ zval* zbulk;
	+ php_phongo_bulkwrite_t* bulk;
	+ zval* options = NULL;
	+ bool free_options = false;
	+ uint32_t server_id = 0;
	+ zval* zsession = NULL;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &zbulk, php_phongo_bulkwrite_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+ bulk = Z_BULKWRITE_OBJ_P(zbulk);
	+
	+ options = php_phongo_prep_legacy_option(options, "writeConcern", &free_options);
	+
	+ if (!phongo_parse_session(options, intern->client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ if (!php_phongo_manager_select_server(true, false, NULL, zsession, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that its session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ phongo_execute_bulk_write(getThis(), namespace, bulk, options, server_id, return_value);
	+
	+cleanup:
	+ if (free_options) {
	+ php_phongo_prep_legacy_option_free(options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ReadConcern MongoDB\Driver\Manager::getReadConcern()
	+ Returns the ReadConcern associated with this Manager */
	+static PHP_METHOD(Manager, getReadConcern)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_readconcern_init(return_value, mongoc_client_get_read_concern(intern->client));
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ReadPreference MongoDB\Driver\Manager::getReadPreference()
	+ Returns the ReadPreference associated with this Manager */
	+static PHP_METHOD(Manager, getReadPreference)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_readpreference_init(return_value, mongoc_client_get_read_prefs(intern->client));
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server[] MongoDB\Driver\Manager::getServers()
	+ Returns the Servers associated with this Manager */
	+static PHP_METHOD(Manager, getServers)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ mongoc_server_description_t** sds;
	+ size_t i, n = 0;
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sds = mongoc_client_get_server_descriptions(intern->client, &n);
	+ array_init_size(return_value, n);
	+
	+ for (i = 0; i < n; i++) {
	+ zval obj;
	+
	+ phongo_server_init(&obj, getThis(), mongoc_server_description_id(sds[i]));
	+ add_next_index_zval(return_value, &obj);
	+ }
	+
	+ mongoc_server_descriptions_destroy_all(sds, n);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\WriteConcern MongoDB\Driver\Manager::getWriteConcern()
	+ Returns the WriteConcern associated with this Manager */
	+static PHP_METHOD(Manager, getWriteConcern)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_writeconcern_init(return_value, mongoc_client_get_write_concern(intern->client));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Manager::removeSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	+ Unregisters an event subscriber for this Manager */
	+static PHP_METHOD(Manager, removeSubscriber)
	+{
	+ php_phongo_manager_t* intern;
	+ zval* subscriber;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ /* NOP if subscribers HashTable was never initialized by addSubscriber */
	+ if (!intern->subscribers) {
	+ return;
	+ }
	+
	+ phongo_apm_remove_subscriber(intern->subscribers, subscriber);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server MongoDB\Driver\Manager::selectServers([MongoDB\Driver\ReadPreference $readPreference = null])
	+ Selects a Server for the given ReadPreference (default: primary). */
	+static PHP_METHOD(Manager, selectServer)
	+{
	+ php_phongo_manager_t* intern;
	+ zval* zreadPreference = NULL;
	+ uint32_t server_id = 0;
	+
	+ PHONGO_PARSE_PARAMETERS_START(0, 1)
	+ Z_PARAM_OPTIONAL
	+ Z_PARAM_OBJECT_OF_CLASS_OR_NULL(zreadPreference, php_phongo_readpreference_ce)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ if (!php_phongo_manager_select_server(false, false, zreadPreference, NULL, intern->client, &server_id)) {
	+ /* Exception should already have been thrown */
	+ return;
	+ }
	+
	+ phongo_server_init(return_value, getThis(), server_id);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Session MongoDB\Driver\Manager::startSession([array $options = null])
	+ Returns a new client session */
	+static PHP_METHOD(Manager, startSession)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_manager_t* intern;
	+ zval* options = NULL;
	+ mongoc_session_opt_t* cs_opts = NULL;
	+ mongoc_client_session_t* cs;
	+ bson_error_t error = { 0 };
	+ mongoc_transaction_opt_t* txn_opts = NULL;
	+
	+ intern = Z_MANAGER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|a!", &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (options && php_array_existsc(options, "causalConsistency")) {
	+ cs_opts = mongoc_session_opts_new();
	+ mongoc_session_opts_set_causal_consistency(cs_opts, php_array_fetchc_bool(options, "causalConsistency"));
	+ }
	+
	+ if (options && php_array_existsc(options, "defaultTransactionOptions")) {
	+ zval* txn_options = php_array_fetchc(options, "defaultTransactionOptions");
	+
	+ /* Thrown exception and return if the defaultTransactionOptions is not an array */
	+ if (Z_TYPE_P(txn_options) != IS_ARRAY) {
	+ phongo_throw_exception(
	+ PHONGO_ERROR_INVALID_ARGUMENT,
	+ "Expected \"defaultTransactionOptions\" option to be an array, %s given",
	+ PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(txn_options));
	+ goto cleanup;
	+ }
	+
	+ /* Parse transaction options */
	+ txn_opts = php_mongodb_session_parse_transaction_options(txn_options);
	+
	+ /* If an exception is thrown while parsing, the txn_opts struct is also
	+ * NULL, so no need to free it here */
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ /* If the options are non-empty, add them to the client session opts struct */
	+ if (txn_opts) {
	+ if (!cs_opts) {
	+ cs_opts = mongoc_session_opts_new();
	+ }
	+
	+ mongoc_session_opts_set_default_transaction_opts(cs_opts, txn_opts);
	+ mongoc_transaction_opts_destroy(txn_opts);
	+ }
	+ }
	+
	+ if (options && php_array_existsc(options, "snapshot")) {
	+ if (!cs_opts) {
	+ cs_opts = mongoc_session_opts_new();
	+ }
	+ mongoc_session_opts_set_snapshot(cs_opts, php_array_fetchc_bool(options, "snapshot"));
	+ }
	+
	+ if (cs_opts && mongoc_session_opts_get_causal_consistency(cs_opts) && mongoc_session_opts_get_snapshot(cs_opts)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Only one of \"causalConsistency\" and \"snapshot\" can be enabled");
	+ goto cleanup;
	+ }
	+
	+ /* If the Manager was created in a different process, reset the client so
	+ * that its session pool is cleared. This will ensure that we do not re-use
	+ * a server session (i.e. LSID) created by a parent process. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, intern);
	+
	+ cs = mongoc_client_start_session(intern->client, cs_opts, &error);
	+
	+ if (cs) {
	+ phongo_session_init(return_value, getThis(), cs);
	+ } else {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ }
	+
	+cleanup:
	+ if (cs_opts) {
	+ mongoc_session_opts_destroy(cs_opts);
	+ }
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Manager function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager___construct, 0, 0, 0)
	+ ZEND_ARG_INFO(0, uri)
	+ ZEND_ARG_ARRAY_INFO(0, options, 0)
	+ ZEND_ARG_ARRAY_INFO(0, driverOptions, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_addSubscriber, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, subscriber, MongoDB\\Driver\\Monitoring\\Subscriber, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_createClientEncryption, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, options, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeCommand, 0, 0, 2)
	+ ZEND_ARG_INFO(0, db)
	+ ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	+ ZEND_ARG_INFO(0, options)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeRWCommand, 0, 0, 2)
	+ ZEND_ARG_INFO(0, db)
	+ ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	+ ZEND_ARG_ARRAY_INFO(0, options, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeQuery, 0, 0, 2)
	+ ZEND_ARG_INFO(0, namespace)
	+ ZEND_ARG_OBJ_INFO(0, zquery, MongoDB\\Driver\\Query, 0)
	+ ZEND_ARG_INFO(0, options)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_executeBulkWrite, 0, 0, 2)
	+ ZEND_ARG_INFO(0, namespace)
	+ ZEND_ARG_OBJ_INFO(0, zbulk, MongoDB\\Driver\\BulkWrite, 0)
	+ ZEND_ARG_INFO(0, options)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_removeSubscriber, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, subscriber, MongoDB\\Driver\\Monitoring\\Subscriber, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_selectServer, 0, 0, 0)
	+ ZEND_ARG_OBJ_INFO(0, readPreference, MongoDB\\Driver\\ReadPreference, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_startSession, 0, 0, 0)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Manager_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_manager_me[] = {
	+ /* clang-format off */
	+ PHP_ME(Manager, __construct, ai_Manager___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, addSubscriber, ai_Manager_addSubscriber, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, createClientEncryption, ai_Manager_createClientEncryption, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, executeCommand, ai_Manager_executeCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, executeReadCommand, ai_Manager_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, executeWriteCommand, ai_Manager_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, executeReadWriteCommand, ai_Manager_executeCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, executeQuery, ai_Manager_executeQuery, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, executeBulkWrite, ai_Manager_executeBulkWrite, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, getReadConcern, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, getReadPreference, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, getServers, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, getWriteConcern, ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, removeSubscriber, ai_Manager_removeSubscriber, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, selectServer, ai_Manager_selectServer, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Manager, startSession, ai_Manager_startSession, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Manager_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Manager object handlers */
	+static zend_object_handlers php_phongo_handler_manager;
	+
	+static void php_phongo_manager_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_manager_t* intern = Z_OBJ_MANAGER(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->client) {
	+ /* Request-scoped clients will be removed from the registry and
	+ * destroyed. This is a NOP for persistent clients. The return value is
	+ * ignored because we can't reasonably report an error here. On the off
	+ * chance any request-scoped clients are missed, they will ultimately be
	+ * destroyed in RSHUTDOWN along with the registry HashTable. */
	+ php_phongo_client_unregister(intern);
	+ }
	+
	+ /* Update the request-scoped Manager registry. The return value is ignored
	+ * because it's possible that the Manager was never registered due to a
	+ * constructor exception.
	+ *
	+ * Note: this is done after unregistering a request-scoped client to ensure
	+ * APM events can be observed by per-client subscribers, which are collected
	+ * in phongo_apm_get_subscribers_to_notify. */
	+ php_phongo_manager_unregister(intern);
	+
	+ if (intern->client_hash) {
	+ efree(intern->client_hash);
	+ }
	+
	+ /* Free the keyVaultClient last to ensure that potential non-persistent
	+ * clients are destroyed in the correct order */
	+ if (!Z_ISUNDEF(intern->key_vault_client_manager)) {
	+ zval_ptr_dtor(&intern->key_vault_client_manager);
	+ }
	+
	+ if (intern->subscribers) {
	+ zend_hash_destroy(intern->subscribers);
	+ FREE_HASHTABLE(intern->subscribers);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_manager_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_manager_t* intern = zend_object_alloc(sizeof(php_phongo_manager_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ PHONGO_SET_CREATED_BY_PID(intern);
	+
	+ intern->std.handlers = &php_phongo_handler_manager;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_manager_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_manager_t* intern;
	+ mongoc_server_description_t** sds;
	+ size_t i, n = 0;
	+ zval retval = ZVAL_STATIC_INIT;
	+ zval cluster;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_MANAGER(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init_size(&retval, 2);
	+
	+ ADD_ASSOC_STRING(&retval, "uri", mongoc_uri_get_string(mongoc_client_get_uri(intern->client)));
	+
	+ sds = mongoc_client_get_server_descriptions(intern->client, &n);
	+
	+ array_init_size(&cluster, n);
	+
	+ for (i = 0; i < n; i++) {
	+ zval obj;
	+
	+ if (!php_phongo_server_to_zval(&obj, intern->client, sds[i])) {
	+ /* Exception already thrown */
	+ zval_ptr_dtor(&obj);
	+ zval_ptr_dtor(&cluster);
	+ goto done;
	+ }
	+
	+ add_next_index_zval(&cluster, &obj);
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "cluster", &cluster);
	+
	+done:
	+ mongoc_server_descriptions_destroy_all(sds, n);
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_manager_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Manager", php_phongo_manager_me);
	+ php_phongo_manager_ce = zend_register_internal_class(&ce);
	+ php_phongo_manager_ce->create_object = php_phongo_manager_create_object;
	+ PHONGO_CE_FINAL(php_phongo_manager_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_manager_ce);
	+
	+ memcpy(&php_phongo_handler_manager, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_manager.get_debug_info = php_phongo_manager_get_debug_info;
	+ php_phongo_handler_manager.free_obj = php_phongo_manager_free_object;
	+ php_phongo_handler_manager.offset = XtOffsetOf(php_phongo_manager_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/CommandFailedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandFailedEvent.c
	new file mode 100644
	index 00000000..4d710e28
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandFailedEvent.c
	@@ -0,0 +1,325 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+#include "MongoDB/Server.h"
	+
	+zend_class_entry* php_phongo_commandfailedevent_ce;
	+
	+/* {{{ proto string CommandFailedEvent::getCommandName()
	+ Returns the command name for this event */
	+PHP_METHOD(CommandFailedEvent, getCommandName)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETVAL_STRING(intern->command_name);
	+} /* }}} */
	+
	+/* {{{ proto int CommandFailedEvent::getDurationMicros()
	+ Returns the event's duration in microseconds */
	+PHP_METHOD(CommandFailedEvent, getDurationMicros)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->duration_micros);
	+} /* }}} */
	+
	+/* {{{ proto Exception CommandFailedEvent::getError()
	+ Returns the error document associated with the event */
	+PHP_METHOD(CommandFailedEvent, getError)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_ZVAL(&intern->z_error, 1, 0);
	+} /* }}} */
	+
	+/* {{{ proto string CommandFailedEvent::getOperationId()
	+ Returns the event's operation ID */
	+PHP_METHOD(CommandFailedEvent, getOperationId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+ char int_as_string[20];
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sprintf(int_as_string, "%" PRIu64, intern->operation_id);
	+ RETVAL_STRING(int_as_string);
	+} /* }}} */
	+
	+/* {{{ proto stdClass CommandFailedEvent::getReply()
	+ Returns the reply document associated with the event */
	+PHP_METHOD(CommandFailedEvent, getReply)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto string CommandFailedEvent::getRequestId()
	+ Returns the event's request ID */
	+PHP_METHOD(CommandFailedEvent, getRequestId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+ char int_as_string[20];
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sprintf(int_as_string, "%" PRIu64, intern->request_id);
	+ RETVAL_STRING(int_as_string);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server CommandFailedEvent::getServer()
	+ Returns the Server from which the event originated */
	+PHP_METHOD(CommandFailedEvent, getServer)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandfailedevent_t* intern;
	+
	+ intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_server_init(return_value, &intern->manager, intern->server_id);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId\|null CommandFailedEvent::getServiceId()
	+ Returns the event's service ID */
	+PHP_METHOD(CommandFailedEvent, getServiceId)
	+{
	+ php_phongo_commandfailedevent_t* intern = Z_COMMANDFAILEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ if (!intern->has_service_id) {
	+ RETURN_NULL();
	+ }
	+
	+ phongo_objectid_init(return_value, &intern->service_id);
	+} /* }}} */
	+
	+/**
	+ * Event thrown when a command has failed to execute.
	+ *
	+ * This class is only constructed internally.
	+ */
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandFailedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandFailedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_commandfailedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CommandFailedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getCommandName, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getError, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getDurationMicros, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getOperationId, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getReply, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getRequestId, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getServer, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandFailedEvent, getServiceId, ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_CommandFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandFailedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_commandfailedevent;
	+
	+static void php_phongo_commandfailedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_commandfailedevent_t* intern = Z_OBJ_COMMANDFAILEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (!Z_ISUNDEF(intern->z_error)) {
	+ zval_ptr_dtor(&intern->z_error);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+
	+ if (intern->reply) {
	+ bson_destroy(intern->reply);
	+ }
	+
	+ if (intern->command_name) {
	+ efree(intern->command_name);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_commandfailedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_commandfailedevent_t* intern = zend_object_alloc(sizeof(php_phongo_commandfailedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_commandfailedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_commandfailedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_commandfailedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+ char operation_id[20], request_id[20];
	+ php_phongo_bson_state reply_state;
	+
	+ PHONGO_BSON_INIT_STATE(reply_state);
	+
	+ intern = Z_OBJ_COMMANDFAILEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 6);
	+
	+ ADD_ASSOC_STRING(&retval, "commandName", intern->command_name);
	+ ADD_ASSOC_INT64(&retval, "durationMicros", (int64_t) intern->duration_micros);
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "error", &intern->z_error);
	+ Z_ADDREF(intern->z_error);
	+
	+ sprintf(operation_id, "%" PRIu64, intern->operation_id);
	+ ADD_ASSOC_STRING(&retval, "operationId", operation_id);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &reply_state)) {
	+ zval_ptr_dtor(&reply_state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL(&retval, "reply", &reply_state.zchild);
	+
	+ sprintf(request_id, "%" PRIu64, intern->request_id);
	+ ADD_ASSOC_STRING(&retval, "requestId", request_id);
	+
	+ {
	+ zval server;
	+
	+ phongo_server_init(&server, &intern->manager, intern->server_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	+ }
	+
	+ if (intern->has_service_id) {
	+ zval service_id;
	+
	+ phongo_objectid_init(&service_id, &intern->service_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "serviceId", &service_id);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "serviceId");
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_commandfailedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandFailedEvent", php_phongo_commandfailedevent_me);
	+ php_phongo_commandfailedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_commandfailedevent_ce->create_object = php_phongo_commandfailedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_commandfailedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_commandfailedevent_ce);
	+
	+ memcpy(&php_phongo_handler_commandfailedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_commandfailedevent.get_debug_info = php_phongo_commandfailedevent_get_debug_info;
	+ php_phongo_handler_commandfailedevent.free_obj = php_phongo_commandfailedevent_free_object;
	+ php_phongo_handler_commandfailedevent.offset = XtOffsetOf(php_phongo_commandfailedevent_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/CommandStartedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandStartedEvent.c
	new file mode 100644
	index 00000000..3ce634e5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandStartedEvent.c
	@@ -0,0 +1,304 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+#include "MongoDB/Server.h"
	+
	+zend_class_entry* php_phongo_commandstartedevent_ce;
	+
	+/* {{{ proto stdClass CommandStartedEvent::getCommand()
	+ Returns the command document associated with the event */
	+PHP_METHOD(CommandStartedEvent, getCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandstartedevent_t* intern;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->command), intern->command->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto string CommandStartedEvent::getCommandName()
	+ Returns the command name for this event */
	+PHP_METHOD(CommandStartedEvent, getCommandName)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandstartedevent_t* intern;
	+
	+ intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETVAL_STRING(intern->command_name);
	+} /* }}} */
	+
	+/* {{{ proto string CommandStartedEvent::getDatabaseName()
	+ Returns the database name for this event */
	+PHP_METHOD(CommandStartedEvent, getDatabaseName)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandstartedevent_t* intern;
	+
	+ intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETVAL_STRING(intern->database_name);
	+} /* }}} */
	+
	+/* {{{ proto string CommandStartedEvent::getOperationId()
	+ Returns the event's operation ID */
	+PHP_METHOD(CommandStartedEvent, getOperationId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandstartedevent_t* intern;
	+ char int_as_string[20];
	+
	+ intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sprintf(int_as_string, "%" PRIu64, intern->operation_id);
	+ RETVAL_STRING(int_as_string);
	+} /* }}} */
	+
	+/* {{{ proto string CommandStartedEvent::getRequestId()
	+ Returns the event's request ID */
	+PHP_METHOD(CommandStartedEvent, getRequestId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandstartedevent_t* intern;
	+ char int_as_string[20];
	+
	+ intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sprintf(int_as_string, "%" PRIu64, intern->request_id);
	+ RETVAL_STRING(int_as_string);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server CommandStartedEvent::getServer()
	+ Returns the Server from which the event originated */
	+PHP_METHOD(CommandStartedEvent, getServer)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandstartedevent_t* intern;
	+
	+ intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_server_init(return_value, &intern->manager, intern->server_id);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId\|null CommandStartedEvent::getServiceId()
	+ Returns the event's service ID */
	+PHP_METHOD(CommandStartedEvent, getServiceId)
	+{
	+ php_phongo_commandstartedevent_t* intern = Z_COMMANDSTARTEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ if (!intern->has_service_id) {
	+ RETURN_NULL();
	+ }
	+
	+ phongo_objectid_init(return_value, &intern->service_id);
	+} /* }}} */
	+
	+/**
	+ * Event thrown when a command has started to execute.
	+ *
	+ * This class is only constructed internally.
	+ */
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandStartedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandStartedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_commandstartedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CommandStartedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getCommand, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getCommandName, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getDatabaseName, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getOperationId, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getRequestId, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getServer, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandStartedEvent, getServiceId, ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_CommandStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandStartedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_commandstartedevent;
	+
	+static void php_phongo_commandstartedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_commandstartedevent_t* intern = Z_OBJ_COMMANDSTARTEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+
	+ if (intern->command) {
	+ bson_destroy(intern->command);
	+ }
	+
	+ if (intern->command_name) {
	+ efree(intern->command_name);
	+ }
	+
	+ if (intern->database_name) {
	+ efree(intern->database_name);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_commandstartedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_commandstartedevent_t* intern = zend_object_alloc(sizeof(php_phongo_commandstartedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_commandstartedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_commandstartedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_commandstartedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+ char operation_id[20], request_id[20];
	+ php_phongo_bson_state command_state;
	+
	+ PHONGO_BSON_INIT_STATE(command_state);
	+
	+ intern = Z_OBJ_COMMANDSTARTEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 6);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->command), intern->command->len, &command_state)) {
	+ zval_ptr_dtor(&command_state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL(&retval, "command", &command_state.zchild);
	+
	+ ADD_ASSOC_STRING(&retval, "commandName", intern->command_name);
	+ ADD_ASSOC_STRING(&retval, "databaseName", intern->database_name);
	+
	+ sprintf(operation_id, "%" PRIu64, intern->operation_id);
	+ ADD_ASSOC_STRING(&retval, "operationId", operation_id);
	+
	+ sprintf(request_id, "%" PRIu64, intern->request_id);
	+ ADD_ASSOC_STRING(&retval, "requestId", request_id);
	+
	+ {
	+ zval server;
	+
	+ phongo_server_init(&server, &intern->manager, intern->server_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	+ }
	+
	+ if (intern->has_service_id) {
	+ zval service_id;
	+
	+ phongo_objectid_init(&service_id, &intern->service_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "serviceId", &service_id);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "serviceId");
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_commandstartedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandStartedEvent", php_phongo_commandstartedevent_me);
	+ php_phongo_commandstartedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_commandstartedevent_ce->create_object = php_phongo_commandstartedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_commandstartedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_commandstartedevent_ce);
	+
	+ memcpy(&php_phongo_handler_commandstartedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_commandstartedevent.get_debug_info = php_phongo_commandstartedevent_get_debug_info;
	+ php_phongo_handler_commandstartedevent.free_obj = php_phongo_commandstartedevent_free_object;
	+ php_phongo_handler_commandstartedevent.offset = XtOffsetOf(php_phongo_commandstartedevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/CommandSubscriber.c b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandSubscriber.c
	new file mode 100644
	index 00000000..34d02eaa
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandSubscriber.c
	@@ -0,0 +1,57 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_commandsubscriber_ce;
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandSubscriber function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandSubscriber_commandStarted, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\CommandStartedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandSubscriber_commandSucceeded, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\CommandSucceededEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandSubscriber_commandFailed, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\CommandFailedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_commandsubscriber_me[] = {
	+ /* clang-format off */
	+ ZEND_ABSTRACT_ME(CommandSubscriber, commandStarted, ai_CommandSubscriber_commandStarted)
	+ ZEND_ABSTRACT_ME(CommandSubscriber, commandSucceeded, ai_CommandSubscriber_commandSucceeded)
	+ ZEND_ABSTRACT_ME(CommandSubscriber, commandFailed, ai_CommandSubscriber_commandFailed)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_commandsubscriber_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandSubscriber", php_phongo_commandsubscriber_me);
	+ php_phongo_commandsubscriber_ce = zend_register_internal_interface(&ce);
	+ zend_class_implements(php_phongo_commandsubscriber_ce, 1, php_phongo_subscriber_ce);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/CommandSucceededEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandSucceededEvent.c
	new file mode 100644
	index 00000000..3fa47b77
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/CommandSucceededEvent.c
	@@ -0,0 +1,300 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+#include "MongoDB/Server.h"
	+
	+zend_class_entry* php_phongo_commandsucceededevent_ce;
	+
	+/* {{{ proto string CommandSucceededEvent::getCommandName()
	+ Returns the command name for this event */
	+PHP_METHOD(CommandSucceededEvent, getCommandName)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandsucceededevent_t* intern;
	+
	+ intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETVAL_STRING(intern->command_name);
	+} /* }}} */
	+
	+/* {{{ proto int CommandSucceededEvent::getDurationMicros()
	+ Returns the event's duration in microseconds */
	+PHP_METHOD(CommandSucceededEvent, getDurationMicros)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandsucceededevent_t* intern;
	+
	+ intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->duration_micros);
	+} /* }}} */
	+
	+/* {{{ proto string CommandSucceededEvent::getOperationId()
	+ Returns the event's operation ID */
	+PHP_METHOD(CommandSucceededEvent, getOperationId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandsucceededevent_t* intern;
	+ char int_as_string[20];
	+
	+ intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sprintf(int_as_string, "%" PRIu64, intern->operation_id);
	+ RETVAL_STRING(int_as_string);
	+} /* }}} */
	+
	+/* {{{ proto stdClass CommandSucceededEvent::getReply()
	+ Returns the reply document associated with the event */
	+PHP_METHOD(CommandSucceededEvent, getReply)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandsucceededevent_t* intern;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto string CommandsucceededEvent::getRequestId()
	+ Returns the event's request ID */
	+PHP_METHOD(CommandSucceededEvent, getRequestId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandsucceededevent_t* intern;
	+ char int_as_string[20];
	+
	+ intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ sprintf(int_as_string, "%" PRIu64, intern->request_id);
	+ RETVAL_STRING(int_as_string);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server CommandSucceededEvent::getServer()
	+ Returns the Server from which the event originated */
	+PHP_METHOD(CommandSucceededEvent, getServer)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_commandsucceededevent_t* intern;
	+
	+ intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_server_init(return_value, &intern->manager, intern->server_id);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId\|null CommandSucceededEvent::getServiceId()
	+ Returns the event's service ID */
	+PHP_METHOD(CommandSucceededEvent, getServiceId)
	+{
	+ php_phongo_commandsucceededevent_t* intern = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ if (!intern->has_service_id) {
	+ RETURN_NULL();
	+ }
	+
	+ phongo_objectid_init(return_value, &intern->service_id);
	+} /* }}} */
	+
	+/**
	+ * Event thrown when a command has succeeded to execute.
	+ *
	+ * This class is only constructed internally.
	+ */
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandSucceededEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_CommandSucceededEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_commandsucceededevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_CommandSucceededEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getCommandName, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getDurationMicros, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getOperationId, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getReply, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getRequestId, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getServer, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(CommandSucceededEvent, getServiceId, ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_CommandSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\CommandSucceededEvent object handlers */
	+static zend_object_handlers php_phongo_handler_commandsucceededevent;
	+
	+static void php_phongo_commandsucceededevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_commandsucceededevent_t* intern = Z_OBJ_COMMANDSUCCEEDEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+
	+ if (intern->reply) {
	+ bson_destroy(intern->reply);
	+ }
	+
	+ if (intern->command_name) {
	+ efree(intern->command_name);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_commandsucceededevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_commandsucceededevent_t* intern = zend_object_alloc(sizeof(php_phongo_commandsucceededevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_commandsucceededevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_commandsucceededevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_commandsucceededevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+ char operation_id[20], request_id[20];
	+ php_phongo_bson_state reply_state;
	+
	+ PHONGO_BSON_INIT_STATE(reply_state);
	+
	+ intern = Z_OBJ_COMMANDSUCCEEDEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 6);
	+
	+ ADD_ASSOC_STRING(&retval, "commandName", intern->command_name);
	+ ADD_ASSOC_INT64(&retval, "durationMicros", (int64_t) intern->duration_micros);
	+
	+ sprintf(operation_id, "%" PRIu64, intern->operation_id);
	+ ADD_ASSOC_STRING(&retval, "operationId", operation_id);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &reply_state)) {
	+ zval_ptr_dtor(&reply_state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL(&retval, "reply", &reply_state.zchild);
	+
	+ sprintf(request_id, "%" PRIu64, intern->request_id);
	+ ADD_ASSOC_STRING(&retval, "requestId", request_id);
	+
	+ {
	+ zval server;
	+
	+ phongo_server_init(&server, &intern->manager, intern->server_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	+ }
	+
	+ if (intern->has_service_id) {
	+ zval service_id;
	+
	+ phongo_objectid_init(&service_id, &intern->service_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "serviceId", &service_id);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "serviceId");
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_commandsucceededevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "CommandSucceededEvent", php_phongo_commandsucceededevent_me);
	+ php_phongo_commandsucceededevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_commandsucceededevent_ce->create_object = php_phongo_commandsucceededevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_commandsucceededevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_commandsucceededevent_ce);
	+
	+ memcpy(&php_phongo_handler_commandsucceededevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_commandsucceededevent.get_debug_info = php_phongo_commandsucceededevent_get_debug_info;
	+ php_phongo_handler_commandsucceededevent.free_obj = php_phongo_commandsucceededevent_free_object;
	+ php_phongo_handler_commandsucceededevent.offset = XtOffsetOf(php_phongo_commandsucceededevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/SDAMSubscriber.c b/mongodb-1.13.0/src/MongoDB/Monitoring/SDAMSubscriber.c
	new file mode 100644
	index 00000000..a2e2cba9
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/SDAMSubscriber.c
	@@ -0,0 +1,87 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_sdamsubscriber_ce;
	+
	+/* {{{ MongoDB\Driver\Monitoring\SDAMSubscriber function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_serverChanged, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\ServerChangedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_serverClosed, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\ServerClosedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_serverOpening, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\ServerOpeningEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_serverHeartbeatFailed, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\ServerHeartbeatFailedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_serverHeartbeatStarted, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\ServerHeartbeatStartedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_serverHeartbeatSucceeded, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\ServerHeartbeatSucceededEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_topologyChanged, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\TopologyChangedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_topologyClosed, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\TopologyClosedEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_SDAMSubscriber_topologyOpening, 0, 0, 1)
	+ ZEND_ARG_OBJ_INFO(0, event, MongoDB\\Driver\\Monitoring\\TopologyOpeningEvent, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_sdamsubscriber_me[] = {
	+ /* clang-format off */
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, serverChanged, ai_SDAMSubscriber_serverChanged)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, serverClosed, ai_SDAMSubscriber_serverClosed)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, serverOpening, ai_SDAMSubscriber_serverOpening)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, serverHeartbeatFailed, ai_SDAMSubscriber_serverHeartbeatFailed)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, serverHeartbeatStarted, ai_SDAMSubscriber_serverHeartbeatStarted)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, serverHeartbeatSucceeded, ai_SDAMSubscriber_serverHeartbeatSucceeded)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, topologyChanged, ai_SDAMSubscriber_topologyChanged)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, topologyClosed, ai_SDAMSubscriber_topologyClosed)
	+ ZEND_ABSTRACT_ME(SDAMSubscriber, topologyOpening, ai_SDAMSubscriber_topologyOpening)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+void php_phongo_sdamsubscriber_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "SDAMSubscriber", php_phongo_sdamsubscriber_me);
	+ php_phongo_sdamsubscriber_ce = zend_register_internal_interface(&ce);
	+ zend_class_implements(php_phongo_sdamsubscriber_ce, 1, php_phongo_subscriber_ce);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/ServerChangedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerChangedEvent.c
	new file mode 100644
	index 00000000..edb15cfe
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerChangedEvent.c
	@@ -0,0 +1,186 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+#include "MongoDB/Server.h"
	+#include "MongoDB/ServerDescription.h"
	+
	+zend_class_entry* php_phongo_serverchangedevent_ce;
	+
	+/* {{{ proto string ServerChangedEvent::getHost()
	+ Returns this event's host */
	+static PHP_METHOD(ServerChangedEvent, getHost)
	+{
	+ php_phongo_serverchangedevent_t* intern = Z_SERVERCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(intern->host.host);
	+} /* }}} */
	+
	+/* {{{ proto integer ServerChangedEvent::getPort()
	+ Returns this event's port */
	+static PHP_METHOD(ServerChangedEvent, getPort)
	+{
	+ php_phongo_serverchangedevent_t* intern = Z_SERVERCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->host.port);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ServerDescription ServerChangedEvent::getNewDescription()
	+ Returns this event's new description */
	+static PHP_METHOD(ServerChangedEvent, getNewDescription)
	+{
	+ php_phongo_serverchangedevent_t* intern = Z_SERVERCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_serverdescription_init(return_value, intern->new_server_description);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ServerDescription ServerChangedEvent::getPreviousDescription()
	+ Returns this event's previous description */
	+static PHP_METHOD(ServerChangedEvent, getPreviousDescription)
	+{
	+ php_phongo_serverchangedevent_t* intern = Z_SERVERCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_serverdescription_init(return_value, intern->old_server_description);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId ServerChangedEvent::getTopologyId()
	+ Returns this event's topology id */
	+static PHP_METHOD(ServerChangedEvent, getTopologyId)
	+{
	+ php_phongo_serverchangedevent_t* intern = Z_SERVERCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_objectid_init(return_value, &intern->topology_id);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerChangedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerChangedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverchangedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerChangedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerChangedEvent, getHost, ai_ServerChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerChangedEvent, getPort, ai_ServerChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerChangedEvent, getNewDescription, ai_ServerChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerChangedEvent, getPreviousDescription, ai_ServerChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerChangedEvent, getTopologyId, ai_ServerChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ServerChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerChangedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_serverchangedevent;
	+
	+static void php_phongo_serverchangedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverchangedevent_t* intern = Z_OBJ_SERVERCHANGEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->new_server_description) {
	+ mongoc_server_description_destroy(intern->new_server_description);
	+ }
	+
	+ if (intern->old_server_description) {
	+ mongoc_server_description_destroy(intern->old_server_description);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_serverchangedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverchangedevent_t* intern = zend_object_alloc(sizeof(php_phongo_serverchangedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverchangedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverchangedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_serverchangedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_SERVERCHANGEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 4);
	+
	+ ADD_ASSOC_STRING(&retval, "host", intern->host.host);
	+ ADD_ASSOC_LONG_EX(&retval, "port", intern->host.port);
	+
	+ {
	+ zval topology_id;
	+ phongo_objectid_init(&topology_id, &intern->topology_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "topologyId", &topology_id);
	+ }
	+
	+ {
	+ zval new_sd;
	+ phongo_serverdescription_init(&new_sd, intern->new_server_description);
	+ ADD_ASSOC_ZVAL_EX(&retval, "newDescription", &new_sd);
	+ }
	+
	+ {
	+ zval old_sd;
	+ phongo_serverdescription_init(&old_sd, intern->old_server_description);
	+ ADD_ASSOC_ZVAL_EX(&retval, "oldDescription", &old_sd);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serverchangedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "ServerChangedEvent", php_phongo_serverchangedevent_me);
	+ php_phongo_serverchangedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverchangedevent_ce->create_object = php_phongo_serverchangedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverchangedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serverchangedevent_ce);
	+
	+ memcpy(&php_phongo_handler_serverchangedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverchangedevent.get_debug_info = php_phongo_serverchangedevent_get_debug_info;
	+ php_phongo_handler_serverchangedevent.free_obj = php_phongo_serverchangedevent_free_object;
	+ php_phongo_handler_serverchangedevent.offset = XtOffsetOf(php_phongo_serverchangedevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/ServerClosedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerClosedEvent.c
	new file mode 100644
	index 00000000..132660c5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerClosedEvent.c
	@@ -0,0 +1,138 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+
	+zend_class_entry* php_phongo_serverclosedevent_ce;
	+
	+/* {{{ proto string ServerClosedEvent::getHost()
	+ Returns this event's host */
	+static PHP_METHOD(ServerClosedEvent, getHost)
	+{
	+ php_phongo_serverclosedevent_t* intern = Z_SERVERCLOSEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(intern->host.host);
	+} /* }}} */
	+
	+/* {{{ proto integer ServerClosedEvent::getPort()
	+ Returns this event's port */
	+static PHP_METHOD(ServerClosedEvent, getPort)
	+{
	+ php_phongo_serverclosedevent_t* intern = Z_SERVERCLOSEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->host.port);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId ServerClosedEvent::getTopologyId()
	+ Returns this event's topology id */
	+static PHP_METHOD(ServerClosedEvent, getTopologyId)
	+{
	+ php_phongo_serverclosedevent_t* intern = Z_SERVERCLOSEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_objectid_init(return_value, &intern->topology_id);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerClosedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerClosedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverclosedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerClosedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerClosedEvent, getHost, ai_ServerClosedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerClosedEvent, getPort, ai_ServerClosedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerClosedEvent, getTopologyId, ai_ServerClosedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ServerClosedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerClosedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_serverclosedevent;
	+
	+static void php_phongo_serverclosedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverclosedevent_t* intern = Z_OBJ_SERVERCLOSEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_serverclosedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverclosedevent_t* intern = zend_object_alloc(sizeof(php_phongo_serverclosedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverclosedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverclosedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_serverclosedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_SERVERCLOSEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 3);
	+
	+ ADD_ASSOC_STRING(&retval, "host", intern->host.host);
	+ ADD_ASSOC_LONG_EX(&retval, "port", intern->host.port);
	+
	+ {
	+ zval topology_id;
	+ phongo_objectid_init(&topology_id, &intern->topology_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "topologyId", &topology_id);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serverclosedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "ServerClosedEvent", php_phongo_serverclosedevent_me);
	+ php_phongo_serverclosedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverclosedevent_ce->create_object = php_phongo_serverclosedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverclosedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serverclosedevent_ce);
	+
	+ memcpy(&php_phongo_handler_serverclosedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverclosedevent.get_debug_info = php_phongo_serverclosedevent_get_debug_info;
	+ php_phongo_handler_serverclosedevent.free_obj = php_phongo_serverclosedevent_free_object;
	+ php_phongo_handler_serverclosedevent.offset = XtOffsetOf(php_phongo_serverclosedevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatFailedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatFailedEvent.c
	new file mode 100644
	index 00000000..7339839a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatFailedEvent.c
	@@ -0,0 +1,163 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_serverheartbeatfailedevent_ce;
	+
	+/* {{{ proto integer ServerHeartbeatFailedEvent::getDurationMicros()
	+ Returns this event's duration in microseconds */
	+static PHP_METHOD(ServerHeartbeatFailedEvent, getDurationMicros)
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->duration_micros);
	+} /* }}} */
	+
	+/* {{{ proto Exception ServerHeartbeatFailedEvent::getError()
	+ Returns the error associated with the event */
	+PHP_METHOD(ServerHeartbeatFailedEvent, getError)
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ZVAL(&intern->z_error, 1, 0);
	+} /* }}} */
	+
	+/* {{{ proto string ServerHeartbeatFailedEvent::getHost()
	+ Returns this event's host */
	+static PHP_METHOD(ServerHeartbeatFailedEvent, getHost)
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(intern->host.host);
	+} /* }}} */
	+
	+/* {{{ proto integer ServerHeartbeatFailedEvent::getPort()
	+ Returns this event's port */
	+static PHP_METHOD(ServerHeartbeatFailedEvent, getPort)
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->host.port);
	+} /* }}} */
	+
	+/* {{{ proto boolean ServerHeartbeatFailedEvent::isAwaited()
	+ Returns whether this event came from an awaitable hello */
	+static PHP_METHOD(ServerHeartbeatFailedEvent, isAwaited)
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_BOOL(intern->awaited);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerHeartbeatFailedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverheartbeatfailedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatFailedEvent, getDurationMicros, ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatFailedEvent, getError, ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatFailedEvent, getHost, ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatFailedEvent, getPort, ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatFailedEvent, isAwaited, ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ServerHeartbeatFailedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_serverheartbeatfailedevent;
	+
	+static void php_phongo_serverheartbeatfailedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = Z_OBJ_SERVERHEARTBEATFAILEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (!Z_ISUNDEF(intern->z_error)) {
	+ zval_ptr_dtor(&intern->z_error);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_serverheartbeatfailedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern = zend_object_alloc(sizeof(php_phongo_serverheartbeatfailedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverheartbeatfailedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverheartbeatfailedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_serverheartbeatfailedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_SERVERHEARTBEATFAILEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 5);
	+
	+ ADD_ASSOC_STRING(&retval, "host", intern->host.host);
	+ ADD_ASSOC_LONG_EX(&retval, "port", intern->host.port);
	+ ADD_ASSOC_BOOL_EX(&retval, "awaited", intern->awaited);
	+ ADD_ASSOC_INT64(&retval, "durationMicros", intern->duration_micros);
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "error", &intern->z_error);
	+ Z_ADDREF(intern->z_error);
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serverheartbeatfailedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "ServerHeartbeatFailedEvent", php_phongo_serverheartbeatfailedevent_me);
	+ php_phongo_serverheartbeatfailedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverheartbeatfailedevent_ce->create_object = php_phongo_serverheartbeatfailedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverheartbeatfailedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serverheartbeatfailedevent_ce);
	+
	+ memcpy(&php_phongo_handler_serverheartbeatfailedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverheartbeatfailedevent.get_debug_info = php_phongo_serverheartbeatfailedevent_get_debug_info;
	+ php_phongo_handler_serverheartbeatfailedevent.free_obj = php_phongo_serverheartbeatfailedevent_free_object;
	+ php_phongo_handler_serverheartbeatfailedevent.offset = XtOffsetOf(php_phongo_serverheartbeatfailedevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatStartedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatStartedEvent.c
	new file mode 100644
	index 00000000..b2de5c86
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatStartedEvent.c
	@@ -0,0 +1,131 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_serverheartbeatstartedevent_ce;
	+
	+/* {{{ proto string ServerHeartbeatStartedEvent::getHost()
	+ Returns this event's host */
	+static PHP_METHOD(ServerHeartbeatStartedEvent, getHost)
	+{
	+ php_phongo_serverheartbeatstartedevent_t* intern = Z_SERVERHEARTBEATSTARTEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(intern->host.host);
	+} /* }}} */
	+
	+/* {{{ proto integer ServerHeartbeatStartedEvent::getPort()
	+ Returns this event's port */
	+static PHP_METHOD(ServerHeartbeatStartedEvent, getPort)
	+{
	+ php_phongo_serverheartbeatstartedevent_t* intern = Z_SERVERHEARTBEATSTARTEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->host.port);
	+} /* }}} */
	+
	+/* {{{ proto boolean ServerHeartbeatStartedEvent::isAwaited()
	+ Returns whether this event came from an awaitable hello */
	+static PHP_METHOD(ServerHeartbeatStartedEvent, isAwaited)
	+{
	+ php_phongo_serverheartbeatstartedevent_t* intern = Z_SERVERHEARTBEATSTARTEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_BOOL(intern->awaited);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerHeartbeatStartedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverheartbeatstartedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerHeartbeatStartedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatStartedEvent, getHost, ai_ServerHeartbeatStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatStartedEvent, getPort, ai_ServerHeartbeatStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatStartedEvent, isAwaited, ai_ServerHeartbeatStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ServerHeartbeatStartedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_serverheartbeatstartedevent;
	+
	+static void php_phongo_serverheartbeatstartedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverheartbeatstartedevent_t* intern = Z_OBJ_SERVERHEARTBEATSTARTEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_serverheartbeatstartedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverheartbeatstartedevent_t* intern = zend_object_alloc(sizeof(php_phongo_serverheartbeatstartedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverheartbeatstartedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverheartbeatstartedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_serverheartbeatstartedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_SERVERHEARTBEATSTARTEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 4);
	+
	+ ADD_ASSOC_STRING(&retval, "host", intern->host.host);
	+ ADD_ASSOC_LONG_EX(&retval, "port", intern->host.port);
	+ ADD_ASSOC_BOOL_EX(&retval, "awaited", intern->awaited);
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serverheartbeatstartedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "ServerHeartbeatStartedEvent", php_phongo_serverheartbeatstartedevent_me);
	+ php_phongo_serverheartbeatstartedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverheartbeatstartedevent_ce->create_object = php_phongo_serverheartbeatstartedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverheartbeatstartedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serverheartbeatstartedevent_ce);
	+
	+ memcpy(&php_phongo_handler_serverheartbeatstartedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverheartbeatstartedevent.get_debug_info = php_phongo_serverheartbeatstartedevent_get_debug_info;
	+ php_phongo_handler_serverheartbeatstartedevent.free_obj = php_phongo_serverheartbeatstartedevent_free_object;
	+ php_phongo_handler_serverheartbeatstartedevent.offset = XtOffsetOf(php_phongo_serverheartbeatstartedevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatSucceededEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatSucceededEvent.c
	new file mode 100644
	index 00000000..405392a5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerHeartbeatSucceededEvent.c
	@@ -0,0 +1,178 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_serverheartbeatsucceededevent_ce;
	+
	+/* {{{ proto integer ServerHeartbeatSucceededEvent::getDurationMicros()
	+ Returns this event's duration in microseconds */
	+static PHP_METHOD(ServerHeartbeatSucceededEvent, getDurationMicros)
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->duration_micros);
	+} /* }}} */
	+
	+/* {{{ proto string ServerHeartbeatSucceededEvent::getHost()
	+ Returns this event's host */
	+static PHP_METHOD(ServerHeartbeatSucceededEvent, getHost)
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(intern->host.host);
	+} /* }}} */
	+
	+/* {{{ proto integer ServerHeartbeatSucceededEvent::getPort()
	+ Returns this event's port */
	+static PHP_METHOD(ServerHeartbeatSucceededEvent, getPort)
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->host.port);
	+} /* }}} */
	+
	+/* {{{ proto stdClass ServerHeartbeatSucceededEvent::getReply()
	+ Returns this event's reply */
	+static PHP_METHOD(ServerHeartbeatSucceededEvent, getReply)
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(getThis());
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto boolean ServerHeartbeatSucceededEvent::isAwaited()
	+ Returns whether this event came from an awaitable hello */
	+static PHP_METHOD(ServerHeartbeatSucceededEvent, isAwaited)
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_BOOL(intern->awaited);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerHeartbeatSucceededEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverheartbeatsucceededevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatSucceededEvent, getDurationMicros, ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatSucceededEvent, getHost, ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatSucceededEvent, getPort, ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatSucceededEvent, getReply, ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerHeartbeatSucceededEvent, isAwaited, ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ServerHeartbeatSucceededEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent object handlers */
	+static zend_object_handlers php_phongo_handler_serverheartbeatsucceededevent;
	+
	+static void php_phongo_serverheartbeatsucceededevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = Z_OBJ_SERVERHEARTBEATSUCCEEDEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->reply) {
	+ bson_destroy(intern->reply);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_serverheartbeatsucceededevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern = zend_object_alloc(sizeof(php_phongo_serverheartbeatsucceededevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverheartbeatsucceededevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverheartbeatsucceededevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_serverheartbeatsucceededevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+ php_phongo_bson_state reply_state;
	+
	+ PHONGO_BSON_INIT_STATE(reply_state);
	+
	+ intern = Z_OBJ_SERVERHEARTBEATSUCCEEDEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 4);
	+
	+ ADD_ASSOC_STRING(&retval, "host", intern->host.host);
	+ ADD_ASSOC_LONG_EX(&retval, "port", intern->host.port);
	+ ADD_ASSOC_BOOL_EX(&retval, "awaited", intern->awaited);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(intern->reply), intern->reply->len, &reply_state)) {
	+ zval_ptr_dtor(&reply_state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL(&retval, "reply", &reply_state.zchild);
	+
	+done:
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serverheartbeatsucceededevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "ServerHeartbeatSucceededEvent", php_phongo_serverheartbeatsucceededevent_me);
	+ php_phongo_serverheartbeatsucceededevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverheartbeatsucceededevent_ce->create_object = php_phongo_serverheartbeatsucceededevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverheartbeatsucceededevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serverheartbeatsucceededevent_ce);
	+
	+ memcpy(&php_phongo_handler_serverheartbeatsucceededevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverheartbeatsucceededevent.get_debug_info = php_phongo_serverheartbeatsucceededevent_get_debug_info;
	+ php_phongo_handler_serverheartbeatsucceededevent.free_obj = php_phongo_serverheartbeatsucceededevent_free_object;
	+ php_phongo_handler_serverheartbeatsucceededevent.offset = XtOffsetOf(php_phongo_serverheartbeatsucceededevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/ServerOpeningEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerOpeningEvent.c
	new file mode 100644
	index 00000000..c378c722
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/ServerOpeningEvent.c
	@@ -0,0 +1,138 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+
	+zend_class_entry* php_phongo_serveropeningevent_ce;
	+
	+/* {{{ proto string ServerOpeningEvent::getHost()
	+ Returns this event's host */
	+static PHP_METHOD(ServerOpeningEvent, getHost)
	+{
	+ php_phongo_serveropeningevent_t* intern = Z_SERVEROPENINGEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(intern->host.host);
	+} /* }}} */
	+
	+/* {{{ proto integer ServerOpeningEvent::getPort()
	+ Returns this event's port */
	+static PHP_METHOD(ServerOpeningEvent, getPort)
	+{
	+ php_phongo_serveropeningevent_t* intern = Z_SERVEROPENINGEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(intern->host.port);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId ServerOpeningEvent::getTopologyId()
	+ Returns this event's topology id */
	+static PHP_METHOD(ServerOpeningEvent, getTopologyId)
	+{
	+ php_phongo_serveropeningevent_t* intern = Z_SERVEROPENINGEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_objectid_init(return_value, &intern->topology_id);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerOpeningEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerOpeningEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serveropeningevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerOpeningEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerOpeningEvent, getHost, ai_ServerOpeningEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerOpeningEvent, getPort, ai_ServerOpeningEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerOpeningEvent, getTopologyId, ai_ServerOpeningEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_ServerOpeningEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\ServerOpeningEvent object handlers */
	+static zend_object_handlers php_phongo_handler_serveropeningevent;
	+
	+static void php_phongo_serveropeningevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serveropeningevent_t* intern = Z_OBJ_SERVEROPENINGEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_serveropeningevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serveropeningevent_t* intern = zend_object_alloc(sizeof(php_phongo_serveropeningevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serveropeningevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serveropeningevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_serveropeningevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_SERVEROPENINGEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 3);
	+
	+ ADD_ASSOC_STRING(&retval, "host", intern->host.host);
	+ ADD_ASSOC_LONG_EX(&retval, "port", intern->host.port);
	+
	+ {
	+ zval topology_id;
	+ phongo_objectid_init(&topology_id, &intern->topology_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "topologyId", &topology_id);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serveropeningevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "ServerOpeningEvent", php_phongo_serveropeningevent_me);
	+ php_phongo_serveropeningevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_serveropeningevent_ce->create_object = php_phongo_serveropeningevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serveropeningevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serveropeningevent_ce);
	+
	+ memcpy(&php_phongo_handler_serveropeningevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serveropeningevent.get_debug_info = php_phongo_serveropeningevent_get_debug_info;
	+ php_phongo_handler_serveropeningevent.free_obj = php_phongo_serveropeningevent_free_object;
	+ php_phongo_handler_serveropeningevent.offset = XtOffsetOf(php_phongo_serveropeningevent_t, std);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/Subscriber.c b/mongodb-1.13.0/src/MongoDB/Monitoring/Subscriber.c
	new file mode 100644
	index 00000000..54005f79
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/Subscriber.c
	@@ -0,0 +1,39 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+
	+zend_class_entry* php_phongo_subscriber_ce;
	+
	+/* {{{ MongoDB\Driver\Monitoring\Subscriber function entries */
	+static zend_function_entry php_phongo_subscriber_me[] = {
	+ PHP_FE_END
	+};
	+/* }}} */
	+
	+void php_phongo_subscriber_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+ (void) type;
	+ (void) module_number;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "Subscriber", php_phongo_subscriber_me);
	+ php_phongo_subscriber_ce = zend_register_internal_interface(&ce);
	+
	+ return;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyChangedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyChangedEvent.c
	new file mode 100644
	index 00000000..94256865
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyChangedEvent.c
	@@ -0,0 +1,154 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+#include "MongoDB/TopologyDescription.h"
	+
	+zend_class_entry* php_phongo_topologychangedevent_ce;
	+
	+/* {{{ proto MongoDB\Driver\TopologyDescription TopologyChangedEvent::getNewDescription()
	+ Returns this event's new description */
	+static PHP_METHOD(TopologyChangedEvent, getNewDescription)
	+{
	+ php_phongo_topologychangedevent_t* intern = Z_TOPOLOGYCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_topologydescription_init(return_value, intern->new_topology_description);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\TopologyDescription TopologyChangedEvent::getPreviousDescription()
	+ Returns this event's previous description */
	+static PHP_METHOD(TopologyChangedEvent, getPreviousDescription)
	+{
	+ php_phongo_topologychangedevent_t* intern = Z_TOPOLOGYCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_topologydescription_init(return_value, intern->old_topology_description);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\ObjectId TopologyChangedEvent::getTopologyId()
	+ Returns this event's topology id */
	+static PHP_METHOD(TopologyChangedEvent, getTopologyId)
	+{
	+ php_phongo_topologychangedevent_t* intern = Z_TOPOLOGYCHANGEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_objectid_init(return_value, &intern->topology_id);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\TopologyChangedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_TopologyChangedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_topologychangedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_TopologyChangedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyChangedEvent, getNewDescription, ai_TopologyChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyChangedEvent, getPreviousDescription, ai_TopologyChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyChangedEvent, getTopologyId, ai_TopologyChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_TopologyChangedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\TopologyChangedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_topologychangedevent;
	+
	+static void php_phongo_topologychangedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_topologychangedevent_t* intern = Z_OBJ_TOPOLOGYCHANGEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->new_topology_description) {
	+ mongoc_topology_description_destroy(intern->new_topology_description);
	+ }
	+
	+ if (intern->old_topology_description) {
	+ mongoc_topology_description_destroy(intern->old_topology_description);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_topologychangedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_topologychangedevent_t* intern = zend_object_alloc(sizeof(php_phongo_topologychangedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_topologychangedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_topologychangedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_topologychangedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_TOPOLOGYCHANGEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 3);
	+
	+ {
	+ zval topology_id;
	+ phongo_objectid_init(&topology_id, &intern->topology_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "topologyId", &topology_id);
	+ }
	+
	+ {
	+ zval new_td;
	+ phongo_topologydescription_init(&new_td, intern->new_topology_description);
	+ ADD_ASSOC_ZVAL_EX(&retval, "newDescription", &new_td);
	+ }
	+
	+ {
	+ zval old_td;
	+ phongo_topologydescription_init(&old_td, intern->old_topology_description);
	+ ADD_ASSOC_ZVAL_EX(&retval, "oldDescription", &old_td);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_topologychangedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "TopologyChangedEvent", php_phongo_topologychangedevent_me);
	+ php_phongo_topologychangedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_topologychangedevent_ce->create_object = php_phongo_topologychangedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_topologychangedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_topologychangedevent_ce);
	+
	+ memcpy(&php_phongo_handler_topologychangedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_topologychangedevent.get_debug_info = php_phongo_topologychangedevent_get_debug_info;
	+ php_phongo_handler_topologychangedevent.free_obj = php_phongo_topologychangedevent_free_object;
	+ php_phongo_handler_topologychangedevent.offset = XtOffsetOf(php_phongo_topologychangedevent_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyClosedEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyClosedEvent.c
	new file mode 100644
	index 00000000..dd4f18bb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyClosedEvent.c
	@@ -0,0 +1,107 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+
	+zend_class_entry* php_phongo_topologyclosedevent_ce;
	+
	+/* {{{ proto MongoDB\BSON\ObjectId TopologyClosedEvent::getTopologyId()
	+ Returns this event's topology id */
	+static PHP_METHOD(TopologyClosedEvent, getTopologyId)
	+{
	+ php_phongo_topologyclosedevent_t* intern = Z_TOPOLOGYCLOSEDEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_objectid_init(return_value, &intern->topology_id);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\TopologyClosedEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_TopologyClosedEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_topologyclosedevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_TopologyClosedEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyClosedEvent, getTopologyId, ai_TopologyClosedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_TopologyClosedEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\TopologyClosedEvent object handlers */
	+static zend_object_handlers php_phongo_handler_topologyclosedevent;
	+
	+static void php_phongo_topologyclosedevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_topologyclosedevent_t* intern = Z_OBJ_TOPOLOGYCLOSEDEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_topologyclosedevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_topologyclosedevent_t* intern = zend_object_alloc(sizeof(php_phongo_topologyclosedevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_topologyclosedevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_topologyclosedevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_topologyclosedevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_TOPOLOGYCLOSEDEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 1);
	+
	+ {
	+ zval topology_id;
	+ phongo_objectid_init(&topology_id, &intern->topology_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "topologyId", &topology_id);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_topologyclosedevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "TopologyClosedEvent", php_phongo_topologyclosedevent_me);
	+ php_phongo_topologyclosedevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_topologyclosedevent_ce->create_object = php_phongo_topologyclosedevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_topologyclosedevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_topologyclosedevent_ce);
	+
	+ memcpy(&php_phongo_handler_topologyclosedevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_topologyclosedevent.get_debug_info = php_phongo_topologyclosedevent_get_debug_info;
	+ php_phongo_handler_topologyclosedevent.free_obj = php_phongo_topologyclosedevent_free_object;
	+ php_phongo_handler_topologyclosedevent.offset = XtOffsetOf(php_phongo_topologyclosedevent_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyOpeningEvent.c b/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyOpeningEvent.c
	new file mode 100644
	index 00000000..db1315b5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/TopologyOpeningEvent.c
	@@ -0,0 +1,107 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "BSON/ObjectId.h"
	+
	+zend_class_entry* php_phongo_topologyopeningevent_ce;
	+
	+/* {{{ proto MongoDB\BSON\ObjectId TopologyOpeningEvent::getTopologyId()
	+ Returns this event's topology id */
	+static PHP_METHOD(TopologyOpeningEvent, getTopologyId)
	+{
	+ php_phongo_topologyopeningevent_t* intern = Z_TOPOLOGYOPENINGEVENT_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ phongo_objectid_init(return_value, &intern->topology_id);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\TopologyOpeningEvent function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_TopologyOpeningEvent_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_topologyopeningevent_me[] = {
	+ /* clang-format off */
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_TopologyOpeningEvent_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyOpeningEvent, getTopologyId, ai_TopologyOpeningEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_TopologyOpeningEvent_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Monitoring\TopologyOpeningEvent object handlers */
	+static zend_object_handlers php_phongo_handler_topologyopeningevent;
	+
	+static void php_phongo_topologyopeningevent_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_topologyopeningevent_t* intern = Z_OBJ_TOPOLOGYOPENINGEVENT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+} /* }}} */
	+
	+static zend_object* php_phongo_topologyopeningevent_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_topologyopeningevent_t* intern = zend_object_alloc(sizeof(php_phongo_topologyopeningevent_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_topologyopeningevent;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_topologyopeningevent_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_topologyopeningevent_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ intern = Z_OBJ_TOPOLOGYOPENINGEVENT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 1);
	+
	+ {
	+ zval topology_id;
	+ phongo_objectid_init(&topology_id, &intern->topology_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "topologyId", &topology_id);
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_topologyopeningevent_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver\\Monitoring", "TopologyOpeningEvent", php_phongo_topologyopeningevent_me);
	+ php_phongo_topologyopeningevent_ce = zend_register_internal_class(&ce);
	+ php_phongo_topologyopeningevent_ce->create_object = php_phongo_topologyopeningevent_create_object;
	+ PHONGO_CE_FINAL(php_phongo_topologyopeningevent_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_topologyopeningevent_ce);
	+
	+ memcpy(&php_phongo_handler_topologyopeningevent, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_topologyopeningevent.get_debug_info = php_phongo_topologyopeningevent_get_debug_info;
	+ php_phongo_handler_topologyopeningevent.free_obj = php_phongo_topologyopeningevent_free_object;
	+ php_phongo_handler_topologyopeningevent.offset = XtOffsetOf(php_phongo_topologyopeningevent_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/functions.c b/mongodb-1.13.0/src/MongoDB/Monitoring/functions.c
	new file mode 100644
	index 00000000..b4108dcb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/functions.c
	@@ -0,0 +1,49 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_apm.h"
	+#include "phongo_error.h"
	+
	+ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	+
	+/* {{{ proto void MongoDB\Driver\Monitoring\addSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	+ Registers a global event subscriber */
	+PHP_FUNCTION(MongoDB_Driver_Monitoring_addSubscriber)
	+{
	+ zval* subscriber;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ phongo_apm_add_subscriber(MONGODB_G(subscribers), subscriber);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Monitoring\removeSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)
	+ Unregisters a global event subscriber */
	+PHP_FUNCTION(MongoDB_Driver_Monitoring_removeSubscriber)
	+{
	+ zval* subscriber;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_OBJECT_OF_CLASS(subscriber, php_phongo_subscriber_ce)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ phongo_apm_remove_subscriber(MONGODB_G(subscribers), subscriber);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Monitoring/functions.h b/mongodb-1.13.0/src/MongoDB/Monitoring/functions.h
	new file mode 100644
	index 00000000..9696d659
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Monitoring/functions.h
	@@ -0,0 +1,25 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_MONITORING_FUNCTIONS_H
	+#define PHONGO_MONITORING_FUNCTIONS_H
	+
	+#include <php.h>
	+
	+PHP_FUNCTION(MongoDB_Driver_Monitoring_addSubscriber);
	+PHP_FUNCTION(MongoDB_Driver_Monitoring_removeSubscriber);
	+
	+#endif /* PHONGO_MONITORING_FUNCTIONS_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/Query.c b/mongodb-1.13.0/src/MongoDB/Query.c
	new file mode 100644
	index 00000000..f01d31cc
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Query.c
	@@ -0,0 +1,493 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/ReadConcern.h"
	+
	+zend_class_entry* php_phongo_query_ce;
	+
	+/* Appends a string field into the BSON options. Returns true on success;
	+ * otherwise, false is returned and an exception is thrown. */
	+static bool php_phongo_query_opts_append_string(bson_t* opts, const char* opts_key, zval* zarr, const char* zarr_key) /* {{{ */
	+{
	+ zval* value = php_array_fetch(zarr, zarr_key);
	+
	+ if (Z_TYPE_P(value) != IS_STRING) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" %s to be string, %s given", zarr_key, zarr_key[0] == '$' ? "modifier" : "option", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(value));
	+ return false;
	+ }
	+
	+ if (!bson_append_utf8(opts, opts_key, strlen(opts_key), Z_STRVAL_P(value), Z_STRLEN_P(value))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", opts_key);
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Appends a document field for the given opts document and key. Returns true on
	+ * success; otherwise, false is returned and an exception is thrown. */
	+static bool php_phongo_query_opts_append_document(bson_t* opts, const char* opts_key, zval* zarr, const char* zarr_key) /* {{{ */
	+{
	+ zval* value = php_array_fetch(zarr, zarr_key);
	+ bson_t b = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" %s to be array or object, %s given", zarr_key, zarr_key[0] == '$' ? "modifier" : "option", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(value));
	+ return false;
	+ }
	+
	+ php_phongo_zval_to_bson(value, PHONGO_BSON_NONE, &b, NULL);
	+
	+ if (EG(exception)) {
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ if (!bson_validate(&b, BSON_VALIDATE_EMPTY_KEYS, NULL)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use empty keys in \"%s\" %s", zarr_key, zarr_key[0] == '$' ? "modifier" : "option");
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ if (!BSON_APPEND_DOCUMENT(opts, opts_key, &b)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", opts_key);
	+ bson_destroy(&b);
	+ return false;
	+ }
	+
	+ bson_destroy(&b);
	+ return true;
	+} /* }}} */
	+
	+#define PHONGO_QUERY_OPT_BOOL_EX(opt, zarr, key, deprecated) \
	+ if ((zarr) && php_array_existsc((zarr), (key))) { \
	+ if ((deprecated)) { \
	+ php_error_docref(NULL, E_DEPRECATED, "The \"%s\" option is deprecated and will be removed in a future release", key); \
	+ } \
	+ if (!BSON_APPEND_BOOL(intern->opts, (opt), php_array_fetchc_bool((zarr), (key)))) { \
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	+ return false; \
	+ } \
	+ }
	+
	+#define PHONGO_QUERY_OPT_BOOL(opt, zarr, key) PHONGO_QUERY_OPT_BOOL_EX((opt), (zarr), (key), 0)
	+#define PHONGO_QUERY_OPT_BOOL_DEPRECATED(opt, zarr, key) PHONGO_QUERY_OPT_BOOL_EX((opt), (zarr), (key), 1)
	+
	+#define PHONGO_QUERY_OPT_DOCUMENT(opt, zarr, key) \
	+ if ((zarr) && php_array_existsc((zarr), (key))) { \
	+ if (!php_phongo_query_opts_append_document(intern->opts, (opt), (zarr), (key))) { \
	+ return false; \
	+ } \
	+ }
	+
	+/* Note: handling of integer options will depend on SIZEOF_ZEND_LONG and we
	+ * are not converting strings to 64-bit integers for 32-bit platforms. */
	+
	+#define PHONGO_QUERY_OPT_INT64_EX(opt, zarr, key, deprecated) \
	+ if ((zarr) && php_array_existsc((zarr), (key))) { \
	+ if ((deprecated)) { \
	+ php_error_docref(NULL, E_DEPRECATED, "The \"%s\" option is deprecated and will be removed in a future release", key); \
	+ } \
	+ if (!BSON_APPEND_INT64(intern->opts, (opt), php_array_fetchc_long((zarr), (key)))) { \
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"%s\" option", (opt)); \
	+ return false; \
	+ } \
	+ }
	+
	+#define PHONGO_QUERY_OPT_INT64(opt, zarr, key) PHONGO_QUERY_OPT_INT64_EX((opt), (zarr), (key), 0)
	+#define PHONGO_QUERY_OPT_INT64_DEPRECATED(opt, zarr, key) PHONGO_QUERY_OPT_INT64_EX((opt), (zarr), (key), 1)
	+
	+#define PHONGO_QUERY_OPT_STRING(opt, zarr, key) \
	+ if ((zarr) && php_array_existsc((zarr), (key))) { \
	+ if (!php_phongo_query_opts_append_string(intern->opts, (opt), (zarr), (key))) { \
	+ return false; \
	+ } \
	+ }
	+
	+/* Initialize the "hint" option. Returns true on success; otherwise, false is
	+ * returned and an exception is thrown.
	+ *
	+ * The "hint" option (or "$hint" modifier) must be a string or document. Check
	+ * for both types and merge into BSON options accordingly. */
	+static bool php_phongo_query_init_hint(php_phongo_query_t* intern, zval* options, zval* modifiers) /* {{{ */
	+{
	+ /* The "hint" option (or "$hint" modifier) must be a string or document.
	+ * Check for both types and merge into BSON options accordingly. */
	+ if (php_array_existsc(options, "hint")) {
	+ zend_uchar type = Z_TYPE_P(php_array_fetchc(options, "hint"));
	+
	+ if (type == IS_STRING) {
	+ PHONGO_QUERY_OPT_STRING("hint", options, "hint");
	+ } else if (type == IS_OBJECT \|\| type == IS_ARRAY) {
	+ PHONGO_QUERY_OPT_DOCUMENT("hint", options, "hint");
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"hint\" option to be string, array, or object, %s given", zend_get_type_by_const(type));
	+ return false;
	+ }
	+ } else if (modifiers && php_array_existsc(modifiers, "$hint")) {
	+ zend_uchar type = Z_TYPE_P(php_array_fetchc(modifiers, "$hint"));
	+
	+ if (type == IS_STRING) {
	+ PHONGO_QUERY_OPT_STRING("hint", modifiers, "$hint");
	+ } else if (type == IS_OBJECT \|\| type == IS_ARRAY) {
	+ PHONGO_QUERY_OPT_DOCUMENT("hint", modifiers, "$hint");
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"$hint\" modifier to be string, array, or object, %s given", zend_get_type_by_const(type));
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the "limit" and "singleBatch" options. Returns true on success;
	+ * otherwise, false is returned and an exception is thrown.
	+ *
	+ * mongoc_collection_find_with_opts() requires a non-negative limit. For
	+ * backwards compatibility, a negative limit should be set as a positive value
	+ * and default singleBatch to true. */
	+static bool php_phongo_query_init_limit_and_singlebatch(php_phongo_query_t* intern, zval* options) /* {{{ */
	+{
	+ if (php_array_fetchc_long(options, "limit") < 0) {
	+ zend_long limit = php_array_fetchc_long(options, "limit");
	+
	+ if (!BSON_APPEND_INT64(intern->opts, "limit", -limit)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"limit\" option");
	+ return false;
	+ }
	+
	+ if (php_array_existsc(options, "singleBatch") && !php_array_fetchc_bool(options, "singleBatch")) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Negative \"limit\" option conflicts with false \"singleBatch\" option");
	+ return false;
	+ } else {
	+ if (!BSON_APPEND_BOOL(intern->opts, "singleBatch", true)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"singleBatch\" option");
	+ return false;
	+ }
	+ }
	+ } else {
	+ PHONGO_QUERY_OPT_INT64("limit", options, "limit");
	+ PHONGO_QUERY_OPT_BOOL("singleBatch", options, "singleBatch");
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the "readConcern" option. Returns true on success; otherwise,
	+ * false is returned and an exception is thrown.
	+ *
	+ * The "readConcern" option should be a MongoDB\Driver\ReadConcern instance,
	+ * which must be converted to a mongoc_read_concern_t. */
	+static bool php_phongo_query_init_readconcern(php_phongo_query_t* intern, zval* options) /* {{{ */
	+{
	+ zval* read_concern;
	+
	+ if (!php_array_existsc(options, "readConcern")) {
	+ return true;
	+ }
	+
	+ read_concern = php_array_fetchc(options, "readConcern");
	+
	+ if (Z_TYPE_P(read_concern) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(read_concern), php_phongo_readconcern_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(read_concern));
	+ return false;
	+ }
	+
	+ intern->read_concern = mongoc_read_concern_copy(phongo_read_concern_from_zval(read_concern));
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the "maxAwaitTimeMS" option. Returns true on success; otherwise,
	+ * false is returned and an exception is thrown.
	+ *
	+ * The "maxAwaitTimeMS" option is assigned to the cursor after query execution
	+ * via mongoc_cursor_set_max_await_time_ms(). */
	+static bool php_phongo_query_init_max_await_time_ms(php_phongo_query_t* intern, zval* options) /* {{{ */
	+{
	+ int64_t max_await_time_ms;
	+
	+ if (!php_array_existsc(options, "maxAwaitTimeMS")) {
	+ return true;
	+ }
	+
	+ max_await_time_ms = php_array_fetchc_long(options, "maxAwaitTimeMS");
	+
	+ if (max_await_time_ms < 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be >= 0, %" PRId64 " given", max_await_time_ms);
	+ return false;
	+ }
	+
	+ if (max_await_time_ms > UINT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxAwaitTimeMS\" option to be <= %" PRIu32 ", %" PRId64 " given", UINT32_MAX, max_await_time_ms);
	+ return false;
	+ }
	+
	+ intern->max_await_time_ms = (uint32_t) max_await_time_ms;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initializes the php_phongo_query_t from filter and options arguments. This
	+ * function will fall back to a modifier in the absence of a top-level option
	+ * (where applicable). */
	+static bool php_phongo_query_init(php_phongo_query_t* intern, zval* filter, zval* options) /* {{{ */
	+{
	+ zval* modifiers = NULL;
	+
	+ intern->filter = bson_new();
	+ intern->opts = bson_new();
	+ intern->max_await_time_ms = 0;
	+
	+ php_phongo_zval_to_bson(filter, PHONGO_BSON_NONE, intern->filter, NULL);
	+
	+ /* Note: if any exceptions are thrown, we can simply return as PHP will
	+ * invoke php_phongo_query_free_object to destruct the object. */
	+ if (EG(exception)) {
	+ return false;
	+ }
	+
	+ if (!bson_validate(intern->filter, BSON_VALIDATE_EMPTY_KEYS, NULL)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use empty keys in filter document");
	+ return false;
	+ }
	+
	+ if (!options) {
	+ return true;
	+ }
	+
	+ if (php_array_existsc(options, "modifiers")) {
	+ modifiers = php_array_fetchc(options, "modifiers");
	+
	+ if (Z_TYPE_P(modifiers) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"modifiers\" option to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(modifiers));
	+ return false;
	+ }
	+ }
	+
	+ PHONGO_QUERY_OPT_BOOL("allowDiskUse", options, "allowDiskUse")
	+ PHONGO_QUERY_OPT_BOOL("allowPartialResults", options, "allowPartialResults")
	+ else PHONGO_QUERY_OPT_BOOL("allowPartialResults", options, "partial");
	+ PHONGO_QUERY_OPT_BOOL("awaitData", options, "awaitData");
	+ PHONGO_QUERY_OPT_INT64("batchSize", options, "batchSize");
	+ PHONGO_QUERY_OPT_DOCUMENT("collation", options, "collation");
	+ PHONGO_QUERY_OPT_STRING("comment", options, "comment")
	+ else PHONGO_QUERY_OPT_STRING("comment", modifiers, "$comment");
	+ PHONGO_QUERY_OPT_BOOL("exhaust", options, "exhaust");
	+ PHONGO_QUERY_OPT_DOCUMENT("max", options, "max")
	+ else PHONGO_QUERY_OPT_DOCUMENT("max", modifiers, "$max");
	+ PHONGO_QUERY_OPT_INT64_DEPRECATED("maxScan", options, "maxScan")
	+ else PHONGO_QUERY_OPT_INT64_DEPRECATED("maxScan", modifiers, "$maxScan");
	+ PHONGO_QUERY_OPT_INT64("maxTimeMS", options, "maxTimeMS")
	+ else PHONGO_QUERY_OPT_INT64("maxTimeMS", modifiers, "$maxTimeMS");
	+ PHONGO_QUERY_OPT_DOCUMENT("min", options, "min")
	+ else PHONGO_QUERY_OPT_DOCUMENT("min", modifiers, "$min");
	+ PHONGO_QUERY_OPT_BOOL("noCursorTimeout", options, "noCursorTimeout");
	+ PHONGO_QUERY_OPT_BOOL_DEPRECATED("oplogReplay", options, "oplogReplay");
	+ PHONGO_QUERY_OPT_DOCUMENT("projection", options, "projection");
	+ PHONGO_QUERY_OPT_BOOL("returnKey", options, "returnKey")
	+ else PHONGO_QUERY_OPT_BOOL("returnKey", modifiers, "$returnKey");
	+ PHONGO_QUERY_OPT_BOOL("showRecordId", options, "showRecordId")
	+ else PHONGO_QUERY_OPT_BOOL("showRecordId", modifiers, "$showDiskLoc");
	+ PHONGO_QUERY_OPT_INT64("skip", options, "skip");
	+ PHONGO_QUERY_OPT_DOCUMENT("sort", options, "sort")
	+ else PHONGO_QUERY_OPT_DOCUMENT("sort", modifiers, "$orderby");
	+ PHONGO_QUERY_OPT_BOOL_DEPRECATED("snapshot", options, "snapshot")
	+ else PHONGO_QUERY_OPT_BOOL_DEPRECATED("snapshot", modifiers, "$snapshot");
	+ PHONGO_QUERY_OPT_BOOL("tailable", options, "tailable");
	+
	+ /* The "$explain" modifier should be converted to an "explain" option, which
	+ * libmongoc will later convert back to a modifier for the OP_QUERY code
	+ * path. This modifier will be ignored for the find command code path. */
	+ PHONGO_QUERY_OPT_BOOL("explain", modifiers, "$explain");
	+
	+ if (!php_phongo_query_init_hint(intern, options, modifiers)) {
	+ return false;
	+ }
	+
	+ if (!php_phongo_query_init_limit_and_singlebatch(intern, options)) {
	+ return false;
	+ }
	+
	+ if (!php_phongo_query_init_readconcern(intern, options)) {
	+ return false;
	+ }
	+
	+ if (!php_phongo_query_init_max_await_time_ms(intern, options)) {
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+#undef PHONGO_QUERY_OPT_BOOL
	+#undef PHONGO_QUERY_OPT_DOCUMENT
	+#undef PHONGO_QUERY_OPT_INT64
	+#undef PHONGO_QUERY_OPT_STRING
	+
	+/* {{{ proto void MongoDB\Driver\Query::__construct(array\|object $filter[, array $options = array()])
	+ Constructs a new Query */
	+static PHP_METHOD(Query, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_query_t* intern;
	+ zval* filter;
	+ zval* options = NULL;
	+
	+ intern = Z_QUERY_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "A\|a!", &filter, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_query_init(intern, filter, options);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Query function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Query___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, filter)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Query_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_query_me[] = {
	+ /* clang-format off */
	+ PHP_ME(Query, __construct, ai_Query___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Query_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Query object handlers */
	+static zend_object_handlers php_phongo_handler_query;
	+
	+static void php_phongo_query_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_query_t* intern = Z_OBJ_QUERY(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->filter) {
	+ bson_clear(&intern->filter);
	+ }
	+
	+ if (intern->opts) {
	+ bson_clear(&intern->opts);
	+ }
	+
	+ if (intern->read_concern) {
	+ mongoc_read_concern_destroy(intern->read_concern);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_query_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_query_t* intern = zend_object_alloc(sizeof(php_phongo_query_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_query;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_query_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_query_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_QUERY(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init_size(&retval, 3);
	+
	+ /* Avoid using PHONGO_TYPEMAP_NATIVE_ARRAY for decoding filter and opts
	+ * documents so that users can differentiate BSON arrays and documents. */
	+ if (intern->filter) {
	+ zval zv;
	+
	+ if (!php_phongo_bson_to_zval(bson_get_data(intern->filter), intern->filter->len, &zv)) {
	+ zval_ptr_dtor(&zv);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "filter", &zv);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "filter");
	+ }
	+
	+ if (intern->opts) {
	+ zval zv;
	+
	+ if (!php_phongo_bson_to_zval(bson_get_data(intern->opts), intern->opts->len, &zv)) {
	+ zval_ptr_dtor(&zv);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "options", &zv);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "options");
	+ }
	+
	+ if (intern->read_concern) {
	+ zval read_concern;
	+
	+ php_phongo_read_concern_to_zval(&read_concern, intern->read_concern);
	+ ADD_ASSOC_ZVAL_EX(&retval, "readConcern", &read_concern);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "readConcern");
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_query_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Query", php_phongo_query_me);
	+ php_phongo_query_ce = zend_register_internal_class(&ce);
	+ php_phongo_query_ce->create_object = php_phongo_query_create_object;
	+ PHONGO_CE_FINAL(php_phongo_query_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_query_ce);
	+
	+ memcpy(&php_phongo_handler_query, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_query.get_debug_info = php_phongo_query_get_debug_info;
	+ php_phongo_handler_query.free_obj = php_phongo_query_free_object;
	+ php_phongo_handler_query.offset = XtOffsetOf(php_phongo_query_t, std);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/ReadConcern.c b/mongodb-1.13.0/src/MongoDB/ReadConcern.c
	new file mode 100644
	index 00000000..edb58e0f
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ReadConcern.c
	@@ -0,0 +1,433 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_readconcern_ce;
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_readconcern_init_from_hash(php_phongo_readconcern_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* level;
	+
	+ intern->read_concern = mongoc_read_concern_new();
	+
	+ if ((level = zend_hash_str_find(props, "level", sizeof("level") - 1))) {
	+ if (Z_TYPE_P(level) == IS_STRING) {
	+ mongoc_read_concern_set_level(intern->read_concern, Z_STRVAL_P(level));
	+ return true;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"level\" string field", ZSTR_VAL(php_phongo_readconcern_ce->name));
	+ goto failure;
	+ }
	+
	+ return true;
	+
	+failure:
	+ mongoc_read_concern_destroy(intern->read_concern);
	+ intern->read_concern = NULL;
	+ return false;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ReadConcern::__construct([string $level])
	+ Constructs a new ReadConcern */
	+static PHP_METHOD(ReadConcern, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readconcern_t* intern;
	+ char* level = NULL;
	+ size_t level_len = 0;
	+
	+ intern = Z_READCONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|s!", &level, &level_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern->read_concern = mongoc_read_concern_new();
	+
	+ if (level) {
	+ mongoc_read_concern_set_level(intern->read_concern, level);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ReadConcern MongoDB\Driver\ReadConcern::__set_state(array $properties)
	+*/
	+static PHP_METHOD(ReadConcern, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readconcern_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_readconcern_ce);
	+
	+ intern = Z_READCONCERN_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_readconcern_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string\|null MongoDB\Driver\ReadConcern::getLevel()
	+ Returns the ReadConcern "level" option */
	+static PHP_METHOD(ReadConcern, getLevel)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readconcern_t* intern;
	+ const char* level;
	+
	+ intern = Z_READCONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ level = mongoc_read_concern_get_level(intern->read_concern);
	+
	+ if (level) {
	+ RETURN_STRING(level);
	+ }
	+
	+ RETURN_NULL();
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\ReadConcern::isDefault()
	+ Returns whether the read concern has not been modified (i.e. constructed
	+ without a level or from a Manager with no read concern URI options). */
	+static PHP_METHOD(ReadConcern, isDefault)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readconcern_t* intern;
	+
	+ intern = Z_READCONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_BOOL(mongoc_read_concern_is_default(intern->read_concern));
	+} /* }}} */
	+
	+static HashTable* php_phongo_readconcern_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_readconcern_t* intern;
	+ HashTable* props;
	+ const char* level;
	+
	+ intern = Z_OBJ_READCONCERN(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	+
	+ if (!intern->read_concern) {
	+ return props;
	+ }
	+
	+ level = mongoc_read_concern_get_level(intern->read_concern);
	+
	+ if (level) {
	+ zval z_level;
	+
	+ ZVAL_STRING(&z_level, level);
	+ zend_hash_str_update(props, "level", sizeof("level") - 1, &z_level);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ReadConcern::bsonSerialize()
	+*/
	+static PHP_METHOD(ReadConcern, bsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ ZVAL_ARR(return_value, php_phongo_readconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+ convert_to_object(return_value);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\ReadConcern::serialize()
	+*/
	+static PHP_METHOD(ReadConcern, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readconcern_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+ const char* level;
	+
	+ intern = Z_READCONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!intern->read_concern) {
	+ return;
	+ }
	+
	+ level = mongoc_read_concern_get_level(intern->read_concern);
	+
	+ if (!level) {
	+ RETURN_STRING("");
	+ }
	+
	+ array_init_size(&retval, 1);
	+ ADD_ASSOC_STRING(&retval, "level", level);
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ReadConcern::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(ReadConcern, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readconcern_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_READCONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!serialized_len) {
	+ return;
	+ }
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_readconcern_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_readconcern_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ReadConcern::__serialize()
	+*/
	+static PHP_METHOD(ReadConcern, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_readconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ReadConcern::__unserialize(array $data)
	+*/
	+static PHP_METHOD(ReadConcern, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_readconcern_init_from_hash(Z_READCONCERN_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\ReadConcern function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern___construct, 0, 0, 0)
	+ ZEND_ARG_INFO(0, level)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadConcern_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_readconcern_me[] = {
	+ /* clang-format off */
	+ PHP_ME(ReadConcern, __construct, ai_ReadConcern___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, __serialize, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, __set_state, ai_ReadConcern___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(ReadConcern, __unserialize, ai_ReadConcern___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, getLevel, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, isDefault, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, bsonSerialize, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, serialize, ai_ReadConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadConcern, unserialize, ai_ReadConcern_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\ReadConcern object handlers */
	+static zend_object_handlers php_phongo_handler_readconcern;
	+
	+static void php_phongo_readconcern_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_readconcern_t* intern = Z_OBJ_READCONCERN(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+
	+ if (intern->read_concern) {
	+ mongoc_read_concern_destroy(intern->read_concern);
	+ }
	+}
	+
	+static zend_object* php_phongo_readconcern_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_readconcern_t* intern = zend_object_alloc(sizeof(php_phongo_readconcern_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_readconcern;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_readconcern_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_readconcern_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_readconcern_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_readconcern_get_properties_hash(object, false);
	+} /* }}} */
	+
	+void php_phongo_readconcern_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ReadConcern", php_phongo_readconcern_me);
	+ php_phongo_readconcern_ce = zend_register_internal_class(&ce);
	+ php_phongo_readconcern_ce->create_object = php_phongo_readconcern_create_object;
	+ PHONGO_CE_FINAL(php_phongo_readconcern_ce);
	+
	+ zend_class_implements(php_phongo_readconcern_ce, 1, php_phongo_serializable_ce);
	+ zend_class_implements(php_phongo_readconcern_ce, 1, zend_ce_serializable);
	+
	+ memcpy(&php_phongo_handler_readconcern, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_readconcern.get_debug_info = php_phongo_readconcern_get_debug_info;
	+ php_phongo_handler_readconcern.get_properties = php_phongo_readconcern_get_properties;
	+ php_phongo_handler_readconcern.free_obj = php_phongo_readconcern_free_object;
	+ php_phongo_handler_readconcern.offset = XtOffsetOf(php_phongo_readconcern_t, std);
	+
	+ zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("LOCAL"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_LOCAL));
	+ zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("MAJORITY"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_MAJORITY));
	+ zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("LINEARIZABLE"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_LINEARIZABLE));
	+ zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("AVAILABLE"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_AVAILABLE));
	+ zend_declare_class_constant_stringl(php_phongo_readconcern_ce, ZEND_STRL("SNAPSHOT"), ZEND_STRL(MONGOC_READ_CONCERN_LEVEL_SNAPSHOT));
	+} /* }}} */
	+
	+void phongo_readconcern_init(zval* return_value, const mongoc_read_concern_t* read_concern) /* {{{ */
	+{
	+ php_phongo_readconcern_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_readconcern_ce);
	+
	+ intern = Z_READCONCERN_OBJ_P(return_value);
	+ intern->read_concern = mongoc_read_concern_copy(read_concern);
	+}
	+/* }}} */
	+
	+const mongoc_read_concern_t* phongo_read_concern_from_zval(zval* zread_concern) /* {{{ */
	+{
	+ if (zread_concern) {
	+ php_phongo_readconcern_t* intern = Z_READCONCERN_OBJ_P(zread_concern);
	+
	+ if (intern) {
	+ return intern->read_concern;
	+ }
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+void php_phongo_read_concern_to_zval(zval* retval, const mongoc_read_concern_t* read_concern) /* {{{ */
	+{
	+ const char* level = mongoc_read_concern_get_level(read_concern);
	+
	+ array_init_size(retval, 1);
	+
	+ if (level) {
	+ ADD_ASSOC_STRING(retval, "level", level);
	+ }
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/ReadConcern.h b/mongodb-1.13.0/src/MongoDB/ReadConcern.h
	new file mode 100644
	index 00000000..395de99b
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ReadConcern.h
	@@ -0,0 +1,30 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_READCONCERN_H
	+#define PHONGO_READCONCERN_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+void phongo_readconcern_init(zval* return_value, const mongoc_read_concern_t* read_concern);
	+
	+const mongoc_read_concern_t* phongo_read_concern_from_zval(zval* zread_concern);
	+
	+void php_phongo_read_concern_to_zval(zval* retval, const mongoc_read_concern_t* read_concern);
	+
	+#endif /* PHONGO_READCONCERN_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/ReadPreference.c b/mongodb-1.13.0/src/MongoDB/ReadPreference.c
	new file mode 100644
	index 00000000..3dafcbdb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ReadPreference.c
	@@ -0,0 +1,894 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/ReadPreference.h"
	+
	+zend_class_entry* php_phongo_readpreference_ce;
	+
	+#define PHONGO_READ_PRIMARY "primary"
	+#define PHONGO_READ_PRIMARY_PREFERRED "primaryPreferred"
	+#define PHONGO_READ_SECONDARY "secondary"
	+#define PHONGO_READ_SECONDARY_PREFERRED "secondaryPreferred"
	+#define PHONGO_READ_NEAREST "nearest"
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_readpreference_init_from_hash(php_phongo_readpreference_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval mode, tagSets, maxStalenessSeconds, hedge;
	+
	+ if ((mode = zend_hash_str_find(props, "mode", sizeof("mode") - 1)) && Z_TYPE_P(mode) == IS_STRING) {
	+ if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY_PREFERRED) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY_PREFERRED);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY_PREFERRED) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY_PREFERRED);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_NEAREST) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_NEAREST);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires specific values for \"mode\" string field", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ return false;
	+ }
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"mode\" field to be string", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ return false;
	+ }
	+
	+ if ((tagSets = zend_hash_str_find(props, "tags", sizeof("tags") - 1))) {
	+ ZVAL_DEREF(tagSets);
	+ if (Z_TYPE_P(tagSets) == IS_ARRAY) {
	+ bson_t* tags = bson_new();
	+
	+ /* Separate tagSets as php_phongo_read_preference_prep_tagsets may
	+ * modify these tags. */
	+ SEPARATE_ZVAL_NOREF(tagSets);
	+
	+ php_phongo_read_preference_prep_tagsets(tagSets);
	+ php_phongo_zval_to_bson(tagSets, PHONGO_BSON_NONE, (bson_t*) tags, NULL);
	+
	+ if (!php_phongo_read_preference_tags_are_valid(tags)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"tags\" array field to have zero or more documents", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ bson_destroy(tags);
	+ goto failure;
	+ }
	+
	+ if (!bson_empty(tags) && (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"tags\" array field to not be present with \"primary\" mode", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ bson_destroy(tags);
	+ goto failure;
	+ }
	+
	+ mongoc_read_prefs_set_tags(intern->read_preference, tags);
	+ bson_destroy(tags);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"tags\" field to be array", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ goto failure;
	+ }
	+ }
	+
	+ if ((maxStalenessSeconds = zend_hash_str_find(props, "maxStalenessSeconds", sizeof("maxStalenessSeconds") - 1))) {
	+ if (Z_TYPE_P(maxStalenessSeconds) == IS_LONG) {
	+ if (Z_LVAL_P(maxStalenessSeconds) != MONGOC_NO_MAX_STALENESS) {
	+ if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" field to not be present with \"primary\" mode", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ goto failure;
	+ }
	+ if (Z_LVAL_P(maxStalenessSeconds) < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" integer field to be >= %d", ZSTR_VAL(php_phongo_readpreference_ce->name), MONGOC_SMALLEST_MAX_STALENESS_SECONDS);
	+ goto failure;
	+ }
	+ if (Z_LVAL_P(maxStalenessSeconds) > INT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" integer field to be <= %" PRId32, ZSTR_VAL(php_phongo_readpreference_ce->name), INT32_MAX);
	+ goto failure;
	+ }
	+ }
	+
	+ mongoc_read_prefs_set_max_staleness_seconds(intern->read_preference, Z_LVAL_P(maxStalenessSeconds));
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"maxStalenessSeconds\" field to be integer", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ goto failure;
	+ }
	+ }
	+
	+ if ((hedge = zend_hash_str_find(props, "hedge", sizeof("hedge") - 1))) {
	+ if (Z_TYPE_P(hedge) == IS_ARRAY \|\| Z_TYPE_P(hedge) == IS_OBJECT) {
	+ bson_t* hedge_doc = bson_new();
	+
	+ if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"hedge\" field to not be present with \"primary\" mode", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ bson_destroy(hedge_doc);
	+ goto failure;
	+ }
	+
	+ php_phongo_zval_to_bson(hedge, PHONGO_BSON_NONE, hedge_doc, NULL);
	+
	+ if (EG(exception)) {
	+ bson_destroy(hedge_doc);
	+ goto failure;
	+ }
	+
	+ mongoc_read_prefs_set_hedge(intern->read_preference, hedge_doc);
	+ bson_destroy(hedge_doc);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"hedge\" field to be an array or object", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ goto failure;
	+ }
	+ }
	+
	+ if (!mongoc_read_prefs_is_valid(intern->read_preference)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference is not valid");
	+ goto failure;
	+ }
	+
	+ return true;
	+
	+failure:
	+ mongoc_read_prefs_destroy(intern->read_preference);
	+ intern->read_preference = NULL;
	+ return false;
	+} /* }}} */
	+
	+static const char* php_phongo_readpreference_get_mode_string(mongoc_read_mode_t mode) /* {{{ */
	+{
	+ switch (mode) {
	+ case MONGOC_READ_PRIMARY:
	+ return PHONGO_READ_PRIMARY;
	+ case MONGOC_READ_PRIMARY_PREFERRED:
	+ return PHONGO_READ_PRIMARY_PREFERRED;
	+ case MONGOC_READ_SECONDARY:
	+ return PHONGO_READ_SECONDARY;
	+ case MONGOC_READ_SECONDARY_PREFERRED:
	+ return PHONGO_READ_SECONDARY_PREFERRED;
	+ case MONGOC_READ_NEAREST:
	+ return PHONGO_READ_NEAREST;
	+ default:
	+ /* Should never happen, but if it does: exception */
	+ phongo_throw_exception(PHONGO_ERROR_LOGIC, "Mode '%d' should never have been passed to php_phongo_readpreference_get_mode_string, please file a bug report", mode);
	+ break;
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ReadPreference::__construct(int\|string $mode[, array $tagSets = array()[, array $options = array()]])
	+ Constructs a new ReadPreference */
	+static PHP_METHOD(ReadPreference, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ zval* mode;
	+ zval* tagSets = NULL;
	+ zval* options = NULL;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ /* Separate the tagSets zval, since we may end up modifying it in
	+ * php_phongo_read_preference_prep_tagsets() below. */
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "z\|a/!a!", &mode, &tagSets, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (Z_TYPE_P(mode) == IS_LONG) {
	+ switch (Z_LVAL_P(mode)) {
	+ case MONGOC_READ_PRIMARY:
	+ case MONGOC_READ_SECONDARY:
	+ case MONGOC_READ_PRIMARY_PREFERRED:
	+ case MONGOC_READ_SECONDARY_PREFERRED:
	+ case MONGOC_READ_NEAREST:
	+ intern->read_preference = mongoc_read_prefs_new(Z_LVAL_P(mode));
	+ break;
	+ default:
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid mode: %" PHONGO_LONG_FORMAT, Z_LVAL_P(mode));
	+ return;
	+ }
	+ } else if (Z_TYPE_P(mode) == IS_STRING) {
	+ if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_PRIMARY_PREFERRED) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_PRIMARY_PREFERRED);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_SECONDARY_PREFERRED) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_SECONDARY_PREFERRED);
	+ } else if (strcasecmp(Z_STRVAL_P(mode), PHONGO_READ_NEAREST) == 0) {
	+ intern->read_preference = mongoc_read_prefs_new(MONGOC_READ_NEAREST);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid mode: '%s'", Z_STRVAL_P(mode));
	+ return;
	+ }
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected mode to be integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(mode));
	+ return;
	+ }
	+
	+ if (tagSets) {
	+ bson_t* tags = bson_new();
	+
	+ php_phongo_read_preference_prep_tagsets(tagSets);
	+ php_phongo_zval_to_bson(tagSets, PHONGO_BSON_NONE, (bson_t*) tags, NULL);
	+
	+ if (!php_phongo_read_preference_tags_are_valid(tags)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "tagSets must be an array of zero or more documents");
	+ bson_destroy(tags);
	+ return;
	+ }
	+
	+ if (!bson_empty(tags) && (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "tagSets may not be used with primary mode");
	+ bson_destroy(tags);
	+ return;
	+ }
	+
	+ mongoc_read_prefs_set_tags(intern->read_preference, tags);
	+ bson_destroy(tags);
	+ }
	+
	+ if (options && php_array_exists(options, "maxStalenessSeconds")) {
	+ zend_long maxStalenessSeconds = php_array_fetchc_long(options, "maxStalenessSeconds");
	+
	+ if (maxStalenessSeconds != MONGOC_NO_MAX_STALENESS) {
	+ if (maxStalenessSeconds < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be >= %d, %" PHONGO_LONG_FORMAT " given", MONGOC_SMALLEST_MAX_STALENESS_SECONDS, maxStalenessSeconds);
	+ return;
	+ }
	+ if (maxStalenessSeconds > INT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be <= %" PRId32 ", %" PHONGO_LONG_FORMAT " given", INT32_MAX, maxStalenessSeconds);
	+ return;
	+ }
	+ if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "maxStalenessSeconds may not be used with primary mode");
	+ return;
	+ }
	+ }
	+
	+ mongoc_read_prefs_set_max_staleness_seconds(intern->read_preference, maxStalenessSeconds);
	+ }
	+
	+ if (options && php_array_exists(options, "hedge")) {
	+ zval* hedge = php_array_fetchc(options, "hedge");
	+
	+ if (Z_TYPE_P(hedge) == IS_ARRAY \|\| Z_TYPE_P(hedge) == IS_OBJECT) {
	+ bson_t* hedge_doc = bson_new();
	+
	+ if (mongoc_read_prefs_get_mode(intern->read_preference) == MONGOC_READ_PRIMARY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "hedge may not be used with primary mode");
	+ bson_destroy(hedge_doc);
	+ return;
	+ }
	+
	+ php_phongo_zval_to_bson(hedge, PHONGO_BSON_NONE, hedge_doc, NULL);
	+
	+ if (EG(exception)) {
	+ bson_destroy(hedge_doc);
	+ return;
	+ }
	+
	+ mongoc_read_prefs_set_hedge(intern->read_preference, hedge_doc);
	+ bson_destroy(hedge_doc);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"hedge\" field to be an array or object", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+ return;
	+ }
	+ }
	+
	+ if (!mongoc_read_prefs_is_valid(intern->read_preference)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference is not valid");
	+ return;
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ReadPreference MongoDB\Driver\ReadPreference::__set_state(array $properties)
	+*/
	+static PHP_METHOD(ReadPreference, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ /* Separate the zval, since we may end up modifying the "tags" element in
	+ * php_phongo_read_preference_prep_tagsets(), which is called from
	+ * php_phongo_readpreference_init_from_hash. */
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a/", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_readpreference_ce);
	+
	+ intern = Z_READPREFERENCE_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_readpreference_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto array\|null MongoDB\Driver\ReadPreference::getHedge()
	+ Returns the ReadPreference hedge document */
	+static PHP_METHOD(ReadPreference, getHedge)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ const bson_t* hedge;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ hedge = mongoc_read_prefs_get_hedge(intern->read_preference);
	+
	+ if (!bson_empty0(hedge)) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(hedge), hedge->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+ } else {
	+ RETURN_NULL();
	+ }
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\ReadPreference::getMaxStalenessSeconds()
	+ Returns the ReadPreference maxStalenessSeconds value */
	+static PHP_METHOD(ReadPreference, getMaxStalenessSeconds)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference));
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\ReadPreference::getMode()
	+ Returns the ReadPreference mode */
	+static PHP_METHOD(ReadPreference, getMode)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(mongoc_read_prefs_get_mode(intern->read_preference));
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\ReadPreference::getModeString()
	+ Returns the ReadPreference mode as string */
	+static PHP_METHOD(ReadPreference, getModeString)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ const char* mode_string;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ mode_string = php_phongo_readpreference_get_mode_string(mongoc_read_prefs_get_mode(intern->read_preference));
	+ if (!mode_string) {
	+ /* Exception already thrown */
	+ return;
	+ }
	+
	+ RETURN_STRING(mode_string);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ReadPreference::getTagSets()
	+ Returns the ReadPreference tag sets */
	+static PHP_METHOD(ReadPreference, getTagSets)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ const bson_t* tags;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ tags = mongoc_read_prefs_get_tags(intern->read_preference);
	+
	+ if (tags->len) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(tags), tags->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+ } else {
	+ RETURN_NULL();
	+ }
	+} /* }}} */
	+
	+static HashTable* php_phongo_readpreference_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp) /* {{{ */
	+{
	+ php_phongo_readpreference_t* intern;
	+ HashTable* props;
	+ const char* modeString = NULL;
	+ const bson_t* tags;
	+ const bson_t* hedge;
	+ mongoc_read_mode_t mode;
	+
	+ intern = Z_OBJ_READPREFERENCE(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 4);
	+
	+ if (!intern->read_preference) {
	+ return props;
	+ }
	+
	+ tags = mongoc_read_prefs_get_tags(intern->read_preference);
	+ mode = mongoc_read_prefs_get_mode(intern->read_preference);
	+ modeString = php_phongo_readpreference_get_mode_string(mode);
	+ hedge = mongoc_read_prefs_get_hedge(intern->read_preference);
	+
	+ if (modeString) {
	+ zval z_mode;
	+
	+ ZVAL_STRING(&z_mode, modeString);
	+ zend_hash_str_update(props, "mode", sizeof("mode") - 1, &z_mode);
	+ }
	+
	+ if (!bson_empty0(tags)) {
	+ php_phongo_bson_state state;
	+
	+ /* Use PHONGO_TYPEMAP_NATIVE_ARRAY for the root type since tags is an
	+ * array; however, inner documents and arrays can use the default. */
	+ PHONGO_BSON_INIT_STATE(state);
	+ state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(tags), tags->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto done;
	+ }
	+
	+ zend_hash_str_update(props, "tags", sizeof("tags") - 1, &state.zchild);
	+ }
	+
	+ if (mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference) != MONGOC_NO_MAX_STALENESS) {
	+ /* Note: valid values for maxStalesnessSeconds will not exceed the range
	+ * of 32-bit signed integers, so conditional encoding is not necessary. */
	+ long maxStalenessSeconds = mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference);
	+ zval z_max_ss;
	+
	+ ZVAL_LONG(&z_max_ss, maxStalenessSeconds);
	+ zend_hash_str_update(props, "maxStalenessSeconds", sizeof("maxStalenessSeconds") - 1, &z_max_ss);
	+ }
	+
	+ if (!bson_empty0(hedge)) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(hedge), hedge->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto done;
	+ }
	+
	+ zend_hash_str_update(props, "hedge", sizeof("hedge") - 1, &state.zchild);
	+ }
	+
	+done:
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ReadPreference::bsonSerialize()
	+*/
	+static PHP_METHOD(ReadPreference, bsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ ZVAL_ARR(return_value, php_phongo_readpreference_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+ convert_to_object(return_value);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\ReadPreference::serialize()
	+*/
	+static PHP_METHOD(ReadPreference, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+ const char* modeString = NULL;
	+ const bson_t* tags;
	+ const bson_t* hedge;
	+ int64_t maxStalenessSeconds;
	+ mongoc_read_mode_t mode;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!intern->read_preference) {
	+ return;
	+ }
	+
	+ tags = mongoc_read_prefs_get_tags(intern->read_preference);
	+ mode = mongoc_read_prefs_get_mode(intern->read_preference);
	+ modeString = php_phongo_readpreference_get_mode_string(mode);
	+ maxStalenessSeconds = mongoc_read_prefs_get_max_staleness_seconds(intern->read_preference);
	+ hedge = mongoc_read_prefs_get_hedge(intern->read_preference);
	+
	+ array_init_size(&retval, 4);
	+
	+ if (modeString) {
	+ ADD_ASSOC_STRING(&retval, "mode", modeString);
	+ }
	+
	+ if (!bson_empty0(tags)) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(tags), tags->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "tags", &state.zchild);
	+ }
	+
	+ if (maxStalenessSeconds != MONGOC_NO_MAX_STALENESS) {
	+ ADD_ASSOC_LONG_EX(&retval, "maxStalenessSeconds", maxStalenessSeconds);
	+ }
	+
	+ if (!bson_empty0(hedge)) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(hedge), hedge->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "hedge", &state.zchild);
	+ }
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ReadPreference::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(ReadPreference, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_readpreference_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_READPREFERENCE_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!serialized_len) {
	+ return;
	+ }
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_readpreference_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_readpreference_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ReadPreference::__serialize()
	+*/
	+static PHP_METHOD(ReadPreference, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_readpreference_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ReadPreference::__unserialize(array $data)
	+*/
	+static PHP_METHOD(ReadPreference, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_readpreference_init_from_hash(Z_READPREFERENCE_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\ReadPreference function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, mode)
	+ ZEND_ARG_ARRAY_INFO(0, tagSets, 1)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ReadPreference_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_readpreference_me[] = {
	+ /* clang-format off */
	+ PHP_ME(ReadPreference, __construct, ai_ReadPreference___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, __serialize, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, __set_state, ai_ReadPreference___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(ReadPreference, __unserialize, ai_ReadPreference___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, getHedge, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, getMaxStalenessSeconds, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, getMode, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, getModeString, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, getTagSets, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, bsonSerialize, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, serialize, ai_ReadPreference_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ReadPreference, unserialize, ai_ReadPreference_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\ReadPreference object handlers */
	+static zend_object_handlers php_phongo_handler_readpreference;
	+
	+static void php_phongo_readpreference_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_readpreference_t* intern = Z_OBJ_READPREFERENCE(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+
	+ if (intern->read_preference) {
	+ mongoc_read_prefs_destroy(intern->read_preference);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_readpreference_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_readpreference_t* intern = zend_object_alloc(sizeof(php_phongo_readpreference_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_readpreference;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_readpreference_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_readpreference_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_readpreference_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_readpreference_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_readpreference_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ReadPreference", php_phongo_readpreference_me);
	+ php_phongo_readpreference_ce = zend_register_internal_class(&ce);
	+ php_phongo_readpreference_ce->create_object = php_phongo_readpreference_create_object;
	+ PHONGO_CE_FINAL(php_phongo_readpreference_ce);
	+
	+ zend_class_implements(php_phongo_readpreference_ce, 1, php_phongo_serializable_ce);
	+ zend_class_implements(php_phongo_readpreference_ce, 1, zend_ce_serializable);
	+
	+ memcpy(&php_phongo_handler_readpreference, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_readpreference.get_debug_info = php_phongo_readpreference_get_debug_info;
	+ php_phongo_handler_readpreference.get_properties = php_phongo_readpreference_get_properties;
	+ php_phongo_handler_readpreference.free_obj = php_phongo_readpreference_free_object;
	+ php_phongo_handler_readpreference.offset = XtOffsetOf(php_phongo_readpreference_t, std);
	+
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_PRIMARY"), MONGOC_READ_PRIMARY);
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_PRIMARY_PREFERRED"), MONGOC_READ_PRIMARY_PREFERRED);
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_SECONDARY"), MONGOC_READ_SECONDARY);
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_SECONDARY_PREFERRED"), MONGOC_READ_SECONDARY_PREFERRED);
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("RP_NEAREST"), MONGOC_READ_NEAREST);
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("NO_MAX_STALENESS"), MONGOC_NO_MAX_STALENESS);
	+ zend_declare_class_constant_long(php_phongo_readpreference_ce, ZEND_STRL("SMALLEST_MAX_STALENESS_SECONDS"), MONGOC_SMALLEST_MAX_STALENESS_SECONDS);
	+
	+ zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("PRIMARY"), PHONGO_READ_PRIMARY);
	+ zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("PRIMARY_PREFERRED"), PHONGO_READ_PRIMARY_PREFERRED);
	+ zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("SECONDARY"), PHONGO_READ_SECONDARY);
	+ zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("SECONDARY_PREFERRED"), PHONGO_READ_SECONDARY_PREFERRED);
	+ zend_declare_class_constant_string(php_phongo_readpreference_ce, ZEND_STRL("NEAREST"), PHONGO_READ_NEAREST);
	+} /* }}} */
	+
	+void phongo_readpreference_init(zval* return_value, const mongoc_read_prefs_t* read_prefs) /* {{{ */
	+{
	+ php_phongo_readpreference_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_readpreference_ce);
	+
	+ intern = Z_READPREFERENCE_OBJ_P(return_value);
	+ intern->read_preference = mongoc_read_prefs_copy(read_prefs);
	+}
	+/* }}} */
	+
	+const mongoc_read_prefs_t* phongo_read_preference_from_zval(zval* zread_preference) /* {{{ */
	+{
	+ if (zread_preference) {
	+ php_phongo_readpreference_t* intern = Z_READPREFERENCE_OBJ_P(zread_preference);
	+
	+ if (intern) {
	+ return intern->read_preference;
	+ }
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+/* }}} */
	+
	+/* Prepare tagSets for BSON encoding by converting each array in the set to an
	+ * object. This ensures that empty arrays will serialize as empty documents.
	+ *
	+ * php_phongo_read_preference_tags_are_valid() handles actual validation of the
	+ * tag set structure. */
	+void php_phongo_read_preference_prep_tagsets(zval* tagSets) /* {{{ */
	+{
	+ HashTable* ht_data;
	+ zval* tagSet;
	+
	+ if (Z_TYPE_P(tagSets) != IS_ARRAY) {
	+ return;
	+ }
	+
	+ ht_data = HASH_OF(tagSets);
	+
	+ ZEND_HASH_FOREACH_VAL_IND(ht_data, tagSet)
	+ {
	+ ZVAL_DEREF(tagSet);
	+ if (Z_TYPE_P(tagSet) == IS_ARRAY) {
	+ SEPARATE_ZVAL_NOREF(tagSet);
	+ convert_to_object(tagSet);
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+} /* }}} */
	+
	+/* Checks if tags is valid to set on a mongoc_read_prefs_t. It may be null or an
	+ * array of one or more documents. */
	+bool php_phongo_read_preference_tags_are_valid(const bson_t* tags) /* {{{ */
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_empty0(tags)) {
	+ return true;
	+ }
	+
	+ if (!bson_iter_init(&iter, tags)) {
	+ return false;
	+ }
	+
	+ while (bson_iter_next(&iter)) {
	+ if (!BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/ReadPreference.h b/mongodb-1.13.0/src/MongoDB/ReadPreference.h
	new file mode 100644
	index 00000000..9ede1819
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ReadPreference.h
	@@ -0,0 +1,32 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_READPREFERENCE_H
	+#define PHONGO_READPREFERENCE_H
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+void phongo_readpreference_init(zval* return_value, const mongoc_read_prefs_t* read_prefs);
	+
	+const mongoc_read_prefs_t* phongo_read_preference_from_zval(zval* zread_preference);
	+
	+void php_phongo_read_preference_prep_tagsets(zval* tagSets);
	+bool php_phongo_read_preference_tags_are_valid(const bson_t* tags);
	+
	+#endif /* PHONGO_READPREFERENCE_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/Server.c b/mongodb-1.13.0/src/MongoDB/Server.c
	new file mode 100644
	index 00000000..63624c15
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Server.c
	@@ -0,0 +1,846 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_client.h"
	+#include "phongo_error.h"
	+#include "phongo_execute.h"
	+#include "phongo_util.h"
	+
	+#include "MongoDB/Server.h"
	+#include "MongoDB/ServerDescription.h"
	+
	+zend_class_entry* php_phongo_server_ce;
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	+ Executes a Command on this Server */
	+static PHP_METHOD(Server, executeCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+ bool free_options = false;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ phongo_execute_command(&intern->manager, PHONGO_COMMAND_RAW, db, command, options, intern->server_id, return_value);
	+
	+ if (free_options) {
	+ php_phongo_prep_legacy_option_free(options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeReadCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	+ Executes a ReadCommand on this Server */
	+static PHP_METHOD(Server, executeReadCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ phongo_execute_command(&intern->manager, PHONGO_COMMAND_READ, db, command, options, intern->server_id, return_value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	+ Executes a WriteCommand on this Server */
	+static PHP_METHOD(Server, executeWriteCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated. and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ phongo_execute_command(&intern->manager, PHONGO_COMMAND_WRITE, db, command, options, intern->server_id, return_value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeReadWriteCommand(string $db, MongoDB\Driver\Command $command[, array $options = null]))
	+ Executes a ReadWriteCommand on this Server */
	+static PHP_METHOD(Server, executeReadWriteCommand)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ char* db;
	+ size_t db_len;
	+ zval* command;
	+ zval* options = NULL;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|a!", &db, &db_len, &command, php_phongo_command_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ phongo_execute_command(&intern->manager, PHONGO_COMMAND_READ_WRITE, db, command, options, intern->server_id, return_value);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Cursor MongoDB\Driver\Server::executeQuery(string $namespace, MongoDB\Driver\Query $query[, array $options = null]))
	+ Executes a Query on this Server */
	+static PHP_METHOD(Server, executeQuery)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ char* namespace;
	+ size_t namespace_len;
	+ zval* query;
	+ zval* options = NULL;
	+ bool free_options = false;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &query, php_phongo_query_ce, &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ options = php_phongo_prep_legacy_option(options, "readPreference", &free_options);
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that cursors created by this process can be differentiated and its
	+ * session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ phongo_execute_query(&intern->manager, namespace, query, options, intern->server_id, return_value);
	+
	+ if (free_options) {
	+ php_phongo_prep_legacy_option_free(options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\WriteResult MongoDB\Driver\Server::executeBulkWrite(string $namespace, MongoDB\Driver\BulkWrite $zbulk[, array $options = null])
	+ Executes a BulkWrite (i.e. any number of insert, update, and delete ops) on
	+ this Server */
	+static PHP_METHOD(Server, executeBulkWrite)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ char* namespace;
	+ size_t namespace_len;
	+ zval* zbulk;
	+ php_phongo_bulkwrite_t* bulk;
	+ zval* options = NULL;
	+ bool free_options = false;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "sO\|z!", &namespace, &namespace_len, &zbulk, php_phongo_bulkwrite_ce, &options, php_phongo_writeconcern_ce) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ bulk = Z_BULKWRITE_OBJ_P(zbulk);
	+
	+ options = php_phongo_prep_legacy_option(options, "writeConcern", &free_options);
	+
	+ /* If the Server was created in a different process, reset the client so
	+ * that its session pool is cleared. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ phongo_execute_bulk_write(&intern->manager, namespace, bulk, options, intern->server_id, return_value);
	+
	+ if (free_options) {
	+ php_phongo_prep_legacy_option_free(options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\Server::getHost()
	+ Returns the hostname for this Server */
	+static PHP_METHOD(Server, getHost)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ RETVAL_STRING(mongoc_server_description_host(sd)->host);
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Server::getTags()
	+ Returns the currently configured tags for this Server */
	+static PHP_METHOD(Server, getTags)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ const bson_t* hello_response = mongoc_server_description_hello_response(sd);
	+ bson_iter_t iter;
	+
	+ if (bson_iter_init_find(&iter, hello_response, "tags") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ const uint8_t* bytes;
	+ uint32_t len;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+ bson_iter_document(&iter, &len, &bytes);
	+
	+ if (!php_phongo_bson_to_zval_ex(bytes, len, &state)) {
	+ /* Exception should already have been thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ mongoc_server_description_destroy(sd);
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+ }
	+
	+ array_init(return_value);
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\Server::getInfo()
	+ Returns the last hello response for this Server or, in the case of a load
	+ balancer, the initial handshake response. */
	+static PHP_METHOD(Server, getInfo)
	+{
	+ php_phongo_server_t* intern;
	+ mongoc_client_t* client;
	+ mongoc_server_description_t* sd;
	+ mongoc_server_description_t* handshake_sd = NULL;
	+ const bson_t* hello_response;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+ client = Z_MANAGER_OBJ_P(&intern->manager)->client;
	+
	+ if (!(sd = mongoc_client_get_server_description(client, intern->server_id))) {
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+ return;
	+ }
	+
	+ hello_response = mongoc_server_description_hello_response(sd);
	+
	+ /* If the server description is a load balancer, its hello_response will be
	+ * empty. Instead, report the hello_response from the handshake description
	+ * (i.e. backing server). */
	+ if (!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_LOAD_BALANCER].name)) {
	+ bson_error_t error = { 0 };
	+
	+ if (!(handshake_sd = mongoc_client_get_handshake_description(client, intern->server_id, NULL, &error))) {
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get handshake server description: %s", error.message);
	+ goto cleanup;
	+ }
	+
	+ hello_response = mongoc_server_description_hello_response(handshake_sd);
	+ }
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(hello_response), hello_response->len, &state)) {
	+ /* Exception should already have been thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ goto cleanup;
	+ }
	+
	+ RETVAL_ZVAL(&state.zchild, 0, 1);
	+
	+cleanup:
	+ if (handshake_sd) {
	+ mongoc_server_description_destroy(handshake_sd);
	+ }
	+
	+ mongoc_server_description_destroy(sd);
	+} /* }}} */
	+
	+/* {{{ proto integer\|null MongoDB\Driver\Server::getLatency()
	+ Returns the measured latency (i.e. round trip time in milliseconds) for
	+ this Server, or null if unset. */
	+static PHP_METHOD(Server, getLatency)
	+{
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ if (!(sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+ return;
	+ }
	+
	+ /* TODO: Use MONGOC_RTT_UNSET once it is added to libmongoc's public API (CDRIVER-4176) */
	+ if (mongoc_server_description_round_trip_time(sd) == -1) {
	+ RETVAL_NULL();
	+ } else {
	+ RETVAL_LONG((zend_long) mongoc_server_description_round_trip_time(sd));
	+ }
	+
	+ mongoc_server_description_destroy(sd);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\Server::getPort()
	+ Returns the port for this Server */
	+static PHP_METHOD(Server, getPort)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ RETVAL_LONG(mongoc_server_description_host(sd)->port);
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ServerDescription MongoDB\Driver\Server::getServerDescription()
	+ Returns the server description for this Server */
	+static PHP_METHOD(Server, getServerDescription)
	+{
	+ mongoc_server_description_t* server_description;
	+ php_phongo_server_t* intern = Z_SERVER_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ server_description = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id);
	+
	+ /* Avoid making another copy in phongo_serverdescription_init */
	+ phongo_serverdescription_init_ex(return_value, server_description, false);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\Server::getType()
	+ Returns the node type of this Server */
	+static PHP_METHOD(Server, getType)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ RETVAL_LONG(php_phongo_server_description_type(sd));
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\Server::isPrimary()
	+ Returns whether this Server is a primary member of a replica set */
	+static PHP_METHOD(Server, isPrimary)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ RETVAL_BOOL(!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_PRIMARY].name));
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\Server::isSecondary()
	+ Returns whether this Server is a secondary member of a replica set */
	+static PHP_METHOD(Server, isSecondary)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ RETVAL_BOOL(!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_SECONDARY].name));
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\Server::isArbiter()
	+ Returns whether this Server is an arbiter member of a replica set */
	+static PHP_METHOD(Server, isArbiter)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ RETVAL_BOOL(!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_ARBITER].name));
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\Server::isHidden()
	+ Returns whether this Server is a hidden member of a replica set */
	+static PHP_METHOD(Server, isHidden)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ bson_iter_t iter;
	+
	+ RETVAL_BOOL(bson_iter_init_find_case(&iter, mongoc_server_description_hello_response(sd), "hidden") && bson_iter_as_bool(&iter));
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\Server::isPassive()
	+ Returns whether this Server is a passive member of a replica set */
	+static PHP_METHOD(Server, isPassive)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_server_t* intern;
	+ mongoc_server_description_t* sd;
	+
	+ intern = Z_SERVER_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if ((sd = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern->manager)->client, intern->server_id))) {
	+ bson_iter_t iter;
	+
	+ RETVAL_BOOL(bson_iter_init_find_case(&iter, mongoc_server_description_hello_response(sd), "passive") && bson_iter_as_bool(&iter));
	+ mongoc_server_description_destroy(sd);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Server function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeCommand, 0, 0, 2)
	+ ZEND_ARG_INFO(0, db)
	+ ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	+ ZEND_ARG_INFO(0, options)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeRWCommand, 0, 0, 2)
	+ ZEND_ARG_INFO(0, db)
	+ ZEND_ARG_OBJ_INFO(0, command, MongoDB\\Driver\\Command, 0)
	+ ZEND_ARG_ARRAY_INFO(0, options, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeQuery, 0, 0, 2)
	+ ZEND_ARG_INFO(0, namespace)
	+ ZEND_ARG_OBJ_INFO(0, zquery, MongoDB\\Driver\\Query, 0)
	+ ZEND_ARG_INFO(0, options)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Server_executeBulkWrite, 0, 0, 2)
	+ ZEND_ARG_INFO(0, namespace)
	+ ZEND_ARG_OBJ_INFO(0, zbulk, MongoDB\\Driver\\BulkWrite, 0)
	+ ZEND_ARG_INFO(0, options)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Server_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_server_me[] = {
	+ /* clang-format off */
	+ PHP_ME(Server, executeCommand, ai_Server_executeCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, executeReadCommand, ai_Server_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, executeWriteCommand, ai_Server_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, executeReadWriteCommand, ai_Server_executeRWCommand, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, executeQuery, ai_Server_executeQuery, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, executeBulkWrite, ai_Server_executeBulkWrite, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getHost, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getTags, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getInfo, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getLatency, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getPort, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getServerDescription, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, getType, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, isPrimary, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, isSecondary, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, isArbiter, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, isHidden, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Server, isPassive, ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Server_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Server_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Server object handlers */
	+static zend_object_handlers php_phongo_handler_server;
	+
	+static int php_phongo_server_compare_objects(zval* o1, zval* o2) /* {{{ */
	+{
	+ php_phongo_server_t* intern1;
	+ php_phongo_server_t* intern2;
	+ mongoc_server_description_t sd1, sd2;
	+ int retval = 0;
	+
	+ ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
	+
	+ intern1 = Z_SERVER_OBJ_P(o1);
	+ intern2 = Z_SERVER_OBJ_P(o2);
	+
	+ sd1 = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern1->manager)->client, intern1->server_id);
	+ sd2 = mongoc_client_get_server_description(Z_MANAGER_OBJ_P(&intern2->manager)->client, intern2->server_id);
	+
	+ if (sd1 && sd2) {
	+ retval = strcasecmp(mongoc_server_description_host(sd1)->host_and_port, mongoc_server_description_host(sd2)->host_and_port);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description(s)");
	+ }
	+
	+ if (sd1) {
	+ mongoc_server_description_destroy(sd1);
	+ }
	+
	+ if (sd2) {
	+ mongoc_server_description_destroy(sd2);
	+ }
	+
	+ return retval;
	+} /* }}} */
	+
	+static void php_phongo_server_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_server_t* intern = Z_OBJ_SERVER(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_server_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_server_t* intern = zend_object_alloc(sizeof(php_phongo_server_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ PHONGO_SET_CREATED_BY_PID(intern);
	+
	+ intern->std.handlers = &php_phongo_handler_server;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_server_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_server_t* intern = NULL;
	+ zval retval = ZVAL_STATIC_INIT;
	+ mongoc_client_t* client;
	+ mongoc_server_description_t* sd;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_SERVER(PHONGO_COMPAT_GET_OBJ(object));
	+ client = Z_MANAGER_OBJ_P(&intern->manager)->client;
	+
	+ if (!(sd = mongoc_client_get_server_description(client, intern->server_id))) {
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get server description");
	+ return NULL;
	+ }
	+
	+ php_phongo_server_to_zval(&retval, client, sd);
	+ mongoc_server_description_destroy(sd);
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_server_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Server", php_phongo_server_me);
	+ php_phongo_server_ce = zend_register_internal_class(&ce);
	+ php_phongo_server_ce->create_object = php_phongo_server_create_object;
	+ PHONGO_CE_FINAL(php_phongo_server_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_server_ce);
	+
	+ memcpy(&php_phongo_handler_server, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(server);
	+ php_phongo_handler_server.get_debug_info = php_phongo_server_get_debug_info;
	+ php_phongo_handler_server.free_obj = php_phongo_server_free_object;
	+ php_phongo_handler_server.offset = XtOffsetOf(php_phongo_server_t, std);
	+
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_UNKNOWN"), PHONGO_SERVER_UNKNOWN);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_STANDALONE"), PHONGO_SERVER_STANDALONE);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_MONGOS"), PHONGO_SERVER_MONGOS);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_POSSIBLE_PRIMARY"), PHONGO_SERVER_POSSIBLE_PRIMARY);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_PRIMARY"), PHONGO_SERVER_RS_PRIMARY);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_SECONDARY"), PHONGO_SERVER_RS_SECONDARY);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_ARBITER"), PHONGO_SERVER_RS_ARBITER);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_OTHER"), PHONGO_SERVER_RS_OTHER);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_RS_GHOST"), PHONGO_SERVER_RS_GHOST);
	+ zend_declare_class_constant_long(php_phongo_server_ce, ZEND_STRL("TYPE_LOAD_BALANCER"), PHONGO_SERVER_LOAD_BALANCER);
	+} /* }}} */
	+
	+void phongo_server_init(zval* return_value, zval* manager, uint32_t server_id) /* {{{ */
	+{
	+ php_phongo_server_t* server;
	+
	+ object_init_ex(return_value, php_phongo_server_ce);
	+
	+ server = Z_SERVER_OBJ_P(return_value);
	+ server->server_id = server_id;
	+
	+ ZVAL_ZVAL(&server->manager, manager, 1, 0);
	+}
	+/* }}} */
	+
	+bool php_phongo_server_to_zval(zval* retval, mongoc_client_t* client, mongoc_server_description_t* sd) /* {{{ */
	+{
	+ mongoc_host_list_t* host = mongoc_server_description_host(sd);
	+ const bson_t* hello_response = mongoc_server_description_hello_response(sd);
	+ bson_iter_t iter;
	+
	+ array_init(retval);
	+
	+ ADD_ASSOC_STRING(retval, "host", host->host);
	+ ADD_ASSOC_LONG_EX(retval, "port", host->port);
	+ ADD_ASSOC_LONG_EX(retval, "type", php_phongo_server_description_type(sd));
	+ ADD_ASSOC_BOOL_EX(retval, "is_primary", !strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_PRIMARY].name));
	+ ADD_ASSOC_BOOL_EX(retval, "is_secondary", !strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_SECONDARY].name));
	+ ADD_ASSOC_BOOL_EX(retval, "is_arbiter", !strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_RS_ARBITER].name));
	+ ADD_ASSOC_BOOL_EX(retval, "is_hidden", bson_iter_init_find_case(&iter, hello_response, "hidden") && bson_iter_as_bool(&iter));
	+ ADD_ASSOC_BOOL_EX(retval, "is_passive", bson_iter_init_find_case(&iter, hello_response, "passive") && bson_iter_as_bool(&iter));
	+
	+ if (bson_iter_init_find(&iter, hello_response, "tags") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ const uint8_t* bytes;
	+ uint32_t len;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+ bson_iter_document(&iter, &len, &bytes);
	+ if (!php_phongo_bson_to_zval_ex(bytes, len, &state)) {
	+ /* Exception already thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ return false;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(retval, "tags", &state.zchild);
	+ }
	+
	+ /* If the server description is a load balancer, its hello_response will be
	+ * empty. Instead, report the hello_response from the handshake description
	+ * (i.e. backing server). */
	+ if (!strcmp(mongoc_server_description_type(sd), php_phongo_server_description_type_map[PHONGO_SERVER_LOAD_BALANCER].name)) {
	+ const bson_t* handshake_response;
	+ mongoc_server_description_t* handshake_sd;
	+ bson_error_t error = { 0 };
	+ php_phongo_bson_state state;
	+
	+ if (!(handshake_sd = mongoc_client_get_handshake_description(client, mongoc_server_description_id(sd), NULL, &error))) {
	+ phongo_throw_exception(PHONGO_ERROR_RUNTIME, "Failed to get handshake server description: %s", error.message);
	+ return false;
	+ }
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+ handshake_response = mongoc_server_description_hello_response(handshake_sd);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(handshake_response), handshake_response->len, &state)) {
	+ /* Exception already thrown */
	+ mongoc_server_description_destroy(handshake_sd);
	+ zval_ptr_dtor(&state.zchild);
	+ return false;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(retval, "last_hello_response", &state.zchild);
	+ mongoc_server_description_destroy(handshake_sd);
	+ } else {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(hello_response), hello_response->len, &state)) {
	+ /* Exception already thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ return false;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(retval, "last_hello_response", &state.zchild);
	+ }
	+
	+ /* TODO: Use MONGOC_RTT_UNSET once it is added to libmongoc's public API (CDRIVER-4176) */
	+ if (mongoc_server_description_round_trip_time(sd) == -1) {
	+ ADD_ASSOC_NULL_EX(retval, "round_trip_time");
	+ } else {
	+ ADD_ASSOC_LONG_EX(retval, "round_trip_time", (zend_long) mongoc_server_description_round_trip_time(sd));
	+ }
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Server.h b/mongodb-1.13.0/src/MongoDB/Server.h
	new file mode 100644
	index 00000000..4214d496
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Server.h
	@@ -0,0 +1,28 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_SERVER_H
	+#define PHONGO_SERVER_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+void phongo_server_init(zval* return_value, zval* manager, uint32_t server_id);
	+
	+bool php_phongo_server_to_zval(zval* retval, mongoc_client_t* client, mongoc_server_description_t* sd);
	+
	+#endif /* PHONGO_SERVER_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/ServerApi.c b/mongodb-1.13.0/src/MongoDB/ServerApi.c
	new file mode 100644
	index 00000000..94ea2da5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ServerApi.c
	@@ -0,0 +1,390 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+zend_class_entry* php_phongo_serverapi_ce;
	+
	+static bool php_phongo_serverapi_create_libmongoc_object(mongoc_server_api_t** server_api, zend_string* version, bool strict_set, bool strict, bool deprecation_errors_set, bool deprecation_errors) /* {{{ */
	+{
	+ mongoc_server_api_version_t server_api_version;
	+
	+ if (!mongoc_server_api_version_from_string(ZSTR_VAL(version), &server_api_version)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Server API version \"%s\" is not supported in this driver version", ZSTR_VAL(version));
	+ return false;
	+ }
	+
	+ if (*server_api) {
	+ phongo_throw_exception(PHONGO_ERROR_LOGIC, "Server API object already initialized. Please file a bug report as this should not happen.");
	+ return false;
	+ }
	+
	+ *server_api = mongoc_server_api_new(server_api_version);
	+
	+ if (strict_set) {
	+ mongoc_server_api_strict(*server_api, strict);
	+ }
	+
	+ if (deprecation_errors_set) {
	+ mongoc_server_api_deprecation_errors(*server_api, deprecation_errors);
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_serverapi_init_from_hash(php_phongo_serverapi_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval* version;
	+ zval* strict;
	+ zval* deprecation_errors;
	+
	+ version = zend_hash_str_find(props, ZEND_STRL("version"));
	+ if (!version \|\| Z_TYPE_P(version) != IS_STRING) {
	+ // Exception
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"version\" field to be string", ZSTR_VAL(php_phongo_serverapi_ce->name));
	+ return false;
	+ }
	+
	+ if ((strict = zend_hash_str_find(props, ZEND_STRL("strict"))) && !ZVAL_IS_NULL(strict)) {
	+ if (Z_TYPE_P(strict) != IS_TRUE && Z_TYPE_P(strict) != IS_FALSE) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"strict\" field to be bool or null", ZSTR_VAL(php_phongo_serverapi_ce->name));
	+ return false;
	+ }
	+ }
	+
	+ if ((deprecation_errors = zend_hash_str_find(props, ZEND_STRL("deprecationErrors"))) && !ZVAL_IS_NULL(deprecation_errors)) {
	+ if (Z_TYPE_P(deprecation_errors) != IS_TRUE && Z_TYPE_P(deprecation_errors) != IS_FALSE) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"deprecationErrors\" field to be bool or null", ZSTR_VAL(php_phongo_serverapi_ce->name));
	+ return false;
	+ }
	+ }
	+
	+ return php_phongo_serverapi_create_libmongoc_object(
	+ &intern->server_api,
	+ Z_STR_P(version),
	+ strict && !ZVAL_IS_NULL(strict),
	+ strict && zval_is_true(strict),
	+ deprecation_errors && !ZVAL_IS_NULL(deprecation_errors),
	+ deprecation_errors && zval_is_true(deprecation_errors));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ServerApi::__construct(string $version, [?bool $strict], [?bool $deprecationErrors])
	+ Constructs a new ServerApi object */
	+static PHP_METHOD(ServerApi, __construct)
	+{
	+ php_phongo_serverapi_t* intern;
	+ zend_string* version;
	+ zend_bool strict = 0;
	+ zend_bool strict_null = 1;
	+ zend_bool deprecation_errors = 0;
	+ zend_bool deprecation_errors_null = 1;
	+
	+ intern = Z_SERVERAPI_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 3)
	+ Z_PARAM_STR(version)
	+ Z_PARAM_OPTIONAL
	+ Z_PARAM_BOOL_EX(strict, strict_null, 1, 0)
	+ Z_PARAM_BOOL_EX(deprecation_errors, deprecation_errors_null, 1, 0)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ // Will throw on failure
	+ php_phongo_serverapi_create_libmongoc_object(
	+ &intern->server_api,
	+ version,
	+ (bool) !strict_null,
	+ (bool) strict,
	+ (bool) !deprecation_errors_null,
	+ (bool) deprecation_errors);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\ServerApi MongoDB\Driver\ServerApi::__set_state(array $properties)
	+*/
	+static PHP_METHOD(ServerApi, __set_state)
	+{
	+ php_phongo_serverapi_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(array)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ object_init_ex(return_value, php_phongo_serverapi_ce);
	+
	+ intern = Z_SERVERAPI_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_serverapi_init_from_hash(intern, props);
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverapi_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp, bool include_null) /* {{{ */
	+{
	+ php_phongo_serverapi_t* intern;
	+ HashTable* props;
	+ zval version, strict, deprecation_errors;
	+ bool is_set;
	+
	+ intern = Z_OBJ_SERVERAPI(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 1);
	+
	+ ZVAL_STRING(&version, mongoc_server_api_version_to_string(mongoc_server_api_get_version(intern->server_api)));
	+ zend_hash_str_add(props, "version", sizeof("version") - 1, &version);
	+
	+ is_set = mongoc_optional_is_set(mongoc_server_api_get_strict(intern->server_api));
	+ if (is_set) {
	+ ZVAL_BOOL(&strict, mongoc_optional_value(mongoc_server_api_get_strict(intern->server_api)));
	+ } else {
	+ ZVAL_NULL(&strict);
	+ }
	+
	+ if (include_null \|\| is_set) {
	+ zend_hash_str_add(props, "strict", sizeof("strict") - 1, &strict);
	+ }
	+
	+ is_set = mongoc_optional_is_set(mongoc_server_api_get_deprecation_errors(intern->server_api));
	+ if (is_set) {
	+ ZVAL_BOOL(&deprecation_errors, mongoc_optional_value(mongoc_server_api_get_deprecation_errors(intern->server_api)));
	+ } else {
	+ ZVAL_NULL(&deprecation_errors);
	+ }
	+
	+ if (include_null \|\| is_set) {
	+ zend_hash_str_add(props, "deprecationErrors", sizeof("deprecationErrors") - 1, &deprecation_errors);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ServerApi::bsonSerialize()
	+*/
	+static PHP_METHOD(ServerApi, bsonSerialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ ZVAL_ARR(return_value, php_phongo_serverapi_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, false));
	+ convert_to_object(return_value);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\ServerApi::serialize()
	+*/
	+static PHP_METHOD(ServerApi, serialize)
	+{
	+ php_phongo_serverapi_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+
	+ intern = Z_SERVERAPI_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ array_init_size(&retval, 3);
	+
	+ ADD_ASSOC_STRING(&retval, "version", mongoc_server_api_version_to_string(mongoc_server_api_get_version(intern->server_api)));
	+
	+ if (mongoc_optional_is_set(mongoc_server_api_get_strict(intern->server_api))) {
	+ ADD_ASSOC_BOOL_EX(&retval, "strict", mongoc_optional_value(mongoc_server_api_get_strict(intern->server_api)));
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "strict");
	+ }
	+
	+ if (mongoc_optional_is_set(mongoc_server_api_get_deprecation_errors(intern->server_api))) {
	+ ADD_ASSOC_BOOL_EX(&retval, "deprecationErrors", mongoc_optional_value(mongoc_server_api_get_deprecation_errors(intern->server_api)));
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "deprecationErrors");
	+ }
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ServerApi::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(ServerApi, unserialize)
	+{
	+ php_phongo_serverapi_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_SERVERAPI_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_STRING(serialized, serialized_len)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ if (!serialized_len) {
	+ return;
	+ }
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_serverapi_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_serverapi_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\ServerApi::__serialize()
	+*/
	+static PHP_METHOD(ServerApi, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_serverapi_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\ServerApi::__unserialize(array $data)
	+*/
	+static PHP_METHOD(ServerApi, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_serverapi_init_from_hash(Z_SERVERAPI_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\ServerApi function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi___construct, 0, 0, 1)
	+ ZEND_ARG_TYPE_INFO(0, version, IS_STRING, 0)
	+ ZEND_ARG_TYPE_INFO(0, strict, _IS_BOOL, 1)
	+ ZEND_ARG_TYPE_INFO(0, deprecationErrors, _IS_BOOL, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi_unserialize, 0, 0, 1)
	+#if PHP_VERSION_ID >= 80000
	+ ZEND_ARG_TYPE_INFO(0, serialized, IS_STRING, 0)
	+#else
	+ ZEND_ARG_INFO(0, serialized)
	+#endif
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerApi_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverapi_me[] = {
	+ /* clang-format off */
	+ PHP_ME(ServerApi, __construct, ai_ServerApi___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerApi, __serialize, ai_ServerApi_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerApi, __set_state, ai_ServerApi___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(ServerApi, __unserialize, ai_ServerApi___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerApi, bsonSerialize, ai_ServerApi_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerApi, serialize, ai_ServerApi_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerApi, unserialize, ai_ServerApi_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\ServerApi object handlers */
	+static zend_object_handlers php_phongo_handler_serverapi;
	+
	+static void php_phongo_serverapi_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverapi_t* intern = Z_OBJ_SERVERAPI(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+
	+ if (intern->server_api) {
	+ mongoc_server_api_destroy(intern->server_api);
	+ }
	+}
	+
	+static zend_object* php_phongo_serverapi_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverapi_t* intern = zend_object_alloc(sizeof(php_phongo_serverapi_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverapi;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverapi_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_serverapi_get_properties_hash(object, true, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverapi_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_serverapi_get_properties_hash(object, false, true);
	+} /* }}} */
	+
	+void php_phongo_serverapi_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ServerApi", php_phongo_serverapi_me);
	+ php_phongo_serverapi_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverapi_ce->create_object = php_phongo_serverapi_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverapi_ce);
	+
	+ zend_class_implements(php_phongo_serverapi_ce, 1, php_phongo_serializable_ce);
	+ zend_class_implements(php_phongo_serverapi_ce, 1, zend_ce_serializable);
	+
	+ memcpy(&php_phongo_handler_serverapi, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverapi.get_debug_info = php_phongo_serverapi_get_debug_info;
	+ php_phongo_handler_serverapi.get_properties = php_phongo_serverapi_get_properties;
	+ php_phongo_handler_serverapi.free_obj = php_phongo_serverapi_free_object;
	+ php_phongo_handler_serverapi.offset = XtOffsetOf(php_phongo_serverapi_t, std);
	+
	+ zend_declare_class_constant_stringl(php_phongo_serverapi_ce, ZEND_STRL("V1"), ZEND_STRL("1"));
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/ServerDescription.c b/mongodb-1.13.0/src/MongoDB/ServerDescription.c
	new file mode 100644
	index 00000000..d9ff1fd5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ServerDescription.c
	@@ -0,0 +1,356 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/ServerDescription.h"
	+
	+zend_class_entry* php_phongo_serverdescription_ce;
	+
	+/* Note: these constants are derived from mongoc_server_description_type, since
	+ * since mongoc_server_description_type_t is private. */
	+#define PHONGO_SERVER_TYPE_UNKNOWN "Unknown"
	+#define PHONGO_SERVER_TYPE_STANDALONE "Standalone"
	+#define PHONGO_SERVER_TYPE_MONGOS "Mongos"
	+#define PHONGO_SERVER_TYPE_POSSIBLE_PRIMARY "PossiblePrimary"
	+#define PHONGO_SERVER_TYPE_RS_PRIMARY "RSPrimary"
	+#define PHONGO_SERVER_TYPE_RS_SECONDARY "RSSecondary"
	+#define PHONGO_SERVER_TYPE_RS_ARBITER "RSArbiter"
	+#define PHONGO_SERVER_TYPE_RS_OTHER "RSOther"
	+#define PHONGO_SERVER_TYPE_RS_GHOST "RSGhost"
	+#define PHONGO_SERVER_TYPE_LOAD_BALANCER "LoadBalancer"
	+
	+php_phongo_server_description_type_map_t
	+ php_phongo_server_description_type_map[PHONGO_SERVER_DESCRIPTION_TYPES] = {
	+ { PHONGO_SERVER_UNKNOWN, PHONGO_SERVER_TYPE_UNKNOWN },
	+ { PHONGO_SERVER_STANDALONE, PHONGO_SERVER_TYPE_STANDALONE },
	+ { PHONGO_SERVER_MONGOS, PHONGO_SERVER_TYPE_MONGOS },
	+ { PHONGO_SERVER_POSSIBLE_PRIMARY, PHONGO_SERVER_TYPE_POSSIBLE_PRIMARY },
	+ { PHONGO_SERVER_RS_PRIMARY, PHONGO_SERVER_TYPE_RS_PRIMARY },
	+ { PHONGO_SERVER_RS_SECONDARY, PHONGO_SERVER_TYPE_RS_SECONDARY },
	+ { PHONGO_SERVER_RS_ARBITER, PHONGO_SERVER_TYPE_RS_ARBITER },
	+ { PHONGO_SERVER_RS_OTHER, PHONGO_SERVER_TYPE_RS_OTHER },
	+ { PHONGO_SERVER_RS_GHOST, PHONGO_SERVER_TYPE_RS_GHOST },
	+ { PHONGO_SERVER_LOAD_BALANCER, PHONGO_SERVER_TYPE_LOAD_BALANCER },
	+ };
	+
	+/* {{{ proto array MongoDB\Driver\ServerDescription::getHelloResponse()
	+ Returns the most recent "hello" response */
	+static PHP_METHOD(ServerDescription, getHelloResponse)
	+{
	+ php_phongo_serverdescription_t* intern;
	+ const bson_t* helloResponse;
	+ php_phongo_bson_state state;
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ /* Note: the hello response will be empty for load balancers since they are
	+ * not monitored. Unlike Server::getInfo(), we do not attempt to fetch the
	+ * corresponding handshake description, as that would require holding a
	+ * reference to the libmongoc client (and likely a Manager object) on the
	+ * ServerDescription and TopologyDescription classes. */
	+ helloResponse = mongoc_server_description_hello_response(intern->server_description);
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(helloResponse), helloResponse->len, &state)) {
	+ /* Exception should already have been thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\ServerDescription::getHost()
	+ Returns the server's hostname */
	+static PHP_METHOD(ServerDescription, getHost)
	+{
	+ php_phongo_serverdescription_t* intern;
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(mongoc_server_description_host(intern->server_description)->host);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\ServerDescription::getLastUpdateTime()
	+ Returns the server's last update time, in microseconds */
	+static PHP_METHOD(ServerDescription, getLastUpdateTime)
	+{
	+ php_phongo_serverdescription_t* intern;
	+ int64_t last_update_time;
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ last_update_time = mongoc_server_description_last_update_time(intern->server_description);
	+
	+#if SIZEOF_ZEND_LONG == 4
	+ if (last_update_time > INT32_MAX \|\| last_update_time < INT32_MIN) {
	+ zend_error(E_WARNING, "Truncating 64-bit value for lastUpdateTime");
	+ }
	+#endif
	+
	+ RETVAL_LONG(last_update_time);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\ServerDescription::getPort()
	+ Returns the server's port */
	+static PHP_METHOD(ServerDescription, getPort)
	+{
	+ php_phongo_serverdescription_t* intern;
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_LONG(mongoc_server_description_host(intern->server_description)->port);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\ServerDescription::getRoundTripTime()
	+ Returns the server's round trip time, in milliseconds */
	+static PHP_METHOD(ServerDescription, getRoundTripTime)
	+{
	+ php_phongo_serverdescription_t* intern;
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ /* TODO: Use MONGOC_RTT_UNSET once it is added to libmongoc's public API (CDRIVER-4176) */
	+ if (mongoc_server_description_round_trip_time(intern->server_description) == -1) {
	+ RETVAL_NULL();
	+ } else {
	+ RETVAL_LONG((zend_long) mongoc_server_description_round_trip_time(intern->server_description));
	+ }
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\ServerDescription::getType()
	+ Returns the server's node type */
	+static PHP_METHOD(ServerDescription, getType)
	+{
	+ php_phongo_serverdescription_t* intern;
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(mongoc_server_description_type(intern->server_description));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\ServerDescription function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_ServerDescription_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_serverdescription_me[] = {
	+ /* clang-format off */
	+ PHP_ME(ServerDescription, getHelloResponse, ai_ServerDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerDescription, getHost, ai_ServerDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerDescription, getLastUpdateTime, ai_ServerDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerDescription, getPort, ai_ServerDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerDescription, getRoundTripTime, ai_ServerDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(ServerDescription, getType, ai_ServerDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_ServerDescription_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\ServerDescription object handlers */
	+static zend_object_handlers php_phongo_handler_serverdescription;
	+
	+static void php_phongo_serverdescription_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_serverdescription_t* intern = Z_OBJ_SERVERDESCRIPTION(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+
	+ if (intern->server_description) {
	+ mongoc_server_description_destroy(intern->server_description);
	+ }
	+}
	+
	+static zend_object* php_phongo_serverdescription_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_serverdescription_t* intern = zend_object_alloc(sizeof(php_phongo_serverdescription_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_serverdescription;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+HashTable* php_phongo_serverdescription_get_properties_hash(phongo_compat_object_handler_type* object, bool is_debug) /* {{{ */
	+{
	+ php_phongo_serverdescription_t* intern = NULL;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_SERVERDESCRIPTION(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_debug, intern, props, 6);
	+
	+ if (!intern->server_description) {
	+ return props;
	+ }
	+
	+ {
	+ zval host, port, type;
	+ mongoc_host_list_t* host_list = mongoc_server_description_host(intern->server_description);
	+
	+ ZVAL_STRING(&host, host_list->host);
	+ zend_hash_str_update(props, "host", sizeof("host") - 1, &host);
	+
	+ ZVAL_LONG(&port, host_list->port);
	+ zend_hash_str_update(props, "port", sizeof("port") - 1, &port);
	+
	+ ZVAL_STRING(&type, mongoc_server_description_type(intern->server_description));
	+ zend_hash_str_update(props, "type", sizeof("type") - 1, &type);
	+ }
	+
	+ {
	+ const bson_t* hello_response = mongoc_server_description_hello_response(intern->server_description);
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(hello_response), hello_response->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto done;
	+ }
	+ zend_hash_str_update(props, "hello_response", sizeof("hello_response") - 1, &state.zchild);
	+ }
	+
	+ {
	+ int64_t last_update_time;
	+ zval z_last_update_time;
	+
	+ last_update_time = mongoc_server_description_last_update_time(intern->server_description);
	+
	+#if SIZEOF_ZEND_LONG == 4
	+ if (last_update_time > INT32_MAX \|\| last_update_time < INT32_MIN) {
	+ ZVAL_INT64_STRING(&z_last_update_time, last_update_time);
	+ } else {
	+ ZVAL_LONG(&z_last_update_time, last_update_time);
	+ }
	+#else
	+ ZVAL_LONG(&z_last_update_time, last_update_time);
	+#endif
	+
	+ zend_hash_str_update(props, "last_update_time", sizeof("last_update_time") - 1, &z_last_update_time);
	+ }
	+
	+ {
	+ zval round_trip_time;
	+
	+ /* TODO: Use MONGOC_RTT_UNSET once it is added to libmongoc's public API (CDRIVER-4176) */
	+ if (mongoc_server_description_round_trip_time(intern->server_description) == -1) {
	+ ZVAL_NULL(&round_trip_time);
	+ } else {
	+ ZVAL_LONG(&round_trip_time, (zend_long) mongoc_server_description_round_trip_time(intern->server_description));
	+ }
	+
	+ zend_hash_str_update(props, "round_trip_time", sizeof("round_trip_time") - 1, &round_trip_time);
	+ }
	+
	+done:
	+ return props;
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverdescription_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_serverdescription_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_serverdescription_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_serverdescription_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_serverdescription_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "ServerDescription", php_phongo_serverdescription_me);
	+ php_phongo_serverdescription_ce = zend_register_internal_class(&ce);
	+ php_phongo_serverdescription_ce->create_object = php_phongo_serverdescription_create_object;
	+ PHONGO_CE_FINAL(php_phongo_serverdescription_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_serverdescription_ce);
	+
	+ memcpy(&php_phongo_handler_serverdescription, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_serverdescription.get_debug_info = php_phongo_serverdescription_get_debug_info;
	+ php_phongo_handler_serverdescription.get_properties = php_phongo_serverdescription_get_properties;
	+ php_phongo_handler_serverdescription.free_obj = php_phongo_serverdescription_free_object;
	+ php_phongo_handler_serverdescription.offset = XtOffsetOf(php_phongo_serverdescription_t, std);
	+
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_UNKNOWN"), PHONGO_SERVER_TYPE_UNKNOWN);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_STANDALONE"), PHONGO_SERVER_TYPE_STANDALONE);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_MONGOS"), PHONGO_SERVER_TYPE_MONGOS);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_POSSIBLE_PRIMARY"), PHONGO_SERVER_TYPE_POSSIBLE_PRIMARY);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_RS_PRIMARY"), PHONGO_SERVER_TYPE_RS_PRIMARY);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_RS_SECONDARY"), PHONGO_SERVER_TYPE_RS_SECONDARY);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_RS_ARBITER"), PHONGO_SERVER_TYPE_RS_ARBITER);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_RS_OTHER"), PHONGO_SERVER_TYPE_RS_OTHER);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_RS_GHOST"), PHONGO_SERVER_TYPE_RS_GHOST);
	+ zend_declare_class_constant_string(php_phongo_serverdescription_ce, ZEND_STRL("TYPE_LOAD_BALANCER"), PHONGO_SERVER_TYPE_LOAD_BALANCER);
	+} /* }}} */
	+
	+void phongo_serverdescription_init_ex(zval* return_value, mongoc_server_description_t* server_description, bool copy) /* {{{ */
	+{
	+ php_phongo_serverdescription_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_serverdescription_ce);
	+
	+ intern = Z_SERVERDESCRIPTION_OBJ_P(return_value);
	+ intern->server_description = copy ? mongoc_server_description_new_copy(server_description) : server_description;
	+}
	+/* }}} */
	+
	+php_phongo_server_description_type_t php_phongo_server_description_type(mongoc_server_description_t* sd)
	+{
	+ const char* name = mongoc_server_description_type(sd);
	+ int i;
	+
	+ for (i = 0; i < PHONGO_SERVER_DESCRIPTION_TYPES; i++) {
	+ if (!strcmp(name, php_phongo_server_description_type_map[i].name)) {
	+ return php_phongo_server_description_type_map[i].type;
	+ }
	+ }
	+
	+ return PHONGO_SERVER_UNKNOWN;
	+}
	diff --git a/mongodb-1.13.0/src/MongoDB/ServerDescription.h b/mongodb-1.13.0/src/MongoDB/ServerDescription.h
	new file mode 100644
	index 00000000..a23679ed
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/ServerDescription.h
	@@ -0,0 +1,53 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_SERVERDESCRIPTION_H
	+#define PHONGO_SERVERDESCRIPTION_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+/* This enum is necessary since mongoc_server_description_type_t is private and
	+ * we need to translate strings returned by mongoc_server_description_type() to
	+ * Server integer constants. */
	+typedef enum {
	+ PHONGO_SERVER_UNKNOWN = 0,
	+ PHONGO_SERVER_STANDALONE = 1,
	+ PHONGO_SERVER_MONGOS = 2,
	+ PHONGO_SERVER_POSSIBLE_PRIMARY = 3,
	+ PHONGO_SERVER_RS_PRIMARY = 4,
	+ PHONGO_SERVER_RS_SECONDARY = 5,
	+ PHONGO_SERVER_RS_ARBITER = 6,
	+ PHONGO_SERVER_RS_OTHER = 7,
	+ PHONGO_SERVER_RS_GHOST = 8,
	+ PHONGO_SERVER_LOAD_BALANCER = 9,
	+ PHONGO_SERVER_DESCRIPTION_TYPES = 10,
	+} php_phongo_server_description_type_t;
	+
	+typedef struct {
	+ php_phongo_server_description_type_t type;
	+ const char* name;
	+} php_phongo_server_description_type_map_t;
	+
	+extern php_phongo_server_description_type_map_t php_phongo_server_description_type_map[];
	+
	+void phongo_serverdescription_init_ex(zval* return_value, mongoc_server_description_t* sd, bool copy);
	+#define phongo_serverdescription_init(r, sd) phongo_serverdescription_init_ex((r), (sd), true)
	+
	+php_phongo_server_description_type_t php_phongo_server_description_type(mongoc_server_description_t* sd);
	+
	+#endif /* PHONGO_SERVERDESCRIPTION_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/Session.c b/mongodb-1.13.0/src/MongoDB/Session.c
	new file mode 100644
	index 00000000..c8a64711
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Session.c
	@@ -0,0 +1,851 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_client.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/ReadConcern.h"
	+#include "MongoDB/ReadPreference.h"
	+#include "MongoDB/Server.h"
	+#include "MongoDB/Session.h"
	+#include "MongoDB/WriteConcern.h"
	+
	+zend_class_entry* php_phongo_session_ce;
	+
	+#define PHONGO_TRANSACTION_NONE "none"
	+#define PHONGO_TRANSACTION_STARTING "starting"
	+#define PHONGO_TRANSACTION_IN_PROGRESS "in_progress"
	+#define PHONGO_TRANSACTION_COMMITTED "committed"
	+#define PHONGO_TRANSACTION_ABORTED "aborted"
	+
	+#define SESSION_CHECK_LIVELINESS(i, m) \
	+ if (!(i)->client_session) { \
	+ phongo_throw_exception( \
	+ PHONGO_ERROR_LOGIC, \
	+ "Cannot call '%s', as the session has already been ended.", \
	+ (m)); \
	+ return; \
	+ }
	+
	+static bool php_phongo_session_get_timestamp_parts(zval* obj, uint32_t* timestamp, uint32_t* increment)
	+{
	+ bool retval = false;
	+ zval ztimestamp = ZVAL_STATIC_INIT;
	+ zval zincrement = ZVAL_STATIC_INIT;
	+
	+ zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(obj), NULL, NULL, "getTimestamp", &ztimestamp);
	+
	+ if (Z_ISUNDEF(ztimestamp) \|\| EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(obj), NULL, NULL, "getIncrement", &zincrement);
	+
	+ if (Z_ISUNDEF(zincrement) \|\| EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ *timestamp = Z_LVAL(ztimestamp);
	+ *increment = Z_LVAL(zincrement);
	+
	+ retval = true;
	+
	+cleanup:
	+ if (!Z_ISUNDEF(ztimestamp)) {
	+ zval_ptr_dtor(&ztimestamp);
	+ }
	+
	+ if (!Z_ISUNDEF(zincrement)) {
	+ zval_ptr_dtor(&zincrement);
	+ }
	+
	+ return retval;
	+}
	+
	+static const char* php_phongo_get_transaction_state_string(mongoc_transaction_state_t state)
	+{
	+ switch (state) {
	+ case MONGOC_TRANSACTION_NONE:
	+ return PHONGO_TRANSACTION_NONE;
	+ case MONGOC_TRANSACTION_STARTING:
	+ return PHONGO_TRANSACTION_STARTING;
	+ case MONGOC_TRANSACTION_IN_PROGRESS:
	+ return PHONGO_TRANSACTION_IN_PROGRESS;
	+ case MONGOC_TRANSACTION_COMMITTED:
	+ return PHONGO_TRANSACTION_COMMITTED;
	+ case MONGOC_TRANSACTION_ABORTED:
	+ return PHONGO_TRANSACTION_ABORTED;
	+ default:
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid transaction state %d given", (int) state);
	+ return NULL;
	+ }
	+}
	+
	+static void php_phongo_transaction_options_to_zval(mongoc_client_session_t* cs, zval* retval)
	+{
	+ mongoc_transaction_opt_t* opts;
	+ int64_t max_commit_time_ms;
	+ const mongoc_read_concern_t* read_concern;
	+ const mongoc_read_prefs_t* read_preference;
	+ const mongoc_write_concern_t* write_concern;
	+
	+ if (!cs) {
	+ ZVAL_NULL(retval);
	+ return;
	+ }
	+
	+ opts = mongoc_session_opts_get_transaction_opts(cs);
	+
	+ if (!opts) {
	+ ZVAL_NULL(retval);
	+ return;
	+ }
	+
	+ max_commit_time_ms = mongoc_transaction_opts_get_max_commit_time_ms(opts);
	+ read_concern = mongoc_transaction_opts_get_read_concern(opts);
	+ read_preference = mongoc_transaction_opts_get_read_prefs(opts);
	+ write_concern = mongoc_transaction_opts_get_write_concern(opts);
	+
	+ array_init_size(retval, 4);
	+
	+ if (max_commit_time_ms) {
	+ ADD_ASSOC_LONG_EX(retval, "maxCommitTimeMS", max_commit_time_ms);
	+ }
	+
	+ if (!mongoc_read_concern_is_default(read_concern)) {
	+ zval zread_concern;
	+
	+ phongo_readconcern_init(&zread_concern, read_concern);
	+ ADD_ASSOC_ZVAL_EX(retval, "readConcern", &zread_concern);
	+ }
	+
	+ if (read_preference) {
	+ zval zread_preference;
	+
	+ phongo_readpreference_init(&zread_preference, read_preference);
	+ ADD_ASSOC_ZVAL_EX(retval, "readPreference", &zread_preference);
	+ }
	+
	+ if (!mongoc_write_concern_is_default(write_concern)) {
	+ zval zwrite_concern;
	+
	+ phongo_writeconcern_init(&zwrite_concern, write_concern);
	+ ADD_ASSOC_ZVAL_EX(retval, "writeConcern", &zwrite_concern);
	+ }
	+
	+ mongoc_transaction_opts_destroy(opts);
	+}
	+
	+/* {{{ proto void MongoDB\Driver\Session::advanceClusterTime(array\|object $clusterTime)
	+ Advances the cluster time for this Session */
	+static PHP_METHOD(Session, advanceClusterTime)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ zval* zcluster_time;
	+ bson_t cluster_time = BSON_INITIALIZER;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "advanceClusterTime")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "A", &zcluster_time) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_zval_to_bson(zcluster_time, PHONGO_BSON_NONE, &cluster_time, NULL);
	+
	+ /* An exception may be thrown during BSON conversion */
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_session_advance_cluster_time(intern->client_session, &cluster_time);
	+
	+cleanup:
	+ bson_destroy(&cluster_time);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Session::advanceOperationTime(MongoDB\BSON\TimestampInterface $timestamp)
	+ Advances the operation time for this Session */
	+static PHP_METHOD(Session, advanceOperationTime)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ zval* ztimestamp;
	+ uint32_t timestamp = 0;
	+ uint32_t increment = 0;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "advanceOperationTime")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &ztimestamp, php_phongo_timestamp_interface_ce) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!php_phongo_session_get_timestamp_parts(ztimestamp, &timestamp, &increment)) {
	+ return;
	+ }
	+
	+ mongoc_client_session_advance_operation_time(intern->client_session, timestamp, increment);
	+} /* }}} */
	+
	+/* {{{ proto object\|null MongoDB\Driver\Session::getClusterTime()
	+ Returns the cluster time for this Session */
	+static PHP_METHOD(Session, getClusterTime)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ const bson_t* cluster_time;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "getClusterTime")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ cluster_time = mongoc_client_session_get_cluster_time(intern->client_session);
	+
	+ if (!cluster_time) {
	+ RETURN_NULL();
	+ }
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(cluster_time), cluster_time->len, &state)) {
	+ /* Exception should already have been thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto object MongoDB\Driver\Session::getLogicalSessionId()
	+ Returns the logical session ID for this Session */
	+static PHP_METHOD(Session, getLogicalSessionId)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ const bson_t* lsid;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "getLogicalSessionId")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ lsid = mongoc_client_session_get_lsid(intern->client_session);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(lsid), lsid->len, &state)) {
	+ /* Exception should already have been thrown */
	+ zval_ptr_dtor(&state.zchild);
	+ return;
	+ }
	+
	+ RETURN_ZVAL(&state.zchild, 0, 1);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\BSON\Timestamp\|null MongoDB\Driver\Session::getOperationTime()
	+ Returns the operation time for this Session */
	+static PHP_METHOD(Session, getOperationTime)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ uint32_t timestamp, increment;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "getOperationTime")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ mongoc_client_session_get_operation_time(intern->client_session, &timestamp, &increment);
	+
	+ /* mongoc_client_session_get_operation_time() returns 0 for both parts if
	+ * the session has not been used. According to the causal consistency spec,
	+ * the operation time for an unused session is null. */
	+ if (timestamp == 0 && increment == 0) {
	+ RETURN_NULL();
	+ }
	+
	+ php_phongo_bson_new_timestamp_from_increment_and_timestamp(return_value, increment, timestamp);
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server\|null MongoDB\Driver\Session::getServer()
	+ Returns the server this session is pinned to */
	+static PHP_METHOD(Session, getServer)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ uint32_t server_id = 0;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "getServer")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ server_id = mongoc_client_session_get_server_id(intern->client_session);
	+
	+ /* For sessions without a pinned server, 0 is returned. */
	+ if (!server_id) {
	+ RETURN_NULL();
	+ }
	+
	+ phongo_server_init(return_value, &intern->manager, server_id);
	+} /* }}} */
	+
	+/* {{{ proto array\|null MongoDB\Driver\Session::getTransactionOptions()
	+ Returns options for the currently running transaction */
	+static PHP_METHOD(Session, getTransactionOptions)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "getTransactionOptions")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_transaction_options_to_zval(intern->client_session, return_value);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\Session::getTransactionState()
	+ Returns the current transaction state for this session */
	+static PHP_METHOD(Session, getTransactionState)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ const char* state;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "getTransactionState")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ state = php_phongo_get_transaction_state_string(mongoc_client_session_get_transaction_state(intern->client_session));
	+ if (!state) {
	+ /* Exception already thrown */
	+ return;
	+ }
	+
	+ RETURN_STRING(state);
	+} /* }}} */
	+
	+/* Creates a opts structure from an array optionally containing an RP, RC,
	+ * WC object, and/or maxCommitTimeMS int. Returns NULL if no options were found,
	+ * or there was an invalid option. If there was an invalid option or structure,
	+ * an exception will be thrown too. */
	+mongoc_transaction_opt_t* php_mongodb_session_parse_transaction_options(zval* options)
	+{
	+ mongoc_transaction_opt_t* opts = NULL;
	+
	+ if (php_array_existsc(options, "maxCommitTimeMS")) {
	+ int64_t max_commit_time_ms = php_array_fetchc_long(options, "maxCommitTimeMS");
	+
	+ if (max_commit_time_ms < 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxCommitTimeMS\" option to be >= 0, %" PRId64 " given", max_commit_time_ms);
	+ /* Freeing opts is not needed here, as it can't be set yet. The
	+ * code is here to keep it consistent with the others in case more
	+ * options are added before this one. */
	+ if (opts) {
	+ mongoc_transaction_opts_destroy(opts);
	+ }
	+ return NULL;
	+ }
	+
	+ if (max_commit_time_ms > UINT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"maxCommitTimeMS\" option to be <= %" PRIu32 ", %" PRId64 " given", UINT32_MAX, max_commit_time_ms);
	+ /* Freeing opts is not needed here, as it can't be set yet. The
	+ * code is here to keep it consistent with the others in case more
	+ * options are added before this one. */
	+ if (opts) {
	+ mongoc_transaction_opts_destroy(opts);
	+ }
	+ return NULL;
	+ }
	+
	+ if (!opts) {
	+ opts = mongoc_transaction_opts_new();
	+ }
	+
	+ mongoc_transaction_opts_set_max_commit_time_ms(opts, max_commit_time_ms);
	+ }
	+
	+ if (php_array_existsc(options, "readConcern")) {
	+ zval* read_concern = php_array_fetchc(options, "readConcern");
	+
	+ if (Z_TYPE_P(read_concern) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(read_concern), php_phongo_readconcern_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(read_concern));
	+ if (opts) {
	+ mongoc_transaction_opts_destroy(opts);
	+ }
	+ return NULL;
	+ }
	+
	+ if (!opts) {
	+ opts = mongoc_transaction_opts_new();
	+ }
	+
	+ mongoc_transaction_opts_set_read_concern(opts, phongo_read_concern_from_zval(read_concern));
	+ }
	+
	+ if (php_array_existsc(options, "readPreference")) {
	+ zval* read_preference = php_array_fetchc(options, "readPreference");
	+
	+ if (Z_TYPE_P(read_preference) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(read_preference), php_phongo_readpreference_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readPreference\" option to be %s, %s given", ZSTR_VAL(php_phongo_readpreference_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(read_preference));
	+ if (opts) {
	+ mongoc_transaction_opts_destroy(opts);
	+ }
	+ return NULL;
	+ }
	+
	+ if (!opts) {
	+ opts = mongoc_transaction_opts_new();
	+ }
	+
	+ mongoc_transaction_opts_set_read_prefs(opts, phongo_read_preference_from_zval(read_preference));
	+ }
	+
	+ if (php_array_existsc(options, "writeConcern")) {
	+ zval* write_concern = php_array_fetchc(options, "writeConcern");
	+
	+ if (Z_TYPE_P(write_concern) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(write_concern), php_phongo_writeconcern_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"writeConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_writeconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(write_concern));
	+ if (opts) {
	+ mongoc_transaction_opts_destroy(opts);
	+ }
	+ return NULL;
	+ }
	+
	+ if (!opts) {
	+ opts = mongoc_transaction_opts_new();
	+ }
	+
	+ mongoc_transaction_opts_set_write_concern(opts, phongo_write_concern_from_zval(write_concern));
	+ }
	+
	+ return opts;
	+}
	+
	+/* {{{ proto void MongoDB\Driver\Session::startTransaction([array $options = null])
	+ Starts a new transaction */
	+static PHP_METHOD(Session, startTransaction)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ zval* options = NULL;
	+ mongoc_transaction_opt_t* txn_options = NULL;
	+ bson_error_t error;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "startTransaction")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "\|a!", &options) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (options) {
	+ txn_options = php_mongodb_session_parse_transaction_options(options);
	+ }
	+ if (EG(exception)) {
	+ return;
	+ }
	+
	+ if (!mongoc_client_session_start_transaction(intern->client_session, txn_options, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ }
	+
	+ if (txn_options) {
	+ mongoc_transaction_opts_destroy(txn_options);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Session::commitTransaction(void)
	+ Commits an existing transaction */
	+static PHP_METHOD(Session, commitTransaction)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ bson_error_t error;
	+ bson_t reply;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "commitTransaction")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!mongoc_client_session_commit_transaction(intern->client_session, &reply, &error)) {
	+ phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
	+ }
	+
	+ bson_destroy(&reply);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Session::abortTransaction(void)
	+ Aborts (rolls back) an existing transaction */
	+static PHP_METHOD(Session, abortTransaction)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+ bson_error_t error;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "abortTransaction")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!mongoc_client_session_abort_transaction(intern->client_session, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Session::endSession(void)
	+ Ends the session, and a running transaction if active */
	+static PHP_METHOD(Session, endSession)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ mongoc_client_session_destroy(intern->client_session);
	+ intern->client_session = NULL;
	+} /* }}} */
	+
	+/* {{{ proto bool MongoDB\Driver\Session::isDirty()
	+ Returns whether the session is dirty (i.e. was used with a command that
	+ encountered a network error) and will be discarded when returned to the
	+ server session pool. */
	+static PHP_METHOD(Session, isDirty)
	+{
	+ php_phongo_session_t* intern = Z_SESSION_OBJ_P(getThis());
	+
	+ SESSION_CHECK_LIVELINESS(intern, "isDirty")
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_BOOL(mongoc_client_session_get_dirty(intern->client_session));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\Session::isInTransaction(void)
	+ Returns whether a multi-document transaction is in progress */
	+static PHP_METHOD(Session, isInTransaction)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_session_t* intern;
	+
	+ intern = Z_SESSION_OBJ_P(getThis());
	+ SESSION_CHECK_LIVELINESS(intern, "isInTransaction")
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_BOOL(mongoc_client_session_in_transaction(intern->client_session));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\Session function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_Session_advanceClusterTime, 0, 0, 1)
	+ ZEND_ARG_INFO(0, clusterTime)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Session_advanceOperationTime, 0, 0, 1)
	+ ZEND_ARG_INFO(0, timestamp)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Session_startTransaction, 0, 0, 0)
	+ ZEND_ARG_ARRAY_INFO(0, options, 1)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_Session_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_session_me[] = {
	+ /* clang-format off */
	+ PHP_ME(Session, abortTransaction, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, advanceClusterTime, ai_Session_advanceClusterTime, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, advanceOperationTime, ai_Session_advanceOperationTime, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, commitTransaction, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, endSession, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, getClusterTime, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, getLogicalSessionId, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, getOperationTime, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, getServer, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, getTransactionOptions, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, getTransactionState, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, isDirty, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, isInTransaction, ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(Session, startTransaction, ai_Session_startTransaction, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_Session_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_Session_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\Session object handlers */
	+static zend_object_handlers php_phongo_handler_session;
	+
	+static void php_phongo_session_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_session_t* intern = Z_OBJ_SESSION(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ /* If this Session was created in a different process, reset the client so
	+ * that its session pool is cleared and mongoc_client_session_destroy will
	+ * destroy the corresponding server session rather than return it to the
	+ * now-empty pool. This will ensure that we do not re-use a server session
	+ * (i.e. LSID) created by a parent process. */
	+ PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, Z_MANAGER_OBJ_P(&intern->manager));
	+
	+ if (intern->client_session) {
	+ mongoc_client_session_destroy(intern->client_session);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_session_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_session_t* intern = zend_object_alloc(sizeof(php_phongo_session_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ PHONGO_SET_CREATED_BY_PID(intern);
	+
	+ intern->std.handlers = &php_phongo_handler_session;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_session_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_session_t* intern = NULL;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_SESSION(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init(&retval);
	+
	+ if (!intern->client_session) {
	+ ADD_ASSOC_BOOL_EX(&retval, "ended", true);
	+
	+ goto done;
	+ }
	+
	+ {
	+ const bson_t* lsid = mongoc_client_session_get_lsid(intern->client_session);
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(lsid), lsid->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "logicalSessionId", &state.zchild);
	+ }
	+
	+ {
	+ const bson_t* cluster_time = mongoc_client_session_get_cluster_time(intern->client_session);
	+
	+ if (cluster_time) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(cluster_time), cluster_time->len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "clusterTime", &state.zchild);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "clusterTime");
	+ }
	+ }
	+
	+ {
	+ const mongoc_session_opt_t* cs_opts = mongoc_client_session_get_opts(intern->client_session);
	+ ADD_ASSOC_BOOL_EX(&retval, "causalConsistency", mongoc_session_opts_get_causal_consistency(cs_opts));
	+ ADD_ASSOC_BOOL_EX(&retval, "snapshot", mongoc_session_opts_get_snapshot(cs_opts));
	+ }
	+
	+ {
	+ uint32_t timestamp, increment;
	+
	+ mongoc_client_session_get_operation_time(intern->client_session, &timestamp, &increment);
	+
	+ if (timestamp && increment) {
	+ zval ztimestamp;
	+
	+ php_phongo_bson_new_timestamp_from_increment_and_timestamp(&ztimestamp, increment, timestamp);
	+ ADD_ASSOC_ZVAL_EX(&retval, "operationTime", &ztimestamp);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "operationTime");
	+ }
	+ }
	+
	+ {
	+ uint32_t server_id = mongoc_client_session_get_server_id(intern->client_session);
	+
	+ if (server_id) {
	+ zval server;
	+
	+ phongo_server_init(&server, &intern->manager, server_id);
	+ ADD_ASSOC_ZVAL_EX(&retval, "server", &server);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "server");
	+ }
	+ }
	+
	+ ADD_ASSOC_BOOL_EX(&retval, "dirty", mongoc_client_session_get_dirty(intern->client_session));
	+ ADD_ASSOC_BOOL_EX(&retval, "inTransaction", mongoc_client_session_in_transaction(intern->client_session));
	+
	+ {
	+ const char* state = php_phongo_get_transaction_state_string(mongoc_client_session_get_transaction_state(intern->client_session));
	+
	+ if (!state) {
	+ /* Exception should already have been thrown */
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_STRING(&retval, "transactionState", state);
	+ }
	+
	+ {
	+ zval txn_opts;
	+
	+ php_phongo_transaction_options_to_zval(intern->client_session, &txn_opts);
	+ ADD_ASSOC_ZVAL_EX(&retval, "transactionOptions", &txn_opts);
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_session_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "Session", php_phongo_session_me);
	+ php_phongo_session_ce = zend_register_internal_class(&ce);
	+ php_phongo_session_ce->create_object = php_phongo_session_create_object;
	+ PHONGO_CE_FINAL(php_phongo_session_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_session_ce);
	+
	+ memcpy(&php_phongo_handler_session, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_session.get_debug_info = php_phongo_session_get_debug_info;
	+ php_phongo_handler_session.free_obj = php_phongo_session_free_object;
	+ php_phongo_handler_session.offset = XtOffsetOf(php_phongo_session_t, std);
	+
	+ zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_NONE"), PHONGO_TRANSACTION_NONE);
	+ zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_STARTING"), PHONGO_TRANSACTION_STARTING);
	+ zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_IN_PROGRESS"), PHONGO_TRANSACTION_IN_PROGRESS);
	+ zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_COMMITTED"), PHONGO_TRANSACTION_COMMITTED);
	+ zend_declare_class_constant_string(php_phongo_session_ce, ZEND_STRL("TRANSACTION_ABORTED"), PHONGO_TRANSACTION_ABORTED);
	+} /* }}} */
	+
	+void phongo_session_init(zval* return_value, zval* manager, mongoc_client_session_t* client_session) /* {{{ */
	+{
	+ php_phongo_session_t* session;
	+
	+ object_init_ex(return_value, php_phongo_session_ce);
	+
	+ session = Z_SESSION_OBJ_P(return_value);
	+ session->client_session = client_session;
	+
	+ ZVAL_ZVAL(&session->manager, manager, 1, 0);
	+}
	+/* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/Session.h b/mongodb-1.13.0/src/MongoDB/Session.h
	new file mode 100644
	index 00000000..9162ffb7
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/Session.h
	@@ -0,0 +1,28 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHP_MONGODB_DRIVER_SESSION_H
	+#define PHP_MONGODB_DRIVER_SESSION_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+mongoc_transaction_opt_t* php_mongodb_session_parse_transaction_options(zval* txnOptions);
	+
	+void phongo_session_init(zval* return_value, zval* manager, mongoc_client_session_t* client_session);
	+
	+#endif /* PHP_MONGODB_DRIVER_SESSION_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/TopologyDescription.c b/mongodb-1.13.0/src/MongoDB/TopologyDescription.c
	new file mode 100644
	index 00000000..a87c4554
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/TopologyDescription.c
	@@ -0,0 +1,247 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/ReadPreference.h"
	+#include "MongoDB/ServerDescription.h"
	+#include "MongoDB/TopologyDescription.h"
	+
	+zend_class_entry* php_phongo_topologydescription_ce;
	+
	+/* Note: these constants are derived from _mongoc_topology_description_type,
	+ * since mongoc_topology_description_t is private. */
	+#define PHONGO_TOPOLOGY_UNKNOWN "Unknown"
	+#define PHONGO_TOPOLOGY_SINGLE "Single"
	+#define PHONGO_TOPOLOGY_SHARDED "Sharded"
	+#define PHONGO_TOPOLOGY_REPLICA_SET_NO_PRIMARY "ReplicaSetNoPrimary"
	+#define PHONGO_TOPOLOGY_REPLICA_SET_WITH_PRIMARY "ReplicaSetWithPrimary"
	+#define PHONGO_TOPOLOGY_LOAD_BALANCED "LoadBalanced"
	+
	+/* {{{ proto array MongoDB\Driver\TopologyDescription::getServers()
	+ Returns an array of ServerDescription objects for all known servers in the topology */
	+static PHP_METHOD(TopologyDescription, getServers)
	+{
	+ php_phongo_topologydescription_t* intern;
	+ mongoc_server_description_t** sds;
	+ size_t i, n = 0;
	+
	+ intern = Z_TOPOLOGYDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ sds = mongoc_topology_description_get_servers(intern->topology_description, &n);
	+
	+ array_init_size(return_value, n);
	+
	+ for (i = 0; i < n; i++) {
	+ zval sd;
	+ phongo_serverdescription_init(&sd, sds[i]);
	+ add_next_index_zval(return_value, &sd);
	+ }
	+
	+ mongoc_server_descriptions_destroy_all(sds, n);
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\TopologyDescription::hasReadableServer([MongoDB\Driver\ReadPreference $readPreference])
	+ Returns whether the topology has a readable server available */
	+static PHP_METHOD(TopologyDescription, hasReadableServer)
	+{
	+ php_phongo_topologydescription_t* intern;
	+ const mongoc_read_prefs_t* read_preference = NULL;
	+ zval* z_read_preference = NULL;
	+
	+ intern = Z_TOPOLOGYDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_START(0, 1)
	+ Z_PARAM_OPTIONAL
	+ Z_PARAM_OBJECT_OF_CLASS(z_read_preference, php_phongo_readpreference_ce)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ if (z_read_preference) {
	+ read_preference = phongo_read_preference_from_zval(z_read_preference);
	+ }
	+
	+ RETVAL_BOOL(mongoc_topology_description_has_readable_server(intern->topology_description, read_preference));
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\TopologyDescription::hasWritableServer()
	+ Returns whether the topology has a writable server available */
	+static PHP_METHOD(TopologyDescription, hasWritableServer)
	+{
	+ php_phongo_topologydescription_t* intern = Z_TOPOLOGYDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_BOOL(mongoc_topology_description_has_writable_server(intern->topology_description));
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\TopologyDescription::getType()
	+ Returns the topology type */
	+static PHP_METHOD(TopologyDescription, getType)
	+{
	+ php_phongo_topologydescription_t* intern = Z_TOPOLOGYDESCRIPTION_OBJ_P(getThis());
	+
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETVAL_STRING(mongoc_topology_description_type(intern->topology_description));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\TopologyDescription function entries */
	+/* clang-format off */
	+ZEND_BEGIN_ARG_INFO_EX(ai_TopologyDescription_hasReadableServer, 0, 0, 0)
	+ ZEND_ARG_OBJ_INFO(0, readPreference, MongoDB\\Driver\\ReadPreference, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_TopologyDescription_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_topologydescription_me[] = {
	+ PHP_ME(TopologyDescription, getServers, ai_TopologyDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyDescription, hasReadableServer, ai_TopologyDescription_hasReadableServer, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyDescription, hasWritableServer, ai_TopologyDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(TopologyDescription, getType, ai_TopologyDescription_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_TopologyDescription_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+};
	+/* clang-format on */
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\TopologyDescription object handlers */
	+static zend_object_handlers php_phongo_handler_topologydescription;
	+
	+static void php_phongo_topologydescription_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_topologydescription_t* intern = Z_OBJ_TOPOLOGYDESCRIPTION(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+
	+ if (intern->topology_description) {
	+ mongoc_topology_description_destroy(intern->topology_description);
	+ }
	+}
	+
	+static zend_object* php_phongo_topologydescription_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_topologydescription_t* intern = zend_object_alloc(sizeof(php_phongo_topologydescription_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_topologydescription;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+HashTable* php_phongo_topologydescription_get_properties_hash(phongo_compat_object_handler_type* object, bool is_debug) /* {{{ */
	+{
	+ php_phongo_topologydescription_t* intern = NULL;
	+ HashTable* props;
	+
	+ intern = Z_OBJ_TOPOLOGYDESCRIPTION(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_debug, intern, props, 2);
	+
	+ if (!intern->topology_description) {
	+ return props;
	+ }
	+
	+ {
	+ zval servers;
	+ size_t i, n = 0;
	+ mongoc_server_description_t** sds = mongoc_topology_description_get_servers(intern->topology_description, &n);
	+
	+ array_init_size(&servers, n);
	+
	+ for (i = 0; i < n; i++) {
	+ zval sd;
	+ phongo_serverdescription_init(&sd, sds[i]);
	+ add_next_index_zval(&servers, &sd);
	+ }
	+
	+ zend_hash_str_update(props, "servers", sizeof("servers") - 1, &servers);
	+ mongoc_server_descriptions_destroy_all(sds, n);
	+ }
	+
	+ {
	+ zval type;
	+
	+ ZVAL_STRING(&type, mongoc_topology_description_type(intern->topology_description));
	+ zend_hash_str_update(props, "type", sizeof("type") - 1, &type);
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+static HashTable* php_phongo_topologydescription_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_topologydescription_get_properties_hash(object, true);
	+} /* }}} */
	+
	+static HashTable* php_phongo_topologydescription_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_topologydescription_get_properties_hash(object, false);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_topologydescription_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "TopologyDescription", php_phongo_topologydescription_me);
	+ php_phongo_topologydescription_ce = zend_register_internal_class(&ce);
	+ php_phongo_topologydescription_ce->create_object = php_phongo_topologydescription_create_object;
	+ PHONGO_CE_FINAL(php_phongo_topologydescription_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_topologydescription_ce);
	+
	+ memcpy(&php_phongo_handler_topologydescription, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_topologydescription.get_debug_info = php_phongo_topologydescription_get_debug_info;
	+ php_phongo_handler_topologydescription.get_properties = php_phongo_topologydescription_get_properties;
	+ php_phongo_handler_topologydescription.free_obj = php_phongo_topologydescription_free_object;
	+ php_phongo_handler_topologydescription.offset = XtOffsetOf(php_phongo_topologydescription_t, std);
	+
	+ zend_declare_class_constant_string(php_phongo_topologydescription_ce, ZEND_STRL("TYPE_UNKNOWN"), PHONGO_TOPOLOGY_UNKNOWN);
	+ zend_declare_class_constant_string(php_phongo_topologydescription_ce, ZEND_STRL("TYPE_SINGLE"), PHONGO_TOPOLOGY_SINGLE);
	+ zend_declare_class_constant_string(php_phongo_topologydescription_ce, ZEND_STRL("TYPE_SHARDED"), PHONGO_TOPOLOGY_SHARDED);
	+ zend_declare_class_constant_string(php_phongo_topologydescription_ce, ZEND_STRL("TYPE_REPLICA_SET_NO_PRIMARY"), PHONGO_TOPOLOGY_REPLICA_SET_NO_PRIMARY);
	+ zend_declare_class_constant_string(php_phongo_topologydescription_ce, ZEND_STRL("TYPE_REPLICA_SET_WITH_PRIMARY"), PHONGO_TOPOLOGY_REPLICA_SET_WITH_PRIMARY);
	+ zend_declare_class_constant_string(php_phongo_topologydescription_ce, ZEND_STRL("TYPE_LOAD_BALANCED"), PHONGO_TOPOLOGY_LOAD_BALANCED);
	+} /* }}} */
	+
	+void phongo_topologydescription_init(zval* return_value, mongoc_topology_description_t* topology_description) /* {{{ */
	+{
	+ php_phongo_topologydescription_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_topologydescription_ce);
	+
	+ intern = Z_TOPOLOGYDESCRIPTION_OBJ_P(return_value);
	+ intern->topology_description = mongoc_topology_description_new_copy(topology_description);
	+}
	+/* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/TopologyDescription.h b/mongodb-1.13.0/src/MongoDB/TopologyDescription.h
	new file mode 100644
	index 00000000..2e5af369
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/TopologyDescription.h
	@@ -0,0 +1,26 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_TOPOLOGYDESCRIPTION_H
	+#define PHONGO_TOPOLOGYDESCRIPTION_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+void phongo_topologydescription_init(zval* return_value, mongoc_topology_description_t* topology_description);
	+
	+#endif /* PHONGO_TOPOLOGYDESCRIPTION_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteConcern.c b/mongodb-1.13.0/src/MongoDB/WriteConcern.c
	new file mode 100644
	index 00000000..10eebd14
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteConcern.c
	@@ -0,0 +1,671 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <zend_smart_str.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+#include "MongoDB/WriteConcern.h"
	+
	+zend_class_entry* php_phongo_writeconcern_ce;
	+
	+/* Initialize the object from a HashTable and return whether it was successful.
	+ * An exception will be thrown on error. */
	+static bool php_phongo_writeconcern_init_from_hash(php_phongo_writeconcern_t* intern, HashTable* props) /* {{{ */
	+{
	+ zval w, wtimeout, *j;
	+
	+ intern->write_concern = mongoc_write_concern_new();
	+
	+ if ((w = zend_hash_str_find(props, "w", sizeof("w") - 1))) {
	+ if (Z_TYPE_P(w) == IS_LONG) {
	+ if (Z_LVAL_P(w) < -3) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"w\" integer field to be >= -3", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+ goto failure;
	+ }
	+ mongoc_write_concern_set_w(intern->write_concern, Z_LVAL_P(w));
	+ } else if (Z_TYPE_P(w) == IS_STRING) {
	+ if (strcmp(Z_STRVAL_P(w), PHONGO_WRITE_CONCERN_W_MAJORITY) == 0) {
	+ mongoc_write_concern_set_w(intern->write_concern, MONGOC_WRITE_CONCERN_W_MAJORITY);
	+ } else {
	+ mongoc_write_concern_set_wtag(intern->write_concern, Z_STRVAL_P(w));
	+ }
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"w\" field to be integer or string", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+ goto failure;
	+ }
	+ }
	+
	+ if ((wtimeout = zend_hash_str_find(props, "wtimeout", sizeof("wtimeout") - 1))) {
	+ if (Z_TYPE_P(wtimeout) == IS_LONG) {
	+ if (Z_LVAL_P(wtimeout) < 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"wtimeout\" integer field to be >= 0", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+ goto failure;
	+ }
	+
	+ mongoc_write_concern_set_wtimeout_int64(intern->write_concern, (int64_t) Z_LVAL_P(wtimeout));
	+ } else if (Z_TYPE_P(wtimeout) == IS_STRING) {
	+ int64_t timeout;
	+
	+ if (!php_phongo_parse_int64(&timeout, Z_STRVAL_P(wtimeout), Z_STRLEN_P(wtimeout))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error parsing \"%s\" as 64-bit value for %s initialization", Z_STRVAL_P(wtimeout), ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+ return false;
	+ }
	+
	+ mongoc_write_concern_set_wtimeout_int64(intern->write_concern, timeout);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"wtimeout\" field to be integer or string", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+ goto failure;
	+ }
	+ }
	+
	+ if ((j = zend_hash_str_find(props, "j", sizeof("j") - 1))) {
	+ if (Z_TYPE_P(j) == IS_TRUE \|\| Z_TYPE_P(j) == IS_FALSE) {
	+ if (zend_is_true(j) && (mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED \|\| mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot enable journaling when using w = 0");
	+ goto failure;
	+ }
	+
	+ mongoc_write_concern_set_journal(intern->write_concern, zend_is_true(j));
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s initialization requires \"j\" field to be boolean", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+ goto failure;
	+ }
	+ }
	+
	+ if (!mongoc_write_concern_is_valid(intern->write_concern)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Write concern is not valid");
	+ goto failure;
	+ }
	+
	+ return true;
	+
	+failure:
	+ mongoc_write_concern_destroy(intern->write_concern);
	+ intern->write_concern = NULL;
	+ return false;
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\WriteConcern::__construct(integer\|string $w[, integer $wtimeout[, boolean $journal]])
	+ Constructs a new WriteConcern */
	+static PHP_METHOD(WriteConcern, __construct)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+ zval * w, *journal;
	+ zend_long wtimeout = 0;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "z\|lz", &w, &wtimeout, &journal) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ intern->write_concern = mongoc_write_concern_new();
	+
	+ if (Z_TYPE_P(w) == IS_LONG) {
	+ if (Z_LVAL_P(w) < -3) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected w to be >= -3, %ld given", Z_LVAL_P(w));
	+ return;
	+ }
	+ mongoc_write_concern_set_w(intern->write_concern, Z_LVAL_P(w));
	+ } else if (Z_TYPE_P(w) == IS_STRING) {
	+ if (strcmp(Z_STRVAL_P(w), PHONGO_WRITE_CONCERN_W_MAJORITY) == 0) {
	+ mongoc_write_concern_set_w(intern->write_concern, MONGOC_WRITE_CONCERN_W_MAJORITY);
	+ } else {
	+ mongoc_write_concern_set_wtag(intern->write_concern, Z_STRVAL_P(w));
	+ }
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected w to be integer or string, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(w));
	+ return;
	+ }
	+
	+ switch (ZEND_NUM_ARGS()) {
	+ case 3:
	+ if (Z_TYPE_P(journal) != IS_NULL) {
	+ if (zend_is_true(journal) && (mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED \|\| mongoc_write_concern_get_w(intern->write_concern) == MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot enable journaling when using w = 0");
	+ return;
	+ }
	+
	+ mongoc_write_concern_set_journal(intern->write_concern, zend_is_true(journal));
	+ }
	+ PHONGO_BREAK_INTENTIONALLY_MISSING
	+
	+ case 2:
	+ if (wtimeout < 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected wtimeout to be >= 0, %" PHONGO_LONG_FORMAT " given", wtimeout);
	+ return;
	+ }
	+
	+ mongoc_write_concern_set_wtimeout_int64(intern->write_concern, (int64_t) wtimeout);
	+ }
	+
	+ if (!mongoc_write_concern_is_valid(intern->write_concern)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Write concern is not valid");
	+ return;
	+ }
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\WriteConcern MongoDB\Driver\WriteConcern::__set_state(array $properties)
	+*/
	+static PHP_METHOD(WriteConcern, __set_state)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+ HashTable* props;
	+ zval* array;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &array) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ object_init_ex(return_value, php_phongo_writeconcern_ce);
	+
	+ intern = Z_WRITECONCERN_OBJ_P(return_value);
	+ props = Z_ARRVAL_P(array);
	+
	+ php_phongo_writeconcern_init_from_hash(intern, props);
	+} /* }}} */
	+
	+/* {{{ proto string\|integer\|null MongoDB\Driver\WriteConcern::getW()
	+ Returns the WriteConcern "w" option */
	+static PHP_METHOD(WriteConcern, getW)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+ const char* wtag;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ wtag = mongoc_write_concern_get_wtag(intern->write_concern);
	+
	+ if (wtag) {
	+ RETURN_STRING(wtag);
	+ }
	+
	+ if (mongoc_write_concern_get_wmajority(intern->write_concern)) {
	+ RETURN_STRING(PHONGO_WRITE_CONCERN_W_MAJORITY);
	+ }
	+
	+ if (mongoc_write_concern_get_w(intern->write_concern) != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	+ RETURN_LONG(mongoc_write_concern_get_w(intern->write_concern));
	+ }
	+
	+ RETURN_NULL();
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\WriteConcern::getWtimeout()
	+ Returns the WriteConcern "wtimeout" option */
	+static PHP_METHOD(WriteConcern, getWtimeout)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+ int64_t wtimeout;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ wtimeout = mongoc_write_concern_get_wtimeout_int64(intern->write_concern);
	+
	+#if SIZEOF_ZEND_LONG == 4
	+ if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	+ zend_error(E_WARNING, "Truncating 64-bit value for wTimeoutMS");
	+ }
	+#endif
	+
	+ RETURN_LONG(wtimeout);
	+} /* }}} */
	+
	+/* {{{ proto null\|boolean MongoDB\Driver\WriteConcern::getJournal()
	+ Returns the WriteConcern "journal" option */
	+static PHP_METHOD(WriteConcern, getJournal)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (mongoc_write_concern_journal_is_set(intern->write_concern)) {
	+ RETURN_BOOL(mongoc_write_concern_get_journal(intern->write_concern));
	+ }
	+
	+ RETURN_NULL();
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\WriteConcern::isDefault()
	+ Returns whether the write concern has not been modified (i.e. from a Manager
	+ with no write concern URI options). */
	+static PHP_METHOD(WriteConcern, isDefault)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_BOOL(mongoc_write_concern_is_default(intern->write_concern));
	+} /* }}} */
	+
	+static HashTable* php_phongo_writeconcern_get_properties_hash(phongo_compat_object_handler_type* object, bool is_temp, bool is_bson, bool is_serialize) /* {{{ */
	+{
	+ php_phongo_writeconcern_t* intern;
	+ HashTable* props;
	+ const char* wtag;
	+ int32_t w;
	+ int64_t wtimeout;
	+
	+ intern = Z_OBJ_WRITECONCERN(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ PHONGO_GET_PROPERTY_HASH_INIT_PROPS(is_temp, intern, props, 4);
	+
	+ if (!intern->write_concern) {
	+ return props;
	+ }
	+
	+ wtag = mongoc_write_concern_get_wtag(intern->write_concern);
	+ w = mongoc_write_concern_get_w(intern->write_concern);
	+ wtimeout = mongoc_write_concern_get_wtimeout_int64(intern->write_concern);
	+
	+ {
	+ zval z_w;
	+
	+ if (wtag) {
	+ ZVAL_STRING(&z_w, wtag);
	+ zend_hash_str_update(props, "w", sizeof("w") - 1, &z_w);
	+ } else if (mongoc_write_concern_get_wmajority(intern->write_concern)) {
	+ ZVAL_STRING(&z_w, PHONGO_WRITE_CONCERN_W_MAJORITY);
	+ zend_hash_str_update(props, "w", sizeof("w") - 1, &z_w);
	+ } else if (w != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	+ ZVAL_LONG(&z_w, w);
	+ zend_hash_str_update(props, "w", sizeof("w") - 1, &z_w);
	+ }
	+
	+ if (mongoc_write_concern_journal_is_set(intern->write_concern)) {
	+ zval z_j;
	+
	+ ZVAL_BOOL(&z_j, mongoc_write_concern_get_journal(intern->write_concern));
	+ zend_hash_str_update(props, "j", sizeof("j") - 1, &z_j);
	+ }
	+
	+ if (wtimeout != 0) {
	+ zval z_wtimeout;
	+
	+ if (is_bson) {
	+ ZVAL_INT64(&z_wtimeout, wtimeout);
	+ } else if (is_serialize) {
	+ if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	+ ZVAL_INT64_STRING(&z_wtimeout, wtimeout);
	+ } else {
	+ ZVAL_LONG(&z_wtimeout, wtimeout);
	+ }
	+ } else {
	+#if SIZEOF_ZEND_LONG == 4
	+ if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	+ ZVAL_INT64_STRING(&z_wtimeout, wtimeout);
	+ } else {
	+ ZVAL_LONG(&z_wtimeout, wtimeout);
	+ }
	+#else
	+ ZVAL_LONG(&z_wtimeout, wtimeout);
	+#endif
	+ }
	+
	+ zend_hash_str_update(props, "wtimeout", sizeof("wtimeout") - 1, &z_wtimeout);
	+ }
	+ }
	+
	+ return props;
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\WriteConcern::bsonSerialize()
	+*/
	+static PHP_METHOD(WriteConcern, bsonSerialize)
	+{
	+ zend_error_handling error_handling;
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ ZVAL_ARR(return_value, php_phongo_writeconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, true, false));
	+ convert_to_object(return_value);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\WriteConcern::serialize()
	+*/
	+static PHP_METHOD(WriteConcern, serialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+ zval retval;
	+ php_serialize_data_t var_hash;
	+ smart_str buf = { 0 };
	+ const char* wtag;
	+ int32_t w;
	+ int64_t wtimeout;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!intern->write_concern) {
	+ return;
	+ }
	+
	+ wtag = mongoc_write_concern_get_wtag(intern->write_concern);
	+ w = mongoc_write_concern_get_w(intern->write_concern);
	+ wtimeout = mongoc_write_concern_get_wtimeout_int64(intern->write_concern);
	+
	+ array_init_size(&retval, 3);
	+
	+ if (wtag) {
	+ ADD_ASSOC_STRING(&retval, "w", wtag);
	+ } else if (mongoc_write_concern_get_wmajority(intern->write_concern)) {
	+ ADD_ASSOC_STRING(&retval, "w", PHONGO_WRITE_CONCERN_W_MAJORITY);
	+ } else if (w != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	+ ADD_ASSOC_LONG_EX(&retval, "w", w);
	+ }
	+
	+ if (mongoc_write_concern_journal_is_set(intern->write_concern)) {
	+ ADD_ASSOC_BOOL_EX(&retval, "j", mongoc_write_concern_get_journal(intern->write_concern));
	+ }
	+
	+ if (wtimeout != 0) {
	+ if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	+ ADD_ASSOC_INT64_AS_STRING(&retval, "wtimeout", wtimeout);
	+ } else {
	+ ADD_ASSOC_LONG_EX(&retval, "wtimeout", wtimeout);
	+ }
	+ }
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&buf, &retval, &var_hash);
	+ smart_str_0(&buf);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ PHONGO_RETVAL_SMART_STR(buf);
	+
	+ smart_str_free(&buf);
	+ zval_ptr_dtor(&retval);
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\WriteConcern::unserialize(string $serialized)
	+*/
	+static PHP_METHOD(WriteConcern, unserialize)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcern_t* intern;
	+ char* serialized;
	+ size_t serialized_len;
	+ zval props;
	+ php_unserialize_data_t var_hash;
	+
	+ intern = Z_WRITECONCERN_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &serialized, &serialized_len) == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!serialized_len) {
	+ return;
	+ }
	+
	+ PHP_VAR_UNSERIALIZE_INIT(var_hash);
	+ if (!php_var_unserialize(&props, (const unsigned char*) &serialized, (unsigned char) serialized + serialized_len, &var_hash)) {
	+ zval_ptr_dtor(&props);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s unserialization failed", ZSTR_VAL(php_phongo_writeconcern_ce->name));
	+
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+ return;
	+ }
	+ PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	+
	+ php_phongo_writeconcern_init_from_hash(intern, HASH_OF(&props));
	+ zval_ptr_dtor(&props);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\WriteConcern::__serialize()
	+*/
	+static PHP_METHOD(WriteConcern, __serialize)
	+{
	+ PHONGO_PARSE_PARAMETERS_NONE();
	+
	+ RETURN_ARR(php_phongo_writeconcern_get_properties_hash(PHONGO_COMPAT_OBJ_P(getThis()), true, false, true));
	+} /* }}} */
	+
	+/* {{{ proto void MongoDB\Driver\WriteConcern::__unserialize(array $data)
	+*/
	+static PHP_METHOD(WriteConcern, __unserialize)
	+{
	+ zval* data;
	+
	+ PHONGO_PARSE_PARAMETERS_START(1, 1)
	+ Z_PARAM_ARRAY(data)
	+ PHONGO_PARSE_PARAMETERS_END();
	+
	+ php_phongo_writeconcern_init_from_hash(Z_WRITECONCERN_OBJ_P(getThis()), Z_ARRVAL_P(data));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteConcern function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern___construct, 0, 0, 1)
	+ ZEND_ARG_INFO(0, w)
	+ ZEND_ARG_INFO(0, wtimeout)
	+ ZEND_ARG_INFO(0, journal)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern___set_state, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, properties, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern___unserialize, 0, 0, 1)
	+ ZEND_ARG_ARRAY_INFO(0, data, 0)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern_unserialize, 0, 0, 1)
	+ ZEND_ARG_INFO(0, serialized)
	+ZEND_END_ARG_INFO()
	+
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcern_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_writeconcern_me[] = {
	+ /* clang-format off */
	+ PHP_ME(WriteConcern, __construct, ai_WriteConcern___construct, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, __serialize, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, __set_state, ai_WriteConcern___set_state, ZEND_ACC_PUBLIC \| ZEND_ACC_STATIC)
	+ PHP_ME(WriteConcern, __unserialize, ai_WriteConcern___unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, getW, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, getWtimeout, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, getJournal, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, isDefault, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, bsonSerialize, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, serialize, ai_WriteConcern_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcern, unserialize, ai_WriteConcern_unserialize, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteConcern object handlers */
	+static zend_object_handlers php_phongo_handler_writeconcern;
	+
	+static void php_phongo_writeconcern_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_writeconcern_t* intern = Z_OBJ_WRITECONCERN(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->properties) {
	+ zend_hash_destroy(intern->properties);
	+ FREE_HASHTABLE(intern->properties);
	+ }
	+
	+ if (intern->write_concern) {
	+ mongoc_write_concern_destroy(intern->write_concern);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_writeconcern_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_writeconcern_t* intern = zend_object_alloc(sizeof(php_phongo_writeconcern_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_writeconcern;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_writeconcern_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ *is_temp = 1;
	+ return php_phongo_writeconcern_get_properties_hash(object, true, false, false);
	+} /* }}} */
	+
	+static HashTable* php_phongo_writeconcern_get_properties(phongo_compat_object_handler_type* object) /* {{{ */
	+{
	+ return php_phongo_writeconcern_get_properties_hash(object, false, false, false);
	+} /* }}} */
	+
	+void php_phongo_writeconcern_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteConcern", php_phongo_writeconcern_me);
	+ php_phongo_writeconcern_ce = zend_register_internal_class(&ce);
	+ php_phongo_writeconcern_ce->create_object = php_phongo_writeconcern_create_object;
	+ PHONGO_CE_FINAL(php_phongo_writeconcern_ce);
	+
	+ zend_class_implements(php_phongo_writeconcern_ce, 1, php_phongo_serializable_ce);
	+ zend_class_implements(php_phongo_writeconcern_ce, 1, zend_ce_serializable);
	+
	+ memcpy(&php_phongo_handler_writeconcern, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_writeconcern.get_debug_info = php_phongo_writeconcern_get_debug_info;
	+ php_phongo_handler_writeconcern.get_properties = php_phongo_writeconcern_get_properties;
	+ php_phongo_handler_writeconcern.free_obj = php_phongo_writeconcern_free_object;
	+ php_phongo_handler_writeconcern.offset = XtOffsetOf(php_phongo_writeconcern_t, std);
	+
	+ zend_declare_class_constant_stringl(php_phongo_writeconcern_ce, ZEND_STRL("MAJORITY"), ZEND_STRL(PHONGO_WRITE_CONCERN_W_MAJORITY));
	+} /* }}} */
	+
	+void phongo_writeconcern_init(zval* return_value, const mongoc_write_concern_t* write_concern) /* {{{ */
	+{
	+ php_phongo_writeconcern_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_writeconcern_ce);
	+
	+ intern = Z_WRITECONCERN_OBJ_P(return_value);
	+ intern->write_concern = mongoc_write_concern_copy(write_concern);
	+}
	+/* }}} */
	+
	+const mongoc_write_concern_t* phongo_write_concern_from_zval(zval* zwrite_concern) /* {{{ */
	+{
	+ if (zwrite_concern) {
	+ php_phongo_writeconcern_t* intern = Z_WRITECONCERN_OBJ_P(zwrite_concern);
	+
	+ if (intern) {
	+ return intern->write_concern;
	+ }
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+void php_phongo_write_concern_to_zval(zval* retval, const mongoc_write_concern_t* write_concern) /* {{{ */
	+{
	+ const char* wtag = mongoc_write_concern_get_wtag(write_concern);
	+ const int32_t w = mongoc_write_concern_get_w(write_concern);
	+ const int64_t wtimeout = mongoc_write_concern_get_wtimeout_int64(write_concern);
	+
	+ array_init_size(retval, 4);
	+
	+ if (wtag) {
	+ ADD_ASSOC_STRING(retval, "w", wtag);
	+ } else if (mongoc_write_concern_get_wmajority(write_concern)) {
	+ ADD_ASSOC_STRING(retval, "w", PHONGO_WRITE_CONCERN_W_MAJORITY);
	+ } else if (w != MONGOC_WRITE_CONCERN_W_DEFAULT) {
	+ ADD_ASSOC_LONG_EX(retval, "w", w);
	+ }
	+
	+ if (mongoc_write_concern_journal_is_set(write_concern)) {
	+ ADD_ASSOC_BOOL_EX(retval, "j", mongoc_write_concern_get_journal(write_concern));
	+ }
	+
	+ if (wtimeout != 0) {
	+#if SIZEOF_ZEND_LONG == 4
	+ if (wtimeout > INT32_MAX \|\| wtimeout < INT32_MIN) {
	+ ADD_ASSOC_INT64_AS_STRING(retval, "wtimeout", wtimeout);
	+ } else {
	+ ADD_ASSOC_LONG_EX(retval, "wtimeout", wtimeout);
	+ }
	+#else
	+ ADD_ASSOC_LONG_EX(retval, "wtimeout", wtimeout);
	+#endif
	+ }
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteConcern.h b/mongodb-1.13.0/src/MongoDB/WriteConcern.h
	new file mode 100644
	index 00000000..7ae865fb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteConcern.h
	@@ -0,0 +1,32 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_WRITECONCERN_H
	+#define PHONGO_WRITECONCERN_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+#define PHONGO_WRITE_CONCERN_W_MAJORITY "majority"
	+
	+void phongo_writeconcern_init(zval* return_value, const mongoc_write_concern_t* write_concern);
	+
	+const mongoc_write_concern_t* phongo_write_concern_from_zval(zval* zwrite_concern);
	+
	+void php_phongo_write_concern_to_zval(zval* retval, const mongoc_write_concern_t* write_concern);
	+
	+#endif /* PHONGO_WRITECONCERN_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteConcernError.c b/mongodb-1.13.0/src/MongoDB/WriteConcernError.c
	new file mode 100644
	index 00000000..afc8a71b
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteConcernError.c
	@@ -0,0 +1,208 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/WriteConcernError.h"
	+
	+zend_class_entry* php_phongo_writeconcernerror_ce;
	+
	+/* {{{ proto integer MongoDB\Driver\WriteConcernError::getCode()
	+ Returns the MongoDB error code */
	+static PHP_METHOD(WriteConcernError, getCode)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcernerror_t* intern;
	+
	+ intern = Z_WRITECONCERNERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->code);
	+} /* }}} */
	+
	+/* {{{ proto object\|null MongoDB\Driver\WriteConcernError::getInfo()
	+ Returns additional metadata for the error */
	+static PHP_METHOD(WriteConcernError, getInfo)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcernerror_t* intern;
	+
	+ intern = Z_WRITECONCERNERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!Z_ISUNDEF(intern->info)) {
	+ RETURN_ZVAL(&intern->info, 1, 0);
	+ }
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\WriteConcernError::getMessage()
	+ Returns the actual error message from the server */
	+static PHP_METHOD(WriteConcernError, getMessage)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeconcernerror_t* intern;
	+
	+ intern = Z_WRITECONCERNERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRING(intern->message);
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteConcernError function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteConcernError_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_writeconcernerror_me[] = {
	+ /* clang-format off */
	+ PHP_ME(WriteConcernError, getCode, ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcernError, getInfo, ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteConcernError, getMessage, ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_WriteConcernError_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_WriteConcernError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteConcernError object handlers */
	+static zend_object_handlers php_phongo_handler_writeconcernerror;
	+
	+static void php_phongo_writeconcernerror_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_writeconcernerror_t* intern = Z_OBJ_WRITECONCERNERROR(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->message) {
	+ efree(intern->message);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->info)) {
	+ zval_ptr_dtor(&intern->info);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_writeconcernerror_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_writeconcernerror_t* intern = zend_object_alloc(sizeof(php_phongo_writeconcernerror_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_writeconcernerror;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_writeconcernerror_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_writeconcernerror_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_WRITECONCERNERROR(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init_size(&retval, 3);
	+ ADD_ASSOC_STRING(&retval, "message", intern->message);
	+ ADD_ASSOC_LONG_EX(&retval, "code", intern->code);
	+ if (!Z_ISUNDEF(intern->info)) {
	+ Z_ADDREF(intern->info);
	+ ADD_ASSOC_ZVAL_EX(&retval, "info", &intern->info);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "info");
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_writeconcernerror_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteConcernError", php_phongo_writeconcernerror_me);
	+ php_phongo_writeconcernerror_ce = zend_register_internal_class(&ce);
	+ php_phongo_writeconcernerror_ce->create_object = php_phongo_writeconcernerror_create_object;
	+ PHONGO_CE_FINAL(php_phongo_writeconcernerror_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_writeconcernerror_ce);
	+
	+ memcpy(&php_phongo_handler_writeconcernerror, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_writeconcernerror.get_debug_info = php_phongo_writeconcernerror_get_debug_info;
	+ php_phongo_handler_writeconcernerror.free_obj = php_phongo_writeconcernerror_free_object;
	+ php_phongo_handler_writeconcernerror.offset = XtOffsetOf(php_phongo_writeconcernerror_t, std);
	+} /* }}} */
	+
	+zend_bool phongo_writeconcernerror_init(zval* return_value, bson_t* bson) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ php_phongo_writeconcernerror_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_writeconcernerror_ce);
	+
	+ intern = Z_WRITECONCERNERROR_OBJ_P(return_value);
	+ intern->code = 0;
	+
	+ if (bson_iter_init_find(&iter, bson, "code") && BSON_ITER_HOLDS_INT32(&iter)) {
	+ intern->code = bson_iter_int32(&iter);
	+ }
	+
	+ if (bson_iter_init_find(&iter, bson, "errmsg") && BSON_ITER_HOLDS_UTF8(&iter)) {
	+ uint32_t errmsg_len;
	+ const char* err_msg = bson_iter_utf8(&iter, &errmsg_len);
	+
	+ intern->message = estrndup(err_msg, errmsg_len);
	+ }
	+
	+ if (bson_iter_init_find(&iter, bson, "errInfo") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ uint32_t len;
	+ const uint8_t* data = NULL;
	+
	+ bson_iter_document(&iter, &len, &data);
	+
	+ if (!php_phongo_bson_to_zval(data, len, &intern->info)) {
	+ zval_ptr_dtor(&intern->info);
	+ ZVAL_UNDEF(&intern->info);
	+
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteConcernError.h b/mongodb-1.13.0/src/MongoDB/WriteConcernError.h
	new file mode 100644
	index 00000000..f5f632bf
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteConcernError.h
	@@ -0,0 +1,26 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_WRITECONCERNERROR_H
	+#define PHONGO_WRITECONCERNERROR_H
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+zend_bool phongo_writeconcernerror_init(zval* return_value, bson_t* bson);
	+
	+#endif /* PHONGO_WRITECONCERNERROR_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteError.c b/mongodb-1.13.0/src/MongoDB/WriteError.c
	new file mode 100644
	index 00000000..e5fed4ab
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteError.c
	@@ -0,0 +1,235 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/WriteError.h"
	+
	+zend_class_entry* php_phongo_writeerror_ce;
	+
	+/* {{{ proto integer MongoDB\Driver\WriteError::getCode()
	+ Returns the MongoDB error code */
	+static PHP_METHOD(WriteError, getCode)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeerror_t* intern;
	+
	+ intern = Z_WRITEERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->code);
	+} /* }}} */
	+
	+/* {{{ proto integer MongoDB\Driver\WriteError::getIndex()
	+ Returns the index of the operation in the BulkWrite to which this WriteError
	+ corresponds. */
	+static PHP_METHOD(WriteError, getIndex)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeerror_t* intern;
	+
	+ intern = Z_WRITEERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_LONG(intern->index);
	+} /* }}} */
	+
	+/* {{{ proto string MongoDB\Driver\WriteError::getMessage()
	+ Returns the actual error message from the server */
	+static PHP_METHOD(WriteError, getMessage)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeerror_t* intern;
	+
	+ intern = Z_WRITEERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_STRING(intern->message);
	+} /* }}} */
	+
	+/* {{{ proto object\|null MongoDB\Driver\WriteError::getInfo()
	+ Returns additional metadata for the error */
	+static PHP_METHOD(WriteError, getInfo)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeerror_t* intern;
	+
	+ intern = Z_WRITEERROR_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ if (!Z_ISUNDEF(intern->info)) {
	+ RETURN_ZVAL(&intern->info, 1, 0);
	+ }
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteError function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteError_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_writeerror_me[] = {
	+ /* clang-format off */
	+ PHP_ME(WriteError, getCode, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteError, getIndex, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteError, getMessage, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteError, getInfo, ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_WriteError_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_WriteError_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteError object handlers */
	+static zend_object_handlers php_phongo_handler_writeerror;
	+
	+static void php_phongo_writeerror_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_writeerror_t* intern = Z_OBJ_WRITEERROR(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->message) {
	+ efree(intern->message);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->info)) {
	+ zval_ptr_dtor(&intern->info);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_writeerror_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_writeerror_t* intern = zend_object_alloc(sizeof(php_phongo_writeerror_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_writeerror;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_writeerror_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_writeerror_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+
	+ *is_temp = 1;
	+ intern = Z_OBJ_WRITEERROR(PHONGO_COMPAT_GET_OBJ(object));
	+
	+ array_init_size(&retval, 3);
	+ ADD_ASSOC_STRING(&retval, "message", intern->message);
	+ ADD_ASSOC_LONG_EX(&retval, "code", intern->code);
	+ ADD_ASSOC_LONG_EX(&retval, "index", intern->index);
	+ if (!Z_ISUNDEF(intern->info)) {
	+ Z_ADDREF(intern->info);
	+ ADD_ASSOC_ZVAL_EX(&retval, "info", &intern->info);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "info");
	+ }
	+
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_writeerror_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteError", php_phongo_writeerror_me);
	+ php_phongo_writeerror_ce = zend_register_internal_class(&ce);
	+ php_phongo_writeerror_ce->create_object = php_phongo_writeerror_create_object;
	+ PHONGO_CE_FINAL(php_phongo_writeerror_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_writeerror_ce);
	+
	+ memcpy(&php_phongo_handler_writeerror, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_writeerror.get_debug_info = php_phongo_writeerror_get_debug_info;
	+ php_phongo_handler_writeerror.free_obj = php_phongo_writeerror_free_object;
	+ php_phongo_handler_writeerror.offset = XtOffsetOf(php_phongo_writeerror_t, std);
	+} /* }}} */
	+
	+zend_bool phongo_writeerror_init(zval* return_value, bson_t* bson) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ php_phongo_writeerror_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_writeerror_ce);
	+
	+ intern = Z_WRITEERROR_OBJ_P(return_value);
	+ intern->code = 0;
	+ intern->index = 0;
	+
	+ if (bson_iter_init_find(&iter, bson, "code") && BSON_ITER_HOLDS_INT32(&iter)) {
	+ intern->code = bson_iter_int32(&iter);
	+ }
	+
	+ if (bson_iter_init_find(&iter, bson, "errmsg") && BSON_ITER_HOLDS_UTF8(&iter)) {
	+ uint32_t errmsg_len;
	+ const char* err_msg = bson_iter_utf8(&iter, &errmsg_len);
	+
	+ intern->message = estrndup(err_msg, errmsg_len);
	+ }
	+
	+ if (bson_iter_init_find(&iter, bson, "errInfo") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ uint32_t len;
	+ const uint8_t* data = NULL;
	+
	+ bson_iter_document(&iter, &len, &data);
	+
	+ if (!php_phongo_bson_to_zval(data, len, &intern->info)) {
	+ zval_ptr_dtor(&intern->info);
	+ ZVAL_UNDEF(&intern->info);
	+
	+ return false;
	+ }
	+ }
	+
	+ if (bson_iter_init_find(&iter, bson, "index") && BSON_ITER_HOLDS_INT32(&iter)) {
	+ intern->index = bson_iter_int32(&iter);
	+ }
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteError.h b/mongodb-1.13.0/src/MongoDB/WriteError.h
	new file mode 100644
	index 00000000..b2334f98
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteError.h
	@@ -0,0 +1,26 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_WRITEERROR_H
	+#define PHONGO_WRITEERROR_H
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+zend_bool phongo_writeerror_init(zval* return_value, bson_t* bson);
	+
	+#endif /* PHONGO_WRITEERROR_H */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteResult.c b/mongodb-1.13.0/src/MongoDB/WriteResult.c
	new file mode 100644
	index 00000000..759fa0b6
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteResult.c
	@@ -0,0 +1,493 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+#include "MongoDB/Server.h"
	+#include "MongoDB/WriteConcern.h"
	+#include "MongoDB/WriteConcernError.h"
	+#include "MongoDB/WriteError.h"
	+
	+#define PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(iter, bson, key) \
	+ if (bson_iter_init_find((iter), (bson), (key)) && BSON_ITER_HOLDS_INT32((iter))) { \
	+ RETURN_LONG(bson_iter_int32((iter))); \
	+ }
	+
	+zend_class_entry* php_phongo_writeresult_ce;
	+
	+static bool php_phongo_writeresult_get_writeconcernerror(php_phongo_writeresult_t* intern, zval* return_value) /* {{{ */
	+{
	+ bson_iter_t iter, child;
	+ zval writeconcernerror;
	+
	+ ZVAL_NULL(return_value);
	+
	+ if (bson_iter_init_find(&iter, intern->reply, "writeConcernErrors") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	+ while (bson_iter_next(&child)) {
	+ bson_t cbson;
	+ uint32_t len;
	+ const uint8_t* data;
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT(&child)) {
	+ continue;
	+ }
	+
	+ bson_iter_document(&child, &len, &data);
	+
	+ if (!bson_init_static(&cbson, data, len)) {
	+ continue;
	+ }
	+
	+ if (!phongo_writeconcernerror_init(&writeconcernerror, &cbson)) {
	+ zval_ptr_dtor(&writeconcernerror);
	+ return false;
	+ }
	+
	+ ZVAL_ZVAL(return_value, &writeconcernerror, 1, 1);
	+
	+ return true;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+static bool php_phongo_writeresult_get_writeerrors(php_phongo_writeresult_t* intern, zval* return_value) /* {{{ */
	+{
	+ bson_iter_t iter, child;
	+
	+ array_init(return_value);
	+
	+ if (bson_iter_init_find(&iter, intern->reply, "writeErrors") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	+ while (bson_iter_next(&child)) {
	+ bson_t cbson;
	+ uint32_t len;
	+ const uint8_t* data;
	+ zval writeerror;
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT(&child)) {
	+ continue;
	+ }
	+
	+ bson_iter_document(&child, &len, &data);
	+
	+ if (!bson_init_static(&cbson, data, len)) {
	+ continue;
	+ }
	+
	+ if (!phongo_writeerror_init(&writeerror, &cbson)) {
	+ zval_ptr_dtor(&writeerror);
	+ continue;
	+ }
	+
	+ add_next_index_zval(return_value, &writeerror);
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getInsertedCount()
	+ Returns the number of documents that were inserted */
	+static PHP_METHOD(WriteResult, getInsertedCount)
	+{
	+ zend_error_handling error_handling;
	+ bson_iter_t iter;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nInserted");
	+} /* }}} */
	+
	+/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getMatchedCount()
	+ Returns the number of documents that matched the update criteria */
	+static PHP_METHOD(WriteResult, getMatchedCount)
	+{
	+ zend_error_handling error_handling;
	+ bson_iter_t iter;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nMatched");
	+} /* }}} */
	+
	+/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getModifiedCount()
	+ Returns the number of documents that were actually modified by an update */
	+static PHP_METHOD(WriteResult, getModifiedCount)
	+{
	+ zend_error_handling error_handling;
	+ bson_iter_t iter;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nModified");
	+} /* }}} */
	+
	+/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getDeletedCount()
	+ Returns the number of documents that were deleted */
	+static PHP_METHOD(WriteResult, getDeletedCount)
	+{
	+ zend_error_handling error_handling;
	+ bson_iter_t iter;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nRemoved");
	+} /* }}} */
	+
	+/* {{{ proto integer\|null MongoDB\Driver\WriteResult::getUpsertedCount()
	+ Returns the number of documents that were upserted */
	+static PHP_METHOD(WriteResult, getUpsertedCount)
	+{
	+ zend_error_handling error_handling;
	+ bson_iter_t iter;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ PHONGO_WRITERESULT_RETURN_LONG_FROM_BSON_INT32(&iter, intern->reply, "nUpserted");
	+} /* }}} */
	+
	+/* {{{ proto MongoDB\Driver\Server MongoDB\Driver\WriteResult::getServer()
	+ Returns the Server from which the result originated */
	+static PHP_METHOD(WriteResult, getServer)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ phongo_server_init(return_value, &intern->manager, intern->server_id);
	+} /* }}} */
	+
	+/* {{{ proto array MongoDB\Driver\WriteResult::getUpsertedIds()
	+ Returns the identifiers generated by the server for upsert operations. */
	+static PHP_METHOD(WriteResult, getUpsertedIds)
	+{
	+ zend_error_handling error_handling;
	+ bson_iter_t iter, child;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ array_init(return_value);
	+
	+ if (bson_iter_init_find(&iter, intern->reply, "upserted") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	+ while (bson_iter_next(&child)) {
	+ uint32_t data_len;
	+ const uint8_t* data = NULL;
	+ php_phongo_bson_state state;
	+
	+ /* Use PHONGO_TYPEMAP_NATIVE_ARRAY for the root type so we can
	+ * easily access the "index" and "_id" fields. */
	+ PHONGO_BSON_INIT_STATE(state);
	+ state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT(&child)) {
	+ continue;
	+ }
	+
	+ bson_iter_document(&child, &data_len, &data);
	+
	+ if (php_phongo_bson_to_zval_ex(data, data_len, &state)) {
	+ zval* zid = php_array_fetchc(&state.zchild, "_id");
	+ add_index_zval(return_value, php_array_fetchc_long(&state.zchild, "index"), zid);
	+ zval_add_ref(zid);
	+ }
	+
	+ zval_ptr_dtor(&state.zchild);
	+ }
	+ }
	+} /* }}} */
	+
	+/* {{{ proto WriteConcernError MongoDB\Driver\WriteResult::getWriteConcernError()
	+ Return any write concern error that occurred */
	+static PHP_METHOD(WriteResult, getWriteConcernError)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_writeresult_get_writeconcernerror(intern, return_value);
	+} /* }}} */
	+
	+/* {{{ proto WriteError[] MongoDB\Driver\WriteResult::getWriteErrors()
	+ Returns any write errors that occurred */
	+static PHP_METHOD(WriteResult, getWriteErrors)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ php_phongo_writeresult_get_writeerrors(intern, return_value);
	+} /* }}} */
	+
	+/* {{{ proto boolean MongoDB\Driver\WriteResult::isAcknowledged()
	+ Returns whether the write operation was acknowledged (based on the write
	+ concern). */
	+static PHP_METHOD(WriteResult, isAcknowledged)
	+{
	+ zend_error_handling error_handling;
	+ php_phongo_writeresult_t* intern;
	+
	+ intern = Z_WRITERESULT_OBJ_P(getThis());
	+
	+ zend_replace_error_handling(EH_THROW, phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), &error_handling);
	+ if (zend_parse_parameters_none() == FAILURE) {
	+ zend_restore_error_handling(&error_handling);
	+ return;
	+ }
	+ zend_restore_error_handling(&error_handling);
	+
	+ RETURN_BOOL(mongoc_write_concern_is_acknowledged(intern->write_concern));
	+} /* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteResult function entries */
	+ZEND_BEGIN_ARG_INFO_EX(ai_WriteResult_void, 0, 0, 0)
	+ZEND_END_ARG_INFO()
	+
	+static zend_function_entry php_phongo_writeresult_me[] = {
	+ /* clang-format off */
	+ PHP_ME(WriteResult, getInsertedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getMatchedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getModifiedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getDeletedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getUpsertedCount, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getServer, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getUpsertedIds, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getWriteConcernError, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, getWriteErrors, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_ME(WriteResult, isAcknowledged, ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__construct, PHP_FN(MongoDB_disabled___construct), ai_WriteResult_void, ZEND_ACC_PRIVATE \| ZEND_ACC_FINAL)
	+ ZEND_NAMED_ME(__wakeup, PHP_FN(MongoDB_disabled___wakeup), ai_WriteResult_void, ZEND_ACC_PUBLIC \| ZEND_ACC_FINAL)
	+ PHP_FE_END
	+ /* clang-format on */
	+};
	+/* }}} */
	+
	+/* {{{ MongoDB\Driver\WriteResult object handlers */
	+static zend_object_handlers php_phongo_handler_writeresult;
	+
	+static void php_phongo_writeresult_free_object(zend_object* object) /* {{{ */
	+{
	+ php_phongo_writeresult_t* intern = Z_OBJ_WRITERESULT(object);
	+
	+ zend_object_std_dtor(&intern->std);
	+
	+ if (intern->reply) {
	+ bson_destroy(intern->reply);
	+ }
	+
	+ if (intern->write_concern) {
	+ mongoc_write_concern_destroy(intern->write_concern);
	+ }
	+
	+ if (!Z_ISUNDEF(intern->manager)) {
	+ zval_ptr_dtor(&intern->manager);
	+ }
	+} /* }}} */
	+
	+static zend_object* php_phongo_writeresult_create_object(zend_class_entry* class_type) /* {{{ */
	+{
	+ php_phongo_writeresult_t* intern = zend_object_alloc(sizeof(php_phongo_writeresult_t), class_type);
	+
	+ zend_object_std_init(&intern->std, class_type);
	+ object_properties_init(&intern->std, class_type);
	+
	+ intern->std.handlers = &php_phongo_handler_writeresult;
	+
	+ return &intern->std;
	+} /* }}} */
	+
	+static HashTable* php_phongo_writeresult_get_debug_info(phongo_compat_object_handler_type* object, int* is_temp) /* {{{ */
	+{
	+ php_phongo_writeresult_t* intern;
	+ zval retval = ZVAL_STATIC_INIT;
	+ bson_iter_t iter;
	+
	+ intern = Z_OBJ_WRITERESULT(PHONGO_COMPAT_GET_OBJ(object));
	+ *is_temp = 1;
	+ array_init_size(&retval, 9);
	+
	+#define PHONGO_WRITERESULT_SCP(field) \
	+ if (bson_iter_init_find(&iter, intern->reply, (field)) && BSON_ITER_HOLDS_INT32(&iter)) { \
	+ ADD_ASSOC_LONG_EX(&retval, (field), bson_iter_int32(&iter)); \
	+ } else { \
	+ ADD_ASSOC_NULL_EX(&retval, (field)); \
	+ }
	+
	+ PHONGO_WRITERESULT_SCP("nInserted");
	+ PHONGO_WRITERESULT_SCP("nMatched");
	+ PHONGO_WRITERESULT_SCP("nModified");
	+ PHONGO_WRITERESULT_SCP("nRemoved");
	+ PHONGO_WRITERESULT_SCP("nUpserted");
	+#undef PHONGO_WRITERESULT_SCP
	+
	+ if (bson_iter_init_find(&iter, intern->reply, "upserted") && BSON_ITER_HOLDS_ARRAY(&iter)) {
	+ uint32_t len;
	+ const uint8_t* data;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_DEBUG_STATE(state);
	+ bson_iter_array(&iter, &len, &data);
	+ if (!php_phongo_bson_to_zval_ex(data, len, &state)) {
	+ zval_ptr_dtor(&state.zchild);
	+ goto done;
	+ }
	+
	+ ADD_ASSOC_ZVAL_EX(&retval, "upsertedIds", &state.zchild);
	+ } else {
	+ zval upsertedIds;
	+ array_init(&upsertedIds);
	+ ADD_ASSOC_ZVAL_EX(&retval, "upsertedIds", &upsertedIds);
	+ }
	+
	+ {
	+ zval writeerrors;
	+
	+ php_phongo_writeresult_get_writeerrors(intern, &writeerrors);
	+ ADD_ASSOC_ZVAL_EX(&retval, "writeErrors", &writeerrors);
	+ }
	+
	+ {
	+ zval writeconcernerror;
	+
	+ php_phongo_writeresult_get_writeconcernerror(intern, &writeconcernerror);
	+ ADD_ASSOC_ZVAL_EX(&retval, "writeConcernError", &writeconcernerror);
	+ }
	+
	+ if (intern->write_concern) {
	+ zval write_concern;
	+
	+ phongo_writeconcern_init(&write_concern, intern->write_concern);
	+ ADD_ASSOC_ZVAL_EX(&retval, "writeConcern", &write_concern);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&retval, "writeConcern");
	+ }
	+
	+done:
	+ return Z_ARRVAL(retval);
	+} /* }}} */
	+/* }}} */
	+
	+void php_phongo_writeresult_init_ce(INIT_FUNC_ARGS) /* {{{ */
	+{
	+ zend_class_entry ce;
	+
	+ INIT_NS_CLASS_ENTRY(ce, "MongoDB\\Driver", "WriteResult", php_phongo_writeresult_me);
	+ php_phongo_writeresult_ce = zend_register_internal_class(&ce);
	+ php_phongo_writeresult_ce->create_object = php_phongo_writeresult_create_object;
	+ PHONGO_CE_FINAL(php_phongo_writeresult_ce);
	+ PHONGO_CE_DISABLE_SERIALIZATION(php_phongo_writeresult_ce);
	+
	+ memcpy(&php_phongo_handler_writeresult, phongo_get_std_object_handlers(), sizeof(zend_object_handlers));
	+ php_phongo_handler_writeresult.get_debug_info = php_phongo_writeresult_get_debug_info;
	+ php_phongo_handler_writeresult.free_obj = php_phongo_writeresult_free_object;
	+ php_phongo_handler_writeresult.offset = XtOffsetOf(php_phongo_writeresult_t, std);
	+} /* }}} */
	+
	+php_phongo_writeresult_t* phongo_writeresult_init(zval* return_value, bson_t* reply, zval* manager, uint32_t server_id) /* {{{ */
	+{
	+ php_phongo_writeresult_t* writeresult;
	+
	+ object_init_ex(return_value, php_phongo_writeresult_ce);
	+
	+ writeresult = Z_WRITERESULT_OBJ_P(return_value);
	+ writeresult->reply = bson_copy(reply);
	+ writeresult->server_id = server_id;
	+
	+ ZVAL_ZVAL(&writeresult->manager, manager, 1, 0);
	+
	+ return writeresult;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/MongoDB/WriteResult.h b/mongodb-1.13.0/src/MongoDB/WriteResult.h
	new file mode 100644
	index 00000000..1a7acd9f
	--- /dev/null
	+++ b/mongodb-1.13.0/src/MongoDB/WriteResult.h
	@@ -0,0 +1,26 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_WRITERESULT_H
	+#define PHONGO_WRITERESULT_H
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+php_phongo_writeresult_t* phongo_writeresult_init(zval* return_value, bson_t* reply, zval* manager, uint32_t server_id);
	+
	+#endif /* PHONGO_WRITERESULT_H */
	diff --git a/mongodb-1.12.0/src/contrib/php_array_api.h b/mongodb-1.13.0/src/contrib/php_array_api.h
	similarity index 100%
	rename from mongodb-1.12.0/src/contrib/php_array_api.h
	rename to mongodb-1.13.0/src/contrib/php_array_api.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-b64-private.h b/mongodb-1.13.0/src/libmongoc/src/common/common-b64-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-b64-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-b64-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-b64.c b/mongodb-1.13.0/src/libmongoc/src/common/common-b64.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-b64.c
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-b64.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-config.h b/mongodb-1.13.0/src/libmongoc/src/common/common-config.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-config.h
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-config.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-config.h.in b/mongodb-1.13.0/src/libmongoc/src/common/common-config.h.in
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-config.h.in
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-config.h.in
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-macros-private.h b/mongodb-1.13.0/src/libmongoc/src/common/common-macros-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-macros-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-macros-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-md5-private.h b/mongodb-1.13.0/src/libmongoc/src/common/common-md5-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-md5-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-md5-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-md5.c b/mongodb-1.13.0/src/libmongoc/src/common/common-md5.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-md5.c
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-md5.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-prelude.h b/mongodb-1.13.0/src/libmongoc/src/common/common-prelude.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-prelude.h
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-prelude.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/common/common-thread-private.h b/mongodb-1.13.0/src/libmongoc/src/common/common-thread-private.h
	new file mode 100644
	index 00000000..c0740520
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/common/common-thread-private.h
	@@ -0,0 +1,183 @@
	+/*
	+ * Copyright 2013-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "common-prelude.h"
	+#include "common-config.h"
	+#include "common-macros-private.h"
	+
	+#ifndef COMMON_THREAD_PRIVATE_H
	+#define COMMON_THREAD_PRIVATE_H
	+
	+#define BSON_INSIDE
	+#include "bson/bson-compat.h"
	+#include "bson/bson-config.h"
	+#include "bson/bson-macros.h"
	+#undef BSON_INSIDE
	+
	+BSON_BEGIN_DECLS
	+
	+#if defined(BSON_OS_UNIX)
	+#include <pthread.h>
	+
	+#define BSON_ONCE_FUN(n) void n (void)
	+#define BSON_ONCE_RETURN return
	+#define BSON_ONCE_INIT PTHREAD_ONCE_INIT
	+#define bson_once pthread_once
	+#define bson_once_t pthread_once_t
	+#define bson_thread_t pthread_t
	+#define BSON_THREAD_FUN(_function_name, _arg_name) \
	+ void (_function_name) (void (_arg_name))
	+#define BSON_THREAD_FUN_TYPE(_function_name) void ((_function_name)) (void *)
	+#define BSON_THREAD_RETURN return NULL
	+
	+/* this macro can be defined as a as a build configuration option
	+ * with -DENABLE_DEBUG_ASSERTIONS=ON. its purpose is to allow for functions
	+ * that require a mutex to be locked on entry to assert that the mutex
	+ * is actually locked.
	+ * this can prevent bugs where a caller forgets to lock the mutex. */
	+
	+#ifndef MONGOC_ENABLE_DEBUG_ASSERTIONS
	+
	+#define bson_mutex_destroy pthread_mutex_destroy
	+#define bson_mutex_init(_n) pthread_mutex_init ((_n), NULL)
	+#define bson_mutex_lock pthread_mutex_lock
	+#define bson_mutex_t pthread_mutex_t
	+#define bson_mutex_unlock pthread_mutex_unlock
	+
	+#else
	+typedef struct {
	+ pthread_t lock_owner;
	+ pthread_mutex_t wrapped_mutex;
	+ bool valid_tid;
	+} bson_mutex_t;
	+
	+#define bson_mutex_destroy(mutex) \
	+ do { \
	+ pthread_mutex_destroy (&(mutex)->wrapped_mutex); \
	+ } while (0);
	+
	+#define bson_mutex_init(mutex) \
	+ do { \
	+ pthread_mutex_init (&(mutex)->wrapped_mutex, NULL); \
	+ (mutex)->valid_tid = false; \
	+ } while (0);
	+
	+#define bson_mutex_lock(mutex) \
	+ do { \
	+ pthread_mutex_lock (&(mutex)->wrapped_mutex); \
	+ (mutex)->lock_owner = pthread_self (); \
	+ (mutex)->valid_tid = true; \
	+ } while (0);
	+
	+#define bson_mutex_unlock(mutex) \
	+ do { \
	+ (mutex)->valid_tid = false; \
	+ pthread_mutex_unlock (&(mutex)->wrapped_mutex); \
	+ } while (0);
	+
	+#endif
	+
	+#else
	+#include <process.h>
	+#define BSON_ONCE_FUN(n) \
	+ BOOL CALLBACK n (PINIT_ONCE _ignored_a, PVOID _ignored_b, PVOID *_ignored_c)
	+#define BSON_ONCE_INIT INIT_ONCE_STATIC_INIT
	+#define BSON_ONCE_RETURN return true
	+#define bson_mutex_destroy DeleteCriticalSection
	+#define bson_mutex_init InitializeCriticalSection
	+#define bson_mutex_lock EnterCriticalSection
	+#define bson_mutex_t CRITICAL_SECTION
	+#define bson_mutex_unlock LeaveCriticalSection
	+#define bson_once(o, c) InitOnceExecuteOnce (o, c, NULL, NULL)
	+#define bson_once_t INIT_ONCE
	+#define bson_thread_t HANDLE
	+#define BSON_THREAD_FUN(_function_name, _arg_name) \
	+ unsigned (__stdcall _function_name) (void *(_arg_name))
	+#define BSON_THREAD_FUN_TYPE(_function_name) \
	+ unsigned(__stdcall * _function_name) (void *)
	+#define BSON_THREAD_RETURN return 0
	+#endif
	+
	+/* Functions that require definitions get the common prefix (_mongoc for
	+ * libmongoc or _bson for libbson) to avoid duplicate symbols when linking both
	+ * libbson and libmongoc statically. */
	+int COMMON_PREFIX (thread_join) (bson_thread_t thread);
	+int COMMON_PREFIX (thread_create) (bson_thread_t *thread,
	+ BSON_THREAD_FUN_TYPE (func),
	+ void *arg);
	+
	+#if defined(MONGOC_ENABLE_DEBUG_ASSERTIONS) && defined(BSON_OS_UNIX)
	+bool COMMON_PREFIX (mutex_is_locked) (bson_mutex_t *mutex);
	+#endif
	+
	+/**
	+ * @brief A shared mutex (a read-write lock)
	+ *
	+ * A shared mutex can be locked in 'shared' mode or 'exclusive' mode. Only one
	+ * thread may hold exclusive mode at a time. Any number of threads may hold
	+ * the lock in shared mode simultaneously. No thread can hold in exclusive mode
	+ * while another thread holds in shared mode, and vice-versa.
	+ */
	+typedef struct bson_shared_mutex_t {
	+ BSON_IF_WINDOWS (SRWLOCK native;)
	+ BSON_IF_POSIX (pthread_rwlock_t native;)
	+} bson_shared_mutex_t;
	+
	+static BSON_INLINE void
	+bson_shared_mutex_init (bson_shared_mutex_t *mtx)
	+{
	+ BSON_IF_WINDOWS (InitializeSRWLock (&mtx->native));
	+ BSON_IF_POSIX (pthread_rwlock_init (&mtx->native, NULL));
	+}
	+
	+static BSON_INLINE void
	+bson_shared_mutex_destroy (bson_shared_mutex_t *mtx)
	+{
	+ BSON_IF_WINDOWS ((void) mtx;)
	+ BSON_IF_POSIX (pthread_rwlock_destroy (&mtx->native);)
	+}
	+
	+static BSON_INLINE void
	+bson_shared_mutex_lock_shared (bson_shared_mutex_t *mtx)
	+{
	+ BSON_IF_WINDOWS (AcquireSRWLockShared (&mtx->native);)
	+ BSON_IF_POSIX (pthread_rwlock_rdlock (&mtx->native);)
	+}
	+
	+static BSON_INLINE void
	+bson_shared_mutex_lock (bson_shared_mutex_t *mtx)
	+{
	+ BSON_IF_WINDOWS (AcquireSRWLockExclusive (&mtx->native);)
	+ BSON_IF_POSIX (pthread_rwlock_wrlock (&mtx->native);)
	+}
	+
	+static BSON_INLINE void
	+bson_shared_mutex_unlock (bson_shared_mutex_t *mtx)
	+{
	+ BSON_IF_WINDOWS (ReleaseSRWLockExclusive (&mtx->native);)
	+ BSON_IF_POSIX (pthread_rwlock_unlock (&mtx->native);)
	+}
	+
	+static BSON_INLINE void
	+bson_shared_mutex_unlock_shared (bson_shared_mutex_t *mtx)
	+{
	+ BSON_IF_WINDOWS (ReleaseSRWLockShared (&mtx->native);)
	+ BSON_IF_POSIX (pthread_rwlock_unlock (&mtx->native);)
	+}
	+
	+BSON_END_DECLS
	+
	+#endif /* COMMON_THREAD_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/common/common-thread.c b/mongodb-1.13.0/src/libmongoc/src/common/common-thread.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/common/common-thread.c
	rename to mongodb-1.13.0/src/libmongoc/src/common/common-thread.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/hexlify.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/hexlify.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/hexlify.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/hexlify.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/hexlify.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/hexlify.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/hexlify.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/hexlify.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_b64.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_b64.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_b64.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_b64.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_caller_identity_request.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_caller_identity_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_caller_identity_request.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_caller_identity_request.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_apple.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_apple.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_apple.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_apple.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_libcrypto.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_libcrypto.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_libcrypto.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_libcrypto.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_none.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_none.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_none.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_none.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_windows.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_windows.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_crypto_windows.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_crypto_windows.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_decrypt_request.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_decrypt_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_decrypt_request.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_decrypt_request.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_encrypt_request.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_encrypt_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_encrypt_request.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_encrypt_request.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_kv_list.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_kv_list.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_kv_list.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_kv_list.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_kv_list.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_kv_list.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_kv_list.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_kv_list.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_b64.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_b64.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_b64.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_b64.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_caller_identity_request.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_caller_identity_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_caller_identity_request.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_caller_identity_request.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_decrypt_request.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_decrypt_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_decrypt_request.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_decrypt_request.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_encrypt_request.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_encrypt_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_encrypt_request.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_encrypt_request.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_message.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_message.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_message.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_message.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_message_defines.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_message_defines.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_message_defines.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_message_defines.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_request.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_request.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_request.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_request_opt.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_request_opt.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_request_opt.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_request_opt.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_response.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_response.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_response.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_response.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_response_parser.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_response_parser.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message/kms_response_parser.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message/kms_response_parser.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message_private.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_message_private.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_message_private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_port.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_port.c
	new file mode 100644
	index 00000000..af9ea822
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_port.c
	@@ -0,0 +1,36 @@
	+/*
	+ * Copyright 2020-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "kms_port.h"
	+
	+#include <stdlib.h>
	+#include <string.h>
	+
	+#if defined(_WIN32)
	+char *
	+kms_strndup (const char *src, size_t len)
	+{
	+ char dst = (char ) malloc (len + 1);
	+ if (!dst) {
	+ return 0;
	+ }
	+
	+ memcpy (dst, src, len);
	+ dst[len] = '\0';
	+
	+ return dst;
	+}
	+#endif
	\ No newline at end of file
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_port.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_port.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_port.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_port.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_opt.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_opt.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_opt.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_opt.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_opt_private.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_opt_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_opt_private.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_opt_private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_str.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_str.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_str.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_str.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_str.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_str.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_request_str.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_request_str.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_response.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_response.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_response.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_response.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_response_parser.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_response_parser.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/kms_response_parser.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/kms_response_parser.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/sort.c b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/sort.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/sort.c
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/sort.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/kms-message/src/sort.h b/mongodb-1.13.0/src/libmongoc/src/kms-message/src/sort.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/kms-message/src/sort.h
	rename to mongodb-1.13.0/src/libmongoc/src/kms-message/src/sort.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bcon.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bcon.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bcon.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bcon.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bcon.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bcon.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bcon.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bcon.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-atomic.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-atomic.c
	new file mode 100644
	index 00000000..0531c9fb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-atomic.c
	@@ -0,0 +1,260 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "bson-atomic.h"
	+
	+#ifdef BSON_OS_UNIX
	+/* For sched_yield() */
	+#include <sched.h>
	+#endif
	+
	+int32_t
	+bson_atomic_int_add (volatile int32_t *p, int32_t n)
	+{
	+ return n + bson_atomic_int32_fetch_add (p, n, bson_memory_order_seq_cst);
	+}
	+
	+int64_t
	+bson_atomic_int64_add (volatile int64_t *p, int64_t n)
	+{
	+ return n + bson_atomic_int64_fetch_add (p, n, bson_memory_order_seq_cst);
	+}
	+
	+void
	+bson_thrd_yield (void)
	+{
	+ BSON_IF_WINDOWS (SwitchToThread ();)
	+ BSON_IF_POSIX (sched_yield ();)
	+}
	+
	+void
	+bson_memory_barrier (void)
	+{
	+ bson_atomic_thread_fence ();
	+}
	+
	+/**
	+ * Some platforms do not support compiler intrinsics for atomic operations.
	+ * We emulate that here using a spin lock and regular arithmetic operations
	+ */
	+static int8_t gEmulAtomicLock = 0;
	+
	+static void
	+_lock_emul_atomic ()
	+{
	+ int i;
	+ if (bson_atomic_int8_compare_exchange_weak (
	+ &gEmulAtomicLock, 0, 1, bson_memory_order_acquire) == 0) {
	+ /* Successfully took the spinlock */
	+ return;
	+ }
	+ /* Failed. Try taking ten more times, then begin sleeping. */
	+ for (i = 0; i < 10; ++i) {
	+ if (bson_atomic_int8_compare_exchange_weak (
	+ &gEmulAtomicLock, 0, 1, bson_memory_order_acquire) == 0) {
	+ /* Succeeded in taking the lock */
	+ return;
	+ }
	+ }
	+ /* Still don't have the lock. Spin and yield */
	+ while (bson_atomic_int8_compare_exchange_weak (
	+ &gEmulAtomicLock, 0, 1, bson_memory_order_acquire) != 0) {
	+ bson_thrd_yield ();
	+ }
	+}
	+
	+static void
	+_unlock_emul_atomic ()
	+{
	+ int64_t rv = bson_atomic_int8_exchange (
	+ &gEmulAtomicLock, 0, bson_memory_order_release);
	+ BSON_ASSERT (rv == 1 && "Released atomic lock while not holding it");
	+}
	+
	+int64_t
	+_bson_emul_atomic_int64_fetch_add (volatile int64_t *p,
	+ int64_t n,
	+ enum bson_memory_order _unused)
	+{
	+ int64_t ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p += n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int64_t
	+_bson_emul_atomic_int64_exchange (volatile int64_t *p,
	+ int64_t n,
	+ enum bson_memory_order _unused)
	+{
	+ int64_t ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p = n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int64_t
	+_bson_emul_atomic_int64_compare_exchange_strong (volatile int64_t *p,
	+ int64_t expect_value,
	+ int64_t new_value,
	+ enum bson_memory_order _unused)
	+{
	+ int64_t ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ if (ret == expect_value) {
	+ *p = new_value;
	+ }
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int64_t
	+_bson_emul_atomic_int64_compare_exchange_weak (volatile int64_t *p,
	+ int64_t expect_value,
	+ int64_t new_value,
	+ enum bson_memory_order order)
	+{
	+ /* We're emulating. We can't do a weak version. */
	+ return _bson_emul_atomic_int64_compare_exchange_strong (
	+ p, expect_value, new_value, order);
	+}
	+
	+
	+int32_t
	+_bson_emul_atomic_int32_fetch_add (volatile int32_t *p,
	+ int32_t n,
	+ enum bson_memory_order _unused)
	+{
	+ int32_t ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p += n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int32_t
	+_bson_emul_atomic_int32_exchange (volatile int32_t *p,
	+ int32_t n,
	+ enum bson_memory_order _unused)
	+{
	+ int32_t ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p = n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int32_t
	+_bson_emul_atomic_int32_compare_exchange_strong (volatile int32_t *p,
	+ int32_t expect_value,
	+ int32_t new_value,
	+ enum bson_memory_order _unused)
	+{
	+ int32_t ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ if (ret == expect_value) {
	+ *p = new_value;
	+ }
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int32_t
	+_bson_emul_atomic_int32_compare_exchange_weak (volatile int32_t *p,
	+ int32_t expect_value,
	+ int32_t new_value,
	+ enum bson_memory_order order)
	+{
	+ /* We're emulating. We can't do a weak version. */
	+ return _bson_emul_atomic_int32_compare_exchange_strong (
	+ p, expect_value, new_value, order);
	+}
	+
	+
	+int
	+_bson_emul_atomic_int_fetch_add (volatile int *p,
	+ int n,
	+ enum bson_memory_order _unused)
	+{
	+ int ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p += n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int
	+_bson_emul_atomic_int_exchange (volatile int *p,
	+ int n,
	+ enum bson_memory_order _unused)
	+{
	+ int ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p = n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int
	+_bson_emul_atomic_int_compare_exchange_strong (volatile int *p,
	+ int expect_value,
	+ int new_value,
	+ enum bson_memory_order _unused)
	+{
	+ int ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ if (ret == expect_value) {
	+ *p = new_value;
	+ }
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	+
	+int
	+_bson_emul_atomic_int_compare_exchange_weak (volatile int *p,
	+ int expect_value,
	+ int new_value,
	+ enum bson_memory_order order)
	+{
	+ /* We're emulating. We can't do a weak version. */
	+ return _bson_emul_atomic_int_compare_exchange_strong (
	+ p, expect_value, new_value, order);
	+}
	+
	+void *
	+_bson_emul_atomic_ptr_exchange (void volatile p,
	+ void *n,
	+ enum bson_memory_order _unused)
	+{
	+ void *ret;
	+ _lock_emul_atomic ();
	+ ret = *p;
	+ *p = n;
	+ _unlock_emul_atomic ();
	+ return ret;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-atomic.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-atomic.h
	new file mode 100644
	index 00000000..845fe342
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-atomic.h
	@@ -0,0 +1,774 @@
	+/*
	+ * Copyright 2013-2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-prelude.h"
	+
	+
	+#ifndef BSON_ATOMIC_H
	+#define BSON_ATOMIC_H
	+
	+
	+#include "bson-config.h"
	+#include "bson-compat.h"
	+#include "bson-macros.h"
	+
	+#ifdef _MSC_VER
	+#include <intrin.h>
	+#endif
	+
	+
	+BSON_BEGIN_DECLS
	+
	+enum bson_memory_order {
	+ bson_memory_order_seq_cst,
	+ bson_memory_order_acquire,
	+ bson_memory_order_release,
	+ bson_memory_order_relaxed,
	+ bson_memory_order_acq_rel,
	+ bson_memory_order_consume,
	+};
	+
	+#if defined(_M_ARM) /* MSVC memorder atomics are only avail on ARM */
	+#define MSVC_MEMORDER_SUFFIX(X) X
	+#else
	+#define MSVC_MEMORDER_SUFFIX(X)
	+#endif
	+
	+#if defined(USE_LEGACY_GCC_ATOMICS) \|\| (!defined(__clang__) && __GNUC__ == 4)
	+#define BSON_USE_LEGACY_GCC_ATOMICS
	+#else
	+#undef BSON_USE_LEGACY_GCC_ATOMICS
	+#endif
	+
	+/* Not all GCC-like compilers support the current __atomic built-ins. Older
	+ * GCC (pre-5) used different built-ins named with the __sync prefix. When
	+ * compiling with such older GCC versions, it is necessary to use the applicable
	+ * functions, which requires redefining BSON_IF_GNU_LIKE and defining the
	+ * additional BSON_IF_GNU_LEGACY_ATOMICS macro here. */
	+#ifdef BSON_USE_LEGACY_GCC_ATOMICS
	+#undef BSON_IF_GNU_LIKE
	+#define BSON_IF_GNU_LIKE(...)
	+#define BSON_IF_GNU_LEGACY_ATOMICS(...) __VA_ARGS__
	+#else
	+#define BSON_IF_GNU_LEGACY_ATOMICS(...)
	+#endif
	+
	+/* CDRIVER-4229 zSeries with gcc 4.8.4 produces illegal instructions for int and
	+ * int32 atomic intrinsics. */
	+#if defined(__s390__) \|\| defined(__s390x__) \|\| defined(__zarch__)
	+#define BSON_EMULATE_INT32
	+#define BSON_EMULATE_INT
	+#endif
	+
	+/* CDRIVER-4264 Contrary to documentation, VS 2013 targeting x86 does not
	+ * correctly/consistently provide _InterlockedPointerExchange. */
	+#if defined(_MSC_VER) && _MSC_VER < 1900 && defined(_M_IX86)
	+#define BSON_EMULATE_PTR
	+#endif
	+
	+#define DEF_ATOMIC_OP( \
	+ MSVC_Intrinsic, GNU_Intrinsic, GNU_Legacy_Intrinsic, Order, ...) \
	+ do { \
	+ switch (Order) { \
	+ case bson_memory_order_acq_rel: \
	+ BSON_IF_MSVC (return MSVC_Intrinsic (__VA_ARGS__);) \
	+ BSON_IF_GNU_LIKE ( \
	+ return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_ACQ_REL);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	+ case bson_memory_order_seq_cst: \
	+ BSON_IF_MSVC (return MSVC_Intrinsic (__VA_ARGS__);) \
	+ BSON_IF_GNU_LIKE ( \
	+ return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_SEQ_CST);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	+ case bson_memory_order_acquire: \
	+ BSON_IF_MSVC ( \
	+ return BSON_CONCAT (MSVC_Intrinsic, \
	+ MSVC_MEMORDER_SUFFIX (_acq)) (__VA_ARGS__);) \
	+ BSON_IF_GNU_LIKE ( \
	+ return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_ACQUIRE);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	+ case bson_memory_order_consume: \
	+ BSON_IF_MSVC ( \
	+ return BSON_CONCAT (MSVC_Intrinsic, \
	+ MSVC_MEMORDER_SUFFIX (_acq)) (__VA_ARGS__);) \
	+ BSON_IF_GNU_LIKE ( \
	+ return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_CONSUME);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	+ case bson_memory_order_release: \
	+ BSON_IF_MSVC ( \
	+ return BSON_CONCAT (MSVC_Intrinsic, \
	+ MSVC_MEMORDER_SUFFIX (_rel)) (__VA_ARGS__);) \
	+ BSON_IF_GNU_LIKE ( \
	+ return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_RELEASE);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	+ case bson_memory_order_relaxed: \
	+ BSON_IF_MSVC ( \
	+ return BSON_CONCAT (MSVC_Intrinsic, \
	+ MSVC_MEMORDER_SUFFIX (_nf)) (__VA_ARGS__);) \
	+ BSON_IF_GNU_LIKE ( \
	+ return GNU_Intrinsic (__VA_ARGS__, __ATOMIC_RELAXED);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return GNU_Legacy_Intrinsic (__VA_ARGS__);) \
	+ default: \
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	+ } \
	+ } while (0)
	+
	+
	+#define DEF_ATOMIC_CMPEXCH_STRONG( \
	+ VCSuffix1, VCSuffix2, GNU_MemOrder, Ptr, ExpectActualVar, NewValue) \
	+ do { \
	+ BSON_IF_MSVC (ExpectActualVar = BSON_CONCAT3 ( \
	+ _InterlockedCompareExchange, VCSuffix1, VCSuffix2) ( \
	+ Ptr, NewValue, ExpectActualVar);) \
	+ BSON_IF_GNU_LIKE ( \
	+ (void) __atomic_compare_exchange_n (Ptr, \
	+ &ExpectActualVar, \
	+ NewValue, \
	+ false, /* Not weak */ \
	+ GNU_MemOrder, \
	+ GNU_MemOrder);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ __typeof__ (ExpectActualVar) _val; \
	+ _val = __sync_val_compare_and_swap (Ptr, ExpectActualVar, NewValue); \
	+ ExpectActualVar = _val;) \
	+ } while (0)
	+
	+
	+#define DEF_ATOMIC_CMPEXCH_WEAK( \
	+ VCSuffix1, VCSuffix2, GNU_MemOrder, Ptr, ExpectActualVar, NewValue) \
	+ do { \
	+ BSON_IF_MSVC (ExpectActualVar = BSON_CONCAT3 ( \
	+ _InterlockedCompareExchange, VCSuffix1, VCSuffix2) ( \
	+ Ptr, NewValue, ExpectActualVar);) \
	+ BSON_IF_GNU_LIKE ( \
	+ (void) __atomic_compare_exchange_n (Ptr, \
	+ &ExpectActualVar, \
	+ NewValue, \
	+ true, /* Yes weak */ \
	+ GNU_MemOrder, \
	+ GNU_MemOrder);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ __typeof__ (ExpectActualVar) _val; \
	+ _val = __sync_val_compare_and_swap (Ptr, ExpectActualVar, NewValue); \
	+ ExpectActualVar = _val;) \
	+ } while (0)
	+
	+
	+#define DECL_ATOMIC_INTEGRAL(NamePart, Type, VCIntrinSuffix) \
	+ static BSON_INLINE Type bson_atomic_##NamePart##_fetch_add ( \
	+ Type volatile *a, Type addend, enum bson_memory_order ord) \
	+ { \
	+ DEF_ATOMIC_OP (BSON_CONCAT (_InterlockedExchangeAdd, VCIntrinSuffix), \
	+ __atomic_fetch_add, \
	+ __sync_fetch_and_add, \
	+ ord, \
	+ a, \
	+ addend); \
	+ } \
	+ \
	+ static BSON_INLINE Type bson_atomic_##NamePart##_fetch_sub ( \
	+ Type volatile *a, Type subtrahend, enum bson_memory_order ord) \
	+ { \
	+ /* MSVC doesn't have a subtract intrinsic, so just reuse addition */ \
	+ BSON_IF_MSVC ( \
	+ return bson_atomic_##NamePart##_fetch_add (a, -subtrahend, ord);) \
	+ BSON_IF_GNU_LIKE ( \
	+ DEF_ATOMIC_OP (~, __atomic_fetch_sub, ~, ord, a, subtrahend);) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ DEF_ATOMIC_OP (~, ~, __sync_fetch_and_sub, ord, a, subtrahend);) \
	+ } \
	+ \
	+ static BSON_INLINE Type bson_atomic_##NamePart##_fetch ( \
	+ Type volatile const *a, enum bson_memory_order order) \
	+ { \
	+ /* MSVC doesn't have a load intrinsic, so just add zero */ \
	+ BSON_IF_MSVC (return bson_atomic_##NamePart##_fetch_add ( \
	+ (Type volatile *) a, 0, order);) \
	+ /* GNU doesn't want RELEASE order for the fetch operation, so we can't \
	+ * just use DEF_ATOMIC_OP. */ \
	+ BSON_IF_GNU_LIKE (switch (order) { \
	+ case bson_memory_order_release: /* Fall back to seqcst */ \
	+ case bson_memory_order_acq_rel: /* Fall back to seqcst */ \
	+ case bson_memory_order_seq_cst: \
	+ return __atomic_load_n (a, __ATOMIC_SEQ_CST); \
	+ case bson_memory_order_acquire: \
	+ return __atomic_load_n (a, __ATOMIC_ACQUIRE); \
	+ case bson_memory_order_consume: \
	+ return __atomic_load_n (a, __ATOMIC_CONSUME); \
	+ case bson_memory_order_relaxed: \
	+ return __atomic_load_n (a, __ATOMIC_RELAXED); \
	+ default: \
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	+ }) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ({ \
	+ __sync_synchronize (); \
	+ return *a; \
	+ }) \
	+ } \
	+ \
	+ static BSON_INLINE Type bson_atomic_##NamePart##_exchange ( \
	+ Type volatile *a, Type value, enum bson_memory_order ord) \
	+ { \
	+ BSON_IF_MSVC ( \
	+ DEF_ATOMIC_OP (BSON_CONCAT (_InterlockedExchange, VCIntrinSuffix), \
	+ ~, \
	+ ~, \
	+ ord, \
	+ a, \
	+ value);) \
	+ /* GNU doesn't want CONSUME order for the exchange operation, so we \
	+ * cannot use DEF_ATOMIC_OP. */ \
	+ BSON_IF_GNU_LIKE (switch (ord) { \
	+ case bson_memory_order_acq_rel: \
	+ return __atomic_exchange_n (a, value, __ATOMIC_ACQ_REL); \
	+ case bson_memory_order_release: \
	+ return __atomic_exchange_n (a, value, __ATOMIC_RELEASE); \
	+ case bson_memory_order_seq_cst: \
	+ return __atomic_exchange_n (a, value, __ATOMIC_SEQ_CST); \
	+ case bson_memory_order_consume: /* Fall back to acquire */ \
	+ case bson_memory_order_acquire: \
	+ return __atomic_exchange_n (a, value, __ATOMIC_ACQUIRE); \
	+ case bson_memory_order_relaxed: \
	+ return __atomic_exchange_n (a, value, __ATOMIC_RELAXED); \
	+ default: \
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	+ }) \
	+ BSON_IF_GNU_LEGACY_ATOMICS ( \
	+ return __sync_val_compare_and_swap (a, *a, value);) \
	+ } \
	+ \
	+ static BSON_INLINE Type bson_atomic_##NamePart##_compare_exchange_strong ( \
	+ Type volatile *a, \
	+ Type expect, \
	+ Type new_value, \
	+ enum bson_memory_order ord) \
	+ { \
	+ Type actual = expect; \
	+ switch (ord) { \
	+ case bson_memory_order_release: \
	+ case bson_memory_order_acq_rel: \
	+ case bson_memory_order_seq_cst: \
	+ DEF_ATOMIC_CMPEXCH_STRONG ( \
	+ VCIntrinSuffix, , __ATOMIC_SEQ_CST, a, actual, new_value); \
	+ break; \
	+ case bson_memory_order_acquire: \
	+ DEF_ATOMIC_CMPEXCH_STRONG (VCIntrinSuffix, \
	+ MSVC_MEMORDER_SUFFIX (_acq), \
	+ __ATOMIC_ACQUIRE, \
	+ a, \
	+ actual, \
	+ new_value); \
	+ break; \
	+ case bson_memory_order_consume: \
	+ DEF_ATOMIC_CMPEXCH_STRONG (VCIntrinSuffix, \
	+ MSVC_MEMORDER_SUFFIX (_acq), \
	+ __ATOMIC_CONSUME, \
	+ a, \
	+ actual, \
	+ new_value); \
	+ break; \
	+ case bson_memory_order_relaxed: \
	+ DEF_ATOMIC_CMPEXCH_STRONG (VCIntrinSuffix, \
	+ MSVC_MEMORDER_SUFFIX (_nf), \
	+ __ATOMIC_RELAXED, \
	+ a, \
	+ actual, \
	+ new_value); \
	+ break; \
	+ default: \
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	+ } \
	+ return actual; \
	+ } \
	+ \
	+ static BSON_INLINE Type bson_atomic_##NamePart##_compare_exchange_weak ( \
	+ Type volatile *a, \
	+ Type expect, \
	+ Type new_value, \
	+ enum bson_memory_order ord) \
	+ { \
	+ Type actual = expect; \
	+ switch (ord) { \
	+ case bson_memory_order_release: \
	+ case bson_memory_order_acq_rel: \
	+ case bson_memory_order_seq_cst: \
	+ DEF_ATOMIC_CMPEXCH_WEAK ( \
	+ VCIntrinSuffix, , __ATOMIC_SEQ_CST, a, actual, new_value); \
	+ break; \
	+ case bson_memory_order_acquire: \
	+ DEF_ATOMIC_CMPEXCH_WEAK (VCIntrinSuffix, \
	+ MSVC_MEMORDER_SUFFIX (_acq), \
	+ __ATOMIC_ACQUIRE, \
	+ a, \
	+ actual, \
	+ new_value); \
	+ break; \
	+ case bson_memory_order_consume: \
	+ DEF_ATOMIC_CMPEXCH_WEAK (VCIntrinSuffix, \
	+ MSVC_MEMORDER_SUFFIX (_acq), \
	+ __ATOMIC_CONSUME, \
	+ a, \
	+ actual, \
	+ new_value); \
	+ break; \
	+ case bson_memory_order_relaxed: \
	+ DEF_ATOMIC_CMPEXCH_WEAK (VCIntrinSuffix, \
	+ MSVC_MEMORDER_SUFFIX (_nf), \
	+ __ATOMIC_RELAXED, \
	+ a, \
	+ actual, \
	+ new_value); \
	+ break; \
	+ default: \
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value"); \
	+ } \
	+ return actual; \
	+ }
	+
	+#define DECL_ATOMIC_STDINT(Name, VCSuffix) \
	+ DECL_ATOMIC_INTEGRAL (Name, Name##_t, VCSuffix)
	+
	+#if defined(_MSC_VER) \|\| defined(BSON_USE_LEGACY_GCC_ATOMICS)
	+/* MSVC and GCC require built-in types (not typedefs) for their atomic
	+ * intrinsics. */
	+#if defined(_MSC_VER)
	+#define DECL_ATOMIC_INTEGRAL_INT8 char
	+#define DECL_ATOMIC_INTEGRAL_INT32 long
	+#define DECL_ATOMIC_INTEGRAL_INT long
	+#else
	+#define DECL_ATOMIC_INTEGRAL_INT8 signed char
	+#define DECL_ATOMIC_INTEGRAL_INT32 int
	+#define DECL_ATOMIC_INTEGRAL_INT int
	+#endif
	+DECL_ATOMIC_INTEGRAL (int8, DECL_ATOMIC_INTEGRAL_INT8, 8)
	+DECL_ATOMIC_INTEGRAL (int16, short, 16)
	+#if !defined(BSON_EMULATE_INT32)
	+DECL_ATOMIC_INTEGRAL (int32, DECL_ATOMIC_INTEGRAL_INT32, )
	+#endif
	+#if !defined(BSON_EMULATE_INT)
	+DECL_ATOMIC_INTEGRAL (int, DECL_ATOMIC_INTEGRAL_INT, )
	+#endif
	+#else
	+/* Other compilers that we support provide generic intrinsics */
	+DECL_ATOMIC_STDINT (int8, 8)
	+DECL_ATOMIC_STDINT (int16, 16)
	+#if !defined(BSON_EMULATE_INT32)
	+DECL_ATOMIC_STDINT (int32, )
	+#endif
	+#if !defined(BSON_EMULATE_INT)
	+DECL_ATOMIC_INTEGRAL (int, int, )
	+#endif
	+#endif
	+
	+BSON_EXPORT (int64_t)
	+_bson_emul_atomic_int64_fetch_add (int64_t volatile *val,
	+ int64_t v,
	+ enum bson_memory_order);
	+BSON_EXPORT (int64_t)
	+_bson_emul_atomic_int64_exchange (int64_t volatile *val,
	+ int64_t v,
	+ enum bson_memory_order);
	+BSON_EXPORT (int64_t)
	+_bson_emul_atomic_int64_compare_exchange_strong (int64_t volatile *val,
	+ int64_t expect_value,
	+ int64_t new_value,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (int64_t)
	+_bson_emul_atomic_int64_compare_exchange_weak (int64_t volatile *val,
	+ int64_t expect_value,
	+ int64_t new_value,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (int32_t)
	+_bson_emul_atomic_int32_fetch_add (int32_t volatile *val,
	+ int32_t v,
	+ enum bson_memory_order);
	+BSON_EXPORT (int32_t)
	+_bson_emul_atomic_int32_exchange (int32_t volatile *val,
	+ int32_t v,
	+ enum bson_memory_order);
	+BSON_EXPORT (int32_t)
	+_bson_emul_atomic_int32_compare_exchange_strong (int32_t volatile *val,
	+ int32_t expect_value,
	+ int32_t new_value,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (int32_t)
	+_bson_emul_atomic_int32_compare_exchange_weak (int32_t volatile *val,
	+ int32_t expect_value,
	+ int32_t new_value,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (int)
	+_bson_emul_atomic_int_fetch_add (int volatile *val,
	+ int v,
	+ enum bson_memory_order);
	+BSON_EXPORT (int)
	+_bson_emul_atomic_int_exchange (int volatile *val,
	+ int v,
	+ enum bson_memory_order);
	+BSON_EXPORT (int)
	+_bson_emul_atomic_int_compare_exchange_strong (int volatile *val,
	+ int expect_value,
	+ int new_value,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (int)
	+_bson_emul_atomic_int_compare_exchange_weak (int volatile *val,
	+ int expect_value,
	+ int new_value,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (void *)
	+_bson_emul_atomic_ptr_exchange (void volatile val,
	+ void *v,
	+ enum bson_memory_order);
	+
	+BSON_EXPORT (void)
	+bson_thrd_yield (void);
	+
	+#if (defined(_MSC_VER) && !defined(_M_IX86)) \|\| (defined(__LP64__) && __LP64__)
	+/* (64-bit intrinsics are only available in x64) */
	+#ifdef _MSC_VER
	+DECL_ATOMIC_INTEGRAL (int64, __int64, 64)
	+#else
	+DECL_ATOMIC_STDINT (int64, 64)
	+#endif
	+#else
	+static BSON_INLINE int64_t
	+bson_atomic_int64_fetch (const int64_t volatile *val,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int64_fetch_add (
	+ (int64_t volatile *) val, 0, order);
	+}
	+
	+static BSON_INLINE int64_t
	+bson_atomic_int64_fetch_add (int64_t volatile *val,
	+ int64_t v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int64_fetch_add (val, v, order);
	+}
	+
	+static BSON_INLINE int64_t
	+bson_atomic_int64_fetch_sub (int64_t volatile *val,
	+ int64_t v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int64_fetch_add (val, -v, order);
	+}
	+
	+static BSON_INLINE int64_t
	+bson_atomic_int64_exchange (int64_t volatile *val,
	+ int64_t v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int64_exchange (val, v, order);
	+}
	+
	+static BSON_INLINE int64_t
	+bson_atomic_int64_compare_exchange_strong (int64_t volatile *val,
	+ int64_t expect_value,
	+ int64_t new_value,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int64_compare_exchange_strong (
	+ val, expect_value, new_value, order);
	+}
	+
	+static BSON_INLINE int64_t
	+bson_atomic_int64_compare_exchange_weak (int64_t volatile *val,
	+ int64_t expect_value,
	+ int64_t new_value,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int64_compare_exchange_weak (
	+ val, expect_value, new_value, order);
	+}
	+#endif
	+
	+#if defined(BSON_EMULATE_INT32)
	+static BSON_INLINE int32_t
	+bson_atomic_int32_fetch (const int32_t volatile *val,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int32_fetch_add (
	+ (int32_t volatile *) val, 0, order);
	+}
	+
	+static BSON_INLINE int32_t
	+bson_atomic_int32_fetch_add (int32_t volatile *val,
	+ int32_t v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int32_fetch_add (val, v, order);
	+}
	+
	+static BSON_INLINE int32_t
	+bson_atomic_int32_fetch_sub (int32_t volatile *val,
	+ int32_t v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int32_fetch_add (val, -v, order);
	+}
	+
	+static BSON_INLINE int32_t
	+bson_atomic_int32_exchange (int32_t volatile *val,
	+ int32_t v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int32_exchange (val, v, order);
	+}
	+
	+static BSON_INLINE int32_t
	+bson_atomic_int32_compare_exchange_strong (int32_t volatile *val,
	+ int32_t expect_value,
	+ int32_t new_value,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int32_compare_exchange_strong (
	+ val, expect_value, new_value, order);
	+}
	+
	+static BSON_INLINE int32_t
	+bson_atomic_int32_compare_exchange_weak (int32_t volatile *val,
	+ int32_t expect_value,
	+ int32_t new_value,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int32_compare_exchange_weak (
	+ val, expect_value, new_value, order);
	+}
	+#endif /* BSON_EMULATE_INT32 */
	+
	+#if defined(BSON_EMULATE_INT)
	+static BSON_INLINE int
	+bson_atomic_int_fetch (const int volatile *val, enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int_fetch_add ((int volatile *) val, 0, order);
	+}
	+
	+static BSON_INLINE int
	+bson_atomic_int_fetch_add (int volatile *val,
	+ int v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int_fetch_add (val, v, order);
	+}
	+
	+static BSON_INLINE int
	+bson_atomic_int_fetch_sub (int volatile *val,
	+ int v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int_fetch_add (val, -v, order);
	+}
	+
	+static BSON_INLINE int
	+bson_atomic_int_exchange (int volatile *val,
	+ int v,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int_exchange (val, v, order);
	+}
	+
	+static BSON_INLINE int
	+bson_atomic_int_compare_exchange_strong (int volatile *val,
	+ int expect_value,
	+ int new_value,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int_compare_exchange_strong (
	+ val, expect_value, new_value, order);
	+}
	+
	+static BSON_INLINE int
	+bson_atomic_int_compare_exchange_weak (int volatile *val,
	+ int expect_value,
	+ int new_value,
	+ enum bson_memory_order order)
	+{
	+ return _bson_emul_atomic_int_compare_exchange_weak (
	+ val, expect_value, new_value, order);
	+}
	+#endif /* BSON_EMULATE_INT */
	+
	+static BSON_INLINE void *
	+bson_atomic_ptr_exchange (void volatile ptr,
	+ void *new_value,
	+ enum bson_memory_order ord)
	+{
	+#if defined(BSON_EMULATE_PTR)
	+ return _bson_emul_atomic_ptr_exchange (ptr, new_value, ord);
	+#elif defined(BSON_USE_LEGACY_GCC_ATOMICS)
	+ /* The older __sync_val_compare_and_swap also takes oldval */
	+ DEF_ATOMIC_OP (_InterlockedExchangePointer,
	+ ,
	+ __sync_val_compare_and_swap,
	+ ord,
	+ ptr,
	+ *ptr,
	+ new_value);
	+#else
	+ DEF_ATOMIC_OP (
	+ _InterlockedExchangePointer, __atomic_exchange_n, , ord, ptr, new_value);
	+#endif
	+}
	+
	+static BSON_INLINE void *
	+bson_atomic_ptr_compare_exchange_strong (void volatile ptr,
	+ void *expect,
	+ void *new_value,
	+ enum bson_memory_order ord)
	+{
	+ switch (ord) {
	+ case bson_memory_order_release:
	+ case bson_memory_order_acq_rel:
	+ case bson_memory_order_seq_cst:
	+ DEF_ATOMIC_CMPEXCH_STRONG (
	+ Pointer, , __ATOMIC_SEQ_CST, ptr, expect, new_value);
	+ return expect;
	+ case bson_memory_order_relaxed:
	+ DEF_ATOMIC_CMPEXCH_STRONG (Pointer,
	+ MSVC_MEMORDER_SUFFIX (_nf),
	+ __ATOMIC_RELAXED,
	+ ptr,
	+ expect,
	+ new_value);
	+ return expect;
	+ case bson_memory_order_consume:
	+ DEF_ATOMIC_CMPEXCH_STRONG (Pointer,
	+ MSVC_MEMORDER_SUFFIX (_acq),
	+ __ATOMIC_CONSUME,
	+ ptr,
	+ expect,
	+ new_value);
	+ return expect;
	+ case bson_memory_order_acquire:
	+ DEF_ATOMIC_CMPEXCH_STRONG (Pointer,
	+ MSVC_MEMORDER_SUFFIX (_acq),
	+ __ATOMIC_ACQUIRE,
	+ ptr,
	+ expect,
	+ new_value);
	+ return expect;
	+ default:
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value");
	+ }
	+}
	+
	+
	+static BSON_INLINE void *
	+bson_atomic_ptr_compare_exchange_weak (void volatile ptr,
	+ void *expect,
	+ void *new_value,
	+ enum bson_memory_order ord)
	+{
	+ switch (ord) {
	+ case bson_memory_order_release:
	+ case bson_memory_order_acq_rel:
	+ case bson_memory_order_seq_cst:
	+ DEF_ATOMIC_CMPEXCH_WEAK (
	+ Pointer, , __ATOMIC_SEQ_CST, ptr, expect, new_value);
	+ return expect;
	+ case bson_memory_order_relaxed:
	+ DEF_ATOMIC_CMPEXCH_WEAK (Pointer,
	+ MSVC_MEMORDER_SUFFIX (_nf),
	+ __ATOMIC_RELAXED,
	+ ptr,
	+ expect,
	+ new_value);
	+ return expect;
	+ case bson_memory_order_consume:
	+ DEF_ATOMIC_CMPEXCH_WEAK (Pointer,
	+ MSVC_MEMORDER_SUFFIX (_acq),
	+ __ATOMIC_CONSUME,
	+ ptr,
	+ expect,
	+ new_value);
	+ return expect;
	+ case bson_memory_order_acquire:
	+ DEF_ATOMIC_CMPEXCH_WEAK (Pointer,
	+ MSVC_MEMORDER_SUFFIX (_acq),
	+ __ATOMIC_ACQUIRE,
	+ ptr,
	+ expect,
	+ new_value);
	+ return expect;
	+ default:
	+ BSON_UNREACHABLE ("Invalid bson_memory_order value");
	+ }
	+}
	+
	+
	+static BSON_INLINE void *
	+bson_atomic_ptr_fetch (void volatile const ptr, enum bson_memory_order ord)
	+{
	+ return bson_atomic_ptr_compare_exchange_strong (
	+ (void volatile ) ptr, NULL, NULL, ord);
	+}
	+
	+#undef DECL_ATOMIC_STDINT
	+#undef DECL_ATOMIC_INTEGRAL
	+#undef DEF_ATOMIC_OP
	+#undef DEF_ATOMIC_CMPEXCH_STRONG
	+#undef DEF_ATOMIC_CMPEXCH_WEAK
	+#undef MSVC_MEMORDER_SUFFIX
	+
	+/**
	+ * @brief Generate a full-fence memory barrier at the call site.
	+ */
	+static BSON_INLINE void
	+bson_atomic_thread_fence (void)
	+{
	+ BSON_IF_MSVC (MemoryBarrier ();)
	+ BSON_IF_GNU_LIKE (__sync_synchronize ();)
	+ BSON_IF_GNU_LEGACY_ATOMICS (__sync_synchronize ();)
	+}
	+
	+#ifdef BSON_USE_LEGACY_GCC_ATOMICS
	+#undef BSON_IF_GNU_LIKE
	+#define BSON_IF_GNU_LIKE(...) __VA_ARGS__
	+#endif
	+#undef BSON_IF_GNU_LEGACY_ATOMICS
	+#undef BSON_USE_LEGACY_GCC_ATOMICS
	+
	+BSON_GNUC_DEPRECATED_FOR ("bson_atomic_thread_fence")
	+BSON_EXPORT (void) bson_memory_barrier (void);
	+
	+BSON_GNUC_DEPRECATED_FOR ("bson_atomic_int_fetch_add")
	+BSON_EXPORT (int32_t) bson_atomic_int_add (volatile int32_t *p, int32_t n);
	+
	+BSON_GNUC_DEPRECATED_FOR ("bson_atomic_int64_fetch_add")
	+BSON_EXPORT (int64_t) bson_atomic_int64_add (volatile int64_t *p, int64_t n);
	+
	+
	+#undef BSON_EMULATE_PTR
	+#undef BSON_EMULATE_INT32
	+#undef BSON_EMULATE_INT
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* BSON_ATOMIC_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-clock.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-clock.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-clock.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-clock.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-clock.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-clock.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-clock.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-clock.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-compat.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-compat.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-compat.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-compat.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-config.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-config.h
	new file mode 100644
	index 00000000..fbfa8325
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-config.h
	@@ -0,0 +1,125 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#if !defined(BSON_INSIDE) && !defined(BSON_COMPILATION)
	+#error "Only <bson/bson.h> can be included directly."
	+#endif
	+
	+#ifndef BSON_CONFIG_H
	+#define BSON_CONFIG_H
	+
	+/*
	+ * Define to 1234 for Little Endian, 4321 for Big Endian.
	+ */
	+#define BSON_BYTE_ORDER 1234
	+
	+
	+/*
	+ * Define to 1 if you have stdbool.h
	+ */
	+#define BSON_HAVE_STDBOOL_H 1
	+#if BSON_HAVE_STDBOOL_H != 1
	+# undef BSON_HAVE_STDBOOL_H
	+#endif
	+
	+
	+/*
	+ * Define to 1 for POSIX-like systems, 2 for Windows.
	+ */
	+#define BSON_OS 1
	+
	+
	+/*
	+ * Define to 1 if you have clock_gettime() available.
	+ */
	+#define BSON_HAVE_CLOCK_GETTIME 1
	+#if BSON_HAVE_CLOCK_GETTIME != 1
	+# undef BSON_HAVE_CLOCK_GETTIME
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have strings.h available on your platform.
	+ */
	+#define BSON_HAVE_STRINGS_H 1
	+#if BSON_HAVE_STRINGS_H != 1
	+# undef BSON_HAVE_STRINGS_H
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have strnlen available on your platform.
	+ */
	+#define BSON_HAVE_STRNLEN 1
	+#if BSON_HAVE_STRNLEN != 1
	+# undef BSON_HAVE_STRNLEN
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have snprintf available on your platform.
	+ */
	+#define BSON_HAVE_SNPRINTF 1
	+#if BSON_HAVE_SNPRINTF != 1
	+# undef BSON_HAVE_SNPRINTF
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have gmtime_r available on your platform.
	+ */
	+#define BSON_HAVE_GMTIME_R 1
	+#if BSON_HAVE_GMTIME_R != 1
	+# undef BSON_HAVE_GMTIME_R
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have struct timespec available on your platform.
	+ */
	+#define BSON_HAVE_TIMESPEC 1
	+#if BSON_HAVE_TIMESPEC != 1
	+# undef BSON_HAVE_TIMESPEC
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you want extra aligned types in libbson
	+ */
	+#define BSON_EXTRA_ALIGN 0
	+#if BSON_EXTRA_ALIGN != 1
	+# undef BSON_EXTRA_ALIGN
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have rand_r available on your platform.
	+ */
	+#define BSON_HAVE_RAND_R 1
	+#if BSON_HAVE_RAND_R != 1
	+# undef BSON_HAVE_RAND_R
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have strlcpy available on your platform.
	+ */
	+#define BSON_HAVE_STRLCPY 0
	+#if BSON_HAVE_STRLCPY != 1
	+# undef BSON_HAVE_STRLCPY
	+#endif
	+
	+#endif /* BSON_CONFIG_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-config.h.in b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-config.h.in
	new file mode 100644
	index 00000000..2849d020
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-config.h.in
	@@ -0,0 +1,125 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#if !defined(BSON_INSIDE) && !defined(BSON_COMPILATION)
	+#error "Only <bson/bson.h> can be included directly."
	+#endif
	+
	+#ifndef BSON_CONFIG_H
	+#define BSON_CONFIG_H
	+
	+/*
	+ * Define to 1234 for Little Endian, 4321 for Big Endian.
	+ */
	+#define BSON_BYTE_ORDER @BSON_BYTE_ORDER@
	+
	+
	+/*
	+ * Define to 1 if you have stdbool.h
	+ */
	+#define BSON_HAVE_STDBOOL_H @BSON_HAVE_STDBOOL_H@
	+#if BSON_HAVE_STDBOOL_H != 1
	+# undef BSON_HAVE_STDBOOL_H
	+#endif
	+
	+
	+/*
	+ * Define to 1 for POSIX-like systems, 2 for Windows.
	+ */
	+#define BSON_OS @BSON_OS@
	+
	+
	+/*
	+ * Define to 1 if you have clock_gettime() available.
	+ */
	+#define BSON_HAVE_CLOCK_GETTIME @BSON_HAVE_CLOCK_GETTIME@
	+#if BSON_HAVE_CLOCK_GETTIME != 1
	+# undef BSON_HAVE_CLOCK_GETTIME
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have strings.h available on your platform.
	+ */
	+#define BSON_HAVE_STRINGS_H @BSON_HAVE_STRINGS_H@
	+#if BSON_HAVE_STRINGS_H != 1
	+# undef BSON_HAVE_STRINGS_H
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have strnlen available on your platform.
	+ */
	+#define BSON_HAVE_STRNLEN @BSON_HAVE_STRNLEN@
	+#if BSON_HAVE_STRNLEN != 1
	+# undef BSON_HAVE_STRNLEN
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have snprintf available on your platform.
	+ */
	+#define BSON_HAVE_SNPRINTF @BSON_HAVE_SNPRINTF@
	+#if BSON_HAVE_SNPRINTF != 1
	+# undef BSON_HAVE_SNPRINTF
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have gmtime_r available on your platform.
	+ */
	+#define BSON_HAVE_GMTIME_R @BSON_HAVE_GMTIME_R@
	+#if BSON_HAVE_GMTIME_R != 1
	+# undef BSON_HAVE_GMTIME_R
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have struct timespec available on your platform.
	+ */
	+#define BSON_HAVE_TIMESPEC @BSON_HAVE_TIMESPEC@
	+#if BSON_HAVE_TIMESPEC != 1
	+# undef BSON_HAVE_TIMESPEC
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you want extra aligned types in libbson
	+ */
	+#define BSON_EXTRA_ALIGN @BSON_EXTRA_ALIGN@
	+#if BSON_EXTRA_ALIGN != 1
	+# undef BSON_EXTRA_ALIGN
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have rand_r available on your platform.
	+ */
	+#define BSON_HAVE_RAND_R @BSON_HAVE_RAND_R@
	+#if BSON_HAVE_RAND_R != 1
	+# undef BSON_HAVE_RAND_R
	+#endif
	+
	+
	+/*
	+ * Define to 1 if you have strlcpy available on your platform.
	+ */
	+#define BSON_HAVE_STRLCPY @BSON_HAVE_STRLCPY@
	+#if BSON_HAVE_STRLCPY != 1
	+# undef BSON_HAVE_STRLCPY
	+#endif
	+
	+#endif /* BSON_CONFIG_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context-private.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context-private.h
	new file mode 100644
	index 00000000..c88c87cc
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context-private.h
	@@ -0,0 +1,84 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-prelude.h"
	+
	+
	+#ifndef BSON_CONTEXT_PRIVATE_H
	+#define BSON_CONTEXT_PRIVATE_H
	+
	+
	+#include "bson-context.h"
	+#include "common-thread-private.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+enum {
	+ BSON_OID_RANDOMESS_OFFSET = 4,
	+ BSON_OID_RANDOMNESS_SIZE = 5,
	+ BSON_OID_SEQ32_OFFSET = 9,
	+ BSON_OID_SEQ32_SIZE = 3,
	+ BSON_OID_SEQ64_OFFSET = 4,
	+ BSON_OID_SEQ64_SIZE = 8
	+};
	+
	+struct _bson_context_t {
	+ /* flags are defined in bson_context_flags_t */
	+ int flags;
	+ uint32_t seq32;
	+ uint64_t seq64;
	+ uint8_t randomness[BSON_OID_RANDOMNESS_SIZE];
	+ uint64_t pid;
	+};
	+
	+/**
	+ * @brief Insert the context's randomness data into the given OID
	+ *
	+ * @param context A context for some random data
	+ * @param oid The OID to update.
	+ */
	+void
	+_bson_context_set_oid_rand (bson_context_t context, bson_oid_t oid);
	+
	+/**
	+ * @brief Insert the context's sequence counter into the given OID. Increments
	+ * the context's sequence counter.
	+ *
	+ * @param context The context with the counter to get+update
	+ * @param oid The OID to modify
	+ */
	+void
	+_bson_context_set_oid_seq32 (bson_context_t context, bson_oid_t oid);
	+
	+/**
	+ * @brief Write a 64-bit counter from the given context into the OID. Increments
	+ * the context's sequence counter.
	+ *
	+ * @param context The context with the counter to get+update
	+ * @param oid The OID to modify
	+ *
	+ * @note Only used by the deprecated @ref bson_oid_init_sequence
	+ */
	+void
	+_bson_context_set_oid_seq64 (bson_context_t context, bson_oid_t oid);
	+
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* BSON_CONTEXT_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context.c
	new file mode 100644
	index 00000000..862a80a9
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context.c
	@@ -0,0 +1,380 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-compat.h"
	+
	+#include <limits.h>
	+#include <stdarg.h>
	+#include <stdlib.h>
	+#include <string.h>
	+#include <time.h>
	+
	+#include "bson-atomic.h"
	+#include "bson-clock.h"
	+#include "bson-context.h"
	+#include "bson-context-private.h"
	+#include "bson-memory.h"
	+#include "common-thread-private.h"
	+
	+
	+#ifndef HOST_NAME_MAX
	+#define HOST_NAME_MAX 256
	+#endif
	+
	+
	+/*
	+ * Globals.
	+ */
	+static bson_context_t gContextDefault;
	+
	+static BSON_INLINE uint64_t
	+_bson_getpid (void)
	+{
	+ uint64_t pid;
	+#ifdef BSON_OS_WIN32
	+ DWORD real_pid;
	+
	+ real_pid = GetCurrentProcessId ();
	+ pid = (real_pid & 0xFFFF) ^ ((real_pid >> 16) & 0xFFFF);
	+#else
	+ pid = (uint64_t) getpid ();
	+#endif
	+
	+ return pid;
	+}
	+
	+
	+void
	+_bson_context_set_oid_seq32 (bson_context_t context, / IN */
	+ bson_oid_t oid) / OUT */
	+{
	+ uint32_t seq = (uint32_t) bson_atomic_int32_fetch_add (
	+ (int32_t *) &context->seq32, 1, bson_memory_order_seq_cst);
	+ seq = BSON_UINT32_TO_BE (seq);
	+ memcpy (&oid->bytes[BSON_OID_SEQ32_OFFSET],
	+ ((uint8_t *) &seq) + 1,
	+ BSON_OID_SEQ32_SIZE);
	+}
	+
	+
	+void
	+_bson_context_set_oid_seq64 (bson_context_t context, / IN */
	+ bson_oid_t oid) / OUT */
	+{
	+ uint64_t seq = (uint64_t) bson_atomic_int64_fetch_add (
	+ (int64_t *) &context->seq64, 1, bson_memory_order_seq_cst);
	+
	+ seq = BSON_UINT64_TO_BE (seq);
	+ memcpy (&oid->bytes[BSON_OID_SEQ64_OFFSET], &seq, BSON_OID_SEQ64_SIZE);
	+}
	+
	+/*
	+ * --------------------------------------------------------------------------
	+ *
	+ * _bson_context_get_hostname
	+ *
	+ * Gets the hostname of the machine, logs a warning on failure. "out"
	+ * must be an array of HOST_NAME_MAX bytes.
	+ *
	+ * --------------------------------------------------------------------------
	+ */
	+static void
	+_bson_context_get_hostname (char out[HOST_NAME_MAX])
	+{
	+ if (gethostname (out, HOST_NAME_MAX) != 0) {
	+ if (errno == ENAMETOOLONG) {
	+ fprintf (stderr,
	+ "hostname exceeds %d characters, truncating.",
	+ HOST_NAME_MAX);
	+ } else {
	+ fprintf (stderr, "unable to get hostname: %d", errno);
	+ }
	+ }
	+ out[HOST_NAME_MAX - 1] = '\0';
	+}
	+
	+
	+/*** ========================================
	+ * The below SipHash implementation is based on the original public-domain
	+ * reference implementation from Jean-Philippe Aumasson and DJB
	+ * (https://github.com/veorq/SipHash).
	+ */
	+
	+/* in-place rotate a 64bit number */
	+void
	+_bson_rotl_u64 (uint64_t *p, int nbits)
	+{
	+ p = (p << nbits) \| (*p >> (64 - nbits));
	+}
	+
	+/* Write the little-endian representation of 'val' into 'out' */
	+void
	+_u64_into_u8x8_le (uint8_t out[8], uint64_t val)
	+{
	+ val = BSON_UINT64_TO_LE (val);
	+ memcpy (out, &val, sizeof val);
	+}
	+
	+/* Read a little-endian representation of a 64bit number from 'in' */
	+uint64_t
	+_u8x8_le_to_u64 (const uint8_t in[8])
	+{
	+ uint64_t r;
	+ memcpy (&r, in, sizeof r);
	+ return BSON_UINT64_FROM_LE (r);
	+}
	+
	+/* Perform one SipHash round */
	+void
	+_sip_round (uint64_t v0, uint64_t v1, uint64_t v2, uint64_t v3)
	+{
	+ v0 += v1;
	+ _bson_rotl_u64 (v1, 13);
	+ v1 ^= v0;
	+ _bson_rotl_u64 (v0, 32);
	+ v2 += v3;
	+ _bson_rotl_u64 (v3, 16);
	+ v3 ^= v2;
	+ v0 += v3;
	+ _bson_rotl_u64 (v3, 21);
	+ v3 ^= v0;
	+ v2 += v1;
	+ _bson_rotl_u64 (v1, 17);
	+ v1 ^= v2;
	+ _bson_rotl_u64 (v2, 32);
	+}
	+
	+void
	+_siphash (const void *in,
	+ const size_t inlen,
	+ const uint64_t key[2],
	+ uint64_t digest[2])
	+{
	+ const unsigned char ni = (const unsigned char ) in;
	+ const unsigned char kk = (const unsigned char ) key;
	+ uint8_t digest_buf[16] = {0};
	+
	+ const int C_ROUNDS = 2;
	+ const int D_ROUNDS = 4;
	+
	+ uint64_t v0 = UINT64_C (0x736f6d6570736575);
	+ uint64_t v1 = UINT64_C (0x646f72616e646f6d);
	+ uint64_t v2 = UINT64_C (0x6c7967656e657261);
	+ uint64_t v3 = UINT64_C (0x7465646279746573);
	+ uint64_t k0 = _u8x8_le_to_u64 (kk);
	+ uint64_t k1 = _u8x8_le_to_u64 (kk + 8);
	+ uint64_t m;
	+ int i;
	+ const unsigned char *end = ni + inlen - (inlen % sizeof (uint64_t));
	+ const int left = inlen & 7;
	+ uint64_t b = ((uint64_t) inlen) << 56;
	+ v3 ^= k1;
	+ v2 ^= k0;
	+ v1 ^= k1;
	+ v0 ^= k0;
	+
	+ v1 ^= 0xee;
	+
	+ for (; ni != end; ni += 8) {
	+ m = _u8x8_le_to_u64 (ni);
	+ v3 ^= m;
	+
	+ for (i = 0; i < C_ROUNDS; ++i)
	+ _sip_round (&v0, &v1, &v2, &v3);
	+
	+ v0 ^= m;
	+ }
	+
	+ switch (left) {
	+ case 7:
	+ b \|= ((uint64_t) ni[6]) << 48;
	+ /* FALLTHRU */
	+ case 6:
	+ b \|= ((uint64_t) ni[5]) << 40;
	+ /* FALLTHRU */
	+ case 5:
	+ b \|= ((uint64_t) ni[4]) << 32;
	+ /* FALLTHRU */
	+ case 4:
	+ b \|= ((uint64_t) ni[3]) << 24;
	+ /* FALLTHRU */
	+ case 3:
	+ b \|= ((uint64_t) ni[2]) << 16;
	+ /* FALLTHRU */
	+ case 2:
	+ b \|= ((uint64_t) ni[1]) << 8;
	+ /* FALLTHRU */
	+ case 1:
	+ b \|= ((uint64_t) ni[0]);
	+ break;
	+ default:
	+ BSON_UNREACHABLE ("Invalid remainder during SipHash");
	+ case 0:
	+ break;
	+ }
	+
	+ v3 ^= b;
	+
	+ for (i = 0; i < C_ROUNDS; ++i)
	+ _sip_round (&v0, &v1, &v2, &v3);
	+
	+ v0 ^= b;
	+
	+ v2 ^= 0xee;
	+
	+ for (i = 0; i < D_ROUNDS; ++i)
	+ _sip_round (&v0, &v1, &v2, &v3);
	+
	+ b = v0 ^ v1 ^ v2 ^ v3;
	+ _u64_into_u8x8_le (digest_buf, b);
	+
	+ v1 ^= 0xdd;
	+
	+ for (i = 0; i < D_ROUNDS; ++i)
	+ _sip_round (&v0, &v1, &v2, &v3);
	+
	+ b = v0 ^ v1 ^ v2 ^ v3;
	+ _u64_into_u8x8_le (digest_buf + 8, b);
	+
	+ memcpy (digest, digest_buf, sizeof digest_buf);
	+}
	+
	+/*
	+ * The seed consists of the following hashed together:
	+ * - current time (with microsecond resolution)
	+ * - current pid
	+ * - current hostname
	+ * - The init-call counter
	+ */
	+struct _init_rand_params {
	+ struct timeval time;
	+ uint64_t pid;
	+ char hostname[HOST_NAME_MAX];
	+ int64_t rand_call_counter;
	+};
	+
	+static void
	+_bson_context_init_random (bson_context_t *context, bool init_seq)
	+{
	+ /* Keep an atomic counter of this function being called. This is used to add
	+ * additional input to the random hash, ensuring no two calls in a single
	+ * process will receive identical hash inputs, even occurring at the same
	+ * microsecond. */
	+ static int64_t s_rand_call_counter = INT64_MIN;
	+
	+ /* The message digest of the random params */
	+ uint64_t digest[2] = {0};
	+ uint64_t key[2] = {0};
	+ /* The randomness parameters */
	+ struct _init_rand_params rand_params;
	+
	+ /* Init each part of the randomness source: */
	+ memset (&rand_params, 0, sizeof rand_params);
	+ bson_gettimeofday (&rand_params.time);
	+ rand_params.pid = _bson_getpid ();
	+ _bson_context_get_hostname (rand_params.hostname);
	+ rand_params.rand_call_counter = bson_atomic_int64_fetch_add (
	+ &s_rand_call_counter, 1, bson_memory_order_seq_cst);
	+
	+ /* Generate a SipHash key. We do not care about secrecy or determinism, only
	+ * uniqueness. */
	+ memcpy (key, &rand_params, sizeof key);
	+ key[1] = ~key[0];
	+
	+ /* Hash the param struct */
	+ _siphash (&rand_params, sizeof rand_params, key, digest);
	+
	+ /** Initialize the rand and sequence counters with our random digest */
	+ memcpy (context->randomness, digest, sizeof context->randomness);
	+ if (init_seq) {
	+ memcpy (&context->seq32, digest + 1, sizeof context->seq32);
	+ memcpy (&context->seq64, digest + 1, sizeof context->seq64);
	+ /* Chop off some initial bits for nicer counter behavior. This allows the
	+ * low digit to start at a zero, and prevents immediately wrapping the
	+ * counter in subsequent calls to set_oid_seq. */
	+ context->seq32 &= ~UINT32_C (0xf0000f);
	+ context->seq64 &= ~UINT64_C (0xf0000f);
	+ }
	+
	+ /* Remember the PID we saw here. This may change in case of fork() */
	+ context->pid = rand_params.pid;
	+}
	+
	+static void
	+_bson_context_init (bson_context_t *context, bson_context_flags_t flags)
	+{
	+ context->flags = (int) flags;
	+ _bson_context_init_random (context, true /* Init counters */);
	+}
	+
	+
	+void
	+_bson_context_set_oid_rand (bson_context_t context, bson_oid_t oid)
	+{
	+ BSON_ASSERT (context);
	+ BSON_ASSERT (oid);
	+
	+ if (context->flags & BSON_CONTEXT_DISABLE_PID_CACHE) {
	+ /* User has requested that we check if our PID has changed. This can occur
	+ * after a call to fork() */
	+ uint64_t now_pid = _bson_getpid ();
	+ if (now_pid != context->pid) {
	+ _bson_context_init_random (
	+ context, false /* Do not update the sequence counters */);
	+ }
	+ }
	+ /* Copy the stored randomness into the OID */
	+ memcpy (oid->bytes + BSON_OID_RANDOMESS_OFFSET,
	+ &context->randomness,
	+ BSON_OID_RANDOMNESS_SIZE);
	+}
	+
	+
	+bson_context_t *
	+bson_context_new (bson_context_flags_t flags)
	+{
	+ bson_context_t *context;
	+
	+ context = bson_malloc0 (sizeof *context);
	+ _bson_context_init (context, flags);
	+
	+ return context;
	+}
	+
	+
	+void
	+bson_context_destroy (bson_context_t context) / IN */
	+{
	+ bson_free (context);
	+}
	+
	+
	+static BSON_ONCE_FUN (_bson_context_init_default)
	+{
	+ _bson_context_init (&gContextDefault, BSON_CONTEXT_DISABLE_PID_CACHE);
	+ BSON_ONCE_RETURN;
	+}
	+
	+
	+bson_context_t *
	+bson_context_get_default (void)
	+{
	+ static bson_once_t once = BSON_ONCE_INIT;
	+
	+ bson_once (&once, _bson_context_init_default);
	+
	+ return &gContextDefault;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context.h
	new file mode 100644
	index 00000000..3098ce60
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-context.h
	@@ -0,0 +1,64 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-prelude.h"
	+
	+
	+#ifndef BSON_CONTEXT_H
	+#define BSON_CONTEXT_H
	+
	+
	+#include "bson-macros.h"
	+#include "bson-types.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+/**
	+ * @brief Initialize a new context with the given flags
	+ *
	+ * @param flags Flags used to configure the behavior of the context. For most
	+ * cases, this should be BSON_CONTEXT_NONE.
	+ *
	+ * @return A newly allocated context. Must be freed with bson_context_destroy()
	+ *
	+ * @note If you expect your pid to change without notice, such as from an
	+ * unexpected call to fork(), then specify BSON_CONTEXT_DISABLE_PID_CACHE in
	+ * `flags`.
	+ */
	+BSON_EXPORT (bson_context_t *)
	+bson_context_new (bson_context_flags_t flags);
	+
	+/**
	+ * @brief Destroy and free a bson_context_t created by bson_context_new()
	+ */
	+BSON_EXPORT (void)
	+bson_context_destroy (bson_context_t *context);
	+
	+/**
	+ * @brief Obtain a pointer to the application-default bson_context_t
	+ *
	+ * @note This context_t MUST NOT be passed to bson_context_destroy()
	+ */
	+BSON_EXPORT (bson_context_t *)
	+bson_context_get_default (void);
	+
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* BSON_CONTEXT_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-decimal128.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-endian.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-endian.h
	new file mode 100644
	index 00000000..1acb5479
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-endian.h
	@@ -0,0 +1,227 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-prelude.h"
	+
	+
	+#ifndef BSON_ENDIAN_H
	+#define BSON_ENDIAN_H
	+
	+
	+#if defined(__sun)
	+#include <sys/byteorder.h>
	+#endif
	+
	+#include "bson-config.h"
	+#include "bson-macros.h"
	+#include "bson-compat.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+#define BSON_BIG_ENDIAN 4321
	+#define BSON_LITTLE_ENDIAN 1234
	+
	+
	+#if defined(__sun)
	+#define BSON_UINT16_SWAP_LE_BE(v) BSWAP_16 ((uint16_t) v)
	+#define BSON_UINT32_SWAP_LE_BE(v) BSWAP_32 ((uint32_t) v)
	+#define BSON_UINT64_SWAP_LE_BE(v) BSWAP_64 ((uint64_t) v)
	+#elif defined(__clang__) && defined(__clang_major__) && \
	+ defined(__clang_minor__) && (__clang_major__ >= 3) && \
	+ (__clang_minor__ >= 1)
	+#if __has_builtin(__builtin_bswap16)
	+#define BSON_UINT16_SWAP_LE_BE(v) __builtin_bswap16 (v)
	+#endif
	+#if __has_builtin(__builtin_bswap32)
	+#define BSON_UINT32_SWAP_LE_BE(v) __builtin_bswap32 (v)
	+#endif
	+#if __has_builtin(__builtin_bswap64)
	+#define BSON_UINT64_SWAP_LE_BE(v) __builtin_bswap64 (v)
	+#endif
	+#elif defined(__GNUC__) && (__GNUC__ >= 4)
	+#if __GNUC__ > 4 \|\| (defined(__GNUC_MINOR__) && __GNUC_MINOR__ >= 3)
	+#define BSON_UINT32_SWAP_LE_BE(v) __builtin_bswap32 ((uint32_t) v)
	+#define BSON_UINT64_SWAP_LE_BE(v) __builtin_bswap64 ((uint64_t) v)
	+#endif
	+#if __GNUC__ > 4 \|\| (defined(__GNUC_MINOR__) && __GNUC_MINOR__ >= 8)
	+#define BSON_UINT16_SWAP_LE_BE(v) __builtin_bswap16 ((uint32_t) v)
	+#endif
	+#endif
	+
	+
	+#ifndef BSON_UINT16_SWAP_LE_BE
	+#define BSON_UINT16_SWAP_LE_BE(v) __bson_uint16_swap_slow ((uint16_t) v)
	+#endif
	+
	+
	+#ifndef BSON_UINT32_SWAP_LE_BE
	+#define BSON_UINT32_SWAP_LE_BE(v) __bson_uint32_swap_slow ((uint32_t) v)
	+#endif
	+
	+
	+#ifndef BSON_UINT64_SWAP_LE_BE
	+#define BSON_UINT64_SWAP_LE_BE(v) __bson_uint64_swap_slow ((uint64_t) v)
	+#endif
	+
	+
	+#if BSON_BYTE_ORDER == BSON_LITTLE_ENDIAN
	+#define BSON_UINT16_FROM_LE(v) ((uint16_t) v)
	+#define BSON_UINT16_TO_LE(v) ((uint16_t) v)
	+#define BSON_UINT16_FROM_BE(v) BSON_UINT16_SWAP_LE_BE (v)
	+#define BSON_UINT16_TO_BE(v) BSON_UINT16_SWAP_LE_BE (v)
	+#define BSON_UINT32_FROM_LE(v) ((uint32_t) v)
	+#define BSON_UINT32_TO_LE(v) ((uint32_t) v)
	+#define BSON_UINT32_FROM_BE(v) BSON_UINT32_SWAP_LE_BE (v)
	+#define BSON_UINT32_TO_BE(v) BSON_UINT32_SWAP_LE_BE (v)
	+#define BSON_UINT64_FROM_LE(v) ((uint64_t) v)
	+#define BSON_UINT64_TO_LE(v) ((uint64_t) v)
	+#define BSON_UINT64_FROM_BE(v) BSON_UINT64_SWAP_LE_BE (v)
	+#define BSON_UINT64_TO_BE(v) BSON_UINT64_SWAP_LE_BE (v)
	+#define BSON_DOUBLE_FROM_LE(v) ((double) v)
	+#define BSON_DOUBLE_TO_LE(v) ((double) v)
	+#elif BSON_BYTE_ORDER == BSON_BIG_ENDIAN
	+#define BSON_UINT16_FROM_LE(v) BSON_UINT16_SWAP_LE_BE (v)
	+#define BSON_UINT16_TO_LE(v) BSON_UINT16_SWAP_LE_BE (v)
	+#define BSON_UINT16_FROM_BE(v) ((uint16_t) v)
	+#define BSON_UINT16_TO_BE(v) ((uint16_t) v)
	+#define BSON_UINT32_FROM_LE(v) BSON_UINT32_SWAP_LE_BE (v)
	+#define BSON_UINT32_TO_LE(v) BSON_UINT32_SWAP_LE_BE (v)
	+#define BSON_UINT32_FROM_BE(v) ((uint32_t) v)
	+#define BSON_UINT32_TO_BE(v) ((uint32_t) v)
	+#define BSON_UINT64_FROM_LE(v) BSON_UINT64_SWAP_LE_BE (v)
	+#define BSON_UINT64_TO_LE(v) BSON_UINT64_SWAP_LE_BE (v)
	+#define BSON_UINT64_FROM_BE(v) ((uint64_t) v)
	+#define BSON_UINT64_TO_BE(v) ((uint64_t) v)
	+#define BSON_DOUBLE_FROM_LE(v) (__bson_double_swap_slow (v))
	+#define BSON_DOUBLE_TO_LE(v) (__bson_double_swap_slow (v))
	+#else
	+#error "The endianness of target architecture is unknown."
	+#endif
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * __bson_uint16_swap_slow --
	+ *
	+ * Fallback endianness conversion for 16-bit integers.
	+ *
	+ * Returns:
	+ * The endian swapped version.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static BSON_INLINE uint16_t
	+__bson_uint16_swap_slow (uint16_t v) /* IN */
	+{
	+ return (uint16_t) ((v & 0x00FF) << 8) \| (uint16_t) ((v & 0xFF00) >> 8);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * __bson_uint32_swap_slow --
	+ *
	+ * Fallback endianness conversion for 32-bit integers.
	+ *
	+ * Returns:
	+ * The endian swapped version.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static BSON_INLINE uint32_t
	+__bson_uint32_swap_slow (uint32_t v) /* IN */
	+{
	+ return ((v & 0x000000FFU) << 24) \| ((v & 0x0000FF00U) << 8) \|
	+ ((v & 0x00FF0000U) >> 8) \| ((v & 0xFF000000U) >> 24);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * __bson_uint64_swap_slow --
	+ *
	+ * Fallback endianness conversion for 64-bit integers.
	+ *
	+ * Returns:
	+ * The endian swapped version.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static BSON_INLINE uint64_t
	+__bson_uint64_swap_slow (uint64_t v) /* IN */
	+{
	+ return ((v & 0x00000000000000FFULL) << 56) \|
	+ ((v & 0x000000000000FF00ULL) << 40) \|
	+ ((v & 0x0000000000FF0000ULL) << 24) \|
	+ ((v & 0x00000000FF000000ULL) << 8) \|
	+ ((v & 0x000000FF00000000ULL) >> 8) \|
	+ ((v & 0x0000FF0000000000ULL) >> 24) \|
	+ ((v & 0x00FF000000000000ULL) >> 40) \|
	+ ((v & 0xFF00000000000000ULL) >> 56);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * __bson_double_swap_slow --
	+ *
	+ * Fallback endianness conversion for double floating point.
	+ *
	+ * Returns:
	+ * The endian swapped version.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+BSON_STATIC_ASSERT2 (sizeof_uint64_t, sizeof (double) == sizeof (uint64_t));
	+
	+static BSON_INLINE double
	+__bson_double_swap_slow (double v) /* IN */
	+{
	+ uint64_t uv;
	+
	+ memcpy (&uv, &v, sizeof (v));
	+ uv = BSON_UINT64_SWAP_LE_BE (uv);
	+ memcpy (&v, &uv, sizeof (v));
	+
	+ return v;
	+}
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* BSON_ENDIAN_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-error.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-error.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-error.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-error.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-error.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-error.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-error.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-error.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iso8601-private.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iso8601-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iso8601-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iso8601-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iso8601.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iso8601.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iso8601.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iso8601.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iter.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iter.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iter.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iter.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iter.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iter.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-iter.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-iter.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-json-private.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-json-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-json-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-json-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-json.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-json.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-json.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-json.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-json.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-json.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-json.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-json.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-keys.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-keys.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-keys.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-keys.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-keys.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-keys.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-keys.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-keys.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-macros.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-macros.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-macros.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-macros.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-md5.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-md5.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-md5.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-md5.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-md5.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-md5.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-md5.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-md5.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-memory.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-memory.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-memory.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-memory.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-memory.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-memory.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-memory.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-memory.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-oid.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-oid.c
	new file mode 100644
	index 00000000..513d0626
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-oid.c
	@@ -0,0 +1,293 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-compat.h"
	+
	+#include <limits.h>
	+#include <stdarg.h>
	+#include <stdlib.h>
	+#include <string.h>
	+
	+#include "bson-context-private.h"
	+#include "bson-oid.h"
	+#include "bson-string.h"
	+
	+
	+/*
	+ * This table contains an array of two character pairs for every possible
	+ * uint8_t. It is used as a lookup table when encoding a bson_oid_t
	+ * to hex formatted ASCII. Performing two characters at a time roughly
	+ * reduces the number of operations by one-half.
	+ */
	+static const uint16_t gHexCharPairs[] = {
	+#if BSON_BYTE_ORDER == BSON_BIG_ENDIAN
	+ 12336, 12337, 12338, 12339, 12340, 12341, 12342, 12343, 12344, 12345, 12385,
	+ 12386, 12387, 12388, 12389, 12390, 12592, 12593, 12594, 12595, 12596, 12597,
	+ 12598, 12599, 12600, 12601, 12641, 12642, 12643, 12644, 12645, 12646, 12848,
	+ 12849, 12850, 12851, 12852, 12853, 12854, 12855, 12856, 12857, 12897, 12898,
	+ 12899, 12900, 12901, 12902, 13104, 13105, 13106, 13107, 13108, 13109, 13110,
	+ 13111, 13112, 13113, 13153, 13154, 13155, 13156, 13157, 13158, 13360, 13361,
	+ 13362, 13363, 13364, 13365, 13366, 13367, 13368, 13369, 13409, 13410, 13411,
	+ 13412, 13413, 13414, 13616, 13617, 13618, 13619, 13620, 13621, 13622, 13623,
	+ 13624, 13625, 13665, 13666, 13667, 13668, 13669, 13670, 13872, 13873, 13874,
	+ 13875, 13876, 13877, 13878, 13879, 13880, 13881, 13921, 13922, 13923, 13924,
	+ 13925, 13926, 14128, 14129, 14130, 14131, 14132, 14133, 14134, 14135, 14136,
	+ 14137, 14177, 14178, 14179, 14180, 14181, 14182, 14384, 14385, 14386, 14387,
	+ 14388, 14389, 14390, 14391, 14392, 14393, 14433, 14434, 14435, 14436, 14437,
	+ 14438, 14640, 14641, 14642, 14643, 14644, 14645, 14646, 14647, 14648, 14649,
	+ 14689, 14690, 14691, 14692, 14693, 14694, 24880, 24881, 24882, 24883, 24884,
	+ 24885, 24886, 24887, 24888, 24889, 24929, 24930, 24931, 24932, 24933, 24934,
	+ 25136, 25137, 25138, 25139, 25140, 25141, 25142, 25143, 25144, 25145, 25185,
	+ 25186, 25187, 25188, 25189, 25190, 25392, 25393, 25394, 25395, 25396, 25397,
	+ 25398, 25399, 25400, 25401, 25441, 25442, 25443, 25444, 25445, 25446, 25648,
	+ 25649, 25650, 25651, 25652, 25653, 25654, 25655, 25656, 25657, 25697, 25698,
	+ 25699, 25700, 25701, 25702, 25904, 25905, 25906, 25907, 25908, 25909, 25910,
	+ 25911, 25912, 25913, 25953, 25954, 25955, 25956, 25957, 25958, 26160, 26161,
	+ 26162, 26163, 26164, 26165, 26166, 26167, 26168, 26169, 26209, 26210, 26211,
	+ 26212, 26213, 26214
	+#else
	+ 12336, 12592, 12848, 13104, 13360, 13616, 13872, 14128, 14384, 14640, 24880,
	+ 25136, 25392, 25648, 25904, 26160, 12337, 12593, 12849, 13105, 13361, 13617,
	+ 13873, 14129, 14385, 14641, 24881, 25137, 25393, 25649, 25905, 26161, 12338,
	+ 12594, 12850, 13106, 13362, 13618, 13874, 14130, 14386, 14642, 24882, 25138,
	+ 25394, 25650, 25906, 26162, 12339, 12595, 12851, 13107, 13363, 13619, 13875,
	+ 14131, 14387, 14643, 24883, 25139, 25395, 25651, 25907, 26163, 12340, 12596,
	+ 12852, 13108, 13364, 13620, 13876, 14132, 14388, 14644, 24884, 25140, 25396,
	+ 25652, 25908, 26164, 12341, 12597, 12853, 13109, 13365, 13621, 13877, 14133,
	+ 14389, 14645, 24885, 25141, 25397, 25653, 25909, 26165, 12342, 12598, 12854,
	+ 13110, 13366, 13622, 13878, 14134, 14390, 14646, 24886, 25142, 25398, 25654,
	+ 25910, 26166, 12343, 12599, 12855, 13111, 13367, 13623, 13879, 14135, 14391,
	+ 14647, 24887, 25143, 25399, 25655, 25911, 26167, 12344, 12600, 12856, 13112,
	+ 13368, 13624, 13880, 14136, 14392, 14648, 24888, 25144, 25400, 25656, 25912,
	+ 26168, 12345, 12601, 12857, 13113, 13369, 13625, 13881, 14137, 14393, 14649,
	+ 24889, 25145, 25401, 25657, 25913, 26169, 12385, 12641, 12897, 13153, 13409,
	+ 13665, 13921, 14177, 14433, 14689, 24929, 25185, 25441, 25697, 25953, 26209,
	+ 12386, 12642, 12898, 13154, 13410, 13666, 13922, 14178, 14434, 14690, 24930,
	+ 25186, 25442, 25698, 25954, 26210, 12387, 12643, 12899, 13155, 13411, 13667,
	+ 13923, 14179, 14435, 14691, 24931, 25187, 25443, 25699, 25955, 26211, 12388,
	+ 12644, 12900, 13156, 13412, 13668, 13924, 14180, 14436, 14692, 24932, 25188,
	+ 25444, 25700, 25956, 26212, 12389, 12645, 12901, 13157, 13413, 13669, 13925,
	+ 14181, 14437, 14693, 24933, 25189, 25445, 25701, 25957, 26213, 12390, 12646,
	+ 12902, 13158, 13414, 13670, 13926, 14182, 14438, 14694, 24934, 25190, 25446,
	+ 25702, 25958, 26214
	+#endif
	+};
	+
	+
	+void
	+bson_oid_init_sequence (bson_oid_t oid, / OUT */
	+ bson_context_t context) / IN */
	+{
	+ uint32_t now = (uint32_t) (time (NULL));
	+
	+ if (!context) {
	+ context = bson_context_get_default ();
	+ }
	+
	+ now = BSON_UINT32_TO_BE (now);
	+ memcpy (&oid->bytes[0], &now, sizeof (now));
	+ _bson_context_set_oid_seq64 (context, oid);
	+}
	+
	+
	+void
	+bson_oid_init (bson_oid_t oid, / OUT */
	+ bson_context_t context) / IN */
	+{
	+ uint32_t now = (uint32_t) (time (NULL));
	+
	+ BSON_ASSERT (oid);
	+
	+ if (!context) {
	+ context = bson_context_get_default ();
	+ }
	+
	+ now = BSON_UINT32_TO_BE (now);
	+ memcpy (&oid->bytes[0], &now, sizeof (now));
	+ _bson_context_set_oid_rand (context, oid);
	+ _bson_context_set_oid_seq32 (context, oid);
	+}
	+
	+
	+void
	+bson_oid_init_from_data (bson_oid_t oid, / OUT */
	+ const uint8_t data) / IN */
	+{
	+ BSON_ASSERT (oid);
	+ BSON_ASSERT (data);
	+
	+ memcpy (oid, data, 12);
	+}
	+
	+
	+void
	+bson_oid_init_from_string (bson_oid_t oid, / OUT */
	+ const char str) / IN */
	+{
	+ BSON_ASSERT (oid);
	+ BSON_ASSERT (str);
	+
	+ bson_oid_init_from_string_unsafe (oid, str);
	+}
	+
	+
	+time_t
	+bson_oid_get_time_t (const bson_oid_t oid) / IN */
	+{
	+ BSON_ASSERT (oid);
	+
	+ return bson_oid_get_time_t_unsafe (oid);
	+}
	+
	+
	+void
	+bson_oid_to_string (const bson_oid_t oid, / IN */
	+ char str[BSON_ENSURE_ARRAY_PARAM_SIZE (25)]) /* OUT */
	+{
	+#if !defined(__i386__) && !defined(__x86_64__) && !defined(_M_IX86) && \
	+ !defined(_M_X64)
	+ BSON_ASSERT (oid);
	+ BSON_ASSERT (str);
	+
	+ bson_snprintf (str,
	+ 25,
	+ "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
	+ oid->bytes[0],
	+ oid->bytes[1],
	+ oid->bytes[2],
	+ oid->bytes[3],
	+ oid->bytes[4],
	+ oid->bytes[5],
	+ oid->bytes[6],
	+ oid->bytes[7],
	+ oid->bytes[8],
	+ oid->bytes[9],
	+ oid->bytes[10],
	+ oid->bytes[11]);
	+#else
	+ uint16_t *dst;
	+ uint8_t id = (uint8_t ) oid;
	+
	+ BSON_ASSERT (oid);
	+ BSON_ASSERT (str);
	+
	+ dst = (uint16_t ) (void ) str;
	+ dst[0] = gHexCharPairs[id[0]];
	+ dst[1] = gHexCharPairs[id[1]];
	+ dst[2] = gHexCharPairs[id[2]];
	+ dst[3] = gHexCharPairs[id[3]];
	+ dst[4] = gHexCharPairs[id[4]];
	+ dst[5] = gHexCharPairs[id[5]];
	+ dst[6] = gHexCharPairs[id[6]];
	+ dst[7] = gHexCharPairs[id[7]];
	+ dst[8] = gHexCharPairs[id[8]];
	+ dst[9] = gHexCharPairs[id[9]];
	+ dst[10] = gHexCharPairs[id[10]];
	+ dst[11] = gHexCharPairs[id[11]];
	+ str[24] = '\0';
	+#endif
	+}
	+
	+
	+uint32_t
	+bson_oid_hash (const bson_oid_t oid) / IN */
	+{
	+ BSON_ASSERT (oid);
	+
	+ return bson_oid_hash_unsafe (oid);
	+}
	+
	+
	+int
	+bson_oid_compare (const bson_oid_t oid1, / IN */
	+ const bson_oid_t oid2) / IN */
	+{
	+ BSON_ASSERT (oid1);
	+ BSON_ASSERT (oid2);
	+
	+ return bson_oid_compare_unsafe (oid1, oid2);
	+}
	+
	+
	+bool
	+bson_oid_equal (const bson_oid_t oid1, / IN */
	+ const bson_oid_t oid2) / IN */
	+{
	+ BSON_ASSERT (oid1);
	+ BSON_ASSERT (oid2);
	+
	+ return bson_oid_equal_unsafe (oid1, oid2);
	+}
	+
	+
	+void
	+bson_oid_copy (const bson_oid_t src, / IN */
	+ bson_oid_t dst) / OUT */
	+{
	+ BSON_ASSERT (src);
	+ BSON_ASSERT (dst);
	+
	+ bson_oid_copy_unsafe (src, dst);
	+}
	+
	+
	+bool
	+bson_oid_is_valid (const char str, / IN */
	+ size_t length) /* IN */
	+{
	+ size_t i;
	+
	+ BSON_ASSERT (str);
	+
	+ if ((length == 25) && (str[24] == '\0')) {
	+ length = 24;
	+ }
	+
	+ if (length == 24) {
	+ for (i = 0; i < length; i++) {
	+ switch (str[i]) {
	+ case '0':
	+ case '1':
	+ case '2':
	+ case '3':
	+ case '4':
	+ case '5':
	+ case '6':
	+ case '7':
	+ case '8':
	+ case '9':
	+ case 'a':
	+ case 'b':
	+ case 'c':
	+ case 'd':
	+ case 'e':
	+ case 'f':
	+ case 'A':
	+ case 'B':
	+ case 'C':
	+ case 'D':
	+ case 'E':
	+ case 'F':
	+ break;
	+ default:
	+ return false;
	+ }
	+ }
	+ return true;
	+ }
	+
	+ return false;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-oid.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-oid.h
	new file mode 100644
	index 00000000..8586df8e
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-oid.h
	@@ -0,0 +1,244 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-prelude.h"
	+
	+
	+#ifndef BSON_OID_H
	+#define BSON_OID_H
	+
	+
	+#include <time.h>
	+
	+#include "bson-context.h"
	+#include "bson-macros.h"
	+#include "bson-types.h"
	+#include "bson-endian.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+BSON_EXPORT (int)
	+bson_oid_compare (const bson_oid_t oid1, const bson_oid_t oid2);
	+BSON_EXPORT (void)
	+bson_oid_copy (const bson_oid_t src, bson_oid_t dst);
	+BSON_EXPORT (bool)
	+bson_oid_equal (const bson_oid_t oid1, const bson_oid_t oid2);
	+BSON_EXPORT (bool)
	+bson_oid_is_valid (const char *str, size_t length);
	+BSON_EXPORT (time_t)
	+bson_oid_get_time_t (const bson_oid_t *oid);
	+BSON_EXPORT (uint32_t)
	+bson_oid_hash (const bson_oid_t *oid);
	+BSON_EXPORT (void)
	+bson_oid_init (bson_oid_t oid, bson_context_t context);
	+BSON_EXPORT (void)
	+bson_oid_init_from_data (bson_oid_t oid, const uint8_t data);
	+BSON_EXPORT (void)
	+bson_oid_init_from_string (bson_oid_t oid, const char str);
	+BSON_EXPORT (void)
	+bson_oid_init_sequence (bson_oid_t *oid,
	+ bson_context_t *context) BSON_GNUC_DEPRECATED;
	+BSON_EXPORT (void)
	+bson_oid_to_string (const bson_oid_t *oid, char str[25]);
	+
	+
	+/**
	+ * bson_oid_compare_unsafe:
	+ * @oid1: A bson_oid_t.
	+ * @oid2: A bson_oid_t.
	+ *
	+ * Performs a qsort() style comparison between @oid1 and @oid2.
	+ *
	+ * This function is meant to be as fast as possible and therefore performs
	+ * no argument validation. That is the callers responsibility.
	+ *
	+ * Returns: An integer < 0 if @oid1 is less than @oid2. Zero if they are equal.
	+ * An integer > 0 if @oid1 is greater than @oid2.
	+ */
	+static BSON_INLINE int
	+bson_oid_compare_unsafe (const bson_oid_t oid1, const bson_oid_t oid2)
	+{
	+ return memcmp (oid1, oid2, sizeof *oid1);
	+}
	+
	+
	+/**
	+ * bson_oid_equal_unsafe:
	+ * @oid1: A bson_oid_t.
	+ * @oid2: A bson_oid_t.
	+ *
	+ * Checks the equality of @oid1 and @oid2.
	+ *
	+ * This function is meant to be as fast as possible and therefore performs
	+ * no checks for argument validity. That is the callers responsibility.
	+ *
	+ * Returns: true if @oid1 and @oid2 are equal; otherwise false.
	+ */
	+static BSON_INLINE bool
	+bson_oid_equal_unsafe (const bson_oid_t oid1, const bson_oid_t oid2)
	+{
	+ return !memcmp (oid1, oid2, sizeof *oid1);
	+}
	+
	+/**
	+ * bson_oid_hash_unsafe:
	+ * @oid: A bson_oid_t.
	+ *
	+ * This function performs a DJB style hash upon the bytes contained in @oid.
	+ * The result is a hash key suitable for use in a hashtable.
	+ *
	+ * This function is meant to be as fast as possible and therefore performs no
	+ * validation of arguments. The caller is responsible to ensure they are
	+ * passing valid arguments.
	+ *
	+ * Returns: A uint32_t containing a hash code.
	+ */
	+static BSON_INLINE uint32_t
	+bson_oid_hash_unsafe (const bson_oid_t *oid)
	+{
	+ uint32_t hash = 5381;
	+ uint32_t i;
	+
	+ for (i = 0; i < sizeof oid->bytes; i++) {
	+ hash = ((hash << 5) + hash) + oid->bytes[i];
	+ }
	+
	+ return hash;
	+}
	+
	+
	+/**
	+ * bson_oid_copy_unsafe:
	+ * @src: A bson_oid_t to copy from.
	+ * @dst: A bson_oid_t to copy into.
	+ *
	+ * Copies the contents of @src into @dst. This function is meant to be as
	+ * fast as possible and therefore performs no argument checking. It is the
	+ * callers responsibility to ensure they are passing valid data into the
	+ * function.
	+ */
	+static BSON_INLINE void
	+bson_oid_copy_unsafe (const bson_oid_t src, bson_oid_t dst)
	+{
	+ memcpy (dst, src, sizeof *src);
	+}
	+
	+
	+/**
	+ * bson_oid_parse_hex_char:
	+ * @hex: A character to parse to its integer value.
	+ *
	+ * This function contains a jump table to return the integer value for a
	+ * character containing a hexadecimal value (0-9, a-f, A-F). If the character
	+ * is not a hexadecimal character then zero is returned.
	+ *
	+ * Returns: An integer between 0 and 15.
	+ */
	+static BSON_INLINE uint8_t
	+bson_oid_parse_hex_char (char hex)
	+{
	+ switch (hex) {
	+ case '0':
	+ return 0;
	+ case '1':
	+ return 1;
	+ case '2':
	+ return 2;
	+ case '3':
	+ return 3;
	+ case '4':
	+ return 4;
	+ case '5':
	+ return 5;
	+ case '6':
	+ return 6;
	+ case '7':
	+ return 7;
	+ case '8':
	+ return 8;
	+ case '9':
	+ return 9;
	+ case 'a':
	+ case 'A':
	+ return 0xa;
	+ case 'b':
	+ case 'B':
	+ return 0xb;
	+ case 'c':
	+ case 'C':
	+ return 0xc;
	+ case 'd':
	+ case 'D':
	+ return 0xd;
	+ case 'e':
	+ case 'E':
	+ return 0xe;
	+ case 'f':
	+ case 'F':
	+ return 0xf;
	+ default:
	+ return 0;
	+ }
	+}
	+
	+
	+/**
	+ * bson_oid_init_from_string_unsafe:
	+ * @oid: A bson_oid_t to store the result.
	+ * @str: A 24-character hexadecimal encoded string.
	+ *
	+ * Parses a string containing 24 hexadecimal encoded bytes into a bson_oid_t.
	+ * This function is meant to be as fast as possible and inlined into your
	+ * code. For that purpose, the function does not perform any sort of bounds
	+ * checking and it is the callers responsibility to ensure they are passing
	+ * valid input to the function.
	+ */
	+static BSON_INLINE void
	+bson_oid_init_from_string_unsafe (bson_oid_t oid, const char str)
	+{
	+ int i;
	+
	+ for (i = 0; i < 12; i++) {
	+ oid->bytes[i] = (uint8_t) ((bson_oid_parse_hex_char (str[2 * i]) << 4) \|
	+ (bson_oid_parse_hex_char (str[2 * i + 1])));
	+ }
	+}
	+
	+
	+/**
	+ * bson_oid_get_time_t_unsafe:
	+ * @oid: A bson_oid_t.
	+ *
	+ * Fetches the time @oid was generated.
	+ *
	+ * Returns: A time_t containing the UNIX timestamp of generation.
	+ */
	+static BSON_INLINE time_t
	+bson_oid_get_time_t_unsafe (const bson_oid_t *oid)
	+{
	+ uint32_t t;
	+
	+ memcpy (&t, oid, sizeof (t));
	+ return BSON_UINT32_FROM_BE (t);
	+}
	+
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* BSON_OID_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-prelude.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-prelude.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-prelude.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-prelude.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-private.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-reader.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-reader.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-reader.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-reader.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-reader.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-reader.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-reader.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-reader.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-string.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-string.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-string.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-string.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-string.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-string.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-string.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-string.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-timegm-private.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-timegm-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-timegm-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-timegm-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-timegm.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-timegm.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-timegm.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-timegm.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-types.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-types.h
	new file mode 100644
	index 00000000..498d5432
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-types.h
	@@ -0,0 +1,566 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson-prelude.h"
	+
	+
	+#ifndef BSON_TYPES_H
	+#define BSON_TYPES_H
	+
	+
	+#include <stdlib.h>
	+#include <sys/types.h>
	+
	+#include "bson-macros.h"
	+#include "bson-config.h"
	+#include "bson-compat.h"
	+#include "bson-endian.h"
	+
	+BSON_BEGIN_DECLS
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * bson_unichar_t --
	+ *
	+ * bson_unichar_t provides an unsigned 32-bit type for containing
	+ * unicode characters. When iterating UTF-8 sequences, this should
	+ * be used to avoid losing the high-bits of non-ascii characters.
	+ *
	+ * See also:
	+ * bson_string_append_unichar()
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+typedef uint32_t bson_unichar_t;
	+
	+
	+/**
	+ * @brief Flags configuring the creation of a bson_context_t
	+ */
	+typedef enum {
	+ /** Use default options */
	+ BSON_CONTEXT_NONE = 0,
	+ /* Deprecated: Generating new OIDs from a bson_context_t is always
	+ thread-safe */
	+ BSON_CONTEXT_THREAD_SAFE = (1 << 0),
	+ /* Deprecated: Does nothing and is ignored */
	+ BSON_CONTEXT_DISABLE_HOST_CACHE = (1 << 1),
	+ /* Call getpid() instead of remembering the result of getpid() when using the
	+ context */
	+ BSON_CONTEXT_DISABLE_PID_CACHE = (1 << 2),
	+ /* Deprecated: Does nothing */
	+ BSON_CONTEXT_USE_TASK_ID = (1 << 3),
	+} bson_context_flags_t;
	+
	+
	+/**
	+ * bson_context_t:
	+ *
	+ * This structure manages context for the bson library. It handles
	+ * configuration for thread-safety and other performance related requirements.
	+ * Consumers will create a context and may use multiple under a variety of
	+ * situations.
	+ *
	+ * If your program calls fork(), you should initialize a new bson_context_t
	+ * using bson_context_init().
	+ *
	+ * If you are using threading, it is suggested that you use a bson_context_t
	+ * per thread for best performance. Alternatively, you can initialize the
	+ * bson_context_t with BSON_CONTEXT_THREAD_SAFE, although a performance penalty
	+ * will be incurred.
	+ *
	+ * Many functions will require that you provide a bson_context_t such as OID
	+ * generation.
	+ *
	+ * This structure is opaque in that you cannot see the contents of the
	+ * structure. However, it is stack allocatable in that enough padding is
	+ * provided in _bson_context_t to hold the structure.
	+ */
	+typedef struct _bson_context_t bson_context_t;
	+
	+/**
	+ * bson_json_opts_t:
	+ *
	+ * This structure is used to pass options for serializing BSON into extended
	+ * JSON to the respective serialization methods.
	+ *
	+ * max_len can be either a non-negative integer, or BSON_MAX_LEN_UNLIMITED to
	+ * set no limit for serialization length.
	+ */
	+typedef struct _bson_json_opts_t bson_json_opts_t;
	+
	+
	+/**
	+ * bson_t:
	+ *
	+ * This structure manages a buffer whose contents are a properly formatted
	+ * BSON document. You may perform various transforms on the BSON documents.
	+ * Additionally, it can be iterated over using bson_iter_t.
	+ *
	+ * See bson_iter_init() for iterating the contents of a bson_t.
	+ *
	+ * When building a bson_t structure using the various append functions,
	+ * memory allocations may occur. That is performed using power of two
	+ * allocations and realloc().
	+ *
	+ * See http://bsonspec.org for the BSON document spec.
	+ *
	+ * This structure is meant to fit in two sequential 64-byte cachelines.
	+ */
	+#ifdef BSON_MEMCHECK
	+BSON_ALIGNED_BEGIN (128) typedef struct _bson_t {
	+ uint32_t flags; /* Internal flags for the bson_t. */
	+ uint32_t len; /* Length of BSON data. */
	+ char canary; / For valgrind check */
	+ uint8_t padding[120 - sizeof (char *)];
	+} bson_t BSON_ALIGNED_END (128);
	+#else
	+BSON_ALIGNED_BEGIN (128) typedef struct _bson_t {
	+ uint32_t flags; /* Internal flags for the bson_t. */
	+ uint32_t len; /* Length of BSON data. */
	+ uint8_t padding[120]; /* Padding for stack allocation. */
	+} bson_t BSON_ALIGNED_END (128);
	+#endif
	+
	+/**
	+ * BSON_INITIALIZER:
	+ *
	+ * This macro can be used to initialize a #bson_t structure on the stack
	+ * without calling bson_init().
	+ *
	+ * \|[
	+ * bson_t b = BSON_INITIALIZER;
	+ * ]\|
	+ */
	+#ifdef BSON_MEMCHECK
	+#define BSON_INITIALIZER \
	+ { \
	+ 3, 5, bson_malloc (1), {5}, \
	+ }
	+#else
	+#define BSON_INITIALIZER \
	+ { \
	+ 3, 5, \
	+ { \
	+ 5 \
	+ } \
	+ }
	+#endif
	+
	+
	+BSON_STATIC_ASSERT2 (bson_t, sizeof (bson_t) == 128);
	+
	+
	+/**
	+ * bson_oid_t:
	+ *
	+ * This structure contains the binary form of a BSON Object Id as specified
	+ * on http://bsonspec.org. If you would like the bson_oid_t in string form
	+ * see bson_oid_to_string() or bson_oid_to_string_r().
	+ */
	+typedef struct {
	+ uint8_t bytes[12];
	+} bson_oid_t;
	+
	+BSON_STATIC_ASSERT2 (oid_t, sizeof (bson_oid_t) == 12);
	+
	+/**
	+ * bson_decimal128_t:
	+ *
	+ * @high The high-order bytes of the decimal128. This field contains sign,
	+ * combination bits, exponent, and part of the coefficient continuation.
	+ * @low The low-order bytes of the decimal128. This field contains the second
	+ * part of the coefficient continuation.
	+ *
	+ * This structure is a boxed type containing the value for the BSON decimal128
	+ * type. The structure stores the 128 bits such that they correspond to the
	+ * native format for the IEEE decimal128 type, if it is implemented.
	+ **/
	+typedef struct {
	+#if BSON_BYTE_ORDER == BSON_LITTLE_ENDIAN
	+ uint64_t low;
	+ uint64_t high;
	+#elif BSON_BYTE_ORDER == BSON_BIG_ENDIAN
	+ uint64_t high;
	+ uint64_t low;
	+#endif
	+} bson_decimal128_t;
	+
	+
	+/**
	+ * bson_validate_flags_t:
	+ *
	+ * This enumeration is used for validation of BSON documents. It allows
	+ * selective control on what you wish to validate.
	+ *
	+ * %BSON_VALIDATE_NONE: No additional validation occurs.
	+ * %BSON_VALIDATE_UTF8: Check that strings are valid UTF-8.
	+ * %BSON_VALIDATE_DOLLAR_KEYS: Check that keys do not start with $.
	+ * %BSON_VALIDATE_DOT_KEYS: Check that keys do not contain a period.
	+ * %BSON_VALIDATE_UTF8_ALLOW_NULL: Allow NUL bytes in UTF-8 text.
	+ * %BSON_VALIDATE_EMPTY_KEYS: Prohibit zero-length field names
	+ */
	+typedef enum {
	+ BSON_VALIDATE_NONE = 0,
	+ BSON_VALIDATE_UTF8 = (1 << 0),
	+ BSON_VALIDATE_DOLLAR_KEYS = (1 << 1),
	+ BSON_VALIDATE_DOT_KEYS = (1 << 2),
	+ BSON_VALIDATE_UTF8_ALLOW_NULL = (1 << 3),
	+ BSON_VALIDATE_EMPTY_KEYS = (1 << 4),
	+} bson_validate_flags_t;
	+
	+
	+/**
	+ * bson_type_t:
	+ *
	+ * This enumeration contains all of the possible types within a BSON document.
	+ * Use bson_iter_type() to fetch the type of a field while iterating over it.
	+ */
	+typedef enum {
	+ BSON_TYPE_EOD = 0x00,
	+ BSON_TYPE_DOUBLE = 0x01,
	+ BSON_TYPE_UTF8 = 0x02,
	+ BSON_TYPE_DOCUMENT = 0x03,
	+ BSON_TYPE_ARRAY = 0x04,
	+ BSON_TYPE_BINARY = 0x05,
	+ BSON_TYPE_UNDEFINED = 0x06,
	+ BSON_TYPE_OID = 0x07,
	+ BSON_TYPE_BOOL = 0x08,
	+ BSON_TYPE_DATE_TIME = 0x09,
	+ BSON_TYPE_NULL = 0x0A,
	+ BSON_TYPE_REGEX = 0x0B,
	+ BSON_TYPE_DBPOINTER = 0x0C,
	+ BSON_TYPE_CODE = 0x0D,
	+ BSON_TYPE_SYMBOL = 0x0E,
	+ BSON_TYPE_CODEWSCOPE = 0x0F,
	+ BSON_TYPE_INT32 = 0x10,
	+ BSON_TYPE_TIMESTAMP = 0x11,
	+ BSON_TYPE_INT64 = 0x12,
	+ BSON_TYPE_DECIMAL128 = 0x13,
	+ BSON_TYPE_MAXKEY = 0x7F,
	+ BSON_TYPE_MINKEY = 0xFF,
	+} bson_type_t;
	+
	+
	+/**
	+ * bson_subtype_t:
	+ *
	+ * This enumeration contains the various subtypes that may be used in a binary
	+ * field. See http://bsonspec.org for more information.
	+ */
	+typedef enum {
	+ BSON_SUBTYPE_BINARY = 0x00,
	+ BSON_SUBTYPE_FUNCTION = 0x01,
	+ BSON_SUBTYPE_BINARY_DEPRECATED = 0x02,
	+ BSON_SUBTYPE_UUID_DEPRECATED = 0x03,
	+ BSON_SUBTYPE_UUID = 0x04,
	+ BSON_SUBTYPE_MD5 = 0x05,
	+ BSON_SUBTYPE_ENCRYPTED = 0x06,
	+ BSON_SUBTYPE_COLUMN = 0x07,
	+ BSON_SUBTYPE_USER = 0x80,
	+} bson_subtype_t;
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * bson_value_t --
	+ *
	+ * A boxed type to contain various bson_type_t types.
	+ *
	+ * See also:
	+ * bson_value_copy()
	+ * bson_value_destroy()
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+BSON_ALIGNED_BEGIN (8)
	+typedef struct _bson_value_t {
	+ bson_type_t value_type;
	+ int32_t padding;
	+ union {
	+ bson_oid_t v_oid;
	+ int64_t v_int64;
	+ int32_t v_int32;
	+ int8_t v_int8;
	+ double v_double;
	+ bool v_bool;
	+ int64_t v_datetime;
	+ struct {
	+ uint32_t timestamp;
	+ uint32_t increment;
	+ } v_timestamp;
	+ struct {
	+ char *str;
	+ uint32_t len;
	+ } v_utf8;
	+ struct {
	+ uint8_t *data;
	+ uint32_t data_len;
	+ } v_doc;
	+ struct {
	+ uint8_t *data;
	+ uint32_t data_len;
	+ bson_subtype_t subtype;
	+ } v_binary;
	+ struct {
	+ char *regex;
	+ char *options;
	+ } v_regex;
	+ struct {
	+ char *collection;
	+ uint32_t collection_len;
	+ bson_oid_t oid;
	+ } v_dbpointer;
	+ struct {
	+ char *code;
	+ uint32_t code_len;
	+ } v_code;
	+ struct {
	+ char *code;
	+ uint8_t *scope_data;
	+ uint32_t code_len;
	+ uint32_t scope_len;
	+ } v_codewscope;
	+ struct {
	+ char *symbol;
	+ uint32_t len;
	+ } v_symbol;
	+ bson_decimal128_t v_decimal128;
	+ } value;
	+} bson_value_t BSON_ALIGNED_END (8);
	+
	+
	+/**
	+ * bson_iter_t:
	+ *
	+ * This structure manages iteration over a bson_t structure. It keeps track
	+ * of the location of the current key and value within the buffer. Using the
	+ * various functions to get the value of the iter will read from these
	+ * locations.
	+ *
	+ * This structure is safe to discard on the stack. No cleanup is necessary
	+ * after using it.
	+ */
	+BSON_ALIGNED_BEGIN (128)
	+typedef struct {
	+ const uint8_t raw; / The raw buffer being iterated. */
	+ uint32_t len; /* The length of raw. */
	+ uint32_t off; /* The offset within the buffer. */
	+ uint32_t type; /* The offset of the type byte. */
	+ uint32_t key; /* The offset of the key byte. */
	+ uint32_t d1; /* The offset of the first data byte. */
	+ uint32_t d2; /* The offset of the second data byte. */
	+ uint32_t d3; /* The offset of the third data byte. */
	+ uint32_t d4; /* The offset of the fourth data byte. */
	+ uint32_t next_off; /* The offset of the next field. */
	+ uint32_t err_off; /* The offset of the error. */
	+ bson_value_t value; /* Internal value for various state. */
	+} bson_iter_t BSON_ALIGNED_END (128);
	+
	+
	+/**
	+ * bson_reader_t:
	+ *
	+ * This structure is used to iterate over a sequence of BSON documents. It
	+ * allows for them to be iterated with the possibility of no additional
	+ * memory allocations under certain circumstances such as reading from an
	+ * incoming mongo packet.
	+ */
	+
	+BSON_ALIGNED_BEGIN (BSON_ALIGN_OF_PTR)
	+typedef struct {
	+ uint32_t type;
	+ /< private >/
	+} bson_reader_t BSON_ALIGNED_END (BSON_ALIGN_OF_PTR);
	+
	+
	+/**
	+ * bson_visitor_t:
	+ *
	+ * This structure contains a series of pointers that can be executed for
	+ * each field of a BSON document based on the field type.
	+ *
	+ * For example, if an int32 field is found, visit_int32 will be called.
	+ *
	+ * When visiting each field using bson_iter_visit_all(), you may provide a
	+ * data pointer that will be provided with each callback. This might be useful
	+ * if you are marshaling to another language.
	+ *
	+ * You may pre-maturely stop the visitation of fields by returning true in your
	+ * visitor. Returning false will continue visitation to further fields.
	+ */
	+BSON_ALIGNED_BEGIN (8)
	+typedef struct {
	+ /* run before / after descending into a document */
	+ bool (visit_before) (const bson_iter_t iter, const char key, void data);
	+ bool (visit_after) (const bson_iter_t iter, const char key, void data);
	+ /* corrupt BSON, or unsupported type and visit_unsupported_type not set */
	+ void (visit_corrupt) (const bson_iter_t iter, void *data);
	+ /* normal bson field callbacks */
	+ bool (visit_double) (const bson_iter_t iter,
	+ const char *key,
	+ double v_double,
	+ void *data);
	+ bool (visit_utf8) (const bson_iter_t iter,
	+ const char *key,
	+ size_t v_utf8_len,
	+ const char *v_utf8,
	+ void *data);
	+ bool (visit_document) (const bson_iter_t iter,
	+ const char *key,
	+ const bson_t *v_document,
	+ void *data);
	+ bool (visit_array) (const bson_iter_t iter,
	+ const char *key,
	+ const bson_t *v_array,
	+ void *data);
	+ bool (visit_binary) (const bson_iter_t iter,
	+ const char *key,
	+ bson_subtype_t v_subtype,
	+ size_t v_binary_len,
	+ const uint8_t *v_binary,
	+ void *data);
	+ /* normal field with deprecated "Undefined" BSON type */
	+ bool (visit_undefined) (const bson_iter_t iter,
	+ const char *key,
	+ void *data);
	+ bool (visit_oid) (const bson_iter_t iter,
	+ const char *key,
	+ const bson_oid_t *v_oid,
	+ void *data);
	+ bool (visit_bool) (const bson_iter_t iter,
	+ const char *key,
	+ bool v_bool,
	+ void *data);
	+ bool (visit_date_time) (const bson_iter_t iter,
	+ const char *key,
	+ int64_t msec_since_epoch,
	+ void *data);
	+ bool (visit_null) (const bson_iter_t iter, const char key, void data);
	+ bool (visit_regex) (const bson_iter_t iter,
	+ const char *key,
	+ const char *v_regex,
	+ const char *v_options,
	+ void *data);
	+ bool (visit_dbpointer) (const bson_iter_t iter,
	+ const char *key,
	+ size_t v_collection_len,
	+ const char *v_collection,
	+ const bson_oid_t *v_oid,
	+ void *data);
	+ bool (visit_code) (const bson_iter_t iter,
	+ const char *key,
	+ size_t v_code_len,
	+ const char *v_code,
	+ void *data);
	+ bool (visit_symbol) (const bson_iter_t iter,
	+ const char *key,
	+ size_t v_symbol_len,
	+ const char *v_symbol,
	+ void *data);
	+ bool (visit_codewscope) (const bson_iter_t iter,
	+ const char *key,
	+ size_t v_code_len,
	+ const char *v_code,
	+ const bson_t *v_scope,
	+ void *data);
	+ bool (visit_int32) (const bson_iter_t iter,
	+ const char *key,
	+ int32_t v_int32,
	+ void *data);
	+ bool (visit_timestamp) (const bson_iter_t iter,
	+ const char *key,
	+ uint32_t v_timestamp,
	+ uint32_t v_increment,
	+ void *data);
	+ bool (visit_int64) (const bson_iter_t iter,
	+ const char *key,
	+ int64_t v_int64,
	+ void *data);
	+ bool (visit_maxkey) (const bson_iter_t iter, const char key, void data);
	+ bool (visit_minkey) (const bson_iter_t iter, const char key, void data);
	+ /* if set, called instead of visit_corrupt when an apparently valid BSON
	+ * includes an unrecognized field type (reading future version of BSON) */
	+ void (visit_unsupported_type) (const bson_iter_t iter,
	+ const char *key,
	+ uint32_t type_code,
	+ void *data);
	+ bool (visit_decimal128) (const bson_iter_t iter,
	+ const char *key,
	+ const bson_decimal128_t *v_decimal128,
	+ void *data);
	+
	+ void *padding[7];
	+} bson_visitor_t BSON_ALIGNED_END (8);
	+
	+#define BSON_ERROR_BUFFER_SIZE 504
	+
	+BSON_ALIGNED_BEGIN (8)
	+typedef struct _bson_error_t {
	+ uint32_t domain;
	+ uint32_t code;
	+ char message[BSON_ERROR_BUFFER_SIZE];
	+} bson_error_t BSON_ALIGNED_END (8);
	+
	+
	+BSON_STATIC_ASSERT2 (error_t, sizeof (bson_error_t) == 512);
	+
	+
	+/**
	+ * bson_next_power_of_two:
	+ * @v: A 32-bit unsigned integer of required bytes.
	+ *
	+ * Determines the next larger power of two for the value of @v
	+ * in a constant number of operations.
	+ *
	+ * It is up to the caller to guarantee this will not overflow.
	+ *
	+ * Returns: The next power of 2 from @v.
	+ */
	+static BSON_INLINE size_t
	+bson_next_power_of_two (size_t v)
	+{
	+ v--;
	+ v \|= v >> 1;
	+ v \|= v >> 2;
	+ v \|= v >> 4;
	+ v \|= v >> 8;
	+ v \|= v >> 16;
	+#if BSON_WORD_SIZE == 64
	+ v \|= v >> 32;
	+#endif
	+ v++;
	+
	+ return v;
	+}
	+
	+
	+static BSON_INLINE bool
	+bson_is_power_of_two (uint32_t v)
	+{
	+ return ((v != 0) && ((v & (v - 1)) == 0));
	+}
	+
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* BSON_TYPES_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-utf8.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-utf8.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-utf8.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-utf8.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-utf8.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-utf8.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-utf8.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-utf8.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-value.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-value.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-value.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-value.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-value.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-value.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-value.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-value.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version-functions.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version.h
	new file mode 100644
	index 00000000..dec6ad95
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version.h
	@@ -0,0 +1,101 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#if !defined (BSON_INSIDE) && !defined (BSON_COMPILATION)
	+#error "Only <bson/bson.h> can be included directly."
	+#endif
	+
	+
	+#ifndef BSON_VERSION_H
	+#define BSON_VERSION_H
	+
	+
	+/**
	+ * BSON_MAJOR_VERSION:
	+ *
	+ * BSON major version component (e.g. 1 if %BSON_VERSION is 1.2.3)
	+ */
	+#define BSON_MAJOR_VERSION (1)
	+
	+
	+/**
	+ * BSON_MINOR_VERSION:
	+ *
	+ * BSON minor version component (e.g. 2 if %BSON_VERSION is 1.2.3)
	+ */
	+#define BSON_MINOR_VERSION (21)
	+
	+
	+/**
	+ * BSON_MICRO_VERSION:
	+ *
	+ * BSON micro version component (e.g. 3 if %BSON_VERSION is 1.2.3)
	+ */
	+#define BSON_MICRO_VERSION (1)
	+
	+
	+/**
	+ * BSON_PRERELEASE_VERSION:
	+ *
	+ * BSON prerelease version component (e.g. pre if %BSON_VERSION is 1.2.3-pre)
	+ */
	+#define BSON_PRERELEASE_VERSION ()
	+
	+/**
	+ * BSON_VERSION:
	+ *
	+ * BSON version.
	+ */
	+#define BSON_VERSION (1.21.1)
	+
	+
	+/**
	+ * BSON_VERSION_S:
	+ *
	+ * BSON version, encoded as a string, useful for printing and
	+ * concatenation.
	+ */
	+#define BSON_VERSION_S "1.21.1"
	+
	+
	+/**
	+ * BSON_VERSION_HEX:
	+ *
	+ * BSON version, encoded as an hexadecimal number, useful for
	+ * integer comparisons.
	+ */
	+#define BSON_VERSION_HEX (BSON_MAJOR_VERSION << 24 \| \
	+ BSON_MINOR_VERSION << 16 \| \
	+ BSON_MICRO_VERSION << 8)
	+
	+
	+/**
	+ * BSON_CHECK_VERSION:
	+ * @major: required major version
	+ * @minor: required minor version
	+ * @micro: required micro version
	+ *
	+ * Compile-time version checking. Evaluates to %TRUE if the version
	+ * of BSON is greater than the required one.
	+ */
	+#define BSON_CHECK_VERSION(major,minor,micro) \
	+ (BSON_MAJOR_VERSION > (major) \|\| \
	+ (BSON_MAJOR_VERSION == (major) && BSON_MINOR_VERSION > (minor)) \|\| \
	+ (BSON_MAJOR_VERSION == (major) && BSON_MINOR_VERSION == (minor) && \
	+ BSON_MICRO_VERSION >= (micro)))
	+
	+#endif /* BSON_VERSION_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version.h.in b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version.h.in
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-version.h.in
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-version.h.in
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-writer.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-writer.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-writer.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-writer.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-writer.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-writer.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson-writer.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson-writer.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/bson/bson.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/bson/bson.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.c b/mongodb-1.13.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.h b/mongodb-1.13.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.h
	rename to mongodb-1.13.0/src/libmongoc/src/libbson/src/jsonsl/jsonsl.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate.c
	new file mode 100644
	index 00000000..376ea2bc
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-aggregate.c
	@@ -0,0 +1,316 @@
	+/*
	+ * Copyright 2019 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc-aggregate-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-cursor-private.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-server-stream-private.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-util-private.h"
	+
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _has_write_key --
	+ *
	+ * Returns true if the aggregation pipeline's last stage is "$out"
	+ * or "$merge"; otherwise returns false.
	+ *
	+ * Side effects:
	+ * Advances @iter to the last element.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+_has_write_key (bson_iter_t *iter)
	+{
	+ bson_iter_t stage;
	+ bson_iter_t next;
	+
	+ memcpy (&next, iter, sizeof (bson_iter_t));
	+ if (!bson_iter_next (&next)) {
	+ /* default to false when iter is emtpy */
	+ return false;
	+ }
	+
	+ while (bson_iter_next (iter)) {
	+ if (!bson_iter_next (&next) && BSON_ITER_HOLDS_DOCUMENT (iter)) {
	+ bson_iter_recurse (iter, &stage);
	+ if (bson_iter_find (&stage, "$out")) {
	+ return true;
	+ }
	+
	+ bson_iter_recurse (iter, &stage);
	+ if (bson_iter_find (&stage, "$merge")) {
	+ return true;
	+ }
	+ }
	+ }
	+
	+ return false;
	+}
	+
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _make_agg_cmd --
	+ *
	+ * Constructs an aggregate command. If @ns does not include a collection
	+ * name, 1 will be used in its place for the value of "aggregate" in the
	+ * command document.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @command is always initialized.
	+ * @error is set if there is a failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_make_agg_cmd (const char *ns,
	+ const bson_t *pipeline,
	+ mongoc_aggregate_opts_t *opts,
	+ bson_t *command,
	+ bson_error_t *err)
	+{
	+ const char *dot;
	+ bson_iter_t iter;
	+ bson_t child;
	+ bool has_write_key;
	+ bson_iter_t has_write_key_iter;
	+
	+ bson_init (command);
	+
	+ dot = strstr (ns, ".");
	+
	+ if (dot) {
	+ /* Note: we're not validating that the collection name's length is one or
	+ * more characters, as functions such as mongoc_client_get_collection also
	+ * do not validate. */
	+ BSON_APPEND_UTF8 (command, "aggregate", dot + 1);
	+ } else {
	+ BSON_APPEND_INT32 (command, "aggregate", 1);
	+ }
	+
	+ /*
	+ * The following will allow @pipeline to be either an array of
	+ * items for the pipeline, or {"pipeline": [...]}.
	+ */
	+ if (bson_iter_init_find (&iter, pipeline, "pipeline") &&
	+ BSON_ITER_HOLDS_ARRAY (&iter)) {
	+ bson_iter_recurse (&iter, &has_write_key_iter);
	+ if (!bson_append_iter (command, "pipeline", 8, &iter)) {
	+ bson_set_error (err,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Failed to append \"pipeline\" to create command.");
	+ return false;
	+ }
	+ } else {
	+ BSON_APPEND_ARRAY (command, "pipeline", pipeline);
	+ bson_iter_init (&has_write_key_iter, pipeline);
	+ }
	+
	+ has_write_key = _has_write_key (&has_write_key_iter);
	+ bson_append_document_begin (command, "cursor", 6, &child);
	+ /* Ignore batchSize=0 for aggregates with $out or $merge */
	+ if (opts->batchSize_is_set && !(has_write_key && opts->batchSize == 0)) {
	+ BSON_APPEND_INT32 (&child, "batchSize", opts->batchSize);
	+ }
	+
	+ bson_append_document_end (command, &child);
	+ return true;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_aggregate --
	+ *
	+ * Constructs a mongoc_cursor_t for an "aggregate" command.
	+ *
	+ * This function will always return a new mongoc_cursor_t that should
	+ * be freed with mongoc_cursor_destroy().
	+ *
	+ * The cursor may fail once iterated upon, so check
	+ * mongoc_cursor_error() if mongoc_cursor_next() returns false.
	+ *
	+ * See http://docs.mongodb.org/manual/aggregation/ for more
	+ * information on how to build aggregation pipelines.
	+ *
	+ * Parameters:
	+ * @ns: Namespace (or database name for database-level aggregation).
	+ * @flags: Bitwise or of mongoc_query_flags_t or 0.
	+ * @pipeline: A bson_t containing the pipeline request. @pipeline
	+ * will be sent as an array type in the request.
	+ * @opts: A bson_t containing aggregation options, such as
	+ * bypassDocumentValidation (used with $out and $merge), maxTimeMS
	+ * (declaring maximum server execution time) and explain (return
	+ * information on the processing of the pipeline).
	+ * @user_rp: Optional read preferences for the command.
	+ * @default_rp: Default read preferences from the collection or database.
	+ * @default_rc: Default read concern from the collection or database.
	+ * @default_wc: Default write concern from the collection or database.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_cursor_t that should be freed with
	+ * mongoc_cursor_destroy().
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_cursor_t *
	+_mongoc_aggregate (mongoc_client_t *client,
	+ const char *ns,
	+ mongoc_query_flags_t flags,
	+ const bson_t *pipeline,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_rp,
	+ const mongoc_read_prefs_t *default_rp,
	+ const mongoc_read_concern_t *default_rc,
	+ const mongoc_write_concern_t *default_wc)
	+
	+{
	+ mongoc_server_stream_t *server_stream = NULL;
	+ bool has_write_key;
	+ bson_iter_t ar;
	+ mongoc_cursor_t *cursor;
	+ bson_iter_t iter;
	+ bson_t command;
	+ bson_t cursor_opts;
	+ bool created_command;
	+ bson_error_t create_cmd_err = {0};
	+ mongoc_aggregate_opts_t aggregate_opts;
	+ bson_error_t opts_err = {0};
	+ bool parsed_opts;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (ns);
	+ BSON_ASSERT (pipeline);
	+
	+ bson_init (&cursor_opts);
	+ _mongoc_cursor_flags_to_opts (flags, &cursor_opts, NULL);
	+ if (opts) {
	+ bson_concat (&cursor_opts /* destination /, opts / source */);
	+ }
	+
	+ parsed_opts =
	+ _mongoc_aggregate_opts_parse (client, opts, &aggregate_opts, &opts_err);
	+
	+ if (parsed_opts) {
	+ created_command = _make_agg_cmd (
	+ ns, pipeline, &aggregate_opts, &command, &create_cmd_err);
	+ } else {
	+ created_command = false;
	+ }
	+
	+ cursor = _mongoc_cursor_cmd_new (client,
	+ ns,
	+ created_command ? &command : NULL,
	+ &cursor_opts,
	+ user_rp,
	+ default_rp,
	+ default_rc);
	+
	+ if (created_command) {
	+ bson_destroy (&command);
	+ }
	+ bson_destroy (&cursor_opts);
	+
	+ if (!parsed_opts) {
	+ memcpy (&cursor->error, &opts_err, sizeof (bson_error_t));
	+ GOTO (done);
	+ }
	+
	+ if (!created_command) {
	+ /* copy error back to cursor. */
	+ memcpy (&cursor->error, &create_cmd_err, sizeof (bson_error_t));
	+ GOTO (done);
	+ }
	+
	+ if (mongoc_cursor_error (cursor, NULL)) {
	+ GOTO (done);
	+ }
	+
	+ if (!_mongoc_read_prefs_validate (cursor->read_prefs, &cursor->error)) {
	+ GOTO (done);
	+ }
	+
	+ /* pipeline could be like {pipeline: [{$out: 'test'}]} or [{$out: 'test'}] */
	+ if (bson_iter_init_find (&iter, pipeline, "pipeline") &&
	+ BSON_ITER_HOLDS_ARRAY (&iter) && bson_iter_recurse (&iter, &ar)) {
	+ has_write_key = _has_write_key (&ar);
	+ } else {
	+ if (!bson_iter_init (&iter, pipeline)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Pipeline is invalid BSON");
	+ GOTO (done);
	+ }
	+ has_write_key = _has_write_key (&iter);
	+ }
	+
	+ /* This has an important effect on server selection when
	+ * readPreferences=secondary. Keep track of this fact for later use. */
	+ cursor->is_aggr_with_write_stage = has_write_key;
	+
	+ /* server id isn't enough. ensure we're connected & know wire version */
	+ server_stream = _mongoc_cursor_fetch_stream (cursor);
	+ if (!server_stream) {
	+ GOTO (done);
	+ }
	+
	+ if (aggregate_opts.write_concern_owned && has_write_key &&
	+ server_stream->sd->max_wire_version < WIRE_VERSION_CMD_WRITE_CONCERN) {
	+ bson_set_error (
	+ &cursor->error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "\"aggregate\" with \"$out\" or \"$merge\" does not support "
	+ "writeConcern with wire version %d, wire version %d is "
	+ "required",
	+ server_stream->sd->max_wire_version,
	+ WIRE_VERSION_CMD_WRITE_CONCERN);
	+ GOTO (done);
	+ }
	+
	+ /* Only inherit WriteConcern when aggregate has $out or $merge */
	+ if (!aggregate_opts.write_concern_owned && has_write_key) {
	+ mongoc_write_concern_destroy (cursor->write_concern);
	+ cursor->write_concern = mongoc_write_concern_copy (default_wc);
	+ }
	+
	+done:
	+ _mongoc_aggregate_opts_cleanup (&aggregate_opts);
	+ mongoc_server_stream_cleanup (server_stream); /* null ok */
	+
	+ /* we always return the cursor, even if it fails; users can detect the
	+ * failure on performing a cursor operation. see CDRIVER-880. */
	+ RETURN (cursor);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-apm.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-array.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-cmd.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-async.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-buffer.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-bulk-operation.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.c
	new file mode 100644
	index 00000000..2daba263
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.c
	@@ -0,0 +1,669 @@
	+/*
	+ * Copyright 2017-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <bson/bson.h>
	+#include "mongoc-cluster-private.h"
	+#include "mongoc-change-stream-private.h"
	+#include "mongoc-collection-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-client-session-private.h"
	+#include "mongoc-cursor-private.h"
	+#include "mongoc-database-private.h"
	+#include "mongoc-error.h"
	+#include "mongoc-error-private.h"
	+
	+#define CHANGE_STREAM_ERR(_str) \
	+ bson_set_error (&stream->err, \
	+ MONGOC_ERROR_CURSOR, \
	+ MONGOC_ERROR_BSON, \
	+ "Could not set " _str);
	+
	+/* the caller knows either a client or server error has occurred.
	+ * `reply` contains the server reply or an empty document. */
	+static bool
	+_is_resumable_error (mongoc_change_stream_t stream, const bson_t reply)
	+{
	+ bson_error_t error = {0};
	+
	+ /* Change Streams Spec resumable criteria: "any error encountered which is
	+ * not a server error (e.g. a timeout error or network error)" */
	+ if (bson_empty (reply)) {
	+ return true;
	+ }
	+
	+ if (_mongoc_cmd_check_ok (reply, MONGOC_ERROR_API_VERSION_2, &error)) {
	+ return true;
	+ }
	+
	+ if (error.code == MONGOC_SERVER_ERR_CURSOR_NOT_FOUND) {
	+ return true;
	+ }
	+
	+ if (stream->max_wire_version >= WIRE_VERSION_4_4) {
	+ return mongoc_error_has_label (reply, "ResumableChangeStreamError");
	+ }
	+
	+ switch (error.code) {
	+ case MONGOC_SERVER_ERR_HOSTUNREACHABLE:
	+ case MONGOC_SERVER_ERR_HOSTNOTFOUND:
	+ case MONGOC_SERVER_ERR_NETWORKTIMEOUT:
	+ case MONGOC_SERVER_ERR_SHUTDOWNINPROGRESS:
	+ case MONGOC_SERVER_ERR_PRIMARYSTEPPEDDOWN:
	+ case MONGOC_SERVER_ERR_EXCEEDEDTIMELIMIT:
	+ case MONGOC_SERVER_ERR_SOCKETEXCEPTION:
	+ case MONGOC_SERVER_ERR_NOTPRIMARY:
	+ case MONGOC_SERVER_ERR_INTERRUPTEDATSHUTDOWN:
	+ case MONGOC_SERVER_ERR_INTERRUPTEDDUETOREPLSTATECHANGE:
	+ case MONGOC_SERVER_ERR_NOTPRIMARYNOSECONDARYOK:
	+ case MONGOC_SERVER_ERR_NOTPRIMARYORSECONDARY:
	+ case MONGOC_SERVER_ERR_STALESHARDVERSION:
	+ case MONGOC_SERVER_ERR_STALEEPOCH:
	+ case MONGOC_SERVER_ERR_STALECONFIG:
	+ case MONGOC_SERVER_ERR_RETRYCHANGESTREAM:
	+ case MONGOC_SERVER_ERR_FAILEDTOSATISFYREADPREFERENCE:
	+ return true;
	+ default:
	+ return false;
	+ }
	+}
	+
	+
	+static void
	+_set_resume_token (mongoc_change_stream_t stream, const bson_t resume_token)
	+{
	+ BSON_ASSERT (stream);
	+ BSON_ASSERT (resume_token);
	+
	+ bson_destroy (&stream->resume_token);
	+ bson_copy_to (resume_token, &stream->resume_token);
	+}
	+
	+
	+/* construct the aggregate command in cmd. looks like one of the following:
	+ * for a collection change stream:
	+ * { aggregate: collname, pipeline: [], cursor: { batchSize: x } }
	+ * for a database change stream:
	+ * { aggregate: 1, pipeline: [], cursor: { batchSize: x } }
	+ * for a client change stream:
	+ * { aggregate: 1, pipeline: [{$changeStream: {allChangesForCluster: true}}],
	+ * cursor: { batchSize: x } }
	+ */
	+static void
	+_make_command (mongoc_change_stream_t stream, bson_t command)
	+{
	+ bson_iter_t iter;
	+ bson_t change_stream_stage; /* { $changeStream: <change_stream_doc> } */
	+ bson_t change_stream_doc;
	+ bson_t pipeline;
	+ bson_t cursor_doc;
	+
	+ if (stream->change_stream_type == MONGOC_CHANGE_STREAM_COLLECTION) {
	+ bson_append_utf8 (
	+ command, "aggregate", 9, stream->coll, (int) strlen (stream->coll));
	+ } else {
	+ bson_append_int32 (command, "aggregate", 9, 1);
	+ }
	+
	+ bson_append_array_begin (command, "pipeline", 8, &pipeline);
	+
	+ /* append the $changeStream stage. */
	+ bson_append_document_begin (&pipeline, "0", 1, &change_stream_stage);
	+ bson_append_document_begin (
	+ &change_stream_stage, "$changeStream", 13, &change_stream_doc);
	+ bson_concat (&change_stream_doc, stream->full_document);
	+
	+ if (stream->resumed) {
	+ /* Change stream spec: Resume Process */
	+ /* If there is a cached resumeToken: */
	+ if (!bson_empty (&stream->resume_token)) {
	+ /* If the ChangeStream was started with startAfter
	+ and has yet to return a result document: */
	+ if (!bson_empty (&stream->opts.startAfter) &&
	+ !stream->has_returned_results) {
	+ /* The driver MUST set startAfter to the cached resumeToken */
	+ BSON_APPEND_DOCUMENT (
	+ &change_stream_doc, "startAfter", &stream->resume_token);
	+ } else {
	+ /* The driver MUST set resumeAfter to the cached resumeToken */
	+ BSON_APPEND_DOCUMENT (
	+ &change_stream_doc, "resumeAfter", &stream->resume_token);
	+ }
	+ } else if (!_mongoc_timestamp_empty (&stream->operation_time) &&
	+ stream->max_wire_version >= WIRE_VERSION_4_0) {
	+ /* Else if there is no cached resumeToken and the ChangeStream
	+ has a saved operation time and the max wire version is >= 7,
	+ the driver MUST set startAtOperationTime */
	+ _mongoc_timestamp_append (&stream->operation_time,
	+ &change_stream_doc,
	+ "startAtOperationTime");
	+ }
	+ } else {
	+ /* Change streams spec: "startAtOperationTime, resumeAfter, and startAfter
	+ * are all mutually exclusive; if any two are set, the server will return
	+ * an error. Drivers MUST NOT throw a custom error, and MUST defer to the
	+ * server error." */
	+ if (!bson_empty (&stream->opts.resumeAfter)) {
	+ BSON_APPEND_DOCUMENT (
	+ &change_stream_doc, "resumeAfter", &stream->opts.resumeAfter);
	+
	+ /* Update the cached resume token */
	+ _set_resume_token (stream, &stream->opts.resumeAfter);
	+ }
	+
	+ if (!bson_empty (&stream->opts.startAfter)) {
	+ BSON_APPEND_DOCUMENT (
	+ &change_stream_doc, "startAfter", &stream->opts.startAfter);
	+
	+ /* Update the cached resume token (take precedence over resumeAfter) */
	+ _set_resume_token (stream, &stream->opts.startAfter);
	+ }
	+
	+ if (!_mongoc_timestamp_empty (&stream->operation_time)) {
	+ _mongoc_timestamp_append (&stream->operation_time,
	+ &change_stream_doc,
	+ "startAtOperationTime");
	+ }
	+ }
	+
	+ if (stream->change_stream_type == MONGOC_CHANGE_STREAM_CLIENT) {
	+ bson_append_bool (&change_stream_doc, "allChangesForCluster", 20, true);
	+ }
	+ bson_append_document_end (&change_stream_stage, &change_stream_doc);
	+ bson_append_document_end (&pipeline, &change_stream_stage);
	+
	+ /* Append user pipeline if it exists */
	+ if (bson_iter_init_find (&iter, &stream->pipeline_to_append, "pipeline") &&
	+ BSON_ITER_HOLDS_ARRAY (&iter)) {
	+ bson_iter_t child_iter;
	+ uint32_t key_int = 1;
	+ char buf[16];
	+ const char *key_str;
	+
	+ BSON_ASSERT (bson_iter_recurse (&iter, &child_iter));
	+ while (bson_iter_next (&child_iter)) {
	+ /* the user pipeline may consist of invalid stages or non-documents.
	+ * append anyway, and rely on the server error. */
	+ size_t keyLen =
	+ bson_uint32_to_string (key_int, &key_str, buf, sizeof (buf));
	+ bson_append_value (
	+ &pipeline, key_str, (int) keyLen, bson_iter_value (&child_iter));
	+ ++key_int;
	+ }
	+ }
	+
	+ bson_append_array_end (command, &pipeline);
	+
	+ /* Add batch size if needed */
	+ bson_append_document_begin (command, "cursor", 6, &cursor_doc);
	+ if (stream->batch_size > 0) {
	+ bson_append_int32 (&cursor_doc, "batchSize", 9, stream->batch_size);
	+ }
	+ bson_append_document_end (command, &cursor_doc);
	+}
	+
	+/*---------------------------------------------------------------------------
	+ *
	+ * _make_cursor --
	+ *
	+ * Construct and send the aggregate command and create the resulting
	+ * cursor. On error, stream->cursor remains NULL, otherwise it is
	+ * created and must be destroyed.
	+ *
	+ * Return:
	+ * False on error and sets stream->err.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static bool
	+_make_cursor (mongoc_change_stream_t *stream)
	+{
	+ mongoc_client_session_t *cs = NULL;
	+ bson_t command_opts;
	+ bson_t command; /* { aggregate: "coll", pipeline: [], ... } */
	+ bson_t reply;
	+ bson_t getmore_opts = BSON_INITIALIZER;
	+ bson_iter_t iter;
	+ mongoc_server_stream_t *server_stream;
	+
	+ BSON_ASSERT (stream);
	+ BSON_ASSERT (!stream->cursor);
	+ bson_init (&command);
	+ bson_copy_to (&(stream->opts.extra), &command_opts);
	+
	+ if (bson_iter_init_find (&iter, &command_opts, "sessionId")) {
	+ if (!_mongoc_client_session_from_iter (
	+ stream->client, &iter, &cs, &stream->err)) {
	+ goto cleanup;
	+ }
	+ } else if (stream->implicit_session) {
	+ /* If an implicit session was created before, and this cursor is now
	+ * being recreated after resuming, then use the same session as before. */
	+ cs = stream->implicit_session;
	+ if (!mongoc_client_session_append (cs, &command_opts, &stream->err)) {
	+ goto cleanup;
	+ }
	+ } else {
	+ /* Create an implicit session. This session lsid must be the same for the
	+ * agg command and the subsequent getMores. Thus, this implicit session is
	+ * passed as if it were an explicit session to
	+ * mongoc_client_read_command_with_opts and
	+ * _mongoc_cursor_change_stream_new, but it is still implicit and its
	+ * lifetime is owned by this change_stream_t. */
	+ mongoc_session_opt_t *session_opts;
	+ session_opts = mongoc_session_opts_new ();
	+ mongoc_session_opts_set_causal_consistency (session_opts, false);
	+ /* returns NULL if sessions aren't supported. ignore errors. */
	+ cs = mongoc_client_start_session (stream->client, session_opts, NULL);
	+ stream->implicit_session = cs;
	+ mongoc_session_opts_destroy (session_opts);
	+ if (cs &&
	+ !mongoc_client_session_append (cs, &command_opts, &stream->err)) {
	+ goto cleanup;
	+ }
	+ }
	+
	+ if (cs && !mongoc_client_session_append (cs, &getmore_opts, &stream->err)) {
	+ goto cleanup;
	+ }
	+
	+ server_stream =
	+ mongoc_cluster_stream_for_reads (&stream->client->cluster,
	+ stream->read_prefs,
	+ cs,
	+ &reply,
	+ /* Not aggregate-with-write */ false,
	+ &stream->err);
	+ if (!server_stream) {
	+ bson_destroy (&stream->err_doc);
	+ bson_copy_to (&reply, &stream->err_doc);
	+ bson_destroy (&reply);
	+ goto cleanup;
	+ }
	+ bson_append_int32 (&command_opts, "serverId", 8, server_stream->sd->id);
	+ bson_append_int32 (&getmore_opts, "serverId", 8, server_stream->sd->id);
	+ stream->max_wire_version = server_stream->sd->max_wire_version;
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ if (stream->read_concern && !bson_has_field (&command_opts, "readConcern")) {
	+ mongoc_read_concern_append (stream->read_concern, &command_opts);
	+ }
	+
	+ _make_command (stream, &command);
	+
	+ /* even though serverId has already been set, still pass the read prefs.
	+ * they are necessary for OP_MSG if sending to a secondary. */
	+ if (!mongoc_client_read_command_with_opts (stream->client,
	+ stream->db,
	+ &command,
	+ stream->read_prefs,
	+ &command_opts,
	+ &reply,
	+ &stream->err)) {
	+ bson_destroy (&stream->err_doc);
	+ bson_copy_to (&reply, &stream->err_doc);
	+ bson_destroy (&reply);
	+ goto cleanup;
	+ }
	+
	+ bson_append_bool (
	+ &getmore_opts, MONGOC_CURSOR_TAILABLE, MONGOC_CURSOR_TAILABLE_LEN, true);
	+ bson_append_bool (&getmore_opts,
	+ MONGOC_CURSOR_AWAIT_DATA,
	+ MONGOC_CURSOR_AWAIT_DATA_LEN,
	+ true);
	+
	+ /* maxTimeMS is only appended to getMores if these are set in cursor opts. */
	+ if (stream->max_await_time_ms > 0) {
	+ bson_append_int64 (&getmore_opts,
	+ MONGOC_CURSOR_MAX_AWAIT_TIME_MS,
	+ MONGOC_CURSOR_MAX_AWAIT_TIME_MS_LEN,
	+ stream->max_await_time_ms);
	+ }
	+
	+ if (stream->batch_size > 0) {
	+ bson_append_int32 (&getmore_opts,
	+ MONGOC_CURSOR_BATCH_SIZE,
	+ MONGOC_CURSOR_BATCH_SIZE_LEN,
	+ stream->batch_size);
	+ }
	+
	+ /* steals reply. */
	+ stream->cursor =
	+ _mongoc_cursor_change_stream_new (stream->client, &reply, &getmore_opts);
	+
	+ if (mongoc_cursor_error (stream->cursor, NULL)) {
	+ goto cleanup;
	+ }
	+
	+ /* Change stream spec: "When aggregate or getMore returns: If an empty batch
	+ * was returned and a postBatchResumeToken was included, cache it." */
	+ if (_mongoc_cursor_change_stream_end_of_batch (stream->cursor) &&
	+ _mongoc_cursor_change_stream_has_post_batch_resume_token (
	+ stream->cursor)) {
	+ _set_resume_token (
	+ stream,
	+ _mongoc_cursor_change_stream_get_post_batch_resume_token (
	+ stream->cursor));
	+ }
	+
	+ /* Change stream spec: startAtOperationTime */
	+ if (bson_empty (&stream->opts.resumeAfter) &&
	+ bson_empty (&stream->opts.startAfter) &&
	+ _mongoc_timestamp_empty (&stream->operation_time) &&
	+ stream->max_wire_version >= WIRE_VERSION_4_0 &&
	+ bson_empty (&stream->resume_token) &&
	+ bson_iter_init_find (
	+ &iter,
	+ _mongoc_cursor_change_stream_get_reply (stream->cursor),
	+ "operationTime") &&
	+ BSON_ITER_HOLDS_TIMESTAMP (&iter)) {
	+ _mongoc_timestamp_set_from_bson (&stream->operation_time, &iter);
	+ }
	+
	+cleanup:
	+ bson_destroy (&command);
	+ bson_destroy (&command_opts);
	+ bson_destroy (&getmore_opts);
	+ return stream->err.code == 0;
	+}
	+
	+/*---------------------------------------------------------------------------
	+ *
	+ * _change_stream_init --
	+ *
	+ * Called after @stream has the collection name, database name, read
	+ * preferences, and read concern set. Creates the change streams
	+ * cursor.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_change_stream_init (mongoc_change_stream_t *stream,
	+ const bson_t *pipeline,
	+ const bson_t *opts)
	+{
	+ BSON_ASSERT (pipeline);
	+
	+ stream->max_await_time_ms = -1;
	+ stream->batch_size = -1;
	+ bson_init (&stream->pipeline_to_append);
	+ bson_init (&stream->resume_token);
	+ bson_init (&stream->err_doc);
	+
	+ if (!_mongoc_change_stream_opts_parse (
	+ stream->client, opts, &stream->opts, &stream->err)) {
	+ return;
	+ }
	+
	+ stream->full_document = BCON_NEW ("fullDocument", stream->opts.fullDocument);
	+
	+ _mongoc_timestamp_set (&stream->operation_time,
	+ &stream->opts.startAtOperationTime);
	+
	+ stream->batch_size = stream->opts.batchSize;
	+ stream->max_await_time_ms = stream->opts.maxAwaitTimeMS;
	+
	+ /* Accept two forms of user pipeline:
	+ * 1. A document like: { "pipeline": [...] }
	+ * 2. An array-like document: { "0": {}, "1": {}, ... }
	+ * If the passed pipeline is invalid, we pass it along and let the server
	+ * error instead.
	+ */
	+ if (!bson_empty (pipeline)) {
	+ bson_iter_t iter;
	+ if (bson_iter_init_find (&iter, pipeline, "pipeline") &&
	+ BSON_ITER_HOLDS_ARRAY (&iter)) {
	+ if (!BSON_APPEND_VALUE (&stream->pipeline_to_append,
	+ "pipeline",
	+ bson_iter_value (&iter))) {
	+ CHANGE_STREAM_ERR ("pipeline");
	+ }
	+ } else {
	+ if (!BSON_APPEND_ARRAY (
	+ &stream->pipeline_to_append, "pipeline", pipeline)) {
	+ CHANGE_STREAM_ERR ("pipeline");
	+ }
	+ }
	+ }
	+
	+ if (stream->err.code == 0) {
	+ (void) _make_cursor (stream);
	+ }
	+}
	+
	+mongoc_change_stream_t *
	+_mongoc_change_stream_new_from_collection (const mongoc_collection_t *coll,
	+ const bson_t *pipeline,
	+ const bson_t *opts)
	+{
	+ mongoc_change_stream_t *stream;
	+ BSON_ASSERT (coll);
	+
	+ stream =
	+ (mongoc_change_stream_t *) bson_malloc0 (sizeof (mongoc_change_stream_t));
	+ stream->db = bson_strdup (coll->db);
	+ stream->coll = bson_strdup (coll->collection);
	+ stream->read_prefs = mongoc_read_prefs_copy (coll->read_prefs);
	+ stream->read_concern = mongoc_read_concern_copy (coll->read_concern);
	+ stream->client = coll->client;
	+ stream->change_stream_type = MONGOC_CHANGE_STREAM_COLLECTION;
	+ _change_stream_init (stream, pipeline, opts);
	+ return stream;
	+}
	+
	+mongoc_change_stream_t *
	+_mongoc_change_stream_new_from_database (const mongoc_database_t *db,
	+ const bson_t *pipeline,
	+ const bson_t *opts)
	+{
	+ mongoc_change_stream_t *stream;
	+ BSON_ASSERT (db);
	+
	+ stream =
	+ (mongoc_change_stream_t *) bson_malloc0 (sizeof (mongoc_change_stream_t));
	+ stream->db = bson_strdup (db->name);
	+ stream->coll = NULL;
	+ stream->read_prefs = mongoc_read_prefs_copy (db->read_prefs);
	+ stream->read_concern = mongoc_read_concern_copy (db->read_concern);
	+ stream->client = db->client;
	+ stream->change_stream_type = MONGOC_CHANGE_STREAM_DATABASE;
	+ _change_stream_init (stream, pipeline, opts);
	+ return stream;
	+}
	+
	+mongoc_change_stream_t *
	+_mongoc_change_stream_new_from_client (mongoc_client_t *client,
	+ const bson_t *pipeline,
	+ const bson_t *opts)
	+{
	+ mongoc_change_stream_t *stream;
	+ BSON_ASSERT (client);
	+
	+ stream =
	+ (mongoc_change_stream_t *) bson_malloc0 (sizeof (mongoc_change_stream_t));
	+ stream->db = bson_strdup ("admin");
	+ stream->coll = NULL;
	+ stream->read_prefs = mongoc_read_prefs_copy (client->read_prefs);
	+ stream->read_concern = mongoc_read_concern_copy (client->read_concern);
	+ stream->client = client;
	+ stream->change_stream_type = MONGOC_CHANGE_STREAM_CLIENT;
	+ _change_stream_init (stream, pipeline, opts);
	+ return stream;
	+}
	+
	+
	+const bson_t *
	+mongoc_change_stream_get_resume_token (mongoc_change_stream_t *stream)
	+{
	+ if (!bson_empty (&stream->resume_token)) {
	+ return &stream->resume_token;
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+bool
	+mongoc_change_stream_next (mongoc_change_stream_t stream, const bson_t *bson)
	+{
	+ bson_iter_t iter;
	+ bson_t doc_resume_token;
	+ uint32_t len;
	+ const uint8_t *data;
	+ bool ret = false;
	+
	+ BSON_ASSERT (stream);
	+ BSON_ASSERT (bson);
	+
	+ if (stream->err.code != 0) {
	+ goto end;
	+ }
	+
	+ BSON_ASSERT (stream->cursor);
	+ if (!mongoc_cursor_next (stream->cursor, bson)) {
	+ const bson_t *err_doc;
	+ bson_error_t err;
	+ bool resumable = false;
	+
	+ if (!mongoc_cursor_error_document (stream->cursor, &err, &err_doc)) {
	+ /* no error occurred, just no documents left. */
	+ goto end;
	+ }
	+
	+ resumable = _is_resumable_error (stream, err_doc);
	+ while (resumable) {
	+ /* recreate the cursor. */
	+ mongoc_cursor_destroy (stream->cursor);
	+ stream->cursor = NULL;
	+ stream->resumed = true;
	+ if (!_make_cursor (stream)) {
	+ goto end;
	+ }
	+ if (mongoc_cursor_next (stream->cursor, bson)) {
	+ break;
	+ }
	+ if (!mongoc_cursor_error_document (stream->cursor, &err, &err_doc)) {
	+ goto end;
	+ }
	+ if (err_doc) {
	+ resumable = _is_resumable_error (stream, err_doc);
	+ } else {
	+ resumable = false;
	+ }
	+ }
	+
	+ if (!resumable) {
	+ stream->err = err;
	+ bson_destroy (&stream->err_doc);
	+ bson_copy_to (err_doc, &stream->err_doc);
	+ goto end;
	+ }
	+ }
	+
	+ /* we have received documents, either from the first call to next or after a
	+ * resume. */
	+ stream->has_returned_results = true;
	+
	+ if (!bson_iter_init_find (&iter, *bson, "_id") \|\|
	+ !BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ bson_set_error (&stream->err,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CHANGE_STREAM_NO_RESUME_TOKEN,
	+ "Cannot provide resume functionality when the resume "
	+ "token is missing");
	+ goto end;
	+ }
	+
	+ /* copy the resume token. */
	+ bson_iter_document (&iter, &len, &data);
	+ BSON_ASSERT (bson_init_static (&doc_resume_token, data, len));
	+ _set_resume_token (stream, &doc_resume_token);
	+
	+ /* clear out the operation time, since we no longer need it to resume. */
	+ _mongoc_timestamp_clear (&stream->operation_time);
	+ ret = true;
	+
	+end:
	+ /* Change stream spec: Updating the Cached Resume Token */
	+ if (stream->cursor && !mongoc_cursor_error (stream->cursor, NULL) &&
	+ _mongoc_cursor_change_stream_end_of_batch (stream->cursor) &&
	+ _mongoc_cursor_change_stream_has_post_batch_resume_token (
	+ stream->cursor)) {
	+ _set_resume_token (
	+ stream,
	+ _mongoc_cursor_change_stream_get_post_batch_resume_token (
	+ stream->cursor));
	+ }
	+
	+
	+ /* Driver Sessions Spec: "When an implicit session is associated with a
	+ * cursor for use with getMore operations, the session MUST be returned to
	+ * the pool immediately following a getMore operation that indicates that the
	+ * cursor has been exhausted." */
	+ if (stream->implicit_session) {
	+ /* if creating the change stream cursor errored, it may be null. */
	+ if (!stream->cursor \|\| stream->cursor->cursor_id == 0) {
	+ mongoc_client_session_destroy (stream->implicit_session);
	+ stream->implicit_session = NULL;
	+ }
	+ }
	+ return ret;
	+}
	+
	+bool
	+mongoc_change_stream_error_document (const mongoc_change_stream_t *stream,
	+ bson_error_t *err,
	+ const bson_t **bson)
	+{
	+ BSON_ASSERT (stream);
	+
	+ if (stream->err.code != 0) {
	+ if (err) {
	+ *err = stream->err;
	+ }
	+ if (bson) {
	+ *bson = &stream->err_doc;
	+ }
	+ return true;
	+ }
	+
	+ if (bson) {
	+ *bson = NULL;
	+ }
	+ return false;
	+}
	+
	+void
	+mongoc_change_stream_destroy (mongoc_change_stream_t *stream)
	+{
	+ if (!stream) {
	+ return;
	+ }
	+
	+ bson_destroy (&stream->pipeline_to_append);
	+ bson_destroy (&stream->resume_token);
	+ bson_destroy (stream->full_document);
	+ bson_destroy (&stream->err_doc);
	+ _mongoc_change_stream_opts_cleanup (&stream->opts);
	+ mongoc_cursor_destroy (stream->cursor);
	+ mongoc_client_session_destroy (stream->implicit_session);
	+ mongoc_read_prefs_destroy (stream->read_prefs);
	+ mongoc_read_concern_destroy (stream->read_concern);
	+
	+ bson_free (stream->db);
	+ bson_free (stream->coll);
	+ bson_free (stream);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-change-stream.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.c
	new file mode 100644
	index 00000000..987938a6
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.c
	@@ -0,0 +1,574 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc.h"
	+#include "mongoc-apm-private.h"
	+#include "mongoc-counters-private.h"
	+#include "mongoc-client-pool-private.h"
	+#include "mongoc-client-pool.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-client-side-encryption-private.h"
	+#include "mongoc-queue-private.h"
	+#include "mongoc-thread-private.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-topology-background-monitoring-private.h"
	+#include "mongoc-trace-private.h"
	+
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-ssl-private.h"
	+#endif
	+
	+struct _mongoc_client_pool_t {
	+ bson_mutex_t mutex;
	+ mongoc_cond_t cond;
	+ mongoc_queue_t queue;
	+ mongoc_topology_t *topology;
	+ mongoc_uri_t *uri;
	+ uint32_t min_pool_size;
	+ uint32_t max_pool_size;
	+ uint32_t size;
	+#ifdef MONGOC_ENABLE_SSL
	+ bool ssl_opts_set;
	+ mongoc_ssl_opt_t ssl_opts;
	+#endif
	+ bool apm_callbacks_set;
	+ mongoc_apm_callbacks_t apm_callbacks;
	+ void *apm_context;
	+ int32_t error_api_version;
	+ bool error_api_set;
	+ mongoc_server_api_t *api;
	+ bool client_initialized;
	+};
	+
	+
	+#ifdef MONGOC_ENABLE_SSL
	+void
	+mongoc_client_pool_set_ssl_opts (mongoc_client_pool_t *pool,
	+ const mongoc_ssl_opt_t *opts)
	+{
	+ bson_mutex_lock (&pool->mutex);
	+
	+ _mongoc_ssl_opts_cleanup (&pool->ssl_opts,
	+ false /* don't free internal opts. */);
	+
	+ pool->ssl_opts_set = false;
	+
	+ if (opts) {
	+ _mongoc_ssl_opts_copy_to (
	+ opts, &pool->ssl_opts, false /* don't overwrite internal opts. */);
	+ pool->ssl_opts_set = true;
	+ }
	+
	+ mongoc_topology_scanner_set_ssl_opts (pool->topology->scanner,
	+ &pool->ssl_opts);
	+
	+ bson_mutex_unlock (&pool->mutex);
	+}
	+
	+void
	+_mongoc_client_pool_set_internal_tls_opts (
	+ mongoc_client_pool_t pool, _mongoc_internal_tls_opts_t internal)
	+{
	+ bson_mutex_lock (&pool->mutex);
	+ if (!pool->ssl_opts_set) {
	+ bson_mutex_unlock (&pool->mutex);
	+ return;
	+ }
	+ pool->ssl_opts.internal = bson_malloc (sizeof (_mongoc_internal_tls_opts_t));
	+ memcpy (
	+ pool->ssl_opts.internal, internal, sizeof (_mongoc_internal_tls_opts_t));
	+ bson_mutex_unlock (&pool->mutex);
	+}
	+#endif
	+
	+
	+mongoc_client_pool_t *
	+mongoc_client_pool_new (const mongoc_uri_t *uri)
	+{
	+ mongoc_client_pool_t *pool;
	+ bson_error_t error = {0};
	+
	+ if (!(pool = mongoc_client_pool_new_with_error (uri, &error))) {
	+ MONGOC_ERROR ("%s", error.message);
	+ }
	+
	+ return pool;
	+}
	+
	+
	+mongoc_client_pool_t *
	+mongoc_client_pool_new_with_error (const mongoc_uri_t uri, bson_error_t error)
	+{
	+ mongoc_topology_t *topology;
	+ mongoc_client_pool_t *pool;
	+ const bson_t *b;
	+ bson_iter_t iter;
	+ const char *appname;
	+
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (uri);
	+
	+#ifndef MONGOC_ENABLE_SSL
	+ if (mongoc_uri_get_tls (uri)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Can't create SSL client pool, SSL not enabled in this "
	+ "build.");
	+ return NULL;
	+ }
	+#endif
	+
	+ topology = mongoc_topology_new (uri, false);
	+
	+ if (!topology->valid) {
	+ if (error) {
	+ memcpy (error, &topology->scanner->error, sizeof (bson_error_t));
	+ }
	+
	+ mongoc_topology_destroy (topology);
	+
	+ RETURN (NULL);
	+ }
	+
	+ pool = (mongoc_client_pool_t ) bson_malloc0 (sizeof pool);
	+ bson_mutex_init (&pool->mutex);
	+ mongoc_cond_init (&pool->cond);
	+ _mongoc_queue_init (&pool->queue);
	+ pool->uri = mongoc_uri_copy (uri);
	+ pool->min_pool_size = 0;
	+ pool->max_pool_size = 100;
	+ pool->size = 0;
	+ pool->topology = topology;
	+ pool->error_api_version = MONGOC_ERROR_API_VERSION_LEGACY;
	+
	+ b = mongoc_uri_get_options (pool->uri);
	+
	+ if (bson_iter_init_find_case (&iter, b, MONGOC_URI_MINPOOLSIZE)) {
	+ MONGOC_WARNING (
	+ MONGOC_URI_MINPOOLSIZE
	+ " is deprecated; its behavior does not match its name, and its actual"
	+ " behavior will likely hurt performance.");
	+
	+ if (BSON_ITER_HOLDS_INT32 (&iter)) {
	+ pool->min_pool_size = BSON_MAX (0, bson_iter_int32 (&iter));
	+ }
	+ }
	+
	+ if (bson_iter_init_find_case (&iter, b, MONGOC_URI_MAXPOOLSIZE)) {
	+ if (BSON_ITER_HOLDS_INT32 (&iter)) {
	+ pool->max_pool_size = BSON_MAX (1, bson_iter_int32 (&iter));
	+ }
	+ }
	+
	+ appname =
	+ mongoc_uri_get_option_as_utf8 (pool->uri, MONGOC_URI_APPNAME, NULL);
	+ if (appname) {
	+ /* the appname should have already been validated */
	+ BSON_ASSERT (mongoc_client_pool_set_appname (pool, appname));
	+ }
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (mongoc_uri_get_tls (pool->uri)) {
	+ mongoc_ssl_opt_t ssl_opt = {0};
	+ _mongoc_internal_tls_opts_t internal_tls_opts = {0};
	+
	+ _mongoc_ssl_opts_from_uri (&ssl_opt, &internal_tls_opts, pool->uri);
	+ /* sets use_ssl = true */
	+ mongoc_client_pool_set_ssl_opts (pool, &ssl_opt);
	+ _mongoc_client_pool_set_internal_tls_opts (pool, &internal_tls_opts);
	+ }
	+#endif
	+ mongoc_counter_client_pools_active_inc ();
	+
	+ RETURN (pool);
	+}
	+
	+
	+void
	+mongoc_client_pool_destroy (mongoc_client_pool_t *pool)
	+{
	+ mongoc_client_t *client;
	+
	+ ENTRY;
	+
	+ if (!pool) {
	+ EXIT;
	+ }
	+
	+ if (!mongoc_server_session_pool_is_empty (pool->topology->session_pool)) {
	+ client = mongoc_client_pool_pop (pool);
	+ _mongoc_client_end_sessions (client);
	+ mongoc_client_pool_push (pool, client);
	+ }
	+
	+ while (
	+ (client = (mongoc_client_t *) _mongoc_queue_pop_head (&pool->queue))) {
	+ mongoc_client_destroy (client);
	+ }
	+
	+ mongoc_topology_destroy (pool->topology);
	+
	+ mongoc_uri_destroy (pool->uri);
	+ bson_mutex_destroy (&pool->mutex);
	+ mongoc_cond_destroy (&pool->cond);
	+
	+ mongoc_server_api_destroy (pool->api);
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ _mongoc_ssl_opts_cleanup (&pool->ssl_opts, true);
	+#endif
	+
	+ bson_free (pool);
	+
	+ mongoc_counter_client_pools_active_dec ();
	+ mongoc_counter_client_pools_disposed_inc ();
	+
	+ EXIT;
	+}
	+
	+
	+/*
	+ * Start the background topology scanner.
	+ *
	+ * This function assumes the pool's mutex is locked
	+ */
	+static void
	+_start_scanner_if_needed (mongoc_client_pool_t *pool)
	+{
	+ if (!pool->topology->single_threaded) {
	+ _mongoc_topology_background_monitoring_start (pool->topology);
	+ }
	+}
	+
	+static void
	+_initialize_new_client (mongoc_client_pool_t pool, mongoc_client_t client)
	+{
	+ /* for tests */
	+ mongoc_client_set_stream_initiator (
	+ client,
	+ pool->topology->scanner->initiator,
	+ pool->topology->scanner->initiator_context);
	+
	+ pool->client_initialized = true;
	+ client->is_pooled = true;
	+ client->error_api_version = pool->error_api_version;
	+ _mongoc_client_set_apm_callbacks_private (
	+ client, &pool->apm_callbacks, pool->apm_context);
	+
	+ client->api = mongoc_server_api_copy (pool->api);
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (pool->ssl_opts_set) {
	+ mongoc_client_set_ssl_opts (client, &pool->ssl_opts);
	+ }
	+#endif
	+}
	+
	+mongoc_client_t *
	+mongoc_client_pool_pop (mongoc_client_pool_t *pool)
	+{
	+ mongoc_client_t *client;
	+ int32_t wait_queue_timeout_ms;
	+ int64_t expire_at_ms = -1;
	+ int64_t now_ms;
	+ int r;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (pool);
	+
	+ wait_queue_timeout_ms = mongoc_uri_get_option_as_int32 (
	+ pool->uri, MONGOC_URI_WAITQUEUETIMEOUTMS, -1);
	+ if (wait_queue_timeout_ms > 0) {
	+ expire_at_ms =
	+ (bson_get_monotonic_time () / 1000) + wait_queue_timeout_ms;
	+ }
	+ bson_mutex_lock (&pool->mutex);
	+
	+again:
	+ if (!(client = (mongoc_client_t *) _mongoc_queue_pop_head (&pool->queue))) {
	+ if (pool->size < pool->max_pool_size) {
	+ client = _mongoc_client_new_from_topology (pool->topology);
	+ BSON_ASSERT (client);
	+ _initialize_new_client (pool, client);
	+ pool->size++;
	+ } else {
	+ if (wait_queue_timeout_ms > 0) {
	+ now_ms = bson_get_monotonic_time () / 1000;
	+ if (now_ms < expire_at_ms) {
	+ r = mongoc_cond_timedwait (
	+ &pool->cond, &pool->mutex, expire_at_ms - now_ms);
	+ if (mongo_cond_ret_is_timedout (r)) {
	+ GOTO (done);
	+ }
	+ } else {
	+ GOTO (done);
	+ }
	+ } else {
	+ mongoc_cond_wait (&pool->cond, &pool->mutex);
	+ }
	+ GOTO (again);
	+ }
	+ }
	+
	+ _start_scanner_if_needed (pool);
	+done:
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ RETURN (client);
	+}
	+
	+
	+mongoc_client_t *
	+mongoc_client_pool_try_pop (mongoc_client_pool_t *pool)
	+{
	+ mongoc_client_t *client;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (pool);
	+
	+ bson_mutex_lock (&pool->mutex);
	+
	+ if (!(client = (mongoc_client_t *) _mongoc_queue_pop_head (&pool->queue))) {
	+ if (pool->size < pool->max_pool_size) {
	+ client = _mongoc_client_new_from_topology (pool->topology);
	+ BSON_ASSERT (client);
	+ _initialize_new_client (pool, client);
	+ pool->size++;
	+ }
	+ }
	+
	+ if (client) {
	+ _start_scanner_if_needed (pool);
	+ }
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ RETURN (client);
	+}
	+
	+
	+void
	+mongoc_client_pool_push (mongoc_client_pool_t pool, mongoc_client_t client)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (pool);
	+ BSON_ASSERT (client);
	+
	+ bson_mutex_lock (&pool->mutex);
	+ _mongoc_queue_push_head (&pool->queue, client);
	+
	+ if (pool->min_pool_size &&
	+ _mongoc_queue_get_length (&pool->queue) > pool->min_pool_size) {
	+ mongoc_client_t *old_client;
	+ old_client = (mongoc_client_t *) _mongoc_queue_pop_tail (&pool->queue);
	+ if (old_client) {
	+ mongoc_client_destroy (old_client);
	+ pool->size--;
	+ }
	+ }
	+
	+ mongoc_cond_signal (&pool->cond);
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ EXIT;
	+}
	+
	+/* for tests */
	+void
	+_mongoc_client_pool_set_stream_initiator (mongoc_client_pool_t *pool,
	+ mongoc_stream_initiator_t si,
	+ void *context)
	+{
	+ mongoc_topology_scanner_set_stream_initiator (
	+ pool->topology->scanner, si, context);
	+}
	+
	+/* for tests */
	+size_t
	+mongoc_client_pool_get_size (mongoc_client_pool_t *pool)
	+{
	+ size_t size = 0;
	+
	+ ENTRY;
	+
	+ bson_mutex_lock (&pool->mutex);
	+ size = pool->size;
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ RETURN (size);
	+}
	+
	+
	+size_t
	+mongoc_client_pool_num_pushed (mongoc_client_pool_t *pool)
	+{
	+ size_t num_pushed = 0;
	+
	+ ENTRY;
	+
	+ bson_mutex_lock (&pool->mutex);
	+ num_pushed = pool->queue.length;
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ RETURN (num_pushed);
	+}
	+
	+
	+mongoc_topology_t *
	+_mongoc_client_pool_get_topology (mongoc_client_pool_t *pool)
	+{
	+ return pool->topology;
	+}
	+
	+
	+void
	+mongoc_client_pool_max_size (mongoc_client_pool_t *pool, uint32_t max_pool_size)
	+{
	+ ENTRY;
	+
	+ bson_mutex_lock (&pool->mutex);
	+ pool->max_pool_size = max_pool_size;
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ EXIT;
	+}
	+
	+void
	+mongoc_client_pool_min_size (mongoc_client_pool_t *pool, uint32_t min_pool_size)
	+{
	+ ENTRY;
	+
	+ MONGOC_WARNING (
	+ "mongoc_client_pool_min_size is deprecated; its behavior does not match"
	+ " its name, and its actual behavior will likely hurt performance.");
	+
	+ bson_mutex_lock (&pool->mutex);
	+ pool->min_pool_size = min_pool_size;
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ EXIT;
	+}
	+
	+bool
	+mongoc_client_pool_set_apm_callbacks (mongoc_client_pool_t *pool,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context)
	+{
	+ mongoc_topology_t *const topology = BSON_ASSERT_PTR_INLINE (pool)->topology;
	+ mc_tpld_modification tdmod;
	+
	+ if (pool->apm_callbacks_set) {
	+ MONGOC_ERROR ("Can only set callbacks once");
	+ return false;
	+ }
	+
	+ tdmod = mc_tpld_modify_begin (topology);
	+
	+ if (callbacks) {
	+ memcpy (&tdmod.new_td->apm_callbacks,
	+ callbacks,
	+ sizeof (mongoc_apm_callbacks_t));
	+ memcpy (&pool->apm_callbacks, callbacks, sizeof (mongoc_apm_callbacks_t));
	+ }
	+
	+ mongoc_topology_set_apm_callbacks (
	+ topology, tdmod.new_td, callbacks, context);
	+ tdmod.new_td->apm_context = context;
	+ pool->apm_context = context;
	+ pool->apm_callbacks_set = true;
	+
	+ mc_tpld_modify_commit (tdmod);
	+
	+ return true;
	+}
	+
	+bool
	+mongoc_client_pool_set_error_api (mongoc_client_pool_t *pool, int32_t version)
	+{
	+ if (version != MONGOC_ERROR_API_VERSION_LEGACY &&
	+ version != MONGOC_ERROR_API_VERSION_2) {
	+ MONGOC_ERROR ("Unsupported Error API Version: %" PRId32, version);
	+ return false;
	+ }
	+
	+ if (pool->error_api_set) {
	+ MONGOC_ERROR ("Can only set Error API Version once");
	+ return false;
	+ }
	+
	+ pool->error_api_version = version;
	+ pool->error_api_set = true;
	+
	+ return true;
	+}
	+
	+bool
	+mongoc_client_pool_set_appname (mongoc_client_pool_t pool, const char appname)
	+{
	+ bool ret;
	+
	+ bson_mutex_lock (&pool->mutex);
	+ ret = _mongoc_topology_set_appname (pool->topology, appname);
	+ bson_mutex_unlock (&pool->mutex);
	+
	+ return ret;
	+}
	+
	+bool
	+mongoc_client_pool_enable_auto_encryption (mongoc_client_pool_t *pool,
	+ mongoc_auto_encryption_opts_t *opts,
	+ bson_error_t *error)
	+{
	+ return _mongoc_cse_client_pool_enable_auto_encryption (
	+ pool->topology, opts, error);
	+}
	+
	+bool
	+mongoc_client_pool_set_server_api (mongoc_client_pool_t *pool,
	+ const mongoc_server_api_t *api,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (pool);
	+ BSON_ASSERT_PARAM (api);
	+
	+ if (pool->api) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_POOL,
	+ MONGOC_ERROR_POOL_API_ALREADY_SET,
	+ "Cannot set server api more than once per pool");
	+ return false;
	+ }
	+
	+ if (pool->client_initialized) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_POOL,
	+ MONGOC_ERROR_POOL_API_TOO_LATE,
	+ "Cannot set server api after a client has been created");
	+ return false;
	+ }
	+
	+ pool->api = mongoc_server_api_copy (api);
	+
	+ _mongoc_topology_scanner_set_server_api (pool->topology->scanner, api);
	+
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.h
	new file mode 100644
	index 00000000..c4df560f
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-pool.h
	@@ -0,0 +1,87 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_CLIENT_POOL_H
	+#define MONGOC_CLIENT_POOL_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-macros.h"
	+#include "mongoc-apm.h"
	+#include "mongoc-client.h"
	+#include "mongoc-config.h"
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-ssl.h"
	+#endif
	+#include "mongoc-uri.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+typedef struct _mongoc_client_pool_t mongoc_client_pool_t;
	+
	+
	+MONGOC_EXPORT (mongoc_client_pool_t *)
	+mongoc_client_pool_new (const mongoc_uri_t *uri) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_client_pool_t *)
	+mongoc_client_pool_new_with_error (const mongoc_uri_t uri, bson_error_t error)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_client_pool_destroy (mongoc_client_pool_t *pool);
	+MONGOC_EXPORT (mongoc_client_t *)
	+mongoc_client_pool_pop (mongoc_client_pool_t *pool)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_client_pool_push (mongoc_client_pool_t pool, mongoc_client_t client);
	+MONGOC_EXPORT (mongoc_client_t *)
	+mongoc_client_pool_try_pop (mongoc_client_pool_t *pool)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_client_pool_max_size (mongoc_client_pool_t *pool,
	+ uint32_t max_pool_size);
	+MONGOC_EXPORT (void)
	+mongoc_client_pool_min_size (mongoc_client_pool_t *pool,
	+ uint32_t min_pool_size) BSON_GNUC_DEPRECATED;
	+#ifdef MONGOC_ENABLE_SSL
	+MONGOC_EXPORT (void)
	+mongoc_client_pool_set_ssl_opts (mongoc_client_pool_t *pool,
	+ const mongoc_ssl_opt_t *opts);
	+#endif
	+MONGOC_EXPORT (bool)
	+mongoc_client_pool_set_apm_callbacks (mongoc_client_pool_t *pool,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context);
	+MONGOC_EXPORT (bool)
	+mongoc_client_pool_set_error_api (mongoc_client_pool_t *pool, int32_t version);
	+MONGOC_EXPORT (bool)
	+mongoc_client_pool_set_appname (mongoc_client_pool_t *pool,
	+ const char *appname);
	+MONGOC_EXPORT (bool)
	+mongoc_client_pool_enable_auto_encryption (mongoc_client_pool_t *pool,
	+ mongoc_auto_encryption_opts_t *opts,
	+ bson_error_t *error);
	+MONGOC_EXPORT (bool)
	+mongoc_client_pool_set_server_api (mongoc_client_pool_t *pool,
	+ const mongoc_server_api_t *api,
	+ bson_error_t *error);
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_CLIENT_POOL_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-private.h
	new file mode 100644
	index 00000000..379cb62d
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-private.h
	@@ -0,0 +1,249 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_CLIENT_PRIVATE_H
	+#define MONGOC_CLIENT_PRIVATE_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-apm-private.h"
	+#include "mongoc-buffer-private.h"
	+#include "mongoc-client.h"
	+#include "mongoc-cluster-private.h"
	+#include "mongoc-config.h"
	+#include "mongoc-host-list.h"
	+#include "mongoc-read-prefs.h"
	+#include "mongoc-rpc-private.h"
	+#include "mongoc-opcode.h"
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-ssl.h"
	+#endif
	+
	+#include "mongoc-stream.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-write-concern.h"
	+#include "mongoc-crypt-private.h"
	+
	+BSON_BEGIN_DECLS
	+
	+/* Range of wire protocol versions this driver supports. Bumping
	+ * WIRE_VERSION_MAX must be accompanied by an update to
	+ * `_mongoc_wire_version_to_server_version`. */
	+#define WIRE_VERSION_MIN 6 /* a.k.a. minWireVersion */
	+#define WIRE_VERSION_MAX 15 /* a.k.a. maxWireVersion */
	+
	+/* first version that supported "find" and "getMore" commands */
	+#define WIRE_VERSION_FIND_CMD 4
	+/* first version with "killCursors" command */
	+#define WIRE_VERSION_KILLCURSORS_CMD 4
	+/* first version when findAndModify accepts writeConcern */
	+#define WIRE_VERSION_FAM_WRITE_CONCERN 4
	+/* first version to support readConcern */
	+#define WIRE_VERSION_READ_CONCERN 4
	+/* first version to support maxStalenessSeconds */
	+#define WIRE_VERSION_MAX_STALENESS 5
	+/* first version to support writeConcern */
	+#define WIRE_VERSION_CMD_WRITE_CONCERN 5
	+/* first version to support collation */
	+#define WIRE_VERSION_COLLATION 5
	+/* first version to support server-side errors for unsupported hint options */
	+#define WIRE_VERSION_HINT_SERVER_SIDE_ERROR 5
	+/* first version to support OP_MSG */
	+#define WIRE_VERSION_OP_MSG 6
	+/* first version to support array filters for "update" command */
	+#define WIRE_VERSION_ARRAY_FILTERS 6
	+/* first version to support retryable reads */
	+#define WIRE_VERSION_RETRY_READS 6
	+/* first version to support retryable writes */
	+#define WIRE_VERSION_RETRY_WRITES 6
	+/* version corresponding to server 4.0 release */
	+#define WIRE_VERSION_4_0 7
	+/* first version to support hint for "update" command */
	+#define WIRE_VERSION_UPDATE_HINT 8
	+/* version corresponding to server 4.2 release */
	+#define WIRE_VERSION_4_2 8
	+/* version corresponding to client side field level encryption support. */
	+#define WIRE_VERSION_CSE 8
	+/* first version to throw server-side errors for unsupported hint in
	+ * "findAndModify" command */
	+#define WIRE_VERSION_FIND_AND_MODIFY_HINT_SERVER_SIDE_ERROR 8
	+/* first version to support hint for "delete" command */
	+#define WIRE_VERSION_DELETE_HINT 9
	+/* first version to support hint for "findAndModify" command */
	+#define WIRE_VERSION_FIND_AND_MODIFY_HINT 9
	+/* version corresponding to server 4.4 release */
	+#define WIRE_VERSION_4_4 9
	+/* version corresponding to retryable writes error label */
	+#define WIRE_VERSION_RETRYABLE_WRITE_ERROR_LABEL 9
	+/* first version to support server hedged reads */
	+#define WIRE_VERSION_HEDGED_READS 9
	+/* first version to support estimatedDocumentCount with collStats */
	+#define WIRE_VERSION_4_9 12
	+/* version corresponding to server 5.0 release */
	+#define WIRE_VERSION_5_0 13
	+/* first version to support snapshot reads */
	+#define WIRE_VERSION_SNAPSHOT_READS 13
	+/* version corresponding to server 5.1 release */
	+#define WIRE_VERSION_5_1 14
	+
	+struct _mongoc_collection_t;
	+
	+struct _mongoc_client_t {
	+ mongoc_uri_t *uri;
	+ mongoc_cluster_t cluster;
	+ bool in_exhaust;
	+ bool is_pooled;
	+
	+ mongoc_stream_initiator_t initiator;
	+ void *initiator_data;
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ bool use_ssl;
	+ mongoc_ssl_opt_t ssl_opts;
	+#endif
	+
	+ mongoc_topology_t *topology;
	+
	+ mongoc_read_prefs_t *read_prefs;
	+ mongoc_read_concern_t *read_concern;
	+ mongoc_write_concern_t *write_concern;
	+
	+ mongoc_apm_callbacks_t apm_callbacks;
	+ void *apm_context;
	+
	+ int32_t error_api_version;
	+ bool error_api_set;
	+
	+ mongoc_server_api_t *api;
	+
	+ /* mongoc_client_session_t's in use, to look up lsids and clusterTimes */
	+ mongoc_set_t *client_sessions;
	+ unsigned int csid_rand_seed;
	+
	+ uint32_t generation;
	+};
	+
	+/* Defines whether _mongoc_client_command_with_opts() is acting as a read
	+ * command helper for a command like "distinct", or a write command helper for
	+ * a command like "createRole", or both, like "aggregate" with "$out".
	+ */
	+typedef enum {
	+ MONGOC_CMD_RAW = 0,
	+ MONGOC_CMD_READ = 1,
	+ MONGOC_CMD_WRITE = 2,
	+ MONGOC_CMD_RW = 3,
	+} mongoc_command_mode_t;
	+
	+BSON_STATIC_ASSERT2 (mongoc_cmd_rw,
	+ MONGOC_CMD_RW == (MONGOC_CMD_READ \| MONGOC_CMD_WRITE));
	+
	+
	+/* TODO (CDRIVER-4052): Move MONGOC_RR_DEFAULT_BUFFER_SIZE and
	+ * _mongoc_client_get_rr to mongoc-topology-private.h or in a separate file.
	+ * There is no reason these should be in mongoc-client. */
	+#define MONGOC_RR_DEFAULT_BUFFER_SIZE 1024
	+bool
	+_mongoc_client_get_rr (const char *hostname,
	+ mongoc_rr_type_t rr_type,
	+ mongoc_rr_data_t *rr_data,
	+ size_t initial_buffer_size,
	+ bson_error_t *error);
	+
	+mongoc_client_t *
	+_mongoc_client_new_from_topology (mongoc_topology_t *topology);
	+
	+bool
	+_mongoc_client_set_apm_callbacks_private (mongoc_client_t *client,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context);
	+
	+mongoc_stream_t *
	+mongoc_client_default_stream_initiator (const mongoc_uri_t *uri,
	+ const mongoc_host_list_t *host,
	+ void *user_data,
	+ bson_error_t *error);
	+
	+mongoc_stream_t *
	+_mongoc_client_create_stream (mongoc_client_t *client,
	+ const mongoc_host_list_t *host,
	+ bson_error_t *error);
	+
	+bool
	+_mongoc_client_recv (mongoc_client_t *client,
	+ mongoc_rpc_t *rpc,
	+ mongoc_buffer_t *buffer,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error);
	+
	+void
	+_mongoc_client_kill_cursor (mongoc_client_t *client,
	+ uint32_t server_id,
	+ int64_t cursor_id,
	+ int64_t operation_id,
	+ const char *db,
	+ const char *collection,
	+ mongoc_client_session_t *cs);
	+bool
	+_mongoc_client_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ mongoc_command_mode_t mode,
	+ const bson_t *opts,
	+ mongoc_query_flags_t flags,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ mongoc_read_concern_t *default_rc,
	+ mongoc_write_concern_t *default_wc,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+mongoc_server_session_t *
	+_mongoc_client_pop_server_session (mongoc_client_t *client,
	+ bson_error_t *error);
	+
	+bool
	+_mongoc_client_lookup_session (const mongoc_client_t *client,
	+ uint32_t client_session_id,
	+ mongoc_client_session_t **cs,
	+ bson_error_t *error);
	+
	+void
	+_mongoc_client_unregister_session (mongoc_client_t *client,
	+ mongoc_client_session_t *session);
	+
	+void
	+_mongoc_client_push_server_session (mongoc_client_t *client,
	+ mongoc_server_session_t *server_session);
	+void
	+_mongoc_client_end_sessions (mongoc_client_t *client);
	+
	+mongoc_stream_t *
	+mongoc_client_connect_tcp (int32_t connecttimeoutms,
	+ const mongoc_host_list_t *host,
	+ bson_error_t *error);
	+
	+mongoc_stream_t *
	+mongoc_client_connect (bool buffered,
	+ bool use_ssl,
	+ void *ssl_opts_void,
	+ const mongoc_uri_t *uri,
	+ const mongoc_host_list_t *host,
	+ bson_error_t *error);
	+BSON_END_DECLS
	+
	+#endif /* MONGOC_CLIENT_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-session.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client-side-encryption.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.c
	new file mode 100644
	index 00000000..46a3c504
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.c
	@@ -0,0 +1,3168 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include <bson/bson.h>
	+#include "mongoc-config.h"
	+#ifdef MONGOC_HAVE_DNSAPI
	+/* for DnsQuery_UTF8 */
	+#include <Windows.h>
	+#include <WinDNS.h>
	+#include <ws2tcpip.h>
	+#else
	+#if defined(MONGOC_HAVE_RES_NSEARCH) \|\| defined(MONGOC_HAVE_RES_SEARCH)
	+#include <netdb.h>
	+#include <netinet/tcp.h>
	+#include <arpa/nameser.h>
	+#include <resolv.h>
	+#define BSON_INSIDE
	+#include <bson/bson-string.h>
	+#undef BSON_INSIDE
	+
	+#endif
	+#endif
	+
	+#include "mongoc-client-private.h"
	+#include "mongoc-client-side-encryption-private.h"
	+#include "mongoc-collection-private.h"
	+#include "mongoc-counters-private.h"
	+#include "mongoc-database-private.h"
	+#include "mongoc-gridfs-private.h"
	+#include "mongoc-error.h"
	+#include "mongoc-error-private.h"
	+#include "mongoc-log.h"
	+#include "mongoc-queue-private.h"
	+#include "mongoc-socket.h"
	+#include "mongoc-stream-buffered.h"
	+#include "mongoc-stream-socket.h"
	+#include "mongoc-thread-private.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-uri-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-set-private.h"
	+#include "mongoc-log.h"
	+#include "mongoc-write-concern-private.h"
	+#include "mongoc-read-concern-private.h"
	+#include "mongoc-host-list-private.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-change-stream-private.h"
	+#include "mongoc-client-session-private.h"
	+#include "mongoc-cursor-private.h"
	+
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-stream-tls.h"
	+#include "mongoc-ssl-private.h"
	+#include "mongoc-cmd-private.h"
	+#include "mongoc-opts-private.h"
	+#endif
	+
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "client"
	+
	+
	+static void
	+_mongoc_client_op_killcursors (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ int64_t cursor_id,
	+ int64_t operation_id,
	+ const char *db,
	+ const char *collection);
	+
	+static void
	+_mongoc_client_killcursors_command (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ int64_t cursor_id,
	+ const char *db,
	+ const char *collection,
	+ mongoc_client_session_t *cs);
	+
	+#define DNS_ERROR(_msg, ...) \
	+ do { \
	+ bson_set_error (error, \
	+ MONGOC_ERROR_STREAM, \
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION, \
	+ _msg, \
	+ __VA_ARGS__); \
	+ GOTO (done); \
	+ } while (0)
	+
	+
	+#ifdef MONGOC_HAVE_DNSAPI
	+
	+typedef bool (mongoc_rr_callback_t) (const char hostname,
	+ PDNS_RECORD pdns,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error);
	+
	+static bool
	+srv_callback (const char *hostname,
	+ PDNS_RECORD pdns,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error)
	+{
	+ mongoc_host_list_t new_host;
	+
	+ if (rr_data && rr_data->hosts) {
	+ _mongoc_host_list_remove_host (
	+ &(rr_data->hosts), pdns->Data.SRV.pNameTarget, pdns->Data.SRV.wPort);
	+ }
	+
	+ if (!_mongoc_host_list_from_hostport_with_err (
	+ &new_host, pdns->Data.SRV.pNameTarget, pdns->Data.SRV.wPort, error)) {
	+ return false;
	+ }
	+ _mongoc_host_list_upsert (&rr_data->hosts, &new_host);
	+
	+ return true;
	+}
	+
	+/* rr_data is unused, but here to match srv_callback signature */
	+static bool
	+txt_callback (const char *hostname,
	+ PDNS_RECORD pdns,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error)
	+{
	+ DWORD i;
	+ bson_string_t *txt;
	+
	+ txt = bson_string_new (NULL);
	+
	+ for (i = 0; i < pdns->Data.TXT.dwStringCount; i++) {
	+ bson_string_append (txt, pdns->Data.TXT.pStringArray[i]);
	+ }
	+
	+ rr_data->txt_record_opts = bson_strdup (txt->str);
	+ bson_string_free (txt, true);
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_get_rr_dnsapi --
	+ *
	+ * Fetch SRV or TXT resource records using the Windows DNS API and
	+ * put results in @rr_data.
	+ *
	+ * Returns:
	+ * Success or failure.
	+ *
	+ * For an SRV lookup, returns false if there is any error.
	+ *
	+ * For TXT lookup, ignores any error fetching the resource record and
	+ * always returns true.
	+ *
	+ * Side effects:
	+ * @error is set if there is a failure.
	+ * @rr_data->hosts may be set if querying SRV. Caller must destroy.
	+ * @rr_data->txt_record_opts may be set if querying TXT. Caller must
	+ * free.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_get_rr_dnsapi (const char *hostname,
	+ mongoc_rr_type_t rr_type,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error)
	+{
	+ const char *rr_type_name;
	+ WORD nst;
	+ mongoc_rr_callback_t callback;
	+ PDNS_RECORD pdns = NULL;
	+ DNS_STATUS res;
	+ LPVOID lpMsgBuf = NULL;
	+ bool dns_success;
	+ bool callback_success = true;
	+ int i;
	+
	+ ENTRY;
	+
	+ if (rr_type == MONGOC_RR_SRV) {
	+ /* return true only if DNS succeeds */
	+ dns_success = false;
	+ rr_type_name = "SRV";
	+ nst = DNS_TYPE_SRV;
	+ callback = srv_callback;
	+ } else {
	+ /* return true whether or not DNS succeeds */
	+ dns_success = true;
	+ rr_type_name = "TXT";
	+ nst = DNS_TYPE_TEXT;
	+ callback = txt_callback;
	+ }
	+
	+ res = DnsQuery_UTF8 (hostname,
	+ nst,
	+ DNS_QUERY_BYPASS_CACHE,
	+ NULL /* IP Address */,
	+ &pdns,
	+ 0 /* reserved */);
	+
	+ if (res) {
	+ DWORD flags = FORMAT_MESSAGE_ALLOCATE_BUFFER \|
	+ FORMAT_MESSAGE_FROM_SYSTEM \| FORMAT_MESSAGE_IGNORE_INSERTS;
	+
	+ if (FormatMessage (flags,
	+ 0,
	+ res,
	+ MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
	+ (LPTSTR) &lpMsgBuf,
	+ 0,
	+ 0)) {
	+ DNS_ERROR ("Failed to look up %s record \"%s\": %s",
	+ rr_type_name,
	+ hostname,
	+ (char *) lpMsgBuf);
	+ }
	+
	+ DNS_ERROR ("Failed to look up %s record \"%s\": Unknown error",
	+ rr_type_name,
	+ hostname);
	+ }
	+
	+ if (!pdns) {
	+ DNS_ERROR ("No %s records for \"%s\"", rr_type_name, hostname);
	+ }
	+
	+ i = 0;
	+
	+ do {
	+ /* DnsQuery can return additional records not of the requested type */
	+ if ((rr_type == MONGOC_RR_TXT && pdns->wType == DNS_TYPE_TEXT) \|\|
	+ (rr_type == MONGOC_RR_SRV && pdns->wType == DNS_TYPE_SRV)) {
	+ if (i > 0 && rr_type == MONGOC_RR_TXT) {
	+ /* Initial DNS Seedlist Discovery Spec: a client "MUST raise an
	+ error when multiple TXT records are encountered". */
	+ callback_success = false;
	+ DNS_ERROR ("Multiple TXT records for \"%s\"", hostname);
	+ }
	+
	+ if (rr_data) {
	+ if ((i == 0) \|\| (pdns->dwTtl < rr_data->min_ttl)) {
	+ rr_data->min_ttl = pdns->dwTtl;
	+ }
	+ }
	+
	+ if (!callback (hostname, pdns, rr_data, error)) {
	+ callback_success = false;
	+ GOTO (done);
	+ }
	+
	+ i++;
	+ }
	+
	+ pdns = pdns->pNext;
	+ } while (pdns);
	+
	+
	+ rr_data->count = i;
	+ if (i == 0) {
	+ DNS_ERROR ("No matching %s records for \"%s\"", rr_type_name, hostname);
	+ }
	+ dns_success = true;
	+
	+done:
	+ if (pdns) {
	+ DnsRecordListFree (pdns, DnsFreeRecordList);
	+ }
	+
	+ if (lpMsgBuf) {
	+ LocalFree (lpMsgBuf);
	+ }
	+
	+ RETURN (dns_success && callback_success);
	+}
	+
	+#elif (defined(MONGOC_HAVE_RES_NSEARCH) \|\| defined(MONGOC_HAVE_RES_SEARCH))
	+
	+typedef bool (mongoc_rr_callback_t) (const char hostname,
	+ ns_msg *ns_answer,
	+ ns_rr *rr,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error);
	+
	+static const char *
	+_mongoc_hstrerror (int code)
	+{
	+ switch (code) {
	+ case HOST_NOT_FOUND:
	+ return "The specified host is unknown.";
	+ case NO_ADDRESS:
	+ return "The requested name is valid but does not have an IP address.";
	+ case NO_RECOVERY:
	+ return "A nonrecoverable name server error occurred.";
	+ case TRY_AGAIN:
	+ return "A temporary error occurred on an authoritative name server. Try "
	+ "again later.";
	+ default:
	+ return "An unknown error occurred.";
	+ }
	+}
	+
	+static bool
	+srv_callback (const char *hostname,
	+ ns_msg *ns_answer,
	+ ns_rr *rr,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error)
	+{
	+ const uint8_t *data;
	+ char name[1024];
	+ uint16_t port;
	+ int size;
	+ bool ret = false;
	+ mongoc_host_list_t new_host;
	+
	+ data = ns_rr_rdata (*rr);
	+ /* memcpy the network endian port before converting to host endian. we cannot
	+ * cast (data + 4) directly as a uint16_t*, because it may not align on an
	+ * 2-byte boundary. */
	+ memcpy (&port, data + 4, sizeof (port));
	+ port = ntohs (port);
	+ size = dn_expand (ns_msg_base (*ns_answer),
	+ ns_msg_end (*ns_answer),
	+ data + 6,
	+ name,
	+ sizeof (name));
	+
	+ if (size < 1) {
	+ DNS_ERROR ("Invalid record in SRV answer for \"%s\": \"%s\"",
	+ hostname,
	+ _mongoc_hstrerror (h_errno));
	+ }
	+
	+ if (!_mongoc_host_list_from_hostport_with_err (
	+ &new_host, name, port, error)) {
	+ GOTO (done);
	+ }
	+ _mongoc_host_list_upsert (&rr_data->hosts, &new_host);
	+ ret = true;
	+done:
	+ return ret;
	+}
	+
	+static bool
	+txt_callback (const char *hostname,
	+ ns_msg *ns_answer,
	+ ns_rr *rr,
	+ mongoc_rr_data_t *rr_data,
	+ bson_error_t *error)
	+{
	+ char s[256];
	+ const uint8_t *data;
	+ bson_string_t *txt;
	+ uint16_t pos, total;
	+ uint8_t len;
	+ bool ret = false;
	+
	+ total = (uint16_t) ns_rr_rdlen (*rr);
	+ if (total < 1 \|\| total > 255) {
	+ DNS_ERROR ("Invalid TXT record size %hu for \"%s\"", total, hostname);
	+ }
	+
	+ /* a TXT record has one or more strings, each up to 255 chars, each is
	+ * prefixed by its length as 1 byte. thus endianness doesn't matter. */
	+ txt = bson_string_new (NULL);
	+ pos = 0;
	+ data = ns_rr_rdata (*rr);
	+
	+ while (pos < total) {
	+ memcpy (&len, data + pos, sizeof (uint8_t));
	+ pos++;
	+ bson_strncpy (s, (const char *) (data + pos), (size_t) len + 1);
	+ bson_string_append (txt, s);
	+ pos += len;
	+ }
	+
	+ rr_data->txt_record_opts = bson_strdup (txt->str);
	+ bson_string_free (txt, true);
	+ ret = true;
	+
	+done:
	+ return ret;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_get_rr_search --
	+ *
	+ * Fetch SRV or TXT resource records using libresolv and put results in
	+ * @rr_data.
	+ *
	+ * Returns:
	+ * Success or failure.
	+ *
	+ * For an SRV lookup, returns false if there is any error.
	+ *
	+ * For TXT lookup, ignores any error fetching the resource record and
	+ * always returns true.
	+ *
	+ * Side effects:
	+ * @error is set if there is a failure.
	+ * @rr_data->hosts may be set if querying SRV. Caller must destroy.
	+ * @rr_data->txt_record_opts may be set if querying TXT. Caller must
	+ * free.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_get_rr_search (const char *hostname,
	+ mongoc_rr_type_t rr_type,
	+ mongoc_rr_data_t *rr_data,
	+ size_t initial_buffer_size,
	+ bson_error_t *error)
	+{
	+#ifdef MONGOC_HAVE_RES_NSEARCH
	+ struct __res_state state = {0};
	+#endif
	+ int size = 0;
	+ unsigned char *search_buf = NULL;
	+ size_t buffer_size = initial_buffer_size;
	+ ns_msg ns_answer;
	+ int n;
	+ int i;
	+ const char *rr_type_name;
	+ ns_type nst;
	+ mongoc_rr_callback_t callback;
	+ ns_rr resource_record;
	+ bool dns_success;
	+ bool callback_success = true;
	+ int num_matching_records;
	+ uint32_t ttl;
	+
	+ ENTRY;
	+
	+ if (rr_type == MONGOC_RR_SRV) {
	+ /* return true only if DNS succeeds */
	+ dns_success = false;
	+ rr_type_name = "SRV";
	+ nst = ns_t_srv;
	+ callback = srv_callback;
	+ } else {
	+ /* return true whether or not DNS succeeds */
	+ dns_success = true;
	+ rr_type_name = "TXT";
	+ nst = ns_t_txt;
	+ callback = txt_callback;
	+ }
	+
	+ do {
	+ if (search_buf) {
	+ bson_free (search_buf);
	+
	+ /* increase buffer size by the previous response size. This ensures
	+ * that even if a subsequent response is larger, we'll still be able
	+ * to fit it in the response buffer */
	+ buffer_size = buffer_size + size;
	+ }
	+
	+ search_buf = (unsigned char *) bson_malloc (buffer_size);
	+ BSON_ASSERT (search_buf);
	+
	+#ifdef MONGOC_HAVE_RES_NSEARCH
	+ /* thread-safe */
	+ res_ninit (&state);
	+ size =
	+ res_nsearch (&state, hostname, ns_c_in, nst, search_buf, buffer_size);
	+#elif defined(MONGOC_HAVE_RES_SEARCH)
	+ size = res_search (hostname, ns_c_in, nst, search_buf, buffer_size);
	+#endif
	+
	+ if (size < 0) {
	+ DNS_ERROR ("Failed to look up %s record \"%s\": %s",
	+ rr_type_name,
	+ hostname,
	+ _mongoc_hstrerror (h_errno));
	+ }
	+ } while (size >= buffer_size);
	+
	+ if (ns_initparse (search_buf, size, &ns_answer)) {
	+ DNS_ERROR ("Invalid %s answer for \"%s\"", rr_type_name, hostname);
	+ }
	+
	+ n = ns_msg_count (ns_answer, ns_s_an);
	+ if (!n) {
	+ DNS_ERROR ("No %s records for \"%s\"", rr_type_name, hostname);
	+ }
	+
	+ rr_data->count = n;
	+ num_matching_records = 0;
	+ for (i = 0; i < n; i++) {
	+ if (ns_parserr (&ns_answer, ns_s_an, i, &resource_record)) {
	+ DNS_ERROR ("Invalid record %d of %s answer for \"%s\": \"%s\"",
	+ i,
	+ rr_type_name,
	+ hostname,
	+ _mongoc_hstrerror (h_errno));
	+ }
	+
	+ /* Skip records that don't match the ones we requested. CDRIVER-3628 shows
	+ * that we can receive records that were not requested. */
	+ if (rr_type == MONGOC_RR_TXT) {
	+ if (ns_rr_type (resource_record) != ns_t_txt) {
	+ continue;
	+ }
	+ } else if (rr_type == MONGOC_RR_SRV) {
	+ if (ns_rr_type (resource_record) != ns_t_srv) {
	+ continue;
	+ }
	+ }
	+
	+ if (num_matching_records > 0 && rr_type == MONGOC_RR_TXT) {
	+ /* Initial DNS Seedlist Discovery Spec: a client "MUST raise an error
	+ * when multiple TXT records are encountered". */
	+ callback_success = false;
	+ DNS_ERROR ("Multiple TXT records for \"%s\"", hostname);
	+ }
	+
	+ num_matching_records++;
	+
	+ ttl = ns_rr_ttl (resource_record);
	+ if ((i == 0) \|\| (ttl < rr_data->min_ttl)) {
	+ rr_data->min_ttl = ttl;
	+ }
	+
	+ if (!callback (hostname, &ns_answer, &resource_record, rr_data, error)) {
	+ callback_success = false;
	+ GOTO (done);
	+ }
	+ }
	+
	+ if (num_matching_records == 0) {
	+ DNS_ERROR ("No matching %s records for \"%s\"", rr_type_name, hostname);
	+ }
	+
	+ dns_success = true;
	+
	+done:
	+
	+ bson_free (search_buf);
	+
	+#ifdef MONGOC_HAVE_RES_NDESTROY
	+ /* defined on BSD/Darwin, and only if MONGOC_HAVE_RES_NSEARCH is defined */
	+ res_ndestroy (&state);
	+#elif defined(MONGOC_HAVE_RES_NCLOSE)
	+ /* defined on Linux, and only if MONGOC_HAVE_RES_NSEARCH is defined */
	+ res_nclose (&state);
	+#endif
	+ RETURN (dns_success && callback_success);
	+}
	+#endif
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_client_get_rr --
	+ *
	+ * Fetch an SRV or TXT resource record and update put results in
	+ * @rr_data.
	+ *
	+ * See RFCs 1464 and 2782, MongoDB's "Initial DNS Seedlist Discovery"
	+ * spec, and MongoDB's "Polling SRV Records for Mongos Discovery"
	+ * spec.
	+ *
	+ * Returns:
	+ * Success or failure.
	+ *
	+ * Side effects:
	+ * @error is set if there is a failure. Errors fetching TXT are
	+ * ignored.
	+ * @rr_data->hosts may be set if querying SRV. Caller must destroy.
	+ * @rr_data->txt_record_opts may be set if querying TXT. Caller must
	+ * free.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+_mongoc_client_get_rr (const char *hostname,
	+ mongoc_rr_type_t rr_type,
	+ mongoc_rr_data_t *rr_data,
	+ size_t initial_buffer_size,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT (rr_data);
	+
	+#ifdef MONGOC_HAVE_DNSAPI
	+ return _mongoc_get_rr_dnsapi (hostname, rr_type, rr_data, error);
	+#elif (defined(MONGOC_HAVE_RES_NSEARCH) \|\| defined(MONGOC_HAVE_RES_SEARCH))
	+ return _mongoc_get_rr_search (
	+ hostname, rr_type, rr_data, initial_buffer_size, error);
	+#else
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	+ "libresolv unavailable, cannot use mongodb+srv URI");
	+ return false;
	+#endif
	+}
	+
	+#undef DNS_ERROR
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_connect_tcp --
	+ *
	+ * Connect to a host using a TCP socket.
	+ *
	+ * This will be performed synchronously and return a mongoc_stream_t
	+ * that can be used to connect with the remote host.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_stream_t if successful; otherwise
	+ * NULL and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set if return value is NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_stream_t *
	+mongoc_client_connect_tcp (int32_t connecttimeoutms,
	+ const mongoc_host_list_t *host,
	+ bson_error_t *error)
	+{
	+ mongoc_socket_t *sock = NULL;
	+ struct addrinfo hints;
	+ struct addrinfo result, rp;
	+ int64_t expire_at;
	+ char portstr[8];
	+ int s;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (connecttimeoutms);
	+ BSON_ASSERT (host);
	+
	+ bson_snprintf (portstr, sizeof portstr, "%hu", host->port);
	+
	+ memset (&hints, 0, sizeof hints);
	+ hints.ai_family = host->family;
	+ hints.ai_socktype = SOCK_STREAM;
	+ hints.ai_flags = 0;
	+ hints.ai_protocol = 0;
	+
	+ TRACE ("DNS lookup for %s", host->host);
	+ s = getaddrinfo (host->host, portstr, &hints, &result);
	+
	+ if (s != 0) {
	+ mongoc_counter_dns_failure_inc ();
	+ TRACE ("Failed to resolve %s", host->host);
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	+ "Failed to resolve %s",
	+ host->host);
	+ RETURN (NULL);
	+ }
	+
	+ mongoc_counter_dns_success_inc ();
	+
	+ for (rp = result; rp; rp = rp->ai_next) {
	+ /*
	+ * Create a new non-blocking socket.
	+ */
	+ if (!(sock = mongoc_socket_new (
	+ rp->ai_family, rp->ai_socktype, rp->ai_protocol))) {
	+ continue;
	+ }
	+
	+ /*
	+ * Try to connect to the peer.
	+ */
	+ expire_at = bson_get_monotonic_time () + (connecttimeoutms * 1000L);
	+ if (0 !=
	+ mongoc_socket_connect (
	+ sock, rp->ai_addr, (mongoc_socklen_t) rp->ai_addrlen, expire_at)) {
	+ mongoc_socket_destroy (sock);
	+ sock = NULL;
	+ continue;
	+ }
	+
	+ break;
	+ }
	+
	+ if (!sock) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "Failed to connect to target host: %s",
	+ host->host_and_port);
	+ freeaddrinfo (result);
	+ RETURN (NULL);
	+ }
	+
	+ freeaddrinfo (result);
	+
	+ return mongoc_stream_socket_new (sock);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_connect_unix --
	+ *
	+ * Connect to a MongoDB server using a UNIX domain socket.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_stream_t if successful; otherwise
	+ * NULL and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set if return value is NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static mongoc_stream_t *
	+mongoc_client_connect_unix (const mongoc_host_list_t host, bson_error_t error)
	+{
	+#ifdef _WIN32
	+ ENTRY;
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "UNIX domain sockets not supported on win32.");
	+ RETURN (NULL);
	+#else
	+ struct sockaddr_un saddr;
	+ mongoc_socket_t *sock;
	+ mongoc_stream_t *ret = NULL;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (host);
	+
	+ memset (&saddr, 0, sizeof saddr);
	+ saddr.sun_family = AF_UNIX;
	+ bson_snprintf (saddr.sun_path, sizeof saddr.sun_path - 1, "%s", host->host);
	+
	+ sock = mongoc_socket_new (AF_UNIX, SOCK_STREAM, 0);
	+
	+ if (sock == NULL) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "Failed to create socket.");
	+ RETURN (NULL);
	+ }
	+
	+ if (-1 == mongoc_socket_connect (
	+ sock, (struct sockaddr *) &saddr, sizeof saddr, -1)) {
	+ mongoc_socket_destroy (sock);
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "Failed to connect to UNIX domain socket.");
	+ RETURN (NULL);
	+ }
	+
	+ ret = mongoc_stream_socket_new (sock);
	+
	+ RETURN (ret);
	+#endif
	+}
	+
	+mongoc_stream_t *
	+mongoc_client_connect (bool buffered,
	+ bool use_ssl,
	+ void *ssl_opts_void,
	+ const mongoc_uri_t *uri,
	+ const mongoc_host_list_t *host,
	+ bson_error_t *error)
	+{
	+ mongoc_stream_t *base_stream = NULL;
	+ int32_t connecttimeoutms;
	+
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (host);
	+
	+#ifndef MONGOC_ENABLE_SSL
	+ if (ssl_opts_void \|\| mongoc_uri_get_tls (uri)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_NO_ACCEPTABLE_PEER,
	+ "TLS is not enabled in this build of mongo-c-driver.");
	+ return NULL;
	+ }
	+#endif
	+
	+ connecttimeoutms = mongoc_uri_get_option_as_int32 (
	+ uri, MONGOC_URI_CONNECTTIMEOUTMS, MONGOC_DEFAULT_CONNECTTIMEOUTMS);
	+
	+ switch (host->family) {
	+ case AF_UNSPEC:
	+#if defined(AF_INET6)
	+ case AF_INET6:
	+#endif
	+ case AF_INET:
	+ base_stream = mongoc_client_connect_tcp (connecttimeoutms, host, error);
	+ break;
	+ case AF_UNIX:
	+ base_stream = mongoc_client_connect_unix (host, error);
	+ break;
	+ default:
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_INVALID_TYPE,
	+ "Invalid address family: 0x%02x",
	+ host->family);
	+ break;
	+ }
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (base_stream) {
	+ mongoc_ssl_opt_t *ssl_opts;
	+ const char *mechanism;
	+
	+ ssl_opts = (mongoc_ssl_opt_t *) ssl_opts_void;
	+ mechanism = mongoc_uri_get_auth_mechanism (uri);
	+
	+ if (use_ssl \|\| (mechanism && (0 == strcmp (mechanism, "MONGODB-X509")))) {
	+ mongoc_stream_t *original = base_stream;
	+
	+ base_stream = mongoc_stream_tls_new_with_hostname (
	+ base_stream, host->host, ssl_opts, true);
	+
	+ if (!base_stream) {
	+ mongoc_stream_destroy (original);
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "Failed initialize TLS state.");
	+ return NULL;
	+ }
	+
	+ if (!mongoc_stream_tls_handshake_block (
	+ base_stream, host->host, connecttimeoutms, error)) {
	+ mongoc_stream_destroy (base_stream);
	+ return NULL;
	+ }
	+ }
	+ }
	+#endif
	+
	+ if (!base_stream) {
	+ return NULL;
	+ }
	+ if (buffered) {
	+ return mongoc_stream_buffered_new (base_stream, 1024);
	+ }
	+ return base_stream;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_default_stream_initiator --
	+ *
	+ * A mongoc_stream_initiator_t that will handle the various type
	+ * of supported sockets by MongoDB including TCP and UNIX.
	+ *
	+ * Language binding authors may want to implement an alternate
	+ * version of this method to use their native stream format.
	+ *
	+ * Returns:
	+ * A mongoc_stream_t if successful; otherwise NULL and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set if return value is NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_stream_t *
	+mongoc_client_default_stream_initiator (const mongoc_uri_t *uri,
	+ const mongoc_host_list_t *host,
	+ void *user_data,
	+ bson_error_t *error)
	+{
	+ void *ssl_opts_void = NULL;
	+ bool use_ssl = false;
	+#ifdef MONGOC_ENABLE_SSL
	+ mongoc_client_t client = (mongoc_client_t ) user_data;
	+
	+ use_ssl = client->use_ssl;
	+ ssl_opts_void = (void *) &client->ssl_opts;
	+
	+#endif
	+
	+ return mongoc_client_connect (
	+ true, use_ssl, ssl_opts_void, uri, host, error);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_client_create_stream --
	+ *
	+ * INTERNAL API
	+ *
	+ * This function is used by the mongoc_cluster_t to initiate a
	+ * new stream. This is done because cluster is private API and
	+ * those using mongoc_client_t may need to override this process.
	+ *
	+ * This function calls the default initiator for new streams.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_stream_t if successful; otherwise
	+ * NULL and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set if return value is NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_stream_t *
	+_mongoc_client_create_stream (mongoc_client_t *client,
	+ const mongoc_host_list_t *host,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (host);
	+
	+ return client->initiator (client->uri, host, client->initiator_data, error);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_client_recv --
	+ *
	+ * Receives a RPC from a remote MongoDB cluster node.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set if return value is false.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+_mongoc_client_recv (mongoc_client_t *client,
	+ mongoc_rpc_t *rpc,
	+ mongoc_buffer_t *buffer,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (rpc);
	+ BSON_ASSERT (buffer);
	+ BSON_ASSERT (server_stream);
	+
	+ return mongoc_cluster_try_recv (
	+ &client->cluster, rpc, buffer, server_stream, error);
	+}
	+
	+
	+mongoc_client_t *
	+mongoc_client_new (const char *uri_string)
	+{
	+ mongoc_client_t *client;
	+ mongoc_uri_t *uri;
	+ bson_error_t error = {0};
	+
	+ if (!uri_string) {
	+ uri_string = "mongodb://127.0.0.1/";
	+ }
	+
	+ if (!(uri = mongoc_uri_new_with_error (uri_string, &error))) {
	+ /* Log URI errors as a warning for consistency with mongoc_uri_new */
	+ MONGOC_WARNING ("Error parsing URI: '%s'", error.message);
	+ return NULL;
	+ }
	+
	+ if (!(client = mongoc_client_new_from_uri_with_error (uri, &error))) {
	+ MONGOC_ERROR ("%s", error.message);
	+ }
	+
	+ mongoc_uri_destroy (uri);
	+
	+ return client;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_set_ssl_opts
	+ *
	+ * set ssl opts for a client
	+ *
	+ * Returns:
	+ * Nothing
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+#ifdef MONGOC_ENABLE_SSL
	+/* Only called internally. Caller must ensure opts->internal is valid. */
	+void
	+_mongoc_client_set_internal_tls_opts (mongoc_client_t *client,
	+ _mongoc_internal_tls_opts_t *internal)
	+{
	+ if (!client->use_ssl) {
	+ return;
	+ }
	+ client->ssl_opts.internal =
	+ bson_malloc (sizeof (_mongoc_internal_tls_opts_t));
	+ memcpy (client->ssl_opts.internal,
	+ internal,
	+ sizeof (_mongoc_internal_tls_opts_t));
	+}
	+
	+void
	+mongoc_client_set_ssl_opts (mongoc_client_t *client,
	+ const mongoc_ssl_opt_t *opts)
	+{
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (opts);
	+
	+ _mongoc_ssl_opts_cleanup (&client->ssl_opts,
	+ false /* don't free internal opts */);
	+
	+ client->use_ssl = true;
	+ _mongoc_ssl_opts_copy_to (
	+ opts, &client->ssl_opts, false /* don't overwrite internal opts */);
	+
	+ if (client->topology->single_threaded) {
	+ mongoc_topology_scanner_set_ssl_opts (client->topology->scanner,
	+ &client->ssl_opts);
	+ }
	+}
	+#endif
	+
	+
	+mongoc_client_t *
	+mongoc_client_new_from_uri (const mongoc_uri_t *uri)
	+{
	+ mongoc_client_t *client;
	+ bson_error_t error = {0};
	+
	+ if (!(client = mongoc_client_new_from_uri_with_error (uri, &error))) {
	+ MONGOC_ERROR ("%s", error.message);
	+ }
	+
	+ return client;
	+}
	+
	+
	+mongoc_client_t *
	+mongoc_client_new_from_uri_with_error (const mongoc_uri_t *uri,
	+ bson_error_t *error)
	+{
	+ mongoc_client_t *client;
	+ mongoc_topology_t *topology;
	+
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (uri);
	+
	+#ifndef MONGOC_ENABLE_SSL
	+ if (mongoc_uri_get_tls (uri)) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Can't create SSL client, SSL not enabled in this build.");
	+ RETURN (NULL);
	+ }
	+#endif
	+
	+ topology = mongoc_topology_new (uri, true);
	+
	+ if (!topology->valid) {
	+ if (error) {
	+ memcpy (error, &topology->scanner->error, sizeof (bson_error_t));
	+ }
	+
	+ mongoc_topology_destroy (topology);
	+
	+ RETURN (NULL);
	+ }
	+
	+ client = _mongoc_client_new_from_topology (topology);
	+ BSON_ASSERT (client);
	+
	+ RETURN (client);
	+}
	+
	+
	+/* precondition: topology is valid */
	+mongoc_client_t *
	+_mongoc_client_new_from_topology (mongoc_topology_t *topology)
	+{
	+ mongoc_client_t *client;
	+ const mongoc_read_prefs_t *read_prefs;
	+ const mongoc_read_concern_t *read_concern;
	+ const mongoc_write_concern_t *write_concern;
	+ const char *appname;
	+
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (topology->valid);
	+
	+ client = (mongoc_client_t ) bson_malloc0 (sizeof client);
	+ client->uri = mongoc_uri_copy (topology->uri);
	+ client->initiator = mongoc_client_default_stream_initiator;
	+ client->initiator_data = client;
	+ client->topology = topology;
	+ client->error_api_version = MONGOC_ERROR_API_VERSION_LEGACY;
	+ client->error_api_set = false;
	+ client->client_sessions = mongoc_set_new (8, NULL, NULL);
	+ client->csid_rand_seed = (unsigned int) bson_get_monotonic_time ();
	+
	+ write_concern = mongoc_uri_get_write_concern (client->uri);
	+ client->write_concern = mongoc_write_concern_copy (write_concern);
	+
	+ read_concern = mongoc_uri_get_read_concern (client->uri);
	+ client->read_concern = mongoc_read_concern_copy (read_concern);
	+
	+ read_prefs = mongoc_uri_get_read_prefs_t (client->uri);
	+ client->read_prefs = mongoc_read_prefs_copy (read_prefs);
	+
	+ appname =
	+ mongoc_uri_get_option_as_utf8 (client->uri, MONGOC_URI_APPNAME, NULL);
	+ if (appname && client->topology->single_threaded) {
	+ /* the appname should have already been validated */
	+ BSON_ASSERT (mongoc_client_set_appname (client, appname));
	+ }
	+
	+ mongoc_cluster_init (&client->cluster, client->uri, client);
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ client->use_ssl = false;
	+ if (mongoc_uri_get_tls (client->uri)) {
	+ mongoc_ssl_opt_t ssl_opt = {0};
	+ _mongoc_internal_tls_opts_t internal_tls_opts = {0};
	+
	+ _mongoc_ssl_opts_from_uri (&ssl_opt, &internal_tls_opts, client->uri);
	+ /* sets use_ssl = true */
	+ mongoc_client_set_ssl_opts (client, &ssl_opt);
	+ _mongoc_client_set_internal_tls_opts (client, &internal_tls_opts);
	+ }
	+#endif
	+
	+ mongoc_counter_clients_active_inc ();
	+
	+ return client;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_destroy --
	+ *
	+ * Destroys a mongoc_client_t and cleans up all resources associated
	+ * with the client instance.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * @client is destroyed.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_client_destroy (mongoc_client_t *client)
	+{
	+ if (client) {
	+ if (client->topology->single_threaded) {
	+ _mongoc_client_end_sessions (client);
	+ mongoc_topology_destroy (client->topology);
	+ }
	+
	+ mongoc_write_concern_destroy (client->write_concern);
	+ mongoc_read_concern_destroy (client->read_concern);
	+ mongoc_read_prefs_destroy (client->read_prefs);
	+ mongoc_cluster_destroy (&client->cluster);
	+ mongoc_uri_destroy (client->uri);
	+ mongoc_set_destroy (client->client_sessions);
	+ mongoc_server_api_destroy (client->api);
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ _mongoc_ssl_opts_cleanup (&client->ssl_opts, true);
	+#endif
	+
	+ bson_free (client);
	+
	+ mongoc_counter_clients_active_dec ();
	+ mongoc_counter_clients_disposed_inc ();
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_uri --
	+ *
	+ * Fetch the URI used for @client.
	+ *
	+ * Returns:
	+ * A mongoc_uri_t that should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_uri_t *
	+mongoc_client_get_uri (const mongoc_client_t *client)
	+{
	+ BSON_ASSERT (client);
	+
	+ return client->uri;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_start_session --
	+ *
	+ * Creates a structure to communicate in a session over @client.
	+ *
	+ * This structure should be freed when the caller is done with it
	+ * using mongoc_client_session_destroy().
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_client_session_t.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_client_session_t *
	+mongoc_client_start_session (mongoc_client_t *client,
	+ const mongoc_session_opt_t *opts,
	+ bson_error_t *error)
	+{
	+ mongoc_server_session_t *ss;
	+ mongoc_client_session_t *cs;
	+ uint32_t csid;
	+
	+ ENTRY;
	+
	+ ss = _mongoc_client_pop_server_session (client, error);
	+ if (!ss) {
	+ RETURN (NULL);
	+ }
	+
	+ /* get a random internal id for the session, retrying on collision */
	+ do {
	+ csid = (uint32_t) _mongoc_rand_simple (&client->csid_rand_seed);
	+ } while (mongoc_set_get (client->client_sessions, csid));
	+
	+ /* causal consistency and snapshot cannot both be set. */
	+ if (opts && mongoc_session_opts_get_causal_consistency (opts) &&
	+ mongoc_session_opts_get_snapshot (opts)) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_SESSION_FAILURE,
	+ "Only one of causal consistency and snapshot can be enabled.");
	+ _mongoc_client_push_server_session (client, ss);
	+ RETURN (NULL);
	+ }
	+ cs = _mongoc_client_session_new (client, ss, opts, csid);
	+
	+ /* remember session so if we see its client_session_id in a command, we can
	+ * find its lsid and clusterTime */
	+ mongoc_set_add (client->client_sessions, csid, cs);
	+
	+ RETURN (cs);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_database --
	+ *
	+ * Fetches a newly allocated database structure to communicate with
	+ * a database over @client.
	+ *
	+ * @database should be a db name such as "test".
	+ *
	+ * This structure should be freed when the caller is done with it
	+ * using mongoc_database_destroy().
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_database_t.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_database_t *
	+mongoc_client_get_database (mongoc_client_t client, const char name)
	+{
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (name);
	+
	+ return _mongoc_database_new (client,
	+ name,
	+ client->read_prefs,
	+ client->read_concern,
	+ client->write_concern);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_default_database --
	+ *
	+ * Get the database named in the MongoDB connection URI, or NULL
	+ * if none was specified in the URI.
	+ *
	+ * This structure should be freed when the caller is done with it
	+ * using mongoc_database_destroy().
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_database_t or NULL.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_database_t *
	+mongoc_client_get_default_database (mongoc_client_t *client)
	+{
	+ const char *db;
	+
	+ BSON_ASSERT (client);
	+ db = mongoc_uri_get_database (client->uri);
	+
	+ if (db) {
	+ return mongoc_client_get_database (client, db);
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_collection --
	+ *
	+ * This function returns a newly allocated collection structure.
	+ *
	+ * @db should be the name of the database, such as "test".
	+ * @collection should be the name of the collection such as "test".
	+ *
	+ * The above would result in the namespace "test.test".
	+ *
	+ * You should free this structure when you are done with it using
	+ * mongoc_collection_destroy().
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_collection_t that should be freed with
	+ * mongoc_collection_destroy().
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_collection_t *
	+mongoc_client_get_collection (mongoc_client_t *client,
	+ const char *db,
	+ const char *collection)
	+{
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (db);
	+ BSON_ASSERT (collection);
	+
	+ return _mongoc_collection_new (client,
	+ db,
	+ collection,
	+ client->read_prefs,
	+ client->read_concern,
	+ client->write_concern);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_gridfs --
	+ *
	+ * This function returns a newly allocated collection structure.
	+ *
	+ * @db should be the name of the database, such as "test".
	+ *
	+ * @prefix optional prefix for GridFS collection names, or NULL. Default
	+ * is "fs", thus the default collection names for GridFS are "fs.files"
	+ * and "fs.chunks".
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_gridfs_t that should be freed with
	+ * mongoc_gridfs_destroy().
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_gridfs_t *
	+mongoc_client_get_gridfs (mongoc_client_t *client,
	+ const char *db,
	+ const char *prefix,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (db);
	+
	+ if (!prefix) {
	+ prefix = "fs";
	+ }
	+
	+ return _mongoc_gridfs_new (client, db, prefix, error);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_write_concern --
	+ *
	+ * Fetches the default write concern for @client.
	+ *
	+ * Returns:
	+ * A mongoc_write_concern_t that should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_write_concern_t *
	+mongoc_client_get_write_concern (const mongoc_client_t *client)
	+{
	+ BSON_ASSERT (client);
	+
	+ return client->write_concern;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_set_write_concern --
	+ *
	+ * Sets the default write concern for @client.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_client_set_write_concern (mongoc_client_t *client,
	+ const mongoc_write_concern_t *write_concern)
	+{
	+ BSON_ASSERT (client);
	+
	+ if (write_concern != client->write_concern) {
	+ if (client->write_concern) {
	+ mongoc_write_concern_destroy (client->write_concern);
	+ }
	+ client->write_concern = write_concern
	+ ? mongoc_write_concern_copy (write_concern)
	+ : mongoc_write_concern_new ();
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_read_concern --
	+ *
	+ * Fetches the default read concern for @client.
	+ *
	+ * Returns:
	+ * A mongoc_read_concern_t that should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_read_concern_t *
	+mongoc_client_get_read_concern (const mongoc_client_t *client)
	+{
	+ BSON_ASSERT (client);
	+
	+ return client->read_concern;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_set_read_concern --
	+ *
	+ * Sets the default read concern for @client.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_client_set_read_concern (mongoc_client_t *client,
	+ const mongoc_read_concern_t *read_concern)
	+{
	+ BSON_ASSERT (client);
	+
	+ if (read_concern != client->read_concern) {
	+ if (client->read_concern) {
	+ mongoc_read_concern_destroy (client->read_concern);
	+ }
	+ client->read_concern = read_concern
	+ ? mongoc_read_concern_copy (read_concern)
	+ : mongoc_read_concern_new ();
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_get_read_prefs --
	+ *
	+ * Fetch the default read preferences for @client.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_read_prefs_t *
	+mongoc_client_get_read_prefs (const mongoc_client_t *client)
	+{
	+ BSON_ASSERT (client);
	+
	+ return client->read_prefs;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_set_read_prefs --
	+ *
	+ * Set the default read preferences for @client.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_client_set_read_prefs (mongoc_client_t *client,
	+ const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT (client);
	+
	+ if (read_prefs != client->read_prefs) {
	+ if (client->read_prefs) {
	+ mongoc_read_prefs_destroy (client->read_prefs);
	+ }
	+ client->read_prefs = read_prefs
	+ ? mongoc_read_prefs_copy (read_prefs)
	+ : mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	+ }
	+}
	+
	+mongoc_cursor_t *
	+mongoc_client_command (mongoc_client_t *client,
	+ const char *db_name,
	+ mongoc_query_flags_t flags,
	+ uint32_t skip,
	+ uint32_t limit,
	+ uint32_t batch_size,
	+ const bson_t *query,
	+ const bson_t *fields,
	+ const mongoc_read_prefs_t *read_prefs)
	+{
	+ char *ns = NULL;
	+ mongoc_cursor_t *cursor;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (db_name);
	+ BSON_ASSERT (query);
	+
	+ /*
	+ * Allow a caller to provide a fully qualified namespace
	+ */
	+ if (NULL == strstr (db_name, "$cmd")) {
	+ ns = bson_strdup_printf ("%s.$cmd", db_name);
	+ db_name = ns;
	+ }
	+
	+ cursor =
	+ _mongoc_cursor_cmd_deprecated_new (client, db_name, query, read_prefs);
	+
	+ bson_free (ns);
	+ return cursor;
	+}
	+
	+
	+static bool
	+_mongoc_client_retryable_write_command_with_stream (
	+ mongoc_client_t *client,
	+ mongoc_cmd_parts_t *parts,
	+ mongoc_server_stream_t *server_stream,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_server_stream_t *retry_server_stream = NULL;
	+ bson_iter_t txn_number_iter;
	+ bool is_retryable = true;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (parts->is_retryable_write);
	+
	+ /* increment the transaction number for the first attempt of each retryable
	+ * write command */
	+ BSON_ASSERT (bson_iter_init_find (
	+ &txn_number_iter, parts->assembled.command, "txnNumber"));
	+ bson_iter_overwrite_int64 (
	+ &txn_number_iter, ++parts->assembled.session->server_session->txn_number);
	+
	+retry:
	+ ret = mongoc_cluster_run_command_monitored (
	+ &client->cluster, &parts->assembled, reply, error);
	+
	+ _mongoc_write_error_handle_labels (
	+ ret, error, reply, server_stream->sd->max_wire_version);
	+
	+ if (is_retryable) {
	+ _mongoc_write_error_update_if_unsupported_storage_engine (
	+ ret, error, reply);
	+ }
	+
	+ /* If a retryable error is encountered and the write is retryable, select
	+ * a new writable stream and retry. If server selection fails or the selected
	+ * server does not support retryable writes, fall through and allow the
	+ * original error to be reported. */
	+ if (is_retryable &&
	+ _mongoc_write_error_get_type (reply) == MONGOC_WRITE_ERR_RETRY) {
	+ bson_error_t ignored_error;
	+
	+ /* each write command may be retried at most once */
	+ is_retryable = false;
	+
	+ if (retry_server_stream) {
	+ mongoc_server_stream_cleanup (retry_server_stream);
	+ }
	+
	+ retry_server_stream = mongoc_cluster_stream_for_writes (
	+ &client->cluster, parts->assembled.session, NULL, &ignored_error);
	+
	+ if (retry_server_stream && retry_server_stream->sd->max_wire_version >=
	+ WIRE_VERSION_RETRY_WRITES) {
	+ parts->assembled.server_stream = retry_server_stream;
	+ bson_destroy (reply);
	+ GOTO (retry);
	+ }
	+ }
	+
	+ if (retry_server_stream) {
	+ mongoc_server_stream_cleanup (retry_server_stream);
	+ }
	+
	+ if (ret && error) {
	+ /* if a retry succeeded, clear the initial error */
	+ memset (error, 0, sizeof (bson_error_t));
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+
	+static bool
	+_mongoc_client_retryable_read_command_with_stream (
	+ mongoc_client_t *client,
	+ mongoc_cmd_parts_t *parts,
	+ mongoc_server_stream_t *server_stream,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_server_stream_t *retry_server_stream = NULL;
	+ bool is_retryable = true;
	+ bool ret;
	+ bson_t reply_local;
	+
	+ if (reply == NULL) {
	+ reply = &reply_local;
	+ }
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (parts->is_retryable_read);
	+
	+retry:
	+ ret = mongoc_cluster_run_command_monitored (
	+ &client->cluster, &parts->assembled, reply, error);
	+
	+ /* If a retryable error is encountered and the read is retryable, select
	+ * a new readable stream and retry. If server selection fails or the selected
	+ * server does not support retryable reads, fall through and allow the
	+ * original error to be reported. */
	+ if (is_retryable && _mongoc_read_error_get_type (ret, error, reply) ==
	+ MONGOC_READ_ERR_RETRY) {
	+ bson_error_t ignored_error;
	+
	+ /* each read command may be retried at most once */
	+ is_retryable = false;
	+
	+ if (retry_server_stream) {
	+ mongoc_server_stream_cleanup (retry_server_stream);
	+ }
	+
	+ retry_server_stream =
	+ mongoc_cluster_stream_for_reads (&client->cluster,
	+ parts->read_prefs,
	+ parts->assembled.session,
	+ NULL,
	+ /* Not aggregate-with-write */ false,
	+ &ignored_error);
	+
	+ if (retry_server_stream && retry_server_stream->sd->max_wire_version >=
	+ WIRE_VERSION_RETRY_READS) {
	+ parts->assembled.server_stream = retry_server_stream;
	+ bson_destroy (reply);
	+ GOTO (retry);
	+ }
	+ }
	+
	+ if (retry_server_stream) {
	+ mongoc_server_stream_cleanup (retry_server_stream);
	+ }
	+
	+ if (ret && error) {
	+ /* if a retry succeeded, clear the initial error */
	+ memset (error, 0, sizeof (bson_error_t));
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+
	+static bool
	+_mongoc_client_command_with_stream (mongoc_client_t *client,
	+ mongoc_cmd_parts_t *parts,
	+ const mongoc_read_prefs_t *read_prefs,
	+ mongoc_server_stream_t *server_stream,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ ENTRY;
	+
	+ parts->assembled.operation_id = ++client->cluster.operation_id;
	+ if (!mongoc_cmd_parts_assemble (parts, server_stream, error)) {
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ };
	+
	+ if (parts->is_retryable_write) {
	+ RETURN (_mongoc_client_retryable_write_command_with_stream (
	+ client, parts, server_stream, reply, error));
	+ }
	+
	+ if (parts->is_retryable_read) {
	+ RETURN (_mongoc_client_retryable_read_command_with_stream (
	+ client, parts, server_stream, reply, error));
	+ }
	+
	+ RETURN (mongoc_cluster_run_command_monitored (
	+ &client->cluster, &parts->assembled, reply, error));
	+}
	+
	+
	+bool
	+mongoc_client_command_simple (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_cluster_t *cluster;
	+ mongoc_server_stream_t *server_stream = NULL;
	+ mongoc_cmd_parts_t parts;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (db_name);
	+ BSON_ASSERT (command);
	+
	+ if (!_mongoc_read_prefs_validate (read_prefs, error)) {
	+ RETURN (false);
	+ }
	+
	+ cluster = &client->cluster;
	+ mongoc_cmd_parts_init (&parts, client, db_name, MONGOC_QUERY_NONE, command);
	+ parts.read_prefs = read_prefs;
	+
	+ /* Server Selection Spec: "The generic command method has a default read
	+ * preference of mode 'primary'. The generic command method MUST ignore any
	+ * default read preference from client, database or collection
	+ * configuration. The generic command method SHOULD allow an optional read
	+ * preference argument."
	+ */
	+ server_stream =
	+ mongoc_cluster_stream_for_reads (cluster,
	+ read_prefs,
	+ NULL,
	+ reply,
	+ /* Not aggregate-with-write */ false,
	+ error);
	+
	+ if (server_stream) {
	+ ret = _mongoc_client_command_with_stream (
	+ client, &parts, read_prefs, server_stream, reply, error);
	+ } else {
	+ /* reply initialized by mongoc_cluster_stream_for_reads */
	+ ret = false;
	+ }
	+
	+ mongoc_cmd_parts_cleanup (&parts);
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_client_command_with_opts --
	+ *
	+ * Execute a command on the server. If mode is MONGOC_CMD_READ or
	+ * MONGOC_CMD_RW, then read concern is applied from @opts, or else from
	+ * @default_rc, and read preferences are applied from @user_prefs, or else
	+ * from @default_prefs. If mode is MONGOC_CMD_WRITE or MONGOC_CMD_RW, then
	+ * write concern is applied from @opts if present, or else @default_wc.
	+ *
	+ * If mode is MONGOC_CMD_RAW, then read concern and write concern are
	+ * applied from @opts only. Read preferences are applied from
	+ * @user_prefs.
	+ *
	+ * The mongoc_client_t's read preference, read concern, and write concern
	+ * are NOT applied.
	+ *
	+ * Returns:
	+ * Success or failure.
	+ * A write concern timeout or write concern error is considered a failure.
	+ *
	+ * Side effects:
	+ * @reply is always initialized.
	+ * @error is filled out if the command fails.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+_mongoc_client_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ mongoc_command_mode_t mode,
	+ const bson_t *opts,
	+ mongoc_query_flags_t flags,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ mongoc_read_concern_t *default_rc,
	+ mongoc_write_concern_t *default_wc,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_read_write_opts_t read_write_opts;
	+ mongoc_cmd_parts_t parts;
	+ const char *command_name;
	+ const mongoc_read_prefs_t *prefs = COALESCE (user_prefs, default_prefs);
	+ mongoc_server_stream_t *server_stream = NULL;
	+ mongoc_cluster_t *cluster;
	+ mongoc_client_session_t *cs;
	+ bson_t reply_local;
	+ bson_t *reply_ptr;
	+ int32_t wire_version;
	+ int32_t wc_wire_version;
	+ bool reply_initialized = false;
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (db_name);
	+ BSON_ASSERT (command);
	+
	+ command_name = _mongoc_get_command_name (command);
	+ cluster = &client->cluster;
	+ reply_ptr = reply ? reply : &reply_local;
	+
	+ mongoc_cmd_parts_init (&parts, client, db_name, flags, command);
	+ parts.is_read_command = (mode & MONGOC_CMD_READ);
	+ parts.is_write_command = (mode & MONGOC_CMD_WRITE);
	+
	+ if (!_mongoc_read_write_opts_parse (client, opts, &read_write_opts, error)) {
	+ GOTO (done);
	+ }
	+
	+ cs = read_write_opts.client_session;
	+
	+ if (!command_name) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Empty command document");
	+ GOTO (done);
	+ }
	+
	+ if (_mongoc_client_session_in_txn (read_write_opts.client_session)) {
	+ if ((mode == MONGOC_CMD_READ \|\| mode == MONGOC_CMD_RAW) &&
	+ !IS_PREF_PRIMARY (user_prefs)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Read preference in a transaction must be primary");
	+ GOTO (done);
	+ }
	+
	+ if (!bson_empty (&read_write_opts.readConcern)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot set read concern after starting transaction");
	+ GOTO (done);
	+ }
	+
	+ if (read_write_opts.writeConcern &&
	+ strcmp (command_name, "commitTransaction") != 0 &&
	+ strcmp (command_name, "abortTransaction") != 0) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot set write concern after starting transaction");
	+ GOTO (done);
	+ }
	+ }
	+
	+ if (mode == MONGOC_CMD_READ \|\| mode == MONGOC_CMD_RAW) {
	+ /* NULL read pref is ok */
	+ if (!_mongoc_read_prefs_validate (prefs, error)) {
	+ GOTO (done);
	+ }
	+
	+ parts.read_prefs = prefs;
	+ } else {
	+ /* this is a command that writes */
	+ prefs = NULL;
	+ }
	+
	+ if (read_write_opts.serverId) {
	+ /* "serverId" passed in opts */
	+ server_stream =
	+ mongoc_cluster_stream_for_server (cluster,
	+ read_write_opts.serverId,
	+ true /* reconnect ok */,
	+ cs,
	+ reply_ptr,
	+ error);
	+
	+ if (server_stream && server_stream->sd->type != MONGOC_SERVER_MONGOS) {
	+ parts.user_query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ }
	+ } else if (parts.is_write_command) {
	+ server_stream =
	+ mongoc_cluster_stream_for_writes (cluster, cs, reply_ptr, error);
	+ } else {
	+ server_stream =
	+ mongoc_cluster_stream_for_reads (cluster,
	+ prefs,
	+ cs,
	+ reply_ptr,
	+ /* Not aggregate-with-write */ false,
	+ error);
	+ }
	+
	+ if (!server_stream) {
	+ /* stream_for_reads/writes/server has initialized reply */
	+ reply_initialized = true;
	+ GOTO (done);
	+ }
	+
	+ wire_version = server_stream->sd->max_wire_version;
	+ if (!mongoc_cmd_parts_append_read_write (
	+ &parts, &read_write_opts, wire_version, error)) {
	+ GOTO (done);
	+ }
	+
	+ if (mode & MONGOC_CMD_WRITE) {
	+ wc_wire_version = !strcasecmp (command_name, "findandmodify")
	+ ? WIRE_VERSION_FAM_WRITE_CONCERN
	+ : WIRE_VERSION_CMD_WRITE_CONCERN;
	+
	+ if (read_write_opts.write_concern_owned &&
	+ wire_version < wc_wire_version) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "\"%s\" command does not support writeConcern with "
	+ "wire version %d, wire version %d is required",
	+ command_name,
	+ wire_version,
	+ wc_wire_version);
	+ GOTO (done);
	+ }
	+
	+ /* use default write concern unless it's in opts */
	+ if (!mongoc_write_concern_is_default (default_wc) &&
	+ !read_write_opts.write_concern_owned &&
	+ wire_version >= wc_wire_version) {
	+ if (!mongoc_cmd_parts_set_write_concern (
	+ &parts, default_wc, wire_version, error)) {
	+ GOTO (done);
	+ }
	+ }
	+ }
	+
	+ /* use default read concern for read command, unless it's in opts */
	+ if ((mode & MONGOC_CMD_READ) && bson_empty (&read_write_opts.readConcern)) {
	+ if (!mongoc_cmd_parts_set_read_concern (
	+ &parts, default_rc, wire_version, error)) {
	+ GOTO (done);
	+ }
	+ }
	+
	+ ret = _mongoc_client_command_with_stream (
	+ client, &parts, user_prefs, server_stream, reply_ptr, error);
	+
	+ reply_initialized = true;
	+
	+ if (ret && (mode & MONGOC_CMD_WRITE)) {
	+ ret = !_mongoc_parse_wc_err (reply_ptr, error);
	+ }
	+
	+done:
	+ if (reply_ptr == &reply_local) {
	+ if (reply_initialized) {
	+ bson_destroy (reply_ptr);
	+ }
	+ } else if (!reply_initialized) {
	+ _mongoc_bson_init_if_set (reply);
	+ }
	+
	+ if (server_stream) {
	+ mongoc_server_stream_cleanup (server_stream);
	+ }
	+
	+ mongoc_cmd_parts_cleanup (&parts);
	+ _mongoc_read_write_opts_cleanup (&read_write_opts);
	+
	+ RETURN (ret);
	+}
	+
	+
	+bool
	+mongoc_client_read_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ return _mongoc_client_command_with_opts (client,
	+ db_name,
	+ command,
	+ MONGOC_CMD_READ,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ client->read_prefs,
	+ client->read_concern,
	+ client->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_client_write_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ return _mongoc_client_command_with_opts (client,
	+ db_name,
	+ command,
	+ MONGOC_CMD_WRITE,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ NULL,
	+ client->read_prefs,
	+ client->read_concern,
	+ client->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_client_read_write_command_with_opts (
	+ mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t read_prefs / IGNORED */,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ return _mongoc_client_command_with_opts (client,
	+ db_name,
	+ command,
	+ MONGOC_CMD_RW,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ client->read_prefs,
	+ client->read_concern,
	+ client->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_client_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ return _mongoc_client_command_with_opts (client,
	+ db_name,
	+ command,
	+ MONGOC_CMD_RAW,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ NULL,
	+ client->read_concern,
	+ client->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_client_command_simple_with_server_id (
	+ mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ uint32_t server_id,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ mongoc_cmd_parts_t parts;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (db_name);
	+ BSON_ASSERT (command);
	+
	+ if (!_mongoc_read_prefs_validate (read_prefs, error)) {
	+ RETURN (false);
	+ }
	+
	+ server_stream = mongoc_cluster_stream_for_server (
	+ &client->cluster, server_id, true /* reconnect ok */, NULL, reply, error);
	+
	+ if (server_stream) {
	+ mongoc_cmd_parts_init (
	+ &parts, client, db_name, MONGOC_QUERY_NONE, command);
	+ parts.read_prefs = read_prefs;
	+
	+ ret = _mongoc_client_command_with_stream (
	+ client, &parts, read_prefs, server_stream, reply, error);
	+
	+ mongoc_cmd_parts_cleanup (&parts);
	+ mongoc_server_stream_cleanup (server_stream);
	+ RETURN (ret);
	+ } else {
	+ /* stream_for_server initialized reply */
	+ RETURN (false);
	+ }
	+}
	+
	+
	+static void
	+_mongoc_client_prepare_killcursors_command (int64_t cursor_id,
	+ const char *collection,
	+ bson_t *command)
	+{
	+ bson_t child;
	+
	+ bson_append_utf8 (command, "killCursors", 11, collection, -1);
	+ bson_append_array_begin (command, "cursors", 7, &child);
	+ bson_append_int64 (&child, "0", 1, cursor_id);
	+ bson_append_array_end (command, &child);
	+}
	+
	+
	+void
	+_mongoc_client_kill_cursor (mongoc_client_t *client,
	+ uint32_t server_id,
	+ int64_t cursor_id,
	+ int64_t operation_id,
	+ const char *db,
	+ const char *collection,
	+ mongoc_client_session_t *cs)
	+{
	+ mongoc_server_stream_t *server_stream;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (cursor_id);
	+
	+ /* don't attempt reconnect if server unavailable, and ignore errors */
	+ server_stream = mongoc_cluster_stream_for_server (
	+ &client->cluster, server_id, false /* reconnect_ok */, NULL, NULL, NULL);
	+
	+ if (!server_stream) {
	+ return;
	+ }
	+
	+ if (db && collection &&
	+ server_stream->sd->max_wire_version >= WIRE_VERSION_KILLCURSORS_CMD) {
	+ _mongoc_client_killcursors_command (
	+ &client->cluster, server_stream, cursor_id, db, collection, cs);
	+ } else {
	+ _mongoc_client_op_killcursors (&client->cluster,
	+ server_stream,
	+ cursor_id,
	+ operation_id,
	+ db,
	+ collection);
	+ }
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ EXIT;
	+}
	+
	+
	+static void
	+_mongoc_client_monitor_op_killcursors (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ int64_t cursor_id,
	+ int64_t operation_id,
	+ const char *db,
	+ const char *collection)
	+{
	+ bson_t doc;
	+ mongoc_client_t *client;
	+ mongoc_apm_command_started_t event;
	+
	+ ENTRY;
	+
	+ client = cluster->client;
	+
	+ if (!client->apm_callbacks.started) {
	+ return;
	+ }
	+
	+ bson_init (&doc);
	+ _mongoc_client_prepare_killcursors_command (cursor_id, collection, &doc);
	+ mongoc_apm_command_started_init (&event,
	+ &doc,
	+ db,
	+ "killCursors",
	+ cluster->request_id,
	+ operation_id,
	+ &server_stream->sd->host,
	+ server_stream->sd->id,
	+ &server_stream->sd->service_id,
	+ NULL,
	+ client->apm_context);
	+
	+ client->apm_callbacks.started (&event);
	+ mongoc_apm_command_started_cleanup (&event);
	+ bson_destroy (&doc);
	+
	+ EXIT;
	+}
	+
	+
	+static void
	+_mongoc_client_monitor_op_killcursors_succeeded (
	+ mongoc_cluster_t *cluster,
	+ int64_t duration,
	+ mongoc_server_stream_t *server_stream,
	+ int64_t cursor_id,
	+ int64_t operation_id)
	+{
	+ mongoc_client_t *client;
	+ bson_t doc;
	+ bson_t cursors_unknown;
	+ mongoc_apm_command_succeeded_t event;
	+
	+ ENTRY;
	+
	+ client = cluster->client;
	+
	+ if (!client->apm_callbacks.succeeded) {
	+ EXIT;
	+ }
	+
	+ /* fake server reply to killCursors command: {ok: 1, cursorsUnknown: [42]} */
	+ bson_init (&doc);
	+ bson_append_int32 (&doc, "ok", 2, 1);
	+ bson_append_array_begin (&doc, "cursorsUnknown", 14, &cursors_unknown);
	+ bson_append_int64 (&cursors_unknown, "0", 1, cursor_id);
	+ bson_append_array_end (&doc, &cursors_unknown);
	+
	+ mongoc_apm_command_succeeded_init (&event,
	+ duration,
	+ &doc,
	+ "killCursors",
	+ cluster->request_id,
	+ operation_id,
	+ &server_stream->sd->host,
	+ server_stream->sd->id,
	+ &server_stream->sd->service_id,
	+ false,
	+ client->apm_context);
	+
	+ client->apm_callbacks.succeeded (&event);
	+
	+ mongoc_apm_command_succeeded_cleanup (&event);
	+ bson_destroy (&doc);
	+}
	+
	+
	+static void
	+_mongoc_client_monitor_op_killcursors_failed (
	+ mongoc_cluster_t *cluster,
	+ int64_t duration,
	+ mongoc_server_stream_t *server_stream,
	+ const bson_error_t *error,
	+ int64_t operation_id)
	+{
	+ mongoc_client_t *client;
	+ bson_t doc;
	+ mongoc_apm_command_failed_t event;
	+
	+ ENTRY;
	+
	+ client = cluster->client;
	+
	+ if (!client->apm_callbacks.failed) {
	+ EXIT;
	+ }
	+
	+ /* fake server reply to killCursors command: {ok: 0} */
	+ bson_init (&doc);
	+ bson_append_int32 (&doc, "ok", 2, 0);
	+
	+ mongoc_apm_command_failed_init (&event,
	+ duration,
	+ "killCursors",
	+ error,
	+ &doc,
	+ cluster->request_id,
	+ operation_id,
	+ &server_stream->sd->host,
	+ server_stream->sd->id,
	+ &server_stream->sd->service_id,
	+ false,
	+ client->apm_context);
	+
	+ client->apm_callbacks.failed (&event);
	+
	+ mongoc_apm_command_failed_cleanup (&event);
	+ bson_destroy (&doc);
	+}
	+
	+
	+static void
	+_mongoc_client_op_killcursors (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ int64_t cursor_id,
	+ int64_t operation_id,
	+ const char *db,
	+ const char *collection)
	+{
	+ int64_t started;
	+ mongoc_rpc_t rpc = {{0}};
	+ bson_error_t error;
	+ bool has_ns;
	+ bool r;
	+
	+ /* called by old mongoc_client_kill_cursor without db/collection? */
	+ has_ns = (db && collection);
	+ started = bson_get_monotonic_time ();
	+
	+ ++cluster->request_id;
	+
	+ rpc.header.msg_len = 0;
	+ rpc.header.request_id = cluster->request_id;
	+ rpc.header.response_to = 0;
	+ rpc.header.opcode = MONGOC_OPCODE_KILL_CURSORS;
	+ rpc.kill_cursors.zero = 0;
	+ rpc.kill_cursors.cursors = &cursor_id;
	+ rpc.kill_cursors.n_cursors = 1;
	+
	+ if (has_ns) {
	+ _mongoc_client_monitor_op_killcursors (
	+ cluster, server_stream, cursor_id, operation_id, db, collection);
	+ }
	+
	+ r = mongoc_cluster_legacy_rpc_sendv_to_server (
	+ cluster, &rpc, server_stream, &error);
	+
	+ if (has_ns) {
	+ if (r) {
	+ _mongoc_client_monitor_op_killcursors_succeeded (
	+ cluster,
	+ bson_get_monotonic_time () - started,
	+ server_stream,
	+ cursor_id,
	+ operation_id);
	+ } else {
	+ _mongoc_client_monitor_op_killcursors_failed (
	+ cluster,
	+ bson_get_monotonic_time () - started,
	+ server_stream,
	+ &error,
	+ operation_id);
	+ }
	+ }
	+}
	+
	+
	+static void
	+_mongoc_client_killcursors_command (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ int64_t cursor_id,
	+ const char *db,
	+ const char *collection,
	+ mongoc_client_session_t *cs)
	+{
	+ bson_t command = BSON_INITIALIZER;
	+ mongoc_cmd_parts_t parts;
	+
	+ ENTRY;
	+
	+ _mongoc_client_prepare_killcursors_command (cursor_id, collection, &command);
	+ mongoc_cmd_parts_init (
	+ &parts, cluster->client, db, MONGOC_QUERY_SECONDARY_OK, &command);
	+ parts.assembled.operation_id = ++cluster->operation_id;
	+ mongoc_cmd_parts_set_session (&parts, cs);
	+
	+ if (mongoc_cmd_parts_assemble (&parts, server_stream, NULL)) {
	+ /* Find, getMore And killCursors Commands Spec: "The result from the
	+ * killCursors command MAY be safely ignored."
	+ */
	+ (void) mongoc_cluster_run_command_monitored (
	+ cluster, &parts.assembled, NULL, NULL);
	+ }
	+
	+ mongoc_cmd_parts_cleanup (&parts);
	+ bson_destroy (&command);
	+
	+ EXIT;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_kill_cursor --
	+ *
	+ * Destroy a cursor on the server.
	+ *
	+ * NOTE: this is only reliable when connected to a single mongod or
	+ * mongos. If connected to a replica set, the driver attempts to
	+ * kill the cursor on the primary. If connected to multiple mongoses
	+ * the kill-cursors message is sent to a random mongos.
	+ *
	+ * If no primary, mongos, or standalone server is known, return
	+ * without attempting to reconnect.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_client_kill_cursor (mongoc_client_t *client, int64_t cursor_id)
	+{
	+ mongoc_topology_t *const topology =
	+ BSON_ASSERT_PTR_INLINE (client)->topology;
	+ mongoc_server_description_t const *selected_server;
	+ mongoc_read_prefs_t *read_prefs;
	+ bson_error_t error;
	+ uint32_t server_id = 0;
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+
	+ read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	+
	+ if (!mongoc_topology_compatible (td.ptr, NULL, &error)) {
	+ MONGOC_ERROR ("Could not kill cursor: %s", error.message);
	+ mc_tpld_drop_ref (&td);
	+ mongoc_read_prefs_destroy (read_prefs);
	+ return;
	+ }
	+
	+ /* see if there's a known writable server - do no I/O or retries */
	+ selected_server =
	+ mongoc_topology_description_select (td.ptr,
	+ MONGOC_SS_WRITE,
	+ read_prefs,
	+ NULL /* chosen read mode */,
	+ topology->local_threshold_msec);
	+
	+ if (selected_server) {
	+ server_id = selected_server->id;
	+ }
	+
	+ if (server_id) {
	+ _mongoc_client_kill_cursor (client,
	+ server_id,
	+ cursor_id,
	+ 0 /* operation_id */,
	+ NULL /* db */,
	+ NULL /* collection */,
	+ NULL /* session */);
	+ } else {
	+ MONGOC_INFO ("No server available for mongoc_client_kill_cursor");
	+ }
	+
	+ mongoc_read_prefs_destroy (read_prefs);
	+ mc_tpld_drop_ref (&td);
	+}
	+
	+
	+char **
	+mongoc_client_get_database_names (mongoc_client_t client, bson_error_t error)
	+{
	+ return mongoc_client_get_database_names_with_opts (client, NULL, error);
	+}
	+
	+
	+char **
	+mongoc_client_get_database_names_with_opts (mongoc_client_t *client,
	+ const bson_t *opts,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ const char *name;
	+ char **ret = NULL;
	+ int i = 0;
	+ mongoc_cursor_t *cursor;
	+ const bson_t *doc;
	+ bson_t cmd = BSON_INITIALIZER;
	+
	+ BSON_ASSERT (client);
	+ BSON_APPEND_INT32 (&cmd, "listDatabases", 1);
	+ BSON_APPEND_BOOL (&cmd, "nameOnly", true);
	+
	+ /* ignore client read prefs */
	+ cursor = _mongoc_cursor_array_new (client, "admin", &cmd, opts, "databases");
	+ bson_destroy (&cmd);
	+
	+ while (mongoc_cursor_next (cursor, &doc)) {
	+ if (bson_iter_init (&iter, doc) && bson_iter_find (&iter, "name") &&
	+ BSON_ITER_HOLDS_UTF8 (&iter) &&
	+ (name = bson_iter_utf8 (&iter, NULL))) {
	+ ret = (char *) bson_realloc (ret, sizeof (char ) * (i + 2));
	+ ret[i] = bson_strdup (name);
	+ ret[++i] = NULL;
	+ }
	+ }
	+
	+ if (!ret && !mongoc_cursor_error (cursor, error)) {
	+ ret = (char *) bson_malloc0 (sizeof (void ));
	+ }
	+
	+ mongoc_cursor_destroy (cursor);
	+
	+ return ret;
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_client_find_databases (mongoc_client_t client, bson_error_t error)
	+{
	+ /* existing bug in this deprecated API: error pointer is unused */
	+ return mongoc_client_find_databases_with_opts (client, NULL);
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_client_find_databases_with_opts (mongoc_client_t *client,
	+ const bson_t *opts)
	+{
	+ bson_t cmd = BSON_INITIALIZER;
	+ mongoc_cursor_t *cursor;
	+
	+ BSON_ASSERT (client);
	+ BSON_APPEND_INT32 (&cmd, "listDatabases", 1);
	+ cursor = _mongoc_cursor_array_new (client, "admin", &cmd, opts, "databases");
	+ bson_destroy (&cmd);
	+ return cursor;
	+}
	+
	+
	+int32_t
	+mongoc_client_get_max_message_size (mongoc_client_t client) / IN */
	+{
	+ BSON_ASSERT (client);
	+
	+ return mongoc_cluster_get_max_msg_size (&client->cluster);
	+}
	+
	+
	+int32_t
	+mongoc_client_get_max_bson_size (mongoc_client_t client) / IN */
	+{
	+ BSON_ASSERT (client);
	+
	+ return mongoc_cluster_get_max_bson_obj_size (&client->cluster);
	+}
	+
	+
	+bool
	+mongoc_client_get_server_status (mongoc_client_t client, / IN */
	+ mongoc_read_prefs_t read_prefs, / IN */
	+ bson_t reply, / OUT */
	+ bson_error_t error) / OUT */
	+{
	+ bson_t cmd = BSON_INITIALIZER;
	+ bool ret = false;
	+
	+ BSON_ASSERT (client);
	+
	+ BSON_APPEND_INT32 (&cmd, "serverStatus", 1);
	+ ret = mongoc_client_command_simple (
	+ client, "admin", &cmd, read_prefs, reply, error);
	+ bson_destroy (&cmd);
	+
	+ return ret;
	+}
	+
	+
	+void
	+mongoc_client_set_stream_initiator (mongoc_client_t *client,
	+ mongoc_stream_initiator_t initiator,
	+ void *user_data)
	+{
	+ BSON_ASSERT (client);
	+
	+ if (!initiator) {
	+ initiator = mongoc_client_default_stream_initiator;
	+ user_data = client;
	+ } else {
	+ MONGOC_DEBUG ("Using custom stream initiator.");
	+ }
	+
	+ client->initiator = initiator;
	+ client->initiator_data = user_data;
	+
	+ if (client->topology->single_threaded) {
	+ mongoc_topology_scanner_set_stream_initiator (
	+ client->topology->scanner, initiator, user_data);
	+ }
	+}
	+
	+
	+bool
	+_mongoc_client_set_apm_callbacks_private (mongoc_client_t *client,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context)
	+{
	+ if (callbacks) {
	+ memcpy (
	+ &client->apm_callbacks, callbacks, sizeof (mongoc_apm_callbacks_t));
	+ } else {
	+ memset (&client->apm_callbacks, 0, sizeof (mongoc_apm_callbacks_t));
	+ }
	+
	+ client->apm_context = context;
	+
	+ /* A client pool sets APM callbacks for the entire pool. */
	+ if (client->topology->single_threaded) {
	+ mongoc_topology_set_apm_callbacks (
	+ client->topology,
	+ /* We are safe to modify the shared_descr directly, since we are
	+ * single-threaded */
	+ mc_tpld_unsafe_get_mutable (client->topology),
	+ callbacks,
	+ context);
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongoc_client_set_apm_callbacks (mongoc_client_t *client,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context)
	+{
	+ if (!client->topology->single_threaded) {
	+ MONGOC_ERROR ("Cannot set callbacks on a pooled client, use "
	+ "mongoc_client_pool_set_apm_callbacks");
	+ return false;
	+ }
	+
	+ return _mongoc_client_set_apm_callbacks_private (client, callbacks, context);
	+}
	+
	+mongoc_server_description_t *
	+mongoc_client_get_server_description (mongoc_client_t *client,
	+ uint32_t server_id)
	+{
	+ mongoc_server_description_t *ret;
	+ mc_shared_tpld td = mc_tpld_take_ref (client->topology);
	+ mongoc_server_description_t const *sd =
	+ mongoc_topology_description_server_by_id_const (
	+ td.ptr, server_id, NULL /* <- the error info isn't useful */);
	+ ret = mongoc_server_description_new_copy (sd);
	+ mc_tpld_drop_ref (&td);
	+ return ret;
	+}
	+
	+
	+mongoc_server_description_t **
	+mongoc_client_get_server_descriptions (const mongoc_client_t *client,
	+ size_t n / OUT */)
	+{
	+ mc_shared_tpld td =
	+ mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (client)->topology);
	+ mongoc_server_description_t **const sds =
	+ mongoc_topology_description_get_servers (td.ptr,
	+ BSON_ASSERT_PTR_INLINE (n));
	+ mc_tpld_drop_ref (&td);
	+ return sds;
	+}
	+
	+
	+void
	+mongoc_server_descriptions_destroy_all (mongoc_server_description_t **sds,
	+ size_t n)
	+{
	+ size_t i;
	+
	+ for (i = 0; i < n; ++i) {
	+ mongoc_server_description_destroy (sds[i]);
	+ }
	+
	+ bson_free (sds);
	+}
	+
	+
	+mongoc_server_description_t *
	+mongoc_client_select_server (mongoc_client_t *client,
	+ bool for_writes,
	+ const mongoc_read_prefs_t *prefs,
	+ bson_error_t *error)
	+{
	+ mongoc_ss_optype_t optype = for_writes ? MONGOC_SS_WRITE : MONGOC_SS_READ;
	+ mongoc_server_description_t *sd;
	+
	+ if (for_writes && prefs) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_SERVER_SELECTION,
	+ MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	+ "Cannot use read preferences with for_writes = true");
	+ return NULL;
	+ }
	+
	+ if (!_mongoc_read_prefs_validate (prefs, error)) {
	+ return NULL;
	+ }
	+
	+ sd = mongoc_topology_select (
	+ client->topology, optype, prefs, NULL /* chosen read mode */, error);
	+ if (!sd) {
	+ return NULL;
	+ }
	+
	+ if (mongoc_cluster_check_interval (&client->cluster, sd->id)) {
	+ /* check not required, or it succeeded */
	+ return sd;
	+ }
	+
	+ /* check failed, retry once */
	+ mongoc_server_description_destroy (sd);
	+ sd = mongoc_topology_select (
	+ client->topology, optype, prefs, NULL /* chosen read mode */, error);
	+ if (sd) {
	+ return sd;
	+ }
	+
	+ return NULL;
	+}
	+
	+bool
	+mongoc_client_set_error_api (mongoc_client_t *client, int32_t version)
	+{
	+ if (!client->topology->single_threaded) {
	+ MONGOC_ERROR ("Cannot set Error API Version on a pooled client, use "
	+ "mongoc_client_pool_set_error_api");
	+ return false;
	+ }
	+
	+ if (version != MONGOC_ERROR_API_VERSION_LEGACY &&
	+ version != MONGOC_ERROR_API_VERSION_2) {
	+ MONGOC_ERROR ("Unsupported Error API Version: %" PRId32, version);
	+ return false;
	+ }
	+
	+ if (client->error_api_set) {
	+ MONGOC_ERROR ("Can only set Error API Version once");
	+ return false;
	+ }
	+
	+ client->error_api_version = version;
	+ client->error_api_set = true;
	+
	+ return true;
	+}
	+
	+bool
	+mongoc_client_set_appname (mongoc_client_t client, const char appname)
	+{
	+ if (!client->topology->single_threaded) {
	+ MONGOC_ERROR ("Cannot call set_appname on a client from a pool");
	+ return false;
	+ }
	+
	+ return _mongoc_topology_set_appname (client->topology, appname);
	+}
	+
	+mongoc_server_session_t *
	+_mongoc_client_pop_server_session (mongoc_client_t client, bson_error_t error)
	+{
	+ return _mongoc_topology_pop_server_session (client->topology, error);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_client_lookup_session --
	+ *
	+ * Retrieve a mongoc_client_session_t associated with @client_session_id.
	+ * Use this to find the "lsid" and "$clusterTime" to send in the server
	+ * command.
	+ *
	+ * Returns:
	+ * True on success, false on error and @error is set. Will return false
	+ * if the session is from an outdated client generation, a holdover
	+ * from before a call to mongoc_client_reset.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+_mongoc_client_lookup_session (const mongoc_client_t *client,
	+ uint32_t client_session_id,
	+ mongoc_client_session_t *cs / OUT */,
	+ bson_error_t error / OUT */)
	+{
	+ ENTRY;
	+
	+ *cs = mongoc_set_get (client->client_sessions, client_session_id);
	+
	+ if (*cs) {
	+ RETURN (true);
	+ }
	+
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Invalid sessionId");
	+
	+ RETURN (false);
	+}
	+
	+void
	+_mongoc_client_unregister_session (mongoc_client_t *client,
	+ mongoc_client_session_t *session)
	+{
	+ mongoc_set_rm (client->client_sessions, session->client_session_id);
	+}
	+
	+void
	+_mongoc_client_push_server_session (mongoc_client_t *client,
	+ mongoc_server_session_t *server_session)
	+{
	+ _mongoc_topology_push_server_session (client->topology, server_session);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_client_end_sessions --
	+ *
	+ * End all server sessions in the topology's server session pool.
	+ * Don't block long: if server selection or connecting fails, quit.
	+ *
	+ * The server session pool becomes invalid, but may not be empty.
	+ * Destroy the topology after this without using any sessions.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_client_end_sessions (mongoc_client_t *client)
	+{
	+ mongoc_topology_t *t = client->topology;
	+ mongoc_read_prefs_t *prefs;
	+ bson_error_t error;
	+ uint32_t server_id;
	+ bson_t cmd;
	+ mongoc_server_stream_t *stream;
	+ mongoc_cmd_parts_t parts;
	+ mongoc_cluster_t *cluster = &client->cluster;
	+ bool r;
	+
	+ while (!mongoc_server_session_pool_is_empty (t->session_pool)) {
	+ prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
	+ server_id = mongoc_topology_select_server_id (
	+ t, MONGOC_SS_READ, prefs, NULL /* chosen read mode */, &error);
	+
	+ mongoc_read_prefs_destroy (prefs);
	+ if (!server_id) {
	+ MONGOC_WARNING ("Couldn't send \"endSessions\": %s", error.message);
	+ return;
	+ }
	+
	+ stream = mongoc_cluster_stream_for_server (
	+ cluster, server_id, false /* reconnect_ok */, NULL, NULL, &error);
	+
	+ if (!stream) {
	+ MONGOC_WARNING ("Couldn't send \"endSessions\": %s", error.message);
	+ return;
	+ }
	+
	+ /* end sessions in chunks */
	+ while (_mongoc_topology_end_sessions_cmd (t, &cmd)) {
	+ mongoc_cmd_parts_init (
	+ &parts, client, "admin", MONGOC_QUERY_SECONDARY_OK, &cmd);
	+ parts.assembled.operation_id = ++cluster->operation_id;
	+ parts.prohibit_lsid = true;
	+
	+ r = mongoc_cmd_parts_assemble (&parts, stream, &error);
	+ if (!r) {
	+ MONGOC_WARNING ("Couldn't construct \"endSessions\" command: %s",
	+ error.message);
	+ } else {
	+ r = mongoc_cluster_run_command_monitored (
	+ cluster, &parts.assembled, NULL, &error);
	+
	+ if (!r) {
	+ MONGOC_WARNING ("Couldn't send \"endSessions\": %s",
	+ error.message);
	+ }
	+ }
	+
	+ mongoc_cmd_parts_cleanup (&parts);
	+
	+ if (!mongoc_cluster_stream_valid (cluster, stream)) {
	+ /* The stream was invalidated as a result of a network error, so we
	+ * stop sending commands. */
	+ break;
	+ }
	+
	+ bson_destroy (&cmd);
	+ }
	+
	+ bson_destroy (&cmd);
	+ mongoc_server_stream_cleanup (stream);
	+ }
	+}
	+
	+void
	+mongoc_client_reset (mongoc_client_t *client)
	+{
	+ BSON_ASSERT (client);
	+
	+ client->generation++;
	+
	+ /* Client sessions are owned and destroyed by the user, but we keep
	+ local pointers to them for reference. On reset, clear our local
	+ set without destroying the sessions or calling endSessions.
	+ client_sessions has no dtor, so it won't destroy its items.
	+
	+ Destroying the local cache of client sessions here ensures they
	+ cannot be used by future operations--lookup for them will fail. */
	+ mongoc_set_destroy (client->client_sessions);
	+ client->client_sessions = mongoc_set_new (8, NULL, NULL);
	+
	+ /* Server sessions are owned by us, so we clear the pool on reset. */
	+ mongoc_server_session_pool_clear (client->topology->session_pool);
	+}
	+
	+mongoc_change_stream_t *
	+mongoc_client_watch (mongoc_client_t *client,
	+ const bson_t *pipeline,
	+ const bson_t *opts)
	+{
	+ return _mongoc_change_stream_new_from_client (client, pipeline, opts);
	+}
	+
	+bool
	+mongoc_client_enable_auto_encryption (mongoc_client_t *client,
	+ mongoc_auto_encryption_opts_t *opts,
	+ bson_error_t *error)
	+{
	+ if (!client->topology->single_threaded) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_INVALID_ENCRYPTION_ARG,
	+ "Cannot enable auto encryption on a pooled client, use "
	+ "mongoc_client_pool_enable_auto_encryption");
	+ return false;
	+ }
	+ return _mongoc_cse_client_enable_auto_encryption (client, opts, error);
	+}
	+
	+bool
	+mongoc_client_set_server_api (mongoc_client_t *client,
	+ const mongoc_server_api_t *api,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (client);
	+ BSON_ASSERT_PARAM (api);
	+
	+ if (client->is_pooled) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_API_FROM_POOL,
	+ "Cannot set server api on a client checked out from a pool");
	+ return false;
	+ }
	+
	+ if (client->api) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_API_ALREADY_SET,
	+ "Cannot set server api more than once per client");
	+ return false;
	+ }
	+
	+ client->api = mongoc_server_api_copy (api);
	+ _mongoc_topology_scanner_set_server_api (client->topology->scanner, api);
	+ return true;
	+}
	+
	+mongoc_server_description_t *
	+mongoc_client_get_handshake_description (mongoc_client_t *client,
	+ uint32_t server_id,
	+ bson_t *opts,
	+ bson_error_t *error)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ mongoc_server_description_t *sd;
	+
	+ server_stream = mongoc_cluster_stream_for_server (&client->cluster,
	+ server_id,
	+ true /* reconnect */,
	+ NULL /* client session */,
	+ NULL /* reply */,
	+ error);
	+ if (!server_stream) {
	+ return NULL;
	+ }
	+
	+ sd = mongoc_server_description_new_copy (server_stream->sd);
	+ mongoc_server_stream_cleanup (server_stream);
	+ return sd;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.h
	new file mode 100644
	index 00000000..e72eb084
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-client.h
	@@ -0,0 +1,298 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_CLIENT_H
	+#define MONGOC_CLIENT_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-apm.h"
	+#include "mongoc-client-side-encryption.h"
	+#include "mongoc-collection.h"
	+#include "mongoc-config.h"
	+#include "mongoc-cursor.h"
	+#include "mongoc-database.h"
	+#include "mongoc-gridfs.h"
	+#include "mongoc-index.h"
	+#include "mongoc-macros.h"
	+#include "mongoc-read-prefs.h"
	+#include "mongoc-server-api.h"
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-ssl.h"
	+#endif
	+#include "mongoc-stream.h"
	+#include "mongoc-uri.h"
	+#include "mongoc-write-concern.h"
	+#include "mongoc-read-concern.h"
	+#include "mongoc-server-description.h"
	+
	+BSON_BEGIN_DECLS
	+
	+/* This define is part of our public API. But per MongoDB 4.4, there is no
	+ * longer a size limit on collection names. */
	+#define MONGOC_NAMESPACE_MAX 128
	+
	+
	+#ifndef MONGOC_DEFAULT_CONNECTTIMEOUTMS
	+#define MONGOC_DEFAULT_CONNECTTIMEOUTMS (10 * 1000L)
	+#endif
	+
	+
	+#ifndef MONGOC_DEFAULT_SOCKETTIMEOUTMS
	+/*
	+ * NOTE: The default socket timeout for connections is 5 minutes. This
	+ * means that if your MongoDB server dies or becomes unavailable
	+ * it will take 5 minutes to detect this.
	+ *
	+ * You can change this by providing sockettimeoutms= in your
	+ * connection URI.
	+ */
	+#define MONGOC_DEFAULT_SOCKETTIMEOUTMS (1000L * 60L * 5L)
	+#endif
	+
	+
	+/**
	+ * mongoc_client_t:
	+ *
	+ * The mongoc_client_t structure maintains information about a connection to
	+ * a MongoDB server.
	+ */
	+typedef struct _mongoc_client_t mongoc_client_t;
	+
	+
	+typedef struct _mongoc_client_session_t mongoc_client_session_t;
	+typedef struct _mongoc_session_opt_t mongoc_session_opt_t;
	+typedef struct _mongoc_transaction_opt_t mongoc_transaction_opt_t;
	+
	+/**
	+ * mongoc_stream_initiator_t:
	+ * @uri: The uri and options for the stream.
	+ * @host: The host and port (or UNIX domain socket path) to connect to.
	+ * @user_data: The pointer passed to mongoc_client_set_stream_initiator.
	+ * @error: A location for an error.
	+ *
	+ * Creates a new mongoc_stream_t for the host and port. Begin a
	+ * non-blocking connect and return immediately.
	+ *
	+ * This can be used by language bindings to create network transports other
	+ * than those built into libmongoc. An example of such would be the streams
	+ * API provided by PHP.
	+ *
	+ * Returns: A newly allocated mongoc_stream_t or NULL on failure.
	+ */
	+typedef mongoc_stream_t (mongoc_stream_initiator_t) (
	+ const mongoc_uri_t *uri,
	+ const mongoc_host_list_t *host,
	+ void *user_data,
	+ bson_error_t *error);
	+
	+
	+MONGOC_EXPORT (mongoc_client_t *)
	+mongoc_client_new (const char *uri_string) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_client_t *)
	+mongoc_client_new_from_uri (const mongoc_uri_t *uri)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_client_t *)
	+mongoc_client_new_from_uri_with_error (
	+ const mongoc_uri_t uri, bson_error_t error) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (const mongoc_uri_t *)
	+mongoc_client_get_uri (const mongoc_client_t *client);
	+MONGOC_EXPORT (void)
	+mongoc_client_set_stream_initiator (mongoc_client_t *client,
	+ mongoc_stream_initiator_t initiator,
	+ void *user_data);
	+MONGOC_EXPORT (mongoc_cursor_t *)
	+mongoc_client_command (mongoc_client_t *client,
	+ const char *db_name,
	+ mongoc_query_flags_t flags,
	+ uint32_t skip,
	+ uint32_t limit,
	+ uint32_t batch_size,
	+ const bson_t *query,
	+ const bson_t *fields,
	+ const mongoc_read_prefs_t *read_prefs)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_client_kill_cursor (mongoc_client_t *client,
	+ int64_t cursor_id) BSON_GNUC_DEPRECATED;
	+MONGOC_EXPORT (bool)
	+mongoc_client_command_simple (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_t *reply,
	+ bson_error_t *error);
	+MONGOC_EXPORT (bool)
	+mongoc_client_read_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error);
	+MONGOC_EXPORT (bool)
	+mongoc_client_write_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error);
	+MONGOC_EXPORT (bool)
	+mongoc_client_read_write_command_with_opts (
	+ mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t read_prefs / IGNORED */,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error);
	+MONGOC_EXPORT (bool)
	+mongoc_client_command_with_opts (mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error);
	+MONGOC_EXPORT (bool)
	+mongoc_client_command_simple_with_server_id (
	+ mongoc_client_t *client,
	+ const char *db_name,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ uint32_t server_id,
	+ bson_t *reply,
	+ bson_error_t *error);
	+MONGOC_EXPORT (void)
	+mongoc_client_destroy (mongoc_client_t *client);
	+MONGOC_EXPORT (mongoc_client_session_t *)
	+mongoc_client_start_session (mongoc_client_t *client,
	+ const mongoc_session_opt_t *opts,
	+ bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_database_t *)
	+mongoc_client_get_database (mongoc_client_t *client,
	+ const char *name) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_database_t *)
	+mongoc_client_get_default_database (mongoc_client_t *client)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_gridfs_t *)
	+mongoc_client_get_gridfs (mongoc_client_t *client,
	+ const char *db,
	+ const char *prefix,
	+ bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_collection_t *)
	+mongoc_client_get_collection (mongoc_client_t *client,
	+ const char *db,
	+ const char *collection)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (char **)
	+mongoc_client_get_database_names (mongoc_client_t client, bson_error_t error)
	+ BSON_GNUC_WARN_UNUSED_RESULT
	+ BSON_GNUC_DEPRECATED_FOR (mongoc_client_get_database_names_with_opts);
	+MONGOC_EXPORT (char **)
	+mongoc_client_get_database_names_with_opts (mongoc_client_t *client,
	+ const bson_t *opts,
	+ bson_error_t *error)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_cursor_t *)
	+mongoc_client_find_databases (mongoc_client_t *client,
	+ bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT
	+ BSON_GNUC_DEPRECATED_FOR (mongoc_client_find_databases_with_opts);
	+MONGOC_EXPORT (mongoc_cursor_t *)
	+mongoc_client_find_databases_with_opts (
	+ mongoc_client_t client, const bson_t opts) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (bool)
	+mongoc_client_get_server_status (mongoc_client_t *client,
	+ mongoc_read_prefs_t *read_prefs,
	+ bson_t *reply,
	+ bson_error_t *error) BSON_GNUC_DEPRECATED;
	+MONGOC_EXPORT (int32_t)
	+mongoc_client_get_max_message_size (mongoc_client_t *client)
	+ BSON_GNUC_DEPRECATED;
	+MONGOC_EXPORT (int32_t)
	+mongoc_client_get_max_bson_size (mongoc_client_t *client) BSON_GNUC_DEPRECATED;
	+MONGOC_EXPORT (const mongoc_write_concern_t *)
	+mongoc_client_get_write_concern (const mongoc_client_t *client);
	+MONGOC_EXPORT (void)
	+mongoc_client_set_write_concern (mongoc_client_t *client,
	+ const mongoc_write_concern_t *write_concern);
	+MONGOC_EXPORT (const mongoc_read_concern_t *)
	+mongoc_client_get_read_concern (const mongoc_client_t *client);
	+MONGOC_EXPORT (void)
	+mongoc_client_set_read_concern (mongoc_client_t *client,
	+ const mongoc_read_concern_t *read_concern);
	+MONGOC_EXPORT (const mongoc_read_prefs_t *)
	+mongoc_client_get_read_prefs (const mongoc_client_t *client);
	+MONGOC_EXPORT (void)
	+mongoc_client_set_read_prefs (mongoc_client_t *client,
	+ const mongoc_read_prefs_t *read_prefs);
	+#ifdef MONGOC_ENABLE_SSL
	+MONGOC_EXPORT (void)
	+mongoc_client_set_ssl_opts (mongoc_client_t *client,
	+ const mongoc_ssl_opt_t *opts);
	+#endif
	+MONGOC_EXPORT (bool)
	+mongoc_client_set_apm_callbacks (mongoc_client_t *client,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context);
	+MONGOC_EXPORT (mongoc_server_description_t *)
	+mongoc_client_get_server_description (
	+ mongoc_client_t *client, uint32_t server_id) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_server_description_t **)
	+mongoc_client_get_server_descriptions (const mongoc_client_t *client,
	+ size_t *n) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_server_descriptions_destroy_all (mongoc_server_description_t **sds,
	+ size_t n);
	+MONGOC_EXPORT (mongoc_server_description_t *)
	+mongoc_client_select_server (mongoc_client_t *client,
	+ bool for_writes,
	+ const mongoc_read_prefs_t *prefs,
	+ bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (bool)
	+mongoc_client_set_error_api (mongoc_client_t *client, int32_t version);
	+MONGOC_EXPORT (bool)
	+mongoc_client_set_appname (mongoc_client_t client, const char appname);
	+MONGOC_EXPORT (mongoc_change_stream_t *)
	+mongoc_client_watch (mongoc_client_t *client,
	+ const bson_t *pipeline,
	+ const bson_t *opts) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_client_reset (mongoc_client_t *client);
	+
	+MONGOC_EXPORT (bool)
	+mongoc_client_enable_auto_encryption (mongoc_client_t *client,
	+ mongoc_auto_encryption_opts_t *opts,
	+ bson_error_t *error);
	+
	+MONGOC_EXPORT (bool)
	+mongoc_client_set_server_api (mongoc_client_t *client,
	+ const mongoc_server_api_t *api,
	+ bson_error_t *error);
	+
	+MONGOC_EXPORT (mongoc_server_description_t *)
	+mongoc_client_get_handshake_description (mongoc_client_t *client,
	+ uint32_t server_id,
	+ bson_t *opts,
	+ bson_error_t *error)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_CLIENT_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-aws.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-cyrus.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-private.h
	new file mode 100644
	index 00000000..675102f9
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-private.h
	@@ -0,0 +1,234 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_CLUSTER_PRIVATE_H
	+#define MONGOC_CLUSTER_PRIVATE_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-array-private.h"
	+#include "mongoc-buffer-private.h"
	+#include "mongoc-config.h"
	+#include "mongoc-client.h"
	+#include "mongoc-list-private.h"
	+#include "mongoc-opcode.h"
	+#include "mongoc-rpc-private.h"
	+#include "mongoc-server-stream-private.h"
	+#include "mongoc-set-private.h"
	+#include "mongoc-stream.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-topology-description-private.h"
	+#include "mongoc-write-concern.h"
	+#include "mongoc-scram-private.h"
	+#include "mongoc-cmd-private.h"
	+#include "mongoc-crypto-private.h"
	+
	+BSON_BEGIN_DECLS
	+
	+
	+typedef struct _mongoc_cluster_node_t {
	+ mongoc_stream_t *stream;
	+ char *connection_address;
	+ /* handshake_sd is a server description created from the handshake on the
	+ * stream. */
	+ mongoc_server_description_t *handshake_sd;
	+} mongoc_cluster_node_t;
	+
	+typedef struct _mongoc_cluster_t {
	+ int64_t operation_id;
	+ uint32_t request_id;
	+ uint32_t sockettimeoutms;
	+ uint32_t socketcheckintervalms;
	+ mongoc_uri_t *uri;
	+ unsigned requires_auth : 1;
	+
	+ mongoc_client_t *client;
	+
	+ mongoc_set_t *nodes;
	+ mongoc_array_t iov;
	+
	+ mongoc_scram_cache_t *scram_cache;
	+} mongoc_cluster_t;
	+
	+
	+void
	+mongoc_cluster_init (mongoc_cluster_t *cluster,
	+ const mongoc_uri_t *uri,
	+ void *client);
	+
	+void
	+mongoc_cluster_destroy (mongoc_cluster_t *cluster);
	+
	+void
	+mongoc_cluster_disconnect_node (mongoc_cluster_t *cluster, uint32_t id);
	+
	+int32_t
	+mongoc_cluster_get_max_bson_obj_size (mongoc_cluster_t *cluster);
	+
	+int32_t
	+mongoc_cluster_get_max_msg_size (mongoc_cluster_t *cluster);
	+
	+size_t
	+_mongoc_cluster_buffer_iovec (mongoc_iovec_t *iov,
	+ size_t iovcnt,
	+ int skip,
	+ char *buffer);
	+
	+bool
	+mongoc_cluster_check_interval (mongoc_cluster_t *cluster, uint32_t server_id);
	+
	+bool
	+mongoc_cluster_legacy_rpc_sendv_to_server (
	+ mongoc_cluster_t *cluster,
	+ mongoc_rpc_t *rpcs,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error);
	+
	+bool
	+mongoc_cluster_try_recv (mongoc_cluster_t *cluster,
	+ mongoc_rpc_t *rpc,
	+ mongoc_buffer_t *buffer,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Obtain a server stream appropriate for read operations on the
	+ * cluster.
	+ *
	+ * Returns a new stream (that must be freed) or NULL and sets an error via
	+ * `error`.
	+ *
	+ * @note The returned stream must be released via
	+ * `mongoc_server_stream_cleanup`.
	+ *
	+ * @note May add nodes and/or update the cluster's topology.
	+ */
	+mongoc_server_stream_t *
	+mongoc_cluster_stream_for_reads (mongoc_cluster_t *cluster,
	+ const mongoc_read_prefs_t *read_prefs,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bool is_aggr_with_write,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Obtain a server stream appropriate for write operations on the
	+ * cluster.
	+ *
	+ * Returns a new stream (that must be freed) or NULL and sets an error via
	+ * `error`.
	+ *
	+ * @note The returned stream must be released via `mongoc_server_stream_cleanup`
	+ *
	+ * @note May add nodes and/or update the cluster's topology.
	+ */
	+mongoc_server_stream_t *
	+mongoc_cluster_stream_for_writes (mongoc_cluster_t *cluster,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Obtain a server stream associated with the cluster node associated
	+ * with the given server ID.
	+ *
	+ * Returns a new server stream (that must be freed) or NULL and sets `error`.
	+ *
	+ * @param server_id The ID of a server in the cluster topology.
	+ * @param reconnect_ok If `true`, the server exists in the topology but is not
	+ * connected, then attempt to reconnect with the server. If `false`, then only
	+ * create a stream if the server is connected and ready.
	+ *
	+ * @note The returned stream must be released via `mongoc_server_stream_cleanup`
	+ *
	+ * @note May update the cluster's topology.
	+ */
	+mongoc_server_stream_t *
	+mongoc_cluster_stream_for_server (mongoc_cluster_t *cluster,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+bool
	+mongoc_cluster_stream_valid (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream);
	+
	+bool
	+mongoc_cluster_run_command_monitored (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+bool
	+mongoc_cluster_run_command_parts (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ mongoc_cmd_parts_t *parts,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+bool
	+mongoc_cluster_run_command_private (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+void
	+_mongoc_cluster_build_sasl_start (bson_t *cmd,
	+ const char *mechanism,
	+ const char *buf,
	+ uint32_t buflen);
	+
	+void
	+_mongoc_cluster_build_sasl_continue (bson_t *cmd,
	+ int conv_id,
	+ const char *buf,
	+ uint32_t buflen);
	+
	+int
	+_mongoc_cluster_get_conversation_id (const bson_t *reply);
	+
	+mongoc_server_stream_t *
	+_mongoc_cluster_create_server_stream (const mongoc_topology_description_t *td,
	+ const mongoc_server_description_t *sd,
	+ mongoc_stream_t *stream);
	+
	+bool
	+_mongoc_cluster_get_auth_cmd_x509 (const mongoc_uri_t *uri,
	+ const mongoc_ssl_opt_t *ssl_opts,
	+ bson_t cmd / OUT */,
	+ bson_error_t error / OUT */);
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+void
	+_mongoc_cluster_init_scram (const mongoc_cluster_t *cluster,
	+ mongoc_scram_t *scram,
	+ mongoc_crypto_hash_algorithm_t algo);
	+
	+bool
	+_mongoc_cluster_get_auth_cmd_scram (mongoc_crypto_hash_algorithm_t algo,
	+ mongoc_scram_t *scram,
	+ bson_t cmd / OUT */,
	+ bson_error_t error / OUT */);
	+#endif /* MONGOC_ENABLE_CRYPTO */
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_CLUSTER_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sasl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster-sspi.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster.c
	new file mode 100644
	index 00000000..82cfe44d
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cluster.c
	@@ -0,0 +1,3560 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc-config.h"
	+
	+#include <string.h>
	+
	+#include "mongoc-cluster-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-client-side-encryption-private.h"
	+#include "mongoc-counters-private.h"
	+#include "mongoc-config.h"
	+#include "mongoc-error.h"
	+#include "mongoc-flags-private.h"
	+#include "mongoc-host-list-private.h"
	+#include "mongoc-log.h"
	+#include "mongoc-cluster-sasl-private.h"
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-ssl.h"
	+#include "mongoc-ssl-private.h"
	+#include "mongoc-stream-tls.h"
	+#endif
	+#include "common-b64-private.h"
	+#include "mongoc-scram-private.h"
	+#include "mongoc-set-private.h"
	+#include "mongoc-socket.h"
	+#include "mongoc-stream-private.h"
	+#include "mongoc-stream-socket.h"
	+#include "mongoc-stream-tls.h"
	+#include "mongoc-thread-private.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-topology-background-monitoring-private.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-write-concern-private.h"
	+#include "mongoc-uri-private.h"
	+#include "mongoc-rpc-private.h"
	+#include "mongoc-compression-private.h"
	+#include "mongoc-cmd-private.h"
	+#include "utlist.h"
	+#include "mongoc-handshake-private.h"
	+#include "mongoc-cluster-aws-private.h"
	+#include "mongoc-error-private.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "cluster"
	+
	+
	+#define CHECK_CLOSED_DURATION_MSEC 1000
	+
	+#define IS_NOT_COMMAND(_name) (!!strcasecmp (cmd->command_name, _name))
	+
	+static mongoc_server_stream_t *
	+_cluster_fetch_stream_single (mongoc_cluster_t *cluster,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ bson_error_t *error);
	+
	+static mongoc_server_stream_t *
	+_cluster_fetch_stream_pooled (mongoc_cluster_t *cluster,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ bson_error_t *error);
	+
	+static bool
	+mongoc_cluster_run_opmsg (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error);
	+
	+static void
	+_bson_error_message_printf (bson_error_t error, const char format, ...)
	+ BSON_GNUC_PRINTF (2, 3);
	+
	+static void
	+_handle_not_primary_error (mongoc_cluster_t *cluster,
	+ const mongoc_server_stream_t *server_stream,
	+ const bson_t *reply)
	+{
	+ uint32_t server_id;
	+
	+ server_id = server_stream->sd->id;
	+ if (_mongoc_topology_handle_app_error (cluster->client->topology,
	+ server_id,
	+ true /* handshake complete */,
	+ MONGOC_SDAM_APP_ERROR_COMMAND,
	+ reply,
	+ NULL,
	+ server_stream->sd->max_wire_version,
	+ server_stream->sd->generation,
	+ &server_stream->sd->service_id)) {
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+ }
	+}
	+
	+/* Called when a network error occurs on an application socket.
	+ */
	+static void
	+_handle_network_error (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ bool handshake_complete,
	+ const bson_error_t *why)
	+{
	+ mongoc_topology_t *topology;
	+ uint32_t server_id;
	+ _mongoc_sdam_app_error_type_t type;
	+
	+ BSON_ASSERT (server_stream);
	+
	+ ENTRY;
	+ topology = cluster->client->topology;
	+ server_id = server_stream->sd->id;
	+ type = MONGOC_SDAM_APP_ERROR_NETWORK;
	+ if (mongoc_stream_timed_out (server_stream->stream)) {
	+ type = MONGOC_SDAM_APP_ERROR_TIMEOUT;
	+ }
	+
	+ _mongoc_topology_handle_app_error (topology,
	+ server_id,
	+ handshake_complete,
	+ type,
	+ NULL,
	+ why,
	+ server_stream->sd->max_wire_version,
	+ server_stream->sd->generation,
	+ &server_stream->sd->service_id);
	+ /* Always disconnect the current connection on network error. */
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+
	+ EXIT;
	+}
	+
	+
	+size_t
	+_mongoc_cluster_buffer_iovec (mongoc_iovec_t *iov,
	+ size_t iovcnt,
	+ int skip,
	+ char *buffer)
	+{
	+ int n;
	+ size_t buffer_offset = 0;
	+ int total_iov_len = 0;
	+ int difference = 0;
	+
	+ for (n = 0; n < iovcnt; n++) {
	+ total_iov_len += iov[n].iov_len;
	+
	+ if (total_iov_len <= skip) {
	+ continue;
	+ }
	+
	+ /* If this iovec starts before the skip, and takes the total count
	+ * beyond the skip, we need to figure out the portion of the iovec
	+ * we should skip passed */
	+ if (total_iov_len - iov[n].iov_len < skip) {
	+ difference = skip - (total_iov_len - iov[n].iov_len);
	+ } else {
	+ difference = 0;
	+ }
	+
	+ memcpy (buffer + buffer_offset,
	+ ((char *) iov[n].iov_base) + difference,
	+ iov[n].iov_len - difference);
	+ buffer_offset += iov[n].iov_len - difference;
	+ }
	+
	+ return buffer_offset;
	+}
	+
	+/* Allows caller to safely overwrite error->message with a formatted string,
	+ * even if the formatted string includes original error->message. */
	+static void
	+_bson_error_message_printf (bson_error_t error, const char format, ...)
	+{
	+ va_list args;
	+ char error_message[sizeof error->message];
	+
	+ if (error) {
	+ va_start (args, format);
	+ bson_vsnprintf (error_message, sizeof error->message, format, args);
	+ va_end (args);
	+
	+ bson_strncpy (error->message, error_message, sizeof error->message);
	+ }
	+}
	+
	+#define RUN_CMD_ERR_DECORATE \
	+ do { \
	+ _bson_error_message_printf ( \
	+ error, \
	+ "Failed to send \"%s\" command with database \"%s\": %s", \
	+ cmd->command_name, \
	+ cmd->db_name, \
	+ error->message); \
	+ } while (0)
	+
	+#define RUN_CMD_ERR(_domain, _code, ...) \
	+ do { \
	+ bson_set_error (error, _domain, _code, __VA_ARGS__); \
	+ RUN_CMD_ERR_DECORATE; \
	+ } while (0)
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_run_command_opquery --
	+ *
	+ * Internal function to run a command on a given stream. @error and
	+ * @reply are optional out-pointers.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @reply is set and should ALWAYS be released with bson_destroy().
	+ * On failure, @error is filled out. If this was a network error
	+ * and server_id is nonzero, the cluster disconnects from the server.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+mongoc_cluster_run_command_opquery (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ int32_t compressor_id,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ const size_t reply_header_size = sizeof (mongoc_rpc_reply_header_t);
	+ uint8_t reply_header_buf[sizeof (mongoc_rpc_reply_header_t)];
	+ uint8_t reply_buf; / reply body */
	+ mongoc_rpc_t rpc; /* sent to server */
	+ bson_t reply_local;
	+ bson_t *reply_ptr;
	+ char *cmd_ns;
	+ uint32_t request_id;
	+ int32_t msg_len;
	+ size_t doc_len;
	+ bool ret = false;
	+ char *output = NULL;
	+ mongoc_stream_t *stream;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (cmd);
	+ BSON_ASSERT (cmd->server_stream);
	+
	+ stream = cmd->server_stream->stream;
	+ /*
	+ * setup
	+ */
	+ reply_ptr = reply ? reply : &reply_local;
	+ bson_init (reply_ptr);
	+
	+ error->code = 0;
	+
	+ /*
	+ * prepare the request
	+ */
	+
	+ _mongoc_array_clear (&cluster->iov);
	+
	+ cmd_ns = bson_strdup_printf ("%s.$cmd", cmd->db_name);
	+ request_id = ++cluster->request_id;
	+ _mongoc_rpc_prep_command (&rpc, cmd_ns, cmd);
	+ rpc.header.request_id = request_id;
	+
	+ _mongoc_rpc_gather (&rpc, &cluster->iov);
	+ _mongoc_rpc_swab_to_le (&rpc);
	+
	+ if (compressor_id != -1 && IS_NOT_COMMAND (HANDSHAKE_CMD_LEGACY_HELLO) &&
	+ IS_NOT_COMMAND ("hello") && IS_NOT_COMMAND ("saslstart") &&
	+ IS_NOT_COMMAND ("saslcontinue") && IS_NOT_COMMAND ("getnonce") &&
	+ IS_NOT_COMMAND ("authenticate") && IS_NOT_COMMAND ("createuser") &&
	+ IS_NOT_COMMAND ("updateuser")) {
	+ output = _mongoc_rpc_compress (cluster, compressor_id, &rpc, error);
	+ if (output == NULL) {
	+ GOTO (done);
	+ }
	+ }
	+
	+ if (cluster->client->in_exhaust) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_IN_EXHAUST,
	+ "A cursor derived from this client is in exhaust.");
	+ GOTO (done);
	+ }
	+
	+ /*
	+ * send and receive
	+ */
	+ if (!_mongoc_stream_writev_full (stream,
	+ cluster->iov.data,
	+ cluster->iov.len,
	+ cluster->sockettimeoutms,
	+ error)) {
	+ _handle_network_error (
	+ cluster, cmd->server_stream, true /* handshake complete */, error);
	+
	+ /* add info about the command to writev_full's error message */
	+ RUN_CMD_ERR_DECORATE;
	+ GOTO (done);
	+ }
	+
	+ if (reply_header_size != mongoc_stream_read (stream,
	+ &reply_header_buf,
	+ reply_header_size,
	+ reply_header_size,
	+ cluster->sockettimeoutms)) {
	+ RUN_CMD_ERR (MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "socket error or timeout");
	+
	+ _handle_network_error (
	+ cluster, cmd->server_stream, true /* handshake complete */, error);
	+ GOTO (done);
	+ }
	+
	+ memcpy (&msg_len, reply_header_buf, 4);
	+ msg_len = BSON_UINT32_FROM_LE (msg_len);
	+ if ((msg_len < reply_header_size) \|\|
	+ (msg_len > MONGOC_DEFAULT_MAX_MSG_SIZE)) {
	+ _handle_network_error (
	+ cluster, cmd->server_stream, true /* handshake complete */, error);
	+ GOTO (done);
	+ }
	+
	+ if (!_mongoc_rpc_scatter_reply_header_only (
	+ &rpc, reply_header_buf, reply_header_size)) {
	+ _handle_network_error (
	+ cluster, cmd->server_stream, true /* handshake complete */, error);
	+ GOTO (done);
	+ }
	+ doc_len = (size_t) msg_len - reply_header_size;
	+
	+ if (BSON_UINT32_FROM_LE (rpc.header.opcode) == MONGOC_OPCODE_COMPRESSED) {
	+ bson_t tmp = BSON_INITIALIZER;
	+ uint8_t *buf = NULL;
	+ size_t len = BSON_UINT32_FROM_LE (rpc.compressed.uncompressed_size) +
	+ sizeof (mongoc_rpc_header_t);
	+
	+ reply_buf = bson_malloc0 (msg_len);
	+ memcpy (reply_buf, reply_header_buf, reply_header_size);
	+
	+ if (doc_len != mongoc_stream_read (stream,
	+ reply_buf + reply_header_size,
	+ doc_len,
	+ doc_len,
	+ cluster->sockettimeoutms)) {
	+ RUN_CMD_ERR (MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "socket error or timeout");
	+ _handle_network_error (
	+ cluster, cmd->server_stream, true /* handshake complete */, error);
	+ GOTO (done);
	+ }
	+ if (!_mongoc_rpc_scatter (&rpc, reply_buf, msg_len)) {
	+ GOTO (done);
	+ }
	+
	+ buf = bson_malloc0 (len);
	+ if (!_mongoc_rpc_decompress (&rpc, buf, len)) {
	+ RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Could not decompress server reply");
	+ bson_free (reply_buf);
	+ bson_free (buf);
	+ GOTO (done);
	+ }
	+
	+ _mongoc_rpc_swab_from_le (&rpc);
	+
	+ if (!_mongoc_rpc_get_first_document (&rpc, &tmp)) {
	+ RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Corrupt compressed OP_QUERY reply from server");
	+ bson_free (reply_buf);
	+ bson_free (buf);
	+ GOTO (done);
	+ }
	+ bson_copy_to (&tmp, reply_ptr);
	+ bson_free (reply_buf);
	+ bson_free (buf);
	+ } else if (BSON_UINT32_FROM_LE (rpc.header.opcode) == MONGOC_OPCODE_REPLY &&
	+ BSON_UINT32_FROM_LE (rpc.reply_header.n_returned) == 1) {
	+ reply_buf = bson_reserve_buffer (reply_ptr, (uint32_t) doc_len);
	+ BSON_ASSERT (reply_buf);
	+
	+ if (doc_len != mongoc_stream_read (stream,
	+ (void *) reply_buf,
	+ doc_len,
	+ doc_len,
	+ cluster->sockettimeoutms)) {
	+ RUN_CMD_ERR (MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "socket error or timeout");
	+ _handle_network_error (
	+ cluster, cmd->server_stream, true /* handshake complete */, error);
	+ GOTO (done);
	+ }
	+ _mongoc_rpc_swab_from_le (&rpc);
	+ } else {
	+ GOTO (done);
	+ }
	+
	+ if (!_mongoc_cmd_check_ok (
	+ reply_ptr, cluster->client->error_api_version, error)) {
	+ GOTO (done);
	+ }
	+
	+ ret = true;
	+
	+done:
	+
	+ if (!ret && error->code == 0) {
	+ /* generic error */
	+ RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Invalid reply from server.");
	+ }
	+
	+ if (reply_ptr == &reply_local) {
	+ bson_destroy (reply_ptr);
	+ }
	+ bson_free (output);
	+ bson_free (cmd_ns);
	+
	+ RETURN (ret);
	+}
	+
	+bool
	+_in_sharded_txn (const mongoc_client_session_t *session)
	+{
	+ return session && _mongoc_client_session_in_txn_or_ending (session) &&
	+ _mongoc_topology_get_type (session->client->topology) ==
	+ MONGOC_TOPOLOGY_SHARDED;
	+}
	+
	+static void
	+_handle_txn_error_labels (bool cmd_ret,
	+ const bson_error_t *cmd_err,
	+ const mongoc_cmd_t *cmd,
	+ bson_t *reply)
	+{
	+ if (!cmd->is_txn_finish) {
	+ return;
	+ }
	+
	+ _mongoc_write_error_handle_labels (
	+ cmd_ret, cmd_err, reply, cmd->server_stream->sd->max_wire_version);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_run_command_monitored --
	+ *
	+ * Internal function to run a command on a given stream.
	+ * @error and @reply are optional out-pointers.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * If the client's APM callbacks are set, they are executed.
	+ * @reply is set and should ALWAYS be released with bson_destroy().
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_run_command_monitored (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ bool retval;
	+ uint32_t request_id = ++cluster->request_id;
	+ uint32_t server_id;
	+ mongoc_apm_callbacks_t *callbacks;
	+ mongoc_apm_command_started_t started_event;
	+ mongoc_apm_command_succeeded_t succeeded_event;
	+ mongoc_apm_command_failed_t failed_event;
	+ int64_t started = bson_get_monotonic_time ();
	+ const mongoc_server_stream_t *server_stream;
	+ bson_t reply_local;
	+ bson_error_t error_local;
	+ int32_t compressor_id;
	+ bson_iter_t iter;
	+ bson_t encrypted = BSON_INITIALIZER;
	+ bson_t decrypted = BSON_INITIALIZER;
	+ mongoc_cmd_t encrypted_cmd;
	+ bool is_redacted = false;
	+
	+ server_stream = cmd->server_stream;
	+ server_id = server_stream->sd->id;
	+ compressor_id = mongoc_server_description_compressor_id (server_stream->sd);
	+
	+ callbacks = &cluster->client->apm_callbacks;
	+ if (!reply) {
	+ reply = &reply_local;
	+ }
	+ if (!error) {
	+ error = &error_local;
	+ }
	+
	+ if (_mongoc_cse_is_enabled (cluster->client)) {
	+ bson_destroy (&encrypted);
	+
	+ retval = _mongoc_cse_auto_encrypt (
	+ cluster->client, cmd, &encrypted_cmd, &encrypted, error);
	+ cmd = &encrypted_cmd;
	+ if (!retval) {
	+ bson_init (reply);
	+ goto fail_no_events;
	+ }
	+ }
	+
	+ if (callbacks->started) {
	+ mongoc_apm_command_started_init_with_cmd (&started_event,
	+ cmd,
	+ request_id,
	+ &is_redacted,
	+ cluster->client->apm_context);
	+
	+ callbacks->started (&started_event);
	+ mongoc_apm_command_started_cleanup (&started_event);
	+ }
	+
	+ if (server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG) {
	+ retval = mongoc_cluster_run_opmsg (cluster, cmd, reply, error);
	+ } else {
	+ retval = mongoc_cluster_run_command_opquery (
	+ cluster, cmd, compressor_id, reply, error);
	+ }
	+
	+ if (_mongoc_cse_is_enabled (cluster->client)) {
	+ bson_destroy (&decrypted);
	+ retval = _mongoc_cse_auto_decrypt (
	+ cluster->client, cmd->db_name, reply, &decrypted, error);
	+ bson_destroy (reply);
	+ bson_steal (reply, &decrypted);
	+ bson_init (&decrypted);
	+ if (!retval) {
	+ goto fail_no_events;
	+ }
	+ }
	+
	+ if (retval && callbacks->succeeded) {
	+ bson_t fake_reply = BSON_INITIALIZER;
	+ /*
	+ * Unacknowledged writes must provide a CommandSucceededEvent with an
	+ * {ok: 1} reply.
	+ * https://github.com/mongodb/specifications/blob/master/source/command-monitoring/command-monitoring.rst#unacknowledged-acknowledged-writes
	+ */
	+ if (!cmd->is_acknowledged) {
	+ bson_append_int32 (&fake_reply, "ok", 2, 1);
	+ }
	+ mongoc_apm_command_succeeded_init (&succeeded_event,
	+ bson_get_monotonic_time () - started,
	+ cmd->is_acknowledged ? reply
	+ : &fake_reply,
	+ cmd->command_name,
	+ request_id,
	+ cmd->operation_id,
	+ &server_stream->sd->host,
	+ server_id,
	+ &server_stream->sd->service_id,
	+ is_redacted,
	+ cluster->client->apm_context);
	+
	+ callbacks->succeeded (&succeeded_event);
	+ mongoc_apm_command_succeeded_cleanup (&succeeded_event);
	+ bson_destroy (&fake_reply);
	+ }
	+ if (!retval && callbacks->failed) {
	+ mongoc_apm_command_failed_init (&failed_event,
	+ bson_get_monotonic_time () - started,
	+ cmd->command_name,
	+ error,
	+ reply,
	+ request_id,
	+ cmd->operation_id,
	+ &server_stream->sd->host,
	+ server_id,
	+ &server_stream->sd->service_id,
	+ is_redacted,
	+ cluster->client->apm_context);
	+
	+ callbacks->failed (&failed_event);
	+ mongoc_apm_command_failed_cleanup (&failed_event);
	+ }
	+
	+ _handle_not_primary_error (cluster, server_stream, reply);
	+
	+ _handle_txn_error_labels (retval, error, cmd, reply);
	+
	+ if (retval && _in_sharded_txn (cmd->session) &&
	+ bson_iter_init_find (&iter, reply, "recoveryToken")) {
	+ bson_destroy (cmd->session->recovery_token);
	+ if (BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ cmd->session->recovery_token =
	+ bson_new_from_data (bson_iter_value (&iter)->value.v_doc.data,
	+ bson_iter_value (&iter)->value.v_doc.data_len);
	+ } else {
	+ MONGOC_ERROR ("Malformed recovery token from server");
	+ cmd->session->recovery_token = NULL;
	+ }
	+ }
	+
	+fail_no_events:
	+ if (reply == &reply_local) {
	+ bson_destroy (&reply_local);
	+ }
	+
	+ bson_destroy (&encrypted);
	+ bson_destroy (&decrypted);
	+
	+ _mongoc_topology_update_last_used (cluster->client->topology, server_id);
	+
	+ return retval;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_run_command_private --
	+ *
	+ * Internal function to run a command on a given stream.
	+ * @error and @reply are optional out-pointers.
	+ * The client's APM callbacks are not executed.
	+ * Automatic encryption/decryption is not performed.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @reply is set and should ALWAYS be released with bson_destroy().
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_run_command_private (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ bool retval;
	+ const mongoc_server_stream_t *server_stream;
	+ bson_t reply_local;
	+ bson_error_t error_local;
	+
	+ if (!error) {
	+ error = &error_local;
	+ }
	+
	+ if (!reply) {
	+ reply = &reply_local;
	+ }
	+ server_stream = cmd->server_stream;
	+ if (server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG) {
	+ retval = mongoc_cluster_run_opmsg (cluster, cmd, reply, error);
	+ } else {
	+ retval =
	+ mongoc_cluster_run_command_opquery (cluster, cmd, -1, reply, error);
	+ }
	+ _handle_not_primary_error (cluster, server_stream, reply);
	+ if (reply == &reply_local) {
	+ bson_destroy (&reply_local);
	+ }
	+
	+ _mongoc_topology_update_last_used (cluster->client->topology,
	+ server_stream->sd->id);
	+
	+ return retval;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_run_command_parts --
	+ *
	+ * Internal function to assemble command parts and run a command
	+ * on a given stream. @error and @reply are optional out-pointers.
	+ * The client's APM callbacks are not executed.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @reply is set and should ALWAYS be released with bson_destroy().
	+ * mongoc_cmd_parts_cleanup will be always be called on parts. The
	+ * caller should not call cleanup on the parts.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_run_command_parts (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream,
	+ mongoc_cmd_parts_t *parts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ bool ret;
	+
	+ if (!mongoc_cmd_parts_assemble (parts, server_stream, error)) {
	+ _mongoc_bson_init_if_set (reply);
	+ mongoc_cmd_parts_cleanup (parts);
	+ return false;
	+ }
	+
	+ ret = mongoc_cluster_run_command_private (
	+ cluster, &parts->assembled, reply, error);
	+ mongoc_cmd_parts_cleanup (parts);
	+ return ret;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _stream_run_hello --
	+ *
	+ * Run a hello command on the given stream. If
	+ * @negotiate_sasl_supported_mechs is true, then saslSupportedMechs is
	+ * added to the hello command.
	+ *
	+ * Returns:
	+ * A mongoc_server_description_t you must destroy or NULL. If the call
	+ * failed its error is set and its type is MONGOC_SERVER_UNKNOWN.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static mongoc_server_description_t *
	+_stream_run_hello (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ const char *address,
	+ uint32_t server_id,
	+ bool negotiate_sasl_supported_mechs,
	+ mongoc_scram_cache_t *scram_cache,
	+ mongoc_scram_t *scram,
	+ bson_t speculative_auth_response / OUT */,
	+ bson_error_t *error)
	+{
	+ bson_t command; /* Initialized by dup_handshake below */
	+ mongoc_cmd_t hello_cmd;
	+ bson_t reply;
	+ int64_t start;
	+ int64_t rtt_msec;
	+ mongoc_server_description_t empty_sd;
	+ mongoc_server_description_t *ret_handshake_sd;
	+ mongoc_server_stream_t *server_stream;
	+ bool r;
	+ bson_iter_t iter;
	+ mongoc_ssl_opt_t *ssl_opts = NULL;
	+ mc_shared_tpld td =
	+ mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (stream);
	+
	+ _mongoc_topology_dup_handshake_cmd (cluster->client->topology, &command);
	+
	+ if (cluster->requires_auth && speculative_auth_response) {
	+#ifdef MONGOC_ENABLE_SSL
	+ ssl_opts = &cluster->client->ssl_opts;
	+#endif
	+
	+ _mongoc_topology_scanner_add_speculative_authentication (
	+ &command, cluster->uri, ssl_opts, scram_cache, scram);
	+ }
	+
	+ if (negotiate_sasl_supported_mechs) {
	+ _mongoc_handshake_append_sasl_supported_mechs (cluster->uri, &command);
	+ }
	+
	+ start = bson_get_monotonic_time ();
	+ /* TODO CDRIVER-3654: do not use a mongoc_server_stream here.
	+ * Instead, use a plain stream. If a network error occurs, check the cluster
	+ * node's generation (which is the generation of the created connection) to
	+ * determine if the error should be handled.
	+ * The current behavior may double invalidate.
	+ * If a network error occurs in mongoc_cluster_run_command_private below,
	+ * that invalidates (thinking the error is a post-handshake network error).
	+ * Then _mongoc_cluster_stream_for_server also handles the error, and
	+ * invalidates again.
	+ */
	+ mongoc_server_description_init (&empty_sd, address, server_id);
	+ server_stream =
	+ _mongoc_cluster_create_server_stream (td.ptr, &empty_sd, stream);
	+ mongoc_server_description_cleanup (&empty_sd);
	+
	+ /* Always use OP_QUERY for the handshake, regardless of whether the last
	+ * known hello indicates the server supports a newer wire protocol.
	+ */
	+ memset (&hello_cmd, 0, sizeof (hello_cmd));
	+ hello_cmd.db_name = "admin";
	+ hello_cmd.command = &command;
	+ hello_cmd.command_name = _mongoc_get_command_name (&command);
	+ hello_cmd.query_flags = MONGOC_QUERY_SECONDARY_OK;
	+ hello_cmd.server_stream = server_stream;
	+
	+ if (!mongoc_cluster_run_command_private (
	+ cluster, &hello_cmd, &reply, error)) {
	+ if (negotiate_sasl_supported_mechs) {
	+ if (bson_iter_init_find (&iter, &reply, "ok") &&
	+ !bson_iter_as_bool (&iter)) {
	+ /* hello response returned ok: 0. According to auth spec: "If the
	+ * hello of the MongoDB Handshake fails with an error, drivers
	+ * MUST treat this an authentication error." */
	+ error->domain = MONGOC_ERROR_CLIENT;
	+ error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	+ }
	+ }
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+ ret_handshake_sd = NULL;
	+ goto done;
	+ }
	+
	+ rtt_msec = (bson_get_monotonic_time () - start) / 1000;
	+
	+ ret_handshake_sd = (mongoc_server_description_t *) bson_malloc0 (
	+ sizeof (mongoc_server_description_t));
	+
	+ mongoc_server_description_init (ret_handshake_sd, address, server_id);
	+ /* send the error from run_command IN to handle_hello */
	+ mongoc_server_description_handle_hello (
	+ ret_handshake_sd, &reply, rtt_msec, error);
	+
	+ if (cluster->requires_auth && speculative_auth_response) {
	+ _mongoc_topology_scanner_parse_speculative_authentication (
	+ &reply, speculative_auth_response);
	+ }
	+
	+ /* Note: This call will render our copy of the topology description to be
	+ * stale */
	+ r = _mongoc_topology_update_from_handshake (cluster->client->topology,
	+ ret_handshake_sd);
	+ if (!r) {
	+ mongoc_server_description_reset (ret_handshake_sd);
	+ bson_set_error (&ret_handshake_sd->error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	+ "\"%s\" removed from topology",
	+ address);
	+ }
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+done:
	+ bson_destroy (&command);
	+ bson_destroy (&reply);
	+ mc_tpld_drop_ref (&td);
	+
	+ RETURN (ret_handshake_sd);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_run_hello --
	+ *
	+ * Run an initial hello command for the given node and handle result.
	+ *
	+ * Returns:
	+ * mongoc_server_description_t on success, NULL otherwise.
	+ * the mongoc_server_description_t MUST BE DESTROYED BY THE CALLER.
	+ *
	+ * Side effects:
	+ * Makes a blocking I/O call, updates cluster->topology->description
	+ * with hello result.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static mongoc_server_description_t *
	+_cluster_run_hello (mongoc_cluster_t *cluster,
	+ mongoc_cluster_node_t *node,
	+ uint32_t server_id,
	+ mongoc_scram_cache_t *scram_cache,
	+ mongoc_scram_t scram / OUT */,
	+ bson_t speculative_auth_response / OUT */,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_server_description_t *sd;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (node);
	+ BSON_ASSERT (node->stream);
	+
	+ sd = _stream_run_hello (cluster,
	+ node->stream,
	+ node->connection_address,
	+ server_id,
	+ _mongoc_uri_requires_auth_negotiation (cluster->uri),
	+ scram_cache,
	+ scram,
	+ speculative_auth_response,
	+ error);
	+
	+ if (!sd) {
	+ return NULL;
	+ }
	+
	+ if (sd->type == MONGOC_SERVER_UNKNOWN) {
	+ memcpy (error, &sd->error, sizeof (bson_error_t));
	+ mongoc_server_description_destroy (sd);
	+ return NULL;
	+ }
	+
	+ return sd;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_build_basic_auth_digest --
	+ *
	+ * Computes the Basic Authentication digest using the credentials
	+ * configured for @cluster and the @nonce provided.
	+ *
	+ * The result should be freed by the caller using bson_free() when
	+ * they are finished with it.
	+ *
	+ * Returns:
	+ * A newly allocated string containing the digest.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static char *
	+_mongoc_cluster_build_basic_auth_digest (mongoc_cluster_t *cluster,
	+ const char *nonce)
	+{
	+ const char *username;
	+ const char *password;
	+ char *password_digest;
	+ char *password_md5;
	+ char *digest_in;
	+ char *ret;
	+
	+ ENTRY;
	+
	+ /*
	+ * The following generates the digest to be used for basic authentication
	+ * with a MongoDB server. More information on the format can be found
	+ * at the following location:
	+ *
	+ * http://docs.mongodb.org/meta-driver/latest/legacy/
	+ * implement-authentication-in-driver/
	+ */
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (cluster->uri);
	+
	+ username = mongoc_uri_get_username (cluster->uri);
	+ password = mongoc_uri_get_password (cluster->uri);
	+ password_digest = bson_strdup_printf ("%s:mongo:%s", username, password);
	+ password_md5 = _mongoc_hex_md5 (password_digest);
	+ digest_in = bson_strdup_printf ("%s%s%s", nonce, username, password_md5);
	+ ret = _mongoc_hex_md5 (digest_in);
	+ bson_free (digest_in);
	+ bson_free (password_md5);
	+ bson_free (password_digest);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_auth_node_cr --
	+ *
	+ * Performs authentication of @node using the credentials provided
	+ * when configuring the @cluster instance.
	+ *
	+ * This is the Challenge-Response mode of authentication.
	+ *
	+ * Returns:
	+ * true if authentication was successful; otherwise false and
	+ * @error is set.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_auth_node_cr (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *sd,
	+ bson_error_t *error)
	+{
	+ mongoc_cmd_parts_t parts;
	+ bson_iter_t iter;
	+ const char *auth_source;
	+ bson_t command;
	+ bson_t reply;
	+ char *digest;
	+ char *nonce;
	+ bool ret;
	+ mongoc_server_stream_t *server_stream;
	+ mc_shared_tpld td;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (stream);
	+
	+ if (!(auth_source = mongoc_uri_get_auth_source (cluster->uri)) \|\|
	+ (*auth_source == '\0')) {
	+ auth_source = "admin";
	+ }
	+
	+ /*
	+ * To authenticate a node using basic authentication, we need to first
	+ * get the nonce from the server. We use that to hash our password which
	+ * is sent as a reply to the server. If everything went good we get a
	+ * success notification back from the server.
	+ */
	+
	+ /*
	+ * Execute the getnonce command to fetch the nonce used for generating
	+ * md5 digest of our password information.
	+ */
	+ bson_init (&command);
	+ bson_append_int32 (&command, "getnonce", 8, 1);
	+ mongoc_cmd_parts_init (&parts,
	+ cluster->client,
	+ auth_source,
	+ MONGOC_QUERY_SECONDARY_OK,
	+ &command);
	+ parts.prohibit_lsid = true;
	+
	+ td = mc_tpld_take_ref (cluster->client->topology);
	+ server_stream = _mongoc_cluster_create_server_stream (td.ptr, sd, stream);
	+ mc_tpld_drop_ref (&td);
	+
	+ if (!mongoc_cluster_run_command_parts (
	+ cluster, server_stream, &parts, &reply, error)) {
	+ mongoc_server_stream_cleanup (server_stream);
	+ bson_destroy (&command);
	+ bson_destroy (&reply);
	+ RETURN (false);
	+ }
	+ bson_destroy (&command);
	+ if (!bson_iter_init_find_case (&iter, &reply, "nonce")) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_GETNONCE,
	+ "Invalid reply from getnonce");
	+ bson_destroy (&reply);
	+ RETURN (false);
	+ }
	+
	+ /*
	+ * Build our command to perform the authentication.
	+ */
	+ nonce = bson_iter_dup_utf8 (&iter, NULL);
	+ digest = _mongoc_cluster_build_basic_auth_digest (cluster, nonce);
	+ bson_init (&command);
	+ bson_append_int32 (&command, "authenticate", 12, 1);
	+ bson_append_utf8 (
	+ &command, "user", 4, mongoc_uri_get_username (cluster->uri), -1);
	+ bson_append_utf8 (&command, "nonce", 5, nonce, -1);
	+ bson_append_utf8 (&command, "key", 3, digest, -1);
	+ bson_destroy (&reply);
	+ bson_free (nonce);
	+ bson_free (digest);
	+
	+ /*
	+ * Execute the authenticate command. mongoc_cluster_run_command_private
	+ * checks for {ok: 1} in the response.
	+ */
	+ mongoc_cmd_parts_init (&parts,
	+ cluster->client,
	+ auth_source,
	+ MONGOC_QUERY_SECONDARY_OK,
	+ &command);
	+ parts.prohibit_lsid = true;
	+ ret = mongoc_cluster_run_command_parts (
	+ cluster, server_stream, &parts, &reply, error);
	+
	+ if (!ret) {
	+ /* error->message is already set */
	+ error->domain = MONGOC_ERROR_CLIENT;
	+ error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	+ }
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+ bson_destroy (&command);
	+ bson_destroy (&reply);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_auth_node_plain --
	+ *
	+ * Perform SASL PLAIN authentication for @node. We do this manually
	+ * instead of using the SASL module because it is rather simplistic.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and error is set.
	+ *
	+ * Side effects:
	+ * error may be set.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_auth_node_plain (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *sd,
	+ bson_error_t *error)
	+{
	+ mongoc_cmd_parts_t parts;
	+ char buf[4096];
	+ int buflen = 0;
	+ const char *username;
	+ const char *password;
	+ bson_t b = BSON_INITIALIZER;
	+ bson_t reply;
	+ size_t len;
	+ char *str;
	+ bool ret;
	+ mongoc_server_stream_t *server_stream;
	+ mc_shared_tpld td;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (stream);
	+
	+ username = mongoc_uri_get_username (cluster->uri);
	+ if (!username) {
	+ username = "";
	+ }
	+
	+ password = mongoc_uri_get_password (cluster->uri);
	+ if (!password) {
	+ password = "";
	+ }
	+
	+ str = bson_strdup_printf ("%c%s%c%s", '\0', username, '\0', password);
	+ len = strlen (username) + strlen (password) + 2;
	+ buflen = COMMON_PREFIX (
	+ bson_b64_ntop ((const uint8_t *) str, len, buf, sizeof buf));
	+ bson_free (str);
	+
	+ if (buflen == -1) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "failed base64 encoding message");
	+ return false;
	+ }
	+
	+ BSON_APPEND_INT32 (&b, "saslStart", 1);
	+ BSON_APPEND_UTF8 (&b, "mechanism", "PLAIN");
	+ bson_append_utf8 (&b, "payload", 7, (const char *) buf, buflen);
	+ BSON_APPEND_INT32 (&b, "autoAuthorize", 1);
	+
	+ mongoc_cmd_parts_init (
	+ &parts, cluster->client, "$external", MONGOC_QUERY_SECONDARY_OK, &b);
	+ parts.prohibit_lsid = true;
	+
	+ td = mc_tpld_take_ref (cluster->client->topology);
	+ server_stream = _mongoc_cluster_create_server_stream (td.ptr, sd, stream);
	+ mc_tpld_drop_ref (&td);
	+
	+ ret = mongoc_cluster_run_command_parts (
	+ cluster, server_stream, &parts, &reply, error);
	+ mongoc_server_stream_cleanup (server_stream);
	+ if (!ret) {
	+ /* error->message is already set */
	+ error->domain = MONGOC_ERROR_CLIENT;
	+ error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	+ }
	+
	+ bson_destroy (&b);
	+ bson_destroy (&reply);
	+
	+ return ret;
	+}
	+
	+bool
	+_mongoc_cluster_get_auth_cmd_x509 (const mongoc_uri_t *uri,
	+ const mongoc_ssl_opt_t *ssl_opts,
	+ bson_t cmd / OUT */,
	+ bson_error_t error / OUT */)
	+{
	+#ifndef MONGOC_ENABLE_SSL
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "The MONGODB-X509 authentication mechanism requires "
	+ "libmongoc built with ENABLE_SSL");
	+ return false;
	+#else
	+ const char *username_from_uri = NULL;
	+ char *username_from_subject = NULL;
	+
	+ BSON_ASSERT (uri);
	+
	+ username_from_uri = mongoc_uri_get_username (uri);
	+ if (username_from_uri) {
	+ TRACE ("%s", "X509: got username from URI");
	+ } else {
	+ if (!ssl_opts \|\| !ssl_opts->pem_file) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "cannot determine username for "
	+ "X-509 authentication.");
	+ return false;
	+ }
	+
	+ username_from_subject =
	+ mongoc_ssl_extract_subject (ssl_opts->pem_file, ssl_opts->pem_pwd);
	+ if (!username_from_subject) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "No username provided for X509 authentication.");
	+ return false;
	+ }
	+
	+ TRACE ("%s", "X509: got username from certificate");
	+ }
	+
	+ bson_init (cmd);
	+ BSON_APPEND_INT32 (cmd, "authenticate", 1);
	+ BSON_APPEND_UTF8 (cmd, "mechanism", "MONGODB-X509");
	+ BSON_APPEND_UTF8 (cmd,
	+ "user",
	+ username_from_uri ? username_from_uri
	+ : username_from_subject);
	+
	+ bson_free (username_from_subject);
	+
	+ return true;
	+#endif
	+}
	+
	+
	+static bool
	+_mongoc_cluster_auth_node_x509 (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *sd,
	+ bson_error_t *error)
	+{
	+#ifndef MONGOC_ENABLE_SSL
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "The MONGODB-X509 authentication mechanism requires "
	+ "libmongoc built with ENABLE_SSL");
	+ return false;
	+#else
	+ mongoc_cmd_parts_t parts;
	+ bson_t cmd;
	+ bson_t reply;
	+ bool ret;
	+ mongoc_server_stream_t *server_stream;
	+ mc_shared_tpld td;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (stream);
	+
	+ if (!_mongoc_cluster_get_auth_cmd_x509 (
	+ cluster->uri, &cluster->client->ssl_opts, &cmd, error)) {
	+ return false;
	+ }
	+
	+ mongoc_cmd_parts_init (
	+ &parts, cluster->client, "$external", MONGOC_QUERY_SECONDARY_OK, &cmd);
	+ parts.prohibit_lsid = true;
	+ td = mc_tpld_take_ref (cluster->client->topology);
	+ server_stream = _mongoc_cluster_create_server_stream (td.ptr, sd, stream);
	+ mc_tpld_drop_ref (&td);
	+
	+ ret = mongoc_cluster_run_command_parts (
	+ cluster, server_stream, &parts, &reply, error);
	+ mongoc_server_stream_cleanup (server_stream);
	+ if (!ret) {
	+ /* error->message is already set */
	+ error->domain = MONGOC_ERROR_CLIENT;
	+ error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	+ }
	+
	+ bson_destroy (&cmd);
	+ bson_destroy (&reply);
	+
	+ return ret;
	+#endif
	+}
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+void
	+_mongoc_cluster_init_scram (const mongoc_cluster_t *cluster,
	+ mongoc_scram_t *scram,
	+ mongoc_crypto_hash_algorithm_t algo)
	+{
	+ _mongoc_uri_init_scram (cluster->uri, scram, algo);
	+
	+ /* Apply previously cached SCRAM secrets if available */
	+ if (cluster->scram_cache) {
	+ _mongoc_scram_set_cache (scram, cluster->scram_cache);
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_get_auth_cmd_scram --
	+ *
	+ * Generates the saslStart command for scram authentication. Used
	+ * during explicit authentication as well as speculative
	+ * authentication during hello.
	+ *
	+ *
	+ * Returns:
	+ * true if the command could be generated, false otherwise
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+_mongoc_cluster_get_auth_cmd_scram (mongoc_crypto_hash_algorithm_t algo,
	+ mongoc_scram_t *scram,
	+ bson_t cmd / OUT */,
	+ bson_error_t error / OUT */)
	+{
	+ uint8_t buf[4096] = {0};
	+ uint32_t buflen = 0;
	+ bson_t options;
	+
	+ if (!_mongoc_scram_step (
	+ scram, buf, buflen, buf, sizeof buf, &buflen, error)) {
	+ return false;
	+ }
	+
	+ BSON_ASSERT (scram->step == 1);
	+
	+ bson_init (cmd);
	+
	+ BSON_APPEND_INT32 (cmd, "saslStart", 1);
	+ if (algo == MONGOC_CRYPTO_ALGORITHM_SHA_1) {
	+ BSON_APPEND_UTF8 (cmd, "mechanism", "SCRAM-SHA-1");
	+ } else if (algo == MONGOC_CRYPTO_ALGORITHM_SHA_256) {
	+ BSON_APPEND_UTF8 (cmd, "mechanism", "SCRAM-SHA-256");
	+ } else {
	+ BSON_ASSERT (false);
	+ }
	+ bson_append_binary (cmd, "payload", 7, BSON_SUBTYPE_BINARY, buf, buflen);
	+ BSON_APPEND_INT32 (cmd, "autoAuthorize", 1);
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (cmd, "options", &options);
	+ BSON_APPEND_BOOL (&options, "skipEmptyExchange", true);
	+ bson_append_document_end (cmd, &options);
	+
	+ bson_destroy (&options);
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_run_scram_command --
	+ *
	+ * Runs a scram authentication command, handling auth_source and
	+ * errors during the command.
	+ *
	+ *
	+ * Returns:
	+ * true if the command was successful, false otherwise
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_run_scram_command (
	+ mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ const mongoc_server_description_t *handshake_sd,
	+ const bson_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_cmd_parts_t parts;
	+ mongoc_server_stream_t *server_stream;
	+ const char *auth_source;
	+ mc_shared_tpld td =
	+ mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	+
	+ if (!(auth_source = mongoc_uri_get_auth_source (cluster->uri)) \|\|
	+ (*auth_source == '\0')) {
	+ auth_source = "admin";
	+ }
	+
	+ mongoc_cmd_parts_init (
	+ &parts, cluster->client, auth_source, MONGOC_QUERY_SECONDARY_OK, cmd);
	+ parts.prohibit_lsid = true;
	+ server_stream =
	+ _mongoc_cluster_create_server_stream (td.ptr, handshake_sd, stream);
	+ mc_tpld_drop_ref (&td);
	+
	+ if (!mongoc_cluster_run_command_parts (
	+ cluster, server_stream, &parts, reply, error)) {
	+ mongoc_server_stream_cleanup (server_stream);
	+ bson_destroy (reply);
	+
	+ /* error->message is already set */
	+ error->domain = MONGOC_ERROR_CLIENT;
	+ error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	+
	+ return false;
	+ }
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_auth_scram_start --
	+ *
	+ * Starts scram authentication by generating and sending the saslStart
	+ * command. The conversation can then be resumed using
	+ * _mongoc_cluster_auth_scram_continue.
	+ *
	+ *
	+ * Returns:
	+ * true if the saslStart command was successful, false otherwise
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_auth_scram_start (
	+ mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ const mongoc_server_description_t *handshake_sd,
	+ mongoc_crypto_hash_algorithm_t algo,
	+ mongoc_scram_t *scram,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ bson_t cmd;
	+
	+ BSON_ASSERT (scram->step == 0);
	+
	+ if (!_mongoc_cluster_get_auth_cmd_scram (algo, scram, &cmd, error)) {
	+ /* error->message is already set */
	+ error->domain = MONGOC_ERROR_CLIENT;
	+ error->code = MONGOC_ERROR_CLIENT_AUTHENTICATE;
	+
	+ return false;
	+ }
	+
	+ if (!_mongoc_cluster_run_scram_command (
	+ cluster, stream, handshake_sd, &cmd, reply, error)) {
	+ bson_destroy (&cmd);
	+
	+ return false;
	+ }
	+
	+ bson_destroy (&cmd);
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_scram_handle_reply --
	+ *
	+ * Handles replies from _mongoc_cluster_run_scram_command. The @done
	+ * argument will be set to true if the scram conversation was
	+ * completed successfully.
	+ *
	+ *
	+ * Returns:
	+ * true if the reply was handled successfully, false if there was an
	+ * error. Note that the return value itself does not indicate whether
	+ * authentication was completed successfully.
	+ *
	+ * Side effects:
	+ * @error is set on failure. @done, @conv_id, @buf, and @buflen are
	+ * set for use in the next scram step.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_scram_handle_reply (mongoc_scram_t *scram,
	+ const bson_t *reply,
	+ bool done / OUT */,
	+ int conv_id / OUT */,
	+ uint8_t buf / OUT */,
	+ uint32_t bufmax,
	+ uint32_t buflen / OUT */,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ bson_subtype_t btype;
	+ const char *tmpstr;
	+
	+ BSON_ASSERT (scram);
	+
	+ if (bson_iter_init_find (&iter, reply, "done") &&
	+ bson_iter_as_bool (&iter)) {
	+ if (scram->step < 2) {
	+ /* Prior to step 2, we haven't even received server proof. */
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "Incorrect step for 'done'");
	+ return false;
	+ }
	+ *done = true;
	+ if (scram->step >= 3) {
	+ return true;
	+ }
	+ }
	+
	+ if (!bson_iter_init_find (&iter, reply, "conversationId") \|\|
	+ !BSON_ITER_HOLDS_INT32 (&iter) \|\|
	+ !(*conv_id = bson_iter_int32 (&iter)) \|\|
	+ !bson_iter_init_find (&iter, reply, "payload") \|\|
	+ !BSON_ITER_HOLDS_BINARY (&iter)) {
	+ const char *errmsg = "Received invalid SCRAM reply from MongoDB server.";
	+
	+ MONGOC_DEBUG ("SCRAM: authentication failed");
	+
	+ if (bson_iter_init_find (&iter, reply, "errmsg") &&
	+ BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ errmsg = bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "%s",
	+ errmsg);
	+ return false;
	+ }
	+
	+ bson_iter_binary (&iter, &btype, buflen, (const uint8_t **) &tmpstr);
	+
	+ if (*buflen > bufmax) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "SCRAM reply from MongoDB is too large.");
	+ return false;
	+ }
	+
	+ memcpy (buf, tmpstr, *buflen);
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_auth_scram_continue --
	+ *
	+ * Continues the scram conversation from the reply to a saslStart
	+ * command, either sent explicitly or received through speculative
	+ * authentication during hello.
	+ *
	+ *
	+ * Returns:
	+ * true if authenticated. false on failure and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_auth_scram_continue (
	+ mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ const mongoc_server_description_t *handshake_sd,
	+ mongoc_scram_t *scram,
	+ const bson_t *sasl_start_reply,
	+ bson_error_t *error)
	+{
	+ bson_t cmd;
	+ uint8_t buf[4096] = {0};
	+ uint32_t buflen = 0;
	+ int conv_id = 0;
	+ bool done = false;
	+ bson_t reply_local;
	+
	+ if (!_mongoc_cluster_scram_handle_reply (scram,
	+ sasl_start_reply,
	+ &done,
	+ &conv_id,
	+ buf,
	+ sizeof buf,
	+ &buflen,
	+ error)) {
	+ return false;
	+ }
	+
	+ for (;;) {
	+ if (!_mongoc_scram_step (
	+ scram, buf, buflen, buf, sizeof buf, &buflen, error)) {
	+ return false;
	+ }
	+
	+ if (done && (scram->step >= 3)) {
	+ break;
	+ }
	+
	+ bson_init (&cmd);
	+
	+ BSON_APPEND_INT32 (&cmd, "saslContinue", 1);
	+ BSON_APPEND_INT32 (&cmd, "conversationId", conv_id);
	+ bson_append_binary (&cmd, "payload", 7, BSON_SUBTYPE_BINARY, buf, buflen);
	+
	+ TRACE ("SCRAM: authenticating (step %d)", scram->step);
	+
	+ if (!_mongoc_cluster_run_scram_command (
	+ cluster, stream, handshake_sd, &cmd, &reply_local, error)) {
	+ bson_destroy (&cmd);
	+ return false;
	+ }
	+
	+ bson_destroy (&cmd);
	+
	+ if (!_mongoc_cluster_scram_handle_reply (scram,
	+ &reply_local,
	+ &done,
	+ &conv_id,
	+ buf,
	+ sizeof buf,
	+ &buflen,
	+ error)) {
	+ bson_destroy (&reply_local);
	+ return false;
	+ }
	+
	+ bson_destroy (&reply_local);
	+
	+ if (done && (scram->step >= 3)) {
	+ break;
	+ }
	+ }
	+
	+ TRACE ("%s", "SCRAM: authenticated");
	+
	+ /* Save cached SCRAM secrets for future use */
	+ if (cluster->scram_cache) {
	+ _mongoc_scram_cache_destroy (cluster->scram_cache);
	+ }
	+
	+ cluster->scram_cache = _mongoc_scram_get_cache (scram);
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_auth_node_scram --
	+ *
	+ * Invokes scram authentication by sending a saslStart command and
	+ * handling all replies.
	+ *
	+ *
	+ * Returns:
	+ * true if authenticated. false on failure and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_auth_node_scram (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *handshake_sd,
	+ mongoc_crypto_hash_algorithm_t algo,
	+ bson_error_t *error)
	+{
	+ mongoc_scram_t scram;
	+ bool ret = false;
	+ bson_t reply;
	+
	+ BSON_ASSERT (cluster);
	+
	+ _mongoc_cluster_init_scram (cluster, &scram, algo);
	+
	+ if (!_mongoc_cluster_auth_scram_start (
	+ cluster, stream, handshake_sd, algo, &scram, &reply, error)) {
	+ goto failure;
	+ }
	+
	+ if (!_mongoc_cluster_auth_scram_continue (
	+ cluster, stream, handshake_sd, &scram, &reply, error)) {
	+ bson_destroy (&reply);
	+
	+ goto failure;
	+ }
	+
	+ TRACE ("%s", "SCRAM: authenticated");
	+
	+ ret = true;
	+
	+ bson_destroy (&reply);
	+
	+failure:
	+ _mongoc_scram_destroy (&scram);
	+
	+ return ret;
	+}
	+#endif
	+
	+static bool
	+_mongoc_cluster_auth_node_scram_sha_1 (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *sd,
	+ bson_error_t *error)
	+{
	+#ifndef MONGOC_ENABLE_CRYPTO
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "The SCRAM_SHA_1 authentication mechanism requires "
	+ "libmongoc built with ENABLE_SSL");
	+ return false;
	+#else
	+ return _mongoc_cluster_auth_node_scram (
	+ cluster, stream, sd, MONGOC_CRYPTO_ALGORITHM_SHA_1, error);
	+#endif
	+}
	+
	+static bool
	+_mongoc_cluster_auth_node_scram_sha_256 (mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *sd,
	+ bson_error_t *error)
	+{
	+#ifndef MONGOC_ENABLE_CRYPTO
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "The SCRAM_SHA_256 authentication mechanism requires "
	+ "libmongoc built with ENABLE_SSL");
	+ return false;
	+#else
	+ return _mongoc_cluster_auth_node_scram (
	+ cluster, stream, sd, MONGOC_CRYPTO_ALGORITHM_SHA_256, error);
	+#endif
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cluster_auth_node --
	+ *
	+ * Authenticate a cluster node depending on the required mechanism.
	+ *
	+ * Returns:
	+ * true if authenticated. false on failure and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_cluster_auth_node (
	+ mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *sd,
	+ const mongoc_handshake_sasl_supported_mechs_t *sasl_supported_mechs,
	+ bson_error_t *error)
	+{
	+ bool ret = false;
	+ const char *mechanism;
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (stream);
	+
	+ mechanism = mongoc_uri_get_auth_mechanism (cluster->uri);
	+
	+ if (!mechanism) {
	+ if (sasl_supported_mechs->scram_sha_256) {
	+ /* Auth spec: "If SCRAM-SHA-256 is present in the list of mechanisms,
	+ * then it MUST be used as the default; otherwise, SCRAM-SHA-1 MUST be
	+ * used as the default, regardless of whether SCRAM-SHA-1 is in the
	+ * list. Drivers MUST NOT attempt to use any other mechanism (e.g.
	+ * PLAIN) as the default." [...] "If saslSupportedMechs is not present
	+ * in the hello results for mechanism negotiation, then SCRAM-SHA-1
	+ * MUST be used when talking to servers >= 3.0." */
	+ mechanism = "SCRAM-SHA-256";
	+ } else {
	+ mechanism = "SCRAM-SHA-1";
	+ }
	+ }
	+
	+ if (0 == strcasecmp (mechanism, "MONGODB-CR")) {
	+ ret = _mongoc_cluster_auth_node_cr (cluster, stream, sd, error);
	+ } else if (0 == strcasecmp (mechanism, "MONGODB-X509")) {
	+ ret = _mongoc_cluster_auth_node_x509 (cluster, stream, sd, error);
	+ } else if (0 == strcasecmp (mechanism, "SCRAM-SHA-1")) {
	+ ret = _mongoc_cluster_auth_node_scram_sha_1 (cluster, stream, sd, error);
	+ } else if (0 == strcasecmp (mechanism, "SCRAM-SHA-256")) {
	+ ret =
	+ _mongoc_cluster_auth_node_scram_sha_256 (cluster, stream, sd, error);
	+ } else if (0 == strcasecmp (mechanism, "GSSAPI")) {
	+ ret = _mongoc_cluster_auth_node_sasl (cluster, stream, sd, error);
	+ } else if (0 == strcasecmp (mechanism, "PLAIN")) {
	+ ret = _mongoc_cluster_auth_node_plain (cluster, stream, sd, error);
	+ } else if (0 == strcasecmp (mechanism, "MONGODB-AWS")) {
	+ ret = _mongoc_cluster_auth_node_aws (cluster, stream, sd, error);
	+ } else {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_AUTHENTICATE,
	+ "Unknown authentication mechanism \"%s\".",
	+ mechanism);
	+ }
	+
	+ if (!ret) {
	+ mongoc_counter_auth_failure_inc ();
	+ MONGOC_DEBUG ("Authentication failed: %s", error->message);
	+ } else {
	+ mongoc_counter_auth_success_inc ();
	+ TRACE ("%s", "Authentication succeeded");
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ * Close the connection associated with this server.
	+ *
	+ * Called when a network error occurs, or to close connection tied to an exhaust
	+ * cursor.
	+ * If the cluster is pooled, removes the node from cluster's set of nodes.
	+ * WARNING: pointers to a disconnected mongoc_cluster_node_t or its stream are
	+ * now invalid, be careful of dangling pointers.
	+ */
	+
	+void
	+mongoc_cluster_disconnect_node (mongoc_cluster_t *cluster, uint32_t server_id)
	+{
	+ mongoc_topology_t *topology = cluster->client->topology;
	+
	+ ENTRY;
	+
	+ if (topology->single_threaded) {
	+ mongoc_topology_scanner_node_t *scanner_node;
	+
	+ scanner_node =
	+ mongoc_topology_scanner_get_node (topology->scanner, server_id);
	+
	+ /* might never actually have connected */
	+ if (scanner_node && scanner_node->stream) {
	+ mongoc_topology_scanner_node_disconnect (scanner_node, true);
	+ }
	+ } else {
	+ mongoc_set_rm (cluster->nodes, server_id);
	+ }
	+
	+ EXIT;
	+}
	+
	+static void
	+_mongoc_cluster_node_destroy (mongoc_cluster_node_t *node)
	+{
	+ /* Failure, or Replica Set reconfigure without this node */
	+ mongoc_stream_failed (node->stream);
	+ bson_free (node->connection_address);
	+ mongoc_server_description_destroy (node->handshake_sd);
	+
	+ bson_free (node);
	+}
	+
	+static void
	+_mongoc_cluster_node_dtor (void data_, void ctx_)
	+{
	+ mongoc_cluster_node_t node = (mongoc_cluster_node_t ) data_;
	+
	+ _mongoc_cluster_node_destroy (node);
	+}
	+
	+static mongoc_cluster_node_t *
	+_mongoc_cluster_node_new (mongoc_stream_t *stream,
	+ const char *connection_address)
	+{
	+ mongoc_cluster_node_t *node;
	+
	+ if (!stream) {
	+ return NULL;
	+ }
	+
	+ node = (mongoc_cluster_node_t ) bson_malloc0 (sizeof node);
	+
	+ node->stream = stream;
	+ node->connection_address = bson_strdup (connection_address);
	+
	+ return node;
	+}
	+
	+static bool
	+_mongoc_cluster_finish_speculative_auth (
	+ mongoc_cluster_t *cluster,
	+ mongoc_stream_t *stream,
	+ mongoc_server_description_t *handshake_sd,
	+ bson_t *speculative_auth_response,
	+ mongoc_scram_t *scram,
	+ bson_error_t *error)
	+{
	+ const char *mechanism =
	+ _mongoc_topology_scanner_get_speculative_auth_mechanism (cluster->uri);
	+ bool ret = false;
	+ bool auth_handled = false;
	+
	+ BSON_ASSERT (handshake_sd);
	+ BSON_ASSERT (speculative_auth_response);
	+
	+ if (!mechanism) {
	+ return false;
	+ }
	+
	+ if (bson_empty (speculative_auth_response)) {
	+ return false;
	+ }
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (strcasecmp (mechanism, "MONGODB-X509") == 0) {
	+ /* For X509, a successful hello with speculativeAuthenticate field
	+ * indicates successful auth */
	+ ret = true;
	+ auth_handled = true;
	+ }
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ if (strcasecmp (mechanism, "SCRAM-SHA-1") == 0 \|\|
	+ strcasecmp (mechanism, "SCRAM-SHA-256") == 0) {
	+ /* Don't attempt authentication if scram objects have advanced past
	+ * saslStart */
	+ if (scram->step != 1) {
	+ return false;
	+ }
	+
	+ auth_handled = true;
	+
	+ ret = _mongoc_cluster_auth_scram_continue (cluster,
	+ stream,
	+ handshake_sd,
	+ scram,
	+ speculative_auth_response,
	+ error);
	+ }
	+#endif
	+
	+ if (auth_handled) {
	+ if (!ret) {
	+ mongoc_counter_auth_failure_inc ();
	+ MONGOC_DEBUG ("Speculative authentication failed: %s", error->message);
	+ } else {
	+ mongoc_counter_auth_success_inc ();
	+ TRACE ("%s", "Speculative authentication succeeded");
	+ }
	+ }
	+
	+ bson_reinit (speculative_auth_response);
	+
	+ return ret;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_add_node --
	+ *
	+ * Add a new node to this cluster for the given server description.
	+ *
	+ * NOTE: does NOT check if this server is already in the cluster.
	+ *
	+ * Returns:
	+ * A stream connected to the server, or NULL on failure.
	+ *
	+ * Side effects:
	+ * Adds a cluster node, or sets error on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static mongoc_cluster_node_t *
	+_cluster_add_node (mongoc_cluster_t *cluster,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_host_list_t *host = NULL;
	+ mongoc_cluster_node_t *cluster_node = NULL;
	+ mongoc_stream_t *stream;
	+ mongoc_server_description_t *handshake_sd;
	+ mongoc_handshake_sasl_supported_mechs_t sasl_supported_mechs;
	+ mongoc_scram_t scram = {0};
	+ bson_t speculative_auth_response = BSON_INITIALIZER;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (!cluster->client->topology->single_threaded);
	+
	+ host = _mongoc_topology_host_by_id (td, server_id, error);
	+
	+ if (!host) {
	+ GOTO (error);
	+ }
	+
	+ TRACE ("Adding new server to cluster: %s", host->host_and_port);
	+
	+ stream = _mongoc_client_create_stream (cluster->client, host, error);
	+
	+ if (!stream) {
	+ MONGOC_WARNING (
	+ "Failed connection to %s (%s)", host->host_and_port, error->message);
	+ GOTO (error);
	+ /* TODO CDRIVER-3654: if this is a non-timeout network error and the
	+ * generation is not stale, mark the server unknown and increment the
	+ * generation. */
	+ }
	+
	+ /* take critical fields from a fresh hello */
	+ cluster_node = _mongoc_cluster_node_new (stream, host->host_and_port);
	+
	+ handshake_sd = _cluster_run_hello (cluster,
	+ cluster_node,
	+ server_id,
	+ cluster->scram_cache,
	+ &scram,
	+ &speculative_auth_response,
	+ error);
	+ if (!handshake_sd) {
	+ GOTO (error);
	+ }
	+
	+ _mongoc_handshake_parse_sasl_supported_mechs (
	+ &handshake_sd->last_hello_response, &sasl_supported_mechs);
	+
	+ if (cluster->requires_auth) {
	+ /* Complete speculative authentication */
	+ bool is_auth =
	+ _mongoc_cluster_finish_speculative_auth (cluster,
	+ stream,
	+ handshake_sd,
	+ &speculative_auth_response,
	+ &scram,
	+ error);
	+
	+ if (!is_auth && !_mongoc_cluster_auth_node (cluster,
	+ cluster_node->stream,
	+ handshake_sd,
	+ &sasl_supported_mechs,
	+ error)) {
	+ MONGOC_WARNING ("Failed authentication to %s (%s)",
	+ host->host_and_port,
	+ error->message);
	+ mongoc_server_description_destroy (handshake_sd);
	+ GOTO (error);
	+ }
	+ }
	+
	+ /* Transfer ownership of the server description into the cluster node. */
	+ cluster_node->handshake_sd = handshake_sd;
	+ /* Copy the latest connection pool generation.
	+ * TODO (CDRIVER-4078) do not store the generation counter on the server
	+ * description */
	+ handshake_sd->generation = _mongoc_topology_get_connection_pool_generation (
	+ td, server_id, &handshake_sd->service_id);
	+
	+ bson_destroy (&speculative_auth_response);
	+ mongoc_set_add (cluster->nodes, server_id, cluster_node);
	+ _mongoc_host_list_destroy_all (host);
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ _mongoc_scram_destroy (&scram);
	+#endif
	+
	+ RETURN (cluster_node);
	+
	+error:
	+ bson_destroy (&speculative_auth_response);
	+ _mongoc_host_list_destroy_all (host); /* null ok */
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ _mongoc_scram_destroy (&scram);
	+#endif
	+
	+ if (cluster_node) {
	+ _mongoc_cluster_node_destroy (cluster_node); /* also destroys stream */
	+ }
	+
	+ RETURN (NULL);
	+}
	+
	+static void
	+node_not_found (const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_server_description_t const *sd;
	+
	+ if (!error) {
	+ return;
	+ }
	+
	+ sd = mongoc_topology_description_server_by_id_const (td, server_id, error);
	+
	+ if (!sd) {
	+ return;
	+ }
	+
	+ if (sd->error.code) {
	+ memcpy (error, &sd->error, sizeof *error);
	+ } else {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	+ "Could not find node %s",
	+ sd->host.host_and_port);
	+ }
	+}
	+
	+
	+static void
	+stream_not_found (const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ const char *connection_address,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_server_description_t const *sd;
	+
	+ sd = mongoc_topology_description_server_by_id_const (td, server_id, error);
	+
	+ if (error) {
	+ if (sd && sd->error.code) {
	+ memcpy (error, &sd->error, sizeof *error);
	+ } else {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	+ "Could not find stream for node %s",
	+ connection_address);
	+ }
	+ }
	+}
	+
	+static mongoc_server_stream_t *
	+_try_get_server_stream (mongoc_cluster_t *cluster,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ bson_error_t *error)
	+{
	+ if (cluster->client->topology->single_threaded) {
	+ /* in the single-threaded use case we share topology's streams */
	+ return _cluster_fetch_stream_single (
	+ cluster, td, server_id, reconnect_ok, error);
	+ } else {
	+ return _cluster_fetch_stream_pooled (
	+ cluster, td, server_id, reconnect_ok, error);
	+ }
	+}
	+
	+mongoc_server_stream_t *
	+_mongoc_cluster_stream_for_server (mongoc_cluster_t *cluster,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ const mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_topology_t *const topology =
	+ BSON_ASSERT_PTR_INLINE (cluster)->client->topology;
	+ mongoc_server_stream_t *ret_server_stream;
	+ bson_error_t err_local;
	+ /* if fetch_stream fails we need a place to receive error details and pass
	+ * them to mongoc_topology_description_invalidate_server. */
	+ bson_error_t *err_ptr = error ? error : &err_local;
	+ mc_tpld_modification tdmod;
	+ mc_shared_tpld td;
	+
	+ ENTRY;
	+
	+ td = mc_tpld_take_ref (topology);
	+
	+ ret_server_stream = _try_get_server_stream (
	+ cluster, td.ptr, server_id, reconnect_ok, err_ptr);
	+
	+ if (!ret_server_stream) {
	+ /* TODO CDRIVER-3654. A null server stream could be due to:
	+ * 1. Network error during handshake.
	+ * 2. Failure to retrieve server description (if it was removed from
	+ * topology).
	+ * 3. Auth error during handshake.
	+ * Only (1) should mark the server unknown and clear the pool.
	+ * Network errors should be checked at a lower layer than this, when an
	+ * operation on a stream fails, and should take the connection generation
	+ * into account.
	+ */
	+
	+ /* Update the topology */
	+ tdmod = mc_tpld_modify_begin (topology);
	+
	+ /* Add a transient transaction label if applicable. */
	+ _mongoc_bson_init_with_transient_txn_error (cs, reply);
	+
	+ /* When establishing a new connection in load balanced mode, drivers MUST
	+ * NOT perform SDAM error handling for any errors that occur before the
	+ * MongoDB Handshake. */
	+ if (tdmod.new_td->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ mc_tpld_modify_drop (tdmod);
	+ ret_server_stream = NULL;
	+ goto done;
	+ }
	+
	+ mongoc_topology_description_invalidate_server (
	+ tdmod.new_td, server_id, err_ptr);
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+ /* This is not load balanced mode, so there are no service IDs associated
	+ * with connections. Pass kZeroServiceId to clear the entire connection
	+ * pool to this server. */
	+ _mongoc_topology_description_clear_connection_pool (
	+ tdmod.new_td, server_id, &kZeroServiceId);
	+
	+ if (!topology->single_threaded) {
	+ _mongoc_topology_background_monitoring_cancel_check (topology,
	+ server_id);
	+ }
	+ mc_tpld_modify_commit (tdmod);
	+ ret_server_stream = NULL;
	+ goto done;
	+ }
	+
	+ /* If this is a load balanced topology and the server stream does not have a
	+ * service id, disconnect and return an error. */
	+ if (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ if (!mongoc_server_description_has_service_id (ret_server_stream->sd)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_INVALID_LOAD_BALANCER,
	+ "Driver attempted to initialize in load balancing "
	+ "mode, but the server does not support this mode.");
	+ mongoc_server_stream_cleanup (ret_server_stream);
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+ _mongoc_bson_init_if_set (reply);
	+ ret_server_stream = NULL;
	+ goto done;
	+ }
	+ }
	+
	+done:
	+ mc_tpld_drop_ref (&td);
	+ RETURN (ret_server_stream);
	+}
	+
	+
	+mongoc_server_stream_t *
	+mongoc_cluster_stream_for_server (mongoc_cluster_t *cluster,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_server_stream_t *server_stream = NULL;
	+ bson_error_t err_local = {0};
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+
	+ if (cs && cs->server_id && cs->server_id != server_id) {
	+ _mongoc_bson_init_if_set (reply);
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_SERVER_SELECTION_INVALID_ID,
	+ "Requested server id does not matched pinned server id");
	+ RETURN (NULL);
	+ }
	+
	+ if (!error) {
	+ error = &err_local;
	+ }
	+
	+ server_stream = _mongoc_cluster_stream_for_server (
	+ cluster, server_id, reconnect_ok, cs, reply, error);
	+
	+
	+ if (_in_sharded_txn (cs)) {
	+ _mongoc_client_session_pin (cs, server_id);
	+ } else {
	+ /* Transactions Spec: Additionally, any non-transaction operation using
	+ * a pinned ClientSession MUST unpin the session and the operation MUST
	+ * perform normal server selection. */
	+ if (cs && !_mongoc_client_session_in_txn_or_ending (cs)) {
	+ _mongoc_client_session_unpin (cs);
	+ }
	+ }
	+
	+ RETURN (server_stream);
	+}
	+
	+
	+static mongoc_server_stream_t *
	+_cluster_fetch_stream_single (mongoc_cluster_t *cluster,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_server_description_t *handshake_sd;
	+ mongoc_topology_scanner_node_t *scanner_node;
	+ char *address;
	+
	+ scanner_node = mongoc_topology_scanner_get_node (
	+ cluster->client->topology->scanner, server_id);
	+ /* This could happen if a user explicitly passes a bad server id. */
	+ if (!scanner_node) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Could not find server with id: %d",
	+ server_id);
	+ return NULL;
	+ }
	+
	+ /* Retired scanner nodes are removed at the end of a scan. If the node was
	+ * retired, that would indicate a bug. */
	+ if (scanner_node->retired) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Unexpected, selecting server marked for removal: %s",
	+ scanner_node->host.host_and_port);
	+ return NULL;
	+ }
	+
	+ if (scanner_node->stream) {
	+ handshake_sd =
	+ mongoc_server_description_new_copy (scanner_node->handshake_sd);
	+ } else {
	+ if (!reconnect_ok) {
	+ stream_not_found (
	+ td, server_id, scanner_node->host.host_and_port, error);
	+ return NULL;
	+ }
	+
	+ /* save the scanner node address in case it is removed during the scan. */
	+ address = bson_strdup (scanner_node->host.host_and_port);
	+ _mongoc_topology_do_blocking_scan (cluster->client->topology, error);
	+ if (error->code) {
	+ bson_free (address);
	+ return NULL;
	+ }
	+
	+ scanner_node = mongoc_topology_scanner_get_node (
	+ cluster->client->topology->scanner, server_id);
	+
	+ if (!scanner_node \|\| !scanner_node->stream) {
	+ stream_not_found (td, server_id, address, error);
	+ bson_free (address);
	+ return NULL;
	+ }
	+ bson_free (address);
	+
	+ handshake_sd =
	+ mongoc_server_description_new_copy (scanner_node->handshake_sd);
	+ }
	+
	+ if (handshake_sd->type == MONGOC_SERVER_UNKNOWN) {
	+ *error = handshake_sd->error;
	+ mongoc_server_description_destroy (handshake_sd);
	+ return NULL;
	+ }
	+
	+ /* stream open but not auth'ed: first use since connect or reconnect */
	+ if (cluster->requires_auth && !scanner_node->has_auth) {
	+ /* Complete speculative authentication */
	+ bool has_speculative_auth = _mongoc_cluster_finish_speculative_auth (
	+ cluster,
	+ scanner_node->stream,
	+ handshake_sd,
	+ &scanner_node->speculative_auth_response,
	+ &scanner_node->scram,
	+ &handshake_sd->error);
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ _mongoc_scram_destroy (&scanner_node->scram);
	+#endif
	+
	+ if (!scanner_node->stream) {
	+ *error = handshake_sd->error;
	+ mongoc_server_description_destroy (handshake_sd);
	+ return NULL;
	+ }
	+
	+ if (!has_speculative_auth &&
	+ !_mongoc_cluster_auth_node (cluster,
	+ scanner_node->stream,
	+ handshake_sd,
	+ &scanner_node->sasl_supported_mechs,
	+ &handshake_sd->error)) {
	+ *error = handshake_sd->error;
	+ mongoc_server_description_destroy (handshake_sd);
	+ return NULL;
	+ }
	+
	+ scanner_node->has_auth = true;
	+ }
	+
	+ /* Copy the latest connection pool generation.
	+ * TODO (CDRIVER-4078) do not store the generation counter on the server
	+ * description */
	+ handshake_sd->generation = _mongoc_topology_get_connection_pool_generation (
	+ td, server_id, &handshake_sd->service_id);
	+ return mongoc_server_stream_new (td, handshake_sd, scanner_node->stream);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_stream_valid --
	+ *
	+ * Internal function to determine if @server_stream is valid and
	+ * associated with the given cluster.
	+ *
	+ * Returns:
	+ * true if @server_stream is not NULL, hasn't been freed or changed;
	+ * otherwise false.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_stream_valid (mongoc_cluster_t *cluster,
	+ mongoc_server_stream_t *server_stream)
	+{
	+ mongoc_server_stream_t *tmp_stream = NULL;
	+ mongoc_topology_t *topology =
	+ BSON_ASSERT_PTR_INLINE (cluster)->client->topology;
	+ const mongoc_server_description_t *sd;
	+ bool ret = false;
	+ bson_error_t error;
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+
	+ if (!server_stream) {
	+ goto done;
	+ }
	+
	+ tmp_stream = mongoc_cluster_stream_for_server (
	+ cluster, server_stream->sd->id, false, NULL, NULL, NULL);
	+ if (!tmp_stream \|\| tmp_stream->stream != server_stream->stream) {
	+ /* stream was freed, or has changed. */
	+ goto done;
	+ }
	+
	+ /* Check that the server stream is still valid for the given server, and that
	+ * the server is still registered. */
	+ sd = mongoc_topology_description_server_by_id_const (
	+ td.ptr, server_stream->sd->id, &error);
	+ if (!sd \|\|
	+ server_stream->sd->generation <
	+ _mongoc_topology_get_connection_pool_generation (
	+ td.ptr, server_stream->sd->id, &server_stream->sd->service_id)) {
	+ /* No server description, or the pool has been cleared. */
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ mc_tpld_drop_ref (&td);
	+ mongoc_server_stream_cleanup (tmp_stream);
	+ return ret;
	+}
	+
	+mongoc_server_stream_t *
	+_mongoc_cluster_create_server_stream (
	+ mongoc_topology_description_t const *td,
	+ const mongoc_server_description_t *handshake_sd,
	+ mongoc_stream_t *stream)
	+{
	+ mongoc_server_description_t *const sd =
	+ mongoc_server_description_new_copy (handshake_sd);
	+ /* can't just use mongoc_topology_server_by_id(), since we must hold the
	+ * lock while copying topology->shared_descr.ptr->logical_time below */
	+ return mongoc_server_stream_new (td, sd, stream);
	+}
	+
	+
	+static mongoc_server_stream_t *
	+_cluster_fetch_stream_pooled (mongoc_cluster_t *cluster,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ bool reconnect_ok,
	+ bson_error_t error / OUT */)
	+{
	+ mongoc_cluster_node_t *cluster_node;
	+ mongoc_server_description_t const *sd;
	+ bool has_server_description = false;
	+
	+ cluster_node =
	+ (mongoc_cluster_node_t *) mongoc_set_get (cluster->nodes, server_id);
	+
	+ sd = mongoc_topology_description_server_by_id_const (td, server_id, error);
	+ if (sd) {
	+ has_server_description = true;
	+ }
	+
	+ if (cluster_node) {
	+ uint32_t connection_pool_generation = 0;
	+ BSON_ASSERT (cluster_node->stream);
	+
	+ connection_pool_generation =
	+ _mongoc_topology_get_connection_pool_generation (
	+ td, server_id, &cluster_node->handshake_sd->service_id);
	+
	+ if (!has_server_description \|\|
	+ cluster_node->handshake_sd->generation < connection_pool_generation) {
	+ /* Since the stream was created, connections to this server were
	+ * invalidated.
	+ * This may have happened if:
	+ * - A background scan removed the server description.
	+ * - A network error or a "not primary"/"node is recovering" error
	+ * occurred on an app connection.
	+ * - A network error occurred on the monitor connection.
	+ */
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+ } else {
	+ return _mongoc_cluster_create_server_stream (
	+ td, cluster_node->handshake_sd, cluster_node->stream);
	+ }
	+ }
	+
	+ /* no node, or out of date */
	+ if (!reconnect_ok) {
	+ node_not_found (td, server_id, error);
	+ return NULL;
	+ }
	+
	+ cluster_node = _cluster_add_node (cluster, td, server_id, error);
	+ if (cluster_node) {
	+ return _mongoc_cluster_create_server_stream (
	+ td, cluster_node->handshake_sd, cluster_node->stream);
	+ } else {
	+ return NULL;
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_init --
	+ *
	+ * Initializes @cluster using the @uri and @client provided. The
	+ * @uri is used to determine the "mode" of the cluster. Based on the
	+ * uri we can determine if we are connected to a single host, a
	+ * replicaSet, or a shardedCluster.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * @cluster is initialized.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_cluster_init (mongoc_cluster_t *cluster,
	+ const mongoc_uri_t *uri,
	+ void *client)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (uri);
	+
	+ memset (cluster, 0, sizeof *cluster);
	+
	+ cluster->uri = mongoc_uri_copy (uri);
	+ cluster->client = (mongoc_client_t *) client;
	+ cluster->requires_auth =
	+ (mongoc_uri_get_username (uri) \|\| mongoc_uri_get_auth_mechanism (uri));
	+
	+ cluster->sockettimeoutms = mongoc_uri_get_option_as_int32 (
	+ uri, MONGOC_URI_SOCKETTIMEOUTMS, MONGOC_DEFAULT_SOCKETTIMEOUTMS);
	+
	+ cluster->socketcheckintervalms =
	+ mongoc_uri_get_option_as_int32 (uri,
	+ MONGOC_URI_SOCKETCHECKINTERVALMS,
	+ MONGOC_TOPOLOGY_SOCKET_CHECK_INTERVAL_MS);
	+
	+ /* TODO for single-threaded case we don't need this */
	+ cluster->nodes = mongoc_set_new (8, _mongoc_cluster_node_dtor, NULL);
	+
	+ _mongoc_array_init (&cluster->iov, sizeof (mongoc_iovec_t));
	+
	+ cluster->operation_id = rand ();
	+
	+ EXIT;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_destroy --
	+ *
	+ * Clean up after @cluster and destroy all active connections.
	+ * All resources for @cluster are released.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Everything.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_cluster_destroy (mongoc_cluster_t cluster) / INOUT */
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+
	+ mongoc_uri_destroy (cluster->uri);
	+
	+ mongoc_set_destroy (cluster->nodes);
	+
	+ _mongoc_array_destroy (&cluster->iov);
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ if (cluster->scram_cache) {
	+ _mongoc_scram_cache_destroy (cluster->scram_cache);
	+ }
	+#endif
	+
	+ EXIT;
	+}
	+
	+static uint32_t
	+_mongoc_cluster_select_server_id (mongoc_client_session_t *cs,
	+ mongoc_topology_t *topology,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bool *must_use_primary,
	+ bson_error_t *error)
	+{
	+ uint32_t server_id;
	+
	+ if (_in_sharded_txn (cs)) {
	+ server_id = cs->server_id;
	+ if (!server_id) {
	+ server_id = mongoc_topology_select_server_id (
	+ topology, optype, read_prefs, must_use_primary, error);
	+ if (server_id) {
	+ _mongoc_client_session_pin (cs, server_id);
	+ }
	+ }
	+ } else {
	+ server_id = mongoc_topology_select_server_id (
	+ topology, optype, read_prefs, must_use_primary, error);
	+ /* Transactions Spec: Additionally, any non-transaction operation using a
	+ * pinned ClientSession MUST unpin the session and the operation MUST
	+ * perform normal server selection. */
	+ if (cs && !_mongoc_client_session_in_txn_or_ending (cs)) {
	+ _mongoc_client_session_unpin (cs);
	+ }
	+ }
	+
	+ return server_id;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_stream_for_optype --
	+ *
	+ * Internal server selection.
	+ *
	+ * Returns:
	+ * A mongoc_server_stream_t on which you must call
	+ * mongoc_server_stream_cleanup, or NULL on failure (sets @error)
	+ *
	+ * Side effects:
	+ * May add or disconnect nodes in @cluster->nodes.
	+ * Sets @error and initializes @reply on error.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static mongoc_server_stream_t *
	+_mongoc_cluster_stream_for_optype (mongoc_cluster_t *cluster,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_prefs,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ uint32_t server_id;
	+ mongoc_topology_t *topology = cluster->client->topology;
	+ bool must_use_primary = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+
	+ server_id = _mongoc_cluster_select_server_id (
	+ cs, topology, optype, read_prefs, &must_use_primary, error);
	+
	+ if (!server_id) {
	+ _mongoc_bson_init_with_transient_txn_error (cs, reply);
	+ RETURN (NULL);
	+ }
	+
	+ if (!mongoc_cluster_check_interval (cluster, server_id)) {
	+ /* Server Selection Spec: try once more */
	+ server_id = _mongoc_cluster_select_server_id (
	+ cs, topology, optype, read_prefs, &must_use_primary, error);
	+
	+ if (!server_id) {
	+ _mongoc_bson_init_with_transient_txn_error (cs, reply);
	+ RETURN (NULL);
	+ }
	+ }
	+
	+ /* connect or reconnect to server if necessary */
	+ server_stream = _mongoc_cluster_stream_for_server (
	+ cluster, server_id, true /* reconnect_ok */, cs, reply, error);
	+ if (server_stream) {
	+ server_stream->must_use_primary = must_use_primary;
	+ }
	+
	+ RETURN (server_stream);
	+}
	+
	+mongoc_server_stream_t *
	+mongoc_cluster_stream_for_reads (mongoc_cluster_t *cluster,
	+ const mongoc_read_prefs_t *read_prefs,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bool has_write_stage,
	+ bson_error_t *error)
	+{
	+ const mongoc_read_prefs_t *prefs_override = read_prefs;
	+
	+ if (_mongoc_client_session_in_txn (cs)) {
	+ prefs_override = cs->txn.opts.read_prefs;
	+ }
	+
	+ return _mongoc_cluster_stream_for_optype (
	+ cluster,
	+ /* Narrow down the optype if this is an aggregate op with a write stage */
	+ has_write_stage ? MONGOC_SS_AGGREGATE_WITH_WRITE : MONGOC_SS_READ,
	+ prefs_override,
	+ cs,
	+ reply,
	+ error);
	+}
	+
	+mongoc_server_stream_t *
	+mongoc_cluster_stream_for_writes (mongoc_cluster_t *cluster,
	+ mongoc_client_session_t *cs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ return _mongoc_cluster_stream_for_optype (
	+ cluster, MONGOC_SS_WRITE, NULL, cs, reply, error);
	+}
	+
	+static bool
	+_mongoc_cluster_min_of_max_obj_size_sds (const void item, void ctx)
	+{
	+ const mongoc_server_description_t *sd = item;
	+ int32_t current_min = (int32_t ) ctx;
	+
	+ if (sd->max_bson_obj_size < *current_min) {
	+ *current_min = sd->max_bson_obj_size;
	+ }
	+ return true;
	+}
	+
	+static bool
	+_mongoc_cluster_min_of_max_obj_size_nodes (void item, void ctx)
	+{
	+ mongoc_cluster_node_t node = (mongoc_cluster_node_t ) item;
	+ int32_t current_min = (int32_t ) ctx;
	+
	+ if (node->handshake_sd->max_bson_obj_size < *current_min) {
	+ *current_min = node->handshake_sd->max_bson_obj_size;
	+ }
	+ return true;
	+}
	+
	+static bool
	+_mongoc_cluster_min_of_max_msg_size_sds (const void item, void ctx)
	+{
	+ const mongoc_server_description_t *sd = item;
	+ int32_t current_min = (int32_t ) ctx;
	+
	+ if (sd->max_msg_size < *current_min) {
	+ *current_min = sd->max_msg_size;
	+ }
	+ return true;
	+}
	+
	+static bool
	+_mongoc_cluster_min_of_max_msg_size_nodes (void item, void ctx)
	+{
	+ mongoc_cluster_node_t node = (mongoc_cluster_node_t ) item;
	+ int32_t current_min = (int32_t ) ctx;
	+
	+ if (node->handshake_sd->max_msg_size < *current_min) {
	+ *current_min = node->handshake_sd->max_msg_size;
	+ }
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_get_max_bson_obj_size --
	+ *
	+ * Return the minimum max_bson_obj_size across all servers in cluster.
	+ *
	+ * Returns:
	+ * The minimum max_bson_obj_size.
	+ *
	+ * Side effects:
	+ * None
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+int32_t
	+mongoc_cluster_get_max_bson_obj_size (mongoc_cluster_t *cluster)
	+{
	+ int32_t max_bson_obj_size = -1;
	+
	+ max_bson_obj_size = MONGOC_DEFAULT_BSON_OBJ_SIZE;
	+
	+ if (!cluster->client->topology->single_threaded) {
	+ mongoc_set_for_each (cluster->nodes,
	+ _mongoc_cluster_min_of_max_obj_size_nodes,
	+ &max_bson_obj_size);
	+ } else {
	+ mc_shared_tpld td =
	+ mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	+ mongoc_set_for_each_const (mc_tpld_servers_const (td.ptr),
	+ _mongoc_cluster_min_of_max_obj_size_sds,
	+ &max_bson_obj_size);
	+ mc_tpld_drop_ref (&td);
	+ }
	+
	+ return max_bson_obj_size;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_get_max_msg_size --
	+ *
	+ * Return the minimum max msg size across all servers in cluster.
	+ *
	+ * Returns:
	+ * The minimum max_msg_size
	+ *
	+ * Side effects:
	+ * None
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+int32_t
	+mongoc_cluster_get_max_msg_size (mongoc_cluster_t *cluster)
	+{
	+ int32_t max_msg_size = MONGOC_DEFAULT_MAX_MSG_SIZE;
	+
	+ if (!cluster->client->topology->single_threaded) {
	+ mongoc_set_for_each (cluster->nodes,
	+ _mongoc_cluster_min_of_max_msg_size_nodes,
	+ &max_msg_size);
	+ } else {
	+ mc_shared_tpld td =
	+ mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (cluster)->client->topology);
	+ mongoc_set_for_each_const (mc_tpld_servers_const (td.ptr),
	+ _mongoc_cluster_min_of_max_msg_size_sds,
	+ &max_msg_size);
	+ mc_tpld_drop_ref (&td);
	+ }
	+
	+ return max_msg_size;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_check_interval --
	+ *
	+ * Server Selection Spec:
	+ *
	+ * Only for single-threaded drivers.
	+ *
	+ * If a server is selected that has an existing connection that has been
	+ * idle for socketCheckIntervalMS, the driver MUST check the connection
	+ * with the "ping" command. If the ping succeeds, use the selected
	+ * connection. If not, set the server's type to Unknown and update the
	+ * Topology Description according to the Server Discovery and Monitoring
	+ * Spec, and attempt once more to select a server.
	+ *
	+ * Returns:
	+ * True if the check succeeded or no check was required, false if the
	+ * check failed.
	+ *
	+ * Side effects:
	+ * If a check fails, closes stream and may set server type Unknown.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_check_interval (mongoc_cluster_t *cluster, uint32_t server_id)
	+{
	+ mongoc_cmd_parts_t parts;
	+ mongoc_topology_t *topology;
	+ mongoc_topology_scanner_node_t *scanner_node;
	+ mongoc_stream_t *stream;
	+ int64_t now;
	+ bson_t command;
	+ bson_error_t error;
	+ bool r = true;
	+ mongoc_server_stream_t *server_stream;
	+ mongoc_server_description_t *handshake_sd;
	+
	+ topology = cluster->client->topology;
	+
	+ if (!topology->single_threaded) {
	+ return true;
	+ }
	+
	+ scanner_node =
	+ mongoc_topology_scanner_get_node (topology->scanner, server_id);
	+
	+ if (!scanner_node) {
	+ return false;
	+ }
	+
	+ BSON_ASSERT (!scanner_node->retired);
	+
	+ stream = scanner_node->stream;
	+
	+ if (!stream) {
	+ return false;
	+ }
	+
	+ handshake_sd = scanner_node->handshake_sd;
	+ BSON_ASSERT (handshake_sd);
	+
	+ now = bson_get_monotonic_time ();
	+
	+ if (scanner_node->last_used + (1000 * CHECK_CLOSED_DURATION_MSEC) < now) {
	+ if (mongoc_stream_check_closed (stream)) {
	+ mc_tpld_modification tdmod;
	+ bson_set_error (&error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "connection closed");
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+ tdmod = mc_tpld_modify_begin (topology);
	+ /* invalidate_server() is okay if 'server_id' was already removed. */
	+ mongoc_topology_description_invalidate_server (
	+ tdmod.new_td, server_id, &error);
	+ mc_tpld_modify_commit (tdmod);
	+ return false;
	+ }
	+ }
	+
	+ if (scanner_node->last_used + (1000 * cluster->socketcheckintervalms) <
	+ now) {
	+ mc_shared_tpld td;
	+
	+ bson_init (&command);
	+ BSON_APPEND_INT32 (&command, "ping", 1);
	+ mongoc_cmd_parts_init (
	+ &parts, cluster->client, "admin", MONGOC_QUERY_SECONDARY_OK, &command);
	+ parts.prohibit_lsid = true;
	+
	+ td = mc_tpld_take_ref (cluster->client->topology);
	+ server_stream =
	+ _mongoc_cluster_create_server_stream (td.ptr, handshake_sd, stream);
	+ mc_tpld_drop_ref (&td);
	+
	+ if (!server_stream) {
	+ bson_destroy (&command);
	+ return false;
	+ }
	+ r = mongoc_cluster_run_command_parts (
	+ cluster, server_stream, &parts, NULL, &error);
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+ bson_destroy (&command);
	+
	+ if (!r) {
	+ mc_tpld_modification tdmod;
	+ mongoc_cluster_disconnect_node (cluster, server_id);
	+ tdmod = mc_tpld_modify_begin (cluster->client->topology);
	+ /* invalidate_server() is okay if 'server_id' was already removed. */
	+ mongoc_topology_description_invalidate_server (
	+ tdmod.new_td, server_id, &error);
	+ mc_tpld_modify_commit (tdmod);
	+ }
	+ }
	+
	+ return r;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_legacy_rpc_sendv_to_server --
	+ *
	+ * Sends the given RPCs to the given server. Used for OP_QUERY cursors,
	+ * OP_KILLCURSORS, and legacy writes with OP_INSERT, OP_UPDATE, and
	+ * OP_DELETE. This function is not in the OP_QUERY command path.
	+ *
	+ * Returns:
	+ * True if successful.
	+ *
	+ * Side effects:
	+ * @rpc may be mutated and should be considered invalid after calling
	+ * this method.
	+ *
	+ * @error may be set.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_legacy_rpc_sendv_to_server (
	+ mongoc_cluster_t *cluster,
	+ mongoc_rpc_t *rpc,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error)
	+{
	+ uint32_t server_id;
	+ int32_t max_msg_size;
	+ bool ret = false;
	+ int32_t compressor_id = 0;
	+ char *output = NULL;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (rpc);
	+ BSON_ASSERT (server_stream);
	+
	+ server_id = server_stream->sd->id;
	+
	+ if (cluster->client->in_exhaust) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_IN_EXHAUST,
	+ "A cursor derived from this client is in exhaust.");
	+ GOTO (done);
	+ }
	+
	+ _mongoc_array_clear (&cluster->iov);
	+ compressor_id = mongoc_server_description_compressor_id (server_stream->sd);
	+
	+ _mongoc_rpc_gather (rpc, &cluster->iov);
	+ _mongoc_rpc_swab_to_le (rpc);
	+
	+ if (compressor_id != -1) {
	+ output = _mongoc_rpc_compress (cluster, compressor_id, rpc, error);
	+ if (output == NULL) {
	+ GOTO (done);
	+ }
	+ }
	+
	+ max_msg_size = mongoc_server_stream_max_msg_size (server_stream);
	+
	+ if (BSON_UINT32_FROM_LE (rpc->header.msg_len) > max_msg_size) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_TOO_BIG,
	+ "Attempted to send an RPC larger than the "
	+ "max allowed message size. Was %u, allowed %u.",
	+ BSON_UINT32_FROM_LE (rpc->header.msg_len),
	+ max_msg_size);
	+ GOTO (done);
	+ }
	+
	+ if (!_mongoc_stream_writev_full (server_stream->stream,
	+ cluster->iov.data,
	+ cluster->iov.len,
	+ cluster->sockettimeoutms,
	+ error)) {
	+ GOTO (done);
	+ }
	+
	+ _mongoc_topology_update_last_used (cluster->client->topology, server_id);
	+
	+ ret = true;
	+
	+done:
	+
	+ if (compressor_id) {
	+ bson_free (output);
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cluster_try_recv --
	+ *
	+ * Tries to receive the next event from the MongoDB server.
	+ * The contents are loaded into @buffer and then
	+ * scattered into the @rpc structure. @rpc is valid as long as
	+ * @buffer contains the contents read into it.
	+ *
	+ * Callers that can optimize a reuse of @buffer should do so. It
	+ * can save many memory allocations.
	+ *
	+ * Returns:
	+ * True if successful.
	+ *
	+ * Side effects:
	+ * @rpc is set on success, @error on failure.
	+ * @buffer will be filled with the input data.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cluster_try_recv (mongoc_cluster_t *cluster,
	+ mongoc_rpc_t *rpc,
	+ mongoc_buffer_t *buffer,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error)
	+{
	+ bson_error_t err_local;
	+ int32_t msg_len;
	+ int32_t max_msg_size;
	+ off_t pos;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cluster);
	+ BSON_ASSERT (rpc);
	+ BSON_ASSERT (buffer);
	+ BSON_ASSERT (server_stream);
	+
	+
	+ TRACE ("Waiting for reply from server_id \"%u\"", server_stream->sd->id);
	+
	+ if (!error) {
	+ error = &err_local;
	+ }
	+
	+ /*
	+ * Buffer the message length to determine how much more to read.
	+ */
	+ pos = buffer->len;
	+ if (!_mongoc_buffer_append_from_stream (
	+ buffer, server_stream->stream, 4, cluster->sockettimeoutms, error)) {
	+ MONGOC_DEBUG (
	+ "Could not read 4 bytes, stream probably closed or timed out");
	+ mongoc_counter_protocol_ingress_error_inc ();
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ RETURN (false);
	+ }
	+
	+ /*
	+ * Read the msg length from the buffer.
	+ */
	+ memcpy (&msg_len, &buffer->data[pos], 4);
	+ msg_len = BSON_UINT32_FROM_LE (msg_len);
	+ max_msg_size = mongoc_server_stream_max_msg_size (server_stream);
	+ if ((msg_len < 16) \|\| (msg_len > max_msg_size)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Corrupt or malicious reply received.");
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ mongoc_counter_protocol_ingress_error_inc ();
	+ RETURN (false);
	+ }
	+
	+ /*
	+ * Read the rest of the message from the stream.
	+ */
	+ if (!_mongoc_buffer_append_from_stream (buffer,
	+ server_stream->stream,
	+ msg_len - 4,
	+ cluster->sockettimeoutms,
	+ error)) {
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ mongoc_counter_protocol_ingress_error_inc ();
	+ RETURN (false);
	+ }
	+
	+ /*
	+ * Scatter the buffer into the rpc structure.
	+ */
	+ if (!_mongoc_rpc_scatter (rpc, &buffer->data[pos], msg_len)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Failed to decode reply from server.");
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ mongoc_counter_protocol_ingress_error_inc ();
	+ RETURN (false);
	+ }
	+
	+ if (BSON_UINT32_FROM_LE (rpc->header.opcode) == MONGOC_OPCODE_COMPRESSED) {
	+ uint8_t *buf = NULL;
	+ size_t len = BSON_UINT32_FROM_LE (rpc->compressed.uncompressed_size) +
	+ sizeof (mongoc_rpc_header_t);
	+
	+ buf = bson_malloc0 (len);
	+ if (!_mongoc_rpc_decompress (rpc, buf, len)) {
	+ bson_free (buf);
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Could not decompress server reply");
	+ RETURN (false);
	+ }
	+
	+ _mongoc_buffer_destroy (buffer);
	+ _mongoc_buffer_init (buffer, buf, len, NULL, NULL);
	+ }
	+ _mongoc_rpc_swab_from_le (rpc);
	+
	+ RETURN (true);
	+}
	+
	+
	+static void
	+network_error_reply (bson_t reply, mongoc_cmd_t cmd)
	+{
	+ bson_t labels;
	+
	+ if (reply) {
	+ bson_init (reply);
	+ }
	+
	+ if (cmd->session) {
	+ if (cmd->session->server_session) {
	+ cmd->session->server_session->dirty = true;
	+ }
	+ /* Transactions Spec defines TransientTransactionError: "Any
	+ * network error or server selection error encountered running any
	+ * command besides commitTransaction in a transaction. In the case
	+ * of command errors, the server adds the label; in the case of
	+ * network errors or server selection errors where the client
	+ * receives no server reply, the client adds the label." */
	+ if (_mongoc_client_session_in_txn (cmd->session) && !cmd->is_txn_finish) {
	+ /* Transaction Spec: "Drivers MUST unpin a ClientSession when a command
	+ * within a transaction, including commitTransaction and
	+ * abortTransaction,
	+ * fails with a TransientTransactionError". If we're about to add
	+ * a TransientTransactionError label due to a client side error then we
	+ * unpin. If commitTransaction/abortTransation includes a label in the
	+ * server reply, we unpin in _mongoc_client_session_handle_reply. */
	+ cmd->session->server_id = 0;
	+ if (!reply) {
	+ return;
	+ }
	+
	+ BSON_APPEND_ARRAY_BEGIN (reply, "errorLabels", &labels);
	+ BSON_APPEND_UTF8 (&labels, "0", TRANSIENT_TXN_ERR);
	+ bson_append_array_end (reply, &labels);
	+ }
	+ }
	+}
	+
	+
	+static bool
	+mongoc_cluster_run_opmsg (mongoc_cluster_t *cluster,
	+ mongoc_cmd_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_rpc_section_t section[2];
	+ mongoc_buffer_t buffer;
	+ bson_t reply_local; /* only statically initialized */
	+ char *output = NULL;
	+ mongoc_rpc_t rpc;
	+ int32_t msg_len;
	+ bool ok;
	+ mongoc_server_stream_t *server_stream;
	+
	+ server_stream = cmd->server_stream;
	+ if (!cmd->command_name) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Empty command document");
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+ if (cluster->client->in_exhaust) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_IN_EXHAUST,
	+ "A cursor derived from this client is in exhaust.");
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ _mongoc_array_clear (&cluster->iov);
	+ _mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
	+
	+ rpc.header.msg_len = 0;
	+ rpc.header.request_id = ++cluster->request_id;
	+ rpc.header.response_to = 0;
	+ rpc.header.opcode = MONGOC_OPCODE_MSG;
	+
	+ if (cmd->is_acknowledged) {
	+ rpc.msg.flags = 0;
	+ } else {
	+ rpc.msg.flags = MONGOC_MSG_MORE_TO_COME;
	+ }
	+
	+ rpc.msg.n_sections = 1;
	+
	+ section[0].payload_type = 0;
	+ section[0].payload.bson_document = bson_get_data (cmd->command);
	+ rpc.msg.sections[0] = section[0];
	+
	+ if (cmd->payload) {
	+ section[1].payload_type = 1;
	+ section[1].payload.sequence.size = cmd->payload_size +
	+ strlen (cmd->payload_identifier) + 1 +
	+ sizeof (int32_t);
	+ section[1].payload.sequence.identifier = cmd->payload_identifier;
	+ section[1].payload.sequence.bson_documents = cmd->payload;
	+ rpc.msg.sections[1] = section[1];
	+ rpc.msg.n_sections++;
	+ }
	+
	+ _mongoc_rpc_gather (&rpc, &cluster->iov);
	+ _mongoc_rpc_swab_to_le (&rpc);
	+
	+ if (mongoc_cmd_is_compressible (cmd)) {
	+ int32_t compressor_id =
	+ mongoc_server_description_compressor_id (server_stream->sd);
	+
	+ TRACE (
	+ "Function '%s' is compressible: %d", cmd->command_name, compressor_id);
	+ if (compressor_id != -1) {
	+ output = _mongoc_rpc_compress (cluster, compressor_id, &rpc, error);
	+ if (output == NULL) {
	+ _mongoc_bson_init_if_set (reply);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+ }
	+ }
	+ ok = _mongoc_stream_writev_full (server_stream->stream,
	+ (mongoc_iovec_t *) cluster->iov.data,
	+ cluster->iov.len,
	+ cluster->sockettimeoutms,
	+ error);
	+ if (!ok) {
	+ /* add info about the command to writev_full's error message */
	+ RUN_CMD_ERR_DECORATE;
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ server_stream->stream = NULL;
	+ bson_free (output);
	+ network_error_reply (reply, cmd);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+
	+ /* If acknowledged, wait for a server response. Otherwise, exit early */
	+ if (cmd->is_acknowledged) {
	+ ok = _mongoc_buffer_append_from_stream (
	+ &buffer, server_stream->stream, 4, cluster->sockettimeoutms, error);
	+ if (!ok) {
	+ RUN_CMD_ERR_DECORATE;
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ server_stream->stream = NULL;
	+ bson_free (output);
	+ network_error_reply (reply, cmd);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+
	+ BSON_ASSERT (buffer.len == 4);
	+ memcpy (&msg_len, buffer.data, 4);
	+ msg_len = BSON_UINT32_FROM_LE (msg_len);
	+ if ((msg_len < 16) \|\| (msg_len > server_stream->sd->max_msg_size)) {
	+ RUN_CMD_ERR (
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Message size %d is not within expected range 16-%d bytes",
	+ msg_len,
	+ server_stream->sd->max_msg_size);
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ server_stream->stream = NULL;
	+ bson_free (output);
	+ network_error_reply (reply, cmd);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+
	+ ok = _mongoc_buffer_append_from_stream (&buffer,
	+ server_stream->stream,
	+ (size_t) msg_len - 4,
	+ cluster->sockettimeoutms,
	+ error);
	+ if (!ok) {
	+ RUN_CMD_ERR_DECORATE;
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ server_stream->stream = NULL;
	+ bson_free (output);
	+ network_error_reply (reply, cmd);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+
	+ ok = _mongoc_rpc_scatter (&rpc, buffer.data, buffer.len);
	+ if (!ok) {
	+ RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Malformed message from server");
	+ bson_free (output);
	+ network_error_reply (reply, cmd);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+ if (BSON_UINT32_FROM_LE (rpc.header.opcode) == MONGOC_OPCODE_COMPRESSED) {
	+ size_t len = BSON_UINT32_FROM_LE (rpc.compressed.uncompressed_size) +
	+ sizeof (mongoc_rpc_header_t);
	+
	+ output = bson_realloc (output, len);
	+ if (!_mongoc_rpc_decompress (&rpc, (uint8_t *) output, len)) {
	+ RUN_CMD_ERR (MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Could not decompress message from server");
	+ _handle_network_error (
	+ cluster, server_stream, true /* handshake complete */, error);
	+ server_stream->stream = NULL;
	+ bson_free (output);
	+ network_error_reply (reply, cmd);
	+ _mongoc_buffer_destroy (&buffer);
	+ return false;
	+ }
	+ }
	+ _mongoc_rpc_swab_from_le (&rpc);
	+
	+ memcpy (&msg_len, rpc.msg.sections[0].payload.bson_document, 4);
	+ msg_len = BSON_UINT32_FROM_LE (msg_len);
	+ bson_init_static (
	+ &reply_local, rpc.msg.sections[0].payload.bson_document, msg_len);
	+
	+ _mongoc_topology_update_cluster_time (cluster->client->topology,
	+ &reply_local);
	+ ok = _mongoc_cmd_check_ok (
	+ &reply_local, cluster->client->error_api_version, error);
	+
	+ if (cmd->session) {
	+ _mongoc_client_session_handle_reply (cmd->session,
	+ cmd->is_acknowledged,
	+ cmd->command_name,
	+ &reply_local);
	+ }
	+
	+ if (reply) {
	+ bson_copy_to (&reply_local, reply);
	+ }
	+ } else {
	+ _mongoc_bson_init_if_set (reply);
	+ }
	+
	+ _mongoc_buffer_destroy (&buffer);
	+ bson_free (output);
	+
	+ return ok;
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd.c
	new file mode 100644
	index 00000000..3a71e8e1
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cmd.c
	@@ -0,0 +1,1197 @@
	+/*
	+ * Copyright 2017 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc-cmd-private.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-read-concern-private.h"
	+#include "mongoc-server-api-private.h"
	+#include "mongoc-write-concern-private.h"
	+/* For strcasecmp on Windows */
	+#include "mongoc-util-private.h"
	+
	+
	+void
	+mongoc_cmd_parts_init (mongoc_cmd_parts_t *parts,
	+ mongoc_client_t *client,
	+ const char *db_name,
	+ mongoc_query_flags_t user_query_flags,
	+ const bson_t *command_body)
	+{
	+ parts->body = command_body;
	+ parts->user_query_flags = user_query_flags;
	+ parts->read_prefs = NULL;
	+ parts->is_read_command = false;
	+ parts->is_write_command = false;
	+ parts->prohibit_lsid = false;
	+ parts->allow_txn_number = MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_UNKNOWN;
	+ parts->is_retryable_read = false;
	+ parts->is_retryable_write = false;
	+ parts->has_temp_session = false;
	+ parts->client = client;
	+ bson_init (&parts->read_concern_document);
	+ bson_init (&parts->write_concern_document);
	+ bson_init (&parts->extra);
	+ bson_init (&parts->assembled_body);
	+
	+ parts->assembled.db_name = db_name;
	+ parts->assembled.command = NULL;
	+ parts->assembled.query_flags = MONGOC_QUERY_NONE;
	+ parts->assembled.payload_identifier = NULL;
	+ parts->assembled.payload = NULL;
	+ parts->assembled.session = NULL;
	+ parts->assembled.is_acknowledged = true;
	+ parts->assembled.is_txn_finish = false;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cmd_parts_set_session --
	+ *
	+ * Set the client session field.
	+ *
	+ * Side effects:
	+ * Aborts if the command is assembled or if mongoc_cmd_parts_append_opts
	+ * was called before.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_cmd_parts_set_session (mongoc_cmd_parts_t *parts,
	+ mongoc_client_session_t *cs)
	+{
	+ BSON_ASSERT (parts);
	+ BSON_ASSERT (!parts->assembled.command);
	+ BSON_ASSERT (!parts->assembled.session);
	+
	+ parts->assembled.session = cs;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cmd_parts_append_opts --
	+ *
	+ * Take an iterator over user-supplied options document and append the
	+ * options to @parts->command_extra, taking the selected server's max
	+ * wire version into account.
	+ *
	+ * Return:
	+ * True if the options were successfully applied. If any options are
	+ * invalid, returns false and fills out @error. In that case @parts is
	+ * invalid and must not be used.
	+ *
	+ * Side effects:
	+ * May partly apply options before returning an error.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cmd_parts_append_opts (mongoc_cmd_parts_t *parts,
	+ bson_iter_t *iter,
	+ int max_wire_version,
	+ bson_error_t *error)
	+{
	+ mongoc_client_session_t *cs = NULL;
	+ mongoc_write_concern_t *wc;
	+ uint32_t len;
	+ const uint8_t *data;
	+ bson_t read_concern;
	+ const char *to_append;
	+
	+ ENTRY;
	+
	+ /* not yet assembled */
	+ BSON_ASSERT (!parts->assembled.command);
	+
	+ while (bson_iter_next (iter)) {
	+ if (BSON_ITER_IS_KEY (iter, "collation")) {
	+ if (max_wire_version < WIRE_VERSION_COLLATION) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "The selected server does not support collation");
	+ RETURN (false);
	+ }
	+
	+ } else if (BSON_ITER_IS_KEY (iter, "writeConcern")) {
	+ wc = _mongoc_write_concern_new_from_iter (iter, error);
	+ if (!wc) {
	+ RETURN (false);
	+ }
	+
	+ if (!mongoc_cmd_parts_set_write_concern (
	+ parts, wc, max_wire_version, error)) {
	+ mongoc_write_concern_destroy (wc);
	+ RETURN (false);
	+ }
	+
	+ mongoc_write_concern_destroy (wc);
	+ continue;
	+ } else if (BSON_ITER_IS_KEY (iter, "readConcern")) {
	+ if (max_wire_version < WIRE_VERSION_READ_CONCERN) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "The selected server does not support readConcern");
	+ RETURN (false);
	+ }
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT (iter)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "Invalid readConcern");
	+ RETURN (false);
	+ }
	+
	+ /* add readConcern later, once we know about causal consistency */
	+ bson_iter_document (iter, &len, &data);
	+ BSON_ASSERT (bson_init_static (&read_concern, data, (size_t) len));
	+ bson_destroy (&parts->read_concern_document);
	+ bson_copy_to (&read_concern, &parts->read_concern_document);
	+ continue;
	+ } else if (BSON_ITER_IS_KEY (iter, "sessionId")) {
	+ BSON_ASSERT (!parts->assembled.session);
	+
	+ if (!_mongoc_client_session_from_iter (
	+ parts->client, iter, &cs, error)) {
	+ RETURN (false);
	+ }
	+
	+ parts->assembled.session = cs;
	+ continue;
	+ } else if (BSON_ITER_IS_KEY (iter, "serverId") \|\|
	+ BSON_ITER_IS_KEY (iter, "maxAwaitTimeMS") \|\|
	+ BSON_ITER_IS_KEY (iter, "exhaust")) {
	+ continue;
	+ }
	+
	+ to_append = bson_iter_key (iter);
	+ if (!bson_append_iter (&parts->extra, to_append, -1, iter)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Failed to append \"%s\" to create command.",
	+ to_append);
	+ RETURN (false);
	+ }
	+ }
	+
	+ RETURN (true);
	+}
	+
	+
	+#define OPTS_ERR(_code, ...) \
	+ do { \
	+ bson_set_error ( \
	+ error, MONGOC_ERROR_COMMAND, MONGOC_ERROR_##_code, __VA_ARGS__); \
	+ RETURN (false); \
	+ } while (0)
	+
	+
	+/* set readConcern if allowed, otherwise error */
	+bool
	+mongoc_cmd_parts_set_read_concern (mongoc_cmd_parts_t *parts,
	+ const mongoc_read_concern_t *rc,
	+ int max_wire_version,
	+ bson_error_t *error)
	+{
	+ const char *command_name;
	+
	+ ENTRY;
	+
	+ /* In a txn, set read concern in mongoc_cmd_parts_assemble, not here. *
	+ * Transactions Spec: "The readConcern MUST NOT be inherited from the
	+ * collection, database, or client associated with the driver method that
	+ * invokes the first command." */
	+ if (_mongoc_client_session_in_txn (parts->assembled.session)) {
	+ RETURN (true);
	+ }
	+
	+ command_name = _mongoc_get_command_name (parts->body);
	+
	+ if (!command_name) {
	+ OPTS_ERR (COMMAND_INVALID_ARG, "Empty command document");
	+ }
	+
	+ if (mongoc_read_concern_is_default (rc)) {
	+ RETURN (true);
	+ }
	+
	+ if (max_wire_version < WIRE_VERSION_READ_CONCERN) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "\"%s\" command does not support readConcern with "
	+ "wire version %d, wire version %d is required",
	+ command_name,
	+ max_wire_version,
	+ WIRE_VERSION_READ_CONCERN);
	+ RETURN (false);
	+ }
	+
	+ bson_destroy (&parts->read_concern_document);
	+ bson_copy_to (_mongoc_read_concern_get_bson ((mongoc_read_concern_t *) rc),
	+ &parts->read_concern_document);
	+
	+ RETURN (true);
	+}
	+
	+
	+/* set writeConcern if allowed, otherwise ignore - unlike set_read_concern, it's
	+ * the caller's responsibility to check if writeConcern is supported */
	+bool
	+mongoc_cmd_parts_set_write_concern (mongoc_cmd_parts_t *parts,
	+ const mongoc_write_concern_t *wc,
	+ int max_wire_version,
	+ bson_error_t *error)
	+{
	+ const char *command_name;
	+ bool is_fam;
	+ bool wc_allowed;
	+
	+ ENTRY;
	+
	+ if (!wc) {
	+ RETURN (true);
	+ }
	+
	+ command_name = _mongoc_get_command_name (parts->body);
	+
	+ if (!command_name) {
	+ OPTS_ERR (COMMAND_INVALID_ARG, "Empty command document");
	+ }
	+
	+ is_fam = !strcasecmp (command_name, "findandmodify");
	+
	+ wc_allowed =
	+ parts->is_write_command \|\|
	+ (is_fam && max_wire_version >= WIRE_VERSION_FAM_WRITE_CONCERN) \|\|
	+ (!is_fam && max_wire_version >= WIRE_VERSION_CMD_WRITE_CONCERN);
	+
	+ if (wc_allowed) {
	+ parts->assembled.is_acknowledged =
	+ mongoc_write_concern_is_acknowledged (wc);
	+ bson_destroy (&parts->write_concern_document);
	+ bson_copy_to (
	+ _mongoc_write_concern_get_bson ((mongoc_write_concern_t *) wc),
	+ &parts->write_concern_document);
	+ }
	+
	+ RETURN (true);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cmd_parts_append_read_write --
	+ *
	+ * Append user-supplied options to @parts->command_extra, taking the
	+ * selected server's max wire version into account.
	+ *
	+ * Return:
	+ * True if the options were successfully applied. If any options are
	+ * invalid, returns false and fills out @error. In that case @parts is
	+ * invalid and must not be used.
	+ *
	+ * Side effects:
	+ * May partly apply options before returning an error.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cmd_parts_append_read_write (mongoc_cmd_parts_t *parts,
	+ mongoc_read_write_opts_t *rw_opts,
	+ int max_wire_version,
	+ bson_error_t *error)
	+{
	+ ENTRY;
	+
	+ /* not yet assembled */
	+ BSON_ASSERT (!parts->assembled.command);
	+
	+ if (!bson_empty (&rw_opts->collation)) {
	+ if (max_wire_version < WIRE_VERSION_COLLATION) {
	+ OPTS_ERR (PROTOCOL_BAD_WIRE_VERSION,
	+ "The selected server does not support collation");
	+ }
	+
	+ if (!bson_append_document (
	+ &parts->extra, "collation", 9, &rw_opts->collation)) {
	+ OPTS_ERR (COMMAND_INVALID_ARG, "'opts' with 'collation' is too large");
	+ }
	+ }
	+
	+ if (!mongoc_cmd_parts_set_write_concern (
	+ parts, rw_opts->writeConcern, max_wire_version, error)) {
	+ RETURN (false);
	+ }
	+
	+ /* process explicit read concern */
	+ if (!bson_empty (&rw_opts->readConcern)) {
	+ if (max_wire_version < WIRE_VERSION_READ_CONCERN) {
	+ OPTS_ERR (PROTOCOL_BAD_WIRE_VERSION,
	+ "The selected server does not support readConcern");
	+ }
	+
	+ /* save readConcern for later, once we know about causal consistency */
	+ bson_destroy (&parts->read_concern_document);
	+ bson_copy_to (&rw_opts->readConcern, &parts->read_concern_document);
	+ }
	+
	+ if (rw_opts->client_session) {
	+ BSON_ASSERT (!parts->assembled.session);
	+ parts->assembled.session = rw_opts->client_session;
	+ }
	+
	+ if (!bson_concat (&parts->extra, &rw_opts->extra)) {
	+ OPTS_ERR (COMMAND_INVALID_ARG, "'opts' with extra fields is too large");
	+ }
	+
	+ RETURN (true);
	+}
	+
	+#undef OPTS_ERR
	+
	+static void
	+_mongoc_cmd_parts_ensure_copied (mongoc_cmd_parts_t *parts)
	+{
	+ if (parts->assembled.command == parts->body) {
	+ bson_concat (&parts->assembled_body, parts->body);
	+ bson_concat (&parts->assembled_body, &parts->extra);
	+ parts->assembled.command = &parts->assembled_body;
	+ }
	+}
	+
	+
	+static void
	+_mongoc_cmd_parts_add_write_concern (mongoc_cmd_parts_t *parts)
	+{
	+ if (!bson_empty (&parts->write_concern_document)) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_document (&parts->assembled_body,
	+ "writeConcern",
	+ 12,
	+ &parts->write_concern_document);
	+ }
	+}
	+
	+
	+/* The server type must be mongos, or message must be OP_MSG. */
	+static void
	+_mongoc_cmd_parts_add_read_prefs (bson_t *query,
	+ const mongoc_read_prefs_t *prefs)
	+{
	+ bson_t child;
	+ const char *mode_str;
	+ const bson_t *tags;
	+ int64_t stale;
	+ const bson_t *hedge;
	+
	+ mode_str = _mongoc_read_mode_as_str (mongoc_read_prefs_get_mode (prefs));
	+ tags = mongoc_read_prefs_get_tags (prefs);
	+ stale = mongoc_read_prefs_get_max_staleness_seconds (prefs);
	+ hedge = mongoc_read_prefs_get_hedge (prefs);
	+
	+ bson_append_document_begin (query, "$readPreference", 15, &child);
	+ bson_append_utf8 (&child, "mode", 4, mode_str, -1);
	+ if (!bson_empty0 (tags)) {
	+ bson_append_array (&child, "tags", 4, tags);
	+ }
	+
	+ if (stale != MONGOC_NO_MAX_STALENESS) {
	+ bson_append_int64 (&child, "maxStalenessSeconds", 19, stale);
	+ }
	+
	+ if (!bson_empty0 (hedge)) {
	+ bson_append_document (&child, "hedge", 5, hedge);
	+ }
	+
	+ bson_append_document_end (query, &child);
	+}
	+
	+
	+static void
	+_iter_concat (bson_t dst, bson_iter_t iter)
	+{
	+ uint32_t len;
	+ const uint8_t *data;
	+ bson_t src;
	+
	+ bson_iter_document (iter, &len, &data);
	+ BSON_ASSERT (bson_init_static (&src, data, len));
	+ BSON_ASSERT (bson_concat (dst, &src));
	+}
	+
	+
	+/* Update result with the read prefs. Server must be mongos.
	+ */
	+static void
	+_mongoc_cmd_parts_assemble_mongos (mongoc_cmd_parts_t *parts,
	+ const mongoc_server_stream_t *server_stream)
	+{
	+ mongoc_read_mode_t mode;
	+ const bson_t *tags = NULL;
	+ int64_t max_staleness_seconds = MONGOC_NO_MAX_STALENESS;
	+ const bson_t *hedge = NULL;
	+ bool add_read_prefs = false;
	+ bson_t query;
	+ bson_iter_t dollar_query;
	+ bool has_dollar_query = false;
	+ bool requires_read_concern;
	+ bool requires_write_concern;
	+
	+ ENTRY;
	+
	+ mode = mongoc_read_prefs_get_mode (parts->read_prefs);
	+ if (parts->read_prefs) {
	+ max_staleness_seconds =
	+ mongoc_read_prefs_get_max_staleness_seconds (parts->read_prefs);
	+
	+ tags = mongoc_read_prefs_get_tags (parts->read_prefs);
	+ hedge = mongoc_read_prefs_get_hedge (parts->read_prefs);
	+ }
	+
	+ if (server_stream->must_use_primary) {
	+ /* Server selection has overriden the read mode used to generate this
	+ * server stream. This has effects on the body of the message that we send
	+ * to the server */
	+ mode = MONGOC_READ_PRIMARY;
	+ }
	+
	+ /* Server Selection Spec says:
	+ *
	+ * For mode 'primary', drivers MUST NOT set the secondaryOk wire protocol
	+ * flag and MUST NOT use $readPreference
	+ *
	+ * For mode 'secondary', drivers MUST set the secondaryOk wire protocol flag
	+ * and MUST also use $readPreference
	+ *
	+ * For mode 'primaryPreferred', drivers MUST set the secondaryOk wire
	+ * protocol flag and MUST also use $readPreference
	+ *
	+ * For mode 'secondaryPreferred', drivers MUST set the secondaryOk wire
	+ * protocol flag. If the read preference contains a non-empty tag_sets
	+ * parameter, maxStalenessSeconds is a positive integer, or the hedge
	+ * parameter is non-empty, drivers MUST use $readPreference; otherwise,
	+ * drivers MUST NOT use $readPreference
	+ *
	+ * For mode 'nearest', drivers MUST set the secondaryOk wire protocol flag
	+ * and MUST also use $readPreference
	+ */
	+ switch (mode) {
	+ case MONGOC_READ_PRIMARY:
	+ break;
	+ case MONGOC_READ_SECONDARY_PREFERRED:
	+ if (!bson_empty0 (tags) \|\| max_staleness_seconds > 0 \|\|
	+ !bson_empty0 (hedge)) {
	+ add_read_prefs = true;
	+ }
	+ parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ break;
	+ case MONGOC_READ_PRIMARY_PREFERRED:
	+ case MONGOC_READ_SECONDARY:
	+ case MONGOC_READ_NEAREST:
	+ default:
	+ parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ add_read_prefs = true;
	+ }
	+
	+ requires_read_concern =
	+ !bson_empty (&parts->read_concern_document) &&
	+ strcmp (parts->assembled.command_name, "getMore") != 0;
	+
	+ requires_write_concern = !bson_empty (&parts->write_concern_document);
	+
	+ if (add_read_prefs) {
	+ /* produce {$query: {user query, readConcern}, $readPreference: ... } */
	+ bson_append_document_begin (&parts->assembled_body, "$query", 6, &query);
	+
	+ if (bson_iter_init_find (&dollar_query, parts->body, "$query")) {
	+ /* user provided something like {$query: {key: "x"}} */
	+ has_dollar_query = true;
	+ _iter_concat (&query, &dollar_query);
	+ } else {
	+ bson_concat (&query, parts->body);
	+ }
	+
	+ bson_concat (&query, &parts->extra);
	+ if (requires_read_concern) {
	+ bson_append_document (
	+ &query, "readConcern", 11, &parts->read_concern_document);
	+ }
	+
	+ if (requires_write_concern) {
	+ bson_append_document (
	+ &query, "writeConcern", 12, &parts->write_concern_document);
	+ }
	+
	+ bson_append_document_end (&parts->assembled_body, &query);
	+ _mongoc_cmd_parts_add_read_prefs (&parts->assembled_body,
	+ parts->read_prefs);
	+
	+ if (has_dollar_query) {
	+ /* copy anything that isn't in user's $query */
	+ bson_copy_to_excluding_noinit (
	+ parts->body, &parts->assembled_body, "$query", NULL);
	+ }
	+
	+ parts->assembled.command = &parts->assembled_body;
	+ } else if (bson_iter_init_find (&dollar_query, parts->body, "$query")) {
	+ /* user provided $query, we have no read prefs */
	+ bson_append_document_begin (&parts->assembled_body, "$query", 6, &query);
	+ _iter_concat (&query, &dollar_query);
	+ bson_concat (&query, &parts->extra);
	+ if (requires_read_concern) {
	+ bson_append_document (
	+ &query, "readConcern", 11, &parts->read_concern_document);
	+ }
	+
	+ if (requires_write_concern) {
	+ bson_append_document (
	+ &query, "writeConcern", 12, &parts->write_concern_document);
	+ }
	+
	+ bson_append_document_end (&parts->assembled_body, &query);
	+ /* copy anything that isn't in user's $query */
	+ bson_copy_to_excluding_noinit (
	+ parts->body, &parts->assembled_body, "$query", NULL);
	+
	+ parts->assembled.command = &parts->assembled_body;
	+ } else {
	+ if (requires_read_concern) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_document (&parts->assembled_body,
	+ "readConcern",
	+ 11,
	+ &parts->read_concern_document);
	+ }
	+
	+ _mongoc_cmd_parts_add_write_concern (parts);
	+ }
	+
	+ if (!bson_empty (&parts->extra)) {
	+ /* if none of the above logic has merged "extra", do it now */
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ }
	+
	+ EXIT;
	+}
	+
	+
	+static void
	+_mongoc_cmd_parts_assemble_mongod (mongoc_cmd_parts_t *parts,
	+ const mongoc_server_stream_t *server_stream)
	+{
	+ ENTRY;
	+
	+ if (!parts->is_write_command) {
	+ switch (server_stream->topology_type) {
	+ case MONGOC_TOPOLOGY_SINGLE:
	+ /* Server Selection Spec: for topology type single and server types
	+ * besides mongos, "clients MUST always set the secondaryOk wire
	+ * protocol flag on reads to ensure that any server type can handle
	+ * the request."
	+ */
	+ parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ break;
	+
	+ case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	+ case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	+ /* Server Selection Spec: for RS topology types, "For all read
	+ * preferences modes except primary, clients MUST set the secondaryOk
	+ * wire protocol flag to ensure that any suitable server can handle the
	+ * request. Clients MUST NOT set the secondaryOk wire protocol flag if
	+ * the read preference mode is primary.
	+ */
	+ if (parts->read_prefs &&
	+ parts->read_prefs->mode != MONGOC_READ_PRIMARY) {
	+ parts->assembled.query_flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ }
	+
	+ break;
	+ case MONGOC_TOPOLOGY_SHARDED:
	+ case MONGOC_TOPOLOGY_UNKNOWN:
	+ case MONGOC_TOPOLOGY_LOAD_BALANCED:
	+ case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	+ default:
	+ /* must not call this function w/ sharded, load balanced, or unknown
	+ * topology type */
	+ BSON_ASSERT (false);
	+ }
	+ } /* if (!parts->is_write_command) */
	+
	+ if (!bson_empty (&parts->extra)) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ }
	+
	+ if (!bson_empty (&parts->read_concern_document) &&
	+ strcmp (parts->assembled.command_name, "getMore") != 0) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_document (&parts->assembled_body,
	+ "readConcern",
	+ 11,
	+ &parts->read_concern_document);
	+ }
	+
	+ _mongoc_cmd_parts_add_write_concern (parts);
	+
	+ EXIT;
	+}
	+
	+
	+static const bson_t *
	+_largest_cluster_time (const bson_t a, const bson_t b)
	+{
	+ if (!a) {
	+ return b;
	+ }
	+
	+ if (!b) {
	+ return a;
	+ }
	+
	+ if (_mongoc_cluster_time_greater (a, b)) {
	+ return a;
	+ }
	+
	+ return b;
	+}
	+
	+
	+/* Check if the command should allow a transaction number if that has not
	+ * already been determined.
	+ *
	+ * This should only return true for write commands that are always retryable for
	+ * the server stream's wire version.
	+ *
	+ * The basic write commands (i.e. insert, update, delete) are intentionally
	+ * excluded here. While insert is always retryable, update and delete are only
	+ * retryable if they include no multi-document writes. Since it would be costly
	+ * to inspect the command document here, the bulk operation API explicitly sets
	+ * allow_txn_number for us. This means that insert, update, and delete are not
	+ * retryable if executed via mongoc_client_write_command_with_opts(); however,
	+ * documentation already instructs users not to use that for basic writes.
	+ */
	+static bool
	+_allow_txn_number (const mongoc_cmd_parts_t *parts,
	+ const mongoc_server_stream_t *server_stream)
	+{
	+ /* There is no reason to call this function if allow_txn_number is set */
	+ BSON_ASSERT (parts->allow_txn_number ==
	+ MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_UNKNOWN);
	+
	+ if (!parts->is_write_command) {
	+ return false;
	+ }
	+
	+ if (server_stream->sd->max_wire_version < WIRE_VERSION_RETRY_WRITES) {
	+ return false;
	+ }
	+
	+ if (!parts->assembled.is_acknowledged) {
	+ return false;
	+ }
	+
	+ if (!strcasecmp (parts->assembled.command_name, "findandmodify")) {
	+ return true;
	+ }
	+
	+ return false;
	+}
	+
	+
	+/* Check if the write command should support retryable behavior. */
	+static bool
	+_is_retryable_write (const mongoc_cmd_parts_t *parts,
	+ const mongoc_server_stream_t *server_stream)
	+{
	+ if (!parts->assembled.session) {
	+ return false;
	+ }
	+
	+ if (!parts->is_write_command) {
	+ return false;
	+ }
	+
	+ if (parts->allow_txn_number != MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_YES) {
	+ return false;
	+ }
	+
	+ if (server_stream->sd->max_wire_version < WIRE_VERSION_RETRY_WRITES) {
	+ return false;
	+ }
	+
	+ if (server_stream->sd->type == MONGOC_SERVER_STANDALONE) {
	+ return false;
	+ }
	+
	+ if (_mongoc_client_session_in_txn (parts->assembled.session)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_get_option_as_bool (parts->client->uri,
	+ MONGOC_URI_RETRYWRITES,
	+ MONGOC_DEFAULT_RETRYWRITES)) {
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+/* Check if the read command should support retryable behavior. */
	+bool
	+_is_retryable_read (const mongoc_cmd_parts_t *parts,
	+ const mongoc_server_stream_t *server_stream)
	+{
	+ if (!parts->is_read_command) {
	+ return false;
	+ }
	+
	+ /* Commands that go through read_write_command helpers are also write
	+ * commands. Prohibit from read retry. */
	+ if (parts->is_write_command) {
	+ return false;
	+ }
	+
	+ if (server_stream->sd->max_wire_version < WIRE_VERSION_RETRY_READS) {
	+ return false;
	+ }
	+
	+ if (_mongoc_client_session_in_txn (parts->assembled.session)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_get_option_as_bool (parts->client->uri,
	+ MONGOC_URI_RETRYREADS,
	+ MONGOC_DEFAULT_RETRYREADS)) {
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cmd_parts_assemble --
	+ *
	+ * Assemble the command body, options, and read preference into one
	+ * command.
	+ *
	+ * Return:
	+ * True if the options were successfully applied. If any options are
	+ * invalid, returns false and fills out @error. In that case @parts is
	+ * invalid and must not be used.
	+ *
	+ * Side effects:
	+ * May partly assemble before returning an error.
	+ * mongoc_cmd_parts_cleanup should be called in all cases.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cmd_parts_assemble (mongoc_cmd_parts_t *parts,
	+ mongoc_server_stream_t *server_stream,
	+ bson_error_t *error)
	+{
	+ mongoc_server_description_type_t server_type;
	+ mongoc_client_session_t *cs;
	+ const bson_t *cluster_time = NULL;
	+ mongoc_read_prefs_t *prefs = NULL;
	+ const char *cmd_name;
	+ bool is_get_more;
	+ const mongoc_read_prefs_t *prefs_ptr;
	+ mongoc_read_mode_t mode = mongoc_read_prefs_get_mode (parts->read_prefs);
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (parts);
	+ BSON_ASSERT (server_stream);
	+
	+ server_type = server_stream->sd->type;
	+ cs = parts->prohibit_lsid ? NULL : parts->assembled.session;
	+
	+ /* Assembling the command depends on the type of server. If the server has
	+ * been invalidated, error. */
	+ if (server_type == MONGOC_SERVER_UNKNOWN) {
	+ if (error) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot assemble command for invalidated server: %s",
	+ server_stream->sd->error.message);
	+ }
	+ RETURN (false);
	+ }
	+
	+ /* must not be assembled already */
	+ BSON_ASSERT (!parts->assembled.command);
	+ BSON_ASSERT (bson_empty (&parts->assembled_body));
	+
	+ /* begin with raw flags/cmd as assembled flags/cmd, might change below */
	+ parts->assembled.command = parts->body;
	+ /* unused in OP_MSG: */
	+ parts->assembled.query_flags = parts->user_query_flags;
	+ parts->assembled.server_stream = server_stream;
	+ cmd_name = parts->assembled.command_name =
	+ _mongoc_get_command_name (parts->assembled.command);
	+
	+ if (!parts->assembled.command_name) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Empty command document");
	+ GOTO (done);
	+ }
	+
	+ TRACE ("Preparing '%s'", cmd_name);
	+
	+ is_get_more = !strcmp (cmd_name, "getMore");
	+ parts->assembled.is_txn_finish = !strcmp (cmd_name, "commitTransaction") \|\|
	+ !strcmp (cmd_name, "abortTransaction");
	+
	+ if (!parts->is_write_command && IS_PREF_PRIMARY (parts->read_prefs) &&
	+ server_stream->topology_type == MONGOC_TOPOLOGY_SINGLE &&
	+ server_type != MONGOC_SERVER_MONGOS) {
	+ prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
	+ prefs_ptr = prefs;
	+ } else {
	+ prefs_ptr = parts->read_prefs;
	+ }
	+
	+ mode = mongoc_read_prefs_get_mode (prefs_ptr);
	+ if (server_stream->must_use_primary) {
	+ /* Server selection may have overriden the read mode used to generate this
	+ * server stream. This has effects on the body of the message that we send
	+ * to the server */
	+ mode = MONGOC_READ_PRIMARY;
	+ }
	+
	+ if (server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG) {
	+ if (!bson_has_field (parts->body, "$db")) {
	+ BSON_APPEND_UTF8 (&parts->extra, "$db", parts->assembled.db_name);
	+ }
	+
	+ if (cs && _mongoc_client_session_in_txn (cs)) {
	+ if (!IS_PREF_PRIMARY (cs->txn.opts.read_prefs) &&
	+ !parts->is_write_command) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_TRANSACTION,
	+ MONGOC_ERROR_TRANSACTION_INVALID_STATE,
	+ "Read preference in a transaction must be primary");
	+ GOTO (done);
	+ }
	+ } else if (mode != MONGOC_READ_PRIMARY &&
	+ server_type != MONGOC_SERVER_STANDALONE) {
	+ /* "Type Standalone: clients MUST NOT send the read preference to the
	+ * server" */
	+ _mongoc_cmd_parts_add_read_prefs (&parts->extra, prefs_ptr);
	+ }
	+
	+ if (!bson_empty (&parts->extra)) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ }
	+
	+ /* If an explicit session was not provided and lsid is not prohibited,
	+ * attempt to create an implicit session (ignoring any errors). */
	+ if (!cs && !parts->prohibit_lsid && parts->assembled.is_acknowledged) {
	+ cs = mongoc_client_start_session (parts->client, NULL, NULL);
	+
	+ if (cs) {
	+ parts->assembled.session = cs;
	+ parts->has_temp_session = true;
	+ }
	+ }
	+
	+ /* Driver Sessions Spec: "For unacknowledged writes with an explicit
	+ * session, drivers SHOULD raise an error.... Without an explicit
	+ * session, drivers SHOULD NOT use an implicit session." We intentionally
	+ * do not restrict this logic to parts->is_write_command, since
	+ * mongoc_client_command_with_opts() does not identify as a write
	+ * command but may still include a write concern.
	+ */
	+ if (cs) {
	+ if (!parts->assembled.is_acknowledged) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot use client session with unacknowledged command");
	+ GOTO (done);
	+ }
	+
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_document (&parts->assembled_body,
	+ "lsid",
	+ 4,
	+ mongoc_client_session_get_lsid (cs));
	+
	+ cs->server_session->last_used_usec = bson_get_monotonic_time ();
	+ cluster_time = mongoc_client_session_get_cluster_time (cs);
	+ }
	+
	+ /* Ensure we know if the write command allows a transaction number */
	+ if (!_mongoc_client_session_txn_in_progress (cs) &&
	+ parts->is_write_command &&
	+ parts->allow_txn_number ==
	+ MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_UNKNOWN) {
	+ parts->allow_txn_number = _allow_txn_number (parts, server_stream)
	+ ? MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_YES
	+ : MONGOC_CMD_PARTS_ALLOW_TXN_NUMBER_NO;
	+ }
	+
	+ /* Determine if the command is retryable. If so, append txnNumber now
	+ * for future use and mark the command as such. */
	+ if (_is_retryable_write (parts, server_stream)) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_int64 (&parts->assembled_body, "txnNumber", 9, 0);
	+ parts->is_retryable_write = true;
	+ }
	+
	+ /* Conversely, check if the command is retryable if it is a read. */
	+ if (_is_retryable_read (parts, server_stream) && !is_get_more) {
	+ parts->is_retryable_read = true;
	+ }
	+
	+ if (!bson_empty (&server_stream->cluster_time)) {
	+ cluster_time =
	+ _largest_cluster_time (&server_stream->cluster_time, cluster_time);
	+ }
	+
	+ if (cluster_time && server_type != MONGOC_SERVER_STANDALONE) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_document (
	+ &parts->assembled_body, "$clusterTime", 12, cluster_time);
	+ }
	+
	+ /* Add versioned server api, if it is set. */
	+ if (parts->client->api) {
	+ _mongoc_cmd_append_server_api (&parts->assembled_body,
	+ parts->client->api);
	+ }
	+
	+ if (!is_get_more) {
	+ if (cs) {
	+ /* Snapshot Sessions Spec: "Snapshot reads require MongoDB 5.0+."
	+ * Throw an error if snapshot is enabled and wire version is less
	+ * than 13 before potentially appending "snapshot" read concern. */
	+ if (mongoc_session_opts_get_snapshot (&cs->opts) &&
	+ server_stream->sd->max_wire_version <
	+ WIRE_VERSION_SNAPSHOT_READS) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_SESSION_FAILURE,
	+ "Snapshot reads require MongoDB 5.0 or later");
	+ GOTO (done);
	+ }
	+
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ _mongoc_client_session_append_read_concern (
	+ cs,
	+ &parts->read_concern_document,
	+ parts->is_read_command,
	+ &parts->assembled_body);
	+ } else if (!bson_empty (&parts->read_concern_document)) {
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ bson_append_document (&parts->assembled_body,
	+ "readConcern",
	+ 11,
	+ &parts->read_concern_document);
	+ }
	+ }
	+
	+ /* if transaction is in progress do not inherit write concern */
	+ if (parts->assembled.is_txn_finish \|\|
	+ !_mongoc_client_session_in_txn (cs)) {
	+ _mongoc_cmd_parts_add_write_concern (parts);
	+ }
	+
	+ _mongoc_cmd_parts_ensure_copied (parts);
	+ if (!_mongoc_client_session_append_txn (
	+ cs, &parts->assembled_body, error)) {
	+ GOTO (done);
	+ }
	+
	+ ret = true;
	+ } else if (server_type == MONGOC_SERVER_MONGOS \|\|
	+ server_stream->topology_type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ /* TODO (CDRIVER-4117) remove the check of the topology description type.
	+ */
	+ _mongoc_cmd_parts_assemble_mongos (parts, server_stream);
	+ ret = true;
	+ } else {
	+ _mongoc_cmd_parts_assemble_mongod (parts, server_stream);
	+ ret = true;
	+ }
	+
	+done:
	+ mongoc_read_prefs_destroy (prefs);
	+ RETURN (ret);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cmd_parts_cleanup --
	+ *
	+ * Free memory associated with a stack-allocated mongoc_cmd_parts_t.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_cmd_parts_cleanup (mongoc_cmd_parts_t *parts)
	+{
	+ bson_destroy (&parts->read_concern_document);
	+ bson_destroy (&parts->write_concern_document);
	+ bson_destroy (&parts->extra);
	+ bson_destroy (&parts->assembled_body);
	+
	+ if (parts->has_temp_session) {
	+ /* client session returns its server session to server session pool */
	+ mongoc_client_session_destroy (parts->assembled.session);
	+ }
	+}
	+
	+bool
	+mongoc_cmd_is_compressible (mongoc_cmd_t *cmd)
	+{
	+ BSON_ASSERT (cmd);
	+ BSON_ASSERT (cmd->command_name);
	+
	+ return !!strcasecmp (cmd->command_name, "hello") &&
	+ !!strcasecmp (cmd->command_name, HANDSHAKE_CMD_LEGACY_HELLO) &&
	+ !!strcasecmp (cmd->command_name, "authenticate") &&
	+ !!strcasecmp (cmd->command_name, "getnonce") &&
	+ !!strcasecmp (cmd->command_name, "saslstart") &&
	+ !!strcasecmp (cmd->command_name, "saslcontinue") &&
	+ !!strcasecmp (cmd->command_name, "createuser") &&
	+ !!strcasecmp (cmd->command_name, "updateuser");
	+}
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cmd_append_payload_as_array --
	+ * Append a write command payload as an array in a BSON document.
	+ * Used by APM and Client-Side Encryption
	+ *
	+ * Arguments:
	+ * cmd The mongoc_cmd_t, which may contain a payload to be appended.
	+ * out A bson_t, which will be appended to if @cmd->payload is set.
	+ *
	+ * Pre-conditions:
	+ * - @out is initialized.
	+ * - cmd has a payload (i.e. is a write command).
	+ *
	+ * Post-conditions:
	+ * - If @cmd->payload is set, then @out is appended to with the payload
	+ * field's name ("documents" if insert, "updates" if update,
	+ * "deletes" if delete) an the payload as a BSON array.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_mongoc_cmd_append_payload_as_array (const mongoc_cmd_t cmd, bson_t out)
	+{
	+ int32_t doc_len;
	+ bson_t doc;
	+ const uint8_t *pos;
	+ const char *field_name;
	+ bson_t bson;
	+ char str[16];
	+ const char *key;
	+ uint32_t i;
	+
	+ BSON_ASSERT (cmd->payload && cmd->payload_size);
	+
	+ /* make array from outgoing OP_MSG payload type 1 on an "insert",
	+ * "update", or "delete" command. */
	+ field_name = _mongoc_get_documents_field_name (cmd->command_name);
	+ BSON_ASSERT (field_name);
	+ BSON_ASSERT (BSON_APPEND_ARRAY_BEGIN (out, field_name, &bson));
	+
	+ pos = cmd->payload;
	+ i = 0;
	+ while (pos < cmd->payload + cmd->payload_size) {
	+ memcpy (&doc_len, pos, sizeof (doc_len));
	+ doc_len = BSON_UINT32_FROM_LE (doc_len);
	+ BSON_ASSERT (bson_init_static (&doc, pos, (size_t) doc_len));
	+ bson_uint32_to_string (i, &key, str, sizeof (str));
	+ BSON_APPEND_DOCUMENT (&bson, key, &doc);
	+
	+ pos += doc_len;
	+ i++;
	+ }
	+
	+ bson_append_array_end (out, &bson);
	+}
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _mongoc_cmd_append_server_api --
	+ * Append versioned API fields to a mongoc_cmd_t
	+ *
	+ * Arguments:
	+ * cmd The mongoc_cmd_t, which will have versioned API fields added
	+ * api A mongoc_server_api_t holding server API information
	+ *
	+ * Pre-conditions:
	+ * - @api is initialized.
	+ * - @command_body is initialised
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_mongoc_cmd_append_server_api (bson_t *command_body,
	+ const mongoc_server_api_t *api)
	+{
	+ const char *string_version;
	+
	+ BSON_ASSERT (command_body);
	+ BSON_ASSERT (api);
	+
	+ string_version = mongoc_server_api_version_to_string (api->version);
	+
	+ bson_append_utf8 (command_body, "apiVersion", -1, string_version, -1);
	+
	+ if (api->strict.is_set) {
	+ bson_append_bool (command_body, "apiStrict", -1, api->strict.value);
	+ }
	+
	+ if (api->deprecation_errors.is_set) {
	+ bson_append_bool (command_body,
	+ "apiDeprecationErrors",
	+ -1,
	+ api->deprecation_errors.value);
	+ }
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.c
	new file mode 100644
	index 00000000..38a2377a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.c
	@@ -0,0 +1,3592 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include <stdio.h>
	+
	+#include "mongoc-aggregate-private.h"
	+#include "mongoc-bulk-operation.h"
	+#include "mongoc-bulk-operation-private.h"
	+#include "mongoc-change-stream-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-find-and-modify-private.h"
	+#include "mongoc-find-and-modify.h"
	+#include "mongoc-collection.h"
	+#include "mongoc-collection-private.h"
	+#include "mongoc-cursor-private.h"
	+#include "mongoc-error.h"
	+#include "mongoc-index.h"
	+#include "mongoc-log.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-read-concern-private.h"
	+#include "mongoc-write-concern-private.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-write-command-private.h"
	+#include "mongoc-opts-private.h"
	+#include "mongoc-write-command-private.h"
	+#include "mongoc-error-private.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "collection"
	+
	+static void
	+_mongoc_collection_write_command_execute (
	+ mongoc_write_command_t *command,
	+ const mongoc_collection_t *collection,
	+ const mongoc_write_concern_t *write_concern,
	+ mongoc_client_session_t *cs,
	+ mongoc_write_result_t *result)
	+{
	+ mongoc_server_stream_t *server_stream;
	+
	+ ENTRY;
	+
	+ server_stream = mongoc_cluster_stream_for_writes (
	+ &collection->client->cluster, cs, NULL, &result->error);
	+
	+ if (!server_stream) {
	+ /* result->error has been filled out */
	+ EXIT;
	+ }
	+
	+ _mongoc_write_command_execute (command,
	+ collection->client,
	+ server_stream,
	+ collection->db,
	+ collection->collection,
	+ write_concern,
	+ 0 /* offset */,
	+ cs,
	+ result);
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ EXIT;
	+}
	+
	+
	+static void
	+_mongoc_collection_write_command_execute_idl (
	+ mongoc_write_command_t *command,
	+ const mongoc_collection_t *collection,
	+ mongoc_crud_opts_t *crud,
	+ mongoc_write_result_t *result)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ bson_t reply;
	+
	+ ENTRY;
	+
	+ server_stream =
	+ mongoc_cluster_stream_for_writes (&collection->client->cluster,
	+ crud->client_session,
	+ &reply,
	+ &result->error);
	+
	+ if (!server_stream) {
	+ /* result->error and reply have been filled out */
	+ _mongoc_bson_array_copy_labels_to (&reply, &result->errorLabels);
	+ bson_destroy (&reply);
	+ EXIT;
	+ }
	+
	+ if (_mongoc_client_session_in_txn (crud->client_session) &&
	+ crud->writeConcern) {
	+ bson_set_error (&result->error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot set write concern after starting transaction");
	+ mongoc_server_stream_cleanup (server_stream);
	+ EXIT;
	+ }
	+
	+ if (!crud->writeConcern &&
	+ !_mongoc_client_session_in_txn (crud->client_session)) {
	+ crud->writeConcern = collection->write_concern;
	+ crud->write_concern_owned = false;
	+ }
	+
	+ _mongoc_write_command_execute_idl (command,
	+ collection->client,
	+ server_stream,
	+ collection->db,
	+ collection->collection,
	+ 0 /* offset */,
	+ crud,
	+ result);
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ EXIT;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_collection_new --
	+ *
	+ * INTERNAL API
	+ *
	+ * Create a new mongoc_collection_t structure for the given client.
	+ *
	+ * @client must remain valid during the lifetime of this structure.
	+ * @db is the db name of the collection.
	+ * @collection is the name of the collection.
	+ * @read_prefs is the default read preferences to apply or NULL.
	+ * @read_concern is the default read concern to apply or NULL.
	+ * @write_concern is the default write concern to apply or NULL.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_collection_t that should be freed with
	+ * mongoc_collection_destroy().
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_collection_t *
	+_mongoc_collection_new (mongoc_client_t *client,
	+ const char *db,
	+ const char *collection,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const mongoc_read_concern_t *read_concern,
	+ const mongoc_write_concern_t *write_concern)
	+{
	+ mongoc_collection_t *col;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (client);
	+ BSON_ASSERT_PARAM (db);
	+ BSON_ASSERT_PARAM (collection);
	+
	+ col = (mongoc_collection_t ) bson_malloc0 (sizeof col);
	+ col->client = client;
	+ col->write_concern = write_concern
	+ ? mongoc_write_concern_copy (write_concern)
	+ : mongoc_write_concern_new ();
	+ col->read_concern = read_concern ? mongoc_read_concern_copy (read_concern)
	+ : mongoc_read_concern_new ();
	+ col->read_prefs = read_prefs ? mongoc_read_prefs_copy (read_prefs)
	+ : mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	+
	+ col->ns = bson_strdup_printf ("%s.%s", db, collection);
	+ col->db = bson_strdup (db);
	+ col->collection = bson_strdup (collection);
	+
	+ col->collectionlen = (uint32_t) strlen (col->collection);
	+ col->nslen = (uint32_t) strlen (col->ns);
	+
	+ col->gle = NULL;
	+
	+ RETURN (col);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_destroy --
	+ *
	+ * Release resources associated with @collection and frees the
	+ * structure.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_collection_destroy (mongoc_collection_t collection) / IN */
	+{
	+ ENTRY;
	+
	+ if (!collection) {
	+ EXIT;
	+ }
	+
	+ bson_clear (&collection->gle);
	+
	+ if (collection->read_prefs) {
	+ mongoc_read_prefs_destroy (collection->read_prefs);
	+ collection->read_prefs = NULL;
	+ }
	+
	+ if (collection->read_concern) {
	+ mongoc_read_concern_destroy (collection->read_concern);
	+ collection->read_concern = NULL;
	+ }
	+
	+ if (collection->write_concern) {
	+ mongoc_write_concern_destroy (collection->write_concern);
	+ collection->write_concern = NULL;
	+ }
	+
	+ bson_free (collection->collection);
	+ bson_free (collection->db);
	+ bson_free (collection->ns);
	+ bson_free (collection);
	+
	+ EXIT;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_copy --
	+ *
	+ * Returns a copy of @collection that needs to be freed by calling
	+ * mongoc_collection_destroy.
	+ *
	+ * Returns:
	+ * A copy of this collection.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_collection_t *
	+mongoc_collection_copy (mongoc_collection_t collection) / IN */
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ RETURN (_mongoc_collection_new (collection->client,
	+ collection->db,
	+ collection->collection,
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern));
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_collection_aggregate (mongoc_collection_t collection, / IN */
	+ mongoc_query_flags_t flags, /* IN */
	+ const bson_t pipeline, / IN */
	+ const bson_t opts, / IN */
	+ const mongoc_read_prefs_t read_prefs) / IN */
	+{
	+ return _mongoc_aggregate (collection->client,
	+ collection->ns,
	+ flags,
	+ pipeline,
	+ opts,
	+ read_prefs,
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_find --
	+ *
	+ * DEPRECATED: use mongoc_collection_find_with_opts.
	+ *
	+ * Performs a query against the configured MongoDB server. If @read_prefs
	+ * is provided, it will be used to locate a MongoDB node in the cluster
	+ * to deliver the query to.
	+ *
	+ * @flags may be bitwise-or'd flags or MONGOC_QUERY_NONE.
	+ *
	+ * @skip may contain the number of documents to skip before returning the
	+ * matching document.
	+ *
	+ * @limit may contain the maximum number of documents that may be
	+ * returned.
	+ *
	+ * This function will always return a cursor, with the exception of
	+ * invalid API use.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @flags: A bitwise or of mongoc_query_flags_t.
	+ * @skip: The number of documents to skip.
	+ * @limit: The maximum number of items.
	+ * @batch_size: The batch size
	+ * @query: The query to locate matching documents.
	+ * @fields: The fields to return, or NULL for all fields.
	+ * @read_prefs: Read preferences to choose cluster node.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_cursor_t that should be freed with
	+ * mongoc_cursor_destroy().
	+ *
	+ * The client used by mongoc_collection_t must be valid for the
	+ * lifetime of the resulting mongoc_cursor_t.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_cursor_t *
	+mongoc_collection_find (mongoc_collection_t collection, / IN */
	+ mongoc_query_flags_t flags, /* IN */
	+ uint32_t skip, /* IN */
	+ uint32_t limit, /* IN */
	+ uint32_t batch_size, /* IN */
	+ const bson_t query, / IN */
	+ const bson_t fields, / IN */
	+ const mongoc_read_prefs_t read_prefs) / IN */
	+{
	+ bool has_unwrapped;
	+ bson_t unwrapped;
	+ bson_error_t error = {0};
	+ bson_t opts;
	+ bool secondary_ok;
	+ mongoc_cursor_t *cursor;
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (query);
	+
	+ bson_clear (&collection->gle);
	+
	+ bson_init (&opts);
	+ _mongoc_cursor_flags_to_opts (flags, &opts, &secondary_ok);
	+ /* check if the query is wrapped in $query */
	+ has_unwrapped = _mongoc_cursor_translate_dollar_query_opts (
	+ query, &opts, &unwrapped, &error);
	+ if (!bson_empty0 (fields)) {
	+ bson_append_document (
	+ &opts, MONGOC_CURSOR_PROJECTION, MONGOC_CURSOR_PROJECTION_LEN, fields);
	+ }
	+ cursor = _mongoc_cursor_find_new (collection->client,
	+ collection->ns,
	+ has_unwrapped ? &unwrapped : query,
	+ &opts,
	+ read_prefs,
	+ collection->read_prefs,
	+ collection->read_concern);
	+ if (skip) {
	+ _mongoc_cursor_set_opt_int64 (cursor, MONGOC_CURSOR_SKIP, skip);
	+ }
	+ if (limit) {
	+ /* limit must be cast to int32_t. Although the argument is a uint32_t,
	+ * callers can specify a negative limit by casting to a signed int32_t
	+ * value to uint32_t. E.g. to set a limit of -4, the caller passes
	+ * UINT32_MAX - 3 */
	+ (void) mongoc_cursor_set_limit (cursor, (int32_t) limit);
	+ }
	+ if (batch_size) {
	+ mongoc_cursor_set_batch_size (cursor, batch_size);
	+ }
	+ bson_destroy (&unwrapped);
	+ bson_destroy (&opts);
	+
	+ if (error.domain) {
	+ memcpy (&cursor->error, &error, sizeof (error));
	+ }
	+
	+ return cursor;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_find_with_opts --
	+ *
	+ * Create a cursor with a query filter. All other options are
	+ * specified in a free-form BSON document.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @filter: The query to locate matching documents.
	+ * @opts: Other options.
	+ * @read_prefs: Optional read preferences to choose cluster node.
	+ *
	+ * Returns:
	+ * A newly allocated mongoc_cursor_t that should be freed with
	+ * mongoc_cursor_destroy().
	+ *
	+ * The client used by mongoc_collection_t must be valid for the
	+ * lifetime of the resulting mongoc_cursor_t.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_cursor_t *
	+mongoc_collection_find_with_opts (mongoc_collection_t *collection,
	+ const bson_t *filter,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (filter);
	+
	+ bson_clear (&collection->gle);
	+
	+ return _mongoc_cursor_find_new (collection->client,
	+ collection->ns,
	+ filter,
	+ opts,
	+ read_prefs,
	+ collection->read_prefs,
	+ collection->read_concern);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_command --
	+ *
	+ * Executes a command on a cluster node matching @read_prefs. If
	+ * @read_prefs is not provided, it will be run on the primary node.
	+ *
	+ * This function will always return a mongoc_cursor_t.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @flags: Bitwise-or'd flags for command.
	+ * @skip: Number of documents to skip, typically 0.
	+ * @limit : Number of documents to return
	+ * @batch_size : Batch size
	+ * @query: The command to execute.
	+ * @fields: The fields to return, or NULL.
	+ * @read_prefs: Command read preferences or NULL.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_cursor_t *
	+mongoc_collection_command (mongoc_collection_t *collection,
	+ mongoc_query_flags_t flags,
	+ uint32_t skip,
	+ uint32_t limit,
	+ uint32_t batch_size,
	+ const bson_t *query,
	+ const bson_t *fields,
	+ const mongoc_read_prefs_t *read_prefs)
	+{
	+ char *ns;
	+ mongoc_cursor_t *cursor;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (query);
	+
	+ if (!read_prefs) {
	+ read_prefs = collection->read_prefs;
	+ }
	+
	+ bson_clear (&collection->gle);
	+
	+ if (NULL == strstr (collection->collection, "$cmd")) {
	+ ns = bson_strdup_printf ("%s.$cmd", collection->db);
	+ } else {
	+ ns = bson_strdup (collection->db);
	+ }
	+
	+ /* Server Selection Spec: "The generic command method has a default read
	+ * preference of mode 'primary'. The generic command method MUST ignore any
	+ * default read preference from client, database or collection
	+ * configuration. The generic command method SHOULD allow an optional read
	+ * preference argument."
	+ */
	+
	+ /* flags, skip, limit, batch_size, fields are unused */
	+ cursor = _mongoc_cursor_cmd_deprecated_new (
	+ collection->client, ns, query, read_prefs);
	+ bson_free (ns);
	+ return cursor;
	+}
	+
	+
	+bool
	+mongoc_collection_read_command_with_opts (mongoc_collection_t *collection,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ command,
	+ MONGOC_CMD_READ,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_collection_write_command_with_opts (mongoc_collection_t *collection,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ command,
	+ MONGOC_CMD_WRITE,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ NULL,
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_collection_read_write_command_with_opts (
	+ mongoc_collection_t *collection,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t read_prefs / IGNORED */,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ command,
	+ MONGOC_CMD_RW,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_collection_command_with_opts (mongoc_collection_t *collection,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ /* Server Selection Spec: "The generic command method has a default read
	+ * preference of mode 'primary'. The generic command method MUST ignore any
	+ * default read preference from client, database or collection
	+ * configuration. The generic command method SHOULD allow an optional read
	+ * preference argument." */
	+
	+ return _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ command,
	+ MONGOC_CMD_RAW,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ NULL /* default prefs */,
	+ collection->read_concern,
	+ collection->write_concern,
	+ reply,
	+ error);
	+}
	+
	+
	+bool
	+mongoc_collection_command_simple (mongoc_collection_t *collection,
	+ const bson_t *command,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (command);
	+
	+ bson_clear (&collection->gle);
	+
	+ /* Server Selection Spec: "The generic command method has a default read
	+ * preference of mode 'primary'. The generic command method MUST ignore any
	+ * default read preference from client, database or collection
	+ * configuration. The generic command method SHOULD allow an optional read
	+ * preference argument."
	+ */
	+
	+ return _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ command,
	+ MONGOC_CMD_RAW,
	+ NULL /* opts */,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ NULL /* default prefs */,
	+ NULL /* read concern */,
	+ NULL /* write concern */,
	+ reply,
	+ error);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_count --
	+ *
	+ * Count the number of documents matching @query.
	+ *
	+ * Parameters:
	+ * @flags: A mongoc_query_flags_t describing the query flags or 0.
	+ * @query: The query to perform or NULL for {}.
	+ * @skip: The $skip to perform within the query or 0.
	+ * @limit: The $limit to perform within the query or 0.
	+ * @read_prefs: desired read preferences or NULL.
	+ * @error: A location for an error or NULL.
	+ *
	+ * Returns:
	+ * -1 on failure; otherwise the number of matching documents.
	+ *
	+ * Side effects:
	+ * @error is set upon failure if non-NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int64_t
	+mongoc_collection_count (mongoc_collection_t collection, / IN */
	+ mongoc_query_flags_t flags, /* IN */
	+ const bson_t query, / IN */
	+ int64_t skip, /* IN */
	+ int64_t limit, /* IN */
	+ const mongoc_read_prefs_t read_prefs, / IN */
	+ bson_error_t error) / OUT */
	+{
	+ int64_t ret;
	+ bson_t opts = BSON_INITIALIZER;
	+
	+ /* Complex types must be parts of `opts`, otherwise we can't
	+ * follow various specs that require validation etc */
	+ if (collection->read_concern->level != NULL) {
	+ const bson_t *read_concern_bson;
	+
	+ read_concern_bson =
	+ _mongoc_read_concern_get_bson (collection->read_concern);
	+ BSON_APPEND_DOCUMENT (&opts, "readConcern", read_concern_bson);
	+ }
	+
	+ /* Server Selection Spec: "may-use-secondary" commands SHOULD take a read
	+ * preference argument and otherwise MUST use the default read preference
	+ * from client, database or collection configuration. */
	+ BEGIN_IGNORE_DEPRECATIONS
	+ ret = mongoc_collection_count_with_opts (
	+ collection, flags, query, skip, limit, &opts, read_prefs, error);
	+ END_IGNORE_DEPRECATIONS
	+
	+ bson_destroy (&opts);
	+ return ret;
	+}
	+
	+
	+int64_t
	+mongoc_collection_count_with_opts (
	+ mongoc_collection_t collection, / IN */
	+ mongoc_query_flags_t flags, /* IN */
	+ const bson_t query, / IN */
	+ int64_t skip, /* IN */
	+ int64_t limit, /* IN */
	+ const bson_t opts, / IN */
	+ const mongoc_read_prefs_t read_prefs, / IN */
	+ bson_error_t error) / OUT */
	+{
	+ bson_iter_t iter;
	+ int64_t ret = -1;
	+ bool success;
	+ bson_t reply;
	+ bson_t cmd = BSON_INITIALIZER;
	+ bson_t q;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ bson_append_utf8 (
	+ &cmd, "count", 5, collection->collection, collection->collectionlen);
	+ if (query) {
	+ bson_append_document (&cmd, "query", 5, query);
	+ } else {
	+ bson_init (&q);
	+ bson_append_document (&cmd, "query", 5, &q);
	+ bson_destroy (&q);
	+ }
	+ if (limit) {
	+ bson_append_int64 (&cmd, "limit", 5, limit);
	+ }
	+ if (skip) {
	+ bson_append_int64 (&cmd, "skip", 4, skip);
	+ }
	+
	+ success = _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ &cmd,
	+ MONGOC_CMD_READ,
	+ opts,
	+ flags,
	+ read_prefs,
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ &reply,
	+ error);
	+
	+ if (success) {
	+ if (bson_iter_init_find (&iter, &reply, "n")) {
	+ ret = bson_iter_as_int64 (&iter);
	+ }
	+ }
	+
	+ bson_destroy (&reply);
	+ bson_destroy (&cmd);
	+
	+ RETURN (ret);
	+}
	+
	+/* --------------------------------------------------------------------------
	+ *
	+ * _make_aggregate_for_edc --
	+ *
	+ * Construct an aggregate pipeline with the following form:
	+ *
	+ *
	+ * { pipeline: [
	+ * { $collStats: { count: {} } },
	+ * { $group: { _id: 1, n: { $sum: $count } } },
	+ * ]
	+ * }
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_make_aggregate_for_edc (const mongoc_collection_t coll, bson_t out)
	+{
	+ bson_t pipeline;
	+ bson_t coll_stats_stage;
	+ bson_t coll_stats_stage_doc;
	+ bson_t group_stage;
	+ bson_t group_stage_doc;
	+ bson_t sum;
	+ bson_t cursor_empty;
	+ bson_t empty;
	+
	+ BSON_APPEND_UTF8 (out, "aggregate", coll->collection);
	+ BSON_APPEND_DOCUMENT_BEGIN (out, "cursor", &cursor_empty);
	+ bson_append_document_end (out, &cursor_empty);
	+ BSON_APPEND_ARRAY_BEGIN (out, "pipeline", &pipeline);
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (&pipeline, "0", &coll_stats_stage);
	+ BSON_APPEND_DOCUMENT_BEGIN (
	+ &coll_stats_stage, "$collStats", &coll_stats_stage_doc);
	+ BSON_APPEND_DOCUMENT_BEGIN (&coll_stats_stage_doc, "count", &empty);
	+ bson_append_document_end (&coll_stats_stage_doc, &empty);
	+ bson_append_document_end (&coll_stats_stage, &coll_stats_stage_doc);
	+ bson_append_document_end (&pipeline, &coll_stats_stage);
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (&pipeline, "1", &group_stage);
	+ BSON_APPEND_DOCUMENT_BEGIN (&group_stage, "$group", &group_stage_doc);
	+ BSON_APPEND_INT32 (&group_stage_doc, "_id", 1);
	+ BSON_APPEND_DOCUMENT_BEGIN (&group_stage_doc, "n", &sum);
	+ BSON_APPEND_UTF8 (&sum, "$sum", "$count");
	+ bson_append_document_end (&group_stage_doc, &sum);
	+ bson_append_document_end (&group_stage, &group_stage_doc);
	+ bson_append_document_end (&pipeline, &group_stage);
	+ bson_append_array_end (out, &pipeline);
	+}
	+
	+int64_t
	+mongoc_collection_estimated_document_count (
	+ mongoc_collection_t *coll,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ int64_t count = -1;
	+ bool ret;
	+ bson_t reply_local;
	+ bson_t *reply_ptr;
	+ bson_t cmd = BSON_INITIALIZER;
	+ mongoc_server_stream_t *server_stream = NULL;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (coll);
	+
	+ server_stream =
	+ mongoc_cluster_stream_for_reads (&coll->client->cluster,
	+ read_prefs,
	+ NULL,
	+ reply,
	+ /* Not aggregate-with-write */ false,
	+ error);
	+
	+ if (opts && bson_has_field (opts, "sessionId")) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Collection count must not specify explicit session");
	+ GOTO (done);
	+ }
	+
	+ reply_ptr = reply ? reply : &reply_local;
	+ if (server_stream->sd->max_wire_version < WIRE_VERSION_4_9) {
	+ /* On < 4.9, use actual count command for estimatedDocumentCount */
	+ BSON_APPEND_UTF8 (&cmd, "count", coll->collection);
	+ ret = _mongoc_client_command_with_opts (coll->client,
	+ coll->db,
	+ &cmd,
	+ MONGOC_CMD_READ,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ read_prefs,
	+ coll->read_prefs,
	+ coll->read_concern,
	+ coll->write_concern,
	+ reply_ptr,
	+ error);
	+ if (ret) {
	+ if (bson_iter_init_find (&iter, reply_ptr, "n")) {
	+ count = bson_iter_as_int64 (&iter);
	+ }
	+ }
	+ } else {
	+ /* On >= 4.9, use aggregate with collStats for estimatedDocumentCount */
	+ _make_aggregate_for_edc (coll, &cmd);
	+ ret = mongoc_collection_read_command_with_opts (
	+ coll, &cmd, read_prefs, opts, reply_ptr, error);
	+
	+ if (!ret && error->code == MONGOC_ERROR_COLLECTION_DOES_NOT_EXIST) {
	+ /* Collection does not exist. From spec: return 0 but no err:
	+ * https://github.com/mongodb/specifications/blob/master/source/crud/crud.rst#estimateddocumentcount
	+ */
	+ if (reply) {
	+ bson_reinit (reply);
	+ }
	+ memset (error, 0, sizeof *error);
	+ count = 0;
	+ GOTO (done);
	+ }
	+ if (ret && bson_iter_init (&iter, reply_ptr)) {
	+ if (bson_iter_find_descendant (
	+ &iter, "cursor.firstBatch.0.n", &iter)) {
	+ count = bson_iter_as_int64 (&iter);
	+ }
	+ }
	+ }
	+
	+done:
	+ if (!reply) {
	+ bson_destroy (&reply_local);
	+ }
	+ bson_destroy (&cmd);
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ RETURN (count);
	+}
	+
	+
	+/* --------------------------------------------------------------------------
	+ *
	+ * _make_aggregate_for_count --
	+ *
	+ * Construct an aggregate pipeline with the following form:
	+ * { pipeline: [
	+ * { $match: {...} },
	+ * { $group: { _id: 1, n: { sum: 1 } } },
	+ * { $skip: ... },
	+ * { $limit: ... }
	+ * ]
	+ * }
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_make_aggregate_for_count (const mongoc_collection_t *coll,
	+ const bson_t *filter,
	+ const bson_t *opts,
	+ bson_t *out)
	+{
	+ bson_iter_t iter;
	+ bson_t pipeline;
	+ bson_t match_stage;
	+ bson_t group_stage;
	+ bson_t group_stage_doc;
	+ bson_t sum;
	+ bson_t empty;
	+ const char *keys[] = {"0", "1", "2", "3"};
	+ int key = 0;
	+
	+ bson_init (out);
	+ bson_append_utf8 (
	+ out, "aggregate", 9, coll->collection, coll->collectionlen);
	+ bson_append_document_begin (out, "cursor", 6, &empty);
	+ bson_append_document_end (out, &empty);
	+ bson_append_array_begin (out, "pipeline", 8, &pipeline);
	+
	+ bson_append_document_begin (&pipeline, keys[key++], 1, &match_stage);
	+ bson_append_document (&match_stage, "$match", 6, filter);
	+ bson_append_document_end (&pipeline, &match_stage);
	+ /* if @opts includes "skip", or "count", append $skip and $count stages to
	+ * the aggregate pipeline. */
	+ if (opts && bson_iter_init_find (&iter, opts, "skip")) {
	+ bson_t skip_stage;
	+ bson_append_document_begin (&pipeline, keys[key++], 1, &skip_stage);
	+ bson_append_value (&skip_stage, "$skip", 5, bson_iter_value (&iter));
	+ bson_append_document_end (&pipeline, &skip_stage);
	+ }
	+ if (opts && bson_iter_init_find (&iter, opts, "limit")) {
	+ bson_t limit_stage;
	+ bson_append_document_begin (&pipeline, keys[key++], 1, &limit_stage);
	+ bson_append_value (&limit_stage, "$limit", 6, bson_iter_value (&iter));
	+ bson_append_document_end (&pipeline, &limit_stage);
	+ }
	+ bson_append_document_begin (&pipeline, keys[key], 1, &group_stage);
	+ bson_append_document_begin (&group_stage, "$group", 6, &group_stage_doc);
	+ bson_append_int32 (&group_stage_doc, "_id", 3, 1);
	+ bson_append_document_begin (&group_stage_doc, "n", 1, &sum);
	+ bson_append_int32 (&sum, "$sum", 4, 1);
	+ bson_append_document_end (&group_stage_doc, &sum);
	+ bson_append_document_end (&group_stage, &group_stage_doc);
	+ bson_append_document_end (&pipeline, &group_stage);
	+ bson_append_array_end (out, &pipeline);
	+}
	+
	+
	+int64_t
	+mongoc_collection_count_documents (mongoc_collection_t *coll,
	+ const bson_t *filter,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ bson_t aggregate_cmd;
	+ bson_t aggregate_opts;
	+ bool ret;
	+ const bson_t *result;
	+ mongoc_cursor_t *cursor = NULL;
	+ int64_t count = -1;
	+ bson_t cmd_reply;
	+ bson_iter_t iter;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (coll);
	+ BSON_ASSERT_PARAM (filter);
	+
	+ _make_aggregate_for_count (coll, filter, opts, &aggregate_cmd);
	+ bson_init (&aggregate_opts);
	+ if (opts) {
	+ bson_copy_to_excluding_noinit (
	+ opts, &aggregate_opts, "skip", "limit", NULL);
	+ }
	+
	+ ret = mongoc_collection_read_command_with_opts (
	+ coll, &aggregate_cmd, read_prefs, &aggregate_opts, &cmd_reply, error);
	+ bson_destroy (&aggregate_cmd);
	+ bson_destroy (&aggregate_opts);
	+ if (reply) {
	+ bson_copy_to (&cmd_reply, reply);
	+ }
	+
	+ if (!ret) {
	+ bson_destroy (&cmd_reply);
	+ GOTO (done);
	+ }
	+
	+ /* steals reply */
	+ cursor = mongoc_cursor_new_from_command_reply_with_opts (
	+ coll->client, &cmd_reply, NULL);
	+ BSON_ASSERT (mongoc_cursor_get_id (cursor) == 0);
	+ ret = mongoc_cursor_next (cursor, &result);
	+ if (!ret) {
	+ if (mongoc_cursor_error (cursor, error)) {
	+ GOTO (done);
	+ } else {
	+ count = 0;
	+ GOTO (done);
	+ }
	+ }
	+
	+ if (bson_iter_init_find (&iter, result, "n") &&
	+ BSON_ITER_HOLDS_INT (&iter)) {
	+ count = bson_iter_as_int64 (&iter);
	+ }
	+
	+done:
	+ if (cursor) {
	+ mongoc_cursor_destroy (cursor);
	+ }
	+ RETURN (count);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_drop --
	+ *
	+ * Request the MongoDB server drop the collection.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set upon failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_drop (mongoc_collection_t collection, / IN */
	+ bson_error_t error) / OUT */
	+{
	+ return mongoc_collection_drop_with_opts (collection, NULL, error);
	+}
	+
	+
	+bool
	+mongoc_collection_drop_with_opts (mongoc_collection_t *collection,
	+ const bson_t *opts,
	+ bson_error_t *error)
	+{
	+ bool ret;
	+ bson_t cmd;
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ bson_init (&cmd);
	+ bson_append_utf8 (
	+ &cmd, "drop", 4, collection->collection, collection->collectionlen);
	+
	+ ret = _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ &cmd,
	+ MONGOC_CMD_WRITE,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ NULL, /* user prefs */
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ NULL, /* reply */
	+ error);
	+ bson_destroy (&cmd);
	+
	+ return ret;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_drop_index --
	+ *
	+ * Request the MongoDB server drop the named index.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @error is setup upon failure if non-NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_drop_index (mongoc_collection_t collection, / IN */
	+ const char index_name, / IN */
	+ bson_error_t error) / OUT */
	+{
	+ return mongoc_collection_drop_index_with_opts (
	+ collection, index_name, NULL, error);
	+}
	+
	+
	+bool
	+mongoc_collection_drop_index_with_opts (mongoc_collection_t *collection,
	+ const char *index_name,
	+ const bson_t *opts,
	+ bson_error_t *error)
	+{
	+ bool ret;
	+ bson_t cmd;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (index_name);
	+
	+ bson_init (&cmd);
	+ bson_append_utf8 (&cmd,
	+ "dropIndexes",
	+ -1,
	+ collection->collection,
	+ collection->collectionlen);
	+ bson_append_utf8 (&cmd, "index", -1, index_name, -1);
	+
	+ ret = _mongoc_client_command_with_opts (collection->client,
	+ collection->db,
	+ &cmd,
	+ MONGOC_CMD_WRITE,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ NULL, /* user prefs */
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ NULL, /* reply */
	+ error);
	+ bson_destroy (&cmd);
	+
	+ return ret;
	+}
	+
	+
	+char *
	+mongoc_collection_keys_to_index_string (const bson_t *keys)
	+{
	+ bson_string_t *s;
	+ bson_iter_t iter;
	+ bson_type_t type;
	+ int i = 0;
	+
	+ BSON_ASSERT_PARAM (keys);
	+
	+ if (!bson_iter_init (&iter, keys)) {
	+ return NULL;
	+ }
	+
	+ s = bson_string_new (NULL);
	+
	+ while (bson_iter_next (&iter)) {
	+ /* Index type can be specified as a string ("2d") or as an integer
	+ * representing direction */
	+ type = bson_iter_type (&iter);
	+ if (type == BSON_TYPE_UTF8) {
	+ bson_string_append_printf (s,
	+ (i++ ? "_%s_%s" : "%s_%s"),
	+ bson_iter_key (&iter),
	+ bson_iter_utf8 (&iter, NULL));
	+ } else if (type == BSON_TYPE_INT32) {
	+ bson_string_append_printf (s,
	+ (i++ ? "_%s_%d" : "%s_%d"),
	+ bson_iter_key (&iter),
	+ bson_iter_int32 (&iter));
	+ } else if (type == BSON_TYPE_INT64) {
	+ bson_string_append_printf (s,
	+ (i++ ? "_%s_%" PRId64 : "%s_%" PRId64),
	+ bson_iter_key (&iter),
	+ bson_iter_int64 (&iter));
	+ } else {
	+ bson_string_free (s, true);
	+ return NULL;
	+ }
	+ }
	+ return bson_string_free (s, false);
	+}
	+
	+
	+bool
	+mongoc_collection_create_index (mongoc_collection_t *collection,
	+ const bson_t *keys,
	+ const mongoc_index_opt_t *opt,
	+ bson_error_t *error)
	+{
	+ bson_t reply;
	+ bool ret;
	+
	+ BEGIN_IGNORE_DEPRECATIONS
	+
	+ ret = mongoc_collection_create_index_with_opts (
	+ collection, keys, opt, NULL, &reply, error);
	+
	+ END_IGNORE_DEPRECATIONS
	+
	+ bson_destroy (&reply);
	+ return ret;
	+}
	+
	+static bool
	+_mongoc_collection_index_keys_equal (const bson_t *expected,
	+ const bson_t *actual)
	+{
	+ bson_iter_t iter_expected;
	+ bson_iter_t iter_actual;
	+
	+ bson_iter_init (&iter_expected, expected);
	+ bson_iter_init (&iter_actual, actual);
	+
	+ while (bson_iter_next (&iter_expected)) {
	+ /* If the key document has fewer items than expected, indexes are unequal
	+ */
	+ if (!bson_iter_next (&iter_actual)) {
	+ return false;
	+ }
	+
	+ /* If key order does not match, indexes are unequal */
	+ if (strcmp (bson_iter_key (&iter_expected),
	+ bson_iter_key (&iter_actual)) != 0) {
	+ return false;
	+ }
	+
	+ if (BSON_ITER_HOLDS_NUMBER (&iter_expected) &&
	+ BSON_ITER_HOLDS_NUMBER (&iter_actual)) {
	+ if (bson_iter_as_int64 (&iter_expected) !=
	+ bson_iter_as_int64 (&iter_actual)) {
	+ return false;
	+ }
	+ } else if (BSON_ITER_HOLDS_UTF8 (&iter_expected) &&
	+ BSON_ITER_HOLDS_UTF8 (&iter_actual)) {
	+ if (strcmp (bson_iter_utf8 (&iter_expected, NULL),
	+ bson_iter_utf8 (&iter_actual, NULL)) != 0) {
	+ return false;
	+ }
	+ } else {
	+ return false;
	+ }
	+ }
	+
	+ /* If our expected document is exhausted, make sure there are no extra keys
	+ * in the actual key document */
	+ if (bson_iter_next (&iter_actual)) {
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+_mongoc_collection_create_index_if_not_exists (mongoc_collection_t *collection,
	+ const bson_t *keys,
	+ const bson_t *opts,
	+ bson_error_t *error)
	+{
	+ mongoc_cursor_t *cursor;
	+ bool index_exists;
	+ bool r = false;
	+ const bson_t *doc;
	+ bson_iter_t iter;
	+ bson_t inner_doc;
	+ uint32_t data_len;
	+ const uint8_t *data;
	+ bson_t index;
	+ bson_t command;
	+
	+ BSON_ASSERT (collection);
	+ BSON_ASSERT (keys);
	+
	+ cursor = mongoc_collection_find_indexes_with_opts (collection, NULL);
	+
	+ index_exists = false;
	+
	+ while (mongoc_cursor_next (cursor, &doc) && !index_exists) {
	+ r = bson_iter_init_find (&iter, doc, "key");
	+ if (!r) {
	+ continue;
	+ }
	+
	+ bson_iter_document (&iter, &data_len, &data);
	+ bson_init_static (&inner_doc, data, data_len);
	+
	+ if (_mongoc_collection_index_keys_equal (keys, &inner_doc)) {
	+ index_exists = true;
	+ }
	+
	+ bson_destroy (&inner_doc);
	+ }
	+
	+ if (mongoc_cursor_error (cursor, error)) {
	+ mongoc_cursor_destroy (cursor);
	+ return false;
	+ }
	+
	+ mongoc_cursor_destroy (cursor);
	+
	+ if (index_exists) {
	+ return true;
	+ }
	+
	+ if (opts) {
	+ bson_copy_to (opts, &index);
	+ } else {
	+ bson_init (&index);
	+ }
	+
	+ BSON_APPEND_DOCUMENT (&index, "key", keys);
	+
	+ if (!bson_has_field (&index, "name")) {
	+ char *alloc_name = mongoc_collection_keys_to_index_string (keys);
	+
	+ if (!alloc_name) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Cannot generate index name from invalid `keys` argument");
	+ GOTO (done);
	+ }
	+
	+ BSON_APPEND_UTF8 (&index, "name", alloc_name);
	+
	+ bson_free (alloc_name);
	+ }
	+
	+ bson_init (&command);
	+ BCON_APPEND (&command,
	+ "createIndexes",
	+ BCON_UTF8 (mongoc_collection_get_name (collection)),
	+ "indexes",
	+ "[",
	+ BCON_DOCUMENT (&index),
	+ "]");
	+
	+ r = mongoc_collection_write_command_with_opts (
	+ collection, &command, NULL, NULL, error);
	+
	+done:
	+ bson_destroy (&index);
	+ bson_destroy (&command);
	+
	+ return r;
	+}
	+
	+bool
	+mongoc_collection_create_index_with_opts (mongoc_collection_t *collection,
	+ const bson_t *keys,
	+ const mongoc_index_opt_t *opt,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_create_index_opts_t parsed;
	+ mongoc_cmd_parts_t parts;
	+ const mongoc_index_opt_t *def_opt;
	+ const mongoc_index_opt_geo_t *def_geo;
	+ const char *name;
	+ bson_t cmd = BSON_INITIALIZER;
	+ bson_t ar;
	+ bson_t doc;
	+ bson_t storage_doc;
	+ bson_t wt_doc;
	+ const mongoc_index_opt_geo_t *geo_opt;
	+ const mongoc_index_opt_storage_t *storage_opt;
	+ const mongoc_index_opt_wt_t *wt_opt;
	+ char *alloc_name = NULL;
	+ bool ret = false;
	+ bool reply_initialized = false;
	+ bool has_collation = false;
	+ mongoc_server_stream_t *server_stream = NULL;
	+ mongoc_cluster_t *cluster;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (keys);
	+
	+ def_opt = mongoc_index_opt_get_default ();
	+ opt = opt ? opt : def_opt;
	+
	+ mongoc_cmd_parts_init (
	+ &parts, collection->client, collection->db, MONGOC_QUERY_NONE, &cmd);
	+ parts.is_write_command = true;
	+
	+ if (!_mongoc_create_index_opts_parse (
	+ collection->client, opts, &parsed, error)) {
	+ GOTO (done);
	+ }
	+
	+ if (!parsed.writeConcern) {
	+ parsed.writeConcern = collection->write_concern;
	+ parsed.write_concern_owned = false;
	+ }
	+
	+ /*
	+ * Generate the key name if it was not provided.
	+ */
	+ name = (opt->name != def_opt->name) ? opt->name : NULL;
	+ if (!name) {
	+ alloc_name = mongoc_collection_keys_to_index_string (keys);
	+ if (alloc_name) {
	+ name = alloc_name;
	+ } else {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Cannot generate index name from invalid `keys` argument");
	+ GOTO (done);
	+ }
	+ }
	+
	+ /*
	+ * Build our createIndexes command to send to the server.
	+ */
	+ BSON_ASSERT (
	+ BSON_APPEND_UTF8 (&cmd, "createIndexes", collection->collection));
	+ bson_append_array_begin (&cmd, "indexes", 7, &ar);
	+ bson_append_document_begin (&ar, "0", 1, &doc);
	+ BSON_ASSERT (BSON_APPEND_DOCUMENT (&doc, "key", keys));
	+ BSON_ASSERT (BSON_APPEND_UTF8 (&doc, "name", name));
	+ if (opt->background) {
	+ BSON_ASSERT (BSON_APPEND_BOOL (&doc, "background", true));
	+ }
	+ if (opt->unique) {
	+ BSON_ASSERT (BSON_APPEND_BOOL (&doc, "unique", true));
	+ }
	+ if (opt->drop_dups) {
	+ BSON_ASSERT (BSON_APPEND_BOOL (&doc, "dropDups", true));
	+ }
	+ if (opt->sparse) {
	+ BSON_ASSERT (BSON_APPEND_BOOL (&doc, "sparse", true));
	+ }
	+ if (opt->expire_after_seconds != def_opt->expire_after_seconds) {
	+ BSON_ASSERT (BSON_APPEND_INT32 (
	+ &doc, "expireAfterSeconds", opt->expire_after_seconds));
	+ }
	+ if (opt->v != def_opt->v) {
	+ BSON_ASSERT (BSON_APPEND_INT32 (&doc, "v", opt->v));
	+ }
	+ if (opt->weights && (opt->weights != def_opt->weights)) {
	+ BSON_ASSERT (BSON_APPEND_DOCUMENT (&doc, "weights", opt->weights));
	+ }
	+ if (opt->default_language != def_opt->default_language) {
	+ BSON_ASSERT (
	+ BSON_APPEND_UTF8 (&doc, "default_language", opt->default_language));
	+ }
	+ if (opt->language_override != def_opt->language_override) {
	+ BSON_ASSERT (
	+ BSON_APPEND_UTF8 (&doc, "language_override", opt->language_override));
	+ }
	+ if (opt->partial_filter_expression) {
	+ BSON_ASSERT (BSON_APPEND_DOCUMENT (
	+ &doc, "partialFilterExpression", opt->partial_filter_expression));
	+ }
	+ if (opt->collation) {
	+ BSON_ASSERT (BSON_APPEND_DOCUMENT (&doc, "collation", opt->collation));
	+ has_collation = true;
	+ }
	+ if (opt->geo_options) {
	+ geo_opt = opt->geo_options;
	+ def_geo = mongoc_index_opt_geo_get_default ();
	+ if (geo_opt->twod_sphere_version != def_geo->twod_sphere_version) {
	+ BSON_ASSERT (BSON_APPEND_INT32 (
	+ &doc, "2dsphereIndexVersion", geo_opt->twod_sphere_version));
	+ }
	+ if (geo_opt->twod_bits_precision != def_geo->twod_bits_precision) {
	+ BSON_ASSERT (
	+ BSON_APPEND_INT32 (&doc, "bits", geo_opt->twod_bits_precision));
	+ }
	+ if (geo_opt->twod_location_min != def_geo->twod_location_min) {
	+ BSON_ASSERT (
	+ BSON_APPEND_DOUBLE (&doc, "min", geo_opt->twod_location_min));
	+ }
	+ if (geo_opt->twod_location_max != def_geo->twod_location_max) {
	+ BSON_ASSERT (
	+ BSON_APPEND_DOUBLE (&doc, "max", geo_opt->twod_location_max));
	+ }
	+ if (geo_opt->haystack_bucket_size != def_geo->haystack_bucket_size) {
	+ BSON_ASSERT (BSON_APPEND_DOUBLE (
	+ &doc, "bucketSize", geo_opt->haystack_bucket_size));
	+ }
	+ }
	+
	+ if (opt->storage_options) {
	+ storage_opt = opt->storage_options;
	+ switch (storage_opt->type) {
	+ case MONGOC_INDEX_STORAGE_OPT_WIREDTIGER:
	+ wt_opt = (mongoc_index_opt_wt_t *) storage_opt;
	+ BSON_APPEND_DOCUMENT_BEGIN (&doc, "storageEngine", &storage_doc);
	+ BSON_APPEND_DOCUMENT_BEGIN (&storage_doc, "wiredTiger", &wt_doc);
	+ BSON_ASSERT (
	+ BSON_APPEND_UTF8 (&wt_doc, "configString", wt_opt->config_str));
	+ bson_append_document_end (&storage_doc, &wt_doc);
	+ bson_append_document_end (&doc, &storage_doc);
	+ break;
	+ default:
	+ break;
	+ }
	+ }
	+
	+ bson_append_document_end (&ar, &doc);
	+ bson_append_array_end (&cmd, &ar);
	+
	+ server_stream = mongoc_cluster_stream_for_writes (
	+ &collection->client->cluster, parsed.client_session, reply, error);
	+
	+ if (!server_stream) {
	+ reply_initialized = true;
	+ GOTO (done);
	+ }
	+
	+ if (!mongoc_cmd_parts_set_write_concern (&parts,
	+ parsed.writeConcern,
	+ server_stream->sd->max_wire_version,
	+ error)) {
	+ GOTO (done);
	+ }
	+
	+ if (has_collation &&
	+ server_stream->sd->max_wire_version < WIRE_VERSION_COLLATION) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "The selected server does not support collation");
	+ GOTO (done);
	+ }
	+
	+ parts.assembled.session = parsed.client_session;
	+ if (!bson_concat (&parts.extra, &parsed.extra)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "'opts' is too large");
	+ GOTO (done);
	+ }
	+
	+ cluster = &collection->client->cluster;
	+ if (mongoc_cmd_parts_assemble (&parts, server_stream, error)) {
	+ ret = mongoc_cluster_run_command_monitored (
	+ cluster, &parts.assembled, reply, error);
	+ } else {
	+ _mongoc_bson_init_if_set (reply);
	+ }
	+
	+ reply_initialized = true;
	+
	+ if (ret) {
	+ if (reply) {
	+ ret = !_mongoc_parse_wc_err (reply, error);
	+ }
	+ }
	+
	+done:
	+ bson_destroy (&cmd);
	+ bson_free (alloc_name);
	+ _mongoc_create_index_opts_cleanup (&parsed);
	+ mongoc_server_stream_cleanup (server_stream);
	+ mongoc_cmd_parts_cleanup (&parts);
	+ if (!reply_initialized && reply) {
	+ bson_init (reply);
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+
	+bool
	+mongoc_collection_ensure_index (mongoc_collection_t *collection,
	+ const bson_t *keys,
	+ const mongoc_index_opt_t *opt,
	+ bson_error_t *error)
	+{
	+ BEGIN_IGNORE_DEPRECATIONS
	+ return mongoc_collection_create_index (collection, keys, opt, error);
	+ END_IGNORE_DEPRECATIONS
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_collection_find_indexes (mongoc_collection_t *collection,
	+ bson_error_t *error)
	+{
	+ mongoc_cursor_t *cursor;
	+
	+ cursor = mongoc_collection_find_indexes_with_opts (collection, NULL);
	+
	+ (void) mongoc_cursor_error (cursor, error);
	+
	+ return cursor;
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_collection_find_indexes_with_opts (mongoc_collection_t *collection,
	+ const bson_t *opts)
	+{
	+ mongoc_cursor_t *cursor;
	+ bson_t cmd = BSON_INITIALIZER;
	+ bson_t child;
	+ bson_error_t error;
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ bson_append_utf8 (&cmd,
	+ "listIndexes",
	+ -1,
	+ collection->collection,
	+ collection->collectionlen);
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (&cmd, "cursor", &child);
	+ bson_append_document_end (&cmd, &child);
	+
	+ /* No read preference. Index Enumeration Spec: "run listIndexes on the
	+ * primary node in replicaSet mode". */
	+ cursor = _mongoc_cursor_cmd_new (
	+ collection->client, collection->ns, &cmd, opts, NULL, NULL, NULL);
	+
	+ if (!mongoc_cursor_error (cursor, &error)) {
	+ _mongoc_cursor_prime (cursor);
	+ }
	+
	+ if (mongoc_cursor_error (cursor, &error) &&
	+ error.code == MONGOC_ERROR_COLLECTION_DOES_NOT_EXIST) {
	+ /* collection does not exist. from spec: return no documents but no err:
	+ * https://github.com/mongodb/specifications/blob/master/source/enumerate-indexes.rst#enumeration-getting-index-information
	+ */
	+ _mongoc_cursor_set_empty (cursor);
	+ }
	+
	+ bson_destroy (&cmd);
	+
	+ return cursor;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_insert_bulk --
	+ *
	+ * Bulk insert documents into a MongoDB collection.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @flags: flags for the insert or 0.
	+ * @documents: The documents to insert.
	+ * @n_documents: The number of documents to insert.
	+ * @write_concern: A write concern or NULL.
	+ * @error: a location for an error or NULL.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * If the write concern does not dictate checking the result of the
	+ * insert, then true may be returned even though the document was
	+ * not actually inserted on the MongoDB server or cluster.
	+ *
	+ * Side effects:
	+ * @collection->gle is setup, depending on write_concern->w value.
	+ * @error may be set upon failure if non-NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_insert_bulk (mongoc_collection_t *collection,
	+ mongoc_insert_flags_t flags,
	+ const bson_t **documents,
	+ uint32_t n_documents,
	+ const mongoc_write_concern_t *write_concern,
	+ bson_error_t *error)
	+{
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	+ uint32_t i;
	+ bool ret;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (documents);
	+
	+ if (!write_concern) {
	+ write_concern = collection->write_concern;
	+ }
	+
	+ if (!(flags & MONGOC_INSERT_NO_VALIDATE)) {
	+ for (i = 0; i < n_documents; i++) {
	+ if (!_mongoc_validate_new_document (
	+ documents[i], _mongoc_default_insert_vflags, error)) {
	+ RETURN (false);
	+ }
	+ }
	+ }
	+
	+ bson_clear (&collection->gle);
	+
	+ _mongoc_write_result_init (&result);
	+
	+ write_flags.ordered = !(flags & MONGOC_INSERT_CONTINUE_ON_ERROR);
	+
	+ _mongoc_write_command_init_insert (
	+ &command,
	+ NULL,
	+ NULL,
	+ write_flags,
	+ ++collection->client->cluster.operation_id);
	+
	+ for (i = 0; i < n_documents; i++) {
	+ _mongoc_write_command_insert_append (&command, documents[i]);
	+ }
	+
	+ _mongoc_collection_write_command_execute (
	+ &command, collection, write_concern, NULL, &result);
	+
	+ collection->gle = bson_new ();
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ write_concern,
	+ /* no error domain override */
	+ (mongoc_error_domain_t) 0,
	+ collection->gle,
	+ error);
	+
	+ _mongoc_write_result_destroy (&result);
	+ _mongoc_write_command_destroy (&command);
	+
	+ return ret;
	+}
	+
	+
	+bool
	+mongoc_collection_insert (mongoc_collection_t *collection,
	+ mongoc_insert_flags_t flags,
	+ const bson_t *document,
	+ const mongoc_write_concern_t *write_concern,
	+ bson_error_t *error)
	+{
	+ bson_t opts = BSON_INITIALIZER;
	+ bson_t reply;
	+ bool r;
	+
	+ bson_clear (&collection->gle);
	+
	+ if (flags & MONGOC_INSERT_NO_VALIDATE) {
	+ bson_append_bool (&opts, "validate", 8, false);
	+ }
	+
	+ if (write_concern) {
	+ mongoc_write_concern_append ((mongoc_write_concern_t *) write_concern,
	+ &opts);
	+ }
	+
	+ r =
	+ mongoc_collection_insert_one (collection, document, &opts, &reply, error);
	+
	+ collection->gle = bson_copy (&reply);
	+ bson_destroy (&reply);
	+ bson_destroy (&opts);
	+
	+ return r;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_insert_one --
	+ *
	+ * Insert a document into a MongoDB collection.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @document: The document to insert.
	+ * @opts: Standard command options.
	+ * @reply: Optional. Uninitialized doc to receive the update result.
	+ * @error: A location for an error or NULL.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * If the write concern does not dictate checking the result of the
	+ * insert, then true may be returned even though the document was
	+ * not actually inserted on the MongoDB server or cluster.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_insert_one (mongoc_collection_t *collection,
	+ const bson_t *document,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_insert_one_opts_t insert_one_opts;
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (document);
	+
	+ _mongoc_bson_init_if_set (reply);
	+
	+ if (!_mongoc_insert_one_opts_parse (
	+ collection->client, opts, &insert_one_opts, error)) {
	+ GOTO (done);
	+ }
	+
	+ if (!_mongoc_validate_new_document (
	+ document, insert_one_opts.crud.validate, error)) {
	+ GOTO (done);
	+ }
	+
	+ _mongoc_write_result_init (&result);
	+ _mongoc_write_command_init_insert_idl (
	+ &command,
	+ document,
	+ &insert_one_opts.extra,
	+ ++collection->client->cluster.operation_id);
	+
	+ command.flags.bypass_document_validation = insert_one_opts.bypass;
	+ _mongoc_collection_write_command_execute_idl (
	+ &command, collection, &insert_one_opts.crud, &result);
	+
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ insert_one_opts.crud.writeConcern,
	+ /* no error domain override */
	+ (mongoc_error_domain_t) 0,
	+ reply,
	+ error,
	+ "insertedCount");
	+
	+ _mongoc_write_result_destroy (&result);
	+ _mongoc_write_command_destroy (&command);
	+
	+done:
	+ _mongoc_insert_one_opts_cleanup (&insert_one_opts);
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_insert_many --
	+ *
	+ * Insert documents into a MongoDB collection. Replaces
	+ * mongoc_collection_insert_bulk.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @documents: The documents to insert.
	+ * @n_documents: Length of @documents array.
	+ * @opts: Standard command options.
	+ * @reply: Optional. Uninitialized doc to receive the update result.
	+ * @error: A location for an error or NULL.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * If the write concern does not dictate checking the result of the
	+ * insert, then true may be returned even though the document was
	+ * not actually inserted on the MongoDB server or cluster.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_insert_many (mongoc_collection_t *collection,
	+ const bson_t **documents,
	+ size_t n_documents,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_insert_many_opts_t insert_many_opts;
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ size_t i;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (documents);
	+
	+ _mongoc_bson_init_if_set (reply);
	+
	+ if (!_mongoc_insert_many_opts_parse (
	+ collection->client, opts, &insert_many_opts, error)) {
	+ _mongoc_insert_many_opts_cleanup (&insert_many_opts);
	+ return false;
	+ }
	+
	+ _mongoc_write_result_init (&result);
	+ _mongoc_write_command_init_insert_idl (
	+ &command,
	+ NULL,
	+ &insert_many_opts.extra,
	+ ++collection->client->cluster.operation_id);
	+
	+ command.flags.ordered = insert_many_opts.ordered;
	+ command.flags.bypass_document_validation = insert_many_opts.bypass;
	+
	+ for (i = 0; i < n_documents; i++) {
	+ if (!_mongoc_validate_new_document (
	+ documents[i], insert_many_opts.crud.validate, error)) {
	+ ret = false;
	+ GOTO (done);
	+ }
	+
	+ _mongoc_write_command_insert_append (&command, documents[i]);
	+ }
	+
	+ _mongoc_collection_write_command_execute_idl (
	+ &command, collection, &insert_many_opts.crud, &result);
	+
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ insert_many_opts.crud.writeConcern,
	+ /* no error domain override */
	+ (mongoc_error_domain_t) 0,
	+ reply,
	+ error,
	+ "insertedCount");
	+
	+done:
	+ _mongoc_write_result_destroy (&result);
	+ _mongoc_write_command_destroy (&command);
	+ _mongoc_insert_many_opts_cleanup (&insert_many_opts);
	+
	+ RETURN (ret);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_update --
	+ *
	+ * Updates one or more documents matching @selector with @update.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @flags: The flags for the update.
	+ * @selector: A bson_t containing your selector.
	+ * @update: A bson_t containing your update document.
	+ * @write_concern: The write concern or NULL.
	+ * @error: A location for an error or NULL.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @collection->gle is setup, depending on write_concern->w value.
	+ * @error is setup upon failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_update (mongoc_collection_t *collection,
	+ mongoc_update_flags_t uflags,
	+ const bson_t *selector,
	+ const bson_t *update,
	+ const mongoc_write_concern_t *write_concern,
	+ bson_error_t *error)
	+{
	+ mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ bson_iter_t iter;
	+ bool ret;
	+ int flags = uflags;
	+ bson_t opts;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (selector);
	+ BSON_ASSERT_PARAM (update);
	+
	+ bson_clear (&collection->gle);
	+
	+ if (!write_concern) {
	+ write_concern = collection->write_concern;
	+ }
	+
	+ if (!((uint32_t) flags & MONGOC_UPDATE_NO_VALIDATE) &&
	+ bson_iter_init (&iter, update) && bson_iter_next (&iter)) {
	+ if (bson_iter_key (&iter)[0] == '$') {
	+ /* update document, all keys must be $-operators */
	+ if (!_mongoc_validate_update (
	+ update, _mongoc_default_update_vflags, error)) {
	+ return false;
	+ }
	+ } else {
	+ if (!_mongoc_validate_replace (
	+ update, _mongoc_default_replace_vflags, error)) {
	+ return false;
	+ }
	+ }
	+ }
	+
	+ bson_init (&opts);
	+ BSON_APPEND_BOOL (&opts, "upsert", !!(flags & MONGOC_UPDATE_UPSERT));
	+ BSON_APPEND_BOOL (&opts, "multi", !!(flags & MONGOC_UPDATE_MULTI_UPDATE));
	+
	+ _mongoc_write_result_init (&result);
	+ _mongoc_write_command_init_update (
	+ &command,
	+ selector,
	+ update,
	+ &opts,
	+ write_flags,
	+ ++collection->client->cluster.operation_id);
	+ bson_destroy (&opts);
	+
	+ command.flags.has_multi_write = !!(flags & MONGOC_UPDATE_MULTI_UPDATE);
	+
	+ _mongoc_collection_write_command_execute (
	+ &command, collection, write_concern, NULL, &result);
	+
	+ collection->gle = bson_new ();
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ write_concern,
	+ /* no error domain override */
	+ (mongoc_error_domain_t) 0,
	+ collection->gle,
	+ error);
	+
	+ _mongoc_write_result_destroy (&result);
	+ _mongoc_write_command_destroy (&command);
	+
	+ RETURN (ret);
	+}
	+
	+static bool
	+_mongoc_collection_update_or_replace (mongoc_collection_t *collection,
	+ const bson_t *selector,
	+ const bson_t *update,
	+ mongoc_update_opts_t *update_opts,
	+ bool multi,
	+ bool bypass,
	+ const bson_t *array_filters,
	+ bson_t *extra,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ mongoc_server_stream_t *server_stream = NULL;
	+ bool reply_initialized = false;
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (selector);
	+ BSON_ASSERT_PARAM (update);
	+
	+ if (update_opts->upsert) {
	+ bson_append_bool (extra, "upsert", 6, true);
	+ }
	+
	+ if (!bson_empty (&update_opts->collation)) {
	+ bson_append_document (extra, "collation", 9, &update_opts->collation);
	+ }
	+
	+ if (update_opts->hint.value_type) {
	+ bson_append_value (extra, "hint", 4, &update_opts->hint);
	+ }
	+
	+ if (!bson_empty0 (array_filters)) {
	+ bson_append_array (extra, "arrayFilters", 12, array_filters);
	+ }
	+
	+ if (multi) {
	+ bson_append_bool (extra, "multi", 5, true);
	+ }
	+
	+ _mongoc_write_result_init (&result);
	+ _mongoc_write_command_init_update_idl (
	+ &command,
	+ selector,
	+ update,
	+ extra,
	+ ++collection->client->cluster.operation_id);
	+
	+ command.flags.has_multi_write = multi;
	+ command.flags.bypass_document_validation = bypass;
	+ if (!bson_empty (&update_opts->collation)) {
	+ command.flags.has_collation = true;
	+ }
	+ if (update_opts->hint.value_type) {
	+ command.flags.has_update_hint = true;
	+ }
	+
	+ server_stream =
	+ mongoc_cluster_stream_for_writes (&collection->client->cluster,
	+ update_opts->crud.client_session,
	+ reply,
	+ error);
	+
	+ if (!server_stream) {
	+ /* mongoc_cluster_stream_for_writes inits reply on error */
	+ reply_initialized = true;
	+ GOTO (done);
	+ }
	+
	+ if (!bson_empty0 (array_filters)) {
	+ if (server_stream->sd->max_wire_version < WIRE_VERSION_ARRAY_FILTERS) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "The selected server does not support array filters");
	+ GOTO (done);
	+ }
	+
	+ if (!mongoc_write_concern_is_acknowledged (
	+ update_opts->crud.writeConcern)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "Cannot use array filters with unacknowledged writes");
	+ GOTO (done);
	+ }
	+ }
	+
	+ if (_mongoc_client_session_in_txn (update_opts->crud.client_session) &&
	+ update_opts->crud.writeConcern) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot set write concern after starting transaction");
	+ GOTO (done);
	+ }
	+
	+ if (!update_opts->crud.writeConcern &&
	+ !_mongoc_client_session_in_txn (update_opts->crud.client_session)) {
	+ update_opts->crud.writeConcern = collection->write_concern;
	+ update_opts->crud.write_concern_owned = false;
	+ }
	+
	+ _mongoc_write_command_execute_idl (&command,
	+ collection->client,
	+ server_stream,
	+ collection->db,
	+ collection->collection,
	+ 0 /* offset */,
	+ &update_opts->crud,
	+ &result);
	+
	+ _mongoc_bson_init_if_set (reply);
	+ reply_initialized = true;
	+
	+ /* set fields described in CRUD spec for the UpdateResult */
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ update_opts->crud.writeConcern,
	+ /* no error domain override */
	+ (mongoc_error_domain_t) 0,
	+ reply,
	+ error,
	+ "modifiedCount",
	+ "matchedCount",
	+ "upsertedCount",
	+ "upsertedId");
	+
	+done:
	+ _mongoc_write_result_destroy (&result);
	+ mongoc_server_stream_cleanup (server_stream);
	+ _mongoc_write_command_destroy (&command);
	+
	+ if (!reply_initialized) {
	+ _mongoc_bson_init_if_set (reply);
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+bool
	+mongoc_collection_update_one (mongoc_collection_t *collection,
	+ const bson_t *selector,
	+ const bson_t *update,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_update_one_opts_t update_one_opts;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (update);
	+
	+ if (!_mongoc_update_one_opts_parse (
	+ collection->client, opts, &update_one_opts, error)) {
	+ _mongoc_update_one_opts_cleanup (&update_one_opts);
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ if (!_mongoc_validate_update (
	+ update, update_one_opts.update.crud.validate, error)) {
	+ _mongoc_update_one_opts_cleanup (&update_one_opts);
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ ret = _mongoc_collection_update_or_replace (collection,
	+ selector,
	+ update,
	+ &update_one_opts.update,
	+ false /* multi */,
	+ update_one_opts.update.bypass,
	+ &update_one_opts.arrayFilters,
	+ &update_one_opts.extra,
	+ reply,
	+ error);
	+
	+ _mongoc_update_one_opts_cleanup (&update_one_opts);
	+
	+ RETURN (ret);
	+}
	+
	+bool
	+mongoc_collection_update_many (mongoc_collection_t *collection,
	+ const bson_t *selector,
	+ const bson_t *update,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_update_many_opts_t update_many_opts;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (update);
	+
	+ if (!_mongoc_update_many_opts_parse (
	+ collection->client, opts, &update_many_opts, error)) {
	+ _mongoc_update_many_opts_cleanup (&update_many_opts);
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ if (!_mongoc_validate_update (
	+ update, update_many_opts.update.crud.validate, error)) {
	+ _mongoc_update_many_opts_cleanup (&update_many_opts);
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ ret = _mongoc_collection_update_or_replace (collection,
	+ selector,
	+ update,
	+ &update_many_opts.update,
	+ true /* multi */,
	+ update_many_opts.update.bypass,
	+ &update_many_opts.arrayFilters,
	+ &update_many_opts.extra,
	+ reply,
	+ error);
	+
	+ _mongoc_update_many_opts_cleanup (&update_many_opts);
	+
	+ RETURN (ret);
	+}
	+
	+bool
	+mongoc_collection_replace_one (mongoc_collection_t *collection,
	+ const bson_t *selector,
	+ const bson_t *replacement,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_replace_one_opts_t replace_one_opts;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (replacement);
	+
	+ if (!_mongoc_replace_one_opts_parse (
	+ collection->client, opts, &replace_one_opts, error)) {
	+ _mongoc_replace_one_opts_cleanup (&replace_one_opts);
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ if (!_mongoc_validate_replace (
	+ replacement, replace_one_opts.update.crud.validate, error)) {
	+ _mongoc_replace_one_opts_cleanup (&replace_one_opts);
	+ _mongoc_bson_init_if_set (reply);
	+ return false;
	+ }
	+
	+ ret = _mongoc_collection_update_or_replace (collection,
	+ selector,
	+ replacement,
	+ &replace_one_opts.update,
	+ false /* multi */,
	+ replace_one_opts.update.bypass,
	+ NULL,
	+ &replace_one_opts.extra,
	+ reply,
	+ error);
	+
	+ _mongoc_replace_one_opts_cleanup (&replace_one_opts);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_save --
	+ *
	+ * Save @document to @collection.
	+ *
	+ * If the document has an _id field, it will be updated. Otherwise,
	+ * the document will be inserted into the collection.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set upon failure if non-NULL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_save (mongoc_collection_t *collection,
	+ const bson_t *document,
	+ const mongoc_write_concern_t *write_concern,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ bool ret;
	+ bson_t selector;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (document);
	+
	+ BEGIN_IGNORE_DEPRECATIONS
	+ if (!bson_iter_init_find (&iter, document, "_id")) {
	+ return mongoc_collection_insert (
	+ collection, MONGOC_INSERT_NONE, document, write_concern, error);
	+ }
	+
	+ bson_init (&selector);
	+ if (!bson_append_iter (&selector, NULL, 0, &iter)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Failed to append bson to create update.");
	+ bson_destroy (&selector);
	+ return false;
	+ }
	+
	+ /* this document will be inserted, validate same as for inserts */
	+ if (!_mongoc_validate_new_document (
	+ document, _mongoc_default_insert_vflags, error)) {
	+ return false;
	+ }
	+
	+ ret = mongoc_collection_update (collection,
	+ MONGOC_UPDATE_UPSERT \|
	+ MONGOC_UPDATE_NO_VALIDATE,
	+ &selector,
	+ document,
	+ write_concern,
	+ error);
	+ END_IGNORE_DEPRECATIONS
	+
	+ bson_destroy (&selector);
	+
	+ return ret;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_remove --
	+ *
	+ * Delete one or more items from a collection. If you want to
	+ * limit to a single delete, provided MONGOC_REMOVE_SINGLE_REMOVE
	+ * for @flags.
	+ *
	+ * Superseded by mongoc_collection_delete_one/many.
	+ *
	+ * Parameters:
	+ * @collection: A mongoc_collection_t.
	+ * @flags: the delete flags or 0.
	+ * @selector: A selector of documents to delete.
	+ * @write_concern: A write concern or NULL. If NULL, the default
	+ * write concern for the collection will be used.
	+ * @error: A location for an error or NULL.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and error is set.
	+ *
	+ * If the write concern does not dictate checking the result, this
	+ * function may return true even if it failed.
	+ *
	+ * Side effects:
	+ * @collection->gle is setup, depending on write_concern->w value.
	+ * @error is setup upon failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_remove (mongoc_collection_t *collection,
	+ mongoc_remove_flags_t flags,
	+ const bson_t *selector,
	+ const mongoc_write_concern_t *write_concern,
	+ bson_error_t *error)
	+{
	+ mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ bson_t opts;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (selector);
	+
	+ bson_clear (&collection->gle);
	+
	+ if (!write_concern) {
	+ write_concern = collection->write_concern;
	+ }
	+
	+ bson_init (&opts);
	+ BSON_APPEND_INT32 (
	+ &opts, "limit", flags & MONGOC_REMOVE_SINGLE_REMOVE ? 1 : 0);
	+ _mongoc_write_result_init (&result);
	+ ++collection->client->cluster.operation_id;
	+ _mongoc_write_command_init_delete (&command,
	+ selector,
	+ NULL,
	+ &opts,
	+ write_flags,
	+ collection->client->cluster.operation_id);
	+ bson_destroy (&opts);
	+
	+ command.flags.has_multi_write = !(flags & MONGOC_REMOVE_SINGLE_REMOVE);
	+
	+ _mongoc_collection_write_command_execute (
	+ &command, collection, write_concern, NULL, &result);
	+
	+ collection->gle = bson_new ();
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ write_concern,
	+ 0 /* no error domain override */,
	+ collection->gle,
	+ error);
	+
	+ _mongoc_write_result_destroy (&result);
	+ _mongoc_write_command_destroy (&command);
	+
	+ RETURN (ret);
	+}
	+
	+
	+bool
	+mongoc_collection_delete (mongoc_collection_t *collection,
	+ mongoc_delete_flags_t flags,
	+ const bson_t *selector,
	+ const mongoc_write_concern_t *write_concern,
	+ bson_error_t *error)
	+{
	+ return mongoc_collection_remove (collection,
	+ (mongoc_remove_flags_t) flags,
	+ selector,
	+ write_concern,
	+ error);
	+}
	+
	+
	+static bool
	+_mongoc_delete_one_or_many (mongoc_collection_t *collection,
	+ bool multi,
	+ const bson_t *selector,
	+ mongoc_delete_opts_t *delete_opts,
	+ const bson_t *cmd_opts,
	+ bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_write_command_t command;
	+ mongoc_write_result_t result;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (selector);
	+ BSON_ASSERT (bson_empty0 (reply));
	+
	+ _mongoc_write_result_init (&result);
	+ bson_append_int32 (opts, "limit", 5, multi ? 0 : 1);
	+
	+ if (!bson_empty (&delete_opts->collation)) {
	+ bson_append_document (opts, "collation", 9, &delete_opts->collation);
	+ }
	+
	+ if (delete_opts->hint.value_type) {
	+ bson_append_value (opts, "hint", 4, &delete_opts->hint);
	+ }
	+
	+ _mongoc_write_command_init_delete_idl (
	+ &command,
	+ selector,
	+ cmd_opts,
	+ opts,
	+ ++collection->client->cluster.operation_id);
	+
	+ command.flags.has_multi_write = multi;
	+ if (!bson_empty (&delete_opts->collation)) {
	+ command.flags.has_collation = true;
	+ }
	+ if (delete_opts->hint.value_type) {
	+ command.flags.has_delete_hint = true;
	+ }
	+
	+ _mongoc_collection_write_command_execute_idl (
	+ &command, collection, &delete_opts->crud, &result);
	+
	+ /* set field described in CRUD spec for the DeleteResult */
	+ ret = MONGOC_WRITE_RESULT_COMPLETE (&result,
	+ collection->client->error_api_version,
	+ delete_opts->crud.writeConcern,
	+ /* no error domain override */
	+ (mongoc_error_domain_t) 0,
	+ reply,
	+ error,
	+ "deletedCount");
	+
	+ _mongoc_write_result_destroy (&result);
	+ _mongoc_write_command_destroy (&command);
	+
	+ RETURN (ret);
	+}
	+
	+
	+bool
	+mongoc_collection_delete_one (mongoc_collection_t *collection,
	+ const bson_t *selector,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_delete_one_opts_t delete_one_opts;
	+ bson_t limit = BSON_INITIALIZER;
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (selector);
	+
	+ _mongoc_bson_init_if_set (reply);
	+ if (!_mongoc_delete_one_opts_parse (
	+ collection->client, opts, &delete_one_opts, error)) {
	+ GOTO (done);
	+ }
	+
	+ ret = _mongoc_delete_one_or_many (collection,
	+ false /* multi */,
	+ selector,
	+ &delete_one_opts.delete,
	+ &delete_one_opts.extra,
	+ &limit,
	+ reply,
	+ error);
	+
	+done:
	+ _mongoc_delete_one_opts_cleanup (&delete_one_opts);
	+ bson_destroy (&limit);
	+
	+ RETURN (ret);
	+}
	+
	+bool
	+mongoc_collection_delete_many (mongoc_collection_t *collection,
	+ const bson_t *selector,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_delete_many_opts_t delete_many_opts;
	+ bson_t limit = BSON_INITIALIZER;
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (selector);
	+
	+ _mongoc_bson_init_if_set (reply);
	+ if (!_mongoc_delete_many_opts_parse (
	+ collection->client, opts, &delete_many_opts, error)) {
	+ GOTO (done);
	+ }
	+
	+ ret = _mongoc_delete_one_or_many (collection,
	+ true /* multi */,
	+ selector,
	+ &delete_many_opts.delete,
	+ &delete_many_opts.extra,
	+ &limit,
	+ reply,
	+ error);
	+
	+done:
	+ _mongoc_delete_many_opts_cleanup (&delete_many_opts);
	+ bson_destroy (&limit);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_get_read_prefs --
	+ *
	+ * Fetch the default read preferences for the collection.
	+ *
	+ * Returns:
	+ * A mongoc_read_prefs_t that should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_read_prefs_t *
	+mongoc_collection_get_read_prefs (const mongoc_collection_t *collection)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+ return collection->read_prefs;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_set_read_prefs --
	+ *
	+ * Sets the default read preferences for the collection instance.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_collection_set_read_prefs (mongoc_collection_t *collection,
	+ const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ if (collection->read_prefs) {
	+ mongoc_read_prefs_destroy (collection->read_prefs);
	+ collection->read_prefs = NULL;
	+ }
	+
	+ if (read_prefs) {
	+ collection->read_prefs = mongoc_read_prefs_copy (read_prefs);
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_get_read_concern --
	+ *
	+ * Fetches the default read concern for the collection instance.
	+ *
	+ * Returns:
	+ * A mongoc_read_concern_t that should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_read_concern_t *
	+mongoc_collection_get_read_concern (const mongoc_collection_t *collection)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return collection->read_concern;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_set_read_concern --
	+ *
	+ * Sets the default read concern for the collection instance.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_collection_set_read_concern (mongoc_collection_t *collection,
	+ const mongoc_read_concern_t *read_concern)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ if (collection->read_concern) {
	+ mongoc_read_concern_destroy (collection->read_concern);
	+ collection->read_concern = NULL;
	+ }
	+
	+ if (read_concern) {
	+ collection->read_concern = mongoc_read_concern_copy (read_concern);
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_get_write_concern --
	+ *
	+ * Fetches the default write concern for the collection instance.
	+ *
	+ * Returns:
	+ * A mongoc_write_concern_t that should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const mongoc_write_concern_t *
	+mongoc_collection_get_write_concern (const mongoc_collection_t *collection)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return collection->write_concern;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_set_write_concern --
	+ *
	+ * Sets the default write concern for the collection instance.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_collection_set_write_concern (
	+ mongoc_collection_t collection, const mongoc_write_concern_t write_concern)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ if (collection->write_concern) {
	+ mongoc_write_concern_destroy (collection->write_concern);
	+ collection->write_concern = NULL;
	+ }
	+
	+ if (write_concern) {
	+ collection->write_concern = mongoc_write_concern_copy (write_concern);
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_get_name --
	+ *
	+ * Returns the name of the collection, excluding the database name.
	+ *
	+ * Returns:
	+ * A string which should not be modified or freed.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const char *
	+mongoc_collection_get_name (mongoc_collection_t *collection)
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return collection->collection;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_get_last_error --
	+ *
	+ * Returns a bulk result.
	+ *
	+ * Returns:
	+ * NULL or a bson_t that should not be modified or freed. This value
	+ * is not guaranteed to be persistent between calls into the
	+ * mongoc_collection_t instance, and therefore must be copied if
	+ * you would like to keep it around.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const bson_t *
	+mongoc_collection_get_last_error (
	+ const mongoc_collection_t collection) / IN */
	+{
	+ BSON_ASSERT_PARAM (collection);
	+
	+ return collection->gle;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_validate --
	+ *
	+ * Helper to call the validate command on the MongoDB server to
	+ * validate the collection.
	+ *
	+ * Options may be additional options, or NULL.
	+ * Currently supported options are:
	+ *
	+ * "full": Boolean
	+ *
	+ * If full is true, then perform a more resource intensive
	+ * validation.
	+ *
	+ * The result is stored in reply.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false and @error is set.
	+ *
	+ * Side effects:
	+ * @reply is set if successful.
	+ * @error may be set.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_validate (mongoc_collection_t collection, / IN */
	+ const bson_t options, / IN */
	+ bson_t reply, / OUT */
	+ bson_error_t error) / IN */
	+{
	+ bson_iter_t iter;
	+ bson_t cmd = BSON_INITIALIZER;
	+ bool ret = false;
	+ bool reply_initialized = false;
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ if (options && bson_iter_init_find (&iter, options, "full") &&
	+ !BSON_ITER_HOLDS_BOOL (&iter)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "'full' must be a boolean value.");
	+ goto cleanup;
	+ }
	+
	+ bson_append_utf8 (
	+ &cmd, "validate", 8, collection->collection, collection->collectionlen);
	+
	+ if (options) {
	+ bson_concat (&cmd, options);
	+ }
	+
	+ ret =
	+ mongoc_collection_command_simple (collection, &cmd, NULL, reply, error);
	+ reply_initialized = true;
	+
	+cleanup:
	+ bson_destroy (&cmd);
	+
	+ if (reply && !reply_initialized) {
	+ bson_init (reply);
	+ }
	+
	+ return ret;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_rename --
	+ *
	+ * Rename the collection to @new_name.
	+ *
	+ * If @new_db is NULL, the same db will be used.
	+ *
	+ * If @drop_target_before_rename is true, then a collection named
	+ * @new_name will be dropped before renaming @collection to
	+ * @new_name.
	+ *
	+ * Returns:
	+ * true on success; false on failure and @error is set.
	+ *
	+ * Side effects:
	+ * @error is set on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_rename (mongoc_collection_t *collection,
	+ const char *new_db,
	+ const char *new_name,
	+ bool drop_target_before_rename,
	+ bson_error_t *error)
	+{
	+ return mongoc_collection_rename_with_opts (
	+ collection, new_db, new_name, drop_target_before_rename, NULL, error);
	+}
	+
	+
	+bool
	+mongoc_collection_rename_with_opts (mongoc_collection_t *collection,
	+ const char *new_db,
	+ const char *new_name,
	+ bool drop_target_before_rename,
	+ const bson_t *opts,
	+ bson_error_t *error)
	+{
	+ bson_t cmd = BSON_INITIALIZER;
	+ char *newns;
	+ bool ret;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (new_name);
	+
	+ if (strchr (new_name, '$')) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_NAMESPACE,
	+ MONGOC_ERROR_NAMESPACE_INVALID,
	+ "\"%s\" is an invalid collection name.",
	+ new_name);
	+ return false;
	+ }
	+
	+ newns =
	+ bson_strdup_printf ("%s.%s", new_db ? new_db : collection->db, new_name);
	+
	+ BSON_APPEND_UTF8 (&cmd, "renameCollection", collection->ns);
	+ BSON_APPEND_UTF8 (&cmd, "to", newns);
	+
	+ if (drop_target_before_rename) {
	+ BSON_APPEND_BOOL (&cmd, "dropTarget", true);
	+ }
	+
	+ ret = _mongoc_client_command_with_opts (collection->client,
	+ "admin",
	+ &cmd,
	+ MONGOC_CMD_WRITE,
	+ opts,
	+ MONGOC_QUERY_NONE,
	+ NULL, /* user prefs */
	+ collection->read_prefs,
	+ collection->read_concern,
	+ collection->write_concern,
	+ NULL, /* reply */
	+ error);
	+
	+ if (ret) {
	+ if (new_db) {
	+ bson_free (collection->db);
	+ collection->db = bson_strdup (new_db);
	+ }
	+
	+ bson_free (collection->collection);
	+ collection->collection = bson_strdup (new_name);
	+ collection->collectionlen = (int) strlen (collection->collection);
	+
	+ bson_free (collection->ns);
	+ collection->ns = bson_strdup_printf ("%s.%s", collection->db, new_name);
	+ collection->nslen = (int) strlen (collection->ns);
	+ }
	+
	+ bson_free (newns);
	+ bson_destroy (&cmd);
	+
	+ return ret;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_stats --
	+ *
	+ * Fetches statistics about the collection.
	+ *
	+ * The result is stored in @stats, which should NOT be an initialized
	+ * bson_t or a leak will occur.
	+ *
	+ * @stats, @options, and @error are optional.
	+ *
	+ * Returns:
	+ * true on success and @stats is set.
	+ * false on failure and @error is set.
	+ *
	+ * Side effects:
	+ * @stats and @error.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_stats (mongoc_collection_t *collection,
	+ const bson_t *options,
	+ bson_t *stats,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ bson_t cmd = BSON_INITIALIZER;
	+ bool ret;
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ if (options && bson_iter_init_find (&iter, options, "scale") &&
	+ !BSON_ITER_HOLDS_INT32 (&iter)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "'scale' must be an int32 value.");
	+ return false;
	+ }
	+
	+ BSON_APPEND_UTF8 (&cmd, "collStats", collection->collection);
	+
	+ if (options) {
	+ bson_concat (&cmd, options);
	+ }
	+
	+ /* Server Selection Spec: "may-use-secondary" commands SHOULD take a read
	+ * preference argument and otherwise MUST use the default read preference
	+ * from client, database or collection configuration. */
	+ ret = mongoc_collection_command_simple (
	+ collection, &cmd, collection->read_prefs, stats, error);
	+
	+ bson_destroy (&cmd);
	+
	+ return ret;
	+}
	+
	+
	+mongoc_bulk_operation_t *
	+mongoc_collection_create_bulk_operation (
	+ mongoc_collection_t *collection,
	+ bool ordered,
	+ const mongoc_write_concern_t *write_concern)
	+{
	+ bson_t opts = BSON_INITIALIZER;
	+ mongoc_bulk_operation_t *bulk;
	+ bool wc_ok = true;
	+
	+ bson_append_bool (&opts, "ordered", 7, ordered);
	+ if (write_concern) {
	+ wc_ok = mongoc_write_concern_append (
	+ (mongoc_write_concern_t *) write_concern, &opts);
	+ }
	+
	+ bulk = mongoc_collection_create_bulk_operation_with_opts (collection, &opts);
	+
	+ bson_destroy (&opts);
	+
	+ if (!wc_ok) {
	+ bson_set_error (&bulk->result.error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "invalid writeConcern");
	+ }
	+
	+ return bulk;
	+}
	+
	+
	+mongoc_bulk_operation_t *
	+mongoc_collection_create_bulk_operation_with_opts (
	+ mongoc_collection_t collection, const bson_t opts)
	+{
	+ mongoc_bulk_opts_t bulk_opts;
	+ mongoc_bulk_write_flags_t write_flags = MONGOC_BULK_WRITE_FLAGS_INIT;
	+ mongoc_write_concern_t *wc = NULL;
	+ mongoc_bulk_operation_t *bulk;
	+ bson_error_t err = {0};
	+
	+ BSON_ASSERT_PARAM (collection);
	+
	+ (void) _mongoc_bulk_opts_parse (collection->client, opts, &bulk_opts, &err);
	+ if (!_mongoc_client_session_in_txn (bulk_opts.client_session)) {
	+ wc = COALESCE (bulk_opts.writeConcern, collection->write_concern);
	+ }
	+ write_flags.ordered = bulk_opts.ordered;
	+ bulk = _mongoc_bulk_operation_new (collection->client,
	+ collection->db,
	+ collection->collection,
	+ write_flags,
	+ wc);
	+
	+ bulk->session = bulk_opts.client_session;
	+ if (err.domain) {
	+ /* _mongoc_bulk_opts_parse failed, above */
	+ memcpy (&bulk->result.error, &err, sizeof (bson_error_t));
	+ } else if (_mongoc_client_session_in_txn (bulk_opts.client_session) &&
	+ !mongoc_write_concern_is_default (bulk_opts.writeConcern)) {
	+ bson_set_error (&bulk->result.error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot set write concern after starting transaction");
	+ }
	+
	+ _mongoc_bulk_opts_cleanup (&bulk_opts);
	+
	+ return bulk;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_find_and_modify_with_opts --
	+ *
	+ * Find a document in @collection matching @query, applying @opts.
	+ *
	+ * If @reply is not NULL, then the result document will be placed
	+ * in reply and should be released with bson_destroy().
	+ *
	+ * See http://docs.mongodb.org/manual/reference/command/findAndModify/
	+ * for more information.
	+ *
	+ * Returns:
	+ * true on success; false on failure.
	+ *
	+ * Side effects:
	+ * reply is initialized.
	+ * error is set if false is returned.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_collection_find_and_modify_with_opts (
	+ mongoc_collection_t *collection,
	+ const bson_t *query,
	+ const mongoc_find_and_modify_opts_t *opts,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_cluster_t *cluster;
	+ mongoc_cmd_parts_t parts;
	+ bool is_retryable;
	+ bson_iter_t iter;
	+ bson_iter_t inner;
	+ const char *name;
	+ bson_t ss_reply;
	+ bson_t reply_local;
	+ bson_t *reply_ptr;
	+ bool ret = false;
	+ bson_t command = BSON_INITIALIZER;
	+ mongoc_server_stream_t *server_stream = NULL;
	+ mongoc_server_stream_t *retry_server_stream = NULL;
	+ mongoc_find_and_modify_appended_opts_t appended_opts;
	+ mongoc_write_concern_t *write_concern = NULL;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (query);
	+ BSON_ASSERT_PARAM (opts);
	+
	+ reply_ptr = reply ? reply : &reply_local;
	+ cluster = &collection->client->cluster;
	+
	+ mongoc_cmd_parts_init (
	+ &parts, collection->client, collection->db, MONGOC_QUERY_NONE, &command);
	+ parts.is_read_command = true;
	+ parts.is_write_command = true;
	+
	+ bson_init (reply_ptr);
	+
	+ if (!_mongoc_find_and_modify_appended_opts_parse (
	+ cluster->client, &opts->extra, &appended_opts, error)) {
	+ GOTO (done);
	+ }
	+
	+ server_stream = mongoc_cluster_stream_for_writes (
	+ cluster, appended_opts.client_session, &ss_reply, error);
	+
	+ if (!server_stream) {
	+ bson_concat (reply_ptr, &ss_reply);
	+ bson_destroy (&ss_reply);
	+ GOTO (done);
	+ }
	+
	+ name = mongoc_collection_get_name (collection);
	+ BSON_APPEND_UTF8 (&command, "findAndModify", name);
	+ BSON_APPEND_DOCUMENT (&command, "query", query);
	+
	+ if (opts->sort) {
	+ BSON_APPEND_DOCUMENT (&command, "sort", opts->sort);
	+ }
	+
	+ if (opts->update) {
	+ if (_mongoc_document_is_pipeline (opts->update)) {
	+ BSON_APPEND_ARRAY (&command, "update", opts->update);
	+ } else {
	+ BSON_APPEND_DOCUMENT (&command, "update", opts->update);
	+ }
	+ }
	+
	+ if (opts->fields) {
	+ BSON_APPEND_DOCUMENT (&command, "fields", opts->fields);
	+ }
	+
	+ if (opts->flags & MONGOC_FIND_AND_MODIFY_REMOVE) {
	+ BSON_APPEND_BOOL (&command, "remove", true);
	+ }
	+
	+ if (opts->flags & MONGOC_FIND_AND_MODIFY_UPSERT) {
	+ BSON_APPEND_BOOL (&command, "upsert", true);
	+ }
	+
	+ if (opts->flags & MONGOC_FIND_AND_MODIFY_RETURN_NEW) {
	+ BSON_APPEND_BOOL (&command, "new", true);
	+ }
	+
	+ if (opts->bypass_document_validation) {
	+ BSON_APPEND_BOOL (&command,
	+ "bypassDocumentValidation",
	+ opts->bypass_document_validation);
	+ }
	+
	+ if (opts->max_time_ms > 0) {
	+ BSON_APPEND_INT32 (&command, "maxTimeMS", opts->max_time_ms);
	+ }
	+
	+ /* Some options set via mongoc_find_and_modify_opts_append were parsed. Set
	+ * them on the command parts. */
	+ if (appended_opts.client_session) {
	+ mongoc_cmd_parts_set_session (&parts, appended_opts.client_session);
	+ }
	+
	+ if (appended_opts.writeConcern) {
	+ if (_mongoc_client_session_in_txn (parts.assembled.session)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Cannot set write concern after starting transaction");
	+ GOTO (done);
	+ }
	+
	+ write_concern = appended_opts.writeConcern;
	+ }
	+ /* inherit write concern from collection if not in transaction */
	+ else if (server_stream->sd->max_wire_version >=
	+ WIRE_VERSION_FAM_WRITE_CONCERN &&
	+ !_mongoc_client_session_in_txn (parts.assembled.session)) {
	+ if (!mongoc_write_concern_is_valid (collection->write_concern)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "The write concern is invalid.");
	+ GOTO (done);
	+ }
	+
	+ write_concern = collection->write_concern;
	+ }
	+
	+ if (appended_opts.hint.value_type) {
	+ int max_wire_version =
	+ mongoc_write_concern_is_acknowledged (write_concern)
	+ ? WIRE_VERSION_FIND_AND_MODIFY_HINT_SERVER_SIDE_ERROR
	+ : WIRE_VERSION_FIND_AND_MODIFY_HINT;
	+
	+ if (server_stream->sd->max_wire_version < max_wire_version) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "selected server does not support hint on findAndModify");
	+ GOTO (done);
	+ }
	+
	+ bson_append_value (&parts.extra, "hint", 4, &appended_opts.hint);
	+ }
	+
	+ /* Append any remaining unparsed options set via
	+ * mongoc_find_and_modify_opts_append to the command part. */
	+ if (bson_iter_init (&iter, &appended_opts.extra)) {
	+ bool ok = mongoc_cmd_parts_append_opts (
	+ &parts, &iter, server_stream->sd->max_wire_version, error);
	+ if (!ok) {
	+ GOTO (done);
	+ }
	+ }
	+
	+ /* An empty write concern amounts to a no-op, so there's no need to guard
	+ * against it. */
	+ if (!mongoc_cmd_parts_set_write_concern (
	+ &parts, write_concern, server_stream->sd->max_wire_version, error)) {
	+ GOTO (done);
	+ }
	+
	+ parts.assembled.operation_id = ++cluster->operation_id;
	+ if (!mongoc_cmd_parts_assemble (&parts, server_stream, error)) {
	+ GOTO (done);
	+ }
	+
	+ is_retryable = parts.is_retryable_write;
	+
	+ /* increment the transaction number for the first attempt of each retryable
	+ * write command */
	+ if (is_retryable) {
	+ bson_iter_t txn_number_iter;
	+ BSON_ASSERT (bson_iter_init_find (
	+ &txn_number_iter, parts.assembled.command, "txnNumber"));
	+ bson_iter_overwrite_int64 (
	+ &txn_number_iter,
	+ ++parts.assembled.session->server_session->txn_number);
	+ }
	+retry:
	+ bson_destroy (reply_ptr);
	+ ret = mongoc_cluster_run_command_monitored (
	+ cluster, &parts.assembled, reply_ptr, error);
	+
	+ if (parts.is_retryable_write) {
	+ _mongoc_write_error_handle_labels (
	+ ret, error, reply_ptr, server_stream->sd->max_wire_version);
	+ }
	+
	+ if (is_retryable) {
	+ _mongoc_write_error_update_if_unsupported_storage_engine (
	+ ret, error, reply_ptr);
	+ }
	+
	+ /* If a retryable error is encountered and the write is retryable, select
	+ * a new writable stream and retry. If server selection fails or the selected
	+ * server does not support retryable writes, fall through and allow the
	+ * original error to be reported. */
	+ if (is_retryable &&
	+ _mongoc_write_error_get_type (reply_ptr) == MONGOC_WRITE_ERR_RETRY) {
	+ bson_error_t ignored_error;
	+
	+ /* each write command may be retried at most once */
	+ is_retryable = false;
	+ retry_server_stream = mongoc_cluster_stream_for_writes (
	+ cluster, parts.assembled.session, NULL /* reply */, &ignored_error);
	+
	+ if (retry_server_stream && retry_server_stream->sd->max_wire_version >=
	+ WIRE_VERSION_RETRY_WRITES) {
	+ parts.assembled.server_stream = retry_server_stream;
	+ GOTO (retry);
	+ }
	+ }
	+
	+ if (bson_iter_init_find (&iter, reply_ptr, "writeConcernError") &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ const char *errmsg = NULL;
	+ int32_t code = 0;
	+
	+ BSON_ASSERT (bson_iter_recurse (&iter, &inner));
	+ while (bson_iter_next (&inner)) {
	+ if (BSON_ITER_IS_KEY (&inner, "code")) {
	+ code = (uint32_t) bson_iter_as_int64 (&inner);
	+ } else if (BSON_ITER_IS_KEY (&inner, "errmsg")) {
	+ errmsg = bson_iter_utf8 (&inner, NULL);
	+ }
	+ }
	+ bson_set_error (error,
	+ MONGOC_ERROR_WRITE_CONCERN,
	+ code,
	+ "Write Concern error: %s",
	+ errmsg);
	+ ret = false;
	+ }
	+
	+
	+done:
	+ mongoc_server_stream_cleanup (server_stream);
	+ mongoc_server_stream_cleanup (retry_server_stream);
	+
	+ if (ret && error) {
	+ /* if a retry succeeded, clear the initial error */
	+ memset (error, 0, sizeof (bson_error_t));
	+ }
	+ mongoc_cmd_parts_cleanup (&parts);
	+ bson_destroy (&command);
	+ if (&reply_local == reply_ptr) {
	+ bson_destroy (&reply_local);
	+ }
	+ _mongoc_find_and_modify_appended_opts_cleanup (&appended_opts);
	+ RETURN (ret);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_collection_find_and_modify --
	+ *
	+ * Find a document in @collection matching @query and update it with
	+ * the update document @update.
	+ *
	+ * If @reply is not NULL, then the result document will be placed
	+ * in reply and should be released with bson_destroy().
	+ *
	+ * If @remove is true, then the matching documents will be removed.
	+ *
	+ * If @fields is not NULL, it will be used to select the desired
	+ * resulting fields.
	+ *
	+ * If @_new is true, then the new version of the document is returned
	+ * instead of the old document.
	+ *
	+ * See http://docs.mongodb.org/manual/reference/command/findAndModify/
	+ * for more information.
	+ *
	+ * Returns:
	+ * true on success; false on failure.
	+ *
	+ * Side effects:
	+ * reply is initialized.
	+ * error is set if false is returned.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_collection_find_and_modify (mongoc_collection_t *collection,
	+ const bson_t *query,
	+ const bson_t *sort,
	+ const bson_t *update,
	+ const bson_t *fields,
	+ bool _remove,
	+ bool upsert,
	+ bool _new,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_find_and_modify_opts_t *opts;
	+ int flags = 0;
	+ bool ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT_PARAM (collection);
	+ BSON_ASSERT_PARAM (query);
	+ BSON_ASSERT (update \|\| _remove);
	+
	+
	+ if (_remove) {
	+ flags \|= MONGOC_FIND_AND_MODIFY_REMOVE;
	+ }
	+ if (upsert) {
	+ flags \|= MONGOC_FIND_AND_MODIFY_UPSERT;
	+ }
	+ if (_new) {
	+ flags \|= MONGOC_FIND_AND_MODIFY_RETURN_NEW;
	+ }
	+
	+ opts = mongoc_find_and_modify_opts_new ();
	+
	+ mongoc_find_and_modify_opts_set_sort (opts, sort);
	+ mongoc_find_and_modify_opts_set_update (opts, update);
	+ mongoc_find_and_modify_opts_set_fields (opts, fields);
	+ mongoc_find_and_modify_opts_set_flags (opts, flags);
	+
	+ ret = mongoc_collection_find_and_modify_with_opts (
	+ collection, query, opts, reply, error);
	+ mongoc_find_and_modify_opts_destroy (opts);
	+
	+ return ret;
	+}
	+
	+mongoc_change_stream_t *
	+mongoc_collection_watch (const mongoc_collection_t *coll,
	+ const bson_t *pipeline,
	+ const bson_t *opts)
	+{
	+ return _mongoc_change_stream_new_from_collection (coll, pipeline, opts);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-collection.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-compression.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h
	new file mode 100644
	index 00000000..4a645849
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h
	@@ -0,0 +1,423 @@
	+/*
	+ * Copyright 2013 MongoDB Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#if !defined(MONGOC_INSIDE) && !defined(MONGOC_COMPILATION)
	+#error "Only <mongoc/mongoc.h> can be included directly."
	+#endif
	+
	+
	+#ifndef MONGOC_CONFIG_H
	+#define MONGOC_CONFIG_H
	+
	+/* clang-format off */
	+
	+/*
	+ * NOTICE:
	+ * If you're about to update this file and add a config flag, make sure to
	+ * update:
	+ * o The bitfield in mongoc-handshake-private.h
	+ * o _mongoc_handshake_get_config_hex_string() in mongoc-handshake.c
	+ * o examples/parse_handshake_cfg.py
	+ * o test_handshake_config_string in test-mongoc-handshake.c
	+ */
	+
	+/* MONGOC_USER_SET_CFLAGS is set from config based on what compiler flags were
	+ * used to compile mongoc */
	+#define MONGOC_USER_SET_CFLAGS ""
	+
	+#define MONGOC_USER_SET_LDFLAGS ""
	+
	+/* MONGOC_CC is used to determine what C compiler was used to compile mongoc */
	+#define MONGOC_CC "cc"
	+
	+/*
	+ * MONGOC_ENABLE_SSL_SECURE_CHANNEL is set from configure to determine if we are
	+ * compiled with Native SSL support on Windows
	+ */
	+#define MONGOC_ENABLE_SSL_SECURE_CHANNEL 0
	+
	+#if MONGOC_ENABLE_SSL_SECURE_CHANNEL != 1
	+# undef MONGOC_ENABLE_SSL_SECURE_CHANNEL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO_CNG is set from configure to determine if we are
	+ * compiled with Native Crypto support on Windows
	+ */
	+#define MONGOC_ENABLE_CRYPTO_CNG 0
	+
	+#if MONGOC_ENABLE_CRYPTO_CNG != 1
	+# undef MONGOC_ENABLE_CRYPTO_CNG
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL_SECURE_TRANSPORT is set from configure to determine if we are
	+ * compiled with Native SSL support on Darwin
	+ */
	+#define MONGOC_ENABLE_SSL_SECURE_TRANSPORT 0
	+
	+#if MONGOC_ENABLE_SSL_SECURE_TRANSPORT != 1
	+# undef MONGOC_ENABLE_SSL_SECURE_TRANSPORT
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO is set from configure to determine if we are
	+ * compiled with Native Crypto support on Darwin
	+ */
	+#define MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO 0
	+
	+#if MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO != 1
	+# undef MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL_LIBRESSL is set from configure to determine if we are
	+ * compiled with LibreSSL support.
	+ */
	+#define MONGOC_ENABLE_SSL_LIBRESSL 0
	+
	+#if MONGOC_ENABLE_SSL_LIBRESSL != 1
	+# undef MONGOC_ENABLE_SSL_LIBRESSL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL_OPENSSL is set from configure to determine if we are
	+ * compiled with OpenSSL support.
	+ */
	+#define MONGOC_ENABLE_SSL_OPENSSL 1
	+
	+#if MONGOC_ENABLE_SSL_OPENSSL != 1
	+# undef MONGOC_ENABLE_SSL_OPENSSL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO_LIBCRYPTO is set from configure to determine if we are
	+ * compiled with OpenSSL support.
	+ */
	+#define MONGOC_ENABLE_CRYPTO_LIBCRYPTO 1
	+
	+#if MONGOC_ENABLE_CRYPTO_LIBCRYPTO != 1
	+# undef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL is set from configure to determine if we are
	+ * compiled with any SSL support.
	+ */
	+#define MONGOC_ENABLE_SSL 1
	+
	+#if MONGOC_ENABLE_SSL != 1
	+# undef MONGOC_ENABLE_SSL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO is set from configure to determine if we are
	+ * compiled with any crypto support.
	+ */
	+#define MONGOC_ENABLE_CRYPTO 1
	+
	+#if MONGOC_ENABLE_CRYPTO != 1
	+# undef MONGOC_ENABLE_CRYPTO
	+#endif
	+
	+
	+/*
	+ * Use system crypto profile
	+ */
	+#define MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE 0
	+
	+#if MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE != 1
	+# undef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	+#endif
	+
	+
	+/*
	+ * Use ASN1_STRING_get0_data () rather than the deprecated ASN1_STRING_data
	+ */
	+#define MONGOC_HAVE_ASN1_STRING_GET0_DATA 1
	+
	+#if MONGOC_HAVE_ASN1_STRING_GET0_DATA != 1
	+# undef MONGOC_HAVE_ASN1_STRING_GET0_DATA
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SASL is set from configure to determine if we are
	+ * compiled with SASL support.
	+ */
	+#define MONGOC_ENABLE_SASL 1
	+
	+#if MONGOC_ENABLE_SASL != 1
	+# undef MONGOC_ENABLE_SASL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SASL_CYRUS is set from configure to determine if we are
	+ * compiled with Cyrus SASL support.
	+ */
	+#define MONGOC_ENABLE_SASL_CYRUS 1
	+
	+#if MONGOC_ENABLE_SASL_CYRUS != 1
	+# undef MONGOC_ENABLE_SASL_CYRUS
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SASL_SSPI is set from configure to determine if we are
	+ * compiled with SSPI support.
	+ */
	+#define MONGOC_ENABLE_SASL_SSPI 0
	+
	+#if MONGOC_ENABLE_SASL_SSPI != 1
	+# undef MONGOC_ENABLE_SASL_SSPI
	+#endif
	+
	+/*
	+ * MONGOC_HAVE_SASL_CLIENT_DONE is set from configure to determine if we
	+ * have SASL and its version is new enough to use sasl_client_done (),
	+ * which supersedes sasl_done ().
	+ */
	+#define MONGOC_HAVE_SASL_CLIENT_DONE 1
	+
	+#if MONGOC_HAVE_SASL_CLIENT_DONE != 1
	+# undef MONGOC_HAVE_SASL_CLIENT_DONE
	+#endif
	+
	+
	+/*
	+ * Disable automatic calls to mongoc_init() and mongoc_cleanup()
	+ * before main() is called, and after exit() (respectively).
	+ */
	+#define MONGOC_NO_AUTOMATIC_GLOBALS 1
	+
	+#if MONGOC_NO_AUTOMATIC_GLOBALS != 1
	+# undef MONGOC_NO_AUTOMATIC_GLOBALS
	+#endif
	+
	+/*
	+ * MONGOC_HAVE_SOCKLEN is set from configure to determine if we
	+ * need to emulate the type.
	+ */
	+#define MONGOC_HAVE_SOCKLEN 1
	+
	+#if MONGOC_HAVE_SOCKLEN != 1
	+# undef MONGOC_HAVE_SOCKLEN
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_DNSAPI is set from configure to determine if we should use the
	+ * Windows dnsapi for SRV record lookups.
	+ */
	+#define MONGOC_HAVE_DNSAPI 0
	+
	+#if MONGOC_HAVE_DNSAPI != 1
	+# undef MONGOC_HAVE_DNSAPI
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_NSEARCH is set from configure to determine if we
	+ * have thread-safe res_nsearch().
	+ */
	+#define MONGOC_HAVE_RES_NSEARCH 1
	+
	+#if MONGOC_HAVE_RES_NSEARCH != 1
	+# undef MONGOC_HAVE_RES_NSEARCH
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_NDESTROY is set from configure to determine if we
	+ * have BSD / Darwin's res_ndestroy().
	+ */
	+#define MONGOC_HAVE_RES_NDESTROY 0
	+
	+#if MONGOC_HAVE_RES_NDESTROY != 1
	+# undef MONGOC_HAVE_RES_NDESTROY
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_NCLOSE is set from configure to determine if we
	+ * have Linux's res_nclose().
	+ */
	+#define MONGOC_HAVE_RES_NCLOSE 1
	+
	+#if MONGOC_HAVE_RES_NCLOSE != 1
	+# undef MONGOC_HAVE_RES_NCLOSE
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_SEARCH is set from configure to determine if we
	+ * have thread-unsafe res_search(). It's unset if we have the preferred
	+ * res_nsearch().
	+ */
	+#define MONGOC_HAVE_RES_SEARCH 0
	+
	+#if MONGOC_HAVE_RES_SEARCH != 1
	+# undef MONGOC_HAVE_RES_SEARCH
	+#endif
	+
	+
	+/*
	+ * Set from configure, see
	+ * https://curl.haxx.se/mail/lib-2009-04/0287.html
	+ */
	+#define MONGOC_SOCKET_ARG2 struct sockaddr
	+#define MONGOC_SOCKET_ARG3 socklen_t
	+
	+/*
	+ * Enable wire protocol compression negotiation
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION 1
	+
	+#if MONGOC_ENABLE_COMPRESSION != 1
	+# undef MONGOC_ENABLE_COMPRESSION
	+#endif
	+
	+/*
	+ * Set if we have snappy compression support
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION_SNAPPY 1
	+
	+#if MONGOC_ENABLE_COMPRESSION_SNAPPY != 1
	+# undef MONGOC_ENABLE_COMPRESSION_SNAPPY
	+#endif
	+
	+
	+/*
	+ * Set if we have zlib compression support
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION_ZLIB 1
	+
	+#if MONGOC_ENABLE_COMPRESSION_ZLIB != 1
	+# undef MONGOC_ENABLE_COMPRESSION_ZLIB
	+#endif
	+
	+/*
	+ * Set if we have zstd compression support
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION_ZSTD 1
	+
	+#if MONGOC_ENABLE_COMPRESSION_ZSTD != 1
	+# undef MONGOC_ENABLE_COMPRESSION_ZSTD
	+#endif
	+
	+/*
	+ * Set if performance counters are available and not disabled.
	+ *
	+ */
	+#define MONGOC_ENABLE_SHM_COUNTERS 0
	+
	+#if MONGOC_ENABLE_SHM_COUNTERS != 1
	+# undef MONGOC_ENABLE_SHM_COUNTERS
	+#endif
	+
	+/*
	+ * Set if we have enabled fast counters on Intel using the RDTSCP instruction
	+ *
	+ */
	+#define MONGOC_ENABLE_RDTSCP 0
	+
	+#if MONGOC_ENABLE_RDTSCP != 1
	+# undef MONGOC_ENABLE_RDTSCP
	+#endif
	+
	+
	+/*
	+ * Set if we have the sched_getcpu() function for use with counters
	+ *
	+ */
	+#define MONGOC_HAVE_SCHED_GETCPU 1
	+
	+#if MONGOC_HAVE_SCHED_GETCPU != 1
	+# undef MONGOC_HAVE_SCHED_GETCPU
	+#endif
	+
	+/*
	+ * Set if tracing is enabled. Logs things like network communication and
	+ * entry/exit of certain functions.
	+ */
	+#define MONGOC_TRACE 1
	+
	+enum {
	+ /**
	+ * @brief Compile-time constant determining whether the mongoc library was
	+ * compiled with tracing enabled.
	+ *
	+ * Can be controlled with the 'ENABLE_TRACING" configure-time boolean option
	+ */
	+ MONGOC_TRACE_ENABLED = MONGOC_TRACE
	+};
	+
	+/*
	+ * Set if we have ICU support.
	+ */
	+#define MONGOC_ENABLE_ICU 1
	+
	+#if MONGOC_ENABLE_ICU != 1
	+# undef MONGOC_ENABLE_ICU
	+#endif
	+
	+
	+/*
	+ * Set if we have Client Side Encryption support.
	+ */
	+
	+#define MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION 1
	+
	+#if MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION != 1
	+# undef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+#endif
	+
	+
	+/*
	+ * Set if struct sockaddr_storage has __ss_family (instead of ss_family)
	+ */
	+
	+#define MONGOC_HAVE_SS_FAMILY 1
	+
	+#if MONGOC_HAVE_SS_FAMILY != 1
	+# undef MONGOC_HAVE_SS_FAMILY
	+#endif
	+
	+/*
	+ * Set if building with AWS IAM support.
	+ */
	+#define MONGOC_ENABLE_MONGODB_AWS_AUTH 1
	+
	+#if MONGOC_ENABLE_MONGODB_AWS_AUTH != 1
	+# undef MONGOC_ENABLE_MONGODB_AWS_AUTH
	+#endif
	+
	+/* clang-format on */
	+
	+#endif /* MONGOC_CONFIG_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in
	new file mode 100644
	index 00000000..29882211
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-config.h.in
	@@ -0,0 +1,423 @@
	+/*
	+ * Copyright 2013 MongoDB Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#if !defined(MONGOC_INSIDE) && !defined(MONGOC_COMPILATION)
	+#error "Only <mongoc/mongoc.h> can be included directly."
	+#endif
	+
	+
	+#ifndef MONGOC_CONFIG_H
	+#define MONGOC_CONFIG_H
	+
	+/* clang-format off */
	+
	+/*
	+ * NOTICE:
	+ * If you're about to update this file and add a config flag, make sure to
	+ * update:
	+ * o The bitfield in mongoc-handshake-private.h
	+ * o _mongoc_handshake_get_config_hex_string() in mongoc-handshake.c
	+ * o examples/parse_handshake_cfg.py
	+ * o test_handshake_config_string in test-mongoc-handshake.c
	+ */
	+
	+/* MONGOC_USER_SET_CFLAGS is set from config based on what compiler flags were
	+ * used to compile mongoc */
	+#define MONGOC_USER_SET_CFLAGS "@MONGOC_USER_SET_CFLAGS@"
	+
	+#define MONGOC_USER_SET_LDFLAGS "@MONGOC_USER_SET_LDFLAGS@"
	+
	+/* MONGOC_CC is used to determine what C compiler was used to compile mongoc */
	+#define MONGOC_CC "@MONGOC_CC@"
	+
	+/*
	+ * MONGOC_ENABLE_SSL_SECURE_CHANNEL is set from configure to determine if we are
	+ * compiled with Native SSL support on Windows
	+ */
	+#define MONGOC_ENABLE_SSL_SECURE_CHANNEL @MONGOC_ENABLE_SSL_SECURE_CHANNEL@
	+
	+#if MONGOC_ENABLE_SSL_SECURE_CHANNEL != 1
	+# undef MONGOC_ENABLE_SSL_SECURE_CHANNEL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO_CNG is set from configure to determine if we are
	+ * compiled with Native Crypto support on Windows
	+ */
	+#define MONGOC_ENABLE_CRYPTO_CNG @MONGOC_ENABLE_CRYPTO_CNG@
	+
	+#if MONGOC_ENABLE_CRYPTO_CNG != 1
	+# undef MONGOC_ENABLE_CRYPTO_CNG
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL_SECURE_TRANSPORT is set from configure to determine if we are
	+ * compiled with Native SSL support on Darwin
	+ */
	+#define MONGOC_ENABLE_SSL_SECURE_TRANSPORT @MONGOC_ENABLE_SSL_SECURE_TRANSPORT@
	+
	+#if MONGOC_ENABLE_SSL_SECURE_TRANSPORT != 1
	+# undef MONGOC_ENABLE_SSL_SECURE_TRANSPORT
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO is set from configure to determine if we are
	+ * compiled with Native Crypto support on Darwin
	+ */
	+#define MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO @MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO@
	+
	+#if MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO != 1
	+# undef MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL_LIBRESSL is set from configure to determine if we are
	+ * compiled with LibreSSL support.
	+ */
	+#define MONGOC_ENABLE_SSL_LIBRESSL @MONGOC_ENABLE_SSL_LIBRESSL@
	+
	+#if MONGOC_ENABLE_SSL_LIBRESSL != 1
	+# undef MONGOC_ENABLE_SSL_LIBRESSL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL_OPENSSL is set from configure to determine if we are
	+ * compiled with OpenSSL support.
	+ */
	+#define MONGOC_ENABLE_SSL_OPENSSL @MONGOC_ENABLE_SSL_OPENSSL@
	+
	+#if MONGOC_ENABLE_SSL_OPENSSL != 1
	+# undef MONGOC_ENABLE_SSL_OPENSSL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO_LIBCRYPTO is set from configure to determine if we are
	+ * compiled with OpenSSL support.
	+ */
	+#define MONGOC_ENABLE_CRYPTO_LIBCRYPTO @MONGOC_ENABLE_CRYPTO_LIBCRYPTO@
	+
	+#if MONGOC_ENABLE_CRYPTO_LIBCRYPTO != 1
	+# undef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SSL is set from configure to determine if we are
	+ * compiled with any SSL support.
	+ */
	+#define MONGOC_ENABLE_SSL @MONGOC_ENABLE_SSL@
	+
	+#if MONGOC_ENABLE_SSL != 1
	+# undef MONGOC_ENABLE_SSL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_CRYPTO is set from configure to determine if we are
	+ * compiled with any crypto support.
	+ */
	+#define MONGOC_ENABLE_CRYPTO @MONGOC_ENABLE_CRYPTO@
	+
	+#if MONGOC_ENABLE_CRYPTO != 1
	+# undef MONGOC_ENABLE_CRYPTO
	+#endif
	+
	+
	+/*
	+ * Use system crypto profile
	+ */
	+#define MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE @MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE@
	+
	+#if MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE != 1
	+# undef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	+#endif
	+
	+
	+/*
	+ * Use ASN1_STRING_get0_data () rather than the deprecated ASN1_STRING_data
	+ */
	+#define MONGOC_HAVE_ASN1_STRING_GET0_DATA @MONGOC_HAVE_ASN1_STRING_GET0_DATA@
	+
	+#if MONGOC_HAVE_ASN1_STRING_GET0_DATA != 1
	+# undef MONGOC_HAVE_ASN1_STRING_GET0_DATA
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SASL is set from configure to determine if we are
	+ * compiled with SASL support.
	+ */
	+#define MONGOC_ENABLE_SASL @MONGOC_ENABLE_SASL@
	+
	+#if MONGOC_ENABLE_SASL != 1
	+# undef MONGOC_ENABLE_SASL
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SASL_CYRUS is set from configure to determine if we are
	+ * compiled with Cyrus SASL support.
	+ */
	+#define MONGOC_ENABLE_SASL_CYRUS @MONGOC_ENABLE_SASL_CYRUS@
	+
	+#if MONGOC_ENABLE_SASL_CYRUS != 1
	+# undef MONGOC_ENABLE_SASL_CYRUS
	+#endif
	+
	+
	+/*
	+ * MONGOC_ENABLE_SASL_SSPI is set from configure to determine if we are
	+ * compiled with SSPI support.
	+ */
	+#define MONGOC_ENABLE_SASL_SSPI @MONGOC_ENABLE_SASL_SSPI@
	+
	+#if MONGOC_ENABLE_SASL_SSPI != 1
	+# undef MONGOC_ENABLE_SASL_SSPI
	+#endif
	+
	+/*
	+ * MONGOC_HAVE_SASL_CLIENT_DONE is set from configure to determine if we
	+ * have SASL and its version is new enough to use sasl_client_done (),
	+ * which supersedes sasl_done ().
	+ */
	+#define MONGOC_HAVE_SASL_CLIENT_DONE @MONGOC_HAVE_SASL_CLIENT_DONE@
	+
	+#if MONGOC_HAVE_SASL_CLIENT_DONE != 1
	+# undef MONGOC_HAVE_SASL_CLIENT_DONE
	+#endif
	+
	+
	+/*
	+ * Disable automatic calls to mongoc_init() and mongoc_cleanup()
	+ * before main() is called, and after exit() (respectively).
	+ */
	+#define MONGOC_NO_AUTOMATIC_GLOBALS @MONGOC_NO_AUTOMATIC_GLOBALS@
	+
	+#if MONGOC_NO_AUTOMATIC_GLOBALS != 1
	+# undef MONGOC_NO_AUTOMATIC_GLOBALS
	+#endif
	+
	+/*
	+ * MONGOC_HAVE_SOCKLEN is set from configure to determine if we
	+ * need to emulate the type.
	+ */
	+#define MONGOC_HAVE_SOCKLEN @MONGOC_HAVE_SOCKLEN@
	+
	+#if MONGOC_HAVE_SOCKLEN != 1
	+# undef MONGOC_HAVE_SOCKLEN
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_DNSAPI is set from configure to determine if we should use the
	+ * Windows dnsapi for SRV record lookups.
	+ */
	+#define MONGOC_HAVE_DNSAPI @MONGOC_HAVE_DNSAPI@
	+
	+#if MONGOC_HAVE_DNSAPI != 1
	+# undef MONGOC_HAVE_DNSAPI
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_NSEARCH is set from configure to determine if we
	+ * have thread-safe res_nsearch().
	+ */
	+#define MONGOC_HAVE_RES_NSEARCH @MONGOC_HAVE_RES_NSEARCH@
	+
	+#if MONGOC_HAVE_RES_NSEARCH != 1
	+# undef MONGOC_HAVE_RES_NSEARCH
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_NDESTROY is set from configure to determine if we
	+ * have BSD / Darwin's res_ndestroy().
	+ */
	+#define MONGOC_HAVE_RES_NDESTROY @MONGOC_HAVE_RES_NDESTROY@
	+
	+#if MONGOC_HAVE_RES_NDESTROY != 1
	+# undef MONGOC_HAVE_RES_NDESTROY
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_NCLOSE is set from configure to determine if we
	+ * have Linux's res_nclose().
	+ */
	+#define MONGOC_HAVE_RES_NCLOSE @MONGOC_HAVE_RES_NCLOSE@
	+
	+#if MONGOC_HAVE_RES_NCLOSE != 1
	+# undef MONGOC_HAVE_RES_NCLOSE
	+#endif
	+
	+
	+/*
	+ * MONGOC_HAVE_RES_SEARCH is set from configure to determine if we
	+ * have thread-unsafe res_search(). It's unset if we have the preferred
	+ * res_nsearch().
	+ */
	+#define MONGOC_HAVE_RES_SEARCH @MONGOC_HAVE_RES_SEARCH@
	+
	+#if MONGOC_HAVE_RES_SEARCH != 1
	+# undef MONGOC_HAVE_RES_SEARCH
	+#endif
	+
	+
	+/*
	+ * Set from configure, see
	+ * https://curl.haxx.se/mail/lib-2009-04/0287.html
	+ */
	+#define MONGOC_SOCKET_ARG2 @MONGOC_SOCKET_ARG2@
	+#define MONGOC_SOCKET_ARG3 @MONGOC_SOCKET_ARG3@
	+
	+/*
	+ * Enable wire protocol compression negotiation
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION @MONGOC_ENABLE_COMPRESSION@
	+
	+#if MONGOC_ENABLE_COMPRESSION != 1
	+# undef MONGOC_ENABLE_COMPRESSION
	+#endif
	+
	+/*
	+ * Set if we have snappy compression support
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION_SNAPPY @MONGOC_ENABLE_COMPRESSION_SNAPPY@
	+
	+#if MONGOC_ENABLE_COMPRESSION_SNAPPY != 1
	+# undef MONGOC_ENABLE_COMPRESSION_SNAPPY
	+#endif
	+
	+
	+/*
	+ * Set if we have zlib compression support
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION_ZLIB @MONGOC_ENABLE_COMPRESSION_ZLIB@
	+
	+#if MONGOC_ENABLE_COMPRESSION_ZLIB != 1
	+# undef MONGOC_ENABLE_COMPRESSION_ZLIB
	+#endif
	+
	+/*
	+ * Set if we have zstd compression support
	+ *
	+ */
	+#define MONGOC_ENABLE_COMPRESSION_ZSTD @MONGOC_ENABLE_COMPRESSION_ZSTD@
	+
	+#if MONGOC_ENABLE_COMPRESSION_ZSTD != 1
	+# undef MONGOC_ENABLE_COMPRESSION_ZSTD
	+#endif
	+
	+/*
	+ * Set if performance counters are available and not disabled.
	+ *
	+ */
	+#define MONGOC_ENABLE_SHM_COUNTERS @MONGOC_ENABLE_SHM_COUNTERS@
	+
	+#if MONGOC_ENABLE_SHM_COUNTERS != 1
	+# undef MONGOC_ENABLE_SHM_COUNTERS
	+#endif
	+
	+/*
	+ * Set if we have enabled fast counters on Intel using the RDTSCP instruction
	+ *
	+ */
	+#define MONGOC_ENABLE_RDTSCP @MONGOC_ENABLE_RDTSCP@
	+
	+#if MONGOC_ENABLE_RDTSCP != 1
	+# undef MONGOC_ENABLE_RDTSCP
	+#endif
	+
	+
	+/*
	+ * Set if we have the sched_getcpu() function for use with counters
	+ *
	+ */
	+#define MONGOC_HAVE_SCHED_GETCPU @MONGOC_HAVE_SCHED_GETCPU@
	+
	+#if MONGOC_HAVE_SCHED_GETCPU != 1
	+# undef MONGOC_HAVE_SCHED_GETCPU
	+#endif
	+
	+/*
	+ * Set if tracing is enabled. Logs things like network communication and
	+ * entry/exit of certain functions.
	+ */
	+#define MONGOC_TRACE @MONGOC_TRACE@
	+
	+enum {
	+ /**
	+ * @brief Compile-time constant determining whether the mongoc library was
	+ * compiled with tracing enabled.
	+ *
	+ * Can be controlled with the 'ENABLE_TRACING" configure-time boolean option
	+ */
	+ MONGOC_TRACE_ENABLED = MONGOC_TRACE
	+};
	+
	+/*
	+ * Set if we have ICU support.
	+ */
	+#define MONGOC_ENABLE_ICU @MONGOC_ENABLE_ICU@
	+
	+#if MONGOC_ENABLE_ICU != 1
	+# undef MONGOC_ENABLE_ICU
	+#endif
	+
	+
	+/*
	+ * Set if we have Client Side Encryption support.
	+ */
	+
	+#define MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION @MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION@
	+
	+#if MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION != 1
	+# undef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+#endif
	+
	+
	+/*
	+ * Set if struct sockaddr_storage has __ss_family (instead of ss_family)
	+ */
	+
	+#define MONGOC_HAVE_SS_FAMILY @MONGOC_HAVE_SS_FAMILY@
	+
	+#if MONGOC_HAVE_SS_FAMILY != 1
	+# undef MONGOC_HAVE_SS_FAMILY
	+#endif
	+
	+/*
	+ * Set if building with AWS IAM support.
	+ */
	+#define MONGOC_ENABLE_MONGODB_AWS_AUTH @MONGOC_ENABLE_MONGODB_AWS_AUTH@
	+
	+#if MONGOC_ENABLE_MONGODB_AWS_AUTH != 1
	+# undef MONGOC_ENABLE_MONGODB_AWS_AUTH
	+#endif
	+
	+/* clang-format on */
	+
	+#endif /* MONGOC_CONFIG_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters-private.h
	new file mode 100644
	index 00000000..3a84ff64
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters-private.h
	@@ -0,0 +1,202 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_COUNTERS_PRIVATE_H
	+#define MONGOC_COUNTERS_PRIVATE_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc.h"
	+
	+#ifdef __linux__
	+#include <sched.h>
	+#include <sys/sysinfo.h>
	+#elif defined(__FreeBSD__) \|\| defined(__NetBSD__) \|\| defined(__DragonFly__) \|\| \
	+ defined(__OpenBSD__)
	+#include <sys/types.h>
	+#include <sys/sysctl.h>
	+#include <sys/param.h>
	+#elif defined(__hpux__)
	+#include <sys/pstat.h>
	+#endif
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+void
	+_mongoc_counters_init (void);
	+void
	+_mongoc_counters_cleanup (void);
	+
	+
	+static BSON_INLINE unsigned
	+_mongoc_get_cpu_count (void)
	+{
	+#if defined(__linux__)
	+ return get_nprocs ();
	+#elif defined(__hpux__)
	+ struct pst_dynamic psd;
	+
	+ if (pstat_getdynamic (&psd, sizeof (psd), (size_t) 1, 0) != -1) {
	+ return psd.psd_max_proc_cnt;
	+ }
	+ return 1;
	+#elif defined(__FreeBSD__) \|\| defined(__NetBSD__) \|\| defined(__DragonFly__) \|\| \
	+ defined(__OpenBSD__)
	+ int mib[2];
	+ int maxproc;
	+ size_t len;
	+
	+ mib[0] = CTL_HW;
	+ mib[1] = HW_NCPU;
	+ len = sizeof (maxproc);
	+
	+ if (-1 == sysctl (mib, 2, &maxproc, &len, NULL, 0)) {
	+ return 1;
	+ }
	+
	+ return len;
	+#elif defined(__APPLE__) \|\| defined(__sun) \|\| defined(_AIX)
	+ int ncpu;
	+
	+ ncpu = (int) sysconf (_SC_NPROCESSORS_ONLN);
	+ return (ncpu > 0) ? ncpu : 1;
	+#elif defined(_MSC_VER) \|\| defined(_WIN32)
	+ SYSTEM_INFO si;
	+ GetSystemInfo (&si);
	+ return si.dwNumberOfProcessors;
	+#else
	+#warning "_mongoc_get_cpu_count() not supported, defaulting to 1."
	+ return 1;
	+#endif
	+}
	+
	+
	+#if defined(MONGOC_ENABLE_RDTSCP)
	+static BSON_INLINE unsigned
	+_mongoc_sched_getcpu (void)
	+{
	+ volatile uint32_t rax, rdx, rcx;
	+ __asm__ volatile("rdtscp\n" : "=a"(rax), "=d"(rdx), "=c"(rcx) : :);
	+ unsigned node_id, core_id;
	+ // node_id = (rcx & 0xFFF000)>>12; // node_id is unused
	+ core_id = rcx & 0xFFF;
	+ return core_id;
	+}
	+#elif defined(MONGOC_HAVE_SCHED_GETCPU)
	+#define _mongoc_sched_getcpu sched_getcpu
	+#elif defined(__APPLE__) && defined(__aarch64__)
	+static BSON_INLINE unsigned
	+_mongoc_sched_getcpu (void)
	+{
	+ uintptr_t tls;
	+ unsigned core_id;
	+ /* Get the current thread ID, not the core ID.
	+ * Getting the core ID requires privileged execution. */
	+ __asm__ volatile("mrs %x0, tpidrro_el0" : "=r"(tls));
	+ /* In ARM, only 8 cores are manageable. */
	+ core_id = tls & 0x07u;
	+ return core_id;
	+}
	+#else
	+#define _mongoc_sched_getcpu() (0)
	+#endif
	+
	+
	+#ifndef SLOTS_PER_CACHELINE
	+#define SLOTS_PER_CACHELINE 8
	+#endif
	+
	+
	+typedef struct {
	+ int64_t slots[SLOTS_PER_CACHELINE];
	+} mongoc_counter_slots_t;
	+
	+
	+typedef struct {
	+ mongoc_counter_slots_t *cpus;
	+} mongoc_counter_t;
	+
	+
	+#define COUNTER(ident, Category, Name, Description) \
	+ extern mongoc_counter_t __mongoc_counter_##ident;
	+#include "mongoc-counters.defs"
	+#undef COUNTER
	+
	+
	+enum {
	+#define COUNTER(ident, Category, Name, Description) COUNTER_##ident,
	+#include "mongoc-counters.defs"
	+#undef COUNTER
	+ LAST_COUNTER
	+};
	+
	+#ifdef MONGOC_ENABLE_SHM_COUNTERS
	+#define COUNTER(ident, Category, Name, Description) \
	+ static BSON_INLINE void mongoc_counter_##ident##_add (int64_t val) \
	+ { \
	+ int64_t *counter = \
	+ &BSON_CONCAT (__mongoc_counter_, ident) \
	+ .cpus[_mongoc_sched_getcpu ()] \
	+ .slots[BSON_CONCAT (COUNTER_, ident) % SLOTS_PER_CACHELINE]; \
	+ bson_atomic_int64_fetch_add (counter, val, bson_memory_order_seq_cst); \
	+ } \
	+ static BSON_INLINE void mongoc_counter_##ident##_inc (void) \
	+ { \
	+ mongoc_counter_##ident##_add (1); \
	+ } \
	+ static BSON_INLINE void mongoc_counter_##ident##_dec (void) \
	+ { \
	+ mongoc_counter_##ident##_add (-1); \
	+ } \
	+ static BSON_INLINE void mongoc_counter_##ident##_reset (void) \
	+ { \
	+ uint32_t i; \
	+ for (i = 0; i < _mongoc_get_cpu_count (); i++) { \
	+ int64_t *counter = &__mongoc_counter_##ident.cpus[i] \
	+ .slots[COUNTER_##ident % SLOTS_PER_CACHELINE]; \
	+ bson_atomic_int64_exchange (counter, 0, bson_memory_order_seq_cst); \
	+ } \
	+ bson_atomic_thread_fence (); \
	+ }
	+#include "mongoc-counters.defs"
	+#undef COUNTER
	+#else
	+/* when counters are disabled, these functions are no-ops */
	+#define COUNTER(ident, Category, Name, Description) \
	+ static BSON_INLINE void mongoc_counter_##ident##_add (int64_t val) \
	+ { \
	+ } \
	+ static BSON_INLINE void mongoc_counter_##ident##_inc (void) \
	+ { \
	+ } \
	+ static BSON_INLINE void mongoc_counter_##ident##_dec (void) \
	+ { \
	+ } \
	+ static BSON_INLINE void mongoc_counter_##ident##_reset (void) \
	+ { \
	+ }
	+#include "mongoc-counters.defs"
	+#undef COUNTER
	+#endif
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_COUNTERS_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.defs b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.defs
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.defs
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-counters.defs
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypt.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-cng.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-common-crypto.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c
	new file mode 100644
	index 00000000..f48c5355
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c
	@@ -0,0 +1,118 @@
	+/*
	+ * Copyright 2016 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-config.h"
	+#include <bson/bson.h>
	+
	+#ifdef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	+#include "mongoc-crypto-openssl-private.h"
	+#include "mongoc-crypto-private.h"
	+
	+#include <openssl/sha.h>
	+#include <openssl/evp.h>
	+#include <openssl/hmac.h>
	+
	+
	+void
	+mongoc_crypto_openssl_hmac_sha1 (mongoc_crypto_t *crypto,
	+ const void *key,
	+ int key_len,
	+ const unsigned char *data,
	+ int data_len,
	+ unsigned char *hmac_out)
	+{
	+ /* U1 = HMAC(input, salt + 0001) */
	+ HMAC (EVP_sha1 (), key, key_len, data, data_len, hmac_out, NULL);
	+}
	+
	+#if OPENSSL_VERSION_NUMBER < 0x10100000L \|\| (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
	+static EVP_MD_CTX *
	+EVP_MD_CTX_new (void)
	+{
	+ return bson_malloc0 (sizeof (EVP_MD_CTX));
	+}
	+
	+static void
	+EVP_MD_CTX_free (EVP_MD_CTX *ctx)
	+{
	+ EVP_MD_CTX_cleanup (ctx);
	+ bson_free (ctx);
	+}
	+#endif
	+
	+bool
	+mongoc_crypto_openssl_sha1 (mongoc_crypto_t *crypto,
	+ const unsigned char *input,
	+ const size_t input_len,
	+ unsigned char *hash_out)
	+{
	+ EVP_MD_CTX *digest_ctxp = EVP_MD_CTX_new ();
	+ bool rval = false;
	+
	+ if (1 != EVP_DigestInit_ex (digest_ctxp, EVP_sha1 (), NULL)) {
	+ goto cleanup;
	+ }
	+
	+ if (1 != EVP_DigestUpdate (digest_ctxp, input, input_len)) {
	+ goto cleanup;
	+ }
	+
	+ rval = (1 == EVP_DigestFinal_ex (digest_ctxp, hash_out, NULL));
	+
	+cleanup:
	+ EVP_MD_CTX_free (digest_ctxp);
	+
	+ return rval;
	+}
	+
	+void
	+mongoc_crypto_openssl_hmac_sha256 (mongoc_crypto_t *crypto,
	+ const void *key,
	+ int key_len,
	+ const unsigned char *data,
	+ int data_len,
	+ unsigned char *hmac_out)
	+{
	+ /* U1 = HMAC(input, salt + 0001) */
	+ HMAC (EVP_sha256 (), key, key_len, data, data_len, hmac_out, NULL);
	+}
	+
	+bool
	+mongoc_crypto_openssl_sha256 (mongoc_crypto_t *crypto,
	+ const unsigned char *input,
	+ const size_t input_len,
	+ unsigned char *hash_out)
	+{
	+ EVP_MD_CTX *digest_ctxp = EVP_MD_CTX_new ();
	+ bool rval = false;
	+
	+ if (1 != EVP_DigestInit_ex (digest_ctxp, EVP_sha256 (), NULL)) {
	+ goto cleanup;
	+ }
	+
	+ if (1 != EVP_DigestUpdate (digest_ctxp, input, input_len)) {
	+ goto cleanup;
	+ }
	+
	+ rval = (1 == EVP_DigestFinal_ex (digest_ctxp, hash_out, NULL));
	+
	+cleanup:
	+ EVP_MD_CTX_free (digest_ctxp);
	+
	+ return rval;
	+}
	+
	+#endif
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-crypto.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-array.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-array.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-array.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-array.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-change-stream.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-change-stream.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-change-stream.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-change-stream.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd-deprecated.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd-deprecated.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd-deprecated.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd-deprecated.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd.c
	new file mode 100644
	index 00000000..b8308a19
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-cmd.c
	@@ -0,0 +1,217 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+#include "mongoc.h"
	+#include "mongoc-cursor-private.h"
	+#include "mongoc-client-private.h"
	+
	+typedef enum { NONE, CMD_RESPONSE, OP_GETMORE_RESPONSE } reading_from_t;
	+typedef enum { UNKNOWN, GETMORE_CMD, OP_GETMORE } getmore_type_t;
	+typedef struct _data_cmd_t {
	+ /* Two paths:
	+ * - Mongo 3.2+, sent "getMore" cmd, we're reading reply's "nextBatch" array
	+ * - Mongo 2.6 to 3, after "aggregate" or similar command we sent OP_GETMORE,
	+ * we're reading the raw reply from a stream
	+ */
	+ mongoc_cursor_response_t response;
	+ mongoc_cursor_response_legacy_t response_legacy;
	+ reading_from_t reading_from;
	+ getmore_type_t getmore_type; /* cache after first getmore. */
	+ bson_t cmd;
	+} data_cmd_t;
	+
	+
	+static getmore_type_t
	+_getmore_type (mongoc_cursor_t *cursor)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ int32_t wire_version;
	+ data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	+ if (data->getmore_type != UNKNOWN) {
	+ return data->getmore_type;
	+ }
	+ server_stream = _mongoc_cursor_fetch_stream (cursor);
	+ if (!server_stream) {
	+ return UNKNOWN;
	+ }
	+ wire_version = server_stream->sd->max_wire_version;
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ if (
	+ /* Server version 5.1 and newer do not support OP_GETMORE. */
	+ wire_version > WIRE_VERSION_5_0 \|\|
	+ /* Fallback to legacy OP_GETMORE wire protocol messages if exhaust cursor
	+ requested with server version 3.6 or newer . */
	+ (wire_version >= WIRE_VERSION_FIND_CMD &&
	+ !_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST))) {
	+ data->getmore_type = GETMORE_CMD;
	+ } else {
	+ data->getmore_type = OP_GETMORE;
	+ }
	+
	+ return data->getmore_type;
	+}
	+
	+
	+static mongoc_cursor_state_t
	+_prime (mongoc_cursor_t *cursor)
	+{
	+ data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	+ bson_t copied_opts;
	+ bson_init (&copied_opts);
	+
	+ cursor->operation_id = ++cursor->client->cluster.operation_id;
	+ /* commands like agg have a cursor field, so copy opts without "batchSize" */
	+ bson_copy_to_excluding_noinit (
	+ &cursor->opts, &copied_opts, "batchSize", "tailable", NULL);
	+
	+ /* server replies to aggregate/listIndexes/listCollections with:
	+ * {cursor: {id: N, firstBatch: []}} */
	+ _mongoc_cursor_response_refresh (
	+ cursor, &data->cmd, &copied_opts, &data->response);
	+ data->reading_from = CMD_RESPONSE;
	+ bson_destroy (&copied_opts);
	+ return IN_BATCH;
	+}
	+
	+
	+static mongoc_cursor_state_t
	+_pop_from_batch (mongoc_cursor_t *cursor)
	+{
	+ data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	+
	+ switch (data->reading_from) {
	+ case CMD_RESPONSE:
	+ _mongoc_cursor_response_read (cursor, &data->response, &cursor->current);
	+ break;
	+ case OP_GETMORE_RESPONSE:
	+ cursor->current = bson_reader_read (data->response_legacy.reader, NULL);
	+ break;
	+ case NONE:
	+ default:
	+ fprintf (stderr, "trying to pop from an uninitialized cursor reader.\n");
	+ BSON_ASSERT (false);
	+ }
	+ if (cursor->current) {
	+ return IN_BATCH;
	+ } else {
	+ return cursor->cursor_id ? END_OF_BATCH : DONE;
	+ }
	+}
	+
	+
	+static mongoc_cursor_state_t
	+_get_next_batch (mongoc_cursor_t *cursor)
	+{
	+ data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	+ bson_t getmore_cmd;
	+ getmore_type_t getmore_type = _getmore_type (cursor);
	+
	+ switch (getmore_type) {
	+ case GETMORE_CMD:
	+ _mongoc_cursor_prepare_getmore_command (cursor, &getmore_cmd);
	+ _mongoc_cursor_response_refresh (
	+ cursor, &getmore_cmd, NULL /* opts */, &data->response);
	+ bson_destroy (&getmore_cmd);
	+ data->reading_from = CMD_RESPONSE;
	+ return IN_BATCH;
	+ case OP_GETMORE:
	+ _mongoc_cursor_op_getmore (cursor, &data->response_legacy);
	+ data->reading_from = OP_GETMORE_RESPONSE;
	+ return IN_BATCH;
	+ case UNKNOWN:
	+ default:
	+ return DONE;
	+ }
	+}
	+
	+
	+static void
	+_destroy (mongoc_cursor_impl_t *impl)
	+{
	+ data_cmd_t data = (data_cmd_t ) impl->data;
	+ bson_destroy (&data->response.reply);
	+ bson_destroy (&data->cmd);
	+ _mongoc_cursor_response_legacy_destroy (&data->response_legacy);
	+ bson_free (data);
	+}
	+
	+
	+static void
	+_clone (mongoc_cursor_impl_t dst, const mongoc_cursor_impl_t src)
	+{
	+ data_cmd_t data_src = (data_cmd_t ) src->data;
	+ data_cmd_t *data_dst = bson_malloc0 (sizeof (data_cmd_t));
	+ bson_init (&data_dst->response.reply);
	+ _mongoc_cursor_response_legacy_init (&data_dst->response_legacy);
	+ bson_copy_to (&data_src->cmd, &data_dst->cmd);
	+ dst->data = data_dst;
	+}
	+
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_cmd_new (mongoc_client_t *client,
	+ const char *db_and_coll,
	+ const bson_t *cmd,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ const mongoc_read_concern_t *read_concern)
	+{
	+ mongoc_cursor_t *cursor;
	+ data_cmd_t data = bson_malloc0 (sizeof (data));
	+
	+ cursor = _mongoc_cursor_new_with_opts (
	+ client, db_and_coll, opts, user_prefs, default_prefs, read_concern);
	+ _mongoc_cursor_response_legacy_init (&data->response_legacy);
	+ _mongoc_cursor_check_and_copy_to (cursor, "command", cmd, &data->cmd);
	+ bson_init (&data->response.reply);
	+ cursor->impl.prime = _prime;
	+ cursor->impl.pop_from_batch = _pop_from_batch;
	+ cursor->impl.get_next_batch = _get_next_batch;
	+ cursor->impl.destroy = _destroy;
	+ cursor->impl.clone = _clone;
	+ cursor->impl.data = (void *) data;
	+ return cursor;
	+}
	+
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_cmd_new_from_reply (mongoc_client_t *client,
	+ const bson_t *cmd,
	+ const bson_t *opts,
	+ bson_t *reply)
	+{
	+ mongoc_cursor_t *cursor =
	+ _mongoc_cursor_cmd_new (client, NULL, cmd, opts, NULL, NULL, NULL);
	+ data_cmd_t data = (data_cmd_t ) cursor->impl.data;
	+
	+ data->reading_from = CMD_RESPONSE;
	+ cursor->state = IN_BATCH;
	+
	+ bson_destroy (&data->response.reply);
	+ if (!bson_steal (&data->response.reply, reply)) {
	+ bson_destroy (&data->response.reply);
	+ BSON_ASSERT (bson_steal (&data->response.reply, bson_copy (reply)));
	+ }
	+
	+ if (!_mongoc_cursor_start_reading_response (cursor, &data->response)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Couldn't parse cursor document");
	+ }
	+ return cursor;
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-cmd.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-cmd.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-cmd.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-cmd.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-opquery.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-opquery.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-opquery.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find-opquery.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find.c
	new file mode 100644
	index 00000000..48fb5c58
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-find.c
	@@ -0,0 +1,105 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc.h"
	+#include "mongoc-cursor-private.h"
	+#include "mongoc-client-private.h"
	+
	+typedef struct _data_find_t {
	+ bson_t filter;
	+} data_find_t;
	+
	+
	+extern void
	+_mongoc_cursor_impl_find_cmd_init (mongoc_cursor_t cursor, bson_t filter);
	+extern void
	+_mongoc_cursor_impl_find_opquery_init (mongoc_cursor_t cursor, bson_t filter);
	+
	+
	+static mongoc_cursor_state_t
	+_prime (mongoc_cursor_t *cursor)
	+{
	+ int32_t wire_version;
	+ mongoc_server_stream_t *server_stream;
	+ data_find_t data = (data_find_t ) cursor->impl.data;
	+
	+ /* determine if this should be a command or op_query cursor. */
	+ server_stream = _mongoc_cursor_fetch_stream (cursor);
	+ if (!server_stream) {
	+ return DONE;
	+ }
	+ wire_version = server_stream->sd->max_wire_version;
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ /* set all mongoc_impl_t function pointers. */
	+ if (
	+ /* Server version 5.1 and newer do not support OP_QUERY. */
	+ wire_version > WIRE_VERSION_5_0 \|\|
	+ /* Fallback to legacy OP_QUERY wire protocol messages if exhaust cursor
	+ requested with server version 3.6 or newer. */
	+ (wire_version >= WIRE_VERSION_FIND_CMD &&
	+ !_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST))) {
	+ _mongoc_cursor_impl_find_cmd_init (cursor, &data->filter /* stolen */);
	+ } else {
	+ _mongoc_cursor_impl_find_opquery_init (cursor,
	+ &data->filter /* stolen */);
	+ }
	+ /* destroy this impl data since impl functions have been replaced. */
	+ bson_free (data);
	+ /* prime with the new implementation. */
	+ return cursor->impl.prime (cursor);
	+}
	+
	+
	+static void
	+_clone (mongoc_cursor_impl_t dst, const mongoc_cursor_impl_t src)
	+{
	+ data_find_t *data_dst = bson_malloc0 (sizeof (data_find_t));
	+ data_find_t data_src = (data_find_t ) src->data;
	+ bson_copy_to (&data_src->filter, &data_dst->filter);
	+ dst->data = data_dst;
	+}
	+
	+
	+static void
	+_destroy (mongoc_cursor_impl_t *impl)
	+{
	+ data_find_t data = (data_find_t ) impl->data;
	+ bson_destroy (&data->filter);
	+ bson_free (data);
	+}
	+
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_find_new (mongoc_client_t *client,
	+ const char *db_and_coll,
	+ const bson_t *filter,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ const mongoc_read_concern_t *read_concern)
	+{
	+ mongoc_cursor_t *cursor;
	+ data_find_t *data = bson_malloc0 (sizeof (data_find_t));
	+ cursor = _mongoc_cursor_new_with_opts (
	+ client, db_and_coll, opts, user_prefs, default_prefs, read_concern);
	+ _mongoc_cursor_check_and_copy_to (cursor, "filter", filter, &data->filter);
	+ cursor->impl.prime = _prime;
	+ cursor->impl.clone = _clone;
	+ cursor->impl.destroy = _destroy;
	+ cursor->impl.data = data;
	+ return cursor;
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-legacy.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-legacy.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-legacy.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-legacy.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-private.h
	new file mode 100644
	index 00000000..b4196249
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor-private.h
	@@ -0,0 +1,337 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_CURSOR_PRIVATE_H
	+#define MONGOC_CURSOR_PRIVATE_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-client.h"
	+#include "mongoc-buffer-private.h"
	+#include "mongoc-rpc-private.h"
	+#include "mongoc-server-stream-private.h"
	+#include "mongoc-cluster-private.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+#define MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS "allowPartialResults"
	+#define MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS_LEN 19
	+#define MONGOC_CURSOR_AWAIT_DATA "awaitData"
	+#define MONGOC_CURSOR_AWAIT_DATA_LEN 9
	+#define MONGOC_CURSOR_BATCH_SIZE "batchSize"
	+#define MONGOC_CURSOR_BATCH_SIZE_LEN 9
	+#define MONGOC_CURSOR_COLLATION "collation"
	+#define MONGOC_CURSOR_COLLATION_LEN 9
	+#define MONGOC_CURSOR_COMMENT "comment"
	+#define MONGOC_CURSOR_COMMENT_LEN 7
	+#define MONGOC_CURSOR_EXHAUST "exhaust"
	+#define MONGOC_CURSOR_EXHAUST_LEN 7
	+#define MONGOC_CURSOR_FILTER "filter"
	+#define MONGOC_CURSOR_FILTER_LEN 6
	+#define MONGOC_CURSOR_FIND "find"
	+#define MONGOC_CURSOR_FIND_LEN 4
	+#define MONGOC_CURSOR_HINT "hint"
	+#define MONGOC_CURSOR_HINT_LEN 4
	+#define MONGOC_CURSOR_LIMIT "limit"
	+#define MONGOC_CURSOR_LIMIT_LEN 5
	+#define MONGOC_CURSOR_MAX "max"
	+#define MONGOC_CURSOR_MAX_LEN 3
	+#define MONGOC_CURSOR_MAX_AWAIT_TIME_MS "maxAwaitTimeMS"
	+#define MONGOC_CURSOR_MAX_AWAIT_TIME_MS_LEN 14
	+#define MONGOC_CURSOR_MAX_SCAN "maxScan"
	+#define MONGOC_CURSOR_MAX_SCAN_LEN 7
	+#define MONGOC_CURSOR_MAX_TIME_MS "maxTimeMS"
	+#define MONGOC_CURSOR_MAX_TIME_MS_LEN 9
	+#define MONGOC_CURSOR_MIN "min"
	+#define MONGOC_CURSOR_MIN_LEN 3
	+#define MONGOC_CURSOR_NO_CURSOR_TIMEOUT "noCursorTimeout"
	+#define MONGOC_CURSOR_NO_CURSOR_TIMEOUT_LEN 15
	+#define MONGOC_CURSOR_OPLOG_REPLAY "oplogReplay"
	+#define MONGOC_CURSOR_OPLOG_REPLAY_LEN 11
	+#define MONGOC_CURSOR_ORDERBY "orderby"
	+#define MONGOC_CURSOR_ORDERBY_LEN 7
	+#define MONGOC_CURSOR_PROJECTION "projection"
	+#define MONGOC_CURSOR_PROJECTION_LEN 10
	+#define MONGOC_CURSOR_QUERY "query"
	+#define MONGOC_CURSOR_QUERY_LEN 5
	+#define MONGOC_CURSOR_READ_CONCERN "readConcern"
	+#define MONGOC_CURSOR_READ_CONCERN_LEN 11
	+#define MONGOC_CURSOR_RETURN_KEY "returnKey"
	+#define MONGOC_CURSOR_RETURN_KEY_LEN 9
	+#define MONGOC_CURSOR_SHOW_DISK_LOC "showDiskLoc"
	+#define MONGOC_CURSOR_SHOW_DISK_LOC_LEN 11
	+#define MONGOC_CURSOR_SHOW_RECORD_ID "showRecordId"
	+#define MONGOC_CURSOR_SHOW_RECORD_ID_LEN 12
	+#define MONGOC_CURSOR_SINGLE_BATCH "singleBatch"
	+#define MONGOC_CURSOR_SINGLE_BATCH_LEN 11
	+#define MONGOC_CURSOR_SKIP "skip"
	+#define MONGOC_CURSOR_SKIP_LEN 4
	+#define MONGOC_CURSOR_SNAPSHOT "snapshot"
	+#define MONGOC_CURSOR_SNAPSHOT_LEN 8
	+#define MONGOC_CURSOR_SORT "sort"
	+#define MONGOC_CURSOR_SORT_LEN 4
	+#define MONGOC_CURSOR_TAILABLE "tailable"
	+#define MONGOC_CURSOR_TAILABLE_LEN 8
	+
	+typedef struct _mongoc_cursor_impl_t mongoc_cursor_impl_t;
	+typedef enum { UNPRIMED, IN_BATCH, END_OF_BATCH, DONE } mongoc_cursor_state_t;
	+typedef mongoc_cursor_state_t (*_mongoc_cursor_impl_transition_t) (
	+ mongoc_cursor_t *cursor);
	+struct _mongoc_cursor_impl_t {
	+ void (clone) (mongoc_cursor_impl_t dst, const mongoc_cursor_impl_t *src);
	+ void (destroy) (mongoc_cursor_impl_t ctx);
	+ _mongoc_cursor_impl_transition_t prime;
	+ _mongoc_cursor_impl_transition_t pop_from_batch;
	+ _mongoc_cursor_impl_transition_t get_next_batch;
	+ void *data;
	+};
	+
	+/* pre-3.2 and exhaust cursor responses -- read documents from stream. */
	+typedef struct _mongoc_cursor_response_legacy {
	+ mongoc_rpc_t rpc;
	+ mongoc_buffer_t buffer;
	+ bson_reader_t *reader;
	+} mongoc_cursor_response_legacy_t;
	+
	+/* 3.2+ responses -- read batch docs like {cursor:{id: 123, firstBatch: []}} */
	+typedef struct _mongoc_cursor_response_t {
	+ bson_t reply; /* the entire command reply */
	+ bson_iter_t batch_iter; /* iterates over the batch array */
	+ bson_t current_doc; /* the current doc inside the batch array */
	+} mongoc_cursor_response_t;
	+
	+struct _mongoc_cursor_t {
	+ mongoc_client_t *client;
	+ uint32_t client_generation;
	+
	+ uint32_t server_id;
	+ bool secondary_ok;
	+
	+ mongoc_cursor_state_t state;
	+ bool in_exhaust;
	+
	+ bson_t opts;
	+
	+ mongoc_read_concern_t *read_concern;
	+ mongoc_read_prefs_t *read_prefs;
	+ mongoc_write_concern_t *write_concern;
	+
	+ /** If the cursor was created for an operation that might have overridden the
	+ * user's read preferences' read mode, then server selection forced the
	+ * cursor to use a read preference mode of 'primary' server. Whether this
	+ * force occurred is stored here: */
	+ bool must_use_primary;
	+
	+ /** Whether this cursor corresponds to an aggregate command that contains a
	+ * writing-stage */
	+ bool is_aggr_with_write_stage;
	+
	+ bool explicit_session;
	+ mongoc_client_session_t *client_session;
	+
	+ uint32_t count;
	+
	+ char *ns;
	+ uint32_t nslen;
	+ uint32_t dblen;
	+
	+ bson_error_t error;
	+ bson_t error_doc; /* always initialized, and set with server errors. */
	+
	+ const bson_t *current;
	+
	+ mongoc_cursor_impl_t impl;
	+
	+ int64_t operation_id;
	+ int64_t cursor_id;
	+};
	+
	+int32_t
	+_mongoc_n_return (mongoc_cursor_t *cursor);
	+void
	+_mongoc_set_cursor_ns (mongoc_cursor_t cursor, const char ns, uint32_t nslen);
	+bool
	+_mongoc_cursor_get_opt_bool (const mongoc_cursor_t cursor, const char option);
	+void
	+_mongoc_cursor_flags_to_opts (mongoc_query_flags_t qflags,
	+ bson_t *opts,
	+ bool *secondary_ok);
	+bool
	+_mongoc_cursor_translate_dollar_query_opts (const bson_t *query,
	+ bson_t *opts,
	+ bson_t *unwrapped,
	+ bson_error_t *error);
	+mongoc_server_stream_t *
	+_mongoc_cursor_fetch_stream (mongoc_cursor_t *cursor);
	+void
	+_mongoc_cursor_collection (const mongoc_cursor_t *cursor,
	+ const char **collection,
	+ int *collection_len);
	+bool
	+_mongoc_cursor_run_command (mongoc_cursor_t *cursor,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bool retry_prohibited);
	+bool
	+_mongoc_cursor_more (mongoc_cursor_t *cursor);
	+
	+bool
	+_mongoc_cursor_set_opt_int64 (mongoc_cursor_t *cursor,
	+ const char *option,
	+ int64_t value);
	+void
	+_mongoc_cursor_monitor_failed (mongoc_cursor_t *cursor,
	+ int64_t duration,
	+ mongoc_server_stream_t *stream,
	+ const char *cmd_name);
	+bool
	+_mongoc_cursor_monitor_command (mongoc_cursor_t *cursor,
	+ mongoc_server_stream_t *server_stream,
	+ const bson_t *cmd,
	+ const char *cmd_name);
	+void
	+_mongoc_cursor_prepare_find_command (mongoc_cursor_t *cursor,
	+ const bson_t *filter,
	+ bson_t *command);
	+const bson_t *
	+_mongoc_cursor_initial_query (mongoc_cursor_t *cursor);
	+const bson_t *
	+_mongoc_cursor_get_more (mongoc_cursor_t *cursor);
	+bool
	+_mongoc_cursor_opts_to_flags (mongoc_cursor_t *cursor,
	+ mongoc_server_stream_t *stream,
	+ mongoc_query_flags_t flags / OUT */);
	+void
	+_mongoc_cursor_monitor_succeeded (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_legacy_t *response,
	+ int64_t duration,
	+ bool first_batch,
	+ mongoc_server_stream_t *stream,
	+ const char *cmd_name);
	+/* start iterating a reply like
	+ * {cursor: {id: 1234, ns: "db.collection", firstBatch: [...]}} or
	+ * {cursor: {id: 1234, ns: "db.collection", nextBatch: [...]}} */
	+void
	+_mongoc_cursor_response_refresh (mongoc_cursor_t *cursor,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ mongoc_cursor_response_t *response);
	+bool
	+_mongoc_cursor_start_reading_response (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_t *response);
	+void
	+_mongoc_cursor_response_read (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_t *response,
	+ const bson_t **bson);
	+void
	+_mongoc_cursor_prepare_getmore_command (mongoc_cursor_t *cursor,
	+ bson_t *command);
	+void
	+_mongoc_cursor_set_empty (mongoc_cursor_t *cursor);
	+bool
	+_mongoc_cursor_check_and_copy_to (mongoc_cursor_t *cursor,
	+ const char *err_prefix,
	+ const bson_t *src,
	+ bson_t *dst);
	+void
	+_mongoc_cursor_prime (mongoc_cursor_t *cursor);
	+/* legacy functions defined in mongoc-cursor-legacy.c */
	+bool
	+_mongoc_cursor_next (mongoc_cursor_t cursor, const bson_t *bson);
	+bool
	+_mongoc_cursor_op_query_find (mongoc_cursor_t *cursor,
	+ bson_t *filter,
	+ mongoc_cursor_response_legacy_t *response);
	+void
	+_mongoc_cursor_op_getmore (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_legacy_t *response);
	+mongoc_cursor_t *
	+_mongoc_cursor_new_with_opts (mongoc_client_t *client,
	+ const char *db_and_collection,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ const mongoc_read_concern_t *read_concern);
	+void
	+_mongoc_cursor_response_legacy_init (mongoc_cursor_response_legacy_t *response);
	+void
	+_mongoc_cursor_response_legacy_destroy (
	+ mongoc_cursor_response_legacy_t *response);
	+/* cursor constructors. */
	+mongoc_cursor_t *
	+_mongoc_cursor_find_new (mongoc_client_t *client,
	+ const char *db_and_coll,
	+ const bson_t *filter,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ const mongoc_read_concern_t *read_concern);
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_cmd_new (mongoc_client_t *client,
	+ const char *db_and_coll,
	+ const bson_t *cmd,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ const mongoc_read_concern_t *read_concern);
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_cmd_new_from_reply (mongoc_client_t *client,
	+ const bson_t *cmd,
	+ const bson_t *opts,
	+ bson_t *reply);
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_cmd_deprecated_new (mongoc_client_t *client,
	+ const char *db_and_coll,
	+ const bson_t *cmd,
	+ const mongoc_read_prefs_t *read_prefs);
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_array_new (mongoc_client_t *client,
	+ const char *db_and_coll,
	+ const bson_t *cmd,
	+ const bson_t *opts,
	+ const char *field_name);
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_change_stream_new (mongoc_client_t *client,
	+ bson_t *reply,
	+ const bson_t *opts);
	+
	+bool
	+_mongoc_cursor_change_stream_end_of_batch (mongoc_cursor_t *cursor);
	+
	+const bson_t *
	+_mongoc_cursor_change_stream_get_post_batch_resume_token (
	+ mongoc_cursor_t *cursor);
	+
	+bool
	+_mongoc_cursor_change_stream_has_post_batch_resume_token (
	+ mongoc_cursor_t *cursor);
	+
	+const bson_t *
	+_mongoc_cursor_change_stream_get_reply (mongoc_cursor_t *cursor);
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_CURSOR_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.c
	new file mode 100644
	index 00000000..2aa8164c
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.c
	@@ -0,0 +1,1791 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc-cursor.h"
	+#include "mongoc-cursor-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-client-session-private.h"
	+#include "mongoc-counters-private.h"
	+#include "mongoc-error.h"
	+#include "mongoc-error-private.h"
	+#include "mongoc-log.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-read-concern-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-write-concern-private.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-aggregate-private.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "cursor"
	+
	+
	+#define CURSOR_FAILED(cursor_) ((cursor_)->error.domain != 0)
	+
	+static bool
	+_translate_query_opt (const char *query_field,
	+ const char **cmd_field,
	+ int *len);
	+
	+
	+bool
	+_mongoc_cursor_set_opt_int64 (mongoc_cursor_t *cursor,
	+ const char *option,
	+ int64_t value)
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	+ if (!BSON_ITER_HOLDS_INT64 (&iter)) {
	+ return false;
	+ }
	+
	+ bson_iter_overwrite_int64 (&iter, value);
	+ return true;
	+ }
	+
	+ return BSON_APPEND_INT64 (&cursor->opts, option, value);
	+}
	+
	+
	+static int64_t
	+_mongoc_cursor_get_opt_int64 (const mongoc_cursor_t *cursor,
	+ const char *option,
	+ int64_t default_value)
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	+ return bson_iter_as_int64 (&iter);
	+ }
	+
	+ return default_value;
	+}
	+
	+
	+static bool
	+_mongoc_cursor_set_opt_bool (mongoc_cursor_t *cursor,
	+ const char *option,
	+ bool value)
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	+ if (!BSON_ITER_HOLDS_BOOL (&iter)) {
	+ return false;
	+ }
	+
	+ bson_iter_overwrite_bool (&iter, value);
	+ return true;
	+ }
	+
	+ return BSON_APPEND_BOOL (&cursor->opts, option, value);
	+}
	+
	+
	+bool
	+_mongoc_cursor_get_opt_bool (const mongoc_cursor_t cursor, const char option)
	+{
	+ bson_iter_t iter;
	+
	+ if (bson_iter_init_find (&iter, &cursor->opts, option)) {
	+ return bson_iter_as_bool (&iter);
	+ }
	+
	+ return false;
	+}
	+
	+
	+int32_t
	+_mongoc_n_return (mongoc_cursor_t *cursor)
	+{
	+ int64_t limit;
	+ int64_t batch_size;
	+ int64_t n_return;
	+
	+ /* calculate numberToReturn according to:
	+ * https://github.com/mongodb/specifications/blob/master/source/crud/crud.rst#combining-limit-and-batch-size-for-the-wire-protocol
	+ */
	+ limit = mongoc_cursor_get_limit (cursor);
	+ batch_size = mongoc_cursor_get_batch_size (cursor);
	+
	+ if (limit < 0) {
	+ n_return = limit;
	+ } else if (limit == 0) {
	+ n_return = batch_size;
	+ } else if (batch_size == 0) {
	+ n_return = limit;
	+ } else if (limit < batch_size) {
	+ n_return = limit;
	+ } else {
	+ n_return = batch_size;
	+ }
	+
	+ /* if a specified limit exists, account for documents already returned. */
	+ if (limit > 0 && cursor->count) {
	+ int64_t remaining = limit - cursor->count;
	+ /* remaining can be 0 if we have retrieved "limit" documents, but still
	+ * have a cursor id: SERVER-21086. use nonzero batchSize to fetch final
	+ * empty batch and trigger server to close cursor. */
	+ if (remaining <= 0) {
	+ return 1;
	+ }
	+
	+ n_return = BSON_MIN (n_return, remaining);
	+ }
	+
	+ /* check boundary conditions */
	+ if (n_return < INT32_MIN) {
	+ return INT32_MIN;
	+ } else if (n_return > INT32_MAX) {
	+ return INT32_MAX;
	+ } else {
	+ return (int32_t) n_return;
	+ }
	+}
	+
	+
	+void
	+_mongoc_set_cursor_ns (mongoc_cursor_t cursor, const char ns, uint32_t nslen)
	+{
	+ const char *dot;
	+
	+ bson_free (cursor->ns);
	+ cursor->ns = bson_strndup (ns, nslen);
	+ cursor->nslen = nslen;
	+ dot = strstr (cursor->ns, ".");
	+
	+ if (dot) {
	+ cursor->dblen = (uint32_t) (dot - cursor->ns);
	+ } else {
	+ /* a database name with no collection name */
	+ cursor->dblen = cursor->nslen;
	+ }
	+}
	+
	+
	+/* return first key beginning with $, or NULL. precondition: bson is valid. */
	+static const char *
	+_first_dollar_field (const bson_t *bson)
	+{
	+ bson_iter_t iter;
	+ const char *key;
	+
	+ BSON_ASSERT (bson_iter_init (&iter, bson));
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+
	+ if (key[0] == '$') {
	+ return key;
	+ }
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+/* if src is non-NULL, it is validated and copied to dst. returns false and
	+ * sets the cursor error if validation fails. */
	+bool
	+_mongoc_cursor_check_and_copy_to (mongoc_cursor_t *cursor,
	+ const char *err_prefix,
	+ const bson_t *src,
	+ bson_t *dst)
	+{
	+ bson_error_t validate_err;
	+ bson_init (dst);
	+ if (src) {
	+ if (!bson_validate_with_error (
	+ src, BSON_VALIDATE_EMPTY_KEYS, &validate_err)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Invalid %s: %s",
	+ err_prefix,
	+ validate_err.message);
	+ return false;
	+ }
	+
	+ bson_destroy (dst);
	+ bson_copy_to (src, dst);
	+ }
	+ return true;
	+}
	+
	+
	+mongoc_cursor_t *
	+_mongoc_cursor_new_with_opts (mongoc_client_t *client,
	+ const char *db_and_collection,
	+ const bson_t *opts,
	+ const mongoc_read_prefs_t *user_prefs,
	+ const mongoc_read_prefs_t *default_prefs,
	+ const mongoc_read_concern_t *read_concern)
	+{
	+ mongoc_cursor_t *cursor;
	+ mongoc_topology_description_type_t td_type;
	+ uint32_t server_id;
	+ mongoc_read_concern_t *read_concern_local = NULL;
	+ bson_error_t validate_err;
	+ const char *dollar_field;
	+ bson_iter_t iter;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (client);
	+
	+ cursor = (mongoc_cursor_t ) bson_malloc0 (sizeof cursor);
	+ cursor->client = client;
	+ cursor->state = UNPRIMED;
	+ cursor->client_generation = client->generation;
	+ cursor->is_aggr_with_write_stage = false;
	+
	+ bson_init (&cursor->opts);
	+ bson_init (&cursor->error_doc);
	+
	+ if (opts) {
	+ if (!bson_validate_with_error (
	+ opts, BSON_VALIDATE_EMPTY_KEYS, &validate_err)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Invalid opts: %s",
	+ validate_err.message);
	+ GOTO (finish);
	+ }
	+
	+ dollar_field = _first_dollar_field (opts);
	+ if (dollar_field) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot use $-modifiers in opts: \"%s\"",
	+ dollar_field);
	+ GOTO (finish);
	+ }
	+
	+ if (bson_iter_init_find (&iter, opts, "sessionId")) {
	+ if (!_mongoc_client_session_from_iter (
	+ client, &iter, &cursor->client_session, &cursor->error)) {
	+ GOTO (finish);
	+ }
	+
	+ cursor->explicit_session = true;
	+ }
	+
	+ if (bson_iter_init_find (&iter, opts, "readConcern")) {
	+ read_concern_local =
	+ _mongoc_read_concern_new_from_iter (&iter, &cursor->error);
	+
	+ if (!read_concern_local) {
	+ /* invalid read concern */
	+ GOTO (finish);
	+ }
	+
	+ read_concern = read_concern_local;
	+ }
	+
	+ /* true if there's a valid serverId or no serverId, false on err */
	+ if (!_mongoc_get_server_id_from_opts (opts,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ &server_id,
	+ &cursor->error)) {
	+ GOTO (finish);
	+ }
	+
	+ if (server_id) {
	+ (void) mongoc_cursor_set_hint (cursor, server_id);
	+ }
	+
	+ bson_copy_to_excluding_noinit (opts,
	+ &cursor->opts,
	+ "serverId",
	+ "sessionId",
	+ "bypassDocumentValidation",
	+ NULL);
	+
	+
	+ /* only include bypassDocumentValidation if it's true */
	+ if (bson_iter_init_find (&iter, opts, "bypassDocumentValidation") &&
	+ bson_iter_as_bool (&iter)) {
	+ BSON_APPEND_BOOL (&cursor->opts, "bypassDocumentValidation", true);
	+ }
	+ }
	+
	+ if (_mongoc_client_session_in_txn (cursor->client_session)) {
	+ if (!IS_PREF_PRIMARY (user_prefs)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Read preference in a transaction must be primary");
	+ GOTO (finish);
	+ }
	+
	+ cursor->read_prefs =
	+ mongoc_read_prefs_copy (cursor->client_session->txn.opts.read_prefs);
	+
	+ if (bson_has_field (opts, "readConcern")) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot set read concern after starting transaction");
	+ GOTO (finish);
	+ }
	+ } else if (user_prefs) {
	+ cursor->read_prefs = mongoc_read_prefs_copy (user_prefs);
	+ } else if (default_prefs) {
	+ cursor->read_prefs = mongoc_read_prefs_copy (default_prefs);
	+ } else {
	+ cursor->read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	+ }
	+
	+ cursor->read_concern = read_concern ? mongoc_read_concern_copy (read_concern)
	+ : mongoc_read_concern_new ();
	+
	+ if (db_and_collection) {
	+ _mongoc_set_cursor_ns (
	+ cursor, db_and_collection, (uint32_t) strlen (db_and_collection));
	+ }
	+
	+ if (_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST)) {
	+ if (_mongoc_cursor_get_opt_int64 (cursor, MONGOC_CURSOR_LIMIT, 0)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot specify both 'exhaust' and 'limit'.");
	+ GOTO (finish);
	+ }
	+
	+ td_type = _mongoc_topology_get_type (client->topology);
	+
	+ if (td_type == MONGOC_TOPOLOGY_SHARDED) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot use exhaust cursor with sharded cluster.");
	+ GOTO (finish);
	+ }
	+ }
	+
	+ (void) _mongoc_read_prefs_validate (cursor->read_prefs, &cursor->error);
	+
	+finish:
	+ mongoc_read_concern_destroy (read_concern_local);
	+ mongoc_counter_cursors_active_inc ();
	+
	+ RETURN (cursor);
	+}
	+
	+
	+static bool
	+_translate_query_opt (const char query_field, const char cmd_field, int len)
	+{
	+ if (query_field[0] != '$') {
	+ *cmd_field = query_field;
	+ *len = -1;
	+ return true;
	+ }
	+
	+ /* strip the leading '$' */
	+ query_field++;
	+
	+ if (!strcmp (MONGOC_CURSOR_ORDERBY, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_SORT;
	+ *len = MONGOC_CURSOR_SORT_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_SHOW_DISK_LOC,
	+ query_field)) { /* <= MongoDb 3.0 */
	+ *cmd_field = MONGOC_CURSOR_SHOW_RECORD_ID;
	+ *len = MONGOC_CURSOR_SHOW_RECORD_ID_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_HINT, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_HINT;
	+ *len = MONGOC_CURSOR_HINT_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_COMMENT, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_COMMENT;
	+ *len = MONGOC_CURSOR_COMMENT_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_MAX_SCAN, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_MAX_SCAN;
	+ *len = MONGOC_CURSOR_MAX_SCAN_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_MAX_TIME_MS, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_MAX_TIME_MS;
	+ *len = MONGOC_CURSOR_MAX_TIME_MS_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_MAX, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_MAX;
	+ *len = MONGOC_CURSOR_MAX_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_MIN, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_MIN;
	+ *len = MONGOC_CURSOR_MIN_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_RETURN_KEY, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_RETURN_KEY;
	+ *len = MONGOC_CURSOR_RETURN_KEY_LEN;
	+ } else if (!strcmp (MONGOC_CURSOR_SNAPSHOT, query_field)) {
	+ *cmd_field = MONGOC_CURSOR_SNAPSHOT;
	+ *len = MONGOC_CURSOR_SNAPSHOT_LEN;
	+ } else {
	+ /* not a special command field, must be a query operator like $or */
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+/* set up a new opt bson from older ways of specifying options.
	+ * secondary_ok may be NULL.
	+ * error may be NULL.
	+ */
	+void
	+_mongoc_cursor_flags_to_opts (mongoc_query_flags_t qflags,
	+ bson_t opts, / IN/OUT */
	+ bool secondary_ok / OUT */)
	+{
	+ ENTRY;
	+ BSON_ASSERT (opts);
	+
	+ if (secondary_ok) {
	+ *secondary_ok = !!(qflags & MONGOC_QUERY_SECONDARY_OK);
	+ }
	+
	+ if (qflags & MONGOC_QUERY_TAILABLE_CURSOR) {
	+ bson_append_bool (
	+ opts, MONGOC_CURSOR_TAILABLE, MONGOC_CURSOR_TAILABLE_LEN, true);
	+ }
	+
	+ if (qflags & MONGOC_QUERY_OPLOG_REPLAY) {
	+ bson_append_bool (opts,
	+ MONGOC_CURSOR_OPLOG_REPLAY,
	+ MONGOC_CURSOR_OPLOG_REPLAY_LEN,
	+ true);
	+ }
	+
	+ if (qflags & MONGOC_QUERY_NO_CURSOR_TIMEOUT) {
	+ bson_append_bool (opts,
	+ MONGOC_CURSOR_NO_CURSOR_TIMEOUT,
	+ MONGOC_CURSOR_NO_CURSOR_TIMEOUT_LEN,
	+ true);
	+ }
	+
	+ if (qflags & MONGOC_QUERY_AWAIT_DATA) {
	+ bson_append_bool (
	+ opts, MONGOC_CURSOR_AWAIT_DATA, MONGOC_CURSOR_AWAIT_DATA_LEN, true);
	+ }
	+
	+ if (qflags & MONGOC_QUERY_EXHAUST) {
	+ bson_append_bool (
	+ opts, MONGOC_CURSOR_EXHAUST, MONGOC_CURSOR_EXHAUST_LEN, true);
	+ }
	+
	+ if (qflags & MONGOC_QUERY_PARTIAL) {
	+ bson_append_bool (opts,
	+ MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS,
	+ MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS_LEN,
	+ true);
	+ }
	+}
	+
	+/* Checks if the passed query was wrapped in a $query, and if so, parses the
	+ * query modifiers:
	+ * https://docs.mongodb.com/manual/reference/operator/query-modifier/
	+ * and translates them to find command options:
	+ * https://docs.mongodb.com/manual/reference/command/find/
	+ * opts must be initialized, and may already have options set.
	+ * unwrapped must be uninitialized, and will be initialized at return.
	+ * Returns true if query was unwrapped. */
	+bool
	+_mongoc_cursor_translate_dollar_query_opts (const bson_t *query,
	+ bson_t *opts,
	+ bson_t *unwrapped,
	+ bson_error_t *error)
	+{
	+ bool has_filter = false;
	+ const char *key;
	+ bson_iter_t iter;
	+ const char *opt_key;
	+ int len;
	+ uint32_t data_len;
	+ const uint8_t *data;
	+ bson_error_t error_local = {0};
	+
	+ ENTRY;
	+ BSON_ASSERT (query);
	+ BSON_ASSERT (opts);
	+ /* If the query is explicitly specified wrapped in $query, unwrap it and
	+ * translate the options to new options. */
	+ if (bson_has_field (query, "$query")) {
	+ /* like "{$query: {a: 1}, $orderby: {b: 1}, $otherModifier: true}" */
	+ if (!bson_iter_init (&iter, query)) {
	+ bson_set_error (&error_local,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Invalid BSON in query document");
	+ GOTO (done);
	+ }
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+ if (key[0] != '$') {
	+ bson_set_error (&error_local,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot mix $query with non-dollar field '%s'",
	+ key);
	+ GOTO (done);
	+ }
	+ if (!strcmp (key, "$query")) {
	+ /* set "filter" to the incoming document's "$query" */
	+ bson_iter_document (&iter, &data_len, &data);
	+ if (!bson_init_static (unwrapped, data, (size_t) data_len)) {
	+ bson_set_error (&error_local,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Invalid BSON in $query subdocument");
	+ GOTO (done);
	+ }
	+ has_filter = true;
	+ } else if (_translate_query_opt (key, &opt_key, &len)) {
	+ /* "$orderby" becomes "sort", etc., "$unknown" -> "unknown" */
	+ if (!bson_append_iter (opts, opt_key, len, &iter)) {
	+ bson_set_error (&error_local,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Error adding \"%s\" to query",
	+ opt_key);
	+ }
	+ } else {
	+ /* strip leading "$" */
	+ if (!bson_append_iter (opts, key + 1, -1, &iter)) {
	+ bson_set_error (&error_local,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Error adding \"%s\" to query",
	+ key);
	+ }
	+ }
	+ }
	+ }
	+done:
	+ if (error) {
	+ memcpy (error, &error_local, sizeof (bson_error_t));
	+ }
	+ if (!has_filter) {
	+ bson_init (unwrapped);
	+ }
	+ RETURN (has_filter);
	+}
	+
	+
	+void
	+mongoc_cursor_destroy (mongoc_cursor_t *cursor)
	+{
	+ char *db;
	+ ENTRY;
	+
	+ if (!cursor) {
	+ EXIT;
	+ }
	+
	+ if (cursor->impl.destroy) {
	+ cursor->impl.destroy (&cursor->impl);
	+ }
	+
	+ /* Always close the socket for an exhaust cursor, even if the client was
	+ * reset with mongoc_client_reset. That prevents further use of that socket.
	+ */
	+ if (cursor->in_exhaust) {
	+ cursor->client->in_exhaust = false;
	+ if (cursor->state != DONE) {
	+ /* The only way to stop an exhaust cursor is to kill the connection
	+ */
	+ mongoc_cluster_disconnect_node (&cursor->client->cluster,
	+ cursor->server_id);
	+ }
	+ } else if (cursor->client_generation == cursor->client->generation) {
	+ if (cursor->cursor_id) {
	+ db = bson_strndup (cursor->ns, cursor->dblen);
	+
	+ _mongoc_client_kill_cursor (cursor->client,
	+ cursor->server_id,
	+ cursor->cursor_id,
	+ cursor->operation_id,
	+ db,
	+ cursor->ns + cursor->dblen + 1,
	+ cursor->client_session);
	+ bson_free (db);
	+ }
	+ }
	+
	+ if (cursor->client_session && !cursor->explicit_session) {
	+ mongoc_client_session_destroy (cursor->client_session);
	+ }
	+
	+ mongoc_read_prefs_destroy (cursor->read_prefs);
	+ mongoc_read_concern_destroy (cursor->read_concern);
	+ mongoc_write_concern_destroy (cursor->write_concern);
	+
	+ bson_destroy (&cursor->opts);
	+ bson_destroy (&cursor->error_doc);
	+ bson_free (cursor->ns);
	+ bson_free (cursor);
	+
	+ mongoc_counter_cursors_active_dec ();
	+ mongoc_counter_cursors_disposed_inc ();
	+
	+ EXIT;
	+}
	+
	+
	+mongoc_server_stream_t *
	+_mongoc_cursor_fetch_stream (mongoc_cursor_t *cursor)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ bson_t reply;
	+
	+ ENTRY;
	+
	+ if (cursor->server_id) {
	+ /* We already did server selection once before. Reuse the prior
	+ * selection to create a new stream on the same server. */
	+ server_stream =
	+ mongoc_cluster_stream_for_server (&cursor->client->cluster,
	+ cursor->server_id,
	+ true /* reconnect_ok */,
	+ cursor->client_session,
	+ &reply,
	+ &cursor->error);
	+ if (server_stream) {
	+ /* Also restore whether primary read preference was forced by server
	+ * selection */
	+ server_stream->must_use_primary = cursor->must_use_primary;
	+ }
	+ } else {
	+ server_stream =
	+ mongoc_cluster_stream_for_reads (&cursor->client->cluster,
	+ cursor->read_prefs,
	+ cursor->client_session,
	+ &reply,
	+ cursor->is_aggr_with_write_stage,
	+ &cursor->error);
	+
	+ if (server_stream) {
	+ /* Remember the selected server_id and whether primary read mode was
	+ * forced so that we can re-create an equivalent server_stream at a
	+ * later time */
	+ cursor->server_id = server_stream->sd->id;
	+ cursor->must_use_primary = server_stream->must_use_primary;
	+ }
	+ }
	+
	+ if (!server_stream) {
	+ bson_destroy (&cursor->error_doc);
	+ bson_copy_to (&reply, &cursor->error_doc);
	+ bson_destroy (&reply);
	+ }
	+
	+ RETURN (server_stream);
	+}
	+
	+
	+bool
	+_mongoc_cursor_monitor_command (mongoc_cursor_t *cursor,
	+ mongoc_server_stream_t *server_stream,
	+ const bson_t *cmd,
	+ const char *cmd_name)
	+{
	+ mongoc_client_t *client;
	+ mongoc_apm_command_started_t event;
	+ char *db;
	+
	+ ENTRY;
	+
	+ client = cursor->client;
	+ if (!client->apm_callbacks.started) {
	+ /* successful */
	+ RETURN (true);
	+ }
	+
	+ db = bson_strndup (cursor->ns, cursor->dblen);
	+
	+ mongoc_apm_command_started_init (&event,
	+ cmd,
	+ db,
	+ cmd_name,
	+ client->cluster.request_id,
	+ cursor->operation_id,
	+ &server_stream->sd->host,
	+ server_stream->sd->id,
	+ &server_stream->sd->service_id,
	+ NULL,
	+ client->apm_context);
	+
	+ client->apm_callbacks.started (&event);
	+ mongoc_apm_command_started_cleanup (&event);
	+ bson_free (db);
	+
	+ RETURN (true);
	+}
	+
	+
	+/* append array of docs from current cursor batch */
	+static void
	+_mongoc_cursor_append_docs_array (mongoc_cursor_t *cursor,
	+ bson_t *docs,
	+ mongoc_cursor_response_legacy_t *response)
	+{
	+ bool eof = false;
	+ char str[16];
	+ const char *key;
	+ uint32_t i = 0;
	+ size_t keylen;
	+ const bson_t *doc;
	+
	+ while ((doc = bson_reader_read (response->reader, &eof))) {
	+ keylen = bson_uint32_to_string (i, &key, str, sizeof str);
	+ bson_append_document (docs, key, (int) keylen, doc);
	+ }
	+
	+ bson_reader_reset (response->reader);
	+}
	+
	+
	+void
	+_mongoc_cursor_monitor_succeeded (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_legacy_t *response,
	+ int64_t duration,
	+ bool first_batch,
	+ mongoc_server_stream_t *stream,
	+ const char *cmd_name)
	+{
	+ bson_t docs_array;
	+ mongoc_apm_command_succeeded_t event;
	+ mongoc_client_t *client;
	+ bson_t reply;
	+ bson_t reply_cursor;
	+
	+ ENTRY;
	+
	+ client = cursor->client;
	+
	+ if (!client->apm_callbacks.succeeded) {
	+ EXIT;
	+ }
	+
	+ /* we sent OP_QUERY/OP_GETMORE, fake a reply to find/getMore command:
	+ * {ok: 1, cursor: {id: 17, ns: "...", first/nextBatch: [ ... docs ... ]}}
	+ */
	+ bson_init (&docs_array);
	+ _mongoc_cursor_append_docs_array (cursor, &docs_array, response);
	+
	+ bson_init (&reply);
	+ bson_append_int32 (&reply, "ok", 2, 1);
	+ bson_append_document_begin (&reply, "cursor", 6, &reply_cursor);
	+ bson_append_int64 (&reply_cursor, "id", 2, mongoc_cursor_get_id (cursor));
	+ bson_append_utf8 (&reply_cursor, "ns", 2, cursor->ns, cursor->nslen);
	+ bson_append_array (&reply_cursor,
	+ first_batch ? "firstBatch" : "nextBatch",
	+ first_batch ? 10 : 9,
	+ &docs_array);
	+ bson_append_document_end (&reply, &reply_cursor);
	+ bson_destroy (&docs_array);
	+
	+ mongoc_apm_command_succeeded_init (&event,
	+ duration,
	+ &reply,
	+ cmd_name,
	+ client->cluster.request_id,
	+ cursor->operation_id,
	+ &stream->sd->host,
	+ stream->sd->id,
	+ &stream->sd->service_id,
	+ false,
	+ client->apm_context);
	+
	+ client->apm_callbacks.succeeded (&event);
	+
	+ mongoc_apm_command_succeeded_cleanup (&event);
	+ bson_destroy (&reply);
	+
	+ EXIT;
	+}
	+
	+
	+void
	+_mongoc_cursor_monitor_failed (mongoc_cursor_t *cursor,
	+ int64_t duration,
	+ mongoc_server_stream_t *stream,
	+ const char *cmd_name)
	+{
	+ mongoc_apm_command_failed_t event;
	+ mongoc_client_t *client;
	+ bson_t reply;
	+
	+ ENTRY;
	+
	+ client = cursor->client;
	+
	+ if (!client->apm_callbacks.failed) {
	+ EXIT;
	+ }
	+
	+ /* we sent OP_QUERY/OP_GETMORE, fake a reply to find/getMore command:
	+ * {ok: 0}
	+ */
	+ bson_init (&reply);
	+ bson_append_int32 (&reply, "ok", 2, 0);
	+
	+ mongoc_apm_command_failed_init (&event,
	+ duration,
	+ cmd_name,
	+ &cursor->error,
	+ &reply,
	+ client->cluster.request_id,
	+ cursor->operation_id,
	+ &stream->sd->host,
	+ stream->sd->id,
	+ &stream->sd->service_id,
	+ false,
	+ client->apm_context);
	+
	+ client->apm_callbacks.failed (&event);
	+
	+ mongoc_apm_command_failed_cleanup (&event);
	+ bson_destroy (&reply);
	+
	+ EXIT;
	+}
	+
	+
	+#define ADD_FLAG(_flags, _value) \
	+ do { \
	+ if (!BSON_ITER_HOLDS_BOOL (&iter)) { \
	+ bson_set_error (&cursor->error, \
	+ MONGOC_ERROR_COMMAND, \
	+ MONGOC_ERROR_COMMAND_INVALID_ARG, \
	+ "invalid option %s, should be type bool", \
	+ key); \
	+ return false; \
	+ } \
	+ if (bson_iter_as_bool (&iter)) { \
	+ *_flags \|= _value; \
	+ } \
	+ } while (false);
	+
	+bool
	+_mongoc_cursor_opts_to_flags (mongoc_cursor_t *cursor,
	+ mongoc_server_stream_t *stream,
	+ mongoc_query_flags_t flags / OUT */)
	+{
	+ bson_iter_t iter;
	+ const char *key;
	+
	+ *flags = MONGOC_QUERY_NONE;
	+
	+ if (!bson_iter_init (&iter, &cursor->opts)) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Invalid 'opts' parameter.");
	+ return false;
	+ }
	+
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+
	+ if (!strcmp (key, MONGOC_CURSOR_ALLOW_PARTIAL_RESULTS)) {
	+ ADD_FLAG (flags, MONGOC_QUERY_PARTIAL);
	+ } else if (!strcmp (key, MONGOC_CURSOR_AWAIT_DATA)) {
	+ ADD_FLAG (flags, MONGOC_QUERY_AWAIT_DATA);
	+ } else if (!strcmp (key, MONGOC_CURSOR_EXHAUST)) {
	+ ADD_FLAG (flags, MONGOC_QUERY_EXHAUST);
	+ } else if (!strcmp (key, MONGOC_CURSOR_NO_CURSOR_TIMEOUT)) {
	+ ADD_FLAG (flags, MONGOC_QUERY_NO_CURSOR_TIMEOUT);
	+ } else if (!strcmp (key, MONGOC_CURSOR_OPLOG_REPLAY)) {
	+ ADD_FLAG (flags, MONGOC_QUERY_OPLOG_REPLAY);
	+ } else if (!strcmp (key, MONGOC_CURSOR_TAILABLE)) {
	+ ADD_FLAG (flags, MONGOC_QUERY_TAILABLE_CURSOR);
	+ }
	+ }
	+
	+ if (cursor->secondary_ok) {
	+ *flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ } else if (cursor->server_id &&
	+ (stream->topology_type == MONGOC_TOPOLOGY_RS_WITH_PRIMARY \|\|
	+ stream->topology_type == MONGOC_TOPOLOGY_RS_NO_PRIMARY) &&
	+ stream->sd->type != MONGOC_SERVER_RS_PRIMARY) {
	+ *flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+_mongoc_cursor_run_command (mongoc_cursor_t *cursor,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ bson_t *reply,
	+ bool retry_prohibited)
	+{
	+ mongoc_server_stream_t *server_stream;
	+ bson_iter_t iter;
	+ mongoc_cmd_parts_t parts;
	+ const char *cmd_name;
	+ bool is_primary;
	+ mongoc_read_prefs_t *prefs = NULL;
	+ char *db = NULL;
	+ mongoc_session_opt_t *session_opts;
	+ bool ret = false;
	+ bool is_retryable = true;
	+
	+ ENTRY;
	+
	+ mongoc_cmd_parts_init (
	+ &parts, cursor->client, db, MONGOC_QUERY_NONE, command);
	+ parts.is_read_command = true;
	+ parts.read_prefs = cursor->read_prefs;
	+ parts.assembled.operation_id = cursor->operation_id;
	+ server_stream = _mongoc_cursor_fetch_stream (cursor);
	+
	+ if (!server_stream) {
	+ _mongoc_bson_init_if_set (reply);
	+ GOTO (done);
	+ }
	+
	+ if (opts) {
	+ if (!bson_iter_init (&iter, opts)) {
	+ _mongoc_bson_init_if_set (reply);
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "Invalid BSON in opts document");
	+ GOTO (done);
	+ }
	+ if (!mongoc_cmd_parts_append_opts (&parts,
	+ &iter,
	+ server_stream->sd->max_wire_version,
	+ &cursor->error)) {
	+ _mongoc_bson_init_if_set (reply);
	+ GOTO (done);
	+ }
	+ if (_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST)) {
	+ MONGOC_WARNING (
	+ "exhaust cursors not supported with OP_MSG, using normal "
	+ "cursor instead");
	+ }
	+ }
	+
	+ if (parts.assembled.session) {
	+ /* initial query/aggregate/etc, and opts contains "sessionId" */
	+ BSON_ASSERT (!cursor->client_session);
	+ BSON_ASSERT (!cursor->explicit_session);
	+ cursor->client_session = parts.assembled.session;
	+ cursor->explicit_session = true;
	+ } else if (cursor->client_session) {
	+ /* a getMore with implicit or explicit session already acquired */
	+ mongoc_cmd_parts_set_session (&parts, cursor->client_session);
	+ } else {
	+ /* try to create an implicit session. not causally consistent. we keep
	+ * the session but leave cursor->explicit_session as 0, so we use the
	+ * same lsid for getMores but destroy the session when the cursor dies.
	+ */
	+ session_opts = mongoc_session_opts_new ();
	+ mongoc_session_opts_set_causal_consistency (session_opts, false);
	+ /* returns NULL if sessions aren't supported. ignore errors. */
	+ cursor->client_session =
	+ mongoc_client_start_session (cursor->client, session_opts, NULL);
	+ mongoc_cmd_parts_set_session (&parts, cursor->client_session);
	+ mongoc_session_opts_destroy (session_opts);
	+ }
	+
	+ if (!mongoc_cmd_parts_set_read_concern (&parts,
	+ cursor->read_concern,
	+ server_stream->sd->max_wire_version,
	+ &cursor->error)) {
	+ _mongoc_bson_init_if_set (reply);
	+ GOTO (done);
	+ }
	+
	+ db = bson_strndup (cursor->ns, cursor->dblen);
	+ parts.assembled.db_name = db;
	+
	+ if (!_mongoc_cursor_opts_to_flags (
	+ cursor, server_stream, &parts.user_query_flags)) {
	+ _mongoc_bson_init_if_set (reply);
	+ GOTO (done);
	+ }
	+
	+ /* Exhaust cursors with OP_MSG not yet supported; fallback to normal cursor.
	+ * user_query_flags is unused in OP_MSG, so this technically has no effect,
	+ * but is done anyways to ensure the query flags match handling of options.
	+ */
	+ if (parts.user_query_flags & MONGOC_QUERY_EXHAUST) {
	+ parts.user_query_flags ^= MONGOC_QUERY_EXHAUST;
	+ }
	+
	+ /* we might use mongoc_cursor_set_hint to target a secondary but have no
	+ * read preference, so the secondary rejects the read. same if we have a
	+ * direct connection to a secondary (topology type "single"). with
	+ * OP_QUERY we handle this by setting secondaryOk. here we use
	+ * $readPreference.
	+ */
	+ cmd_name = _mongoc_get_command_name (command);
	+ is_primary =
	+ !cursor->read_prefs \|\| cursor->read_prefs->mode == MONGOC_READ_PRIMARY;
	+
	+ if (strcmp (cmd_name, "getMore") != 0 &&
	+ server_stream->sd->max_wire_version >= WIRE_VERSION_OP_MSG &&
	+ is_primary && parts.user_query_flags & MONGOC_QUERY_SECONDARY_OK) {
	+ parts.read_prefs = prefs =
	+ mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
	+ } else {
	+ parts.read_prefs = cursor->read_prefs;
	+ }
	+
	+ is_retryable = _is_retryable_read (&parts, server_stream);
	+ if (!strcmp (cmd_name, "getMore")) {
	+ is_retryable = false;
	+ }
	+ if (!strcmp (cmd_name, "aggregate")) {
	+ bson_iter_t pipeline_iter;
	+ if (bson_iter_init_find (&pipeline_iter, command, "pipeline") &&
	+ BSON_ITER_HOLDS_ARRAY (&pipeline_iter) &&
	+ bson_iter_recurse (&pipeline_iter, &pipeline_iter)) {
	+ if (_has_write_key (&pipeline_iter)) {
	+ is_retryable = false;
	+ }
	+ }
	+ }
	+ if (is_retryable && retry_prohibited) {
	+ is_retryable = false;
	+ }
	+
	+ if (cursor->write_concern &&
	+ !mongoc_write_concern_is_default (cursor->write_concern) &&
	+ server_stream->sd->max_wire_version >= WIRE_VERSION_CMD_WRITE_CONCERN) {
	+ parts.assembled.is_acknowledged =
	+ mongoc_write_concern_is_acknowledged (cursor->write_concern);
	+ mongoc_write_concern_append (cursor->write_concern, &parts.extra);
	+ }
	+
	+ if (!mongoc_cmd_parts_assemble (&parts, server_stream, &cursor->error)) {
	+ _mongoc_bson_init_if_set (reply);
	+ GOTO (done);
	+ }
	+
	+retry:
	+ ret = mongoc_cluster_run_command_monitored (
	+ &cursor->client->cluster, &parts.assembled, reply, &cursor->error);
	+
	+ if (ret) {
	+ memset (&cursor->error, 0, sizeof (bson_error_t));
	+ }
	+
	+ if (is_retryable &&
	+ _mongoc_read_error_get_type (ret, &cursor->error, reply) ==
	+ MONGOC_READ_ERR_RETRY) {
	+ is_retryable = false;
	+
	+ mongoc_server_stream_cleanup (server_stream);
	+
	+ BSON_ASSERT (!cursor->is_aggr_with_write_stage &&
	+ "Cannot attempt a retry on an aggregate operation that "
	+ "contains write stages");
	+ server_stream =
	+ mongoc_cluster_stream_for_reads (&cursor->client->cluster,
	+ cursor->read_prefs,
	+ cursor->client_session,
	+ reply,
	+ /* Not aggregate-with-write */ false,
	+ &cursor->error);
	+
	+ if (server_stream &&
	+ server_stream->sd->max_wire_version >= WIRE_VERSION_RETRY_READS) {
	+ cursor->server_id = server_stream->sd->id;
	+ parts.assembled.server_stream = server_stream;
	+ bson_destroy (reply);
	+ GOTO (retry);
	+ }
	+ }
	+
	+ if (cursor->error.domain) {
	+ bson_destroy (&cursor->error_doc);
	+ bson_copy_to (reply, &cursor->error_doc);
	+ }
	+
	+ /* Read and Write Concern Spec: "Drivers SHOULD parse server replies for a
	+ * "writeConcernError" field and report the error only in command-specific
	+ * helper methods that take a separate write concern parameter or an options
	+ * parameter that may contain a write concern option.
	+ *
	+ * Only command helpers with names like "_with_write_concern" can create
	+ * cursors with a non-NULL write_concern field.
	+ */
	+ if (ret && cursor->write_concern) {
	+ ret = !_mongoc_parse_wc_err (reply, &cursor->error);
	+ }
	+
	+done:
	+ mongoc_server_stream_cleanup (server_stream);
	+ mongoc_cmd_parts_cleanup (&parts);
	+ mongoc_read_prefs_destroy (prefs);
	+ bson_free (db);
	+
	+ return ret;
	+}
	+
	+
	+void
	+_mongoc_cursor_collection (const mongoc_cursor_t *cursor,
	+ const char **collection,
	+ int *collection_len)
	+{
	+ /* ns is like "db.collection". Collection name is located past the ".". */
	+ *collection = cursor->ns + (cursor->dblen + 1);
	+ /* Collection name's length is ns length, minus length of db name and ".". */
	+ *collection_len = cursor->nslen - cursor->dblen - 1;
	+
	+ BSON_ASSERT (*collection_len > 0);
	+}
	+
	+
	+void
	+_mongoc_cursor_prepare_find_command (mongoc_cursor_t *cursor,
	+ const bson_t *filter,
	+ bson_t *command)
	+{
	+ const char *collection;
	+ int collection_len;
	+
	+ _mongoc_cursor_collection (cursor, &collection, &collection_len);
	+ bson_append_utf8 (command,
	+ MONGOC_CURSOR_FIND,
	+ MONGOC_CURSOR_FIND_LEN,
	+ collection,
	+ collection_len);
	+ bson_append_document (
	+ command, MONGOC_CURSOR_FILTER, MONGOC_CURSOR_FILTER_LEN, filter);
	+}
	+
	+
	+bool
	+mongoc_cursor_error (mongoc_cursor_t cursor, bson_error_t error)
	+{
	+ ENTRY;
	+
	+ RETURN (mongoc_cursor_error_document (cursor, error, NULL));
	+}
	+
	+
	+bool
	+mongoc_cursor_error_document (mongoc_cursor_t *cursor,
	+ bson_error_t *error,
	+ const bson_t **doc)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (cursor);
	+
	+ if (BSON_UNLIKELY (CURSOR_FAILED (cursor))) {
	+ bson_set_error (error,
	+ cursor->error.domain,
	+ cursor->error.code,
	+ "%s",
	+ cursor->error.message);
	+
	+ if (doc) {
	+ *doc = &cursor->error_doc;
	+ }
	+
	+ RETURN (true);
	+ }
	+
	+ if (doc) {
	+ *doc = NULL;
	+ }
	+
	+ RETURN (false);
	+}
	+
	+
	+static mongoc_cursor_state_t
	+_call_transition (mongoc_cursor_t *cursor)
	+{
	+ mongoc_cursor_state_t state = cursor->state;
	+ _mongoc_cursor_impl_transition_t fn = NULL;
	+ switch (state) {
	+ case UNPRIMED:
	+ fn = cursor->impl.prime;
	+ break;
	+ case IN_BATCH:
	+ fn = cursor->impl.pop_from_batch;
	+ break;
	+ case END_OF_BATCH:
	+ fn = cursor->impl.get_next_batch;
	+ break;
	+ case DONE:
	+ default:
	+ fn = NULL;
	+ break;
	+ }
	+ if (!fn) {
	+ return DONE;
	+ }
	+ state = fn (cursor);
	+ if (cursor->error.domain) {
	+ state = DONE;
	+ }
	+ return state;
	+}
	+
	+
	+bool
	+mongoc_cursor_next (mongoc_cursor_t cursor, const bson_t *bson)
	+{
	+ bool ret = false;
	+ bool attempted_refresh = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (cursor);
	+ BSON_ASSERT (bson);
	+
	+ TRACE ("cursor_id(%" PRId64 ")", cursor->cursor_id);
	+
	+ if (cursor->client_generation != cursor->client->generation) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot advance cursor after client reset");
	+ RETURN (false);
	+ }
	+
	+ if (bson) {
	+ *bson = NULL;
	+ }
	+
	+ if (CURSOR_FAILED (cursor)) {
	+ RETURN (false);
	+ }
	+
	+ if (cursor->state == DONE) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CURSOR,
	+ MONGOC_ERROR_CURSOR_INVALID_CURSOR,
	+ "Cannot advance a completed or failed cursor.");
	+ RETURN (false);
	+ }
	+
	+ /*
	+ * We cannot proceed if another cursor is receiving results in exhaust mode.
	+ */
	+ if (cursor->client->in_exhaust && !cursor->in_exhaust) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_IN_EXHAUST,
	+ "Another cursor derived from this client is in exhaust.");
	+ RETURN (false);
	+ }
	+
	+ cursor->current = NULL;
	+
	+ /* if an error was set on this cursor before calling next, transition to DONE
	+ * immediately. */
	+ if (cursor->error.domain) {
	+ cursor->state = DONE;
	+ GOTO (done);
	+ }
	+
	+ while (cursor->state != DONE) {
	+ /* even when there is no data to return, some cursors remain open and
	+ * continue sending empty batches (e.g. a tailable or change stream
	+ * cursor). in that case, do not attempt to get another batch. */
	+ if (cursor->state == END_OF_BATCH) {
	+ if (attempted_refresh) {
	+ RETURN (false);
	+ }
	+ attempted_refresh = true;
	+ }
	+
	+ cursor->state = _call_transition (cursor);
	+
	+ /* check if we received a document. */
	+ if (cursor->current) {
	+ *bson = cursor->current;
	+ ret = true;
	+ GOTO (done);
	+ }
	+
	+ if (cursor->state == DONE) {
	+ GOTO (done);
	+ }
	+ }
	+
	+done:
	+ cursor->count++;
	+ RETURN (ret);
	+}
	+
	+
	+bool
	+mongoc_cursor_more (mongoc_cursor_t *cursor)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (cursor);
	+
	+ if (CURSOR_FAILED (cursor)) {
	+ RETURN (false);
	+ }
	+
	+ RETURN (cursor->state != DONE);
	+}
	+
	+
	+void
	+mongoc_cursor_get_host (mongoc_cursor_t cursor, mongoc_host_list_t host)
	+{
	+ mongoc_server_description_t const *description;
	+ mc_shared_tpld td;
	+
	+ BSON_ASSERT (cursor);
	+ BSON_ASSERT (host);
	+
	+ memset (host, 0, sizeof *host);
	+
	+ if (!cursor->server_id) {
	+ MONGOC_WARNING ("%s(): Must send query before fetching peer.", BSON_FUNC);
	+ return;
	+ }
	+
	+ td = mc_tpld_take_ref (cursor->client->topology);
	+ description = mongoc_topology_description_server_by_id_const (
	+ td.ptr, cursor->server_id, &cursor->error);
	+ mc_tpld_drop_ref (&td);
	+ if (!description) {
	+ return;
	+ }
	+
	+ *host = description->host;
	+
	+ EXIT;
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_cursor_clone (const mongoc_cursor_t *cursor)
	+{
	+ mongoc_cursor_t *_clone;
	+
	+ BSON_ASSERT (cursor);
	+
	+ _clone = (mongoc_cursor_t ) bson_malloc0 (sizeof _clone);
	+
	+ _clone->client = cursor->client;
	+ _clone->nslen = cursor->nslen;
	+ _clone->dblen = cursor->dblen;
	+ _clone->explicit_session = cursor->explicit_session;
	+
	+ if (cursor->read_prefs) {
	+ _clone->read_prefs = mongoc_read_prefs_copy (cursor->read_prefs);
	+ }
	+
	+ if (cursor->read_concern) {
	+ _clone->read_concern = mongoc_read_concern_copy (cursor->read_concern);
	+ }
	+
	+ if (cursor->write_concern) {
	+ _clone->write_concern = mongoc_write_concern_copy (cursor->write_concern);
	+ }
	+
	+ if (cursor->explicit_session) {
	+ _clone->client_session = cursor->client_session;
	+ }
	+
	+ bson_copy_to (&cursor->opts, &_clone->opts);
	+ bson_init (&_clone->error_doc);
	+
	+ _clone->ns = bson_strdup (cursor->ns);
	+
	+ /* copy the context functions by default. */
	+ memcpy (&_clone->impl, &cursor->impl, sizeof (cursor->impl));
	+ if (cursor->impl.clone) {
	+ cursor->impl.clone (&_clone->impl, &cursor->impl);
	+ }
	+
	+ mongoc_counter_cursors_active_inc ();
	+
	+ RETURN (_clone);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_cursor_is_alive --
	+ *
	+ * Deprecated for mongoc_cursor_more.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_cursor_is_alive (const mongoc_cursor_t cursor) / IN */
	+{
	+ return mongoc_cursor_more ((mongoc_cursor_t *) cursor);
	+}
	+
	+
	+const bson_t *
	+mongoc_cursor_current (const mongoc_cursor_t cursor) / IN */
	+{
	+ BSON_ASSERT (cursor);
	+
	+ return cursor->current;
	+}
	+
	+
	+void
	+mongoc_cursor_set_batch_size (mongoc_cursor_t *cursor, uint32_t batch_size)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ _mongoc_cursor_set_opt_int64 (
	+ cursor, MONGOC_CURSOR_BATCH_SIZE, (int64_t) batch_size);
	+}
	+
	+
	+uint32_t
	+mongoc_cursor_get_batch_size (const mongoc_cursor_t *cursor)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ return (uint32_t) _mongoc_cursor_get_opt_int64 (
	+ cursor, MONGOC_CURSOR_BATCH_SIZE, 0);
	+}
	+
	+
	+bool
	+mongoc_cursor_set_limit (mongoc_cursor_t *cursor, int64_t limit)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ if (cursor->state == UNPRIMED) {
	+ if (limit < 0) {
	+ return _mongoc_cursor_set_opt_int64 (
	+ cursor, MONGOC_CURSOR_LIMIT, -limit) &&
	+ _mongoc_cursor_set_opt_bool (
	+ cursor, MONGOC_CURSOR_SINGLE_BATCH, true);
	+ } else {
	+ return _mongoc_cursor_set_opt_int64 (
	+ cursor, MONGOC_CURSOR_LIMIT, limit);
	+ }
	+ } else {
	+ return false;
	+ }
	+}
	+
	+
	+int64_t
	+mongoc_cursor_get_limit (const mongoc_cursor_t *cursor)
	+{
	+ int64_t limit;
	+ bool single_batch;
	+
	+ BSON_ASSERT (cursor);
	+
	+ limit = _mongoc_cursor_get_opt_int64 (cursor, MONGOC_CURSOR_LIMIT, 0);
	+ single_batch =
	+ _mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_SINGLE_BATCH);
	+
	+ if (limit > 0 && single_batch) {
	+ limit = -limit;
	+ }
	+
	+ return limit;
	+}
	+
	+
	+bool
	+mongoc_cursor_set_hint (mongoc_cursor_t *cursor, uint32_t server_id)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ if (cursor->server_id) {
	+ MONGOC_ERROR ("mongoc_cursor_set_hint: server_id already set");
	+ return false;
	+ }
	+
	+ if (!server_id) {
	+ MONGOC_ERROR ("mongoc_cursor_set_hint: cannot set server_id to 0");
	+ return false;
	+ }
	+
	+ cursor->server_id = server_id;
	+
	+ return true;
	+}
	+
	+
	+uint32_t
	+mongoc_cursor_get_hint (const mongoc_cursor_t *cursor)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ return cursor->server_id;
	+}
	+
	+
	+int64_t
	+mongoc_cursor_get_id (const mongoc_cursor_t *cursor)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ return cursor->cursor_id;
	+}
	+
	+
	+void
	+mongoc_cursor_set_max_await_time_ms (mongoc_cursor_t *cursor,
	+ uint32_t max_await_time_ms)
	+{
	+ BSON_ASSERT (cursor);
	+
	+ if (cursor->state == UNPRIMED) {
	+ _mongoc_cursor_set_opt_int64 (
	+ cursor, MONGOC_CURSOR_MAX_AWAIT_TIME_MS, (int64_t) max_await_time_ms);
	+ }
	+}
	+
	+
	+uint32_t
	+mongoc_cursor_get_max_await_time_ms (const mongoc_cursor_t *cursor)
	+{
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT (cursor);
	+
	+ if (bson_iter_init_find (
	+ &iter, &cursor->opts, MONGOC_CURSOR_MAX_AWAIT_TIME_MS)) {
	+ return (uint32_t) bson_iter_as_int64 (&iter);
	+ }
	+
	+ return 0;
	+}
	+
	+
	+/* deprecated for mongoc_cursor_new_from_command_reply_with_opts */
	+mongoc_cursor_t *
	+mongoc_cursor_new_from_command_reply (mongoc_client_t *client,
	+ bson_t *reply,
	+ uint32_t server_id)
	+{
	+ mongoc_cursor_t *cursor;
	+ bson_t cmd = BSON_INITIALIZER;
	+ bson_t opts = BSON_INITIALIZER;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (reply);
	+ /* options are passed through by adding them to reply. */
	+ bson_copy_to_excluding_noinit (reply,
	+ &opts,
	+ "cursor",
	+ "ok",
	+ "operationTime",
	+ "$clusterTime",
	+ "$gleStats",
	+ NULL);
	+
	+ if (server_id) {
	+ bson_append_int64 (&opts, "serverId", 8, server_id);
	+ }
	+
	+ cursor = _mongoc_cursor_cmd_new_from_reply (client, &cmd, &opts, reply);
	+ bson_destroy (&cmd);
	+ bson_destroy (&opts);
	+
	+ return cursor;
	+}
	+
	+
	+mongoc_cursor_t *
	+mongoc_cursor_new_from_command_reply_with_opts (mongoc_client_t *client,
	+ bson_t *reply,
	+ const bson_t *opts)
	+{
	+ mongoc_cursor_t *cursor;
	+ bson_t cmd = BSON_INITIALIZER;
	+
	+ BSON_ASSERT (client);
	+ BSON_ASSERT (reply);
	+
	+ cursor = _mongoc_cursor_cmd_new_from_reply (client, &cmd, opts, reply);
	+ bson_destroy (&cmd);
	+
	+ return cursor;
	+}
	+
	+
	+bool
	+_mongoc_cursor_start_reading_response (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_t *response)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+ const char *ns;
	+ uint32_t nslen;
	+ bool in_batch = false;
	+
	+ if (bson_iter_init_find (&iter, &response->reply, "cursor") &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter) && bson_iter_recurse (&iter, &child)) {
	+ while (bson_iter_next (&child)) {
	+ if (BSON_ITER_IS_KEY (&child, "id")) {
	+ cursor->cursor_id = bson_iter_as_int64 (&child);
	+ } else if (BSON_ITER_IS_KEY (&child, "ns")) {
	+ ns = bson_iter_utf8 (&child, &nslen);
	+ _mongoc_set_cursor_ns (cursor, ns, nslen);
	+ } else if (BSON_ITER_IS_KEY (&child, "firstBatch") \|\|
	+ BSON_ITER_IS_KEY (&child, "nextBatch")) {
	+ if (BSON_ITER_HOLDS_ARRAY (&child) &&
	+ bson_iter_recurse (&child, &response->batch_iter)) {
	+ in_batch = true;
	+ }
	+ }
	+ }
	+ }
	+
	+ /* Driver Sessions Spec: "When an implicit session is associated with a
	+ * cursor for use with getMore operations, the session MUST be returned to
	+ * the pool immediately following a getMore operation that indicates that the
	+ * cursor has been exhausted." */
	+ if (cursor->cursor_id == 0 && cursor->client_session &&
	+ !cursor->explicit_session) {
	+ mongoc_client_session_destroy (cursor->client_session);
	+ cursor->client_session = NULL;
	+ }
	+
	+ return in_batch;
	+}
	+
	+
	+void
	+_mongoc_cursor_response_read (mongoc_cursor_t *cursor,
	+ mongoc_cursor_response_t *response,
	+ const bson_t **bson)
	+{
	+ const uint8_t *data = NULL;
	+ uint32_t data_len = 0;
	+
	+ ENTRY;
	+
	+ if (bson_iter_next (&response->batch_iter) &&
	+ BSON_ITER_HOLDS_DOCUMENT (&response->batch_iter)) {
	+ bson_iter_document (&response->batch_iter, &data_len, &data);
	+
	+ /* bson_iter_next guarantees valid BSON, so this must succeed */
	+ BSON_ASSERT (bson_init_static (&response->current_doc, data, data_len));
	+ *bson = &response->current_doc;
	+ }
	+}
	+
	+/* sets cursor error if could not get the next batch. */
	+void
	+_mongoc_cursor_response_refresh (mongoc_cursor_t *cursor,
	+ const bson_t *command,
	+ const bson_t *opts,
	+ mongoc_cursor_response_t *response)
	+{
	+ ENTRY;
	+
	+ bson_destroy (&response->reply);
	+
	+ /* server replies to find / aggregate with {cursor: {id: N, firstBatch: []}},
	+ * to getMore command with {cursor: {id: N, nextBatch: []}}. */
	+ if (_mongoc_cursor_run_command (
	+ cursor, command, opts, &response->reply, false) &&
	+ _mongoc_cursor_start_reading_response (cursor, response)) {
	+ return;
	+ }
	+ if (!cursor->error.domain) {
	+ bson_set_error (&cursor->error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Invalid reply to %s command.",
	+ _mongoc_get_command_name (command));
	+ }
	+}
	+
	+void
	+_mongoc_cursor_prepare_getmore_command (mongoc_cursor_t *cursor,
	+ bson_t *command)
	+{
	+ const char *collection;
	+ int collection_len;
	+ int64_t batch_size;
	+ bool await_data;
	+ int64_t max_await_time_ms;
	+
	+ ENTRY;
	+
	+ _mongoc_cursor_collection (cursor, &collection, &collection_len);
	+
	+ bson_init (command);
	+ bson_append_int64 (command, "getMore", 7, mongoc_cursor_get_id (cursor));
	+ bson_append_utf8 (command, "collection", 10, collection, collection_len);
	+
	+ batch_size = mongoc_cursor_get_batch_size (cursor);
	+
	+ /* See find, getMore, and killCursors Spec for batchSize rules */
	+ if (batch_size) {
	+ bson_append_int64 (command,
	+ MONGOC_CURSOR_BATCH_SIZE,
	+ MONGOC_CURSOR_BATCH_SIZE_LEN,
	+ abs (_mongoc_n_return (cursor)));
	+ }
	+
	+ /* Find, getMore And killCursors Commands Spec: "In the case of a tailable
	+ cursor with awaitData == true the driver MUST provide a Cursor level
	+ option named maxAwaitTimeMS (See CRUD specification for details). The
	+ maxTimeMS option on the getMore command MUST be set to the value of the
	+ option maxAwaitTimeMS. If no maxAwaitTimeMS is specified, the driver
	+ SHOULD not set maxTimeMS on the getMore command."
	+ */
	+ await_data = _mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_TAILABLE) &&
	+ _mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_AWAIT_DATA);
	+
	+ if (await_data) {
	+ max_await_time_ms = _mongoc_cursor_get_opt_int64 (
	+ cursor, MONGOC_CURSOR_MAX_AWAIT_TIME_MS, 0);
	+ if (max_await_time_ms) {
	+ bson_append_int64 (command,
	+ MONGOC_CURSOR_MAX_TIME_MS,
	+ MONGOC_CURSOR_MAX_TIME_MS_LEN,
	+ max_await_time_ms);
	+ }
	+ }
	+}
	+
	+/* sets the cursor to be empty so it returns NULL on the first call to
	+ * cursor_next but does not return an error. */
	+void
	+_mongoc_cursor_set_empty (mongoc_cursor_t *cursor)
	+{
	+ memset (&cursor->error, 0, sizeof (bson_error_t));
	+ bson_reinit (&cursor->error_doc);
	+ cursor->state = IN_BATCH;
	+}
	+
	+void
	+_mongoc_cursor_prime (mongoc_cursor_t *cursor)
	+{
	+ cursor->state = cursor->impl.prime (cursor);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cursor.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-cyrus.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-database.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-errno-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-errno-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-errno-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-errno-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-error.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-find-and-modify.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-flags.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-generation-map.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-file.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-bucket.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-list.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-page.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-file.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-gridfs.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-compiler-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-compiler-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-compiler-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-compiler-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-os-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-os-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-os-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-os-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.c
	new file mode 100644
	index 00000000..fc08285c
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.c
	@@ -0,0 +1,712 @@
	+/*
	+ * Copyright 2016-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <bson/bson.h>
	+
	+#ifdef _POSIX_VERSION
	+#include <sys/utsname.h>
	+#endif
	+
	+#ifdef _WIN32
	+#include <windows.h>
	+#endif
	+
	+#include "mongoc-linux-distro-scanner-private.h"
	+#include "mongoc-handshake.h"
	+#include "mongoc-handshake-compiler-private.h"
	+#include "mongoc-handshake-os-private.h"
	+#include "mongoc-handshake-private.h"
	+#include "mongoc-client.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-error.h"
	+#include "mongoc-log.h"
	+#include "mongoc-version.h"
	+#include "mongoc-util-private.h"
	+
	+/*
	+ * Global handshake data instance. Initialized at startup from mongoc_init
	+ *
	+ * Can be modified by calls to mongoc_handshake_data_append
	+ */
	+static mongoc_handshake_t gMongocHandshake;
	+
	+/*
	+ * Used for thread-safety in mongoc_handshake_data_append
	+ */
	+static bson_mutex_t gHandshakeLock;
	+
	+static void
	+_set_bit (uint8_t *bf, uint32_t byte_count, uint32_t bit)
	+{
	+ uint32_t byte = bit / 8;
	+ uint32_t bit_of_byte = (bit) % 8;
	+ /* byte 0 is the last location in bf. */
	+ bf[(byte_count - 1) - byte] \|= 1u << bit_of_byte;
	+}
	+
	+/* returns a hex string for all config flag bits, which must be freed. */
	+char *
	+_mongoc_handshake_get_config_hex_string (void)
	+{
	+ uint32_t byte_count;
	+ uint8_t *bf;
	+ bson_string_t *str;
	+ int i;
	+
	+ byte_count = (LAST_MONGOC_MD_FLAG + 7) / 8; /* ceil (num_bits / 8) */
	+ /* allocate enough bytes to fit all config bits. */
	+ bf = (uint8_t *) bson_malloc0 (byte_count);
	+
	+#ifdef MONGOC_ENABLE_SSL_SECURE_CHANNEL
	+ _set_bit (bf, byte_count, MONGOC_ENABLE_SSL_SECURE_CHANNEL);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO_CNG
	+ _set_bit (bf, byte_count, MONGOC_ENABLE_CRYPTO_CNG);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SSL_SECURE_TRANSPORT
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL_SECURE_TRANSPORT);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO_COMMON_CRYPTO
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO_COMMON_CRYPTO);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SSL_OPENSSL
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL_OPENSSL);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO_LIBCRYPTO
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO_LIBCRYPTO);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CRYPTO_SYSTEM_PROFILE
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CRYPTO_SYSTEM_PROFILE);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SASL
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SASL);
	+#endif
	+
	+#ifdef MONGOC_HAVE_SASL_CLIENT_DONE
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_HAVE_SASL_CLIENT_DONE);
	+#endif
	+
	+#ifdef MONGOC_NO_AUTOMATIC_GLOBALS
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_NO_AUTOMATIC_GLOBALS);
	+#endif
	+
	+#ifdef MONGOC_EXPERIMENTAL_FEATURES
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_EXPERIMENTAL_FEATURES);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SSL_LIBRESSL
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SSL_LIBRESSL);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SASL_CYRUS
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SASL_CYRUS);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SASL_SSPI
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SASL_SSPI);
	+#endif
	+
	+#ifdef MONGOC_HAVE_SOCKLEN
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_HAVE_SOCKLEN);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_COMPRESSION
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_COMPRESSION);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_COMPRESSION_SNAPPY
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_COMPRESSION_SNAPPY);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_COMPRESSION_ZLIB
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_COMPRESSION_ZLIB);
	+#endif
	+
	+#ifdef MONGOC_HAVE_RES_NSEARCH
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_NSEARCH);
	+#endif
	+
	+#ifdef MONGOC_HAVE_RES_NDESTROY
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_NDESTROY);
	+#endif
	+
	+#ifdef MONGOC_HAVE_RES_NCLOSE
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_NCLOSE);
	+#endif
	+
	+#ifdef MONGOC_HAVE_RES_SEARCH
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RES_SEARCH);
	+#endif
	+
	+#ifdef MONGOC_HAVE_DNSAPI
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_DNSAPI);
	+#endif
	+
	+#ifdef MONGOC_HAVE_RDTSCP
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_RDTSCP);
	+#endif
	+
	+#ifdef MONGOC_HAVE_SCHED_GETCPU
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_HAVE_SCHED_GETCPU);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_SHM_COUNTERS
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_SHM_COUNTERS);
	+#endif
	+
	+ if (MONGOC_TRACE_ENABLED) {
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_TRACE);
	+ }
	+
	+#ifdef MONGOC_ENABLE_ICU
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_ICU);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_CLIENT_SIDE_ENCRYPTION);
	+#endif
	+
	+#ifdef MONGOC_ENABLE_MONGODB_AWS_AUTH
	+ _set_bit (bf, byte_count, MONGOC_MD_FLAG_ENABLE_MONGODB_AWS_AUTH);
	+#endif
	+
	+ str = bson_string_new ("0x");
	+ for (i = 0; i < byte_count; i++) {
	+ bson_string_append_printf (str, "%02x", bf[i]);
	+ }
	+ bson_free (bf);
	+ /* free the bson_string_t, but keep the underlying char* alive. */
	+ return bson_string_free (str, false);
	+}
	+
	+static char *
	+_get_os_type (void)
	+{
	+#ifdef MONGOC_OS_TYPE
	+ return bson_strndup (MONGOC_OS_TYPE, HANDSHAKE_OS_TYPE_MAX);
	+#else
	+ return bson_strndup ("unknown", HANDSHAKE_OS_TYPE_MAX);
	+#endif
	+}
	+
	+static char *
	+_get_os_architecture (void)
	+{
	+ const char *ret = NULL;
	+
	+#ifdef _WIN32
	+ SYSTEM_INFO system_info;
	+ DWORD arch;
	+ GetSystemInfo (&system_info);
	+
	+ arch = system_info.wProcessorArchitecture;
	+
	+ switch (arch) {
	+ case PROCESSOR_ARCHITECTURE_AMD64:
	+ ret = "x86_64";
	+ break;
	+ case PROCESSOR_ARCHITECTURE_ARM:
	+ ret = "ARM";
	+ break;
	+ case PROCESSOR_ARCHITECTURE_IA64:
	+ ret = "IA64";
	+ break;
	+ case PROCESSOR_ARCHITECTURE_INTEL:
	+ ret = "x86";
	+ break;
	+ case PROCESSOR_ARCHITECTURE_UNKNOWN:
	+ ret = "Unknown";
	+ break;
	+ default:
	+ ret = "Other";
	+ break;
	+ }
	+
	+#elif defined(_POSIX_VERSION)
	+ struct utsname system_info;
	+
	+ if (uname (&system_info) >= 0) {
	+ ret = system_info.machine;
	+ }
	+
	+#endif
	+
	+ if (ret) {
	+ return bson_strndup (ret, HANDSHAKE_OS_ARCHITECTURE_MAX);
	+ }
	+
	+ return NULL;
	+}
	+
	+#ifndef MONGOC_OS_IS_LINUX
	+static char *
	+_get_os_name (void)
	+{
	+#ifdef MONGOC_OS_NAME
	+ return bson_strndup (MONGOC_OS_NAME, HANDSHAKE_OS_NAME_MAX);
	+#elif defined(_POSIX_VERSION)
	+ struct utsname system_info;
	+
	+ if (uname (&system_info) >= 0) {
	+ return bson_strndup (system_info.sysname, HANDSHAKE_OS_NAME_MAX);
	+ }
	+
	+#endif
	+
	+ return NULL;
	+}
	+
	+static char *
	+_get_os_version (void)
	+{
	+ char *ret = bson_malloc (HANDSHAKE_OS_VERSION_MAX);
	+ bool found = false;
	+
	+#ifdef _WIN32
	+ OSVERSIONINFO osvi;
	+ ZeroMemory (&osvi, sizeof (OSVERSIONINFO));
	+ osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
	+
	+ if (GetVersionEx (&osvi)) {
	+ bson_snprintf (ret,
	+ HANDSHAKE_OS_VERSION_MAX,
	+ "%lu.%lu (%lu)",
	+ osvi.dwMajorVersion,
	+ osvi.dwMinorVersion,
	+ osvi.dwBuildNumber);
	+ found = true;
	+ } else {
	+ MONGOC_WARNING ("Error with GetVersionEx(): %lu", GetLastError ());
	+ }
	+
	+#elif defined(_POSIX_VERSION)
	+ struct utsname system_info;
	+
	+ if (uname (&system_info) >= 0) {
	+ bson_strncpy (ret, system_info.release, HANDSHAKE_OS_VERSION_MAX);
	+ found = true;
	+ } else {
	+ MONGOC_WARNING ("Error with uname(): %d", errno);
	+ }
	+
	+#endif
	+
	+ if (!found) {
	+ bson_free (ret);
	+ ret = NULL;
	+ }
	+
	+ return ret;
	+}
	+#endif
	+
	+static void
	+_get_system_info (mongoc_handshake_t *handshake)
	+{
	+ handshake->os_type = _get_os_type ();
	+
	+#ifdef MONGOC_OS_IS_LINUX
	+ _mongoc_linux_distro_scanner_get_distro (&handshake->os_name,
	+ &handshake->os_version);
	+#else
	+ handshake->os_name = _get_os_name ();
	+ handshake->os_version = _get_os_version ();
	+#endif
	+
	+ handshake->os_architecture = _get_os_architecture ();
	+}
	+
	+static void
	+_free_system_info (mongoc_handshake_t *handshake)
	+{
	+ bson_free (handshake->os_type);
	+ bson_free (handshake->os_name);
	+ bson_free (handshake->os_version);
	+ bson_free (handshake->os_architecture);
	+}
	+
	+static void
	+_get_driver_info (mongoc_handshake_t *handshake)
	+{
	+ handshake->driver_name = bson_strndup ("mongoc", HANDSHAKE_DRIVER_NAME_MAX);
	+ handshake->driver_version =
	+ bson_strndup (MONGOC_VERSION_S, HANDSHAKE_DRIVER_VERSION_MAX);
	+}
	+
	+static void
	+_free_driver_info (mongoc_handshake_t *handshake)
	+{
	+ bson_free (handshake->driver_name);
	+ bson_free (handshake->driver_version);
	+}
	+
	+static void
	+_set_platform_string (mongoc_handshake_t *handshake)
	+{
	+ bson_string_t *str;
	+
	+ str = bson_string_new ("");
	+
	+ handshake->platform = bson_string_free (str, false);
	+}
	+
	+static void
	+_set_compiler_info (mongoc_handshake_t *handshake)
	+{
	+ bson_string_t *str;
	+ char *config_str;
	+
	+ str = bson_string_new ("");
	+
	+ config_str = _mongoc_handshake_get_config_hex_string ();
	+ bson_string_append_printf (str, "cfg=%s", config_str);
	+ bson_free (config_str);
	+
	+#ifdef _POSIX_VERSION
	+ bson_string_append_printf (str, " posix=%ld", _POSIX_VERSION);
	+#endif
	+
	+#ifdef __STDC_VERSION__
	+ bson_string_append_printf (str, " stdc=%ld", __STDC_VERSION__);
	+#endif
	+
	+ bson_string_append_printf (str, " CC=%s", MONGOC_COMPILER);
	+
	+#ifdef MONGOC_COMPILER_VERSION
	+ bson_string_append_printf (str, " %s", MONGOC_COMPILER_VERSION);
	+#endif
	+ handshake->compiler_info = bson_string_free (str, false);
	+}
	+
	+static void
	+_set_flags (mongoc_handshake_t *handshake)
	+{
	+ bson_string_t *str;
	+
	+ str = bson_string_new ("");
	+
	+ if (strlen (MONGOC_EVALUATE_STR (MONGOC_USER_SET_CFLAGS)) > 0) {
	+ bson_string_append_printf (
	+ str, " CFLAGS=%s", MONGOC_EVALUATE_STR (MONGOC_USER_SET_CFLAGS));
	+ }
	+
	+ if (strlen (MONGOC_EVALUATE_STR (MONGOC_USER_SET_LDFLAGS)) > 0) {
	+ bson_string_append_printf (
	+ str, " LDFLAGS=%s", MONGOC_EVALUATE_STR (MONGOC_USER_SET_LDFLAGS));
	+ }
	+
	+ handshake->flags = bson_string_free (str, false);
	+}
	+
	+static void
	+_free_platform_string (mongoc_handshake_t *handshake)
	+{
	+ bson_free (handshake->platform);
	+ bson_free (handshake->compiler_info);
	+ bson_free (handshake->flags);
	+}
	+
	+void
	+_mongoc_handshake_init (void)
	+{
	+ _get_system_info (_mongoc_handshake_get ());
	+ _get_driver_info (_mongoc_handshake_get ());
	+ _set_platform_string (_mongoc_handshake_get ());
	+ _set_compiler_info (_mongoc_handshake_get ());
	+ _set_flags (_mongoc_handshake_get ());
	+
	+ _mongoc_handshake_get ()->frozen = false;
	+ bson_mutex_init (&gHandshakeLock);
	+}
	+
	+void
	+_mongoc_handshake_cleanup (void)
	+{
	+ _free_system_info (_mongoc_handshake_get ());
	+ _free_driver_info (_mongoc_handshake_get ());
	+ _free_platform_string (_mongoc_handshake_get ());
	+
	+ bson_mutex_destroy (&gHandshakeLock);
	+}
	+
	+static void
	+_append_platform_field (bson_t doc, const char platform)
	+{
	+ int max_platform_str_size;
	+
	+ char *compiler_info = _mongoc_handshake_get ()->compiler_info;
	+ char *flags = _mongoc_handshake_get ()->flags;
	+ bson_string_t *combined_platform = bson_string_new (platform);
	+
	+ /* Compute space left for platform field */
	+ max_platform_str_size =
	+ HANDSHAKE_MAX_SIZE - ((int) doc->len +
	+ /* 1 byte for utf8 tag */
	+ 1 +
	+
	+ /* key size */
	+ (int) strlen (HANDSHAKE_PLATFORM_FIELD) + 1 +
	+
	+ /* 4 bytes for length of string */
	+ 4);
	+
	+ if (max_platform_str_size <= 0) {
	+ bson_string_free (combined_platform, true);
	+ return;
	+ }
	+
	+ /* We opt to drop compiler info and flags if they can't fit, while the
	+ * platform information is truncated
	+ * Try to drop flags first, and if there is still not enough space also drop
	+ * compiler info */
	+ if (max_platform_str_size >
	+ combined_platform->len + strlen (compiler_info) + 1) {
	+ bson_string_append (combined_platform, compiler_info);
	+ }
	+ if (max_platform_str_size > combined_platform->len + strlen (flags) + 1) {
	+ bson_string_append (combined_platform, flags);
	+ }
	+
	+ /* We use the flags_index field to check if the CLAGS/LDFLAGS need to be
	+ * truncated, and if so we drop them altogether */
	+ bson_append_utf8 (
	+ doc,
	+ HANDSHAKE_PLATFORM_FIELD,
	+ -1,
	+ combined_platform->str,
	+ BSON_MIN (max_platform_str_size - 1, combined_platform->len));
	+
	+ bson_string_free (combined_platform, true);
	+ BSON_ASSERT (doc->len <= HANDSHAKE_MAX_SIZE);
	+}
	+
	+/*
	+ * Return true if we build the document, and it's not too big
	+ * false if there's no way to prevent the doc from being too big. In this
	+ * case, the caller shouldn't include it with hello
	+ */
	+bool
	+_mongoc_handshake_build_doc_with_application (bson_t doc, const char appname)
	+{
	+ const mongoc_handshake_t *md = _mongoc_handshake_get ();
	+ bson_t child;
	+
	+ if (appname) {
	+ BSON_APPEND_DOCUMENT_BEGIN (doc, "application", &child);
	+ BSON_APPEND_UTF8 (&child, "name", appname);
	+ bson_append_document_end (doc, &child);
	+ }
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (doc, "driver", &child);
	+ BSON_APPEND_UTF8 (&child, "name", md->driver_name);
	+ BSON_APPEND_UTF8 (&child, "version", md->driver_version);
	+ bson_append_document_end (doc, &child);
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (doc, "os", &child);
	+
	+ BSON_ASSERT (md->os_type);
	+ BSON_APPEND_UTF8 (&child, "type", md->os_type);
	+
	+ if (md->os_name) {
	+ BSON_APPEND_UTF8 (&child, "name", md->os_name);
	+ }
	+
	+ if (md->os_version) {
	+ BSON_APPEND_UTF8 (&child, "version", md->os_version);
	+ }
	+
	+ if (md->os_architecture) {
	+ BSON_APPEND_UTF8 (&child, "architecture", md->os_architecture);
	+ }
	+
	+ bson_append_document_end (doc, &child);
	+
	+ if (doc->len > HANDSHAKE_MAX_SIZE) {
	+ /* We've done all we can possibly do to ensure the current
	+ * document is below the maxsize, so if it overflows there is
	+ * nothing else we can do, so we fail */
	+ return false;
	+ }
	+
	+ if (md->platform) {
	+ _append_platform_field (doc, md->platform);
	+ }
	+
	+ return true;
	+}
	+
	+void
	+_mongoc_handshake_freeze (void)
	+{
	+ _mongoc_handshake_get ()->frozen = true;
	+}
	+
	+/*
	+ * free (s) and make s point to *s concated with suffix.
	+ * If *s is NULL it's treated like it's an empty string.
	+ */
	+static void
	+_append_and_truncate (char *s, const char suffix, int max_len)
	+{
	+ char old_str = s;
	+ char *prefix;
	+ const int delim_len = (int) strlen (" / ");
	+ int space_for_suffix;
	+
	+ BSON_ASSERT_PARAM (s);
	+ BSON_ASSERT_PARAM (suffix);
	+
	+ prefix = old_str ? old_str : "";
	+
	+ space_for_suffix = max_len - (int) strlen (prefix) - delim_len;
	+
	+ if (space_for_suffix <= 0) {
	+ /* the old string already takes the whole allotted space */
	+ return;
	+ }
	+
	+ s = bson_strdup_printf ("%s / %.s", prefix, space_for_suffix, suffix);
	+ BSON_ASSERT (strlen (*s) <= max_len);
	+
	+ bson_free (old_str);
	+}
	+
	+
	+/*
	+ * Set some values in our global handshake struct. These values will be sent
	+ * to the server as part of the initial connection handshake (hello).
	+ * If this function is called more than once, or after we've connected to a
	+ * mongod, then it will do nothing and return false. It will return true if it
	+ * successfully sets the values.
	+ *
	+ * All arguments are optional.
	+ */
	+bool
	+mongoc_handshake_data_append (const char *driver_name,
	+ const char *driver_version,
	+ const char *platform)
	+{
	+ int platform_space;
	+
	+ bson_mutex_lock (&gHandshakeLock);
	+
	+ if (_mongoc_handshake_get ()->frozen) {
	+ bson_mutex_unlock (&gHandshakeLock);
	+ return false;
	+ }
	+
	+ BSON_ASSERT (_mongoc_handshake_get ()->platform);
	+
	+ /* allow practically any size for "platform", we'll trim it down in
	+ * _mongoc_handshake_build_doc_with_application */
	+ platform_space =
	+ HANDSHAKE_MAX_SIZE - (int) strlen (_mongoc_handshake_get ()->platform);
	+
	+ if (platform) {
	+ /* we check for an empty string as a special case to avoid an unnecessary
	+ * delimiter being added in front of the string by _append_and_truncate */
	+ if (_mongoc_handshake_get ()->platform[0] == '\0') {
	+ bson_free (_mongoc_handshake_get ()->platform);
	+ _mongoc_handshake_get ()->platform =
	+ bson_strdup_printf ("%.*s", platform_space, platform);
	+ } else {
	+ _append_and_truncate (
	+ &_mongoc_handshake_get ()->platform, platform, HANDSHAKE_MAX_SIZE);
	+ }
	+ }
	+
	+ if (driver_name) {
	+ _append_and_truncate (&_mongoc_handshake_get ()->driver_name,
	+ driver_name,
	+ HANDSHAKE_DRIVER_NAME_MAX);
	+ }
	+
	+ if (driver_version) {
	+ _append_and_truncate (&_mongoc_handshake_get ()->driver_version,
	+ driver_version,
	+ HANDSHAKE_DRIVER_VERSION_MAX);
	+ }
	+
	+ _mongoc_handshake_freeze ();
	+ bson_mutex_unlock (&gHandshakeLock);
	+
	+ return true;
	+}
	+
	+mongoc_handshake_t *
	+_mongoc_handshake_get (void)
	+{
	+ return &gMongocHandshake;
	+}
	+
	+bool
	+_mongoc_handshake_appname_is_valid (const char *appname)
	+{
	+ return strlen (appname) <= MONGOC_HANDSHAKE_APPNAME_MAX;
	+}
	+
	+void
	+_mongoc_handshake_append_sasl_supported_mechs (const mongoc_uri_t *uri,
	+ bson_t *cmd)
	+{
	+ const char *username;
	+ char *db_user;
	+ username = mongoc_uri_get_username (uri);
	+ db_user =
	+ bson_strdup_printf ("%s.%s", mongoc_uri_get_auth_source (uri), username);
	+ bson_append_utf8 (cmd, "saslSupportedMechs", 18, db_user, -1);
	+ bson_free (db_user);
	+}
	+
	+void
	+_mongoc_handshake_parse_sasl_supported_mechs (
	+ const bson_t *hello,
	+ mongoc_handshake_sasl_supported_mechs_t *sasl_supported_mechs)
	+{
	+ bson_iter_t iter;
	+ memset (sasl_supported_mechs, 0, sizeof (*sasl_supported_mechs));
	+ if (bson_iter_init_find (&iter, hello, "saslSupportedMechs")) {
	+ bson_iter_t array_iter;
	+ if (BSON_ITER_HOLDS_ARRAY (&iter) &&
	+ bson_iter_recurse (&iter, &array_iter)) {
	+ while (bson_iter_next (&array_iter)) {
	+ if (BSON_ITER_HOLDS_UTF8 (&array_iter)) {
	+ const char *mechanism_name = bson_iter_utf8 (&array_iter, NULL);
	+ if (0 == strcmp (mechanism_name, "SCRAM-SHA-256")) {
	+ sasl_supported_mechs->scram_sha_256 = true;
	+ } else if (0 == strcmp (mechanism_name, "SCRAM-SHA-1")) {
	+ sasl_supported_mechs->scram_sha_1 = true;
	+ }
	+ }
	+ }
	+ }
	+ }
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-handshake.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list-private.h
	new file mode 100644
	index 00000000..a64cec5d
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list-private.h
	@@ -0,0 +1,77 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_HOST_LIST_PRIVATE_H
	+#define MONGOC_HOST_LIST_PRIVATE_H
	+
	+#include "mongoc-host-list.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+mongoc_host_list_t *
	+_mongoc_host_list_push (const char *host,
	+ uint16_t port,
	+ int family,
	+ mongoc_host_list_t *next);
	+
	+void
	+_mongoc_host_list_upsert (mongoc_host_list_t **list,
	+ const mongoc_host_list_t *new_host);
	+
	+mongoc_host_list_t *
	+_mongoc_host_list_copy_all (const mongoc_host_list_t *src);
	+
	+bool
	+_mongoc_host_list_from_string (mongoc_host_list_t *host_list,
	+ const char *host_and_port);
	+
	+bool
	+_mongoc_host_list_from_string_with_err (mongoc_host_list_t *host_list,
	+ const char *host_and_port,
	+ bson_error_t *error);
	+
	+bool
	+_mongoc_host_list_from_hostport_with_err (mongoc_host_list_t *host_list,
	+ const char *host,
	+ uint16_t port,
	+ bson_error_t *error);
	+
	+int
	+_mongoc_host_list_length (const mongoc_host_list_t *list);
	+
	+bool
	+_mongoc_host_list_compare_one (const mongoc_host_list_t *host_a,
	+ const mongoc_host_list_t *host_b);
	+
	+void
	+_mongoc_host_list_remove_host (mongoc_host_list_t **phosts,
	+ const char *host,
	+ uint16_t port);
	+
	+void
	+_mongoc_host_list_destroy_all (mongoc_host_list_t *host);
	+
	+bool
	+_mongoc_host_list_contains_one (mongoc_host_list_t *host_list,
	+ mongoc_host_list_t *host);
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_HOST_LIST_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.c
	new file mode 100644
	index 00000000..becef5cb
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.c
	@@ -0,0 +1,393 @@
	+/*
	+ * Copyright 2015 MongoDB Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-host-list-private.h"
	+/* strcasecmp on windows */
	+#include "mongoc-util-private.h"
	+#include "utlist.h"
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_host_list_push --
	+ *
	+ * Add a host to the front of the list and return it.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+mongoc_host_list_t *
	+_mongoc_host_list_push (const char *host,
	+ uint16_t port,
	+ int family,
	+ mongoc_host_list_t *next)
	+{
	+ mongoc_host_list_t *h;
	+
	+ BSON_ASSERT (host);
	+
	+ h = bson_malloc0 (sizeof (mongoc_host_list_t));
	+ bson_strncpy (h->host, host, sizeof h->host);
	+ h->port = port;
	+ bson_snprintf (
	+ h->host_and_port, sizeof h->host_and_port, "%s:%hu", host, port);
	+
	+ h->family = family;
	+ h->next = next;
	+
	+ return h;
	+}
	+
	+static mongoc_host_list_t *
	+_mongoc_host_list_find_host_and_port (mongoc_host_list_t *hosts,
	+ const char *host_and_port)
	+{
	+ mongoc_host_list_t *iter;
	+ LL_FOREACH (hosts, iter)
	+ {
	+ BSON_ASSERT (iter);
	+
	+ if (strcasecmp (iter->host_and_port, host_and_port) == 0) {
	+ return iter;
	+ }
	+ }
	+
	+ return NULL;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_host_list_upsert --
	+ *
	+ * If new_host is not already in list, copy and add it to the end of list.
	+ * If *list == NULL, then it will be set to a new host.
	+ *
	+ * Returns:
	+ * Nothing.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_mongoc_host_list_upsert (mongoc_host_list_t **list,
	+ const mongoc_host_list_t *new_host)
	+{
	+ mongoc_host_list_t *link = NULL;
	+ mongoc_host_list_t *next_link = NULL;
	+
	+ BSON_ASSERT (list);
	+ if (!new_host) {
	+ return;
	+ }
	+
	+ link = _mongoc_host_list_find_host_and_port (*list, new_host->host_and_port);
	+
	+ if (!link) {
	+ link = bson_malloc0 (sizeof (mongoc_host_list_t));
	+ LL_APPEND (*list, link);
	+ } else {
	+ /* Make sure linking is preserved when copying data into final. */
	+ next_link = link->next;
	+ }
	+
	+ memcpy (link, new_host, sizeof (mongoc_host_list_t));
	+ link->next = next_link;
	+}
	+
	+
	+/* Duplicates a host list.
	+ */
	+mongoc_host_list_t *
	+_mongoc_host_list_copy_all (const mongoc_host_list_t *src)
	+{
	+ mongoc_host_list_t *tail = NULL;
	+ const mongoc_host_list_t *src_iter;
	+ mongoc_host_list_t *head = NULL;
	+
	+ LL_FOREACH (src, src_iter)
	+ {
	+ tail = bson_malloc0 (sizeof (mongoc_host_list_t));
	+ memcpy (tail, src_iter, sizeof (mongoc_host_list_t));
	+
	+ LL_PREPEND (head, tail);
	+ }
	+
	+ return head;
	+}
	+
	+int
	+_mongoc_host_list_length (const mongoc_host_list_t *list)
	+{
	+ const mongoc_host_list_t *tmp;
	+ int counter = 0;
	+
	+ tmp = list;
	+ while (tmp) {
	+ tmp = tmp->next;
	+ counter++;
	+ }
	+
	+ return counter;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_host_list_compare_one --
	+ *
	+ * Check two hosts have the same domain (case-insensitive), port,
	+ * and address family.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+_mongoc_host_list_compare_one (const mongoc_host_list_t *host_a,
	+ const mongoc_host_list_t *host_b)
	+{
	+ return (0 == strcasecmp (host_a->host_and_port, host_b->host_and_port) &&
	+ host_a->family == host_b->family);
	+}
	+
	+bool
	+_mongoc_host_list_contains_one (mongoc_host_list_t *host_list,
	+ mongoc_host_list_t *host)
	+{
	+ return NULL !=
	+ _mongoc_host_list_find_host_and_port (host_list, host->host_and_port);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_host_list_destroy_all --
	+ *
	+ * Destroy whole linked list of hosts.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_mongoc_host_list_destroy_all (mongoc_host_list_t *host)
	+{
	+ mongoc_host_list_t *tmp;
	+
	+ while (host) {
	+ tmp = host->next;
	+ bson_free (host);
	+ host = tmp;
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_host_list_from_string --
	+ *
	+ * Populate a mongoc_host_list_t from a fully qualified address
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+_mongoc_host_list_from_string (mongoc_host_list_t link_, const char address)
	+{
	+ bson_error_t error = {0};
	+ bool r = _mongoc_host_list_from_string_with_err (link_, address, &error);
	+ if (!r) {
	+ MONGOC_ERROR ("Could not parse address %s: %s", address, error.message);
	+ return false;
	+ }
	+ return true;
	+}
	+
	+bool
	+_mongoc_host_list_from_string_with_err (mongoc_host_list_t *link_,
	+ const char *address,
	+ bson_error_t *error)
	+{
	+ char *close_bracket;
	+ char *sport;
	+ uint16_t port;
	+ char *host;
	+ bool ret;
	+ bool ipv6 = false;
	+
	+ close_bracket = strchr (address, ']');
	+
	+ /* if this is an ipv6 address. */
	+ if (close_bracket) {
	+ /* if present, the port should immediately follow after ] */
	+ sport = strchr (close_bracket, ':');
	+ if (sport > close_bracket + 1) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "If present, port should immediately follow the \"]\""
	+ "in an IPv6 address");
	+ return false;
	+ }
	+
	+ /* otherwise ] should be the last char. */
	+ if (!sport && *(close_bracket + 1) != '\0') {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "If port is not supplied, \"[\" should be the last"
	+ "character");
	+ return false;
	+ }
	+
	+ if (*address != '[') {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Missing matching bracket \"[\"");
	+ return false;
	+ }
	+
	+ ipv6 = true;
	+ }
	+ /* otherwise, just find the first : */
	+ else {
	+ sport = strchr (address, ':');
	+ }
	+
	+ /* like "example.com:27019" or "[fe80::1]:27019", but not "[fe80::1]" */
	+ if (sport) {
	+ if (sport == address) {
	+ /* bad address like ":27017" */
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Bad address, \":\" should not be first character");
	+ return false;
	+ }
	+
	+ if (!mongoc_parse_port (&port, sport + 1)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Port could not be parsed");
	+ return false;
	+ }
	+
	+ /* if this is an ipv6 address, strip the [ and ] */
	+ if (ipv6) {
	+ host = bson_strndup (address + 1, close_bracket - address - 1);
	+ } else {
	+ host = bson_strndup (address, sport - address);
	+ }
	+ } else {
	+ /* if this is an ipv6 address, strip the [ and ] */
	+ if (ipv6) {
	+ host = bson_strndup (address + 1, close_bracket - address - 1);
	+ } else {
	+ host = bson_strdup (address);
	+ }
	+ port = MONGOC_DEFAULT_PORT;
	+ }
	+
	+ ret = _mongoc_host_list_from_hostport_with_err (link_, host, port, error);
	+
	+ bson_free (host);
	+
	+ return ret;
	+}
	+
	+bool
	+_mongoc_host_list_from_hostport_with_err (mongoc_host_list_t *link_,
	+ const char *host,
	+ uint16_t port,
	+ bson_error_t *error)
	+{
	+ size_t host_len = strlen (host);
	+ link_->port = port;
	+
	+ if (host_len == 0) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	+ "Empty hostname in URI");
	+ return false;
	+ }
	+
	+ if (host_len > BSON_HOST_NAME_MAX) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	+ "Hostname provided in URI is too long, max is %d chars",
	+ BSON_HOST_NAME_MAX);
	+ return false;
	+ }
	+
	+ bson_strncpy (link_->host, host, host_len + 1);
	+
	+ /* like "fe80::1" or "::1" */
	+ if (strchr (host, ':')) {
	+ link_->family = AF_INET6;
	+
	+ mongoc_lowercase (link_->host, link_->host);
	+ bson_snprintf (link_->host_and_port,
	+ sizeof link_->host_and_port,
	+ "[%s]:%hu",
	+ link_->host,
	+ link_->port);
	+
	+ } else if (strchr (host, '/') && strstr (host, ".sock")) {
	+ link_->family = AF_UNIX;
	+ bson_strncpy (link_->host_and_port, link_->host, host_len + 1);
	+ } else {
	+ /* This is either an IPv4 or hostname. */
	+ link_->family = AF_UNSPEC;
	+
	+ mongoc_lowercase (link_->host, link_->host);
	+ bson_snprintf (link_->host_and_port,
	+ sizeof link_->host_and_port,
	+ "%s:%hu",
	+ link_->host,
	+ link_->port);
	+ }
	+
	+ link_->next = NULL;
	+ return true;
	+}
	+
	+void
	+_mongoc_host_list_remove_host (mongoc_host_list_t **hosts,
	+ const char *host,
	+ uint16_t port)
	+{
	+ mongoc_host_list_t *current;
	+ mongoc_host_list_t *prev = NULL;
	+
	+ for (current = *hosts; current; prev = current, current = current->next) {
	+ if ((current->port == port) && (strcmp (current->host, host) == 0)) {
	+ /* Node found, unlink. */
	+ if (prev) {
	+ prev->next = current->next;
	+ } else {
	+ /* No previous, unlinking at head. */
	+ *hosts = current->next;
	+ }
	+ bson_free (current);
	+ break;
	+ }
	+ }
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-host-list.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-http.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-index.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-init.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-interrupt.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-iovec.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-iovec.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-iovec.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-iovec.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-libressl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-linux-distro-scanner.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-list.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.c
	new file mode 100644
	index 00000000..74848ab3
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.c
	@@ -0,0 +1,330 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#if defined(__linux__)
	+#include <sys/syscall.h>
	+#elif defined(_WIN32)
	+#include <process.h>
	+#elif defined(__APPLE__)
	+#include <pthread.h>
	+#elif defined(__FreeBSD__)
	+#include <sys/thr.h>
	+#elif defined(__NetBSD__)
	+#include <lwp.h>
	+#else
	+#include <unistd.h>
	+#endif
	+#include <stdarg.h>
	+#include <time.h>
	+
	+#include "mongoc-log.h"
	+#include "mongoc-log-private.h"
	+#include "mongoc-thread-private.h"
	+
	+
	+static bson_once_t once = BSON_ONCE_INIT;
	+static bson_mutex_t gLogMutex;
	+static mongoc_log_func_t gLogFunc = mongoc_log_default_handler;
	+static bool gLogTrace = MONGOC_TRACE_ENABLED;
	+static void *gLogData;
	+
	+static BSON_ONCE_FUN (_mongoc_ensure_mutex_once)
	+{
	+ bson_mutex_init (&gLogMutex);
	+
	+ BSON_ONCE_RETURN;
	+}
	+
	+void
	+mongoc_log_set_handler (mongoc_log_func_t log_func, void *user_data)
	+{
	+ bson_once (&once, &_mongoc_ensure_mutex_once);
	+
	+ bson_mutex_lock (&gLogMutex);
	+ gLogFunc = log_func;
	+ gLogData = user_data;
	+ bson_mutex_unlock (&gLogMutex);
	+}
	+
	+bool
	+_mongoc_log_trace_is_enabled (void)
	+{
	+ return gLogTrace && MONGOC_TRACE_ENABLED;
	+}
	+
	+void
	+mongoc_log_trace_enable (void)
	+{
	+ /* Enable trace logging if-and-only-if tracing is enabled at configure-time,
	+ * otherwise tracing remains disabled.
	+ */
	+ gLogTrace = MONGOC_TRACE_ENABLED;
	+}
	+
	+void
	+mongoc_log_trace_disable (void)
	+{
	+ gLogTrace = false;
	+}
	+
	+/* just for testing */
	+void
	+_mongoc_log_get_handler (mongoc_log_func_t log_func, void *user_data)
	+{
	+ *log_func = gLogFunc;
	+ *user_data = gLogData;
	+}
	+
	+
	+void
	+mongoc_log (mongoc_log_level_t log_level,
	+ const char *log_domain,
	+ const char *format,
	+ ...)
	+{
	+ va_list args;
	+ char *message;
	+ int stop_logging;
	+
	+ bson_once (&once, &_mongoc_ensure_mutex_once);
	+
	+ stop_logging = !gLogFunc;
	+ stop_logging = stop_logging \|\| (log_level == MONGOC_LOG_LEVEL_TRACE &&
	+ !_mongoc_log_trace_is_enabled ());
	+ if (stop_logging) {
	+ return;
	+ }
	+
	+ BSON_ASSERT (format);
	+
	+ va_start (args, format);
	+ message = bson_strdupv_printf (format, args);
	+ va_end (args);
	+
	+ bson_mutex_lock (&gLogMutex);
	+ gLogFunc (log_level, log_domain, message, gLogData);
	+ bson_mutex_unlock (&gLogMutex);
	+
	+ bson_free (message);
	+}
	+
	+
	+const char *
	+mongoc_log_level_str (mongoc_log_level_t log_level)
	+{
	+ switch (log_level) {
	+ case MONGOC_LOG_LEVEL_ERROR:
	+ return "ERROR";
	+ case MONGOC_LOG_LEVEL_CRITICAL:
	+ return "CRITICAL";
	+ case MONGOC_LOG_LEVEL_WARNING:
	+ return "WARNING";
	+ case MONGOC_LOG_LEVEL_MESSAGE:
	+ return "MESSAGE";
	+ case MONGOC_LOG_LEVEL_INFO:
	+ return "INFO";
	+ case MONGOC_LOG_LEVEL_DEBUG:
	+ return "DEBUG";
	+ case MONGOC_LOG_LEVEL_TRACE:
	+ return "TRACE";
	+ default:
	+ return "UNKNOWN";
	+ }
	+}
	+
	+
	+void
	+mongoc_log_default_handler (mongoc_log_level_t log_level,
	+ const char *log_domain,
	+ const char *message,
	+ void *user_data)
	+{
	+ struct timeval tv;
	+ struct tm tt;
	+ time_t t;
	+ FILE *stream;
	+ char nowstr[32];
	+ int pid;
	+
	+ bson_gettimeofday (&tv);
	+ t = tv.tv_sec;
	+
	+#ifdef _WIN32
	+#ifdef _MSC_VER
	+ localtime_s (&tt, &t);
	+#else
	+ tt = *(localtime (&t));
	+#endif
	+#else
	+ localtime_r (&t, &tt);
	+#endif
	+
	+ strftime (nowstr, sizeof nowstr, "%Y/%m/%d %H:%M:%S", &tt);
	+
	+ switch (log_level) {
	+ case MONGOC_LOG_LEVEL_ERROR:
	+ case MONGOC_LOG_LEVEL_CRITICAL:
	+ case MONGOC_LOG_LEVEL_WARNING:
	+ stream = stderr;
	+ break;
	+ case MONGOC_LOG_LEVEL_MESSAGE:
	+ case MONGOC_LOG_LEVEL_INFO:
	+ case MONGOC_LOG_LEVEL_DEBUG:
	+ case MONGOC_LOG_LEVEL_TRACE:
	+ default:
	+ stream = stdout;
	+ }
	+
	+#ifdef __linux__
	+ pid = syscall (SYS_gettid);
	+#elif defined(_WIN32)
	+ pid = (int) _getpid ();
	+#elif defined(__FreeBSD__)
	+ long tid;
	+ thr_self (&tid);
	+ pid = (int) tid;
	+#elif defined(__OpenBSD__)
	+ pid = (int) getthrid ();
	+#elif defined(__NetBSD__)
	+ pid = (int) _lwp_self ();
	+#elif defined(__APPLE__)
	+ uint64_t tid;
	+ pthread_threadid_np (0, &tid);
	+ pid = (int) tid;
	+#else
	+ pid = (int) getpid ();
	+#endif
	+
	+ fprintf (stream,
	+ "%s.%04ld: [%5d]: %8s: %12s: %s\n",
	+ nowstr,
	+ tv.tv_usec / 1000L,
	+ pid,
	+ mongoc_log_level_str (log_level),
	+ log_domain,
	+ message);
	+}
	+
	+void
	+mongoc_log_trace_bytes (const char domain, const uint8_t _b, size_t _l)
	+{
	+ bson_string_t str, astr;
	+ int32_t _i;
	+ uint8_t _v;
	+
	+ if (!_mongoc_log_trace_is_enabled ()) {
	+ return;
	+ }
	+
	+ str = bson_string_new (NULL);
	+ astr = bson_string_new (NULL);
	+ for (_i = 0; _i < _l; _i++) {
	+ _v = *(_b + _i);
	+
	+ if ((_i % 16) == 0) {
	+ bson_string_append_printf (str, "%05x: ", _i);
	+ }
	+
	+ bson_string_append_printf (str, " %02x", _v);
	+ if (isprint (_v)) {
	+ bson_string_append_printf (astr, " %c", _v);
	+ } else {
	+ bson_string_append (astr, " .");
	+ }
	+
	+ if ((_i % 16) == 15) {
	+ mongoc_log (
	+ MONGOC_LOG_LEVEL_TRACE, domain, "%s %s", str->str, astr->str);
	+ bson_string_truncate (str, 0);
	+ bson_string_truncate (astr, 0);
	+ } else if ((_i % 16) == 7) {
	+ bson_string_append (str, " ");
	+ bson_string_append (astr, " ");
	+ }
	+ }
	+
	+ if (_i != 16) {
	+ mongoc_log (
	+ MONGOC_LOG_LEVEL_TRACE, domain, "%-56s %s", str->str, astr->str);
	+ }
	+
	+ bson_string_free (str, true);
	+ bson_string_free (astr, true);
	+}
	+
	+void
	+mongoc_log_trace_iovec (const char *domain,
	+ const mongoc_iovec_t *_iov,
	+ size_t _iovcnt)
	+{
	+ bson_string_t str, astr;
	+ const char *_b;
	+ unsigned _i = 0;
	+ unsigned _j = 0;
	+ unsigned _k = 0;
	+ size_t _l = 0;
	+ uint8_t _v;
	+
	+ if (!_mongoc_log_trace_is_enabled ()) {
	+ return;
	+ }
	+
	+ for (_i = 0; _i < _iovcnt; _i++) {
	+ _l += _iov[_i].iov_len;
	+ }
	+
	+ _i = 0;
	+ str = bson_string_new (NULL);
	+ astr = bson_string_new (NULL);
	+
	+ for (_j = 0; _j < _iovcnt; _j++) {
	+ _b = (char *) _iov[_j].iov_base;
	+ _l = _iov[_j].iov_len;
	+
	+ for (_k = 0; _k < _l; _k++, _i++) {
	+ _v = *(_b + _k);
	+ if ((_i % 16) == 0) {
	+ bson_string_append_printf (str, "%05x: ", _i);
	+ }
	+
	+ bson_string_append_printf (str, " %02x", _v);
	+ if (isprint (_v)) {
	+ bson_string_append_printf (astr, " %c", _v);
	+ } else {
	+ bson_string_append (astr, " .");
	+ }
	+
	+ if ((_i % 16) == 15) {
	+ mongoc_log (
	+ MONGOC_LOG_LEVEL_TRACE, domain, "%s %s", str->str, astr->str);
	+ bson_string_truncate (str, 0);
	+ bson_string_truncate (astr, 0);
	+ } else if ((_i % 16) == 7) {
	+ bson_string_append (str, " ");
	+ bson_string_append (astr, " ");
	+ }
	+ }
	+ }
	+
	+ if (_i != 16) {
	+ mongoc_log (
	+ MONGOC_LOG_LEVEL_TRACE, domain, "%-56s %s", str->str, astr->str);
	+ }
	+
	+ bson_string_free (str, true);
	+ bson_string_free (astr, true);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-log.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-macros.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-macros.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-macros.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-macros.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-op.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-matcher.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-memcmp.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ocsp-cache.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opcode.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opcode.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opcode.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opcode.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-openssl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-optional.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-helpers.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-opts.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-prelude.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-prelude.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-prelude.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-prelude.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-queue.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-cng.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-cng.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-cng.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-cng.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-common-crypto.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-common-crypto.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-common-crypto.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-common-crypto.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-openssl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-openssl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-openssl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-openssl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rand.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-concern.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.c
	new file mode 100644
	index 00000000..7a250bdf
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.c
	@@ -0,0 +1,423 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc-error.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-trace-private.h"
	+
	+
	+mongoc_read_prefs_t *
	+mongoc_read_prefs_new (mongoc_read_mode_t mode)
	+{
	+ mongoc_read_prefs_t *read_prefs;
	+
	+ read_prefs = (mongoc_read_prefs_t ) bson_malloc0 (sizeof read_prefs);
	+ read_prefs->mode = mode;
	+ bson_init (&read_prefs->tags);
	+ read_prefs->max_staleness_seconds = MONGOC_NO_MAX_STALENESS;
	+ bson_init (&read_prefs->hedge);
	+
	+ return read_prefs;
	+}
	+
	+
	+mongoc_read_mode_t
	+mongoc_read_prefs_get_mode (const mongoc_read_prefs_t *read_prefs)
	+{
	+ return read_prefs ? read_prefs->mode : MONGOC_READ_PRIMARY;
	+}
	+
	+
	+void
	+mongoc_read_prefs_set_mode (mongoc_read_prefs_t *read_prefs,
	+ mongoc_read_mode_t mode)
	+{
	+ BSON_ASSERT (read_prefs);
	+ BSON_ASSERT (mode <= MONGOC_READ_NEAREST);
	+
	+ read_prefs->mode = mode;
	+}
	+
	+
	+const bson_t *
	+mongoc_read_prefs_get_tags (const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT (read_prefs);
	+ return &read_prefs->tags;
	+}
	+
	+
	+void
	+mongoc_read_prefs_set_tags (mongoc_read_prefs_t read_prefs, const bson_t tags)
	+{
	+ BSON_ASSERT (read_prefs);
	+
	+ bson_destroy (&read_prefs->tags);
	+
	+ if (tags) {
	+ bson_copy_to (tags, &read_prefs->tags);
	+ } else {
	+ bson_init (&read_prefs->tags);
	+ }
	+}
	+
	+
	+void
	+mongoc_read_prefs_add_tag (mongoc_read_prefs_t read_prefs, const bson_t tag)
	+{
	+ bson_t empty = BSON_INITIALIZER;
	+ char str[16];
	+ int key;
	+
	+ BSON_ASSERT (read_prefs);
	+
	+ key = bson_count_keys (&read_prefs->tags);
	+ bson_snprintf (str, sizeof str, "%d", key);
	+
	+ if (tag) {
	+ bson_append_document (&read_prefs->tags, str, -1, tag);
	+ } else {
	+ bson_append_document (&read_prefs->tags, str, -1, &empty);
	+ }
	+
	+ bson_destroy (&empty);
	+}
	+
	+
	+int64_t
	+mongoc_read_prefs_get_max_staleness_seconds (
	+ const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT (read_prefs);
	+
	+ return read_prefs->max_staleness_seconds;
	+}
	+
	+
	+void
	+mongoc_read_prefs_set_max_staleness_seconds (mongoc_read_prefs_t *read_prefs,
	+ int64_t max_staleness_seconds)
	+{
	+ BSON_ASSERT (read_prefs);
	+
	+ read_prefs->max_staleness_seconds = max_staleness_seconds;
	+}
	+
	+
	+const bson_t *
	+mongoc_read_prefs_get_hedge (const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT (read_prefs);
	+
	+ return &read_prefs->hedge;
	+}
	+
	+
	+void
	+mongoc_read_prefs_set_hedge (mongoc_read_prefs_t *read_prefs,
	+ const bson_t *hedge)
	+{
	+ BSON_ASSERT (read_prefs);
	+
	+ bson_destroy (&read_prefs->hedge);
	+
	+ if (hedge) {
	+ bson_copy_to (hedge, &read_prefs->hedge);
	+ } else {
	+ bson_init (&read_prefs->hedge);
	+ }
	+}
	+
	+
	+bool
	+mongoc_read_prefs_is_valid (const mongoc_read_prefs_t *read_prefs)
	+{
	+ BSON_ASSERT (read_prefs);
	+
	+ /*
	+ * Tags, maxStalenessSeconds, and hedge are not supported with PRIMARY mode.
	+ */
	+ if (read_prefs->mode == MONGOC_READ_PRIMARY) {
	+ if (!bson_empty (&read_prefs->tags) \|\|
	+ read_prefs->max_staleness_seconds != MONGOC_NO_MAX_STALENESS \|\|
	+ !bson_empty (&read_prefs->hedge)) {
	+ return false;
	+ }
	+ }
	+
	+ if (read_prefs->max_staleness_seconds != MONGOC_NO_MAX_STALENESS &&
	+ read_prefs->max_staleness_seconds <= 0) {
	+ return false;
	+ }
	+
	+
	+ return true;
	+}
	+
	+
	+void
	+mongoc_read_prefs_destroy (mongoc_read_prefs_t *read_prefs)
	+{
	+ if (read_prefs) {
	+ bson_destroy (&read_prefs->tags);
	+ bson_destroy (&read_prefs->hedge);
	+ bson_free (read_prefs);
	+ }
	+}
	+
	+
	+mongoc_read_prefs_t *
	+mongoc_read_prefs_copy (const mongoc_read_prefs_t *read_prefs)
	+{
	+ mongoc_read_prefs_t *ret = NULL;
	+
	+ if (read_prefs) {
	+ ret = mongoc_read_prefs_new (read_prefs->mode);
	+ bson_destroy (&ret->tags);
	+ bson_copy_to (&read_prefs->tags, &ret->tags);
	+ ret->max_staleness_seconds = read_prefs->max_staleness_seconds;
	+ bson_destroy (&ret->hedge);
	+ bson_copy_to (&read_prefs->hedge, &ret->hedge);
	+ }
	+
	+ return ret;
	+}
	+
	+
	+const char *
	+_mongoc_read_mode_as_str (mongoc_read_mode_t mode)
	+{
	+ switch (mode) {
	+ case MONGOC_READ_PRIMARY:
	+ return "primary";
	+ case MONGOC_READ_PRIMARY_PREFERRED:
	+ return "primaryPreferred";
	+ case MONGOC_READ_SECONDARY:
	+ return "secondary";
	+ case MONGOC_READ_SECONDARY_PREFERRED:
	+ return "secondaryPreferred";
	+ case MONGOC_READ_NEAREST:
	+ return "nearest";
	+ default:
	+ return "";
	+ }
	+}
	+
	+
	+/* Update result with the read prefs, following Server Selection Spec.
	+ * The driver must have discovered the server is a mongos.
	+ */
	+static void
	+_apply_read_preferences_mongos (
	+ const mongoc_read_prefs_t *read_prefs,
	+ const bson_t *query_bson,
	+ mongoc_assemble_query_result_t result / OUT */)
	+{
	+ mongoc_read_mode_t mode;
	+ const bson_t *tags = NULL;
	+ bson_t child;
	+ const char *mode_str;
	+ int64_t max_staleness_seconds = MONGOC_NO_MAX_STALENESS;
	+ const bson_t *hedge = NULL;
	+
	+ mode = mongoc_read_prefs_get_mode (read_prefs);
	+ if (read_prefs) {
	+ max_staleness_seconds =
	+ mongoc_read_prefs_get_max_staleness_seconds (read_prefs);
	+
	+ tags = mongoc_read_prefs_get_tags (read_prefs);
	+ hedge = mongoc_read_prefs_get_hedge (read_prefs);
	+ }
	+
	+ /* Server Selection Spec says:
	+ *
	+ * For mode 'primary', drivers MUST NOT set the secondaryOk wire protocol flag
	+ * and MUST NOT use $readPreference
	+ *
	+ * For mode 'secondary', drivers MUST set the secondaryOk wire protocol flag and
	+ * MUST also use $readPreference
	+ *
	+ * For mode 'primaryPreferred', drivers MUST set the secondaryOk wire protocol
	+ * flag and MUST also use $readPreference
	+ *
	+ * For mode 'secondaryPreferred', drivers MUST set the secondaryOk wire protocol
	+ * flag. If the read preference contains a non-empty tag_sets parameter,
	+ * maxStalenessSeconds is a positive integer, or the hedge parameter is
	+ * non-empty, drivers MUST use $readPreference; otherwise, drivers MUST NOT
	+ * use $readPreference
	+ *
	+ * For mode 'nearest', drivers MUST set the secondaryOk wire protocol flag and
	+ * MUST also use $readPreference
	+ */
	+ if (mode == MONGOC_READ_SECONDARY_PREFERRED &&
	+ (bson_empty0 (tags) && max_staleness_seconds <= 0 && bson_empty0 (hedge))) {
	+ result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	+
	+ } else if (mode != MONGOC_READ_PRIMARY) {
	+ result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	+
	+ /* Server Selection Spec: "When any $ modifier is used, including the
	+ * $readPreference modifier, the query MUST be provided using the $query
	+ * modifier".
	+ *
	+ * This applies to commands, too.
	+ */
	+ result->assembled_query = bson_new ();
	+ result->query_owned = true;
	+
	+ if (bson_has_field (query_bson, "$query")) {
	+ bson_concat (result->assembled_query, query_bson);
	+ } else {
	+ bson_append_document (
	+ result->assembled_query, "$query", 6, query_bson);
	+ }
	+
	+ bson_append_document_begin (
	+ result->assembled_query, "$readPreference", 15, &child);
	+ mode_str = _mongoc_read_mode_as_str (mode);
	+ bson_append_utf8 (&child, "mode", 4, mode_str, -1);
	+ if (!bson_empty0 (tags)) {
	+ bson_append_array (&child, "tags", 4, tags);
	+ }
	+
	+ if (max_staleness_seconds != MONGOC_NO_MAX_STALENESS) {
	+ bson_append_int64 (
	+ &child, "maxStalenessSeconds", 19, max_staleness_seconds);
	+ }
	+
	+ if (!bson_empty0 (hedge)) {
	+ bson_append_document (&child, "hedge", 5, hedge);
	+ }
	+
	+ bson_append_document_end (result->assembled_query, &child);
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * assemble_query --
	+ *
	+ * Update @result based on @read_prefs, following the Server Selection
	+ * Spec.
	+ *
	+ * Side effects:
	+ * Sets @result->assembled_query and @result->flags.
	+ *
	+ * Note:
	+ * This function, the mongoc_assemble_query_result_t struct, and all
	+ * related functions are only used for find operations with OP_QUERY.
	+ * Remove them once we have implemented exhaust cursors with OP_MSG in
	+ * the server, and all previous server versions are EOL.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+assemble_query (const mongoc_read_prefs_t *read_prefs,
	+ const mongoc_server_stream_t *server_stream,
	+ const bson_t *query_bson,
	+ mongoc_query_flags_t initial_flags,
	+ mongoc_assemble_query_result_t result / OUT */)
	+{
	+ mongoc_server_description_type_t server_type;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (server_stream);
	+ BSON_ASSERT (query_bson);
	+ BSON_ASSERT (result);
	+
	+ /* default values */
	+ result->assembled_query = (bson_t *) query_bson;
	+ result->query_owned = false;
	+ result->flags = initial_flags;
	+
	+ server_type = server_stream->sd->type;
	+
	+ switch (server_stream->topology_type) {
	+ case MONGOC_TOPOLOGY_SINGLE:
	+ if (server_type == MONGOC_SERVER_MONGOS) {
	+ _apply_read_preferences_mongos (read_prefs, query_bson, result);
	+ } else {
	+ /* Server Selection Spec: for topology type single and server types
	+ * besides mongos, "clients MUST always set the secondaryOk wire protocol
	+ * flag on reads to ensure that any server type can handle the
	+ * request."
	+ */
	+ result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ }
	+
	+ break;
	+
	+ case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	+ case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	+ /* Server Selection Spec: for RS topology types, "For all read
	+ * preferences modes except primary, clients MUST set the secondaryOk wire
	+ * protocol flag to ensure that any suitable server can handle the
	+ * request. Clients MUST NOT set the secondaryOk wire protocol flag if the
	+ * read preference mode is primary.
	+ */
	+ if (read_prefs && read_prefs->mode != MONGOC_READ_PRIMARY) {
	+ result->flags \|= MONGOC_QUERY_SECONDARY_OK;
	+ }
	+
	+ break;
	+
	+ case MONGOC_TOPOLOGY_SHARDED:
	+ case MONGOC_TOPOLOGY_LOAD_BALANCED:
	+ _apply_read_preferences_mongos (read_prefs, query_bson, result);
	+ break;
	+
	+ case MONGOC_TOPOLOGY_UNKNOWN:
	+ case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	+ default:
	+ /* must not call _apply_read_preferences with unknown topology type */
	+ BSON_ASSERT (false);
	+ }
	+
	+ EXIT;
	+}
	+
	+
	+void
	+assemble_query_result_cleanup (mongoc_assemble_query_result_t *result)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (result);
	+
	+ if (result->query_owned) {
	+ bson_destroy (result->assembled_query);
	+ }
	+
	+ EXIT;
	+}
	+
	+bool
	+_mongoc_read_prefs_validate (const mongoc_read_prefs_t *read_prefs,
	+ bson_error_t *error)
	+{
	+ if (read_prefs && !mongoc_read_prefs_is_valid (read_prefs)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Invalid mongoc_read_prefs_t");
	+ return false;
	+ }
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.h
	new file mode 100644
	index 00000000..c378adbe
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-read-prefs.h
	@@ -0,0 +1,88 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_READ_PREFS_H
	+#define MONGOC_READ_PREFS_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-macros.h"
	+#include "mongoc-config.h"
	+
	+BSON_BEGIN_DECLS
	+
	+
	+#define MONGOC_NO_MAX_STALENESS -1
	+#define MONGOC_SMALLEST_MAX_STALENESS_SECONDS 90
	+
	+typedef struct _mongoc_read_prefs_t mongoc_read_prefs_t;
	+
	+
	+typedef enum {
	+ /** Represents $readPreference.mode of 'primary' */
	+ MONGOC_READ_PRIMARY = (1 << 0),
	+ /** Represents $readPreference.mode of 'secondary' */
	+ MONGOC_READ_SECONDARY = (1 << 1),
	+ /** Represents $readPreference.mode of 'primaryPreferred' */
	+ MONGOC_READ_PRIMARY_PREFERRED = (1 << 2) \| MONGOC_READ_PRIMARY,
	+ /** Represents $readPreference.mode of 'secondaryPreferred' */
	+ MONGOC_READ_SECONDARY_PREFERRED = (1 << 2) \| MONGOC_READ_SECONDARY,
	+ /** Represents $readPreference.mode of 'nearest' */
	+ MONGOC_READ_NEAREST = (1 << 3) \| MONGOC_READ_SECONDARY,
	+} mongoc_read_mode_t;
	+
	+
	+MONGOC_EXPORT (mongoc_read_prefs_t *)
	+mongoc_read_prefs_new (mongoc_read_mode_t read_mode)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_read_prefs_t *)
	+mongoc_read_prefs_copy (const mongoc_read_prefs_t *read_prefs)
	+ BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_read_prefs_destroy (mongoc_read_prefs_t *read_prefs);
	+MONGOC_EXPORT (mongoc_read_mode_t)
	+mongoc_read_prefs_get_mode (const mongoc_read_prefs_t *read_prefs);
	+MONGOC_EXPORT (void)
	+mongoc_read_prefs_set_mode (mongoc_read_prefs_t *read_prefs,
	+ mongoc_read_mode_t mode);
	+MONGOC_EXPORT (const bson_t *)
	+mongoc_read_prefs_get_tags (const mongoc_read_prefs_t *read_prefs);
	+MONGOC_EXPORT (void)
	+mongoc_read_prefs_set_tags (mongoc_read_prefs_t *read_prefs,
	+ const bson_t *tags);
	+MONGOC_EXPORT (void)
	+mongoc_read_prefs_add_tag (mongoc_read_prefs_t read_prefs, const bson_t tag);
	+MONGOC_EXPORT (int64_t)
	+mongoc_read_prefs_get_max_staleness_seconds (
	+ const mongoc_read_prefs_t *read_prefs);
	+MONGOC_EXPORT (void)
	+mongoc_read_prefs_set_max_staleness_seconds (mongoc_read_prefs_t *read_prefs,
	+ int64_t max_staleness_seconds);
	+MONGOC_EXPORT (const bson_t *)
	+mongoc_read_prefs_get_hedge (const mongoc_read_prefs_t *read_prefs);
	+MONGOC_EXPORT (void)
	+mongoc_read_prefs_set_hedge (mongoc_read_prefs_t *read_prefs,
	+ const bson_t *hedge);
	+MONGOC_EXPORT (bool)
	+mongoc_read_prefs_is_valid (const mongoc_read_prefs_t *read_prefs);
	+
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_READ_PREFS_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-rpc.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sasl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-scram.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-channel.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-secure-transport.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-api.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-description.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor.c
	new file mode 100644
	index 00000000..69a7dc2c
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-monitor.c
	@@ -0,0 +1,1273 @@
	+/*
	+ * Copyright 2020-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "common-thread-private.h"
	+#include "mongoc-server-monitor-private.h"
	+
	+#include "mongoc/mongoc-client-private.h"
	+#include "mongoc/mongoc-error-private.h"
	+#include "mongoc/mongoc-flags-private.h"
	+#include "mongoc/mongoc-ssl-private.h"
	+#include "mongoc/mongoc-stream-private.h"
	+#include "mongoc/mongoc-topology-background-monitoring-private.h"
	+#include "mongoc/mongoc-topology-private.h"
	+#include "mongoc/mongoc-trace-private.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "monitor"
	+
	+typedef enum {
	+ MONGOC_THREAD_OFF = 0,
	+ MONGOC_THREAD_RUNNING,
	+ MONGOC_THREAD_SHUTTING_DOWN,
	+ MONGOC_THREAD_JOINABLE
	+} thread_state_t;
	+
	+/* Use a signed and wide return type for timeouts as long as you can. Cast only
	+ * when you know what you're doing with it. */
	+static int64_t
	+_now_us (void)
	+{
	+ return bson_get_monotonic_time ();
	+}
	+
	+static int64_t
	+_now_ms (void)
	+{
	+ return _now_us () / 1000;
	+}
	+
	+struct _mongoc_server_monitor_t {
	+ mongoc_topology_t *topology;
	+ bson_thread_t thread;
	+
	+ /* State accessed from multiple threads. */
	+ struct {
	+ bson_mutex_t mutex;
	+ mongoc_cond_t cond;
	+ thread_state_t state;
	+ bool scan_requested;
	+ bool cancel_requested;
	+ } shared;
	+
	+ /* Default time to sleep between hello checks (reduced when a scan is
	+ * requested) */
	+ uint64_t heartbeat_frequency_ms;
	+ /* The minimum time to sleep between hello checks. */
	+ uint64_t min_heartbeat_frequency_ms;
	+ int64_t connect_timeout_ms;
	+ bool use_tls;
	+#ifdef MONGOC_ENABLE_SSL
	+ mongoc_ssl_opt_t *ssl_opts;
	+#endif
	+ mongoc_uri_t *uri;
	+ /* A custom initiator may be set if a user provides overrides to create a
	+ * stream. */
	+ mongoc_stream_initiator_t initiator;
	+ void *initiator_context;
	+ int64_t request_id;
	+ mongoc_apm_callbacks_t apm_callbacks;
	+ void *apm_context;
	+
	+ mongoc_stream_t *stream;
	+ bool more_to_come;
	+ mongoc_server_description_t *description;
	+ uint32_t server_id;
	+ bool is_rtt;
	+};
	+
	+static BSON_GNUC_PRINTF (3, 4) void _server_monitor_log (
	+ mongoc_server_monitor_t *server_monitor,
	+ mongoc_log_level_t level,
	+ const char *format,
	+ ...)
	+{
	+ va_list ap;
	+ char *msg;
	+
	+ va_start (ap, format);
	+ msg = bson_strdupv_printf (format, ap);
	+ va_end (ap);
	+
	+ mongoc_log (level,
	+ MONGOC_LOG_DOMAIN,
	+ "[%s%s] %s",
	+ server_monitor->description->host.host_and_port,
	+ server_monitor->is_rtt ? "-RTT" : "",
	+ msg);
	+ bson_free (msg);
	+}
	+
	+#define MONITOR_LOG(sm, ...) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ _server_monitor_log (sm, MONGOC_LOG_LEVEL_TRACE, __VA_ARGS__); \
	+ } \
	+ } while (0)
	+
	+/* TODO CDRIVER-3710 use MONGOC_LOG_LEVEL_ERROR */
	+#define MONITOR_LOG_ERROR(sm, ...) \
	+ _server_monitor_log (sm, MONGOC_LOG_LEVEL_DEBUG, __VA_ARGS__)
	+/* TODO CDRIVER-3710 use MONGOC_LOG_LEVEL_WARNING */
	+#define MONITOR_LOG_WARNING(sm, ...) \
	+ _server_monitor_log (sm, MONGOC_LOG_LEVEL_DEBUG, __VA_ARGS__)
	+
	+static void
	+_server_monitor_heartbeat_started (mongoc_server_monitor_t *server_monitor,
	+ bool awaited)
	+{
	+ mongoc_apm_server_heartbeat_started_t event;
	+ MONGOC_DEBUG_ASSERT (
	+ !COMMON_PREFIX (mutex_is_locked) (&server_monitor->topology->apm_mutex));
	+
	+ if (!server_monitor->apm_callbacks.server_heartbeat_started) {
	+ return;
	+ }
	+
	+ event.host = &server_monitor->description->host;
	+ event.context = server_monitor->apm_context;
	+ MONITOR_LOG (server_monitor,
	+ "%s heartbeat started",
	+ awaited ? "awaitable" : "regular");
	+ event.awaited = awaited;
	+ bson_mutex_lock (&server_monitor->topology->apm_mutex);
	+ server_monitor->apm_callbacks.server_heartbeat_started (&event);
	+ bson_mutex_unlock (&server_monitor->topology->apm_mutex);
	+}
	+
	+static void
	+_server_monitor_heartbeat_succeeded (mongoc_server_monitor_t *server_monitor,
	+ const bson_t *reply,
	+ int64_t duration_usec,
	+ bool awaited)
	+{
	+ mongoc_apm_server_heartbeat_succeeded_t event;
	+
	+ if (!server_monitor->apm_callbacks.server_heartbeat_succeeded) {
	+ return;
	+ }
	+
	+ event.host = &server_monitor->description->host;
	+ event.context = server_monitor->apm_context;
	+ event.reply = reply;
	+ event.duration_usec = duration_usec;
	+ MONITOR_LOG (server_monitor,
	+ "%s heartbeat succeeded",
	+ awaited ? "awaitable" : "regular");
	+ event.awaited = awaited;
	+ bson_mutex_lock (&server_monitor->topology->apm_mutex);
	+ server_monitor->apm_callbacks.server_heartbeat_succeeded (&event);
	+ bson_mutex_unlock (&server_monitor->topology->apm_mutex);
	+}
	+
	+static void
	+_server_monitor_heartbeat_failed (mongoc_server_monitor_t *server_monitor,
	+ const bson_error_t *error,
	+ int64_t duration_usec,
	+ bool awaited)
	+{
	+ mongoc_apm_server_heartbeat_failed_t event;
	+
	+ if (!server_monitor->apm_callbacks.server_heartbeat_failed) {
	+ return;
	+ }
	+
	+ event.host = &server_monitor->description->host;
	+ event.context = server_monitor->apm_context;
	+ event.error = error;
	+ event.duration_usec = duration_usec;
	+ MONITOR_LOG (
	+ server_monitor, "%s heartbeat failed", awaited ? "awaitable" : "regular");
	+ event.awaited = awaited;
	+ bson_mutex_lock (&server_monitor->topology->apm_mutex);
	+ server_monitor->apm_callbacks.server_heartbeat_failed (&event);
	+ bson_mutex_unlock (&server_monitor->topology->apm_mutex);
	+}
	+
	+static void
	+_server_monitor_append_cluster_time (mongoc_server_monitor_t *server_monitor,
	+ bson_t *cmd)
	+{
	+ mc_shared_tpld td =
	+ mc_tpld_take_ref (BSON_ASSERT_PTR_INLINE (server_monitor)->topology);
	+
	+ /* Cluster time is updated on every reply. */
	+ if (!bson_empty (&td.ptr->cluster_time)) {
	+ bson_append_document (cmd, "$clusterTime", 12, &td.ptr->cluster_time);
	+ }
	+ mc_tpld_drop_ref (&td);
	+}
	+
	+static bool
	+_server_monitor_send_and_recv_opquery (mongoc_server_monitor_t *server_monitor,
	+ const bson_t *cmd,
	+ bson_t *reply,
	+ bson_error_t *error)
	+{
	+ mongoc_rpc_t rpc;
	+ mongoc_array_t array_to_write;
	+ mongoc_iovec_t *iovec;
	+ int niovec;
	+ mongoc_buffer_t buffer;
	+ uint32_t reply_len;
	+ bson_t temp_reply;
	+ bool ret = false;
	+
	+ rpc.header.msg_len = 0;
	+ rpc.header.request_id = server_monitor->request_id++;
	+ rpc.header.response_to = 0;
	+ rpc.header.opcode = MONGOC_OPCODE_QUERY;
	+ rpc.query.flags = MONGOC_QUERY_SECONDARY_OK;
	+ rpc.query.collection = "admin.$cmd";
	+ rpc.query.skip = 0;
	+ rpc.query.n_return = -1;
	+ rpc.query.query = bson_get_data (cmd);
	+ rpc.query.fields = NULL;
	+
	+ _mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
	+ _mongoc_array_init (&array_to_write, sizeof (mongoc_iovec_t));
	+ _mongoc_rpc_gather (&rpc, &array_to_write);
	+ iovec = (mongoc_iovec_t *) array_to_write.data;
	+ niovec = array_to_write.len;
	+ _mongoc_rpc_swab_to_le (&rpc);
	+
	+ if (!_mongoc_stream_writev_full (server_monitor->stream,
	+ iovec,
	+ niovec,
	+ server_monitor->connect_timeout_ms,
	+ error)) {
	+ GOTO (fail);
	+ }
	+
	+ if (!_mongoc_buffer_append_from_stream (&buffer,
	+ server_monitor->stream,
	+ 4,
	+ server_monitor->connect_timeout_ms,
	+ error)) {
	+ GOTO (fail);
	+ }
	+
	+ memcpy (&reply_len, buffer.data, 4);
	+ reply_len = BSON_UINT32_FROM_LE (reply_len);
	+
	+ if (!_mongoc_buffer_append_from_stream (&buffer,
	+ server_monitor->stream,
	+ reply_len - buffer.len,
	+ server_monitor->connect_timeout_ms,
	+ error)) {
	+ GOTO (fail);
	+ }
	+
	+ if (!_mongoc_rpc_scatter (&rpc, buffer.data, buffer.len)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Invalid reply from server.");
	+
	+ GOTO (fail);
	+ }
	+
	+ if (!_mongoc_rpc_decompress_if_necessary (&rpc, &buffer, error)) {
	+ GOTO (fail);
	+ }
	+ _mongoc_rpc_swab_from_le (&rpc);
	+
	+ if (!_mongoc_rpc_get_first_document (&rpc, &temp_reply)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Invalid reply from server");
	+ GOTO (fail);
	+ }
	+ bson_copy_to (&temp_reply, reply);
	+
	+ ret = true;
	+fail:
	+ if (!ret) {
	+ bson_init (reply);
	+ }
	+ _mongoc_array_destroy (&array_to_write);
	+ _mongoc_buffer_destroy (&buffer);
	+ return ret;
	+}
	+
	+static bool
	+_server_monitor_polling_hello (mongoc_server_monitor_t *server_monitor,
	+ bool hello_ok,
	+ bson_t *hello_response,
	+ bson_error_t *error)
	+{
	+ bson_t cmd;
	+ const bson_t *hello;
	+ bool ret;
	+
	+ hello = _mongoc_topology_scanner_get_monitoring_cmd (
	+ server_monitor->topology->scanner, hello_ok);
	+ bson_copy_to (hello, &cmd);
	+
	+ _server_monitor_append_cluster_time (server_monitor, &cmd);
	+ ret = _server_monitor_send_and_recv_opquery (
	+ server_monitor, &cmd, hello_response, error);
	+ bson_destroy (&cmd);
	+ return ret;
	+}
	+
	+static bool
	+_server_monitor_awaitable_hello_send (mongoc_server_monitor_t *server_monitor,
	+ bson_t *cmd,
	+ bson_error_t *error)
	+{
	+ mongoc_rpc_t rpc = {0};
	+ mongoc_array_t array_to_write;
	+ mongoc_iovec_t *iovec;
	+ int niovec;
	+
	+ rpc.header.msg_len = 0;
	+ rpc.header.request_id = server_monitor->request_id++;
	+ rpc.header.response_to = 0;
	+ rpc.header.opcode = MONGOC_OPCODE_MSG;
	+ rpc.msg.flags = MONGOC_MSG_EXHAUST_ALLOWED;
	+ rpc.msg.n_sections = 1;
	+ rpc.msg.sections[0].payload_type = 0;
	+ rpc.msg.sections[0].payload.bson_document = bson_get_data (cmd);
	+
	+ _mongoc_array_init (&array_to_write, sizeof (mongoc_iovec_t));
	+ _mongoc_rpc_gather (&rpc, &array_to_write);
	+
	+ iovec = (mongoc_iovec_t *) array_to_write.data;
	+ niovec = array_to_write.len;
	+ _mongoc_rpc_swab_to_le (&rpc);
	+
	+ MONITOR_LOG (server_monitor,
	+ "sending with timeout %" PRId64,
	+ server_monitor->connect_timeout_ms);
	+
	+ if (!_mongoc_stream_writev_full (server_monitor->stream,
	+ iovec,
	+ niovec,
	+ server_monitor->connect_timeout_ms,
	+ error)) {
	+ MONITOR_LOG_ERROR (
	+ server_monitor, "failed to write awaitable hello: %s", error->message);
	+ _mongoc_array_destroy (&array_to_write);
	+ return false;
	+ }
	+ _mongoc_array_destroy (&array_to_write);
	+ return true;
	+}
	+
	+/* Poll the server monitor stream for reading. Allows cancellation.
	+ *
	+ * Called only from server monitor thread.
	+ * Locks server monitor mutex.
	+ * Returns true if stream is readable. False on error or cancellation.
	+ * On cancellation, no error is set, but cancelled is set to true.
	+ */
	+static bool
	+_server_monitor_poll_with_interrupt (mongoc_server_monitor_t *server_monitor,
	+ int64_t expire_at_ms,
	+ bool *cancelled,
	+ bson_error_t *error)
	+{
	+ /* How many milliseconds we should poll for on each tick.
	+ * On every tick, check whether the awaitable hello was cancelled. */
	+ const int32_t monitor_tick_ms = MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS;
	+ int64_t timeleft_ms;
	+
	+ while ((timeleft_ms = expire_at_ms - _now_ms ()) > 0) {
	+ ssize_t ret;
	+ mongoc_stream_poll_t poller[1];
	+
	+ MONITOR_LOG (server_monitor,
	+ "_server_monitor_poll_with_interrupt expires in: %" PRIu64
	+ "ms",
	+ timeleft_ms);
	+ poller[0].stream = server_monitor->stream;
	+ poller[0].events =
	+ POLLIN; /* POLLERR and POLLHUP are added in mongoc_socket_poll. */
	+ poller[0].revents = 0;
	+
	+ MONITOR_LOG (
	+ server_monitor,
	+ "polling for awaitable hello reply with timeleft_ms: %" PRId64,
	+ timeleft_ms);
	+ ret = mongoc_stream_poll (
	+ poller, 1, (int32_t) BSON_MIN (timeleft_ms, monitor_tick_ms));
	+ if (ret == -1) {
	+ MONITOR_LOG (server_monitor, "mongoc_stream_poll error");
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "poll error");
	+ return false;
	+ }
	+
	+ if (poller[0].revents & (POLLERR \| POLLHUP)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "connection closed while polling");
	+ return false;
	+ }
	+
	+ /* Check for cancellation. */
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ *cancelled = server_monitor->shared.cancel_requested;
	+ server_monitor->shared.cancel_requested = false;
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+
	+ if (*cancelled) {
	+ MONITOR_LOG (server_monitor, "polling cancelled");
	+ return false;
	+ }
	+
	+ if (poller[0].revents & POLLIN) {
	+ MONITOR_LOG (server_monitor, "mongoc_stream_poll ready to read");
	+ return true;
	+ }
	+ }
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "connection timeout while polling");
	+ return false;
	+}
	+
	+/* Calculate the timeout between the current time and an absolute expiration
	+ * time in milliseconds.
	+ *
	+ * Returns 0 and sets error if time expired.
	+ */
	+int64_t
	+_get_timeout_ms (int64_t expire_at_ms, bson_error_t *error)
	+{
	+ int64_t timeout_ms;
	+
	+ timeout_ms = expire_at_ms - _now_ms ();
	+ if (timeout_ms <= 0) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "connection timed out reading message length");
	+ return 0;
	+ }
	+ return timeout_ms;
	+}
	+
	+/* Receive an awaitable hello reply.
	+ *
	+ * May be used to receive additional replies when moreToCome is set.
	+ * Called only from server monitor thread.
	+ * May lock server monitor mutex in functions that are called.
	+ * May block for up to heartbeatFrequencyMS + connectTimeoutMS waiting for
	+ * reply.
	+ * Returns true if a reply was received. False on error or cancellation.
	+ * On cancellation, no error is set, but cancelled is set to true.
	+ */
	+static bool
	+_server_monitor_awaitable_hello_recv (mongoc_server_monitor_t *server_monitor,
	+ bson_t *hello_response,
	+ bool *cancelled,
	+ bson_error_t *error)
	+{
	+ bool ret = false;
	+ mongoc_buffer_t buffer;
	+ int32_t msg_len;
	+ mongoc_rpc_t rpc;
	+ bson_t reply_local;
	+ int64_t expire_at_ms;
	+ int64_t timeout_ms;
	+
	+ expire_at_ms = _now_ms () + server_monitor->heartbeat_frequency_ms +
	+ server_monitor->connect_timeout_ms;
	+ _mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
	+ if (!_server_monitor_poll_with_interrupt (
	+ server_monitor, expire_at_ms, cancelled, error)) {
	+ GOTO (fail);
	+ }
	+
	+ timeout_ms = _get_timeout_ms (expire_at_ms, error);
	+ if (!timeout_ms) {
	+ GOTO (fail);
	+ }
	+ MONITOR_LOG (server_monitor,
	+ "reading first 4 bytes with timeout: %" PRId64,
	+ timeout_ms);
	+ if (!_mongoc_buffer_append_from_stream (
	+ &buffer, server_monitor->stream, 4, (int32_t) timeout_ms, error)) {
	+ GOTO (fail);
	+ }
	+
	+ BSON_ASSERT (buffer.len == 4);
	+ memcpy (&msg_len, buffer.data, 4);
	+ msg_len = BSON_UINT32_FROM_LE (msg_len);
	+
	+ if ((msg_len < 16) \|\|
	+ (msg_len > server_monitor->description->max_msg_size)) {
	+ bson_set_error (
	+ error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Message size %d is not within expected range 16-%d bytes",
	+ msg_len,
	+ server_monitor->description->max_msg_size);
	+ GOTO (fail);
	+ }
	+
	+ timeout_ms = _get_timeout_ms (expire_at_ms, error);
	+ if (!timeout_ms) {
	+ GOTO (fail);
	+ }
	+ MONITOR_LOG (server_monitor,
	+ "reading remaining %d bytes. Timeout %" PRId64,
	+ (int) (msg_len - 4),
	+ timeout_ms);
	+ if (!_mongoc_buffer_append_from_stream (
	+ &buffer, server_monitor->stream, msg_len - 4, timeout_ms, error)) {
	+ GOTO (fail);
	+ }
	+
	+ if (!_mongoc_rpc_scatter (&rpc, buffer.data, buffer.len)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Malformed message from server");
	+ GOTO (fail);
	+ }
	+
	+ if (!_mongoc_rpc_decompress_if_necessary (&rpc, &buffer, error)) {
	+ GOTO (fail);
	+ }
	+
	+ _mongoc_rpc_swab_from_le (&rpc);
	+ memcpy (&msg_len, rpc.msg.sections[0].payload.bson_document, 4);
	+ msg_len = BSON_UINT32_FROM_LE (msg_len);
	+ if (!bson_init_static (
	+ &reply_local, rpc.msg.sections[0].payload.bson_document, msg_len)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_INVALID_REPLY,
	+ "Malformed BSON payload from server");
	+ GOTO (fail);
	+ }
	+
	+ bson_copy_to (&reply_local, hello_response);
	+ server_monitor->more_to_come =
	+ (rpc.msg.flags & MONGOC_MSG_MORE_TO_COME) != 0;
	+
	+ ret = true;
	+fail:
	+ if (!ret) {
	+ bson_init (hello_response);
	+ }
	+ _mongoc_buffer_destroy (&buffer);
	+ return ret;
	+}
	+
	+/* Send and receive an awaitable hello.
	+ *
	+ * Called only from server monitor thread.
	+ * May lock server monitor mutex in functions that are called.
	+ * May block for up to heartbeatFrequencyMS waiting for reply.
	+ */
	+static bool
	+_server_monitor_awaitable_hello (mongoc_server_monitor_t *server_monitor,
	+ const mongoc_server_description_t *description,
	+ bson_t *hello_response,
	+ bool *cancelled,
	+ bson_error_t *error)
	+{
	+ bson_t cmd;
	+ const bson_t *hello;
	+ bool ret = false;
	+
	+ hello = _mongoc_topology_scanner_get_monitoring_cmd (
	+ server_monitor->topology->scanner, description->hello_ok);
	+ bson_copy_to (hello, &cmd);
	+
	+ _server_monitor_append_cluster_time (server_monitor, &cmd);
	+ bson_append_document (
	+ &cmd, "topologyVersion", 15, &description->topology_version);
	+ bson_append_int32 (
	+ &cmd, "maxAwaitTimeMS", 14, server_monitor->heartbeat_frequency_ms);
	+ bson_append_utf8 (&cmd, "$db", 3, "admin", 5);
	+
	+ if (!_server_monitor_awaitable_hello_send (server_monitor, &cmd, error)) {
	+ GOTO (fail);
	+ }
	+
	+ if (!_server_monitor_awaitable_hello_recv (
	+ server_monitor, hello_response, cancelled, error)) {
	+ bson_destroy (hello_response);
	+ GOTO (fail);
	+ }
	+
	+ ret = true;
	+fail:
	+ if (!ret) {
	+ bson_init (hello_response);
	+ }
	+ bson_destroy (&cmd);
	+ return ret;
	+}
	+
	+/* Update the topology description with a reply or an error.
	+ *
	+ * Called only from server monitor thread.
	+ * Caller must hold no locks.
	+ * Locks server monitor mutex.
	+ */
	+static void
	+_update_topology_description (mongoc_server_monitor_t *server_monitor,
	+ mongoc_server_description_t *description)
	+{
	+ mongoc_topology_t *topology;
	+ bson_t *hello_response = NULL;
	+ mc_tpld_modification tdmod;
	+
	+ topology = server_monitor->topology;
	+ if (description->has_hello_response) {
	+ hello_response = &description->last_hello_response;
	+ }
	+
	+ if (hello_response) {
	+ _mongoc_topology_update_cluster_time (topology, hello_response);
	+ }
	+
	+ if (bson_atomic_int_fetch (&topology->scanner_state,
	+ bson_memory_order_relaxed) ==
	+ MONGOC_TOPOLOGY_SCANNER_SHUTTING_DOWN) {
	+ return;
	+ }
	+
	+ tdmod = mc_tpld_modify_begin (topology);
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ server_monitor->shared.scan_requested = false;
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+ mongoc_topology_description_handle_hello (tdmod.new_td,
	+ server_monitor->server_id,
	+ hello_response,
	+ description->round_trip_time_msec,
	+ &description->error);
	+ /* Reconcile server monitors. */
	+ _mongoc_topology_background_monitoring_reconcile (topology, tdmod.new_td);
	+ /* Wake threads performing server selection. */
	+ mongoc_cond_broadcast (&server_monitor->topology->cond_client);
	+ mc_tpld_modify_commit (tdmod);
	+}
	+
	+/* Create a new server monitor.
	+ *
	+ * Called during reconcile.
	+ * Caller must hold topology lock.
	+ */
	+mongoc_server_monitor_t *
	+mongoc_server_monitor_new (mongoc_topology_t *topology,
	+ mongoc_topology_description_t *td,
	+ mongoc_server_description_t *init_description)
	+{
	+ mongoc_server_monitor_t *server_monitor =
	+ bson_malloc0 (sizeof (*server_monitor));
	+ server_monitor->description =
	+ mongoc_server_description_new_copy (init_description);
	+ server_monitor->server_id = init_description->id;
	+ server_monitor->topology = topology;
	+ server_monitor->heartbeat_frequency_ms = td->heartbeat_msec;
	+ server_monitor->min_heartbeat_frequency_ms =
	+ topology->min_heartbeat_frequency_msec;
	+ server_monitor->connect_timeout_ms = topology->connect_timeout_msec;
	+ server_monitor->uri = mongoc_uri_copy (topology->uri);
	+/* TODO CDRIVER-3682: Do not retrieve ssl opts from topology scanner. They
	+ * should be stored somewhere else. */
	+#ifdef MONGOC_ENABLE_SSL
	+ if (topology->scanner->ssl_opts) {
	+ server_monitor->ssl_opts = bson_malloc0 (sizeof (mongoc_ssl_opt_t));
	+
	+ _mongoc_ssl_opts_copy_to (
	+ topology->scanner->ssl_opts, server_monitor->ssl_opts, true);
	+ }
	+#endif
	+ memcpy (&server_monitor->apm_callbacks,
	+ &td->apm_callbacks,
	+ sizeof (mongoc_apm_callbacks_t));
	+ server_monitor->apm_context = td->apm_context;
	+ server_monitor->initiator = topology->scanner->initiator;
	+ server_monitor->initiator_context = topology->scanner->initiator_context;
	+ mongoc_cond_init (&server_monitor->shared.cond);
	+ bson_mutex_init (&server_monitor->shared.mutex);
	+ return server_monitor;
	+}
	+
	+/* Creates a stream and performs the initial hello handshake.
	+ *
	+ * Called only by server monitor thread.
	+ * Returns true if both connection and handshake succeeds.
	+ * Returns false and sets error otherwise.
	+ * hello_response is always initialized.
	+ */
	+static bool
	+_server_monitor_setup_connection (mongoc_server_monitor_t *server_monitor,
	+ bson_t *hello_response,
	+ int64_t *start_us,
	+ bson_error_t *error)
	+{
	+ bson_t cmd = BSON_INITIALIZER;
	+ bool ret = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (!server_monitor->stream);
	+ bson_init (hello_response);
	+
	+ server_monitor->more_to_come = false;
	+
	+ /* Using an initiator isn't really necessary. Users can't set them on
	+ * pools. But it is used for tests. */
	+ if (server_monitor->initiator) {
	+ server_monitor->stream =
	+ server_monitor->initiator (server_monitor->uri,
	+ &server_monitor->description->host,
	+ server_monitor->initiator_context,
	+ error);
	+ } else {
	+ void *ssl_opts_void = NULL;
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ ssl_opts_void = server_monitor->ssl_opts;
	+#endif
	+ server_monitor->stream =
	+ mongoc_client_connect (false,
	+ ssl_opts_void != NULL,
	+ ssl_opts_void,
	+ server_monitor->uri,
	+ &server_monitor->description->host,
	+ error);
	+ }
	+
	+ if (!server_monitor->stream) {
	+ GOTO (fail);
	+ }
	+
	+ /* Update the start time just before the handshake. */
	+ *start_us = _now_us ();
	+ /* Perform handshake. */
	+ bson_destroy (&cmd);
	+ _mongoc_topology_dup_handshake_cmd (server_monitor->topology, &cmd);
	+ _server_monitor_append_cluster_time (server_monitor, &cmd);
	+ bson_destroy (hello_response);
	+ if (!_server_monitor_send_and_recv_opquery (
	+ server_monitor, &cmd, hello_response, error)) {
	+ GOTO (fail);
	+ }
	+
	+ ret = true;
	+fail:
	+ bson_destroy (&cmd);
	+ RETURN (ret);
	+}
	+
	+/**
	+ * @brief Perform a hello check on a server
	+ *
	+ * @param server_monitor The server monitor for this server.
	+ * @param previous_description The most recent view of the description of this
	+ * server.
	+ * @param cancelled Output parameter: Whether the monitor check is cancelled.
	+ * @return mongoc_server_description_t* The newly created updated server
	+ * description.
	+ *
	+ * @note May update the topology description associated with the server monitor.
	+ *
	+ * @note In case of error, returns a new server description with the error
	+ * information, but with no hello reply.
	+ */
	+static mongoc_server_description_t *
	+_server_monitor_check_server (
	+ mongoc_server_monitor_t *server_monitor,
	+ const mongoc_server_description_t *previous_description,
	+ bool *cancelled)
	+{
	+ bool ret = false;
	+ bson_error_t error;
	+ bson_t hello_response;
	+ int64_t duration_us;
	+ int64_t start_us;
	+ bool command_or_network_error = false;
	+ bool awaited = false;
	+ mongoc_server_description_t *description;
	+ mc_tpld_modification tdmod;
	+
	+ ENTRY;
	+
	+ *cancelled = false;
	+ memset (&error, 0, sizeof (bson_error_t));
	+ description = bson_malloc0 (sizeof (mongoc_server_description_t));
	+ mongoc_server_description_init (
	+ description,
	+ server_monitor->description->connection_address,
	+ server_monitor->description->id);
	+ start_us = _now_us ();
	+
	+ if (!server_monitor->stream) {
	+ MONITOR_LOG (server_monitor, "setting up connection");
	+ awaited = false;
	+ _server_monitor_heartbeat_started (server_monitor, awaited);
	+ ret = _server_monitor_setup_connection (
	+ server_monitor, &hello_response, &start_us, &error);
	+ GOTO (exit);
	+ }
	+
	+ if (server_monitor->more_to_come) {
	+ awaited = true;
	+ /* Publish a heartbeat started for each additional response read. */
	+ _server_monitor_heartbeat_started (server_monitor, awaited);
	+ MONITOR_LOG (server_monitor, "more to come");
	+ ret = _server_monitor_awaitable_hello_recv (
	+ server_monitor, &hello_response, cancelled, &error);
	+ GOTO (exit);
	+ }
	+
	+ if (!bson_empty (&previous_description->topology_version)) {
	+ awaited = true;
	+ _server_monitor_heartbeat_started (server_monitor, awaited);
	+ MONITOR_LOG (server_monitor, "awaitable hello");
	+ ret = _server_monitor_awaitable_hello (server_monitor,
	+ previous_description,
	+ &hello_response,
	+ cancelled,
	+ &error);
	+ GOTO (exit);
	+ }
	+
	+ MONITOR_LOG (server_monitor, "polling hello");
	+ awaited = false;
	+ _server_monitor_heartbeat_started (server_monitor, awaited);
	+ ret = _server_monitor_polling_hello (
	+ server_monitor, previous_description->hello_ok, &hello_response, &error);
	+
	+exit:
	+ duration_us = _now_us () - start_us;
	+ MONITOR_LOG (
	+ server_monitor, "server check duration (us): %" PRId64, duration_us);
	+
	+ /* If ret is true, we have a reply. Check if "ok": 1. */
	+ if (ret && _mongoc_cmd_check_ok (
	+ &hello_response, MONGOC_ERROR_API_VERSION_2, &error)) {
	+ int64_t rtt_ms = MONGOC_RTT_UNSET;
	+
	+ /* rtt remains MONGOC_RTT_UNSET if awaited. */
	+ if (!awaited) {
	+ rtt_ms = duration_us / 1000;
	+ }
	+
	+ mongoc_server_description_handle_hello (
	+ description, &hello_response, rtt_ms, NULL);
	+ /* If the hello reply could not be parsed, consider this a command
	+ * error. */
	+ if (description->error.code) {
	+ MONITOR_LOG_ERROR (server_monitor,
	+ "error parsing server reply: %s",
	+ description->error.message);
	+ command_or_network_error = true;
	+ _server_monitor_heartbeat_failed (
	+ server_monitor, &description->error, duration_us, awaited);
	+ } else {
	+ _server_monitor_heartbeat_succeeded (
	+ server_monitor, &hello_response, duration_us, awaited);
	+ }
	+ } else if (*cancelled) {
	+ MONITOR_LOG (server_monitor, "server monitor cancelled");
	+ if (server_monitor->stream) {
	+ mongoc_stream_destroy (server_monitor->stream);
	+ }
	+ server_monitor->stream = NULL;
	+ server_monitor->more_to_come = false;
	+ _server_monitor_heartbeat_failed (
	+ server_monitor, &description->error, duration_us, awaited);
	+ } else {
	+ /* The hello reply had "ok":0 or a network error occurred. */
	+ MONITOR_LOG_ERROR (server_monitor,
	+ "command or network error occurred: %s",
	+ error.message);
	+ command_or_network_error = true;
	+ mongoc_server_description_handle_hello (
	+ description, NULL, MONGOC_RTT_UNSET, &error);
	+ _server_monitor_heartbeat_failed (
	+ server_monitor, &description->error, duration_us, awaited);
	+ }
	+
	+ if (command_or_network_error) {
	+ if (server_monitor->stream) {
	+ mongoc_stream_failed (server_monitor->stream);
	+ }
	+ server_monitor->stream = NULL;
	+ server_monitor->more_to_come = false;
	+ tdmod = mc_tpld_modify_begin (server_monitor->topology);
	+ /* clear_connection_pool() is a no-op if 'description->id' was already
	+ * removed. */
	+ _mongoc_topology_description_clear_connection_pool (
	+ tdmod.new_td,
	+ server_monitor->description->id,
	+ &server_monitor->description->service_id);
	+ mc_tpld_modify_commit (tdmod);
	+ }
	+
	+ bson_destroy (&hello_response);
	+ return description;
	+}
	+
	+/* Request scan of a single server.
	+ *
	+ * Locks server monitor mutex to deliver scan_requested.
	+ */
	+void
	+mongoc_server_monitor_request_scan (mongoc_server_monitor_t *server_monitor)
	+{
	+ MONITOR_LOG (server_monitor, "requesting scan");
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ server_monitor->shared.scan_requested = true;
	+ mongoc_cond_signal (&server_monitor->shared.cond);
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+}
	+
	+/* Request cancellation of an in progress awaitable hello.
	+ *
	+ * Called from app threads on network errors and during shutdown.
	+ * Locks server monitor mutex.
	+ */
	+void
	+mongoc_server_monitor_request_cancel (mongoc_server_monitor_t *server_monitor)
	+{
	+ MONITOR_LOG (server_monitor, "requesting cancel");
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ server_monitor->shared.cancel_requested = true;
	+ mongoc_cond_signal (&server_monitor->shared.cond);
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+}
	+
	+/* Wait for heartbeatFrequencyMS or minHeartbeatFrequencyMS if a scan is
	+ * requested.
	+ *
	+ * Locks server monitor mutex.
	+ */
	+void
	+mongoc_server_monitor_wait (mongoc_server_monitor_t *server_monitor)
	+{
	+ int64_t start_ms;
	+ int64_t scan_due_ms;
	+
	+ start_ms = _now_ms ();
	+ scan_due_ms = start_ms + server_monitor->heartbeat_frequency_ms;
	+
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ while (true) {
	+ int64_t sleep_duration_ms;
	+ int cond_ret;
	+
	+ if (server_monitor->shared.state != MONGOC_THREAD_RUNNING) {
	+ break;
	+ }
	+
	+ if (server_monitor->shared.scan_requested) {
	+ server_monitor->shared.scan_requested = false;
	+ scan_due_ms = start_ms + server_monitor->min_heartbeat_frequency_ms;
	+ }
	+
	+ sleep_duration_ms = scan_due_ms - _now_ms ();
	+
	+ if (sleep_duration_ms <= 0) {
	+ break;
	+ }
	+
	+ MONITOR_LOG (server_monitor, "sleeping for %" PRId64, sleep_duration_ms);
	+ cond_ret = mongoc_cond_timedwait (&server_monitor->shared.cond,
	+ &server_monitor->shared.mutex,
	+ sleep_duration_ms);
	+ if (mongo_cond_ret_is_timedout (cond_ret)) {
	+ break;
	+ }
	+ }
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+}
	+
	+/* The server monitor thread function.
	+ *
	+ * Server monitor must be in state MONGOC_THREAD_OFF.
	+ */
	+static BSON_THREAD_FUN (_server_monitor_thread, server_monitor_void)
	+{
	+ mongoc_server_monitor_t *server_monitor;
	+ mongoc_server_description_t *description;
	+ mongoc_server_description_t *previous_description;
	+
	+ server_monitor = (mongoc_server_monitor_t *) server_monitor_void;
	+ description =
	+ mongoc_server_description_new_copy (server_monitor->description);
	+ previous_description = NULL;
	+
	+ while (true) {
	+ bool cancelled = false;
	+
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ if (server_monitor->shared.state != MONGOC_THREAD_RUNNING) {
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+ break;
	+ }
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+
	+ mongoc_server_description_destroy (previous_description);
	+ previous_description = mongoc_server_description_new_copy (description);
	+ mongoc_server_description_destroy (description);
	+ description = _server_monitor_check_server (
	+ server_monitor, previous_description, &cancelled);
	+
	+ if (cancelled) {
	+ mongoc_server_monitor_wait (server_monitor);
	+ continue;
	+ }
	+
	+ _update_topology_description (server_monitor, description);
	+
	+ /* Immediately proceed to the next check if the previous response was
	+ * successful and included the topologyVersion field. */
	+ if (description->type != MONGOC_SERVER_UNKNOWN &&
	+ !bson_empty (&description->topology_version)) {
	+ MONITOR_LOG (server_monitor,
	+ "immediately proceeding due to topologyVersion");
	+ continue;
	+ }
	+
	+ /* ... or the previous response included the moreToCome flag */
	+ if (server_monitor->more_to_come) {
	+ MONITOR_LOG (server_monitor,
	+ "immediately proceeding due to moreToCome");
	+ continue;
	+ }
	+
	+ /* ... or the server has just transitioned to Unknown due to a network
	+ * error. */
	+ if (_mongoc_error_is_network (&description->error) &&
	+ previous_description->type != MONGOC_SERVER_UNKNOWN) {
	+ MONITOR_LOG (server_monitor,
	+ "immediately proceeding due to network error");
	+ continue;
	+ }
	+
	+ mongoc_server_monitor_wait (server_monitor);
	+ }
	+
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ server_monitor->shared.state = MONGOC_THREAD_JOINABLE;
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+ mongoc_server_description_destroy (previous_description);
	+ mongoc_server_description_destroy (description);
	+ BSON_THREAD_RETURN;
	+}
	+
	+static bool
	+_server_monitor_ping_server (mongoc_server_monitor_t *server_monitor,
	+ bool hello_ok,
	+ int64_t *rtt_ms)
	+{
	+ bool ret = false;
	+ int64_t start_us = _now_us ();
	+ bson_t hello_response;
	+ bson_error_t error;
	+
	+ *rtt_ms = MONGOC_RTT_UNSET;
	+
	+ if (!server_monitor->stream) {
	+ MONITOR_LOG (server_monitor, "rtt setting up connection");
	+ ret = _server_monitor_setup_connection (
	+ server_monitor, &hello_response, &start_us, &error);
	+ bson_destroy (&hello_response);
	+ }
	+
	+ if (server_monitor->stream) {
	+ MONITOR_LOG (server_monitor, "rtt polling hello");
	+ ret = _server_monitor_polling_hello (
	+ server_monitor, hello_ok, &hello_response, &error);
	+ if (ret) {
	+ *rtt_ms = (_now_us () - start_us) / 1000;
	+ }
	+ bson_destroy (&hello_response);
	+ }
	+ return ret;
	+}
	+
	+/* The RTT monitor thread function.
	+ *
	+ * Server monitor must be in state MONGOC_THREAD_OFF.
	+ */
	+static BSON_THREAD_FUN (_server_monitor_rtt_thread, server_monitor_void)
	+{
	+ mongoc_server_monitor_t *server_monitor = server_monitor_void;
	+
	+ while (true) {
	+ int64_t rtt_ms;
	+ bson_error_t error;
	+ bool hello_ok;
	+
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ if (server_monitor->shared.state != MONGOC_THREAD_RUNNING) {
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+ break;
	+ }
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+
	+ {
	+ mc_shared_tpld td = mc_tpld_take_ref (server_monitor->topology);
	+ const mongoc_server_description_t *sd =
	+ mongoc_topology_description_server_by_id_const (
	+ td.ptr, server_monitor->description->id, &error);
	+ hello_ok = sd ? sd->hello_ok : false;
	+ mc_tpld_drop_ref (&td);
	+ }
	+
	+ _server_monitor_ping_server (server_monitor, hello_ok, &rtt_ms);
	+ if (rtt_ms != MONGOC_RTT_UNSET) {
	+ mc_tpld_modification tdmod =
	+ mc_tpld_modify_begin (server_monitor->topology);
	+ mongoc_server_description_t *const mut_sd =
	+ mongoc_topology_description_server_by_id (
	+ tdmod.new_td, server_monitor->description->id, &error);
	+ if (mut_sd) {
	+ mongoc_server_description_update_rtt (mut_sd, rtt_ms);
	+ mc_tpld_modify_commit (tdmod);
	+ } else {
	+ /* If the server description has been removed, the RTT thread will
	+ * be terminated by background monitoring soon, so we have nothing
	+ * to do but wait until we are about to be stopped. */
	+ mc_tpld_modify_drop (tdmod);
	+ }
	+ }
	+ mongoc_server_monitor_wait (server_monitor);
	+ }
	+
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ server_monitor->shared.state = MONGOC_THREAD_JOINABLE;
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+ BSON_THREAD_RETURN;
	+}
	+
	+void
	+mongoc_server_monitor_run (mongoc_server_monitor_t *server_monitor)
	+{
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ if (server_monitor->shared.state == MONGOC_THREAD_OFF) {
	+ server_monitor->is_rtt = false;
	+ server_monitor->shared.state = MONGOC_THREAD_RUNNING;
	+ COMMON_PREFIX (thread_create)
	+ (&server_monitor->thread, _server_monitor_thread, server_monitor);
	+ }
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+}
	+
	+void
	+mongoc_server_monitor_run_as_rtt (mongoc_server_monitor_t *server_monitor)
	+{
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ if (server_monitor->shared.state == MONGOC_THREAD_OFF) {
	+ server_monitor->is_rtt = true;
	+ server_monitor->shared.state = MONGOC_THREAD_RUNNING;
	+ COMMON_PREFIX (thread_create)
	+ (&server_monitor->thread, _server_monitor_rtt_thread, server_monitor);
	+ }
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+}
	+
	+/* Request thread shutdown.
	+ *
	+ * Returns true if in state MONGOC_THREAD_OFF and the server monitor can be
	+ * safely destroyed.
	+ * Called during topology description reconcile.
	+ * Locks server monitor mutex.
	+ */
	+bool
	+mongoc_server_monitor_request_shutdown (mongoc_server_monitor_t *server_monitor)
	+{
	+ bool off = false;
	+
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ if (server_monitor->shared.state == MONGOC_THREAD_RUNNING) {
	+ server_monitor->shared.state = MONGOC_THREAD_SHUTTING_DOWN;
	+ }
	+ if (server_monitor->shared.state == MONGOC_THREAD_JOINABLE) {
	+ COMMON_PREFIX (thread_join) (server_monitor->thread);
	+ server_monitor->shared.state = MONGOC_THREAD_OFF;
	+ }
	+ if (server_monitor->shared.state == MONGOC_THREAD_OFF) {
	+ off = true;
	+ }
	+ mongoc_cond_signal (&server_monitor->shared.cond);
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+ /* Cancel an in-progress hello check. */
	+ if (!off) {
	+ mongoc_server_monitor_request_cancel (server_monitor);
	+ }
	+ return off;
	+}
	+
	+/* Request thread shutdown and block until the server monitor thread terminates.
	+ *
	+ * Called by one thread.
	+ * Locks the server monitor mutex.
	+ */
	+void
	+mongoc_server_monitor_wait_for_shutdown (
	+ mongoc_server_monitor_t *server_monitor)
	+{
	+ if (mongoc_server_monitor_request_shutdown (server_monitor)) {
	+ return;
	+ }
	+
	+ /* Shutdown requested, but thread is not yet off. Wait. */
	+ COMMON_PREFIX (thread_join) (server_monitor->thread);
	+ bson_mutex_lock (&server_monitor->shared.mutex);
	+ server_monitor->shared.state = MONGOC_THREAD_OFF;
	+ bson_mutex_unlock (&server_monitor->shared.mutex);
	+}
	+
	+/* Destroy a server monitor.
	+ *
	+ * Called only by one thread.
	+ * Caller must not hold server monitor lock.
	+ * Server monitor thread is in state MONGOC_THREAD_OFF.
	+ */
	+void
	+mongoc_server_monitor_destroy (mongoc_server_monitor_t *server_monitor)
	+{
	+ if (!server_monitor) {
	+ return;
	+ }
	+
	+ /* Locking not necessary since this is only called by one thread, and server
	+ * monitor thread is no longer running. */
	+ BSON_ASSERT (server_monitor->shared.state == MONGOC_THREAD_OFF);
	+
	+ mongoc_server_description_destroy (server_monitor->description);
	+ mongoc_stream_destroy (server_monitor->stream);
	+ mongoc_uri_destroy (server_monitor->uri);
	+ mongoc_cond_destroy (&server_monitor->shared.cond);
	+ bson_mutex_destroy (&server_monitor->shared.mutex);
	+#ifdef MONGOC_ENABLE_SSL
	+ if (server_monitor->ssl_opts) {
	+ _mongoc_ssl_opts_cleanup (server_monitor->ssl_opts, true);
	+ bson_free (server_monitor->ssl_opts);
	+ }
	+#endif
	+ bson_free (server_monitor);
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream-private.h
	new file mode 100644
	index 00000000..29109dc0
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream-private.h
	@@ -0,0 +1,64 @@
	+/*
	+ * Copyright 2015 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_SERVER_STREAM_H
	+#define MONGOC_SERVER_STREAM_H
	+
	+#include "mongoc-config.h"
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-topology-description-private.h"
	+#include "mongoc-server-description-private.h"
	+#include "mongoc-stream.h"
	+
	+BSON_BEGIN_DECLS
	+
	+typedef struct _mongoc_server_stream_t {
	+ mongoc_topology_description_type_t topology_type;
	+ mongoc_server_description_t sd; / owned */
	+ bson_t cluster_time; /* owned */
	+ mongoc_stream_t stream; / borrowed */
	+ /** If the stream was created in a way that may have overwritten the user's
	+ * readPreference, we need to know if server selection forced that change. */
	+ bool must_use_primary;
	+} mongoc_server_stream_t;
	+
	+
	+mongoc_server_stream_t *
	+mongoc_server_stream_new (const mongoc_topology_description_t *td,
	+ mongoc_server_description_t *sd,
	+ mongoc_stream_t *stream);
	+
	+int32_t
	+mongoc_server_stream_max_bson_obj_size (mongoc_server_stream_t *server_stream);
	+
	+int32_t
	+mongoc_server_stream_max_msg_size (mongoc_server_stream_t *server_stream);
	+
	+int32_t
	+mongoc_server_stream_max_write_batch_size (
	+ mongoc_server_stream_t *server_stream);
	+
	+void
	+mongoc_server_stream_cleanup (mongoc_server_stream_t *server_stream);
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_SERVER_STREAM_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream.c
	new file mode 100644
	index 00000000..84f21a36
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-server-stream.c
	@@ -0,0 +1,105 @@
	+/*
	+ * Copyright 2015 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include "mongoc-cluster-private.h"
	+#include "mongoc-server-stream-private.h"
	+#include "mongoc-util-private.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "server-stream"
	+
	+mongoc_server_stream_t *
	+mongoc_server_stream_new (const mongoc_topology_description_t *td,
	+ mongoc_server_description_t *sd,
	+ mongoc_stream_t *stream)
	+{
	+ mongoc_server_stream_t *server_stream;
	+
	+ BSON_ASSERT (sd);
	+ BSON_ASSERT (stream);
	+
	+ server_stream = bson_malloc (sizeof (mongoc_server_stream_t));
	+ server_stream->topology_type = td->type;
	+ bson_copy_to (&td->cluster_time, &server_stream->cluster_time);
	+ server_stream->sd = sd; /* becomes owned */
	+ server_stream->stream = stream; /* merely borrowed */
	+ server_stream->must_use_primary = false;
	+
	+ return server_stream;
	+}
	+
	+void
	+mongoc_server_stream_cleanup (mongoc_server_stream_t *server_stream)
	+{
	+ if (server_stream) {
	+ mongoc_server_description_destroy (server_stream->sd);
	+ bson_destroy (&server_stream->cluster_time);
	+ bson_free (server_stream);
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_server_stream_max_bson_obj_size --
	+ *
	+ * Return the max bson object size for the given server stream.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int32_t
	+mongoc_server_stream_max_bson_obj_size (mongoc_server_stream_t *server_stream)
	+{
	+ return COALESCE (server_stream->sd->max_bson_obj_size,
	+ MONGOC_DEFAULT_BSON_OBJ_SIZE);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_server_stream_max_msg_size --
	+ *
	+ * Return the max message size for the given server stream.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int32_t
	+mongoc_server_stream_max_msg_size (mongoc_server_stream_t *server_stream)
	+{
	+ return COALESCE (server_stream->sd->max_msg_size,
	+ MONGOC_DEFAULT_MAX_MSG_SIZE);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_server_stream_max_write_batch_size --
	+ *
	+ * Return the max write batch size for the given server stream.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int32_t
	+mongoc_server_stream_max_write_batch_size (
	+ mongoc_server_stream_t *server_stream)
	+{
	+ return COALESCE (server_stream->sd->max_write_batch_size,
	+ MONGOC_DEFAULT_WRITE_BATCH_SIZE);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-set.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-shared.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket-private.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.c
	new file mode 100644
	index 00000000..e085adba
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.c
	@@ -0,0 +1,1578 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include <errno.h>
	+#include <string.h>
	+
	+#include "mongoc-counters-private.h"
	+#include "mongoc-errno-private.h"
	+#include "mongoc-socket-private.h"
	+#include "mongoc-host-list.h"
	+#include "mongoc-socket-private.h"
	+#include "mongoc-trace-private.h"
	+#ifdef _WIN32
	+#include <Mstcpip.h>
	+#include <process.h>
	+#endif
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "socket"
	+
	+
	+#define OPERATION_EXPIRED(expire_at) \
	+ ((expire_at >= 0) && (expire_at < (bson_get_monotonic_time ())))
	+
	+
	+/* either struct sockaddr or void, depending on platform */
	+typedef MONGOC_SOCKET_ARG2 mongoc_sockaddr_t;
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_socket_capture_errno --
	+ *
	+ * Save the errno state for contextual use.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static void
	+_mongoc_socket_capture_errno (mongoc_socket_t sock) / IN */
	+{
	+#ifdef _WIN32
	+ errno = sock->errno_ = WSAGetLastError ();
	+#else
	+ sock->errno_ = errno;
	+#endif
	+ TRACE ("setting errno: %d %s", sock->errno_, strerror (sock->errno_));
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_socket_setflags --
	+ *
	+ * A helper to set socket flags. Sets to nonblocking mode. On
	+ * POSIX sets closeonexec.
	+ *
	+ *
	+ * Returns:
	+ * true if successful; otherwise false.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+#ifdef _WIN32
	+_mongoc_socket_setflags (SOCKET sd)
	+#else
	+_mongoc_socket_setflags (int sd)
	+#endif
	+{
	+#ifdef _WIN32
	+ u_long io_mode = 1;
	+ return (NO_ERROR == ioctlsocket (sd, FIONBIO, &io_mode));
	+#else
	+ int flags;
	+
	+ flags = fcntl (sd, F_GETFL);
	+
	+ if (-1 == fcntl (sd, F_SETFL, (flags \| O_NONBLOCK))) {
	+ return false;
	+ }
	+
	+#ifdef FD_CLOEXEC
	+ flags = fcntl (sd, F_GETFD);
	+ if (-1 == fcntl (sd, F_SETFD, (flags \| FD_CLOEXEC))) {
	+ return false;
	+ }
	+#endif
	+ return true;
	+#endif
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_socket_wait --
	+ *
	+ * A single socket poll helper.
	+ *
	+ * @events: in most cases should be POLLIN or POLLOUT.
	+ *
	+ * @expire_at should be an absolute time at which to expire using
	+ * the monotonic clock (bson_get_monotonic_time(), which is in
	+ * microseconds). Or zero to not block at all. Or -1 to block
	+ * forever.
	+ *
	+ * Returns:
	+ * true if an event matched. otherwise false.
	+ * a timeout will return false.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_socket_wait (mongoc_socket_t sock, / IN */
	+ int events, /* IN */
	+ int64_t expire_at) /* IN */
	+{
	+#ifdef _WIN32
	+ fd_set read_fds;
	+ fd_set write_fds;
	+ fd_set error_fds;
	+ struct timeval timeout_tv;
	+#else
	+ struct pollfd pfd;
	+#endif
	+ int ret;
	+ int timeout;
	+ int64_t now;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (events);
	+
	+#ifdef _WIN32
	+ FD_ZERO (&read_fds);
	+ FD_ZERO (&write_fds);
	+ FD_ZERO (&error_fds);
	+
	+ if (events & POLLIN) {
	+ FD_SET (sock->sd, &read_fds);
	+ }
	+
	+ if (events & POLLOUT) {
	+ FD_SET (sock->sd, &write_fds);
	+ }
	+
	+ FD_SET (sock->sd, &error_fds);
	+#else
	+ pfd.fd = sock->sd;
	+ pfd.events = events \| POLLERR \| POLLHUP;
	+ pfd.revents = 0;
	+#endif
	+ now = bson_get_monotonic_time ();
	+
	+ for (;;) {
	+ if (expire_at < 0) {
	+ timeout = -1;
	+ } else if (expire_at == 0) {
	+ timeout = 0;
	+ } else {
	+ timeout = (int) ((expire_at - now) / 1000L);
	+ if (timeout < 0) {
	+ timeout = 0;
	+ }
	+ }
	+
	+#ifdef _WIN32
	+ if (timeout == -1) {
	+ /* not WSAPoll: daniel.haxx.se/blog/2012/10/10/wsapoll-is-broken */
	+ ret = select (0 /unused/, &read_fds, &write_fds, &error_fds, NULL);
	+ } else {
	+ timeout_tv.tv_sec = timeout / 1000;
	+ timeout_tv.tv_usec = (timeout % 1000) * 1000;
	+ ret = select (
	+ 0 /unused/, &read_fds, &write_fds, &error_fds, &timeout_tv);
	+ }
	+ if (ret == SOCKET_ERROR) {
	+ _mongoc_socket_capture_errno (sock);
	+ ret = -1;
	+ } else if (FD_ISSET (sock->sd, &error_fds)) {
	+ errno = WSAECONNRESET;
	+ ret = -1;
	+ }
	+#else
	+ ret = poll (&pfd, 1, timeout);
	+#endif
	+
	+ if (ret > 0) {
	+/* Something happened, so return that */
	+#ifdef _WIN32
	+ return (FD_ISSET (sock->sd, &read_fds) \|\|
	+ FD_ISSET (sock->sd, &write_fds));
	+#else
	+ RETURN (0 != (pfd.revents & events));
	+#endif
	+ } else if (ret < 0) {
	+ /* poll itself failed */
	+
	+ TRACE ("errno is: %d", errno);
	+ if (MONGOC_ERRNO_IS_AGAIN (errno)) {
	+ if (OPERATION_EXPIRED (expire_at)) {
	+ _mongoc_socket_capture_errno (sock);
	+ RETURN (false);
	+ } else {
	+ continue;
	+ }
	+ } else {
	+ /* poll failed for some non-transient reason */
	+ _mongoc_socket_capture_errno (sock);
	+ RETURN (false);
	+ }
	+ } else {
	+ /* ret == 0, poll timed out */
	+ if (timeout) {
	+ mongoc_counter_streams_timeout_inc ();
	+ }
	+#ifdef _WIN32
	+ sock->errno_ = timeout ? WSAETIMEDOUT : EAGAIN;
	+#else
	+ sock->errno_ = timeout ? ETIMEDOUT : EAGAIN;
	+#endif
	+ RETURN (false);
	+ }
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_poll --
	+ *
	+ * A multi-socket poll helper.
	+ *
	+ * @expire_at should be an absolute time at which to expire using
	+ * the monotonic clock (bson_get_monotonic_time(), which is in
	+ * microseconds). Or zero to not block at all. Or -1 to block
	+ * forever.
	+ *
	+ * Returns:
	+ * The number of sockets ready.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+ssize_t
	+mongoc_socket_poll (mongoc_socket_poll_t sds, / IN */
	+ size_t nsds, /* IN */
	+ int32_t timeout) /* IN */
	+{
	+#ifdef _WIN32
	+ fd_set read_fds;
	+ fd_set write_fds;
	+ fd_set error_fds;
	+ struct timeval timeout_tv;
	+#else
	+ struct pollfd *pfds;
	+#endif
	+ int ret;
	+ int i;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sds);
	+
	+#ifdef _WIN32
	+ FD_ZERO (&read_fds);
	+ FD_ZERO (&write_fds);
	+ FD_ZERO (&error_fds);
	+
	+ for (i = 0; i < nsds; i++) {
	+ if (sds[i].events & POLLIN) {
	+ FD_SET (sds[i].socket->sd, &read_fds);
	+ }
	+
	+ if (sds[i].events & POLLOUT) {
	+ FD_SET (sds[i].socket->sd, &write_fds);
	+ }
	+
	+ FD_SET (sds[i].socket->sd, &error_fds);
	+ }
	+
	+ timeout_tv.tv_sec = timeout / 1000;
	+ timeout_tv.tv_usec = (timeout % 1000) * 1000;
	+
	+ /* not WSAPoll: daniel.haxx.se/blog/2012/10/10/wsapoll-is-broken */
	+ ret = select (0 /unused/, &read_fds, &write_fds, &error_fds, &timeout_tv);
	+ if (ret == SOCKET_ERROR) {
	+ errno = WSAGetLastError ();
	+ return -1;
	+ }
	+
	+ for (i = 0; i < nsds; i++) {
	+ if (FD_ISSET (sds[i].socket->sd, &read_fds)) {
	+ sds[i].revents = POLLIN;
	+ } else if (FD_ISSET (sds[i].socket->sd, &write_fds)) {
	+ sds[i].revents = POLLOUT;
	+ } else if (FD_ISSET (sds[i].socket->sd, &error_fds)) {
	+ sds[i].revents = POLLHUP;
	+ } else {
	+ sds[i].revents = 0;
	+ }
	+ }
	+#else
	+ pfds = (struct pollfd ) bson_malloc (sizeof (pfds) * nsds);
	+
	+ for (i = 0; i < nsds; i++) {
	+ pfds[i].fd = sds[i].socket->sd;
	+ pfds[i].events = sds[i].events \| POLLERR \| POLLHUP;
	+ pfds[i].revents = 0;
	+ }
	+
	+ ret = poll (pfds, nsds, timeout);
	+ for (i = 0; i < nsds; i++) {
	+ sds[i].revents = pfds[i].revents;
	+ }
	+
	+ bson_free (pfds);
	+#endif
	+
	+ return ret;
	+}
	+
	+
	+/* https://jira.mongodb.org/browse/CDRIVER-2176 */
	+#define MONGODB_KEEPALIVEINTVL 10
	+#define MONGODB_KEEPIDLE 120
	+#define MONGODB_KEEPALIVECNT 9
	+
	+#ifdef _WIN32
	+static void
	+_mongoc_socket_setkeepalive_windows (SOCKET sd)
	+{
	+ struct tcp_keepalive keepalive;
	+ DWORD lpcbBytesReturned = 0;
	+ HKEY hKey;
	+ DWORD type;
	+ DWORD data;
	+ DWORD data_size = sizeof data;
	+ const char *reg_key =
	+ "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters";
	+ keepalive.onoff = true;
	+ keepalive.keepalivetime = MONGODB_KEEPIDLE * 1000;
	+ keepalive.keepaliveinterval = MONGODB_KEEPALIVEINTVL * 1000;
	+ /*
	+ * Windows hardcodes probes to 10:
	+ * https://msdn.microsoft.com/en-us/library/windows/desktop/dd877220(v=vs.85).aspx
	+ * "On Windows Vista and later, the number of keep-alive probes (data
	+ * retransmissions) is set to 10 and cannot be changed."
	+ *
	+ * Note that win2k (and seeminly all versions thereafter) do not set the
	+ * registry value by default so there is no way to derive the default value
	+ * programmatically. It is however listed in the docs. A user can however
	+ * change the default value by setting the registry values.
	+ */
	+
	+ if (RegOpenKeyExA (HKEY_LOCAL_MACHINE, reg_key, 0, KEY_QUERY_VALUE, &hKey) ==
	+ ERROR_SUCCESS) {
	+ /* https://technet.microsoft.com/en-us/library/cc957549.aspx */
	+ DWORD default_keepalivetime = 7200000; /* 2 hours */
	+ /* https://technet.microsoft.com/en-us/library/cc957548.aspx */
	+ DWORD default_keepaliveinterval = 1000; /* 1 second */
	+
	+ if (RegQueryValueEx (
	+ hKey, "KeepAliveTime", NULL, &type, (LPBYTE) &data, &data_size) ==
	+ ERROR_SUCCESS) {
	+ if (type == REG_DWORD && data < keepalive.keepalivetime) {
	+ keepalive.keepalivetime = data;
	+ }
	+ } else if (default_keepalivetime < keepalive.keepalivetime) {
	+ keepalive.keepalivetime = default_keepalivetime;
	+ }
	+
	+ if (RegQueryValueEx (hKey,
	+ "KeepAliveInterval",
	+ NULL,
	+ &type,
	+ (LPBYTE) &data,
	+ &data_size) == ERROR_SUCCESS) {
	+ if (type == REG_DWORD && data < keepalive.keepaliveinterval) {
	+ keepalive.keepaliveinterval = data;
	+ }
	+ } else if (default_keepaliveinterval < keepalive.keepaliveinterval) {
	+ keepalive.keepaliveinterval = default_keepaliveinterval;
	+ }
	+ RegCloseKey (hKey);
	+ }
	+ if (WSAIoctl (sd,
	+ SIO_KEEPALIVE_VALS,
	+ &keepalive,
	+ sizeof keepalive,
	+ NULL,
	+ 0,
	+ &lpcbBytesReturned,
	+ NULL,
	+ NULL) == SOCKET_ERROR) {
	+ TRACE ("%s", "Could not set keepalive values");
	+ } else {
	+ TRACE ("%s", "KeepAlive values updated");
	+ TRACE ("KeepAliveTime: %d", keepalive.keepalivetime);
	+ TRACE ("KeepAliveInterval: %d", keepalive.keepaliveinterval);
	+ }
	+}
	+#else
	+
	+static const char *
	+_mongoc_socket_sockopt_value_to_name (int value)
	+{
	+ switch (value) {
	+#ifdef TCP_KEEPIDLE
	+ case TCP_KEEPIDLE:
	+ return "TCP_KEEPIDLE";
	+#endif
	+#ifdef TCP_KEEPALIVE
	+ case TCP_KEEPALIVE:
	+ return "TCP_KEEPALIVE";
	+#endif
	+#ifdef TCP_KEEPINTVL
	+ case TCP_KEEPINTVL:
	+ return "TCP_KEEPINTVL";
	+#endif
	+#ifdef TCP_KEEPCNT
	+ case TCP_KEEPCNT:
	+ return "TCP_KEEPCNT";
	+#endif
	+ default:
	+ MONGOC_WARNING ("Don't know what socketopt %d is", value);
	+ return "Unknown option name";
	+ }
	+}
	+
	+static void
	+_mongoc_socket_set_sockopt_if_less (int sd, int name, int value)
	+{
	+ int optval = 1;
	+ mongoc_socklen_t optlen;
	+
	+ optlen = sizeof optval;
	+ if (getsockopt (sd, IPPROTO_TCP, name, (char *) &optval, &optlen)) {
	+ TRACE ("Getting '%s' failed, errno: %d",
	+ _mongoc_socket_sockopt_value_to_name (name),
	+ errno);
	+ } else {
	+ TRACE ("'%s' is %d, target value is %d",
	+ _mongoc_socket_sockopt_value_to_name (name),
	+ optval,
	+ value);
	+ if (optval > value) {
	+ optval = value;
	+ if (setsockopt (
	+ sd, IPPROTO_TCP, name, (char *) &optval, sizeof optval)) {
	+ TRACE ("Setting '%s' failed, errno: %d",
	+ _mongoc_socket_sockopt_value_to_name (name),
	+ errno);
	+ } else {
	+ TRACE ("'%s' value changed to %d",
	+ _mongoc_socket_sockopt_value_to_name (name),
	+ optval);
	+ }
	+ }
	+ }
	+}
	+
	+static void
	+_mongoc_socket_setkeepalive_nix (int sd)
	+{
	+#if defined(TCP_KEEPIDLE)
	+ _mongoc_socket_set_sockopt_if_less (sd, TCP_KEEPIDLE, MONGODB_KEEPIDLE);
	+#elif defined(TCP_KEEPALIVE)
	+ _mongoc_socket_set_sockopt_if_less (sd, TCP_KEEPALIVE, MONGODB_KEEPIDLE);
	+#else
	+ TRACE ("%s", "Neither TCP_KEEPIDLE nor TCP_KEEPALIVE available");
	+#endif
	+
	+#ifdef TCP_KEEPINTVL
	+ _mongoc_socket_set_sockopt_if_less (
	+ sd, TCP_KEEPINTVL, MONGODB_KEEPALIVEINTVL);
	+#else
	+ TRACE ("%s", "TCP_KEEPINTVL not available");
	+#endif
	+
	+#ifdef TCP_KEEPCNT
	+ _mongoc_socket_set_sockopt_if_less (sd, TCP_KEEPCNT, MONGODB_KEEPALIVECNT);
	+#else
	+ TRACE ("%s", "TCP_KEEPCNT not available");
	+#endif
	+}
	+
	+#endif
	+static void
	+#ifdef _WIN32
	+_mongoc_socket_setkeepalive (SOCKET sd) /* IN */
	+#else
	+_mongoc_socket_setkeepalive (int sd) /* IN */
	+#endif
	+{
	+#ifdef SO_KEEPALIVE
	+ int optval = 1;
	+
	+ ENTRY;
	+#ifdef SO_KEEPALIVE
	+ if (!setsockopt (
	+ sd, SOL_SOCKET, SO_KEEPALIVE, (char *) &optval, sizeof optval)) {
	+ TRACE ("%s", "Setting SO_KEEPALIVE");
	+#ifdef _WIN32
	+ _mongoc_socket_setkeepalive_windows (sd);
	+#else
	+ _mongoc_socket_setkeepalive_nix (sd);
	+#endif
	+ } else {
	+ TRACE ("%s", "Failed setting SO_KEEPALIVE");
	+ }
	+#else
	+ TRACE ("%s", "SO_KEEPALIVE not available");
	+#endif
	+ EXIT;
	+#endif
	+}
	+
	+
	+static bool
	+#ifdef _WIN32
	+_mongoc_socket_setnodelay (SOCKET sd) /* IN */
	+#else
	+_mongoc_socket_setnodelay (int sd) /* IN */
	+#endif
	+{
	+#ifdef _WIN32
	+ BOOL optval = 1;
	+#else
	+ int optval = 1;
	+#endif
	+ int ret;
	+
	+ ENTRY;
	+
	+ errno = 0;
	+ ret = setsockopt (
	+ sd, IPPROTO_TCP, TCP_NODELAY, (char *) &optval, sizeof optval);
	+
	+#ifdef _WIN32
	+ if (ret == SOCKET_ERROR) {
	+ MONGOC_WARNING ("WSAGetLastError(): %d", (int) WSAGetLastError ());
	+ }
	+#endif
	+
	+ RETURN (ret == 0);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_errno --
	+ *
	+ * Returns the last error on the socket.
	+ *
	+ * Returns:
	+ * An integer errno, or 0 on no error.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int
	+mongoc_socket_errno (mongoc_socket_t sock) / IN */
	+{
	+ BSON_ASSERT (sock);
	+ TRACE ("Current errno: %d", sock->errno_);
	+ return sock->errno_;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_socket_errno_is_again --
	+ *
	+ * Check to see if we should attempt to make further progress
	+ * based on the error of the last operation.
	+ *
	+ * Returns:
	+ * true if we should try again. otherwise false.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_socket_errno_is_again (mongoc_socket_t sock) / IN */
	+{
	+ TRACE ("errno is: %d", sock->errno_);
	+ return MONGOC_ERRNO_IS_AGAIN (sock->errno_);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_accept --
	+ *
	+ * Wrapper for BSD socket accept(). Handles portability between
	+ * BSD sockets and WinSock2 on Windows Vista and newer.
	+ *
	+ * Returns:
	+ * NULL upon failure to accept or timeout.
	+ * A newly allocated mongoc_socket_t on success.
	+ *
	+ * Side effects:
	+ * *port contains the client port number.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_socket_t *
	+mongoc_socket_accept (mongoc_socket_t sock, / IN */
	+ int64_t expire_at) /* IN */
	+{
	+ return mongoc_socket_accept_ex (sock, expire_at, NULL);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_accept_ex --
	+ *
	+ * Private synonym for mongoc_socket_accept, returning client port.
	+ *
	+ * Returns:
	+ * NULL upon failure to accept or timeout.
	+ * A newly allocated mongoc_socket_t on success.
	+ *
	+ * Side effects:
	+ * *port contains the client port number.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_socket_t *
	+mongoc_socket_accept_ex (mongoc_socket_t sock, / IN */
	+ int64_t expire_at, /* IN */
	+ uint16_t port) / OUT */
	+{
	+ mongoc_socket_t *client;
	+ struct sockaddr_storage addr = {0};
	+ mongoc_socklen_t addrlen = sizeof addr;
	+ bool try_again = false;
	+ bool failed = false;
	+#ifdef _WIN32
	+ SOCKET sd;
	+#else
	+ int sd;
	+#endif
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+
	+again:
	+ errno = 0;
	+ sd = accept (sock->sd, (mongoc_sockaddr_t *) &addr, &addrlen);
	+
	+ _mongoc_socket_capture_errno (sock);
	+#ifdef _WIN32
	+ failed = (sd == INVALID_SOCKET);
	+#else
	+ failed = (sd == -1);
	+#endif
	+ try_again = (failed && _mongoc_socket_errno_is_again (sock));
	+
	+ if (failed && try_again) {
	+ if (_mongoc_socket_wait (sock, POLLIN, expire_at)) {
	+ GOTO (again);
	+ }
	+ RETURN (NULL);
	+ } else if (failed) {
	+ RETURN (NULL);
	+ } else if (!_mongoc_socket_setflags (sd)) {
	+#ifdef _WIN32
	+ closesocket (sd);
	+#else
	+ close (sd);
	+#endif
	+ RETURN (NULL);
	+ }
	+
	+ client = (mongoc_socket_t ) bson_malloc0 (sizeof client);
	+ client->sd = sd;
	+
	+ if (port) {
	+ if (addr.ss_family == AF_INET) {
	+ struct sockaddr_in tmp = (struct sockaddr_in ) &addr;
	+ *port = ntohs (tmp->sin_port);
	+ } else {
	+ struct sockaddr_in6 tmp = (struct sockaddr_in6 ) &addr;
	+ *port = ntohs (tmp->sin6_port);
	+ }
	+ }
	+
	+ if (!_mongoc_socket_setnodelay (client->sd)) {
	+ MONGOC_WARNING ("Failed to enable TCP_NODELAY.");
	+ }
	+
	+ RETURN (client);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongo_socket_bind --
	+ *
	+ * A wrapper around bind().
	+ *
	+ * Returns:
	+ * 0 on success, -1 on failure and errno is set.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int
	+mongoc_socket_bind (mongoc_socket_t sock, / IN */
	+ const struct sockaddr addr, / IN */
	+ mongoc_socklen_t addrlen) /* IN */
	+{
	+ int ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (addr);
	+ BSON_ASSERT (addrlen);
	+
	+ ret = bind (sock->sd, addr, addrlen);
	+
	+ _mongoc_socket_capture_errno (sock);
	+
	+ RETURN (ret);
	+}
	+
	+
	+int
	+mongoc_socket_close (mongoc_socket_t sock) / IN */
	+{
	+ bool owned;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+
	+#ifdef _WIN32
	+ owned = (sock->pid == (int) _getpid ());
	+
	+ if (sock->sd != INVALID_SOCKET) {
	+ if (owned) {
	+ shutdown (sock->sd, SD_BOTH);
	+ }
	+
	+ if (0 == closesocket (sock->sd)) {
	+ sock->sd = INVALID_SOCKET;
	+ } else {
	+ _mongoc_socket_capture_errno (sock);
	+ RETURN (-1);
	+ }
	+ }
	+ RETURN (0);
	+#else
	+ owned = (sock->pid == (int) getpid ());
	+
	+ if (sock->sd != -1) {
	+ if (owned) {
	+ shutdown (sock->sd, SHUT_RDWR);
	+ }
	+
	+ if (0 == close (sock->sd)) {
	+ sock->sd = -1;
	+ } else {
	+ _mongoc_socket_capture_errno (sock);
	+ RETURN (-1);
	+ }
	+ }
	+ RETURN (0);
	+#endif
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_connect --
	+ *
	+ * Performs a socket connection but will fail if @expire_at is
	+ * reached by the monotonic clock.
	+ *
	+ * Returns:
	+ * 0 if success, otherwise -1 and errno is set.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int
	+mongoc_socket_connect (mongoc_socket_t sock, / IN */
	+ const struct sockaddr addr, / IN */
	+ mongoc_socklen_t addrlen, /* IN */
	+ int64_t expire_at) /* IN */
	+{
	+ bool try_again = false;
	+ bool failed = false;
	+ int ret;
	+ int optval;
	+ /* getsockopt parameter types vary, we check in CheckCompiler.m4 */
	+ mongoc_socklen_t optlen = (mongoc_socklen_t) sizeof optval;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (addr);
	+ BSON_ASSERT (addrlen);
	+
	+ ret = connect (sock->sd, addr, addrlen);
	+
	+#ifdef _WIN32
	+ if (ret == SOCKET_ERROR) {
	+#else
	+ if (ret == -1) {
	+#endif
	+ _mongoc_socket_capture_errno (sock);
	+
	+ failed = true;
	+ try_again = _mongoc_socket_errno_is_again (sock);
	+ }
	+
	+ if (failed && try_again) {
	+ if (_mongoc_socket_wait (sock, POLLOUT, expire_at)) {
	+ optval = -1;
	+ ret = getsockopt (
	+ sock->sd, SOL_SOCKET, SO_ERROR, (char *) &optval, &optlen);
	+ if ((ret == 0) && (optval == 0)) {
	+ RETURN (0);
	+ } else {
	+ errno = sock->errno_ = optval;
	+ }
	+ }
	+ RETURN (-1);
	+ } else if (failed) {
	+ RETURN (-1);
	+ } else {
	+ RETURN (0);
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_destroy --
	+ *
	+ * Cleanup after a mongoc_socket_t structure, possibly closing
	+ * underlying sockets.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * @sock is freed and should be considered invalid.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_socket_destroy (mongoc_socket_t sock) / IN */
	+{
	+ if (sock) {
	+ mongoc_socket_close (sock);
	+ bson_free (sock);
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_listen --
	+ *
	+ * Listen for incoming requests with a backlog up to @backlog.
	+ *
	+ * If @backlog is zero, a sensible default will be chosen.
	+ *
	+ * Returns:
	+ * true if successful; otherwise false.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int
	+mongoc_socket_listen (mongoc_socket_t sock, / IN */
	+ unsigned int backlog) /* IN */
	+{
	+ int ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+
	+ if (backlog == 0) {
	+ backlog = 10;
	+ }
	+
	+ ret = listen (sock->sd, backlog);
	+
	+ _mongoc_socket_capture_errno (sock);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_new --
	+ *
	+ * Create a new socket and store the current process id on it.
	+ *
	+ * Free the result with mongoc_socket_destroy().
	+ *
	+ * Returns:
	+ * A newly allocated socket.
	+ * NULL on failure.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_socket_t *
	+mongoc_socket_new (int domain, /* IN */
	+ int type, /* IN */
	+ int protocol) /* IN */
	+{
	+ mongoc_socket_t *sock;
	+#ifdef _WIN32
	+ SOCKET sd;
	+#else
	+ int sd;
	+#endif
	+#ifdef SO_NOSIGPIPE
	+ int on = 1;
	+#endif
	+
	+ ENTRY;
	+
	+ sd = socket (domain, type, protocol);
	+
	+#ifdef _WIN32
	+ if (sd == INVALID_SOCKET) {
	+#else
	+ if (sd == -1) {
	+#endif
	+ RETURN (NULL);
	+ }
	+
	+ if (!_mongoc_socket_setflags (sd)) {
	+ GOTO (fail);
	+ }
	+
	+ if (domain != AF_UNIX) {
	+ if (!_mongoc_socket_setnodelay (sd)) {
	+ MONGOC_WARNING ("Failed to enable TCP_NODELAY.");
	+ }
	+ _mongoc_socket_setkeepalive (sd);
	+ }
	+
	+ /* Set SO_NOSIGPIPE, to ignore SIGPIPE on writes for platforms where
	+ setting MSG_NOSIGNAL on writes is not supported (primarily OSX). */
	+#ifdef SO_NOSIGPIPE
	+ setsockopt(sd, SOL_SOCKET, SO_NOSIGPIPE, &on, sizeof(on));
	+#endif
	+
	+ sock = (mongoc_socket_t ) bson_malloc0 (sizeof sock);
	+ sock->sd = sd;
	+ sock->domain = domain;
	+#ifdef _WIN32
	+ sock->pid = (int) _getpid ();
	+#else
	+ sock->pid = (int) getpid ();
	+#endif
	+
	+ RETURN (sock);
	+
	+fail:
	+#ifdef _WIN32
	+ closesocket (sd);
	+#else
	+ close (sd);
	+#endif
	+
	+ RETURN (NULL);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_recv --
	+ *
	+ * A portable wrapper around recv() that also respects an absolute
	+ * timeout.
	+ *
	+ * @expire_at is 0 for no blocking, -1 for infinite blocking,
	+ * or a time using the monotonic clock to expire. Calculate this
	+ * using bson_get_monotonic_time() + N_MICROSECONDS.
	+ *
	+ * Returns:
	+ * The number of bytes received on success.
	+ * 0 on end of stream.
	+ * -1 on failure.
	+ *
	+ * Side effects:
	+ * @buf will be read into.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+ssize_t
	+mongoc_socket_recv (mongoc_socket_t sock, / IN */
	+ void buf, / OUT */
	+ size_t buflen, /* IN */
	+ int flags, /* IN */
	+ int64_t expire_at) /* IN */
	+{
	+ ssize_t ret = 0;
	+ bool failed = false;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (buf);
	+ BSON_ASSERT (buflen);
	+
	+again:
	+ sock->errno_ = 0;
	+#ifdef _WIN32
	+ ret = recv (sock->sd, (char *) buf, (int) buflen, flags);
	+ failed = (ret == SOCKET_ERROR);
	+#else
	+ ret = recv (sock->sd, buf, buflen, flags);
	+ failed = (ret == -1);
	+#endif
	+ if (failed) {
	+ _mongoc_socket_capture_errno (sock);
	+ if (_mongoc_socket_errno_is_again (sock) &&
	+ _mongoc_socket_wait (sock, POLLIN, expire_at)) {
	+ GOTO (again);
	+ }
	+ }
	+
	+ if (failed) {
	+ RETURN (-1);
	+ }
	+
	+ mongoc_counter_streams_ingress_add (ret);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_setsockopt --
	+ *
	+ * A wrapper around setsockopt().
	+ *
	+ * Returns:
	+ * 0 on success, -1 on failure.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int
	+mongoc_socket_setsockopt (mongoc_socket_t sock, / IN */
	+ int level, /* IN */
	+ int optname, /* IN */
	+ const void optval, / IN */
	+ mongoc_socklen_t optlen) /* IN */
	+{
	+ int ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+
	+ ret = setsockopt (sock->sd, level, optname, optval, optlen);
	+
	+ _mongoc_socket_capture_errno (sock);
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_send --
	+ *
	+ * A simplified wrapper around mongoc_socket_sendv().
	+ *
	+ * @expire_at is 0 for no blocking, -1 for infinite blocking,
	+ * or a time using the monotonic clock to expire. Calculate this
	+ * using bson_get_monotonic_time() + N_MICROSECONDS.
	+ *
	+ * Returns:
	+ * -1 on failure. number of bytes written on success.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+ssize_t
	+mongoc_socket_send (mongoc_socket_t sock, / IN */
	+ const void buf, / IN */
	+ size_t buflen, /* IN */
	+ int64_t expire_at) /* IN */
	+{
	+ mongoc_iovec_t iov;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (buf);
	+ BSON_ASSERT (buflen);
	+
	+ iov.iov_base = (void *) buf;
	+ iov.iov_len = buflen;
	+
	+ return mongoc_socket_sendv (sock, &iov, 1, expire_at);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_socket_try_sendv_slow --
	+ *
	+ * A slow variant of _mongoc_socket_try_sendv() that sends each
	+ * iovec entry one by one. This can happen if we hit EMSGSIZE
	+ * with sendmsg() on various POSIX systems or WSASend()+WSAEMSGSIZE
	+ * on Windows.
	+ *
	+ * Returns:
	+ * the number of bytes sent or -1 and errno is set.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static ssize_t
	+_mongoc_socket_try_sendv_slow (mongoc_socket_t sock, / IN */
	+ mongoc_iovec_t iov, / IN */
	+ size_t iovcnt) /* IN */
	+{
	+ ssize_t ret = 0;
	+ size_t i;
	+ ssize_t wrote;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (iov);
	+ BSON_ASSERT (iovcnt);
	+
	+ for (i = 0; i < iovcnt; i++) {
	+ wrote = send (sock->sd, iov[i].iov_base, iov[i].iov_len, 0);
	+#ifdef _WIN32
	+ if (wrote == SOCKET_ERROR) {
	+#else
	+ if (wrote == -1) {
	+#endif
	+ _mongoc_socket_capture_errno (sock);
	+
	+ if (!_mongoc_socket_errno_is_again (sock)) {
	+ RETURN (-1);
	+ }
	+ RETURN (ret ? ret : -1);
	+ }
	+
	+ ret += wrote;
	+
	+ if (wrote != iov[i].iov_len) {
	+ RETURN (ret);
	+ }
	+ }
	+
	+ RETURN (ret);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_socket_try_sendv --
	+ *
	+ * Helper used by mongoc_socket_sendv() to try to write as many
	+ * bytes to the underlying socket until the socket buffer is full.
	+ *
	+ * This is performed in a non-blocking fashion.
	+ *
	+ * Returns:
	+ * -1 on failure. the number of bytes written on success.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static ssize_t
	+_mongoc_socket_try_sendv (mongoc_socket_t sock, / IN */
	+ mongoc_iovec_t iov, / IN */
	+ size_t iovcnt) /* IN */
	+{
	+#ifdef _WIN32
	+ DWORD dwNumberofBytesSent = 0;
	+ int ret;
	+#else
	+ struct msghdr msg;
	+ ssize_t ret;
	+#endif
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (iov);
	+ BSON_ASSERT (iovcnt);
	+
	+ DUMP_IOVEC (sendbuf, iov, iovcnt);
	+
	+#ifdef _WIN32
	+ ret = WSASend (
	+ sock->sd, (LPWSABUF) iov, iovcnt, &dwNumberofBytesSent, 0, NULL, NULL);
	+ TRACE ("WSASend sent: %ld (out of: %ld), ret: %d",
	+ dwNumberofBytesSent,
	+ iov->iov_len,
	+ ret);
	+#else
	+ memset (&msg, 0, sizeof msg);
	+ msg.msg_iov = iov;
	+ msg.msg_iovlen = (int) iovcnt;
	+ ret = sendmsg (sock->sd,
	+ &msg,
	+#ifdef MSG_NOSIGNAL
	+ MSG_NOSIGNAL);
	+#else
	+ 0);
	+#endif
	+ TRACE ("Send %ld out of %ld bytes", ret, iov->iov_len);
	+#endif
	+
	+
	+#ifdef _WIN32
	+ if (ret == SOCKET_ERROR) {
	+#else
	+ if (ret == -1) {
	+#endif
	+ _mongoc_socket_capture_errno (sock);
	+
	+/*
	+ * Check to see if we have sent an iovec too large for sendmsg to
	+ * complete. If so, we need to fallback to the slow path of multiple
	+ * send() commands.
	+ */
	+#ifdef _WIN32
	+ if (mongoc_socket_errno (sock) == WSAEMSGSIZE) {
	+#else
	+ if (mongoc_socket_errno (sock) == EMSGSIZE) {
	+#endif
	+ RETURN (_mongoc_socket_try_sendv_slow (sock, iov, iovcnt));
	+ }
	+
	+ RETURN (-1);
	+ }
	+
	+#ifdef _WIN32
	+ RETURN (dwNumberofBytesSent);
	+#else
	+ RETURN (ret);
	+#endif
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_sendv --
	+ *
	+ * A wrapper around using sendmsg() to send an iovec.
	+ * This also deals with the structure differences between
	+ * WSABUF and struct iovec.
	+ *
	+ * @expire_at is 0 for no blocking, -1 for infinite blocking,
	+ * or a time using the monotonic clock to expire. Calculate this
	+ * using bson_get_monotonic_time() + N_MICROSECONDS.
	+ *
	+ * Returns:
	+ * -1 on failure.
	+ * the number of bytes written on success.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+ssize_t
	+mongoc_socket_sendv (mongoc_socket_t sock, / IN */
	+ mongoc_iovec_t in_iov, / IN */
	+ size_t iovcnt, /* IN */
	+ int64_t expire_at) /* IN */
	+{
	+ ssize_t ret = 0;
	+ ssize_t sent;
	+ size_t cur = 0;
	+ mongoc_iovec_t *iov;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+ BSON_ASSERT (in_iov);
	+ BSON_ASSERT (iovcnt);
	+
	+ iov = bson_malloc (sizeof (iov) iovcnt);
	+ memcpy (iov, in_iov, sizeof (iov) iovcnt);
	+
	+ for (;;) {
	+ sent = _mongoc_socket_try_sendv (sock, &iov[cur], iovcnt - cur);
	+ TRACE (
	+ "Sent %ld (of %ld) out of iovcnt=%ld", sent, iov[cur].iov_len, iovcnt);
	+
	+ /*
	+ * If we failed with anything other than EAGAIN or EWOULDBLOCK,
	+ * we should fail immediately as there is another issue with the
	+ * underlying socket.
	+ */
	+ if (sent == -1) {
	+ if (!_mongoc_socket_errno_is_again (sock)) {
	+ ret = -1;
	+ GOTO (CLEANUP);
	+ }
	+ }
	+
	+ /*
	+ * Update internal stream counters.
	+ */
	+ if (sent > 0) {
	+ ret += sent;
	+ mongoc_counter_streams_egress_add (sent);
	+
	+ /*
	+ * Subtract the sent amount from what we still need to send.
	+ */
	+ while ((cur < iovcnt) && (sent >= (ssize_t) iov[cur].iov_len)) {
	+ TRACE ("still got bytes left: sent -= iov_len: %ld -= %ld",
	+ sent,
	+ iov[cur].iov_len);
	+ sent -= iov[cur++].iov_len;
	+ }
	+
	+ /*
	+ * Check if that made us finish all of the iovecs. If so, we are done
	+ * sending data over the socket.
	+ */
	+ if (cur == iovcnt) {
	+ TRACE ("%s", "Finished the iovecs");
	+ break;
	+ }
	+
	+ /*
	+ * Increment the current iovec buffer to its proper offset and adjust
	+ * the number of bytes to write.
	+ */
	+ TRACE ("Seeked io_base+%ld", sent);
	+ TRACE (
	+ "Subtracting iov_len -= sent; %ld -= %ld", iov[cur].iov_len, sent);
	+ iov[cur].iov_base = ((char *) iov[cur].iov_base) + sent;
	+ iov[cur].iov_len -= sent;
	+ TRACE ("iov_len remaining %ld", iov[cur].iov_len);
	+
	+ BSON_ASSERT (iovcnt - cur);
	+ BSON_ASSERT (iov[cur].iov_len);
	+ } else if (OPERATION_EXPIRED (expire_at)) {
	+ if (expire_at > 0) {
	+ mongoc_counter_streams_timeout_inc ();
	+ }
	+ GOTO (CLEANUP);
	+ }
	+
	+ /*
	+ * Block on poll() until our desired condition is met.
	+ */
	+ if (!_mongoc_socket_wait (sock, POLLOUT, expire_at)) {
	+ GOTO (CLEANUP);
	+ }
	+ }
	+
	+CLEANUP:
	+ bson_free (iov);
	+
	+ RETURN (ret);
	+}
	+
	+
	+int
	+mongoc_socket_getsockname (mongoc_socket_t sock, / IN */
	+ struct sockaddr addr, / OUT */
	+ mongoc_socklen_t addrlen) / INOUT */
	+{
	+ int ret;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+
	+ ret = getsockname (sock->sd, addr, addrlen);
	+
	+ _mongoc_socket_capture_errno (sock);
	+
	+ RETURN (ret);
	+}
	+
	+
	+char *
	+mongoc_socket_getnameinfo (mongoc_socket_t sock) / IN */
	+{
	+ /* getpeername parameter types vary, we check in CheckCompiler.m4 */
	+ struct sockaddr_storage addr;
	+ mongoc_socklen_t len = (mongoc_socklen_t) sizeof addr;
	+ char *ret;
	+ char host[BSON_HOST_NAME_MAX + 1];
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (sock);
	+
	+ if (getpeername (sock->sd, (struct sockaddr *) &addr, &len)) {
	+ RETURN (NULL);
	+ }
	+
	+ if (getnameinfo (
	+ (struct sockaddr *) &addr, len, host, sizeof host, NULL, 0, 0)) {
	+ RETURN (NULL);
	+ }
	+
	+ ret = bson_strdup (host);
	+ RETURN (ret);
	+}
	+
	+
	+bool
	+mongoc_socket_check_closed (mongoc_socket_t sock) / IN */
	+{
	+ bool closed = false;
	+ char buf[1];
	+ ssize_t r;
	+
	+ if (_mongoc_socket_wait (sock, POLLIN, 0)) {
	+ sock->errno_ = 0;
	+
	+ r = recv (sock->sd, buf, 1, MSG_PEEK);
	+
	+ if (r < 0) {
	+ _mongoc_socket_capture_errno (sock);
	+ }
	+
	+ if (r < 1) {
	+ closed = true;
	+ }
	+ }
	+
	+ return closed;
	+}
	+
	+/*
	+ *
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_socket_inet_ntop --
	+ *
	+ * Convert the ip from addrinfo into a c string.
	+ *
	+ * Returns:
	+ * The value is returned into 'buffer'. The memory has to be allocated
	+ * by the caller
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_socket_inet_ntop (struct addrinfo rp, / IN */
	+ char buf, / INOUT */
	+ size_t buflen) /* IN */
	+{
	+ void *ptr;
	+ char tmp[256];
	+
	+ switch (rp->ai_family) {
	+ case AF_INET:
	+ ptr = &((struct sockaddr_in *) rp->ai_addr)->sin_addr;
	+ inet_ntop (rp->ai_family, ptr, tmp, sizeof (tmp));
	+ bson_snprintf (buf, buflen, "ipv4 %s", tmp);
	+ break;
	+ case AF_INET6:
	+ ptr = &((struct sockaddr_in6 *) rp->ai_addr)->sin6_addr;
	+ inet_ntop (rp->ai_family, ptr, tmp, sizeof (tmp));
	+ bson_snprintf (buf, buflen, "ipv6 %s", tmp);
	+ break;
	+ default:
	+ bson_snprintf (buf, buflen, "unknown ip %d", rp->ai_family);
	+ break;
	+ }
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-socket.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ssl.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-sspi.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-buffered.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-file.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-download.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs-upload.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-gridfs.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-socket.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-libressl.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-bio.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-openssl.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-channel.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls-secure-transport.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream-tls.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-stream.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-thread-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-thread-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-thread-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-thread-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-timeout.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-background-monitoring.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-apm.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-private.h
	new file mode 100644
	index 00000000..3a12b103
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description-private.h
	@@ -0,0 +1,197 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_TOPOLOGY_DESCRIPTION_PRIVATE_H
	+#define MONGOC_TOPOLOGY_DESCRIPTION_PRIVATE_H
	+
	+#include "mongoc-set-private.h"
	+#include "mongoc-server-description.h"
	+#include "mongoc-array-private.h"
	+#include "mongoc-topology-description.h"
	+#include "mongoc-apm-private.h"
	+
	+
	+typedef enum {
	+ MONGOC_TOPOLOGY_UNKNOWN,
	+ MONGOC_TOPOLOGY_SHARDED,
	+ MONGOC_TOPOLOGY_RS_NO_PRIMARY,
	+ MONGOC_TOPOLOGY_RS_WITH_PRIMARY,
	+ MONGOC_TOPOLOGY_SINGLE,
	+ MONGOC_TOPOLOGY_LOAD_BALANCED,
	+ MONGOC_TOPOLOGY_DESCRIPTION_TYPES
	+} mongoc_topology_description_type_t;
	+
	+struct _mongoc_topology_description_t {
	+ bson_oid_t topology_id;
	+ bool opened;
	+ mongoc_topology_description_type_t type;
	+ int64_t heartbeat_msec;
	+ mongoc_set_t *_servers_;
	+ char *set_name;
	+ int64_t max_set_version;
	+ bson_oid_t max_election_id;
	+ bson_error_t compatibility_error;
	+ uint32_t max_server_id;
	+ int32_t max_hosts; /* srvMaxHosts */
	+ bool stale;
	+ unsigned int rand_seed;
	+
	+ /* the greatest seen cluster time, for a MongoDB 3.6+ sharded cluster.
	+ * see Driver Sessions Spec. */
	+ bson_t cluster_time;
	+
	+ /* smallest seen logicalSessionTimeoutMinutes, or -1 if any server has no
	+ * logicalSessionTimeoutMinutes. see Server Discovery and Monitoring Spec */
	+ int64_t session_timeout_minutes;
	+
	+ mongoc_apm_callbacks_t apm_callbacks;
	+ void *apm_context;
	+};
	+
	+typedef enum {
	+ MONGOC_SS_READ,
	+ MONGOC_SS_WRITE,
	+ MONGOC_SS_AGGREGATE_WITH_WRITE
	+} mongoc_ss_optype_t;
	+
	+void
	+mongoc_topology_description_init (mongoc_topology_description_t *description,
	+ int64_t heartbeat_msec);
	+
	+
	+/**
	+ * @brief Get a pointer to the set of server descriptions in the topology
	+ * description.
	+ */
	+static BSON_INLINE mongoc_set_t *
	+mc_tpld_servers (mongoc_topology_description_t *tpld)
	+{
	+ BSON_ASSERT_PARAM (tpld);
	+ return tpld->_servers_;
	+}
	+
	+static BSON_INLINE const mongoc_set_t *
	+mc_tpld_servers_const (const mongoc_topology_description_t *tpld)
	+{
	+ BSON_ASSERT_PARAM (tpld);
	+ return tpld->_servers_;
	+}
	+
	+void
	+_mongoc_topology_description_copy_to (const mongoc_topology_description_t *src,
	+ mongoc_topology_description_t *dst);
	+
	+void
	+mongoc_topology_description_cleanup (
	+ mongoc_topology_description_t *description);
	+
	+void
	+mongoc_topology_description_handle_hello (
	+ mongoc_topology_description_t *topology,
	+ uint32_t server_id,
	+ const bson_t *hello_response,
	+ int64_t rtt_msec,
	+ const bson_error_t error / IN */);
	+
	+mongoc_server_description_t const *
	+mongoc_topology_description_select (
	+ const mongoc_topology_description_t *description,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_pref,
	+ bool *must_use_primary,
	+ int64_t local_threshold_ms);
	+
	+mongoc_server_description_t *
	+mongoc_topology_description_server_by_id (
	+ mongoc_topology_description_t *description,
	+ uint32_t id,
	+ bson_error_t *error);
	+
	+const mongoc_server_description_t *
	+mongoc_topology_description_server_by_id_const (
	+ const mongoc_topology_description_t *description,
	+ uint32_t id,
	+ bson_error_t *error);
	+
	+int32_t
	+mongoc_topology_description_lowest_max_wire_version (
	+ const mongoc_topology_description_t *td);
	+
	+bool
	+mongoc_topology_description_all_sds_have_write_date (
	+ const mongoc_topology_description_t *td);
	+
	+bool
	+_mongoc_topology_description_validate_max_staleness (
	+ const mongoc_topology_description_t *td,
	+ int64_t max_staleness_seconds,
	+ bson_error_t *error);
	+
	+void
	+mongoc_topology_description_suitable_servers (
	+ mongoc_array_t set, / OUT */
	+ mongoc_ss_optype_t optype,
	+ const mongoc_topology_description_t *topology,
	+ const mongoc_read_prefs_t *read_pref,
	+ bool *must_use_primary,
	+ size_t local_threshold_ms);
	+
	+bool
	+mongoc_topology_description_has_data_node (
	+ const mongoc_topology_description_t *td);
	+
	+void
	+mongoc_topology_description_invalidate_server (
	+ mongoc_topology_description_t *topology,
	+ uint32_t id,
	+ const bson_error_t error / IN */);
	+
	+bool
	+mongoc_topology_description_add_server (mongoc_topology_description_t *topology,
	+ const char *server,
	+ uint32_t id / OUT */);
	+
	+void
	+mongoc_topology_description_update_cluster_time (
	+ mongoc_topology_description_t td, const bson_t reply);
	+
	+void
	+mongoc_topology_description_reconcile (mongoc_topology_description_t *td,
	+ mongoc_host_list_t *host_list);
	+
	+/**
	+ * @brief Invalidate open connnections to a server.
	+ *
	+ * Pooled clients with open connections will discover the invalidation
	+ * the next time they fetch a stream to the server.
	+ *
	+ * @param td The topology description that will be updated.
	+ * @param server_id The ID of the server to invalidate.
	+ * @param service_id A service ID for load-balanced deployments. Use
	+ * kZeroServiceID if not applicable.
	+ *
	+ * @note Not applicable to single-threaded clients, which only maintain a
	+ * single connection per server and therefore have no connection pool.
	+ */
	+void
	+_mongoc_topology_description_clear_connection_pool (
	+ mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ const bson_oid_t *service_id);
	+
	+#endif /* MONGOC_TOPOLOGY_DESCRIPTION_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.c
	new file mode 100644
	index 00000000..6b54bf04
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.c
	@@ -0,0 +1,2556 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-array-private.h"
	+#include "mongoc-error.h"
	+#include "mongoc-server-description-private.h"
	+#include "mongoc-topology-description-apm-private.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-read-prefs-private.h"
	+#include "mongoc-set-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-thread-private.h"
	+#include "mongoc-host-list-private.h"
	+#include "utlist.h"
	+
	+
	+static bool
	+_is_data_node (const mongoc_server_description_t *sd)
	+{
	+ switch (sd->type) {
	+ case MONGOC_SERVER_MONGOS:
	+ case MONGOC_SERVER_STANDALONE:
	+ case MONGOC_SERVER_RS_SECONDARY:
	+ case MONGOC_SERVER_RS_PRIMARY:
	+ case MONGOC_SERVER_LOAD_BALANCER:
	+ return true;
	+ case MONGOC_SERVER_RS_OTHER:
	+ case MONGOC_SERVER_RS_ARBITER:
	+ case MONGOC_SERVER_UNKNOWN:
	+ case MONGOC_SERVER_POSSIBLE_PRIMARY:
	+ case MONGOC_SERVER_RS_GHOST:
	+ case MONGOC_SERVER_DESCRIPTION_TYPES:
	+ default:
	+ return false;
	+ }
	+}
	+
	+
	+static void
	+_mongoc_topology_server_dtor (void server_, void ctx_)
	+{
	+ mongoc_server_description_destroy ((mongoc_server_description_t *) server_);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_init --
	+ *
	+ * Initialize the given topology description
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+mongoc_topology_description_init (mongoc_topology_description_t *description,
	+ int64_t heartbeat_msec)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (description);
	+
	+ memset (description, 0, sizeof (*description));
	+
	+ bson_oid_init (&description->topology_id, NULL);
	+ description->opened = false;
	+ description->type = MONGOC_TOPOLOGY_UNKNOWN;
	+ description->heartbeat_msec = heartbeat_msec;
	+ description->_servers_ =
	+ mongoc_set_new (8, _mongoc_topology_server_dtor, NULL);
	+ description->set_name = NULL;
	+ description->max_set_version = MONGOC_NO_SET_VERSION;
	+ description->stale = true;
	+ description->rand_seed = (unsigned int) bson_get_monotonic_time ();
	+ bson_init (&description->cluster_time);
	+ description->session_timeout_minutes = MONGOC_NO_SESSIONS;
	+
	+ EXIT;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_copy_to --
	+ *
	+ * Deep-copy @src to an uninitialized topology description @dst.
	+ * @dst must not already point to any allocated resources. Clean
	+ * up with mongoc_topology_description_cleanup.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_mongoc_topology_description_copy_to (const mongoc_topology_description_t *src,
	+ mongoc_topology_description_t *dst)
	+{
	+ size_t nitems;
	+ size_t i;
	+ const mongoc_server_description_t *sd;
	+ uint32_t id;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (src);
	+ BSON_ASSERT (dst);
	+
	+ bson_oid_copy (&src->topology_id, &dst->topology_id);
	+ bson_oid_copy (&src->max_election_id, &dst->max_election_id);
	+ dst->opened = src->opened;
	+ dst->type = src->type;
	+ dst->heartbeat_msec = src->heartbeat_msec;
	+ dst->rand_seed = src->rand_seed;
	+
	+ nitems = bson_next_power_of_two (mc_tpld_servers_const (src)->items_len);
	+ dst->_servers_ = mongoc_set_new (nitems, _mongoc_topology_server_dtor, NULL);
	+ for (i = 0; i < mc_tpld_servers_const (src)->items_len; i++) {
	+ sd = mongoc_set_get_item_and_id_const (
	+ mc_tpld_servers_const (src), (int) i, &id);
	+ mongoc_set_add (
	+ mc_tpld_servers (dst), id, mongoc_server_description_new_copy (sd));
	+ }
	+
	+ dst->set_name = bson_strdup (src->set_name);
	+ dst->max_set_version = src->max_set_version;
	+ memcpy (&dst->compatibility_error,
	+ &src->compatibility_error,
	+ sizeof (bson_error_t));
	+ dst->max_server_id = src->max_server_id;
	+ dst->max_hosts = src->max_hosts;
	+ dst->stale = src->stale;
	+ memcpy (&dst->apm_callbacks,
	+ &src->apm_callbacks,
	+ sizeof (mongoc_apm_callbacks_t));
	+
	+ dst->apm_context = src->apm_context;
	+
	+ bson_copy_to (&src->cluster_time, &dst->cluster_time);
	+
	+ dst->session_timeout_minutes = src->session_timeout_minutes;
	+
	+ EXIT;
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_new_copy --
	+ *
	+ * Allocates a new topology description and deep-copies @description to it
	+ * using _mongoc_topology_description_copy_to.
	+ *
	+ * Returns:
	+ * A copy of a topology description that you must destroy with
	+ * mongoc_topology_description_destroy, or NULL if @description is NULL.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+mongoc_topology_description_t *
	+mongoc_topology_description_new_copy (
	+ const mongoc_topology_description_t *description)
	+{
	+ mongoc_topology_description_t *copy;
	+
	+ if (!description) {
	+ return NULL;
	+ }
	+
	+ copy = (mongoc_topology_description_t ) bson_malloc0 (sizeof (copy));
	+
	+ _mongoc_topology_description_copy_to (description, copy);
	+
	+ return copy;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_cleanup --
	+ *
	+ * Destroy allocated resources within @description but don't free it.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+mongoc_topology_description_cleanup (mongoc_topology_description_t *description)
	+{
	+ ENTRY;
	+
	+ BSON_ASSERT (description);
	+
	+ if (mc_tpld_servers (description)) {
	+ mongoc_set_destroy (mc_tpld_servers (description));
	+ }
	+
	+ if (description->set_name) {
	+ bson_free (description->set_name);
	+ }
	+
	+ bson_destroy (&description->cluster_time);
	+
	+ EXIT;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_destroy --
	+ *
	+ * Destroy allocated resources within @description and free
	+ * @description.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+mongoc_topology_description_destroy (mongoc_topology_description_t *description)
	+{
	+ ENTRY;
	+
	+ if (!description) {
	+ EXIT;
	+ }
	+
	+ mongoc_topology_description_cleanup (description);
	+ bson_free (description);
	+
	+ EXIT;
	+}
	+
	+/* find the primary, then stop iterating */
	+static bool
	+_mongoc_topology_description_has_primary_cb (const void *item,
	+ void ctx / OUT */)
	+{
	+ const mongoc_server_description_t *server = item;
	+ const mongoc_server_description_t **primary = ctx;
	+
	+ /* TODO should this include MONGOS? */
	+ if (server->type == MONGOC_SERVER_RS_PRIMARY \|\|
	+ server->type == MONGOC_SERVER_STANDALONE) {
	+ primary = (mongoc_server_description_t ) item;
	+ return false;
	+ }
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_has_primary --
	+ *
	+ * If topology has a primary, return it.
	+ *
	+ * Returns:
	+ * A pointer to the primary, or NULL.
	+ *
	+ * Side effects:
	+ * None
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static const mongoc_server_description_t *
	+_mongoc_topology_description_has_primary (
	+ const mongoc_topology_description_t *description)
	+{
	+ mongoc_server_description_t *primary = NULL;
	+
	+ mongoc_set_for_each_const (mc_tpld_servers_const (description),
	+ _mongoc_topology_description_has_primary_cb,
	+ &primary);
	+
	+ return primary;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_later_election --
	+ *
	+ * Check if we've seen a more recent election in the replica set
	+ * than this server has.
	+ *
	+ * Returns:
	+ * True if the topology description's max replica set version plus
	+ * election id is later than the server description's.
	+ *
	+ * Side effects:
	+ * None
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static bool
	+_mongoc_topology_description_later_election (
	+ mongoc_topology_description_t td, const mongoc_server_description_t sd)
	+{
	+ /* initially max_set_version is -1 and max_election_id is zeroed */
	+ return td->max_set_version > sd->set_version \|\|
	+ (td->max_set_version == sd->set_version &&
	+ bson_oid_compare (&td->max_election_id, &sd->election_id) > 0);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_set_max_set_version --
	+ *
	+ * Remember that we've seen a new replica set version. Unconditionally
	+ * sets td->set_version to sd->set_version.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_set_max_set_version (
	+ mongoc_topology_description_t td, const mongoc_server_description_t sd)
	+{
	+ td->max_set_version = sd->set_version;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_set_max_election_id --
	+ *
	+ * Remember that we've seen a new election id. Unconditionally sets
	+ * td->max_election_id to sd->election_id.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_set_max_election_id (
	+ mongoc_topology_description_t td, const mongoc_server_description_t sd)
	+{
	+ bson_oid_copy (&sd->election_id, &td->max_election_id);
	+}
	+
	+static bool
	+_mongoc_topology_description_server_is_candidate (
	+ mongoc_server_description_type_t desc_type,
	+ mongoc_read_mode_t read_mode,
	+ mongoc_topology_description_type_t topology_type)
	+{
	+ switch ((int) topology_type) {
	+ case MONGOC_TOPOLOGY_SINGLE:
	+ switch ((int) desc_type) {
	+ case MONGOC_SERVER_STANDALONE:
	+ return true;
	+ default:
	+ return false;
	+ }
	+
	+ case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	+ case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	+ switch ((int) read_mode) {
	+ case MONGOC_READ_PRIMARY:
	+ switch ((int) desc_type) {
	+ case MONGOC_SERVER_RS_PRIMARY:
	+ return true;
	+ default:
	+ return false;
	+ }
	+ case MONGOC_READ_SECONDARY:
	+ switch ((int) desc_type) {
	+ case MONGOC_SERVER_RS_SECONDARY:
	+ return true;
	+ default:
	+ return false;
	+ }
	+ default:
	+ switch ((int) desc_type) {
	+ case MONGOC_SERVER_RS_PRIMARY:
	+ case MONGOC_SERVER_RS_SECONDARY:
	+ return true;
	+ default:
	+ return false;
	+ }
	+ }
	+
	+ case MONGOC_TOPOLOGY_SHARDED:
	+ switch ((int) desc_type) {
	+ case MONGOC_SERVER_MONGOS:
	+ return true;
	+ default:
	+ return false;
	+ }
	+
	+ /* Note, there is no call path that leads to the
	+ * MONGOC_TOPOLOGY_LOAD_BALANCED case. Server selection for load balanced
	+ * topologies bypasses this logic. This silences compiler warnings on
	+ * unhandled enum values. */
	+ case MONGOC_TOPOLOGY_LOAD_BALANCED:
	+ return desc_type == MONGOC_SERVER_LOAD_BALANCER;
	+
	+ default:
	+ return false;
	+ }
	+}
	+
	+typedef struct _mongoc_suitable_data_t {
	+ mongoc_read_mode_t read_mode;
	+ mongoc_topology_description_type_t topology_type;
	+ const mongoc_server_description_t primary; / OUT */
	+ const mongoc_server_description_t *candidates; / OUT */
	+ size_t candidates_len; /* OUT */
	+ bool has_secondary; /* OUT */
	+} mongoc_suitable_data_t;
	+
	+static bool
	+_mongoc_replica_set_read_suitable_cb (const void item, void ctx)
	+{
	+ const mongoc_server_description_t *server = item;
	+ mongoc_suitable_data_t data = (mongoc_suitable_data_t ) ctx;
	+
	+ /* primary's used in staleness calculation, even with mode SECONDARY */
	+ if (server->type == MONGOC_SERVER_RS_PRIMARY) {
	+ data->primary = server;
	+ }
	+
	+ if (_mongoc_topology_description_server_is_candidate (
	+ server->type, data->read_mode, data->topology_type)) {
	+ if (server->type == MONGOC_SERVER_RS_PRIMARY) {
	+ if (data->read_mode == MONGOC_READ_PRIMARY \|\|
	+ data->read_mode == MONGOC_READ_PRIMARY_PREFERRED) {
	+ /* we want a primary and we have one, done! */
	+ return false;
	+ }
	+ }
	+
	+ if (server->type == MONGOC_SERVER_RS_SECONDARY) {
	+ data->has_secondary = true;
	+ }
	+
	+ /* add to our candidates */
	+ data->candidates[data->candidates_len++] = server;
	+ } else {
	+ TRACE ("Rejected [%s] [%s] for mode [%s]",
	+ mongoc_server_description_type (server),
	+ server->host.host_and_port,
	+ _mongoc_read_mode_as_str (data->read_mode));
	+ }
	+
	+ return true;
	+}
	+
	+
	+/* if any mongos are candidates, add them to the candidates array */
	+static void
	+_mongoc_try_mode_secondary (mongoc_array_t set, / OUT */
	+ const mongoc_topology_description_t *topology,
	+ const mongoc_read_prefs_t *read_pref,
	+ bool *must_use_primary,
	+ size_t local_threshold_ms)
	+{
	+ mongoc_read_prefs_t *secondary;
	+
	+ secondary = mongoc_read_prefs_copy (read_pref);
	+ mongoc_read_prefs_set_mode (secondary, MONGOC_READ_SECONDARY);
	+
	+ mongoc_topology_description_suitable_servers (set,
	+ MONGOC_SS_READ,
	+ topology,
	+ secondary,
	+ must_use_primary,
	+ local_threshold_ms);
	+
	+ mongoc_read_prefs_destroy (secondary);
	+}
	+
	+
	+/* if any mongos are candidates, add them to the candidates array */
	+static bool
	+_mongoc_find_suitable_mongos_cb (const void item, void ctx)
	+{
	+ const mongoc_server_description_t *server = item;
	+ mongoc_suitable_data_t data = (mongoc_suitable_data_t ) ctx;
	+
	+ if (_mongoc_topology_description_server_is_candidate (
	+ server->type, data->read_mode, data->topology_type)) {
	+ data->candidates[data->candidates_len++] = server;
	+ }
	+ return true;
	+}
	+
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_lowest_max_wire_version --
	+ *
	+ * The topology's max wire version.
	+ *
	+ * Returns:
	+ * The minimum of all known servers' max wire versions, or INT32_MAX
	+ * if there are no known servers.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+int32_t
	+mongoc_topology_description_lowest_max_wire_version (
	+ const mongoc_topology_description_t *td)
	+{
	+ int i;
	+ int32_t ret = INT32_MAX;
	+ const mongoc_set_t *servers = mc_tpld_servers_const (td);
	+
	+ for (i = 0; (size_t) i < servers->items_len; i++) {
	+ const mongoc_server_description_t *sd =
	+ mongoc_set_get_item_const (servers, i);
	+ if (sd->type != MONGOC_SERVER_UNKNOWN &&
	+ sd->type != MONGOC_SERVER_POSSIBLE_PRIMARY &&
	+ sd->max_wire_version < ret) {
	+ ret = sd->max_wire_version;
	+ }
	+ }
	+
	+ return ret;
	+}
	+
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_all_sds_have_write_date --
	+ *
	+ * Whether the primary and all secondaries' server descriptions have
	+ * last_write_date_ms.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_description_all_sds_have_write_date (
	+ const mongoc_topology_description_t *td)
	+{
	+ int i;
	+ for (i = 0; (size_t) i < mc_tpld_servers_const (td)->items_len; i++) {
	+ const mongoc_server_description_t *sd =
	+ mongoc_set_get_item_const (mc_tpld_servers_const (td), i);
	+
	+ if (sd->last_write_date_ms <= 0 &&
	+ (sd->type == MONGOC_SERVER_RS_PRIMARY \|\|
	+ sd->type == MONGOC_SERVER_RS_SECONDARY)) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_validate_max_staleness --
	+ *
	+ * If the provided "maxStalenessSeconds" component of the read
	+ * preference is not valid for this topology, fill out @error and
	+ * return false.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+bool
	+_mongoc_topology_description_validate_max_staleness (
	+ const mongoc_topology_description_t *td,
	+ int64_t max_staleness_seconds,
	+ bson_error_t *error)
	+{
	+ mongoc_topology_description_type_t td_type;
	+
	+ /* Server Selection Spec: A driver MUST raise an error if the TopologyType
	+ * is ReplicaSetWithPrimary or ReplicaSetNoPrimary and either of these
	+ * conditions is false:
	+ *
	+ * maxStalenessSeconds * 1000 >= heartbeatFrequencyMS + idleWritePeriodMS
	+ * maxStalenessSeconds >= smallestMaxStalenessSeconds
	+ */
	+
	+ td_type = td->type;
	+
	+ if (td_type != MONGOC_TOPOLOGY_RS_WITH_PRIMARY &&
	+ td_type != MONGOC_TOPOLOGY_RS_NO_PRIMARY) {
	+ return true;
	+ }
	+
	+ if (max_staleness_seconds * 1000 <
	+ td->heartbeat_msec + MONGOC_IDLE_WRITE_PERIOD_MS) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "maxStalenessSeconds is set to %" PRId64
	+ ", it must be at least heartbeatFrequencyMS (%" PRId64
	+ ") + server's idle write period (%d seconds)",
	+ max_staleness_seconds,
	+ td->heartbeat_msec,
	+ MONGOC_IDLE_WRITE_PERIOD_MS / 1000);
	+ return false;
	+ }
	+
	+ if (max_staleness_seconds < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "maxStalenessSeconds is set to %" PRId64
	+ ", it must be at least %d seconds",
	+ max_staleness_seconds,
	+ MONGOC_SMALLEST_MAX_STALENESS_SECONDS);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+static bool
	+_check_any_server_less_than_wire_version_13 (const void *sd_,
	+ void *any_too_old_)
	+{
	+ const mongoc_server_description_t *sd = sd_;
	+ bool *any_too_old = any_too_old_;
	+ if (sd->max_wire_version < WIRE_VERSION_5_0) {
	+ *any_too_old = true;
	+ return false /* Stop searching */;
	+ }
	+
	+ return true /* Keep searching */;
	+}
	+
	+/**
	+ * @brief Calculate the read mode that we should be using, based on what was
	+ * requested and what is available in the topology.
	+ *
	+ * Per the CRUD spec, if the requested read mode is not primary, and any
	+ * server in the topology has a wire version < server v5.0, we must override the
	+ * read mode preference with "primary." Server v5.0 indicates support on a
	+ * secondary server for using aggregate pipelines that contain writing stages
	+ * (i.e. '$out' and '$merge').
	+ */
	+static bool
	+_must_use_primary (const mongoc_topology_description_t *td,
	+ mongoc_ss_optype_t optype,
	+ mongoc_read_mode_t requested_read_mode)
	+{
	+ if (requested_read_mode == MONGOC_READ_PRIMARY) {
	+ /* We never alter from a primary read mode. This early-return is just an
	+ * optimization to skip scanning for old servers, as we would end up
	+ * returning MONGOC_READ_PRIMARY regardless. */
	+ return requested_read_mode;
	+ }
	+ switch (optype) {
	+ case MONGOC_SS_WRITE:
	+ /* We don't deal with write operations */
	+ return false;
	+ case MONGOC_SS_READ:
	+ /* Maintain the requested read mode if it is a regular read operation */
	+ return false;
	+ case MONGOC_SS_AGGREGATE_WITH_WRITE: {
	+ /* Check if any of the servers are too old to support the
	+ * aggregate-with-write on a secondary server */
	+ bool any_too_old = false;
	+ mongoc_set_for_each_const (mc_tpld_servers_const (td),
	+ _check_any_server_less_than_wire_version_13,
	+ &any_too_old);
	+ if (any_too_old) {
	+ /* Force the read preference back to reading from a primary server, as
	+ * one or more servers in the system may not support the operation */
	+ return true;
	+ }
	+ /* We're okay to send an aggr-with-write to a secondary server, so permit
	+ * the caller's read mode preference */
	+ return false;
	+ }
	+ default:
	+ BSON_UNREACHABLE ("Invalid mongoc_ss_optype_t for _must_use_primary()");
	+ }
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_suitable_servers --
	+ *
	+ * Fill out an array of servers matching the read preference and
	+ * localThresholdMS.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_description_suitable_servers (
	+ mongoc_array_t set, / OUT */
	+ mongoc_ss_optype_t optype,
	+ const mongoc_topology_description_t *topology,
	+ const mongoc_read_prefs_t *read_pref,
	+ bool *must_use_primary,
	+ size_t local_threshold_ms)
	+{
	+ mongoc_suitable_data_t data;
	+
	+ const mongoc_set_t *td_servers = mc_tpld_servers_const (topology);
	+ int64_t nearest = -1;
	+ int i;
	+ const mongoc_read_mode_t given_read_mode =
	+ mongoc_read_prefs_get_mode (read_pref);
	+ const bool override_use_primary =
	+ _must_use_primary (topology, optype, given_read_mode);
	+
	+ data.primary = NULL;
	+ data.topology_type = topology->type;
	+ data.has_secondary = false;
	+ data.candidates_len = 0;
	+ data.candidates = bson_malloc0 (sizeof (mongoc_server_description_t )
	+ td_servers->items_len);
	+
	+ /* The "effective" read mode is the read mode that we should behave for, and
	+ * depends on the user's provided read mode, the type of operation that the
	+ * user wishes to perform, and the server versions that we are talking to.
	+ *
	+ * If the operation is a write operation, read mode is irrelevant.
	+ *
	+ * If the operation is a regular read, we just use the caller's read mode.
	+ *
	+ * If the operation is an aggregate that contains writing stages, we need to
	+ * be more careful about selecting an appropriate server.
	+ */
	+ data.read_mode =
	+ override_use_primary ? MONGOC_READ_PRIMARY : given_read_mode;
	+ if (must_use_primary) {
	+ /* The caller wants to know if we have overriden their read preference */
	+ *must_use_primary = override_use_primary;
	+ }
	+
	+ /* Single server --
	+ * Either it is suitable or it isn't */
	+ if (topology->type == MONGOC_TOPOLOGY_SINGLE) {
	+ const mongoc_server_description_t *server =
	+ mongoc_set_get_item_const (td_servers, 0);
	+ if (_mongoc_topology_description_server_is_candidate (
	+ server->type, data.read_mode, topology->type)) {
	+ _mongoc_array_append_val (set, server);
	+ } else {
	+ TRACE (
	+ "Rejected [%s] [%s] for read mode [%s] with topology type Single",
	+ mongoc_server_description_type (server),
	+ server->host.host_and_port,
	+ _mongoc_read_mode_as_str (data.read_mode));
	+ }
	+ goto DONE;
	+ }
	+
	+ /* Replica sets --
	+ * Find suitable servers based on read mode */
	+ if (topology->type == MONGOC_TOPOLOGY_RS_NO_PRIMARY \|\|
	+ topology->type == MONGOC_TOPOLOGY_RS_WITH_PRIMARY) {
	+ switch (optype) {
	+ case MONGOC_SS_AGGREGATE_WITH_WRITE:
	+ case MONGOC_SS_READ: {
	+ mongoc_set_for_each_const (
	+ td_servers, _mongoc_replica_set_read_suitable_cb, &data);
	+
	+ if (data.read_mode == MONGOC_READ_PRIMARY) {
	+ if (data.primary) {
	+ _mongoc_array_append_val (set, data.primary);
	+ }
	+
	+ goto DONE;
	+ }
	+
	+ if (data.read_mode == MONGOC_READ_PRIMARY_PREFERRED && data.primary) {
	+ _mongoc_array_append_val (set, data.primary);
	+ goto DONE;
	+ }
	+
	+ if (data.read_mode == MONGOC_READ_SECONDARY_PREFERRED) {
	+ /* try read_mode SECONDARY */
	+ _mongoc_try_mode_secondary (
	+ set, topology, read_pref, must_use_primary, local_threshold_ms);
	+
	+ /* otherwise fall back to primary */
	+ if (!set->len && data.primary) {
	+ _mongoc_array_append_val (set, data.primary);
	+ }
	+
	+ goto DONE;
	+ }
	+
	+ if (data.read_mode == MONGOC_READ_SECONDARY) {
	+ for (i = 0; i < data.candidates_len; i++) {
	+ if (data.candidates[i] &&
	+ data.candidates[i]->type != MONGOC_SERVER_RS_SECONDARY) {
	+ TRACE ("Rejected [%s] [%s] for mode [%s] with RS topology",
	+ mongoc_server_description_type (data.candidates[i]),
	+ data.candidates[i]->host.host_and_port,
	+ _mongoc_read_mode_as_str (data.read_mode));
	+ data.candidates[i] = NULL;
	+ }
	+ }
	+ }
	+
	+ /* mode is SECONDARY or NEAREST, filter by staleness and tags */
	+ mongoc_server_description_filter_stale (data.candidates,
	+ data.candidates_len,
	+ data.primary,
	+ topology->heartbeat_msec,
	+ read_pref);
	+
	+ mongoc_server_description_filter_tags (
	+ data.candidates, data.candidates_len, read_pref);
	+ } break;
	+ case MONGOC_SS_WRITE: {
	+ if (topology->type == MONGOC_TOPOLOGY_RS_WITH_PRIMARY) {
	+ mongoc_set_for_each_const (
	+ td_servers,
	+ _mongoc_topology_description_has_primary_cb,
	+ (void *) &data.primary);
	+ if (data.primary) {
	+ _mongoc_array_append_val (set, data.primary);
	+ goto DONE;
	+ }
	+ }
	+ } break;
	+ default:
	+ BSON_UNREACHABLE ("Invalid optype");
	+ }
	+ }
	+
	+ /* Sharded clusters --
	+ * All candidates in the latency window are suitable */
	+ if (topology->type == MONGOC_TOPOLOGY_SHARDED) {
	+ mongoc_set_for_each_const (
	+ td_servers, _mongoc_find_suitable_mongos_cb, &data);
	+ }
	+
	+ /* Load balanced clusters --
	+ * Always select the only server. */
	+ if (topology->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ const mongoc_server_description_t *server;
	+ BSON_ASSERT (td_servers->items_len == 1);
	+ server = mongoc_set_get_item_const (td_servers, 0);
	+ _mongoc_array_append_val (set, server);
	+ goto DONE;
	+ }
	+
	+ /* Ways to get here:
	+ * - secondary read
	+ * - secondary preferred read
	+ * - primary_preferred and no primary read
	+ * - sharded anything
	+ * Find the nearest, then select within the window */
	+
	+ for (i = 0; i < data.candidates_len; i++) {
	+ if (data.candidates[i] &&
	+ (nearest == -1 \|\|
	+ nearest > data.candidates[i]->round_trip_time_msec)) {
	+ nearest = data.candidates[i]->round_trip_time_msec;
	+ }
	+ }
	+
	+ for (i = 0; i < data.candidates_len; i++) {
	+ if (data.candidates[i] && (data.candidates[i]->round_trip_time_msec <=
	+ nearest + local_threshold_ms)) {
	+ _mongoc_array_append_val (set, data.candidates[i]);
	+ }
	+ }
	+
	+DONE:
	+
	+ bson_free ((mongoc_server_description_t *) data.candidates);
	+
	+ return;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_has_data_node --
	+ *
	+ * Internal method: are any servers not Arbiter, Ghost, or Unknown?
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_description_has_data_node (
	+ const mongoc_topology_description_t *td)
	+{
	+ int i;
	+ const mongoc_set_t *servers = mc_tpld_servers_const (td);
	+
	+ for (i = 0; i < (int) servers->items_len; i++) {
	+ const mongoc_server_description_t *sd =
	+ mongoc_set_get_item_const (servers, i);
	+ if (_is_data_node (sd)) {
	+ return true;
	+ }
	+ }
	+
	+ return false;
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_select --
	+ *
	+ * Return a server description of a node that is appropriate for
	+ * the given read preference and operation type.
	+ *
	+ * NOTE: this method simply attempts to select a server from the
	+ * current topology, it does not retry or trigger topology checks.
	+ *
	+ * Returns:
	+ * Selected server description, or NULL upon failure.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+mongoc_server_description_t const *
	+mongoc_topology_description_select (
	+ const mongoc_topology_description_t *topology,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_pref,
	+ bool *must_use_primary,
	+ int64_t local_threshold_ms)
	+{
	+ mongoc_array_t suitable_servers;
	+ mongoc_server_description_t const *sd = NULL;
	+ int rand_n;
	+
	+ ENTRY;
	+
	+ if (topology->type == MONGOC_TOPOLOGY_SINGLE) {
	+ sd = mongoc_set_get_item_const (mc_tpld_servers_const (topology), 0);
	+
	+ if (optype == MONGOC_SS_AGGREGATE_WITH_WRITE &&
	+ sd->max_wire_version < WIRE_VERSION_5_0) {
	+ /* The single server may be part of an unseen replica set that may not
	+ * support aggr-with-write operations on secondaries. Force the read
	+ * preference to use a primary. */
	+ if (must_use_primary) {
	+ *must_use_primary = true;
	+ }
	+ }
	+
	+ if (sd->has_hello_response) {
	+ RETURN (sd);
	+ } else {
	+ TRACE ("Topology type single, [%s] is down", sd->host.host_and_port);
	+ RETURN (NULL);
	+ }
	+ }
	+
	+ _mongoc_array_init (&suitable_servers,
	+ sizeof (mongoc_server_description_t *));
	+
	+ mongoc_topology_description_suitable_servers (&suitable_servers,
	+ optype,
	+ topology,
	+ read_pref,
	+ must_use_primary,
	+ local_threshold_ms);
	+ if (suitable_servers.len != 0) {
	+ rand_n = _mongoc_rand_simple ((unsigned *) &topology->rand_seed);
	+ sd = _mongoc_array_index (&suitable_servers,
	+ mongoc_server_description_t *,
	+ rand_n % suitable_servers.len);
	+ }
	+
	+ _mongoc_array_destroy (&suitable_servers);
	+
	+ if (sd) {
	+ TRACE ("Topology type [%s], selected [%s] [%s]",
	+ mongoc_topology_description_type (topology),
	+ mongoc_server_description_type (sd),
	+ sd->host.host_and_port);
	+ }
	+
	+ RETURN (sd);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_server_by_id --
	+ *
	+ * Get the server description for @id, if that server is present
	+ * in @description. Otherwise, return NULL and fill out optional
	+ * @error.
	+ *
	+ * NOTE: In most cases, caller should create a duplicate of the
	+ * returned server description.
	+ *
	+ * Returns:
	+ * A mongoc_server_description_t *, or NULL.
	+ *
	+ * Side effects:
	+ * Fills out optional @error if server not found.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_server_description_t *
	+mongoc_topology_description_server_by_id (
	+ mongoc_topology_description_t description, uint32_t id, bson_error_t error)
	+{
	+ return (mongoc_server_description_t *)
	+ mongoc_topology_description_server_by_id_const (description, id, error);
	+}
	+
	+const mongoc_server_description_t *
	+mongoc_topology_description_server_by_id_const (
	+ const mongoc_topology_description_t td, uint32_t id, bson_error_t error)
	+{
	+ const mongoc_server_description_t *sd;
	+
	+ BSON_ASSERT_PARAM (td);
	+
	+ sd = mongoc_set_get_const (mc_tpld_servers_const (td), id);
	+ if (!sd) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	+ "Could not find description for node %u",
	+ id);
	+ }
	+
	+ return sd;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_remove_server --
	+ *
	+ * If present, remove this server from this topology description.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Removes the server description from topology and destroys it.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_remove_server (
	+ mongoc_topology_description_t *description,
	+ const mongoc_server_description_t *server)
	+{
	+ BSON_ASSERT (description);
	+ BSON_ASSERT (server);
	+
	+ _mongoc_topology_description_monitor_server_closed (description, server);
	+ mongoc_set_rm (mc_tpld_servers (description), server->id);
	+
	+ /* Check if removing server resulted in an empty set of servers */
	+ if (mc_tpld_servers_const (description)->items_len == 0) {
	+ MONGOC_WARNING ("Last server removed from topology");
	+ }
	+}
	+
	+typedef struct _mongoc_address_and_id_t {
	+ const char address; / IN */
	+ bool found; /* OUT */
	+ uint32_t id; /* OUT */
	+} mongoc_address_and_id_t;
	+
	+/* find the given server and stop iterating */
	+static bool
	+_mongoc_topology_description_has_server_cb (const void *item,
	+ void ctx / IN - OUT */)
	+{
	+ const mongoc_server_description_t *server = item;
	+ mongoc_address_and_id_t data = (mongoc_address_and_id_t ) ctx;
	+
	+ if (strcasecmp (data->address, server->connection_address) == 0) {
	+ data->found = true;
	+ data->id = server->id;
	+ return false;
	+ }
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_has_set_version --
	+ *
	+ * Whether @topology's max replica set version has been set.
	+ *
	+ * Returns:
	+ * True if the max setVersion was ever set.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static bool
	+_mongoc_topology_description_has_set_version (mongoc_topology_description_t *td)
	+{
	+ return td->max_set_version != MONGOC_NO_SET_VERSION;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_topology_has_server --
	+ *
	+ * Return true if @server is in @topology. If so, place its id in
	+ * @id if given.
	+ *
	+ * Returns:
	+ * True if server is in topology, false otherwise.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static bool
	+_mongoc_topology_description_has_server (
	+ mongoc_topology_description_t *description,
	+ const char *address,
	+ uint32_t id / OUT */)
	+{
	+ mongoc_address_and_id_t data;
	+
	+ BSON_ASSERT (description);
	+ BSON_ASSERT (address);
	+
	+ data.address = address;
	+ data.found = false;
	+ mongoc_set_for_each_const (mc_tpld_servers_const (description),
	+ _mongoc_topology_description_has_server_cb,
	+ &data);
	+
	+ if (data.found && id) {
	+ *id = data.id;
	+ }
	+
	+ return data.found;
	+}
	+
	+typedef struct _mongoc_address_and_type_t {
	+ const char *address;
	+ mongoc_server_description_type_t type;
	+} mongoc_address_and_type_t;
	+
	+static bool
	+_mongoc_label_unknown_member_cb (void item, void ctx)
	+{
	+ mongoc_server_description_t server = (mongoc_server_description_t ) item;
	+ mongoc_address_and_type_t data = (mongoc_address_and_type_t ) ctx;
	+
	+ if (strcasecmp (server->connection_address, data->address) == 0 &&
	+ server->type == MONGOC_SERVER_UNKNOWN) {
	+ mongoc_server_description_set_state (server, data->type);
	+ return false;
	+ }
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_label_unknown_member --
	+ *
	+ * Find the server description with the given @address and if its
	+ * type is UNKNOWN, set its type to @type.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_label_unknown_member (
	+ mongoc_topology_description_t *description,
	+ const char *address,
	+ mongoc_server_description_type_t type)
	+{
	+ mongoc_address_and_type_t data;
	+
	+ BSON_ASSERT (description);
	+ BSON_ASSERT (address);
	+
	+ data.type = type;
	+ data.address = address;
	+
	+ mongoc_set_for_each (
	+ mc_tpld_servers (description), _mongoc_label_unknown_member_cb, &data);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_set_state --
	+ *
	+ * Change the state of this cluster and unblock things waiting
	+ * on a change of topology type.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Unblocks anything waiting on this description to change states.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_set_state (
	+ mongoc_topology_description_t *description,
	+ mongoc_topology_description_type_t type)
	+{
	+ description->type = type;
	+}
	+
	+
	+static void
	+_update_rs_type (mongoc_topology_description_t *topology)
	+{
	+ if (_mongoc_topology_description_has_primary (topology)) {
	+ _mongoc_topology_description_set_state (topology,
	+ MONGOC_TOPOLOGY_RS_WITH_PRIMARY);
	+ } else {
	+ _mongoc_topology_description_set_state (topology,
	+ MONGOC_TOPOLOGY_RS_NO_PRIMARY);
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_check_if_has_primary --
	+ *
	+ * If there is a primary in topology, set topology
	+ * type to RS_WITH_PRIMARY, otherwise set it to
	+ * RS_NO_PRIMARY.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Changes the topology type.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_check_if_has_primary (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ _update_rs_type (topology);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_invalidate_server --
	+ *
	+ * Invalidate a server if a network error occurred while using it in
	+ * another part of the client. Server description is set to type
	+ * UNKNOWN, the error is recorded, and other parameters are reset to
	+ * defaults. Pass in the reason for invalidation in @error.
	+ *
	+ * @todo Try to remove this function when CDRIVER-3654 is complete.
	+ * It is only called when an application thread needs to mark a server Unknown.
	+ * But an application error is also tied to other behavior, and should also
	+ * consider the connection generation. This logic is captured in
	+ * _mongoc_topology_handle_app_error. This should not be called directly
	+ */
	+void
	+mongoc_topology_description_invalidate_server (
	+ mongoc_topology_description_t *td,
	+ uint32_t id,
	+ const bson_error_t error / IN */)
	+{
	+ BSON_ASSERT (error);
	+
	+ if (td->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ /* Load balancers must never be marked unknown. */
	+ return;
	+ }
	+
	+ /* send NULL hello reply */
	+ mongoc_topology_description_handle_hello (
	+ td, id, NULL, MONGOC_RTT_UNSET, error);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_add_server --
	+ *
	+ * Add the specified server to the cluster topology if it is not
	+ * already a member. If @id, place its id in @id.
	+ *
	+ * Return:
	+ * True if the server was added or already existed in the topology,
	+ * false if an error occurred.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_description_add_server (mongoc_topology_description_t *topology,
	+ const char *server,
	+ uint32_t id / OUT */)
	+{
	+ uint32_t server_id;
	+ mongoc_server_description_t *description;
	+
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (server);
	+
	+ if (!_mongoc_topology_description_has_server (
	+ topology, server, &server_id)) {
	+ /* TODO this might not be an accurate count in all cases */
	+ server_id = ++topology->max_server_id;
	+
	+ description =
	+ (mongoc_server_description_t ) bson_malloc0 (sizeof description);
	+ mongoc_server_description_init (description, server, server_id);
	+
	+ mongoc_set_add (mc_tpld_servers (topology), server_id, description);
	+
	+ /* if we're in topology_new then no callbacks are registered and this is
	+ * a no-op. later, if we discover a new RS member this sends an event. */
	+ _mongoc_topology_description_monitor_server_opening (topology,
	+ description);
	+ }
	+
	+ if (id) {
	+ *id = server_id;
	+ }
	+
	+ return true;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_update_cluster_time --
	+ *
	+ * Drivers Session Spec: Drivers MUST examine responses to server commands to
	+ * see if they contain a top level field named $clusterTime formatted as
	+ * follows:
	+ *
	+ * {
	+ * ...
	+ * $clusterTime : {
	+ * clusterTime : <BsonTimestamp>,
	+ * signature : {
	+ * hash : <BsonBinaryData>,
	+ * keyId : <BsonInt64>
	+ * }
	+ * },
	+ * ...
	+ * }
	+ *
	+ * Whenever a driver receives a clusterTime from a server it MUST compare it
	+ * to the current highest seen clusterTime for the cluster. If the new
	+ * clusterTime is higher than the highest seen clusterTime it MUST become
	+ * the new highest seen clusterTime. Two clusterTimes are compared using
	+ * only the BsonTimestamp value of the clusterTime embedded field (be sure to
	+ * include both the timestamp and the increment of the BsonTimestamp in the
	+ * comparison). The signature field does not participate in the comparison.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_description_update_cluster_time (
	+ mongoc_topology_description_t td, const bson_t reply)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+ const uint8_t *data;
	+ uint32_t size;
	+ bson_t cluster_time;
	+
	+ if (!reply \|\| !bson_iter_init_find (&iter, reply, "$clusterTime")) {
	+ return;
	+ }
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT (&iter) \|\|
	+ !bson_iter_recurse (&iter, &child)) {
	+ MONGOC_ERROR ("Can't parse $clusterTime");
	+ return;
	+ }
	+
	+ bson_iter_document (&iter, &size, &data);
	+ BSON_ASSERT (bson_init_static (&cluster_time, data, (size_t) size));
	+
	+ if (bson_empty (&td->cluster_time) \|\|
	+ _mongoc_cluster_time_greater (&cluster_time, &td->cluster_time)) {
	+ bson_destroy (&td->cluster_time);
	+ bson_copy_to (&cluster_time, &td->cluster_time);
	+ }
	+}
	+
	+
	+static void
	+_mongoc_topology_description_add_new_servers (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ bson_iter_t member_iter;
	+ const bson_t *rs_members[3];
	+ int i;
	+
	+ rs_members[0] = &server->hosts;
	+ rs_members[1] = &server->arbiters;
	+ rs_members[2] = &server->passives;
	+
	+ for (i = 0; i < 3; i++) {
	+ BSON_ASSERT (bson_iter_init (&member_iter, rs_members[i]));
	+
	+ while (bson_iter_next (&member_iter)) {
	+ mongoc_topology_description_add_server (
	+ topology, bson_iter_utf8 (&member_iter, NULL), NULL);
	+ }
	+ }
	+}
	+
	+typedef struct _mongoc_primary_and_topology_t {
	+ mongoc_topology_description_t *topology;
	+ const mongoc_server_description_t *primary;
	+} mongoc_primary_and_topology_t;
	+
	+/* invalidate old primaries */
	+static bool
	+_mongoc_topology_description_invalidate_primaries_cb (void item, void ctx)
	+{
	+ mongoc_server_description_t server = (mongoc_server_description_t ) item;
	+ mongoc_primary_and_topology_t data = (mongoc_primary_and_topology_t ) ctx;
	+
	+ if (server->id != data->primary->id &&
	+ server->type == MONGOC_SERVER_RS_PRIMARY) {
	+ mongoc_server_description_set_state (server, MONGOC_SERVER_UNKNOWN);
	+ mongoc_server_description_set_set_version (server, MONGOC_NO_SET_VERSION);
	+ mongoc_server_description_set_election_id (server, NULL);
	+ mongoc_server_description_reset (server);
	+ }
	+ return true;
	+}
	+
	+
	+/* Remove and destroy all replica set members not in primary's hosts lists */
	+static void
	+_mongoc_topology_description_remove_unreported_servers (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *primary)
	+{
	+ mongoc_array_t to_remove;
	+ int i;
	+
	+ _mongoc_array_init (&to_remove, sizeof (mongoc_server_description_t *));
	+
	+ /* Accumulate servers to be removed - do this before calling
	+ * _mongoc_topology_description_remove_server, which could call
	+ * mongoc_server_description_cleanup on the primary itself if it
	+ * doesn't report its own connection_address in its hosts list.
	+ * See hosts_differ_from_seeds.json */
	+ for (i = 0; i < mc_tpld_servers_const (topology)->items_len; i++) {
	+ const mongoc_server_description_t *member =
	+ mongoc_set_get_item_const (mc_tpld_servers_const (topology), i);
	+ const char *address = member->connection_address;
	+ if (!mongoc_server_description_has_rs_member (primary, address)) {
	+ _mongoc_array_append_val (&to_remove, member);
	+ }
	+ }
	+
	+ /* now it's safe to call _mongoc_topology_description_remove_server,
	+ * even on the primary */
	+ for (i = 0; i < to_remove.len; i++) {
	+ const mongoc_server_description_t *member =
	+ _mongoc_array_index (&to_remove, mongoc_server_description_t *, i);
	+
	+ _mongoc_topology_description_remove_server (topology, member);
	+ }
	+
	+ _mongoc_array_destroy (&to_remove);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_matches_me --
	+ *
	+ * Server Discovery And Monitoring Spec: "Removal from the topology of
	+ * seed list members where the "me" property does not match the address
	+ * used to connect prevents clients from being able to select a server,
	+ * only to fail to re-select that server once the primary has responded.
	+ *
	+ * Returns:
	+ * True if "me" matches "connection_address".
	+ *
	+ * Side Effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static bool
	+_mongoc_topology_description_matches_me (
	+ const mongoc_server_description_t *server)
	+{
	+ BSON_ASSERT (server->connection_address);
	+
	+ if (!server->me) {
	+ /* "me" is unknown: consider it a match */
	+ return true;
	+ }
	+
	+ return strcasecmp (server->connection_address, server->me) == 0;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_update_rs_from_primary --
	+ *
	+ * First, determine that this is really the primary:
	+ * -If this node isn't in the cluster, do nothing.
	+ * -If the cluster's set name is null, set it to node's set name.
	+ * Otherwise if the cluster's set name is different from node's,
	+ * we found a rogue primary, so remove it from the cluster and
	+ * check the cluster for a primary, then return.
	+ * -If any of the members of cluster reports an address different
	+ * from node's, node cannot be the primary.
	+ * Now that we know this is the primary:
	+ * -If any hosts, passives, or arbiters in node's description aren't
	+ * in the cluster, add them as UNKNOWN servers.
	+ * -If the cluster has any servers that aren't in node's description,
	+ * remove and destroy them.
	+ * Finally, check the cluster for the new primary.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Changes to the cluster, possible removal of cluster nodes.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_update_rs_from_primary (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ mongoc_primary_and_topology_t data;
	+ bson_error_t error;
	+
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (server);
	+
	+ if (!_mongoc_topology_description_has_server (
	+ topology, server->connection_address, NULL))
	+ return;
	+
	+ /* If server->set_name was null this function wouldn't be called from
	+ * mongoc_server_description_handle_hello(). static code analyzers however
	+ * don't know that so we check for it explicitly. */
	+ if (server->set_name) {
	+ /* 'Server' can only be the primary if it has the right rs name */
	+
	+ if (!topology->set_name) {
	+ topology->set_name = bson_strdup (server->set_name);
	+ } else if (strcmp (topology->set_name, server->set_name) != 0) {
	+ _mongoc_topology_description_remove_server (topology, server);
	+ _update_rs_type (topology);
	+ return;
	+ }
	+ }
	+
	+ if (mongoc_server_description_has_set_version (server) &&
	+ mongoc_server_description_has_election_id (server)) {
	+ /* Server Discovery And Monitoring Spec: "The client remembers the
	+ * greatest electionId reported by a primary, and distrusts primaries
	+ * with lesser electionIds. This prevents the client from oscillating
	+ * between the old and new primary during a split-brain period."
	+ */
	+ if (_mongoc_topology_description_later_election (topology, server)) {
	+ bson_set_error (&error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "member's setVersion or electionId is stale");
	+ mongoc_topology_description_invalidate_server (
	+ topology, server->id, &error);
	+ _update_rs_type (topology);
	+ return;
	+ }
	+
	+ /* server's electionId >= topology's max electionId */
	+ _mongoc_topology_description_set_max_election_id (topology, server);
	+ }
	+
	+ if (mongoc_server_description_has_set_version (server) &&
	+ (!_mongoc_topology_description_has_set_version (topology) \|\|
	+ server->set_version > topology->max_set_version)) {
	+ _mongoc_topology_description_set_max_set_version (topology, server);
	+ }
	+
	+ /* 'Server' is the primary! Invalidate other primaries if found */
	+ data.primary = server;
	+ data.topology = topology;
	+ mongoc_set_for_each (mc_tpld_servers (topology),
	+ _mongoc_topology_description_invalidate_primaries_cb,
	+ &data);
	+
	+ /* Add to topology description any new servers primary knows about */
	+ _mongoc_topology_description_add_new_servers (topology, server);
	+
	+ /* Remove from topology description any servers primary doesn't know about */
	+ _mongoc_topology_description_remove_unreported_servers (topology, server);
	+
	+ /* Finally, set topology type */
	+ _update_rs_type (topology);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_update_rs_without_primary --
	+ *
	+ * Update cluster's information when there is no primary.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side Effects:
	+ * Alters cluster state, may remove node from cluster.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_update_rs_without_primary (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (server);
	+
	+ if (!_mongoc_topology_description_has_server (
	+ topology, server->connection_address, NULL)) {
	+ return;
	+ }
	+
	+ /* make sure we're talking about the same replica set */
	+ if (server->set_name) {
	+ if (!topology->set_name) {
	+ topology->set_name = bson_strdup (server->set_name);
	+ } else if (strcmp (topology->set_name, server->set_name) != 0) {
	+ _mongoc_topology_description_remove_server (topology, server);
	+ return;
	+ }
	+ }
	+
	+ /* Add new servers that this replica set member knows about */
	+ _mongoc_topology_description_add_new_servers (topology, server);
	+
	+ /* If this server thinks there is a primary, label it POSSIBLE_PRIMARY */
	+ if (server->current_primary) {
	+ _mongoc_topology_description_label_unknown_member (
	+ topology, server->current_primary, MONGOC_SERVER_POSSIBLE_PRIMARY);
	+ }
	+
	+ if (!_mongoc_topology_description_matches_me (server)) {
	+ _mongoc_topology_description_remove_server (topology, server);
	+ return;
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_update_rs_with_primary_from_member --
	+ *
	+ * Update cluster's information when there is a primary, but the
	+ * update is coming from another replica set member.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side Effects:
	+ * Alters cluster state.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_update_rs_with_primary_from_member (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (server);
	+
	+ if (!_mongoc_topology_description_has_server (
	+ topology, server->connection_address, NULL)) {
	+ return;
	+ }
	+
	+ /* set_name should never be null here */
	+ if (strcmp (topology->set_name, server->set_name) != 0) {
	+ _mongoc_topology_description_remove_server (topology, server);
	+ _update_rs_type (topology);
	+ return;
	+ }
	+
	+ if (!_mongoc_topology_description_matches_me (server)) {
	+ _mongoc_topology_description_remove_server (topology, server);
	+ return;
	+ }
	+
	+ /* If there is no primary, label server's current_primary as the
	+ * POSSIBLE_PRIMARY */
	+ if (!_mongoc_topology_description_has_primary (topology) &&
	+ server->current_primary) {
	+ _mongoc_topology_description_set_state (topology,
	+ MONGOC_TOPOLOGY_RS_NO_PRIMARY);
	+ _mongoc_topology_description_label_unknown_member (
	+ topology, server->current_primary, MONGOC_SERVER_POSSIBLE_PRIMARY);
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_set_topology_type_to_sharded --
	+ *
	+ * Sets topology's type to SHARDED.
	+ *
	+ * Returns:
	+ * None
	+ *
	+ * Side effects:
	+ * Alter's topology's type
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_set_topology_type_to_sharded (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ _mongoc_topology_description_set_state (topology, MONGOC_TOPOLOGY_SHARDED);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_transition_unknown_to_rs_no_primary --
	+ *
	+ * Encapsulates transition from cluster state UNKNOWN to
	+ * RS_NO_PRIMARY. Sets the type to RS_NO_PRIMARY,
	+ * then updates the replica set accordingly.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Changes topology state.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_transition_unknown_to_rs_no_primary (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ _mongoc_topology_description_set_state (topology,
	+ MONGOC_TOPOLOGY_RS_NO_PRIMARY);
	+ _mongoc_topology_description_update_rs_without_primary (topology, server);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_remove_and_check_primary --
	+ *
	+ * Remove the server and check if the topology still has a primary.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Removes server from topology and destroys it.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_remove_and_check_primary (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ _mongoc_topology_description_remove_server (topology, server);
	+ _update_rs_type (topology);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_update_unknown_with_standalone --
	+ *
	+ * If the cluster doesn't contain this server, do nothing.
	+ * Otherwise, if the topology only has one seed, change its
	+ * type to SINGLE. If the topology has multiple seeds, it does not
	+ * include us, so remove this server and destroy it.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * Changes the topology type, might remove server from topology.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+_mongoc_topology_description_update_unknown_with_standalone (
	+ mongoc_topology_description_t *topology,
	+ const mongoc_server_description_t *server)
	+{
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (server);
	+
	+ if (!_mongoc_topology_description_has_server (
	+ topology, server->connection_address, NULL))
	+ return;
	+
	+ if (mc_tpld_servers_const (topology)->items_len > 1) {
	+ /* This cluster contains other servers, it cannot be a standalone. */
	+ _mongoc_topology_description_remove_server (topology, server);
	+ } else {
	+ _mongoc_topology_description_set_state (topology, MONGOC_TOPOLOGY_SINGLE);
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * This table implements the 'ToplogyType' table outlined in the Server
	+ * Discovery and Monitoring spec. Each row represents a server type,
	+ * and each column represents the topology type. Given a current topology
	+ * type T and a newly-observed server type S, use the function at
	+ * state_transions[S][T] to transition to a new state.
	+ *
	+ * Rows should be read like so:
	+ * { server type for this row
	+ * UNKNOWN,
	+ * SHARDED,
	+ * RS_NO_PRIMARY,
	+ * RS_WITH_PRIMARY
	+ * }
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+typedef void (transition_t) (mongoc_topology_description_t topology,
	+ const mongoc_server_description_t *server);
	+
	+transition_t gSDAMTransitionTable
	+ [MONGOC_SERVER_DESCRIPTION_TYPES][MONGOC_TOPOLOGY_DESCRIPTION_TYPES] = {
	+ {
	+ /* UNKNOWN */
	+ NULL, /* MONGOC_TOPOLOGY_UNKNOWN */
	+ NULL, /* MONGOC_TOPOLOGY_SHARDED */
	+ NULL, /* MONGOC_TOPOLOGY_RS_NO_PRIMARY */
	+ _mongoc_topology_description_check_if_has_primary /* MONGOC_TOPOLOGY_RS_WITH_PRIMARY
	+ */
	+ },
	+ {/* STANDALONE */
	+ _mongoc_topology_description_update_unknown_with_standalone,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_remove_and_check_primary},
	+ {/* MONGOS */
	+ _mongoc_topology_description_set_topology_type_to_sharded,
	+ NULL,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_remove_and_check_primary},
	+ {/* POSSIBLE_PRIMARY */
	+ NULL,
	+ NULL,
	+ NULL,
	+ NULL},
	+ {/* PRIMARY */
	+ _mongoc_topology_description_update_rs_from_primary,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_update_rs_from_primary,
	+ _mongoc_topology_description_update_rs_from_primary},
	+ {/* SECONDARY */
	+ _mongoc_topology_description_transition_unknown_to_rs_no_primary,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_update_rs_without_primary,
	+ _mongoc_topology_description_update_rs_with_primary_from_member},
	+ {/* ARBITER */
	+ _mongoc_topology_description_transition_unknown_to_rs_no_primary,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_update_rs_without_primary,
	+ _mongoc_topology_description_update_rs_with_primary_from_member},
	+ {/* RS_OTHER */
	+ _mongoc_topology_description_transition_unknown_to_rs_no_primary,
	+ _mongoc_topology_description_remove_server,
	+ _mongoc_topology_description_update_rs_without_primary,
	+ _mongoc_topology_description_update_rs_with_primary_from_member},
	+ {/* RS_GHOST */
	+ NULL,
	+ _mongoc_topology_description_remove_server,
	+ NULL,
	+ _mongoc_topology_description_check_if_has_primary}};
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _tpld_type_str --
	+ *
	+ * Get this topology's type, one of the types defined in the Server
	+ * Discovery And Monitoring Spec.
	+ *
	+ * Returns:
	+ * A string.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static const char *
	+_tpld_type_str (mongoc_topology_description_type_t type)
	+{
	+ switch (type) {
	+ case MONGOC_TOPOLOGY_UNKNOWN:
	+ return "Unknown";
	+ case MONGOC_TOPOLOGY_SHARDED:
	+ return "Sharded";
	+ case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	+ return "RSNoPrimary";
	+ case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	+ return "RSWithPrimary";
	+ case MONGOC_TOPOLOGY_SINGLE:
	+ return "Single";
	+ case MONGOC_TOPOLOGY_LOAD_BALANCED:
	+ return "LoadBalanced";
	+ case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	+ default:
	+ MONGOC_ERROR ("Invalid mongoc_topology_description_type_t type");
	+ return "Invalid";
	+ }
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_update_session_timeout --
	+ *
	+ * Fill out td.session_timeout_minutes.
	+ *
	+ * Server Discovery and Monitoring Spec: "set logicalSessionTimeoutMinutes
	+ * to the smallest logicalSessionTimeoutMinutes value among all
	+ * ServerDescriptions of known ServerType. If any ServerDescription of
	+ * known ServerType has a null logicalSessionTimeoutMinutes, then
	+ * logicalSessionTimeoutMinutes MUST be set to null."
	+ *
	+ * --------------------------------------------------------------------------
	+ */
	+
	+static void
	+_mongoc_topology_description_update_session_timeout (
	+ mongoc_topology_description_t *td)
	+{
	+ mongoc_set_t *set;
	+ size_t i;
	+ mongoc_server_description_t *sd;
	+
	+ set = mc_tpld_servers (td);
	+
	+ td->session_timeout_minutes = MONGOC_NO_SESSIONS;
	+
	+ for (i = 0; i < set->items_len; i++) {
	+ sd = (mongoc_server_description_t *) mongoc_set_get_item (set, (int) i);
	+ if (!_is_data_node (sd)) {
	+ continue;
	+ }
	+
	+ if (sd->session_timeout_minutes == MONGOC_NO_SESSIONS) {
	+ td->session_timeout_minutes = MONGOC_NO_SESSIONS;
	+ return;
	+ } else if (td->session_timeout_minutes == MONGOC_NO_SESSIONS) {
	+ td->session_timeout_minutes = sd->session_timeout_minutes;
	+ } else if (td->session_timeout_minutes > sd->session_timeout_minutes) {
	+ td->session_timeout_minutes = sd->session_timeout_minutes;
	+ }
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_description_check_compatible --
	+ *
	+ * Fill out td.compatibility_error if any server's wire versions do
	+ * not overlap with ours. Otherwise clear td.compatibility_error.
	+ *
	+ * If any server is incompatible, the topology as a whole is considered
	+ * incompatible.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static void
	+_mongoc_topology_description_check_compatible (
	+ mongoc_topology_description_t *td)
	+{
	+ size_t i;
	+ mongoc_set_t const *const servers = mc_tpld_servers_const (td);
	+
	+ memset (&td->compatibility_error, 0, sizeof (bson_error_t));
	+
	+ for (i = 0; i < servers->items_len; i++) {
	+ mongoc_server_description_t const *const sd =
	+ mongoc_set_get_item_const (servers, (int) i);
	+ if (sd->type == MONGOC_SERVER_UNKNOWN \|\|
	+ sd->type == MONGOC_SERVER_POSSIBLE_PRIMARY) {
	+ continue;
	+ }
	+
	+ if (sd->min_wire_version > WIRE_VERSION_MAX) {
	+ bson_set_error (
	+ &td->compatibility_error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "Server at %s requires wire version %d,"
	+ " but this version of libmongoc only supports up to %d",
	+ sd->host.host_and_port,
	+ sd->min_wire_version,
	+ WIRE_VERSION_MAX);
	+ } else if (sd->max_wire_version < WIRE_VERSION_MIN) {
	+ bson_set_error (
	+ &td->compatibility_error,
	+ MONGOC_ERROR_PROTOCOL,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "Server at %s reports wire version %d, but this"
	+ " version of libmongoc requires at least %d (MongoDB %s)",
	+ sd->host.host_and_port,
	+ sd->max_wire_version,
	+ WIRE_VERSION_MIN,
	+ _mongoc_wire_version_to_server_version (WIRE_VERSION_MIN));
	+ }
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_handle_hello --
	+ *
	+ * Handle a hello. This is called by the background SDAM process,
	+ * and by client when performing a handshake or invalidating servers.
	+ * If there was an error calling hello, pass it in as @error.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_description_handle_hello (
	+ mongoc_topology_description_t *topology,
	+ uint32_t server_id,
	+ const bson_t *hello_response,
	+ int64_t rtt_msec,
	+ const bson_error_t error / IN */)
	+{
	+ mongoc_topology_description_t *prev_td = NULL;
	+ mongoc_server_description_t *prev_sd = NULL;
	+ mongoc_server_description_t *sd;
	+ bson_iter_t iter;
	+ /* sd_changed is set if the server description meaningfully changed AND
	+ * callbacks are registered. */
	+ bool sd_changed = false;
	+
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (server_id != 0);
	+
	+ sd = mongoc_topology_description_server_by_id (topology, server_id, NULL);
	+ if (!sd) {
	+ return; /* server already removed from topology */
	+ }
	+
	+ if (topology->apm_callbacks.topology_changed) {
	+ prev_td = bson_malloc0 (sizeof (mongoc_topology_description_t));
	+ _mongoc_topology_description_copy_to (topology, prev_td);
	+ }
	+
	+ if (hello_response &&
	+ bson_iter_init_find (&iter, hello_response, "topologyVersion") &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ bson_t incoming_topology_version;
	+ const uint8_t *bytes;
	+ uint32_t len;
	+
	+ bson_iter_document (&iter, &len, &bytes);
	+ bson_init_static (&incoming_topology_version, bytes, len);
	+
	+ if (mongoc_server_description_topology_version_cmp (
	+ &sd->topology_version, &incoming_topology_version) == 1) {
	+ TRACE ("%s", "topology version is strictly less. Skipping.");
	+ if (prev_td) {
	+ mongoc_topology_description_cleanup (prev_td);
	+ bson_free (prev_td);
	+ }
	+ return;
	+ }
	+ }
	+
	+ if (topology->apm_callbacks.topology_changed \|\|
	+ topology->apm_callbacks.server_changed) {
	+ /* Only copy the previous server description if a monitoring callback is
	+ * registered. */
	+ prev_sd = mongoc_server_description_new_copy (sd);
	+ }
	+
	+ DUMP_BSON (hello_response);
	+ /* pass the current error in */
	+
	+ mongoc_server_description_handle_hello (sd, hello_response, rtt_msec, error);
	+
	+ /* if the user specified a set_name in the connection string
	+ * and they are in topology type single, check that the set name
	+ * matches. */
	+ if (topology->set_name && topology->type == MONGOC_TOPOLOGY_SINGLE) {
	+ bool wrong_set_name = false;
	+ bson_error_t set_name_err = {0};
	+
	+ if (!sd->set_name) {
	+ wrong_set_name = true;
	+ bson_set_error (&set_name_err,
	+ MONGOC_ERROR_SERVER_SELECTION,
	+ MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	+ "no reported set name, but expected '%s'",
	+ topology->set_name);
	+ } else if (0 != strcmp (sd->set_name, topology->set_name)) {
	+ wrong_set_name = true;
	+ bson_set_error (&set_name_err,
	+ MONGOC_ERROR_SERVER_SELECTION,
	+ MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	+ "reported set name '%s' does not match '%s'",
	+ sd->set_name,
	+ topology->set_name);
	+ }
	+
	+ if (wrong_set_name) {
	+ /* Replace with unknown. */
	+ TRACE ("%s", "wrong set name");
	+ mongoc_server_description_handle_hello (
	+ sd, NULL, MONGOC_RTT_UNSET, &set_name_err);
	+ }
	+ }
	+
	+ mongoc_topology_description_update_cluster_time (topology, hello_response);
	+
	+ if (prev_sd) {
	+ sd_changed = !_mongoc_server_description_equal (prev_sd, sd);
	+ }
	+ if (sd_changed) {
	+ _mongoc_topology_description_monitor_server_changed (
	+ topology, prev_sd, sd);
	+ }
	+
	+ if (gSDAMTransitionTable[sd->type][topology->type]) {
	+ TRACE ("Topology description %s handling server description %s",
	+ _tpld_type_str (topology->type),
	+ mongoc_server_description_type (sd));
	+ gSDAMTransitionTable[sd->type][topology->type](topology, sd);
	+ } else {
	+ TRACE ("Topology description %s ignoring server description %s",
	+ _tpld_type_str (topology->type),
	+ mongoc_server_description_type (sd));
	+ }
	+
	+ _mongoc_topology_description_update_session_timeout (topology);
	+
	+ /* Don't bother checking wire version compatibility if we already errored */
	+ if (hello_response && (!error \|\| !error->code)) {
	+ _mongoc_topology_description_check_compatible (topology);
	+ }
	+
	+ /* If server description did not change, then neither did topology
	+ * description */
	+ if (sd_changed) {
	+ _mongoc_topology_description_monitor_changed (prev_td, topology);
	+ }
	+
	+ if (prev_td) {
	+ mongoc_topology_description_cleanup (prev_td);
	+ bson_free (prev_td);
	+ }
	+
	+ mongoc_server_description_destroy (prev_sd);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_has_readable_server --
	+ *
	+ * SDAM Monitoring Spec:
	+ * "Determines if the topology has a readable server available."
	+ *
	+ * NOTE: this method should only be called by user code in an SDAM
	+ * Monitoring callback.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_description_has_readable_server (
	+ const mongoc_topology_description_t td, const mongoc_read_prefs_t prefs)
	+{
	+ bson_error_t error;
	+
	+ if (!mongoc_topology_compatible (td, NULL, &error)) {
	+ return false;
	+ }
	+
	+ /* local threshold argument doesn't matter */
	+ return mongoc_topology_description_select (
	+ td, MONGOC_SS_READ, prefs, NULL, 0) != NULL;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_has_writable_server --
	+ *
	+ * SDAM Monitoring Spec:
	+ * "Determines if the topology has a writable server available."
	+ *
	+ * NOTE: this method should only be called by user code in an SDAM
	+ * Monitoring callback.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_description_has_writable_server (
	+ const mongoc_topology_description_t *td)
	+{
	+ bson_error_t error;
	+
	+ if (!mongoc_topology_compatible (td, NULL, &error)) {
	+ return false;
	+ }
	+
	+ return mongoc_topology_description_select (
	+ td, MONGOC_SS_WRITE, NULL, NULL, 0) != NULL;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_type --
	+ *
	+ * Get this topology's type, one of the types defined in the Server
	+ * Discovery And Monitoring Spec.
	+ *
	+ * NOTE: this method should only be called by user code in an SDAM
	+ * Monitoring callback.
	+ *
	+ * Returns:
	+ * A string.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+const char *
	+mongoc_topology_description_type (const mongoc_topology_description_t *td)
	+{
	+ switch (td->type) {
	+ case MONGOC_TOPOLOGY_UNKNOWN:
	+ return "Unknown";
	+ case MONGOC_TOPOLOGY_SHARDED:
	+ return "Sharded";
	+ case MONGOC_TOPOLOGY_RS_NO_PRIMARY:
	+ return "ReplicaSetNoPrimary";
	+ case MONGOC_TOPOLOGY_RS_WITH_PRIMARY:
	+ return "ReplicaSetWithPrimary";
	+ case MONGOC_TOPOLOGY_SINGLE:
	+ return "Single";
	+ case MONGOC_TOPOLOGY_LOAD_BALANCED:
	+ return "LoadBalanced";
	+ case MONGOC_TOPOLOGY_DESCRIPTION_TYPES:
	+ default:
	+ fprintf (stderr, "ERROR: Unknown topology type %d\n", td->type);
	+ BSON_ASSERT (0);
	+ }
	+
	+ return NULL;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_description_get_servers --
	+ *
	+ * Fetch an array of server descriptions for all known servers in the
	+ * topology.
	+ *
	+ * Returns:
	+ * An array you must free with mongoc_server_descriptions_destroy_all.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+mongoc_server_description_t **
	+mongoc_topology_description_get_servers (
	+ const mongoc_topology_description_t td, size_t n /* OUT */)
	+{
	+ size_t i;
	+ const mongoc_set_t *const set =
	+ mc_tpld_servers_const (BSON_ASSERT_PTR_INLINE (td));
	+ /* enough room for all descriptions, even if some are unknown */
	+ mongoc_server_description_t **sds =
	+ bson_malloc0 (sizeof (mongoc_server_description_t ) set->items_len);
	+
	+ BSON_ASSERT_PARAM (n);
	+
	+ *n = 0;
	+
	+ for (i = 0; i < set->items_len; ++i) {
	+ const mongoc_server_description_t *sd =
	+ mongoc_set_get_item_const (set, (int) i);
	+
	+ if (sd->type != MONGOC_SERVER_UNKNOWN) {
	+ sds[*n] = mongoc_server_description_new_copy (sd);
	+ ++(*n);
	+ }
	+ }
	+
	+ return sds;
	+}
	+
	+typedef struct {
	+ mongoc_host_list_t *host_list;
	+ size_t num_missing;
	+} _count_num_hosts_to_remove_ctx_t;
	+
	+static bool
	+_count_num_hosts_to_remove (void sd_void, void ctx_void)
	+{
	+ mongoc_server_description_t *sd;
	+ _count_num_hosts_to_remove_ctx_t *ctx;
	+ mongoc_host_list_t *host_list;
	+
	+ sd = sd_void;
	+ ctx = ctx_void;
	+ host_list = ctx->host_list;
	+
	+ if (!_mongoc_host_list_contains_one (host_list, &sd->host)) {
	+ ++ctx->num_missing;
	+ }
	+
	+ return true;
	+}
	+
	+typedef struct {
	+ mongoc_host_list_t *host_list;
	+ mongoc_topology_description_t *td;
	+} _remove_if_not_in_host_list_ctx_t;
	+
	+static bool
	+_remove_if_not_in_host_list_cb (void sd_void, void ctx_void)
	+{
	+ _remove_if_not_in_host_list_ctx_t *ctx;
	+ mongoc_topology_description_t *td;
	+ mongoc_server_description_t *sd;
	+ mongoc_host_list_t *host_list;
	+
	+ ctx = ctx_void;
	+ sd = sd_void;
	+ host_list = ctx->host_list;
	+ td = ctx->td;
	+
	+ if (_mongoc_host_list_contains_one (host_list, &sd->host)) {
	+ return true;
	+ }
	+ _mongoc_topology_description_remove_server (td, sd);
	+ return true;
	+}
	+
	+void
	+mongoc_topology_description_reconcile (mongoc_topology_description_t *td,
	+ mongoc_host_list_t *host_list)
	+{
	+ mongoc_set_t *servers;
	+ size_t host_list_length;
	+ size_t num_missing;
	+
	+ BSON_ASSERT_PARAM (td);
	+
	+ servers = mc_tpld_servers (td);
	+ host_list_length = _mongoc_host_list_length (host_list);
	+
	+ /* Avoid removing all servers in topology, even temporarily, by deferring
	+ * actual removal until after new hosts have been added. */
	+ {
	+ _count_num_hosts_to_remove_ctx_t ctx;
	+
	+ ctx.host_list = host_list;
	+ ctx.num_missing = 0u;
	+
	+ mongoc_set_for_each (servers, _count_num_hosts_to_remove, &ctx);
	+
	+ num_missing = ctx.num_missing;
	+ }
	+
	+ /* Polling SRV Records for mongos Discovery Spec: If srvMaxHosts is zero or
	+ * greater than or equal to the number of valid hosts, each valid new host
	+ * MUST be added to the topology as Unknown. */
	+ if (td->max_hosts == 0 \|\| (size_t) td->max_hosts >= host_list_length) {
	+ mongoc_host_list_t *host;
	+
	+ LL_FOREACH (host_list, host)
	+ {
	+ /* "add" is really an "upsert" */
	+ mongoc_topology_description_add_server (td, host->host_and_port, NULL);
	+ }
	+ }
	+
	+ /* Polling SRV Records for mongos Discovery Spec: If srvMaxHosts is greater
	+ * than zero and less than the number of valid hosts, valid new hosts MUST be
	+ * randomly selected and added to the topology as Unknown until the topology
	+ * has srvMaxHosts hosts. */
	+ else {
	+ const size_t max_with_missing = td->max_hosts + num_missing;
	+
	+ size_t idx = 0u;
	+ size_t hl_array_size = 0u;
	+
	+ /* Polling SRV Records for mongos Discovery Spec: Drivers MUST use the
	+ * same randomization algorithm as they do for initial selection.
	+ * Do not limit size of results yet (pass host_list_length) as we want to
	+ * update any existing hosts in the topology, but add new hosts.
	+ */
	+ const mongoc_host_list_t const hl_array = _mongoc_apply_srv_max_hosts (
	+ host_list, host_list_length, &hl_array_size);
	+
	+ for (idx = 0u;
	+ servers->items_len < max_with_missing && idx < hl_array_size;
	+ ++idx) {
	+ const mongoc_host_list_t *const elem = hl_array[idx];
	+
	+ /* "add" is really an "upsert" */
	+ mongoc_topology_description_add_server (td, elem->host_and_port, NULL);
	+ }
	+
	+ /* There should not be a situation where all items in the valid host list
	+ * were traversed without the number of hosts in the topology reaching
	+ * srvMaxHosts. */
	+ BSON_ASSERT (servers->items_len == max_with_missing);
	+
	+ bson_free ((void *) hl_array);
	+ }
	+
	+ /* Polling SRV Records for mongos Discovery Spec: For all verified host
	+ * names, as returned through the DNS SRV query, the driver MUST remove
	+ * all hosts that are part of the topology, but are no longer in the
	+ * returned set of valid hosts. */
	+ {
	+ _remove_if_not_in_host_list_ctx_t ctx;
	+
	+ ctx.host_list = host_list;
	+ ctx.td = td;
	+
	+ mongoc_set_for_each (servers, _remove_if_not_in_host_list_cb, &ctx);
	+ }
	+
	+ /* At this point, the number of hosts in the host list should not exceed
	+ * srvMaxHosts. */
	+ BSON_ASSERT (td->max_hosts == 0 \|\|
	+ servers->items_len <= (size_t) td->max_hosts);
	+}
	+
	+
	+void
	+_mongoc_topology_description_clear_connection_pool (
	+ mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ const bson_oid_t *service_id)
	+{
	+ mongoc_server_description_t *sd;
	+ bson_error_t error;
	+
	+ BSON_ASSERT (service_id);
	+
	+ sd = mongoc_topology_description_server_by_id (td, server_id, &error);
	+ if (!sd) {
	+ /* Server removed, ignore and ignore error. */
	+ return;
	+ }
	+
	+ TRACE ("clearing pool for server: %s", sd->host.host_and_port);
	+
	+ mc_tpl_sd_increment_generation (sd, service_id);
	+}
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-description.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-private.h
	new file mode 100644
	index 00000000..d269f1ad
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-private.h
	@@ -0,0 +1,611 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_TOPOLOGY_PRIVATE_H
	+#define MONGOC_TOPOLOGY_PRIVATE_H
	+
	+#include "mongoc-config.h"
	+#include "mongoc-topology-scanner-private.h"
	+#include "mongoc-server-description-private.h"
	+#include "mongoc-topology-description-private.h"
	+#include "mongoc-thread-private.h"
	+#include "mongoc-uri.h"
	+#include "mongoc-client-session-private.h"
	+#include "mongoc-crypt-private.h"
	+#include "mongoc-ts-pool-private.h"
	+#include "mongoc-shared-private.h"
	+
	+#define MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS 500
	+#define MONGOC_TOPOLOGY_SOCKET_CHECK_INTERVAL_MS 5000
	+#define MONGOC_TOPOLOGY_COOLDOWN_MS 5000
	+#define MONGOC_TOPOLOGY_LOCAL_THRESHOLD_MS 15
	+#define MONGOC_TOPOLOGY_SERVER_SELECTION_TIMEOUT_MS 30000
	+#define MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_MULTI_THREADED 10000
	+#define MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_SINGLE_THREADED 60000
	+#define MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS 60000
	+
	+typedef enum {
	+ MONGOC_TOPOLOGY_SCANNER_OFF,
	+ MONGOC_TOPOLOGY_SCANNER_BG_RUNNING,
	+ MONGOC_TOPOLOGY_SCANNER_SHUTTING_DOWN
	+} mongoc_topology_scanner_state_t;
	+
	+typedef enum mongoc_topology_cse_state_t {
	+ MONGOC_CSE_DISABLED,
	+ MONGOC_CSE_STARTING,
	+ MONGOC_CSE_ENABLED,
	+} mongoc_topology_cse_state_t;
	+
	+struct _mongoc_background_monitor_t;
	+struct _mongoc_client_pool_t;
	+
	+typedef enum { MONGOC_RR_SRV, MONGOC_RR_TXT } mongoc_rr_type_t;
	+
	+typedef struct _mongoc_rr_data_t {
	+ /* Number of records returned by DNS. */
	+ uint32_t count;
	+
	+ /* Set to lowest TTL found when polling SRV records. */
	+ uint32_t min_ttl;
	+
	+ /* Set to the resulting host list when polling SRV records */
	+ mongoc_host_list_t *hosts;
	+
	+ /* Set to the TXT record when polling for TXT */
	+ char *txt_record_opts;
	+} mongoc_rr_data_t;
	+
	+struct _mongoc_topology_t;
	+
	+MONGOC_DECL_SPECIAL_TS_POOL (
	+ mongoc_server_session_t,
	+ mongoc_server_session_pool,
	+ struct _mongoc_topology_t,
	+ /* ctor/dtor/prune are defined in the new_with_params call */
	+ NULL,
	+ NULL,
	+ NULL)
	+
	+typedef bool (_mongoc_rr_resolver_fn) (const char hostname,
	+ mongoc_rr_type_t rr_type,
	+ mongoc_rr_data_t *rr_data,
	+ size_t initial_buffer_size,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief A reference-counted reference to a topology description.
	+ *
	+ * The referred-to topology description should be access via the `.ptr` member
	+ * of this object.
	+ */
	+typedef union mc_shared_tpld {
	+ /* Private: The reference-counted shared pointer that manages the topology
	+ * description. */
	+ mongoc_shared_ptr _sptr_;
	+ /** The pointed-to topology description */
	+ mongoc_topology_description_t const *ptr;
	+} mc_shared_tpld;
	+
	+/** A null-pointer initializer for an `mc_shared_tpld` */
	+#define MC_SHARED_TPLD_NULL ((mc_shared_tpld){._sptr_ = MONGOC_SHARED_PTR_NULL})
	+
	+typedef struct _mongoc_topology_t {
	+ /**
	+ * @brief The topology description. Do not access directly. Instead, use
	+ * mc_tpld_take_ref()
	+ */
	+ mc_shared_tpld _shared_descr_;
	+
	+ /* topology->uri is initialized as a copy of the client/pool's URI.
	+ * For a "mongodb+srv://" URI, topology->uri is then updated in
	+ * mongoc_topology_new() after initial seedlist discovery.
	+ */
	+ mongoc_uri_t *uri;
	+ mongoc_topology_scanner_t *scanner;
	+ bool server_selection_try_once;
	+
	+ int64_t last_scan;
	+ int64_t local_threshold_msec;
	+ int64_t connect_timeout_msec;
	+ int64_t server_selection_timeout_msec;
	+ /* defaults to 500ms, configurable by tests */
	+ int64_t min_heartbeat_frequency_msec;
	+
	+ /* Minimum of SRV record TTLs, but no lower than 60 seconds.
	+ * May be zero for non-SRV/non-MongoS topology. */
	+ int64_t srv_polling_rescan_interval_ms;
	+ int64_t srv_polling_last_scan_ms;
	+ /* For multi-threaded, srv polling occurs in a separate thread. */
	+ bson_thread_t srv_polling_thread;
	+ bson_mutex_t srv_polling_mtx;
	+ mongoc_cond_t srv_polling_cond;
	+
	+ /**
	+ * @brief Signal for background monitoring threads to signal stop/shutdown.
	+ *
	+ * The values stored are mongoc_topology_scanner_state_t values
	+ */
	+ int scanner_state;
	+
	+ /**
	+ * @brief This lock is held in order to serialize operations that modify the
	+ * topology description. It should not be held while performing read-only
	+ * operations on the topology.
	+ *
	+ * This mutex is also used by server selection to synchronize with threads
	+ * that may update the topology following a failed server selection. It is
	+ * used in conjunction with `cond_client`. This protects _shared_descr_, as
	+ * well as the server_monitors and rtt_monitors.
	+ */
	+ bson_mutex_t tpld_modification_mtx;
	+
	+ /**
	+ * @brief Condition variable used to signal client threads that the topology
	+ * has been updated by another thread. This CV should be used with
	+ * tpld_modification_mtx, as it signals modifications to the topology.
	+ *
	+ * Note that mc_tpld_modify_begin/commit/drop will acquire/release
	+ * tpld_modification_mtx as well.
	+ */
	+ mongoc_cond_t cond_client;
	+
	+ bool single_threaded;
	+ bool stale;
	+
	+ mongoc_server_session_pool session_pool;
	+
	+ /* Is client side encryption enabled? */
	+ mongoc_topology_cse_state_t cse_state;
	+ bool is_srv_polling;
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+ _mongoc_crypt_t *crypt;
	+ struct _mongoc_client_t mongocryptd_client; / single threaded */
	+ struct _mongoc_client_t keyvault_client; / single threaded */
	+ struct _mongoc_client_pool_t mongocryptd_client_pool; / multi threaded */
	+ struct _mongoc_client_pool_t keyvault_client_pool; / multi threaded */
	+ char *keyvault_db;
	+ char *keyvault_coll;
	+ bool bypass_auto_encryption;
	+ bool mongocryptd_bypass_spawn;
	+ char *mongocryptd_spawn_path;
	+ bson_t *mongocryptd_spawn_args;
	+#endif
	+
	+ /* For background monitoring. */
	+ mongoc_set_t *server_monitors;
	+ mongoc_set_t *rtt_monitors;
	+ bson_mutex_t apm_mutex;
	+
	+ /* This is overridable for SRV polling tests to mock DNS records. */
	+ _mongoc_rr_resolver_fn rr_resolver;
	+
	+ /* valid is false when mongoc_topology_new failed to construct a valid
	+ * topology. This could occur if the URI is invalid.
	+ * An invalid topology does not monitor servers. */
	+ bool valid;
	+} mongoc_topology_t;
	+
	+mongoc_topology_t *
	+mongoc_topology_new (const mongoc_uri_t *uri, bool single_threaded);
	+
	+void
	+mongoc_topology_set_apm_callbacks (mongoc_topology_t *topology,
	+ mongoc_topology_description_t *td,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context);
	+
	+void
	+mongoc_topology_destroy (mongoc_topology_t *topology);
	+
	+void
	+mongoc_topology_reconcile (const mongoc_topology_t *topology,
	+ mongoc_topology_description_t *td);
	+
	+bool
	+mongoc_topology_compatible (const mongoc_topology_description_t *td,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Select a server description for an operation. May scan and update the
	+ * topology.
	+ *
	+ * A server description might be returned that matches the given `optype` and
	+ * `read_prefs`. If the topology is out-of-date or due for a scan, then this
	+ * function will perform a scan and update the topology accordingly. If no
	+ * matching server is found, returns a NULL pointer.
	+ *
	+ * @param topology The topology to inspect and/or update.
	+ * @param optype The operation that is intended to be performed.
	+ * @param read_prefs The read preferences for the command.
	+ * @param must_use_primary An optional output parameter. Server selection might
	+ * need to override the caller's read preferences' read mode to 'primary'.
	+ * Whether or not that takes place will be set through this pointer.
	+ * @param error An output parameter for any error information.
	+ * @return mongoc_server_description_t* A copy of the topology's server
	+ * description that matches the request, or NULL if there is no such server.
	+ *
	+ * @note The returned object is a COPY, and should be released with
	+ * `mongoc_server_description_destroy()`
	+ *
	+ * @note This function may update the topology description.
	+ */
	+mongoc_server_description_t *
	+mongoc_topology_select (mongoc_topology_t *topology,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bool *must_use_primary,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Obtain the integral ID of a server description matching the requested
	+ * ops.
	+ *
	+ * Refer to @see mongoc_topology_select() for more information
	+ *
	+ * @param topology The topology to inspect and/or update.
	+ * @param optype The operation that is intended to be performed.
	+ * @param read_prefs The read preferences for the command.
	+ * @param must_use_primary An optional output parameter. Server selection might
	+ * need to override the caller's read preferences' read mode to 'primary'.
	+ * Whether or not that takes place will be set through this pointer.
	+ * @param error An output parameter for any error information.
	+ * @return uint32_t A non-zero integer ID of the server description. In case of
	+ * error, sets `error` and returns zero.
	+ *
	+ * @note This function may update the topology description.
	+ */
	+uint32_t
	+mongoc_topology_select_server_id (mongoc_topology_t *topology,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bool *must_use_primary,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Return a new mongoc_host_list_t for the given server matching the
	+ * given ID.
	+ *
	+ * @param topology The topology description to inspect
	+ * @param id The ID of a server in the topology
	+ * @param error Output error information
	+ * @return mongoc_host_list_t* A new host list, or NULL on error
	+ *
	+ * @note The returned list should be freed with
	+ * `_mongoc_host_list_destroy_all()`
	+ */
	+mongoc_host_list_t *
	+_mongoc_topology_host_by_id (const mongoc_topology_description_t *topology,
	+ uint32_t id,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Update the topology from the response to a handshake on a new
	+ * application connection.
	+ *
	+ * @note Only applicable to a client pool (single-threaded clients reuse
	+ * monitoring connections).
	+ *
	+ * @param topology The topology that will be updated.
	+ * @param sd The server description that contains the hello response.
	+ * @return true If the server is valid in the topology.
	+ * @return false If the server was already removed from the topology.
	+ */
	+bool
	+_mongoc_topology_update_from_handshake (mongoc_topology_t *topology,
	+ const mongoc_server_description_t *sd);
	+
	+void
	+_mongoc_topology_update_last_used (mongoc_topology_t *topology,
	+ uint32_t server_id);
	+
	+int64_t
	+mongoc_topology_server_timestamp (mongoc_topology_t *topology, uint32_t id);
	+
	+/**
	+ * @brief Get the current type of the topology
	+ */
	+mongoc_topology_description_type_t
	+_mongoc_topology_get_type (const mongoc_topology_t *topology);
	+
	+bool
	+_mongoc_topology_set_appname (mongoc_topology_t topology, const char appname);
	+
	+void
	+_mongoc_topology_update_cluster_time (mongoc_topology_t *topology,
	+ const bson_t *reply);
	+
	+mongoc_server_session_t *
	+_mongoc_topology_pop_server_session (mongoc_topology_t *topology,
	+ bson_error_t *error);
	+
	+void
	+_mongoc_topology_push_server_session (mongoc_topology_t *topology,
	+ mongoc_server_session_t *server_session);
	+
	+bool
	+_mongoc_topology_end_sessions_cmd (mongoc_topology_t topology, bson_t cmd);
	+
	+void
	+_mongoc_topology_do_blocking_scan (mongoc_topology_t *topology,
	+ bson_error_t *error);
	+
	+/**
	+ * @brief Duplicate the handshake command of the topology scanner.
	+ *
	+ * @param topology The topology to inspect.
	+ * @param copy_into The destination of the copy. Should be uninitialized storage
	+ * for a bson_t.
	+ *
	+ * @note This API will lazily construct the handshake command for the scanner.
	+ *
	+ * @note This is called at the start of the scan in
	+ * _mongoc_topology_run_background, when a node is added in
	+ * _mongoc_topology_reconcile_add_nodes, or when running a hello directly on a
	+ * node in _mongoc_stream_run_hello.
	+ */
	+void
	+_mongoc_topology_dup_handshake_cmd (const mongoc_topology_t *topology,
	+ bson_t *copy_into);
	+void
	+_mongoc_topology_request_scan (mongoc_topology_t *topology);
	+
	+void
	+_mongoc_topology_bypass_cooldown (mongoc_topology_t *topology);
	+
	+typedef enum {
	+ MONGOC_SDAM_APP_ERROR_COMMAND,
	+ MONGOC_SDAM_APP_ERROR_NETWORK,
	+ MONGOC_SDAM_APP_ERROR_TIMEOUT
	+} _mongoc_sdam_app_error_type_t;
	+
	+/**
	+ * @brief Handle an error from an app connection
	+ *
	+ * Processes network errors, timeouts, and command replies.
	+ *
	+ * @param topology The topology that will be updated
	+ * @param server_id The ID of the server on which the error occurred.
	+ * @param handshake_complete Whether the handshake was complete for this server
	+ * @param type The type of error to process
	+ * @param reply If checking for a command error, the server reply. Otherwise
	+ * NULL
	+ * @param why An error that will be attached to the server description
	+ * @param max_wire_version
	+ * @param generation The generation of the server description the caller was
	+ * using.
	+ * @param service_id A service ID for a load-balanced deployment. If not
	+ * applicable, pass kZeroServiceID.
	+ * @return true If the topology was updated and the pool was cleared.
	+ * @return false If no modifications were made and the error was ignored.
	+ *
	+ * @note May update the topology description.
	+ */
	+bool
	+_mongoc_topology_handle_app_error (mongoc_topology_t *topology,
	+ uint32_t server_id,
	+ bool handshake_complete,
	+ _mongoc_sdam_app_error_type_t type,
	+ const bson_t *reply,
	+ const bson_error_t *why,
	+ uint32_t max_wire_version,
	+ uint32_t generation,
	+ const bson_oid_t *service_id);
	+
	+void
	+mongoc_topology_rescan_srv (mongoc_topology_t *topology);
	+
	+bool
	+mongoc_topology_should_rescan_srv (mongoc_topology_t *topology);
	+
	+/* _mongoc_topology_set_rr_resolver is called by tests to mock DNS responses for
	+ * SRV polling.
	+ * This is necessarily called after initial seedlist discovery completes in
	+ * mongoc_topology_new.
	+ * Callers should call this before monitoring starts.
	+ */
	+void
	+_mongoc_topology_set_rr_resolver (mongoc_topology_t *topology,
	+ _mongoc_rr_resolver_fn rr_resolver);
	+
	+/* _mongoc_topology_set_srv_polling_rescan_interval_ms is called by tests to
	+ * shorten the rescan interval.
	+ * Callers should call this before monitoring starts.
	+ */
	+void
	+_mongoc_topology_set_srv_polling_rescan_interval_ms (
	+ mongoc_topology_t *topology, int64_t val);
	+
	+/**
	+ * @brief Return the latest connection generation for the server_id and/or
	+ * service_id.
	+ *
	+ * Use this generation for newly established connections.
	+ *
	+ * @param td The topology that contains the server
	+ * @param server_id The ID of the server to inspect
	+ * @param service_id The service ID of the connection if applicable, or
	+ * kZeroServiceID.
	+ * @returns uint32_t A generation counter for the given server, or zero if the
	+ * server does not exist in the topology.
	+ */
	+uint32_t
	+_mongoc_topology_get_connection_pool_generation (
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ const bson_oid_t *service_id);
	+
	+/**
	+ * @brief Obtain a reference to the current topology description for the given
	+ * topology.
	+ *
	+ * Returns a ref-counted reference to the topology description. The returned
	+ * reference must later be released with mc_tpld_drop_ref(). The contents of the
	+ * topology description are immutable.
	+ */
	+static BSON_INLINE mc_shared_tpld
	+mc_tpld_take_ref (const mongoc_topology_t *tpl)
	+{
	+ return (mc_shared_tpld){
	+ ._sptr_ = mongoc_atomic_shared_ptr_load (&tpl->_shared_descr_._sptr_)};
	+}
	+
	+/**
	+ * @brief Release a reference to a topology description obtained via
	+ * mc_tpld_take_ref().
	+ *
	+ * The pointed-to shared reference will be reset to NULL.
	+ */
	+static BSON_INLINE void
	+mc_tpld_drop_ref (mc_shared_tpld *p)
	+{
	+ mongoc_shared_ptr_reset_null (&p->_sptr_);
	+}
	+
	+/**
	+ * @brief Refresh a reference to a topology description for the given topology.
	+ *
	+ * @param td Pointer-to-shared-pointer of the topology description
	+ * @param tpl The topology to query.
	+ *
	+ * The pointed-to shared pointer will be modified to refer to the topology
	+ * description of the topology.
	+ *
	+ * Equivalent to a call to `mc_tpld_drop_ref()` followed by a call to
	+ * `mc_tpld_take_ref()`.
	+ */
	+static BSON_INLINE void
	+mc_tpld_renew_ref (mc_shared_tpld td, mongoc_topology_t tpl)
	+{
	+ mc_tpld_drop_ref (td);
	+ *td = mc_tpld_take_ref (tpl);
	+}
	+
	+/**
	+ * @brief A pending topology description modification.
	+ *
	+ * Create an instance using `mc_tpld_modify_begin()`.
	+ */
	+typedef struct mc_tpld_modification {
	+ /** The new topology. Modifications should be applied to this topology
	+ * description. Those modifications will be published by
	+ * `mc_tpld_modify_commit()`. */
	+ mongoc_topology_description_t *new_td;
	+ /** The topology that owns the topology description */
	+ mongoc_topology_t *topology;
	+} mc_tpld_modification;
	+
	+/**
	+ * @brief Begin a new modification transaction of the topology description owned
	+ * by `tpl`
	+ *
	+ * @return mc_tpld_modification A pending modification.
	+ *
	+ * @note MUST be followed by a call to `mc_tpld_modify_commit` OR
	+ * `mc_tpld_modify_drop`
	+ *
	+ * @note THIS FUNCTION MAY BLOCK: This call takes a lock, which will only be
	+ * released by mc_tpld_modify_commit() or mc_tpld_modify_drop(). Do not call
	+ * this API while the current thread is already performing a modification!
	+ */
	+mc_tpld_modification
	+mc_tpld_modify_begin (mongoc_topology_t *tpl);
	+
	+/**
	+ * @brief Commit a topology description modification to the owning topology.
	+ *
	+ * All later calls to mc_tpld_take_ref() will see the new topology.
	+ */
	+void mc_tpld_modify_commit (mc_tpld_modification);
	+
	+/**
	+ * @brief Drop a pending modification to a topology description. No changes will
	+ * be made to the topology.
	+ */
	+void mc_tpld_modify_drop (mc_tpld_modification);
	+
	+/**
	+ * @brief Obtain a pointer-to-mutable mongoc_topology_description_t for the
	+ * given topology.
	+ *
	+ * This call is "unsafe" as the returned pointer may be invalidated by
	+ * concurrent modifications done using mc_tpld_modify_begin() and
	+ * mc_tpld_modify_commit().
	+ *
	+ * To obtain a safe pointer to the topology description, use mc_tpld_take_ref().
	+ */
	+static BSON_INLINE mongoc_topology_description_t *
	+mc_tpld_unsafe_get_mutable (mongoc_topology_t *tpl)
	+{
	+ return tpl->_shared_descr_._sptr_.ptr;
	+}
	+
	+/**
	+ * @brief Obtain a pointer-to-const mongoc_topology_description_t for the
	+ * given topology.
	+ *
	+ * This call is "unsafe" as the returned pointer may be invalidated by
	+ * concurrent modifications done using mc_tpld_modify_begin() and
	+ * mc_tpld_modify_commit().
	+ *
	+ * To obtain a safe pointer to the topology description, use mc_tpld_take_ref().
	+ *
	+ * @return const mongoc_topology_description_t* Pointer to the topology
	+ * description for the given topology.
	+ */
	+static BSON_INLINE const mongoc_topology_description_t *
	+mc_tpld_unsafe_get_const (const mongoc_topology_t *tpl)
	+{
	+ return tpl->_shared_descr_._sptr_.ptr;
	+}
	+
	+/**
	+ * @brief Directly invalidate a server in the topology by its ID.
	+ *
	+ * This is intended for testing purposes, as it provides thread-safe
	+ * direct topology modification.
	+ *
	+ * @param td The topology to modify.
	+ * @param server_id The ID of a server in the topology.
	+ */
	+static BSON_INLINE void
	+_mongoc_topology_invalidate_server (mongoc_topology_t *td, uint32_t server_id)
	+{
	+ bson_error_t error;
	+ mc_tpld_modification tdmod = mc_tpld_modify_begin (td);
	+ bson_set_error (
	+ &error, MONGOC_ERROR_STREAM, MONGOC_ERROR_STREAM_CONNECT, "invalidated");
	+ mongoc_topology_description_invalidate_server (
	+ tdmod.new_td, server_id, &error);
	+ mc_tpld_modify_commit (tdmod);
	+}
	+
	+/* Return an array view to `max_hosts` or fewer elements of `hl`, or NULL if
	+ * `hl` is empty. The size of the returned array is written to `hl_array_size`
	+ * even if `hl` is empty.
	+ *
	+ * The returned array must be freed with `bson_free()`. The elements of the
	+ * array must not be freed, as they are still owned by `hl`.
	+ */
	+const mongoc_host_list_t **
	+_mongoc_apply_srv_max_hosts (const mongoc_host_list_t *hl,
	+ int32_t max_hosts,
	+ size_t *hl_array_size);
	+
	+#endif
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner-private.h
	new file mode 100644
	index 00000000..5344da08
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner-private.h
	@@ -0,0 +1,285 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_TOPOLOGY_SCANNER_PRIVATE_H
	+#define MONGOC_TOPOLOGY_SCANNER_PRIVATE_H
	+
	+/* TODO: rename to TOPOLOGY scanner */
	+
	+#include <bson/bson.h>
	+#include "mongoc-async-private.h"
	+#include "mongoc-async-cmd-private.h"
	+#include "mongoc-handshake-private.h"
	+#include "mongoc-host-list.h"
	+#include "mongoc-apm-private.h"
	+#include "mongoc-scram-private.h"
	+#include "mongoc-ssl.h"
	+#include "mongoc-crypto-private.h"
	+#include "mongoc-server-description-private.h"
	+#include "common-thread-private.h"
	+
	+BSON_BEGIN_DECLS
	+
	+typedef void (*mongoc_topology_scanner_setup_err_cb_t) (
	+ uint32_t id, void data, const bson_error_t error /* IN */);
	+
	+typedef void (*mongoc_topology_scanner_cb_t) (
	+ uint32_t id,
	+ const bson_t *bson,
	+ int64_t rtt,
	+ void *data,
	+ const bson_error_t error / IN */);
	+
	+struct mongoc_topology_scanner;
	+struct mongoc_topology_scanner_node;
	+
	+typedef struct mongoc_topology_scanner_node {
	+ uint32_t id;
	+ /* after scanning, this is set to the successful stream if one exists. */
	+ mongoc_stream_t *stream;
	+
	+ int64_t last_used;
	+ /* last_failed is set upon a network error trying to check a server.
	+ * last_failed is used to enforce cooldownMS.
	+ * last_failed is not set upon a network error during an application operation on @stream. */
	+ int64_t last_failed;
	+ bool has_auth;
	+ bool hello_ok;
	+ mongoc_host_list_t host;
	+ struct mongoc_topology_scanner *ts;
	+
	+ struct mongoc_topology_scanner_node *next;
	+ struct mongoc_topology_scanner_node *prev;
	+
	+ bool retired;
	+ bson_error_t last_error;
	+
	+ /* the hostname for a node may resolve to multiple DNS results.
	+ * dns_results has the full list of DNS results, ordered by host preference.
	+ * successful_dns_result is the most recent successful DNS result.
	+ */
	+ struct addrinfo *dns_results;
	+ struct addrinfo *successful_dns_result;
	+ int64_t last_dns_cache;
	+
	+ /* used by single-threaded clients to store negotiated sasl mechanisms on a
	+ * node. */
	+ mongoc_handshake_sasl_supported_mechs_t sasl_supported_mechs;
	+ bool negotiated_sasl_supported_mechs;
	+ bson_t speculative_auth_response;
	+ mongoc_scram_t scram;
	+
	+ /* handshake_sd is a server description constructed from the response of the
	+ * initial handshake. It is bound to the lifetime of stream. */
	+ mongoc_server_description_t *handshake_sd;
	+} mongoc_topology_scanner_node_t;
	+
	+typedef enum handshake_state_t {
	+ /**
	+ * The handshake command has no value. The handshake_cmd pointer will be
	+ * NULL.
	+ */
	+ HANDSHAKE_CMD_UNINITIALIZED,
	+ /**
	+ * The handshake command could not be constructed because it would be too
	+ * large. The handshake_cmd pointer will be NULL.
	+ */
	+ HANDSHAKE_CMD_TOO_BIG,
	+ /**
	+ * The handshake command is valid and ready to be copied-from.
	+ */
	+ HANDSHAKE_CMD_OKAY,
	+} handshake_state_t;
	+
	+typedef struct mongoc_topology_scanner {
	+ mongoc_async_t *async;
	+ int64_t connect_timeout_msec;
	+ mongoc_topology_scanner_node_t *nodes;
	+ bson_t hello_cmd;
	+ bson_t legacy_hello_cmd;
	+ bson_mutex_t handshake_cmd_mtx;
	+ bson_t *handshake_cmd;
	+ handshake_state_t handshake_state;
	+ bson_t cluster_time;
	+ const char *appname;
	+
	+ mongoc_topology_scanner_setup_err_cb_t setup_err_cb;
	+ mongoc_topology_scanner_cb_t cb;
	+ void *cb_data;
	+ const mongoc_uri_t *uri;
	+ mongoc_async_cmd_setup_t setup;
	+ mongoc_stream_initiator_t initiator;
	+ void *initiator_context;
	+ bson_error_t error;
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ mongoc_ssl_opt_t *ssl_opts;
	+#endif
	+
	+ mongoc_apm_callbacks_t apm_callbacks;
	+ void *apm_context;
	+ int64_t dns_cache_timeout_ms;
	+ /* only used by single-threaded clients to negotiate auth mechanisms. */
	+ bool negotiate_sasl_supported_mechs;
	+ bool bypass_cooldown;
	+ bool speculative_authentication;
	+
	+ mongoc_server_api_t *api;
	+ bool loadbalanced;
	+} mongoc_topology_scanner_t;
	+
	+mongoc_topology_scanner_t *
	+mongoc_topology_scanner_new (
	+ const mongoc_uri_t *uri,
	+ mongoc_topology_scanner_setup_err_cb_t setup_err_cb,
	+ mongoc_topology_scanner_cb_t cb,
	+ void *data,
	+ int64_t connect_timeout_msec);
	+
	+void
	+mongoc_topology_scanner_destroy (mongoc_topology_scanner_t *ts);
	+
	+bool
	+mongoc_topology_scanner_valid (mongoc_topology_scanner_t *ts);
	+
	+void
	+mongoc_topology_scanner_add (mongoc_topology_scanner_t *ts,
	+ const mongoc_host_list_t *host,
	+ uint32_t id,
	+ bool hello_ok);
	+
	+void
	+mongoc_topology_scanner_scan (mongoc_topology_scanner_t *ts, uint32_t id);
	+
	+void
	+mongoc_topology_scanner_disconnect (mongoc_topology_scanner_t *scanner);
	+
	+void
	+mongoc_topology_scanner_node_retire (mongoc_topology_scanner_node_t *node);
	+
	+void
	+mongoc_topology_scanner_node_disconnect (mongoc_topology_scanner_node_t *node,
	+ bool failed);
	+
	+void
	+mongoc_topology_scanner_node_destroy (mongoc_topology_scanner_node_t *node,
	+ bool failed);
	+
	+bool
	+mongoc_topology_scanner_in_cooldown (mongoc_topology_scanner_t *ts,
	+ int64_t when);
	+
	+void
	+mongoc_topology_scanner_start (mongoc_topology_scanner_t *ts,
	+ bool obey_cooldown);
	+
	+void
	+mongoc_topology_scanner_work (mongoc_topology_scanner_t *ts);
	+
	+void
	+_mongoc_topology_scanner_finish (mongoc_topology_scanner_t *ts);
	+
	+void
	+mongoc_topology_scanner_get_error (mongoc_topology_scanner_t *ts,
	+ bson_error_t *error);
	+
	+void
	+mongoc_topology_scanner_reset (mongoc_topology_scanner_t *ts);
	+
	+void
	+mongoc_topology_scanner_node_setup (mongoc_topology_scanner_node_t *node,
	+ bson_error_t *error);
	+
	+mongoc_topology_scanner_node_t *
	+mongoc_topology_scanner_get_node (mongoc_topology_scanner_t *ts, uint32_t id);
	+
	+void
	+_mongoc_topology_scanner_add_speculative_authentication (
	+ bson_t *cmd,
	+ const mongoc_uri_t *uri,
	+ const mongoc_ssl_opt_t *ssl_opts,
	+ mongoc_scram_cache_t *scram_cache,
	+ mongoc_scram_t scram / OUT */);
	+
	+void
	+_mongoc_topology_scanner_parse_speculative_authentication (
	+ const bson_t hello, bson_t speculative_authenticate);
	+
	+const char *
	+_mongoc_topology_scanner_get_speculative_auth_mechanism (
	+ const mongoc_uri_t *uri);
	+
	+const bson_t *
	+_mongoc_topology_scanner_get_monitoring_cmd (mongoc_topology_scanner_t *ts,
	+ bool hello_ok);
	+
	+/**
	+ * @brief Get the scanner's associated handshake command BSON document.
	+ *
	+ * @param ts The scanner to inspect
	+ * @param copy_into A pointer to an initialized bson_t. The handshake command
	+ * will be copied into the pointee.
	+ */
	+void
	+_mongoc_topology_scanner_dup_handshake_cmd (mongoc_topology_scanner_t *ts,
	+ bson_t *copy_into);
	+
	+bool
	+mongoc_topology_scanner_has_node_for_host (mongoc_topology_scanner_t *ts,
	+ mongoc_host_list_t *host);
	+
	+void
	+mongoc_topology_scanner_set_stream_initiator (mongoc_topology_scanner_t *ts,
	+ mongoc_stream_initiator_t si,
	+ void *ctx);
	+bool
	+_mongoc_topology_scanner_set_appname (mongoc_topology_scanner_t *ts,
	+ const char *name);
	+void
	+_mongoc_topology_scanner_set_cluster_time (mongoc_topology_scanner_t *ts,
	+ const bson_t *cluster_time);
	+
	+void
	+_mongoc_topology_scanner_set_dns_cache_timeout (mongoc_topology_scanner_t *ts,
	+ int64_t timeout_ms);
	+
	+#ifdef MONGOC_ENABLE_SSL
	+void
	+mongoc_topology_scanner_set_ssl_opts (mongoc_topology_scanner_t *ts,
	+ mongoc_ssl_opt_t *opts);
	+#endif
	+
	+bool
	+mongoc_topology_scanner_node_in_cooldown (mongoc_topology_scanner_node_t *node,
	+ int64_t when);
	+
	+void
	+_mongoc_topology_scanner_set_server_api (mongoc_topology_scanner_t *ts,
	+ const mongoc_server_api_t *api);
	+
	+void
	+_mongoc_topology_scanner_set_loadbalanced (mongoc_topology_scanner_t *ts,
	+ bool val);
	+
	+/* for testing. */
	+mongoc_stream_t *
	+_mongoc_topology_scanner_tcp_initiate (mongoc_async_cmd_t *acmd);
	+
	+BSON_END_DECLS
	+
	+#endif /* MONGOC_TOPOLOGY_SCANNER_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner.c
	new file mode 100644
	index 00000000..553468e2
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology-scanner.c
	@@ -0,0 +1,1488 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-config.h"
	+#include "mongoc-error.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-topology-scanner-private.h"
	+#include "mongoc-stream-private.h"
	+#include "mongoc-stream-socket.h"
	+
	+#include "mongoc-handshake.h"
	+#include "mongoc-handshake-private.h"
	+
	+#ifdef MONGOC_ENABLE_SSL
	+#include "mongoc-stream-tls.h"
	+#endif
	+
	+#include "mongoc-counters-private.h"
	+#include "utlist.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-host-list-private.h"
	+#include "mongoc-uri-private.h"
	+#include "mongoc-cluster-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-util-private.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "topology_scanner"
	+
	+#define DNS_CACHE_TIMEOUT_MS 10 * 60 * 1000
	+#define HAPPY_EYEBALLS_DELAY_MS 250
	+
	+/* forward declarations */
	+static void
	+_async_connected (mongoc_async_cmd_t *acmd);
	+
	+static void
	+_async_success (mongoc_async_cmd_t *acmd,
	+ const bson_t *hello_response,
	+ int64_t duration_usec);
	+
	+static void
	+_async_error_or_timeout (mongoc_async_cmd_t *acmd,
	+ int64_t duration_usec,
	+ const char *default_err_msg);
	+
	+static void
	+_async_handler (mongoc_async_cmd_t *acmd,
	+ mongoc_async_cmd_result_t async_status,
	+ const bson_t *hello_response,
	+ int64_t duration_usec);
	+
	+static void
	+_mongoc_topology_scanner_monitor_heartbeat_started (
	+ const mongoc_topology_scanner_t ts, const mongoc_host_list_t host);
	+
	+static void
	+_mongoc_topology_scanner_monitor_heartbeat_succeeded (
	+ const mongoc_topology_scanner_t *ts,
	+ const mongoc_host_list_t *host,
	+ const bson_t *reply,
	+ int64_t duration_usec);
	+
	+static void
	+_mongoc_topology_scanner_monitor_heartbeat_failed (
	+ const mongoc_topology_scanner_t *ts,
	+ const mongoc_host_list_t *host,
	+ const bson_error_t *error,
	+ int64_t duration_usec);
	+
	+
	+/* reset "retired" nodes that failed or were removed in the previous scan */
	+static void
	+_delete_retired_nodes (mongoc_topology_scanner_t *ts);
	+
	+/* cancel any pending async commands for a specific node excluding acmd.
	+ * If acmd is NULL, cancel all async commands on the node. */
	+static void
	+_cancel_commands_excluding (mongoc_topology_scanner_node_t *node,
	+ mongoc_async_cmd_t *acmd);
	+
	+/* return the number of pending async commands for a node. */
	+static int
	+_count_acmds (mongoc_topology_scanner_node_t *node);
	+
	+/* if acmd fails, schedule the sibling commands sooner. */
	+static void
	+_jumpstart_other_acmds (mongoc_topology_scanner_node_t *node,
	+ mongoc_async_cmd_t *acmd);
	+
	+static void
	+_add_hello (mongoc_topology_scanner_t *ts)
	+{
	+ mongoc_server_api_t *api = ts->api;
	+
	+ BSON_APPEND_INT32 (&ts->hello_cmd, "hello", 1);
	+ BSON_APPEND_BOOL (&ts->hello_cmd, "helloOk", true);
	+
	+ BSON_APPEND_INT32 (&ts->legacy_hello_cmd, HANDSHAKE_CMD_LEGACY_HELLO, 1);
	+ BSON_APPEND_BOOL (&ts->legacy_hello_cmd, "helloOk", true);
	+
	+ if (api) {
	+ _mongoc_cmd_append_server_api (&ts->hello_cmd, api);
	+ }
	+}
	+
	+static void
	+_init_hello (mongoc_topology_scanner_t *ts)
	+{
	+ bson_init (&ts->hello_cmd);
	+ bson_init (&ts->legacy_hello_cmd);
	+ bson_init (&ts->cluster_time);
	+ ts->handshake_cmd = NULL;
	+
	+ _add_hello (ts);
	+}
	+
	+static void
	+_reset_hello (mongoc_topology_scanner_t *ts)
	+{
	+ bson_t *prev_cmd;
	+ bson_reinit (&ts->hello_cmd);
	+ bson_reinit (&ts->legacy_hello_cmd);
	+
	+ bson_mutex_lock (&ts->handshake_cmd_mtx);
	+ prev_cmd = ts->handshake_cmd;
	+ ts->handshake_cmd = NULL;
	+ ts->handshake_state = HANDSHAKE_CMD_UNINITIALIZED;
	+ bson_mutex_unlock (&ts->handshake_cmd_mtx);
	+ bson_destroy (prev_cmd);
	+
	+ _add_hello (ts);
	+}
	+
	+const char *
	+_mongoc_topology_scanner_get_speculative_auth_mechanism (
	+ const mongoc_uri_t *uri)
	+{
	+ const char *mechanism = mongoc_uri_get_auth_mechanism (uri);
	+ bool requires_auth = mechanism \|\| mongoc_uri_get_username (uri);
	+
	+ if (!requires_auth) {
	+ return NULL;
	+ }
	+
	+ if (!mechanism) {
	+ return "SCRAM-SHA-256";
	+ }
	+
	+ return mechanism;
	+}
	+
	+void
	+_mongoc_topology_scanner_add_speculative_authentication (
	+ bson_t *cmd,
	+ const mongoc_uri_t *uri,
	+ const mongoc_ssl_opt_t *ssl_opts,
	+ mongoc_scram_cache_t *scram_cache,
	+ mongoc_scram_t scram / OUT */)
	+{
	+ bson_t auth_cmd;
	+ bson_error_t error;
	+ bool has_auth = false;
	+ const char *mechanism =
	+ _mongoc_topology_scanner_get_speculative_auth_mechanism (uri);
	+
	+ if (!mechanism) {
	+ return;
	+ }
	+
	+ if (strcasecmp (mechanism, "MONGODB-X509") == 0) {
	+ /* Ignore errors while building authentication document: we proceed with
	+ * the handshake as usual and let the subsequent authenticate command
	+ * fail. */
	+ if (_mongoc_cluster_get_auth_cmd_x509 (
	+ uri, ssl_opts, &auth_cmd, &error)) {
	+ has_auth = true;
	+ BSON_APPEND_UTF8 (&auth_cmd, "db", "$external");
	+ }
	+ }
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ if (strcasecmp (mechanism, "SCRAM-SHA-1") == 0 \|\|
	+ strcasecmp (mechanism, "SCRAM-SHA-256") == 0) {
	+ mongoc_crypto_hash_algorithm_t algo =
	+ strcasecmp (mechanism, "SCRAM-SHA-1") == 0
	+ ? MONGOC_CRYPTO_ALGORITHM_SHA_1
	+ : MONGOC_CRYPTO_ALGORITHM_SHA_256;
	+
	+ _mongoc_uri_init_scram (uri, scram, algo);
	+
	+ if (scram_cache) {
	+ _mongoc_scram_set_cache (scram, scram_cache);
	+ }
	+
	+ if (_mongoc_cluster_get_auth_cmd_scram (algo, scram, &auth_cmd, &error)) {
	+ const char *auth_source;
	+
	+ if (!(auth_source = mongoc_uri_get_auth_source (uri)) \|\|
	+ (*auth_source == '\0')) {
	+ auth_source = "admin";
	+ }
	+
	+ has_auth = true;
	+ BSON_APPEND_UTF8 (&auth_cmd, "db", auth_source);
	+ }
	+ }
	+#endif
	+
	+ if (has_auth) {
	+ BSON_APPEND_DOCUMENT (cmd, "speculativeAuthenticate", &auth_cmd);
	+ bson_destroy (&auth_cmd);
	+ }
	+}
	+
	+void
	+_mongoc_topology_scanner_parse_speculative_authentication (
	+ const bson_t hello, bson_t speculative_authenticate)
	+{
	+ bson_iter_t iter;
	+ uint32_t data_len;
	+ const uint8_t *data;
	+ bson_t auth_response;
	+
	+ BSON_ASSERT (hello);
	+ BSON_ASSERT (speculative_authenticate);
	+
	+ if (!bson_iter_init_find (&iter, hello, "speculativeAuthenticate")) {
	+ return;
	+ }
	+
	+ bson_iter_document (&iter, &data_len, &data);
	+ BSON_ASSERT (bson_init_static (&auth_response, data, data_len));
	+
	+ bson_destroy (speculative_authenticate);
	+ bson_copy_to (&auth_response, speculative_authenticate);
	+}
	+
	+static bson_t *
	+_build_handshake_cmd (const bson_t *basis_cmd,
	+ const char *appname,
	+ const mongoc_uri_t *uri,
	+ bool is_loadbalanced)
	+{
	+ bson_t *doc = bson_copy (basis_cmd);
	+ bson_t subdoc;
	+ bson_iter_t iter;
	+ const char *key;
	+ int keylen;
	+ const bson_t *compressors;
	+ int count = 0;
	+ char buf[16];
	+ bool subdoc_okay;
	+
	+ BSON_APPEND_DOCUMENT_BEGIN (doc, HANDSHAKE_FIELD, &subdoc);
	+ subdoc_okay =
	+ _mongoc_handshake_build_doc_with_application (&subdoc, appname);
	+ bson_append_document_end (doc, &subdoc);
	+
	+ if (!subdoc_okay) {
	+ bson_destroy (doc);
	+ return NULL;
	+ }
	+
	+ BSON_APPEND_ARRAY_BEGIN (doc, "compression", &subdoc);
	+ if (uri) {
	+ compressors = mongoc_uri_get_compressors (uri);
	+
	+ if (bson_iter_init (&iter, compressors)) {
	+ while (bson_iter_next (&iter)) {
	+ keylen = bson_uint32_to_string (count++, &key, buf, sizeof buf);
	+ bson_append_utf8 (
	+ &subdoc, key, (int) keylen, bson_iter_key (&iter), -1);
	+ }
	+ }
	+ }
	+ bson_append_array_end (doc, &subdoc);
	+
	+ if (is_loadbalanced) {
	+ BSON_APPEND_BOOL (doc, "loadBalanced", true);
	+ }
	+
	+ /* Return whether the handshake doc fit the size limit */
	+ return doc;
	+}
	+
	+const bson_t *
	+_mongoc_topology_scanner_get_monitoring_cmd (mongoc_topology_scanner_t *ts,
	+ bool hello_ok)
	+{
	+ return hello_ok \|\| ts->api ? &ts->hello_cmd : &ts->legacy_hello_cmd;
	+}
	+
	+void
	+_mongoc_topology_scanner_dup_handshake_cmd (mongoc_topology_scanner_t *ts,
	+ bson_t *copy_into)
	+{
	+ bson_t *new_cmd;
	+ const char *appname;
	+ BSON_ASSERT_PARAM (ts);
	+ BSON_ASSERT_PARAM (copy_into);
	+
	+ /* appname will only be changed from NULL, so a non-null pointer will never
	+ * be invalidated after this fetch. */
	+ appname =
	+ bson_atomic_ptr_fetch ((void *) &ts->appname, bson_memory_order_relaxed);
	+
	+ bson_mutex_lock (&ts->handshake_cmd_mtx);
	+ /* If this is the first time using the node or if it's the first time
	+ * using it after a failure, build handshake doc */
	+ if (ts->handshake_state != HANDSHAKE_CMD_UNINITIALIZED) {
	+ /* We're good to just return the handshake now */
	+ goto after_init;
	+ }
	+
	+ /* There is not yet a handshake command associated with this scanner.
	+ * Initialize one and set it now. */
	+ /* Note: Don't hold the mutex while we build our command */
	+ /* Construct a new handshake command to be sent */
	+ BSON_ASSERT (ts->handshake_cmd == NULL);
	+ bson_mutex_unlock (&ts->handshake_cmd_mtx);
	+ new_cmd =
	+ _build_handshake_cmd (ts->api ? &ts->hello_cmd : &ts->legacy_hello_cmd,
	+ appname,
	+ ts->uri,
	+ ts->loadbalanced);
	+ bson_mutex_lock (&ts->handshake_cmd_mtx);
	+ if (ts->handshake_state != HANDSHAKE_CMD_UNINITIALIZED) {
	+ /* Someone else updated the handshake_cmd while we were building ours.
	+ * Defer to their copy and just destroy the one we created. */
	+ bson_destroy (new_cmd);
	+ goto after_init;
	+ }
	+ BSON_ASSERT (ts->handshake_cmd == NULL);
	+ /* We're still the one updating the command */
	+ ts->handshake_cmd = new_cmd;
	+ /* The "_build" may have failed. */
	+ /* Even if new_cmd is NULL, this is still what we want */
	+ ts->handshake_state =
	+ new_cmd == NULL ? HANDSHAKE_CMD_TOO_BIG : HANDSHAKE_CMD_OKAY;
	+ if (ts->handshake_state == HANDSHAKE_CMD_TOO_BIG) {
	+ MONGOC_WARNING ("Handshake doc too big, not including in hello");
	+ }
	+
	+after_init:
	+ /* If the doc turned out to be too big */
	+ if (ts->handshake_state == HANDSHAKE_CMD_TOO_BIG) {
	+ bson_t *ret = ts->api ? &ts->hello_cmd : &ts->legacy_hello_cmd;
	+ bson_copy_to (ret, copy_into);
	+ } else {
	+ BSON_ASSERT (ts->handshake_cmd != NULL);
	+ bson_copy_to (ts->handshake_cmd, copy_into);
	+ }
	+ bson_mutex_unlock (&ts->handshake_cmd_mtx);
	+}
	+
	+static void
	+_begin_hello_cmd (mongoc_topology_scanner_node_t *node,
	+ mongoc_stream_t *stream,
	+ bool is_setup_done,
	+ struct addrinfo *dns_result,
	+ int64_t initiate_delay_ms,
	+ bool use_handshake)
	+{
	+ mongoc_topology_scanner_t *ts = node->ts;
	+ bson_t cmd;
	+
	+ if (node->last_used != -1 && node->last_failed == -1 && !use_handshake) {
	+ /* The node's been used before and not failed recently */
	+ bson_copy_to (
	+ _mongoc_topology_scanner_get_monitoring_cmd (ts, node->hello_ok),
	+ &cmd);
	+ } else {
	+ _mongoc_topology_scanner_dup_handshake_cmd (ts, &cmd);
	+ }
	+
	+ if (node->ts->negotiate_sasl_supported_mechs &&
	+ !node->negotiated_sasl_supported_mechs) {
	+ _mongoc_handshake_append_sasl_supported_mechs (ts->uri, &cmd);
	+ }
	+
	+ if (node->ts->speculative_authentication && !node->has_auth &&
	+ bson_empty (&node->speculative_auth_response) && node->scram.step == 0) {
	+ mongoc_ssl_opt_t *ssl_opts = NULL;
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ ssl_opts = ts->ssl_opts;
	+#endif
	+
	+ _mongoc_topology_scanner_add_speculative_authentication (
	+ &cmd, ts->uri, ssl_opts, NULL, &node->scram);
	+ }
	+
	+ if (!bson_empty (&ts->cluster_time)) {
	+ bson_append_document (&cmd, "$clusterTime", 12, &ts->cluster_time);
	+ }
	+
	+ /* if the node should connect with a TCP socket, stream will be null, and
	+ * dns_result will be set. The async loop is responsible for calling the
	+ * _tcp_initiator to construct TCP sockets. */
	+ mongoc_async_cmd_new (ts->async,
	+ stream,
	+ is_setup_done,
	+ dns_result,
	+ _mongoc_topology_scanner_tcp_initiate,
	+ initiate_delay_ms,
	+ ts->setup,
	+ node->host.host,
	+ "admin",
	+ &cmd,
	+ &_async_handler,
	+ node,
	+ ts->connect_timeout_msec);
	+
	+ bson_destroy (&cmd);
	+}
	+
	+
	+mongoc_topology_scanner_t *
	+mongoc_topology_scanner_new (
	+ const mongoc_uri_t *uri,
	+ mongoc_topology_scanner_setup_err_cb_t setup_err_cb,
	+ mongoc_topology_scanner_cb_t cb,
	+ void *data,
	+ int64_t connect_timeout_msec)
	+{
	+ mongoc_topology_scanner_t *ts =
	+ (mongoc_topology_scanner_t ) bson_malloc0 (sizeof (ts));
	+
	+ ts->async = mongoc_async_new ();
	+
	+ ts->setup_err_cb = setup_err_cb;
	+ ts->cb = cb;
	+ ts->cb_data = data;
	+ ts->uri = uri;
	+ ts->appname = NULL;
	+ ts->api = NULL;
	+ ts->handshake_state = HANDSHAKE_CMD_UNINITIALIZED;
	+ ts->connect_timeout_msec = connect_timeout_msec;
	+ /* may be overridden for testing. */
	+ ts->dns_cache_timeout_ms = DNS_CACHE_TIMEOUT_MS;
	+ bson_mutex_init (&ts->handshake_cmd_mtx);
	+
	+ _init_hello (ts);
	+
	+ return ts;
	+}
	+
	+#ifdef MONGOC_ENABLE_SSL
	+void
	+mongoc_topology_scanner_set_ssl_opts (mongoc_topology_scanner_t *ts,
	+ mongoc_ssl_opt_t *opts)
	+{
	+ ts->ssl_opts = opts;
	+ ts->setup = mongoc_async_cmd_tls_setup;
	+}
	+#endif
	+
	+void
	+mongoc_topology_scanner_set_stream_initiator (mongoc_topology_scanner_t *ts,
	+ mongoc_stream_initiator_t si,
	+ void *ctx)
	+{
	+ ts->initiator = si;
	+ ts->initiator_context = ctx;
	+ ts->setup = NULL;
	+}
	+
	+void
	+mongoc_topology_scanner_destroy (mongoc_topology_scanner_t *ts)
	+{
	+ mongoc_topology_scanner_node_t ele, tmp;
	+
	+ DL_FOREACH_SAFE (ts->nodes, ele, tmp)
	+ {
	+ mongoc_topology_scanner_node_destroy (ele, false);
	+ }
	+
	+ mongoc_async_destroy (ts->async);
	+ bson_destroy (&ts->hello_cmd);
	+ bson_destroy (&ts->legacy_hello_cmd);
	+ bson_destroy (ts->handshake_cmd);
	+ bson_destroy (&ts->cluster_time);
	+ mongoc_server_api_destroy (ts->api);
	+ bson_mutex_destroy (&ts->handshake_cmd_mtx);
	+
	+ /* This field can be set by a mongoc_client */
	+ bson_free ((char *) ts->appname);
	+
	+ bson_free (ts);
	+}
	+
	+/* whether the scanner was successfully initialized - false if a mongodb+srv
	+ * URI failed to resolve to any hosts */
	+bool
	+mongoc_topology_scanner_valid (mongoc_topology_scanner_t *ts)
	+{
	+ return ts->nodes != NULL;
	+}
	+
	+void
	+mongoc_topology_scanner_add (mongoc_topology_scanner_t *ts,
	+ const mongoc_host_list_t *host,
	+ uint32_t id,
	+ bool hello_ok)
	+{
	+ mongoc_topology_scanner_node_t *node;
	+
	+ node = (mongoc_topology_scanner_node_t ) bson_malloc0 (sizeof (node));
	+
	+ memcpy (&node->host, host, sizeof (*host));
	+
	+ node->id = id;
	+ node->ts = ts;
	+ node->last_failed = -1;
	+ node->last_used = -1;
	+ node->hello_ok = hello_ok;
	+ bson_init (&node->speculative_auth_response);
	+
	+ DL_APPEND (ts->nodes, node);
	+}
	+
	+void
	+mongoc_topology_scanner_scan (mongoc_topology_scanner_t *ts, uint32_t id)
	+{
	+ mongoc_topology_scanner_node_t *node;
	+
	+ node = mongoc_topology_scanner_get_node (ts, id);
	+
	+ /* begin non-blocking connection, don't wait for success */
	+ if (node) {
	+ mongoc_topology_scanner_node_setup (node, &node->last_error);
	+ }
	+
	+ /* if setup fails the node stays in the scanner. destroyed after the scan. */
	+}
	+
	+void
	+mongoc_topology_scanner_disconnect (mongoc_topology_scanner_t *scanner)
	+{
	+ mongoc_topology_scanner_node_t *node;
	+
	+ BSON_ASSERT (scanner);
	+ node = scanner->nodes;
	+
	+ while (node) {
	+ mongoc_topology_scanner_node_disconnect (node, false);
	+ node = node->next;
	+ }
	+}
	+
	+void
	+mongoc_topology_scanner_node_retire (mongoc_topology_scanner_node_t *node)
	+{
	+ /* cancel any pending commands. */
	+ _cancel_commands_excluding (node, NULL);
	+
	+ node->retired = true;
	+}
	+
	+void
	+mongoc_topology_scanner_node_disconnect (mongoc_topology_scanner_node_t *node,
	+ bool failed)
	+{
	+ /* the node may or may not have succeeded in finding a working stream. */
	+ if (node->stream) {
	+ if (failed) {
	+ mongoc_stream_failed (node->stream);
	+ } else {
	+ mongoc_stream_destroy (node->stream);
	+ }
	+
	+ node->stream = NULL;
	+ memset (
	+ &node->sasl_supported_mechs, 0, sizeof (node->sasl_supported_mechs));
	+ node->negotiated_sasl_supported_mechs = false;
	+ bson_reinit (&node->speculative_auth_response);
	+ }
	+ mongoc_server_description_destroy (node->handshake_sd);
	+ node->handshake_sd = NULL;
	+}
	+
	+void
	+mongoc_topology_scanner_node_destroy (mongoc_topology_scanner_node_t *node,
	+ bool failed)
	+{
	+ DL_DELETE (node->ts->nodes, node);
	+ mongoc_topology_scanner_node_disconnect (node, failed);
	+ if (node->dns_results) {
	+ freeaddrinfo (node->dns_results);
	+ }
	+
	+ bson_destroy (&node->speculative_auth_response);
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+ _mongoc_scram_destroy (&node->scram);
	+#endif
	+
	+ bson_free (node);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_get_node --
	+ *
	+ * Return the scanner node with the given id.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+mongoc_topology_scanner_node_t *
	+mongoc_topology_scanner_get_node (mongoc_topology_scanner_t *ts, uint32_t id)
	+{
	+ mongoc_topology_scanner_node_t ele, tmp;
	+
	+ DL_FOREACH_SAFE (ts->nodes, ele, tmp)
	+ {
	+ if (ele->id == id) {
	+ return ele;
	+ }
	+
	+ if (ele->id > id) {
	+ break;
	+ }
	+ }
	+
	+ return NULL;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_has_node_for_host --
	+ *
	+ * Whether the scanner has a node for the given host and port.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_scanner_has_node_for_host (mongoc_topology_scanner_t *ts,
	+ mongoc_host_list_t *host)
	+{
	+ mongoc_topology_scanner_node_t ele, tmp;
	+
	+ DL_FOREACH_SAFE (ts->nodes, ele, tmp)
	+ {
	+ if (_mongoc_host_list_compare_one (&ele->host, host)) {
	+ return true;
	+ }
	+ }
	+
	+ return false;
	+}
	+
	+static void
	+_async_connected (mongoc_async_cmd_t *acmd)
	+{
	+ mongoc_topology_scanner_node_t *node =
	+ (mongoc_topology_scanner_node_t *) acmd->data;
	+ /* this cmd connected successfully, cancel other cmds on this node. */
	+ _cancel_commands_excluding (node, acmd);
	+ node->successful_dns_result = acmd->dns_result;
	+}
	+
	+static void
	+_async_success (mongoc_async_cmd_t *acmd,
	+ const bson_t *hello_response,
	+ int64_t duration_usec)
	+{
	+ void *data = acmd->data;
	+ mongoc_topology_scanner_node_t *node =
	+ (mongoc_topology_scanner_node_t *) data;
	+ mongoc_stream_t *stream = acmd->stream;
	+ mongoc_topology_scanner_t *ts = node->ts;
	+
	+ if (node->retired) {
	+ if (stream) {
	+ mongoc_stream_failed (stream);
	+ }
	+ return;
	+ }
	+
	+ node->last_used = bson_get_monotonic_time ();
	+ node->last_failed = -1;
	+
	+ _mongoc_topology_scanner_monitor_heartbeat_succeeded (
	+ ts, &node->host, hello_response, duration_usec);
	+
	+ /* set our successful stream. */
	+ BSON_ASSERT (!node->stream);
	+ node->stream = stream;
	+
	+ if (!node->handshake_sd) {
	+ mongoc_server_description_t sd;
	+
	+ /* Store a server description associated with the handshake. */
	+ mongoc_server_description_init (&sd, node->host.host_and_port, node->id);
	+ mongoc_server_description_handle_hello (
	+ &sd, hello_response, duration_usec / 1000, &acmd->error);
	+ node->handshake_sd = mongoc_server_description_new_copy (&sd);
	+ mongoc_server_description_cleanup (&sd);
	+ }
	+
	+ if (ts->negotiate_sasl_supported_mechs &&
	+ !node->negotiated_sasl_supported_mechs) {
	+ _mongoc_handshake_parse_sasl_supported_mechs (
	+ hello_response, &node->sasl_supported_mechs);
	+ }
	+
	+ if (ts->speculative_authentication) {
	+ _mongoc_topology_scanner_parse_speculative_authentication (
	+ hello_response, &node->speculative_auth_response);
	+ }
	+
	+ /* mongoc_topology_scanner_cb_t takes rtt_msec, not usec */
	+ ts->cb (node->id,
	+ hello_response,
	+ duration_usec / 1000,
	+ ts->cb_data,
	+ &acmd->error);
	+}
	+
	+static void
	+_async_error_or_timeout (mongoc_async_cmd_t *acmd,
	+ int64_t duration_usec,
	+ const char *default_err_msg)
	+{
	+ void *data = acmd->data;
	+ mongoc_topology_scanner_node_t *node =
	+ (mongoc_topology_scanner_node_t *) data;
	+ mongoc_stream_t *stream = acmd->stream;
	+ mongoc_topology_scanner_t *ts = node->ts;
	+ bson_error_t *error = &acmd->error;
	+ int64_t now = bson_get_monotonic_time ();
	+ const char *message;
	+
	+ /* the stream may have failed on initiation. */
	+ if (stream) {
	+ mongoc_stream_failed (stream);
	+ }
	+
	+ if (node->retired) {
	+ return;
	+ }
	+
	+ node->last_used = now;
	+
	+ if (!node->stream && _count_acmds (node) == 1) {
	+ /* there are no remaining streams, connecting has failed. */
	+ node->last_failed = now;
	+ if (error->code) {
	+ message = error->message;
	+ } else {
	+ message = default_err_msg;
	+ }
	+
	+ /* invalidate any cached DNS results. */
	+ if (node->dns_results) {
	+ freeaddrinfo (node->dns_results);
	+ node->dns_results = NULL;
	+ node->successful_dns_result = NULL;
	+ }
	+
	+ bson_set_error (&node->last_error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "%s calling hello on \'%s\'",
	+ message,
	+ node->host.host_and_port);
	+
	+ _mongoc_topology_scanner_monitor_heartbeat_failed (
	+ ts, &node->host, &node->last_error, duration_usec);
	+
	+ /* call the topology scanner callback. cannot connect to this node.
	+ * callback takes rtt_msec, not usec. */
	+ ts->cb (node->id, NULL, duration_usec / 1000, ts->cb_data, error);
	+
	+ mongoc_server_description_destroy (node->handshake_sd);
	+ node->handshake_sd = NULL;
	+ } else {
	+ /* there are still more commands left for this node or it succeeded
	+ * with another stream. skip the topology scanner callback. */
	+ _jumpstart_other_acmds (node, acmd);
	+ }
	+}
	+
	+/*
	+ *-----------------------------------------------------------------------
	+ *
	+ * This is the callback passed to async_cmd when we're running
	+ * hellos from within the topology monitor.
	+ *
	+ *-----------------------------------------------------------------------
	+ */
	+
	+static void
	+_async_handler (mongoc_async_cmd_t *acmd,
	+ mongoc_async_cmd_result_t async_status,
	+ const bson_t *hello_response,
	+ int64_t duration_usec)
	+{
	+ BSON_ASSERT (acmd->data);
	+
	+ switch (async_status) {
	+ case MONGOC_ASYNC_CMD_CONNECTED:
	+ _async_connected (acmd);
	+ return;
	+ case MONGOC_ASYNC_CMD_SUCCESS:
	+ _async_success (acmd, hello_response, duration_usec);
	+ return;
	+ case MONGOC_ASYNC_CMD_TIMEOUT:
	+ _async_error_or_timeout (acmd, duration_usec, "connection timeout");
	+ return;
	+ case MONGOC_ASYNC_CMD_ERROR:
	+ _async_error_or_timeout (acmd, duration_usec, "connection error");
	+ return;
	+ case MONGOC_ASYNC_CMD_IN_PROGRESS:
	+ default:
	+ fprintf (stderr, "unexpected async status: %d\n", async_status);
	+ BSON_ASSERT (false);
	+ return;
	+ }
	+}
	+
	+mongoc_stream_t *
	+_mongoc_topology_scanner_node_setup_stream_for_tls (
	+ mongoc_topology_scanner_node_t node, mongoc_stream_t stream)
	+{
	+#ifdef MONGOC_ENABLE_SSL
	+ mongoc_stream_t *tls_stream;
	+#endif
	+ if (!stream) {
	+ return NULL;
	+ }
	+#ifdef MONGOC_ENABLE_SSL
	+ if (node->ts->ssl_opts) {
	+ tls_stream = mongoc_stream_tls_new_with_hostname (
	+ stream, node->host.host, node->ts->ssl_opts, 1);
	+ if (!tls_stream) {
	+ mongoc_stream_destroy (stream);
	+ return NULL;
	+ } else {
	+ return tls_stream;
	+ }
	+ }
	+#endif
	+ return stream;
	+}
	+
	+/* attempt to create a new socket stream using this dns result. */
	+mongoc_stream_t *
	+_mongoc_topology_scanner_tcp_initiate (mongoc_async_cmd_t *acmd)
	+{
	+ mongoc_topology_scanner_node_t *node =
	+ (mongoc_topology_scanner_node_t *) acmd->data;
	+ struct addrinfo *res = acmd->dns_result;
	+ mongoc_socket_t *sock = NULL;
	+
	+ BSON_ASSERT (acmd->dns_result);
	+ /* create a new non-blocking socket. */
	+ if (!(sock = mongoc_socket_new (
	+ res->ai_family, res->ai_socktype, res->ai_protocol))) {
	+ return NULL;
	+ }
	+
	+ (void) mongoc_socket_connect (
	+ sock, res->ai_addr, (mongoc_socklen_t) res->ai_addrlen, 0);
	+
	+ return _mongoc_topology_scanner_node_setup_stream_for_tls (
	+ node, mongoc_stream_socket_new (sock));
	+}
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_node_setup_tcp --
	+ *
	+ * Create an async command for each DNS record found for this node.
	+ *
	+ * Returns:
	+ * A bool. On failure error is set.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_topology_scanner_node_setup_tcp (mongoc_topology_scanner_node_t *node,
	+ bson_error_t *error)
	+{
	+ struct addrinfo hints;
	+ struct addrinfo *iter;
	+ char portstr[8];
	+ mongoc_host_list_t *host;
	+ int s;
	+ int64_t delay = 0;
	+ int64_t now = bson_get_monotonic_time ();
	+
	+ ENTRY;
	+
	+ host = &node->host;
	+
	+ /* if cached dns results are expired, flush. */
	+ if (node->dns_results &&
	+ (now - node->last_dns_cache) > node->ts->dns_cache_timeout_ms * 1000) {
	+ freeaddrinfo (node->dns_results);
	+ node->dns_results = NULL;
	+ node->successful_dns_result = NULL;
	+ }
	+
	+ if (!node->dns_results) {
	+ bson_snprintf (portstr, sizeof portstr, "%hu", host->port);
	+
	+ memset (&hints, 0, sizeof hints);
	+ hints.ai_family = host->family;
	+ hints.ai_socktype = SOCK_STREAM;
	+ hints.ai_flags = 0;
	+ hints.ai_protocol = 0;
	+
	+ s = getaddrinfo (host->host, portstr, &hints, &node->dns_results);
	+
	+ if (s != 0) {
	+ mongoc_counter_dns_failure_inc ();
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	+ "Failed to resolve '%s'",
	+ host->host);
	+ RETURN (false);
	+ }
	+
	+ mongoc_counter_dns_success_inc ();
	+ node->last_dns_cache = now;
	+ }
	+
	+ if (node->successful_dns_result) {
	+ _begin_hello_cmd (node,
	+ NULL /* stream */,
	+ false /* is_setup_done */,
	+ node->successful_dns_result,
	+ 0 /* initiate_delay_ms */,
	+ true /* use_handshake */);
	+ } else {
	+ LL_FOREACH2 (node->dns_results, iter, ai_next)
	+ {
	+ _begin_hello_cmd (node,
	+ NULL /* stream */,
	+ false /* is_setup_done */,
	+ iter,
	+ delay,
	+ true /* use_handshake */);
	+ /* each subsequent DNS result will have an additional 250ms delay. */
	+ delay += HAPPY_EYEBALLS_DELAY_MS;
	+ }
	+ }
	+
	+ RETURN (true);
	+}
	+
	+bool
	+mongoc_topology_scanner_node_connect_unix (mongoc_topology_scanner_node_t *node,
	+ bson_error_t *error)
	+{
	+#ifdef _WIN32
	+ ENTRY;
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "UNIX domain sockets not supported on win32.");
	+ RETURN (false);
	+#else
	+ struct sockaddr_un saddr;
	+ mongoc_socket_t *sock;
	+ mongoc_stream_t *stream;
	+ mongoc_host_list_t *host;
	+
	+ ENTRY;
	+
	+ host = &node->host;
	+
	+ memset (&saddr, 0, sizeof saddr);
	+ saddr.sun_family = AF_UNIX;
	+ bson_snprintf (saddr.sun_path, sizeof saddr.sun_path - 1, "%s", host->host);
	+
	+ sock = mongoc_socket_new (AF_UNIX, SOCK_STREAM, 0);
	+
	+ if (sock == NULL) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_SOCKET,
	+ "Failed to create socket.");
	+ RETURN (false);
	+ }
	+
	+ if (-1 == mongoc_socket_connect (
	+ sock, (struct sockaddr *) &saddr, sizeof saddr, -1)) {
	+ char buf[128];
	+ char *errstr;
	+
	+ errstr = bson_strerror_r (mongoc_socket_errno (sock), buf, sizeof (buf));
	+
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "Failed to connect to UNIX domain socket: %s",
	+ errstr);
	+ mongoc_socket_destroy (sock);
	+ RETURN (false);
	+ }
	+
	+ stream = _mongoc_topology_scanner_node_setup_stream_for_tls (
	+ node, mongoc_stream_socket_new (sock));
	+ if (stream) {
	+ _begin_hello_cmd (node,
	+ stream,
	+ false /* is_setup_done */,
	+ NULL /* dns result */,
	+ 0 /* delay */,
	+ true /* use_handshake */);
	+ RETURN (true);
	+ }
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_CONNECT,
	+ "Failed to create TLS stream");
	+ RETURN (false);
	+#endif
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_node_setup --
	+ *
	+ * Create a stream and begin a non-blocking connect.
	+ *
	+ * Returns:
	+ * true on success, or false and error is set.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_scanner_node_setup (mongoc_topology_scanner_node_t *node,
	+ bson_error_t *error)
	+{
	+ bool success = false;
	+ mongoc_stream_t *stream;
	+ int64_t start;
	+
	+ _mongoc_topology_scanner_monitor_heartbeat_started (node->ts, &node->host);
	+ start = bson_get_monotonic_time ();
	+
	+ /* if there is already a working stream, push it back to be re-scanned. */
	+ if (node->stream) {
	+ _begin_hello_cmd (node,
	+ node->stream,
	+ true /* is_setup_done */,
	+ NULL /* dns_result */,
	+ 0 /* initiate_delay_ms */,
	+ false /* use_handshake */);
	+ node->stream = NULL;
	+ return;
	+ }
	+
	+ BSON_ASSERT (!node->retired);
	+
	+ if (node->ts->initiator) {
	+ stream = node->ts->initiator (
	+ node->ts->uri, &node->host, node->ts->initiator_context, error);
	+ if (stream) {
	+ success = true;
	+ _begin_hello_cmd (node,
	+ stream,
	+ false /* is_setup_done */,
	+ NULL /* dns_result */,
	+ 0 /* initiate_delay_ms */,
	+ true /* use_handshake */);
	+ }
	+ } else {
	+ if (node->host.family == AF_UNIX) {
	+ success = mongoc_topology_scanner_node_connect_unix (node, error);
	+ } else {
	+ success = mongoc_topology_scanner_node_setup_tcp (node, error);
	+ }
	+ }
	+
	+ if (!success) {
	+ _mongoc_topology_scanner_monitor_heartbeat_failed (
	+ node->ts,
	+ &node->host,
	+ error,
	+ (bson_get_monotonic_time () - start) / 1000);
	+
	+ node->ts->setup_err_cb (node->id, node->ts->cb_data, error);
	+ return;
	+ }
	+
	+ node->has_auth = false;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_node_in_cooldown --
	+ *
	+ * Return true if @node has experienced a network error attempting
	+ * to call "hello" less than 5 seconds before @when, a timestamp in
	+ * microseconds.
	+ *
	+ * Server Discovery and Monitoring Spec: "After a single-threaded client
	+ * gets a network error trying to check a server, the client skips
	+ * re-checking the server until cooldownMS has passed. This avoids
	+ * spending connectTimeoutMS on each unavailable server during each scan.
	+ * This value MUST be 5000 ms, and it MUST NOT be configurable."
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_scanner_node_in_cooldown (mongoc_topology_scanner_node_t *node,
	+ int64_t when)
	+{
	+ if (node->last_failed == -1 \|\| node->ts->bypass_cooldown) {
	+ return false; /* node is new, or connected */
	+ }
	+
	+ return node->last_failed + 1000 * MONGOC_TOPOLOGY_COOLDOWN_MS >= when;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_in_cooldown --
	+ *
	+ * Return true if all nodes will be in cooldown at time @when, a
	+ * timestamp in microseconds.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_topology_scanner_in_cooldown (mongoc_topology_scanner_t *ts,
	+ int64_t when)
	+{
	+ mongoc_topology_scanner_node_t *node;
	+
	+ if (ts->bypass_cooldown) {
	+ return false;
	+ }
	+ DL_FOREACH (ts->nodes, node)
	+ {
	+ if (!mongoc_topology_scanner_node_in_cooldown (node, when)) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_start --
	+ *
	+ * Initializes the scanner and begins a full topology check. This
	+ * should be called once before calling mongoc_topology_scanner_work()
	+ * to complete the scan.
	+ *
	+ * If "obey_cooldown" is true, this is a single-threaded blocking scan
	+ * that must obey the Server Discovery And Monitoring Spec's cooldownMS:
	+ *
	+ * "After a single-threaded client gets a network error trying to check
	+ * a server, the client skips re-checking the server until cooldownMS has
	+ * passed.
	+ *
	+ * "This avoids spending connectTimeoutMS on each unavailable server
	+ * during each scan.
	+ *
	+ * "This value MUST be 5000 ms, and it MUST NOT be configurable."
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_scanner_start (mongoc_topology_scanner_t *ts,
	+ bool obey_cooldown)
	+{
	+ mongoc_topology_scanner_node_t node, tmp;
	+ bool skip;
	+ int64_t now;
	+
	+ BSON_ASSERT (ts);
	+
	+ _delete_retired_nodes (ts);
	+
	+ now = bson_get_monotonic_time ();
	+
	+ DL_FOREACH_SAFE (ts->nodes, node, tmp)
	+ {
	+ skip =
	+ obey_cooldown && mongoc_topology_scanner_node_in_cooldown (node, now);
	+
	+ if (!skip) {
	+ mongoc_topology_scanner_node_setup (node, &node->last_error);
	+ }
	+ }
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_finish_scan --
	+ *
	+ * Summarizes all scanner node errors into one error message,
	+ * deletes retired nodes.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_topology_scanner_finish (mongoc_topology_scanner_t *ts)
	+{
	+ mongoc_topology_scanner_node_t node, tmp;
	+ bson_error_t *error = &ts->error;
	+ bson_string_t *msg;
	+
	+ memset (&ts->error, 0, sizeof (bson_error_t));
	+
	+ msg = bson_string_new (NULL);
	+
	+ DL_FOREACH_SAFE (ts->nodes, node, tmp)
	+ {
	+ if (node->last_error.code) {
	+ if (msg->len) {
	+ bson_string_append_c (msg, ' ');
	+ }
	+
	+ bson_string_append_printf (msg, "[%s]", node->last_error.message);
	+
	+ /* last error domain and code win */
	+ error->domain = node->last_error.domain;
	+ error->code = node->last_error.code;
	+ }
	+ }
	+
	+ bson_strncpy ((char *) &error->message, msg->str, sizeof (error->message));
	+ bson_string_free (msg, true);
	+
	+ _delete_retired_nodes (ts);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_work --
	+ *
	+ * Crank the knob on the topology scanner state machine. This should
	+ * be called only after mongoc_topology_scanner_start() has been used
	+ * to begin the scan.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_scanner_work (mongoc_topology_scanner_t *ts)
	+{
	+ mongoc_async_run (ts->async);
	+ BSON_ASSERT (ts->async->ncmds == 0);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scanner_get_error --
	+ *
	+ * Copy the scanner's current error; which may no-error (code 0).
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+mongoc_topology_scanner_get_error (mongoc_topology_scanner_t *ts,
	+ bson_error_t *error)
	+{
	+ BSON_ASSERT (ts);
	+ BSON_ASSERT (error);
	+
	+ memcpy (error, &ts->error, sizeof (bson_error_t));
	+}
	+
	+/*
	+ * Set a field in the topology scanner.
	+ */
	+bool
	+_mongoc_topology_scanner_set_appname (mongoc_topology_scanner_t *ts,
	+ const char *appname)
	+{
	+ char *s;
	+ const char *prev;
	+ if (!_mongoc_handshake_appname_is_valid (appname)) {
	+ MONGOC_ERROR ("Cannot set appname: %s is invalid", appname);
	+ return false;
	+ }
	+
	+ s = bson_strdup (appname);
	+ prev = bson_atomic_ptr_compare_exchange_strong (
	+ (void *) &ts->appname, NULL, s, bson_memory_order_relaxed);
	+ if (prev == NULL) {
	+ return true;
	+ }
	+
	+ MONGOC_ERROR ("Cannot set appname more than once");
	+ bson_free (s);
	+ return false;
	+}
	+
	+/*
	+ * Set the scanner's clusterTime unconditionally: don't compare with prior
	+ * @cluster_time is like {clusterTime: <timestamp>}
	+ */
	+void
	+_mongoc_topology_scanner_set_cluster_time (mongoc_topology_scanner_t *ts,
	+ const bson_t *cluster_time)
	+{
	+ bson_destroy (&ts->cluster_time);
	+ bson_copy_to (cluster_time, &ts->cluster_time);
	+}
	+
	+/* SDAM Monitoring Spec: send HeartbeatStartedEvent */
	+static void
	+_mongoc_topology_scanner_monitor_heartbeat_started (
	+ const mongoc_topology_scanner_t ts, const mongoc_host_list_t host)
	+{
	+ if (ts->apm_callbacks.server_heartbeat_started) {
	+ mongoc_apm_server_heartbeat_started_t event;
	+ event.host = host;
	+ event.context = ts->apm_context;
	+ event.awaited = false;
	+ ts->apm_callbacks.server_heartbeat_started (&event);
	+ }
	+}
	+
	+/* SDAM Monitoring Spec: send HeartbeatSucceededEvent */
	+static void
	+_mongoc_topology_scanner_monitor_heartbeat_succeeded (
	+ const mongoc_topology_scanner_t *ts,
	+ const mongoc_host_list_t *host,
	+ const bson_t *reply,
	+ int64_t duration_usec)
	+{
	+ if (ts->apm_callbacks.server_heartbeat_succeeded) {
	+ mongoc_apm_server_heartbeat_succeeded_t event;
	+ bson_t hello_redacted;
	+
	+ bson_init (&hello_redacted);
	+ bson_copy_to_excluding_noinit (
	+ reply, &hello_redacted, "speculativeAuthenticate", NULL);
	+
	+ event.host = host;
	+ event.context = ts->apm_context;
	+ event.reply = reply;
	+ event.duration_usec = duration_usec;
	+ event.awaited = false;
	+ ts->apm_callbacks.server_heartbeat_succeeded (&event);
	+
	+ bson_destroy (&hello_redacted);
	+ }
	+}
	+
	+/* SDAM Monitoring Spec: send HeartbeatFailedEvent */
	+static void
	+_mongoc_topology_scanner_monitor_heartbeat_failed (
	+ const mongoc_topology_scanner_t *ts,
	+ const mongoc_host_list_t *host,
	+ const bson_error_t *error,
	+ int64_t duration_usec)
	+{
	+ if (ts->apm_callbacks.server_heartbeat_failed) {
	+ mongoc_apm_server_heartbeat_failed_t event;
	+ event.host = host;
	+ event.context = ts->apm_context;
	+ event.error = error;
	+ event.duration_usec = duration_usec;
	+ event.awaited = false;
	+ ts->apm_callbacks.server_heartbeat_failed (&event);
	+ }
	+}
	+
	+/* this is for testing the dns cache timeout. */
	+void
	+_mongoc_topology_scanner_set_dns_cache_timeout (mongoc_topology_scanner_t *ts,
	+ int64_t timeout_ms)
	+{
	+ ts->dns_cache_timeout_ms = timeout_ms;
	+}
	+
	+/* reset "retired" nodes that failed or were removed in the previous scan */
	+static void
	+_delete_retired_nodes (mongoc_topology_scanner_t *ts)
	+{
	+ mongoc_topology_scanner_node_t node, tmp;
	+
	+ DL_FOREACH_SAFE (ts->nodes, node, tmp)
	+ {
	+ if (node->retired) {
	+ mongoc_topology_scanner_node_destroy (node, true);
	+ }
	+ }
	+}
	+
	+static void
	+_cancel_commands_excluding (mongoc_topology_scanner_node_t *node,
	+ mongoc_async_cmd_t *acmd)
	+{
	+ mongoc_async_cmd_t *iter;
	+ DL_FOREACH (node->ts->async->cmds, iter)
	+ {
	+ if ((mongoc_topology_scanner_node_t *) iter->data == node &&
	+ iter != acmd) {
	+ iter->state = MONGOC_ASYNC_CMD_CANCELED_STATE;
	+ }
	+ }
	+}
	+
	+static int
	+_count_acmds (mongoc_topology_scanner_node_t *node)
	+{
	+ mongoc_async_cmd_t *iter;
	+ int count = 0;
	+ DL_FOREACH (node->ts->async->cmds, iter)
	+ {
	+ if ((mongoc_topology_scanner_node_t *) iter->data == node) {
	+ ++count;
	+ }
	+ }
	+ return count;
	+}
	+
	+static void
	+_jumpstart_other_acmds (mongoc_topology_scanner_node_t *node,
	+ mongoc_async_cmd_t *acmd)
	+{
	+ mongoc_async_cmd_t *iter;
	+ DL_FOREACH (node->ts->async->cmds, iter)
	+ {
	+ if ((mongoc_topology_scanner_node_t *) iter->data == node &&
	+ iter != acmd && acmd->initiate_delay_ms < iter->initiate_delay_ms) {
	+ iter->initiate_delay_ms =
	+ BSON_MAX (iter->initiate_delay_ms - HAPPY_EYEBALLS_DELAY_MS, 0);
	+ }
	+ }
	+}
	+
	+void
	+_mongoc_topology_scanner_set_server_api (mongoc_topology_scanner_t *ts,
	+ const mongoc_server_api_t *api)
	+{
	+ BSON_ASSERT (ts);
	+ BSON_ASSERT (api);
	+
	+ mongoc_server_api_destroy (ts->api);
	+ ts->api = mongoc_server_api_copy (api);
	+ _reset_hello (ts);
	+}
	+
	+/* This must be called before the handshake command is constructed. */
	+void
	+_mongoc_topology_scanner_set_loadbalanced (mongoc_topology_scanner_t *ts,
	+ bool val)
	+{
	+ BSON_ASSERT (ts->handshake_cmd == NULL);
	+ ts->loadbalanced = true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology.c
	new file mode 100644
	index 00000000..a9bca4f1
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-topology.c
	@@ -0,0 +1,2033 @@
	+/*
	+ * Copyright 2014 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-config.h"
	+
	+#include "mongoc-handshake.h"
	+#include "mongoc-handshake-private.h"
	+
	+#include "mongoc-error.h"
	+#include "mongoc-host-list-private.h"
	+#include "mongoc-log.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-topology-description-apm-private.h"
	+#include "mongoc-client-private.h"
	+#include "mongoc-cmd-private.h"
	+#include "mongoc-uri-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-trace-private.h"
	+#include "mongoc-error-private.h"
	+#include "mongoc-topology-background-monitoring-private.h"
	+#include "mongoc-read-prefs-private.h"
	+
	+#include "utlist.h"
	+
	+#include <stdint.h>
	+
	+static void
	+_topology_collect_errors (const mongoc_topology_description_t *topology,
	+ bson_error_t *error_out);
	+
	+static bool
	+_mongoc_topology_reconcile_add_nodes (mongoc_server_description_t *sd,
	+ mongoc_topology_scanner_t *scanner)
	+{
	+ mongoc_topology_scanner_node_t *node;
	+
	+ /* Search by ID and update hello_ok */
	+ node = mongoc_topology_scanner_get_node (scanner, sd->id);
	+ if (node) {
	+ node->hello_ok = sd->hello_ok;
	+ } else if (!mongoc_topology_scanner_has_node_for_host (scanner, &sd->host)) {
	+ /* A node for this host was retired in this scan. */
	+ mongoc_topology_scanner_add (scanner, &sd->host, sd->id, sd->hello_ok);
	+ mongoc_topology_scanner_scan (scanner, sd->id);
	+ }
	+
	+ return true;
	+}
	+
	+/* Called from:
	+ * - the topology scanner callback (when a hello was just received)
	+ * - at the start of a single-threaded scan (mongoc_topology_scan_once)
	+ * Not called for multi threaded monitoring.
	+ */
	+void
	+mongoc_topology_reconcile (const mongoc_topology_t *topology,
	+ mongoc_topology_description_t *td)
	+{
	+ mongoc_set_t *servers;
	+ mongoc_server_description_t *sd;
	+ int i;
	+ mongoc_topology_scanner_node_t ele, tmp;
	+
	+ servers = mc_tpld_servers (td);
	+ /* Add newly discovered nodes */
	+ for (i = 0; i < (int) servers->items_len; i++) {
	+ sd = mongoc_set_get_item (servers, i);
	+ _mongoc_topology_reconcile_add_nodes (sd, topology->scanner);
	+ }
	+
	+ /* Remove removed nodes */
	+ DL_FOREACH_SAFE (topology->scanner->nodes, ele, tmp)
	+ {
	+ if (!mongoc_topology_description_server_by_id (td, ele->id, NULL)) {
	+ mongoc_topology_scanner_node_retire (ele);
	+ }
	+ }
	+}
	+
	+
	+/* call this while already holding the lock */
	+static bool
	+_mongoc_topology_update_no_lock (uint32_t id,
	+ const bson_t *hello_response,
	+ int64_t rtt_msec,
	+ mongoc_topology_description_t *td,
	+ const bson_error_t error / IN */)
	+{
	+ mongoc_topology_description_handle_hello (
	+ td, id, hello_response, rtt_msec, error);
	+
	+ /* return false if server removed from topology */
	+ return mongoc_topology_description_server_by_id (td, id, NULL) != NULL;
	+}
	+
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_scanner_setup_err_cb --
	+ *
	+ * Callback method to handle errors during topology scanner node
	+ * setup, typically DNS or SSL errors.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_topology_scanner_setup_err_cb (uint32_t id,
	+ void *data,
	+ const bson_error_t error / IN */)
	+{
	+ mongoc_topology_t *topology = BSON_ASSERT_PTR_INLINE (data);
	+
	+ if (_mongoc_topology_get_type (topology) == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ /* In load balanced mode, scanning is only for connection establishment.
	+ * It must not modify the topology description. */
	+ } else {
	+ /* We need to update the topology description */
	+ mc_tpld_modification mod = mc_tpld_modify_begin (topology);
	+ mongoc_topology_description_handle_hello (
	+ mod.new_td, id, NULL /* hello reply /, -1 / rtt_msec */, error);
	+ mc_tpld_modify_commit (mod);
	+ }
	+}
	+
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_scanner_cb --
	+ *
	+ * Callback method to handle hello responses received by async
	+ * command objects.
	+ *
	+ * Only called for single-threaded monitoring.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_topology_scanner_cb (uint32_t id,
	+ const bson_t *hello_response,
	+ int64_t rtt_msec,
	+ void *data,
	+ const bson_error_t error / IN */)
	+{
	+ mongoc_topology_t *const topology = BSON_ASSERT_PTR_INLINE (data);
	+ mongoc_server_description_t *sd;
	+ mc_tpld_modification tdmod;
	+
	+ if (_mongoc_topology_get_type (topology) == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ /* In load balanced mode, scanning is only for connection establishment.
	+ * It must not modify the topology description. */
	+ return;
	+ }
	+
	+ tdmod = mc_tpld_modify_begin (topology);
	+
	+ sd = mongoc_topology_description_server_by_id (tdmod.new_td, id, NULL);
	+
	+ if (!hello_response) {
	+ /* Server monitoring: When a server check fails due to a network error
	+ * (including a network timeout), the client MUST clear its connection
	+ * pool for the server */
	+ _mongoc_topology_description_clear_connection_pool (
	+ tdmod.new_td, id, &kZeroServiceId);
	+ }
	+
	+ /* Server Discovery and Monitoring Spec: "Once a server is connected, the
	+ * client MUST change its type to Unknown only after it has retried the
	+ * server once." */
	+ if (!hello_response && sd && sd->type != MONGOC_SERVER_UNKNOWN) {
	+ _mongoc_topology_update_no_lock (
	+ id, hello_response, rtt_msec, tdmod.new_td, error);
	+
	+ /* add another hello call to the current scan - the scan continues
	+ * until all commands are done */
	+ mongoc_topology_scanner_scan (topology->scanner, sd->id);
	+ } else {
	+ _mongoc_topology_update_no_lock (
	+ id, hello_response, rtt_msec, tdmod.new_td, error);
	+
	+ /* The processing of the hello results above may have added, changed, or
	+ * removed server descriptions. We need to reconcile that with our
	+ * monitoring agents
	+ */
	+ mongoc_topology_reconcile (topology, tdmod.new_td);
	+
	+ mongoc_cond_broadcast (&topology->cond_client);
	+ }
	+
	+
	+ mc_tpld_modify_commit (tdmod);
	+}
	+
	+static void
	+_server_session_init (mongoc_server_session_t *session,
	+ mongoc_topology_t *unused,
	+ bson_error_t *error)
	+{
	+ _mongoc_server_session_init (session, error);
	+}
	+
	+static void
	+_server_session_destroy (mongoc_server_session_t *session,
	+ mongoc_topology_t *unused)
	+{
	+ _mongoc_server_session_destroy (session);
	+}
	+
	+static int
	+_server_session_should_prune (mongoc_server_session_t *session,
	+ mongoc_topology_t *topo)
	+{
	+ bool is_loadbalanced;
	+ int timeout;
	+ mc_shared_tpld td;
	+
	+ BSON_ASSERT_PARAM (session);
	+ BSON_ASSERT_PARAM (topo);
	+
	+ /** If "dirty" (i.e. contains a network error), it should be dropped */
	+ if (session->dirty) {
	+ return true;
	+ }
	+
	+ /** If the session has never been used, it should be dropped */
	+ if (session->last_used_usec == SESSION_NEVER_USED) {
	+ return true;
	+ }
	+
	+ /* Check for a timeout */
	+ td = mc_tpld_take_ref (topo);
	+ timeout = td.ptr->session_timeout_minutes;
	+ is_loadbalanced = td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED;
	+ mc_tpld_drop_ref (&td);
	+
	+ /** Load balanced topology sessions never expire */
	+ if (is_loadbalanced) {
	+ return false;
	+ }
	+
	+ /* Prune the session if it has hit a timeout */
	+ return _mongoc_server_session_timed_out (session, timeout);
	+}
	+
	+static void
	+_tpld_destroy_and_free (void *tpl_descr)
	+{
	+ mongoc_topology_description_t *td = tpl_descr;
	+ mongoc_topology_description_destroy (td);
	+}
	+
	+const mongoc_host_list_t **
	+_mongoc_apply_srv_max_hosts (const mongoc_host_list_t *hl,
	+ const int32_t max_hosts,
	+ size_t *const hl_array_size)
	+{
	+ size_t hl_size;
	+ size_t idx;
	+ const mongoc_host_list_t **hl_array;
	+
	+ BSON_ASSERT (max_hosts >= 0);
	+ BSON_ASSERT_PARAM (hl_array_size);
	+
	+ hl_size = (size_t) _mongoc_host_list_length (hl);
	+
	+ if (hl_size == 0) {
	+ *hl_array_size = 0;
	+ return NULL;
	+ }
	+
	+ hl_array = bson_malloc (hl_size * sizeof (mongoc_host_list_t *));
	+
	+ for (idx = 0u; hl; hl = hl->next) {
	+ hl_array[idx++] = hl;
	+ }
	+
	+ if (max_hosts == 0 \|\| /* Unlimited. */
	+ hl_size == 1u \|\| /* Trivial case. */
	+ hl_size <= (size_t) max_hosts /* Already satisfies limit. */
	+ ) {
	+ /* No random shuffle or selection required. */
	+ *hl_array_size = hl_size;
	+ return hl_array;
	+ }
	+
	+ /* Initial DNS Seedlist Discovery Spec: If `srvMaxHosts` is greater than zero
	+ * and less than the number of hosts in the DNS result, the driver MUST
	+ * randomly select that many hosts and use them to populate the seedlist.
	+ * Drivers SHOULD use the `Fisher-Yates shuffle` for randomization. */
	+ for (idx = hl_size - 1u; idx > 0u; --idx) {
	+ /* 0 <= swap_pos <= idx */
	+ const size_t swap_pos =
	+ _mongoc_rand_size_t (0u, idx, _mongoc_simple_rand_size_t);
	+
	+ const mongoc_host_list_t *tmp = hl_array[swap_pos];
	+ hl_array[swap_pos] = hl_array[idx];
	+ hl_array[idx] = tmp;
	+ }
	+
	+ *hl_array_size = max_hosts;
	+
	+ return hl_array;
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_new --
	+ *
	+ * Creates and returns a new topology object.
	+ *
	+ * Returns:
	+ * A new topology object.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+mongoc_topology_t *
	+mongoc_topology_new (const mongoc_uri_t *uri, bool single_threaded)
	+{
	+ int64_t heartbeat_default;
	+ int64_t heartbeat;
	+ mongoc_topology_t *topology;
	+ mongoc_topology_description_type_t init_type;
	+ mongoc_topology_description_t *td;
	+ const char *srv_hostname;
	+ const mongoc_host_list_t *hl;
	+ mongoc_rr_data_t rr_data;
	+ bool has_directconnection;
	+ bool directconnection;
	+
	+ BSON_ASSERT (uri);
	+
	+#ifndef MONGOC_ENABLE_CRYPTO
	+ if (mongoc_uri_get_option_as_bool (
	+ uri, MONGOC_URI_RETRYWRITES, MONGOC_DEFAULT_RETRYWRITES)) {
	+ /* retryWrites requires sessions, which require crypto - just warn */
	+ MONGOC_WARNING (
	+ "retryWrites not supported without an SSL crypto library");
	+ }
	+#endif
	+
	+ topology = (mongoc_topology_t ) bson_malloc0 (sizeof topology);
	+ topology->session_pool =
	+ mongoc_server_session_pool_new_with_params (_server_session_init,
	+ _server_session_destroy,
	+ _server_session_should_prune,
	+ topology);
	+
	+ topology->valid = false;
	+ heartbeat_default =
	+ single_threaded ? MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_SINGLE_THREADED
	+ : MONGOC_TOPOLOGY_HEARTBEAT_FREQUENCY_MS_MULTI_THREADED;
	+
	+ heartbeat = mongoc_uri_get_option_as_int32 (
	+ uri, MONGOC_URI_HEARTBEATFREQUENCYMS, heartbeat_default);
	+
	+ topology->_shared_descr_._sptr_ = mongoc_shared_ptr_create (
	+ bson_malloc0 (sizeof (mongoc_topology_description_t)),
	+ _tpld_destroy_and_free);
	+ td = mc_tpld_unsafe_get_mutable (topology);
	+ mongoc_topology_description_init (td, heartbeat);
	+
	+ td->set_name = bson_strdup (mongoc_uri_get_replica_set (uri));
	+
	+ topology->uri = mongoc_uri_copy (uri);
	+ topology->cse_state = MONGOC_CSE_DISABLED;
	+ topology->single_threaded = single_threaded;
	+ if (single_threaded) {
	+ /* Server Selection Spec:
	+ *
	+ * "Single-threaded drivers MUST provide a "serverSelectionTryOnce"
	+ * mode, in which the driver scans the topology exactly once after
	+ * server selection fails, then either selects a server or raises an
	+ * error.
	+ *
	+ * "The serverSelectionTryOnce option MUST be true by default."
	+ */
	+ topology->server_selection_try_once = mongoc_uri_get_option_as_bool (
	+ uri, MONGOC_URI_SERVERSELECTIONTRYONCE, true);
	+ } else {
	+ topology->server_selection_try_once = false;
	+ }
	+
	+ topology->server_selection_timeout_msec = mongoc_uri_get_option_as_int32 (
	+ topology->uri,
	+ MONGOC_URI_SERVERSELECTIONTIMEOUTMS,
	+ MONGOC_TOPOLOGY_SERVER_SELECTION_TIMEOUT_MS);
	+
	+ /* tests can override this */
	+ topology->min_heartbeat_frequency_msec =
	+ MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS;
	+
	+ topology->local_threshold_msec =
	+ mongoc_uri_get_local_threshold_option (topology->uri);
	+
	+ /* Total time allowed to check a server is connectTimeoutMS.
	+ * Server Discovery And Monitoring Spec:
	+ *
	+ * "The socket used to check a server MUST use the same connectTimeoutMS as
	+ * regular sockets. Multi-threaded clients SHOULD set monitoring sockets'
	+ * socketTimeoutMS to the connectTimeoutMS."
	+ */
	+ topology->connect_timeout_msec =
	+ mongoc_uri_get_option_as_int32 (topology->uri,
	+ MONGOC_URI_CONNECTTIMEOUTMS,
	+ MONGOC_DEFAULT_CONNECTTIMEOUTMS);
	+
	+ topology->scanner_state = MONGOC_TOPOLOGY_SCANNER_OFF;
	+ topology->scanner =
	+ mongoc_topology_scanner_new (topology->uri,
	+ _mongoc_topology_scanner_setup_err_cb,
	+ _mongoc_topology_scanner_cb,
	+ topology,
	+ topology->connect_timeout_msec);
	+
	+ bson_mutex_init (&topology->tpld_modification_mtx);
	+ mongoc_cond_init (&topology->cond_client);
	+
	+ if (single_threaded) {
	+ /* single threaded drivers attempt speculative authentication during a
	+ * topology scan */
	+ topology->scanner->speculative_authentication = true;
	+
	+ /* single threaded clients negotiate sasl supported mechanisms during
	+ * a topology scan. */
	+ if (_mongoc_uri_requires_auth_negotiation (uri)) {
	+ topology->scanner->negotiate_sasl_supported_mechs = true;
	+ }
	+ }
	+
	+ srv_hostname = mongoc_uri_get_srv_hostname (uri);
	+ if (srv_hostname) {
	+ char *prefixed_hostname;
	+
	+ memset (&rr_data, 0, sizeof (mongoc_rr_data_t));
	+ /* Set the default resource record resolver */
	+ topology->rr_resolver = _mongoc_client_get_rr;
	+
	+ /* Initialize the last scan time and interval. Even if the initial DNS
	+ * lookup fails, SRV polling will still start when background monitoring
	+ * starts. */
	+ topology->srv_polling_last_scan_ms = bson_get_monotonic_time () / 1000;
	+ topology->srv_polling_rescan_interval_ms =
	+ MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS;
	+
	+ /* a mongodb+srv URI. try SRV lookup, if no error then also try TXT */
	+ prefixed_hostname = bson_strdup_printf (
	+ "_%s._tcp.%s", mongoc_uri_get_srv_service_name (uri), srv_hostname);
	+ if (!topology->rr_resolver (prefixed_hostname,
	+ MONGOC_RR_SRV,
	+ &rr_data,
	+ MONGOC_RR_DEFAULT_BUFFER_SIZE,
	+ &topology->scanner->error)) {
	+ GOTO (srv_fail);
	+ }
	+
	+ /* Failure to find TXT records will not return an error (since it is only
	+ * for options). But _mongoc_client_get_rr may return an error if
	+ * there is more than one TXT record returned. */
	+ if (!topology->rr_resolver (srv_hostname,
	+ MONGOC_RR_TXT,
	+ &rr_data,
	+ MONGOC_RR_DEFAULT_BUFFER_SIZE,
	+ &topology->scanner->error)) {
	+ GOTO (srv_fail);
	+ }
	+
	+ /* Use rr_data to update the topology's URI. */
	+ if (rr_data.txt_record_opts &&
	+ !mongoc_uri_parse_options (topology->uri,
	+ rr_data.txt_record_opts,
	+ true /* from_dns */,
	+ &topology->scanner->error)) {
	+ GOTO (srv_fail);
	+ }
	+
	+ if (!mongoc_uri_init_with_srv_host_list (
	+ topology->uri, rr_data.hosts, &topology->scanner->error)) {
	+ GOTO (srv_fail);
	+ }
	+
	+ topology->srv_polling_last_scan_ms = bson_get_monotonic_time () / 1000;
	+ /* TODO (CDRIVER-4047) use BSON_MIN */
	+ topology->srv_polling_rescan_interval_ms = BSON_MAX (
	+ rr_data.min_ttl * 1000, MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS);
	+
	+ topology->valid = true;
	+ srv_fail:
	+ bson_free (rr_data.txt_record_opts);
	+ bson_free (prefixed_hostname);
	+ _mongoc_host_list_destroy_all (rr_data.hosts);
	+ } else {
	+ topology->valid = true;
	+ }
	+
	+ if (!mongoc_uri_finalize (topology->uri, &topology->scanner->error)) {
	+ topology->valid = false;
	+ }
	+
	+ td->max_hosts =
	+ mongoc_uri_get_option_as_int32 (uri, MONGOC_URI_SRVMAXHOSTS, 0);
	+
	+ /*
	+ * Set topology type from URI:
	+ * + if directConnection=true
	+ * - whether or not we have a replicaSet name, initialize to SINGLE
	+ * (directConnect with SRV or multiple hosts triggers a URI parse error)
	+ * + if directConnection=false
	+ * - if we've got a replicaSet name, initialize to RS_NO_PRIMARY
	+ * - otherwise, initialize to UNKNOWN
	+ * + if directConnection was not specified in the URI (old behavior)
	+ * - if we've got a replicaSet name, initialize to RS_NO_PRIMARY
	+ * - otherwise, if the seed list has a single host, initialize to SINGLE
	+ * - everything else gets initialized to UNKNOWN
	+ */
	+ has_directconnection =
	+ mongoc_uri_has_option (uri, MONGOC_URI_DIRECTCONNECTION);
	+ directconnection =
	+ has_directconnection &&
	+ mongoc_uri_get_option_as_bool (uri, MONGOC_URI_DIRECTCONNECTION, false);
	+ hl = mongoc_uri_get_hosts (topology->uri);
	+ /* If loadBalanced is enabled, directConnection is disabled. This was
	+ * validated in mongoc_uri_finalize_loadbalanced, which is called by
	+ * mongoc_uri_finalize. */
	+ if (mongoc_uri_get_option_as_bool (
	+ topology->uri, MONGOC_URI_LOADBALANCED, false)) {
	+ init_type = MONGOC_TOPOLOGY_LOAD_BALANCED;
	+ if (topology->single_threaded) {
	+ /* Cooldown only applies to server monitoring for single-threaded
	+ * clients. In load balanced mode, the topology scanner is used to
	+ * create connections. The cooldown period does not apply. A network
	+ * error to a load balanced connection does not imply subsequent
	+ * connection attempts will be to the same server and that a delay
	+ * should occur. */
	+ _mongoc_topology_bypass_cooldown (topology);
	+ }
	+ _mongoc_topology_scanner_set_loadbalanced (topology->scanner, true);
	+ } else if (srv_hostname && !has_directconnection) {
	+ init_type = MONGOC_TOPOLOGY_UNKNOWN;
	+ } else if (has_directconnection) {
	+ if (directconnection) {
	+ init_type = MONGOC_TOPOLOGY_SINGLE;
	+ } else {
	+ if (mongoc_uri_get_replica_set (topology->uri)) {
	+ init_type = MONGOC_TOPOLOGY_RS_NO_PRIMARY;
	+ } else {
	+ init_type = MONGOC_TOPOLOGY_UNKNOWN;
	+ }
	+ }
	+ } else if (mongoc_uri_get_replica_set (topology->uri)) {
	+ init_type = MONGOC_TOPOLOGY_RS_NO_PRIMARY;
	+ } else {
	+ if (hl && hl->next) {
	+ init_type = MONGOC_TOPOLOGY_UNKNOWN;
	+ } else {
	+ init_type = MONGOC_TOPOLOGY_SINGLE;
	+ }
	+ }
	+
	+ td->type = init_type;
	+
	+ if (!topology->single_threaded) {
	+ topology->server_monitors = mongoc_set_new (1, NULL, NULL);
	+ topology->rtt_monitors = mongoc_set_new (1, NULL, NULL);
	+ bson_mutex_init (&topology->apm_mutex);
	+ bson_mutex_init (&topology->srv_polling_mtx);
	+ mongoc_cond_init (&topology->srv_polling_cond);
	+ }
	+
	+ if (!topology->valid) {
	+ TRACE ("%s", "topology invalid");
	+ /* add no nodes */
	+ return topology;
	+ }
	+
	+ {
	+ size_t idx = 0u;
	+ size_t hl_array_size = 0u;
	+ uint32_t id = 0u;
	+
	+ const mongoc_host_list_t const hl_array =
	+ _mongoc_apply_srv_max_hosts (hl, td->max_hosts, &hl_array_size);
	+
	+ for (idx = 0u; idx < hl_array_size; ++idx) {
	+ const mongoc_host_list_t *const elem = hl_array[idx];
	+
	+ mongoc_topology_description_add_server (td, elem->host_and_port, &id);
	+ mongoc_topology_scanner_add (topology->scanner, elem, id, false);
	+ }
	+
	+ bson_free ((void *) hl_array);
	+ }
	+
	+ return topology;
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_set_apm_callbacks --
	+ *
	+ * Set Application Performance Monitoring callbacks.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+void
	+mongoc_topology_set_apm_callbacks (mongoc_topology_t *topology,
	+ mongoc_topology_description_t *td,
	+ mongoc_apm_callbacks_t *callbacks,
	+ void *context)
	+{
	+ if (callbacks) {
	+ memcpy (&td->apm_callbacks, callbacks, sizeof (mongoc_apm_callbacks_t));
	+ memcpy (&topology->scanner->apm_callbacks,
	+ callbacks,
	+ sizeof (mongoc_apm_callbacks_t));
	+ } else {
	+ memset (&td->apm_callbacks, 0, sizeof (mongoc_apm_callbacks_t));
	+ memset (
	+ &topology->scanner->apm_callbacks, 0, sizeof (mongoc_apm_callbacks_t));
	+ }
	+
	+ td->apm_context = context;
	+ topology->scanner->apm_context = context;
	+}
	+
	+/*
	+ *-------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_destroy --
	+ *
	+ * Free the memory associated with this topology object.
	+ *
	+ * Returns:
	+ * None.
	+ *
	+ * Side effects:
	+ * @topology will be cleaned up.
	+ *
	+ *-------------------------------------------------------------------------
	+ */
	+void
	+mongoc_topology_destroy (mongoc_topology_t *topology)
	+{
	+ if (!topology) {
	+ return;
	+ }
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+ bson_free (topology->keyvault_db);
	+ bson_free (topology->keyvault_coll);
	+ mongoc_client_destroy (topology->mongocryptd_client);
	+ mongoc_client_pool_destroy (topology->mongocryptd_client_pool);
	+ _mongoc_crypt_destroy (topology->crypt);
	+ bson_destroy (topology->mongocryptd_spawn_args);
	+ bson_free (topology->mongocryptd_spawn_path);
	+#endif
	+
	+ if (!topology->single_threaded) {
	+ _mongoc_topology_background_monitoring_stop (topology);
	+ BSON_ASSERT (topology->scanner_state == MONGOC_TOPOLOGY_SCANNER_OFF);
	+ mongoc_set_destroy (topology->server_monitors);
	+ mongoc_set_destroy (topology->rtt_monitors);
	+ bson_mutex_destroy (&topology->apm_mutex);
	+ bson_mutex_destroy (&topology->srv_polling_mtx);
	+ mongoc_cond_destroy (&topology->srv_polling_cond);
	+ }
	+
	+ if (topology->valid) {
	+ /* Do not emit a topology_closed event. A topology opening event was not
	+ * emitted. */
	+ _mongoc_topology_description_monitor_closed (
	+ mc_tpld_unsafe_get_const (topology));
	+ }
	+
	+ mongoc_uri_destroy (topology->uri);
	+ mongoc_shared_ptr_reset_null (&topology->_shared_descr_._sptr_);
	+ mongoc_topology_scanner_destroy (topology->scanner);
	+ mongoc_server_session_pool_free (topology->session_pool);
	+
	+ mongoc_cond_destroy (&topology->cond_client);
	+ bson_mutex_destroy (&topology->tpld_modification_mtx);
	+
	+ bson_free (topology);
	+}
	+
	+/* Returns false if none of the hosts were valid. */
	+bool
	+mongoc_topology_apply_scanned_srv_hosts (mongoc_uri_t *uri,
	+ mongoc_topology_description_t *td,
	+ mongoc_host_list_t *hosts,
	+ bson_error_t *error)
	+{
	+ mongoc_host_list_t *host;
	+ mongoc_host_list_t *valid_hosts = NULL;
	+ bool had_valid_hosts = false;
	+
	+ /* Validate that the hosts have a matching domain.
	+ * If validation fails, log it.
	+ * If no valid hosts remain, do not update the topology description.
	+ */
	+ LL_FOREACH (hosts, host)
	+ {
	+ if (mongoc_uri_validate_srv_result (uri, host->host, error)) {
	+ _mongoc_host_list_upsert (&valid_hosts, host);
	+ } else {
	+ MONGOC_ERROR ("Invalid host returned by SRV: %s", host->host_and_port);
	+ /* Continue on, there may still be valid hosts returned. */
	+ }
	+ }
	+
	+ if (valid_hosts) {
	+ /* Reconcile with the topology description. Newly found servers will start
	+ * getting monitored and are eligible to be used by clients. */
	+ mongoc_topology_description_reconcile (td, valid_hosts);
	+ had_valid_hosts = true;
	+ } else {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION,
	+ "SRV response did not contain any valid hosts");
	+ }
	+
	+ _mongoc_host_list_destroy_all (valid_hosts);
	+ return had_valid_hosts;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_should_rescan_srv --
	+ *
	+ * Checks whether it is valid to rescan SRV records on the topology.
	+ * Namely, that the topology type is Sharded or Unknown, and that
	+ * the topology URI was configured with SRV.
	+ *
	+ * If this returns false, caller can stop scanning SRV records
	+ * and does not need to try again in the future.
	+ *
	+ * --------------------------------------------------------------------------
	+ */
	+bool
	+mongoc_topology_should_rescan_srv (mongoc_topology_t *topology)
	+{
	+ const char *srv_hostname = mongoc_uri_get_srv_hostname (topology->uri);
	+ mongoc_topology_description_type_t type;
	+
	+ if (!srv_hostname) {
	+ /* Only rescan if we have a mongodb+srv:// URI. */
	+ return false;
	+ }
	+
	+ type = _mongoc_topology_get_type (topology);
	+
	+ /* Only perform rescan for sharded topology. */
	+ return type == MONGOC_TOPOLOGY_SHARDED \|\| type == MONGOC_TOPOLOGY_UNKNOWN;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_rescan_srv --
	+ *
	+ * Queries SRV records for new hosts in a mongos cluster.
	+ * Caller must call mongoc_topology_should_rescan_srv before calling
	+ * to ensure preconditions are met.
	+ *
	+ * NOTE: This method may update the topology description.
	+ *
	+ * --------------------------------------------------------------------------
	+ */
	+void
	+mongoc_topology_rescan_srv (mongoc_topology_t *topology)
	+{
	+ mongoc_rr_data_t rr_data = {0};
	+ const char *srv_hostname;
	+ char *prefixed_hostname = NULL;
	+ int64_t scan_time_ms;
	+ bool ret;
	+ mc_shared_tpld td;
	+ mc_tpld_modification tdmod;
	+
	+ BSON_ASSERT (mongoc_topology_should_rescan_srv (topology));
	+
	+ srv_hostname = mongoc_uri_get_srv_hostname (topology->uri);
	+ scan_time_ms = topology->srv_polling_last_scan_ms +
	+ topology->srv_polling_rescan_interval_ms;
	+ if (bson_get_monotonic_time () / 1000 < scan_time_ms) {
	+ /* Query SRV no more frequently than srv_polling_rescan_interval_ms. */
	+ return;
	+ }
	+
	+ TRACE ("%s", "Polling for SRV records");
	+
	+ /* Go forth and query... */
	+ prefixed_hostname =
	+ bson_strdup_printf ("_%s._tcp.%s",
	+ mongoc_uri_get_srv_service_name (topology->uri),
	+ srv_hostname);
	+
	+ ret = topology->rr_resolver (prefixed_hostname,
	+ MONGOC_RR_SRV,
	+ &rr_data,
	+ MONGOC_RR_DEFAULT_BUFFER_SIZE,
	+ &topology->scanner->error);
	+
	+ td = mc_tpld_take_ref (topology);
	+ topology->srv_polling_last_scan_ms = bson_get_monotonic_time () / 1000;
	+ if (!ret) {
	+ /* Failed querying, soldier on and try again next time. */
	+ topology->srv_polling_rescan_interval_ms = td.ptr->heartbeat_msec;
	+ MONGOC_ERROR ("SRV polling error: %s", topology->scanner->error.message);
	+ GOTO (done);
	+ }
	+
	+ /* TODO (CDRIVER-4047) use BSON_MIN */
	+ topology->srv_polling_rescan_interval_ms = BSON_MAX (
	+ rr_data.min_ttl * 1000, MONGOC_TOPOLOGY_MIN_RESCAN_SRV_INTERVAL_MS);
	+
	+ tdmod = mc_tpld_modify_begin (topology);
	+ if (!mongoc_topology_apply_scanned_srv_hosts (topology->uri,
	+ tdmod.new_td,
	+ rr_data.hosts,
	+ &topology->scanner->error)) {
	+ MONGOC_ERROR ("%s", topology->scanner->error.message);
	+ /* Special case when DNS returns zero records successfully or no valid
	+ * hosts exist.
	+ * Leave the toplogy alone and perform another scan at the next interval
	+ * rather than removing all records and having nothing to connect to.
	+ * For no verified hosts drivers "MUST temporarily set
	+ * srv_polling_rescan_interval_ms
	+ * to heartbeatFrequencyMS until at least one verified SRV record is
	+ * obtained."
	+ */
	+ topology->srv_polling_rescan_interval_ms = td.ptr->heartbeat_msec;
	+ }
	+ mc_tpld_modify_commit (tdmod);
	+
	+done:
	+ mc_tpld_drop_ref (&td);
	+ bson_free (prefixed_hostname);
	+ _mongoc_host_list_destroy_all (rr_data.hosts);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_topology_scan_once --
	+ *
	+ * Runs a single complete scan.
	+ *
	+ * NOTE: This method updates the topology description.
	+ *
	+ * Only runs for single threaded monitoring. (obey_cooldown is always
	+ * true).
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static void
	+mongoc_topology_scan_once (mongoc_topology_t *topology, bool obey_cooldown)
	+{
	+ mc_tpld_modification tdmod;
	+ if (mongoc_topology_should_rescan_srv (topology)) {
	+ /* Prior to scanning hosts, update the list of SRV hosts, if applicable.
	+ */
	+ mongoc_topology_rescan_srv (topology);
	+ }
	+
	+ /* since the last scan, members may be added or removed from the topology
	+ * description based on hello responses in connection handshakes, see
	+ * _mongoc_topology_update_from_handshake. retire scanner nodes for removed
	+ * members and create scanner nodes for new ones. */
	+ tdmod = mc_tpld_modify_begin (topology);
	+ mongoc_topology_reconcile (topology, tdmod.new_td);
	+ mc_tpld_modify_commit (tdmod);
	+
	+ mongoc_topology_scanner_start (topology->scanner, obey_cooldown);
	+ mongoc_topology_scanner_work (topology->scanner);
	+
	+ _mongoc_topology_scanner_finish (topology->scanner);
	+
	+ topology->last_scan = bson_get_monotonic_time ();
	+ topology->stale = false;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_do_blocking_scan --
	+ *
	+ * Monitoring entry for single-threaded use case. Assumes the caller
	+ * has checked that it's the right time to scan.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+void
	+_mongoc_topology_do_blocking_scan (mongoc_topology_t *topology,
	+ bson_error_t *error)
	+{
	+ _mongoc_handshake_freeze ();
	+
	+ mongoc_topology_scan_once (topology, true /* obey cooldown */);
	+ mongoc_topology_scanner_get_error (topology->scanner, error);
	+}
	+
	+
	+bool
	+mongoc_topology_compatible (const mongoc_topology_description_t *td,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bson_error_t *error)
	+{
	+ int64_t max_staleness_seconds;
	+ int32_t max_wire_version;
	+
	+ if (td->compatibility_error.code) {
	+ if (error) {
	+ memcpy (error, &td->compatibility_error, sizeof (bson_error_t));
	+ }
	+ return false;
	+ }
	+
	+ if (!read_prefs) {
	+ /* NULL means read preference Primary */
	+ return true;
	+ }
	+
	+ max_staleness_seconds =
	+ mongoc_read_prefs_get_max_staleness_seconds (read_prefs);
	+
	+ if (max_staleness_seconds != MONGOC_NO_MAX_STALENESS) {
	+ max_wire_version =
	+ mongoc_topology_description_lowest_max_wire_version (td);
	+
	+ if (max_wire_version < WIRE_VERSION_MAX_STALENESS) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "Not all servers support maxStalenessSeconds");
	+ return false;
	+ }
	+
	+ /* shouldn't happen if we've properly enforced wire version */
	+ if (!mongoc_topology_description_all_sds_have_write_date (td)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION,
	+ "Not all servers have lastWriteDate");
	+ return false;
	+ }
	+
	+ if (!_mongoc_topology_description_validate_max_staleness (
	+ td, max_staleness_seconds, error)) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+
	+static void
	+_mongoc_server_selection_error (const char *msg,
	+ const bson_error_t *scanner_error,
	+ bson_error_t *error)
	+{
	+ if (scanner_error && scanner_error->code) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_SERVER_SELECTION,
	+ MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	+ "%s: %s",
	+ msg,
	+ scanner_error->message);
	+ } else {
	+ bson_set_error (error,
	+ MONGOC_ERROR_SERVER_SELECTION,
	+ MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	+ "%s",
	+ msg);
	+ }
	+}
	+
	+
	+mongoc_server_description_t *
	+mongoc_topology_select (mongoc_topology_t *topology,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bool *must_use_primary,
	+ bson_error_t *error)
	+{
	+ uint32_t server_id = mongoc_topology_select_server_id (
	+ topology, optype, read_prefs, must_use_primary, error);
	+
	+ if (server_id) {
	+ /* new copy of the server description */
	+ mongoc_server_description_t *ret;
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+ mongoc_server_description_t const *sd =
	+ mongoc_topology_description_server_by_id_const (
	+ td.ptr, server_id, error);
	+ ret = mongoc_server_description_new_copy (sd);
	+ mc_tpld_drop_ref (&td);
	+ return ret;
	+ } else {
	+ return NULL;
	+ }
	+}
	+
	+/* Bypasses normal server selection behavior for a load balanced topology.
	+ * Returns the id of the one load balancer server. Returns 0 on failure.
	+ * Successful post-condition: On a single threaded client, a connection will
	+ * have been established. */
	+static uint32_t
	+_mongoc_topology_select_server_id_loadbalanced (mongoc_topology_t *topology,
	+ bson_error_t *error)
	+{
	+ mongoc_server_description_t const *selected_server;
	+ int32_t selected_server_id;
	+ mongoc_topology_scanner_node_t *node;
	+ bson_error_t scanner_error = {0};
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+
	+ BSON_ASSERT (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED);
	+
	+ /* Emit the opening SDAM events if they have not emitted already. */
	+ if (!td.ptr->opened) {
	+ mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	+ _mongoc_topology_description_monitor_opening (tdmod.new_td);
	+ mc_tpld_modify_commit (tdmod);
	+ mc_tpld_renew_ref (&td, topology);
	+ }
	+ selected_server =
	+ mongoc_topology_description_select (td.ptr,
	+ MONGOC_SS_WRITE,
	+ NULL /* read prefs */,
	+ NULL /* chosen read mode */,
	+ 0 /* local threshold */);
	+
	+ if (!selected_server) {
	+ _mongoc_server_selection_error (
	+ "No suitable server found in load balanced deployment", NULL, error);
	+ selected_server_id = 0;
	+ goto done;
	+ }
	+
	+ selected_server_id = selected_server->id;
	+
	+ if (!topology->single_threaded) {
	+ goto done;
	+ }
	+
	+ /* If this is a single threaded topology, we must ensure that a connection is
	+ * available to this server. Wrapping drivers make the assumption that
	+ * successful server selection implies a connection is available. */
	+ node =
	+ mongoc_topology_scanner_get_node (topology->scanner, selected_server_id);
	+ if (!node) {
	+ _mongoc_server_selection_error (
	+ "Topology scanner in invalid state; cannot find load balancer",
	+ NULL,
	+ error);
	+ selected_server_id = 0;
	+ goto done;
	+ }
	+
	+ if (!node->stream) {
	+ TRACE ("%s",
	+ "Server selection performing scan since no connection has "
	+ "been established");
	+ _mongoc_topology_do_blocking_scan (topology, &scanner_error);
	+ }
	+
	+ if (!node->stream) {
	+ /* Use the same error domain / code that is returned in mongoc-cluster.c
	+ * when fetching a stream fails. */
	+ if (scanner_error.code) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	+ "Could not establish stream for node %s: %s",
	+ node->host.host_and_port,
	+ scanner_error.message);
	+ } else {
	+ bson_set_error (error,
	+ MONGOC_ERROR_STREAM,
	+ MONGOC_ERROR_STREAM_NOT_ESTABLISHED,
	+ "Could not establish stream for node %s",
	+ node->host.host_and_port);
	+ }
	+ selected_server_id = 0;
	+ goto done;
	+ }
	+
	+done:
	+ mc_tpld_drop_ref (&td);
	+ return selected_server_id;
	+}
	+
	+
	+uint32_t
	+mongoc_topology_select_server_id (mongoc_topology_t *topology,
	+ mongoc_ss_optype_t optype,
	+ const mongoc_read_prefs_t *read_prefs,
	+ bool *must_use_primary,
	+ bson_error_t *error)
	+{
	+ static const char *timeout_msg =
	+ "No suitable servers found: `serverSelectionTimeoutMS` expired";
	+
	+ mongoc_topology_scanner_t *ts;
	+ int r;
	+ int64_t local_threshold_ms;
	+ const mongoc_server_description_t *selected_server = NULL;
	+ bool try_once;
	+ int64_t sleep_usec;
	+ bool tried_once;
	+ bson_error_t scanner_error = {0};
	+ int64_t heartbeat_msec;
	+ uint32_t server_id;
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+
	+ /* These names come from the Server Selection Spec pseudocode */
	+ int64_t loop_start; /* when we entered this function */
	+ int64_t loop_end; /* when we last completed a loop (single-threaded) */
	+ int64_t scan_ready; /* the soonest we can do a blocking scan */
	+ int64_t next_update; /* the latest we must do a blocking scan */
	+ int64_t expire_at; /* when server selection timeout expires */
	+
	+ BSON_ASSERT (topology);
	+ ts = topology->scanner;
	+
	+ if (!mongoc_topology_scanner_valid (ts)) {
	+ if (error) {
	+ mongoc_topology_scanner_get_error (ts, error);
	+ error->domain = MONGOC_ERROR_SERVER_SELECTION;
	+ error->code = MONGOC_ERROR_SERVER_SELECTION_FAILURE;
	+ }
	+ server_id = 0;
	+ goto done;
	+ }
	+
	+ if (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ server_id =
	+ _mongoc_topology_select_server_id_loadbalanced (topology, error);
	+ goto done;
	+ }
	+
	+ heartbeat_msec = td.ptr->heartbeat_msec;
	+ local_threshold_ms = topology->local_threshold_msec;
	+ try_once = topology->server_selection_try_once;
	+ loop_start = loop_end = bson_get_monotonic_time ();
	+ expire_at =
	+ loop_start + ((int64_t) topology->server_selection_timeout_msec * 1000);
	+
	+ if (topology->single_threaded) {
	+ if (!td.ptr->opened) {
	+ mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	+ _mongoc_topology_description_monitor_opening (tdmod.new_td);
	+ mc_tpld_modify_commit (tdmod);
	+ mc_tpld_renew_ref (&td, topology);
	+ }
	+
	+ tried_once = false;
	+ next_update = topology->last_scan + heartbeat_msec * 1000;
	+ if (next_update < loop_start) {
	+ /* we must scan now */
	+ topology->stale = true;
	+ }
	+
	+ /* until we find a server or time out */
	+ for (;;) {
	+ if (topology->stale) {
	+ /* how soon are we allowed to scan? */
	+ scan_ready = topology->last_scan +
	+ topology->min_heartbeat_frequency_msec * 1000;
	+
	+ if (scan_ready > expire_at && !try_once) {
	+ /* selection timeout will expire before min heartbeat passes */
	+ _mongoc_server_selection_error (
	+ "No suitable servers found: "
	+ "`serverselectiontimeoutms` timed out",
	+ &scanner_error,
	+ error);
	+
	+ server_id = 0;
	+ goto done;
	+ }
	+
	+ sleep_usec = scan_ready - loop_end;
	+ if (sleep_usec > 0) {
	+ if (try_once &&
	+ mongoc_topology_scanner_in_cooldown (ts, scan_ready)) {
	+ _mongoc_server_selection_error (
	+ "No servers yet eligible for rescan",
	+ &scanner_error,
	+ error);
	+
	+ server_id = 0;
	+ goto done;
	+ }
	+
	+ _mongoc_usleep (sleep_usec);
	+ }
	+
	+ /* takes up to connectTimeoutMS. sets "last_scan", clears "stale" */
	+ _mongoc_topology_do_blocking_scan (topology, &scanner_error);
	+ loop_end = topology->last_scan;
	+ tried_once = true;
	+ }
	+
	+ /* Topology may have just been updated by a scan. */
	+ mc_tpld_renew_ref (&td, topology);
	+
	+ if (!mongoc_topology_compatible (td.ptr, read_prefs, error)) {
	+ server_id = 0;
	+ goto done;
	+ }
	+
	+ selected_server = mongoc_topology_description_select (
	+ td.ptr, optype, read_prefs, must_use_primary, local_threshold_ms);
	+
	+ if (selected_server) {
	+ server_id = selected_server->id;
	+ goto done;
	+ }
	+
	+ topology->stale = true;
	+
	+ if (try_once) {
	+ if (tried_once) {
	+ _mongoc_server_selection_error (
	+ "No suitable servers found (`serverSelectionTryOnce` set)",
	+ &scanner_error,
	+ error);
	+
	+ server_id = 0;
	+ goto done;
	+ }
	+ } else {
	+ loop_end = bson_get_monotonic_time ();
	+
	+ if (loop_end > expire_at) {
	+ /* no time left in server_selection_timeout_msec */
	+ _mongoc_server_selection_error (
	+ timeout_msg, &scanner_error, error);
	+
	+ server_id = 0;
	+ goto done;
	+ }
	+ }
	+ }
	+ }
	+
	+ /* With background thread */
	+ /* we break out when we've found a server or timed out */
	+ for (;;) {
	+ /* Topology may have been updated on a previous loop iteration */
	+ mc_tpld_renew_ref (&td, topology);
	+
	+ if (!mongoc_topology_compatible (td.ptr, read_prefs, error)) {
	+ server_id = 0;
	+ goto done;
	+ }
	+
	+ selected_server = mongoc_topology_description_select (
	+ td.ptr, optype, read_prefs, must_use_primary, local_threshold_ms);
	+
	+ if (selected_server) {
	+ server_id = selected_server->id;
	+ goto done;
	+ }
	+
	+ /* tlpd_modification_mtx is used to synchronize updates to the topology.
	+ * Take that lock to do a wait on the topology to become up-to-date and
	+ * synchronize with a condition variable that will be signalled upon
	+ * topology changes. */
	+ bson_mutex_lock (&topology->tpld_modification_mtx);
	+ /* Now that we have the lock, check again, since a scan may have
	+ * occurred while we were waiting on the lock. */
	+ mc_tpld_renew_ref (&td, topology);
	+ selected_server = mongoc_topology_description_select (
	+ td.ptr, optype, read_prefs, must_use_primary, local_threshold_ms);
	+ if (selected_server) {
	+ server_id = selected_server->id;
	+ bson_mutex_unlock (&topology->tpld_modification_mtx);
	+ goto done;
	+ }
	+
	+ /* Still nothing. Request that the scanner do a scan now. */
	+ TRACE (
	+ "server selection requesting an immediate scan, want %s",
	+ _mongoc_read_mode_as_str (mongoc_read_prefs_get_mode (read_prefs)));
	+ _mongoc_topology_request_scan (topology);
	+
	+ TRACE ("server selection about to wait for %" PRId64 "ms",
	+ (expire_at - loop_start) / 1000);
	+ r = mongoc_cond_timedwait (&topology->cond_client,
	+ &topology->tpld_modification_mtx,
	+ (expire_at - loop_start) / 1000);
	+ TRACE ("%s", "server selection awake");
	+ /* Refresh our topology handle */
	+ mc_tpld_renew_ref (&td, topology);
	+ _topology_collect_errors (td.ptr, &scanner_error);
	+
	+ bson_mutex_unlock (&topology->tpld_modification_mtx);
	+
	+#ifdef _WIN32
	+ if (r == WSAETIMEDOUT) {
	+#else
	+ if (r == ETIMEDOUT) {
	+#endif
	+ /* handle timeouts */
	+ _mongoc_server_selection_error (timeout_msg, &scanner_error, error);
	+
	+ server_id = 0;
	+ goto done;
	+ } else if (r) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_SERVER_SELECTION,
	+ MONGOC_ERROR_SERVER_SELECTION_FAILURE,
	+ "Unknown error '%d' received while waiting on "
	+ "thread condition",
	+ r);
	+ server_id = 0;
	+ goto done;
	+ }
	+
	+ loop_start = bson_get_monotonic_time ();
	+
	+ if (loop_start > expire_at) {
	+ _mongoc_server_selection_error (timeout_msg, &scanner_error, error);
	+
	+ server_id = 0;
	+ goto done;
	+ }
	+ }
	+
	+done:
	+ mc_tpld_drop_ref (&td);
	+ return server_id;
	+}
	+
	+
	+mongoc_host_list_t *
	+_mongoc_topology_host_by_id (const mongoc_topology_description_t *td,
	+ uint32_t id,
	+ bson_error_t *error)
	+{
	+ mongoc_server_description_t const *sd;
	+ mongoc_host_list_t *host = NULL;
	+
	+ /* not a copy - direct pointer into topology description data */
	+ sd = mongoc_topology_description_server_by_id_const (td, id, error);
	+
	+ if (sd) {
	+ host = bson_malloc0 (sizeof (mongoc_host_list_t));
	+ memcpy (host, &sd->host, sizeof (mongoc_host_list_t));
	+ }
	+
	+ return host;
	+}
	+
	+
	+void
	+_mongoc_topology_request_scan (mongoc_topology_t *topology)
	+{
	+ _mongoc_topology_background_monitoring_request_scan (topology);
	+}
	+
	+bool
	+_mongoc_topology_update_from_handshake (mongoc_topology_t *topology,
	+ const mongoc_server_description_t *sd)
	+{
	+ bool has_server;
	+ mc_tpld_modification tdmod;
	+
	+ BSON_ASSERT (topology);
	+ BSON_ASSERT (sd);
	+ BSON_ASSERT (!topology->single_threaded);
	+
	+ if (_mongoc_topology_get_type (topology) == MONGOC_TOPOLOGY_LOAD_BALANCED) {
	+ /* In load balanced mode, scanning is only for connection establishment.
	+ * It must not modify the topology description. */
	+ return true;
	+ }
	+
	+ tdmod = mc_tpld_modify_begin (topology);
	+
	+ /* return false if server was removed from topology */
	+ has_server = _mongoc_topology_update_no_lock (sd->id,
	+ &sd->last_hello_response,
	+ sd->round_trip_time_msec,
	+ tdmod.new_td,
	+ NULL);
	+
	+ /* if pooled, wake threads waiting in mongoc_topology_server_by_id */
	+ mongoc_cond_broadcast (&topology->cond_client);
	+ /* Update background monitoring. */
	+ _mongoc_topology_background_monitoring_reconcile (topology, tdmod.new_td);
	+ mc_tpld_modify_commit (tdmod);
	+
	+ return has_server;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_update_last_used --
	+ *
	+ * Internal function. In single-threaded mode only, track when the socket
	+ * to a particular server was last used. This is required for
	+ * mongoc_cluster_check_interval to know when a socket has been idle.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_topology_update_last_used (mongoc_topology_t *topology,
	+ uint32_t server_id)
	+{
	+ mongoc_topology_scanner_node_t *node;
	+
	+ if (!topology->single_threaded) {
	+ return;
	+ }
	+
	+ node = mongoc_topology_scanner_get_node (topology->scanner, server_id);
	+ if (node) {
	+ node->last_used = bson_get_monotonic_time ();
	+ }
	+}
	+
	+
	+mongoc_topology_description_type_t
	+_mongoc_topology_get_type (const mongoc_topology_t *topology)
	+{
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+ mongoc_topology_description_type_t td_type = td.ptr->type;
	+ mc_tpld_drop_ref (&td);
	+ return td_type;
	+}
	+
	+bool
	+_mongoc_topology_set_appname (mongoc_topology_t topology, const char appname)
	+{
	+ bool ret = false;
	+
	+ if (topology->scanner_state == MONGOC_TOPOLOGY_SCANNER_OFF) {
	+ ret = _mongoc_topology_scanner_set_appname (topology->scanner, appname);
	+ } else {
	+ MONGOC_ERROR ("Cannot set appname after handshake initiated");
	+ }
	+ return ret;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_update_cluster_time --
	+ *
	+ * Internal function. If the server reply has a later $clusterTime than
	+ * any seen before, update the topology's clusterTime. See the Driver
	+ * Sessions Spec.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_topology_update_cluster_time (mongoc_topology_t *topology,
	+ const bson_t *reply)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+ const uint8_t *data;
	+ uint32_t size;
	+ bson_t cluster_time;
	+ mc_shared_tpld td;
	+
	+ if (!reply \|\| !bson_iter_init_find (&iter, reply, "$clusterTime")) {
	+ return;
	+ }
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT (&iter) \|\|
	+ !bson_iter_recurse (&iter, &child)) {
	+ MONGOC_ERROR ("Can't parse $clusterTime");
	+ return;
	+ }
	+
	+ bson_iter_document (&iter, &size, &data);
	+ BSON_ASSERT (bson_init_static (&cluster_time, data, (size_t) size));
	+
	+ td = mc_tpld_take_ref (topology);
	+
	+ /* This func is called frequently and repeatedly, but the cluster time itself
	+ * is infrequently updated. mc_tpld_modify_begin() is very expensive, so we
	+ * only want to actually call it if we anticipate performing an update to the
	+ * cluster time.
	+ *
	+ * Check that the cluster time has actually changed from what we have on
	+ * record before opening a topology modification to update it. */
	+ if (bson_empty (&td.ptr->cluster_time) \|\|
	+ _mongoc_cluster_time_greater (&cluster_time, &td.ptr->cluster_time)) {
	+ mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	+ /* Check again if we need to update the cluster time, since it may have
	+ * been updated behind our back. */
	+ if (bson_empty (&tdmod.new_td->cluster_time) \|\|
	+ _mongoc_cluster_time_greater (&cluster_time,
	+ &tdmod.new_td->cluster_time)) {
	+ bson_destroy (&tdmod.new_td->cluster_time);
	+ bson_copy_to (&cluster_time, &tdmod.new_td->cluster_time);
	+ _mongoc_topology_scanner_set_cluster_time (
	+ topology->scanner, &tdmod.new_td->cluster_time);
	+ mc_tpld_modify_commit (tdmod);
	+ } else {
	+ mc_tpld_modify_drop (tdmod);
	+ }
	+ }
	+ mc_tpld_drop_ref (&td);
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_pop_server_session --
	+ *
	+ * Internal function. Get a server session from the pool or create
	+ * one. On error, return NULL and fill out @error.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+mongoc_server_session_t *
	+_mongoc_topology_pop_server_session (mongoc_topology_t *topology,
	+ bson_error_t *error)
	+{
	+ int64_t timeout;
	+ mongoc_server_session_t *ss = NULL;
	+ bool loadbalanced;
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+
	+ ENTRY;
	+
	+ timeout = td.ptr->session_timeout_minutes;
	+ loadbalanced = td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED;
	+
	+ /* When the topology type is LoadBalanced, sessions are always supported. */
	+ if (!loadbalanced && timeout == MONGOC_NO_SESSIONS) {
	+ /* if needed, connect and check for session timeout again */
	+ if (!mongoc_topology_description_has_data_node (td.ptr)) {
	+ if (!mongoc_topology_select_server_id (topology,
	+ MONGOC_SS_READ,
	+ NULL /* read prefs */,
	+ NULL /* chosen read mode */,
	+ error)) {
	+ ss = NULL;
	+ goto done;
	+ }
	+
	+ /* Topology may have been updated by a scan */
	+ mc_tpld_renew_ref (&td, topology);
	+
	+ timeout = td.ptr->session_timeout_minutes;
	+ }
	+
	+ if (timeout == MONGOC_NO_SESSIONS) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_CLIENT,
	+ MONGOC_ERROR_CLIENT_SESSION_FAILURE,
	+ "Server does not support sessions");
	+ ss = NULL;
	+ goto done;
	+ }
	+ }
	+
	+ ss = mongoc_server_session_pool_get (topology->session_pool, error);
	+
	+done:
	+ mc_tpld_drop_ref (&td);
	+ RETURN (ss);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_push_server_session --
	+ *
	+ * Internal function. Return a server session to the pool.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_topology_push_server_session (mongoc_topology_t *topology,
	+ mongoc_server_session_t *server_session)
	+{
	+ ENTRY;
	+
	+ /**
	+ * ! note:
	+ * At time of writing, this diverges from the spec:
	+ * https://github.com/mongodb/specifications/blob/df6be82f865e9b72444488fd62ae1eb5fca18569/source/sessions/driver-sessions.rst#algorithm-to-return-a-serversession-instance-to-the-server-session-pool
	+ *
	+ * The spec notes that before returning a session, we should first inspect
	+ * the back of the pool for expired items and delete them. In this case, we
	+ * simply return the item to the top of the pool and leave the remainder
	+ * unchanged.
	+ *
	+ * The next pop operation that encounters an expired session will clear the
	+ * entire session pool, thus preventing unbounded growth of the pool.
	+ */
	+ mongoc_server_session_pool_return (server_session);
	+
	+ EXIT;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_topology_end_sessions_cmd --
	+ *
	+ * Internal function. End up to 10,000 server sessions. @cmd is an
	+ * uninitialized document. Sessions are destroyed as their ids are
	+ * appended to @cmd.
	+ *
	+ * Driver Sessions Spec: "If the number of sessions is very large the
	+ * endSessions command SHOULD be run multiple times to end 10,000
	+ * sessions at a time (in order to avoid creating excessively large
	+ * commands)."
	+ *
	+ * Returns:
	+ * true if any session ids were appended to @cmd.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+_mongoc_topology_end_sessions_cmd (mongoc_topology_t topology, bson_t cmd)
	+{
	+ bson_t ar;
	+ /* Only end up to 10'000 sessions */
	+ const int ENDED_SESSION_PRUNING_LIMIT = 10000;
	+ int i = 0;
	+ mongoc_server_session_t *ss =
	+ mongoc_server_session_pool_get_existing (topology->session_pool);
	+
	+ bson_init (cmd);
	+ BSON_APPEND_ARRAY_BEGIN (cmd, "endSessions", &ar);
	+
	+ for (; i < ENDED_SESSION_PRUNING_LIMIT && ss != NULL;
	+ ++i,
	+ ss = mongoc_server_session_pool_get_existing (topology->session_pool)) {
	+ char buf[16];
	+ const char *key;
	+ bson_uint32_to_string (i, &key, buf, sizeof buf);
	+ BSON_APPEND_DOCUMENT (&ar, key, &ss->lsid);
	+ mongoc_server_session_pool_drop (ss);
	+ }
	+
	+ if (ss) {
	+ /* We deleted at least 10'000 sessions, so we will need to return the
	+ * final session that we didn't drop */
	+ mongoc_server_session_pool_return (ss);
	+ }
	+
	+ bson_append_array_end (cmd, &ar);
	+
	+ return i > 0;
	+}
	+
	+void
	+_mongoc_topology_dup_handshake_cmd (const mongoc_topology_t *topology,
	+ bson_t *copy_into)
	+{
	+ _mongoc_topology_scanner_dup_handshake_cmd (topology->scanner, copy_into);
	+}
	+
	+void
	+_mongoc_topology_bypass_cooldown (mongoc_topology_t *topology)
	+{
	+ BSON_ASSERT (topology->single_threaded);
	+ topology->scanner->bypass_cooldown = true;
	+}
	+
	+static void
	+_find_topology_version (const bson_t reply, bson_t topology_version)
	+{
	+ bson_iter_t iter;
	+ const uint8_t *bytes;
	+ uint32_t len;
	+
	+ if (!bson_iter_init_find (&iter, reply, "topologyVersion") \|\|
	+ !BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ bson_init (topology_version);
	+ return;
	+ }
	+ bson_iter_document (&iter, &len, &bytes);
	+ bson_init_static (topology_version, bytes, len);
	+}
	+
	+
	+static bool
	+_handle_sdam_app_error_command (mongoc_topology_t *topology,
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ uint32_t generation,
	+ const bson_oid_t *service_id,
	+ const mongoc_server_description_t *sd,
	+ uint32_t max_wire_version,
	+ const bson_t *reply)
	+{
	+ bson_error_t cmd_error;
	+ bson_t incoming_topology_version;
	+ bool pool_cleared = false;
	+ bool should_clear_pool = false;
	+ mc_tpld_modification tdmod;
	+ mongoc_server_description_t *mut_sd;
	+
	+ if (_mongoc_cmd_check_ok_no_wce (
	+ reply, MONGOC_ERROR_API_VERSION_2, &cmd_error)) {
	+ /* No error. */
	+ return false;
	+ }
	+
	+ if (!_mongoc_error_is_state_change (&cmd_error)) {
	+ /* Not a "not primary" or "node is recovering" error. */
	+ return false;
	+ }
	+
	+ /* Check if the error is "stale", i.e. the topologyVersion refers to an
	+ * older
	+ * version of the server than we have stored in the topology description.
	+ */
	+ _find_topology_version (reply, &incoming_topology_version);
	+ if (mongoc_server_description_topology_version_cmp (
	+ &sd->topology_version, &incoming_topology_version) >= 0) {
	+ /* The server description is greater or equal, ignore the error. */
	+ bson_destroy (&incoming_topology_version);
	+ return false;
	+ }
	+
	+ should_clear_pool = (max_wire_version <= WIRE_VERSION_4_0 \|\|
	+ _mongoc_error_is_shutdown (&cmd_error));
	+
	+ tdmod = mc_tpld_modify_begin (topology);
	+
	+ /* Get the server handle again, which might have been removed. */
	+ mut_sd =
	+ mongoc_topology_description_server_by_id (tdmod.new_td, server_id, NULL);
	+
	+ if (!mut_sd) {
	+ /* Server was already removed/invalidated */
	+ mc_tpld_modify_drop (tdmod);
	+ bson_destroy (&incoming_topology_version);
	+ return false;
	+ }
	+
	+ /* Check the topology version a second time, now that we have an exclusive
	+ * lock on the latest topology description. */
	+ if (mongoc_server_description_topology_version_cmp (
	+ &mut_sd->topology_version, &incoming_topology_version) >= 0) {
	+ /* The server description is greater or equal, ignore the error. */
	+ mc_tpld_modify_drop (tdmod);
	+ bson_destroy (&incoming_topology_version);
	+ return false;
	+ }
	+
	+ if (generation < mc_tpl_sd_get_generation (mut_sd, service_id)) {
	+ /* Our view of the server description is stale. Ignore it. */
	+ mc_tpld_modify_drop (tdmod);
	+ bson_destroy (&incoming_topology_version);
	+ return false;
	+ }
	+
	+ /* Overwrite the topology version. */
	+ mongoc_server_description_set_topology_version (mut_sd,
	+ &incoming_topology_version);
	+
	+ /* SDAM: When handling a "not primary" or "node is recovering" error, the
	+ * client MUST clear the server's connection pool if and only if the error
	+ * is "node is shutting down" or the error originated from server version
	+ * < 4.2.
	+ */
	+ if (should_clear_pool) {
	+ _mongoc_topology_description_clear_connection_pool (
	+ tdmod.new_td, server_id, service_id);
	+ pool_cleared = true;
	+ }
	+
	+ /*
	+ * SDAM: When the client sees a "not primary" or "node is recovering"
	+ * error and the error's topologyVersion is strictly greater than the
	+ * current ServerDescription's topologyVersion it MUST replace the
	+ * server's description with a ServerDescription of type Unknown.
	+ */
	+ mongoc_topology_description_invalidate_server (
	+ tdmod.new_td, server_id, &cmd_error);
	+
	+ if (topology->single_threaded) {
	+ /* SDAM: For single-threaded clients, in the case of a "not primary" or
	+ * "node is shutting down" error, the client MUST mark the topology as
	+ * "stale"
	+ */
	+ if (_mongoc_error_is_not_primary (&cmd_error)) {
	+ topology->stale = true;
	+ }
	+ } else {
	+ /* SDAM Spec: "Multi-threaded and asynchronous clients MUST request an
	+ * immediate check of the server."
	+ * Instead of requesting a check of the one server, request a scan
	+ * to all servers (to find the new primary).
	+ */
	+ _mongoc_topology_request_scan (topology);
	+ }
	+
	+ mc_tpld_modify_commit (tdmod);
	+ bson_destroy (&incoming_topology_version);
	+
	+ return pool_cleared;
	+}
	+
	+
	+bool
	+_mongoc_topology_handle_app_error (mongoc_topology_t *topology,
	+ uint32_t server_id,
	+ bool handshake_complete,
	+ _mongoc_sdam_app_error_type_t type,
	+ const bson_t *reply,
	+ const bson_error_t *why,
	+ uint32_t max_wire_version,
	+ uint32_t generation,
	+ const bson_oid_t *service_id)
	+{
	+ bson_error_t server_selection_error;
	+ const mongoc_server_description_t *sd;
	+ bool cleared_pool = false;
	+ mc_shared_tpld td = mc_tpld_take_ref (topology);
	+
	+ /* Start by checking every condition in which we should ignore the error */
	+ sd = mongoc_topology_description_server_by_id_const (
	+ td.ptr, server_id, &server_selection_error);
	+
	+ if (!sd) {
	+ /* The server was already removed from the topology. Ignore error. */
	+ goto ignore_error;
	+ }
	+
	+ /* When establishing a new connection in load balanced mode, drivers MUST NOT
	+ * perform SDAM error handling for any errors that occur before the MongoDB
	+ * Handshake. */
	+ if (td.ptr->type == MONGOC_TOPOLOGY_LOAD_BALANCED && !handshake_complete) {
	+ goto ignore_error;
	+ }
	+
	+ if (generation < mc_tpl_sd_get_generation (sd, service_id)) {
	+ /* This is a stale connection. Ignore. */
	+ goto ignore_error;
	+ }
	+
	+ if (type == MONGOC_SDAM_APP_ERROR_TIMEOUT && handshake_complete) {
	+ /* Timeout errors after handshake are ok, do nothing. */
	+ goto ignore_error;
	+ }
	+
	+ /* Do something with the error */
	+ if (type == MONGOC_SDAM_APP_ERROR_COMMAND) {
	+ cleared_pool = _handle_sdam_app_error_command (topology,
	+ td.ptr,
	+ server_id,
	+ generation,
	+ service_id,
	+ sd,
	+ max_wire_version,
	+ reply);
	+ } else {
	+ /* Invalidate the server that saw the error. */
	+ mc_tpld_modification tdmod = mc_tpld_modify_begin (topology);
	+ sd = mongoc_topology_description_server_by_id_const (
	+ tdmod.new_td, server_id, NULL);
	+ /* Check if the server has already been invalidated */
	+ if (!sd \|\| generation < mc_tpl_sd_get_generation (sd, service_id)) {
	+ mc_tpld_modify_drop (tdmod);
	+ goto ignore_error;
	+ }
	+ /* Mark server as unknown. */
	+ mongoc_topology_description_invalidate_server (
	+ tdmod.new_td, server_id, why);
	+ /* Clear the connection pool */
	+ _mongoc_topology_description_clear_connection_pool (
	+ tdmod.new_td, server_id, service_id);
	+ cleared_pool = true;
	+ if (!topology->single_threaded) {
	+ _mongoc_topology_background_monitoring_cancel_check (topology,
	+ server_id);
	+ }
	+ mc_tpld_modify_commit (tdmod);
	+ }
	+
	+ignore_error: /* <- Jump taken if we should ignore the error */
	+
	+ mc_tpld_drop_ref (&td);
	+ return cleared_pool;
	+}
	+
	+/* Called from application threads
	+ * Caller must hold topology lock.
	+ * For single-threaded monitoring, the topology scanner may include errors for
	+ * servers that were removed from the topology.
	+ */
	+static void
	+_topology_collect_errors (const mongoc_topology_description_t *td,
	+ bson_error_t *error_out)
	+{
	+ const mongoc_server_description_t *server_description;
	+ bson_string_t *error_message;
	+ int i;
	+
	+ memset (error_out, 0, sizeof (bson_error_t));
	+ error_message = bson_string_new ("");
	+
	+ for (i = 0; i < mc_tpld_servers_const (td)->items_len; i++) {
	+ const bson_error_t *error;
	+
	+ server_description = mc_tpld_servers_const (td)->items[i].item;
	+ error = &server_description->error;
	+ if (error->code) {
	+ if (error_message->len > 0) {
	+ bson_string_append_c (error_message, ' ');
	+ }
	+ bson_string_append_printf (
	+ error_message, "[%s]", server_description->error.message);
	+ /* The last error's code and domain wins. */
	+ error_out->code = error->code;
	+ error_out->domain = error->domain;
	+ }
	+ }
	+
	+ bson_strncpy ((char *) &error_out->message,
	+ error_message->str,
	+ sizeof (error_out->message));
	+ bson_string_free (error_message, true);
	+}
	+
	+void
	+_mongoc_topology_set_rr_resolver (mongoc_topology_t *topology,
	+ _mongoc_rr_resolver_fn rr_resolver)
	+{
	+ topology->rr_resolver = rr_resolver;
	+}
	+
	+void
	+_mongoc_topology_set_srv_polling_rescan_interval_ms (
	+ mongoc_topology_t *topology, int64_t val)
	+{
	+ topology->srv_polling_rescan_interval_ms = val;
	+}
	+
	+uint32_t
	+_mongoc_topology_get_connection_pool_generation (
	+ const mongoc_topology_description_t *td,
	+ uint32_t server_id,
	+ const bson_oid_t *service_id)
	+{
	+ const mongoc_server_description_t *sd;
	+ bson_error_t error;
	+
	+ BSON_ASSERT (service_id);
	+
	+ sd = mongoc_topology_description_server_by_id_const (td, server_id, &error);
	+ if (!sd) {
	+ /* Server removed, ignore and ignore error. */
	+ return 0;
	+ }
	+
	+ return mc_tpl_sd_get_generation (sd, service_id);
	+}
	+
	+mc_tpld_modification
	+mc_tpld_modify_begin (mongoc_topology_t *tpl)
	+{
	+ mc_shared_tpld prev_td;
	+ mongoc_topology_description_t *new_td;
	+ bson_mutex_lock (&tpl->tpld_modification_mtx);
	+ prev_td = mc_tpld_take_ref (tpl);
	+ new_td = mongoc_topology_description_new_copy (prev_td.ptr),
	+ mc_tpld_drop_ref (&prev_td);
	+ return (mc_tpld_modification){
	+ .new_td = new_td,
	+ .topology = tpl,
	+ };
	+}
	+
	+void
	+mc_tpld_modify_commit (mc_tpld_modification mod)
	+{
	+ mongoc_shared_ptr old_sptr =
	+ mongoc_shared_ptr_copy (mod.topology->_shared_descr_._sptr_);
	+ mongoc_shared_ptr new_sptr =
	+ mongoc_shared_ptr_create (mod.new_td, _tpld_destroy_and_free);
	+ mongoc_atomic_shared_ptr_store (&mod.topology->_shared_descr_._sptr_,
	+ new_sptr);
	+ bson_mutex_unlock (&mod.topology->tpld_modification_mtx);
	+ mongoc_shared_ptr_reset_null (&new_sptr);
	+ mongoc_shared_ptr_reset_null (&old_sptr);
	+}
	+
	+void
	+mc_tpld_modify_drop (mc_tpld_modification mod)
	+{
	+ bson_mutex_unlock (&mod.topology->tpld_modification_mtx);
	+ mongoc_topology_description_destroy (mod.new_td);
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-trace-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-trace-private.h
	new file mode 100644
	index 00000000..604b2762
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-trace-private.h
	@@ -0,0 +1,141 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+
	+#ifndef MONGOC_TRACE_PRIVATE_H
	+#define MONGOC_TRACE_PRIVATE_H
	+
	+
	+#include <bson/bson.h>
	+#include <ctype.h>
	+
	+#include "mongoc-log.h"
	+#include "mongoc-log-private.h"
	+#include "mongoc-config.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+#define TRACE(msg, ...) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ "TRACE: %s():%d " msg, \
	+ BSON_FUNC, \
	+ __LINE__, \
	+ __VA_ARGS__); \
	+ } \
	+ } while (0)
	+#define ENTRY \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ "ENTRY: %s():%d", \
	+ BSON_FUNC, \
	+ __LINE__); \
	+ } \
	+ } while (0)
	+#define EXIT \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ " EXIT: %s():%d", \
	+ BSON_FUNC, \
	+ __LINE__); \
	+ } \
	+ return; \
	+ } while (0)
	+#define RETURN(ret) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ " EXIT: %s():%d", \
	+ BSON_FUNC, \
	+ __LINE__); \
	+ } \
	+ return ret; \
	+ } while (0)
	+#define GOTO(label) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ " GOTO: %s():%d %s", \
	+ BSON_FUNC, \
	+ __LINE__, \
	+ #label); \
	+ } \
	+ goto label; \
	+ } while (0)
	+#define DUMP_BYTES(_n, _b, _l) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ "TRACE: %s():%d %s = %p [%d]", \
	+ BSON_FUNC, \
	+ __LINE__, \
	+ #_n, \
	+ _b, \
	+ (int) _l); \
	+ mongoc_log_trace_bytes (MONGOC_LOG_DOMAIN, _b, _l); \
	+ } \
	+ } while (0)
	+#define DUMP_BSON(_bson) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ char *_bson_str; \
	+ if (_bson) { \
	+ _bson_str = bson_as_canonical_extended_json (_bson, NULL); \
	+ } else { \
	+ _bson_str = bson_strdup ("<NULL>"); \
	+ } \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ "TRACE: %s():%d %s = %s", \
	+ BSON_FUNC, \
	+ __LINE__, \
	+ #_bson, \
	+ _bson_str); \
	+ bson_free (_bson_str); \
	+ } \
	+ } while (0)
	+#define DUMP_IOVEC(_n, _iov, _iovcnt) \
	+ do { \
	+ if (MONGOC_TRACE_ENABLED) { \
	+ mongoc_log (MONGOC_LOG_LEVEL_TRACE, \
	+ MONGOC_LOG_DOMAIN, \
	+ "TRACE: %s():%d %s = %p [%d]", \
	+ BSON_FUNC, \
	+ __LINE__, \
	+ #_n, \
	+ (void *) _iov, \
	+ (int) _iovcnt); \
	+ mongoc_log_trace_iovec (MONGOC_LOG_DOMAIN, _iov, _iovcnt); \
	+ } \
	+ } while (0)
	+
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_TRACE_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-ts-pool.c
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri-private.h
	new file mode 100644
	index 00000000..37182bf0
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri-private.h
	@@ -0,0 +1,85 @@
	+/*
	+ * Copyright 2015 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_URI_PRIVATE_H
	+#define MONGOC_URI_PRIVATE_H
	+
	+#include "mongoc-uri.h"
	+#include "mongoc-scram-private.h"
	+#include "mongoc-crypto-private.h"
	+
	+
	+BSON_BEGIN_DECLS
	+
	+
	+bool
	+mongoc_uri_upsert_host_and_port (mongoc_uri_t *uri,
	+ const char *host_and_port,
	+ bson_error_t *error);
	+bool
	+mongoc_uri_upsert_host (mongoc_uri_t *uri,
	+ const char *host,
	+ uint16_t port,
	+ bson_error_t *error);
	+void
	+mongoc_uri_remove_host (mongoc_uri_t uri, const char host, uint16_t port);
	+
	+bool
	+mongoc_uri_parse_host (mongoc_uri_t uri, const char str);
	+bool
	+mongoc_uri_parse_options (mongoc_uri_t *uri,
	+ const char *str,
	+ bool from_dns,
	+ bson_error_t *error);
	+int32_t
	+mongoc_uri_get_local_threshold_option (const mongoc_uri_t *uri);
	+
	+bool
	+_mongoc_uri_requires_auth_negotiation (const mongoc_uri_t *uri);
	+
	+const char *
	+mongoc_uri_canonicalize_option (const char *key);
	+
	+mongoc_uri_t *
	+_mongoc_uri_copy_and_replace_host_list (const mongoc_uri_t *original,
	+ const char *host);
	+
	+bool
	+mongoc_uri_init_with_srv_host_list (mongoc_uri_t *uri,
	+ mongoc_host_list_t *hosts,
	+ bson_error_t *error);
	+
	+bool
	+mongoc_uri_validate_srv_result (const mongoc_uri_t *uri,
	+ const char *host,
	+ bson_error_t *error);
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+void
	+_mongoc_uri_init_scram (const mongoc_uri_t *uri,
	+ mongoc_scram_t *scram,
	+ mongoc_crypto_hash_algorithm_t algo);
	+#endif
	+
	+bool
	+mongoc_uri_finalize (mongoc_uri_t uri, bson_error_t error);
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_URI_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.c
	new file mode 100644
	index 00000000..51230470
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.c
	@@ -0,0 +1,3333 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#include <ctype.h>
	+#include <stdlib.h>
	+#include <string.h>
	+#include <sys/types.h>
	+#include <math.h>
	+
	+/* strcasecmp on windows */
	+#include "mongoc-util-private.h"
	+
	+#include "mongoc-config.h"
	+#include "mongoc-host-list.h"
	+#include "mongoc-host-list-private.h"
	+#include "mongoc-log.h"
	+#include "mongoc-handshake-private.h"
	+#include "mongoc-socket.h"
	+#include "mongoc-topology-private.h"
	+#include "mongoc-uri-private.h"
	+#include "mongoc-read-concern-private.h"
	+#include "mongoc-write-concern-private.h"
	+#include "mongoc-compression-private.h"
	+#include "utlist.h"
	+
	+struct _mongoc_uri_t {
	+ char *str;
	+ bool is_srv;
	+ char srv[BSON_HOST_NAME_MAX + 1];
	+ mongoc_host_list_t *hosts;
	+ char *username;
	+ char *password;
	+ char *database;
	+ bson_t raw; /* Unparsed options, see mongoc_uri_parse_options */
	+ bson_t options; /* Type-coerced and canonicalized options */
	+ bson_t credentials;
	+ bson_t compressors;
	+ mongoc_read_prefs_t *read_prefs;
	+ mongoc_read_concern_t *read_concern;
	+ mongoc_write_concern_t *write_concern;
	+};
	+
	+#define MONGOC_URI_ERROR(error, format, ...) \
	+ bson_set_error (error, \
	+ MONGOC_ERROR_COMMAND, \
	+ MONGOC_ERROR_COMMAND_INVALID_ARG, \
	+ format, \
	+ __VA_ARGS__);
	+
	+
	+static const char *escape_instructions = "Percent-encode username and password"
	+ " according to RFC 3986";
	+
	+static bool
	+_mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	+ const char *option,
	+ int32_t value);
	+
	+static bool
	+_mongoc_uri_set_option_as_int32_with_error (mongoc_uri_t *uri,
	+ const char *option,
	+ int32_t value,
	+ bson_error_t *error);
	+
	+static bool
	+_mongoc_uri_set_option_as_int64_with_error (mongoc_uri_t *uri,
	+ const char *option,
	+ int64_t value,
	+ bson_error_t *error);
	+
	+static bool
	+ends_with (const char str, const char suffix);
	+
	+static void
	+mongoc_uri_do_unescape (char **str)
	+{
	+ char *tmp;
	+
	+ if ((tmp = *str)) {
	+ *str = mongoc_uri_unescape (tmp);
	+ bson_free (tmp);
	+ }
	+}
	+
	+
	+#define VALIDATE_SRV_ERR() \
	+ do { \
	+ bson_set_error (error, \
	+ MONGOC_ERROR_STREAM, \
	+ MONGOC_ERROR_STREAM_NAME_RESOLUTION, \
	+ "Invalid host \"%s\" returned for service \"%s\": " \
	+ "host must be subdomain of service name", \
	+ host, \
	+ srv_hostname); \
	+ return false; \
	+ } while (0)
	+
	+
	+static int
	+count_dots (const char *s)
	+{
	+ int n = 0;
	+ const char *dot = s;
	+
	+ while ((dot = strchr (dot + 1, '.'))) {
	+ n++;
	+ }
	+
	+ return n;
	+}
	+
	+static char *
	+lowercase_str_new (const char *key)
	+{
	+ char *ret = bson_strdup (key);
	+ mongoc_lowercase (key, ret);
	+ return ret;
	+}
	+
	+/* at least one character, and does not start with dot */
	+static bool
	+valid_hostname (const char *s)
	+{
	+ size_t len = strlen (s);
	+
	+ return len > 1 && s[0] != '.';
	+}
	+
	+
	+bool
	+mongoc_uri_validate_srv_result (const mongoc_uri_t *uri,
	+ const char *host,
	+ bson_error_t *error)
	+{
	+ const char *srv_hostname;
	+ const char *srv_host;
	+
	+ srv_hostname = mongoc_uri_get_srv_hostname (uri);
	+ BSON_ASSERT (srv_hostname);
	+
	+ if (!valid_hostname (host)) {
	+ VALIDATE_SRV_ERR ();
	+ }
	+
	+ srv_host = strchr (srv_hostname, '.');
	+ BSON_ASSERT (srv_host);
	+
	+ /* host must be descendent of service root: if service is
	+ * "a.foo.co" host can be like "a.foo.co", "b.foo.co", "a.b.foo.co", etc.
	+ */
	+ if (strlen (host) < strlen (srv_host)) {
	+ VALIDATE_SRV_ERR ();
	+ }
	+
	+ if (!ends_with (host, srv_host)) {
	+ VALIDATE_SRV_ERR ();
	+ }
	+
	+ return true;
	+}
	+
	+/* copy and upsert @host into @uri's host list. */
	+static bool
	+_upsert_into_host_list (mongoc_uri_t *uri,
	+ mongoc_host_list_t *host,
	+ bson_error_t *error)
	+{
	+ if (uri->is_srv &&
	+ !mongoc_uri_validate_srv_result (uri, host->host, error)) {
	+ return false;
	+ }
	+
	+ _mongoc_host_list_upsert (&uri->hosts, host);
	+
	+ return true;
	+}
	+
	+bool
	+mongoc_uri_upsert_host_and_port (mongoc_uri_t *uri,
	+ const char *host_and_port,
	+ bson_error_t *error)
	+{
	+ mongoc_host_list_t temp;
	+
	+ memset (&temp, 0, sizeof (mongoc_host_list_t));
	+ if (!_mongoc_host_list_from_string_with_err (&temp, host_and_port, error)) {
	+ return false;
	+ }
	+
	+ return _upsert_into_host_list (uri, &temp, error);
	+}
	+
	+bool
	+mongoc_uri_upsert_host (mongoc_uri_t *uri,
	+ const char *host,
	+ uint16_t port,
	+ bson_error_t *error)
	+{
	+ mongoc_host_list_t temp;
	+
	+ memset (&temp, 0, sizeof (mongoc_host_list_t));
	+ if (!_mongoc_host_list_from_hostport_with_err (&temp, host, port, error)) {
	+ return false;
	+ }
	+
	+ return _upsert_into_host_list (uri, &temp, error);
	+}
	+
	+void
	+mongoc_uri_remove_host (mongoc_uri_t uri, const char host, uint16_t port)
	+{
	+ _mongoc_host_list_remove_host (&(uri->hosts), host, port);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * scan_to_unichar --
	+ *
	+ * Scans 'str' until either a character matching 'match' is found,
	+ * until one of the characters in 'terminators' is encountered, or
	+ * until we reach the end of 'str'.
	+ *
	+ * NOTE: 'terminators' may not include multibyte UTF-8 characters.
	+ *
	+ * Returns:
	+ * If 'match' is found, returns a copy of the section of 'str' before
	+ * that character. Otherwise, returns NULL.
	+ *
	+ * Side Effects:
	+ * If 'match' is found, sets 'end' to begin at the matching character
	+ * in 'str'.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static char *
	+scan_to_unichar (const char *str,
	+ bson_unichar_t match,
	+ const char *terminators,
	+ const char **end)
	+{
	+ bson_unichar_t c;
	+ const char *iter;
	+
	+ for (iter = str; iter && *iter && (c = bson_utf8_get_char (iter));
	+ iter = bson_utf8_next_char (iter)) {
	+ if (c == match) {
	+ *end = iter;
	+ return bson_strndup (str, iter - str);
	+ } else if (c == '\\') {
	+ iter = bson_utf8_next_char (iter);
	+ if (!bson_utf8_get_char (iter)) {
	+ break;
	+ }
	+ } else {
	+ const char *term_iter;
	+ for (term_iter = terminators; *term_iter; term_iter++) {
	+ if (c == *term_iter) {
	+ return NULL;
	+ }
	+ }
	+ }
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * ends_with --
	+ *
	+ * Return true if str ends with suffix.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+static bool
	+ends_with (const char str, const char suffix)
	+{
	+ size_t str_len = strlen (str);
	+ size_t suffix_len = strlen (suffix);
	+ const char s1, s2;
	+
	+ if (str_len < suffix_len) {
	+ return false;
	+ }
	+
	+ /* start at the ends of both strings */
	+ s1 = str + str_len;
	+ s2 = suffix + suffix_len;
	+
	+ /* until either pointer reaches start of its string, compare the pointers */
	+ for (; s1 >= str && s2 >= suffix; s1--, s2--) {
	+ if (s1 != s2) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+
	+static bool
	+mongoc_uri_parse_scheme (mongoc_uri_t uri, const char str, const char **end)
	+{
	+ if (!strncmp (str, "mongodb+srv://", 14)) {
	+ uri->is_srv = true;
	+ *end = str + 14;
	+ return true;
	+ }
	+
	+ if (!strncmp (str, "mongodb://", 10)) {
	+ uri->is_srv = false;
	+ *end = str + 10;
	+ return true;
	+ }
	+
	+ return false;
	+}
	+
	+
	+static bool
	+mongoc_uri_has_unescaped_chars (const char str, const char chars)
	+{
	+ const char *c;
	+ const char *tmp;
	+ char *s;
	+
	+ for (c = chars; *c; c++) {
	+ s = scan_to_unichar (str, (bson_unichar_t) *c, "", &tmp);
	+ if (s) {
	+ bson_free (s);
	+ return true;
	+ }
	+ }
	+
	+ return false;
	+}
	+
	+
	+/* "str" is non-NULL, the part of URI between "mongodb://" and first "@" */
	+static bool
	+mongoc_uri_parse_userpass (mongoc_uri_t *uri,
	+ const char *str,
	+ bson_error_t *error)
	+{
	+ const char *prohibited = "@:/";
	+ const char *end_user;
	+
	+ BSON_ASSERT (str);
	+ BSON_ASSERT (uri);
	+
	+ if ((uri->username = scan_to_unichar (str, ':', "", &end_user))) {
	+ uri->password = bson_strdup (end_user + 1);
	+ } else {
	+ uri->username = bson_strdup (str);
	+ uri->password = NULL;
	+ }
	+
	+ if (mongoc_uri_has_unescaped_chars (uri->username, prohibited)) {
	+ MONGOC_URI_ERROR (error,
	+ "Username \"%s\" must not have unescaped chars. %s",
	+ uri->username,
	+ escape_instructions);
	+ return false;
	+ }
	+
	+ mongoc_uri_do_unescape (&uri->username);
	+ if (!uri->username) {
	+ MONGOC_URI_ERROR (
	+ error, "Incorrect URI escapes in username. %s", escape_instructions);
	+ return false;
	+ }
	+
	+ /* Providing password at all is optional */
	+ if (uri->password) {
	+ if (mongoc_uri_has_unescaped_chars (uri->password, prohibited)) {
	+ MONGOC_URI_ERROR (error,
	+ "Password \"%s\" must not have unescaped chars. %s",
	+ uri->password,
	+ escape_instructions);
	+ return false;
	+ }
	+
	+ mongoc_uri_do_unescape (&uri->password);
	+ if (!uri->password) {
	+ MONGOC_URI_ERROR (error, "%s", "Incorrect URI escapes in password");
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+mongoc_uri_parse_host (mongoc_uri_t uri, const char host_and_port_in)
	+{
	+ char *host_and_port = bson_strdup (host_and_port_in);
	+ bson_error_t err = {0};
	+ bool r;
	+
	+ /* unescape host. It doesn't hurt including port. */
	+ if (mongoc_uri_has_unescaped_chars (host_and_port, "/")) {
	+ MONGOC_WARNING ("Unix Domain Sockets must be escaped (e.g. / = %%2F)");
	+ bson_free (host_and_port);
	+ return false;
	+ }
	+
	+ mongoc_uri_do_unescape (&host_and_port);
	+ if (!host_and_port) {
	+ /* invalid */
	+ bson_free (host_and_port);
	+ return false;
	+ }
	+
	+ r = mongoc_uri_upsert_host_and_port (uri, host_and_port, &err);
	+
	+ if (!r) {
	+ MONGOC_ERROR ("%s", err.message);
	+ bson_free (host_and_port);
	+ return false;
	+ }
	+
	+ bson_free (host_and_port);
	+ return true;
	+}
	+
	+
	+bool
	+mongoc_uri_parse_srv (mongoc_uri_t uri, const char str)
	+{
	+ char *service;
	+
	+ if (*str == '\0') {
	+ return false;
	+ }
	+
	+ service = bson_strdup (str);
	+ mongoc_uri_do_unescape (&service);
	+ if (!service) {
	+ /* invalid */
	+ return false;
	+ }
	+
	+ if (!valid_hostname (service) \|\| count_dots (service) < 2) {
	+ bson_free (service);
	+ return false;
	+ }
	+
	+ bson_strncpy (uri->srv, service, sizeof uri->srv);
	+ bson_free (service);
	+
	+ if (strchr (uri->srv, ',') \|\| strchr (uri->srv, ':')) {
	+ /* prohibit port number or multiple service names */
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+/* "hosts" is non-NULL, the part between "mongodb://" or "@" and last "/" */
	+static bool
	+mongoc_uri_parse_hosts (mongoc_uri_t uri, const char hosts)
	+{
	+ const char *next;
	+ const char *end_hostport;
	+ char *s;
	+ BSON_ASSERT (hosts);
	+ /*
	+ * Parsing the series of hosts is a lot more complicated than you might
	+ * imagine. This is due to some characters being both separators as well as
	+ * valid characters within the "hostname". In particularly, we can have file
	+ * paths to specify paths to UNIX domain sockets. We impose the restriction
	+ * that they must be suffixed with ".sock" to simplify the parsing.
	+ *
	+ * You can separate hosts and file system paths to UNIX domain sockets with
	+ * ",".
	+ */
	+ s = scan_to_unichar (hosts, '?', "", &end_hostport);
	+ if (s) {
	+ MONGOC_WARNING (
	+ "%s", "A '/' is required between the host list and any options.");
	+ goto error;
	+ }
	+ next = hosts;
	+ do {
	+ /* makes a copy of the section of the string */
	+ s = scan_to_unichar (next, ',', "", &end_hostport);
	+ if (s) {
	+ next = (char *) end_hostport + 1;
	+ } else {
	+ s = bson_strdup (next);
	+ next = NULL;
	+ }
	+ if (!mongoc_uri_parse_host (uri, s)) {
	+ goto error;
	+ }
	+ bson_free (s);
	+ } while (next);
	+ return true;
	+error:
	+ bson_free (s);
	+ return false;
	+}
	+
	+/* -----------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_parse_database --
	+ *
	+ * Parse the database after @str. @str is expected to point after the
	+ * host list to the character immediately after the / in the uri string.
	+ * If no database is specified in the uri, e.g. the uri has a form like:
	+ * mongodb://localhost/?option=X then uri->database remains NULL after
	+ * parsing.
	+ *
	+ * Return:
	+ * True if the parsed database is valid. An empty database is considered
	+ * valid.
	+ * -----------------------------------------------------------------------------
	+ */
	+static bool
	+mongoc_uri_parse_database (mongoc_uri_t uri, const char str, const char **end)
	+{
	+ const char *end_database;
	+ const char *c;
	+ char *invalid_c;
	+ const char *tmp;
	+
	+ if ((uri->database = scan_to_unichar (str, '?', "", &end_database))) {
	+ if (strcmp (uri->database, "") == 0) {
	+ /* no database is found, don't store the empty string. */
	+ bson_free (uri->database);
	+ uri->database = NULL;
	+ /* but it is valid to have an empty database. */
	+ return true;
	+ }
	+ *end = end_database;
	+ } else if (*str) {
	+ uri->database = bson_strdup (str);
	+ *end = str + strlen (str);
	+ }
	+
	+ mongoc_uri_do_unescape (&uri->database);
	+ if (!uri->database) {
	+ /* invalid */
	+ return false;
	+ }
	+
	+ /* invalid characters in database name */
	+ for (c = "/\\. \"$"; *c; c++) {
	+ invalid_c =
	+ scan_to_unichar (uri->database, (bson_unichar_t) *c, "", &tmp);
	+ if (invalid_c) {
	+ bson_free (invalid_c);
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+
	+static bool
	+mongoc_uri_parse_auth_mechanism_properties (mongoc_uri_t uri, const char str)
	+{
	+ char *field;
	+ char *value;
	+ const char *end_scan;
	+ bson_t properties;
	+
	+ bson_init (&properties);
	+
	+ /* build up the properties document */
	+ while ((field = scan_to_unichar (str, ':', "&", &end_scan))) {
	+ str = end_scan + 1;
	+ if (!(value = scan_to_unichar (str, ',', ":&", &end_scan))) {
	+ value = bson_strdup (str);
	+ str = "";
	+ } else {
	+ str = end_scan + 1;
	+ }
	+ bson_append_utf8 (&properties, field, -1, value, -1);
	+ bson_free (field);
	+ bson_free (value);
	+ }
	+
	+ /* append our auth properties to our credentials */
	+ if (!mongoc_uri_set_mechanism_properties (uri, &properties)) {
	+ bson_destroy (&properties);
	+ return false;
	+ }
	+ bson_destroy (&properties);
	+ return true;
	+}
	+
	+
	+static bool
	+mongoc_uri_check_srv_service_name (mongoc_uri_t uri, const char str)
	+{
	+ /* 63 character DNS query limit, excluding prepended underscore. */
	+ const size_t mongoc_srv_service_name_max = 62u;
	+
	+ size_t length = 0u;
	+ size_t num_alpha = 0u;
	+ size_t i = 0u;
	+ char prev = '\0';
	+
	+ BSON_ASSERT_PARAM (uri);
	+ BSON_ASSERT_PARAM (str);
	+
	+ length = strlen (str);
	+
	+ /* Initial DNS Seedlist Discovery Spec: This option specifies a valid SRV
	+ * service name according to RFC 6335, with the exception that it may exceed
	+ * 15 characters as long as the 63rd (62nd with prepended underscore)
	+ * character DNS query limit is not surpassed. */
	+ if (length > mongoc_srv_service_name_max) {
	+ return false;
	+ }
	+
	+ /* RFC 6335: MUST be at least 1 character. */
	+ if (length == 0u) {
	+ return false;
	+ }
	+
	+ for (i = 0u; i < length; ++i) {
	+ const char c = str[i];
	+
	+ /* RFC 6335: MUST contain only US-ASCII letters 'A' - 'Z' and 'a' - 'z',
	+ * digits '0' - '9', and hyphens ('-', ASCII 0x2D or decimal 45). */
	+ if (!isalpha (c) && !isdigit (c) && c != '-') {
	+ return false;
	+ }
	+
	+ /* RFC 6335: hyphens MUST NOT be adjacent to other hyphens. */
	+ if (c == '-' && prev == '-') {
	+ return false;
	+ }
	+
	+ num_alpha += isalpha (c) ? 1u : 0u;
	+ prev = c;
	+ }
	+
	+ /* RFC 6335: MUST contain at least one letter ('A' - 'Z' or 'a' - 'z') */
	+ if (num_alpha == 0u) {
	+ return false;
	+ }
	+
	+ /* RFC 6335: MUST NOT begin or end with a hyphen. */
	+ if (str[0] == '-' \|\| str[length - 1u] == '-') {
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+static bool
	+mongoc_uri_parse_tags (mongoc_uri_t uri, / IN */
	+ const char str) / IN */
	+{
	+ const char *end_keyval;
	+ const char *end_key;
	+ bson_t b;
	+ char *keyval;
	+ char *key;
	+
	+ bson_init (&b);
	+
	+again:
	+ if ((keyval = scan_to_unichar (str, ',', "", &end_keyval))) {
	+ if (!(key = scan_to_unichar (keyval, ':', "", &end_key))) {
	+ bson_free (keyval);
	+ goto fail;
	+ }
	+
	+ bson_append_utf8 (&b, key, -1, end_key + 1, -1);
	+ bson_free (key);
	+ bson_free (keyval);
	+ str = end_keyval + 1;
	+ goto again;
	+ } else if ((key = scan_to_unichar (str, ':', "", &end_key))) {
	+ bson_append_utf8 (&b, key, -1, end_key + 1, -1);
	+ bson_free (key);
	+ } else if (strlen (str)) {
	+ /* we're not finished but we couldn't parse the string */
	+ goto fail;
	+ }
	+
	+ mongoc_read_prefs_add_tag (uri->read_prefs, &b);
	+ bson_destroy (&b);
	+
	+ return true;
	+
	+fail:
	+ MONGOC_WARNING ("Unsupported value for \"" MONGOC_URI_READPREFERENCETAGS
	+ "\": \"%s\"",
	+ str);
	+ bson_destroy (&b);
	+ return false;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_bson_append_or_replace_key --
	+ *
	+ *
	+ * Appends 'option' to the end of 'options' if not already set.
	+ *
	+ * Since we cannot grow utf8 strings inline, we have to allocate a
	+ * temporary bson variable and splice in the new value if the key
	+ * is already set.
	+ *
	+ * NOTE: This function keeps the order of the BSON keys.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static void
	+mongoc_uri_bson_append_or_replace_key (bson_t *options,
	+ const char *option,
	+ const char *value)
	+{
	+ bson_iter_t iter;
	+ bool found = false;
	+
	+ if (bson_iter_init (&iter, options)) {
	+ bson_t tmp = BSON_INITIALIZER;
	+
	+ while (bson_iter_next (&iter)) {
	+ const bson_value_t *bvalue;
	+
	+ if (!strcasecmp (bson_iter_key (&iter), option)) {
	+ bson_append_utf8 (&tmp, option, -1, value, -1);
	+ found = true;
	+ continue;
	+ }
	+
	+ bvalue = bson_iter_value (&iter);
	+ BSON_APPEND_VALUE (&tmp, bson_iter_key (&iter), bvalue);
	+ }
	+
	+ if (!found) {
	+ bson_append_utf8 (&tmp, option, -1, value, -1);
	+ }
	+
	+ bson_destroy (options);
	+ bson_copy_to (&tmp, options);
	+ bson_destroy (&tmp);
	+ }
	+}
	+
	+
	+bool
	+mongoc_uri_has_option (const mongoc_uri_t uri, const char key)
	+{
	+ bson_iter_t iter;
	+
	+ return bson_iter_init_find_case (&iter, &uri->options, key);
	+}
	+
	+bool
	+mongoc_uri_option_is_int32 (const char *key)
	+{
	+ return mongoc_uri_option_is_int64 (key) \|\|
	+ !strcasecmp (key, MONGOC_URI_CONNECTTIMEOUTMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_HEARTBEATFREQUENCYMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_SERVERSELECTIONTIMEOUTMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_SOCKETCHECKINTERVALMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_SOCKETTIMEOUTMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_LOCALTHRESHOLDMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_MAXPOOLSIZE) \|\|
	+ !strcasecmp (key, MONGOC_URI_MAXSTALENESSSECONDS) \|\|
	+ !strcasecmp (key, MONGOC_URI_MINPOOLSIZE) \|\|
	+ !strcasecmp (key, MONGOC_URI_MAXIDLETIMEMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_WAITQUEUEMULTIPLE) \|\|
	+ !strcasecmp (key, MONGOC_URI_WAITQUEUETIMEOUTMS) \|\|
	+ !strcasecmp (key, MONGOC_URI_ZLIBCOMPRESSIONLEVEL) \|\|
	+ !strcasecmp (key, MONGOC_URI_SRVMAXHOSTS);
	+}
	+
	+bool
	+mongoc_uri_option_is_int64 (const char *key)
	+{
	+ return !strcasecmp (key, MONGOC_URI_WTIMEOUTMS);
	+}
	+
	+bool
	+mongoc_uri_option_is_bool (const char *key)
	+{
	+ return !strcasecmp (key, MONGOC_URI_CANONICALIZEHOSTNAME) \|\|
	+ !strcasecmp (key, MONGOC_URI_DIRECTCONNECTION) \|\|
	+ !strcasecmp (key, MONGOC_URI_JOURNAL) \|\|
	+ !strcasecmp (key, MONGOC_URI_RETRYREADS) \|\|
	+ !strcasecmp (key, MONGOC_URI_RETRYWRITES) \|\|
	+ !strcasecmp (key, MONGOC_URI_SAFE) \|\|
	+ !strcasecmp (key, MONGOC_URI_SERVERSELECTIONTRYONCE) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLS) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSINSECURE) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	+ !strcasecmp (key, MONGOC_URI_LOADBALANCED) \|\|
	+ /* deprecated options */
	+ !strcasecmp (key, MONGOC_URI_SSL) \|\|
	+ !strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDCERTIFICATES) \|\|
	+ !strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDHOSTNAMES);
	+}
	+
	+bool
	+mongoc_uri_option_is_utf8 (const char *key)
	+{
	+ return !strcasecmp (key, MONGOC_URI_APPNAME) \|\|
	+ !strcasecmp (key, MONGOC_URI_REPLICASET) \|\|
	+ !strcasecmp (key, MONGOC_URI_READPREFERENCE) \|\|
	+ !strcasecmp (key, MONGOC_URI_SRVSERVICENAME) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSCERTIFICATEKEYFILE) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD) \|\|
	+ !strcasecmp (key, MONGOC_URI_TLSCAFILE) \|\|
	+ /* deprecated options */
	+ !strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYFILE) \|\|
	+ !strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYPASSWORD) \|\|
	+ !strcasecmp (key, MONGOC_URI_SSLCERTIFICATEAUTHORITYFILE);
	+}
	+
	+const char *
	+mongoc_uri_canonicalize_option (const char *key)
	+{
	+ if (!strcasecmp (key, MONGOC_URI_SSL)) {
	+ return MONGOC_URI_TLS;
	+ } else if (!strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYFILE)) {
	+ return MONGOC_URI_TLSCERTIFICATEKEYFILE;
	+ } else if (!strcasecmp (key, MONGOC_URI_SSLCLIENTCERTIFICATEKEYPASSWORD)) {
	+ return MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD;
	+ } else if (!strcasecmp (key, MONGOC_URI_SSLCERTIFICATEAUTHORITYFILE)) {
	+ return MONGOC_URI_TLSCAFILE;
	+ } else if (!strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDCERTIFICATES)) {
	+ return MONGOC_URI_TLSALLOWINVALIDCERTIFICATES;
	+ } else if (!strcasecmp (key, MONGOC_URI_SSLALLOWINVALIDHOSTNAMES)) {
	+ return MONGOC_URI_TLSALLOWINVALIDHOSTNAMES;
	+ } else {
	+ return key;
	+ }
	+}
	+
	+static bool
	+_mongoc_uri_parse_int64 (const char key, const char value, int64_t *result)
	+{
	+ char *endptr;
	+ int64_t i;
	+
	+ errno = 0;
	+ i = bson_ascii_strtoll (value, &endptr, 10);
	+ if (errno \|\| endptr < value + strlen (value)) {
	+ MONGOC_WARNING ("Invalid %s: cannot parse integer\n", key);
	+ return false;
	+ }
	+
	+ *result = i;
	+ return true;
	+}
	+
	+
	+static bool
	+mongoc_uri_parse_int32 (const char key, const char value, int32_t *result)
	+{
	+ int64_t i;
	+
	+ if (!_mongoc_uri_parse_int64 (key, value, &i)) {
	+ /* _mongoc_uri_parse_int64 emits a warning if it could not parse the
	+ * given value, so we don't have to add one here.
	+ */
	+ return false;
	+ }
	+
	+ if (i > INT32_MAX \|\| i < INT32_MIN) {
	+ MONGOC_WARNING ("Invalid %s: cannot fit in int32\n", key);
	+ return false;
	+ }
	+
	+ *result = (int32_t) i;
	+ return true;
	+}
	+
	+
	+static bool
	+dns_option_allowed (const char *lkey)
	+{
	+ /* Initial DNS Seedlist Discovery Spec: "A Client MUST only support the
	+ * authSource, replicaSet, and loadBalanced options through a TXT record, and
	+ * MUST raise an error if any other option is encountered."
	+ */
	+ return !strcmp (lkey, MONGOC_URI_AUTHSOURCE) \|\|
	+ !strcmp (lkey, MONGOC_URI_REPLICASET) \|\|
	+ !strcmp (lkey, MONGOC_URI_LOADBALANCED);
	+}
	+
	+
	+/* Decompose a key=val pair and place them into a document.
	+ * Includes case-folding for key portion.
	+ */
	+static bool
	+mongoc_uri_split_option (mongoc_uri_t *uri,
	+ bson_t *options,
	+ const char *str,
	+ bool from_dns,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ const char *end_key;
	+ char *key = NULL;
	+ char *lkey = NULL;
	+ char *value = NULL;
	+ const char *opt;
	+ char *opt_end;
	+ size_t opt_len;
	+ bool ret = false;
	+
	+ if (!(key = scan_to_unichar (str, '=', "", &end_key))) {
	+ MONGOC_URI_ERROR (error, "URI option \"%s\" contains no \"=\" sign", str);
	+ goto CLEANUP;
	+ }
	+
	+ value = bson_strdup (end_key + 1);
	+ mongoc_uri_do_unescape (&value);
	+ if (!value) {
	+ /* do_unescape detected invalid UTF-8 and freed value */
	+ MONGOC_URI_ERROR (
	+ error, "Value for URI option \"%s\" contains invalid UTF-8", key);
	+ goto CLEANUP;
	+ }
	+
	+ lkey = bson_strdup (key);
	+ mongoc_lowercase (key, lkey);
	+
	+ /* Initial DNS Seedlist Discovery Spec: "A Client MUST only support the
	+ * authSource, replicaSet, and loadBalanced options through a TXT record, and
	+ * MUST raise an error if any other option is encountered."*/
	+ if (from_dns && !dns_option_allowed (lkey)) {
	+ MONGOC_URI_ERROR (
	+ error, "URI option \"%s\" prohibited in TXT record", key);
	+ goto CLEANUP;
	+ }
	+
	+ /* Special case: READPREFERENCETAGS is a composing option.
	+ * Multiple instances should append, not overwrite.
	+ * Encode them directly to the options field,
	+ * bypassing canonicalization and duplicate checks.
	+ */
	+ if (!strcmp (lkey, MONGOC_URI_READPREFERENCETAGS)) {
	+ if (!mongoc_uri_parse_tags (uri, value)) {
	+ MONGOC_URI_ERROR (
	+ error, "Unsupported value for \"%s\": \"%s\"", key, value);
	+ goto CLEANUP;
	+ }
	+ } else if (bson_iter_init_find (&iter, &uri->raw, lkey) \|\|
	+ bson_iter_init_find (&iter, options, lkey)) {
	+ /* Special case, MONGOC_URI_W == "any non-int" is not overridden
	+ * by later values.
	+ */
	+ if (!strcmp (lkey, MONGOC_URI_W) &&
	+ (opt = bson_iter_utf8_unsafe (&iter, &opt_len))) {
	+ strtol (opt, &opt_end, 10);
	+ if (*opt_end != '\0') {
	+ ret = true;
	+ goto CLEANUP;
	+ }
	+ }
	+
	+ /* Initial DNS Seedlist Discovery Spec: "Client MUST use options
	+ * specified in the Connection String to override options provided
	+ * through TXT records." So, do NOT override existing options with TXT
	+ * options. */
	+ if (from_dns) {
	+ MONGOC_WARNING (
	+ "Cannot override URI option \"%s\" from TXT record \"%s\"",
	+ key,
	+ str);
	+ ret = true;
	+ goto CLEANUP;
	+ }
	+ MONGOC_WARNING ("Overwriting previously provided value for '%s'", key);
	+ }
	+
	+ if (!(strcmp (lkey, MONGOC_URI_REPLICASET)) && *value == '\0') {
	+ MONGOC_URI_ERROR (
	+ error, "Value for URI option \"%s\" cannot be empty string", lkey);
	+ goto CLEANUP;
	+ }
	+
	+ mongoc_uri_bson_append_or_replace_key (options, lkey, value);
	+ ret = true;
	+
	+CLEANUP:
	+ bson_free (key);
	+ bson_free (lkey);
	+ bson_free (value);
	+
	+ return ret;
	+}
	+
	+
	+/* Check for canonical/deprecated conflicts
	+ * between the option list a, and b.
	+ * If both names exist either way with differing values, error.
	+ */
	+static bool
	+mongoc_uri_options_validate_names (const bson_t *a,
	+ const bson_t *b,
	+ bson_error_t *error)
	+{
	+ bson_iter_t key_iter, canon_iter;
	+ const char *key = NULL;
	+ const char *canon = NULL;
	+ const char *value = NULL;
	+ const char *cval = NULL;
	+ size_t value_len = 0;
	+ size_t cval_len = 0;
	+
	+ /* Scan `a` looking for deprecated names
	+ * where the canonical name was also used in `a`,
	+ * or was used in `b`. */
	+ bson_iter_init (&key_iter, a);
	+ while (bson_iter_next (&key_iter)) {
	+ key = bson_iter_key (&key_iter);
	+ value = bson_iter_utf8_unsafe (&key_iter, &value_len);
	+ canon = mongoc_uri_canonicalize_option (key);
	+
	+ if (key == canon) {
	+ /* Canonical form, no point checking `b`. */
	+ continue;
	+ }
	+
	+ /* Check for a conflict in `a`. */
	+ if (bson_iter_init_find (&canon_iter, a, canon)) {
	+ cval = bson_iter_utf8_unsafe (&canon_iter, &cval_len);
	+ if ((value_len != cval_len) \|\| strcmp (value, cval)) {
	+ goto HANDLE_CONFLICT;
	+ }
	+ }
	+
	+ /* Check for a conflict in `b`. */
	+ if (bson_iter_init_find (&canon_iter, b, canon)) {
	+ cval = bson_iter_utf8_unsafe (&canon_iter, &cval_len);
	+ if ((value_len != cval_len) \|\| strcmp (value, cval)) {
	+ goto HANDLE_CONFLICT;
	+ }
	+ }
	+ }
	+
	+ return true;
	+
	+HANDLE_CONFLICT:
	+ MONGOC_URI_ERROR (error,
	+ "Deprecated option '%s=%s' conflicts with "
	+ "canonical name '%s=%s'",
	+ key,
	+ value,
	+ canon,
	+ cval);
	+
	+ return false;
	+}
	+
	+
	+#define HANDLE_DUPE() \
	+ if (from_dns) { \
	+ MONGOC_WARNING ("Cannot override URI option \"%s\" from TXT record", \
	+ key); \
	+ continue; \
	+ } else { \
	+ MONGOC_WARNING ("Overwriting previously provided value for '%s'", key); \
	+ }
	+
	+static bool
	+mongoc_uri_apply_options (mongoc_uri_t *uri,
	+ const bson_t *options,
	+ bool from_dns,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+ int32_t v_int;
	+ int64_t v_int64;
	+ const char *key = NULL;
	+ const char *canon = NULL;
	+ const char *value = NULL;
	+ size_t value_len;
	+ bool bval;
	+
	+ bson_iter_init (&iter, options);
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+ canon = mongoc_uri_canonicalize_option (key);
	+ value = bson_iter_utf8_unsafe (&iter, &value_len);
	+
	+ /* Keep a record of how the option was originally presented. */
	+ mongoc_uri_bson_append_or_replace_key (&uri->raw, key, value);
	+
	+ /* This check precedes mongoc_uri_option_is_int32 as all 64-bit values are
	+ * also recognised as 32-bit ints.
	+ */
	+ if (mongoc_uri_option_is_int64 (key)) {
	+ if (0 < strlen (value)) {
	+ if (!_mongoc_uri_parse_int64 (key, value, &v_int64)) {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+
	+ if (!_mongoc_uri_set_option_as_int64_with_error (
	+ uri, canon, v_int64, error)) {
	+ return false;
	+ }
	+ } else {
	+ MONGOC_WARNING ("Empty value provided for \"%s\"", key);
	+ }
	+ } else if (mongoc_uri_option_is_int32 (key)) {
	+ if (0 < strlen (value)) {
	+ if (!mongoc_uri_parse_int32 (key, value, &v_int)) {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+
	+ if (!_mongoc_uri_set_option_as_int32_with_error (
	+ uri, canon, v_int, error)) {
	+ return false;
	+ }
	+ } else {
	+ MONGOC_WARNING ("Empty value provided for \"%s\"", key);
	+ }
	+ } else if (!strcmp (key, MONGOC_URI_W)) {
	+ if (value == '-' \|\| isdigit (value)) {
	+ v_int = (int) strtol (value, NULL, 10);
	+ _mongoc_uri_set_option_as_int32 (uri, MONGOC_URI_W, v_int);
	+ } else if (0 == strcasecmp (value, "majority")) {
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->options, MONGOC_URI_W, "majority");
	+ } else if (*value) {
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->options, MONGOC_URI_W, value);
	+ }
	+
	+ } else if (mongoc_uri_option_is_bool (key)) {
	+ if (0 < strlen (value)) {
	+ if (0 == strcasecmp (value, "true")) {
	+ bval = true;
	+ } else if (0 == strcasecmp (value, "false")) {
	+ bval = false;
	+ } else if ((0 == strcmp (value, "1")) \|\|
	+ (0 == strcasecmp (value, "yes")) \|\|
	+ (0 == strcasecmp (value, "y")) \|\|
	+ (0 == strcasecmp (value, "t"))) {
	+ MONGOC_WARNING ("Deprecated boolean value for \"%s\": \"%s\", "
	+ "please update to \"%s=true\"",
	+ key,
	+ value,
	+ key);
	+ bval = true;
	+ } else if ((0 == strcasecmp (value, "0")) \|\|
	+ (0 == strcasecmp (value, "-1")) \|\|
	+ (0 == strcmp (value, "no")) \|\|
	+ (0 == strcmp (value, "n")) \|\|
	+ (0 == strcmp (value, "f"))) {
	+ MONGOC_WARNING ("Deprecated boolean value for \"%s\": \"%s\", "
	+ "please update to \"%s=false\"",
	+ key,
	+ value,
	+ key);
	+ bval = false;
	+ } else {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+
	+ if (!mongoc_uri_set_option_as_bool (uri, canon, bval)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Failed to set %s to %d",
	+ canon,
	+ bval);
	+ return false;
	+ }
	+ } else {
	+ MONGOC_WARNING ("Empty value provided for \"%s\"", key);
	+ }
	+
	+ } else if (!strcmp (key, MONGOC_URI_READPREFERENCETAGS)) {
	+ /* Skip this option here.
	+ * It was marshalled during mongoc_uri_split_option()
	+ * as a special case composing option.
	+ */
	+
	+ } else if (!strcmp (key, MONGOC_URI_AUTHMECHANISM) \|\|
	+ !strcmp (key, MONGOC_URI_AUTHSOURCE)) {
	+ if (bson_has_field (&uri->credentials, key)) {
	+ HANDLE_DUPE ();
	+ }
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->credentials, canon, value);
	+
	+ } else if (!strcmp (key, MONGOC_URI_READCONCERNLEVEL)) {
	+ if (!mongoc_read_concern_is_default (uri->read_concern)) {
	+ HANDLE_DUPE ();
	+ }
	+ mongoc_read_concern_set_level (uri->read_concern, value);
	+
	+ } else if (!strcmp (key, MONGOC_URI_GSSAPISERVICENAME)) {
	+ char *tmp = bson_strdup_printf ("SERVICE_NAME:%s", value);
	+ if (bson_has_field (&uri->credentials,
	+ MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	+ MONGOC_WARNING ("authMechanismProperties SERVICE_NAME already set, "
	+ "ignoring '%s'",
	+ key);
	+ } else if (!mongoc_uri_parse_auth_mechanism_properties (uri, tmp)) {
	+ bson_free (tmp);
	+ goto UNSUPPORTED_VALUE;
	+ }
	+ bson_free (tmp);
	+
	+ } else if (!strcmp (key, MONGOC_URI_SRVSERVICENAME)) {
	+ if (!mongoc_uri_check_srv_service_name (uri, value)) {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+ mongoc_uri_bson_append_or_replace_key (&uri->options, canon, value);
	+
	+ } else if (!strcmp (key, MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	+ if (bson_has_field (&uri->credentials, key)) {
	+ HANDLE_DUPE ();
	+ }
	+ if (!mongoc_uri_parse_auth_mechanism_properties (uri, value)) {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+
	+ } else if (!strcmp (key, MONGOC_URI_APPNAME)) {
	+ /* Part of uri->options */
	+ if (!mongoc_uri_set_appname (uri, value)) {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+
	+ } else if (!strcmp (key, MONGOC_URI_COMPRESSORS)) {
	+ if (!bson_empty (mongoc_uri_get_compressors (uri))) {
	+ HANDLE_DUPE ();
	+ }
	+ if (!mongoc_uri_set_compressors (uri, value)) {
	+ goto UNSUPPORTED_VALUE;
	+ }
	+
	+ } else if (mongoc_uri_option_is_utf8 (key)) {
	+ mongoc_uri_bson_append_or_replace_key (&uri->options, canon, value);
	+
	+ } else {
	+ /*
	+ * Keys that aren't supported by a driver MUST be ignored.
	+ *
	+ * A WARN level logging message MUST be issued
	+ * https://github.com/mongodb/specifications/blob/master/source/connection-string/connection-string-spec.rst#keys
	+ */
	+ MONGOC_WARNING ("Unsupported URI option \"%s\"", key);
	+ }
	+ }
	+
	+ return true;
	+
	+UNSUPPORTED_VALUE:
	+ MONGOC_URI_ERROR (error, "Unsupported value for \"%s\": \"%s\"", key, value);
	+
	+ return false;
	+}
	+
	+
	+/* Processes a query string formatted set of driver options
	+ * (i.e. tls=true&connectTimeoutMS=250 ) into a BSON dict of values.
	+ * uri->raw is initially populated with the raw split of key/value pairs,
	+ * then the keys are canonicalized and the values coerced
	+ * to their appropriate type and stored in uri->options.
	+ */
	+bool
	+mongoc_uri_parse_options (mongoc_uri_t *uri,
	+ const char *str,
	+ bool from_dns,
	+ bson_error_t *error)
	+{
	+ bson_t options;
	+ const char *end_option;
	+ char *option;
	+
	+ bson_init (&options);
	+ while ((option = scan_to_unichar (str, '&', "", &end_option))) {
	+ if (!mongoc_uri_split_option (uri, &options, option, from_dns, error)) {
	+ bson_free (option);
	+ bson_destroy (&options);
	+ return false;
	+ }
	+ bson_free (option);
	+ str = end_option + 1;
	+ }
	+
	+ if (*str && !mongoc_uri_split_option (uri, &options, str, from_dns, error)) {
	+ bson_destroy (&options);
	+ return false;
	+ }
	+
	+ /* Walk both sides of this map to handle each ordering:
	+ * deprecated first canonical later, and vice-versa.
	+ * Then finalize parse by writing final values to uri->options.
	+ */
	+ if (!mongoc_uri_options_validate_names (&uri->options, &options, error) \|\|
	+ !mongoc_uri_options_validate_names (&options, &uri->options, error) \|\|
	+ !mongoc_uri_apply_options (uri, &options, from_dns, error)) {
	+ bson_destroy (&options);
	+ return false;
	+ }
	+
	+ bson_destroy (&options);
	+ return true;
	+}
	+
	+
	+static bool
	+mongoc_uri_finalize_tls (mongoc_uri_t uri, bson_error_t error)
	+{
	+ /* Initial DNS Seedlist Discovery Spec: "If mongodb+srv is used, a driver
	+ * MUST implicitly also enable TLS." */
	+ if (uri->is_srv && !bson_has_field (&uri->options, MONGOC_URI_TLS)) {
	+ mongoc_uri_set_option_as_bool (uri, MONGOC_URI_TLS, true);
	+ }
	+
	+ /* tlsInsecure implies tlsAllowInvalidCertificates, tlsAllowInvalidHostnames,
	+ * tlsDisableOCSPEndpointCheck, and tlsDisableCertificateRevocationCheck, so
	+ * consider it an error to have both. The user might have the wrong idea. */
	+ if (bson_has_field (&uri->options, MONGOC_URI_TLSINSECURE) &&
	+ (bson_has_field (&uri->options,
	+ MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	+ bson_has_field (&uri->options, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	+ bson_has_field (&uri->options,
	+ MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	+ bson_has_field (&uri->options,
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK))) {
	+ MONGOC_URI_ERROR (error,
	+ "%s may not be specified with %s, %s, %s, or %s",
	+ MONGOC_URI_TLSINSECURE,
	+ MONGOC_URI_TLSALLOWINVALIDCERTIFICATES,
	+ MONGOC_URI_TLSALLOWINVALIDHOSTNAMES,
	+ MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK,
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK);
	+ return false;
	+ }
	+
	+ /* tlsAllowInvalidCertificates implies tlsDisableOCSPEndpointCheck and
	+ * tlsDisableCertificateRevocationCheck, so consider it an error to have
	+ * both. The user might have the wrong idea. */
	+ if (bson_has_field (&uri->options, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) &&
	+ (bson_has_field (&uri->options,
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK) \|\|
	+ bson_has_field (&uri->options,
	+ MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK))) {
	+ MONGOC_URI_ERROR (error,
	+ "%s may not be specified with %s or %s",
	+ MONGOC_URI_TLSALLOWINVALIDCERTIFICATES,
	+ MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK,
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK);
	+ return false;
	+ }
	+
	+ /* tlsDisableCertificateRevocationCheck implies tlsDisableOCSPEndpointCheck,
	+ * so consider it an error to have both. The user might have the wrong idea.
	+ */
	+ if (bson_has_field (&uri->options,
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK) &&
	+ bson_has_field (&uri->options, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK)) {
	+ MONGOC_URI_ERROR (error,
	+ "%s may not be specified with %s",
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK,
	+ MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+static bool
	+mongoc_uri_finalize_auth (mongoc_uri_t uri, bson_error_t error)
	+{
	+ bson_iter_t iter;
	+ const char *source = NULL;
	+ const bool require_auth = uri->username != NULL;
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->credentials, MONGOC_URI_AUTHSOURCE)) {
	+ source = bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ if (mongoc_uri_get_auth_mechanism (uri)) {
	+ /* authSource with GSSAPI or X509 should always be external */
	+ if (!strcasecmp (mongoc_uri_get_auth_mechanism (uri), "GSSAPI") \|\|
	+ !strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-X509")) {
	+ if (source) {
	+ if (strcasecmp (source, "$external")) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "%s",
	+ "GSSAPI and X509 require \"$external\" authSource");
	+ return false;
	+ }
	+ } else {
	+ bson_append_utf8 (
	+ &uri->credentials, MONGOC_URI_AUTHSOURCE, -1, "$external", -1);
	+ }
	+ }
	+ /* MONGODB-X509 and MONGODB-AWS are the only mechanisms that don't require
	+ * username */
	+ if (!(strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-X509") ==
	+ 0 \|\|
	+ strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-AWS") ==
	+ 0)) {
	+ if (!mongoc_uri_get_username (uri) \|\|
	+ strcmp (mongoc_uri_get_username (uri), "") == 0) {
	+ MONGOC_URI_ERROR (error,
	+ "'%s' authentication mechanism requires username",
	+ mongoc_uri_get_auth_mechanism (uri));
	+ return false;
	+ }
	+ }
	+ /* MONGODB-X509 errors if a password is supplied. */
	+ if (strcasecmp (mongoc_uri_get_auth_mechanism (uri), "MONGODB-X509") ==
	+ 0) {
	+ if (mongoc_uri_get_password (uri)) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "'%s' authentication mechanism does not accept a password",
	+ mongoc_uri_get_auth_mechanism (uri));
	+ return false;
	+ }
	+ }
	+ /* GSSAPI uses 'mongodb' as the default service name */
	+ if (strcasecmp (mongoc_uri_get_auth_mechanism (uri), "GSSAPI") == 0 &&
	+ !(bson_iter_init_find (
	+ &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES) &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter) &&
	+ bson_iter_recurse (&iter, &iter) &&
	+ bson_iter_find_case (&iter, "SERVICE_NAME"))) {
	+ bson_t tmp;
	+ bson_t *props = NULL;
	+
	+ props = mongoc_uri_get_mechanism_properties (uri, &tmp)
	+ ? bson_copy (&tmp)
	+ : bson_new ();
	+
	+ BSON_APPEND_UTF8 (props, "SERVICE_NAME", "mongodb");
	+ mongoc_uri_set_mechanism_properties (uri, props);
	+
	+ bson_destroy (props);
	+ }
	+
	+ } else if (require_auth) /* Default auth mechanism is used */ {
	+ if (!mongoc_uri_get_username (uri) \|\|
	+ strcmp (mongoc_uri_get_username (uri), "") == 0) {
	+ MONGOC_URI_ERROR (
	+ error, "%s", "Default authentication mechanism requires username");
	+ return false;
	+ }
	+ }
	+ return true;
	+}
	+
	+static bool
	+mongoc_uri_finalize_directconnection (mongoc_uri_t uri, bson_error_t error)
	+{
	+ bool directconnection = false;
	+
	+ directconnection =
	+ mongoc_uri_get_option_as_bool (uri, MONGOC_URI_DIRECTCONNECTION, false);
	+ if (!directconnection) {
	+ return true;
	+ }
	+
	+ /* URI options spec: "The driver MUST report an error if the
	+ * directConnection=true URI option is specified with an SRV URI, because
	+ * the URI may resolve to multiple hosts. The driver MUST allow specifying
	+ * directConnection=false URI option with an SRV URI." */
	+ if (uri->is_srv) {
	+ MONGOC_URI_ERROR (
	+ error, "%s", "SRV URI not allowed with directConnection option");
	+ return false;
	+ }
	+
	+ /* URI options spec: "The driver MUST report an error if the
	+ * directConnection=true URI option is specified with multiple seeds." */
	+ if (uri->hosts && uri->hosts->next) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "%s",
	+ "Multiple seeds not allowed with directConnection option");
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+static bool
	+mongoc_uri_parse_before_slash (mongoc_uri_t *uri,
	+ const char *before_slash,
	+ bson_error_t *error)
	+{
	+ char *userpass;
	+ const char *hosts;
	+
	+ userpass = scan_to_unichar (before_slash, '@', "", &hosts);
	+ if (userpass) {
	+ if (!mongoc_uri_parse_userpass (uri, userpass, error)) {
	+ goto error;
	+ }
	+
	+ hosts++; /* advance past "@" */
	+ if (*hosts == '@') {
	+ /* special case: "mongodb://alice@@localhost" */
	+ MONGOC_URI_ERROR (
	+ error, "Invalid username or password. %s", escape_instructions);
	+ goto error;
	+ }
	+ } else {
	+ hosts = before_slash;
	+ }
	+
	+ if (uri->is_srv) {
	+ if (!mongoc_uri_parse_srv (uri, hosts)) {
	+ MONGOC_URI_ERROR (error, "%s", "Invalid service name in URI");
	+ goto error;
	+ }
	+ } else {
	+ if (!mongoc_uri_parse_hosts (uri, hosts)) {
	+ MONGOC_URI_ERROR (error, "%s", "Invalid host string in URI");
	+ goto error;
	+ }
	+ }
	+
	+ bson_free (userpass);
	+ return true;
	+
	+error:
	+ bson_free (userpass);
	+ return false;
	+}
	+
	+
	+static bool
	+mongoc_uri_parse (mongoc_uri_t uri, const char str, bson_error_t *error)
	+{
	+ char *before_slash = NULL;
	+ const char *tmp;
	+
	+ if (!bson_utf8_validate (str, strlen (str), false /* allow_null */)) {
	+ MONGOC_URI_ERROR (error, "%s", "Invalid UTF-8 in URI");
	+ goto error;
	+ }
	+
	+ if (!mongoc_uri_parse_scheme (uri, str, &str)) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "%s",
	+ "Invalid URI Schema, expecting 'mongodb://' or 'mongodb+srv://'");
	+ goto error;
	+ }
	+
	+ before_slash = scan_to_unichar (str, '/', "", &tmp);
	+ if (!before_slash) {
	+ before_slash = bson_strdup (str);
	+ str += strlen (before_slash);
	+ } else {
	+ str = tmp;
	+ }
	+
	+ if (!mongoc_uri_parse_before_slash (uri, before_slash, error)) {
	+ goto error;
	+ }
	+
	+ if (*str) {
	+ if (*str == '/') {
	+ str++;
	+ if (*str) {
	+ if (!mongoc_uri_parse_database (uri, str, &str)) {
	+ MONGOC_URI_ERROR (error, "%s", "Invalid database name in URI");
	+ goto error;
	+ }
	+ }
	+
	+ if (*str == '?') {
	+ str++;
	+ if (*str) {
	+ if (!mongoc_uri_parse_options (
	+ uri, str, false /* from DNS */, error)) {
	+ goto error;
	+ }
	+ }
	+ }
	+ } else {
	+ MONGOC_URI_ERROR (error, "%s", "Expected end of hostname delimiter");
	+ goto error;
	+ }
	+ }
	+
	+ if (!mongoc_uri_finalize (uri, error)) {
	+ goto error;
	+ }
	+
	+ bson_free (before_slash);
	+ return true;
	+
	+error:
	+ bson_free (before_slash);
	+ return false;
	+}
	+
	+
	+const mongoc_host_list_t *
	+mongoc_uri_get_hosts (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return uri->hosts;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_replica_set (const mongoc_uri_t *uri)
	+{
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT (uri);
	+
	+ if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_REPLICASET) &&
	+ BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ return bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+const bson_t *
	+mongoc_uri_get_credentials (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return &uri->credentials;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_auth_mechanism (const mongoc_uri_t *uri)
	+{
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT (uri);
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISM) &&
	+ BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ return bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+bool
	+mongoc_uri_set_auth_mechanism (mongoc_uri_t uri, const char value)
	+{
	+ size_t len;
	+
	+ BSON_ASSERT (value);
	+
	+ len = strlen (value);
	+
	+ if (!bson_utf8_validate (value, len, false)) {
	+ return false;
	+ }
	+
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->credentials, MONGOC_URI_AUTHMECHANISM, value);
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongoc_uri_get_mechanism_properties (const mongoc_uri_t *uri,
	+ bson_t properties / OUT */)
	+{
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (properties);
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES) &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ uint32_t len = 0;
	+ const uint8_t *data = NULL;
	+
	+ bson_iter_document (&iter, &len, &data);
	+ BSON_ASSERT (bson_init_static (properties, data, len));
	+
	+ return true;
	+ }
	+
	+ return false;
	+}
	+
	+
	+bool
	+mongoc_uri_set_mechanism_properties (mongoc_uri_t *uri,
	+ const bson_t *properties)
	+{
	+ bson_iter_t iter;
	+ bson_t tmp = BSON_INITIALIZER;
	+ bool r;
	+
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (properties);
	+
	+ if (bson_iter_init_find (
	+ &iter, &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	+ /* copy all elements to tmp besides authMechanismProperties */
	+ bson_copy_to_excluding_noinit (&uri->credentials,
	+ &tmp,
	+ MONGOC_URI_AUTHMECHANISMPROPERTIES,
	+ (char *) NULL);
	+
	+ r = BSON_APPEND_DOCUMENT (
	+ &tmp, MONGOC_URI_AUTHMECHANISMPROPERTIES, properties);
	+ if (!r) {
	+ bson_destroy (&tmp);
	+ return false;
	+ }
	+
	+ bson_destroy (&uri->credentials);
	+ bson_copy_to (&tmp, &uri->credentials);
	+ bson_destroy (&tmp);
	+
	+ return true;
	+ } else {
	+ bson_destroy (&tmp);
	+ return BSON_APPEND_DOCUMENT (
	+ &uri->credentials, MONGOC_URI_AUTHMECHANISMPROPERTIES, properties);
	+ }
	+}
	+
	+
	+static bool
	+_mongoc_uri_assign_read_prefs_mode (mongoc_uri_t uri, bson_error_t error)
	+{
	+ const char *str;
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT (uri);
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_READPREFERENCE) &&
	+ BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ str = bson_iter_utf8 (&iter, NULL);
	+
	+ if (0 == strcasecmp ("primary", str)) {
	+ mongoc_read_prefs_set_mode (uri->read_prefs, MONGOC_READ_PRIMARY);
	+ } else if (0 == strcasecmp ("primarypreferred", str)) {
	+ mongoc_read_prefs_set_mode (uri->read_prefs,
	+ MONGOC_READ_PRIMARY_PREFERRED);
	+ } else if (0 == strcasecmp ("secondary", str)) {
	+ mongoc_read_prefs_set_mode (uri->read_prefs, MONGOC_READ_SECONDARY);
	+ } else if (0 == strcasecmp ("secondarypreferred", str)) {
	+ mongoc_read_prefs_set_mode (uri->read_prefs,
	+ MONGOC_READ_SECONDARY_PREFERRED);
	+ } else if (0 == strcasecmp ("nearest", str)) {
	+ mongoc_read_prefs_set_mode (uri->read_prefs, MONGOC_READ_NEAREST);
	+ } else {
	+ MONGOC_URI_ERROR (
	+ error, "Unsupported readPreference value [readPreference=%s]", str);
	+ return false;
	+ }
	+ }
	+ return true;
	+}
	+
	+
	+static bool
	+_mongoc_uri_build_write_concern (mongoc_uri_t uri, bson_error_t error)
	+{
	+ mongoc_write_concern_t *write_concern;
	+ const char *str;
	+ bson_iter_t iter;
	+ int64_t wtimeoutms;
	+ int value;
	+
	+ BSON_ASSERT (uri);
	+
	+ write_concern = mongoc_write_concern_new ();
	+ uri->write_concern = write_concern;
	+
	+ if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_SAFE) &&
	+ BSON_ITER_HOLDS_BOOL (&iter)) {
	+ mongoc_write_concern_set_w (
	+ write_concern,
	+ bson_iter_bool (&iter) ? 1 : MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED);
	+ }
	+
	+ wtimeoutms = mongoc_uri_get_option_as_int64 (uri, MONGOC_URI_WTIMEOUTMS, 0);
	+ if (wtimeoutms < 0) {
	+ MONGOC_URI_ERROR (
	+ error, "Unsupported wtimeoutMS value [w=%" PRId64 "]", wtimeoutms);
	+ return false;
	+ } else if (wtimeoutms > 0) {
	+ mongoc_write_concern_set_wtimeout_int64 (write_concern, wtimeoutms);
	+ }
	+
	+ if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_JOURNAL) &&
	+ BSON_ITER_HOLDS_BOOL (&iter)) {
	+ mongoc_write_concern_set_journal (write_concern, bson_iter_bool (&iter));
	+ }
	+
	+ if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_W)) {
	+ if (BSON_ITER_HOLDS_INT32 (&iter)) {
	+ value = bson_iter_int32 (&iter);
	+
	+ switch (value) {
	+ case MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED:
	+ case MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED:
	+ if (mongoc_write_concern_get_journal (write_concern)) {
	+ MONGOC_URI_ERROR (
	+ error, "Journal conflicts with w value [w=%d]", value);
	+ return false;
	+ }
	+ mongoc_write_concern_set_w (write_concern, value);
	+ break;
	+ default:
	+ if (value > 0) {
	+ mongoc_write_concern_set_w (write_concern, value);
	+ break;
	+ }
	+ MONGOC_URI_ERROR (error, "Unsupported w value [w=%d]", value);
	+ return false;
	+ }
	+ } else if (BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ str = bson_iter_utf8 (&iter, NULL);
	+
	+ if (0 == strcasecmp ("majority", str)) {
	+ mongoc_write_concern_set_w (write_concern,
	+ MONGOC_WRITE_CONCERN_W_MAJORITY);
	+ } else {
	+ mongoc_write_concern_set_wtag (write_concern, str);
	+ }
	+ } else {
	+ BSON_ASSERT (false);
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+/* can't use mongoc_uri_get_option_as_int32, it treats 0 specially */
	+static int32_t
	+_mongoc_uri_get_max_staleness_option (const mongoc_uri_t *uri)
	+{
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ int32_t retval = MONGOC_NO_MAX_STALENESS;
	+
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (
	+ &iter, options, MONGOC_URI_MAXSTALENESSSECONDS) &&
	+ BSON_ITER_HOLDS_INT32 (&iter)) {
	+ retval = bson_iter_int32 (&iter);
	+ if (retval == 0) {
	+ MONGOC_WARNING (
	+ "Unsupported value for \"" MONGOC_URI_MAXSTALENESSSECONDS
	+ "\": \"%d\"",
	+ retval);
	+ retval = -1;
	+ } else if (retval < 0 && retval != -1) {
	+ MONGOC_WARNING (
	+ "Unsupported value for \"" MONGOC_URI_MAXSTALENESSSECONDS
	+ "\": \"%d\"",
	+ retval);
	+ retval = MONGOC_NO_MAX_STALENESS;
	+ }
	+ }
	+
	+ return retval;
	+}
	+
	+mongoc_uri_t *
	+mongoc_uri_new_with_error (const char uri_string, bson_error_t error)
	+{
	+ mongoc_uri_t *uri;
	+ int32_t max_staleness_seconds;
	+
	+ uri = (mongoc_uri_t ) bson_malloc0 (sizeof uri);
	+ bson_init (&uri->raw);
	+ bson_init (&uri->options);
	+ bson_init (&uri->credentials);
	+ bson_init (&uri->compressors);
	+
	+ /* Initialize read_prefs, since parsing may add to it */
	+ uri->read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);
	+
	+ /* Initialize empty read_concern */
	+ uri->read_concern = mongoc_read_concern_new ();
	+
	+ if (!uri_string) {
	+ uri_string = "mongodb://127.0.0.1/";
	+ }
	+
	+ if (!mongoc_uri_parse (uri, uri_string, error)) {
	+ mongoc_uri_destroy (uri);
	+ return NULL;
	+ }
	+
	+ uri->str = bson_strdup (uri_string);
	+
	+ if (!_mongoc_uri_assign_read_prefs_mode (uri, error)) {
	+ mongoc_uri_destroy (uri);
	+ return NULL;
	+ }
	+ max_staleness_seconds = _mongoc_uri_get_max_staleness_option (uri);
	+ mongoc_read_prefs_set_max_staleness_seconds (uri->read_prefs,
	+ max_staleness_seconds);
	+
	+ if (!mongoc_read_prefs_is_valid (uri->read_prefs)) {
	+ mongoc_uri_destroy (uri);
	+ MONGOC_URI_ERROR (error, "%s", "Invalid readPreferences");
	+ return NULL;
	+ }
	+
	+ if (!_mongoc_uri_build_write_concern (uri, error)) {
	+ mongoc_uri_destroy (uri);
	+ return NULL;
	+ }
	+
	+ if (!mongoc_write_concern_is_valid (uri->write_concern)) {
	+ mongoc_uri_destroy (uri);
	+ MONGOC_URI_ERROR (error, "%s", "Invalid writeConcern");
	+ return NULL;
	+ }
	+
	+ return uri;
	+}
	+
	+mongoc_uri_t *
	+mongoc_uri_new (const char *uri_string)
	+{
	+ bson_error_t error = {0};
	+ mongoc_uri_t *uri;
	+
	+ uri = mongoc_uri_new_with_error (uri_string, &error);
	+ if (error.domain) {
	+ MONGOC_WARNING ("Error parsing URI: '%s'", error.message);
	+ }
	+
	+ return uri;
	+}
	+
	+
	+mongoc_uri_t *
	+mongoc_uri_new_for_host_port (const char *hostname, uint16_t port)
	+{
	+ mongoc_uri_t *uri;
	+ char *str;
	+
	+ BSON_ASSERT (hostname);
	+ BSON_ASSERT (port);
	+
	+ str = bson_strdup_printf ("mongodb://%s:%hu/", hostname, port);
	+ uri = mongoc_uri_new (str);
	+ bson_free (str);
	+
	+ return uri;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_username (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+
	+ return uri->username;
	+}
	+
	+bool
	+mongoc_uri_set_username (mongoc_uri_t uri, const char username)
	+{
	+ size_t len;
	+
	+ BSON_ASSERT (username);
	+
	+ len = strlen (username);
	+
	+ if (!bson_utf8_validate (username, len, false)) {
	+ return false;
	+ }
	+
	+ if (uri->username) {
	+ bson_free (uri->username);
	+ }
	+
	+ uri->username = bson_strdup (username);
	+ return true;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_password (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+
	+ return uri->password;
	+}
	+
	+bool
	+mongoc_uri_set_password (mongoc_uri_t uri, const char password)
	+{
	+ size_t len;
	+
	+ BSON_ASSERT (password);
	+
	+ len = strlen (password);
	+
	+ if (!bson_utf8_validate (password, len, false)) {
	+ return false;
	+ }
	+
	+ if (uri->password) {
	+ bson_free (uri->password);
	+ }
	+
	+ uri->password = bson_strdup (password);
	+ return true;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_database (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return uri->database;
	+}
	+
	+bool
	+mongoc_uri_set_database (mongoc_uri_t uri, const char database)
	+{
	+ size_t len;
	+
	+ BSON_ASSERT (database);
	+
	+ len = strlen (database);
	+
	+ if (!bson_utf8_validate (database, len, false)) {
	+ return false;
	+ }
	+
	+ if (uri->database) {
	+ bson_free (uri->database);
	+ }
	+
	+ uri->database = bson_strdup (database);
	+ return true;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_auth_source (const mongoc_uri_t *uri)
	+{
	+ bson_iter_t iter;
	+ const char *mechanism;
	+
	+ BSON_ASSERT (uri);
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->credentials, MONGOC_URI_AUTHSOURCE)) {
	+ return bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ /* Auth spec:
	+ * "For GSSAPI and MONGODB-X509 authMechanisms the authSource defaults to
	+ * $external. For PLAIN the authSource defaults to the database name if
	+ * supplied on the connection string or $external. For MONGODB-CR,
	+ * SCRAM-SHA-1 and SCRAM-SHA-256 authMechanisms, the authSource defaults to
	+ * the database name if supplied on the connection string or admin."
	+ */
	+ mechanism = mongoc_uri_get_auth_mechanism (uri);
	+ if (mechanism) {
	+ if (!strcasecmp (mechanism, "GSSAPI") \|\|
	+ !strcasecmp (mechanism, "MONGODB-X509")) {
	+ return "$external";
	+ }
	+ if (!strcasecmp (mechanism, "PLAIN")) {
	+ return uri->database ? uri->database : "$external";
	+ }
	+ }
	+
	+ return uri->database ? uri->database : "admin";
	+}
	+
	+
	+bool
	+mongoc_uri_set_auth_source (mongoc_uri_t uri, const char value)
	+{
	+ size_t len;
	+
	+ BSON_ASSERT (value);
	+
	+ len = strlen (value);
	+
	+ if (!bson_utf8_validate (value, len, false)) {
	+ return false;
	+ }
	+
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->credentials, MONGOC_URI_AUTHSOURCE, value);
	+
	+ return true;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_appname (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+
	+ return mongoc_uri_get_option_as_utf8 (uri, MONGOC_URI_APPNAME, NULL);
	+}
	+
	+
	+bool
	+mongoc_uri_set_appname (mongoc_uri_t uri, const char value)
	+{
	+ BSON_ASSERT (value);
	+
	+ if (!bson_utf8_validate (value, strlen (value), false)) {
	+ return false;
	+ }
	+
	+ if (!_mongoc_handshake_appname_is_valid (value)) {
	+ return false;
	+ }
	+
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->options, MONGOC_URI_APPNAME, value);
	+
	+ return true;
	+}
	+
	+bool
	+mongoc_uri_set_compressors (mongoc_uri_t uri, const char value)
	+{
	+ const char *end_compressor;
	+ char *entry;
	+
	+ bson_destroy (&uri->compressors);
	+ bson_init (&uri->compressors);
	+
	+ if (value && !bson_utf8_validate (value, strlen (value), false)) {
	+ return false;
	+ }
	+ while ((entry = scan_to_unichar (value, ',', "", &end_compressor))) {
	+ if (mongoc_compressor_supported (entry)) {
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->compressors, entry, "yes");
	+ } else {
	+ MONGOC_WARNING ("Unsupported compressor: '%s'", entry);
	+ }
	+ value = end_compressor + 1;
	+ bson_free (entry);
	+ }
	+ if (value) {
	+ if (mongoc_compressor_supported (value)) {
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->compressors, value, "yes");
	+ } else {
	+ MONGOC_WARNING ("Unsupported compressor: '%s'", value);
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+const bson_t *
	+mongoc_uri_get_compressors (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return &uri->compressors;
	+}
	+
	+
	+/* can't use mongoc_uri_get_option_as_int32, it treats 0 specially */
	+int32_t
	+mongoc_uri_get_local_threshold_option (const mongoc_uri_t *uri)
	+{
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ int32_t retval = MONGOC_TOPOLOGY_LOCAL_THRESHOLD_MS;
	+
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, "localthresholdms") &&
	+ BSON_ITER_HOLDS_INT32 (&iter)) {
	+ retval = bson_iter_int32 (&iter);
	+
	+ if (retval < 0) {
	+ MONGOC_WARNING ("Invalid localThresholdMS: %d", retval);
	+ retval = MONGOC_TOPOLOGY_LOCAL_THRESHOLD_MS;
	+ }
	+ }
	+
	+ return retval;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_srv_hostname (const mongoc_uri_t *uri)
	+{
	+ if (uri->is_srv) {
	+ return uri->srv;
	+ }
	+
	+ return NULL;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_service (const mongoc_uri_t *uri)
	+{
	+ return mongoc_uri_get_srv_hostname (uri);
	+}
	+
	+
	+/* Initial DNS Seedlist Discovery Spec: `srvServiceName` requires a string value
	+ * and defaults to "mongodb". */
	+static const char *const mongoc_default_srv_service_name = "mongodb";
	+
	+
	+const char *
	+mongoc_uri_get_srv_service_name (const mongoc_uri_t *uri)
	+{
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT_PARAM (uri);
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_SRVSERVICENAME)) {
	+ BSON_ASSERT (BSON_ITER_HOLDS_UTF8 (&iter));
	+ return bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ return mongoc_default_srv_service_name;
	+}
	+
	+
	+const bson_t *
	+mongoc_uri_get_options (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return &uri->options;
	+}
	+
	+
	+void
	+mongoc_uri_destroy (mongoc_uri_t *uri)
	+{
	+ if (uri) {
	+ _mongoc_host_list_destroy_all (uri->hosts);
	+ bson_free (uri->str);
	+ bson_free (uri->database);
	+ bson_free (uri->username);
	+ bson_destroy (&uri->raw);
	+ bson_destroy (&uri->options);
	+ bson_destroy (&uri->credentials);
	+ bson_destroy (&uri->compressors);
	+ mongoc_read_prefs_destroy (uri->read_prefs);
	+ mongoc_read_concern_destroy (uri->read_concern);
	+ mongoc_write_concern_destroy (uri->write_concern);
	+
	+ if (uri->password) {
	+ bson_zero_free (uri->password, strlen (uri->password));
	+ }
	+
	+ bson_free (uri);
	+ }
	+}
	+
	+
	+mongoc_uri_t *
	+mongoc_uri_copy (const mongoc_uri_t *uri)
	+{
	+ mongoc_uri_t *copy;
	+ mongoc_host_list_t *iter;
	+ bson_error_t error;
	+
	+ BSON_ASSERT (uri);
	+
	+ copy = (mongoc_uri_t ) bson_malloc0 (sizeof (copy));
	+
	+ copy->str = bson_strdup (uri->str);
	+ copy->is_srv = uri->is_srv;
	+ bson_strncpy (copy->srv, uri->srv, sizeof uri->srv);
	+ copy->username = bson_strdup (uri->username);
	+ copy->password = bson_strdup (uri->password);
	+ copy->database = bson_strdup (uri->database);
	+
	+ copy->read_prefs = mongoc_read_prefs_copy (uri->read_prefs);
	+ copy->read_concern = mongoc_read_concern_copy (uri->read_concern);
	+ copy->write_concern = mongoc_write_concern_copy (uri->write_concern);
	+
	+ LL_FOREACH (uri->hosts, iter)
	+ {
	+ if (!mongoc_uri_upsert_host (copy, iter->host, iter->port, &error)) {
	+ MONGOC_ERROR ("%s", error.message);
	+ mongoc_uri_destroy (copy);
	+ return NULL;
	+ }
	+ }
	+
	+ bson_copy_to (&uri->raw, &copy->raw);
	+ bson_copy_to (&uri->options, &copy->options);
	+ bson_copy_to (&uri->credentials, &copy->credentials);
	+ bson_copy_to (&uri->compressors, &copy->compressors);
	+
	+ return copy;
	+}
	+
	+
	+const char *
	+mongoc_uri_get_string (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return uri->str;
	+}
	+
	+
	+const bson_t *
	+mongoc_uri_get_read_prefs (const mongoc_uri_t *uri)
	+{
	+ BSON_ASSERT (uri);
	+ return mongoc_read_prefs_get_tags (uri->read_prefs);
	+}
	+
	+char *
	+mongoc_uri_unescape (const char *escaped_string)
	+{
	+ bson_unichar_t c;
	+ bson_string_t *str;
	+ unsigned int hex = 0;
	+ const char *ptr;
	+ const char *end;
	+ size_t len;
	+ bool unescape_occurred = false;
	+
	+ BSON_ASSERT (escaped_string);
	+
	+ len = strlen (escaped_string);
	+
	+ /*
	+ * Double check that this is a UTF-8 valid string. Bail out if necessary.
	+ */
	+ if (!bson_utf8_validate (escaped_string, len, false)) {
	+ MONGOC_WARNING ("%s(): escaped_string contains invalid UTF-8", BSON_FUNC);
	+ return NULL;
	+ }
	+
	+ ptr = escaped_string;
	+ end = ptr + len;
	+ str = bson_string_new (NULL);
	+
	+ for (; *ptr; ptr = bson_utf8_next_char (ptr)) {
	+ c = bson_utf8_get_char (ptr);
	+ switch (c) {
	+ case '%':
	+ if (((end - ptr) < 2) \|\| !isxdigit (ptr[1]) \|\| !isxdigit (ptr[2]) \|\|
	+#ifdef _MSC_VER
	+ (1 != sscanf_s (&ptr[1], "%02x", &hex))
	+#else
	+ (1 != sscanf (&ptr[1], "%02x", &hex))
	+#endif
	+ \|\| 0 == hex) {
	+ bson_string_free (str, true);
	+ MONGOC_WARNING ("Invalid %% escape sequence");
	+ return NULL;
	+ }
	+ bson_string_append_c (str, hex);
	+ ptr += 2;
	+ unescape_occurred = true;
	+ break;
	+ default:
	+ bson_string_append_unichar (str, c);
	+ break;
	+ }
	+ }
	+
	+ /* Check that after unescaping, it is still valid UTF-8 */
	+ if (unescape_occurred && !bson_utf8_validate (str->str, str->len, false)) {
	+ MONGOC_WARNING (
	+ "Invalid %% escape sequence: unescaped string contains invalid UTF-8");
	+ bson_string_free (str, true);
	+ return NULL;
	+ }
	+
	+ return bson_string_free (str, false);
	+}
	+
	+
	+const mongoc_read_prefs_t *
	+mongoc_uri_get_read_prefs_t (const mongoc_uri_t uri) / IN */
	+{
	+ BSON_ASSERT (uri);
	+
	+ return uri->read_prefs;
	+}
	+
	+
	+void
	+mongoc_uri_set_read_prefs_t (mongoc_uri_t *uri,
	+ const mongoc_read_prefs_t *prefs)
	+{
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (prefs);
	+
	+ mongoc_read_prefs_destroy (uri->read_prefs);
	+ uri->read_prefs = mongoc_read_prefs_copy (prefs);
	+}
	+
	+
	+const mongoc_read_concern_t *
	+mongoc_uri_get_read_concern (const mongoc_uri_t uri) / IN */
	+{
	+ BSON_ASSERT (uri);
	+
	+ return uri->read_concern;
	+}
	+
	+
	+void
	+mongoc_uri_set_read_concern (mongoc_uri_t uri, const mongoc_read_concern_t rc)
	+{
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (rc);
	+
	+ mongoc_read_concern_destroy (uri->read_concern);
	+ uri->read_concern = mongoc_read_concern_copy (rc);
	+}
	+
	+
	+const mongoc_write_concern_t *
	+mongoc_uri_get_write_concern (const mongoc_uri_t uri) / IN */
	+{
	+ BSON_ASSERT (uri);
	+
	+ return uri->write_concern;
	+}
	+
	+
	+void
	+mongoc_uri_set_write_concern (mongoc_uri_t *uri,
	+ const mongoc_write_concern_t *wc)
	+{
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (wc);
	+
	+ mongoc_write_concern_destroy (uri->write_concern);
	+ uri->write_concern = mongoc_write_concern_copy (wc);
	+}
	+
	+
	+bool
	+mongoc_uri_get_tls (const mongoc_uri_t uri) / IN */
	+{
	+ bson_iter_t iter;
	+
	+ BSON_ASSERT (uri);
	+
	+ if (bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_TLS) &&
	+ BSON_ITER_HOLDS_BOOL (&iter)) {
	+ return bson_iter_bool (&iter);
	+ }
	+
	+ if (bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_TLSCERTIFICATEKEYFILE) \|\|
	+ bson_iter_init_find_case (&iter, &uri->options, MONGOC_URI_TLSCAFILE) \|\|
	+ bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES) \|\|
	+ bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES) \|\|
	+ bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_TLSINSECURE) \|\|
	+ bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD) \|\|
	+ bson_iter_init_find_case (
	+ &iter, &uri->options, MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK) \|\|
	+ bson_iter_init_find_case (
	+ &iter,
	+ &uri->options,
	+ MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK)) {
	+ return true;
	+ }
	+
	+ return false;
	+}
	+
	+bool
	+mongoc_uri_get_ssl (const mongoc_uri_t uri) / IN */
	+{
	+ return mongoc_uri_get_tls (uri);
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_get_option_as_int32 --
	+ *
	+ * Checks if the URI 'option' is set and of correct type (int32).
	+ * The special value '0' is considered as "unset".
	+ * This is so users can provide
	+ * sprintf("mongodb://localhost/?option=%d", myvalue) style connection
	+ * strings, and still apply default values.
	+ *
	+ * If not set, or set to invalid type, 'fallback' is returned.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * The value of 'option' if available as int32 (and not 0), or
	+ * 'fallback'.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int32_t
	+mongoc_uri_get_option_as_int32 (const mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int32_t fallback)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ int64_t retval = 0;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+
	+ /* BC layer to allow retrieving 32-bit values stored in 64-bit options */
	+ if (mongoc_uri_option_is_int64 (option_orig)) {
	+ retval = mongoc_uri_get_option_as_int64 (uri, option_orig, 0);
	+
	+ if (retval > INT32_MAX \|\| retval < INT32_MIN) {
	+ MONGOC_WARNING ("Cannot read 64-bit value for \"%s\": %" PRId64,
	+ option_orig,
	+ retval);
	+
	+ retval = 0;
	+ }
	+ } else if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option) &&
	+ BSON_ITER_HOLDS_INT32 (&iter)) {
	+ retval = bson_iter_int32 (&iter);
	+ }
	+
	+ if (!retval) {
	+ retval = fallback;
	+ }
	+
	+ return (int32_t) retval;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_set_option_as_int32 --
	+ *
	+ * Sets a URI option 'after the fact'. Allows users to set individual
	+ * URI options without passing them as a connection string.
	+ *
	+ * Only allows a set of known options to be set.
	+ * @see mongoc_uri_option_is_int32 ().
	+ *
	+ * Does in-place-update of the option BSON if 'option' is already set.
	+ * Appends the option to the end otherwise.
	+ *
	+ * NOTE: If 'option' is already set, and is of invalid type, this
	+ * function will return false.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int32_t value)
	+{
	+ const char *option;
	+ bson_error_t error;
	+ bool r;
	+
	+ if (mongoc_uri_option_is_int64 (option_orig)) {
	+ return mongoc_uri_set_option_as_int64 (uri, option_orig, value);
	+ }
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+
	+ if (!mongoc_uri_option_is_int32 (option)) {
	+ MONGOC_WARNING (
	+ "Unsupported value for \"%s\": %d, \"%s\" is not an int32 option",
	+ option_orig,
	+ value,
	+ option);
	+ return false;
	+ }
	+
	+ r = _mongoc_uri_set_option_as_int32_with_error (uri, option, value, &error);
	+ if (!r) {
	+ MONGOC_WARNING ("%s", error.message);
	+ }
	+
	+ return r;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_uri_set_option_as_int32_with_error --
	+ *
	+ * Same as mongoc_uri_set_option_as_int32, with error reporting.
	+ *
	+ * Precondition:
	+ * mongoc_uri_option_is_int32(option) must be true.
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_uri_set_option_as_int32_with_error (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int32_t value,
	+ bson_error_t *error)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ char *option_lowercase = NULL;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ /* Server Discovery and Monitoring Spec: "the driver MUST NOT permit users
	+ * to configure it less than minHeartbeatFrequencyMS (500ms)." */
	+ if (!bson_strcasecmp (option, MONGOC_URI_HEARTBEATFREQUENCYMS) &&
	+ value < MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS) {
	+ MONGOC_URI_ERROR (error,
	+ "Invalid \"%s\" of %d: must be at least %d",
	+ option_orig,
	+ value,
	+ MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS);
	+ return false;
	+ }
	+
	+ /* zlib levels are from -1 (default) through 9 (best compression) */
	+ if (!bson_strcasecmp (option, MONGOC_URI_ZLIBCOMPRESSIONLEVEL) &&
	+ (value < -1 \|\| value > 9)) {
	+ MONGOC_URI_ERROR (error,
	+ "Invalid \"%s\" of %d: must be between -1 and 9",
	+ option_orig,
	+ value);
	+ return false;
	+ }
	+
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option)) {
	+ if (BSON_ITER_HOLDS_INT32 (&iter)) {
	+ bson_iter_overwrite_int32 (&iter, value);
	+ return true;
	+ } else {
	+ MONGOC_URI_ERROR (error,
	+ "Cannot set URI option \"%s\" to %d, it already has "
	+ "a non-32-bit integer value",
	+ option,
	+ value);
	+ return false;
	+ }
	+ }
	+ option_lowercase = lowercase_str_new (option);
	+ if (!bson_append_int32 (&uri->options, option_lowercase, -1, value)) {
	+ bson_free (option_lowercase);
	+ MONGOC_URI_ERROR (
	+ error, "Failed to set URI option \"%s\" to %d", option_orig, value);
	+
	+ return false;
	+ }
	+
	+ bson_free (option_lowercase);
	+ return true;
	+}
	+
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_uri_set_option_as_int32 --
	+ *
	+ * Same as mongoc_uri_set_option_as_int32, except the option is not
	+ * validated against valid int32 options
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int32_t value)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ char *option_lowercase = NULL;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option)) {
	+ if (BSON_ITER_HOLDS_INT32 (&iter)) {
	+ bson_iter_overwrite_int32 (&iter, value);
	+ return true;
	+ } else {
	+ return false;
	+ }
	+ }
	+
	+ option_lowercase = lowercase_str_new (option);
	+ bson_append_int32 (&uri->options, option_lowercase, -1, value);
	+ bson_free (option_lowercase);
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_get_option_as_int64 --
	+ *
	+ * Checks if the URI 'option' is set and of correct type (int32 or
	+ * int64).
	+ * The special value '0' is considered as "unset".
	+ * This is so users can provide
	+ * sprintf("mongodb://localhost/?option=%" PRId64, myvalue) style
	+ * connection strings, and still apply default values.
	+ *
	+ * If not set, or set to invalid type, 'fallback' is returned.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * The value of 'option' if available as int64 or int32 (and not 0), or
	+ * 'fallback'.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+int64_t
	+mongoc_uri_get_option_as_int64 (const mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int64_t fallback)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ int64_t retval = fallback;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option)) {
	+ if (BSON_ITER_HOLDS_INT (&iter)) {
	+ if (!(retval = bson_iter_as_int64 (&iter))) {
	+ retval = fallback;
	+ }
	+ }
	+ }
	+
	+ return retval;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_set_option_as_int64 --
	+ *
	+ * Sets a URI option 'after the fact'. Allows users to set individual
	+ * URI options without passing them as a connection string.
	+ *
	+ * Only allows a set of known options to be set.
	+ * @see mongoc_uri_option_is_int64 ().
	+ *
	+ * Does in-place-update of the option BSON if 'option' is already set.
	+ * Appends the option to the end otherwise.
	+ *
	+ * NOTE: If 'option' is already set, and is of invalid type, this
	+ * function will return false.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_uri_set_option_as_int64 (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int64_t value)
	+{
	+ const char *option;
	+ bson_error_t error;
	+ bool r;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ if (!mongoc_uri_option_is_int64 (option)) {
	+ if (mongoc_uri_option_is_int32 (option_orig)) {
	+ if (value >= INT32_MIN && value <= INT32_MAX) {
	+ MONGOC_WARNING (
	+ "Setting value for 32-bit option \"%s\" through 64-bit method",
	+ option_orig);
	+
	+ return mongoc_uri_set_option_as_int32 (
	+ uri, option_orig, (int32_t) value);
	+ }
	+
	+ MONGOC_WARNING ("Unsupported value for \"%s\": %" PRId64
	+ ", \"%s\" is not an int64 option",
	+ option_orig,
	+ value,
	+ option);
	+ return false;
	+ }
	+ }
	+
	+ r = _mongoc_uri_set_option_as_int64_with_error (uri, option, value, &error);
	+ if (!r) {
	+ MONGOC_WARNING ("%s", error.message);
	+ }
	+
	+ return r;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_uri_set_option_as_int64_with_error --
	+ *
	+ * Same as mongoc_uri_set_option_as_int64, with error reporting.
	+ *
	+ * Precondition:
	+ * mongoc_uri_option_is_int64(option) must be true.
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+static bool
	+_mongoc_uri_set_option_as_int64_with_error (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ int64_t value,
	+ bson_error_t *error)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+ char *option_lowercase = NULL;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option)) {
	+ if (BSON_ITER_HOLDS_INT64 (&iter)) {
	+ bson_iter_overwrite_int64 (&iter, value);
	+ return true;
	+ } else {
	+ MONGOC_URI_ERROR (error,
	+ "Cannot set URI option \"%s\" to %" PRId64
	+ ", it already has "
	+ "a non-64-bit integer value",
	+ option,
	+ value);
	+ return false;
	+ }
	+ }
	+
	+ option_lowercase = lowercase_str_new (option);
	+ if (!bson_append_int64 (&uri->options, option_lowercase, -1, value)) {
	+ bson_free (option_lowercase);
	+ MONGOC_URI_ERROR (error,
	+ "Failed to set URI option \"%s\" to %" PRId64,
	+ option_orig,
	+ value);
	+
	+ return false;
	+ }
	+ bson_free (option_lowercase);
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_get_option_as_bool --
	+ *
	+ * Checks if the URI 'option' is set and of correct type (bool).
	+ *
	+ * If not set, or set to invalid type, 'fallback' is returned.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * The value of 'option' if available as bool, or 'fallback'.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_uri_get_option_as_bool (const mongoc_uri_t *uri,
	+ const char *option_orig,
	+ bool fallback)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option) &&
	+ BSON_ITER_HOLDS_BOOL (&iter)) {
	+ return bson_iter_bool (&iter);
	+ }
	+
	+ return fallback;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_set_option_as_bool --
	+ *
	+ * Sets a URI option 'after the fact'. Allows users to set individual
	+ * URI options without passing them as a connection string.
	+ *
	+ * Only allows a set of known options to be set.
	+ * @see mongoc_uri_option_is_bool ().
	+ *
	+ * Does in-place-update of the option BSON if 'option' is already set.
	+ * Appends the option to the end otherwise.
	+ *
	+ * NOTE: If 'option' is already set, and is of invalid type, this
	+ * function will return false.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_uri_set_option_as_bool (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ bool value)
	+{
	+ const char *option;
	+ char *option_lowercase;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ BSON_ASSERT (option);
	+
	+ if (!mongoc_uri_option_is_bool (option)) {
	+ return false;
	+ }
	+
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option)) {
	+ if (BSON_ITER_HOLDS_BOOL (&iter)) {
	+ bson_iter_overwrite_bool (&iter, value);
	+ return true;
	+ } else {
	+ return false;
	+ }
	+ }
	+ option_lowercase = lowercase_str_new (option);
	+ bson_append_bool (&uri->options, option_lowercase, -1, value);
	+ bson_free (option_lowercase);
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_get_option_as_utf8 --
	+ *
	+ * Checks if the URI 'option' is set and of correct type (utf8).
	+ *
	+ * If not set, or set to invalid type, 'fallback' is returned.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * The value of 'option' if available as utf8, or 'fallback'.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+const char *
	+mongoc_uri_get_option_as_utf8 (const mongoc_uri_t *uri,
	+ const char *option_orig,
	+ const char *fallback)
	+{
	+ const char *option;
	+ const bson_t *options;
	+ bson_iter_t iter;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ if ((options = mongoc_uri_get_options (uri)) &&
	+ bson_iter_init_find_case (&iter, options, option) &&
	+ BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ return bson_iter_utf8 (&iter, NULL);
	+ }
	+
	+ return fallback;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * mongoc_uri_set_option_as_utf8 --
	+ *
	+ * Sets a URI option 'after the fact'. Allows users to set individual
	+ * URI options without passing them as a connection string.
	+ *
	+ * Only allows a set of known options to be set.
	+ * @see mongoc_uri_option_is_utf8 ().
	+ *
	+ * If the option is not already set, this function will append it to
	+ *the end of the options bson. NOTE: If the option is already set the entire
	+ *options bson will be overwritten, containing the new option=value
	+ *(at the same position).
	+ *
	+ * NOTE: If 'option' is already set, and is of invalid type, this
	+ * function will return false.
	+ *
	+ * NOTE: 'option' must be valid utf8.
	+ *
	+ * NOTE: 'option' is caseinsensitive.
	+ *
	+ * Returns:
	+ * true on successfully setting the option, false on failure.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+bool
	+mongoc_uri_set_option_as_utf8 (mongoc_uri_t *uri,
	+ const char *option_orig,
	+ const char *value)
	+{
	+ const char *option;
	+ size_t len;
	+ char *option_lowercase = NULL;
	+
	+ option = mongoc_uri_canonicalize_option (option_orig);
	+ BSON_ASSERT (option);
	+
	+ len = strlen (value);
	+
	+ if (!bson_utf8_validate (value, len, false)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_option_is_utf8 (option)) {
	+ return false;
	+ }
	+ if (!bson_strcasecmp (option, MONGOC_URI_APPNAME)) {
	+ return mongoc_uri_set_appname (uri, value);
	+ } else {
	+ option_lowercase = lowercase_str_new (option);
	+ mongoc_uri_bson_append_or_replace_key (
	+ &uri->options, option_lowercase, value);
	+ bson_free (option_lowercase);
	+ }
	+
	+ return true;
	+}
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_uri_requires_auth_negotiation --
	+ *
	+ * Returns true if auth mechanism is necessary for this uri. According
	+ * to the auth spec: "If an application provides a username but does
	+ * not provide an authentication mechanism, drivers MUST negotiate a
	+ * mechanism".
	+ *
	+ * Returns:
	+ * true if the driver should negotiate the auth mechanism for the uri
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+bool
	+_mongoc_uri_requires_auth_negotiation (const mongoc_uri_t *uri)
	+{
	+ return mongoc_uri_get_username (uri) && !mongoc_uri_get_auth_mechanism (uri);
	+}
	+
	+
	+/* A bit of a hack. Needed for multi mongos tests to create a URI with the same
	+ * auth, SSL, and compressors settings but with only one specific host. */
	+mongoc_uri_t *
	+_mongoc_uri_copy_and_replace_host_list (const mongoc_uri_t *original,
	+ const char *host)
	+{
	+ mongoc_uri_t *uri = mongoc_uri_copy (original);
	+ _mongoc_host_list_destroy_all (uri->hosts);
	+ uri->hosts = bson_malloc0 (sizeof (mongoc_host_list_t));
	+ _mongoc_host_list_from_string (uri->hosts, host);
	+ return uri;
	+}
	+
	+bool
	+mongoc_uri_init_with_srv_host_list (mongoc_uri_t *uri,
	+ mongoc_host_list_t *host_list,
	+ bson_error_t *error)
	+{
	+ mongoc_host_list_t *host;
	+
	+ BSON_ASSERT (uri->is_srv);
	+ BSON_ASSERT (!uri->hosts);
	+
	+ LL_FOREACH (host_list, host)
	+ {
	+ if (!mongoc_uri_upsert_host_and_port (uri, host->host_and_port, error)) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+#ifdef MONGOC_ENABLE_CRYPTO
	+void
	+_mongoc_uri_init_scram (const mongoc_uri_t *uri,
	+ mongoc_scram_t *scram,
	+ mongoc_crypto_hash_algorithm_t algo)
	+{
	+ BSON_ASSERT (uri);
	+ BSON_ASSERT (scram);
	+
	+ _mongoc_scram_init (scram, algo);
	+
	+ _mongoc_scram_set_pass (scram, mongoc_uri_get_password (uri));
	+ _mongoc_scram_set_user (scram, mongoc_uri_get_username (uri));
	+}
	+#endif
	+
	+static bool
	+mongoc_uri_finalize_loadbalanced (const mongoc_uri_t uri, bson_error_t error)
	+{
	+ if (!mongoc_uri_get_option_as_bool (uri, MONGOC_URI_LOADBALANCED, false)) {
	+ return true;
	+ }
	+
	+ /* Load Balancer Spec: When `loadBalanced=true` is provided in the connection
	+ * string, the driver MUST throw an exception if the connection string
	+ * contains more than one host/port. */
	+ if (uri->hosts && uri->hosts->next) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "URI with \"%s\" enabled must not contain more than one host",
	+ MONGOC_URI_LOADBALANCED);
	+ return false;
	+ }
	+
	+ if (mongoc_uri_has_option (uri, MONGOC_URI_REPLICASET)) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "URI with \"%s\" enabled must not contain option \"%s\"",
	+ MONGOC_URI_LOADBALANCED,
	+ MONGOC_URI_REPLICASET);
	+ return false;
	+ }
	+
	+ if (mongoc_uri_has_option (uri, MONGOC_URI_DIRECTCONNECTION) &&
	+ mongoc_uri_get_option_as_bool (
	+ uri, MONGOC_URI_DIRECTCONNECTION, false)) {
	+ MONGOC_URI_ERROR (
	+ error,
	+ "URI with \"%s\" enabled must not contain option \"%s\" enabled",
	+ MONGOC_URI_LOADBALANCED,
	+ MONGOC_URI_DIRECTCONNECTION);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+static bool
	+mongoc_uri_finalize_srv (const mongoc_uri_t uri, bson_error_t error)
	+{
	+ /* Initial DNS Seedlist Discovery Spec: The driver MUST report an error if
	+ * either the `srvServiceName` or `srvMaxHosts` URI options are specified
	+ * with a non-SRV URI. */
	+ if (!uri->is_srv) {
	+ const char *option = NULL;
	+
	+ if (mongoc_uri_has_option (uri, MONGOC_URI_SRVSERVICENAME)) {
	+ option = MONGOC_URI_SRVSERVICENAME;
	+ } else if (mongoc_uri_has_option (uri, MONGOC_URI_SRVMAXHOSTS)) {
	+ option = MONGOC_URI_SRVMAXHOSTS;
	+ }
	+
	+ if (option) {
	+ MONGOC_URI_ERROR (
	+ error, "%s must not be specified with a non-SRV URI", option);
	+ return false;
	+ }
	+ }
	+
	+ if (uri->is_srv) {
	+ const int32_t max_hosts =
	+ mongoc_uri_get_option_as_int32 (uri, MONGOC_URI_SRVMAXHOSTS, 0);
	+
	+ /* Initial DNS Seedless Discovery Spec: This option requires a
	+ * non-negative integer and defaults to zero (i.e. no limit). */
	+ if (max_hosts < 0) {
	+ MONGOC_URI_ERROR (error,
	+ "%s is required to be a non-negative integer, but "
	+ "has value %" PRId32,
	+ MONGOC_URI_SRVMAXHOSTS,
	+ max_hosts);
	+ return false;
	+ }
	+
	+ if (max_hosts > 0) {
	+ /* Initial DNS Seedless Discovery spec: If srvMaxHosts is a positive
	+ * integer, the driver MUST throw an error if the connection string
	+ * contains a `replicaSet` option. */
	+ if (mongoc_uri_has_option (uri, MONGOC_URI_REPLICASET)) {
	+ MONGOC_URI_ERROR (error,
	+ "%s must not be specified with %s",
	+ MONGOC_URI_SRVMAXHOSTS,
	+ MONGOC_URI_REPLICASET);
	+ return false;
	+ }
	+
	+ /* Initial DNS Seedless Discovery Spec: If srvMaxHosts is a positive
	+ * integer, the driver MUST throw an error if the connection string
	+ * contains a `loadBalanced` option with a value of `true`.
	+ */
	+ if (mongoc_uri_get_option_as_bool (
	+ uri, MONGOC_URI_LOADBALANCED, false)) {
	+ MONGOC_URI_ERROR (error,
	+ "%s must not be specified with %s=true",
	+ MONGOC_URI_SRVMAXHOSTS,
	+ MONGOC_URI_LOADBALANCED);
	+ return false;
	+ }
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+/* This should be called whenever URI options change (e.g. parsing a new URI
	+ * string, after setting one or more options explicitly, applying TXT records).
	+ * While the primary purpose of this function is to validate the URI, it may
	+ * also alter the URI (e.g. implicitly enable TLS when SRV is used). Returns
	+ * true on success; otherwise, returns false and sets @error. */
	+bool
	+mongoc_uri_finalize (mongoc_uri_t uri, bson_error_t error)
	+{
	+ BSON_ASSERT_PARAM (uri);
	+
	+ if (!mongoc_uri_finalize_tls (uri, error)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_finalize_auth (uri, error)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_finalize_directconnection (uri, error)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_finalize_loadbalanced (uri, error)) {
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_finalize_srv (uri, error)) {
	+ return false;
	+ }
	+
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.h
	new file mode 100644
	index 00000000..183c42d5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-uri.h
	@@ -0,0 +1,232 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_URI_H
	+#define MONGOC_URI_H
	+
	+#include <bson/bson.h>
	+
	+#include "mongoc-macros.h"
	+#include "mongoc-host-list.h"
	+#include "mongoc-read-prefs.h"
	+#include "mongoc-read-concern.h"
	+#include "mongoc-write-concern.h"
	+#include "mongoc-config.h"
	+
	+
	+#ifndef MONGOC_DEFAULT_PORT
	+#define MONGOC_DEFAULT_PORT 27017
	+#endif
	+
	+#define MONGOC_URI_APPNAME "appname"
	+#define MONGOC_URI_AUTHMECHANISM "authmechanism"
	+#define MONGOC_URI_AUTHMECHANISMPROPERTIES "authmechanismproperties"
	+#define MONGOC_URI_AUTHSOURCE "authsource"
	+#define MONGOC_URI_CANONICALIZEHOSTNAME "canonicalizehostname"
	+#define MONGOC_URI_CONNECTTIMEOUTMS "connecttimeoutms"
	+#define MONGOC_URI_COMPRESSORS "compressors"
	+#define MONGOC_URI_DIRECTCONNECTION "directconnection"
	+#define MONGOC_URI_GSSAPISERVICENAME "gssapiservicename"
	+#define MONGOC_URI_HEARTBEATFREQUENCYMS "heartbeatfrequencyms"
	+#define MONGOC_URI_JOURNAL "journal"
	+#define MONGOC_URI_LOADBALANCED "loadbalanced"
	+#define MONGOC_URI_LOCALTHRESHOLDMS "localthresholdms"
	+#define MONGOC_URI_MAXIDLETIMEMS "maxidletimems"
	+#define MONGOC_URI_MAXPOOLSIZE "maxpoolsize"
	+#define MONGOC_URI_MAXSTALENESSSECONDS "maxstalenessseconds"
	+#define MONGOC_URI_MINPOOLSIZE "minpoolsize"
	+#define MONGOC_URI_READCONCERNLEVEL "readconcernlevel"
	+#define MONGOC_URI_READPREFERENCE "readpreference"
	+#define MONGOC_URI_READPREFERENCETAGS "readpreferencetags"
	+#define MONGOC_URI_REPLICASET "replicaset"
	+#define MONGOC_URI_RETRYREADS "retryreads"
	+#define MONGOC_URI_RETRYWRITES "retrywrites"
	+#define MONGOC_URI_SAFE "safe"
	+#define MONGOC_URI_SERVERSELECTIONTIMEOUTMS "serverselectiontimeoutms"
	+#define MONGOC_URI_SERVERSELECTIONTRYONCE "serverselectiontryonce"
	+#define MONGOC_URI_SLAVEOK "slaveok"
	+#define MONGOC_URI_SOCKETCHECKINTERVALMS "socketcheckintervalms"
	+#define MONGOC_URI_SOCKETTIMEOUTMS "sockettimeoutms"
	+#define MONGOC_URI_SRVSERVICENAME "srvservicename"
	+#define MONGOC_URI_SRVMAXHOSTS "srvmaxhosts"
	+#define MONGOC_URI_TLS "tls"
	+#define MONGOC_URI_TLSCERTIFICATEKEYFILE "tlscertificatekeyfile"
	+#define MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD "tlscertificatekeyfilepassword"
	+#define MONGOC_URI_TLSCAFILE "tlscafile"
	+#define MONGOC_URI_TLSALLOWINVALIDCERTIFICATES "tlsallowinvalidcertificates"
	+#define MONGOC_URI_TLSALLOWINVALIDHOSTNAMES "tlsallowinvalidhostnames"
	+#define MONGOC_URI_TLSINSECURE "tlsinsecure"
	+#define MONGOC_URI_TLSDISABLECERTIFICATEREVOCATIONCHECK \
	+ "tlsdisablecertificaterevocationcheck"
	+#define MONGOC_URI_TLSDISABLEOCSPENDPOINTCHECK "tlsdisableocspendpointcheck"
	+#define MONGOC_URI_W "w"
	+#define MONGOC_URI_WAITQUEUEMULTIPLE "waitqueuemultiple"
	+#define MONGOC_URI_WAITQUEUETIMEOUTMS "waitqueuetimeoutms"
	+#define MONGOC_URI_WTIMEOUTMS "wtimeoutms"
	+#define MONGOC_URI_ZLIBCOMPRESSIONLEVEL "zlibcompressionlevel"
	+
	+/* Deprecated in MongoDB 4.2, use "tls" variants instead. */
	+#define MONGOC_URI_SSL "ssl"
	+#define MONGOC_URI_SSLCLIENTCERTIFICATEKEYFILE "sslclientcertificatekeyfile"
	+#define MONGOC_URI_SSLCLIENTCERTIFICATEKEYPASSWORD \
	+ "sslclientcertificatekeypassword"
	+#define MONGOC_URI_SSLCERTIFICATEAUTHORITYFILE "sslcertificateauthorityfile"
	+#define MONGOC_URI_SSLALLOWINVALIDCERTIFICATES "sslallowinvalidcertificates"
	+#define MONGOC_URI_SSLALLOWINVALIDHOSTNAMES "sslallowinvalidhostnames"
	+
	+BSON_BEGIN_DECLS
	+
	+
	+typedef struct _mongoc_uri_t mongoc_uri_t;
	+
	+
	+MONGOC_EXPORT (mongoc_uri_t *)
	+mongoc_uri_copy (const mongoc_uri_t *uri) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (void)
	+mongoc_uri_destroy (mongoc_uri_t *uri);
	+MONGOC_EXPORT (mongoc_uri_t *)
	+mongoc_uri_new (const char *uri_string) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_uri_t *)
	+mongoc_uri_new_with_error (const char *uri_string,
	+ bson_error_t *error) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (mongoc_uri_t *)
	+mongoc_uri_new_for_host_port (const char *hostname,
	+ uint16_t port) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (const mongoc_host_list_t *)
	+mongoc_uri_get_hosts (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_service (const mongoc_uri_t *uri)
	+ BSON_GNUC_DEPRECATED_FOR (mongoc_uri_get_srv_hostname);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_srv_hostname (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_srv_service_name (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_database (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_database (mongoc_uri_t uri, const char database);
	+MONGOC_EXPORT (const bson_t *)
	+mongoc_uri_get_compressors (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const bson_t *)
	+mongoc_uri_get_options (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_password (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_password (mongoc_uri_t uri, const char password);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_has_option (const mongoc_uri_t uri, const char key);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_option_is_int32 (const char *key);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_option_is_int64 (const char *key);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_option_is_bool (const char *key);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_option_is_utf8 (const char *key);
	+MONGOC_EXPORT (int32_t)
	+mongoc_uri_get_option_as_int32 (const mongoc_uri_t *uri,
	+ const char *option,
	+ int32_t fallback);
	+MONGOC_EXPORT (int64_t)
	+mongoc_uri_get_option_as_int64 (const mongoc_uri_t *uri,
	+ const char *option,
	+ int64_t fallback);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_get_option_as_bool (const mongoc_uri_t *uri,
	+ const char *option,
	+ bool fallback);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_option_as_utf8 (const mongoc_uri_t *uri,
	+ const char *option,
	+ const char *fallback);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
	+ const char *option,
	+ int32_t value);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_option_as_int64 (mongoc_uri_t *uri,
	+ const char *option,
	+ int64_t value);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_option_as_bool (mongoc_uri_t *uri,
	+ const char *option,
	+ bool value);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_option_as_utf8 (mongoc_uri_t *uri,
	+ const char *option,
	+ const char *value);
	+MONGOC_EXPORT (const bson_t *)
	+mongoc_uri_get_read_prefs (const mongoc_uri_t *uri)
	+ BSON_GNUC_DEPRECATED_FOR (mongoc_uri_get_read_prefs_t);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_replica_set (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_string (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_username (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_username (mongoc_uri_t uri, const char username);
	+MONGOC_EXPORT (const bson_t *)
	+mongoc_uri_get_credentials (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_auth_source (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_auth_source (mongoc_uri_t uri, const char value);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_appname (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_appname (mongoc_uri_t uri, const char value);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_compressors (mongoc_uri_t uri, const char value);
	+MONGOC_EXPORT (const char *)
	+mongoc_uri_get_auth_mechanism (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_auth_mechanism (mongoc_uri_t uri, const char value);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_get_mechanism_properties (const mongoc_uri_t *uri,
	+ bson_t *properties);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_set_mechanism_properties (mongoc_uri_t *uri,
	+ const bson_t *properties);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_get_ssl (const mongoc_uri_t *uri)
	+ BSON_GNUC_DEPRECATED_FOR (mongoc_uri_get_tls);
	+MONGOC_EXPORT (bool)
	+mongoc_uri_get_tls (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (char *)
	+mongoc_uri_unescape (const char *escaped_string) BSON_GNUC_WARN_UNUSED_RESULT;
	+MONGOC_EXPORT (const mongoc_read_prefs_t *)
	+mongoc_uri_get_read_prefs_t (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (void)
	+mongoc_uri_set_read_prefs_t (mongoc_uri_t *uri,
	+ const mongoc_read_prefs_t *prefs);
	+MONGOC_EXPORT (const mongoc_write_concern_t *)
	+mongoc_uri_get_write_concern (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (void)
	+mongoc_uri_set_write_concern (mongoc_uri_t *uri,
	+ const mongoc_write_concern_t *wc);
	+MONGOC_EXPORT (const mongoc_read_concern_t *)
	+mongoc_uri_get_read_concern (const mongoc_uri_t *uri);
	+MONGOC_EXPORT (void)
	+mongoc_uri_set_read_concern (mongoc_uri_t *uri,
	+ const mongoc_read_concern_t *rc);
	+
	+BSON_END_DECLS
	+
	+
	+#endif /* MONGOC_URI_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util-private.h
	new file mode 100644
	index 00000000..98d2257a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util-private.h
	@@ -0,0 +1,239 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongoc-prelude.h"
	+
	+#ifndef MONGOC_UTIL_PRIVATE_H
	+#define MONGOC_UTIL_PRIVATE_H
	+
	+#include <bson/bson.h>
	+#include "mongoc.h"
	+
	+#ifdef BSON_HAVE_STRINGS_H
	+#include <strings.h>
	+#endif
	+
	+#include <stdint.h>
	+
	+/* string comparison functions for Windows */
	+#ifdef _WIN32
	+#define strcasecmp _stricmp
	+#define strncasecmp _strnicmp
	+#endif
	+
	+#if BSON_GNUC_CHECK_VERSION(4, 6)
	+#define BEGIN_IGNORE_DEPRECATIONS \
	+ _Pragma ("GCC diagnostic push") \
	+ _Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
	+#define END_IGNORE_DEPRECATIONS _Pragma ("GCC diagnostic pop")
	+#elif defined(__clang__)
	+#define BEGIN_IGNORE_DEPRECATIONS \
	+ _Pragma ("clang diagnostic push") \
	+ _Pragma ("clang diagnostic ignored \"-Wdeprecated-declarations\"")
	+#define END_IGNORE_DEPRECATIONS _Pragma ("clang diagnostic pop")
	+#else
	+#define BEGIN_IGNORE_DEPRECATIONS
	+#define END_IGNORE_DEPRECATIONS
	+#endif
	+
	+#ifndef _WIN32
	+#define MONGOC_PRINTF_FORMAT(a, b) __attribute__ ((format (__printf__, a, b)))
	+#else
	+#define MONGOC_PRINTF_FORMAT(a, b) /* no-op */
	+#endif
	+
	+#define COALESCE(x, y) ((x == 0) ? (y) : (x))
	+
	+
	+/* Helper macros for stringifying things */
	+#define MONGOC_STR(s) #s
	+#define MONGOC_EVALUATE_STR(s) MONGOC_STR (s)
	+
	+BSON_BEGIN_DECLS
	+
	+extern const bson_validate_flags_t _mongoc_default_insert_vflags;
	+extern const bson_validate_flags_t _mongoc_default_replace_vflags;
	+extern const bson_validate_flags_t _mongoc_default_update_vflags;
	+
	+int
	+_mongoc_rand_simple (unsigned int *seed);
	+
	+char *
	+_mongoc_hex_md5 (const char *input);
	+
	+void
	+_mongoc_usleep (int64_t usec);
	+
	+/* Get the current time as a number of milliseconds since the Unix Epoch. */
	+int64_t
	+_mongoc_get_real_time_ms (void);
	+
	+const char *
	+_mongoc_get_command_name (const bson_t *command);
	+
	+const char *
	+_mongoc_get_documents_field_name (const char *command_name);
	+
	+bool
	+_mongoc_lookup_bool (const bson_t bson, const char key, bool default_value);
	+
	+/* Returns a database name that the caller must free. */
	+char *
	+_mongoc_get_db_name (const char *ns);
	+
	+void
	+_mongoc_bson_init_if_set (bson_t *bson);
	+
	+const char *
	+_mongoc_bson_type_to_str (bson_type_t t);
	+
	+const char *
	+_mongoc_wire_version_to_server_version (int32_t version);
	+
	+bool
	+_mongoc_get_server_id_from_opts (const bson_t *opts,
	+ mongoc_error_domain_t domain,
	+ mongoc_error_code_t code,
	+ uint32_t *server_id,
	+ bson_error_t *error);
	+
	+bool
	+_mongoc_validate_new_document (const bson_t *insert,
	+ bson_validate_flags_t vflags,
	+ bson_error_t *error);
	+
	+bool
	+_mongoc_validate_replace (const bson_t *insert,
	+ bson_validate_flags_t vflags,
	+ bson_error_t *error);
	+
	+bool
	+_mongoc_validate_update (const bson_t *update,
	+ bson_validate_flags_t vflags,
	+ bson_error_t *error);
	+
	+void
	+mongoc_lowercase (const char src, char buf /* OUT */);
	+
	+bool
	+mongoc_parse_port (uint16_t port, const char str);
	+
	+void
	+_mongoc_bson_array_add_label (bson_t bson, const char label);
	+
	+void
	+_mongoc_bson_array_copy_labels_to (const bson_t reply, bson_t dst);
	+
	+void
	+_mongoc_bson_init_with_transient_txn_error (const mongoc_client_session_t *cs,
	+ bson_t *reply);
	+
	+bool
	+_mongoc_document_is_pipeline (const bson_t *document);
	+
	+/*
	+ *--------------------------------------------------------------------------
	+ *
	+ * _mongoc_getenv --
	+ *
	+ * Get the value of an environment variable.
	+ *
	+ * Returns:
	+ * A string you must bson_free, or NULL if the variable is not set.
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+char *
	+_mongoc_getenv (const char *name);
	+
	+/* Returns a uniformly-distributed uint32_t generated using
	+ * `_mongoc_rand_bytes()` if a source of cryptographic randomness is available
	+ * (defined only if `MONGOC_ENABLE_CRYPTO` is defined).
	+ */
	+uint32_t
	+_mongoc_crypto_rand_uint32_t (void);
	+
	+/* Returns a uniformly-distributed uint64_t generated using
	+ * `_mongoc_rand_bytes()` if a source of cryptographic randomness is available
	+ * (defined only if `MONGOC_ENABLE_CRYPTO` is defined).
	+ */
	+uint64_t
	+_mongoc_crypto_rand_uint64_t (void);
	+
	+/* Returns a uniformly-distributed size_t generated using
	+ * `_mongoc_rand_bytes()` if a source of cryptographic randomness is available
	+ * (defined only if `MONGOC_ENABLE_CRYPTO` is defined).
	+ */
	+size_t
	+_mongoc_crypto_rand_size_t (void);
	+
	+/* Returns a uniformly-distributed random uint32_t generated using `rand()`.
	+ * Note: may invoke `srand()`, which may not be thread-safe. Concurrent calls to
	+ * `_mongoc_simple_rand_()` functions, however, is thread-safe. /
	+uint32_t
	+_mongoc_simple_rand_uint32_t (void);
	+
	+/* Returns a uniformly-distributed random uint64_t generated using `rand()`.
	+ * Note: may invoke `srand()`, which may not be thread-safe. Concurrent calls to
	+ * `_mongoc_simple_rand_()` functions, however, is thread-safe. /
	+uint64_t
	+_mongoc_simple_rand_uint64_t (void);
	+
	+/* Returns a uniformly-distributed random size_t generated using `rand()`.
	+ * Note: may invoke `srand()`, which may not be thread-safe. Concurrent calls to
	+ * `_mongoc_simple_rand_()` functions, however, is thread-safe. /
	+size_t
	+_mongoc_simple_rand_size_t (void);
	+
	+/* Returns a uniformly-distributed random integer in the range [min, max].
	+ *
	+ * The size of the range [min, max] must not equal the size of the representable
	+ * range of uint32_t (`min == 0 && max == UINT32_MAX` must not be true).
	+ *
	+ * The generator `rand` must return a random integer uniformly distributed in
	+ * the full range of representable values of uint32_t.
	+ */
	+uint32_t
	+_mongoc_rand_uint32_t (uint32_t min, uint32_t max, uint32_t (*rand) (void));
	+
	+/* Returns a uniformly-distributed random integer in the range [min, max].
	+ *
	+ * The size of the range [min, max] must not equal the size of the representable
	+ * range of uint64_t (`min == 0 && max == UINT64_MAX` must not be true).
	+ *
	+ * The generator `rand` must return a random integer uniformly distributed in
	+ * the full range of representable values of uint64_t.
	+ */
	+uint64_t
	+_mongoc_rand_uint64_t (uint64_t min, uint64_t max, uint64_t (*rand) (void));
	+
	+/* Returns a uniformly-distributed random integer in the range [min, max].
	+ *
	+ * The size of the range [min, max] must not equal the size of the representable
	+ * range of size_t (`min == 0 && max == SIZE_MAX` must not be true).
	+ *
	+ * The generator `rand` must return a random integer uniformly distributed in
	+ * the full range of representable values of size_t.
	+ */
	+size_t
	+_mongoc_rand_size_t (size_t min, size_t max, size_t (*rand) (void));
	+
	+BSON_END_DECLS
	+
	+#endif /* MONGOC_UTIL_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util.c
	new file mode 100644
	index 00000000..e68678df
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-util.c
	@@ -0,0 +1,865 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifdef _WIN32
	+#define _CRT_RAND_S
	+#endif
	+
	+#include <string.h>
	+
	+#include "bson/bson.h"
	+
	+#include "common-md5-private.h"
	+#include "common-thread-private.h"
	+#include "mongoc-rand-private.h"
	+#include "mongoc-util-private.h"
	+#include "mongoc-client.h"
	+#include "mongoc-client-session-private.h"
	+#include "mongoc-trace-private.h"
	+
	+const bson_validate_flags_t _mongoc_default_insert_vflags =
	+ BSON_VALIDATE_UTF8 \| BSON_VALIDATE_UTF8_ALLOW_NULL \|
	+ BSON_VALIDATE_EMPTY_KEYS;
	+
	+const bson_validate_flags_t _mongoc_default_replace_vflags =
	+ BSON_VALIDATE_UTF8 \| BSON_VALIDATE_UTF8_ALLOW_NULL \|
	+ BSON_VALIDATE_EMPTY_KEYS;
	+
	+const bson_validate_flags_t _mongoc_default_update_vflags =
	+ BSON_VALIDATE_UTF8 \| BSON_VALIDATE_UTF8_ALLOW_NULL \|
	+ BSON_VALIDATE_EMPTY_KEYS;
	+
	+int
	+_mongoc_rand_simple (unsigned int *seed)
	+{
	+#ifdef _WIN32
	+ /* ignore the seed */
	+ unsigned int ret = 0;
	+ errno_t err;
	+
	+ err = rand_s (&ret);
	+ if (0 != err) {
	+ MONGOC_ERROR ("rand_s failed: %s", strerror (err));
	+ }
	+
	+ return (int) ret;
	+#else
	+ return rand_r (seed);
	+#endif
	+}
	+
	+
	+char *
	+_mongoc_hex_md5 (const char *input)
	+{
	+ uint8_t digest[16];
	+ bson_md5_t md5;
	+ char digest_str[33];
	+ int i;
	+
	+ COMMON_PREFIX (_bson_md5_init (&md5));
	+ COMMON_PREFIX (_bson_md5_append (
	+ &md5, (const uint8_t *) input, (uint32_t) strlen (input)));
	+ COMMON_PREFIX (_bson_md5_finish (&md5, digest));
	+
	+ for (i = 0; i < sizeof digest; i++) {
	+ bson_snprintf (&digest_str[i * 2], 3, "%02x", digest[i]);
	+ }
	+ digest_str[sizeof digest_str - 1] = '\0';
	+
	+ return bson_strdup (digest_str);
	+}
	+
	+
	+void
	+_mongoc_usleep (int64_t usec)
	+{
	+#ifdef _WIN32
	+ LARGE_INTEGER ft;
	+ HANDLE timer;
	+
	+ BSON_ASSERT (usec >= 0);
	+
	+ ft.QuadPart = -(10 * usec);
	+ timer = CreateWaitableTimer (NULL, true, NULL);
	+ SetWaitableTimer (timer, &ft, 0, NULL, NULL, 0);
	+ WaitForSingleObject (timer, INFINITE);
	+ CloseHandle (timer);
	+#else
	+ BSON_ASSERT (usec >= 0);
	+ usleep ((useconds_t) usec);
	+#endif
	+}
	+
	+int64_t
	+_mongoc_get_real_time_ms (void)
	+{
	+ struct timeval tv;
	+ const bool rc = bson_gettimeofday (&tv);
	+ if (rc != 0) {
	+ return -1;
	+ }
	+ return tv.tv_sec * (int64_t) 1000 + tv.tv_usec / (int64_t) 1000;
	+}
	+
	+
	+const char *
	+_mongoc_get_command_name (const bson_t *command)
	+{
	+ bson_iter_t iter;
	+ const char *name;
	+ bson_iter_t child;
	+ const char *wrapper_name = NULL;
	+
	+ BSON_ASSERT (command);
	+
	+ if (!bson_iter_init (&iter, command) \|\| !bson_iter_next (&iter)) {
	+ return NULL;
	+ }
	+
	+ name = bson_iter_key (&iter);
	+
	+ /* wrapped in "$query" or "query"?
	+ *
	+ * {$query: {count: "collection"}, $readPreference: {...}}
	+ */
	+ if (name[0] == '$') {
	+ wrapper_name = "$query";
	+ } else if (!strcmp (name, "query")) {
	+ wrapper_name = "query";
	+ }
	+
	+ if (wrapper_name && bson_iter_init_find (&iter, command, wrapper_name) &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter) && bson_iter_recurse (&iter, &child) &&
	+ bson_iter_next (&child)) {
	+ name = bson_iter_key (&child);
	+ }
	+
	+ return name;
	+}
	+
	+
	+const char *
	+_mongoc_get_documents_field_name (const char *command_name)
	+{
	+ if (!strcmp (command_name, "insert")) {
	+ return "documents";
	+ }
	+
	+ if (!strcmp (command_name, "update")) {
	+ return "updates";
	+ }
	+
	+ if (!strcmp (command_name, "delete")) {
	+ return "deletes";
	+ }
	+
	+ return NULL;
	+}
	+
	+bool
	+_mongoc_lookup_bool (const bson_t bson, const char key, bool default_value)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+
	+ if (!bson) {
	+ return default_value;
	+ }
	+
	+ BSON_ASSERT (bson_iter_init (&iter, bson));
	+ if (!bson_iter_find_descendant (&iter, key, &child)) {
	+ return default_value;
	+ }
	+
	+ return bson_iter_as_bool (&child);
	+}
	+
	+char *
	+_mongoc_get_db_name (const char *ns)
	+{
	+ size_t dblen;
	+ const char *dot;
	+
	+ BSON_ASSERT (ns);
	+
	+ dot = strstr (ns, ".");
	+
	+ if (dot) {
	+ dblen = dot - ns;
	+ return bson_strndup (ns, dblen);
	+ } else {
	+ return bson_strdup (ns);
	+ }
	+}
	+
	+void
	+_mongoc_bson_init_if_set (bson_t *bson)
	+{
	+ if (bson) {
	+ bson_init (bson);
	+ }
	+}
	+
	+const char *
	+_mongoc_bson_type_to_str (bson_type_t t)
	+{
	+ switch (t) {
	+ case BSON_TYPE_EOD:
	+ return "EOD";
	+ case BSON_TYPE_DOUBLE:
	+ return "DOUBLE";
	+ case BSON_TYPE_UTF8:
	+ return "UTF8";
	+ case BSON_TYPE_DOCUMENT:
	+ return "DOCUMENT";
	+ case BSON_TYPE_ARRAY:
	+ return "ARRAY";
	+ case BSON_TYPE_BINARY:
	+ return "BINARY";
	+ case BSON_TYPE_UNDEFINED:
	+ return "UNDEFINED";
	+ case BSON_TYPE_OID:
	+ return "OID";
	+ case BSON_TYPE_BOOL:
	+ return "BOOL";
	+ case BSON_TYPE_DATE_TIME:
	+ return "DATE_TIME";
	+ case BSON_TYPE_NULL:
	+ return "NULL";
	+ case BSON_TYPE_REGEX:
	+ return "REGEX";
	+ case BSON_TYPE_DBPOINTER:
	+ return "DBPOINTER";
	+ case BSON_TYPE_CODE:
	+ return "CODE";
	+ case BSON_TYPE_SYMBOL:
	+ return "SYMBOL";
	+ case BSON_TYPE_CODEWSCOPE:
	+ return "CODEWSCOPE";
	+ case BSON_TYPE_INT32:
	+ return "INT32";
	+ case BSON_TYPE_TIMESTAMP:
	+ return "TIMESTAMP";
	+ case BSON_TYPE_INT64:
	+ return "INT64";
	+ case BSON_TYPE_MAXKEY:
	+ return "MAXKEY";
	+ case BSON_TYPE_MINKEY:
	+ return "MINKEY";
	+ case BSON_TYPE_DECIMAL128:
	+ return "DECIMAL128";
	+ default:
	+ return "Unknown";
	+ }
	+}
	+
	+
	+/* Refer to:
	+ * https://github.com/mongodb/specifications/blob/master/source/wireversion-featurelist.rst
	+ * and:
	+ * https://github.com/mongodb/mongo/blob/master/src/mongo/db/wire_version.h#L57
	+ */
	+const char *
	+_mongoc_wire_version_to_server_version (int32_t version)
	+{
	+ switch (version) {
	+ case 1:
	+ case 2:
	+ return "2.6";
	+ case 3:
	+ return "3.0";
	+ case 4:
	+ return "3.2";
	+ case 5:
	+ return "3.4";
	+ case 6:
	+ return "3.6";
	+ case 7:
	+ return "4.0";
	+ case 8:
	+ return "4.2";
	+ case 9:
	+ return "4.4";
	+ case 10:
	+ return "4.7";
	+ case 11:
	+ return "4.8";
	+ case 12:
	+ return "4.9";
	+ case 13:
	+ return "5.0";
	+ case 14:
	+ return "5.1";
	+ case 15:
	+ return "5.2";
	+ default:
	+ return "Unknown";
	+ }
	+}
	+
	+
	+/* Get "serverId" from opts. Sets *server_id to the serverId from "opts" or 0
	+ * if absent. On error, fills out *error with domain and code and return false.
	+ */
	+bool
	+_mongoc_get_server_id_from_opts (const bson_t *opts,
	+ mongoc_error_domain_t domain,
	+ mongoc_error_code_t code,
	+ uint32_t *server_id,
	+ bson_error_t *error)
	+{
	+ bson_iter_t iter;
	+
	+ ENTRY;
	+
	+ BSON_ASSERT (server_id);
	+
	+ *server_id = 0;
	+
	+ if (!opts \|\| !bson_iter_init_find (&iter, opts, "serverId")) {
	+ RETURN (true);
	+ }
	+
	+ if (!BSON_ITER_HOLDS_INT (&iter)) {
	+ bson_set_error (
	+ error, domain, code, "The serverId option must be an integer");
	+ RETURN (false);
	+ }
	+
	+ if (bson_iter_as_int64 (&iter) <= 0) {
	+ bson_set_error (error, domain, code, "The serverId option must be >= 1");
	+ RETURN (false);
	+ }
	+
	+ *server_id = (uint32_t) bson_iter_as_int64 (&iter);
	+
	+ RETURN (true);
	+}
	+
	+
	+bool
	+_mongoc_validate_new_document (const bson_t *doc,
	+ bson_validate_flags_t vflags,
	+ bson_error_t *error)
	+{
	+ bson_error_t validate_err;
	+
	+ if (vflags == BSON_VALIDATE_NONE) {
	+ return true;
	+ }
	+
	+ if (!bson_validate_with_error (doc, vflags, &validate_err)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "invalid document for insert: %s",
	+ validate_err.message);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+_mongoc_validate_replace (const bson_t *doc,
	+ bson_validate_flags_t vflags,
	+ bson_error_t *error)
	+{
	+ bson_error_t validate_err;
	+ bson_iter_t iter;
	+ const char *key;
	+
	+ if (vflags == BSON_VALIDATE_NONE) {
	+ return true;
	+ }
	+
	+ if (!bson_validate_with_error (doc, vflags, &validate_err)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "invalid argument for replace: %s",
	+ validate_err.message);
	+ return false;
	+ }
	+
	+ if (!bson_iter_init (&iter, doc)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "replace document is corrupt");
	+ return false;
	+ }
	+
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+ if (key[0] == '$') {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Invalid key '%s': replace prohibits $ operators",
	+ key);
	+
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+_mongoc_validate_update (const bson_t *update,
	+ bson_validate_flags_t vflags,
	+ bson_error_t *error)
	+{
	+ bson_error_t validate_err;
	+ bson_iter_t iter;
	+ const char *key;
	+
	+ if (vflags == BSON_VALIDATE_NONE) {
	+ return true;
	+ }
	+
	+ if (!bson_validate_with_error (update, vflags, &validate_err)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "invalid argument for update: %s",
	+ validate_err.message);
	+ return false;
	+ }
	+
	+ if (_mongoc_document_is_pipeline (update)) {
	+ return true;
	+ }
	+
	+ if (!bson_iter_init (&iter, update)) {
	+ bson_set_error (error,
	+ MONGOC_ERROR_BSON,
	+ MONGOC_ERROR_BSON_INVALID,
	+ "update document is corrupt");
	+ return false;
	+ }
	+
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+ if (key[0] != '$') {
	+ bson_set_error (error,
	+ MONGOC_ERROR_COMMAND,
	+ MONGOC_ERROR_COMMAND_INVALID_ARG,
	+ "Invalid key '%s': update only works with $ operators"
	+ " and pipelines",
	+ key);
	+
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+void
	+mongoc_lowercase (const char src, char buf /* OUT */)
	+{
	+ for (; *src; ++src, ++buf) {
	+ /* UTF8 non-ascii characters have a 1 at the leftmost bit. If this is the
	+ * case, just copy */
	+ if ((*src & (0x1 << 7)) == 0) {
	+ buf = (char) tolower (src);
	+ } else {
	+ buf = src;
	+ }
	+ }
	+}
	+
	+bool
	+mongoc_parse_port (uint16_t port, const char str)
	+{
	+ unsigned long ul_port;
	+
	+ ul_port = strtoul (str, NULL, 10);
	+
	+ if (ul_port == 0 \|\| ul_port > UINT16_MAX) {
	+ /* Parse error or port number out of range. mongod prohibits port 0. */
	+ return false;
	+ }
	+
	+ *port = (uint16_t) ul_port;
	+ return true;
	+}
	+
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _mongoc_bson_array_add_label --
	+ *
	+ * Append an error label like "TransientTransactionError" to a BSON
	+ * array iff the array does not already contain it.
	+ *
	+ * Side effects:
	+ * Aborts if the array is invalid or contains non-string elements.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_bson_array_add_label (bson_t bson, const char label)
	+{
	+ bson_iter_t iter;
	+ char buf[16];
	+ uint32_t i = 0;
	+ const char *key;
	+
	+ BSON_ASSERT (bson_iter_init (&iter, bson));
	+ while (bson_iter_next (&iter)) {
	+ if (!strcmp (bson_iter_utf8 (&iter, NULL), label)) {
	+ /* already included once */
	+ return;
	+ }
	+
	+ i++;
	+ }
	+
	+ bson_uint32_to_string (i, &key, buf, sizeof buf);
	+ BSON_APPEND_UTF8 (bson, key, label);
	+}
	+
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _mongoc_bson_array_copy_labels_to --
	+ *
	+ * Copy error labels like "TransientTransactionError" from a server
	+ * reply to a BSON array iff the array does not already contain it.
	+ *
	+ * Side effects:
	+ * Aborts if @dst is invalid or contains non-string elements.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_bson_array_copy_labels_to (const bson_t reply, bson_t dst)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t label;
	+
	+ if (bson_iter_init_find (&iter, reply, "errorLabels")) {
	+ BSON_ASSERT (bson_iter_recurse (&iter, &label));
	+ while (bson_iter_next (&label)) {
	+ if (BSON_ITER_HOLDS_UTF8 (&label)) {
	+ _mongoc_bson_array_add_label (dst, bson_iter_utf8 (&label, NULL));
	+ }
	+ }
	+ }
	+}
	+
	+
	+/*--------------------------------------------------------------------------
	+ *
	+ * _mongoc_bson_init_with_transient_txn_error --
	+ *
	+ * If @reply is not NULL, initialize it. If @cs is not NULL and in a
	+ * transaction, add errorLabels: ["TransientTransactionError"] to @cs.
	+ *
	+ * Transactions Spec: TransientTransactionError includes "server
	+ * selection error encountered running any command besides
	+ * commitTransaction in a transaction. ...in the case of network errors
	+ * or server selection errors where the client receives no server reply,
	+ * the client adds the label."
	+ *
	+ * Side effects:
	+ * None.
	+ *
	+ *--------------------------------------------------------------------------
	+ */
	+
	+void
	+_mongoc_bson_init_with_transient_txn_error (const mongoc_client_session_t *cs,
	+ bson_t *reply)
	+{
	+ bson_t labels;
	+
	+ if (!reply) {
	+ return;
	+ }
	+
	+ bson_init (reply);
	+
	+ if (_mongoc_client_session_in_txn (cs)) {
	+ BSON_APPEND_ARRAY_BEGIN (reply, "errorLabels", &labels);
	+ BSON_APPEND_UTF8 (&labels, "0", TRANSIENT_TXN_ERR);
	+ bson_append_array_end (reply, &labels);
	+ }
	+}
	+
	+bool
	+_mongoc_document_is_pipeline (const bson_t *document)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+ const char *key;
	+ int i = 0;
	+ char *i_str;
	+
	+ if (!bson_iter_init (&iter, document)) {
	+ return false;
	+ }
	+
	+ while (bson_iter_next (&iter)) {
	+ key = bson_iter_key (&iter);
	+ i_str = bson_strdup_printf ("%d", i++);
	+
	+ if (strcmp (key, i_str)) {
	+ bson_free (i_str);
	+ return false;
	+ }
	+
	+ bson_free (i_str);
	+
	+ if (BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ if (!bson_iter_recurse (&iter, &child)) {
	+ return false;
	+ }
	+ if (!bson_iter_next (&child)) {
	+ return false;
	+ }
	+ key = bson_iter_key (&child);
	+ if (key[0] != '$') {
	+ return false;
	+ }
	+ } else {
	+ return false;
	+ }
	+ }
	+
	+ /* should return false when the document is empty */
	+ return i != 0;
	+}
	+
	+char *
	+_mongoc_getenv (const char *name)
	+{
	+#ifdef _MSC_VER
	+ char buf[2048];
	+ size_t buflen;
	+
	+ if ((0 == getenv_s (&buflen, buf, sizeof buf, name)) && buflen) {
	+ return bson_strdup (buf);
	+ } else {
	+ return NULL;
	+ }
	+#else
	+
	+ if (getenv (name) && strlen (getenv (name))) {
	+ return bson_strdup (getenv (name));
	+ } else {
	+ return NULL;
	+ }
	+
	+#endif
	+}
	+
	+/* Nearly Divisionless (Algorithm 5): https://arxiv.org/abs/1805.10941 */
	+static uint32_t
	+_mongoc_rand_nduid32 (uint32_t s, uint32_t (*rand32) (void))
	+{
	+ const uint64_t limit = UINT32_MAX; /* 2^L */
	+ uint64_t x, m, l;
	+
	+ x = rand32 ();
	+ m = x * s;
	+ l = m % limit;
	+
	+ if (l < s) {
	+ const uint64_t t = (limit - s) % s;
	+
	+ while (l < t) {
	+ x = rand32 ();
	+ m = x * s;
	+ l = m % limit;
	+ }
	+ }
	+
	+ return (uint32_t) (m / limit);
	+}
	+
	+/* Java Algorithm (Algorithm 4): https://arxiv.org/abs/1805.10941
	+ * The 64-bit version of the nearly divisionless algorithm requires 128-bit
	+ * integer arithmetic. Instead of trying to deal with cross-platform support for
	+ * `__int128`, fallback to using the Java algorithm for 64-bit instead. */
	+static uint64_t
	+_mongoc_rand_java64 (uint64_t s, uint64_t (*rand64) (void))
	+{
	+ const uint64_t limit = UINT64_MAX; /* 2^L */
	+ uint64_t x, r;
	+
	+ x = rand64 ();
	+ r = x % s;
	+
	+ while ((x - r) > (limit - s)) {
	+ x = rand64 ();
	+ r = x % s;
	+ }
	+
	+ return r;
	+}
	+
	+#if defined(MONGOC_ENABLE_CRYPTO)
	+
	+uint32_t
	+_mongoc_crypto_rand_uint32_t (void)
	+{
	+ uint32_t res;
	+
	+ (void) _mongoc_rand_bytes ((uint8_t *) &res, sizeof (res));
	+
	+ return res;
	+}
	+
	+uint64_t
	+_mongoc_crypto_rand_uint64_t (void)
	+{
	+ uint64_t res;
	+
	+ (void) _mongoc_rand_bytes ((uint8_t *) &res, sizeof (res));
	+
	+ return res;
	+}
	+
	+size_t
	+_mongoc_crypto_rand_size_t (void)
	+{
	+ size_t res;
	+
	+ (void) _mongoc_rand_bytes ((uint8_t *) &res, sizeof (res));
	+
	+ return res;
	+}
	+
	+#endif /* defined(MONGOC_ENABLE_CRYPTO) */
	+
	+static BSON_ONCE_FUN (_mongoc_simple_rand_init)
	+{
	+ struct timeval tv;
	+ unsigned int seed = 0;
	+
	+ bson_gettimeofday (&tv);
	+
	+ seed ^= (unsigned int) tv.tv_sec;
	+ seed ^= (unsigned int) tv.tv_usec;
	+
	+ srand (seed);
	+
	+ BSON_ONCE_RETURN;
	+}
	+
	+static bson_once_t _mongoc_simple_rand_init_once = BSON_ONCE_INIT;
	+
	+uint32_t
	+_mongoc_simple_rand_uint32_t (void)
	+{
	+ bson_once (&_mongoc_simple_rand_init_once, _mongoc_simple_rand_init);
	+
	+ /* Ensure all bits are random, as RAND_MAX is only required to be at least
	+ * 32767 (2^15). */
	+ return (((uint32_t) rand () & 0x7FFFu) << 0u) \|
	+ (((uint32_t) rand () & 0x7FFFu) << 15u) \|
	+ (((uint32_t) rand () & 0x0003u) << 30u);
	+}
	+
	+uint64_t
	+_mongoc_simple_rand_uint64_t (void)
	+{
	+ bson_once (&_mongoc_simple_rand_init_once, _mongoc_simple_rand_init);
	+
	+ /* Ensure all bits are random, as RAND_MAX is only required to be at least
	+ * 32767 (2^15). */
	+ return (((uint64_t) rand () & 0x7FFFu) << 0u) \|
	+ (((uint64_t) rand () & 0x7FFFu) << 15u) \|
	+ (((uint64_t) rand () & 0x7FFFu) << 30u) \|
	+ (((uint64_t) rand () & 0x7FFFu) << 45u) \|
	+ (((uint64_t) rand () & 0x0003u) << 60u);
	+}
	+
	+uint32_t
	+_mongoc_rand_uint32_t (uint32_t min, uint32_t max, uint32_t (*rand) (void))
	+{
	+ BSON_ASSERT (min <= max);
	+ BSON_ASSERT (min != 0u \|\| max != UINT32_MAX);
	+
	+ return _mongoc_rand_nduid32 (max - min + 1u, rand) + min;
	+}
	+
	+uint64_t
	+_mongoc_rand_uint64_t (uint64_t min, uint64_t max, uint64_t (*rand) (void))
	+{
	+ BSON_ASSERT (min <= max);
	+ BSON_ASSERT (min != 0u \|\| max != UINT64_MAX);
	+
	+ return _mongoc_rand_java64 (max - min + 1u, rand) + min;
	+}
	+
	+#if SIZE_MAX == UINT64_MAX
	+
	+BSON_STATIC_ASSERT2 (_mongoc_simple_rand_size_t,
	+ sizeof (size_t) == sizeof (uint64_t));
	+
	+size_t
	+_mongoc_simple_rand_size_t (void)
	+{
	+ return (size_t) _mongoc_simple_rand_uint64_t ();
	+}
	+
	+size_t
	+_mongoc_rand_size_t (size_t min, size_t max, size_t (*rand) (void))
	+{
	+ BSON_ASSERT (min <= max);
	+ BSON_ASSERT (min != 0u \|\| max != UINT64_MAX);
	+
	+ return _mongoc_rand_java64 (max - min + 1u, (uint64_t (*) (void)) rand) +
	+ min;
	+}
	+
	+#elif SIZE_MAX == UINT32_MAX
	+
	+BSON_STATIC_ASSERT2 (_mongoc_simple_rand_size_t,
	+ sizeof (size_t) == sizeof (uint32_t));
	+
	+size_t
	+_mongoc_simple_rand_size_t (void)
	+{
	+ return (size_t) _mongoc_simple_rand_uint32_t ();
	+}
	+
	+size_t
	+_mongoc_rand_size_t (size_t min, size_t max, size_t (*rand) (void))
	+{
	+ BSON_ASSERT (min <= max);
	+ BSON_ASSERT (min != 0u \|\| max != UINT32_MAX);
	+
	+ return _mongoc_rand_nduid32 (max - min + 1u, (uint32_t (*) (void)) rand) +
	+ min;
	+}
	+
	+#else
	+
	+#error \
	+ "Implementation of _mongoc_simple_rand_size_t() requires size_t be exactly 32-bit or 64-bit"
	+
	+#endif
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version-functions.h
	diff --git a/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h
	new file mode 100644
	index 00000000..f23dece8
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h
	@@ -0,0 +1,102 @@
	+/*
	+ * Copyright 2013 MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+
	+#if !defined (MONGOC_INSIDE) && !defined (MONGOC_COMPILATION)
	+#error "Only <mongoc/mongoc.h> can be included directly."
	+#endif
	+
	+
	+#ifndef MONGOC_VERSION_H
	+#define MONGOC_VERSION_H
	+
	+
	+/**
	+ * MONGOC_MAJOR_VERSION:
	+ *
	+ * MONGOC major version component (e.g. 1 if %MONGOC_VERSION is 1.2.3)
	+ */
	+#define MONGOC_MAJOR_VERSION (1)
	+
	+
	+/**
	+ * MONGOC_MINOR_VERSION:
	+ *
	+ * MONGOC minor version component (e.g. 2 if %MONGOC_VERSION is 1.2.3)
	+ */
	+#define MONGOC_MINOR_VERSION (21)
	+
	+
	+/**
	+ * MONGOC_MICRO_VERSION:
	+ *
	+ * MONGOC micro version component (e.g. 3 if %MONGOC_VERSION is 1.2.3)
	+ */
	+#define MONGOC_MICRO_VERSION (1)
	+
	+
	+/**
	+ * MONGOC_PRERELEASE_VERSION:
	+ *
	+ * MONGOC prerelease version component (e.g. pre if %MONGOC_VERSION is 1.2.3-pre)
	+ */
	+#define MONGOC_PRERELEASE_VERSION ()
	+
	+
	+/**
	+ * MONGOC_VERSION:
	+ *
	+ * MONGOC version.
	+ */
	+#define MONGOC_VERSION (1.21.1)
	+
	+
	+/**
	+ * MONGOC_VERSION_S:
	+ *
	+ * MONGOC version, encoded as a string, useful for printing and
	+ * concatenation.
	+ */
	+#define MONGOC_VERSION_S "1.21.1"
	+
	+
	+/**
	+ * MONGOC_VERSION_HEX:
	+ *
	+ * MONGOC version, encoded as an hexadecimal number, useful for
	+ * integer comparisons.
	+ */
	+#define MONGOC_VERSION_HEX (MONGOC_MAJOR_VERSION << 24 \| \
	+ MONGOC_MINOR_VERSION << 16 \| \
	+ MONGOC_MICRO_VERSION << 8)
	+
	+
	+/**
	+ * MONGOC_CHECK_VERSION:
	+ * @major: required major version
	+ * @minor: required minor version
	+ * @micro: required micro version
	+ *
	+ * Compile-time version checking. Evaluates to %TRUE if the version
	+ * of MONGOC is greater than the required one.
	+ */
	+#define MONGOC_CHECK_VERSION(major,minor,micro) \
	+ (MONGOC_MAJOR_VERSION > (major) \|\| \
	+ (MONGOC_MAJOR_VERSION == (major) && MONGOC_MINOR_VERSION > (minor)) \|\| \
	+ (MONGOC_MAJOR_VERSION == (major) && MONGOC_MINOR_VERSION == (minor) && \
	+ MONGOC_MICRO_VERSION >= (micro)))
	+
	+#endif /* MONGOC_VERSION_H */
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h.in b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h.in
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h.in
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-version.h.in
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-legacy.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-command.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern-private.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern-private.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern-private.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.c b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.c
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc-write-concern.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/mongoc.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-compressed.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-compressed.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-compressed.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-compressed.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-delete.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-delete.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-delete.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-delete.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-get-more.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-get-more.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-get-more.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-get-more.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-header.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-header.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-header.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-header.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-insert.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-insert.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-insert.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-insert.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-kill-cursors.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-kill-cursors.def
	similarity index 100%
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	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-kill-cursors.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-msg.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-msg.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-msg.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-msg.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-query.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-query.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-query.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-query.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply-header.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply-header.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply-header.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply-header.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-reply.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-update.def b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-update.def
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/op-update.def
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/op-update.def
	diff --git a/mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/utlist.h b/mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/utlist.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/libmongoc/src/mongoc/utlist.h
	rename to mongodb-1.13.0/src/libmongoc/src/libmongoc/src/mongoc/utlist.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/adler32.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/adler32.c
	similarity index 100%
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	rename to mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/adler32.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/compress.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/compress.c
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/crc32.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/crc32.c
	similarity index 100%
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	rename to mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/crc32.c
	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/crc32.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/crc32.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/crc32.h
	rename to mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/crc32.h
	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/deflate.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/deflate.c
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/deflate.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/deflate.h
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/gzclose.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/gzclose.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/gzguts.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/gzguts.h
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/gzlib.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/gzlib.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/gzread.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/gzread.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/gzwrite.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/gzwrite.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/infback.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/infback.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inffast.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inffast.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inffast.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inffast.h
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inffixed.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inffixed.h
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inflate.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inflate.c
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inflate.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inflate.h
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inftrees.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inftrees.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/inftrees.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/inftrees.h
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/trees.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/trees.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/trees.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/trees.h
	similarity index 100%
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/uncompr.c b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/uncompr.c
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/zconf.h.in b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/zconf.h
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	diff --git a/mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/zlib.h b/mongodb-1.13.0/src/libmongoc/src/zlib-1.2.11/zlib.h
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	rename from mongodb-1.12.0/src/libmongoc/src/zlib-1.2.11/zutil.h
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	diff --git a/mongodb-1.12.0/src/libmongocrypt-compat/mongocrypt-export.h b/mongodb-1.13.0/src/libmongocrypt-compat/mongocrypt-export.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt-compat/mongocrypt-export.h
	rename to mongodb-1.13.0/src/libmongocrypt-compat/mongocrypt-export.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt-compat/mongocrypt/mongocrypt.h b/mongodb-1.13.0/src/libmongocrypt-compat/mongocrypt/mongocrypt.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt-compat/mongocrypt/mongocrypt.h
	rename to mongodb-1.13.0/src/libmongocrypt-compat/mongocrypt/mongocrypt.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/hexlify.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/hexlify.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/hexlify.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/hexlify.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/hexlify.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/hexlify.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/hexlify.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/hexlify.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_azure_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_azure_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_azure_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_azure_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_b64.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_b64.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_b64.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_b64.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_caller_identity_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_caller_identity_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_caller_identity_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_caller_identity_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_apple.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_apple.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_apple.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_apple.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_libcrypto.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_libcrypto.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_libcrypto.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_libcrypto.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_none.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_none.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_none.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_none.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_windows.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_windows.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_crypto_windows.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_crypto_windows.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_decrypt_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_decrypt_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_decrypt_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_decrypt_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_encrypt_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_encrypt_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_encrypt_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_encrypt_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_endian_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_endian_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_endian_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_endian_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_gcp_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_gcp_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_gcp_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_gcp_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_item_type_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_item_type_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_item_type_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_item_type_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_reader_writer_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_response.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_response.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_response.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_response.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_response_parser_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_result_reason_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_result_reason_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_result_reason_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_result_reason_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_result_status_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_result_status_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_result_status_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_result_status_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_tag_type_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_tag_type_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kmip_tag_type_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kmip_tag_type_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kv_list.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kv_list.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kv_list.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kv_list.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kv_list.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kv_list.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_kv_list.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_kv_list.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_azure_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_azure_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_azure_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_azure_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_b64.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_b64.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_b64.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_b64.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_caller_identity_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_caller_identity_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_caller_identity_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_caller_identity_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_decrypt_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_decrypt_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_decrypt_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_decrypt_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_encrypt_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_encrypt_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_encrypt_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_encrypt_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_gcp_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_gcp_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_gcp_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_gcp_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response_parser.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response_parser.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response_parser.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_kmip_response_parser.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_message.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_message.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_message.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_message.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_message_defines.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_message_defines.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_message_defines.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_message_defines.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_request.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_request.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_request.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_request.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_request_opt.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_request_opt.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_request_opt.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_request_opt.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_response.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_response.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_response.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_response.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_response_parser.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_response_parser.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message/kms_response_parser.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message/kms_response_parser.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_message_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_message_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_port.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_port.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_port.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_port.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_port.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_port.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_port.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_port.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_opt.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_opt.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_opt.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_opt.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_opt_private.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_opt_private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_opt_private.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_opt_private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_str.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_str.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_str.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_str.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_str.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_str.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_request_str.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_request_str.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_response.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_response.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_response.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_response.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_response_parser.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_response_parser.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/kms_response_parser.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/kms_response_parser.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/sort.c b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/sort.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/sort.c
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/sort.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/kms-message/src/sort.h b/mongodb-1.13.0/src/libmongocrypt/kms-message/src/sort.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/kms-message/src/sort.h
	rename to mongodb-1.13.0/src/libmongocrypt/kms-message/src/sort.h
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/crypto/cng.c b/mongodb-1.13.0/src/libmongocrypt/src/crypto/cng.c
	new file mode 100644
	index 00000000..901fe087
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/crypto/cng.c
	@@ -0,0 +1,326 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "../mongocrypt-crypto-private.h"
	+#include "../mongocrypt-private.h"
	+
	+#ifdef MONGOCRYPT_ENABLE_CRYPTO_CNG
	+
	+#include <bcrypt.h>
	+
	+static BCRYPT_ALG_HANDLE _algo_sha512_hmac = 0;
	+static BCRYPT_ALG_HANDLE _algo_aes256 = 0;
	+static DWORD _aes256_key_blob_length;
	+
	+static BCRYPT_ALG_HANDLE _random;
	+
	+#define STATUS_SUCCESS 0
	+
	+bool _native_crypto_initialized = false;
	+
	+void
	+_native_crypto_init ()
	+{
	+ DWORD cbOutput;
	+ NTSTATUS nt_status;
	+
	+ /* Note, there is no mechanism for libmongocrypt to close these providers,
	+ * If we ever add such a mechanism, call BCryptCloseAlgorithmProvider.
	+ */
	+ nt_status = BCryptOpenAlgorithmProvider (&_algo_sha512_hmac,
	+ BCRYPT_SHA512_ALGORITHM,
	+ MS_PRIMITIVE_PROVIDER,
	+ BCRYPT_ALG_HANDLE_HMAC_FLAG);
	+ if (nt_status != STATUS_SUCCESS) {
	+ return;
	+ }
	+
	+ nt_status = BCryptOpenAlgorithmProvider (
	+ &_algo_aes256, BCRYPT_AES_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ return;
	+ }
	+
	+ nt_status = BCryptSetProperty (
	+ _algo_aes256,
	+ BCRYPT_CHAINING_MODE,
	+ (PUCHAR) (BCRYPT_CHAIN_MODE_CBC),
	+ (ULONG) (sizeof (wchar_t) * wcslen (BCRYPT_CHAIN_MODE_CBC)),
	+ 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ return;
	+ }
	+
	+ cbOutput = sizeof (_aes256_key_blob_length);
	+ nt_status = BCryptGetProperty (_algo_aes256,
	+ BCRYPT_OBJECT_LENGTH,
	+ (PUCHAR) (&_aes256_key_blob_length),
	+ cbOutput,
	+ &cbOutput,
	+ 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ return;
	+ }
	+
	+ nt_status = BCryptOpenAlgorithmProvider (
	+ &_random, BCRYPT_RNG_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ return;
	+ }
	+
	+ _native_crypto_initialized = true;
	+}
	+
	+typedef struct {
	+ unsigned char *key_object;
	+ uint32_t key_object_length;
	+
	+ BCRYPT_KEY_HANDLE key_handle;
	+
	+ unsigned char *iv;
	+ uint32_t iv_len;
	+} cng_encrypt_state;
	+
	+static void
	+_crypto_state_destroy (cng_encrypt_state *state);
	+
	+static cng_encrypt_state *
	+_crypto_state_init (const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *iv,
	+ mongocrypt_status_t *status)
	+{
	+ cng_encrypt_state *state;
	+ uint32_t keyBlobLength;
	+ unsigned char *keyBlob;
	+ BCRYPT_KEY_DATA_BLOB_HEADER blobHeader;
	+ NTSTATUS nt_status;
	+
	+ keyBlob = NULL;
	+
	+ state = bson_malloc0 (sizeof (*state));
	+ BSON_ASSERT (state);
	+
	+ state->key_handle = INVALID_HANDLE_VALUE;
	+
	+ /* Initialize key storage buffer */
	+ state->key_object = bson_malloc0 (_aes256_key_blob_length);
	+ BSON_ASSERT (state->key_object);
	+
	+ state->key_object_length = _aes256_key_blob_length;
	+
	+ /* Allocate temporary buffer for key import */
	+ keyBlobLength = sizeof (BCRYPT_KEY_DATA_BLOB_HEADER) + key->len;
	+ keyBlob = bson_malloc0 (keyBlobLength);
	+ BSON_ASSERT (keyBlob);
	+
	+
	+ blobHeader.dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
	+ blobHeader.dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
	+ blobHeader.cbKeyData = key->len;
	+
	+ memcpy (keyBlob, &blobHeader, sizeof (BCRYPT_KEY_DATA_BLOB_HEADER));
	+
	+ memcpy (keyBlob + sizeof (BCRYPT_KEY_DATA_BLOB_HEADER), key->data, key->len);
	+
	+ nt_status = BCryptImportKey (_algo_aes256,
	+ NULL,
	+ BCRYPT_KEY_DATA_BLOB,
	+ &(state->key_handle),
	+ state->key_object,
	+ state->key_object_length,
	+ keyBlob,
	+ keyBlobLength,
	+ 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("Import Key Failed: 0x%x", (int) nt_status);
	+ goto fail;
	+ }
	+
	+ bson_free (keyBlob);
	+
	+ state->iv = bson_malloc0 (iv->len);
	+ BSON_ASSERT (state->iv);
	+
	+ state->iv_len = iv->len;
	+ memcpy (state->iv, iv->data, iv->len);
	+
	+ return state;
	+fail:
	+ _crypto_state_destroy (state);
	+ bson_free (keyBlob);
	+
	+ return NULL;
	+}
	+
	+
	+static void
	+_crypto_state_destroy (cng_encrypt_state *state)
	+{
	+ if (state) {
	+ /* Free the key handle before the key_object that contains it */
	+ if (state->key_handle != INVALID_HANDLE_VALUE) {
	+ BCryptDestroyKey (state->key_handle);
	+ }
	+
	+ bson_free (state->key_object);
	+ bson_free (state->iv);
	+ bson_free (state);
	+ }
	+}
	+
	+
	+bool
	+_native_crypto_aes_256_cbc_encrypt (aes_256_args_t args)
	+{
	+ bool ret = false;
	+ mongocrypt_status_t *status = args.status;
	+ cng_encrypt_state *state = _crypto_state_init (args.key, args.iv, status);
	+
	+ NTSTATUS nt_status;
	+
	+ nt_status = BCryptEncrypt (state->key_handle,
	+ (PUCHAR) (args.in->data),
	+ args.in->len,
	+ NULL,
	+ state->iv,
	+ state->iv_len,
	+ args.out->data,
	+ args.out->len,
	+ args.bytes_written,
	+ 0);
	+
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("error initializing cipher: 0x%x", (int) nt_status);
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ _crypto_state_destroy (state);
	+ return ret;
	+}
	+
	+
	+bool
	+_native_crypto_aes_256_cbc_decrypt (aes_256_args_t args)
	+{
	+ bool ret = false;
	+ mongocrypt_status_t *status = args.status;
	+ cng_encrypt_state *state = _crypto_state_init (args.key, args.iv, status);
	+
	+ NTSTATUS nt_status;
	+
	+ nt_status = BCryptDecrypt (state->key_handle,
	+ (PUCHAR) (args.in->data),
	+ args.in->len,
	+ NULL,
	+ state->iv,
	+ state->iv_len,
	+ args.out->data,
	+ args.out->len,
	+ args.bytes_written,
	+ 0);
	+
	+
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("error initializing cipher: 0x%x", (int) nt_status);
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ _crypto_state_destroy (state);
	+ return ret;
	+}
	+
	+
	+bool
	+_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *in,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ bool ret = false;
	+ BCRYPT_HASH_HANDLE hHash;
	+ NTSTATUS nt_status;
	+
	+ if (out->len != 64) {
	+ CLIENT_ERR ("out does not contain 64 bytes");
	+ return false;
	+ }
	+
	+ nt_status = BCryptCreateHash (_algo_sha512_hmac,
	+ &hHash,
	+ NULL,
	+ 0,
	+ (PUCHAR) key->data,
	+ (ULONG) key->len,
	+ 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("error initializing hmac: 0x%x", (int) nt_status);
	+ goto done;
	+ }
	+
	+ nt_status = BCryptHashData (hHash, (PUCHAR) in->data, (ULONG) in->len, 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("error hashing data: 0x%x", (int) nt_status);
	+ goto done;
	+ }
	+
	+ nt_status = BCryptFinishHash (hHash, out->data, out->len, 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("error finishing hmac: 0x%x", (int) nt_status);
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ (void) BCryptDestroyHash (hHash);
	+ return ret;
	+}
	+
	+
	+bool
	+_native_crypto_random (_mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+{
	+ NTSTATUS nt_status = BCryptGenRandom (_random, out->data, count, 0);
	+ if (nt_status != STATUS_SUCCESS) {
	+ CLIENT_ERR ("BCryptGenRandom Failed: 0x%x", (int) nt_status);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_encrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR ("_native_crypto_aes_256_ctr_encrypt not implemented for CNG");
	+ return false;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_decrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR ("_native_crypto_aes_256_ctr_decrypt not implemented for CNG");
	+ return false;
	+}
	+
	+#endif /* MONGOCRYPT_ENABLE_CRYPTO_CNG */
	\ No newline at end of file
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/crypto/commoncrypto.c b/mongodb-1.13.0/src/libmongocrypt/src/crypto/commoncrypto.c
	new file mode 100644
	index 00000000..04f56563
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/crypto/commoncrypto.c
	@@ -0,0 +1,202 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "../mongocrypt-crypto-private.h"
	+#include "../mongocrypt-private.h"
	+
	+#ifdef MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO
	+
	+#include <CommonCrypto/CommonCryptor.h>
	+#include <CommonCrypto/CommonHMAC.h>
	+#include <CommonCrypto/CommonRandom.h>
	+
	+bool _native_crypto_initialized = false;
	+
	+void
	+_native_crypto_init ()
	+{
	+ _native_crypto_initialized = true;
	+}
	+
	+
	+bool
	+_native_crypto_aes_256_cbc_encrypt (aes_256_args_t args)
	+{
	+ bool ret = false;
	+ CCCryptorRef ctx = NULL;
	+ CCCryptorStatus cc_status;
	+ size_t intermediate_bytes_written;
	+ mongocrypt_status_t *status = args.status;
	+
	+ cc_status = CCCryptorCreate (kCCEncrypt,
	+ kCCAlgorithmAES,
	+ 0 /* defaults to CBC w/ no padding */,
	+ args.key->data,
	+ kCCKeySizeAES256,
	+ args.iv->data,
	+ &ctx);
	+
	+ if (cc_status != kCCSuccess) {
	+ CLIENT_ERR ("error initializing cipher: %d", (int) cc_status);
	+ goto done;
	+ }
	+
	+ *args.bytes_written = 0;
	+
	+ cc_status = CCCryptorUpdate (ctx,
	+ args.in->data,
	+ args.in->len,
	+ args.out->data,
	+ args.out->len,
	+ &intermediate_bytes_written);
	+ if (cc_status != kCCSuccess) {
	+ CLIENT_ERR ("error encrypting: %d", (int) cc_status);
	+ goto done;
	+ }
	+ *args.bytes_written = intermediate_bytes_written;
	+
	+
	+ cc_status = CCCryptorFinal (ctx,
	+ args.out->data + *args.bytes_written,
	+ args.out->len - *args.bytes_written,
	+ &intermediate_bytes_written);
	+ *args.bytes_written += intermediate_bytes_written;
	+
	+ if (cc_status != kCCSuccess) {
	+ CLIENT_ERR ("error finalizing: %d", (int) cc_status);
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ CCCryptorRelease (ctx);
	+ return ret;
	+}
	+
	+
	+/* Note, the decrypt function is almost exactly the same as the encrypt
	+ * functions except for the kCCDecrypt and the error message. */
	+bool
	+_native_crypto_aes_256_cbc_decrypt (aes_256_args_t args)
	+{
	+ bool ret = false;
	+ CCCryptorRef ctx = NULL;
	+ CCCryptorStatus cc_status;
	+ size_t intermediate_bytes_written;
	+ mongocrypt_status_t *status = args.status;
	+
	+ cc_status = CCCryptorCreate (kCCDecrypt,
	+ kCCAlgorithmAES,
	+ 0 /* defaults to CBC w/ no padding */,
	+ args.key->data,
	+ kCCKeySizeAES256,
	+ args.iv->data,
	+ &ctx);
	+
	+ if (cc_status != kCCSuccess) {
	+ CLIENT_ERR ("error initializing cipher: %d", (int) cc_status);
	+ goto done;
	+ }
	+
	+ *args.bytes_written = 0;
	+ cc_status = CCCryptorUpdate (ctx,
	+ args.in->data,
	+ args.in->len,
	+ args.out->data,
	+ args.out->len,
	+ &intermediate_bytes_written);
	+ if (cc_status != kCCSuccess) {
	+ CLIENT_ERR ("error decrypting: %d", (int) cc_status);
	+ goto done;
	+ }
	+ *args.bytes_written = intermediate_bytes_written;
	+
	+ cc_status = CCCryptorFinal (ctx,
	+ args.out->data + *args.bytes_written,
	+ args.out->len - *args.bytes_written,
	+ &intermediate_bytes_written);
	+ *args.bytes_written += intermediate_bytes_written;
	+
	+ if (cc_status != kCCSuccess) {
	+ CLIENT_ERR ("error finalizing: %d", (int) cc_status);
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ CCCryptorRelease (ctx);
	+ return ret;
	+}
	+
	+
	+/* CCHmac functions don't return errors. */
	+bool
	+_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *in,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ CCHmacContext *ctx;
	+
	+ if (out->len != MONGOCRYPT_HMAC_SHA512_LEN) {
	+ CLIENT_ERR ("out does not contain %d bytes", MONGOCRYPT_HMAC_SHA512_LEN);
	+ return false;
	+ }
	+
	+ ctx = bson_malloc0 (sizeof (*ctx));
	+ BSON_ASSERT (ctx);
	+
	+
	+ CCHmacInit (ctx, kCCHmacAlgSHA512, key->data, key->len);
	+ CCHmacUpdate (ctx, in->data, in->len);
	+ CCHmacFinal (ctx, out->data);
	+ bson_free (ctx);
	+ return true;
	+}
	+
	+
	+bool
	+_native_crypto_random (_mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+{
	+ CCRNGStatus ret = CCRandomGenerateBytes (out->data, (size_t) count);
	+ if (ret != kCCSuccess) {
	+ CLIENT_ERR ("failed to generate random iv: %d", (int) ret);
	+ return false;
	+ }
	+ return true;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_encrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR (
	+ "_native_crypto_aes_256_ctr_encrypt not implemented for CommonCrypto");
	+ return false;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_decrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR (
	+ "_native_crypto_aes_256_ctr_decrypt not implemented for CommonCrypto");
	+ return false;
	+}
	+
	+#endif /* MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/crypto/libcrypto.c b/mongodb-1.13.0/src/libmongocrypt/src/crypto/libcrypto.c
	new file mode 100644
	index 00000000..86fe3925
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/crypto/libcrypto.c
	@@ -0,0 +1,288 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+/*
	+ * Comments in this implementation refer to:
	+ * [MCGREW] https://tools.ietf.org/html/draft-mcgrew-aead-aes-cbc-hmac-sha2-05
	+ */
	+
	+#include "../mongocrypt-crypto-private.h"
	+#include "../mongocrypt-private.h"
	+#include "../mongocrypt-log-private.h"
	+
	+#ifdef MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO
	+
	+#include <bson/bson.h>
	+
	+#include <openssl/crypto.h>
	+#include <openssl/evp.h>
	+#include <openssl/err.h>
	+#include <openssl/hmac.h>
	+#include <openssl/rand.h>
	+
	+#if OPENSSL_VERSION_NUMBER < 0x10100000L \|\| \
	+ (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
	+
	+static HMAC_CTX *
	+HMAC_CTX_new (void)
	+{
	+ return bson_malloc0 (sizeof (HMAC_CTX));
	+}
	+
	+static void
	+HMAC_CTX_free (HMAC_CTX *ctx)
	+{
	+ HMAC_CTX_cleanup (ctx);
	+ bson_free (ctx);
	+}
	+#endif
	+
	+bool _native_crypto_initialized = false;
	+
	+void
	+_native_crypto_init ()
	+{
	+ _native_crypto_initialized = true;
	+}
	+
	+/* _encrypt_with_cipher encrypts @in with the OpenSSL cipher specified by
	+ * @cipher.
	+ * @key is the input key. @iv is the input IV.
	+ * @out is the output ciphertext. @out must be allocated by the caller with
	+ * enough room for the ciphertext.
	+ * @bytes_written is the number of bytes that were written to @out.
	+ * Returns false and sets @status on error. @status is required. */
	+static bool
	+_encrypt_with_cipher (const EVP_CIPHER *cipher, aes_256_args_t args)
	+{
	+ EVP_CIPHER_CTX *ctx;
	+ bool ret = false;
	+ int intermediate_bytes_written;
	+ mongocrypt_status_t *status = args.status;
	+
	+ ctx = EVP_CIPHER_CTX_new ();
	+
	+ BSON_ASSERT (ctx);
	+ BSON_ASSERT (cipher);
	+ BSON_ASSERT (EVP_CIPHER_iv_length (cipher) == args.iv->len);
	+ BSON_ASSERT (EVP_CIPHER_key_length (cipher) == args.key->len);
	+
	+ if (!EVP_EncryptInit_ex (
	+ ctx, cipher, NULL /* engine */, args.key->data, args.iv->data)) {
	+ CLIENT_ERR ("error in EVP_EncryptInit_ex: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ /* Disable the default OpenSSL padding. */
	+ EVP_CIPHER_CTX_set_padding (ctx, 0);
	+
	+ *args.bytes_written = 0;
	+ if (!EVP_EncryptUpdate (ctx,
	+ args.out->data,
	+ &intermediate_bytes_written,
	+ args.in->data,
	+ args.in->len)) {
	+ CLIENT_ERR ("error in EVP_EncryptUpdate: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ *args.bytes_written = (uint32_t) intermediate_bytes_written;
	+
	+ if (!EVP_EncryptFinal_ex (
	+ ctx, args.out->data, &intermediate_bytes_written)) {
	+ CLIENT_ERR ("error in EVP_EncryptFinal_ex: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ *args.bytes_written += (uint32_t) intermediate_bytes_written;
	+
	+ ret = true;
	+done:
	+ EVP_CIPHER_CTX_free (ctx);
	+ return ret;
	+}
	+
	+/* _decrypt_with_cipher decrypts @in with the OpenSSL cipher specified by
	+ * @cipher.
	+ * @key is the input key. @iv is the input IV.
	+ * @out is the output plaintext. @out must be allocated by the caller with
	+ * enough room for the plaintext.
	+ * @bytes_written is the number of bytes that were written to @out.
	+ * Returns false and sets @status on error. @status is required. */
	+static bool
	+_decrypt_with_cipher (const EVP_CIPHER *cipher, aes_256_args_t args)
	+{
	+ EVP_CIPHER_CTX *ctx;
	+ bool ret = false;
	+ int intermediate_bytes_written;
	+ mongocrypt_status_t *status = args.status;
	+
	+ ctx = EVP_CIPHER_CTX_new ();
	+
	+ BSON_ASSERT (EVP_CIPHER_iv_length (cipher) == args.iv->len);
	+ BSON_ASSERT (EVP_CIPHER_key_length (cipher) == args.key->len);
	+
	+ if (!EVP_DecryptInit_ex (
	+ ctx, cipher, NULL /* engine */, args.key->data, args.iv->data)) {
	+ CLIENT_ERR ("error in EVP_DecryptInit_ex: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ /* Disable padding. */
	+ EVP_CIPHER_CTX_set_padding (ctx, 0);
	+
	+ *args.bytes_written = 0;
	+
	+ if (!EVP_DecryptUpdate (ctx,
	+ args.out->data,
	+ &intermediate_bytes_written,
	+ args.in->data,
	+ args.in->len)) {
	+ CLIENT_ERR ("error in EVP_DecryptUpdate: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ *args.bytes_written = intermediate_bytes_written;
	+
	+ if (!EVP_DecryptFinal_ex (
	+ ctx, args.out->data, &intermediate_bytes_written)) {
	+ CLIENT_ERR ("error in EVP_DecryptFinal_ex: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ *args.bytes_written += intermediate_bytes_written;
	+
	+ ret = true;
	+done:
	+ EVP_CIPHER_CTX_free (ctx);
	+ return ret;
	+}
	+
	+bool
	+_native_crypto_aes_256_cbc_encrypt (aes_256_args_t args)
	+{
	+ return _encrypt_with_cipher (EVP_aes_256_cbc (), args);
	+}
	+
	+bool
	+_native_crypto_aes_256_cbc_decrypt (aes_256_args_t args)
	+{
	+ return _decrypt_with_cipher (EVP_aes_256_cbc (), args);
	+}
	+
	+
	+bool
	+_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *in,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ const EVP_MD *algo;
	+
	+ algo = EVP_sha512 ();
	+ BSON_ASSERT (EVP_MD_block_size (algo) == 128);
	+ BSON_ASSERT (EVP_MD_size (algo) == MONGOCRYPT_HMAC_SHA512_LEN);
	+
	+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
	+ if (!HMAC (algo,
	+ key->data,
	+ key->len,
	+ in->data,
	+ in->len,
	+ out->data,
	+ NULL /* unused out len */)) {
	+ CLIENT_ERR ("error initializing HMAC: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ return false;
	+ }
	+ return true;
	+#else
	+ HMAC_CTX *ctx;
	+ bool ret = false;
	+
	+ ctx = HMAC_CTX_new ();
	+
	+ if (out->len != MONGOCRYPT_HMAC_SHA512_LEN) {
	+ CLIENT_ERR ("out does not contain %d bytes", MONGOCRYPT_HMAC_SHA512_LEN);
	+ return false;
	+ }
	+
	+ if (!HMAC_Init_ex (ctx, key->data, key->len, algo, NULL /* engine */)) {
	+ CLIENT_ERR ("error initializing HMAC: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ if (!HMAC_Update (ctx, in->data, in->len)) {
	+ CLIENT_ERR ("error updating HMAC: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ if (!HMAC_Final (ctx, out->data, NULL /* unused out len */)) {
	+ CLIENT_ERR ("error finalizing: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ HMAC_CTX_free (ctx);
	+ return ret;
	+#endif
	+}
	+
	+
	+bool
	+_native_crypto_random (_mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+{
	+ int ret = RAND_bytes (out->data, count);
	+ /* From man page: "RAND_bytes() and RAND_priv_bytes() return 1 on success, -1
	+ * if not supported by the current RAND method, or 0 on other failure. The
	+ * error code can be obtained by ERR_get_error(3)" */
	+ if (ret == -1) {
	+ CLIENT_ERR ("secure random IV not supported: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ return false;
	+ } else if (ret == 0) {
	+ CLIENT_ERR ("failed to generate random IV: %s",
	+ ERR_error_string (ERR_get_error (), NULL));
	+ return false;
	+ }
	+ return true;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_encrypt (aes_256_args_t args)
	+{
	+ return _encrypt_with_cipher (EVP_aes_256_ctr (), args);
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_decrypt (aes_256_args_t args)
	+{
	+ return _decrypt_with_cipher (EVP_aes_256_ctr (), args);
	+}
	+
	+#endif /* MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/crypto/none.c b/mongodb-1.13.0/src/libmongocrypt/src/crypto/none.c
	new file mode 100644
	index 00000000..831cf2b3
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/crypto/none.c
	@@ -0,0 +1,87 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+/* everything is a no-op */
	+
	+#include "../mongocrypt-crypto-private.h"
	+#include "../mongocrypt-private.h"
	+
	+#ifndef MONGOCRYPT_ENABLE_CRYPTO
	+
	+bool _native_crypto_initialized = false;
	+
	+void
	+_native_crypto_init ()
	+{
	+ _native_crypto_initialized = true;
	+}
	+
	+
	+bool
	+_native_crypto_aes_256_cbc_encrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR ("hook not set for aes_256_cbc_encrypt");
	+ return false;
	+}
	+
	+
	+bool
	+_native_crypto_aes_256_cbc_decrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR ("hook not set for aes_256_cbc_decrypt");
	+ return false;
	+}
	+
	+
	+bool
	+_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *in,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ CLIENT_ERR ("hook not set for hmac_sha_512");
	+ return false;
	+}
	+
	+
	+bool
	+_native_crypto_random (_mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+{
	+ CLIENT_ERR ("hook not set for random");
	+ return false;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_encrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR ("hook not set for _native_crypto_aes_256_ctr_encrypt");
	+ return false;
	+}
	+
	+bool
	+_native_crypto_aes_256_ctr_decrypt (aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ CLIENT_ERR ("hook not set for _native_crypto_aes_256_ctr_decrypt");
	+ return false;
	+}
	+
	+#endif /* MONGOCRYPT_ENABLE_CRYPTO */
	\ No newline at end of file
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mlib/error.h b/mongodb-1.13.0/src/libmongocrypt/src/mlib/error.h
	new file mode 100644
	index 00000000..7dcb0bed
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mlib/error.h
	@@ -0,0 +1,59 @@
	+#ifndef MLIB_ERROR_PRIVATE_H
	+#define MLIB_ERROR_PRIVATE_H
	+
	+#include "./user-check.h"
	+
	+#include "./str.h"
	+
	+#ifdef _WIN32
	+#include "./windows-lean.h"
	+#else
	+#include <errno.h>
	+#endif
	+
	+/**
	+ * @brief Obtain a string containing an error message corresponding to an error
	+ * code from the host platform.
	+ *
	+ * @param errn An error code for the system. (e.g. GetLastError() on Windows)
	+ * @return mstr A new string containing the resulting error. Must be freed with
	+ * @ref mstr_free().
	+ */
	+static inline mstr
	+merror_system_error_string (int errn)
	+{
	+#ifdef _WIN32
	+ wchar_t *wbuffer = NULL;
	+ DWORD slen = FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER \|
	+ FORMAT_MESSAGE_FROM_SYSTEM \|
	+ FORMAT_MESSAGE_IGNORE_INSERTS,
	+ NULL,
	+ (DWORD) errn,
	+ 0,
	+ (LPWSTR) &wbuffer,
	+ 0,
	+ NULL);
	+ if (slen == 0) {
	+ return mstr_copy_cstr (
	+ "[Error while getting error string from FormatMessageW()]");
	+ }
	+ mstr_narrow_result narrow = mstr_win32_narrow (wbuffer);
	+ LocalFree (wbuffer);
	+ assert (narrow.error == 0);
	+ // Messages from FormatMessage contain an additional CR+LF
	+ if (mstr_ends_with (narrow.string.view, mstrv_lit ("\r\n"))) {
	+ mstr_inplace_remove_suffix (&narrow.string, 2);
	+ }
	+ return narrow.string;
	+#else
	+ errno = 0;
	+ char *const str = strerror (errn);
	+ if (errno) {
	+ return mstr_copy_cstr (
	+ "[Error while getting error string from strerror()]");
	+ }
	+ return mstr_copy_cstr (str);
	+#endif
	+}
	+
	+#endif // MLIB_ERROR_PRIVATE_H
	\ No newline at end of file
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mlib/path.h b/mongodb-1.13.0/src/libmongocrypt/src/mlib/path.h
	new file mode 100644
	index 00000000..2967f461
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mlib/path.h
	@@ -0,0 +1,379 @@
	+#ifndef MONGOCRYPT_PATH_PRIVATE_H
	+#define MONGOCRYPT_PATH_PRIVATE_H
	+
	+#include "./user-check.h"
	+
	+#include "./str.h"
	+
	+#include <inttypes.h>
	+
	+#ifndef _WIN32
	+#include <unistd.h>
	+#else
	+#include "./windows-lean.h"
	+#endif
	+
	+typedef enum mpath_format {
	+ /// The POSIX path format
	+ MPATH_POSIX = 'p',
	+ /// The Win32 path format
	+ MPATH_WIN32 = 'w',
	+ /// The native path format for the current platform
	+ MPATH_NATIVE =
	+#ifdef _WIN32
	+ MPATH_WIN32,
	+#else
	+ MPATH_POSIX,
	+#endif
	+} mpath_format;
	+
	+/**
	+ * @brief Determine if the given character is a path separator for the given
	+ * path format
	+ *
	+ * @param c A path character
	+ * @param f The path format to use
	+ */
	+static inline bool
	+mpath_is_sep (char c, mpath_format f)
	+{
	+ if (f == MPATH_WIN32) {
	+ return c == '/' \|\| c == '\\';
	+ } else {
	+ return c == '/';
	+ }
	+}
	+
	+/**
	+ * @brief Obtain the preferred path separator character for the given format
	+ */
	+static inline char
	+mpath_preferred_sep (mpath_format f)
	+{
	+ if (f == MPATH_WIN32) {
	+ return '\\';
	+ } else {
	+ return '/';
	+ }
	+}
	+
	+/**
	+ * @brief Obtain the path string denoting the application's current working
	+ * directory
	+ *
	+ * @return mstr A new string which must be freed with mstr_free()
	+ */
	+static inline mstr
	+mpath_current_path ()
	+{
	+#if _WIN32
	+ while (1) {
	+ DWORD len = GetCurrentDirectoryW (0, NULL);
	+ wchar_t *wstr = calloc (sizeof (wchar_t), len);
	+ DWORD got_len = GetCurrentDirectoryW (len, wstr);
	+ if (got_len > len) {
	+ free (wstr);
	+ continue;
	+ }
	+ mstr_narrow_result nar = mstr_win32_narrow (wstr);
	+ free (wstr);
	+ assert (nar.error == 0);
	+ return nar.string;
	+ }
	+#else
	+ mstr_mut mut = mstr_new (8096);
	+ char *p = getcwd (mut.data, mut.len);
	+ if (p == NULL) {
	+ mstr_free (mut.mstr);
	+ return MSTR_NULL;
	+ }
	+ mstr ret = mstr_copy_cstr (mut.data);
	+ mstr_free (mut.mstr);
	+ return ret;
	+#endif
	+}
	+
	+/**
	+ * @brief Determine whether the given path string has a trailing path separator
	+ */
	+static inline bool
	+mpath_has_trailing_sep (mstr_view path, mpath_format f)
	+{
	+ return path.len && mpath_is_sep (path.data[path.len - 1], f);
	+}
	+
	+/**
	+ * @brief Obtain the parent path of the given path.
	+ */
	+static inline mstr_view
	+mpath_parent (mstr_view path, mpath_format f)
	+{
	+ if (mpath_has_trailing_sep (path, f)) {
	+ // Remove trailing separators:
	+ while (mpath_has_trailing_sep (path, f)) {
	+ path = mstrv_remove_suffix (path, 1);
	+ }
	+ return path;
	+ }
	+ // Remove everything that isn't a path separator:
	+ while (path.len != 0 && !mpath_has_trailing_sep (path, f)) {
	+ path = mstrv_remove_suffix (path, 1);
	+ }
	+ // Remove trailing separators again
	+ while (path.len > 1 && mpath_has_trailing_sep (path, f)) {
	+ path = mstrv_remove_suffix (path, 1);
	+ }
	+ // The result is the parent path.
	+ return path;
	+}
	+
	+/**
	+ * @brief Obtain the filename denoted by the given path.
	+ *
	+ * The returned path will include no directory separators. If the given path
	+ * ends with a directory separator, the single-dot '.' path is returned instead.
	+ */
	+static inline mstr_view
	+mpath_filename (mstr_view path, mpath_format f)
	+{
	+ if (!path.len) {
	+ return path;
	+ }
	+ const char *it = path.data + path.len;
	+ while (it != path.data && !mpath_is_sep (it[-1], f)) {
	+ --it;
	+ }
	+ size_t off = it - path.data;
	+ mstr_view fname = mstrv_subview (path, off, path.len);
	+ if (fname.len == 0) {
	+ return mstrv_lit (".");
	+ }
	+ return fname;
	+}
	+
	+/**
	+ * @brief Join the two given paths into a single path
	+ *
	+ * The two strings will be combined into a single string with a path separator
	+ * between them. If either string is empty, the other string will be copied
	+ * without modification.
	+ *
	+ * @param base The left-hand of the join
	+ * @param suffix The right-hand of the join
	+ * @param f The path format to use
	+ * @return mstr A new string resulting from the join
	+ */
	+static inline mstr
	+mpath_join (mstr_view base, mstr_view suffix, mpath_format f)
	+{
	+ if (!base.len) {
	+ return mstr_copy (suffix);
	+ }
	+ if (mpath_has_trailing_sep (base, f)) {
	+ return mstr_append (base, suffix);
	+ }
	+ if (!suffix.len) {
	+ return mstr_copy (base);
	+ }
	+ if (mpath_is_sep (suffix.data[0], f)) {
	+ return mstr_append (base, suffix);
	+ }
	+ // We must insert a path separator between the two strings
	+ mstr_mut r = mstr_new (base.len + suffix.len + 1);
	+ char *p = r.data;
	+ memcpy (p, base.data, base.len);
	+ p += base.len;
	+ *p++ = mpath_preferred_sep (f);
	+ memcpy (p, suffix.data, suffix.len);
	+ return r.mstr;
	+}
	+
	+/**
	+ * @brief Obtain the root name for the given path.
	+ *
	+ * For the Windows format, this will return the drive letter, if present.
	+ * Otherwise, this will return an empty string.
	+ */
	+static inline mstr_view
	+mpath_root_name (mstr_view path, mpath_format f)
	+{
	+ if (f == MPATH_WIN32 && path.len > 1) {
	+ char c = path.data[0];
	+ if (path.len > 2 && path.data[1] == ':' &&
	+ ((c >= 'a' && c <= 'z') \|\| (c >= 'A' && c <= 'Z'))) {
	+ return mstrv_subview (path, 0, 2);
	+ }
	+ }
	+ return mstrv_subview (path, 0, 0);
	+}
	+
	+/**
	+ * @brief Return the root directory of the given path, if present.
	+ *
	+ * @note This will not include the drive letter of a Win32 path.
	+ */
	+static inline mstr_view
	+mpath_root_directory (mstr_view path, mpath_format f)
	+{
	+ mstr_view rname = mpath_root_name (path, f);
	+ path = mstrv_subview (path, rname.len, path.len);
	+ if (path.len && mpath_is_sep (path.data[0], f)) {
	+ return mstrv_subview (path, 0, 1);
	+ } else {
	+ return mstrv_subview (path, 0, 0);
	+ }
	+}
	+
	+/**
	+ * @brief Obtain the root filepath of the given path.
	+ *
	+ * This will include both the root name and the root filepath, if present.
	+ */
	+static inline mstr_view
	+mpath_root_path (mstr_view path, mpath_format f)
	+{
	+ mstr_view rname = mpath_root_name (path, f);
	+ mstr_view rdir = mpath_root_directory (path, f);
	+ return mstrv_subview (path, 0, rname.len + rdir.len);
	+}
	+
	+/**
	+ * @brief Determine whether the given filepath designates a single unambiguous
	+ * filesystem location.
	+ *
	+ * @note A Win32 filepath without a drive letter is not absolute!
	+ */
	+static inline bool
	+mpath_is_absolute (mstr_view path, mpath_format f)
	+{
	+ if (f == MPATH_WIN32) {
	+ // Win32 requires both a root name and a root directory for an absolute
	+ // path
	+ return mpath_root_name (path, f).len &&
	+ mpath_root_directory (path, f).len;
	+ } else {
	+ // POSIX doesn't have "root names"
	+ return mpath_root_directory (path, f).len;
	+ }
	+}
	+
	+/**
	+ * @brief Obtain a relative path from the given filepath
	+ *
	+ * If the path has a root path, returns the content of the path following that
	+ * root path, otherwise returns the same path itself.
	+ */
	+static inline mstr_view
	+mpath_relative_path (mstr_view path, mpath_format f)
	+{
	+ mstr_view root = mpath_root_path (path, f);
	+ return mstrv_subview (path, root.len, path.len);
	+}
	+
	+/**
	+ * @brief Convert the filepath from one format to a preferred form in another
	+ * format.
	+ *
	+ * @note The return value must be freed with mstr_free()
	+ */
	+static inline mstr
	+mpath_to_format (mpath_format from, mstr_view path, mpath_format to)
	+{
	+ mstr_mut ret = mstr_new (path.len);
	+ const char *p = path.data;
	+ char *out = ret.data;
	+ const char *stop = path.data + path.len;
	+ for (; p != stop; ++p, ++out) {
	+ if (mpath_is_sep (*p, from)) {
	+ *out = mpath_preferred_sep (to);
	+ } else {
	+ out = p;
	+ }
	+ }
	+ return ret.mstr;
	+}
	+
	+/**
	+ * @brief Determine whether the given path is relative (not absolute)
	+ */
	+static inline bool
	+mpath_is_relative (mstr_view path, mpath_format f)
	+{
	+ return !mpath_is_absolute (path, f);
	+}
	+
	+/**
	+ * @brief Convert the given path to an absolute path, if it is not already.
	+ *
	+ * @note The return value must be freed with mstr_free()
	+ */
	+static inline mstr
	+mpath_absolute (mstr_view path, mpath_format f);
	+
	+/**
	+ * @brief Resolve a path to an absolute path from the given base path.
	+ *
	+ * @note This is not the same as mpath_join(): If the given path is already
	+ * absolute, returns that path unchanged. Otherwise, resolves that path as being
	+ * relative to `base`.
	+ *
	+ * @note If `base` is also a relative path, it will also be given to
	+ * mpath_absolute() to resolve it.
	+ */
	+static inline mstr
	+mpath_absolute_from (mstr_view path, mstr_view base, mpath_format f)
	+{
	+ mstr_view rname = mpath_root_name (path, f);
	+ mstr_view rdir = mpath_root_directory (path, f);
	+ if (rname.len) {
	+ if (rdir.len) {
	+ // The path is already fully absolute
	+ return mstr_copy (path);
	+ } else {
	+ mstr abs_base = mpath_absolute (base, f);
	+ mstr_view base_rdir = mpath_root_directory (abs_base.view, f);
	+ mstr_view base_relpath = mpath_relative_path (abs_base.view, f);
	+ mstr_view relpath = mpath_relative_path (path, f);
	+ mstr ret = mstr_copy (rname);
	+ mstr_assign (&ret, mpath_join (ret.view, base_rdir, f));
	+ mstr_assign (&ret, mpath_join (ret.view, base_relpath, f));
	+ mstr_assign (&ret, mpath_join (ret.view, relpath, f));
	+ mstr_free (abs_base);
	+ return ret;
	+ }
	+ } else {
	+ // No root name
	+ if (rdir.len) {
	+ if (f == MPATH_POSIX) {
	+ // No root name, but a root directory on a POSIX path indicates an
	+ // absolute path
	+ return mstr_copy (path);
	+ }
	+ mstr abs_base = mpath_absolute (base, f);
	+ mstr_view base_rname = mpath_root_name (abs_base.view, f);
	+ mstr ret = mpath_join (base_rname, path, f);
	+ mstr_free (abs_base);
	+ return ret;
	+ } else {
	+ mstr abs_base = mpath_absolute (base, f);
	+ mstr r = mpath_join (abs_base.view, path, f);
	+ mstr_free (abs_base);
	+ return r;
	+ }
	+ }
	+}
	+
	+static inline mstr
	+mpath_absolute (mstr_view path, mpath_format f)
	+{
	+ if (mpath_is_absolute (path, f)) {
	+ return mstr_copy (path);
	+ }
	+ mstr cur = mpath_current_path ();
	+ mstr ret = mpath_absolute_from (path, cur.view, MPATH_NATIVE);
	+ mstr_assign (&ret, mpath_to_format (MPATH_NATIVE, ret.view, f));
	+ mstr_free (cur);
	+ return ret;
	+}
	+
	+#endif // MONGOCRYPT_PATH_PRIVATE_H
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mlib/str.h b/mongodb-1.13.0/src/libmongocrypt/src/mlib/str.h
	new file mode 100644
	index 00000000..33b4fb62
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mlib/str.h
	@@ -0,0 +1,922 @@
	+#ifndef MONGOCRYPT_STR_PRIVATE_H
	+#define MONGOCRYPT_STR_PRIVATE_H
	+
	+#include "./user-check.h"
	+
	+#include <stdlib.h>
	+#include <string.h>
	+#include <assert.h>
	+#include <stddef.h>
	+#include <stdio.h>
	+#include <inttypes.h>
	+#include <stdbool.h>
	+
	+/**
	+ * @brief A simple non-owning string-view type.
	+ *
	+ * The viewed string can be treated as an array of char. It's pointed-to data
	+ * must not be freed or manipulated.
	+ *
	+ * @note The viewed string is NOT guaranteed to be null-terminated. It WILL
	+ * be null-terminated if: Directly created from a string literal via
	+ * @ref mstrv_lit, OR created by accessing the @ref mstr::view member of an
	+ * @ref mstr object, OR returned from @ref mstrv_view_cstr.
	+ */
	+typedef struct mstr_view {
	+ /**
	+ * @brief Pointer to the beginning of the code unit array.
	+ *
	+ * @note DO NOT MODIFY
	+ */
	+ const char *data;
	+ /**
	+ * @brief Length of the pointed-to code unit array
	+ *
	+ * @note DO NOT MODIFY
	+ */
	+ size_t len;
	+} mstr_view;
	+
	+/**
	+ * @brief A simple string utility type.
	+ *
	+ * This string type has the following semantics:
	+ *
	+ * The member `data` is a pointer to the beginning of a read-only array of code
	+ * units. This array will always be null-terminated, but MAY contain
	+ * intermittent null characters. The member `len` is the length of the code unit
	+ * array (not including the null terminator). These two members should not be
	+ * modified.
	+ *
	+ * The `view` member is a union member that will view the `mstr` as an
	+ * @ref mstr_view.
	+ *
	+ * If you create an @ref mstr, it MUST eventually be passed to @ref mstr_free()
	+ *
	+ * The pointed-to code units of an mstr are immutable. To initialize the
	+ * contents of an mstr, @ref mstr_new returns an @ref mstr_mut, which can then
	+ * be "sealed" by converting it to an @ref mstr through the @ref mstr_mut::mstr
	+ * union member.
	+ *
	+ * By convention, passing/returning an `mstr` to/from a function should
	+ * relinquish ownership of that `mstr` to the callee/caller, respectively.
	+ * Passing or returning an `mstr_view` is non-owning.
	+ */
	+typedef struct mstr {
	+ union {
	+ struct {
	+ /**
	+ * @brief Pointer to the beginning of the code unit array.
	+ *
	+ * @note DO NOT MODIFY
	+ */
	+ const char *data;
	+ /**
	+ * @brief Length of the pointed-to code unit array
	+ *
	+ * @note DO NOT MODIFY
	+ */
	+ size_t len;
	+ };
	+ /**
	+ * @brief A non-owning `mstr_view` of the string
	+ */
	+ mstr_view view;
	+ };
	+} mstr;
	+
	+/**
	+ * @brief An interface for initializing the contents of an mstr.
	+ *
	+ * Returned by @ref mstr_new(). Once initialization is complete, the result can
	+ * be used as an @ref mstr by accessing the @ref mstr_mut::mstr member.
	+ */
	+typedef struct mstr_mut {
	+ union {
	+ struct {
	+ /**
	+ * @brief Pointer to the beginning of the mutable code unit array.
	+ *
	+ * @note DO NOT MODIFY THE POINTER VALUE. Only modify the pointed-to
	+ * characters.
	+ */
	+ char *data;
	+ /**
	+ * @brief Length of the pointed-to code unit array.
	+ *
	+ * @note DO NOT MODIFY
	+ */
	+ size_t len;
	+ };
	+ /// Convert the mutable string to an immutable string
	+ struct mstr mstr;
	+ /// Convert the mutable string to an immutable string view
	+ mstr_view view;
	+ };
	+} mstr_mut;
	+
	+/**
	+ * @brief A null @ref mstr
	+ */
	+#define MSTR_NULL ((mstr){{{.data = NULL, .len = 0}}})
	+/**
	+ * @brief A null @ref mstr_view
	+ */
	+#define MSTRV_NULL ((mstr_view){.data = NULL, .len = 0})
	+
	+/**
	+ * @brief Create an @ref mstr_view that views the given string literal
	+ */
	+#define mstrv_lit(String) (mstrv_view_data (String "", (sizeof String) - 1))
	+
	+/**
	+ * @brief Create a new mutable code-unit array of the given length,
	+ * zero-initialized. The caller can then modify the code units in the array via
	+ * the @ref mstr_mut::data member. Once finished modifying, can be converted to
	+ * an immutable mstr by copying the @ref mtsr_mut::mstr union member.
	+ *
	+ * @param len The length of the new string.
	+ * @return mstr_mut A new mstr_mut
	+ *
	+ * @note The @ref mstr_mut::mstr member MUST eventually be given to
	+ * @ref mstr_free().
	+ */
	+static inline mstr_mut
	+mstr_new (size_t len)
	+{
	+#ifndef __clang_analyzer__
	+ return (mstr_mut){{{.data = calloc (1, len + 1), .len = len}}};
	+#else
	+ // Clang-analyzer is smart enough to see the calloc(), but not smart enough
	+ // to link it to the free() in mstr_free()
	+ return (mstr_mut){};
	+#endif
	+}
	+
	+/**
	+ * @brief Create a non-owning @ref mstr_view from the given C string and length
	+ *
	+ * @param s A pointer to the beginning of a character array.
	+ * @param len The length of the character array, in code units
	+ * @return mstr_view A non-owning string.
	+ */
	+static inline mstr_view
	+mstrv_view_data (const char *s, size_t len)
	+{
	+ return (mstr_view){.data = s, .len = len};
	+}
	+
	+/**
	+ * @brief Create a non-owning @ref mstr_view from a C-style null-terminated
	+ * string.
	+ *
	+ * @param s A pointer to a null-terminated character array
	+ * @return mstr_view A view of the pointed-to string
	+ */
	+static inline mstr_view
	+mstrv_view_cstr (const char *s)
	+{
	+ return mstrv_view_data (s, strlen (s));
	+}
	+
	+/**
	+ * @brief Create an @ref mstr from the given character array and length.
	+ *
	+ * @param s A pointer to a character array
	+ * @param len The length of the string to create
	+ * @return mstr A new null-terminated string with the contents copied from the
	+ * pointed-to array.
	+ *
	+ * @note The resulting string will be null-terminated.
	+ */
	+static inline mstr
	+mstr_copy_data (const char *s, size_t len)
	+{
	+ mstr_mut r = mstr_new (len);
	+ memcpy (r.data, s, len);
	+ return r.mstr;
	+}
	+
	+/**
	+ * @brief Create an @ref mstr from A C-style null-terminated string.
	+ *
	+ * @param s A pointer to a null-terminated character array
	+ * @return mstr A new string copied from the pointed-to string
	+ */
	+static inline mstr
	+mstr_copy_cstr (const char *s)
	+{
	+ return mstr_copy_data (s, strlen (s));
	+}
	+
	+/**
	+ * @brief Copy the contents of the given string view
	+ *
	+ * @param s A string view to copy from
	+ * @return mstr A new string copied from the given view
	+ */
	+static inline mstr
	+mstr_copy (mstr_view s)
	+{
	+ return mstr_copy_data (s.data, s.len);
	+}
	+
	+/**
	+ * @brief Free the resources of the given string
	+ *
	+ * @param s The string to free
	+ */
	+static inline void
	+mstr_free (mstr s)
	+{
	+ free ((char *) s.data);
	+}
	+
	+/**
	+ * @brief Resize the given mutable string, maintaining the existing content, and
	+ * zero-initializing any added characters.
	+ *
	+ * @param s The @ref mstr_mut to update
	+ * @param new_len The new length of the string
	+ */
	+static inline void
	+mstrm_resize (mstr_mut *s, size_t new_len)
	+{
	+ if (new_len <= s->len) {
	+ s->len = new_len;
	+ } else {
	+ const size_t old_len = s->len;
	+#ifndef __clang_analyzer__
	+ // Clang-analyzer is smart enough to see the calloc(), but not smart
	+ // enough to link it to the free() in mstr_free()
	+ s->data = realloc ((char *) s->data, new_len + 1);
	+#endif
	+ s->len = new_len;
	+ memset (s->data + old_len, 0, new_len - old_len);
	+ }
	+ s->data[new_len] = (char) 0;
	+}
	+
	+/**
	+ * @brief Free and re-assign the given @ref mstr
	+ *
	+ * @param s Pointer to an @ref mstr. This will be freed, then updated to the
	+ * value of @ref from
	+ * @param from An @ref mstr to take from.
	+ *
	+ * @note Ownership of the resource is handed to the pointed-to @ref s.
	+ * Equivalent to:
	+ *
	+ * ```c
	+ * mstr s = some_mstr();
	+ * mstr another = get_another_mstr();
	+ * mstr_free(s);
	+ * s = another;
	+ * ```
	+ *
	+ * Intended as a convenience for rebinding an @ref mstr in a single statement
	+ * from an expression returning a new @ref mstr, which may itself use @ref s,
	+ * without requiring a temporary variable, for example:
	+ *
	+ * ```c
	+ * mstr s = get_mstr();
	+ * mstr_assign(&s, convert_to_uppercase(s.view));
	+ * ```
	+ */
	+static inline void
	+mstr_assign (mstr *s, mstr from)
	+{
	+ mstr_free (*s);
	+ *s = from;
	+}
	+
	+/**
	+ * @brief Find the index of the first occurrence of the given "needle" as a
	+ * substring of another string.
	+ *
	+ * @param given A string to search within
	+ * @param needle The substring to search for
	+ * @return int The zero-based index of the first instance of `needle` in
	+ * `given`, or -1 if no substring is found.
	+ */
	+static inline int
	+mstr_find (mstr_view given, mstr_view needle)
	+{
	+ const char *const scan_end = given.data + given.len;
	+ const char *const needle_end = needle.data + needle.len;
	+ for (const char *scan = given.data; scan != scan_end; ++scan) {
	+ size_t remain = scan_end - scan;
	+ if (remain < needle.len) {
	+ break;
	+ }
	+ const char *subscan = scan;
	+ for (const char *nscan = needle.data; nscan != needle_end;
	+ ++nscan, ++subscan) {
	+ if (nscan == subscan) {
	+ continue;
	+ } else {
	+ goto skip;
	+ }
	+ }
	+ // Got through the whole loop of scanning the needle
	+ return (int) (scan - given.data);
	+ skip:
	+ (void) 0;
	+ }
	+ return -1;
	+}
	+
	+/**
	+ * @brief Find the index of the last occurrence of the given "needle" as a
	+ * substring of another string.
	+ *
	+ * @param given A string to search within
	+ * @param needle The substring to search for
	+ * @return int The zero-based index of the last instance of `needle` in
	+ * `given`, or -1 if no substring is found.
	+ */
	+static inline int
	+mstr_rfind (mstr_view given, mstr_view needle)
	+{
	+ if (needle.len > given.len) {
	+ return -1;
	+ }
	+ const char *scan = given.data + given.len - needle.len;
	+ const char *const needle_end = needle.data + needle.len;
	+ for (; scan >= given.data; --scan) {
	+ const char *subscan = scan;
	+ for (const char *nscan = needle.data; nscan != needle_end;
	+ ++nscan, ++subscan) {
	+ if (nscan == subscan) {
	+ continue;
	+ } else {
	+ goto skip;
	+ }
	+ }
	+ // Got through the whole loop of scanning the needle
	+ return (int) (scan - given.data);
	+ skip:
	+ (void) 0;
	+ }
	+ return -1;
	+}
	+
	+/**
	+ * @brief Modify a string by deleting and/or inserting another string.
	+ *
	+ * @param s The string to modify
	+ * @param at The position at which to insert and delete characters
	+ * @param del_count The number of characters to delete. Clamped to the string
	+ * length.
	+ * @param insert The string to insert at `at`.
	+ * @return mstr A new string that is the result of the splice
	+ */
	+static inline mstr
	+mstr_splice (mstr_view s, size_t at, size_t del_count, mstr_view insert)
	+{
	+ assert (at <= s.len);
	+ const size_t remain = s.len - at;
	+ if (del_count > remain) {
	+ del_count = remain;
	+ }
	+ const size_t new_size = s.len - del_count + insert.len;
	+ mstr_mut ret = mstr_new (new_size);
	+ char *p = ret.data;
	+ memcpy (p, s.data, at);
	+ p += at;
	+ if (insert.data) {
	+ memcpy (p, insert.data, insert.len);
	+ p += insert.len;
	+ }
	+ memcpy (p, s.data + at + del_count, s.len - at - del_count);
	+ return ret.mstr;
	+}
	+
	+/**
	+ * @brief Append the given suffix to the given string
	+ */
	+static inline mstr
	+mstr_append (mstr_view s, mstr_view suffix)
	+{
	+ return mstr_splice (s, s.len, 0, suffix);
	+}
	+
	+/**
	+ * @brief Prepend the given prefix to the given string
	+ */
	+static inline mstr
	+mstr_prepend (mstr_view s, mstr_view prefix)
	+{
	+ return mstr_splice (s, 0, 0, prefix);
	+}
	+
	+/**
	+ * @brief Insert the given string into another string
	+ *
	+ * @param s The string to start with
	+ * @param at The position in `s` where `infix` will be inserted
	+ * @param infix The string to insert into `s`
	+ * @return mstr A new string with `infix` inserted
	+ */
	+static inline mstr
	+mstr_insert (mstr_view s, size_t at, mstr_view infix)
	+{
	+ return mstr_splice (s, at, 0, infix);
	+}
	+
	+/**
	+ * @brief Erase characters from the given string
	+ *
	+ * @param s The string to start with
	+ * @param at The position at which to begin deleting characters
	+ * @param count The number of characters to remove
	+ * @return mstr A new string with the deletion result.
	+ */
	+static inline mstr
	+mstr_erase (mstr_view s, size_t at, size_t count)
	+{
	+ return mstr_splice (s, at, count, mstrv_view_cstr (""));
	+}
	+
	+/**
	+ * @brief Erase `len` characters from the beginning of the string
	+ */
	+static inline mstr
	+mstr_remove_prefix (mstr_view s, size_t len)
	+{
	+ return mstr_erase (s, 0, len);
	+}
	+
	+/**
	+ * @brief Erase `len` characters from the end of the string
	+ */
	+static inline mstr
	+mstr_remove_suffix (mstr_view s, size_t len)
	+{
	+ return mstr_erase (s, s.len - len, len);
	+}
	+
	+/**
	+ * @brief Obtain a substring of the given string
	+ *
	+ * @param s The string to start with
	+ * @param at The beginning position of the new string
	+ * @param len The number of characters to include. Automatically clamped to the
	+ * remaining length.
	+ * @return mstr A new string that is a substring of `s`
	+ */
	+static inline mstr
	+mstr_substr (mstr_view s, size_t at, size_t len)
	+{
	+ assert (at <= s.len);
	+ const size_t remain = s.len - at;
	+ if (len > remain) {
	+ len = remain;
	+ }
	+ mstr_mut r = mstr_new (len);
	+ memcpy (r.data, s.data + at, len);
	+ return r.mstr;
	+}
	+
	+/**
	+ * @brief Obtain a view of a substring of another string.
	+ *
	+ * @param s The string to view
	+ * @param at The position at which the new view will begin
	+ * @param len The number of characters to view. Automatically clamped to the
	+ * remaining length.
	+ * @return mstr_view A view of `s`.
	+ */
	+static inline mstr_view
	+mstrv_subview (mstr_view s, size_t at, size_t len)
	+{
	+ assert (at <= s.len);
	+ const size_t remain = s.len - at;
	+ if (len > remain) {
	+ len = remain;
	+ }
	+ return (mstr_view){.data = s.data + at, .len = len};
	+}
	+
	+/**
	+ * @brief Obtain a view of another string by removing `len` characters from the
	+ * front
	+ */
	+static inline mstr_view
	+mstrv_remove_prefix (mstr_view s, size_t len)
	+{
	+ return mstrv_subview (s, len, s.len);
	+}
	+
	+/**
	+ * @brief Obtain a view of another string by removing `len` characters from the
	+ * end.
	+ */
	+static inline mstr_view
	+mstrv_remove_suffix (mstr_view s, size_t len)
	+{
	+ return mstrv_subview (s, 0, s.len - len);
	+}
	+
	+/**
	+ * @brief Truncate the given string to `new_len` characters.
	+ *
	+ * @param s The string to truncate
	+ * @param new_len The new length of the string
	+ * @return mstr A new string copied from the beginning of `s`
	+ */
	+static inline mstr
	+mstr_trunc (mstr_view s, size_t new_len)
	+{
	+ assert (new_len <= s.len);
	+ return mstr_remove_suffix (s, s.len - new_len);
	+}
	+
	+/**
	+ * @brief Obtain a new string with all occurrences of a string replaced with a
	+ * different string
	+ *
	+ * @param string The string to start with
	+ * @param find The substring that will be replaced
	+ * @param subst The string to insert in place of `find`
	+ * @return mstr A new string modified from `string`
	+ *
	+ * @note If `find` is empty, returns a copy of `string`
	+ */
	+static inline mstr
	+mstr_replace (const mstr_view string,
	+ const mstr_view find,
	+ const mstr_view subst)
	+{
	+ if (find.len == 0) {
	+ // Finding an empty string would loop forever
	+ return mstr_copy (string);
	+ }
	+ // First copy the string
	+ mstr ret = mstr_copy (string);
	+ // Keep an index of how far we have processed
	+ size_t whence = 0;
	+ for (;;) {
	+ // Chop off the front that has already been processed
	+ mstr_view tail = mstrv_subview (ret.view, whence, ~0);
	+ // Find where in that tail is the next needle
	+ int pos = mstr_find (tail, find);
	+ if (pos == -1) {
	+ // We're done
	+ break;
	+ }
	+ // Do the replacement
	+ mstr_assign (
	+ &ret, mstr_splice (ret.view, (size_t) pos + whence, find.len, subst));
	+ // Advance our position by how many chars we skipped and how many we
	+ // inserted
	+ whence += pos + subst.len;
	+ }
	+ return ret;
	+}
	+
	+/**
	+ * @brief Determine whether two strings are equivalent.
	+ */
	+static inline bool
	+mstr_eq (mstr_view left, mstr_view right)
	+{
	+ if (left.len != right.len) {
	+ return false;
	+ }
	+ return memcmp (left.data, right.data, left.len) == 0;
	+}
	+
	+/// Determine whether the given character is an printable ASCII codepoint
	+static inline bool
	+mstr_is_printable (char c)
	+{
	+ return (c >= ' ' && c <= '~');
	+}
	+
	+/// Write the given string to `out`, rendering non-printable characters as hex
	+/// escapes
	+static inline void
	+_mstr_write_str_repr_ (FILE *out, mstr_view s)
	+{
	+ for (char const *it = s.data; it != s.data + s.len; ++it) {
	+ if (mstr_is_printable (*it)) {
	+ fputc (*it, out);
	+ } else {
	+ fprintf (out, "\\x%.2x", (unsigned) (unsigned char) *it);
	+ }
	+ }
	+}
	+
	+static inline void
	+_mstr_assert_fail_ (mstr_view left,
	+ const char *predicate,
	+ mstr_view right,
	+ const char *file,
	+ int line)
	+{
	+ fprintf (stderr, "%s:%d: ASSERTION FAILED: \"", file, line);
	+ _mstr_write_str_repr_ (stderr, left);
	+ fprintf (stderr, "\" %s \"", predicate);
	+ _mstr_write_str_repr_ (stderr, right);
	+ fprintf (stderr, "\"\n");
	+ abort ();
	+}
	+
	+static inline void
	+_mstr_assert_ (mstr_view left,
	+ mstr_view right,
	+ bool (*pred) (mstr_view left, mstr_view right),
	+ bool B,
	+ const char *pred_str,
	+ const char *file,
	+ int line)
	+{
	+ if (pred (left, right) != B) {
	+ mstr pstr = mstr_copy_cstr (pred_str);
	+ if (!B) {
	+ mstr_assign (&pstr, mstr_prepend (pstr.view, mstrv_lit ("not ")));
	+ }
	+ _mstr_assert_fail_ (left, pstr.data, right, file, line);
	+ }
	+}
	+
	+#define MSTR_ASSERT(Bool, Left, Pred, Right) \
	+ (_mstr_assert_ ( \
	+ (Left), (Right), mstr_##Pred, (Bool), #Pred, __FILE__, __LINE__))
	+
	+/**
	+ * @brief Assert that two strings are equivalent.
	+ *
	+ * Prints and error message and aborts if they are not
	+ */
	+#define MSTR_ASSERT_EQ(Left, Right) MSTR_ASSERT (true, Left, eq, Right)
	+
	+/**
	+ * @brief Determine whether the given string contains the given substring
	+ *
	+ * @param given A string to search within
	+ * @param needle A substring to search for
	+ * @return true If `given` contains at least one occurrence of `needle`
	+ * @return false Otherwise
	+ */
	+static inline bool
	+mstr_contains (mstr_view given, mstr_view needle)
	+{
	+ return mstr_find (given, needle) >= 0;
	+}
	+
	+/**
	+ * @brief Determine whether `given` starts with `prefix`
	+ */
	+static inline bool
	+mstr_starts_with (mstr_view given, mstr_view prefix)
	+{
	+ given = mstrv_subview (given, 0, prefix.len);
	+ return mstr_eq (given, prefix);
	+}
	+
	+/**
	+ * @brief Determine whether `given` ends with `suffix`
	+ */
	+static inline bool
	+mstr_ends_with (mstr_view given, mstr_view suffix)
	+{
	+ if (suffix.len > given.len) {
	+ return false;
	+ }
	+ given = mstrv_subview (given, given.len - suffix.len, ~0);
	+ return mstr_eq (given, suffix);
	+}
	+
	+/// Compound in-place version of @ref mstr_splice
	+static inline void
	+mstr_inplace_splice (mstr *s, size_t at, size_t del_count, mstr_view insert)
	+{
	+ mstr_assign (s, mstr_splice (s->view, at, del_count, insert));
	+}
	+
	+/// Compound in-place version of @ref mstr_append
	+static inline void
	+mstr_inplace_append (mstr *s, mstr_view suffix)
	+{
	+ mstr_assign (s, mstr_append (s->view, suffix));
	+}
	+
	+/// Compound in-place version of @ref mstr_prepend
	+static inline void
	+mstr_inplace_prepend (mstr *s, mstr_view prefix)
	+{
	+ mstr_assign (s, mstr_prepend (s->view, prefix));
	+}
	+
	+/// Compound in-place version of @ref mstr_insert
	+static inline void
	+mstr_inplace_insert (mstr *s, size_t at, mstr_view infix)
	+{
	+ mstr_assign (s, mstr_insert (s->view, at, infix));
	+}
	+
	+/// Compound in-place version of @ref mstr_erase
	+static inline void
	+mstr_inplace_erase (mstr *s, size_t at, size_t count)
	+{
	+ mstr_assign (s, mstr_erase (s->view, at, count));
	+}
	+
	+/// Compound in-place version of @ref mstr_remove_prefix
	+static inline void
	+mstr_inplace_remove_prefix (mstr *s, size_t len)
	+{
	+ mstr_assign (s, mstr_remove_prefix (s->view, len));
	+}
	+
	+/// Compound in-place version of @ref mstr_remove_suffix
	+static inline void
	+mstr_inplace_remove_suffix (mstr *s, size_t len)
	+{
	+ mstr_assign (s, mstr_remove_suffix (s->view, len));
	+}
	+
	+/// Compound in-place version of @ref mstr_substr
	+static inline void
	+mstr_inplace_substr (mstr *s, size_t at, size_t count)
	+{
	+ mstr_assign (s, mstr_substr (s->view, at, count));
	+}
	+
	+/// Compound in-place version of @ref mstr_trunc
	+static inline void
	+mstr_inplace_trunc (mstr *s, size_t new_len)
	+{
	+ mstr_assign (s, mstr_trunc (s->view, new_len));
	+}
	+
	+/// Compound in-place version of @ref mstr_replace
	+static inline void
	+mstr_inplace_replace (mstr *s, mstr_view find, mstr_view subst)
	+{
	+ mstr_assign (s, mstr_replace (s->view, find, subst));
	+}
	+
	+#ifdef _WIN32
	+#include "./windows-lean.h"
	+/**
	+ * @brief The result type of mstr_win32_widen
	+ */
	+typedef struct mstr_widen_result {
	+ wchar_t *wstring;
	+ int error;
	+} mstr_widen_result;
	+
	+/**
	+ * @brief Widen a UTF-8 string using Win32 MultiBytetoWideChar
	+ *
	+ * @param str The UTF-8 string to widen.
	+ * @return mstr_widen_result The result of widening, which may contain an error.
	+ *
	+ * @note The returned @ref mstr_widen_result::wstring must be given to free()
	+ */
	+static inline mstr_widen_result
	+mstr_win32_widen (mstr_view str)
	+{
	+ int length = MultiByteToWideChar (
	+ CP_UTF8, MB_ERR_INVALID_CHARS, str.data, (int) str.len, NULL, 0);
	+ if (length == 0 && str.len != 0) {
	+ return (mstr_widen_result){.wstring = NULL, .error = GetLastError ()};
	+ }
	+ wchar_t *ret = calloc (length + 1, sizeof (wchar_t));
	+ int got_length = MultiByteToWideChar (
	+ CP_UTF8, MB_ERR_INVALID_CHARS, str.data, (int) str.len, ret, length + 1);
	+ assert (got_length == length);
	+ return (mstr_widen_result){.wstring = ret, .error = 0};
	+}
	+
	+/**
	+ * @brief The result type of mstr_win32_narrow
	+ */
	+typedef struct mstr_narrow_result {
	+ mstr string;
	+ int error;
	+} mstr_narrow_result;
	+
	+/**
	+ * @brief Narrow a UTF-16 string to UTF-8 using Win32 WideCharToMultiByte
	+ *
	+ * @param wstring A null-terminated UTF-16 string to narrow
	+ * @return mstr_narrow_result The result of narrowing, which may contain an
	+ * error.
	+ *
	+ * @note The returned @ref mstr_narrow_result::string must be freed with
	+ * mstr_free()
	+ */
	+static inline mstr_narrow_result
	+mstr_win32_narrow (const wchar_t *wstring)
	+{
	+ int length = WideCharToMultiByte (CP_UTF8,
	+ WC_ERR_INVALID_CHARS,
	+ wstring,
	+ -1 /* wstring is null-terminated */,
	+ NULL,
	+ 0,
	+ NULL,
	+ NULL);
	+ if (length == 0 && wstring[0] != 0) {
	+ return (mstr_narrow_result){.string = MSTR_NULL,
	+ .error = GetLastError ()};
	+ }
	+ mstr_mut ret = mstr_new ((size_t) length);
	+ int got_len = WideCharToMultiByte (CP_UTF8,
	+ WC_ERR_INVALID_CHARS,
	+ wstring,
	+ -1,
	+ ret.data,
	+ (int) ret.len,
	+ NULL,
	+ NULL);
	+ assert (length == got_len);
	+ return (mstr_narrow_result){.string = ret.mstr, .error = 0};
	+}
	+#endif
	+
	+/// Iteration state for string splitting
	+struct _mstr_split_iter_ {
	+ /// What hasn't been parsed yet
	+ mstr_view remaining;
	+ /// The current part
	+ mstr_view part;
	+ /// The string that we split on
	+ mstr_view splitter;
	+ /// A once-var for the inner loop. Set to 1 by iter_next, then decremented
	+ int once;
	+ /// The loop state. Starts at zero. Set to one when we part the final split.
	+ /// Set to two to break out of the loop.
	+ int state;
	+};
	+
	+/// Hidden function to advance a string-split iterator
	+static inline void
	+_mstr_split_iter_next_ (struct _mstr_split_iter_ *iter)
	+{
	+ if (iter->once == 1) {
	+ // We only get here if the loop body hit a 'break', skipping the decrement
	+ // of the 'once'. Break out of the whole loop, as the user expects.
	+ iter->state = 2;
	+ return;
	+ }
	+ if (iter->state == 1) {
	+ // We just completed the final loop pass.
	+ iter->state = 2;
	+ return;
	+ }
	+ // Find the next occurence of the token
	+ const int pos = mstr_find (iter->remaining, iter->splitter);
	+ if (pos < 0) {
	+ // There are no more occurences. yield the remaining string
	+ iter->part = iter->remaining;
	+ iter->remaining = mstrv_subview (iter->remaining, iter->remaining.len, 0);
	+ // Set state to 1 to break on the next pass
	+ iter->state = 1;
	+ } else {
	+ // Advance our parts:
	+ iter->part = mstrv_subview (iter->remaining, 0, pos);
	+ iter->remaining =
	+ mstrv_subview (iter->remaining, pos + iter->splitter.len, ~0);
	+ }
	+ // Prime the inner "loop" to execute once
	+ iter->once = 1;
	+}
	+
	+/// init a new split iterator
	+static inline struct _mstr_split_iter_
	+_mstr_split_iter_begin_ (mstr_view str, mstr_view split)
	+{
	+ struct _mstr_split_iter_ iter = {.remaining = str, .splitter = split};
	+ _mstr_split_iter_next_ (&iter);
	+ return iter;
	+}
	+
	+/// Check whether we are done iterating
	+static inline bool
	+_mstr_split_iter_done_ (struct _mstr_split_iter_ *iter)
	+{
	+ return iter->state == 2;
	+}
	+
	+// clang-format off
	+#define MSTR_ITER_SPLIT(LineVar, String, SplitToken) \
	+ /* Open the main outer loop */ \
	+ for (/* Declare an init the iterator */ \
	+ struct _mstr_split_iter_ _iter_var_ = \
	+ _mstr_split_iter_begin_ ((String), (SplitToken)); \
	+ /* Iterate until it is marked as done */ \
	+ !_mstr_split_iter_done_ (&_iter_var_); \
	+ _mstr_split_iter_next_ (&_iter_var_)) \
	+ /* This inner loop will only execute once, but gives us */ \
	+ /* a point to declare the loop variable: */ \
	+ for (mstr_view LineVar = _iter_var_.part; \
	+ _iter_var_.once; \
	+ --_iter_var_.once)
	+// clang-format on
	+
	+#endif // MONGOCRYPT_STR_PRIVATE_H
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mlib/thread.h b/mongodb-1.13.0/src/libmongocrypt/src/mlib/thread.h
	new file mode 100644
	index 00000000..d93fa345
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mlib/thread.h
	@@ -0,0 +1,88 @@
	+#ifndef MLIB_THREAD_H
	+#define MLIB_THREAD_H
	+
	+#include "./user-check.h"
	+
	+#ifdef _WIN32
	+#include "./windows-lean.h"
	+#else
	+#include <pthread.h>
	+#endif
	+
	+#include <stdbool.h>
	+
	+/**
	+ * @brief A status object for @ref mlib_call_once.
	+ */
	+typedef struct mlib_once_flag {
	+#ifdef _WIN32
	+ INIT_ONCE _native;
	+#else
	+ pthread_once_t _native;
	+#endif
	+} mlib_once_flag;
	+
	+/**
	+ * @brief A literal initializer suitable for static initializing an
	+ * @ref mlib_once_flag object. Can also be used to dynamically initialize or
	+ * "reset" a flag.
	+ */
	+#ifdef _WIN32
	+#define MLIB_ONCE_INITIALIZER \
	+ { \
	+ ._native = INIT_ONCE_STATIC_INIT \
	+ }
	+#else
	+#define MLIB_ONCE_INITIALIZER \
	+ { \
	+ ._native = PTHREAD_ONCE_INIT \
	+ }
	+#endif
	+
	+/**
	+ * @brief The type of an mlib_call_once callback function.
	+ */
	+typedef void (*mlib_init_once_fn_t) (void);
	+
	+#if _WIN32
	+/**
	+ * An indirection layer for mlib_once on Windows platforms. Do not use directly.
	+ */
	+static inline BOOL WINAPI
	+_mlib_win32_once_callthru (PINIT_ONCE once, PVOID param, PVOID *ctx)
	+{
	+ (void) once;
	+ (void) ctx;
	+ mlib_init_once_fn_t *fn = param;
	+ (*fn) ();
	+ return TRUE;
	+}
	+#endif
	+
	+/**
	+ * @brief Perform thread-safe call-once semantics.
	+ *
	+ * For each thread that calls with the same given flag, no thread shall return
	+ * from this function until the flag is in the "finished" state. If a thread
	+ * class this function with a "non-finished" flag object, then that thread MIGHT
	+ * execute the passed pointed-to function. Once any thread fully executes the
	+ * function for the flag, the flag is marked as "finished".
	+ *
	+ * @param flag A once-state flag. Should have been initialized by @ref
	+ * MLIB_ONCE_INITIALIZER.
	+ * @param fn A callback to execute if the flag is not in the "finished" state
	+ * @return true on success, false otherwise
	+ */
	+static inline bool
	+mlib_call_once (mlib_once_flag *flag, mlib_init_once_fn_t fn)
	+{
	+#ifdef _WIN32
	+ bool okay = InitOnceExecuteOnce (
	+ &flag->_native, &_mlib_win32_once_callthru, &fn, NULL);
	+ return okay;
	+#else
	+ return pthread_once (&flag->_native, fn) == 0;
	+#endif
	+}
	+
	+#endif // MLIB_THREAD_H
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mlib/user-check.h b/mongodb-1.13.0/src/libmongocrypt/src/mlib/user-check.h
	new file mode 100644
	index 00000000..708effa9
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mlib/user-check.h
	@@ -0,0 +1,4 @@
	+#ifndef MLIB_USER
	+#error \
	+ "The file being compiled transitively #include'd a mongo-mlib header, but is not a direct consumer of mlib, which is a private library for MongoDB C driver libraries"
	+#endif
	\ No newline at end of file
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mlib/windows-lean.h b/mongodb-1.13.0/src/libmongocrypt/src/mlib/windows-lean.h
	new file mode 100644
	index 00000000..249637b2
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mlib/windows-lean.h
	@@ -0,0 +1,19 @@
	+/**
	+ * This file is simply a wrapper around <windows.h> and ensures that
	+ * WIN32_LEAN_AND_MEAN is defined before including it.
	+ */
	+#ifndef MLIB_WINDOWS_LEAN_H
	+#define MLIB_WINDOWS_LEAN_H
	+
	+#ifdef __has_include
	+#if !__has_include(<windows.h>)
	+#error "<mlib/windows-lean.h> is only available when <windows.h> in available."
	+#endif
	+#endif
	+
	+#pragma push_macro("WIN32_LEAN_AND_MEAN")
	+#define WIN32_LEAN_AND_MEAN 1
	+#include <windows.h>
	+#pragma pop_macro("WIN32_LEAN_AND_MEAN")
	+
	+#endif // MLIB_WINDOWS_LEAN_H
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongo_csfle-v1.h b/mongodb-1.13.0/src/libmongocrypt/src/mongo_csfle-v1.h
	new file mode 100644
	index 00000000..b4e7b99e
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongo_csfle-v1.h
	@@ -0,0 +1,319 @@
	+/**
	+ * Copyright (C) 2021-present MongoDB, Inc.
	+ */
	+
	+
	+#ifndef CSFLE_SUPPORT_H
	+#define CSFLE_SUPPORT_H
	+
	+#include <stddef.h>
	+#include <stdint.h>
	+
	+#pragma push_macro("MONGO_API_CALL")
	+#undef MONGO_API_CALL
	+
	+#pragma push_macro("MONGO_API_IMPORT")
	+#undef MONGO_API_IMPORT
	+
	+#pragma push_macro("MONGO_API_EXPORT")
	+#undef MONGO_API_EXPORT
	+
	+#pragma push_macro("CSFLE_SUPPORT_API")
	+#undef CSFLE_SUPPORT_API
	+
	+#if defined(_WIN32)
	+#define MONGO_API_CALL __cdecl
	+#define MONGO_API_IMPORT __declspec(dllimport)
	+#define MONGO_API_EXPORT __declspec(dllexport)
	+#else
	+#define MONGO_API_CALL
	+#define MONGO_API_IMPORT __attribute__((visibility("default")))
	+#define MONGO_API_EXPORT __attribute__((used, visibility("default")))
	+#endif
	+
	+#if defined(CSFLE_SUPPORT_STATIC)
	+#define MONGO_CSFLE_API
	+#else
	+#if defined(CSFLE_SUPPORT_COMPILING)
	+#define MONGO_CSFLE_API MONGO_API_EXPORT
	+#else
	+#define MONGO_CSFLE_API MONGO_API_IMPORT
	+#endif
	+#endif
	+
	+#ifdef __cplusplus
	+extern "C" {
	+#endif
	+
	+/**
	+ * An object which describes the details of the failure of an operation.
	+ *
	+ * The CSFLE Library uses allocated objects of this type to report the details of any
	+ * failure, when an operation cannot be completed. Several `mongo_csfle_v1_status` functions are
	+ * provided which permit observing the details of these failures. Further a construction function
	+ * and a destruction function for these objects are also provided.
	+ *
	+ * The use of status objects from multiple threads is not thread safe unless all of the threads
	+ * accessing a single status object are passing that object as a const-qualified (const
	+ * mongo_csfle_v1_status *) pointer. If a single thread is passing a status object to a function
	+ * taking it by non-const-qualified (mongo_csfle_v1_status*) pointer, then no other thread may
	+ * access the status object.
	+ *
	+ * The `status` parameter is optional for all `mongo_csfle_v1_` functions that can take a status
	+ * pointer. The caller may pass NULL instead of a valid `status` object, in which case the function
	+ * will execute normally but will not provide any detailed error information in the caes of a
	+ * failure.
	+ *
	+ * All `mongo_csfle_v1_status` functions can be used before the CSFLE library is
	+ * initialized. This facilitates detailed error reporting from all library functions.
	+ */
	+typedef struct mongo_csfle_v1_status mongo_csfle_v1_status;
	+
	+/**
	+ * Allocate and construct an API-return-status buffer object.
	+ *
	+ * Returns NULL when construction of a mongo_csfle_v1_status object fails.
	+ *
	+ * This function may be called before mongo_csfle_v1_lib_create().
	+ */
	+MONGO_CSFLE_API mongo_csfle_v1_status* MONGO_API_CALL mongo_csfle_v1_status_create(void);
	+
	+/**
	+ * Destroys a valid status object.
	+ *
	+ * The status object must be a valid mongo_csfle_v1_status object or NULL.
	+ *
	+ * This function is not thread safe, and it must not execute concurrently with any other function
	+ * that accesses the status object being destroyed. It is, however, safe to destroy distinct status
	+ * objects on distinct threads.
	+ *
	+ * This function does not report failures.
	+ *
	+ * This function may be called before `mongo_csfle_v1_lib_create()`.
	+ *
	+ * This function causes all storage associated with the specified status object to be released,
	+ * including the storage referenced by functions that returned observable storage buffers from this
	+ * status, such as strings.
	+ */
	+MONGO_CSFLE_API void MONGO_API_CALL mongo_csfle_v1_status_destroy(mongo_csfle_v1_status* status);
	+
	+/**
	+ * The error codes reported by `mongo_csfle_v1` functions will be given the symbolic names as
	+ * mapped by this enum.
	+ *
	+ * When a `mongo_csfle_v1` function fails (and it has been documented to report errors) it will
	+ * report that error in the form of an `int` status code. That status code will always be returned
	+ * as the type `int`; however, the values in this enum can be used to classify the failure.
	+ */
	+typedef enum {
	+ MONGO_CSFLE_V1_ERROR_IN_REPORTING_ERROR = -2,
	+ MONGO_CSFLE_V1_ERROR_UNKNOWN = -1,
	+
	+ MONGO_CSFLE_V1_SUCCESS = 0,
	+
	+ MONGO_CSFLE_V1_ERROR_ENOMEM = 1,
	+ MONGO_CSFLE_V1_ERROR_EXCEPTION = 2,
	+ MONGO_CSFLE_V1_ERROR_LIBRARY_ALREADY_INITIALIZED = 3,
	+ MONGO_CSFLE_V1_ERROR_LIBRARY_NOT_INITIALIZED = 4,
	+ MONGO_CSFLE_V1_ERROR_INVALID_LIB_HANDLE = 5,
	+ MONGO_CSFLE_V1_ERROR_REENTRANCY_NOT_ALLOWED = 6,
	+} mongo_csfle_v1_error;
	+
	+/**
	+ * Gets an error code from a `mongo_csfle_v1_status` object.
	+ *
	+ * When a `mongo_csfle_v1` function fails (and it has been documented to report errors) it will
	+ * report its error in the form of an `int` status code which is stored into a supplied
	+ * `mongo_csfle_v1_status` object, if provided. Some of these functions may also report extra
	+ * information, which will be reported by other observer functions. Every `mongo_csfle_v1`
	+ * function which reports errors will always update the `Error` code stored in a
	+ * `mongo_csfle_v1_status` object, even upon success.
	+ *
	+ * This function does not report its own failures.
	+ */
	+MONGO_CSFLE_API int MONGO_API_CALL
	+mongo_csfle_v1_status_get_error(const mongo_csfle_v1_status* status);
	+
	+/**
	+ * Gets a descriptive error message from a `mongo_csfle_v1_status` object.
	+ *
	+ * For failures where the error is MONGO_CSFLE_V1_ERROR_EXCEPTION, this returns a string
	+ * representation of the internal C++ exception.
	+ *
	+ * The function to which the specified status object was passed must not have returned
	+ * MONGO_CSFLE_V1_SUCCESS as its error code.
	+ *
	+ * The storage for the returned string is associated with the specified status object, and therefore
	+ * it will be deallocated when the status is destroyed using mongo_csfle_v1_status_destroy().
	+ *
	+ * This function does not report its own failures.
	+ */
	+MONGO_CSFLE_API const char* MONGO_API_CALL
	+mongo_csfle_v1_status_get_explanation(const mongo_csfle_v1_status* status);
	+
	+/**
	+ * Gets a status code from a `mongo_csfle_v1_status` object.
	+ *
	+ * Returns a numeric status code associated with the status parameter which indicates a sub-category
	+ * of failure.
	+ *
	+ * For any status object that does not have MONGO_CSFLE_V1_ERROR_EXCEPTION as its error, the
	+ * value of this code is unspecified.
	+ *
	+ * This function does not report its own failures.
	+ */
	+MONGO_CSFLE_API int MONGO_API_CALL
	+mongo_csfle_v1_status_get_code(const mongo_csfle_v1_status* status);
	+
	+/**
	+ * An object which describes the runtime state of the CSFLE Library.
	+ *
	+ * The CSFLE Library uses allocated objects of this type to indicate the present state of
	+ * the library. Some operations which the library provides need access to this object. Further a
	+ * construction function and a destruction function for these objects are also provided. No more
	+ * than a single object instance of this type may exist at any given time.
	+ *
	+ * The use of `mongo_csfle_v1_lib` objects from multiple threads is not thread safe unless all of
	+ * the threads accessing a single `mongo_csfle_v1_lib` object are not destroying this object. If
	+ * a single thread is passing a `mongo_csfle_v1_lib` to its destruction function, then no other
	+ * thread may access the `mongo_csfle_v1_lib` object.
	+ */
	+typedef struct mongo_csfle_v1_lib mongo_csfle_v1_lib;
	+
	+/**
	+ * Creates a mongo_csfle_v1_lib object, which stores context for the CSFLE library. A
	+ * process should only ever have one mongo_csfle_v1_lib instance.
	+ *
	+ * On failure, returns NULL and populates the 'status' object if it is not NULL.
	+ */
	+MONGO_CSFLE_API mongo_csfle_v1_lib* MONGO_API_CALL
	+mongo_csfle_v1_lib_create(mongo_csfle_v1_status* status);
	+
	+/**
	+ * Tears down the state of this library. Existing mongo_csfle_v1_status objects remain valid.
	+ * Existing mongo_csfle_v1_query_analyzer objects created from this library MUST BE destroyed
	+ * before destroying the library object.
	+ *
	+ * The 'lib' parameter must be a valid mongo_csfle_v1_lib instance and must not be NULL.
	+ *
	+ * The 'status' parameter may be NULL, but must be a valid mongo_csfle_v1_status instance if it
	+ * is not NULL.
	+ *
	+ * Returns MONGO_CSFLE_V1_SUCCESS on success.
	+ *
	+ * Returns MONGO_CSFLE_V1_ERROR_LIBRARY_NOT_INITIALIZED and modifies 'status' if
	+ * mongo_csfle_v1_lib_create() has not been called previously.
	+ */
	+MONGO_CSFLE_API int MONGO_API_CALL mongo_csfle_v1_lib_destroy(mongo_csfle_v1_lib* lib,
	+ mongo_csfle_v1_status* status);
	+
	+
	+/**
	+ * Returns a product version in 64-bit integer in four 16-bit words, from high to low:
	+ *
	+ * - Major version
	+ * - Minor version
	+ * - Revision
	+ * - Reserved
	+ *
	+ * For example, version 6.2.1 would be encoded as: 0x0006000200010000
	+ *
	+ */
	+MONGO_CSFLE_API uint64_t MONGO_API_CALL mongo_csfle_v1_get_version(void);
	+
	+/**
	+ * Returns a product version as a text string. The string should not be modified or released
	+ *
	+ * Examples:
	+ * Dev Build/patch: mongo_csfle_v1-rhel80-6.2.1-alpha4-284-g8662e7d
	+ * Release build: mongo_csfle_v1-rhel80-6.2.1
	+ */
	+MONGO_CSFLE_API const char* MONGO_API_CALL mongo_csfle_v1_get_version_str(void);
	+
	+
	+/**
	+ * A single query analyzer can be used across repeated calls to mongo_csfle_v1_analyze_query.
	+ *
	+ * It is not safe to simultaneously invoke mongo_csfle_v1_query_analyzer_create on the same
	+ * query analyzer from multiple threads
	+ *
	+ * It is the client's responsibility to call mongo_csfle_v1_query_analyzer_destroy() to free up
	+ * resources used by the query analyzer. Once a query analyzer is destroyed, it is not safe to
	+ * call mongo_csfle_v1_analyze_query.
	+ */
	+typedef struct mongo_csfle_v1_query_analyzer mongo_csfle_v1_query_analyzer;
	+
	+/**
	+ * Creates a mongo_csfle_v1_query_analyzer object, which stores a parsed collation.
	+ *
	+ * The 'lib' parameter must be a valid mongo_csfle_v1_lib instance and must not be NULL.
	+ *
	+ * On failure, it returns NULL and populates the 'status' object if it is not NULL.
	+ */
	+MONGO_CSFLE_API mongo_csfle_v1_query_analyzer* MONGO_API_CALL
	+mongo_csfle_v1_query_analyzer_create(mongo_csfle_v1_lib* lib, mongo_csfle_v1_status* status);
	+
	+/**
	+ * Destroys a valid mongo_csfle_v1_query_analyzer object.
	+ *
	+ * This function is not thread safe, and it must not execute concurrently with any other function
	+ * that accesses the collation object being destroyed including those that access a matcher,
	+ * projection or update object which references the collation object.
	+ *
	+ * This function does not report failures.
	+ */
	+MONGO_CSFLE_API void MONGO_API_CALL
	+mongo_csfle_v1_query_analyzer_destroy(mongo_csfle_v1_query_analyzer* analyzer);
	+
	+
	+/**
	+ * Analyzes the 'documentBSON' input document which includes a JSON schema for namespace 'ns_str'
	+ * and returns a new BSON document that replaces fields that need encryption with BinData
	+ * (subtype 6, first byte 0) placeholders.
	+ *
	+ * The input document must be a valid OP_MSG document supports aggregate, count, delete, distinct,
	+ * explain, find, findAndModify, insert and update.
	+ * In addition, the input document must include two additional top-level fields:
	+ * - jsonSchema : document - contains a valid JSON schema
	+ * - isRemoteSchema : bool - true if schema comes from MongoD as opposed to client-side
	+ *
	+ * The 'analyzer' and 'documentBSON' parameters must point to initialized objects of their
	+ * respective types.
	+ *
	+ * When the analysis is successful, this function returns non-null value which points to a valid
	+ * BSON document and updates bson_len with the length of the BSON document
	+ */
	+MONGO_CSFLE_API uint8_t* MONGO_API_CALL
	+mongo_csfle_v1_analyze_query(mongo_csfle_v1_query_analyzer* analyzer,
	+ const uint8_t* documentBSON,
	+ const char* ns_str,
	+ uint32_t ns_len,
	+ uint32_t* bson_len,
	+ mongo_csfle_v1_status* status);
	+
	+/**
	+ * Free the memory of a BSON buffer returned by mongo_csfle_v1_analyze_query(). This function can be
	+ * safely called on a NULL pointer.
	+ *
	+ * This function can be called at any time to deallocate a BSON buffer and will not invalidate any
	+ * library object.
	+ */
	+MONGO_CSFLE_API void MONGO_API_CALL mongo_csfle_v1_bson_free(uint8_t* bson);
	+
	+#ifdef __cplusplus
	+} // extern "C"
	+#endif
	+
	+#undef CSFLE_SUPPORT_API
	+#pragma pop_macro("CSFLE_SUPPORT_API")
	+
	+#undef MONGO_API_EXPORT
	+#pragma push_macro("MONGO_API_EXPORT")
	+
	+#undef MONGO_API_IMPORT
	+#pragma push_macro("MONGO_API_IMPORT")
	+
	+#undef MONGO_API_CALL
	+#pragma pop_macro("MONGO_API_CALL")
	+
	+#endif // CSFLE_SUPPORT_H
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-binary-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-binary-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-binary-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-binary-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-binary.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-binary.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-binary.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-binary.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-buffer-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-buffer-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-buffer-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-buffer-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-buffer.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-buffer.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-buffer.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-buffer.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-collinfo-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-collinfo-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-collinfo-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-collinfo-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-collinfo.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-collinfo.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-collinfo.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-collinfo.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-key-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-key-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-key-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-key-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-key.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-key.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-key.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-key.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-oauth-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-oauth-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-oauth-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-oauth-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-oauth.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-oauth.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-oauth.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-oauth.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-cache.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-cache.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ciphertext-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ciphertext-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ciphertext-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ciphertext-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ciphertext.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ciphertext.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ciphertext.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ciphertext.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-compat.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-compat.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-compat.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-compat.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-config.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-config.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-config.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-config.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-config.h.in b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-config.h.in
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-config.h.in
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-config.h.in
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-crypto-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-crypto-private.h
	new file mode 100644
	index 00000000..53a06023
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-crypto-private.h
	@@ -0,0 +1,174 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef MONGOCRYPT_CRYPTO_PRIVATE_H
	+#define MONGOCRYPT_CRYPTO_PRIVATE_H
	+
	+#include "mongocrypt.h"
	+#include "mongocrypt-buffer-private.h"
	+
	+#define MONGOCRYPT_KEY_LEN 96
	+#define MONGOCRYPT_IV_KEY_LEN 32
	+#define MONGOCRYPT_MAC_KEY_LEN 32
	+#define MONGOCRYPT_ENC_KEY_LEN 32
	+#define MONGOCRYPT_IV_LEN 16
	+#define MONGOCRYPT_HMAC_SHA512_LEN 64
	+#define MONGOCRYPT_HMAC_LEN 32
	+#define MONGOCRYPT_BLOCK_SIZE 16
	+
	+typedef struct {
	+ int hooks_enabled;
	+ mongocrypt_crypto_fn aes_256_cbc_encrypt;
	+ mongocrypt_crypto_fn aes_256_cbc_decrypt;
	+ mongocrypt_random_fn random;
	+ mongocrypt_hmac_fn hmac_sha_512;
	+ mongocrypt_hmac_fn hmac_sha_256;
	+ mongocrypt_hash_fn sha_256;
	+ void *ctx;
	+} _mongocrypt_crypto_t;
	+
	+uint32_t
	+_mongocrypt_calculate_ciphertext_len (uint32_t plaintext_len);
	+
	+uint32_t
	+_mongocrypt_calculate_plaintext_len (uint32_t ciphertext_len);
	+
	+bool
	+_mongocrypt_do_encryption (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *iv,
	+ const _mongocrypt_buffer_t *associated_data,
	+ const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *plaintext,
	+ _mongocrypt_buffer_t *ciphertext,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_mongocrypt_do_decryption (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *associated_data,
	+ const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *ciphertext,
	+ _mongocrypt_buffer_t *plaintext,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_mongocrypt_random (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status) MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+/* Returns 0 if equal, non-zero otherwise */
	+int
	+_mongocrypt_memequal (const void const b1, const void const b2, size_t len);
	+
	+
	+/*
	+ * _mongocrypt_wrap_key encrypts a DEK with a KEK.
	+
	+ * kek is an input Key Encryption Key.
	+ * dek is an input Data Encryption Key.
	+ * encrypted_dek the result of encrypting dek with kek.
	+ * encrypted_dek is always initialized.
	+ * Returns true if no error occurred.
	+ * Returns false and sets @status if an error occurred.
	+ */
	+bool
	+_mongocrypt_wrap_key (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *kek,
	+ _mongocrypt_buffer_t *dek,
	+ _mongocrypt_buffer_t *encrypted_dek,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+/*
	+ * _mongocrypt_unwrap_key decrypts an encrypted DEK with a KEK.
	+ *
	+ * kek is an input Key Encryption Key.
	+ * encrypted_dek is an input encrypted Data Encryption Key.
	+ * dek is the result of decrypting encrypted_dek with kek.
	+ * dek is always initialized.
	+ * Returns true if no error occurred.
	+ * Returns false and sets @status if an error occurred.
	+ */
	+bool
	+_mongocrypt_unwrap_key (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *kek,
	+ _mongocrypt_buffer_t *encrypted_dek,
	+ _mongocrypt_buffer_t *dek,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_mongocrypt_calculate_deterministic_iv (
	+ _mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *plaintext,
	+ const _mongocrypt_buffer_t *associated_data,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status) MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+/* Crypto implementations must implement these functions. */
	+
	+/* This variable must be defined in implementation
	+ files, and must be set to true when _crypto_init
	+ is successful. */
	+extern bool _native_crypto_initialized;
	+
	+void
	+_native_crypto_init ();
	+
	+typedef struct {
	+ const _mongocrypt_buffer_t *key;
	+ const _mongocrypt_buffer_t *iv;
	+ const _mongocrypt_buffer_t *in;
	+ _mongocrypt_buffer_t *out;
	+ uint32_t *bytes_written;
	+ mongocrypt_status_t *status;
	+} aes_256_args_t;
	+
	+bool
	+_native_crypto_aes_256_cbc_encrypt (aes_256_args_t args)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_native_crypto_aes_256_cbc_decrypt (aes_256_args_t args)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_native_crypto_hmac_sha_512 (const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *in,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_native_crypto_random (_mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_native_crypto_aes_256_ctr_encrypt (aes_256_args_t args)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+bool
	+_native_crypto_aes_256_ctr_decrypt (aes_256_args_t args)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+#endif /* MONGOCRYPT_CRYPTO_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-crypto.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-crypto.c
	new file mode 100644
	index 00000000..5ac0bec7
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-crypto.c
	@@ -0,0 +1,993 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+/*
	+ * Comments in this implementation refer to:
	+ * [MCGREW] https://tools.ietf.org/html/draft-mcgrew-aead-aes-cbc-hmac-sha2-05
	+ */
	+
	+#include <bson/bson.h>
	+
	+#include "mongocrypt-binary-private.h"
	+#include "mongocrypt-buffer-private.h"
	+#include "mongocrypt-crypto-private.h"
	+#include "mongocrypt-log-private.h"
	+#include "mongocrypt-private.h"
	+#include "mongocrypt-status-private.h"
	+
	+#include <inttypes.h>
	+
	+/* Crypto primitives. These either call the native built in crypto primitives or
	+ * user supplied hooks. */
	+static bool
	+_crypto_aes_256_cbc_encrypt (_mongocrypt_crypto_t *crypto,
	+ aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ if (args.key->len != MONGOCRYPT_ENC_KEY_LEN) {
	+ CLIENT_ERR ("invalid encryption key length");
	+ return false;
	+ }
	+
	+ if (args.iv->len != MONGOCRYPT_IV_LEN) {
	+ CLIENT_ERR ("invalid iv length");
	+ return false;
	+ }
	+
	+ if (crypto->hooks_enabled) {
	+ mongocrypt_binary_t enc_key_bin, iv_bin, out_bin, in_bin;
	+ bool ret;
	+
	+ _mongocrypt_buffer_to_binary (args.key, &enc_key_bin);
	+ _mongocrypt_buffer_to_binary (args.iv, &iv_bin);
	+ _mongocrypt_buffer_to_binary (args.out, &out_bin);
	+ _mongocrypt_buffer_to_binary (args.in, &in_bin);
	+
	+ ret = crypto->aes_256_cbc_encrypt (crypto->ctx,
	+ &enc_key_bin,
	+ &iv_bin,
	+ &in_bin,
	+ &out_bin,
	+ args.bytes_written,
	+ status);
	+ return ret;
	+ }
	+ return _native_crypto_aes_256_cbc_encrypt (args);
	+}
	+
	+
	+static bool
	+_crypto_aes_256_cbc_decrypt (_mongocrypt_crypto_t *crypto,
	+ aes_256_args_t args)
	+{
	+ mongocrypt_status_t *status = args.status;
	+ if (args.key->len != MONGOCRYPT_ENC_KEY_LEN) {
	+ CLIENT_ERR ("invalid encryption key length");
	+ return false;
	+ }
	+
	+ if (crypto->hooks_enabled) {
	+ mongocrypt_binary_t enc_key_bin, iv_bin, out_bin, in_bin;
	+ bool ret;
	+
	+ _mongocrypt_buffer_to_binary (args.key, &enc_key_bin);
	+ _mongocrypt_buffer_to_binary (args.iv, &iv_bin);
	+ _mongocrypt_buffer_to_binary (args.out, &out_bin);
	+ _mongocrypt_buffer_to_binary (args.in, &in_bin);
	+
	+ ret = crypto->aes_256_cbc_decrypt (crypto->ctx,
	+ &enc_key_bin,
	+ &iv_bin,
	+ &in_bin,
	+ &out_bin,
	+ args.bytes_written,
	+ status);
	+ return ret;
	+ }
	+ return _native_crypto_aes_256_cbc_decrypt (args);
	+}
	+
	+
	+static bool
	+_crypto_hmac_sha_512 (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *hmac_key,
	+ const _mongocrypt_buffer_t *in,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ if (hmac_key->len != MONGOCRYPT_MAC_KEY_LEN) {
	+ CLIENT_ERR ("invalid hmac key length");
	+ return false;
	+ }
	+
	+ if (out->len != MONGOCRYPT_HMAC_SHA512_LEN) {
	+ CLIENT_ERR ("out does not contain %d bytes", MONGOCRYPT_HMAC_SHA512_LEN);
	+ return false;
	+ }
	+
	+ if (crypto->hooks_enabled) {
	+ mongocrypt_binary_t hmac_key_bin, out_bin, in_bin;
	+ bool ret;
	+
	+ _mongocrypt_buffer_to_binary (hmac_key, &hmac_key_bin);
	+ _mongocrypt_buffer_to_binary (out, &out_bin);
	+ _mongocrypt_buffer_to_binary (in, &in_bin);
	+
	+ ret = crypto->hmac_sha_512 (
	+ crypto->ctx, &hmac_key_bin, &in_bin, &out_bin, status);
	+ return ret;
	+ }
	+ return _native_crypto_hmac_sha_512 (hmac_key, in, out, status);
	+}
	+
	+
	+static bool
	+_crypto_random (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+{
	+ if (out->len != count) {
	+ CLIENT_ERR ("out does not contain %u bytes", count);
	+ return false;
	+ }
	+
	+ if (crypto->hooks_enabled) {
	+ mongocrypt_binary_t out_bin;
	+
	+ _mongocrypt_buffer_to_binary (out, &out_bin);
	+ return crypto->random (crypto->ctx, &out_bin, count, status);
	+ }
	+ return _native_crypto_random (out, count, status);
	+}
	+
	+
	+/*
	+ * Secure memcmp copied from the C driver.
	+ */
	+int
	+_mongocrypt_memequal (const void const b1, const void const b2, size_t len)
	+{
	+ const unsigned char p1 = b1, p2 = b2;
	+ int ret = 0;
	+
	+ for (; len > 0; len--) {
	+ ret \|= p1++ ^ p2++;
	+ }
	+
	+ return ret;
	+}
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _mongocrypt_calculate_ciphertext_len --
	+ *
	+ * For a given plaintext length, return the length of the ciphertext.
	+ * This includes IV and HMAC.
	+ *
	+ * To compute that I'm following section 2.3 in [MCGREW]:
	+ * L = 16 * ( floor(M / 16) + 2)
	+ * This formula includes space for the IV, but not the sha512 HMAC.
	+ * Add 32 for the sha512 HMAC.
	+ *
	+ * Parameters:
	+ * @plaintext_len then length of the plaintext.
	+ *
	+ * Returns:
	+ * The calculated length of the ciphertext.
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+uint32_t
	+_mongocrypt_calculate_ciphertext_len (uint32_t plaintext_len)
	+{
	+ return 16 * ((plaintext_len / 16) + 2) + MONGOCRYPT_HMAC_LEN;
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _mongocrypt_calculate_plaintext_len --
	+ *
	+ * For a given ciphertext length, return the length of the plaintext.
	+ * This excludes the IV and HMAC, but includes the padding.
	+ *
	+ * Parameters:
	+ * @ciphertext_len then length of the ciphertext.
	+ *
	+ * Returns:
	+ * The calculated length of the plaintext.
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+uint32_t
	+_mongocrypt_calculate_plaintext_len (uint32_t ciphertext_len)
	+{
	+ BSON_ASSERT (ciphertext_len >= MONGOCRYPT_HMAC_LEN + MONGOCRYPT_IV_LEN +
	+ MONGOCRYPT_BLOCK_SIZE);
	+ return ciphertext_len - (MONGOCRYPT_IV_LEN + MONGOCRYPT_HMAC_LEN);
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _aes256_cbc_encrypt --
	+ *
	+ * Encrypts using AES256 CBC using a secret key and a known IV.
	+ *
	+ * Parameters:
	+ * @iv a 16 byte IV.
	+ * @enc_key a 32 byte key.
	+ * @plaintext the plaintext to encrypt.
	+ * @ciphertext the resulting ciphertext.
	+ * @bytes_written a location for the resulting number of bytes written into
	+ * ciphertext->data.
	+ * @status set on error.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. ciphertext->data has been pre-allocated with enough space for the
	+ * resulting ciphertext.
	+ *
	+ * Postconditions:
	+ * 1. bytes_written is set to the length of the written ciphertext. This
	+ * is the same as _mongocrypt_calculate_ciphertext_len (plaintext->len).
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+static bool
	+_encrypt_step (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *iv,
	+ const _mongocrypt_buffer_t *enc_key,
	+ const _mongocrypt_buffer_t *plaintext,
	+ _mongocrypt_buffer_t *ciphertext,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status)
	+{
	+ uint32_t unaligned;
	+ uint32_t padding_byte;
	+ _mongocrypt_buffer_t intermediates[2];
	+ _mongocrypt_buffer_t to_encrypt;
	+ uint8_t final_block_storage[MONGOCRYPT_BLOCK_SIZE];
	+ bool ret = false;
	+
	+ _mongocrypt_buffer_init (&to_encrypt);
	+
	+ BSON_ASSERT (bytes_written);
	+ *bytes_written = 0;
	+
	+ if (MONGOCRYPT_IV_LEN != iv->len) {
	+ CLIENT_ERR ("IV should have length %d, but has length %d",
	+ MONGOCRYPT_IV_LEN,
	+ iv->len);
	+ goto done;
	+ }
	+
	+ if (MONGOCRYPT_ENC_KEY_LEN != enc_key->len) {
	+ CLIENT_ERR ("Encryption key should have length %d, but has length %d",
	+ MONGOCRYPT_ENC_KEY_LEN,
	+ enc_key->len);
	+ goto done;
	+ }
	+
	+ /* calculate how many extra bytes there are after a block boundary */
	+ unaligned = plaintext->len % MONGOCRYPT_BLOCK_SIZE;
	+
	+ /* Some crypto providers disallow variable length inputs, and require
	+ * the input to be a multiple of the block size. So add everything up
	+ * to but excluding the last block if not block aligned, then add
	+ * the last block with padding. */
	+ _mongocrypt_buffer_init (&intermediates[0]);
	+ _mongocrypt_buffer_init (&intermediates[1]);
	+ intermediates[0].data = (uint8_t *) plaintext->data;
	+ intermediates[0].len = plaintext->len - unaligned;
	+ intermediates[1].data = final_block_storage;
	+ intermediates[1].len = sizeof (final_block_storage);
	+
	+ /* [MCGREW]: "Prior to CBC encryption, the plaintext P is padded by appending
	+ * a padding string PS to that data, to ensure that len(P \|\| PS) is a
	+ * multiple of 128". This is also known as PKCS #7 padding. */
	+ if (unaligned) {
	+ /* Copy the unaligned bytes. */
	+ memcpy (intermediates[1].data,
	+ plaintext->data + (plaintext->len - unaligned),
	+ unaligned);
	+ /* Fill the rest with the padding byte. */
	+ padding_byte = MONGOCRYPT_BLOCK_SIZE - unaligned;
	+ memset (intermediates[1].data + unaligned, padding_byte, padding_byte);
	+ } else {
	+ /* Fill the rest with the padding byte. */
	+ padding_byte = MONGOCRYPT_BLOCK_SIZE;
	+ memset (intermediates[1].data, padding_byte, padding_byte);
	+ }
	+
	+ if (!_mongocrypt_buffer_concat (&to_encrypt, intermediates, 2)) {
	+ CLIENT_ERR ("failed to allocate buffer");
	+ goto done;
	+ }
	+
	+ if (!_crypto_aes_256_cbc_encrypt (
	+ crypto,
	+ (aes_256_args_t){.key = enc_key,
	+ .iv = iv,
	+ .in = &to_encrypt,
	+ .out = ciphertext,
	+ .bytes_written = bytes_written,
	+ .status = status})) {
	+ goto done;
	+ }
	+
	+
	+ if (*bytes_written % MONGOCRYPT_BLOCK_SIZE != 0) {
	+ CLIENT_ERR ("encryption failure, wrote %d bytes, not a multiple of %d",
	+ *bytes_written,
	+ MONGOCRYPT_BLOCK_SIZE);
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ _mongocrypt_buffer_cleanup (&to_encrypt);
	+ return ret;
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _hmac_sha512 --
	+ *
	+ * Compute the SHA512 HMAC with a secret key.
	+ *
	+ * Parameters:
	+ * @mac_key a 32 byte key.
	+ * @associated_data associated data to add into the HMAC. This may be
	+ * an empty buffer.
	+ * @ciphertext the ciphertext to add into the HMAC.
	+ * @out a location for the resulting HMAC tag.
	+ * @status set on error.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. out->data has been pre-allocated with at least 64 bytes.
	+ *
	+ * Postconditions:
	+ * 1. out->data will have a 64 byte tag appended.
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+static bool
	+_hmac_step (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *mac_key,
	+ const _mongocrypt_buffer_t *associated_data,
	+ const _mongocrypt_buffer_t *ciphertext,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ _mongocrypt_buffer_t intermediates[3];
	+ _mongocrypt_buffer_t to_hmac;
	+ uint64_t associated_data_len_be;
	+ uint8_t tag_storage[64];
	+ _mongocrypt_buffer_t tag;
	+ bool ret = false;
	+
	+ _mongocrypt_buffer_init (&to_hmac);
	+
	+ if (MONGOCRYPT_MAC_KEY_LEN != mac_key->len) {
	+ CLIENT_ERR ("HMAC key wrong length: %d", mac_key->len);
	+ goto done;
	+ }
	+
	+ if (out->len != MONGOCRYPT_HMAC_LEN) {
	+ CLIENT_ERR ("out wrong length: %d", out->len);
	+ goto done;
	+ }
	+
	+ /* [MCGREW]:
	+ * """
	+ * 4. The octet string AL is equal to the number of bits in A expressed as a
	+ * 64-bit unsigned integer in network byte order.
	+ * 5. A message authentication tag T is computed by applying HMAC [RFC2104]
	+ * to the following data, in order:
	+ * the associated data A,
	+ * the ciphertext S computed in the previous step, and
	+ * the octet string AL defined above.
	+ * """
	+ */
	+
	+ /* Add associated data. */
	+ _mongocrypt_buffer_init (&intermediates[0]);
	+ _mongocrypt_buffer_init (&intermediates[1]);
	+ _mongocrypt_buffer_init (&intermediates[2]);
	+ intermediates[0].data = associated_data->data;
	+ intermediates[0].len = associated_data->len;
	+ /* Add ciphertext. */
	+ intermediates[1].data = ciphertext->data;
	+ intermediates[1].len = ciphertext->len;
	+ /* Add associated data length in bits. */
	+ associated_data_len_be = 8 * (uint64_t) associated_data->len;
	+ associated_data_len_be = BSON_UINT64_TO_BE (associated_data_len_be);
	+ intermediates[2].data = (uint8_t *) &associated_data_len_be;
	+ intermediates[2].len = sizeof (uint64_t);
	+ tag.data = tag_storage;
	+ tag.len = sizeof (tag_storage);
	+
	+
	+ if (!_mongocrypt_buffer_concat (&to_hmac, intermediates, 3)) {
	+ CLIENT_ERR ("failed to allocate buffer");
	+ goto done;
	+ }
	+ if (!_crypto_hmac_sha_512 (crypto, mac_key, &to_hmac, &tag, status)) {
	+ goto done;
	+ }
	+
	+ /* [MCGREW 2.7] "The HMAC-SHA-512 value is truncated to T_LEN=32 octets" */
	+ memcpy (out->data, tag.data, MONGOCRYPT_HMAC_LEN);
	+ ret = true;
	+done:
	+ _mongocrypt_buffer_cleanup (&to_hmac);
	+ return ret;
	+}
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _mongocrypt_do_encryption --
	+ *
	+ * Defer encryption to whichever crypto library libmongocrypt is using.
	+ *
	+ * Parameters:
	+ * @iv a 16 byte IV.
	+ * @associated_data associated data for the HMAC. May be NULL.
	+ * @key a 96 byte key.
	+ * @plaintext the plaintext to encrypt.
	+ * @ciphertext a location for the resulting ciphertext and HMAC tag.
	+ * @bytes_written a location for the resulting bytes written.
	+ * @status set on error.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. ciphertext->data has been pre-allocated with enough space for the
	+ * resulting ciphertext. Use _mongocrypt_calculate_ciphertext_len.
	+ *
	+ * Postconditions:
	+ * 1. bytes_written is set to the length of the written ciphertext. This
	+ * is the same as _mongocrypt_calculate_ciphertext_len (plaintext->len).
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+bool
	+_mongocrypt_do_encryption (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *iv,
	+ const _mongocrypt_buffer_t *associated_data,
	+ const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *plaintext,
	+ _mongocrypt_buffer_t *ciphertext,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status)
	+{
	+ _mongocrypt_buffer_t mac_key = {0}, enc_key = {0}, intermediate = {0},
	+ intermediate_hmac = {0}, empty_buffer = {0};
	+ uint32_t intermediate_bytes_written = 0;
	+
	+ memset (ciphertext->data, 0, ciphertext->len);
	+
	+ BSON_ASSERT (iv);
	+ BSON_ASSERT (key);
	+ BSON_ASSERT (plaintext);
	+ BSON_ASSERT (ciphertext);
	+ if (ciphertext->len !=
	+ _mongocrypt_calculate_ciphertext_len (plaintext->len)) {
	+ CLIENT_ERR ("output ciphertext should have been allocated with %d bytes",
	+ _mongocrypt_calculate_ciphertext_len (plaintext->len));
	+ return false;
	+ }
	+
	+ *bytes_written = 0;
	+
	+ if (MONGOCRYPT_IV_LEN != iv->len) {
	+ CLIENT_ERR ("IV should have length %d, but has length %d",
	+ MONGOCRYPT_IV_LEN,
	+ iv->len);
	+ return false;
	+ }
	+ if (MONGOCRYPT_KEY_LEN != key->len) {
	+ CLIENT_ERR ("key should have length %d, but has length %d",
	+ MONGOCRYPT_KEY_LEN,
	+ key->len);
	+ return false;
	+ }
	+
	+ intermediate.len = ciphertext->len;
	+ intermediate.data = ciphertext->data;
	+
	+ /* [MCGREW]: Step 1. "MAC_KEY consists of the initial MAC_KEY_LEN octets of
	+ * K, in order. ENC_KEY consists of the final ENC_KEY_LEN octets of K, in
	+ * order." */
	+ mac_key.data = (uint8_t *) key->data;
	+ mac_key.len = MONGOCRYPT_MAC_KEY_LEN;
	+ enc_key.data = (uint8_t *) key->data + MONGOCRYPT_MAC_KEY_LEN;
	+ enc_key.len = MONGOCRYPT_ENC_KEY_LEN;
	+
	+ /* Prepend the IV. */
	+ memcpy (intermediate.data, iv->data, iv->len);
	+ intermediate.data += iv->len;
	+ intermediate.len -= iv->len;
	+ *bytes_written += iv->len;
	+
	+ /* [MCGREW]: Steps 2 & 3. */
	+ if (!_encrypt_step (crypto,
	+ iv,
	+ &enc_key,
	+ plaintext,
	+ &intermediate,
	+ &intermediate_bytes_written,
	+ status)) {
	+ return false;
	+ }
	+
	+ *bytes_written += intermediate_bytes_written;
	+
	+ /* Append the HMAC tag. */
	+ intermediate_hmac.data = ciphertext->data + *bytes_written;
	+ intermediate_hmac.len = MONGOCRYPT_HMAC_LEN;
	+
	+ intermediate.data = ciphertext->data;
	+ intermediate.len = *bytes_written;
	+
	+ /* [MCGREW]: Steps 4 & 5, compute the HMAC. */
	+ if (!_hmac_step (crypto,
	+ &mac_key,
	+ associated_data ? associated_data : &empty_buffer,
	+ &intermediate,
	+ &intermediate_hmac,
	+ status)) {
	+ return false;
	+ }
	+
	+ *bytes_written += MONGOCRYPT_HMAC_LEN;
	+ return true;
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _aes256_cbc_decrypt --
	+ *
	+ * Decrypts using AES256 CBC using a secret key and a known IV.
	+ *
	+ * Parameters:
	+ * @enc_key a 32 byte key.
	+ * @ciphertext the ciphertext to decrypt.
	+ * @plaintext the resulting plaintext.
	+ * @bytes_written a location for the resulting number of bytes written into
	+ * plaintext->data.
	+ * @status set on error.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. plaintext->data has been pre-allocated with enough space for the
	+ * resulting plaintext.
	+ *
	+ * Postconditions:
	+ * 1. bytes_written is set to the length of the written plaintext, excluding
	+ * padding. This may be less than
	+ * _mongocrypt_calculate_plaintext_len (ciphertext->len).
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+static bool
	+_decrypt_step (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *iv,
	+ const _mongocrypt_buffer_t *enc_key,
	+ const _mongocrypt_buffer_t *ciphertext,
	+ _mongocrypt_buffer_t *plaintext,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status)
	+{
	+ uint8_t padding_byte;
	+
	+ BSON_ASSERT (bytes_written);
	+ *bytes_written = 0;
	+
	+ if (MONGOCRYPT_IV_LEN != iv->len) {
	+ CLIENT_ERR ("IV should have length %d, but has length %d",
	+ MONGOCRYPT_IV_LEN,
	+ iv->len);
	+ return false;
	+ }
	+ if (MONGOCRYPT_ENC_KEY_LEN != enc_key->len) {
	+ CLIENT_ERR ("encryption key should have length %d, but has length %d",
	+ MONGOCRYPT_ENC_KEY_LEN,
	+ enc_key->len);
	+ return false;
	+ }
	+
	+
	+ if (ciphertext->len % MONGOCRYPT_BLOCK_SIZE > 0) {
	+ CLIENT_ERR ("error, ciphertext length is not a multiple of block size");
	+ return false;
	+ }
	+
	+ if (!_crypto_aes_256_cbc_decrypt (
	+ crypto,
	+ (aes_256_args_t){.iv = iv,
	+ .key = enc_key,
	+ .in = ciphertext,
	+ .out = plaintext,
	+ .bytes_written = bytes_written,
	+ .status = status})) {
	+ return false;
	+ }
	+
	+ padding_byte = plaintext->data[*bytes_written - 1];
	+ if (padding_byte > 16) {
	+ CLIENT_ERR ("error, ciphertext malformed padding");
	+ return false;
	+ }
	+ *bytes_written -= padding_byte;
	+ return true;
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _mongocrypt_do_decryption --
	+ *
	+ * Defer decryption to whichever crypto library libmongocrypt is using.
	+ *
	+ * Parameters:
	+ * @associated_data associated data for the HMAC. May be NULL.
	+ * @key a 96 byte key.
	+ * @ciphertext the ciphertext to decrypt. This contains the IV prepended.
	+ * @plaintext a location for the resulting plaintext.
	+ * @bytes_written a location for the resulting bytes written.
	+ * @status set on error.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. plaintext->data has been pre-allocated with enough space for the
	+ * resulting plaintext and padding. See _mongocrypt_calculate_plaintext_len.
	+ *
	+ * Postconditions:
	+ * 1. bytes_written is set to the length of the written plaintext, excluding
	+ * padding. This may be less than
	+ * _mongocrypt_calculate_plaintext_len (ciphertext->len).
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+bool
	+_mongocrypt_do_decryption (_mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *associated_data,
	+ const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *ciphertext,
	+ _mongocrypt_buffer_t *plaintext,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status)
	+{
	+ bool ret = false;
	+ _mongocrypt_buffer_t mac_key = {0}, enc_key = {0}, intermediate = {0},
	+ hmac_tag = {0}, iv = {0}, empty_buffer = {0};
	+ uint8_t hmac_tag_storage[MONGOCRYPT_HMAC_LEN];
	+
	+ BSON_ASSERT (key);
	+ BSON_ASSERT (ciphertext);
	+ BSON_ASSERT (plaintext);
	+ BSON_ASSERT (bytes_written);
	+ BSON_ASSERT (status);
	+
	+ if (plaintext->len !=
	+ _mongocrypt_calculate_plaintext_len (ciphertext->len)) {
	+ CLIENT_ERR ("output plaintext should have been allocated with %d bytes, "
	+ "but has: %d",
	+ _mongocrypt_calculate_plaintext_len (ciphertext->len),
	+ plaintext->len);
	+ return false;
	+ }
	+
	+ if (MONGOCRYPT_KEY_LEN != key->len) {
	+ CLIENT_ERR ("key should have length %d, but has length %d",
	+ MONGOCRYPT_KEY_LEN,
	+ key->len);
	+ return false;
	+ }
	+
	+ if (ciphertext->len <
	+ MONGOCRYPT_HMAC_LEN + MONGOCRYPT_IV_LEN + MONGOCRYPT_BLOCK_SIZE) {
	+ CLIENT_ERR ("corrupt ciphertext - must be > %d bytes",
	+ MONGOCRYPT_HMAC_LEN + MONGOCRYPT_IV_LEN +
	+ MONGOCRYPT_BLOCK_SIZE);
	+ goto done;
	+ }
	+
	+ mac_key.data = (uint8_t *) key->data;
	+ mac_key.len = MONGOCRYPT_MAC_KEY_LEN;
	+ enc_key.data = (uint8_t *) key->data + MONGOCRYPT_MAC_KEY_LEN;
	+ enc_key.len = MONGOCRYPT_ENC_KEY_LEN;
	+
	+ iv.data = ciphertext->data;
	+ iv.len = MONGOCRYPT_IV_LEN;
	+
	+ intermediate.data = (uint8_t *) ciphertext->data;
	+ intermediate.len = ciphertext->len - MONGOCRYPT_HMAC_LEN;
	+
	+ hmac_tag.data = hmac_tag_storage;
	+ hmac_tag.len = MONGOCRYPT_HMAC_LEN;
	+
	+ /* [MCGREW 2.2]: Step 3: HMAC check. */
	+ if (!_hmac_step (crypto,
	+ &mac_key,
	+ associated_data ? associated_data : &empty_buffer,
	+ &intermediate,
	+ &hmac_tag,
	+ status)) {
	+ goto done;
	+ }
	+
	+ /* [MCGREW] "using a comparison routine that takes constant time". */
	+ if (0 != _mongocrypt_memequal (hmac_tag.data,
	+ ciphertext->data +
	+ (ciphertext->len - MONGOCRYPT_HMAC_LEN),
	+ MONGOCRYPT_HMAC_LEN)) {
	+ CLIENT_ERR ("HMAC validation failure");
	+ goto done;
	+ }
	+
	+ /* Decrypt data excluding IV + HMAC. */
	+ intermediate.data = (uint8_t *) ciphertext->data + MONGOCRYPT_IV_LEN;
	+ intermediate.len =
	+ ciphertext->len - (MONGOCRYPT_IV_LEN + MONGOCRYPT_HMAC_LEN);
	+
	+ if (!_decrypt_step (crypto,
	+ &iv,
	+ &enc_key,
	+ &intermediate,
	+ plaintext,
	+ bytes_written,
	+ status)) {
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ return ret;
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _mongocrypt_random --
	+ *
	+ * Generates a string of random bytes.
	+ *
	+ * Parameters:
	+ * @out an output buffer that has been pre-allocated.
	+ * @status set on error.
	+ * @count the size of the random string in bytes.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. out has been pre-allocated with at least 'count' bytes of space.
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+bool
	+_mongocrypt_random (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status)
	+{
	+ BSON_ASSERT (out);
	+ BSON_ASSERT (status);
	+ if (count != out->len) {
	+ CLIENT_ERR (
	+ "out should have length %d, but has length %d", count, out->len);
	+ return false;
	+ }
	+
	+ return _crypto_random (crypto, out, count, status);
	+}
	+
	+
	+/* ----------------------------------------------------------------------------
	+ *
	+ * _mongocrypt_calculate_deterministic_iv --
	+ *
	+ * Compute the IV for deterministic encryption from the plaintext and IV
	+ * key by using HMAC function.
	+ *
	+ * Parameters:
	+ * @key the 96 byte key. The last 32 represent the IV key.
	+ * @plaintext the plaintext to be encrypted.
	+ * @associated_data associated data to include in the HMAC.
	+ * @out an output buffer that has been pre-allocated.
	+ * @status set on error.
	+ *
	+ * Returns:
	+ * True on success. On error, sets @status and returns false.
	+ *
	+ * Preconditions:
	+ * 1. out has been pre-allocated with at least MONGOCRYPT_IV_LEN bytes.
	+ *
	+ * ----------------------------------------------------------------------------
	+ */
	+bool
	+_mongocrypt_calculate_deterministic_iv (
	+ _mongocrypt_crypto_t *crypto,
	+ const _mongocrypt_buffer_t *key,
	+ const _mongocrypt_buffer_t *plaintext,
	+ const _mongocrypt_buffer_t *associated_data,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ _mongocrypt_buffer_t intermediates[3];
	+ _mongocrypt_buffer_t to_hmac;
	+ _mongocrypt_buffer_t iv_key;
	+ uint64_t associated_data_len_be;
	+ uint8_t tag_storage[64];
	+ _mongocrypt_buffer_t tag;
	+ bool ret = false;
	+
	+ _mongocrypt_buffer_init (&to_hmac);
	+
	+ BSON_ASSERT (key);
	+ BSON_ASSERT (plaintext);
	+ BSON_ASSERT (associated_data);
	+ BSON_ASSERT (out);
	+ BSON_ASSERT (status);
	+
	+ if (MONGOCRYPT_KEY_LEN != key->len) {
	+ CLIENT_ERR ("key should have length %d, but has length %d\n",
	+ MONGOCRYPT_KEY_LEN,
	+ key->len);
	+ goto done;
	+ }
	+ if (MONGOCRYPT_IV_LEN != out->len) {
	+ CLIENT_ERR ("out should have length %d, but has length %d\n",
	+ MONGOCRYPT_IV_LEN,
	+ out->len);
	+ goto done;
	+ }
	+
	+ _mongocrypt_buffer_init (&iv_key);
	+ iv_key.data = key->data + MONGOCRYPT_ENC_KEY_LEN + MONGOCRYPT_MAC_KEY_LEN;
	+ iv_key.len = MONGOCRYPT_IV_KEY_LEN;
	+
	+ _mongocrypt_buffer_init (&intermediates[0]);
	+ _mongocrypt_buffer_init (&intermediates[1]);
	+ _mongocrypt_buffer_init (&intermediates[2]);
	+ /* Add associated data. */
	+ intermediates[0].data = associated_data->data;
	+ intermediates[0].len = associated_data->len;
	+ /* Add associated data length in bits. */
	+ associated_data_len_be = 8 * (uint64_t) associated_data->len;
	+ associated_data_len_be = BSON_UINT64_TO_BE (associated_data_len_be);
	+ intermediates[1].data = (uint8_t *) &associated_data_len_be;
	+ intermediates[1].len = sizeof (uint64_t);
	+ /* Add plaintext. */
	+ intermediates[2].data = (uint8_t *) plaintext->data;
	+ intermediates[2].len = plaintext->len;
	+
	+ tag.data = tag_storage;
	+ tag.len = sizeof (tag_storage);
	+
	+ if (!_mongocrypt_buffer_concat (&to_hmac, intermediates, 3)) {
	+ CLIENT_ERR ("failed to allocate buffer");
	+ goto done;
	+ }
	+
	+ if (!_crypto_hmac_sha_512 (crypto, &iv_key, &to_hmac, &tag, status)) {
	+ goto done;
	+ }
	+
	+ /* Truncate to IV length */
	+ memcpy (out->data, tag.data, MONGOCRYPT_IV_LEN);
	+
	+ ret = true;
	+done:
	+ _mongocrypt_buffer_cleanup (&to_hmac);
	+ return ret;
	+}
	+
	+bool
	+_mongocrypt_wrap_key (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *kek,
	+ _mongocrypt_buffer_t *dek,
	+ _mongocrypt_buffer_t *encrypted_dek,
	+ mongocrypt_status_t *status)
	+{
	+ uint32_t bytes_written;
	+ _mongocrypt_buffer_t iv = {0};
	+ bool ret = false;
	+
	+ _mongocrypt_buffer_init (encrypted_dek);
	+
	+ if (dek->len != MONGOCRYPT_KEY_LEN) {
	+ CLIENT_ERR ("data encryption key is incorrect length, expected: %" PRIu32
	+ ", got: %" PRIu32,
	+ MONGOCRYPT_KEY_LEN,
	+ dek->len);
	+ goto done;
	+ }
	+
	+ _mongocrypt_buffer_resize (encrypted_dek,
	+ _mongocrypt_calculate_ciphertext_len (dek->len));
	+ _mongocrypt_buffer_resize (&iv, MONGOCRYPT_IV_LEN);
	+
	+ if (!_mongocrypt_random (crypto, &iv, MONGOCRYPT_IV_LEN, status)) {
	+ goto done;
	+ }
	+
	+ if (!_mongocrypt_do_encryption (crypto,
	+ &iv,
	+ NULL /* associated data. */,
	+ kek,
	+ dek,
	+ encrypted_dek,
	+ &bytes_written,
	+ status)) {
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ _mongocrypt_buffer_cleanup (&iv);
	+ return ret;
	+}
	+
	+bool
	+_mongocrypt_unwrap_key (_mongocrypt_crypto_t *crypto,
	+ _mongocrypt_buffer_t *kek,
	+ _mongocrypt_buffer_t *encrypted_dek,
	+ _mongocrypt_buffer_t *dek,
	+ mongocrypt_status_t *status)
	+{
	+ uint32_t bytes_written;
	+
	+ _mongocrypt_buffer_init (dek);
	+ _mongocrypt_buffer_resize (
	+ dek, _mongocrypt_calculate_plaintext_len (encrypted_dek->len));
	+
	+ if (!_mongocrypt_do_decryption (crypto,
	+ NULL /* associated data. */,
	+ kek,
	+ encrypted_dek,
	+ dek,
	+ &bytes_written,
	+ status)) {
	+ return false;
	+ }
	+ dek->len = bytes_written;
	+
	+ if (dek->len != MONGOCRYPT_KEY_LEN) {
	+ CLIENT_ERR ("decrypted key is incorrect length, expected: %" PRIu32
	+ ", got: %" PRIu32,
	+ MONGOCRYPT_KEY_LEN,
	+ dek->len);
	+ return false;
	+ }
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-datakey.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-datakey.c
	new file mode 100644
	index 00000000..b7c7adb8
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-datakey.c
	@@ -0,0 +1,502 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongocrypt.h"
	+#include "mongocrypt-private.h"
	+#include "mongocrypt-ctx-private.h"
	+#include "mongocrypt-crypto-private.h"
	+
	+static void
	+_cleanup (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_datakey_t *dkctx;
	+
	+ dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	+ _mongocrypt_buffer_cleanup (&dkctx->key_doc);
	+ _mongocrypt_kms_ctx_cleanup (&dkctx->kms);
	+ _mongocrypt_buffer_cleanup (&dkctx->encrypted_key_material);
	+ _mongocrypt_buffer_cleanup (&dkctx->plaintext_key_material);
	+ _mongocrypt_buffer_cleanup (&dkctx->kmip_secretdata);
	+ bson_free ((void *) dkctx->kmip_unique_identifier);
	+}
	+
	+static mongocrypt_kms_ctx_t *
	+_next_kms_ctx (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_datakey_t *dkctx;
	+
	+ dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	+ if (dkctx->kms_returned) {
	+ return NULL;
	+ }
	+ dkctx->kms_returned = true;
	+ return &dkctx->kms;
	+}
	+
	+static bool
	+_kms_kmip_start (mongocrypt_ctx_t *ctx)
	+{
	+ bool ret = false;
	+ _mongocrypt_ctx_datakey_t dkctx = (_mongocrypt_ctx_datakey_t ) ctx;
	+ char *user_supplied_keyid = NULL;
	+ _mongocrypt_endpoint_t *endpoint = NULL;
	+ mongocrypt_status_t *status = ctx->status;
	+ _mongocrypt_buffer_t secretdata = {0};
	+
	+ if (ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_KMIP) {
	+ CLIENT_ERR ("KMS provider is not KMIP");
	+ goto fail;
	+ }
	+
	+ user_supplied_keyid = ctx->opts.kek.provider.kmip.key_id;
	+
	+ if (ctx->opts.kek.provider.kmip.endpoint) {
	+ endpoint = ctx->opts.kek.provider.kmip.endpoint;
	+ } else if (ctx->crypt->opts.kms_provider_kmip.endpoint) {
	+ endpoint = ctx->crypt->opts.kms_provider_kmip.endpoint;
	+ } else {
	+ CLIENT_ERR ("endpoint not set for KMIP request");
	+ goto fail;
	+ }
	+
	+ /* The KMIP createDataKey flow is the following:
	+ *
	+ * 1. Send a KMIP Register request with a new 96 byte key as a SecretData
	+ * managed object. This returns a Unique Identifier.
	+ * 2. Send a KMIP Activate request with the Unique Identifier.
	+ * This returns the same Unique Identifier.
	+ * 3. Send a KMIP Get request with the Unique Identifier.
	+ * This returns the 96 byte SecretData.
	+ * 4. Use the 96 byte SecretData to encrypt a new DEK.
	+ *
	+ * If the user set a 'keyId' to use, the flow begins at step 3.
	+ */
	+
	+ if (user_supplied_keyid && !dkctx->kmip_unique_identifier) {
	+ /* User set a 'keyId'. */
	+ dkctx->kmip_unique_identifier = bson_strdup (user_supplied_keyid);
	+ dkctx->kmip_activated = true;
	+ /* Fall through to Step 3. */
	+ }
	+
	+ if (!dkctx->kmip_unique_identifier) {
	+ /* User did not set a 'keyId'. */
	+ /* Step 1. Send a KMIP Register request with a new 96 byte SecretData. */
	+ _mongocrypt_buffer_init (&secretdata);
	+ _mongocrypt_buffer_resize (&secretdata, MONGOCRYPT_KEY_LEN);
	+ if (!_mongocrypt_random (ctx->crypt->crypto,
	+ &secretdata,
	+ MONGOCRYPT_KEY_LEN,
	+ ctx->status)) {
	+ goto fail;
	+ }
	+
	+ if (!_mongocrypt_kms_ctx_init_kmip_register (&dkctx->kms,
	+ endpoint,
	+ secretdata.data,
	+ secretdata.len,
	+ &ctx->crypt->log)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ goto fail;
	+ }
	+
	+ ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	+ goto success;
	+ }
	+
	+ if (!dkctx->kmip_activated) {
	+ /* Step 2. Send a KMIP Activate request. */
	+ if (!_mongocrypt_kms_ctx_init_kmip_activate (
	+ &dkctx->kms,
	+ endpoint,
	+ dkctx->kmip_unique_identifier,
	+ &ctx->crypt->log)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ goto fail;
	+ }
	+ ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	+ goto success;
	+ }
	+
	+ if (!dkctx->kmip_secretdata.data) {
	+ /* Step 3. Send a KMIP Get request with the Unique Identifier. */
	+ if (!_mongocrypt_kms_ctx_init_kmip_get (&dkctx->kms,
	+ endpoint,
	+ dkctx->kmip_unique_identifier,
	+ &ctx->crypt->log)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ goto fail;
	+ }
	+ ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	+ goto success;
	+ }
	+
	+ /* Step 4. Use the 96 byte SecretData to encrypt a new DEK. */
	+ if (!_mongocrypt_wrap_key (ctx->crypt->crypto,
	+ &dkctx->kmip_secretdata,
	+ &dkctx->plaintext_key_material,
	+ &dkctx->encrypted_key_material,
	+ ctx->status)) {
	+ goto fail;
	+ }
	+
	+ if (!ctx->opts.kek.provider.kmip.key_id) {
	+ /* If there was no user supplied key_id, set it from the
	+ * UniqueIdentifer of the newly registered SecretData. */
	+ ctx->opts.kek.provider.kmip.key_id =
	+ bson_strdup (dkctx->kmip_unique_identifier);
	+ }
	+ ctx->state = MONGOCRYPT_CTX_READY;
	+
	+success:
	+ ret = true;
	+fail:
	+ if (!ret) {
	+ _mongocrypt_ctx_fail (ctx);
	+ }
	+ _mongocrypt_buffer_cleanup (&secretdata);
	+ return ret;
	+}
	+
	+/* For local, immediately encrypt.
	+ * For AWS, create the KMS request to encrypt.
	+ * For Azure/GCP, auth first if needed, otherwise encrypt.
	+ */
	+static bool
	+_kms_start (mongocrypt_ctx_t *ctx)
	+{
	+ bool ret = false;
	+ _mongocrypt_ctx_datakey_t *dkctx;
	+ char *access_token = NULL;
	+
	+ dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	+
	+ /* Clear out any pre-existing initialized KMS context, and zero it (so it is
	+ * safe to call cleanup again). */
	+ _mongocrypt_kms_ctx_cleanup (&dkctx->kms);
	+ memset (&dkctx->kms, 0, sizeof (dkctx->kms));
	+ dkctx->kms_returned = false;
	+ if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_LOCAL) {
	+ if (!_mongocrypt_wrap_key (ctx->crypt->crypto,
	+ &ctx->crypt->opts.kms_provider_local.key,
	+ &dkctx->plaintext_key_material,
	+ &dkctx->encrypted_key_material,
	+ ctx->status)) {
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+ ctx->state = MONGOCRYPT_CTX_READY;
	+ } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_AWS) {
	+ /* For AWS provider, AWS credentials are supplied in
	+ * mongocrypt_setopt_kms_provider_aws. Data keys are encrypted with an
	+ * "encrypt" HTTP message to KMS. */
	+ if (!_mongocrypt_kms_ctx_init_aws_encrypt (&dkctx->kms,
	+ &ctx->crypt->opts,
	+ &ctx->opts,
	+ &dkctx->plaintext_key_material,
	+ &ctx->crypt->log,
	+ ctx->crypt->crypto)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+
	+ ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	+ } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_AZURE) {
	+ access_token =
	+ _mongocrypt_cache_oauth_get (ctx->crypt->cache_oauth_azure);
	+ if (access_token) {
	+ if (!_mongocrypt_kms_ctx_init_azure_wrapkey (
	+ &dkctx->kms,
	+ &ctx->crypt->log,
	+ &ctx->crypt->opts,
	+ &ctx->opts,
	+ access_token,
	+ &dkctx->plaintext_key_material)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+ } else {
	+ if (!_mongocrypt_kms_ctx_init_azure_auth (
	+ &dkctx->kms,
	+ &ctx->crypt->log,
	+ &ctx->crypt->opts,
	+ ctx->opts.kek.provider.azure.key_vault_endpoint)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+ }
	+ ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	+ } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_GCP) {
	+ access_token = _mongocrypt_cache_oauth_get (ctx->crypt->cache_oauth_gcp);
	+ if (access_token) {
	+ if (!_mongocrypt_kms_ctx_init_gcp_encrypt (
	+ &dkctx->kms,
	+ &ctx->crypt->log,
	+ &ctx->crypt->opts,
	+ &ctx->opts,
	+ access_token,
	+ &dkctx->plaintext_key_material)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+ } else {
	+ if (!_mongocrypt_kms_ctx_init_gcp_auth (
	+ &dkctx->kms,
	+ &ctx->crypt->log,
	+ &ctx->crypt->opts,
	+ ctx->opts.kek.provider.gcp.endpoint)) {
	+ mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status);
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+ }
	+ ctx->state = MONGOCRYPT_CTX_NEED_KMS;
	+ } else if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_KMIP) {
	+ if (!_kms_kmip_start (ctx)) {
	+ goto done;
	+ }
	+ } else {
	+ _mongocrypt_ctx_fail_w_msg (ctx, "unsupported KMS provider");
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ bson_free (access_token);
	+ return ret;
	+}
	+
	+static bool
	+_kms_done (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_datakey_t *dkctx;
	+ mongocrypt_status_t *status;
	+
	+ dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	+ status = ctx->status;
	+ if (!mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ if (mongocrypt_kms_ctx_bytes_needed (&dkctx->kms) != 0) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "KMS response unfinished");
	+ }
	+
	+ /* If this was an oauth request, store the response and proceed to encrypt.
	+ */
	+ if (dkctx->kms.req_type == MONGOCRYPT_KMS_AZURE_OAUTH) {
	+ bson_t oauth_response;
	+
	+ BSON_ASSERT (
	+ _mongocrypt_buffer_to_bson (&dkctx->kms.result, &oauth_response));
	+ if (!_mongocrypt_cache_oauth_add (
	+ ctx->crypt->cache_oauth_azure, &oauth_response, status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ return _kms_start (ctx);
	+ } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_GCP_OAUTH) {
	+ bson_t oauth_response;
	+
	+ BSON_ASSERT (
	+ _mongocrypt_buffer_to_bson (&dkctx->kms.result, &oauth_response));
	+ if (!_mongocrypt_cache_oauth_add (
	+ ctx->crypt->cache_oauth_gcp, &oauth_response, status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ return _kms_start (ctx);
	+ } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_KMIP_REGISTER) {
	+ dkctx->kmip_unique_identifier =
	+ bson_strdup ((const char *) dkctx->kms.result.data);
	+ return _kms_start (ctx);
	+ } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_KMIP_ACTIVATE) {
	+ dkctx->kmip_activated = true;
	+ return _kms_start (ctx);
	+ } else if (dkctx->kms.req_type == MONGOCRYPT_KMS_KMIP_GET) {
	+ _mongocrypt_buffer_copy_to (&dkctx->kms.result, &dkctx->kmip_secretdata);
	+ return _kms_start (ctx);
	+ }
	+
	+ /* Store the result. */
	+ if (!_mongocrypt_kms_ctx_result (&dkctx->kms,
	+ &dkctx->encrypted_key_material)) {
	+ BSON_ASSERT (!mongocrypt_kms_ctx_status (&dkctx->kms, ctx->status));
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ /* The encrypted key material must be at least as large as the plaintext. */
	+ if (dkctx->encrypted_key_material.len < MONGOCRYPT_KEY_LEN) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx,
	+ "key material not expected length");
	+ }
	+
	+ ctx->state = MONGOCRYPT_CTX_READY;
	+ return true;
	+}
	+
	+/* Append a UUID _id. Confer with libmongoc's `_mongoc_server_session_uuid`. */
	+static bool
	+_append_id (mongocrypt_t crypt, bson_t bson, mongocrypt_status_t *status)
	+{
	+ _mongocrypt_buffer_t uuid;
	+#define UUID_LEN 16
	+
	+ _mongocrypt_buffer_init (&uuid);
	+ uuid.data = bson_malloc (UUID_LEN);
	+ BSON_ASSERT (uuid.data);
	+
	+ uuid.len = UUID_LEN;
	+ uuid.subtype = BSON_SUBTYPE_UUID;
	+ uuid.owned = true;
	+
	+ if (!_mongocrypt_random (crypt->crypto, &uuid, UUID_LEN, status)) {
	+ _mongocrypt_buffer_cleanup (&uuid);
	+ return false;
	+ }
	+
	+ uuid.data[6] = (uint8_t) (0x40 \| (uuid.data[6] & 0xf));
	+ uuid.data[8] = (uint8_t) (0x80 \| (uuid.data[8] & 0x3f));
	+ if (!_mongocrypt_buffer_append (&uuid, bson, "_id", 3)) {
	+ _mongocrypt_buffer_cleanup (&uuid);
	+ return false;
	+ }
	+
	+ _mongocrypt_buffer_cleanup (&uuid);
	+
	+ return true;
	+}
	+
	+static bool
	+_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ _mongocrypt_ctx_datakey_t *dkctx;
	+ bson_t key_doc, child;
	+ struct timeval tp;
	+
	+#define BSON_CHECK(_stmt) \
	+ if (!(_stmt)) { \
	+ bson_destroy (&key_doc); \
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "unable to construct BSON doc"); \
	+ }
	+
	+ dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	+
	+ bson_init (&key_doc);
	+ if (!_append_id (ctx->crypt, &key_doc, ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ if (ctx->opts.key_alt_names) {
	+ _mongocrypt_key_alt_name_t *alt_name = ctx->opts.key_alt_names;
	+ int i;
	+
	+ bson_append_array_begin (&key_doc, "keyAltNames", -1, &child);
	+ for (i = 0; alt_name; i++) {
	+ char *key = bson_strdup_printf ("%d", i);
	+ bson_append_value (&child, key, -1, &alt_name->value);
	+ bson_free (key);
	+ alt_name = alt_name->next;
	+ }
	+ bson_append_array_end (&key_doc, &child);
	+ }
	+ if (!_mongocrypt_buffer_append (&dkctx->encrypted_key_material,
	+ &key_doc,
	+ MONGOCRYPT_STR_AND_LEN ("keyMaterial"))) {
	+ bson_destroy (&key_doc);
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "could not append keyMaterial");
	+ }
	+ bson_gettimeofday (&tp);
	+ BSON_CHECK (bson_append_timeval (
	+ &key_doc, MONGOCRYPT_STR_AND_LEN ("creationDate"), &tp));
	+ BSON_CHECK (bson_append_timeval (
	+ &key_doc, MONGOCRYPT_STR_AND_LEN ("updateDate"), &tp));
	+ BSON_CHECK (bson_append_int32 (
	+ &key_doc, MONGOCRYPT_STR_AND_LEN ("status"), 0)); /* 0 = enabled. */
	+ BSON_CHECK (bson_append_document_begin (
	+ &key_doc, MONGOCRYPT_STR_AND_LEN ("masterKey"), &child));
	+ if (!_mongocrypt_kek_append (&ctx->opts.kek, &child, ctx->status)) {
	+ bson_destroy (&key_doc);
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ BSON_CHECK (bson_append_document_end (&key_doc, &child));
	+ _mongocrypt_buffer_steal_from_bson (&dkctx->key_doc, &key_doc);
	+ _mongocrypt_buffer_to_binary (&dkctx->key_doc, out);
	+ ctx->state = MONGOCRYPT_CTX_DONE;
	+ return true;
	+}
	+
	+bool
	+mongocrypt_ctx_datakey_init (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_datakey_t *dkctx;
	+ _mongocrypt_ctx_opts_spec_t opts_spec;
	+ bool ret;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+ ret = false;
	+ memset (&opts_spec, 0, sizeof (opts_spec));
	+ opts_spec.kek = OPT_REQUIRED;
	+ opts_spec.key_alt_names = OPT_OPTIONAL;
	+ opts_spec.key_material = OPT_OPTIONAL;
	+
	+ if (!_mongocrypt_ctx_init (ctx, &opts_spec)) {
	+ return false;
	+ }
	+
	+ dkctx = (_mongocrypt_ctx_datakey_t *) ctx;
	+ ctx->type = _MONGOCRYPT_TYPE_CREATE_DATA_KEY;
	+ ctx->vtable.mongo_op_keys = NULL;
	+ ctx->vtable.mongo_feed_keys = NULL;
	+ ctx->vtable.mongo_done_keys = NULL;
	+ ctx->vtable.next_kms_ctx = _next_kms_ctx;
	+ ctx->vtable.kms_done = _kms_done;
	+ ctx->vtable.finalize = _finalize;
	+ ctx->vtable.cleanup = _cleanup;
	+
	+ _mongocrypt_buffer_init (&dkctx->plaintext_key_material);
	+
	+ if (ctx->opts.key_material.owned) {
	+ /* Use keyMaterial provided by user via DataKeyOpts. */
	+ _mongocrypt_buffer_steal (&dkctx->plaintext_key_material,
	+ &ctx->opts.key_material);
	+ } else {
	+ /* Generate keyMaterial instead. */
	+ dkctx->plaintext_key_material.data = bson_malloc (MONGOCRYPT_KEY_LEN);
	+ BSON_ASSERT (dkctx->plaintext_key_material.data);
	+ dkctx->plaintext_key_material.len = MONGOCRYPT_KEY_LEN;
	+ dkctx->plaintext_key_material.owned = true;
	+ if (!_mongocrypt_random (ctx->crypt->crypto,
	+ &dkctx->plaintext_key_material,
	+ MONGOCRYPT_KEY_LEN,
	+ ctx->status)) {
	+ _mongocrypt_ctx_fail (ctx);
	+ goto done;
	+ }
	+ }
	+
	+ if (!_kms_start (ctx)) {
	+ goto done;
	+ }
	+
	+ ret = true;
	+done:
	+ return ret;
	+}
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-decrypt.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-decrypt.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-ctx-decrypt.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-decrypt.c
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-encrypt.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-encrypt.c
	new file mode 100644
	index 00000000..7cba8113
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-encrypt.c
	@@ -0,0 +1,919 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mongocrypt-ciphertext-private.h"
	+#include "mongocrypt-crypto-private.h"
	+#include "mongocrypt-ctx-private.h"
	+#include "mongocrypt-key-broker-private.h"
	+#include "mongocrypt-marking-private.h"
	+#include "mongocrypt-traverse-util-private.h"
	+
	+/* Construct the list collections command to send. */
	+static bool
	+_mongo_op_collinfo (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bson_t *cmd;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ cmd = BCON_NEW ("name", BCON_UTF8 (ectx->coll_name));
	+ CRYPT_TRACEF (&ectx->parent.crypt->log, "constructed: %s\n", tmp_json (cmd));
	+ _mongocrypt_buffer_steal_from_bson (&ectx->list_collections_filter, cmd);
	+ out->data = ectx->list_collections_filter.data;
	+ out->len = ectx->list_collections_filter.len;
	+ return true;
	+}
	+
	+static bool
	+_set_schema_from_collinfo (mongocrypt_ctx_t ctx, bson_t collinfo)
	+{
	+ bson_iter_t iter;
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bool found_jsonschema = false;
	+
	+ /* Parse out the schema. */
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+
	+ /* Disallow views. */
	+ if (bson_iter_init_find (&iter, collinfo, "type") &&
	+ BSON_ITER_HOLDS_UTF8 (&iter) && bson_iter_utf8 (&iter, NULL) &&
	+ 0 == strcmp ("view", bson_iter_utf8 (&iter, NULL))) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot auto encrypt a view");
	+ }
	+
	+ if (!bson_iter_init (&iter, collinfo)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "BSON malformed");
	+ }
	+
	+ if (bson_iter_find_descendant (&iter, "options.validator", &iter) &&
	+ BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ if (!bson_iter_recurse (&iter, &iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "BSON malformed");
	+ }
	+ while (bson_iter_next (&iter)) {
	+ const char *key;
	+
	+ key = bson_iter_key (&iter);
	+ BSON_ASSERT (key);
	+ if (0 == strcmp ("$jsonSchema", key)) {
	+ if (found_jsonschema) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "duplicate $jsonSchema fields found");
	+ }
	+ if (!_mongocrypt_buffer_copy_from_document_iter (&ectx->schema,
	+ &iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed $jsonSchema");
	+ }
	+ found_jsonschema = true;
	+ } else {
	+ ectx->collinfo_has_siblings = true;
	+ }
	+ }
	+ }
	+
	+ if (!found_jsonschema) {
	+ bson_t empty = BSON_INITIALIZER;
	+
	+ _mongocrypt_buffer_steal_from_bson (&ectx->schema, &empty);
	+ }
	+
	+
	+ return true;
	+}
	+
	+static bool
	+_mongo_feed_collinfo (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	+{
	+ bson_t as_bson;
	+
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ if (!bson_init_static (&as_bson, in->data, in->len)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "BSON malformed");
	+ }
	+
	+ /* Cache the received collinfo. */
	+ if (!_mongocrypt_cache_add_copy (
	+ &ctx->crypt->cache_collinfo, ectx->ns, &as_bson, ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ if (!_set_schema_from_collinfo (ctx, &as_bson)) {
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+static bool
	+_mongo_done_collinfo (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ if (_mongocrypt_buffer_empty (&ectx->schema)) {
	+ bson_t empty_collinfo = BSON_INITIALIZER;
	+
	+ /* If no collinfo was fed, cache an empty collinfo. */
	+ if (!_mongocrypt_cache_add_copy (&ctx->crypt->cache_collinfo,
	+ ectx->ns,
	+ &empty_collinfo,
	+ ctx->status)) {
	+ bson_destroy (&empty_collinfo);
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ bson_destroy (&empty_collinfo);
	+ }
	+
	+ ectx->parent.state = MONGOCRYPT_CTX_NEED_MONGO_MARKINGS;
	+ return true;
	+}
	+
	+
	+static bool
	+_mongo_op_markings (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bson_t cmd_bson, schema_bson, mongocryptd_cmd_bson;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ if (_mongocrypt_buffer_empty (&ectx->mongocryptd_cmd)) {
	+ /* first, get the original command. */
	+ if (!_mongocrypt_buffer_to_bson (&ectx->original_cmd, &cmd_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid BSON cmd");
	+ }
	+
	+ if (_mongocrypt_buffer_empty (&ectx->schema)) {
	+ bson_init (&schema_bson);
	+ } else if (!_mongocrypt_buffer_to_bson (&ectx->schema, &schema_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid BSON schema");
	+ }
	+
	+ bson_copy_to (&cmd_bson, &mongocryptd_cmd_bson);
	+ BSON_APPEND_DOCUMENT (&mongocryptd_cmd_bson, "jsonSchema", &schema_bson);
	+
	+ /* if a local schema was not set, set isRemoteSchema=true */
	+ BSON_APPEND_BOOL (
	+ &mongocryptd_cmd_bson, "isRemoteSchema", !ectx->used_local_schema);
	+ _mongocrypt_buffer_steal_from_bson (&ectx->mongocryptd_cmd,
	+ &mongocryptd_cmd_bson);
	+
	+ bson_destroy (&cmd_bson);
	+ bson_destroy (&schema_bson);
	+ }
	+ out->data = ectx->mongocryptd_cmd.data;
	+ out->len = ectx->mongocryptd_cmd.len;
	+ return true;
	+}
	+
	+
	+static bool
	+_collect_key_from_marking (void *ctx,
	+ _mongocrypt_buffer_t *in,
	+ mongocrypt_status_t *status)
	+{
	+ _mongocrypt_marking_t marking;
	+ _mongocrypt_key_broker_t *kb;
	+ bool res;
	+
	+ kb = (_mongocrypt_key_broker_t *) ctx;
	+
	+ if (!_mongocrypt_marking_parse_unowned (in, &marking, status)) {
	+ _mongocrypt_marking_cleanup (&marking);
	+ return false;
	+ }
	+
	+ if (marking.has_alt_name) {
	+ res = _mongocrypt_key_broker_request_name (kb, &marking.key_alt_name);
	+ } else {
	+ res = _mongocrypt_key_broker_request_id (kb, &marking.key_id);
	+ }
	+
	+ if (!res) {
	+ _mongocrypt_key_broker_status (kb, status);
	+ _mongocrypt_marking_cleanup (&marking);
	+ return false;
	+ }
	+
	+ _mongocrypt_marking_cleanup (&marking);
	+
	+ return true;
	+}
	+
	+
	+static bool
	+_mongo_feed_markings (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	+{
	+ /* Find keys. */
	+ bson_t as_bson;
	+ bson_iter_t iter;
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ if (!_mongocrypt_binary_to_bson (in, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed BSON");
	+ }
	+
	+ if (bson_iter_init_find (&iter, &as_bson, "schemaRequiresEncryption") &&
	+ !bson_iter_as_bool (&iter)) {
	+ /* TODO: update cache: this schema does not require encryption. */
	+
	+ /* If using a local schema, warn if there are no encrypted fields. */
	+ if (ectx->used_local_schema) {
	+ _mongocrypt_log (
	+ &ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_WARNING,
	+ "local schema used but does not have encryption specifiers");
	+ }
	+ return true;
	+ } else {
	+ /* if the schema requires encryption, but has sibling validators, error.
	+ */
	+ if (ectx->collinfo_has_siblings) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx,
	+ "schema requires encryption, "
	+ "but collection JSON schema "
	+ "validator has siblings");
	+ }
	+ }
	+
	+ if (bson_iter_init_find (&iter, &as_bson, "hasEncryptedPlaceholders") &&
	+ !bson_iter_as_bool (&iter)) {
	+ return true;
	+ }
	+
	+ if (!bson_iter_init_find (&iter, &as_bson, "result")) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed marking, no 'result'");
	+ }
	+
	+ if (!_mongocrypt_buffer_copy_from_document_iter (&ectx->marked_cmd, &iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "malformed marking, 'result' must be a document");
	+ }
	+
	+ if (!bson_iter_recurse (&iter, &iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "malformed marking, could not recurse into 'result'");
	+ }
	+ if (!_mongocrypt_traverse_binary_in_bson (_collect_key_from_marking,
	+ (void *) &ctx->kb,
	+ TRAVERSE_MATCH_MARKING,
	+ &iter,
	+ ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ return true;
	+}
	+
	+
	+static bool
	+_mongo_done_markings (mongocrypt_ctx_t *ctx)
	+{
	+ (void) _mongocrypt_key_broker_requests_done (&ctx->kb);
	+ return _mongocrypt_ctx_state_from_key_broker (ctx);
	+}
	+
	+
	+static bool
	+_marking_to_bson_value (void *ctx,
	+ _mongocrypt_marking_t *marking,
	+ bson_value_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ _mongocrypt_ciphertext_t ciphertext;
	+ _mongocrypt_buffer_t serialized_ciphertext = {0};
	+ bool ret = false;
	+
	+ BSON_ASSERT (out);
	+
	+ _mongocrypt_ciphertext_init (&ciphertext);
	+
	+ if (!_mongocrypt_marking_to_ciphertext (ctx, marking, &ciphertext, status)) {
	+ goto fail;
	+ }
	+
	+ if (!_mongocrypt_serialize_ciphertext (&ciphertext,
	+ &serialized_ciphertext)) {
	+ CLIENT_ERR ("malformed ciphertext");
	+ goto fail;
	+ };
	+
	+ /* ownership of serialized_ciphertext is transferred to caller. */
	+ out->value_type = BSON_TYPE_BINARY;
	+ out->value.v_binary.data = serialized_ciphertext.data;
	+ out->value.v_binary.data_len = serialized_ciphertext.len;
	+ out->value.v_binary.subtype = (bson_subtype_t) 6;
	+
	+ ret = true;
	+
	+fail:
	+ _mongocrypt_ciphertext_cleanup (&ciphertext);
	+ return ret;
	+}
	+
	+
	+static bool
	+_replace_marking_with_ciphertext (void *ctx,
	+ _mongocrypt_buffer_t *in,
	+ bson_value_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ _mongocrypt_marking_t marking;
	+ bool ret;
	+
	+ BSON_ASSERT (in);
	+
	+ memset (&marking, 0, sizeof (marking));
	+
	+ if (!_mongocrypt_marking_parse_unowned (in, &marking, status)) {
	+ _mongocrypt_marking_cleanup (&marking);
	+ return false;
	+ }
	+
	+ ret = _marking_to_bson_value (ctx, &marking, out, status);
	+ _mongocrypt_marking_cleanup (&marking);
	+ return ret;
	+}
	+
	+static bool
	+_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ bson_t as_bson, converted;
	+ bson_iter_t iter;
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bool res;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+
	+ if (!ectx->explicit) {
	+ if (ctx->nothing_to_do) {
	+ _mongocrypt_buffer_to_binary (&ectx->original_cmd, out);
	+ ctx->state = MONGOCRYPT_CTX_DONE;
	+ return true;
	+ }
	+ if (!_mongocrypt_buffer_to_bson (&ectx->marked_cmd, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed bson");
	+ }
	+
	+ bson_iter_init (&iter, &as_bson);
	+ bson_init (&converted);
	+ if (!_mongocrypt_transform_binary_in_bson (
	+ _replace_marking_with_ciphertext,
	+ &ctx->kb,
	+ TRAVERSE_MATCH_MARKING,
	+ &iter,
	+ &converted,
	+ ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ } else {
	+ /* For explicit encryption, we have no marking, but we can fake one */
	+ _mongocrypt_marking_t marking;
	+ bson_value_t value;
	+
	+ memset (&value, 0, sizeof (value));
	+
	+ _mongocrypt_marking_init (&marking);
	+
	+ if (!_mongocrypt_buffer_to_bson (&ectx->original_cmd, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed bson");
	+ }
	+
	+ if (!bson_iter_init_find (&iter, &as_bson, "v")) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx,
	+ "invalid msg, must contain 'v'");
	+ }
	+
	+
	+ memcpy (&marking.v_iter, &iter, sizeof (bson_iter_t));
	+ marking.algorithm = ctx->opts.algorithm;
	+ _mongocrypt_buffer_set_to (&ctx->opts.key_id, &marking.key_id);
	+ if (ctx->opts.key_alt_names) {
	+ bson_value_copy (&ctx->opts.key_alt_names->value,
	+ &marking.key_alt_name);
	+ marking.has_alt_name = true;
	+ }
	+
	+ bson_init (&converted);
	+ res = _marking_to_bson_value (&ctx->kb, &marking, &value, ctx->status);
	+ if (res) {
	+ bson_append_value (&converted, MONGOCRYPT_STR_AND_LEN ("v"), &value);
	+ }
	+
	+ bson_value_destroy (&value);
	+ _mongocrypt_marking_cleanup (&marking);
	+
	+ if (!res) {
	+ bson_destroy (&converted);
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ }
	+
	+ _mongocrypt_buffer_steal_from_bson (&ectx->encrypted_cmd, &converted);
	+ _mongocrypt_buffer_to_binary (&ectx->encrypted_cmd, out);
	+ ctx->state = MONGOCRYPT_CTX_DONE;
	+
	+ return true;
	+}
	+
	+
	+static void
	+_cleanup (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ bson_free (ectx->ns);
	+ bson_free (ectx->db_name);
	+ bson_free (ectx->coll_name);
	+ _mongocrypt_buffer_cleanup (&ectx->list_collections_filter);
	+ _mongocrypt_buffer_cleanup (&ectx->schema);
	+ _mongocrypt_buffer_cleanup (&ectx->original_cmd);
	+ _mongocrypt_buffer_cleanup (&ectx->mongocryptd_cmd);
	+ _mongocrypt_buffer_cleanup (&ectx->marked_cmd);
	+ _mongocrypt_buffer_cleanup (&ectx->encrypted_cmd);
	+}
	+
	+
	+static bool
	+_try_schema_from_schema_map (mongocrypt_ctx_t *ctx)
	+{
	+ mongocrypt_t *crypt;
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bson_t schema_map;
	+ bson_iter_t iter;
	+
	+ crypt = ctx->crypt;
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+
	+ if (_mongocrypt_buffer_empty (&crypt->opts.schema_map)) {
	+ /* No schema map set. */
	+ return true;
	+ }
	+
	+ if (!_mongocrypt_buffer_to_bson (&crypt->opts.schema_map, &schema_map)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed schema map");
	+ }
	+
	+ if (bson_iter_init_find (&iter, &schema_map, ectx->ns)) {
	+ if (!_mongocrypt_buffer_copy_from_document_iter (&ectx->schema, &iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "malformed schema map");
	+ }
	+ ectx->used_local_schema = true;
	+ ctx->state = MONGOCRYPT_CTX_NEED_MONGO_MARKINGS;
	+ }
	+
	+ /* No schema found in map. */
	+ return true;
	+}
	+
	+
	+static bool
	+_try_schema_from_cache (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bson_t *collinfo = NULL;
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+
	+ /* Otherwise, we need a remote schema. Check if we have a response to
	+ * listCollections cached. */
	+ if (!_mongocrypt_cache_get (&ctx->crypt->cache_collinfo,
	+ ectx->ns /* null terminated */,
	+ (void **) &collinfo)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "failed to retrieve from cache");
	+ }
	+
	+ if (collinfo) {
	+ if (!_set_schema_from_collinfo (ctx, collinfo)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ ctx->state = MONGOCRYPT_CTX_NEED_MONGO_MARKINGS;
	+ } else {
	+ /* we need to get it. */
	+ ctx->state = MONGOCRYPT_CTX_NEED_MONGO_COLLINFO;
	+ }
	+
	+ bson_destroy (collinfo);
	+ return true;
	+}
	+
	+static bool
	+_permitted_for_encryption (bson_iter_t *iter,
	+ mongocrypt_encryption_algorithm_t algo,
	+ mongocrypt_status_t *status)
	+{
	+ bson_type_t bson_type;
	+ const bson_value_t *bson_value = bson_iter_value (iter);
	+ bool ret = false;
	+
	+ if (!bson_value) {
	+ CLIENT_ERR ("Unknown BSON type");
	+ goto fail;
	+ }
	+ bson_type = bson_value->value_type;
	+ switch (bson_type) {
	+ case BSON_TYPE_NULL:
	+ case BSON_TYPE_MINKEY:
	+ case BSON_TYPE_MAXKEY:
	+ case BSON_TYPE_UNDEFINED:
	+ CLIENT_ERR ("BSON type invalid for encryption");
	+ goto fail;
	+ case BSON_TYPE_BINARY:
	+ if (bson_value->value.v_binary.subtype == 6) {
	+ CLIENT_ERR ("BSON binary subtype 6 is invalid for encryption");
	+ goto fail;
	+ }
	+ /* ok */
	+ break;
	+ case BSON_TYPE_DOUBLE:
	+ case BSON_TYPE_DOCUMENT:
	+ case BSON_TYPE_ARRAY:
	+ case BSON_TYPE_CODEWSCOPE:
	+ case BSON_TYPE_BOOL:
	+ case BSON_TYPE_DECIMAL128:
	+ if (algo == MONGOCRYPT_ENCRYPTION_ALGORITHM_DETERMINISTIC) {
	+ CLIENT_ERR ("BSON type invalid for deterministic encryption");
	+ goto fail;
	+ }
	+ break;
	+ case BSON_TYPE_UTF8:
	+ case BSON_TYPE_OID:
	+ case BSON_TYPE_DATE_TIME:
	+ case BSON_TYPE_REGEX:
	+ case BSON_TYPE_DBPOINTER:
	+ case BSON_TYPE_CODE:
	+ case BSON_TYPE_SYMBOL:
	+ case BSON_TYPE_INT32:
	+ case BSON_TYPE_TIMESTAMP:
	+ case BSON_TYPE_INT64:
	+ /* ok */
	+ break;
	+ case BSON_TYPE_EOD:
	+ default:
	+ CLIENT_ERR ("invalid BSON value type 00");
	+ goto fail;
	+ }
	+
	+ ret = true;
	+fail:
	+ return ret;
	+}
	+
	+bool
	+mongocrypt_ctx_explicit_encrypt_init (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *msg)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ bson_t as_bson;
	+ bson_iter_t iter;
	+ _mongocrypt_ctx_opts_spec_t opts_spec;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+ memset (&opts_spec, 0, sizeof (opts_spec));
	+ opts_spec.key_descriptor = OPT_REQUIRED;
	+ opts_spec.algorithm = OPT_REQUIRED;
	+
	+ if (!_mongocrypt_ctx_init (ctx, &opts_spec)) {
	+ return false;
	+ }
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ ctx->type = _MONGOCRYPT_TYPE_ENCRYPT;
	+ ectx->explicit = true;
	+ ctx->vtable.finalize = _finalize;
	+ ctx->vtable.cleanup = _cleanup;
	+
	+ if (!msg \|\| !msg->data) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "msg required for explicit encryption");
	+ }
	+
	+ if (ctx->opts.key_alt_names) {
	+ if (!_mongocrypt_key_broker_request_name (
	+ &ctx->kb, &ctx->opts.key_alt_names->value)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ } else {
	+ if (!_mongocrypt_key_broker_request_id (&ctx->kb, &ctx->opts.key_id)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ }
	+
	+ _mongocrypt_buffer_init (&ectx->original_cmd);
	+
	+ _mongocrypt_buffer_copy_from_binary (&ectx->original_cmd, msg);
	+ if (!_mongocrypt_buffer_to_bson (&ectx->original_cmd, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "msg must be bson");
	+ }
	+
	+ if (ctx->crypt->log.trace_enabled) {
	+ char *cmd_val;
	+ cmd_val = _mongocrypt_new_json_string_from_binary (msg);
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\")",
	+ BSON_FUNC,
	+ "msg",
	+ cmd_val);
	+ bson_free (cmd_val);
	+ }
	+
	+ if (!bson_iter_init_find (&iter, &as_bson, "v")) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid msg, must contain 'v'");
	+ }
	+
	+ if (!_permitted_for_encryption (&iter, ctx->opts.algorithm, ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ (void) _mongocrypt_key_broker_requests_done (&ctx->kb);
	+ return _mongocrypt_ctx_state_from_key_broker (ctx);
	+}
	+
	+static bool
	+_check_cmd_for_auto_encrypt (mongocrypt_binary_t *cmd,
	+ bool *bypass,
	+ char **collname,
	+ mongocrypt_status_t *status)
	+{
	+ bson_t as_bson;
	+ bson_iter_t iter, ns_iter;
	+ const char *cmd_name;
	+ bool eligible = false;
	+
	+ *bypass = false;
	+
	+ if (!_mongocrypt_binary_to_bson (cmd, &as_bson) \|\|
	+ !bson_iter_init (&iter, &as_bson)) {
	+ CLIENT_ERR ("invalid BSON");
	+ return false;
	+ }
	+
	+ /* The command name is the first key. */
	+ if (!bson_iter_next (&iter)) {
	+ CLIENT_ERR ("invalid empty BSON");
	+ return false;
	+ }
	+
	+ cmd_name = bson_iter_key (&iter);
	+ BSON_ASSERT (cmd_name);
	+
	+ /* get the collection name (or NULL if database/client command). */
	+ if (0 == strcmp (cmd_name, "explain")) {
	+ if (!BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ CLIENT_ERR ("explain value is not a document");
	+ return false;
	+ }
	+ if (!bson_iter_recurse (&iter, &ns_iter)) {
	+ CLIENT_ERR ("malformed BSON for encrypt command");
	+ return false;
	+ }
	+ if (!bson_iter_next (&ns_iter)) {
	+ CLIENT_ERR ("invalid empty BSON");
	+ return false;
	+ }
	+ } else {
	+ memcpy (&ns_iter, &iter, sizeof (iter));
	+ }
	+
	+ if (BSON_ITER_HOLDS_UTF8 (&ns_iter)) {
	+ *collname = bson_strdup (bson_iter_utf8 (&ns_iter, NULL));
	+ } else {
	+ *collname = NULL;
	+ }
	+
	+ /* check if command is eligible for auto encryption, bypassed, or ineligible.
	+ */
	+ if (0 == strcmp (cmd_name, "aggregate")) {
	+ /* collection level aggregate ok, database/client is not. */
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "count")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "distinct")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "delete")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "find")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "findAndModify")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "getMore")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "insert")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "update")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "authenticate")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "getnonce")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "logout")) {
	+ *bypass = true;
	+ } else if (0 == bson_strcasecmp (cmd_name, "isMaster")) {
	+ /* use case insensitive compare for ismaster, since some drivers send
	+ * "ismaster" and others send "isMaster" */
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "abortTransaction")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "commitTransaction")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "endSessions")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "startSession")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "create")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "createIndexes")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "drop")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "dropDatabase")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "dropIndexes")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "killCursors")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "listCollections")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "listDatabases")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "listIndexes")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "renameCollection")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "explain")) {
	+ eligible = true;
	+ } else if (0 == strcmp (cmd_name, "ping")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "saslStart")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "saslContinue")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "killAllSessions")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "killSessions")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "killAllSessionsByPattern")) {
	+ *bypass = true;
	+ } else if (0 == strcmp (cmd_name, "refreshSessions")) {
	+ *bypass = true;
	+ }
	+
	+ /* database/client commands are ineligible. */
	+ if (eligible) {
	+ if (!*collname) {
	+ CLIENT_ERR (
	+ "non-collection command not supported for auto encryption: %s",
	+ cmd_name);
	+ return false;
	+ }
	+ if (0 == strlen (*collname)) {
	+ CLIENT_ERR ("empty collection name on command: %s", cmd_name);
	+ return false;
	+ }
	+ }
	+
	+ if (eligible \|\| *bypass) {
	+ return true;
	+ }
	+
	+ CLIENT_ERR ("command not supported for auto encryption: %s", cmd_name);
	+ return false;
	+}
	+
	+bool
	+mongocrypt_ctx_encrypt_init (mongocrypt_ctx_t *ctx,
	+ const char *db,
	+ int32_t db_len,
	+ mongocrypt_binary_t *cmd)
	+{
	+ _mongocrypt_ctx_encrypt_t *ectx;
	+ _mongocrypt_ctx_opts_spec_t opts_spec;
	+ bool bypass;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+ memset (&opts_spec, 0, sizeof (opts_spec));
	+ opts_spec.schema = OPT_OPTIONAL;
	+ if (!_mongocrypt_ctx_init (ctx, &opts_spec)) {
	+ return false;
	+ }
	+
	+ ectx = (_mongocrypt_ctx_encrypt_t *) ctx;
	+ ctx->type = _MONGOCRYPT_TYPE_ENCRYPT;
	+ ectx->explicit = false;
	+ ctx->vtable.mongo_op_collinfo = _mongo_op_collinfo;
	+ ctx->vtable.mongo_feed_collinfo = _mongo_feed_collinfo;
	+ ctx->vtable.mongo_done_collinfo = _mongo_done_collinfo;
	+ ctx->vtable.mongo_op_collinfo = _mongo_op_collinfo;
	+ ctx->vtable.mongo_op_markings = _mongo_op_markings;
	+ ctx->vtable.mongo_feed_markings = _mongo_feed_markings;
	+ ctx->vtable.mongo_done_markings = _mongo_done_markings;
	+ ctx->vtable.finalize = _finalize;
	+ ctx->vtable.cleanup = _cleanup;
	+ ctx->vtable.mongo_op_collinfo = _mongo_op_collinfo;
	+ ctx->vtable.mongo_feed_collinfo = _mongo_feed_collinfo;
	+ ctx->vtable.mongo_done_collinfo = _mongo_done_collinfo;
	+
	+
	+ if (!cmd \|\| !cmd->data) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid command");
	+ }
	+
	+ _mongocrypt_buffer_copy_from_binary (&ectx->original_cmd, cmd);
	+
	+ if (!_check_cmd_for_auto_encrypt (
	+ cmd, &bypass, &ectx->coll_name, ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ if (bypass) {
	+ ctx->nothing_to_do = true;
	+ ctx->state = MONGOCRYPT_CTX_READY;
	+ return true;
	+ }
	+
	+ /* if _check_cmd_for_auto_encrypt did not bypass or error, a collection name
	+ * must have been set. */
	+ if (!ectx->coll_name) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx,
	+ "unexpected error: did not bypass or error but no collection name");
	+ }
	+
	+ if (!_mongocrypt_validate_and_copy_string (db, db_len, &ectx->db_name) \|\|
	+ 0 == strlen (ectx->db_name)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid db");
	+ }
	+
	+ ectx->ns = bson_strdup_printf ("%s.%s", ectx->db_name, ectx->coll_name);
	+
	+ if (ctx->opts.kek.provider.aws.region \|\| ctx->opts.kek.provider.aws.cmk) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "aws masterkey options must not be set");
	+ }
	+
	+ if (!_mongocrypt_buffer_empty (&ctx->opts.key_id)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "key_id must not be set for auto encryption");
	+ }
	+
	+ if (ctx->opts.algorithm != MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "algorithm must not be set for auto encryption");
	+ }
	+
	+ if (ctx->crypt->log.trace_enabled) {
	+ char *cmd_val;
	+ cmd_val = _mongocrypt_new_json_string_from_binary (cmd);
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\", %s=%d, %s=\"%s\")",
	+ BSON_FUNC,
	+ "db",
	+ ectx->db_name,
	+ "db_len",
	+ db_len,
	+ "cmd",
	+ cmd_val);
	+ bson_free (cmd_val);
	+ }
	+
	+ /* Check if we have a local schema from schema_map */
	+ if (!_try_schema_from_schema_map (ctx)) {
	+ return false;
	+ }
	+
	+ /* If we didn't have a local schema, try the cache. */
	+ if (_mongocrypt_buffer_empty (&ectx->schema)) {
	+ if (!_try_schema_from_cache (ctx)) {
	+ return false;
	+ }
	+ }
	+
	+ /* Otherwise, we need the the driver to fetch the schema. */
	+ if (_mongocrypt_buffer_empty (&ectx->schema)) {
	+ ctx->state = MONGOCRYPT_CTX_NEED_MONGO_COLLINFO;
	+ }
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-private.h
	new file mode 100644
	index 00000000..68459aae
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx-private.h
	@@ -0,0 +1,174 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef MONGOCRYPT_CTX_PRIVATE_H
	+#define MONGOCRYPT_CTX_PRIVATE_H
	+
	+#include "mongocrypt.h"
	+#include "mongocrypt-private.h"
	+#include "mongocrypt-buffer-private.h"
	+#include "mongocrypt-key-broker-private.h"
	+#include "mongocrypt-key-private.h"
	+#include "mongocrypt-endpoint-private.h"
	+
	+typedef enum {
	+ _MONGOCRYPT_TYPE_NONE,
	+ _MONGOCRYPT_TYPE_ENCRYPT,
	+ _MONGOCRYPT_TYPE_DECRYPT,
	+ _MONGOCRYPT_TYPE_CREATE_DATA_KEY,
	+} _mongocrypt_ctx_type_t;
	+
	+/* Option values are validated when set.
	+ * Different contexts accept/require different options,
	+ * validated when a context is initialized.
	+ */
	+typedef struct __mongocrypt_ctx_opts_t {
	+ _mongocrypt_buffer_t key_id;
	+ _mongocrypt_key_alt_name_t *key_alt_names;
	+ _mongocrypt_buffer_t key_material;
	+ mongocrypt_encryption_algorithm_t algorithm;
	+ _mongocrypt_kek_t kek;
	+} _mongocrypt_ctx_opts_t;
	+
	+
	+/* All derived contexts may override these methods. */
	+typedef struct {
	+ bool (mongo_op_collinfo) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	+ bool (mongo_feed_collinfo) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *in);
	+ bool (mongo_done_collinfo) (mongocrypt_ctx_t ctx);
	+ bool (mongo_op_markings) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	+ bool (mongo_feed_markings) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *in);
	+ bool (mongo_done_markings) (mongocrypt_ctx_t ctx);
	+ bool (mongo_op_keys) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	+ bool (mongo_feed_keys) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *in);
	+ bool (mongo_done_keys) (mongocrypt_ctx_t ctx);
	+ mongocrypt_kms_ctx_t (next_kms_ctx) (mongocrypt_ctx_t *ctx);
	+ bool (kms_done) (mongocrypt_ctx_t ctx);
	+ bool (finalize) (mongocrypt_ctx_t ctx, mongocrypt_binary_t *out);
	+ void (cleanup) (mongocrypt_ctx_t ctx);
	+} _mongocrypt_vtable_t;
	+
	+
	+struct _mongocrypt_ctx_t {
	+ mongocrypt_t *crypt;
	+ mongocrypt_ctx_state_t state;
	+ _mongocrypt_ctx_type_t type;
	+ mongocrypt_status_t *status;
	+ _mongocrypt_key_broker_t kb;
	+ _mongocrypt_vtable_t vtable;
	+ _mongocrypt_ctx_opts_t opts;
	+ bool initialized;
	+ bool
	+ nothing_to_do; /* set to true if no encryption/decryption is required. */
	+};
	+
	+
	+/* Transition to the error state. An error status must have been set. */
	+bool
	+_mongocrypt_ctx_fail (mongocrypt_ctx_t *ctx);
	+
	+
	+/* Set an error status and transition to the error state. */
	+bool
	+_mongocrypt_ctx_fail_w_msg (mongocrypt_ctx_t ctx, const char msg);
	+
	+
	+typedef struct {
	+ mongocrypt_ctx_t parent;
	+ bool explicit;
	+ char *coll_name;
	+ char *db_name;
	+ char *ns;
	+ _mongocrypt_buffer_t list_collections_filter;
	+ _mongocrypt_buffer_t schema;
	+ /* TODO CDRIVER-3150: audit + rename these buffers.
	+ * original_cmd for explicit is {v: <BSON value>}, for auto is the command to
	+ * be encrypted.
	+ *
	+ * mongocryptd_cmd is only applicable for auto encryption. It is the original
	+ * command with JSONSchema appended.
	+ *
	+ * marked_cmd is the value of the 'result' field in mongocryptd response
	+ *
	+ * encrypted_cmd is the final output, the original command encrypted, or for
	+ * explicit, the {v: <ciphertext>} doc.
	+ */
	+ _mongocrypt_buffer_t original_cmd;
	+ _mongocrypt_buffer_t mongocryptd_cmd;
	+ _mongocrypt_buffer_t marked_cmd;
	+ _mongocrypt_buffer_t encrypted_cmd;
	+ _mongocrypt_buffer_t key_id;
	+ bool used_local_schema;
	+ /* collinfo_has_siblings is true if the schema came from a remote JSON
	+ * schema, and there were siblings. */
	+ bool collinfo_has_siblings;
	+} _mongocrypt_ctx_encrypt_t;
	+
	+
	+typedef struct {
	+ mongocrypt_ctx_t parent;
	+ bool explicit;
	+ /* TODO CDRIVER-3150: audit + rename these buffers.
	+ * Unlike ctx_encrypt, unwrapped_doc holds the binary value of the {v:
	+ * <ciphertext>} doc.
	+ * */
	+ _mongocrypt_buffer_t original_doc;
	+ _mongocrypt_buffer_t unwrapped_doc; /* explicit only */
	+ _mongocrypt_buffer_t decrypted_doc;
	+} _mongocrypt_ctx_decrypt_t;
	+
	+
	+typedef struct {
	+ mongocrypt_ctx_t parent;
	+ mongocrypt_kms_ctx_t kms;
	+ bool kms_returned;
	+ _mongocrypt_buffer_t key_doc;
	+ _mongocrypt_buffer_t plaintext_key_material;
	+ _mongocrypt_buffer_t encrypted_key_material;
	+
	+ const char *kmip_unique_identifier;
	+ bool kmip_activated;
	+ _mongocrypt_buffer_t kmip_secretdata;
	+} _mongocrypt_ctx_datakey_t;
	+
	+
	+/* Used for option validation. True means required. False means prohibited. */
	+typedef enum {
	+ OPT_PROHIBITED = 0,
	+ OPT_REQUIRED,
	+ OPT_OPTIONAL
	+} _mongocrypt_ctx_opt_spec_t;
	+typedef struct {
	+ _mongocrypt_ctx_opt_spec_t kek;
	+ _mongocrypt_ctx_opt_spec_t schema;
	+ _mongocrypt_ctx_opt_spec_t key_descriptor; /* a key_id or key_alt_name */
	+ _mongocrypt_ctx_opt_spec_t key_alt_names;
	+ _mongocrypt_ctx_opt_spec_t key_material;
	+ _mongocrypt_ctx_opt_spec_t algorithm;
	+} _mongocrypt_ctx_opts_spec_t;
	+
	+/* Common initialization. */
	+bool
	+_mongocrypt_ctx_init (mongocrypt_ctx_t *ctx,
	+ _mongocrypt_ctx_opts_spec_t *opt_spec)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+/* Set the state of the context from the state of keys in the key broker. */
	+bool
	+_mongocrypt_ctx_state_from_key_broker (mongocrypt_ctx_t *ctx)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+#endif /* MONGOCRYPT_CTX_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx.c
	new file mode 100644
	index 00000000..06b16d07
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-ctx.c
	@@ -0,0 +1,967 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <bson/bson.h>
	+
	+#include "mongocrypt-ctx-private.h"
	+#include "mongocrypt-key-broker-private.h"
	+
	+#define ALGORITHM_DETERMINISTIC "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
	+#define ALGORITHM_DETERMINISTIC_LEN 43
	+#define ALGORITHM_RANDOM "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
	+#define ALGORITHM_RANDOM_LEN 36
	+
	+bool
	+_mongocrypt_ctx_fail_w_msg (mongocrypt_ctx_t ctx, const char msg)
	+{
	+ _mongocrypt_set_error (ctx->status,
	+ MONGOCRYPT_STATUS_ERROR_CLIENT,
	+ MONGOCRYPT_GENERIC_ERROR_CODE,
	+ "%s",
	+ msg);
	+ return _mongocrypt_ctx_fail (ctx);
	+}
	+
	+/* A failure status has already been set. */
	+bool
	+_mongocrypt_ctx_fail (mongocrypt_ctx_t *ctx)
	+{
	+ if (mongocrypt_status_ok (ctx->status)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "unexpected, failing but no error status set");
	+ }
	+ ctx->state = MONGOCRYPT_CTX_ERROR;
	+ return false;
	+}
	+
	+
	+static bool
	+_set_binary_opt (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *binary,
	+ _mongocrypt_buffer_t *buf,
	+ bson_subtype_t subtype)
	+{
	+ BSON_ASSERT (ctx);
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (!binary \|\| !binary->data) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "option must be non-NULL");
	+ }
	+
	+ if (!_mongocrypt_buffer_empty (buf)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "option already set");
	+ }
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (subtype == BSON_SUBTYPE_UUID && binary->len != 16) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "expected 16 byte UUID");
	+ }
	+
	+ _mongocrypt_buffer_copy_from_binary (buf, binary);
	+ buf->subtype = subtype;
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_key_id (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_id)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (ctx->crypt->log.trace_enabled && key_id && key_id->data) {
	+ char *key_id_val;
	+ key_id_val =
	+ _mongocrypt_new_string_from_bytes (key_id->data, key_id->len);
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\")",
	+ BSON_FUNC,
	+ "key_id",
	+ key_id_val);
	+ bson_free (key_id_val);
	+ }
	+
	+ return _set_binary_opt (ctx, key_id, &ctx->opts.key_id, BSON_SUBTYPE_UUID);
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_key_alt_name (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_alt_name)
	+{
	+ bson_t as_bson;
	+ bson_iter_t iter;
	+ _mongocrypt_key_alt_name_t *new_key_alt_name;
	+ const char *key;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (!key_alt_name \|\| !key_alt_name->data) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "option must be non-NULL");
	+ }
	+
	+ if (!_mongocrypt_binary_to_bson (key_alt_name, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid keyAltName bson object");
	+ }
	+
	+ if (!bson_iter_init (&iter, &as_bson) \|\| !bson_iter_next (&iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid bson");
	+ }
	+
	+ key = bson_iter_key (&iter);
	+ BSON_ASSERT (key);
	+ if (0 != strcmp (key, "keyAltName")) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "keyAltName must have field 'keyAltName'");
	+ }
	+
	+ if (!BSON_ITER_HOLDS_UTF8 (&iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "keyAltName expected to be UTF8");
	+ }
	+
	+ new_key_alt_name = _mongocrypt_key_alt_name_new (bson_iter_value (&iter));
	+
	+ if (ctx->opts.key_alt_names &&
	+ _mongocrypt_key_alt_name_intersects (ctx->opts.key_alt_names,
	+ new_key_alt_name)) {
	+ _mongocrypt_key_alt_name_destroy_all (new_key_alt_name);
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "duplicate keyAltNames found");
	+ }
	+ new_key_alt_name->next = ctx->opts.key_alt_names;
	+ ctx->opts.key_alt_names = new_key_alt_name;
	+
	+ if (bson_iter_next (&iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "unrecognized field, only keyAltName expected");
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_key_material (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_material)
	+{
	+ bson_t as_bson;
	+ bson_iter_t iter;
	+ const char *key;
	+ _mongocrypt_buffer_t buffer;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->opts.key_material.owned) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "keyMaterial already set");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (!key_material \|\| !key_material->data) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "option must be non-NULL");
	+ }
	+
	+ if (!_mongocrypt_binary_to_bson (key_material, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx,
	+ "invalid keyMaterial bson object");
	+ }
	+
	+ /* TODO: use _mongocrypt_parse_required_binary once MONGOCRYPT-380 is
	+ * resolved.*/
	+ if (!bson_iter_init (&iter, &as_bson) \|\| !bson_iter_next (&iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid bson");
	+ }
	+
	+ key = bson_iter_key (&iter);
	+ BSON_ASSERT (key);
	+ if (0 != strcmp (key, "keyMaterial")) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "keyMaterial must have field 'keyMaterial'");
	+ }
	+
	+ if (!_mongocrypt_buffer_from_binary_iter (&buffer, &iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx,
	+ "keyMaterial must be binary data");
	+ }
	+
	+ if (buffer.len != MONGOCRYPT_KEY_LEN) {
	+ _mongocrypt_set_error (
	+ ctx->status,
	+ MONGOCRYPT_STATUS_ERROR_CLIENT,
	+ MONGOCRYPT_GENERIC_ERROR_CODE,
	+ "keyMaterial should have length %d, but has length %" PRIu32,
	+ MONGOCRYPT_KEY_LEN,
	+ buffer.len);
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ _mongocrypt_buffer_steal (&ctx->opts.key_material, &buffer);
	+
	+ if (bson_iter_next (&iter)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "unrecognized field, only keyMaterial expected");
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_algorithm (mongocrypt_ctx_t *ctx,
	+ const char *algorithm,
	+ int len)
	+{
	+ size_t calculated_len;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (ctx->opts.algorithm != MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "already set algorithm");
	+ }
	+
	+ if (len < -1) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid algorithm length");
	+ }
	+
	+ if (!algorithm) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "passed null algorithm");
	+ }
	+
	+ calculated_len = len == -1 ? strlen (algorithm) : (size_t) len;
	+ if (ctx->crypt->log.trace_enabled) {
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%.*s\")",
	+ BSON_FUNC,
	+ "algorithm",
	+ (int) calculated_len,
	+ algorithm);
	+ }
	+
	+ if (calculated_len == ALGORITHM_DETERMINISTIC_LEN &&
	+ strncmp (algorithm,
	+ ALGORITHM_DETERMINISTIC,
	+ ALGORITHM_DETERMINISTIC_LEN) == 0) {
	+ ctx->opts.algorithm = MONGOCRYPT_ENCRYPTION_ALGORITHM_DETERMINISTIC;
	+ return true;
	+ }
	+
	+ if (calculated_len == ALGORITHM_RANDOM_LEN &&
	+ strncmp (algorithm, ALGORITHM_RANDOM, ALGORITHM_RANDOM_LEN) == 0) {
	+ ctx->opts.algorithm = MONGOCRYPT_ENCRYPTION_ALGORITHM_RANDOM;
	+ return true;
	+ }
	+
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "unsupported algorithm");
	+}
	+
	+
	+mongocrypt_ctx_t *
	+mongocrypt_ctx_new (mongocrypt_t *crypt)
	+{
	+ mongocrypt_ctx_t *ctx;
	+ size_t ctx_size;
	+
	+ if (!crypt) {
	+ return NULL;
	+ }
	+ if (!crypt->initialized) {
	+ mongocrypt_status_t *status;
	+
	+ status = crypt->status;
	+ CLIENT_ERR ("cannot create context from uninitialized crypt");
	+ return NULL;
	+ }
	+ ctx_size = sizeof (_mongocrypt_ctx_encrypt_t);
	+ if (sizeof (_mongocrypt_ctx_decrypt_t) > ctx_size) {
	+ ctx_size = sizeof (_mongocrypt_ctx_decrypt_t);
	+ }
	+ if (sizeof (_mongocrypt_ctx_datakey_t) > ctx_size) {
	+ ctx_size = sizeof (_mongocrypt_ctx_datakey_t);
	+ }
	+ ctx = bson_malloc0 (ctx_size);
	+ BSON_ASSERT (ctx);
	+
	+ ctx->crypt = crypt;
	+ ctx->status = mongocrypt_status_new ();
	+ ctx->opts.algorithm = MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE;
	+ ctx->state = MONGOCRYPT_CTX_DONE;
	+ return ctx;
	+}
	+
	+#define CHECK_AND_CALL(fn, ...) \
	+ do { \
	+ if (!ctx->vtable.fn) { \
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context"); \
	+ } \
	+ return ctx->vtable.fn (__VA_ARGS__); \
	+ } while (0)
	+
	+/* Common to both encrypt and decrypt context. */
	+static bool
	+_mongo_op_keys (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ /* Construct the find filter to fetch keys. */
	+ if (!_mongocrypt_key_broker_filter (&ctx->kb, out)) {
	+ BSON_ASSERT (!_mongocrypt_key_broker_status (&ctx->kb, ctx->status));
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ return true;
	+}
	+
	+
	+static bool
	+_mongo_feed_keys (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	+{
	+ _mongocrypt_buffer_t buf;
	+
	+ _mongocrypt_buffer_from_binary (&buf, in);
	+ if (!_mongocrypt_key_broker_add_doc (&ctx->kb, &buf)) {
	+ BSON_ASSERT (!_mongocrypt_key_broker_status (&ctx->kb, ctx->status));
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ return true;
	+}
	+
	+
	+static bool
	+_mongo_done_keys (mongocrypt_ctx_t *ctx)
	+{
	+ (void) _mongocrypt_key_broker_docs_done (&ctx->kb);
	+ return _mongocrypt_ctx_state_from_key_broker (ctx);
	+}
	+
	+static mongocrypt_kms_ctx_t *
	+_next_kms_ctx (mongocrypt_ctx_t *ctx)
	+{
	+ return _mongocrypt_key_broker_next_kms (&ctx->kb);
	+}
	+
	+
	+static bool
	+_kms_done (mongocrypt_ctx_t *ctx)
	+{
	+ if (!_mongocrypt_key_broker_kms_done (&ctx->kb)) {
	+ BSON_ASSERT (!_mongocrypt_key_broker_status (&ctx->kb, ctx->status));
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+ return _mongocrypt_ctx_state_from_key_broker (ctx);
	+}
	+
	+
	+bool
	+mongocrypt_ctx_mongo_op (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (!ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ }
	+
	+ if (!out) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid NULL input");
	+ }
	+
	+ switch (ctx->state) {
	+ case MONGOCRYPT_CTX_NEED_MONGO_COLLINFO:
	+ CHECK_AND_CALL (mongo_op_collinfo, ctx, out);
	+ case MONGOCRYPT_CTX_NEED_MONGO_MARKINGS:
	+ CHECK_AND_CALL (mongo_op_markings, ctx, out);
	+ case MONGOCRYPT_CTX_NEED_MONGO_KEYS:
	+ CHECK_AND_CALL (mongo_op_keys, ctx, out);
	+ case MONGOCRYPT_CTX_ERROR:
	+ return false;
	+ default:
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	+ }
	+}
	+
	+
	+bool
	+mongocrypt_ctx_mongo_feed (mongocrypt_ctx_t ctx, mongocrypt_binary_t in)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (!ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ }
	+
	+ if (!in) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid NULL input");
	+ }
	+
	+ if (ctx->crypt->log.trace_enabled) {
	+ char *in_val;
	+
	+ in_val = _mongocrypt_new_json_string_from_binary (in);
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\")",
	+ BSON_FUNC,
	+ "in",
	+ in_val);
	+ bson_free (in_val);
	+ }
	+
	+ switch (ctx->state) {
	+ case MONGOCRYPT_CTX_NEED_MONGO_COLLINFO:
	+ CHECK_AND_CALL (mongo_feed_collinfo, ctx, in);
	+ case MONGOCRYPT_CTX_NEED_MONGO_MARKINGS:
	+ CHECK_AND_CALL (mongo_feed_markings, ctx, in);
	+ case MONGOCRYPT_CTX_NEED_MONGO_KEYS:
	+ CHECK_AND_CALL (mongo_feed_keys, ctx, in);
	+ case MONGOCRYPT_CTX_ERROR:
	+ return false;
	+ default:
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	+ }
	+}
	+
	+
	+bool
	+mongocrypt_ctx_mongo_done (mongocrypt_ctx_t *ctx)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (!ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ }
	+
	+ switch (ctx->state) {
	+ case MONGOCRYPT_CTX_NEED_MONGO_COLLINFO:
	+ CHECK_AND_CALL (mongo_done_collinfo, ctx);
	+ case MONGOCRYPT_CTX_NEED_MONGO_MARKINGS:
	+ CHECK_AND_CALL (mongo_done_markings, ctx);
	+ case MONGOCRYPT_CTX_NEED_MONGO_KEYS:
	+ CHECK_AND_CALL (mongo_done_keys, ctx);
	+ case MONGOCRYPT_CTX_ERROR:
	+ return false;
	+ default:
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	+ }
	+}
	+
	+
	+mongocrypt_ctx_state_t
	+mongocrypt_ctx_state (mongocrypt_ctx_t *ctx)
	+{
	+ if (!ctx) {
	+ return MONGOCRYPT_CTX_ERROR;
	+ }
	+ if (!ctx->initialized) {
	+ _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ return MONGOCRYPT_CTX_ERROR;
	+ }
	+
	+ return ctx->state;
	+}
	+
	+
	+mongocrypt_kms_ctx_t *
	+mongocrypt_ctx_next_kms_ctx (mongocrypt_ctx_t *ctx)
	+{
	+ if (!ctx) {
	+ return NULL;
	+ }
	+ if (!ctx->initialized) {
	+ _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ return NULL;
	+ }
	+
	+ if (!ctx->vtable.next_kms_ctx) {
	+ _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context");
	+ return NULL;
	+ }
	+
	+ switch (ctx->state) {
	+ case MONGOCRYPT_CTX_NEED_KMS:
	+ return ctx->vtable.next_kms_ctx (ctx);
	+ case MONGOCRYPT_CTX_ERROR:
	+ return NULL;
	+ default:
	+ _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	+ return NULL;
	+ }
	+}
	+
	+
	+bool
	+mongocrypt_ctx_kms_done (mongocrypt_ctx_t *ctx)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (!ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ }
	+
	+ if (!ctx->vtable.kms_done) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context");
	+ }
	+
	+ switch (ctx->state) {
	+ case MONGOCRYPT_CTX_NEED_KMS:
	+ return ctx->vtable.kms_done (ctx);
	+ case MONGOCRYPT_CTX_ERROR:
	+ return false;
	+ default:
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	+ }
	+}
	+
	+
	+bool
	+mongocrypt_ctx_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (!ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "ctx NULL or uninitialized");
	+ }
	+
	+ if (!out) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid NULL input");
	+ }
	+
	+ if (!ctx->vtable.finalize) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "not applicable to context");
	+ }
	+
	+ switch (ctx->state) {
	+ case MONGOCRYPT_CTX_READY:
	+ return ctx->vtable.finalize (ctx, out);
	+ case MONGOCRYPT_CTX_ERROR:
	+ return false;
	+ default:
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "wrong state");
	+ }
	+}
	+
	+bool
	+mongocrypt_ctx_status (mongocrypt_ctx_t ctx, mongocrypt_status_t out)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (!mongocrypt_status_ok (ctx->status)) {
	+ _mongocrypt_status_copy_to (ctx->status, out);
	+ return false;
	+ }
	+ _mongocrypt_status_reset (out);
	+ return true;
	+}
	+
	+
	+void
	+mongocrypt_ctx_destroy (mongocrypt_ctx_t *ctx)
	+{
	+ if (!ctx) {
	+ return;
	+ }
	+
	+ if (ctx->vtable.cleanup) {
	+ ctx->vtable.cleanup (ctx);
	+ }
	+
	+ _mongocrypt_kek_cleanup (&ctx->opts.kek);
	+ mongocrypt_status_destroy (ctx->status);
	+ _mongocrypt_key_broker_cleanup (&ctx->kb);
	+ _mongocrypt_buffer_cleanup (&ctx->opts.key_material);
	+ _mongocrypt_key_alt_name_destroy_all (ctx->opts.key_alt_names);
	+ _mongocrypt_buffer_cleanup (&ctx->opts.key_id);
	+ bson_free (ctx);
	+ return;
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_masterkey_aws (mongocrypt_ctx_t *ctx,
	+ const char *region,
	+ int32_t region_len,
	+ const char *cmk,
	+ int32_t cmk_len)
	+{
	+ mongocrypt_binary_t *bin;
	+ bson_t as_bson;
	+ bool ret;
	+ char *temp = NULL;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_AWS &&
	+ ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_NONE) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "master key already set");
	+ }
	+
	+ if (ctx->opts.kek.kms_provider == MONGOCRYPT_KMS_PROVIDER_AWS &&
	+ ctx->opts.kek.provider.aws.region) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "master key already set");
	+ }
	+
	+ if (!_mongocrypt_validate_and_copy_string (region, region_len, &temp) \|\|
	+ region_len == 0) {
	+ bson_free (temp);
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid region");
	+ }
	+ bson_free (temp);
	+
	+ temp = NULL;
	+ if (!_mongocrypt_validate_and_copy_string (cmk, cmk_len, &temp) \|\|
	+ cmk_len == 0) {
	+ bson_free (temp);
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid cmk");
	+ }
	+ bson_free (temp);
	+
	+ bson_init (&as_bson);
	+ bson_append_utf8 (&as_bson,
	+ MONGOCRYPT_STR_AND_LEN ("provider"),
	+ MONGOCRYPT_STR_AND_LEN ("aws"));
	+ bson_append_utf8 (
	+ &as_bson, MONGOCRYPT_STR_AND_LEN ("region"), region, region_len);
	+ bson_append_utf8 (&as_bson, MONGOCRYPT_STR_AND_LEN ("key"), cmk, cmk_len);
	+ bin = mongocrypt_binary_new_from_data ((uint8_t *) bson_get_data (&as_bson),
	+ as_bson.len);
	+
	+ ret = mongocrypt_ctx_setopt_key_encryption_key (ctx, bin);
	+ mongocrypt_binary_destroy (bin);
	+ bson_destroy (&as_bson);
	+
	+ if (ctx->crypt->log.trace_enabled) {
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\", %s=%d, %s=\"%s\", %s=%d)",
	+ BSON_FUNC,
	+ "region",
	+ ctx->opts.kek.provider.aws.region,
	+ "region_len",
	+ region_len,
	+ "cmk",
	+ ctx->opts.kek.provider.aws.cmk,
	+ "cmk_len",
	+ cmk_len);
	+ }
	+
	+ return ret;
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_masterkey_local (mongocrypt_ctx_t *ctx)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (ctx->opts.kek.kms_provider) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "master key already set");
	+ }
	+
	+ ctx->opts.kek.kms_provider = MONGOCRYPT_KMS_PROVIDER_LOCAL;
	+ return true;
	+}
	+
	+
	+bool
	+_mongocrypt_ctx_init (mongocrypt_ctx_t *ctx,
	+ _mongocrypt_ctx_opts_spec_t *opts_spec)
	+{
	+ bool has_id = false, has_alt_name = false, has_multiple_alt_names = false;
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot double initialize");
	+ }
	+ ctx->initialized = true;
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+ /* Set some default functions */
	+ ctx->vtable.mongo_op_keys = _mongo_op_keys;
	+ ctx->vtable.mongo_feed_keys = _mongo_feed_keys;
	+ ctx->vtable.mongo_done_keys = _mongo_done_keys;
	+ ctx->vtable.next_kms_ctx = _next_kms_ctx;
	+ ctx->vtable.kms_done = _kms_done;
	+
	+ /* Check that required options are included and prohibited options are
	+ * not.
	+ */
	+
	+ if (opts_spec->kek == OPT_REQUIRED) {
	+ if (!ctx->opts.kek.kms_provider) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "master key required");
	+ }
	+ if (!(ctx->opts.kek.kms_provider & ctx->crypt->opts.kms_providers)) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "requested kms provider not configured");
	+ }
	+ }
	+
	+ if (opts_spec->kek == OPT_PROHIBITED && ctx->opts.kek.kms_provider) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "master key prohibited");
	+ }
	+
	+ /* Special case. key_descriptor applies to explicit encryption. It must be
	+ * either a key id or one key alt name, but not both.
	+ * key_alt_names applies to creating a data key. It may be one or multiple
	+ * key alt names.
	+ */
	+ has_id = !_mongocrypt_buffer_empty (&ctx->opts.key_id);
	+ has_alt_name = !!(ctx->opts.key_alt_names);
	+ has_multiple_alt_names = has_alt_name && !!(ctx->opts.key_alt_names->next);
	+
	+ if (opts_spec->key_descriptor == OPT_REQUIRED) {
	+ if (!has_id && !has_alt_name) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "either key id or key alt name required");
	+ }
	+
	+ if (has_id && has_alt_name) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "cannot have both key id and key alt name");
	+ }
	+
	+ if (has_multiple_alt_names) {
	+ return _mongocrypt_ctx_fail_w_msg (
	+ ctx, "must not specify multiple key alt names");
	+ }
	+ }
	+
	+ if (opts_spec->key_descriptor == OPT_PROHIBITED) {
	+ /* still okay if key_alt_names are allowed and only alt names were
	+ * specified. */
	+ if ((opts_spec->key_alt_names == OPT_PROHIBITED && has_alt_name) \|\|
	+ has_id) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx,
	+ "key id and alt name prohibited");
	+ }
	+ }
	+
	+ if (opts_spec->key_material == OPT_PROHIBITED &&
	+ ctx->opts.key_material.owned) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "key material prohibited");
	+ }
	+
	+ if (opts_spec->algorithm == OPT_REQUIRED &&
	+ ctx->opts.algorithm == MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "algorithm required");
	+ }
	+
	+ if (opts_spec->algorithm == OPT_PROHIBITED &&
	+ ctx->opts.algorithm != MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "algorithm prohibited");
	+ }
	+
	+ _mongocrypt_key_broker_init (&ctx->kb, ctx->crypt);
	+ return true;
	+}
	+
	+bool
	+_mongocrypt_ctx_state_from_key_broker (mongocrypt_ctx_t *ctx)
	+{
	+ _mongocrypt_key_broker_t *kb;
	+ mongocrypt_status_t *status;
	+ mongocrypt_ctx_state_t new_state = MONGOCRYPT_CTX_ERROR;
	+ bool ret = false;
	+
	+ status = ctx->status;
	+ kb = &ctx->kb;
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+
	+ switch (kb->state) {
	+ case KB_ERROR:
	+ _mongocrypt_status_copy_to (kb->status, status);
	+ new_state = MONGOCRYPT_CTX_ERROR;
	+ ret = false;
	+ break;
	+ case KB_ADDING_DOCS:
	+ /* Require key documents from driver. */
	+ new_state = MONGOCRYPT_CTX_NEED_MONGO_KEYS;
	+ ret = true;
	+ break;
	+ case KB_AUTHENTICATING:
	+ case KB_DECRYPTING_KEY_MATERIAL:
	+ /* Encrypted keys need KMS. */
	+ new_state = MONGOCRYPT_CTX_NEED_KMS;
	+ ret = true;
	+ break;
	+ case KB_DONE:
	+ new_state = MONGOCRYPT_CTX_READY;
	+ if (kb->key_requests == NULL) {
	+ /* No key requests were ever added. */
	+ ctx->nothing_to_do = true; /* nothing to encrypt/decrypt */
	+ }
	+ ret = true;
	+ break;
	+ /* As currently implemented, we do not expect to ever be in KB_REQUESTING
	+ * state when calling this function. */
	+ case KB_REQUESTING:
	+ CLIENT_ERR ("key broker in unexpected state");
	+ new_state = MONGOCRYPT_CTX_ERROR;
	+ ret = false;
	+ break;
	+ }
	+
	+ if (new_state != ctx->state) {
	+ ctx->state = new_state;
	+ }
	+
	+ return ret;
	+}
	+
	+
	+bool
	+mongocrypt_ctx_setopt_masterkey_aws_endpoint (mongocrypt_ctx_t *ctx,
	+ const char *endpoint,
	+ int32_t endpoint_len)
	+{
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_AWS &&
	+ ctx->opts.kek.kms_provider != MONGOCRYPT_KMS_PROVIDER_NONE) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "endpoint prohibited");
	+ }
	+
	+ ctx->opts.kek.kms_provider = MONGOCRYPT_KMS_PROVIDER_AWS;
	+
	+ if (ctx->opts.kek.provider.aws.endpoint) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "already set masterkey endpoint");
	+ }
	+
	+ ctx->opts.kek.provider.aws.endpoint = _mongocrypt_endpoint_new (
	+ endpoint, endpoint_len, NULL /* opts */, ctx->status);
	+ if (!ctx->opts.kek.provider.aws.endpoint) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+mongocrypt_ctx_setopt_key_encryption_key (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *bin)
	+{
	+ bson_t as_bson;
	+
	+ if (!ctx) {
	+ return false;
	+ }
	+
	+ if (ctx->initialized) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "cannot set options after init");
	+ }
	+
	+ if (ctx->state == MONGOCRYPT_CTX_ERROR) {
	+ return false;
	+ }
	+
	+ if (ctx->opts.kek.kms_provider) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "key encryption key already set");
	+ }
	+
	+ if (!_mongocrypt_binary_to_bson (bin, &as_bson)) {
	+ return _mongocrypt_ctx_fail_w_msg (ctx, "invalid BSON");
	+ }
	+
	+ if (!_mongocrypt_kek_parse_owned (&as_bson, &ctx->opts.kek, ctx->status)) {
	+ return _mongocrypt_ctx_fail (ctx);
	+ }
	+
	+ if (ctx->crypt->log.trace_enabled) {
	+ char *bin_str = bson_as_canonical_extended_json (&as_bson, NULL);
	+ _mongocrypt_log (&ctx->crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\")",
	+ BSON_FUNC,
	+ "bin",
	+ bin_str);
	+ bson_free (bin_str);
	+ }
	+
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-dll-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-dll-private.h
	new file mode 100644
	index 00000000..1f4f68d0
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-dll-private.h
	@@ -0,0 +1,79 @@
	+#ifndef MONGOCRYPT_DLL_PRIVATE_H
	+#define MONGOCRYPT_DLL_PRIVATE_H
	+
	+#include <mlib/str.h>
	+
	+#include <stdlib.h>
	+
	+#if _WIN32
	+#define MCR_DLL_SUFFIX ".dll"
	+#elif __APPLE__
	+#define MCR_DLL_SUFFIX ".dylib"
	+#else
	+#define MCR_DLL_SUFFIX ".so"
	+#endif
	+
	+#define MCR_DLL_NULL \
	+ ((mcr_dll){._native_handle = NULL, .error_string = MSTR_NULL})
	+
	+/**
	+ * @brief A dynamically-loaded library i.e. returned by LoadLibrary() or
	+ * dlopen()
	+ */
	+typedef struct mcr_dll {
	+ // (All supported platforms use a void* as the library handle type)
	+ void *_native_handle;
	+ mstr error_string;
	+} mcr_dll;
	+
	+/**
	+ * @brief Open and load a dynamic library
	+ *
	+ * @param lib A path or name of a library, suitable for encoding as a
	+ * filepath on the host system.
	+ *
	+ * @return mcr_dll A newly opened dynamic library, which must be
	+ * released using @ref mcr_dll_close()
	+ *
	+ * If the given `lib` is a qualified path (either relative or absolute) and not
	+ * just a filename, then the system will search for the library on the system's
	+ * default library search paths. If `lib` is a qualified relative path (not just
	+ * a filename), it will be resolved relative to the application's working
	+ * directory.
	+ */
	+mcr_dll
	+mcr_dll_open (const char *lib);
	+
	+/**
	+ * @brief Close a dynamic library opened with @ref mcr_dll_open
	+ *
	+ * @param dll A dynamic library handle
	+ */
	+static inline void
	+mcr_dll_close (mcr_dll dll)
	+{
	+ extern void mcr_dll_close_handle (mcr_dll);
	+ mcr_dll_close_handle (dll);
	+ mstr_free (dll.error_string);
	+}
	+
	+/**
	+ * @brief Obtain a pointer to an exported entity from the given dynamic library.
	+ *
	+ * @param dll A library opened with @ref mcr_dll_open
	+ * @param symbol The name of a symbol to open
	+ * @return void* A pointer to that symbol, or NULL if not found
	+ */
	+void *
	+mcr_dll_sym (mcr_dll dll, const char *symbol);
	+
	+/**
	+ * @brief Determine whether the given DLL is a handle to an open library
	+ */
	+static inline bool
	+mcr_dll_is_open (mcr_dll dll)
	+{
	+ return dll._native_handle != NULL;
	+}
	+
	+#endif // MONGOCRYPT_DLL_PRIVATE_H
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-endpoint-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-endpoint-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-endpoint-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-endpoint-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-endpoint.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-endpoint.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-endpoint.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-endpoint.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kek-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kek-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kek-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kek-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kek.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kek.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kek.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kek.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key-broker-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key-broker-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key-broker-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key-broker-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key-broker.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key-broker.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key-broker.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key-broker.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-key.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-key.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kms-ctx-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kms-ctx-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kms-ctx-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kms-ctx-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kms-ctx.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kms-ctx.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-kms-ctx.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-kms-ctx.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-log-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-log-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-log-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-log-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-log.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-log.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-log.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-log.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-marking-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-marking-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-marking-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-marking-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-marking.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-marking.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-marking.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-marking.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-mutex-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-mutex-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-mutex-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-mutex-private.h
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-opts-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-opts-private.h
	new file mode 100644
	index 00000000..e7a99719
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-opts-private.h
	@@ -0,0 +1,200 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef MONGOCRYPT_OPTS_PRIVATE_H
	+#define MONGOCRYPT_OPTS_PRIVATE_H
	+
	+#include <bson/bson.h>
	+
	+#include "mlib/str.h"
	+
	+#include "mongocrypt.h"
	+#include "mongocrypt-buffer-private.h"
	+#include "mongocrypt-log-private.h"
	+#include "mongocrypt-endpoint-private.h"
	+#include "mongocrypt-kek-private.h"
	+
	+typedef struct {
	+ char *tenant_id;
	+ char *client_id;
	+ char *client_secret;
	+ _mongocrypt_endpoint_t *identity_platform_endpoint;
	+} _mongocrypt_opts_kms_provider_azure_t;
	+
	+typedef struct {
	+ char *email;
	+ _mongocrypt_buffer_t private_key;
	+ _mongocrypt_endpoint_t *endpoint;
	+} _mongocrypt_opts_kms_provider_gcp_t;
	+
	+typedef struct {
	+ char *secret_access_key;
	+ char *access_key_id;
	+ char *session_token;
	+} _mongocrypt_opts_kms_provider_aws_t;
	+
	+typedef struct {
	+ _mongocrypt_buffer_t key;
	+} _mongocrypt_opts_kms_provider_local_t;
	+
	+typedef struct {
	+ _mongocrypt_endpoint_t *endpoint;
	+} _mongocrypt_opts_kms_provider_kmip_t;
	+
	+typedef struct {
	+ mongocrypt_log_fn_t log_fn;
	+ void *log_ctx;
	+ _mongocrypt_buffer_t schema_map;
	+
	+ int kms_providers; /* A bit set of _mongocrypt_kms_provider_t */
	+ _mongocrypt_opts_kms_provider_local_t kms_provider_local;
	+ _mongocrypt_opts_kms_provider_aws_t kms_provider_aws;
	+ _mongocrypt_opts_kms_provider_azure_t kms_provider_azure;
	+ _mongocrypt_opts_kms_provider_gcp_t kms_provider_gcp;
	+ _mongocrypt_opts_kms_provider_kmip_t kms_provider_kmip;
	+ mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5;
	+ void *sign_ctx;
	+
	+ /// Keep an array of search paths for finding the CSFLE dynamic library
	+ /// during mongocrypt_init()
	+ int n_cselib_search_paths;
	+ mstr *cselib_search_paths;
	+ /// Optionally, a user may override the default search behavior by specifying
	+ /// a specifiy path to the library. If this is set, this suppresses the
	+ /// search behavior.
	+ mstr csfle_lib_override_path;
	+} _mongocrypt_opts_t;
	+
	+
	+void
	+_mongocrypt_opts_init (_mongocrypt_opts_t *opts);
	+
	+
	+void
	+_mongocrypt_opts_cleanup (_mongocrypt_opts_t *opts);
	+
	+
	+bool
	+_mongocrypt_opts_validate (_mongocrypt_opts_t *opts,
	+ mongocrypt_status_t *status)
	+ MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+/*
	+ * Parse an optional UTF-8 value from BSON.
	+ * @dotkey may be a dot separated key like: "a.b.c".
	+ * @*out is set to a copy of the string if found, NULL otherwise. Caller must
	+ * clean up with bson_free (*out).
	+ * Returns true if no error occured.
	+ */
	+bool
	+_mongocrypt_parse_optional_utf8 (const bson_t *bson,
	+ const char *dotkey,
	+ char **out,
	+ mongocrypt_status_t *status);
	+
	+/*
	+ * Parse a required UTF-8 value from BSON.
	+ * @dotkey may be a dot separated key like: "a.b.c".
	+ * @*out is set to a copy of the string if found, NULL otherwise. Caller must
	+ * clean up with bson_free (*out).
	+ * Returns true if no error occured.
	+ */
	+bool
	+_mongocrypt_parse_required_utf8 (const bson_t *bson,
	+ const char *dotkey,
	+ char **out,
	+ mongocrypt_status_t *status);
	+
	+/*
	+ * Parse an optional endpoint UTF-8 from BSON.
	+ * @dotkey may be a dot separated key like: "a.b.c".
	+ * @*out is set to a new _mongocrypt_endpoint_t of the if found, NULL otherwise.
	+ * @*opts may be set to configure endpoint parsing. It is optional and may be NULL.
	+ * Caller must clean up with _mongocrypt_endpoint_destroy (*out).
	+ * Returns true if no error occured.
	+ */
	+bool
	+_mongocrypt_parse_optional_endpoint (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_endpoint_t **out,
	+ _mongocrypt_endpoint_parse_opts_t *opts,
	+ mongocrypt_status_t *status);
	+
	+/*
	+ * Parse a required endpoint UTF-8 from BSON.
	+ * @dotkey may be a dot separated key like: "a.b.c".
	+ * @*out is set to a new _mongocrypt_endpoint_t of the if found, NULL otherwise.
	+ * @*opts may be set to configure endpoint parsing. It is optional and may be NULL.
	+ * Caller must clean up with _mongocrypt_endpoint_destroy (*out).
	+ * Returns true if no error occured.
	+ */
	+bool
	+_mongocrypt_parse_required_endpoint (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_endpoint_t **out,
	+ _mongocrypt_endpoint_parse_opts_t *opts,
	+ mongocrypt_status_t *status);
	+
	+/*
	+ * Parse an optional binary type from BSON.
	+ * The field parsed is accepted as:
	+ * - A BSON binary value (of any subtype).
	+ * - A BSON UTF-8 value, set to base64 encoded data.
	+ *
	+ * @dotkey may be a dot separated key like: "a.b.c"
	+ * @out is initialized with the parsed data, or initialized to empty on error.
	+ * Caller must clean up with _mongocrypt_buffer_cleanup (out).
	+ * Returns true if no error occurred.
	+ */
	+bool
	+_mongocrypt_parse_optional_binary (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status);
	+
	+/*
	+ * Parse a required binary type from BSON.
	+ * The field parsed is accepted as:
	+ * - A BSON binary value (of any subtype).
	+ * - A BSON UTF-8 value, set to base64 encoded data.
	+ *
	+ * @dotkey may be a dot separated key like: "a.b.c"
	+ * @out is initialized with the parsed data, or initialized to empty on error.
	+ * Caller must clean up with _mongocrypt_buffer_cleanup (out).
	+ * Returns true if no error occurred.
	+ */
	+bool
	+_mongocrypt_parse_required_binary (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status);
	+
	+/*
	+ * Checks for unrecognized fields in parsing @bson.
	+ * @dotkey is a dot separated path to a document field, like "a.b.c" or NULL.
	+ * Pass a list of allowed fields.
	+ * Returns true if no error occurred.
	+ */
	+bool
	+_mongocrypt_check_allowed_fields_va (const bson_t *bson,
	+ const char *dotkey,
	+ mongocrypt_status_t *status,
	+ ...);
	+
	+#define _mongocrypt_check_allowed_fields(bson, path, status, ...) \
	+ _mongocrypt_check_allowed_fields_va (bson, path, status, __VA_ARGS__, NULL)
	+
	+#endif /* MONGOCRYPT_OPTS_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-opts.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-opts.c
	new file mode 100644
	index 00000000..8bf30a8c
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-opts.c
	@@ -0,0 +1,296 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <bson/bson.h>
	+
	+#include "mongocrypt-opts-private.h"
	+#include "mongocrypt-log-private.h"
	+#include "mongocrypt-private.h"
	+
	+#include <kms_message/kms_b64.h>
	+
	+void
	+_mongocrypt_opts_init (_mongocrypt_opts_t *opts)
	+{
	+ memset (opts, 0, sizeof (*opts));
	+}
	+
	+static void
	+_mongocrypt_opts_kms_provider_azure_cleanup (
	+ _mongocrypt_opts_kms_provider_azure_t *kms_provider_azure)
	+{
	+ bson_free (kms_provider_azure->client_id);
	+ bson_free (kms_provider_azure->client_secret);
	+ bson_free (kms_provider_azure->tenant_id);
	+ _mongocrypt_endpoint_destroy (
	+ kms_provider_azure->identity_platform_endpoint);
	+}
	+
	+static void
	+_mongocrypt_opts_kms_provider_gcp_cleanup (
	+ _mongocrypt_opts_kms_provider_gcp_t *kms_provider_gcp)
	+{
	+ bson_free (kms_provider_gcp->email);
	+ _mongocrypt_endpoint_destroy (kms_provider_gcp->endpoint);
	+ _mongocrypt_buffer_cleanup (&kms_provider_gcp->private_key);
	+}
	+
	+void
	+_mongocrypt_opts_cleanup (_mongocrypt_opts_t *opts)
	+{
	+ bson_free (opts->kms_provider_aws.secret_access_key);
	+ bson_free (opts->kms_provider_aws.access_key_id);
	+ bson_free (opts->kms_provider_aws.session_token);
	+ _mongocrypt_buffer_cleanup (&opts->kms_provider_local.key);
	+ _mongocrypt_buffer_cleanup (&opts->schema_map);
	+ _mongocrypt_opts_kms_provider_azure_cleanup (&opts->kms_provider_azure);
	+ _mongocrypt_opts_kms_provider_gcp_cleanup (&opts->kms_provider_gcp);
	+ _mongocrypt_endpoint_destroy (opts->kms_provider_kmip.endpoint);
	+ // Free any lib search paths added by the caller
	+ for (int i = 0; i < opts->n_cselib_search_paths; ++i) {
	+ mstr_free (opts->cselib_search_paths[i]);
	+ }
	+ bson_free (opts->cselib_search_paths);
	+ mstr_free (opts->csfle_lib_override_path);
	+}
	+
	+
	+bool
	+_mongocrypt_opts_validate (_mongocrypt_opts_t *opts,
	+ mongocrypt_status_t *status)
	+{
	+ if (!opts->kms_providers) {
	+ CLIENT_ERR ("no kms provider set");
	+ return false;
	+ }
	+
	+ if (opts->kms_providers & MONGOCRYPT_KMS_PROVIDER_AWS) {
	+ if (!opts->kms_provider_aws.access_key_id \|\|
	+ !opts->kms_provider_aws.secret_access_key) {
	+ CLIENT_ERR ("aws credentials unset");
	+ return false;
	+ }
	+ }
	+
	+ if (opts->kms_providers & MONGOCRYPT_KMS_PROVIDER_LOCAL) {
	+ if (_mongocrypt_buffer_empty (&opts->kms_provider_local.key)) {
	+ CLIENT_ERR ("local data key unset");
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+_mongocrypt_parse_optional_utf8 (const bson_t *bson,
	+ const char *dotkey,
	+ char **out,
	+ mongocrypt_status_t *status)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+
	+ *out = NULL;
	+
	+ if (!bson_iter_init (&iter, bson)) {
	+ CLIENT_ERR ("invalid BSON");
	+ return false;
	+ }
	+ if (!bson_iter_find_descendant (&iter, dotkey, &child)) {
	+ /* Not found. Not an error. */
	+ return true;
	+ }
	+ if (!BSON_ITER_HOLDS_UTF8 (&child)) {
	+ CLIENT_ERR ("expected UTF-8 %s", dotkey);
	+ return false;
	+ }
	+
	+ *out = bson_strdup (bson_iter_utf8 (&child, NULL));
	+ return true;
	+}
	+
	+
	+bool
	+_mongocrypt_parse_required_utf8 (const bson_t *bson,
	+ const char *dotkey,
	+ char **out,
	+ mongocrypt_status_t *status)
	+{
	+ if (!_mongocrypt_parse_optional_utf8 (bson, dotkey, out, status)) {
	+ return false;
	+ }
	+
	+ if (!*out) {
	+ CLIENT_ERR ("expected UTF-8 %s", dotkey);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+_mongocrypt_parse_optional_endpoint (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_endpoint_t **out,
	+ _mongocrypt_endpoint_parse_opts_t *opts,
	+ mongocrypt_status_t *status)
	+{
	+ char *endpoint_raw;
	+
	+ *out = NULL;
	+
	+ if (!_mongocrypt_parse_optional_utf8 (bson, dotkey, &endpoint_raw, status)) {
	+ return false;
	+ }
	+
	+ /* Not found. Not an error. */
	+ if (!endpoint_raw) {
	+ return true;
	+ }
	+
	+ *out = _mongocrypt_endpoint_new (endpoint_raw, -1, opts, status);
	+ bson_free (endpoint_raw);
	+ return (*out) != NULL;
	+}
	+
	+bool
	+_mongocrypt_parse_required_endpoint (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_endpoint_t **out,
	+ _mongocrypt_endpoint_parse_opts_t *opts,
	+ mongocrypt_status_t *status)
	+{
	+ if (!_mongocrypt_parse_optional_endpoint (bson, dotkey, out, opts, status)) {
	+ return false;
	+ }
	+
	+ if (!*out) {
	+ CLIENT_ERR ("expected endpoint %s", dotkey);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+_mongocrypt_parse_optional_binary (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ bson_iter_t iter;
	+ bson_iter_t child;
	+
	+ _mongocrypt_buffer_init (out);
	+
	+ if (!bson_iter_init (&iter, bson)) {
	+ CLIENT_ERR ("invalid BSON");
	+ return false;
	+ }
	+ if (!bson_iter_find_descendant (&iter, dotkey, &child)) {
	+ /* Not found. Not an error. */
	+ return true;
	+ }
	+ if (BSON_ITER_HOLDS_UTF8 (&child)) {
	+ size_t out_len;
	+ /* Attempt to base64 decode. */
	+ out->data =
	+ kms_message_b64_to_raw (bson_iter_utf8 (&child, NULL), &out_len);
	+ if (!out->data) {
	+ CLIENT_ERR ("unable to parse base64 from UTF-8 field %s", dotkey);
	+ return false;
	+ }
	+ out->len = (uint32_t) out_len;
	+ out->owned = true;
	+ } else if (BSON_ITER_HOLDS_BINARY (&child)) {
	+ if (!_mongocrypt_buffer_copy_from_binary_iter (out, &child)) {
	+ CLIENT_ERR ("unable to parse binary from field %s", dotkey);
	+ return false;
	+ }
	+ } else {
	+ CLIENT_ERR ("expected UTF-8 or binary %s", dotkey);
	+ return false;
	+ }
	+
	+
	+ return true;
	+}
	+
	+bool
	+_mongocrypt_parse_required_binary (const bson_t *bson,
	+ const char *dotkey,
	+ _mongocrypt_buffer_t *out,
	+ mongocrypt_status_t *status)
	+{
	+ if (!_mongocrypt_parse_optional_binary (bson, dotkey, out, status)) {
	+ return false;
	+ }
	+
	+ if (out->len == 0) {
	+ CLIENT_ERR ("expected UTF-8 or binary %s", dotkey);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+bool
	+_mongocrypt_check_allowed_fields_va (const bson_t *bson,
	+ const char *dotkey,
	+ mongocrypt_status_t *status,
	+ ...)
	+{
	+ va_list args;
	+ const char *field;
	+ bson_iter_t iter;
	+
	+ if (dotkey) {
	+ bson_iter_t parent;
	+
	+ bson_iter_init (&parent, bson);
	+ if (!bson_iter_find_descendant (&parent, dotkey, &iter) \|\|
	+ !BSON_ITER_HOLDS_DOCUMENT (&iter)) {
	+ CLIENT_ERR ("invalid BSON, expected %s", dotkey);
	+ return false;
	+ }
	+ bson_iter_recurse (&iter, &iter);
	+ } else {
	+ bson_iter_init (&iter, bson);
	+ }
	+
	+ while (bson_iter_next (&iter)) {
	+ bool found = false;
	+
	+ va_start (args, status);
	+ field = va_arg (args, const char *);
	+ while (field) {
	+ if (0 == strcmp (field, bson_iter_key (&iter))) {
	+ found = true;
	+ break;
	+ }
	+ field = va_arg (args, const char *);
	+ }
	+ va_end (args);
	+
	+ if (!found) {
	+ CLIENT_ERR ("Unexpected field: '%s'", bson_iter_key (&iter));
	+ return false;
	+ }
	+ }
	+ return true;
	+}
	\ No newline at end of file
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-private.h
	new file mode 100644
	index 00000000..97916000
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-private.h
	@@ -0,0 +1,158 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef MONGOCRYPT_PRIVATE_H
	+#define MONGOCRYPT_PRIVATE_H
	+
	+#include "mongocrypt.h"
	+#include "mongocrypt-config.h"
	+#include "bson/bson.h"
	+
	+#include "mongocrypt-dll-private.h"
	+#include "mongocrypt-log-private.h"
	+#include "mongocrypt-buffer-private.h"
	+#include "mongocrypt-cache-private.h"
	+#include "mongocrypt-cache-key-private.h"
	+#include "mongocrypt-mutex-private.h"
	+#include "mongocrypt-opts-private.h"
	+#include "mongocrypt-crypto-private.h"
	+#include "mongocrypt-cache-oauth-private.h"
	+
	+#include "mongo_csfle-v1.h"
	+
	+
	+#define MONGOCRYPT_GENERIC_ERROR_CODE 1
	+
	+#define CLIENT_ERR_W_CODE(code, ...) \
	+ _mongocrypt_set_error ( \
	+ status, MONGOCRYPT_STATUS_ERROR_CLIENT, code, __VA_ARGS__)
	+
	+#define CLIENT_ERR(...) \
	+ CLIENT_ERR_W_CODE (MONGOCRYPT_GENERIC_ERROR_CODE, __VA_ARGS__)
	+
	+#define KMS_ERR_W_CODE(code, ...) \
	+ _mongocrypt_set_error ( \
	+ status, MONGOCRYPT_STATUS_ERROR_KMS, code, __VA_ARGS__)
	+
	+#define KMS_ERR(...) KMS_ERR_W_CODE (MONGOCRYPT_GENERIC_ERROR_CODE, __VA_ARGS__)
	+
	+#define MONGOCRYPT_STR_AND_LEN(x) (x), (sizeof (x) / sizeof ((x)[0]) - 1)
	+
	+#define MONGOCRYPT_DATA_AND_LEN(x) \
	+ ((uint8_t *) x), (sizeof (x) / sizeof ((x)[0]) - 1)
	+
	+/* TODO: remove after integrating into libmongoc */
	+#define BSON_SUBTYPE_ENCRYPTED 6
	+
	+/* TODO: Move these to mongocrypt-log-private.h? */
	+const char *
	+tmp_json (const bson_t *bson);
	+
	+const char *
	+tmp_buf (const _mongocrypt_buffer_t *buf);
	+
	+
	+void
	+_mongocrypt_set_error (mongocrypt_status_t *status,
	+ mongocrypt_status_type_t type,
	+ uint32_t code,
	+ const char *format,
	+ ...);
	+
	+typedef struct _mcr_csfle_v1_vtable {
	+#define MONGOC_CSFLE_FUNCTIONS_X \
	+ /* status methods */ \
	+ X_FUNC (status_create, mongo_csfle_v1_status *, void) \
	+ X_FUNC (status_destroy, void, mongo_csfle_v1_status *status) \
	+ X_FUNC (status_get_error, int, const mongo_csfle_v1_status *status) \
	+ X_FUNC (status_get_explanation, \
	+ const char *, \
	+ const mongo_csfle_v1_status *status) \
	+ X_FUNC (status_get_code, int, const mongo_csfle_v1_status *status) \
	+ /* lib methods */ \
	+ X_FUNC (lib_create, mongo_csfle_v1_lib , mongo_csfle_v1_status status) \
	+ X_FUNC (lib_destroy, \
	+ int, \
	+ mongo_csfle_v1_lib *lib, \
	+ mongo_csfle_v1_status *status) \
	+ /* query_analyzer methods */ \
	+ X_FUNC (query_analyzer_create, \
	+ mongo_csfle_v1_query_analyzer *, \
	+ mongo_csfle_v1_lib *lib, \
	+ mongo_csfle_v1_status *status) \
	+ X_FUNC ( \
	+ query_analyzer_destroy, void, mongo_csfle_v1_query_analyzer *analyzer) \
	+ X_FUNC (analyze_query, \
	+ uint8_t *, \
	+ mongo_csfle_v1_query_analyzer *analyer, \
	+ const uint8_t *documentBSON, \
	+ const char *ns_str, \
	+ uint32_t ns_len, \
	+ uint32_t *bson_len, \
	+ mongo_csfle_v1_status *status) \
	+ /* Free bson data created by csfle */ \
	+ X_FUNC (bson_free, void, uint8_t *bson)
	+
	+ /// At time of writing, these two symbols seem to be missing from the CSFLE
	+ /// build, despite documentation in the csfle header (Refer: SERVER-63680):
	+ // X_FUNC (get_version, uint64_t, void)
	+ // X_FUNC (get_version_str, const char *, void)
	+
	+#define X_FUNC(Name, RetType, ...) RetType (*Name) (__VA_ARGS__);
	+ MONGOC_CSFLE_FUNCTIONS_X
	+#undef X_FUNC
	+
	+} _mcr_csfle_v1_vtable;
	+
	+
	+struct _mongocrypt_t {
	+ bool initialized;
	+ _mongocrypt_opts_t opts;
	+ mongocrypt_mutex_t mutex;
	+ /* The collinfo and key cache are protected with an internal mutex. */
	+ _mongocrypt_cache_t cache_collinfo;
	+ _mongocrypt_cache_t cache_key;
	+ _mongocrypt_log_t log;
	+ mongocrypt_status_t *status;
	+ _mongocrypt_crypto_t *crypto;
	+ /* A counter, protected by mutex, for generating unique context ids */
	+ uint32_t ctx_counter;
	+ _mongocrypt_cache_oauth_t *cache_oauth_azure;
	+ _mongocrypt_cache_oauth_t *cache_oauth_gcp;
	+ /// A CSFLE DLL, initialized by mongocrypt_init
	+ mcr_dll csfle_lib;
	+ _mcr_csfle_v1_vtable csfle_vtable;
	+};
	+
	+typedef enum {
	+ MONGOCRYPT_ENCRYPTION_ALGORITHM_NONE = 0,
	+ MONGOCRYPT_ENCRYPTION_ALGORITHM_DETERMINISTIC = 1,
	+ MONGOCRYPT_ENCRYPTION_ALGORITHM_RANDOM = 2
	+} mongocrypt_encryption_algorithm_t;
	+
	+
	+bool
	+_mongocrypt_validate_and_copy_string (const char *in,
	+ int32_t in_len,
	+ char **out) MONGOCRYPT_WARN_UNUSED_RESULT;
	+
	+char *
	+_mongocrypt_new_string_from_bytes (const void *in, int len);
	+
	+char *
	+_mongocrypt_new_json_string_from_binary (mongocrypt_binary_t *binary);
	+
	+#endif /* MONGOCRYPT_PRIVATE_H */
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-status-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-status-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-status-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-status-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-status.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-status.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-status.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-status.c
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-traverse-util-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-traverse-util-private.h
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-traverse-util-private.h
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-traverse-util-private.h
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-traverse-util.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-traverse-util.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/mongocrypt-traverse-util.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-traverse-util.c
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-util-private.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-util-private.h
	new file mode 100644
	index 00000000..1f13941e
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-util-private.h
	@@ -0,0 +1,58 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef MONGOCRYPT_UTIL_PRIVATE_H
	+#define MONGOCRYPT_UTIL_PRIVATE_H
	+
	+#include "mlib/str.h"
	+
	+#include <stdbool.h>
	+#include <stddef.h>
	+#include <stdint.h>
	+
	+/* A utility for safely casting from size_t to uint32_t.
	+ * Returns false if @in exceeds the maximum value of a uint32_t. */
	+bool
	+size_to_uint32 (size_t in, uint32_t *out);
	+
	+
	+/**
	+ * @brief The result type of mpath_current_exe_path()
	+ *
	+ * The @ref current_module_result::path member must be freed with mstr_free()
	+ */
	+typedef struct current_module_result {
	+ /// The resulting executable path
	+ mstr path;
	+ /// An error, if the path could not be obtained
	+ int error;
	+} current_module_result;
	+
	+/**
	+ * @brief Obtain the path to the calling executable module
	+ *
	+ * If this function is contained in a dynamic library, this will return the path
	+ * to that library file, otherwise it will return the path to the running
	+ * executable.
	+ *
	+ * @return current_module_result A result object of the operation. Check the
	+ * `.error` member for non-zero. The `.path` member must be freed with
	+ * mtsr_free()
	+ */
	+current_module_result
	+current_module_path ();
	+
	+#endif /* MONGOCRYPT_UTIL_PRIVATE_H */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-util.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-util.c
	new file mode 100644
	index 00000000..bd77a02d
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt-util.c
	@@ -0,0 +1,96 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+// Turn on libc extensions so that we can use dladdr() on Unix-like systems
	+#if defined(__has_include) && \
	+ !(defined(_GNU_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
	+#if __has_include(<features.h>)
	+// We're using a glibc-compatible library
	+#define _GNU_SOURCE
	+#elif __has_include(<Availability.h>)
	+// We're on Apple/Darwin
	+#define _DARWIN_C_SOURCE
	+#endif
	+#else // No __has_include
	+#if __GNUC__ < 5
	+// Best guess on older GCC is that we are using glibc
	+#define _GNU_SOURCE
	+#endif
	+#endif
	+
	+#include "mongocrypt-util-private.h"
	+
	+#include "mlib/thread.h"
	+
	+#include <errno.h>
	+
	+#ifdef _WIN32
	+#include <windows.h>
	+#else
	+#include <dlfcn.h>
	+#endif
	+
	+bool
	+size_to_uint32 (size_t in, uint32_t *out)
	+{
	+ if (in > UINT32_MAX) {
	+ return false;
	+ }
	+ *out = (uint32_t) in;
	+ return true;
	+}
	+
	+current_module_result
	+current_module_path ()
	+{
	+ mstr ret_str = MSTR_NULL;
	+ int ret_error = 0;
	+#ifdef _WIN32
	+ DWORD acc_size = 512;
	+ while (!ret_str.data && !ret_error) {
	+ // Loop until we allocate a large enough buffer or get an error
	+ wchar_t *path = calloc (acc_size + 1, sizeof (wchar_t));
	+ SetLastError (0);
	+ GetModuleFileNameW (NULL, path, acc_size);
	+ if (GetLastError () == ERROR_INSUFFICIENT_BUFFER) {
	+ // Try again with more buffer
	+ acc_size *= 2;
	+ } else if (GetLastError () != 0) {
	+ ret_error = GetLastError ();
	+ } else {
	+ mstr_narrow_result narrow = mstr_win32_narrow (path);
	+ // GetModuleFileNameW should never return invalid Unicode:
	+ assert (narrow.error == 0);
	+ ret_str = narrow.string;
	+ }
	+ free (path);
	+ }
	+#elif defined(_GNU_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
	+ // Darwin/BSD/glibc define extensions for finding dynamic library info from
	+ // the address of a symbol.
	+ Dl_info info;
	+ int rc = dladdr ((const void *) current_module_path, &info);
	+ if (rc == 0) {
	+ // Failed to resolve the symbol
	+ ret_error = ENOENT;
	+ } else {
	+ ret_str = mstr_copy_cstr (info.dli_fname);
	+ }
	+#else
	+#error "Don't know how to get the module path on this platform"
	+#endif
	+ return (current_module_result){.path = ret_str, .error = ret_error};
	+}
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.c b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.c
	new file mode 100644
	index 00000000..7292e287
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.c
	@@ -0,0 +1,1008 @@
	+/*
	+ * Copyright 2018-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "mlib/thread.h"
	+#include "mlib/path.h"
	+#include "mlib/error.h"
	+
	+#include <kms_message/kms_message.h>
	+#include <bson/bson.h>
	+
	+#include "mongocrypt-private.h"
	+#include "mongocrypt-binary-private.h"
	+#include "mongocrypt-cache-collinfo-private.h"
	+#include "mongocrypt-cache-key-private.h"
	+#include "mongocrypt-config.h"
	+#include "mongocrypt-crypto-private.h"
	+#include "mongocrypt-log-private.h"
	+#include "mongocrypt-opts-private.h"
	+#include "mongocrypt-status-private.h"
	+#include "mongocrypt-util-private.h"
	+
	+/* Assert size for interop with wrapper purposes */
	+BSON_STATIC_ASSERT (sizeof (mongocrypt_log_level_t) == 4);
	+
	+
	+const char *
	+mongocrypt_version (uint32_t *len)
	+{
	+ if (len) {
	+ *len = (uint32_t) strlen (MONGOCRYPT_VERSION);
	+ }
	+ return MONGOCRYPT_VERSION;
	+}
	+
	+
	+void
	+_mongocrypt_set_error (mongocrypt_status_t *status,
	+ mongocrypt_status_type_t type,
	+ uint32_t code,
	+ const char *format,
	+ ...)
	+{
	+ va_list args;
	+ char *prepared_message;
	+
	+ if (status) {
	+ va_start (args, format);
	+ prepared_message = bson_strdupv_printf (format, args);
	+ if (!prepared_message) {
	+ mongocrypt_status_set (status, type, code, "Out of memory", -1);
	+ } else {
	+ mongocrypt_status_set (status, type, code, prepared_message, -1);
	+ bson_free (prepared_message);
	+ }
	+ va_end (args);
	+ }
	+}
	+
	+
	+const char *
	+tmp_json (const bson_t *bson)
	+{
	+ static char storage[1024];
	+ char *json;
	+
	+ memset (storage, 0, 1024);
	+ json = bson_as_canonical_extended_json (bson, NULL);
	+ bson_snprintf (storage, sizeof (storage), "%s", json);
	+ bson_free (json);
	+ return (const char *) storage;
	+}
	+
	+
	+const char *
	+tmp_buf (const _mongocrypt_buffer_t *buf)
	+{
	+ static char storage[1024];
	+ uint32_t i, n;
	+
	+ memset (storage, 0, 1024);
	+ /* capped at two characters per byte, minus 1 for trailing \0 */
	+ n = sizeof (storage) / 2 - 1;
	+ if (buf->len < n) {
	+ n = buf->len;
	+ }
	+
	+ for (i = 0; i < n; i++) {
	+ bson_snprintf (storage + (i * 2), 3, "%02x", buf->data[i]);
	+ }
	+
	+ return (const char *) storage;
	+}
	+
	+void
	+_mongocrypt_do_init (void)
	+{
	+ (void) kms_message_init ();
	+ _native_crypto_init ();
	+}
	+
	+
	+mongocrypt_t *
	+mongocrypt_new (void)
	+{
	+ mongocrypt_t *crypt;
	+
	+ crypt = bson_malloc0 (sizeof (mongocrypt_t));
	+ BSON_ASSERT (crypt);
	+
	+ _mongocrypt_mutex_init (&crypt->mutex);
	+ _mongocrypt_cache_collinfo_init (&crypt->cache_collinfo);
	+ _mongocrypt_cache_key_init (&crypt->cache_key);
	+ crypt->status = mongocrypt_status_new ();
	+ _mongocrypt_opts_init (&crypt->opts);
	+ _mongocrypt_log_init (&crypt->log);
	+ crypt->ctx_counter = 1;
	+ crypt->cache_oauth_azure = _mongocrypt_cache_oauth_new ();
	+ crypt->cache_oauth_gcp = _mongocrypt_cache_oauth_new ();
	+ crypt->csfle_lib = MCR_DLL_NULL;
	+
	+ static mlib_once_flag init_flag = MLIB_ONCE_INITIALIZER;
	+
	+ if (!mlib_call_once (&init_flag, _mongocrypt_do_init) \|\|
	+ !_native_crypto_initialized) {
	+ mongocrypt_status_t *status = crypt->status;
	+
	+ CLIENT_ERR ("failed to initialize");
	+ /* Return crypt with failure status so caller can obtain error when
	+ * calling mongocrypt_init */
	+ }
	+
	+ return crypt;
	+}
	+
	+
	+bool
	+mongocrypt_setopt_log_handler (mongocrypt_t *crypt,
	+ mongocrypt_log_fn_t log_fn,
	+ void *log_ctx)
	+{
	+ if (!crypt) {
	+ return false;
	+ }
	+
	+ if (crypt->initialized) {
	+ mongocrypt_status_t *status = crypt->status;
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+ crypt->opts.log_fn = log_fn;
	+ crypt->opts.log_ctx = log_ctx;
	+ return true;
	+}
	+
	+bool
	+mongocrypt_setopt_kms_provider_aws (mongocrypt_t *crypt,
	+ const char *aws_access_key_id,
	+ int32_t aws_access_key_id_len,
	+ const char *aws_secret_access_key,
	+ int32_t aws_secret_access_key_len)
	+{
	+ mongocrypt_status_t *status;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+ status = crypt->status;
	+
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+
	+ if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_AWS)) {
	+ CLIENT_ERR ("aws kms provider already set");
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_validate_and_copy_string (
	+ aws_access_key_id,
	+ aws_access_key_id_len,
	+ &crypt->opts.kms_provider_aws.access_key_id)) {
	+ CLIENT_ERR ("invalid aws access key id");
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_validate_and_copy_string (
	+ aws_secret_access_key,
	+ aws_secret_access_key_len,
	+ &crypt->opts.kms_provider_aws.secret_access_key)) {
	+ CLIENT_ERR ("invalid aws secret access key");
	+ return false;
	+ }
	+
	+ if (crypt->log.trace_enabled) {
	+ _mongocrypt_log (&crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\", %s=%d, %s=\"%s\", %s=%d)",
	+ BSON_FUNC,
	+ "aws_access_key_id",
	+ crypt->opts.kms_provider_aws.access_key_id,
	+ "aws_access_key_id_len",
	+ aws_access_key_id_len,
	+ "aws_secret_access_key",
	+ crypt->opts.kms_provider_aws.secret_access_key,
	+ "aws_secret_access_key_len",
	+ aws_secret_access_key_len);
	+ }
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_AWS;
	+ return true;
	+}
	+
	+char *
	+_mongocrypt_new_string_from_bytes (const void *in, int len)
	+{
	+ const int max_bytes = 100;
	+ const int chars_per_byte = 2;
	+ int out_size = max_bytes * chars_per_byte;
	+ const unsigned char *src = in;
	+ char *out;
	+ char *ret;
	+
	+ out_size += len > max_bytes ? sizeof ("...") : 1 /* for null */;
	+ out = bson_malloc0 (out_size);
	+ BSON_ASSERT (out);
	+
	+ ret = out;
	+
	+ for (int i = 0; i < len && i < max_bytes; i++, out += chars_per_byte) {
	+ sprintf (out, "%02X", src[i]);
	+ }
	+
	+ sprintf (out, (len > max_bytes) ? "..." : "");
	+ return ret;
	+}
	+
	+char *
	+_mongocrypt_new_json_string_from_binary (mongocrypt_binary_t *binary)
	+{
	+ bson_t bson;
	+ uint32_t len;
	+
	+ if (!_mongocrypt_binary_to_bson (binary, &bson) \|\|
	+ !bson_validate (&bson, BSON_VALIDATE_NONE, NULL)) {
	+ char *hex;
	+ char *full_str;
	+
	+ hex = _mongocrypt_new_string_from_bytes (binary->data, binary->len);
	+ full_str = bson_strdup_printf ("(malformed) %s", hex);
	+ bson_free (hex);
	+ return full_str;
	+ }
	+ return bson_as_canonical_extended_json (&bson, (size_t *) &len);
	+}
	+
	+bool
	+mongocrypt_setopt_schema_map (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *schema_map)
	+{
	+ bson_t tmp;
	+ bson_error_t bson_err;
	+ mongocrypt_status_t *status;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+ status = crypt->status;
	+
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+
	+ if (!schema_map \|\| !mongocrypt_binary_data (schema_map)) {
	+ CLIENT_ERR ("passed null schema map");
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_buffer_empty (&crypt->opts.schema_map)) {
	+ CLIENT_ERR ("already set schema map");
	+ return false;
	+ }
	+
	+ _mongocrypt_buffer_copy_from_binary (&crypt->opts.schema_map, schema_map);
	+
	+ /* validate bson */
	+ if (!_mongocrypt_buffer_to_bson (&crypt->opts.schema_map, &tmp)) {
	+ CLIENT_ERR ("invalid bson");
	+ return false;
	+ }
	+
	+ if (!bson_validate_with_error (&tmp, BSON_VALIDATE_NONE, &bson_err)) {
	+ CLIENT_ERR (bson_err.message);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongocrypt_setopt_kms_provider_local (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *key)
	+{
	+ mongocrypt_status_t *status;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+ status = crypt->status;
	+
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+
	+ if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_LOCAL)) {
	+ CLIENT_ERR ("local kms provider already set");
	+ return false;
	+ }
	+
	+ if (!key) {
	+ CLIENT_ERR ("passed null key");
	+ return false;
	+ }
	+
	+ if (mongocrypt_binary_len (key) != MONGOCRYPT_KEY_LEN) {
	+ CLIENT_ERR ("local key must be %d bytes", MONGOCRYPT_KEY_LEN);
	+ return false;
	+ }
	+
	+ if (crypt->log.trace_enabled) {
	+ char *key_val;
	+ key_val = _mongocrypt_new_string_from_bytes (key->data, key->len);
	+
	+ _mongocrypt_log (&crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\")",
	+ BSON_FUNC,
	+ "key",
	+ key_val);
	+ bson_free (key_val);
	+ }
	+
	+ _mongocrypt_buffer_copy_from_binary (&crypt->opts.kms_provider_local.key,
	+ key);
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_LOCAL;
	+ return true;
	+}
	+
	+typedef struct {
	+ /// Whether the load is successful
	+ bool okay;
	+ /// The DLL handle to the opened library.
	+ mcr_dll lib;
	+ /// A vtable for the functions in the DLL
	+ _mcr_csfle_v1_vtable vtable;
	+} _loaded_csfle;
	+
	+/**
	+ * @brief Attempt to open the CSFLE dynamic library and initialize a vtable for
	+ * it.
	+ */
	+static _loaded_csfle
	+_try_load_csfle (const char filepath, _mongocrypt_log_t log)
	+{
	+ // Try to open the dynamic lib
	+ mcr_dll lib = mcr_dll_open (filepath);
	+ // Check for errors, which are represented by strings
	+ if (lib.error_string.data) {
	+ // Error opening candidate
	+ _mongocrypt_log (
	+ log,
	+ MONGOCRYPT_LOG_LEVEL_WARNING,
	+ "Error while opening candidate for CSFLE dynamic library [%s]: %s",
	+ filepath,
	+ lib.error_string.data);
	+ // Free resources, which will include the error string
	+ mcr_dll_close (lib);
	+ // Bad:
	+ return (_loaded_csfle){.okay = false};
	+ }
	+
	+ // Successfully opened DLL
	+ _mongocrypt_log (log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "Loading CSFLE dynamic library [%s]",
	+ filepath);
	+
	+ // Construct the library vtable
	+ bool vtable_okay = true;
	+ _mcr_csfle_v1_vtable vtable;
	+#define X_FUNC(Name, RetType, ...) \
	+ { \
	+ /* Symbol names are qualified by the lib name and version: */ \
	+ const char *symname = "mongo_csfle_v1_" #Name; \
	+ vtable.Name = mcr_dll_sym (lib, symname); \
	+ if (vtable.Name == NULL) { \
	+ /* The requested symbol is not present */ \
	+ _mongocrypt_log ( \
	+ log, \
	+ MONGOCRYPT_LOG_LEVEL_ERROR, \
	+ "Missing required symbol '%s' from CSFLE dynamic library [%s]", \
	+ symname, \
	+ filepath); \
	+ /* Mark the vtable as broken, but keep trying to load more symbols to \
	+ * produce error messages for all missing symbols */ \
	+ vtable_okay = false; \
	+ } \
	+ }
	+ MONGOC_CSFLE_FUNCTIONS_X
	+#undef X_FUNC
	+
	+ if (!vtable_okay) {
	+ mcr_dll_close (lib);
	+ _mongocrypt_log (
	+ log,
	+ MONGOCRYPT_LOG_LEVEL_ERROR,
	+ "One or more required symbols are missing from CSFLE dynamic library "
	+ "[%s], so this dynamic library will not be used.",
	+ filepath);
	+ return (_loaded_csfle){.okay = false};
	+ }
	+
	+ // Success!
	+ _mongocrypt_log (log,
	+ MONGOCRYPT_LOG_LEVEL_INFO,
	+ "Opened CSFLE dynamic library [%s]",
	+ filepath);
	+ return (_loaded_csfle){.okay = true, .lib = lib, .vtable = vtable};
	+}
	+
	+/**
	+ * @brief If the leading path element in `filepath` is $ORIGIN, replace that
	+ * with the directory containing the current executing module.
	+ *
	+ * @return true If no error occurred and the path is valid
	+ * @return false If there was an error and `filepath` cannot be processed
	+ */
	+bool
	+_try_replace_dollar_origin (mstr filepath, _mongocrypt_log_t log)
	+{
	+ const mstr_view dollar_origin = mstrv_lit ("$ORIGIN");
	+ if (!mstr_starts_with (filepath->view, dollar_origin)) {
	+ // Nothing to replace
	+ return true;
	+ }
	+ // Check that the next char is a path separator or end-of-string:
	+ char peek = filepath->data[dollar_origin.len];
	+ if (peek != 0 && !mpath_is_sep (peek, MPATH_NATIVE)) {
	+ // Not a single path element
	+ return true;
	+ }
	+ // Replace $ORIGIN with the directory of the current module
	+ const current_module_result self_exe_r = current_module_path ();
	+ if (self_exe_r.error) {
	+ // Failed to get the current module to load replace $ORIGIN
	+ mstr error = merror_system_error_string (self_exe_r.error);
	+ _mongocrypt_log (log,
	+ MONGOCRYPT_LOG_LEVEL_WARNING,
	+ "Error while loading the executable module path for "
	+ "substitution of $ORIGIN in CSFLE search path [%s]: %s",
	+ filepath->data,
	+ error.data);
	+ mstr_free (error);
	+ return false;
	+ }
	+ const mstr_view self_dir = mpath_parent (self_exe_r.path.view, MPATH_NATIVE);
	+ mstr_inplace_splice (filepath, 0, dollar_origin.len, self_dir);
	+ mstr_free (self_exe_r.path);
	+ return true;
	+}
	+
	+bool
	+mongocrypt_init (mongocrypt_t *crypt)
	+{
	+ mongocrypt_status_t *status;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+ status = crypt->status;
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("already initialized");
	+ return false;
	+ }
	+
	+ crypt->initialized = true;
	+
	+ if (!mongocrypt_status_ok (crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_opts_validate (&crypt->opts, status)) {
	+ return false;
	+ }
	+
	+ if (crypt->opts.log_fn) {
	+ _mongocrypt_log_set_fn (
	+ &crypt->log, crypt->opts.log_fn, crypt->opts.log_ctx);
	+ }
	+
	+ if (!crypt->crypto) {
	+#ifndef MONGOCRYPT_ENABLE_CRYPTO
	+ CLIENT_ERR ("libmongocrypt built with native crypto disabled. crypto "
	+ "hooks required");
	+ return false;
	+#else
	+ /* set default hooks. */
	+ crypt->crypto = bson_malloc0 (sizeof (*crypt->crypto));
	+ BSON_ASSERT (crypt->crypto);
	+#endif
	+ }
	+
	+ mcr_dll_close (crypt->csfle_lib);
	+
	+ mstr csfle_cand_filepath = MSTR_NULL;
	+ if (crypt->opts.csfle_lib_override_path.data) {
	+ // If an override path was specified, skip the library searching behavior
	+ csfle_cand_filepath =
	+ mstr_copy (crypt->opts.csfle_lib_override_path.view);
	+ if (_try_replace_dollar_origin (&csfle_cand_filepath, &crypt->log)) {
	+ // Succesfully substituted $ORIGIN
	+ // Do not allow a plain filename to go through, as that will cause the
	+ // DLL load to search the system.
	+ mstr_assign (&csfle_cand_filepath,
	+ mpath_absolute (csfle_cand_filepath.view, MPATH_NATIVE));
	+ _loaded_csfle candidate =
	+ _try_load_csfle (csfle_cand_filepath.data, &crypt->log);
	+ if (candidate.okay) {
	+ // Successfully loaded
	+ crypt->csfle_vtable = candidate.vtable;
	+ crypt->csfle_lib = candidate.lib;
	+ }
	+ }
	+ } else {
	+ // No override path was specified, so try to find it on the provided
	+ // search paths.
	+ for (int i = 0; i < crypt->opts.n_cselib_search_paths; ++i) {
	+ mstr_view cand_dir = crypt->opts.cselib_search_paths[i].view;
	+ mstr_view csfle_filename = mstrv_lit ("mongo_csfle_v1" MCR_DLL_SUFFIX);
	+ if (mstr_eq (cand_dir, mstrv_lit ("$SYSTEM"))) {
	+ // Caller wants us to search for the library on the system's default
	+ // library paths. Pass only the library's filename to cause dll_open
	+ // to search on the library paths.
	+ mstr_assign (&csfle_cand_filepath, mstr_copy (csfle_filename));
	+ } else {
	+ // Compose the candidate filepath:
	+ mstr_assign (&csfle_cand_filepath,
	+ mpath_join (cand_dir, csfle_filename, MPATH_NATIVE));
	+ if (!_try_replace_dollar_origin (&csfle_cand_filepath,
	+ &crypt->log)) {
	+ // Error while substituting $ORIGIN
	+ continue;
	+ }
	+ }
	+ // Try to load the file:
	+ _loaded_csfle candidate =
	+ _try_load_csfle (csfle_cand_filepath.data, &crypt->log);
	+ if (candidate.okay) {
	+ // We got one:
	+ crypt->csfle_vtable = candidate.vtable;
	+ crypt->csfle_lib = candidate.lib;
	+ // Stop searching:
	+ break;
	+ }
	+ }
	+ }
	+ mstr_free (csfle_cand_filepath);
	+
	+ // If a CSFLE override path was specified, but we did not succeed in loading
	+ // CSFLE, that is a hard-error.
	+ if (crypt->opts.csfle_lib_override_path.data &&
	+ !mcr_dll_is_open (crypt->csfle_lib)) {
	+ CLIENT_ERR ("A CSFLE override path was specified [%s], but we failed to "
	+ "open a dynamic library at that location",
	+ crypt->opts.csfle_lib_override_path.data);
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+
	+bool
	+mongocrypt_status (mongocrypt_t crypt, mongocrypt_status_t out)
	+{
	+ if (!crypt) {
	+ return false;
	+ }
	+
	+ if (!out) {
	+ mongocrypt_status_t *status = crypt->status;
	+ CLIENT_ERR ("argument 'out' is required");
	+ return false;
	+ }
	+
	+ if (!mongocrypt_status_ok (crypt->status)) {
	+ _mongocrypt_status_copy_to (crypt->status, out);
	+ return false;
	+ }
	+ _mongocrypt_status_reset (out);
	+ return true;
	+}
	+
	+
	+void
	+mongocrypt_destroy (mongocrypt_t *crypt)
	+{
	+ if (!crypt) {
	+ return;
	+ }
	+ _mongocrypt_opts_cleanup (&crypt->opts);
	+ _mongocrypt_cache_cleanup (&crypt->cache_collinfo);
	+ _mongocrypt_cache_cleanup (&crypt->cache_key);
	+ _mongocrypt_mutex_cleanup (&crypt->mutex);
	+ _mongocrypt_log_cleanup (&crypt->log);
	+ mongocrypt_status_destroy (crypt->status);
	+ bson_free (crypt->crypto);
	+ _mongocrypt_cache_oauth_destroy (crypt->cache_oauth_azure);
	+ _mongocrypt_cache_oauth_destroy (crypt->cache_oauth_gcp);
	+
	+#ifndef __linux__
	+ mcr_dll_close (crypt->csfle_lib);
	+#else
	+ /// NOTE: On Linux, skip closing the CSFLE library itself, since a bug in the
	+ /// way ld-linux and GCC interact causes static destructors to not run during
	+ /// dlclose(). Still, free the error string that may be non-null:
	+ mstr_free (crypt->csfle_lib.error_string);
	+#endif
	+
	+ bson_free (crypt);
	+}
	+
	+
	+bool
	+_mongocrypt_validate_and_copy_string (const char *in,
	+ int32_t in_len,
	+ char **out)
	+{
	+ if (!in) {
	+ return false;
	+ }
	+
	+ if (in_len < -1) {
	+ return false;
	+ }
	+
	+ if (in_len == -1) {
	+ in_len = (uint32_t) strlen (in);
	+ }
	+
	+ if (!bson_utf8_validate (in, in_len, false)) {
	+ return false;
	+ }
	+ *out = bson_strndup (in, in_len);
	+ return true;
	+}
	+
	+
	+bool
	+mongocrypt_setopt_crypto_hooks (mongocrypt_t *crypt,
	+ mongocrypt_crypto_fn aes_256_cbc_encrypt,
	+ mongocrypt_crypto_fn aes_256_cbc_decrypt,
	+ mongocrypt_random_fn random,
	+ mongocrypt_hmac_fn hmac_sha_512,
	+ mongocrypt_hmac_fn hmac_sha_256,
	+ mongocrypt_hash_fn sha_256,
	+ void *ctx)
	+{
	+ mongocrypt_status_t *status;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+
	+ status = crypt->status;
	+
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+
	+ if (crypt->crypto) {
	+ CLIENT_ERR ("crypto_hooks already set");
	+ return false;
	+ }
	+
	+ crypt->crypto = bson_malloc0 (sizeof (*crypt->crypto));
	+ BSON_ASSERT (crypt->crypto);
	+
	+ crypt->crypto->hooks_enabled = true;
	+ crypt->crypto->ctx = ctx;
	+
	+ if (!aes_256_cbc_encrypt) {
	+ CLIENT_ERR ("aes_256_cbc_encrypt not set");
	+ return false;
	+ }
	+ crypt->crypto->aes_256_cbc_encrypt = aes_256_cbc_encrypt;
	+
	+ if (!aes_256_cbc_decrypt) {
	+ CLIENT_ERR ("aes_256_cbc_decrypt not set");
	+ return false;
	+ }
	+ crypt->crypto->aes_256_cbc_decrypt = aes_256_cbc_decrypt;
	+
	+ if (!random) {
	+ CLIENT_ERR ("random not set");
	+ return false;
	+ }
	+ crypt->crypto->random = random;
	+
	+ if (!hmac_sha_512) {
	+ CLIENT_ERR ("hmac_sha_512 not set");
	+ return false;
	+ }
	+ crypt->crypto->hmac_sha_512 = hmac_sha_512;
	+
	+ if (!hmac_sha_256) {
	+ CLIENT_ERR ("hmac_sha_256 not set");
	+ return false;
	+ }
	+ crypt->crypto->hmac_sha_256 = hmac_sha_256;
	+
	+ if (!sha_256) {
	+ CLIENT_ERR ("sha_256 not set");
	+ return false;
	+ }
	+ crypt->crypto->sha_256 = sha_256;
	+
	+ return true;
	+}
	+
	+bool
	+mongocrypt_setopt_crypto_hook_sign_rsaes_pkcs1_v1_5 (
	+ mongocrypt_t *crypt,
	+ mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5,
	+ void *sign_ctx)
	+{
	+ mongocrypt_status_t *status;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+
	+ status = crypt->status;
	+
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+
	+ if (crypt->opts.sign_rsaes_pkcs1_v1_5) {
	+ CLIENT_ERR ("signature hook already set");
	+ return false;
	+ }
	+
	+ crypt->opts.sign_rsaes_pkcs1_v1_5 = sign_rsaes_pkcs1_v1_5;
	+ crypt->opts.sign_ctx = sign_ctx;
	+ return true;
	+}
	+
	+bool
	+mongocrypt_setopt_kms_providers (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *kms_providers)
	+{
	+ mongocrypt_status_t *status;
	+ bson_t as_bson;
	+ bson_iter_t iter;
	+
	+ if (!crypt) {
	+ return false;
	+ }
	+ status = crypt->status;
	+
	+ if (crypt->initialized) {
	+ CLIENT_ERR ("options cannot be set after initialization");
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_binary_to_bson (kms_providers, &as_bson) \|\|
	+ !bson_iter_init (&iter, &as_bson)) {
	+ CLIENT_ERR ("invalid BSON");
	+ return false;
	+ }
	+
	+ while (bson_iter_next (&iter)) {
	+ const char *field_name;
	+
	+ field_name = bson_iter_key (&iter);
	+
	+ if (0 == strcmp (field_name, "azure")) {
	+ if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_AZURE)) {
	+ CLIENT_ERR ("azure KMS provider already set");
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_required_utf8 (
	+ &as_bson,
	+ "azure.tenantId",
	+ &crypt->opts.kms_provider_azure.tenant_id,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_required_utf8 (
	+ &as_bson,
	+ "azure.clientId",
	+ &crypt->opts.kms_provider_azure.client_id,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_required_utf8 (
	+ &as_bson,
	+ "azure.clientSecret",
	+ &crypt->opts.kms_provider_azure.client_secret,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_optional_endpoint (
	+ &as_bson,
	+ "azure.identityPlatformEndpoint",
	+ &crypt->opts.kms_provider_azure.identity_platform_endpoint,
	+ NULL /* opts */,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_check_allowed_fields (&as_bson,
	+ "azure",
	+ crypt->status,
	+ "tenantId",
	+ "clientId",
	+ "clientSecret",
	+ "identityPlatformEndpoint")) {
	+ return false;
	+ }
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_AZURE;
	+ } else if (0 == strcmp (field_name, "gcp")) {
	+ if (0 != (crypt->opts.kms_providers & MONGOCRYPT_KMS_PROVIDER_GCP)) {
	+ CLIENT_ERR ("gcp KMS provider already set");
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_required_utf8 (
	+ &as_bson,
	+ "gcp.email",
	+ &crypt->opts.kms_provider_gcp.email,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_required_binary (
	+ &as_bson,
	+ "gcp.privateKey",
	+ &crypt->opts.kms_provider_gcp.private_key,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_optional_endpoint (
	+ &as_bson,
	+ "gcp.endpoint",
	+ &crypt->opts.kms_provider_gcp.endpoint,
	+ NULL /* opts */,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_check_allowed_fields (&as_bson,
	+ "gcp",
	+ crypt->status,
	+ "email",
	+ "privateKey",
	+ "endpoint")) {
	+ return false;
	+ }
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_GCP;
	+ } else if (0 == strcmp (field_name, "local")) {
	+ if (!_mongocrypt_parse_required_binary (
	+ &as_bson,
	+ "local.key",
	+ &crypt->opts.kms_provider_local.key,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (crypt->opts.kms_provider_local.key.len != MONGOCRYPT_KEY_LEN) {
	+ CLIENT_ERR ("local key must be %d bytes", MONGOCRYPT_KEY_LEN);
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_check_allowed_fields (
	+ &as_bson, "local", crypt->status, "key")) {
	+ return false;
	+ }
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_LOCAL;
	+ } else if (0 == strcmp (field_name, "aws")) {
	+ if (!_mongocrypt_parse_required_utf8 (
	+ &as_bson,
	+ "aws.accessKeyId",
	+ &crypt->opts.kms_provider_aws.access_key_id,
	+ crypt->status)) {
	+ return false;
	+ }
	+ if (!_mongocrypt_parse_required_utf8 (
	+ &as_bson,
	+ "aws.secretAccessKey",
	+ &crypt->opts.kms_provider_aws.secret_access_key,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_parse_optional_utf8 (
	+ &as_bson,
	+ "aws.sessionToken",
	+ &crypt->opts.kms_provider_aws.session_token,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_check_allowed_fields (&as_bson,
	+ "aws",
	+ crypt->status,
	+ "accessKeyId",
	+ "secretAccessKey",
	+ "sessionToken")) {
	+ return false;
	+ }
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_AWS;
	+ } else if (0 == strcmp (field_name, "kmip")) {
	+ _mongocrypt_endpoint_parse_opts_t opts = {0};
	+
	+ opts.allow_empty_subdomain = true;
	+ if (!_mongocrypt_parse_required_endpoint (
	+ &as_bson,
	+ "kmip.endpoint",
	+ &crypt->opts.kms_provider_kmip.endpoint,
	+ &opts,
	+ crypt->status)) {
	+ return false;
	+ }
	+
	+ if (!_mongocrypt_check_allowed_fields (
	+ &as_bson, "kmip", crypt->status, "endpoint")) {
	+ return false;
	+ }
	+ crypt->opts.kms_providers \|= MONGOCRYPT_KMS_PROVIDER_KMIP;
	+ } else {
	+ CLIENT_ERR ("unsupported KMS provider: %s", field_name);
	+ return false;
	+ }
	+ }
	+
	+ if (crypt->log.trace_enabled) {
	+ char *as_str = bson_as_json (&as_bson, NULL);
	+ _mongocrypt_log (&crypt->log,
	+ MONGOCRYPT_LOG_LEVEL_TRACE,
	+ "%s (%s=\"%s\")",
	+ BSON_FUNC,
	+ "kms_providers",
	+ as_str);
	+ bson_free (as_str);
	+ }
	+
	+ return true;
	+}
	+
	+
	+void
	+mongocrypt_setopt_append_csfle_search_path (mongocrypt_t *crypt,
	+ const char *path)
	+{
	+ // Dup the path string for us to manage
	+ mstr pathdup = mstr_copy_cstr (path);
	+ // Increase array len
	+ const int new_len = crypt->opts.n_cselib_search_paths + 1;
	+ mstr *const new_array =
	+ bson_realloc (crypt->opts.cselib_search_paths, sizeof (mstr) * new_len);
	+ // Store the path
	+ new_array[new_len - 1] = pathdup;
	+ // Write back opts
	+ crypt->opts.cselib_search_paths = new_array;
	+ crypt->opts.n_cselib_search_paths = new_len;
	+}
	+
	+
	+void
	+mongocrypt_setopt_set_csfle_lib_path_override (mongocrypt_t *crypt,
	+ const char *path)
	+{
	+ mstr_assign (&crypt->opts.csfle_lib_override_path, mstr_copy_cstr (path));
	+}
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.h b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.h
	new file mode 100644
	index 00000000..8bc49bc7
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.h
	@@ -0,0 +1,1255 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+#ifndef MONGOCRYPT_H
	+#define MONGOCRYPT_H
	+
	+/** @file mongocrypt.h The top-level handle to libmongocrypt. */
	+
	+/**
	+ * @mainpage libmongocrypt
	+ * See all public API documentation in: @ref mongocrypt.h
	+ */
	+
	+#include "mongocrypt-export.h"
	+#include "mongocrypt-compat.h"
	+#include "mongocrypt-config.h"
	+
	+/**
	+ * @def MONGOCRYPT_VERSION
	+ * The version string describing libmongocrypt.
	+ * Has the form x.y.z-<pre>+<date>+git<sha>.
	+ */
	+#define MONGOCRYPT_VERSION "1.3.2"
	+
	+/**
	+ * Returns the version string for libmongocrypt.
	+ *
	+ * @param[out] len An optional length of the returned string. May be NULL.
	+ * @returns a NULL terminated version string for libmongocrypt.
	+ */
	+MONGOCRYPT_EXPORT
	+const char *
	+mongocrypt_version (uint32_t *len);
	+
	+
	+/**
	+ * A non-owning view of a byte buffer.
	+ *
	+ * When constructing a mongocrypt_binary_t it is the responsibility of the
	+ * caller to maintain the lifetime of the viewed data. However, all public
	+ * functions that take a mongocrypt_binary_t as an argument will make a copy of
	+ * the viewed data. For example, the following is valid:
	+ *
	+ * @code{.c}
	+ * mongocrypt_binary_t bin = mongocrypt_binary_new_from_data(mydata, mylen);
	+ * assert (mongocrypt_setopt_kms_provider_local (crypt), bin);
	+ * // The viewed data of bin has been copied. Ok to free the view and the data.
	+ * mongocrypt_binary_destroy (bin);
	+ * my_free_fn (mydata);
	+ * @endcode
	+ *
	+ * Functions with a mongocrypt_binary_t* out guarantee the lifetime of the
	+ * viewed data to live as long as the parent object. For example, @ref
	+ * mongocrypt_ctx_mongo_op guarantees that the viewed data of
	+ * mongocrypt_binary_t is valid until the parent ctx is destroyed with @ref
	+ * mongocrypt_ctx_destroy.
	+ */
	+typedef struct _mongocrypt_binary_t mongocrypt_binary_t;
	+
	+
	+/**
	+ * Create a new non-owning view of a buffer (data + length).
	+ *
	+ * Use this to create a mongocrypt_binary_t used for output parameters.
	+ *
	+ * @returns A new mongocrypt_binary_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_binary_t *
	+mongocrypt_binary_new (void);
	+
	+
	+/**
	+ * Create a new non-owning view of a buffer (data + length).
	+ *
	+ * @param[in] data A pointer to an array of bytes. This data is not copied. @p
	+ * data must outlive the binary object.
	+ * @param[in] len The length of the @p data byte array.
	+ *
	+ * @returns A new @ref mongocrypt_binary_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_binary_t *
	+mongocrypt_binary_new_from_data (uint8_t *data, uint32_t len);
	+
	+
	+/**
	+ * Get a pointer to the viewed data.
	+ *
	+ * @param[in] binary The @ref mongocrypt_binary_t.
	+ *
	+ * @returns A pointer to the viewed data.
	+ */
	+MONGOCRYPT_EXPORT
	+uint8_t *
	+mongocrypt_binary_data (const mongocrypt_binary_t *binary);
	+
	+
	+/**
	+ * Get the length of the viewed data.
	+ *
	+ * @param[in] binary The @ref mongocrypt_binary_t.
	+ *
	+ * @returns The length of the viewed data.
	+ */
	+MONGOCRYPT_EXPORT
	+uint32_t
	+mongocrypt_binary_len (const mongocrypt_binary_t *binary);
	+
	+
	+/**
	+ * Free the @ref mongocrypt_binary_t.
	+ *
	+ * This does not free the viewed data.
	+ *
	+ * @param[in] binary The mongocrypt_binary_t destroy.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_binary_destroy (mongocrypt_binary_t *binary);
	+
	+
	+/**
	+ * Indicates success or contains error information.
	+ *
	+ * Functions like @ref mongocrypt_ctx_encrypt_init follow a pattern to expose a
	+ * status. A boolean is returned. True indicates success, and false indicates
	+ * failure. On failure a status on the handle is set, and is accessible with a
	+ * corresponding (handle)_status function. E.g. @ref mongocrypt_ctx_status.
	+ */
	+typedef struct _mongocrypt_status_t mongocrypt_status_t;
	+
	+/**
	+ * Indicates the type of error.
	+ */
	+typedef enum {
	+ MONGOCRYPT_STATUS_OK = 0,
	+ MONGOCRYPT_STATUS_ERROR_CLIENT = 1,
	+ MONGOCRYPT_STATUS_ERROR_KMS = 2
	+} mongocrypt_status_type_t;
	+
	+
	+/**
	+ * Create a new status object.
	+ *
	+ * Use a new status object to retrieve the status from a handle by passing
	+ * this as an out-parameter to functions like @ref mongocrypt_ctx_status.
	+ * When done, destroy it with @ref mongocrypt_status_destroy.
	+ *
	+ * @returns A new status object.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_status_t *
	+mongocrypt_status_new (void);
	+
	+
	+/**
	+ * Set a status object with message, type, and code.
	+ *
	+ * Use this to set the @ref mongocrypt_status_t given in the crypto hooks.
	+ *
	+ * @param[in] type The status type.
	+ * @param[in] code The status code.
	+ * @param[in] message The message.
	+ * @param[in] message_len Due to historical behavior, pass 1 + the string length
	+ * of @p message (which differs from other functions accepting string
	+ * arguments).
	+ * Alternatively, if message is NULL terminated this may be -1 to tell
	+ * mongocrypt
	+ * to determine the string's length with strlen.
	+ *
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_status_set (mongocrypt_status_t *status,
	+ mongocrypt_status_type_t type,
	+ uint32_t code,
	+ const char *message,
	+ int32_t message_len);
	+
	+
	+/**
	+ * Indicates success or the type of error.
	+ *
	+ * @param[in] status The status object.
	+ *
	+ * @returns A @ref mongocrypt_status_type_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_status_type_t
	+mongocrypt_status_type (mongocrypt_status_t *status);
	+
	+
	+/**
	+ * Get an error code or 0.
	+ *
	+ * @param[in] status The status object.
	+ *
	+ * @returns An error code.
	+ */
	+MONGOCRYPT_EXPORT
	+uint32_t
	+mongocrypt_status_code (mongocrypt_status_t *status);
	+
	+
	+/**
	+ * Get the error message associated with a status or NULL.
	+ *
	+ * @param[in] status The status object.
	+ * @param[out] len An optional length of the returned string (excluding the
	+ * trailing NULL byte). May be NULL.
	+ *
	+ * @returns A NULL terminated error message or NULL.
	+ */
	+MONGOCRYPT_EXPORT
	+const char *
	+mongocrypt_status_message (mongocrypt_status_t status, uint32_t len);
	+
	+
	+/**
	+ * Returns true if the status indicates success.
	+ *
	+ * @param[in] status The status to check.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_status_ok (mongocrypt_status_t *status);
	+
	+
	+/**
	+ * Free the memory for a status object.
	+ *
	+ * @param[in] status The status to destroy.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_status_destroy (mongocrypt_status_t *status);
	+
	+/**
	+ * Indicates the type of log message.
	+ */
	+typedef enum {
	+ MONGOCRYPT_LOG_LEVEL_FATAL = 0,
	+ MONGOCRYPT_LOG_LEVEL_ERROR = 1,
	+ MONGOCRYPT_LOG_LEVEL_WARNING = 2,
	+ MONGOCRYPT_LOG_LEVEL_INFO = 3,
	+ MONGOCRYPT_LOG_LEVEL_TRACE = 4
	+} mongocrypt_log_level_t;
	+
	+
	+/**
	+ * A log callback function. Set a custom log callback with @ref
	+ * mongocrypt_setopt_log_handler.
	+ *
	+ * @param[in] message A NULL terminated message.
	+ * @param[in] message_len The length of message.
	+ * @param[in] ctx A context provided by the caller of @ref
	+ * mongocrypt_setopt_log_handler.
	+ */
	+typedef void (*mongocrypt_log_fn_t) (mongocrypt_log_level_t level,
	+ const char *message,
	+ uint32_t message_len,
	+ void *ctx);
	+
	+
	+/**
	+ * The top-level handle to libmongocrypt.
	+ *
	+ * Create a mongocrypt_t handle to perform operations within libmongocrypt:
	+ * encryption, decryption, registering log callbacks, etc.
	+ *
	+ * Functions on a mongocrypt_t are thread safe, though functions on derived
	+ * handles (e.g. mongocrypt_ctx_t) are not and must be owned by a single
	+ * thread. See each handle's documentation for thread-safety considerations.
	+ *
	+ * Multiple mongocrypt_t handles may be created.
	+ */
	+typedef struct _mongocrypt_t mongocrypt_t;
	+
	+
	+/**
	+ * Allocate a new @ref mongocrypt_t object.
	+ *
	+ * Set options using mongocrypt_setopt_* functions, then initialize with @ref
	+ * mongocrypt_init. When done with the @ref mongocrypt_t, free with @ref
	+ * mongocrypt_destroy.
	+ *
	+ * @returns A new @ref mongocrypt_t object.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_t *
	+mongocrypt_new (void);
	+
	+
	+/**
	+ * Set a handler on the @ref mongocrypt_t object to get called on every log
	+ * message.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] log_fn The log callback.
	+ * @param[in] log_ctx A context passed as an argument to the log callback every
	+ * invocation.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_log_handler (mongocrypt_t *crypt,
	+ mongocrypt_log_fn_t log_fn,
	+ void *log_ctx);
	+
	+
	+/**
	+ * Configure an AWS KMS provider on the @ref mongocrypt_t object.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_setopt_kms_providers
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] aws_access_key_id The AWS access key ID used to generate KMS
	+ * messages.
	+ * @param[in] aws_access_key_id_len The string length (in bytes) of @p
	+ * aws_access_key_id. Pass -1 to determine the string length with strlen (must
	+ * be NULL terminated).
	+ * @param[in] aws_secret_access_key The AWS secret access key used to generate
	+ * KMS messages.
	+ * @param[in] aws_secret_access_key_len The string length (in bytes) of @p
	+ * aws_secret_access_key. Pass -1 to determine the string length with strlen
	+ * (must be NULL terminated).
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_kms_provider_aws (mongocrypt_t *crypt,
	+ const char *aws_access_key_id,
	+ int32_t aws_access_key_id_len,
	+ const char *aws_secret_access_key,
	+ int32_t aws_secret_access_key_len);
	+
	+
	+/**
	+ * Configure a local KMS provider on the @ref mongocrypt_t object.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_setopt_kms_providers
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] key A 96 byte master key used to encrypt and decrypt key vault
	+ * keys. The viewed data is copied. It is valid to destroy @p key with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_kms_provider_local (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *key);
	+
	+/**
	+ * Configure KMS providers with a BSON document.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] kms_providers A BSON document mapping the KMS provider names
	+ * to credentials.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_kms_providers (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *kms_providers);
	+
	+/**
	+ * Set a local schema map for encryption.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] schema_map A BSON document representing the schema map supplied by
	+ * the user. The keys are collection namespaces and values are JSON schemas. The
	+ * viewed data copied. It is valid to destroy @p schema_map with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @pre @p crypt has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_schema_map (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *schema_map);
	+
	+
	+/**
	+ * @brief Append an additional search directory to the search path for loading
	+ * the CSFLE dynamic library.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object to update
	+ * @param[in] path A null-terminated sequence of bytes for the search path. On
	+ * some filesystems, this may be arbitrary bytes. On other filesystems, this may
	+ * be required to be a valid UTF-8 code unit sequence. If the leading element of
	+ * the path is the literal string "$ORIGIN", that substring will be replaced
	+ * with the directory path containing the executable libmongocrypt module. If
	+ * the path string is literal "$SYSTEM", then libmongocrypt will defer to the
	+ * system's library resolution mechanism to find the CSFLE library.
	+ *
	+ * @note If no CSFLE dynamic library is found in any of the directories
	+ * specified by the search paths loaded here, @ref mongocrypt_init() will still
	+ * succeed and continue to operate without CSFLE.
	+ *
	+ * @note The search paths are searched in the order that they are appended. This
	+ * allows one to provide a precedence in how the library will be discovered. For
	+ * example, appending known directories before appending "$SYSTEM" will allow
	+ * one to supersede the system's installed library, but still fall-back to it if
	+ * the library wasn't found otherwise. If one does not ever append "$SYSTEM",
	+ * then the system's library-search mechanism will never be consulted.
	+ *
	+ * @note If an absolute path to the library is specified using
	+ * @ref mongocrypt_setopt_set_csfle_lib_path_override, then paths appended here
	+ * will have no effect.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_setopt_append_csfle_search_path (mongocrypt_t *crypt,
	+ const char *path);
	+
	+
	+/**
	+ * @brief Set a single override path for loading the CSFLE dynamic library.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object to update
	+ * @param[in] path A null-terminated sequence of bytes for a path to the CSFLE
	+ * dynamic library. On some filesystems, this may be arbitrary bytes. On other
	+ * filesystems, this may be required to be a valid UTF-8 code unit sequence. If
	+ * the leading element of the path is the literal string `$ORIGIN`, that
	+ * substring will be replaced with the directory path containing the executable
	+ * libmongocrypt module.
	+ *
	+ * @note This function will do no IO nor path validation. All validation will
	+ * occur during the call to @ref mongocrypt_init.
	+ *
	+ * @note If a CSFLE library path override is specified here, then no paths given
	+ * to @ref mongocrypt_setopt_append_csfle_search_path will be consulted when
	+ * opening the CSFLE library.
	+ *
	+ * @note If a path is provided via this API and @ref mongocrypt_init fails to
	+ * initialize a valid CSFLE library instance for the path specified, then
	+ * the initialization of mongocrypt_t will fail with an error.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_setopt_set_csfle_lib_path_override (mongocrypt_t *crypt,
	+ const char *path);
	+
	+
	+/**
	+ * Initialize new @ref mongocrypt_t object.
	+ *
	+ * Set options before using @ref mongocrypt_setopt_kms_provider_local, @ref
	+ * mongocrypt_setopt_kms_provider_aws, or @ref mongocrypt_setopt_log_handler.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status Failure may occur if previously
	+ * set
	+ * options are invalid.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_init (mongocrypt_t *crypt);
	+
	+
	+/**
	+ * Get the status associated with a @ref mongocrypt_t object.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[out] status Receives the status.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_status (mongocrypt_t crypt, mongocrypt_status_t status);
	+
	+
	+/**
	+ * Destroy the @ref mongocrypt_t object.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object to destroy.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_destroy (mongocrypt_t *crypt);
	+
	+
	+/**
	+ * Manages the state machine for encryption or decryption.
	+ */
	+typedef struct _mongocrypt_ctx_t mongocrypt_ctx_t;
	+
	+
	+/**
	+ * Create a new uninitialized @ref mongocrypt_ctx_t.
	+ *
	+ * Initialize the context with functions like @ref mongocrypt_ctx_encrypt_init.
	+ * When done, destroy it with @ref mongocrypt_ctx_destroy.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @returns A new context.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_ctx_t *
	+mongocrypt_ctx_new (mongocrypt_t *crypt);
	+
	+
	+/**
	+ * Get the status associated with a @ref mongocrypt_ctx_t object.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[out] status Receives the status.
	+ *
	+ * @returns True if the output is an ok status, false if it is an error
	+ * status.
	+ *
	+ * @see mongocrypt_status_ok
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_status (mongocrypt_ctx_t ctx, mongocrypt_status_t status);
	+
	+
	+/**
	+ * Set the key id to use for explicit encryption.
	+ *
	+ * It is an error to set both this and the key alt name.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] key_id The binary corresponding to the _id (a UUID) of the data
	+ * key to use from the key vault collection. Note, the UUID must be encoded with
	+ * RFC-4122 byte order. The viewed data is copied. It is valid to destroy
	+ * @p key_id with @ref mongocrypt_binary_destroy immediately after.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_id (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_id);
	+
	+/**
	+ * Set the keyAltName to use for explicit encryption or
	+ * data key creation.
	+ *
	+ * Pass the binary encoding a BSON document like the following:
	+ *
	+ * { "keyAltName" : (BSON UTF8 value) }
	+ *
	+ * For explicit encryption, it is an error to set both the keyAltName
	+ * and the key id.
	+ *
	+ * For creating data keys, call this function repeatedly to set
	+ * multiple keyAltNames.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] key_alt_name The name to use. The viewed data is copied. It is
	+ * valid to destroy @p key_alt_name with @ref mongocrypt_binary_destroy
	+ * immediately after.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_alt_name (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_alt_name);
	+
	+/**
	+ * Set the keyMaterial to use for encrypting data.
	+ *
	+ * Pass the binary encoding of a BSON document like the following:
	+ *
	+ * { "keyMaterial" : (BSON BINARY value) }
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] key_material The data encryption key to use. The viewed data is
	+ * copied. It is valid to destroy @p key_material with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_material (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_material);
	+
	+/**
	+ * Set the algorithm used for encryption to either
	+ * deterministic or random encryption. This value
	+ * should only be set when using explicit encryption.
	+ *
	+ * If -1 is passed in for "len", then "algorithm" is
	+ * assumed to be a null-terminated string.
	+ *
	+ * Valid values for algorithm are:
	+ * "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
	+ * "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] algorithm A string specifying the algorithm to
	+ * use for encryption.
	+ * @param[in] len The length of the algorithm string.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_algorithm (mongocrypt_ctx_t *ctx,
	+ const char *algorithm,
	+ int len);
	+
	+
	+/**
	+ * Identify the AWS KMS master key to use for creating a data key.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_ctx_setopt_key_encryption_key
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] region The AWS region.
	+ * @param[in] region_len The string length of @p region. Pass -1 to determine
	+ * the string length with strlen (must be NULL terminated).
	+ * @param[in] cmk The Amazon Resource Name (ARN) of the customer master key
	+ * (CMK).
	+ * @param[in] cmk_len The string length of @p cmk_len. Pass -1 to determine the
	+ * string length with strlen (must be NULL terminated).
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_masterkey_aws (mongocrypt_ctx_t *ctx,
	+ const char *region,
	+ int32_t region_len,
	+ const char *cmk,
	+ int32_t cmk_len);
	+
	+
	+/**
	+ * Identify a custom AWS endpoint when creating a data key.
	+ * This is used internally to construct the correct HTTP request
	+ * (with the Host header set to this endpoint). This endpoint
	+ * is persisted in the new data key, and will be returned via
	+ * @ref mongocrypt_kms_ctx_endpoint.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_ctx_setopt_key_encryption_key
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] endpoint The endpoint.
	+ * @param[in] endpoint_len The string length of @p endpoint. Pass -1 to
	+ * determine the string length with strlen (must be NULL terminated).
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_masterkey_aws_endpoint (mongocrypt_ctx_t *ctx,
	+ const char *endpoint,
	+ int32_t endpoint_len);
	+
	+/**
	+ * Set the master key to "local" for creating a data key.
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_ctx_setopt_key_encryption_key
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_masterkey_local (mongocrypt_ctx_t *ctx);
	+
	+/**
	+ * Set key encryption key document for creating a data key.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] bin BSON representing the key encryption key document with
	+ * an additional "provider" field. The following forms are accepted:
	+ *
	+ * AWS
	+ * {
	+ * provider: "aws",
	+ * region: <string>,
	+ * key: <string>,
	+ * endpoint: <optional string>
	+ * }
	+ *
	+ * Azure
	+ * {
	+ * provider: "azure",
	+ * keyVaultEndpoint: <string>,
	+ * keyName: <string>,
	+ * keyVersion: <optional string>
	+ * }
	+ *
	+ * GCP
	+ * {
	+ * provider: "gcp",
	+ * projectId: <string>,
	+ * location: <string>,
	+ * keyRing: <string>,
	+ * keyName: <string>,
	+ * keyVersion: <string>,
	+ * endpoint: <optional string>
	+ * }
	+ *
	+ * Local
	+ * {
	+ * provider: "local"
	+ * }
	+ *
	+ * KMIP
	+ * {
	+ * provider: "kmip",
	+ * keyId: <optional string>
	+ * endpoint: <string>
	+ * }
	+ *
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, and error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_encryption_key (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *bin);
	+
	+
	+/**
	+ * Initialize a context to create a data key.
	+ *
	+ * Associated options:
	+ * - @ref mongocrypt_ctx_setopt_masterkey_aws
	+ * - @ref mongocrypt_ctx_setopt_masterkey_aws_endpoint
	+ * - @ref mongocrypt_ctx_setopt_masterkey_local
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ * @pre A master key option has been set, and an associated KMS provider
	+ * has been set on the parent @ref mongocrypt_t.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_datakey_init (mongocrypt_ctx_t *ctx);
	+
	+/**
	+ * Initialize a context for encryption.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] db The database name.
	+ * @param[in] db_len The byte length of @p db. Pass -1 to determine the string
	+ * length with strlen (must
	+ * be NULL terminated).
	+ * @param[in] cmd The BSON command to be encrypted. The viewed data is copied.
	+ * It is valid to destroy @p cmd with @ref mongocrypt_binary_destroy immediately
	+ * after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_encrypt_init (mongocrypt_ctx_t *ctx,
	+ const char *db,
	+ int32_t db_len,
	+ mongocrypt_binary_t *cmd);
	+
	+/**
	+ * Explicit helper method to encrypt a single BSON object. Contexts
	+ * created for explicit encryption will not go through mongocryptd.
	+ *
	+ * To specify a key_id, algorithm, or iv to use, please use the
	+ * corresponding mongocrypt_setopt methods before calling this.
	+ *
	+ * This method expects the passed-in BSON to be of the form:
	+ * { "v" : BSON value to encrypt }
	+ *
	+ * Associated options:
	+ * - @ref mongocrypt_ctx_setopt_key_id
	+ * - @ref mongocrypt_ctx_setopt_key_alt_name
	+ * - @ref mongocrypt_ctx_setopt_algorithm
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @param[in] msg A @ref mongocrypt_binary_t the plaintext BSON value. The
	+ * viewed data is copied. It is valid to destroy @p msg with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_explicit_encrypt_init (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *msg);
	+
	+
	+/**
	+ * Initialize a context for decryption.
	+ *
	+ * This method expects the passed-in BSON to be of the form:
	+ * { "v" : BSON value to encrypt }
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] doc The document to be decrypted. The viewed data is copied. It is
	+ * valid to destroy @p doc with @ref mongocrypt_binary_destroy immediately
	+ * after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_decrypt_init (mongocrypt_ctx_t ctx, mongocrypt_binary_t doc);
	+
	+
	+/**
	+ * Explicit helper method to decrypt a single BSON object.
	+ *
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @param[in] msg A @ref mongocrypt_binary_t the encrypted BSON. The viewed data
	+ * is copied. It is valid to destroy @p msg with @ref mongocrypt_binary_destroy
	+ * immediately after.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_explicit_decrypt_init (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *msg);
	+
	+
	+/**
	+ * Indicates the state of the @ref mongocrypt_ctx_t. Each state requires
	+ * different handling. See [the integration
	+ * guide](https://github.com/mongodb/libmongocrypt/blob/master/integrating.md#state-machine)
	+ * for information on what to do for each state.
	+ */
	+typedef enum {
	+ MONGOCRYPT_CTX_ERROR = 0,
	+ MONGOCRYPT_CTX_NEED_MONGO_COLLINFO = 1, /* run on main MongoClient */
	+ MONGOCRYPT_CTX_NEED_MONGO_MARKINGS = 2, /* run on mongocryptd. */
	+ MONGOCRYPT_CTX_NEED_MONGO_KEYS = 3, /* run on key vault */
	+ MONGOCRYPT_CTX_NEED_KMS = 4,
	+ MONGOCRYPT_CTX_READY = 5, /* ready for encryption/decryption */
	+ MONGOCRYPT_CTX_DONE = 6
	+} mongocrypt_ctx_state_t;
	+
	+
	+/**
	+ * Get the current state of a context.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @returns A @ref mongocrypt_ctx_state_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_ctx_state_t
	+mongocrypt_ctx_state (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Get BSON necessary to run the mongo operation when mongocrypt_ctx_t
	+ * is in MONGOCRYPT_CTX_NEED_MONGO_* states.
	+ *
	+ * @p op_bson is a BSON document to be used for the operation.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a listCollections filter.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a find filter.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a command to send to
	+ * mongocryptd.
	+ *
	+ * The lifetime of @p op_bson is tied to the lifetime of @p ctx. It is valid
	+ * until @ref mongocrypt_ctx_destroy is called.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[out] op_bson A BSON document for the MongoDB operation. The data
	+ * viewed by @p op_bson is guaranteed to be valid until @p ctx is destroyed with
	+ * @ref mongocrypt_ctx_destroy.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_mongo_op (mongocrypt_ctx_t ctx, mongocrypt_binary_t op_bson);
	+
	+
	+/**
	+ * Feed a BSON reply or result when mongocrypt_ctx_t is in
	+ * MONGOCRYPT_CTX_NEED_MONGO_* states. This may be called multiple times
	+ * depending on the operation.
	+ *
	+ * reply is a BSON document result being fed back for this operation.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a doc from a listCollections
	+ * cursor. (Note, if listCollections returned no result, do not call this
	+ * function.)
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a doc from a find cursor.
	+ * (Note, if find returned no results, do not call this function. reply must
	+ * not
	+ * be NULL.)
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a reply from mongocryptd.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] reply A BSON document for the MongoDB operation. The viewed data
	+ * is copied. It is valid to destroy @p reply with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_mongo_feed (mongocrypt_ctx_t ctx, mongocrypt_binary_t reply);
	+
	+
	+/**
	+ * Call when done feeding the reply (or replies) back to the context.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_mongo_done (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Manages a single KMS HTTP request/response.
	+ */
	+typedef struct _mongocrypt_kms_ctx_t mongocrypt_kms_ctx_t;
	+
	+
	+/**
	+ * Get the next KMS handle.
	+ *
	+ * Multiple KMS handles may be retrieved at once. Drivers may do this to fan
	+ * out multiple concurrent KMS HTTP requests. Feeding multiple KMS requests
	+ * is thread-safe.
	+ *
	+ * If KMS handles are being handled synchronously, the driver can reuse the same
	+ * TLS socket to send HTTP requests and receive responses.
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @returns a new @ref mongocrypt_kms_ctx_t or NULL.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_kms_ctx_t *
	+mongocrypt_ctx_next_kms_ctx (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Get the HTTP request message for a KMS handle.
	+ *
	+ * The lifetime of @p msg is tied to the lifetime of @p kms. It is valid
	+ * until @ref mongocrypt_ctx_kms_done is called.
	+ *
	+ * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	+ * @param[out] msg The HTTP request to send to KMS. The data viewed by @p msg is
	+ * guaranteed to be valid until the call of @ref mongocrypt_ctx_kms_done of the
	+ * parent @ref mongocrypt_ctx_t.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_kms_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_message (mongocrypt_kms_ctx_t *kms,
	+ mongocrypt_binary_t *msg);
	+
	+
	+/**
	+ * Get the hostname from which to connect over TLS.
	+ *
	+ * The storage for @p endpoint is not owned by the caller, but
	+ * is valid until calling @ref mongocrypt_ctx_kms_done.
	+ *
	+ * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	+ * @param[out] endpoint The output endpoint as a NULL terminated string.
	+ * The endpoint consists of a hostname and port separated by a colon.
	+ * E.g. "example.com:123". A port is always present.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_kms_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_endpoint (mongocrypt_kms_ctx_t kms, const char *endpoint);
	+
	+
	+/**
	+ * Indicates how many bytes to feed into @ref mongocrypt_kms_ctx_feed.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	+ * @returns The number of requested bytes.
	+ */
	+MONGOCRYPT_EXPORT
	+uint32_t
	+mongocrypt_kms_ctx_bytes_needed (mongocrypt_kms_ctx_t *kms);
	+
	+
	+/**
	+ * Feed bytes from the HTTP response.
	+ *
	+ * Feeding more bytes than what has been returned in @ref
	+ * mongocrypt_kms_ctx_bytes_needed is an error.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	+ * @param[in] bytes The bytes to feed. The viewed data is copied. It is valid to
	+ * destroy @p bytes with @ref mongocrypt_binary_destroy immediately after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_kms_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_feed (mongocrypt_kms_ctx_t kms, mongocrypt_binary_t bytes);
	+
	+
	+/**
	+ * Get the status associated with a @ref mongocrypt_kms_ctx_t object.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	+ * @param[out] status Receives the status.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_status (mongocrypt_kms_ctx_t *kms,
	+ mongocrypt_status_t *status);
	+
	+/**
	+ * Get the KMS provider identifier associated with this KMS request.
	+ *
	+ * This is used to conditionally configure TLS connections based on the KMS
	+ * request. It is useful for KMIP, which authenticates with a client
	+ * certificate.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	+ * @param[out] len Receives the length of the returned string. It may be NULL.
	+ * If it is not NULL, it is set to the length of the returned string without
	+ * the NULL terminator.
	+ *
	+ * @returns One of the NULL terminated static strings: "aws", "azure", "gcp", or
	+ * "kmip".
	+ */
	+MONGOCRYPT_EXPORT
	+const char *
	+mongocrypt_kms_ctx_get_kms_provider (mongocrypt_kms_ctx_t kms, uint32_t len);
	+
	+
	+/**
	+ * Call when done handling all KMS contexts.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_kms_done (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Perform the final encryption or decryption.
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @param[out] out The final BSON. The data viewed by @p out is guaranteed
	+ * to be valid until @p ctx is destroyed with @ref mongocrypt_ctx_destroy.
	+ * The meaning of this BSON depends on the type of @p ctx.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_encrypt_init, then
	+ * this BSON is the (possibly) encrypted command to send to the server.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_decrypt_init, then
	+ * this BSON is the decrypted result to return to the user.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_encrypt_init,
	+ * then this BSON has the form { "v": (BSON binary) } where the BSON binary
	+ * is the resulting encrypted value.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_decrypt_init,
	+ * then this BSON has the form { "v": (BSON value) } where the BSON value
	+ * is the resulting decrypted value.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_datakey_init, then
	+ * this BSON is the document containing the new data key to be inserted into
	+ * the key vault collection.
	+ *
	+ * @returns a bool indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out);
	+
	+
	+/**
	+ * Destroy and free all memory associated with a @ref mongocrypt_ctx_t.
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_ctx_destroy (mongocrypt_ctx_t *ctx);
	+
	+/**
	+ * An crypto AES-256-CBC encrypt or decrypt function.
	+ *
	+ * Note, @p in is already padded. Encrypt with padding disabled.
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[in] key An encryption key (32 bytes for AES_256).
	+ * @param[in] iv An initialization vector (16 bytes for AES_256);
	+ * @param[in] in The input.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[out] bytes_written Set this to the number of bytes written to @p out.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_crypto_fn) (void ctx,
	+ mongocrypt_binary_t *key,
	+ mongocrypt_binary_t *iv,
	+ mongocrypt_binary_t *in,
	+ mongocrypt_binary_t *out,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status);
	+
	+/**
	+ * A crypto signature or HMAC function.
	+ *
	+ * Currently used in callbacks for HMAC SHA-512, HMAC SHA-256, and RSA SHA-256
	+ * signature.
	+ *
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[in] key An encryption key (32 bytes for HMAC_SHA512).
	+ * @param[in] in The input.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_hmac_fn) (void ctx,
	+ mongocrypt_binary_t *key,
	+ mongocrypt_binary_t *in,
	+ mongocrypt_binary_t *out,
	+ mongocrypt_status_t *status);
	+
	+
	+/**
	+ * A crypto hash (SHA-256) function.
	+ *
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[in] in The input.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_hash_fn) (void ctx,
	+ mongocrypt_binary_t *in,
	+ mongocrypt_binary_t *out,
	+ mongocrypt_status_t *status);
	+
	+/**
	+ * A crypto secure random function.
	+ *
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[in] count The number of random bytes requested.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_random_fn) (void ctx,
	+ mongocrypt_binary_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status);
	+
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_crypto_hooks (mongocrypt_t *crypt,
	+ mongocrypt_crypto_fn aes_256_cbc_encrypt,
	+ mongocrypt_crypto_fn aes_256_cbc_decrypt,
	+ mongocrypt_random_fn random,
	+ mongocrypt_hmac_fn hmac_sha_512,
	+ mongocrypt_hmac_fn hmac_sha_256,
	+ mongocrypt_hash_fn sha_256,
	+ void *ctx);
	+
	+/**
	+ * Set a crypto hook for the RSASSA-PKCS1-v1_5 algorithm with a SHA-256 hash.
	+ *
	+ * See: https://tools.ietf.org/html/rfc3447#section-8.2
	+ *
	+ * Note: this function has the wrong name. It should be:
	+ * mongocrypt_setopt_crypto_hook_sign_rsassa_pkcs1_v1_5
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] sign_rsaes_pkcs1_v1_5 The crypto callback function.
	+ * @param[in] sign_ctx A context passed as an argument to the crypto callback
	+ * every invocation.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_status
	+ *
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_crypto_hook_sign_rsaes_pkcs1_v1_5 (
	+ mongocrypt_t *crypt,
	+ mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5,
	+ void *sign_ctx);
	+
	+#endif /* MONGOCRYPT_H */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.h.in b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.h.in
	new file mode 100644
	index 00000000..6e2b8f04
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/mongocrypt.h.in
	@@ -0,0 +1,1255 @@
	+/*
	+ * Copyright 2019-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+#ifndef MONGOCRYPT_H
	+#define MONGOCRYPT_H
	+
	+/** @file mongocrypt.h The top-level handle to libmongocrypt. */
	+
	+/**
	+ * @mainpage libmongocrypt
	+ * See all public API documentation in: @ref mongocrypt.h
	+ */
	+
	+#include "mongocrypt-export.h"
	+#include "mongocrypt-compat.h"
	+#include "mongocrypt-config.h"
	+
	+/**
	+ * @def MONGOCRYPT_VERSION
	+ * The version string describing libmongocrypt.
	+ * Has the form x.y.z-<pre>+<date>+git<sha>.
	+ */
	+#define MONGOCRYPT_VERSION "@MONGOCRYPT_BUILD_VERSION@"
	+
	+/**
	+ * Returns the version string for libmongocrypt.
	+ *
	+ * @param[out] len An optional length of the returned string. May be NULL.
	+ * @returns a NULL terminated version string for libmongocrypt.
	+ */
	+MONGOCRYPT_EXPORT
	+const char *
	+mongocrypt_version (uint32_t *len);
	+
	+
	+/**
	+ * A non-owning view of a byte buffer.
	+ *
	+ * When constructing a mongocrypt_binary_t it is the responsibility of the
	+ * caller to maintain the lifetime of the viewed data. However, all public
	+ * functions that take a mongocrypt_binary_t as an argument will make a copy of
	+ * the viewed data. For example, the following is valid:
	+ *
	+ * @code{.c}
	+ * mongocrypt_binary_t bin = mongocrypt_binary_new_from_data(mydata, mylen);
	+ * assert (mongocrypt_setopt_kms_provider_local (crypt), bin);
	+ * // The viewed data of bin has been copied. Ok to free the view and the data.
	+ * mongocrypt_binary_destroy (bin);
	+ * my_free_fn (mydata);
	+ * @endcode
	+ *
	+ * Functions with a mongocrypt_binary_t* out guarantee the lifetime of the
	+ * viewed data to live as long as the parent object. For example, @ref
	+ * mongocrypt_ctx_mongo_op guarantees that the viewed data of
	+ * mongocrypt_binary_t is valid until the parent ctx is destroyed with @ref
	+ * mongocrypt_ctx_destroy.
	+ */
	+typedef struct _mongocrypt_binary_t mongocrypt_binary_t;
	+
	+
	+/**
	+ * Create a new non-owning view of a buffer (data + length).
	+ *
	+ * Use this to create a mongocrypt_binary_t used for output parameters.
	+ *
	+ * @returns A new mongocrypt_binary_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_binary_t *
	+mongocrypt_binary_new (void);
	+
	+
	+/**
	+ * Create a new non-owning view of a buffer (data + length).
	+ *
	+ * @param[in] data A pointer to an array of bytes. This data is not copied. @p
	+ * data must outlive the binary object.
	+ * @param[in] len The length of the @p data byte array.
	+ *
	+ * @returns A new @ref mongocrypt_binary_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_binary_t *
	+mongocrypt_binary_new_from_data (uint8_t *data, uint32_t len);
	+
	+
	+/**
	+ * Get a pointer to the viewed data.
	+ *
	+ * @param[in] binary The @ref mongocrypt_binary_t.
	+ *
	+ * @returns A pointer to the viewed data.
	+ */
	+MONGOCRYPT_EXPORT
	+uint8_t *
	+mongocrypt_binary_data (const mongocrypt_binary_t *binary);
	+
	+
	+/**
	+ * Get the length of the viewed data.
	+ *
	+ * @param[in] binary The @ref mongocrypt_binary_t.
	+ *
	+ * @returns The length of the viewed data.
	+ */
	+MONGOCRYPT_EXPORT
	+uint32_t
	+mongocrypt_binary_len (const mongocrypt_binary_t *binary);
	+
	+
	+/**
	+ * Free the @ref mongocrypt_binary_t.
	+ *
	+ * This does not free the viewed data.
	+ *
	+ * @param[in] binary The mongocrypt_binary_t destroy.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_binary_destroy (mongocrypt_binary_t *binary);
	+
	+
	+/**
	+ * Indicates success or contains error information.
	+ *
	+ * Functions like @ref mongocrypt_ctx_encrypt_init follow a pattern to expose a
	+ * status. A boolean is returned. True indicates success, and false indicates
	+ * failure. On failure a status on the handle is set, and is accessible with a
	+ * corresponding (handle)_status function. E.g. @ref mongocrypt_ctx_status.
	+ */
	+typedef struct _mongocrypt_status_t mongocrypt_status_t;
	+
	+/**
	+ * Indicates the type of error.
	+ */
	+typedef enum {
	+ MONGOCRYPT_STATUS_OK = 0,
	+ MONGOCRYPT_STATUS_ERROR_CLIENT = 1,
	+ MONGOCRYPT_STATUS_ERROR_KMS = 2
	+} mongocrypt_status_type_t;
	+
	+
	+/**
	+ * Create a new status object.
	+ *
	+ * Use a new status object to retrieve the status from a handle by passing
	+ * this as an out-parameter to functions like @ref mongocrypt_ctx_status.
	+ * When done, destroy it with @ref mongocrypt_status_destroy.
	+ *
	+ * @returns A new status object.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_status_t *
	+mongocrypt_status_new (void);
	+
	+
	+/**
	+ * Set a status object with message, type, and code.
	+ *
	+ * Use this to set the @ref mongocrypt_status_t given in the crypto hooks.
	+ *
	+ * @param[in] type The status type.
	+ * @param[in] code The status code.
	+ * @param[in] message The message.
	+ * @param[in] message_len Due to historical behavior, pass 1 + the string length
	+ * of @p message (which differs from other functions accepting string
	+ * arguments).
	+ * Alternatively, if message is NULL terminated this may be -1 to tell
	+ * mongocrypt
	+ * to determine the string's length with strlen.
	+ *
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_status_set (mongocrypt_status_t *status,
	+ mongocrypt_status_type_t type,
	+ uint32_t code,
	+ const char *message,
	+ int32_t message_len);
	+
	+
	+/**
	+ * Indicates success or the type of error.
	+ *
	+ * @param[in] status The status object.
	+ *
	+ * @returns A @ref mongocrypt_status_type_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_status_type_t
	+mongocrypt_status_type (mongocrypt_status_t *status);
	+
	+
	+/**
	+ * Get an error code or 0.
	+ *
	+ * @param[in] status The status object.
	+ *
	+ * @returns An error code.
	+ */
	+MONGOCRYPT_EXPORT
	+uint32_t
	+mongocrypt_status_code (mongocrypt_status_t *status);
	+
	+
	+/**
	+ * Get the error message associated with a status or NULL.
	+ *
	+ * @param[in] status The status object.
	+ * @param[out] len An optional length of the returned string (excluding the
	+ * trailing NULL byte). May be NULL.
	+ *
	+ * @returns A NULL terminated error message or NULL.
	+ */
	+MONGOCRYPT_EXPORT
	+const char *
	+mongocrypt_status_message (mongocrypt_status_t status, uint32_t len);
	+
	+
	+/**
	+ * Returns true if the status indicates success.
	+ *
	+ * @param[in] status The status to check.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_status_ok (mongocrypt_status_t *status);
	+
	+
	+/**
	+ * Free the memory for a status object.
	+ *
	+ * @param[in] status The status to destroy.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_status_destroy (mongocrypt_status_t *status);
	+
	+/**
	+ * Indicates the type of log message.
	+ */
	+typedef enum {
	+ MONGOCRYPT_LOG_LEVEL_FATAL = 0,
	+ MONGOCRYPT_LOG_LEVEL_ERROR = 1,
	+ MONGOCRYPT_LOG_LEVEL_WARNING = 2,
	+ MONGOCRYPT_LOG_LEVEL_INFO = 3,
	+ MONGOCRYPT_LOG_LEVEL_TRACE = 4
	+} mongocrypt_log_level_t;
	+
	+
	+/**
	+ * A log callback function. Set a custom log callback with @ref
	+ * mongocrypt_setopt_log_handler.
	+ *
	+ * @param[in] message A NULL terminated message.
	+ * @param[in] message_len The length of message.
	+ * @param[in] ctx A context provided by the caller of @ref
	+ * mongocrypt_setopt_log_handler.
	+ */
	+typedef void (*mongocrypt_log_fn_t) (mongocrypt_log_level_t level,
	+ const char *message,
	+ uint32_t message_len,
	+ void *ctx);
	+
	+
	+/**
	+ * The top-level handle to libmongocrypt.
	+ *
	+ * Create a mongocrypt_t handle to perform operations within libmongocrypt:
	+ * encryption, decryption, registering log callbacks, etc.
	+ *
	+ * Functions on a mongocrypt_t are thread safe, though functions on derived
	+ * handles (e.g. mongocrypt_ctx_t) are not and must be owned by a single
	+ * thread. See each handle's documentation for thread-safety considerations.
	+ *
	+ * Multiple mongocrypt_t handles may be created.
	+ */
	+typedef struct _mongocrypt_t mongocrypt_t;
	+
	+
	+/**
	+ * Allocate a new @ref mongocrypt_t object.
	+ *
	+ * Set options using mongocrypt_setopt_* functions, then initialize with @ref
	+ * mongocrypt_init. When done with the @ref mongocrypt_t, free with @ref
	+ * mongocrypt_destroy.
	+ *
	+ * @returns A new @ref mongocrypt_t object.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_t *
	+mongocrypt_new (void);
	+
	+
	+/**
	+ * Set a handler on the @ref mongocrypt_t object to get called on every log
	+ * message.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] log_fn The log callback.
	+ * @param[in] log_ctx A context passed as an argument to the log callback every
	+ * invocation.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_log_handler (mongocrypt_t *crypt,
	+ mongocrypt_log_fn_t log_fn,
	+ void *log_ctx);
	+
	+
	+/**
	+ * Configure an AWS KMS provider on the @ref mongocrypt_t object.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_setopt_kms_providers
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] aws_access_key_id The AWS access key ID used to generate KMS
	+ * messages.
	+ * @param[in] aws_access_key_id_len The string length (in bytes) of @p
	+ * aws_access_key_id. Pass -1 to determine the string length with strlen (must
	+ * be NULL terminated).
	+ * @param[in] aws_secret_access_key The AWS secret access key used to generate
	+ * KMS messages.
	+ * @param[in] aws_secret_access_key_len The string length (in bytes) of @p
	+ * aws_secret_access_key. Pass -1 to determine the string length with strlen
	+ * (must be NULL terminated).
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_kms_provider_aws (mongocrypt_t *crypt,
	+ const char *aws_access_key_id,
	+ int32_t aws_access_key_id_len,
	+ const char *aws_secret_access_key,
	+ int32_t aws_secret_access_key_len);
	+
	+
	+/**
	+ * Configure a local KMS provider on the @ref mongocrypt_t object.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_setopt_kms_providers
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] key A 96 byte master key used to encrypt and decrypt key vault
	+ * keys. The viewed data is copied. It is valid to destroy @p key with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_kms_provider_local (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *key);
	+
	+/**
	+ * Configure KMS providers with a BSON document.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] kms_providers A BSON document mapping the KMS provider names
	+ * to credentials.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_kms_providers (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *kms_providers);
	+
	+/**
	+ * Set a local schema map for encryption.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] schema_map A BSON document representing the schema map supplied by
	+ * the user. The keys are collection namespaces and values are JSON schemas. The
	+ * viewed data copied. It is valid to destroy @p schema_map with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @pre @p crypt has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_schema_map (mongocrypt_t *crypt,
	+ mongocrypt_binary_t *schema_map);
	+
	+
	+/**
	+ * @brief Append an additional search directory to the search path for loading
	+ * the CSFLE dynamic library.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object to update
	+ * @param[in] path A null-terminated sequence of bytes for the search path. On
	+ * some filesystems, this may be arbitrary bytes. On other filesystems, this may
	+ * be required to be a valid UTF-8 code unit sequence. If the leading element of
	+ * the path is the literal string "$ORIGIN", that substring will be replaced
	+ * with the directory path containing the executable libmongocrypt module. If
	+ * the path string is literal "$SYSTEM", then libmongocrypt will defer to the
	+ * system's library resolution mechanism to find the CSFLE library.
	+ *
	+ * @note If no CSFLE dynamic library is found in any of the directories
	+ * specified by the search paths loaded here, @ref mongocrypt_init() will still
	+ * succeed and continue to operate without CSFLE.
	+ *
	+ * @note The search paths are searched in the order that they are appended. This
	+ * allows one to provide a precedence in how the library will be discovered. For
	+ * example, appending known directories before appending "$SYSTEM" will allow
	+ * one to supersede the system's installed library, but still fall-back to it if
	+ * the library wasn't found otherwise. If one does not ever append "$SYSTEM",
	+ * then the system's library-search mechanism will never be consulted.
	+ *
	+ * @note If an absolute path to the library is specified using
	+ * @ref mongocrypt_setopt_set_csfle_lib_path_override, then paths appended here
	+ * will have no effect.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_setopt_append_csfle_search_path (mongocrypt_t *crypt,
	+ const char *path);
	+
	+
	+/**
	+ * @brief Set a single override path for loading the CSFLE dynamic library.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object to update
	+ * @param[in] path A null-terminated sequence of bytes for a path to the CSFLE
	+ * dynamic library. On some filesystems, this may be arbitrary bytes. On other
	+ * filesystems, this may be required to be a valid UTF-8 code unit sequence. If
	+ * the leading element of the path is the literal string `$ORIGIN`, that
	+ * substring will be replaced with the directory path containing the executable
	+ * libmongocrypt module.
	+ *
	+ * @note This function will do no IO nor path validation. All validation will
	+ * occur during the call to @ref mongocrypt_init.
	+ *
	+ * @note If a CSFLE library path override is specified here, then no paths given
	+ * to @ref mongocrypt_setopt_append_csfle_search_path will be consulted when
	+ * opening the CSFLE library.
	+ *
	+ * @note If a path is provided via this API and @ref mongocrypt_init fails to
	+ * initialize a valid CSFLE library instance for the path specified, then
	+ * the initialization of mongocrypt_t will fail with an error.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_setopt_set_csfle_lib_path_override (mongocrypt_t *crypt,
	+ const char *path);
	+
	+
	+/**
	+ * Initialize new @ref mongocrypt_t object.
	+ *
	+ * Set options before using @ref mongocrypt_setopt_kms_provider_local, @ref
	+ * mongocrypt_setopt_kms_provider_aws, or @ref mongocrypt_setopt_log_handler.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status Failure may occur if previously
	+ * set
	+ * options are invalid.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_init (mongocrypt_t *crypt);
	+
	+
	+/**
	+ * Get the status associated with a @ref mongocrypt_t object.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[out] status Receives the status.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_status (mongocrypt_t crypt, mongocrypt_status_t status);
	+
	+
	+/**
	+ * Destroy the @ref mongocrypt_t object.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object to destroy.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_destroy (mongocrypt_t *crypt);
	+
	+
	+/**
	+ * Manages the state machine for encryption or decryption.
	+ */
	+typedef struct _mongocrypt_ctx_t mongocrypt_ctx_t;
	+
	+
	+/**
	+ * Create a new uninitialized @ref mongocrypt_ctx_t.
	+ *
	+ * Initialize the context with functions like @ref mongocrypt_ctx_encrypt_init.
	+ * When done, destroy it with @ref mongocrypt_ctx_destroy.
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @returns A new context.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_ctx_t *
	+mongocrypt_ctx_new (mongocrypt_t *crypt);
	+
	+
	+/**
	+ * Get the status associated with a @ref mongocrypt_ctx_t object.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[out] status Receives the status.
	+ *
	+ * @returns True if the output is an ok status, false if it is an error
	+ * status.
	+ *
	+ * @see mongocrypt_status_ok
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_status (mongocrypt_ctx_t ctx, mongocrypt_status_t status);
	+
	+
	+/**
	+ * Set the key id to use for explicit encryption.
	+ *
	+ * It is an error to set both this and the key alt name.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] key_id The binary corresponding to the _id (a UUID) of the data
	+ * key to use from the key vault collection. Note, the UUID must be encoded with
	+ * RFC-4122 byte order. The viewed data is copied. It is valid to destroy
	+ * @p key_id with @ref mongocrypt_binary_destroy immediately after.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_id (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_id);
	+
	+/**
	+ * Set the keyAltName to use for explicit encryption or
	+ * data key creation.
	+ *
	+ * Pass the binary encoding a BSON document like the following:
	+ *
	+ * { "keyAltName" : (BSON UTF8 value) }
	+ *
	+ * For explicit encryption, it is an error to set both the keyAltName
	+ * and the key id.
	+ *
	+ * For creating data keys, call this function repeatedly to set
	+ * multiple keyAltNames.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] key_alt_name The name to use. The viewed data is copied. It is
	+ * valid to destroy @p key_alt_name with @ref mongocrypt_binary_destroy
	+ * immediately after.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_alt_name (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_alt_name);
	+
	+/**
	+ * Set the keyMaterial to use for encrypting data.
	+ *
	+ * Pass the binary encoding of a BSON document like the following:
	+ *
	+ * { "keyMaterial" : (BSON BINARY value) }
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] key_material The data encryption key to use. The viewed data is
	+ * copied. It is valid to destroy @p key_material with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_material (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *key_material);
	+
	+/**
	+ * Set the algorithm used for encryption to either
	+ * deterministic or random encryption. This value
	+ * should only be set when using explicit encryption.
	+ *
	+ * If -1 is passed in for "len", then "algorithm" is
	+ * assumed to be a null-terminated string.
	+ *
	+ * Valid values for algorithm are:
	+ * "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
	+ * "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] algorithm A string specifying the algorithm to
	+ * use for encryption.
	+ * @param[in] len The length of the algorithm string.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_algorithm (mongocrypt_ctx_t *ctx,
	+ const char *algorithm,
	+ int len);
	+
	+
	+/**
	+ * Identify the AWS KMS master key to use for creating a data key.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_ctx_setopt_key_encryption_key
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] region The AWS region.
	+ * @param[in] region_len The string length of @p region. Pass -1 to determine
	+ * the string length with strlen (must be NULL terminated).
	+ * @param[in] cmk The Amazon Resource Name (ARN) of the customer master key
	+ * (CMK).
	+ * @param[in] cmk_len The string length of @p cmk_len. Pass -1 to determine the
	+ * string length with strlen (must be NULL terminated).
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_masterkey_aws (mongocrypt_ctx_t *ctx,
	+ const char *region,
	+ int32_t region_len,
	+ const char *cmk,
	+ int32_t cmk_len);
	+
	+
	+/**
	+ * Identify a custom AWS endpoint when creating a data key.
	+ * This is used internally to construct the correct HTTP request
	+ * (with the Host header set to this endpoint). This endpoint
	+ * is persisted in the new data key, and will be returned via
	+ * @ref mongocrypt_kms_ctx_endpoint.
	+ *
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_ctx_setopt_key_encryption_key
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] endpoint The endpoint.
	+ * @param[in] endpoint_len The string length of @p endpoint. Pass -1 to
	+ * determine the string length with strlen (must be NULL terminated).
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_masterkey_aws_endpoint (mongocrypt_ctx_t *ctx,
	+ const char *endpoint,
	+ int32_t endpoint_len);
	+
	+/**
	+ * Set the master key to "local" for creating a data key.
	+ * This has been superseded by the more flexible:
	+ * @ref mongocrypt_ctx_setopt_key_encryption_key
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_masterkey_local (mongocrypt_ctx_t *ctx);
	+
	+/**
	+ * Set key encryption key document for creating a data key.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] bin BSON representing the key encryption key document with
	+ * an additional "provider" field. The following forms are accepted:
	+ *
	+ * AWS
	+ * {
	+ * provider: "aws",
	+ * region: <string>,
	+ * key: <string>,
	+ * endpoint: <optional string>
	+ * }
	+ *
	+ * Azure
	+ * {
	+ * provider: "azure",
	+ * keyVaultEndpoint: <string>,
	+ * keyName: <string>,
	+ * keyVersion: <optional string>
	+ * }
	+ *
	+ * GCP
	+ * {
	+ * provider: "gcp",
	+ * projectId: <string>,
	+ * location: <string>,
	+ * keyRing: <string>,
	+ * keyName: <string>,
	+ * keyVersion: <string>,
	+ * endpoint: <optional string>
	+ * }
	+ *
	+ * Local
	+ * {
	+ * provider: "local"
	+ * }
	+ *
	+ * KMIP
	+ * {
	+ * provider: "kmip",
	+ * keyId: <optional string>
	+ * endpoint: <string>
	+ * }
	+ *
	+ * @pre @p ctx has not been initialized.
	+ * @returns A boolean indicating success. If false, and error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_setopt_key_encryption_key (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *bin);
	+
	+
	+/**
	+ * Initialize a context to create a data key.
	+ *
	+ * Associated options:
	+ * - @ref mongocrypt_ctx_setopt_masterkey_aws
	+ * - @ref mongocrypt_ctx_setopt_masterkey_aws_endpoint
	+ * - @ref mongocrypt_ctx_setopt_masterkey_local
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ * @pre A master key option has been set, and an associated KMS provider
	+ * has been set on the parent @ref mongocrypt_t.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_datakey_init (mongocrypt_ctx_t *ctx);
	+
	+/**
	+ * Initialize a context for encryption.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] db The database name.
	+ * @param[in] db_len The byte length of @p db. Pass -1 to determine the string
	+ * length with strlen (must
	+ * be NULL terminated).
	+ * @param[in] cmd The BSON command to be encrypted. The viewed data is copied.
	+ * It is valid to destroy @p cmd with @ref mongocrypt_binary_destroy immediately
	+ * after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_encrypt_init (mongocrypt_ctx_t *ctx,
	+ const char *db,
	+ int32_t db_len,
	+ mongocrypt_binary_t *cmd);
	+
	+/**
	+ * Explicit helper method to encrypt a single BSON object. Contexts
	+ * created for explicit encryption will not go through mongocryptd.
	+ *
	+ * To specify a key_id, algorithm, or iv to use, please use the
	+ * corresponding mongocrypt_setopt methods before calling this.
	+ *
	+ * This method expects the passed-in BSON to be of the form:
	+ * { "v" : BSON value to encrypt }
	+ *
	+ * Associated options:
	+ * - @ref mongocrypt_ctx_setopt_key_id
	+ * - @ref mongocrypt_ctx_setopt_key_alt_name
	+ * - @ref mongocrypt_ctx_setopt_algorithm
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @param[in] msg A @ref mongocrypt_binary_t the plaintext BSON value. The
	+ * viewed data is copied. It is valid to destroy @p msg with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_explicit_encrypt_init (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *msg);
	+
	+
	+/**
	+ * Initialize a context for decryption.
	+ *
	+ * This method expects the passed-in BSON to be of the form:
	+ * { "v" : BSON value to encrypt }
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] doc The document to be decrypted. The viewed data is copied. It is
	+ * valid to destroy @p doc with @ref mongocrypt_binary_destroy immediately
	+ * after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_decrypt_init (mongocrypt_ctx_t ctx, mongocrypt_binary_t doc);
	+
	+
	+/**
	+ * Explicit helper method to decrypt a single BSON object.
	+ *
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @param[in] msg A @ref mongocrypt_binary_t the encrypted BSON. The viewed data
	+ * is copied. It is valid to destroy @p msg with @ref mongocrypt_binary_destroy
	+ * immediately after.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_explicit_decrypt_init (mongocrypt_ctx_t *ctx,
	+ mongocrypt_binary_t *msg);
	+
	+
	+/**
	+ * Indicates the state of the @ref mongocrypt_ctx_t. Each state requires
	+ * different handling. See [the integration
	+ * guide](https://github.com/mongodb/libmongocrypt/blob/master/integrating.md#state-machine)
	+ * for information on what to do for each state.
	+ */
	+typedef enum {
	+ MONGOCRYPT_CTX_ERROR = 0,
	+ MONGOCRYPT_CTX_NEED_MONGO_COLLINFO = 1, /* run on main MongoClient */
	+ MONGOCRYPT_CTX_NEED_MONGO_MARKINGS = 2, /* run on mongocryptd. */
	+ MONGOCRYPT_CTX_NEED_MONGO_KEYS = 3, /* run on key vault */
	+ MONGOCRYPT_CTX_NEED_KMS = 4,
	+ MONGOCRYPT_CTX_READY = 5, /* ready for encryption/decryption */
	+ MONGOCRYPT_CTX_DONE = 6
	+} mongocrypt_ctx_state_t;
	+
	+
	+/**
	+ * Get the current state of a context.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @returns A @ref mongocrypt_ctx_state_t.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_ctx_state_t
	+mongocrypt_ctx_state (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Get BSON necessary to run the mongo operation when mongocrypt_ctx_t
	+ * is in MONGOCRYPT_CTX_NEED_MONGO_* states.
	+ *
	+ * @p op_bson is a BSON document to be used for the operation.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a listCollections filter.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a find filter.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a command to send to
	+ * mongocryptd.
	+ *
	+ * The lifetime of @p op_bson is tied to the lifetime of @p ctx. It is valid
	+ * until @ref mongocrypt_ctx_destroy is called.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[out] op_bson A BSON document for the MongoDB operation. The data
	+ * viewed by @p op_bson is guaranteed to be valid until @p ctx is destroyed with
	+ * @ref mongocrypt_ctx_destroy.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_mongo_op (mongocrypt_ctx_t ctx, mongocrypt_binary_t op_bson);
	+
	+
	+/**
	+ * Feed a BSON reply or result when mongocrypt_ctx_t is in
	+ * MONGOCRYPT_CTX_NEED_MONGO_* states. This may be called multiple times
	+ * depending on the operation.
	+ *
	+ * reply is a BSON document result being fed back for this operation.
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_COLLINFO it is a doc from a listCollections
	+ * cursor. (Note, if listCollections returned no result, do not call this
	+ * function.)
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_KEYS it is a doc from a find cursor.
	+ * (Note, if find returned no results, do not call this function. reply must
	+ * not
	+ * be NULL.)
	+ * - For MONGOCRYPT_CTX_NEED_MONGO_MARKINGS it is a reply from mongocryptd.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @param[in] reply A BSON document for the MongoDB operation. The viewed data
	+ * is copied. It is valid to destroy @p reply with @ref
	+ * mongocrypt_binary_destroy immediately after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_mongo_feed (mongocrypt_ctx_t ctx, mongocrypt_binary_t reply);
	+
	+
	+/**
	+ * Call when done feeding the reply (or replies) back to the context.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_mongo_done (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Manages a single KMS HTTP request/response.
	+ */
	+typedef struct _mongocrypt_kms_ctx_t mongocrypt_kms_ctx_t;
	+
	+
	+/**
	+ * Get the next KMS handle.
	+ *
	+ * Multiple KMS handles may be retrieved at once. Drivers may do this to fan
	+ * out multiple concurrent KMS HTTP requests. Feeding multiple KMS requests
	+ * is thread-safe.
	+ *
	+ * If KMS handles are being handled synchronously, the driver can reuse the same
	+ * TLS socket to send HTTP requests and receive responses.
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @returns a new @ref mongocrypt_kms_ctx_t or NULL.
	+ */
	+MONGOCRYPT_EXPORT
	+mongocrypt_kms_ctx_t *
	+mongocrypt_ctx_next_kms_ctx (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Get the HTTP request message for a KMS handle.
	+ *
	+ * The lifetime of @p msg is tied to the lifetime of @p kms. It is valid
	+ * until @ref mongocrypt_ctx_kms_done is called.
	+ *
	+ * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	+ * @param[out] msg The HTTP request to send to KMS. The data viewed by @p msg is
	+ * guaranteed to be valid until the call of @ref mongocrypt_ctx_kms_done of the
	+ * parent @ref mongocrypt_ctx_t.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_kms_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_message (mongocrypt_kms_ctx_t *kms,
	+ mongocrypt_binary_t *msg);
	+
	+
	+/**
	+ * Get the hostname from which to connect over TLS.
	+ *
	+ * The storage for @p endpoint is not owned by the caller, but
	+ * is valid until calling @ref mongocrypt_ctx_kms_done.
	+ *
	+ * @param[in] kms A @ref mongocrypt_kms_ctx_t.
	+ * @param[out] endpoint The output endpoint as a NULL terminated string.
	+ * The endpoint consists of a hostname and port separated by a colon.
	+ * E.g. "example.com:123". A port is always present.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_kms_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_endpoint (mongocrypt_kms_ctx_t kms, const char *endpoint);
	+
	+
	+/**
	+ * Indicates how many bytes to feed into @ref mongocrypt_kms_ctx_feed.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	+ * @returns The number of requested bytes.
	+ */
	+MONGOCRYPT_EXPORT
	+uint32_t
	+mongocrypt_kms_ctx_bytes_needed (mongocrypt_kms_ctx_t *kms);
	+
	+
	+/**
	+ * Feed bytes from the HTTP response.
	+ *
	+ * Feeding more bytes than what has been returned in @ref
	+ * mongocrypt_kms_ctx_bytes_needed is an error.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t.
	+ * @param[in] bytes The bytes to feed. The viewed data is copied. It is valid to
	+ * destroy @p bytes with @ref mongocrypt_binary_destroy immediately after.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_kms_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_feed (mongocrypt_kms_ctx_t kms, mongocrypt_binary_t bytes);
	+
	+
	+/**
	+ * Get the status associated with a @ref mongocrypt_kms_ctx_t object.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	+ * @param[out] status Receives the status.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_kms_ctx_status (mongocrypt_kms_ctx_t *kms,
	+ mongocrypt_status_t *status);
	+
	+/**
	+ * Get the KMS provider identifier associated with this KMS request.
	+ *
	+ * This is used to conditionally configure TLS connections based on the KMS
	+ * request. It is useful for KMIP, which authenticates with a client
	+ * certificate.
	+ *
	+ * @param[in] kms The @ref mongocrypt_kms_ctx_t object.
	+ * @param[out] len Receives the length of the returned string. It may be NULL.
	+ * If it is not NULL, it is set to the length of the returned string without
	+ * the NULL terminator.
	+ *
	+ * @returns One of the NULL terminated static strings: "aws", "azure", "gcp", or
	+ * "kmip".
	+ */
	+MONGOCRYPT_EXPORT
	+const char *
	+mongocrypt_kms_ctx_get_kms_provider (mongocrypt_kms_ctx_t kms, uint32_t len);
	+
	+
	+/**
	+ * Call when done handling all KMS contexts.
	+ *
	+ * @param[in] ctx The @ref mongocrypt_ctx_t object.
	+ *
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_kms_done (mongocrypt_ctx_t *ctx);
	+
	+
	+/**
	+ * Perform the final encryption or decryption.
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ * @param[out] out The final BSON. The data viewed by @p out is guaranteed
	+ * to be valid until @p ctx is destroyed with @ref mongocrypt_ctx_destroy.
	+ * The meaning of this BSON depends on the type of @p ctx.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_encrypt_init, then
	+ * this BSON is the (possibly) encrypted command to send to the server.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_decrypt_init, then
	+ * this BSON is the decrypted result to return to the user.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_encrypt_init,
	+ * then this BSON has the form { "v": (BSON binary) } where the BSON binary
	+ * is the resulting encrypted value.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_explicit_decrypt_init,
	+ * then this BSON has the form { "v": (BSON value) } where the BSON value
	+ * is the resulting decrypted value.
	+ *
	+ * If @p ctx was initialized with @ref mongocrypt_ctx_datakey_init, then
	+ * this BSON is the document containing the new data key to be inserted into
	+ * the key vault collection.
	+ *
	+ * @returns a bool indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_ctx_status
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_ctx_finalize (mongocrypt_ctx_t ctx, mongocrypt_binary_t out);
	+
	+
	+/**
	+ * Destroy and free all memory associated with a @ref mongocrypt_ctx_t.
	+ *
	+ * @param[in] ctx A @ref mongocrypt_ctx_t.
	+ */
	+MONGOCRYPT_EXPORT
	+void
	+mongocrypt_ctx_destroy (mongocrypt_ctx_t *ctx);
	+
	+/**
	+ * An crypto AES-256-CBC encrypt or decrypt function.
	+ *
	+ * Note, @p in is already padded. Encrypt with padding disabled.
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[in] key An encryption key (32 bytes for AES_256).
	+ * @param[in] iv An initialization vector (16 bytes for AES_256);
	+ * @param[in] in The input.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[out] bytes_written Set this to the number of bytes written to @p out.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_crypto_fn) (void ctx,
	+ mongocrypt_binary_t *key,
	+ mongocrypt_binary_t *iv,
	+ mongocrypt_binary_t *in,
	+ mongocrypt_binary_t *out,
	+ uint32_t *bytes_written,
	+ mongocrypt_status_t *status);
	+
	+/**
	+ * A crypto signature or HMAC function.
	+ *
	+ * Currently used in callbacks for HMAC SHA-512, HMAC SHA-256, and RSA SHA-256
	+ * signature.
	+ *
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[in] key An encryption key (32 bytes for HMAC_SHA512).
	+ * @param[in] in The input.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_hmac_fn) (void ctx,
	+ mongocrypt_binary_t *key,
	+ mongocrypt_binary_t *in,
	+ mongocrypt_binary_t *out,
	+ mongocrypt_status_t *status);
	+
	+
	+/**
	+ * A crypto hash (SHA-256) function.
	+ *
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[in] in The input.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_hash_fn) (void ctx,
	+ mongocrypt_binary_t *in,
	+ mongocrypt_binary_t *out,
	+ mongocrypt_status_t *status);
	+
	+/**
	+ * A crypto secure random function.
	+ *
	+ * @param[in] ctx An optional context object that may have been set when hooks
	+ * were enabled.
	+ * @param[out] out A preallocated byte array for the output. See @ref
	+ * mongocrypt_binary_data.
	+ * @param[in] count The number of random bytes requested.
	+ * @param[out] status An optional status to pass error messages. See @ref
	+ * mongocrypt_status_set.
	+ * @returns A boolean indicating success. If returning false, set @p status
	+ * with a message indiciating the error using @ref mongocrypt_status_set.
	+ */
	+typedef bool (mongocrypt_random_fn) (void ctx,
	+ mongocrypt_binary_t *out,
	+ uint32_t count,
	+ mongocrypt_status_t *status);
	+
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_crypto_hooks (mongocrypt_t *crypt,
	+ mongocrypt_crypto_fn aes_256_cbc_encrypt,
	+ mongocrypt_crypto_fn aes_256_cbc_decrypt,
	+ mongocrypt_random_fn random,
	+ mongocrypt_hmac_fn hmac_sha_512,
	+ mongocrypt_hmac_fn hmac_sha_256,
	+ mongocrypt_hash_fn sha_256,
	+ void *ctx);
	+
	+/**
	+ * Set a crypto hook for the RSASSA-PKCS1-v1_5 algorithm with a SHA-256 hash.
	+ *
	+ * See: https://tools.ietf.org/html/rfc3447#section-8.2
	+ *
	+ * Note: this function has the wrong name. It should be:
	+ * mongocrypt_setopt_crypto_hook_sign_rsassa_pkcs1_v1_5
	+ *
	+ * @param[in] crypt The @ref mongocrypt_t object.
	+ * @param[in] sign_rsaes_pkcs1_v1_5 The crypto callback function.
	+ * @param[in] sign_ctx A context passed as an argument to the crypto callback
	+ * every invocation.
	+ * @pre @ref mongocrypt_init has not been called on @p crypt.
	+ * @returns A boolean indicating success. If false, an error status is set.
	+ * Retrieve it with @ref mongocrypt_status
	+ *
	+ */
	+MONGOCRYPT_EXPORT
	+bool
	+mongocrypt_setopt_crypto_hook_sign_rsaes_pkcs1_v1_5 (
	+ mongocrypt_t *crypt,
	+ mongocrypt_hmac_fn sign_rsaes_pkcs1_v1_5,
	+ void *sign_ctx);
	+
	+#endif /* MONGOCRYPT_H */
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/os_posix/os_dll.c b/mongodb-1.13.0/src/libmongocrypt/src/os_posix/os_dll.c
	new file mode 100644
	index 00000000..1c896a96
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/os_posix/os_dll.c
	@@ -0,0 +1,43 @@
	+#include "../mongocrypt-dll-private.h"
	+
	+#ifndef _WIN32
	+
	+#include <string.h>
	+#include <stdio.h>
	+
	+#include <dlfcn.h>
	+
	+mcr_dll
	+mcr_dll_open (const char *filepath)
	+{
	+ void *handle = dlopen (filepath, RTLD_LAZY \| RTLD_LOCAL);
	+ if (handle == NULL) {
	+ // Failed to open. Return NULL and copy the error message
	+ return (mcr_dll){
	+ ._native_handle = NULL,
	+ .error_string = mstr_copy_cstr (dlerror ()),
	+ };
	+ } else {
	+ // Okay
	+ return (mcr_dll){
	+ ._native_handle = handle,
	+ .error_string = MSTR_NULL,
	+ };
	+ }
	+}
	+
	+void
	+mcr_dll_close_handle (mcr_dll dll)
	+{
	+ if (dll._native_handle) {
	+ dlclose (dll._native_handle);
	+ }
	+}
	+
	+void *
	+mcr_dll_sym (mcr_dll dll, const char *sym)
	+{
	+ return dlsym (dll._native_handle, sym);
	+}
	+
	+#endif
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/os_posix/os_mutex.c b/mongodb-1.13.0/src/libmongocrypt/src/os_posix/os_mutex.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/os_posix/os_mutex.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/os_posix/os_mutex.c
	diff --git a/mongodb-1.13.0/src/libmongocrypt/src/os_win/os_dll.c b/mongodb-1.13.0/src/libmongocrypt/src/os_win/os_dll.c
	new file mode 100644
	index 00000000..26920d64
	--- /dev/null
	+++ b/mongodb-1.13.0/src/libmongocrypt/src/os_win/os_dll.c
	@@ -0,0 +1,60 @@
	+#include "../mongocrypt-dll-private.h"
	+
	+#ifdef _WIN32
	+
	+#include <mlib/str.h>
	+#include <mlib/path.h>
	+#include <mlib/error.h>
	+
	+#include <string.h>
	+#include <stdio.h>
	+
	+#include <windows.h>
	+
	+mcr_dll
	+mcr_dll_open (const char *filepath_)
	+{
	+ // Convert all slashes to the native Windows separator
	+ mstr filepath =
	+ mpath_to_format (MPATH_WIN32, mstrv_view_cstr (filepath_), MPATH_WIN32);
	+ // Check if the path is just a filename.
	+ bool is_just_filename =
	+ mstr_eq (mpath_filename (filepath.view, MPATH_WIN32), filepath.view);
	+ if (!is_just_filename) {
	+ // If the path is only a filename, we'll allow LoadLibrary() to do a
	+ // proper full DLL search. If the path is NOT just a filename, resolve the
	+ // given path to a single unambiguous absolute path to suppress
	+ // LoadLibrary()'s DLL search behavior.
	+ mstr_assign (&filepath, mpath_absolute (filepath.view, MPATH_WIN32));
	+ }
	+ mstr_widen_result wide = mstr_win32_widen (filepath.view);
	+ mstr_free (filepath);
	+ if (wide.error) {
	+ return (mcr_dll){._native_handle = NULL,
	+ .error_string = merror_system_error_string (wide.error)};
	+ }
	+ HMODULE lib = LoadLibraryW (wide.wstring);
	+ if (lib == NULL) {
	+ return (mcr_dll){._native_handle = NULL,
	+ .error_string =
	+ merror_system_error_string (GetLastError ())};
	+ }
	+ free (wide.wstring);
	+ return (mcr_dll){.error_string = NULL, ._native_handle = lib};
	+}
	+
	+void
	+mcr_dll_close_handle (mcr_dll dll)
	+{
	+ if (dll._native_handle) {
	+ FreeLibrary (dll._native_handle);
	+ }
	+}
	+
	+void *
	+mcr_dll_sym (mcr_dll dll, const char *sym)
	+{
	+ return GetProcAddress (dll._native_handle, sym);
	+}
	+
	+#endif
	diff --git a/mongodb-1.12.0/src/libmongocrypt/src/os_win/os_mutex.c b/mongodb-1.13.0/src/libmongocrypt/src/os_win/os_mutex.c
	similarity index 100%
	rename from mongodb-1.12.0/src/libmongocrypt/src/os_win/os_mutex.c
	rename to mongodb-1.13.0/src/libmongocrypt/src/os_win/os_mutex.c
	diff --git a/mongodb-1.13.0/src/phongo_apm.c b/mongodb-1.13.0/src/phongo_apm.c
	new file mode 100644
	index 00000000..36f49546
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_apm.c
	@@ -0,0 +1,636 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_exceptions.h>
	+#include <Zend/zend_interfaces.h>
	+#include <Zend/zend_operators.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_apm.h"
	+#include "phongo_error.h"
	+
	+ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	+
	+/* Ensures that instances of @subscriber_ce in @from (those registered with a
	+ * Manager or globally) are added to the set @to. This is used to build the list
	+ * of subscribers notify for an event. */
	+static void phongo_apm_add_subscribers_to_notify(zend_class_entry* subscriber_ce, HashTable* from, HashTable* to)
	+{
	+ zval* subscriber;
	+
	+ ZEND_HASH_FOREACH_VAL_IND(from, subscriber)
	+ {
	+ if (Z_TYPE_P(subscriber) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(subscriber), subscriber_ce)) {
	+ continue;
	+ }
	+
	+ if (zend_hash_index_exists(to, Z_OBJ_HANDLE_P(subscriber))) {
	+ continue;
	+ }
	+
	+ zend_hash_index_update(to, Z_OBJ_HANDLE_P(subscriber), subscriber);
	+ Z_ADDREF_P(subscriber);
	+ }
	+ ZEND_HASH_FOREACH_END();
	+}
	+
	+/* Returns a newly allocated HashTable, which will contain all subscribers of a
	+ * certain type that should be notified for an event on the specified client. */
	+static HashTable* phongo_apm_get_subscribers_to_notify(zend_class_entry* subscriber_ce, mongoc_client_t* client)
	+{
	+ HashTable* subscribers = NULL;
	+
	+ ALLOC_HASHTABLE(subscribers);
	+ zend_hash_init(subscribers, 0, NULL, ZVAL_PTR_DTOR, 0);
	+
	+ if (MONGODB_G(subscribers)) {
	+ phongo_apm_add_subscribers_to_notify(subscriber_ce, MONGODB_G(subscribers), subscribers);
	+ }
	+
	+ if (MONGODB_G(managers)) {
	+ php_phongo_manager_t* manager;
	+
	+ ZEND_HASH_FOREACH_PTR(MONGODB_G(managers), manager)
	+ {
	+ if (manager->client == client && manager->subscribers) {
	+ phongo_apm_add_subscribers_to_notify(subscriber_ce, manager->subscribers, subscribers);
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+
	+ return subscribers;
	+}
	+
	+/* Search for a Manager associated with the given client in the request-scoped
	+ * registry. If any Manager is found, copy it to @out, increment its ref-count,
	+ * and return true; otherwise, set @out to undefined and return false. */
	+static bool phongo_apm_copy_manager_for_client(mongoc_client_t* client, zval* out)
	+{
	+ php_phongo_manager_t* manager;
	+
	+ ZVAL_UNDEF(out);
	+
	+ if (!MONGODB_G(managers) \|\| zend_hash_num_elements(MONGODB_G(managers)) == 0) {
	+ return false;
	+ }
	+
	+ ZEND_HASH_FOREACH_PTR(MONGODB_G(managers), manager)
	+ {
	+ if (manager->client == client) {
	+ ZVAL_OBJ(out, &manager->std);
	+ Z_ADDREF_P(out);
	+
	+ return true;
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+
	+ return false;
	+}
	+
	+/* Dispatch an event to all subscribers in a HashTable. The caller is
	+ * responsible for ensuring that subscribers implement the correct interface. */
	+static void phongo_apm_dispatch_event(HashTable* subscribers, const char* function_name, zval* event)
	+{
	+ zval* subscriber;
	+
	+ ZEND_HASH_FOREACH_VAL_IND(subscribers, subscriber)
	+ {
	+ if (EG(exception)) {
	+ break;
	+ }
	+
	+ /* We can't use the zend_call_method_with_1_params macro here, as it
	+ * assumes the function name is a string literal. */
	+ zend_call_method(PHONGO_COMPAT_OBJ_P(subscriber), NULL, NULL, function_name, strlen(function_name), NULL, 1, event, NULL);
	+ }
	+ ZEND_HASH_FOREACH_END();
	+}
	+
	+static void phongo_apm_command_started(const mongoc_apm_command_started_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_commandstartedevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_command_started_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_commandsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_commandstartedevent_ce);
	+ p_event = Z_COMMANDSTARTEDEVENT_OBJ_P(&z_event);
	+
	+ p_event->command_name = estrdup(mongoc_apm_command_started_get_command_name(event));
	+ p_event->server_id = mongoc_apm_command_started_get_server_id(event);
	+ p_event->operation_id = mongoc_apm_command_started_get_operation_id(event);
	+ p_event->request_id = mongoc_apm_command_started_get_request_id(event);
	+ p_event->command = bson_copy(mongoc_apm_command_started_get_command(event));
	+ p_event->database_name = estrdup(mongoc_apm_command_started_get_database_name(event));
	+ p_event->has_service_id = mongoc_apm_command_started_get_service_id(event) != NULL;
	+
	+ if (p_event->has_service_id) {
	+ bson_oid_copy(mongoc_apm_command_started_get_service_id(event), &p_event->service_id);
	+ }
	+
	+ if (!phongo_apm_copy_manager_for_client(client, &p_event->manager)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Found no Manager for client in APM event context");
	+ zval_ptr_dtor(&z_event);
	+
	+ goto cleanup;
	+ }
	+
	+ phongo_apm_dispatch_event(subscribers, "commandStarted", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_command_succeeded(const mongoc_apm_command_succeeded_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_commandsucceededevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_command_succeeded_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_commandsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_commandsucceededevent_ce);
	+ p_event = Z_COMMANDSUCCEEDEDEVENT_OBJ_P(&z_event);
	+
	+ p_event->command_name = estrdup(mongoc_apm_command_succeeded_get_command_name(event));
	+ p_event->server_id = mongoc_apm_command_succeeded_get_server_id(event);
	+ p_event->operation_id = mongoc_apm_command_succeeded_get_operation_id(event);
	+ p_event->request_id = mongoc_apm_command_succeeded_get_request_id(event);
	+ p_event->duration_micros = mongoc_apm_command_succeeded_get_duration(event);
	+ p_event->reply = bson_copy(mongoc_apm_command_succeeded_get_reply(event));
	+ p_event->has_service_id = mongoc_apm_command_succeeded_get_service_id(event) != NULL;
	+
	+ if (p_event->has_service_id) {
	+ bson_oid_copy(mongoc_apm_command_succeeded_get_service_id(event), &p_event->service_id);
	+ }
	+
	+ if (!phongo_apm_copy_manager_for_client(client, &p_event->manager)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Found no Manager for client in APM event context");
	+ zval_ptr_dtor(&z_event);
	+
	+ goto cleanup;
	+ }
	+
	+ phongo_apm_dispatch_event(subscribers, "commandSucceeded", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_command_failed(const mongoc_apm_command_failed_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_commandfailedevent_t* p_event;
	+ zval z_event;
	+ bson_error_t tmp_error = { 0 };
	+
	+ client = mongoc_apm_command_failed_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_commandsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_commandfailedevent_ce);
	+ p_event = Z_COMMANDFAILEDEVENT_OBJ_P(&z_event);
	+
	+ p_event->command_name = estrdup(mongoc_apm_command_failed_get_command_name(event));
	+ p_event->server_id = mongoc_apm_command_failed_get_server_id(event);
	+ p_event->operation_id = mongoc_apm_command_failed_get_operation_id(event);
	+ p_event->request_id = mongoc_apm_command_failed_get_request_id(event);
	+ p_event->duration_micros = mongoc_apm_command_failed_get_duration(event);
	+ p_event->reply = bson_copy(mongoc_apm_command_failed_get_reply(event));
	+ p_event->has_service_id = mongoc_apm_command_failed_get_service_id(event) != NULL;
	+
	+ if (p_event->has_service_id) {
	+ bson_oid_copy(mongoc_apm_command_failed_get_service_id(event), &p_event->service_id);
	+ }
	+
	+ if (!phongo_apm_copy_manager_for_client(client, &p_event->manager)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Found no Manager for client in APM event context");
	+ zval_ptr_dtor(&z_event);
	+
	+ goto cleanup;
	+ }
	+
	+ /* We need to process and convert the error right here, otherwise
	+ * debug_info will turn into a recursive loop, and with the wrong trace
	+ * locations */
	+ mongoc_apm_command_failed_get_error(event, &tmp_error);
	+
	+ object_init_ex(&p_event->z_error, phongo_exception_from_mongoc_domain(tmp_error.domain, tmp_error.code));
	+ zend_update_property_string(zend_ce_exception, PHONGO_COMPAT_OBJ_P(&p_event->z_error), ZEND_STRL("message"), tmp_error.message);
	+ zend_update_property_long(zend_ce_exception, PHONGO_COMPAT_OBJ_P(&p_event->z_error), ZEND_STRL("code"), tmp_error.code);
	+
	+ phongo_apm_dispatch_event(subscribers, "commandFailed", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_server_changed(const mongoc_apm_server_changed_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_serverchangedevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_server_changed_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_serverchangedevent_ce);
	+ p_event = Z_SERVERCHANGEDEVENT_OBJ_P(&z_event);
	+
	+ memcpy(&p_event->host, mongoc_apm_server_changed_get_host(event), sizeof(mongoc_host_list_t));
	+ mongoc_apm_server_changed_get_topology_id(event, &p_event->topology_id);
	+ p_event->new_server_description = mongoc_server_description_new_copy(mongoc_apm_server_changed_get_new_description(event));
	+ p_event->old_server_description = mongoc_server_description_new_copy(mongoc_apm_server_changed_get_previous_description(event));
	+
	+ phongo_apm_dispatch_event(subscribers, "serverChanged", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_server_closed(const mongoc_apm_server_closed_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_serverclosedevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_server_closed_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_serverclosedevent_ce);
	+ p_event = Z_SERVERCLOSEDEVENT_OBJ_P(&z_event);
	+
	+ memcpy(&p_event->host, mongoc_apm_server_closed_get_host(event), sizeof(mongoc_host_list_t));
	+ mongoc_apm_server_closed_get_topology_id(event, &p_event->topology_id);
	+
	+ phongo_apm_dispatch_event(subscribers, "serverClosed", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_server_heartbeat_failed(const mongoc_apm_server_heartbeat_failed_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_serverheartbeatfailedevent_t* p_event;
	+ zval z_event;
	+ bson_error_t tmp_error = { 0 };
	+
	+ client = mongoc_apm_server_heartbeat_failed_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_serverheartbeatfailedevent_ce);
	+ p_event = Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(&z_event);
	+
	+ memcpy(&p_event->host, mongoc_apm_server_heartbeat_failed_get_host(event), sizeof(mongoc_host_list_t));
	+ p_event->awaited = mongoc_apm_server_heartbeat_failed_get_awaited(event);
	+ p_event->duration_micros = mongoc_apm_server_heartbeat_failed_get_duration(event);
	+
	+ /* We need to process and convert the error right here, otherwise
	+ * debug_info will turn into a recursive loop, and with the wrong trace
	+ * locations */
	+ mongoc_apm_server_heartbeat_failed_get_error(event, &tmp_error);
	+
	+ object_init_ex(&p_event->z_error, phongo_exception_from_mongoc_domain(tmp_error.domain, tmp_error.code));
	+ zend_update_property_string(zend_ce_exception, PHONGO_COMPAT_OBJ_P(&p_event->z_error), ZEND_STRL("message"), tmp_error.message);
	+ zend_update_property_long(zend_ce_exception, PHONGO_COMPAT_OBJ_P(&p_event->z_error), ZEND_STRL("code"), tmp_error.code);
	+
	+ phongo_apm_dispatch_event(subscribers, "serverHeartbeatFailed", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_server_heartbeat_succeeded(const mongoc_apm_server_heartbeat_succeeded_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_serverheartbeatsucceededevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_server_heartbeat_succeeded_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_serverheartbeatsucceededevent_ce);
	+ p_event = Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(&z_event);
	+
	+ memcpy(&p_event->host, mongoc_apm_server_heartbeat_succeeded_get_host(event), sizeof(mongoc_host_list_t));
	+ p_event->awaited = mongoc_apm_server_heartbeat_succeeded_get_awaited(event);
	+ p_event->duration_micros = mongoc_apm_server_heartbeat_succeeded_get_duration(event);
	+ p_event->reply = bson_copy(mongoc_apm_server_heartbeat_succeeded_get_reply(event));
	+
	+ phongo_apm_dispatch_event(subscribers, "serverHeartbeatSucceeded", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_server_heartbeat_started(const mongoc_apm_server_heartbeat_started_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_serverheartbeatstartedevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_server_heartbeat_started_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_serverheartbeatstartedevent_ce);
	+ p_event = Z_SERVERHEARTBEATSTARTEDEVENT_OBJ_P(&z_event);
	+
	+ memcpy(&p_event->host, mongoc_apm_server_heartbeat_started_get_host(event), sizeof(mongoc_host_list_t));
	+ p_event->awaited = mongoc_apm_server_heartbeat_started_get_awaited(event);
	+
	+ phongo_apm_dispatch_event(subscribers, "serverHeartbeatStarted", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_server_opening(const mongoc_apm_server_opening_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_serveropeningevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_server_opening_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_serveropeningevent_ce);
	+ p_event = Z_SERVEROPENINGEVENT_OBJ_P(&z_event);
	+
	+ memcpy(&p_event->host, mongoc_apm_server_opening_get_host(event), sizeof(mongoc_host_list_t));
	+ mongoc_apm_server_opening_get_topology_id(event, &p_event->topology_id);
	+
	+ phongo_apm_dispatch_event(subscribers, "serverOpening", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_topology_changed(const mongoc_apm_topology_changed_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_topologychangedevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_topology_changed_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_topologychangedevent_ce);
	+ p_event = Z_TOPOLOGYCHANGEDEVENT_OBJ_P(&z_event);
	+
	+ mongoc_apm_topology_changed_get_topology_id(event, &p_event->topology_id);
	+ p_event->new_topology_description = mongoc_topology_description_new_copy(mongoc_apm_topology_changed_get_new_description(event));
	+ p_event->old_topology_description = mongoc_topology_description_new_copy(mongoc_apm_topology_changed_get_previous_description(event));
	+
	+ phongo_apm_dispatch_event(subscribers, "topologyChanged", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_topology_closed(const mongoc_apm_topology_closed_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_topologyclosedevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_topology_closed_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_topologyclosedevent_ce);
	+ p_event = Z_TOPOLOGYCLOSEDEVENT_OBJ_P(&z_event);
	+
	+ mongoc_apm_topology_closed_get_topology_id(event, &p_event->topology_id);
	+
	+ phongo_apm_dispatch_event(subscribers, "topologyClosed", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+static void phongo_apm_topology_opening(const mongoc_apm_topology_opening_t* event)
	+{
	+ mongoc_client_t* client;
	+ HashTable* subscribers;
	+ php_phongo_topologyopeningevent_t* p_event;
	+ zval z_event;
	+
	+ client = mongoc_apm_topology_opening_get_context(event);
	+ subscribers = phongo_apm_get_subscribers_to_notify(php_phongo_sdamsubscriber_ce, client);
	+
	+ /* Return early if there are no APM subscribers to notify */
	+ if (zend_hash_num_elements(subscribers) == 0) {
	+ goto cleanup;
	+ }
	+
	+ object_init_ex(&z_event, php_phongo_topologyopeningevent_ce);
	+ p_event = Z_TOPOLOGYOPENINGEVENT_OBJ_P(&z_event);
	+
	+ mongoc_apm_topology_opening_get_topology_id(event, &p_event->topology_id);
	+
	+ phongo_apm_dispatch_event(subscribers, "topologyOpening", &z_event);
	+ zval_ptr_dtor(&z_event);
	+
	+cleanup:
	+ zend_hash_destroy(subscribers);
	+ FREE_HASHTABLE(subscribers);
	+}
	+
	+/* Assigns APM callbacks to a client, which will notify any global or per-client
	+ * subscribers. This should be called for all clients created by the driver.
	+ * Returns true on success; otherwise, throws an exception and returns false. */
	+bool phongo_apm_set_callbacks(mongoc_client_t* client)
	+{
	+ bool retval;
	+
	+ mongoc_apm_callbacks_t* callbacks = mongoc_apm_callbacks_new();
	+
	+ mongoc_apm_set_command_started_cb(callbacks, phongo_apm_command_started);
	+ mongoc_apm_set_command_succeeded_cb(callbacks, phongo_apm_command_succeeded);
	+ mongoc_apm_set_command_failed_cb(callbacks, phongo_apm_command_failed);
	+ mongoc_apm_set_server_changed_cb(callbacks, phongo_apm_server_changed);
	+ mongoc_apm_set_server_closed_cb(callbacks, phongo_apm_server_closed);
	+ mongoc_apm_set_server_heartbeat_failed_cb(callbacks, phongo_apm_server_heartbeat_failed);
	+ mongoc_apm_set_server_heartbeat_succeeded_cb(callbacks, phongo_apm_server_heartbeat_succeeded);
	+ mongoc_apm_set_server_heartbeat_started_cb(callbacks, phongo_apm_server_heartbeat_started);
	+ mongoc_apm_set_server_opening_cb(callbacks, phongo_apm_server_opening);
	+ mongoc_apm_set_topology_changed_cb(callbacks, phongo_apm_topology_changed);
	+ mongoc_apm_set_topology_closed_cb(callbacks, phongo_apm_topology_closed);
	+ mongoc_apm_set_topology_opening_cb(callbacks, phongo_apm_topology_opening);
	+
	+ retval = mongoc_client_set_apm_callbacks(client, callbacks, client);
	+
	+ if (!retval) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Failed to set APM callbacks");
	+ }
	+
	+ mongoc_apm_callbacks_destroy(callbacks);
	+
	+ return retval;
	+}
	+
	+/* Checks args for adding/removing a subscriber. Returns true on success;
	+ * otherwise, throws an exception and returns false. */
	+static bool phongo_apm_check_args_for_add_and_remove(HashTable* subscribers, zval* subscriber)
	+{
	+ if (!subscribers) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Subscriber HashTable is not initialized");
	+ return false;
	+ }
	+
	+ if (!subscriber \|\| Z_TYPE_P(subscriber) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(subscriber), php_phongo_subscriber_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Subscriber is not an instance of %s", ZSTR_VAL(php_phongo_subscriber_ce->name));
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+/* Adds a subscriber to the HashTable (global or Manager). Returns true on
	+ * success (including NOP if already registered); otherwise, throws an exception
	+ * and returns false. */
	+bool phongo_apm_add_subscriber(HashTable* subscribers, zval* subscriber)
	+{
	+ if (!phongo_apm_check_args_for_add_and_remove(subscribers, subscriber)) {
	+ /* Exception should already have been thrown */
	+ return false;
	+ }
	+
	+ /* NOP if the subscriber was already registered */
	+ if (zend_hash_index_exists(subscribers, Z_OBJ_HANDLE_P(subscriber))) {
	+ return true;
	+ }
	+
	+ zend_hash_index_update(subscribers, Z_OBJ_HANDLE_P(subscriber), subscriber);
	+ Z_ADDREF_P(subscriber);
	+
	+ return true;
	+}
	+
	+/* Removes a subscriber from the HashTable (global or Manager). Returns true on
	+ * success (including NOP if never registered); otherwise, throws an exception
	+ * and returns false. */
	+bool phongo_apm_remove_subscriber(HashTable* subscribers, zval* subscriber)
	+{
	+ if (!phongo_apm_check_args_for_add_and_remove(subscribers, subscriber)) {
	+ /* Exception should already have been thrown */
	+ return false;
	+ }
	+
	+ /* Note: HashTables should specify ZVAL_PTR_DTOR as their element destructor
	+ * so there is no need to decrement the subscriber's reference count here.
	+ * We also don't care about whether zend_hash_index_del returns SUCCESS or
	+ * FAILURE, as removing an unregistered subscriber is a NOP. */
	+ zend_hash_index_del(subscribers, Z_OBJ_HANDLE_P(subscriber));
	+
	+ return true;
	+}
	diff --git a/mongodb-1.13.0/src/phongo_apm.h b/mongodb-1.13.0/src/phongo_apm.h
	new file mode 100644
	index 00000000..5b5f92d6
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_apm.h
	@@ -0,0 +1,28 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_APM_H
	+#define PHONGO_APM_H
	+
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+bool phongo_apm_set_callbacks(mongoc_client_t* client);
	+bool phongo_apm_add_subscriber(HashTable* subscribers, zval* subscriber);
	+bool phongo_apm_remove_subscriber(HashTable* subscribers, zval* subscriber);
	+
	+#endif /* PHONGO_APM_H */
	diff --git a/mongodb-1.13.0/src/phongo_bson.c b/mongodb-1.13.0/src/phongo_bson.c
	new file mode 100644
	index 00000000..aa704a47
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_bson.c
	@@ -0,0 +1,1321 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_bson.h"
	+#include "phongo_error.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "PHONGO-BSON"
	+
	+#define PHONGO_IS_CLASS_INSTANTIATABLE(ce) \
	+ (!(ce->ce_flags & (ZEND_ACC_INTERFACE \| ZEND_ACC_IMPLICIT_ABSTRACT_CLASS \| ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)))
	+
	+#define PHONGO_BSON_STATE_ZCHILD(state) (&((php_phongo_bson_state*) (state))->zchild)
	+
	+#define PHONGO_FIELD_PATH_EXPANSION 8
	+
	+/* Forward declarations */
	+static bool php_phongo_bson_visit_document(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_document, void* data);
	+static bool php_phongo_bson_visit_array(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_document, void* data);
	+
	+/* Path builder */
	+char* php_phongo_field_path_as_string(php_phongo_field_path* field_path)
	+{
	+ size_t length = 1; /* NULL character */
	+ size_t i;
	+ char* path;
	+ char* ptr;
	+
	+ if (!field_path) {
	+ return estrdup("");
	+ }
	+ if (!field_path->elements) {
	+ return estrdup("");
	+ }
	+
	+ for (i = 0; i <= field_path->size; i++) {
	+ if (!field_path->elements[i]) {
	+ continue;
	+ }
	+ length += (1 + strlen(field_path->elements[i]));
	+ }
	+
	+ path = emalloc(length);
	+ ptr = path;
	+
	+ for (i = 0; i <= field_path->size; i++) {
	+ if (!field_path->elements[i]) {
	+ continue;
	+ }
	+ strcpy(ptr, field_path->elements[i]);
	+ ptr += strlen(field_path->elements[i]);
	+ ptr[0] = '.';
	+ ptr++;
	+ }
	+ ptr[-1] = '\0';
	+
	+ return path;
	+}
	+
	+php_phongo_field_path* php_phongo_field_path_alloc(bool owns_elements)
	+{
	+ php_phongo_field_path* tmp = ecalloc(1, sizeof(php_phongo_field_path));
	+ tmp->ref_count = 1;
	+ tmp->owns_elements = owns_elements;
	+
	+ return tmp;
	+}
	+
	+void php_phongo_field_path_free(php_phongo_field_path* field_path)
	+{
	+ if (field_path->owns_elements) {
	+ size_t i;
	+
	+ for (i = 0; i < field_path->size; i++) {
	+ efree(field_path->elements[i]);
	+ }
	+ }
	+ if (field_path->elements) {
	+ efree(field_path->elements);
	+ }
	+ if (field_path->element_types) {
	+ efree(field_path->element_types);
	+ }
	+ efree(field_path);
	+}
	+
	+static void php_phongo_field_path_ensure_allocation(php_phongo_field_path* field_path, size_t level)
	+{
	+ if (level >= field_path->allocated_size) {
	+ size_t i;
	+
	+ field_path->allocated_size = field_path->size + PHONGO_FIELD_PATH_EXPANSION;
	+ field_path->elements = erealloc(field_path->elements, sizeof(char) field_path->allocated_size);
	+ field_path->element_types = erealloc(field_path->element_types, sizeof(php_phongo_bson_field_path_item_types) * field_path->allocated_size);
	+
	+ for (i = level; i < field_path->allocated_size; i++) {
	+ field_path->elements[i] = NULL;
	+ field_path->element_types[i] = PHONGO_FIELD_PATH_ITEM_NONE;
	+ }
	+ }
	+}
	+
	+void php_phongo_field_path_write_item_at_current_level(php_phongo_field_path* field_path, const char* element)
	+{
	+ php_phongo_field_path_ensure_allocation(field_path, field_path->size);
	+
	+ if (field_path->owns_elements) {
	+ field_path->elements[field_path->size] = estrdup(element);
	+ } else {
	+ field_path->elements[field_path->size] = (char*) element;
	+ }
	+}
	+
	+void php_phongo_field_path_write_type_at_current_level(php_phongo_field_path* field_path, php_phongo_bson_field_path_item_types element_type)
	+{
	+ php_phongo_field_path_ensure_allocation(field_path, field_path->size);
	+
	+ field_path->element_types[field_path->size] = element_type;
	+}
	+
	+bool php_phongo_field_path_push(php_phongo_field_path* field_path, const char* element, php_phongo_bson_field_path_item_types element_type)
	+{
	+ php_phongo_field_path_write_item_at_current_level(field_path, element);
	+ php_phongo_field_path_write_type_at_current_level(field_path, element_type);
	+
	+ field_path->size++;
	+
	+ return true;
	+}
	+
	+bool php_phongo_field_path_pop(php_phongo_field_path* field_path)
	+{
	+ php_phongo_field_path_ensure_allocation(field_path, field_path->size);
	+
	+ field_path->elements[field_path->size] = NULL;
	+ field_path->element_types[field_path->size] = PHONGO_FIELD_PATH_ITEM_NONE;
	+
	+ field_path->size--;
	+
	+ field_path->elements[field_path->size] = NULL;
	+ field_path->element_types[field_path->size] = PHONGO_FIELD_PATH_ITEM_NONE;
	+
	+ return true;
	+}
	+
	+inline static bool php_phongo_bson_state_is_initialized(php_phongo_bson_state* state)
	+{
	+ return state->field_path != NULL;
	+}
	+
	+static void php_phongo_bson_state_ctor(php_phongo_bson_state* state)
	+{
	+ state->field_path = php_phongo_field_path_alloc(false);
	+}
	+
	+static void php_phongo_bson_state_copy_ctor(php_phongo_bson_state* dst, php_phongo_bson_state* src)
	+{
	+ dst->map = src->map;
	+ if (src->field_path) {
	+ src->field_path->ref_count++;
	+ }
	+ dst->field_path = src->field_path;
	+}
	+
	+static void php_phongo_bson_state_dtor(php_phongo_bson_state* state)
	+{
	+ if (state->field_path) {
	+ state->field_path->ref_count--;
	+
	+ if (state->field_path->ref_count < 1) {
	+ php_phongo_field_path_free(state->field_path);
	+ }
	+ state->field_path = NULL;
	+ }
	+} /* }}} */
	+
	+static void php_phongo_bson_visit_corrupt(const bson_iter_t* iter ARG_UNUSED, void* data ARG_UNUSED) /* {{{ */
	+{
	+ mongoc_log(MONGOC_LOG_LEVEL_WARNING, MONGOC_LOG_DOMAIN, "Corrupt BSON data detected!");
	+} /* }}} */
	+
	+static void php_phongo_bson_visit_unsupported_type(const bson_iter_t* iter ARG_UNUSED, const char* key, uint32_t v_type_code, void* data ARG_UNUSED) /* {{{ */
	+{
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ char* path_string;
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+ path_string = php_phongo_field_path_as_string(state->field_path);
	+
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected unknown BSON type 0x%02hhx for field path \"%s\". Are you using the latest driver?", (unsigned char) v_type_code, path_string);
	+
	+ efree(path_string);
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_double(const bson_iter_t* iter ARG_UNUSED, const char* key, double v_double, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_double(retval, v_double);
	+ } else {
	+ add_assoc_double(retval, key, v_double);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_utf8(const bson_iter_t* iter ARG_UNUSED, const char* key, size_t v_utf8_len, const char* v_utf8, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ if (state->is_visiting_array) {
	+ ADD_NEXT_INDEX_STRINGL(retval, v_utf8, v_utf8_len);
	+ } else {
	+ ADD_ASSOC_STRING_EX(retval, key, strlen(key), v_utf8, v_utf8_len);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_bson_new_binary_from_binary_and_type(zval* object, const char* data, size_t data_len, bson_subtype_t type) /* {{{ */
	+{
	+ php_phongo_binary_t* intern;
	+
	+ object_init_ex(object, php_phongo_binary_ce);
	+
	+ intern = Z_BINARY_OBJ_P(object);
	+ intern->data = estrndup(data, data_len);
	+ intern->data_len = data_len;
	+ intern->type = (uint8_t) type;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_binary(const bson_iter_t* iter ARG_UNUSED, const char* key, bson_subtype_t v_subtype, size_t v_binary_len, const uint8_t* v_binary, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ if (v_subtype == 0x80 && strcmp(key, PHONGO_ODM_FIELD_NAME) == 0) {
	+ zend_string* zs_classname = zend_string_init((const char*) v_binary, v_binary_len, 0);
	+ zend_class_entry* found_ce = zend_fetch_class(zs_classname, ZEND_FETCH_CLASS_AUTO \| ZEND_FETCH_CLASS_SILENT);
	+ zend_string_release(zs_classname);
	+
	+ if (found_ce && PHONGO_IS_CLASS_INSTANTIATABLE(found_ce) && instanceof_function(found_ce, php_phongo_persistable_ce)) {
	+ ((php_phongo_bson_state*) data)->odm = found_ce;
	+ }
	+ }
	+
	+ {
	+ zval zchild;
	+
	+ php_phongo_bson_new_binary_from_binary_and_type(&zchild, (const char*) v_binary, v_binary_len, v_subtype);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_undefined(const bson_iter_t* iter, const char* key, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ object_init_ex(&zchild, php_phongo_undefined_ce);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_objectid_new_from_oid(zval* object, const bson_oid_t* oid) /* {{{ */
	+{
	+ php_phongo_objectid_t* intern;
	+
	+ object_init_ex(object, php_phongo_objectid_ce);
	+
	+ intern = Z_OBJECTID_OBJ_P(object);
	+ bson_oid_to_string(oid, intern->oid);
	+ intern->initialized = true;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_oid(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_oid_t* v_oid, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_objectid_new_from_oid(&zchild, v_oid);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_bool(const bson_iter_t* iter ARG_UNUSED, const char* key, bool v_bool, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_bool(retval, v_bool);
	+ } else {
	+ add_assoc_bool(retval, key, v_bool);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_bson_new_utcdatetime_from_epoch(zval* object, int64_t msec_since_epoch) /* {{{ */
	+{
	+ php_phongo_utcdatetime_t* intern;
	+
	+ object_init_ex(object, php_phongo_utcdatetime_ce);
	+
	+ intern = Z_UTCDATETIME_OBJ_P(object);
	+ intern->milliseconds = msec_since_epoch;
	+ intern->initialized = true;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_date_time(const bson_iter_t* iter ARG_UNUSED, const char* key, int64_t msec_since_epoch, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_bson_new_utcdatetime_from_epoch(&zchild, msec_since_epoch);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_bson_new_decimal128(zval* object, const bson_decimal128_t* decimal) /* {{{ */
	+{
	+ php_phongo_decimal128_t* intern;
	+
	+ object_init_ex(object, php_phongo_decimal128_ce);
	+
	+ intern = Z_DECIMAL128_OBJ_P(object);
	+ memcpy(&intern->decimal, decimal, sizeof(bson_decimal128_t));
	+ intern->initialized = true;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_decimal128(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_decimal128_t* decimal, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_bson_new_decimal128(&zchild, decimal);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_null(const bson_iter_t* iter ARG_UNUSED, const char* key, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_null(retval);
	+ } else {
	+ add_assoc_null(retval, key);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_bson_new_regex_from_regex_and_options(zval* object, const char* pattern, const char* flags) /* {{{ */
	+{
	+ php_phongo_regex_t* intern;
	+
	+ object_init_ex(object, php_phongo_regex_ce);
	+
	+ intern = Z_REGEX_OBJ_P(object);
	+ intern->pattern_len = strlen(pattern);
	+ intern->pattern = estrndup(pattern, intern->pattern_len);
	+ intern->flags_len = strlen(flags);
	+ intern->flags = estrndup(flags, intern->flags_len);
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_regex(const bson_iter_t* iter ARG_UNUSED, const char* key, const char* v_regex, const char* v_options, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_bson_new_regex_from_regex_and_options(&zchild, v_regex, v_options);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_bson_new_symbol(zval* object, const char* symbol, size_t symbol_len) /* {{{ */
	+{
	+ php_phongo_symbol_t* intern;
	+
	+ object_init_ex(object, php_phongo_symbol_ce);
	+
	+ intern = Z_SYMBOL_OBJ_P(object);
	+ intern->symbol = estrndup(symbol, symbol_len);
	+ intern->symbol_len = symbol_len;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_symbol(const bson_iter_t* iter, const char* key, size_t v_symbol_len, const char* v_symbol, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_bson_new_symbol(&zchild, v_symbol, v_symbol_len);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_new_javascript_from_javascript_and_scope(zval* object, const char* code, size_t code_len, const bson_t* scope) /* {{{ */
	+{
	+ php_phongo_javascript_t* intern;
	+
	+ if (scope) {
	+ php_phongo_bson_state state;
	+ bool valid_scope;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ valid_scope = php_phongo_bson_to_zval_ex(bson_get_data(scope), scope->len, &state);
	+ zval_ptr_dtor(&state.zchild);
	+
	+ if (!valid_scope) {
	+ return false;
	+ }
	+ }
	+
	+ object_init_ex(object, php_phongo_javascript_ce);
	+
	+ intern = Z_JAVASCRIPT_OBJ_P(object);
	+ intern->code = estrndup(code, code_len);
	+ intern->code_len = code_len;
	+ intern->scope = scope ? bson_copy(scope) : NULL;
	+
	+ return true;
	+} /* }}} */
	+
	+static bool php_phongo_bson_new_javascript_from_javascript(zval* object, const char* code, size_t code_len) /* {{{ */
	+{
	+ return php_phongo_bson_new_javascript_from_javascript_and_scope(object, code, code_len, NULL);
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_code(const bson_iter_t* iter ARG_UNUSED, const char* key, size_t v_code_len, const char* v_code, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ if (!php_phongo_bson_new_javascript_from_javascript(&zchild, v_code, v_code_len)) {
	+ return true;
	+ }
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static void php_phongo_bson_new_dbpointer(zval* object, const char* ref, size_t ref_len, const bson_oid_t* oid) /* {{{ */
	+{
	+ php_phongo_dbpointer_t* intern;
	+
	+ object_init_ex(object, php_phongo_dbpointer_ce);
	+
	+ intern = Z_DBPOINTER_OBJ_P(object);
	+ intern->ref = estrndup(ref, ref_len);
	+ intern->ref_len = ref_len;
	+ bson_oid_to_string(oid, intern->id);
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_dbpointer(const bson_iter_t* iter, const char* key, size_t namespace_len, const char* namespace, const bson_oid_t* oid, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_bson_new_dbpointer(&zchild, namespace, namespace_len, oid);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_codewscope(const bson_iter_t* iter ARG_UNUSED, const char* key, size_t v_code_len, const char* v_code, const bson_t* v_scope, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ if (!php_phongo_bson_new_javascript_from_javascript_and_scope(&zchild, v_code, v_code_len, v_scope)) {
	+ return true;
	+ }
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_int32(const bson_iter_t* iter ARG_UNUSED, const char* key, int32_t v_int32, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_long(retval, v_int32);
	+ } else {
	+ add_assoc_long(retval, key, v_int32);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_timestamp(const bson_iter_t* iter ARG_UNUSED, const char* key, uint32_t v_timestamp, uint32_t v_increment, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ php_phongo_bson_new_timestamp_from_increment_and_timestamp(&zchild, v_increment, v_timestamp);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_int64(const bson_iter_t* iter ARG_UNUSED, const char* key, int64_t v_int64, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ if (state->is_visiting_array) {
	+ ADD_NEXT_INDEX_INT64(retval, v_int64);
	+ } else {
	+ ADD_ASSOC_INT64(retval, key, v_int64);
	+ }
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_maxkey(const bson_iter_t* iter ARG_UNUSED, const char* key, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ object_init_ex(&zchild, php_phongo_maxkey_ce);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_minkey(const bson_iter_t* iter ARG_UNUSED, const char* key, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ php_phongo_bson_state* state = (php_phongo_bson_state*) data;
	+ zval zchild;
	+
	+ object_init_ex(&zchild, php_phongo_minkey_ce);
	+
	+ if (state->is_visiting_array) {
	+ add_next_index_zval(retval, &zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &zchild);
	+ }
	+
	+ php_phongo_field_path_write_item_at_current_level(state->field_path, key);
	+
	+ return false;
	+} /* }}} */
	+
	+static const bson_visitor_t php_bson_visitors = {
	+ NULL /* php_phongo_bson_visit_before*/,
	+ NULL /php_phongo_bson_visit_after/,
	+ php_phongo_bson_visit_corrupt,
	+ php_phongo_bson_visit_double,
	+ php_phongo_bson_visit_utf8,
	+ php_phongo_bson_visit_document,
	+ php_phongo_bson_visit_array,
	+ php_phongo_bson_visit_binary,
	+ php_phongo_bson_visit_undefined,
	+ php_phongo_bson_visit_oid,
	+ php_phongo_bson_visit_bool,
	+ php_phongo_bson_visit_date_time,
	+ php_phongo_bson_visit_null,
	+ php_phongo_bson_visit_regex,
	+ php_phongo_bson_visit_dbpointer,
	+ php_phongo_bson_visit_code,
	+ php_phongo_bson_visit_symbol,
	+ php_phongo_bson_visit_codewscope,
	+ php_phongo_bson_visit_int32,
	+ php_phongo_bson_visit_timestamp,
	+ php_phongo_bson_visit_int64,
	+ php_phongo_bson_visit_maxkey,
	+ php_phongo_bson_visit_minkey,
	+ php_phongo_bson_visit_unsupported_type,
	+ php_phongo_bson_visit_decimal128,
	+ { NULL }
	+};
	+
	+static inline bool map_element_matches_field_path(php_phongo_field_path_map_element* map_element, php_phongo_field_path* current)
	+{
	+ size_t i;
	+
	+ if (map_element->entry->size != current->size) {
	+ return false;
	+ }
	+ for (i = 0; i < current->size; i++) {
	+ if (strcmp(map_element->entry->elements[i], "$") == 0) {
	+ continue;
	+ }
	+ if (strcmp(map_element->entry->elements[i], current->elements[i]) != 0) {
	+ return false;
	+ }
	+ }
	+ return true;
	+}
	+
	+static php_phongo_field_path_map_element* map_find_field_path_entry(php_phongo_bson_state* state)
	+{
	+ size_t i;
	+
	+ /* Loop over all field path mappings, and for each, try to see whether it matches the current path */
	+ for (i = 0; i < state->map.field_paths.size; i++) {
	+ if (map_element_matches_field_path(state->map.field_paths.map[i], state->field_path)) {
	+ return state->map.field_paths.map[i];
	+ }
	+ }
	+ return NULL;
	+}
	+
	+static void php_phongo_handle_field_path_entry_for_compound_type(php_phongo_bson_state* state, php_phongo_bson_typemap_types* type, zend_class_entry** ce)
	+{
	+ php_phongo_field_path_map_element* entry = map_find_field_path_entry(state);
	+
	+ if (entry) {
	+ switch (entry->node_type) {
	+ case PHONGO_TYPEMAP_NATIVE_ARRAY:
	+ case PHONGO_TYPEMAP_NATIVE_OBJECT:
	+ *type = entry->node_type;
	+ break;
	+ case PHONGO_TYPEMAP_CLASS:
	+ *type = entry->node_type;
	+ *ce = entry->node_ce;
	+ break;
	+ default:
	+ /* Do nothing - pacify compiler */
	+ break;
	+ }
	+ }
	+}
	+
	+static bool php_phongo_bson_visit_document(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_document, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ bson_iter_t child;
	+ php_phongo_bson_state* parent_state = (php_phongo_bson_state*) data;
	+
	+ php_phongo_field_path_push(parent_state->field_path, key, PHONGO_FIELD_PATH_ITEM_DOCUMENT);
	+
	+ if (bson_iter_init(&child, v_document)) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+ php_phongo_bson_state_copy_ctor(&state, parent_state);
	+
	+ array_init(&state.zchild);
	+
	+ if (!bson_iter_visit_all(&child, &php_bson_visitors, &state) && !child.err_off) {
	+ /* Check for entries in the fieldPath type map key, and use them to
	+ * override the default ones for this type */
	+ php_phongo_handle_field_path_entry_for_compound_type(&state, &state.map.document_type, &state.map.document);
	+
	+ /* If php_phongo_bson_visit_binary() finds an ODM class, it should
	+ * supersede a default type map and named document class. */
	+ if (state.odm && state.map.document_type == PHONGO_TYPEMAP_NONE) {
	+ state.map.document_type = PHONGO_TYPEMAP_CLASS;
	+ }
	+
	+ switch (state.map.document_type) {
	+ case PHONGO_TYPEMAP_NATIVE_ARRAY:
	+ if (((php_phongo_bson_state*) data)->is_visiting_array) {
	+ add_next_index_zval(retval, &state.zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	+ }
	+ break;
	+
	+ case PHONGO_TYPEMAP_CLASS: {
	+ zval obj;
	+
	+ object_init_ex(&obj, state.odm ? state.odm : state.map.document);
	+ zend_call_method_with_1_params(PHONGO_COMPAT_OBJ_P(&obj), NULL, NULL, BSON_UNSERIALIZE_FUNC_NAME, NULL, &state.zchild);
	+ if (((php_phongo_bson_state*) data)->is_visiting_array) {
	+ add_next_index_zval(retval, &obj);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &obj);
	+ }
	+ zval_ptr_dtor(&state.zchild);
	+ break;
	+ }
	+
	+ case PHONGO_TYPEMAP_NATIVE_OBJECT:
	+ default:
	+ convert_to_object(&state.zchild);
	+ if (((php_phongo_bson_state*) data)->is_visiting_array) {
	+ add_next_index_zval(retval, &state.zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	+ }
	+ }
	+ } else {
	+ /* Iteration stopped prematurely due to corruption or a failed
	+ * visitor. Free state.zchild, which we just initialized, and return
	+ * true to stop iteration for our parent context. */
	+ zval_ptr_dtor(&state.zchild);
	+ php_phongo_bson_state_dtor(&state);
	+ return true;
	+ }
	+
	+ php_phongo_bson_state_dtor(&state);
	+ php_phongo_field_path_pop(parent_state->field_path);
	+ }
	+
	+ return false;
	+} /* }}} */
	+
	+static bool php_phongo_bson_visit_array(const bson_iter_t* iter ARG_UNUSED, const char* key, const bson_t* v_array, void* data) /* {{{ */
	+{
	+ zval* retval = PHONGO_BSON_STATE_ZCHILD(data);
	+ bson_iter_t child;
	+ php_phongo_bson_state* parent_state = (php_phongo_bson_state*) data;
	+
	+ php_phongo_field_path_push(parent_state->field_path, key, PHONGO_FIELD_PATH_ITEM_ARRAY);
	+
	+ if (bson_iter_init(&child, v_array)) {
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+ php_phongo_bson_state_copy_ctor(&state, parent_state);
	+
	+ /* Note that we are visiting an array, so element visitors know to use
	+ * add_next_index() (i.e. disregard BSON keys) instead of add_assoc()
	+ * when building the PHP array.
	+ */
	+ state.is_visiting_array = true;
	+
	+ array_init(&state.zchild);
	+
	+ if (!bson_iter_visit_all(&child, &php_bson_visitors, &state) && !child.err_off) {
	+ /* Check for entries in the fieldPath type map key, and use them to
	+ * override the default ones for this type */
	+ php_phongo_handle_field_path_entry_for_compound_type(&state, &state.map.array_type, &state.map.array);
	+
	+ switch (state.map.array_type) {
	+ case PHONGO_TYPEMAP_CLASS: {
	+ zval obj;
	+
	+ object_init_ex(&obj, state.map.array);
	+ zend_call_method_with_1_params(PHONGO_COMPAT_OBJ_P(&obj), NULL, NULL, BSON_UNSERIALIZE_FUNC_NAME, NULL, &state.zchild);
	+ if (((php_phongo_bson_state*) data)->is_visiting_array) {
	+ add_next_index_zval(retval, &obj);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &obj);
	+ }
	+ zval_ptr_dtor(&state.zchild);
	+ break;
	+ }
	+
	+ case PHONGO_TYPEMAP_NATIVE_OBJECT:
	+ convert_to_object(&state.zchild);
	+ if (((php_phongo_bson_state*) data)->is_visiting_array) {
	+ add_next_index_zval(retval, &state.zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	+ }
	+ break;
	+
	+ case PHONGO_TYPEMAP_NATIVE_ARRAY:
	+ default:
	+ if (((php_phongo_bson_state*) data)->is_visiting_array) {
	+ add_next_index_zval(retval, &state.zchild);
	+ } else {
	+ ADD_ASSOC_ZVAL(retval, key, &state.zchild);
	+ }
	+ break;
	+ }
	+ } else {
	+ /* Iteration stopped prematurely due to corruption or a failed
	+ * visitor. Free state.zchild, which we just initialized, and return
	+ * true to stop iteration for our parent context. */
	+ zval_ptr_dtor(&state.zchild);
	+ php_phongo_bson_state_dtor(&state);
	+ return true;
	+ }
	+
	+ php_phongo_bson_state_dtor(&state);
	+ php_phongo_field_path_pop(parent_state->field_path);
	+ }
	+
	+ return false;
	+} /* }}} */
	+
	+/* Converts a BSON document to a PHP value using the default typemap. */
	+bool php_phongo_bson_to_zval(const unsigned char* data, int data_len, zval* zv) /* {{{ */
	+{
	+ bool retval;
	+ php_phongo_bson_state state;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+
	+ retval = php_phongo_bson_to_zval_ex(data, data_len, &state);
	+ ZVAL_ZVAL(zv, &state.zchild, 1, 1);
	+
	+ return retval;
	+} /* }}} */
	+
	+/* Converts a BSON value to a ZVAL. */
	+bool php_phongo_bson_value_to_zval(const bson_value_t* value, zval* zv) /* {{{ */
	+{
	+ bson_t bson = BSON_INITIALIZER;
	+ php_phongo_bson_state state;
	+ zval* return_value;
	+ bool retval = false;
	+
	+ PHONGO_BSON_INIT_STATE(state);
	+ state.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	+
	+ bson_append_value(&bson, "data", 4, value);
	+ if (!php_phongo_bson_to_zval_ex(bson_get_data(&bson), bson.len, &state)) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+ retval = true;
	+
	+ return_value = php_array_fetchc(&state.zchild, "data");
	+
	+ if (return_value) {
	+ ZVAL_ZVAL(zv, return_value, 1, 0);
	+ }
	+
	+cleanup:
	+ zval_ptr_dtor(&state.zchild);
	+ return retval;
	+} /* }}} */
	+
	+/* Converts a BSON document to a PHP value according to the typemap specified in
	+ * the state argument.
	+ *
	+ * On success, the result will be set on the state argument and true will be
	+ * returned. On error, an exception will have been thrown and false will be
	+ * returned.
	+ *
	+ * Note: the result zval in the state argument will always be initialized for
	+ * PHP 5.x so that the caller may always zval_ptr_dtor() it. The zval is left
	+ * as-is on PHP 7; however, it should have the type undefined if the state
	+ * was initialized to zero.
	+ */
	+bool php_phongo_bson_to_zval_ex(const unsigned char* data, int data_len, php_phongo_bson_state* state) /* {{{ */
	+{
	+ bson_reader_t* reader = NULL;
	+ bson_iter_t iter;
	+ const bson_t* b;
	+ bool eof = false;
	+ bool retval = false;
	+ bool must_dtor_state = false;
	+
	+ if (!php_phongo_bson_state_is_initialized(state)) {
	+ php_phongo_bson_state_ctor(state);
	+ must_dtor_state = true;
	+ }
	+
	+ reader = bson_reader_new_from_data(data, data_len);
	+
	+ if (!(b = bson_reader_read(reader, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not read document from BSON reader");
	+
	+ goto cleanup;
	+ }
	+
	+ if (!bson_iter_init(&iter, b)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Could not initialize BSON iterator");
	+
	+ goto cleanup;
	+ }
	+
	+ /* We initialize an array because it will either be returned as-is (native
	+ * array in type map), passed to bsonUnserialize() (ODM class), or used to
	+ * initialize a stdClass object (native object in type map). */
	+ array_init(&state->zchild);
	+
	+ if (bson_iter_visit_all(&iter, &php_bson_visitors, state) \|\| iter.err_off) {
	+ /* Iteration stopped prematurely due to corruption or a failed visitor.
	+ * While we free the reader, state->zchild should be left as-is, since
	+ * the calling code may want to zval_ptr_dtor() it. If an exception has
	+ * been thrown already (due to an unsupported BSON type for example,
	+ * don't overwrite with a generic exception message. */
	+ if (!EG(exception)) {
	+ char* path = php_phongo_field_path_as_string(state->field_path);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected corrupt BSON data for field path '%s' at offset %d", path, iter.err_off);
	+ efree(path);
	+ }
	+
	+ goto cleanup;
	+ }
	+
	+ /* If php_phongo_bson_visit_binary() finds an ODM class, it should supersede
	+ * a default type map and named root class. */
	+ if (state->odm && state->map.root_type == PHONGO_TYPEMAP_NONE) {
	+ state->map.root_type = PHONGO_TYPEMAP_CLASS;
	+ }
	+
	+ switch (state->map.root_type) {
	+ case PHONGO_TYPEMAP_NATIVE_ARRAY:
	+ /* Nothing to do here */
	+ break;
	+
	+ case PHONGO_TYPEMAP_CLASS: {
	+ zval obj;
	+
	+ object_init_ex(&obj, state->odm ? state->odm : state->map.root);
	+ zend_call_method_with_1_params(PHONGO_COMPAT_OBJ_P(&obj), NULL, NULL, BSON_UNSERIALIZE_FUNC_NAME, NULL, &state->zchild);
	+ zval_ptr_dtor(&state->zchild);
	+ ZVAL_COPY_VALUE(&state->zchild, &obj);
	+
	+ break;
	+ }
	+
	+ case PHONGO_TYPEMAP_NATIVE_OBJECT:
	+ default:
	+ convert_to_object(&state->zchild);
	+ }
	+
	+ if (bson_reader_read(reader, &eof) \|\| !eof) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Reading document did not exhaust input buffer");
	+
	+ goto cleanup;
	+ }
	+
	+ retval = true;
	+
	+cleanup:
	+ if (reader) {
	+ bson_reader_destroy(reader);
	+ }
	+ if (must_dtor_state) {
	+ php_phongo_bson_state_dtor(state);
	+ }
	+
	+ return retval;
	+} /* }}} */
	+
	+/* Fetches a zend_class_entry for the given class name and checks that it is
	+ * also instantiatable and implements a specified interface. Returns the class
	+ * on success; otherwise, NULL is returned and an exception is thrown. */
	+static zend_class_entry* php_phongo_bson_state_fetch_class(const char* classname, int classname_len, zend_class_entry* interface_ce) /* {{{ */
	+{
	+ zend_string* zs_classname = zend_string_init(classname, classname_len, 0);
	+ zend_class_entry* found_ce = zend_fetch_class(zs_classname, ZEND_FETCH_CLASS_AUTO \| ZEND_FETCH_CLASS_SILENT);
	+ zend_string_release(zs_classname);
	+
	+ if (!found_ce) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Class %s does not exist", classname);
	+ } else if (!PHONGO_IS_CLASS_INSTANTIATABLE(found_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Class %s is not instantiatable", classname);
	+ } else if (!instanceof_function(found_ce, interface_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Class %s does not implement %s", classname, ZSTR_VAL(interface_ce->name));
	+ } else {
	+ return found_ce;
	+ }
	+
	+ return NULL;
	+} /* }}} */
	+
	+/* Parses a BSON type (i.e. array, document, or root). On success, the type and
	+ * type_ce output arguments will be assigned and true will be returned;
	+ * otherwise, false is returned and an exception is thrown. */
	+static bool php_phongo_bson_state_parse_type(zval* options, const char* name, php_phongo_bson_typemap_types* type, zend_class_entry** type_ce) /* {{{ */
	+{
	+ char* classname;
	+ int classname_len;
	+ zend_bool classname_free = 0;
	+ bool retval = true;
	+
	+ classname = php_array_fetch_string(options, name, &classname_len, &classname_free);
	+
	+ if (!classname_len) {
	+ goto cleanup;
	+ }
	+
	+ if (!strcasecmp(classname, "array")) {
	+ *type = PHONGO_TYPEMAP_NATIVE_ARRAY;
	+ *type_ce = NULL;
	+ } else if (!strcasecmp(classname, "stdclass") \|\| !strcasecmp(classname, "object")) {
	+ *type = PHONGO_TYPEMAP_NATIVE_OBJECT;
	+ *type_ce = NULL;
	+ } else {
	+ if ((*type_ce = php_phongo_bson_state_fetch_class(classname, classname_len, php_phongo_unserializable_ce))) {
	+ *type = PHONGO_TYPEMAP_CLASS;
	+ } else {
	+ retval = false;
	+ }
	+ }
	+
	+cleanup:
	+ if (classname_free) {
	+ efree(classname);
	+ }
	+
	+ return retval;
	+} /* }}} */
	+
	+static void field_path_map_element_set_info(php_phongo_field_path_map_element* element, php_phongo_bson_typemap_types type, zend_class_entry* ce)
	+{
	+ element->node_type = type;
	+ element->node_ce = ce;
	+}
	+
	+static void map_add_field_path_element(php_phongo_bson_typemap* map, php_phongo_field_path_map_element* element)
	+{
	+ /* Make sure we have allocated enough */
	+ if (map->field_paths.allocated_size < map->field_paths.size + 1) {
	+ map->field_paths.allocated_size += PHONGO_FIELD_PATH_EXPANSION;
	+ map->field_paths.map = erealloc(map->field_paths.map, sizeof(php_phongo_field_path_map_element) * map->field_paths.allocated_size);
	+ }
	+
	+ map->field_paths.map[map->field_paths.size] = element;
	+ map->field_paths.size++;
	+}
	+
	+static php_phongo_field_path_map_element* field_path_map_element_alloc(void)
	+{
	+ php_phongo_field_path_map_element* tmp = ecalloc(1, sizeof(php_phongo_field_path_map_element));
	+
	+ tmp->entry = php_phongo_field_path_alloc(true);
	+
	+ return tmp;
	+}
	+
	+static void field_path_map_element_dtor(php_phongo_field_path_map_element* element)
	+{
	+ php_phongo_field_path_free(element->entry);
	+ efree(element);
	+}
	+
	+static bool php_phongo_bson_state_add_field_path(php_phongo_bson_typemap* map, char* field_path_original, php_phongo_bson_typemap_types type, zend_class_entry* ce)
	+{
	+ char* ptr = NULL;
	+ char* segment_end = NULL;
	+ php_phongo_field_path_map_element* field_path_map_element;
	+
	+ if (field_path_original[0] == '.') {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "A 'fieldPaths' key may not start with a '.'");
	+ return false;
	+ }
	+
	+ if (field_path_original[strlen(field_path_original) - 1] == '.') {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "A 'fieldPaths' key may not end with a '.'");
	+ return false;
	+ }
	+
	+ field_path_map_element = field_path_map_element_alloc();
	+ ptr = field_path_original;
	+
	+ /* Loop over all the segments. A segment is delimited by a "." */
	+ while ((segment_end = strchr(ptr, '.')) != NULL) {
	+ char* tmp = NULL;
	+
	+ /* Bail out if we have an empty segment */
	+ if (ptr == segment_end) {
	+ field_path_map_element_dtor(field_path_map_element);
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "A 'fieldPaths' key may not have an empty segment");
	+ return false;
	+ }
	+
	+ tmp = calloc(1, segment_end - ptr + 1);
	+ memcpy(tmp, ptr, segment_end - ptr);
	+ php_phongo_field_path_push(field_path_map_element->entry, tmp, PHONGO_FIELD_PATH_ITEM_NONE);
	+ free(tmp);
	+
	+ ptr = segment_end + 1;
	+ }
	+
	+ /* Add the last (or single) element */
	+ php_phongo_field_path_push(field_path_map_element->entry, ptr, PHONGO_FIELD_PATH_ITEM_NONE);
	+
	+ field_path_map_element_set_info(field_path_map_element, type, ce);
	+ map_add_field_path_element(map, field_path_map_element);
	+
	+ return true;
	+}
	+
	+void php_phongo_bson_typemap_dtor(php_phongo_bson_typemap* map)
	+{
	+ size_t i;
	+
	+ if (map->field_paths.map) {
	+ for (i = 0; i < map->field_paths.size; i++) {
	+ field_path_map_element_dtor(map->field_paths.map[i]);
	+ }
	+ efree(map->field_paths.map);
	+ }
	+
	+ map->field_paths.map = NULL;
	+}
	+
	+/* Loops over each element in the fieldPaths array (if exists, and is an
	+ * array), and then checks whether each element is a valid type mapping */
	+static bool php_phongo_bson_state_parse_fieldpaths(zval* typemap, php_phongo_bson_typemap* map) /* {{{ */
	+{
	+ zval* fieldpaths = NULL;
	+ HashTable* ht_data;
	+
	+ if (!php_array_existsc(typemap, "fieldPaths")) {
	+ return true;
	+ }
	+
	+ fieldpaths = php_array_fetchc_array(typemap, "fieldPaths");
	+
	+ if (!fieldpaths) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The 'fieldPaths' element is not an array");
	+ return false;
	+ }
	+
	+ ht_data = HASH_OF(fieldpaths);
	+
	+ {
	+ zend_string* string_key = NULL;
	+ zend_ulong num_key = 0;
	+ zval* property;
	+
	+ ZEND_HASH_FOREACH_KEY_VAL(ht_data, num_key, string_key, property)
	+ {
	+ zend_class_entry* map_ce = NULL;
	+ php_phongo_bson_typemap_types map_type;
	+
	+ if (!string_key) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The 'fieldPaths' element is not an associative array");
	+ return false;
	+ }
	+
	+ if (strcmp(ZSTR_VAL(string_key), "") == 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The 'fieldPaths' element may not be an empty string");
	+ return false;
	+ }
	+
	+ if (!php_phongo_bson_state_parse_type(fieldpaths, ZSTR_VAL(string_key), &map_type, &map_ce)) {
	+ return false;
	+ }
	+
	+ if (!php_phongo_bson_state_add_field_path(map, ZSTR_VAL(string_key), map_type, map_ce)) {
	+ return false;
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Applies the array argument to a typemap struct. Returns true on success;
	+ * otherwise, false is returned an an exception is thrown. */
	+bool php_phongo_bson_typemap_to_state(zval* typemap, php_phongo_bson_typemap* map) /* {{{ */
	+{
	+ if (!typemap) {
	+ return true;
	+ }
	+
	+ if (!php_phongo_bson_state_parse_type(typemap, "array", &map->array_type, &map->array) \|\|
	+ !php_phongo_bson_state_parse_type(typemap, "document", &map->document_type, &map->document) \|\|
	+ !php_phongo_bson_state_parse_type(typemap, "root", &map->root_type, &map->root) \|\|
	+ !php_phongo_bson_state_parse_fieldpaths(typemap, map)) {
	+
	+ /* Exception should already have been thrown */
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+void php_phongo_bson_new_timestamp_from_increment_and_timestamp(zval* object, uint32_t increment, uint32_t timestamp) /* {{{ */
	+{
	+ php_phongo_timestamp_t* intern;
	+
	+ object_init_ex(object, php_phongo_timestamp_ce);
	+
	+ intern = Z_TIMESTAMP_OBJ_P(object);
	+ intern->increment = increment;
	+ intern->timestamp = timestamp;
	+ intern->initialized = true;
	+} /* }}} */
	+
	+void php_phongo_bson_new_int64(zval* object, int64_t integer) /* {{{ */
	+{
	+ php_phongo_int64_t* intern;
	+
	+ object_init_ex(object, php_phongo_int64_ce);
	+
	+ intern = Z_INT64_OBJ_P(object);
	+ intern->integer = integer;
	+ intern->initialized = true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/phongo_bson.h b/mongodb-1.13.0/src/phongo_bson.h
	new file mode 100644
	index 00000000..7732979a
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_bson.h
	@@ -0,0 +1,109 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_BSON_H
	+#define PHONGO_BSON_H
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+#define BSON_UNSERIALIZE_FUNC_NAME "bsonUnserialize"
	+#define BSON_SERIALIZE_FUNC_NAME "bsonSerialize"
	+#define PHONGO_ODM_FIELD_NAME "__pclass"
	+
	+typedef enum {
	+ PHONGO_FIELD_PATH_ITEM_NONE,
	+ PHONGO_FIELD_PATH_ITEM_ARRAY,
	+ PHONGO_FIELD_PATH_ITEM_DOCUMENT
	+} php_phongo_bson_field_path_item_types;
	+
	+typedef struct {
	+ char** elements;
	+ php_phongo_bson_field_path_item_types* element_types;
	+ size_t allocated_size;
	+ size_t size;
	+ size_t ref_count;
	+ bool owns_elements;
	+} php_phongo_field_path;
	+
	+typedef enum {
	+ PHONGO_TYPEMAP_NONE,
	+ PHONGO_TYPEMAP_NATIVE_ARRAY,
	+ PHONGO_TYPEMAP_NATIVE_OBJECT,
	+ PHONGO_TYPEMAP_CLASS
	+} php_phongo_bson_typemap_types;
	+
	+typedef struct {
	+ php_phongo_field_path* entry;
	+ php_phongo_bson_typemap_types node_type;
	+ zend_class_entry* node_ce;
	+} php_phongo_field_path_map_element;
	+
	+typedef struct {
	+ php_phongo_bson_typemap_types document_type;
	+ zend_class_entry* document;
	+ php_phongo_bson_typemap_types array_type;
	+ zend_class_entry* array;
	+ php_phongo_bson_typemap_types root_type;
	+ zend_class_entry* root;
	+ struct {
	+ php_phongo_field_path_map_element** map;
	+ size_t allocated_size;
	+ size_t size;
	+ } field_paths;
	+} php_phongo_bson_typemap;
	+
	+typedef struct {
	+ zval zchild;
	+ php_phongo_bson_typemap map;
	+ zend_class_entry* odm;
	+ bool is_visiting_array;
	+ php_phongo_field_path* field_path;
	+} php_phongo_bson_state;
	+
	+#define PHONGO_BSON_INIT_STATE(s) \
	+ do { \
	+ memset(&(s), 0, sizeof(php_phongo_bson_state)); \
	+ } while (0)
	+
	+#define PHONGO_BSON_INIT_DEBUG_STATE(s) \
	+ do { \
	+ memset(&(s), 0, sizeof(php_phongo_bson_state)); \
	+ s.map.root_type = PHONGO_TYPEMAP_NATIVE_ARRAY; \
	+ s.map.document_type = PHONGO_TYPEMAP_NATIVE_ARRAY; \
	+ } while (0)
	+
	+char* php_phongo_field_path_as_string(php_phongo_field_path* field_path);
	+php_phongo_field_path* php_phongo_field_path_alloc(bool owns_elements);
	+void php_phongo_field_path_free(php_phongo_field_path* field_path);
	+void php_phongo_field_path_write_item_at_current_level(php_phongo_field_path* field_path, const char* element);
	+void php_phongo_field_path_write_type_at_current_level(php_phongo_field_path* field_path, php_phongo_bson_field_path_item_types element_type);
	+bool php_phongo_field_path_push(php_phongo_field_path* field_path, const char* element, php_phongo_bson_field_path_item_types element_type);
	+bool php_phongo_field_path_pop(php_phongo_field_path* field_path);
	+
	+bool php_phongo_bson_to_zval(const unsigned char* data, int data_len, zval* out);
	+bool php_phongo_bson_to_zval_ex(const unsigned char* data, int data_len, php_phongo_bson_state* state);
	+
	+bool php_phongo_bson_value_to_zval(const bson_value_t* value, zval* zv);
	+
	+bool php_phongo_bson_typemap_to_state(zval* typemap, php_phongo_bson_typemap* map);
	+void php_phongo_bson_typemap_dtor(php_phongo_bson_typemap* map);
	+
	+void php_phongo_bson_new_timestamp_from_increment_and_timestamp(zval* object, uint32_t increment, uint32_t timestamp);
	+void php_phongo_bson_new_int64(zval* object, int64_t integer);
	+
	+#endif /* PHONGO_BSON_H */
	diff --git a/mongodb-1.13.0/src/phongo_bson_encode.c b/mongodb-1.13.0/src/phongo_bson_encode.c
	new file mode 100644
	index 00000000..dd4209f6
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_bson_encode.c
	@@ -0,0 +1,518 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+#include <Zend/zend_interfaces.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_bson.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_compat.h"
	+#include "phongo_error.h"
	+
	+#undef MONGOC_LOG_DOMAIN
	+#define MONGOC_LOG_DOMAIN "PHONGO-BSON"
	+
	+#if SIZEOF_ZEND_LONG == 8
	+#define BSON_APPEND_INT(b, key, keylen, val) \
	+ if (val > INT32_MAX \|\| val < INT32_MIN) { \
	+ bson_append_int64(b, key, keylen, val); \
	+ } else { \
	+ bson_append_int32(b, key, keylen, val); \
	+ }
	+#elif SIZEOF_ZEND_LONG == 4
	+#define BSON_APPEND_INT(b, key, keylen, val) \
	+ bson_append_int32(b, key, keylen, val)
	+#else
	+#error Unsupported architecture (integers are neither 32-bit nor 64-bit)
	+#endif
	+
	+/* Forwards declarations */
	+static void php_phongo_zval_to_bson_internal(zval* data, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out);
	+
	+/* Determines whether the argument should be serialized as a BSON array or
	+ * document. IS_ARRAY is returned if the argument's keys are a sequence of
	+ * integers starting at zero; otherwise, IS_OBJECT is returned. */
	+static int php_phongo_is_array_or_document(zval* val) /* {{{ */
	+{
	+ HashTable* ht_data = HASH_OF(val);
	+ int count;
	+
	+ if (Z_TYPE_P(val) != IS_ARRAY) {
	+ return IS_OBJECT;
	+ }
	+
	+ count = ht_data ? zend_hash_num_elements(ht_data) : 0;
	+ if (count > 0) {
	+ zend_string* key;
	+ zend_ulong index, idx;
	+
	+ idx = 0;
	+ ZEND_HASH_FOREACH_KEY(ht_data, index, key)
	+ {
	+ if (key) {
	+ return IS_OBJECT;
	+ } else {
	+ if (index != idx) {
	+ return IS_OBJECT;
	+ }
	+ }
	+ idx++;
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ } else {
	+ return Z_TYPE_P(val);
	+ }
	+
	+ return IS_ARRAY;
	+} /* }}} */
	+
	+/* Appends the array or object argument to the BSON document. If the object is
	+ * an instance of MongoDB\BSON\Serializable, the return value of bsonSerialize()
	+ * will be appended as an embedded document. Other MongoDB\BSON\Type instances
	+ * will be appended as the appropriate BSON type. Other array or object values
	+ * will be appended as an embedded document. */
	+static void php_phongo_bson_append_object(bson_t* bson, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, const char* key, long key_len, zval* object) /* {{{ */
	+{
	+ if (Z_TYPE_P(object) == IS_OBJECT && instanceof_function(Z_OBJCE_P(object), php_phongo_cursorid_ce)) {
	+ bson_append_int64(bson, key, key_len, Z_CURSORID_OBJ_P(object)->id);
	+ return;
	+ }
	+
	+ if (Z_TYPE_P(object) == IS_OBJECT && instanceof_function(Z_OBJCE_P(object), php_phongo_type_ce)) {
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_serializable_ce)) {
	+ zval obj_data;
	+ bson_t child;
	+
	+ zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(object), NULL, NULL, BSON_SERIALIZE_FUNC_NAME, &obj_data);
	+
	+ if (Z_ISUNDEF(obj_data)) {
	+ /* zend_call_method() failed or bsonSerialize() threw an
	+ * exception. Either way, there is nothing else to do. */
	+ return;
	+ }
	+
	+ if (Z_TYPE(obj_data) != IS_ARRAY && !(Z_TYPE(obj_data) == IS_OBJECT && instanceof_function(Z_OBJCE(obj_data), zend_standard_class_def))) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE,
	+ "Expected %s::%s() to return an array or stdClass, %s given",
	+ ZSTR_VAL(Z_OBJCE_P(object)->name),
	+ BSON_SERIALIZE_FUNC_NAME,
	+ PHONGO_ZVAL_CLASS_OR_TYPE_NAME(obj_data));
	+ zval_ptr_dtor(&obj_data);
	+
	+ return;
	+ }
	+
	+ /* Persistable objects must always be serialized as BSON documents;
	+ * otherwise, infer based on bsonSerialize()'s return value. */
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_persistable_ce) \|\| php_phongo_is_array_or_document(&obj_data) == IS_OBJECT) {
	+ bson_append_document_begin(bson, key, key_len, &child);
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_persistable_ce)) {
	+ bson_append_binary(&child, PHONGO_ODM_FIELD_NAME, -1, 0x80, (const uint8_t*) Z_OBJCE_P(object)->name->val, Z_OBJCE_P(object)->name->len);
	+ }
	+ php_phongo_zval_to_bson_internal(&obj_data, field_path, flags, &child, NULL);
	+ bson_append_document_end(bson, &child);
	+ } else {
	+ bson_append_array_begin(bson, key, key_len, &child);
	+ php_phongo_zval_to_bson_internal(&obj_data, field_path, flags, &child, NULL);
	+ bson_append_array_end(bson, &child);
	+ }
	+
	+ zval_ptr_dtor(&obj_data);
	+ return;
	+ }
	+
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_objectid_ce)) {
	+ bson_oid_t oid;
	+ php_phongo_objectid_t* intern = Z_OBJECTID_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding ObjectId");
	+ bson_oid_init_from_string(&oid, intern->oid);
	+ bson_append_oid(bson, key, key_len, &oid);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_utcdatetime_ce)) {
	+ php_phongo_utcdatetime_t* intern = Z_UTCDATETIME_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding UTCDateTime");
	+ bson_append_date_time(bson, key, key_len, intern->milliseconds);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_binary_ce)) {
	+ php_phongo_binary_t* intern = Z_BINARY_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Binary");
	+ bson_append_binary(bson, key, key_len, intern->type, (const uint8_t*) intern->data, (uint32_t) intern->data_len);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_decimal128_ce)) {
	+ php_phongo_decimal128_t* intern = Z_DECIMAL128_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Decimal128");
	+ bson_append_decimal128(bson, key, key_len, &intern->decimal);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_int64_ce)) {
	+ php_phongo_int64_t* intern = Z_INT64_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Int64");
	+ bson_append_int64(bson, key, key_len, intern->integer);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_regex_ce)) {
	+ php_phongo_regex_t* intern = Z_REGEX_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Regex");
	+ bson_append_regex(bson, key, key_len, intern->pattern, intern->flags);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_javascript_ce)) {
	+ php_phongo_javascript_t* intern = Z_JAVASCRIPT_OBJ_P(object);
	+
	+ if (intern->scope) {
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Javascript with scope");
	+ bson_append_code_with_scope(bson, key, key_len, intern->code, intern->scope);
	+ } else {
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Javascript without scope");
	+ bson_append_code(bson, key, key_len, intern->code);
	+ }
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_timestamp_ce)) {
	+ php_phongo_timestamp_t* intern = Z_TIMESTAMP_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Timestamp");
	+ bson_append_timestamp(bson, key, key_len, intern->timestamp, intern->increment);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_maxkey_ce)) {
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding MaxKey");
	+ bson_append_maxkey(bson, key, key_len);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_minkey_ce)) {
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding MinKey");
	+ bson_append_minkey(bson, key, key_len);
	+ return;
	+ }
	+
	+ /* Deprecated types */
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_dbpointer_ce)) {
	+ bson_oid_t oid;
	+ php_phongo_dbpointer_t* intern = Z_DBPOINTER_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding DBPointer");
	+ bson_oid_init_from_string(&oid, intern->id);
	+ bson_append_dbpointer(bson, key, key_len, intern->ref, &oid);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_symbol_ce)) {
	+ php_phongo_symbol_t* intern = Z_SYMBOL_OBJ_P(object);
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Symbol");
	+ bson_append_symbol(bson, key, key_len, intern->symbol, intern->symbol_len);
	+ return;
	+ }
	+ if (instanceof_function(Z_OBJCE_P(object), php_phongo_undefined_ce)) {
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding Undefined");
	+ bson_append_undefined(bson, key, key_len);
	+ return;
	+ }
	+
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Unexpected %s instance: %s", ZSTR_VAL(php_phongo_type_ce->name), ZSTR_VAL(Z_OBJCE_P(object)->name));
	+ return;
	+ } else {
	+ bson_t child;
	+
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "encoding document");
	+ bson_append_document_begin(bson, key, key_len, &child);
	+ php_phongo_zval_to_bson_internal(object, field_path, flags, &child, NULL);
	+ bson_append_document_end(bson, &child);
	+ }
	+} /* }}} */
	+
	+/* Appends the zval argument to the BSON document. If the argument is an object,
	+ * or an array that should be serialized as an embedded document, this function
	+ * will defer to php_phongo_bson_append_object(). */
	+static void php_phongo_bson_append(bson_t* bson, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, const char* key, long key_len, zval* entry) /* {{{ */
	+{
	+ php_phongo_field_path_write_item_at_current_level(field_path, key);
	+
	+try_again:
	+ switch (Z_TYPE_P(entry)) {
	+ case IS_NULL:
	+ bson_append_null(bson, key, key_len);
	+ break;
	+ case IS_TRUE:
	+ bson_append_bool(bson, key, key_len, true);
	+ break;
	+
	+ case IS_FALSE:
	+ bson_append_bool(bson, key, key_len, false);
	+ break;
	+
	+ case IS_LONG:
	+ BSON_APPEND_INT(bson, key, key_len, Z_LVAL_P(entry));
	+ break;
	+
	+ case IS_DOUBLE:
	+ bson_append_double(bson, key, key_len, Z_DVAL_P(entry));
	+ break;
	+
	+ case IS_STRING:
	+ if (bson_utf8_validate(Z_STRVAL_P(entry), Z_STRLEN_P(entry), true)) {
	+ bson_append_utf8(bson, key, key_len, Z_STRVAL_P(entry), Z_STRLEN_P(entry));
	+ } else {
	+ char* path_string = php_phongo_field_path_as_string(field_path);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected invalid UTF-8 for field path \"%s\": %s", path_string, Z_STRVAL_P(entry));
	+ efree(path_string);
	+ }
	+ break;
	+
	+ case IS_ARRAY:
	+ if (php_phongo_is_array_or_document(entry) == IS_ARRAY) {
	+ bson_t child;
	+ HashTable* tmp_ht = HASH_OF(entry);
	+
	+ if (!php_phongo_zend_hash_apply_protection_begin(tmp_ht)) {
	+ char* path_string = php_phongo_field_path_as_string(field_path);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected recursion for field path \"%s\"", path_string);
	+ efree(path_string);
	+ break;
	+ }
	+
	+ bson_append_array_begin(bson, key, key_len, &child);
	+ php_phongo_field_path_write_type_at_current_level(field_path, PHONGO_FIELD_PATH_ITEM_ARRAY);
	+ field_path->size++;
	+ php_phongo_zval_to_bson_internal(entry, field_path, flags, &child, NULL);
	+ field_path->size--;
	+ bson_append_array_end(bson, &child);
	+
	+ php_phongo_zend_hash_apply_protection_end(tmp_ht);
	+ break;
	+ }
	+ PHONGO_BREAK_INTENTIONALLY_MISSING
	+
	+ case IS_OBJECT: {
	+ HashTable* tmp_ht = HASH_OF(entry);
	+
	+ if (!php_phongo_zend_hash_apply_protection_begin(tmp_ht)) {
	+ char* path_string = php_phongo_field_path_as_string(field_path);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected recursion for field path \"%s\"", path_string);
	+ efree(path_string);
	+ break;
	+ }
	+
	+ php_phongo_field_path_write_type_at_current_level(field_path, PHONGO_FIELD_PATH_ITEM_DOCUMENT);
	+ field_path->size++;
	+ php_phongo_bson_append_object(bson, field_path, flags, key, key_len, entry);
	+ field_path->size--;
	+
	+ php_phongo_zend_hash_apply_protection_end(tmp_ht);
	+ break;
	+ }
	+
	+ case IS_REFERENCE:
	+ ZVAL_DEREF(entry);
	+ goto try_again;
	+
	+ default: {
	+ char* path_string = php_phongo_field_path_as_string(field_path);
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Detected unsupported PHP type for field path \"%s\": %d (%s)", path_string, Z_TYPE_P(entry), zend_get_type_by_const(Z_TYPE_P(entry)));
	+ efree(path_string);
	+ }
	+ }
	+} /* }}} */
	+
	+static void php_phongo_zval_to_bson_internal(zval* data, php_phongo_field_path* field_path, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out) /* {{{ */
	+{
	+ HashTable* ht_data = NULL;
	+ zval obj_data;
	+
	+ /* If we will be encoding a class that may contain protected and private
	+ * properties, we'll need to filter them out later. */
	+ bool ht_data_from_properties = false;
	+
	+ /* If the object is an instance of MongoDB\BSON\Persistable, we will need to
	+ * inject the PHP class name as a BSON key and ignore any existing key in
	+ * the return value of bsonSerialize(). */
	+ bool skip_odm_field = false;
	+
	+ ZVAL_UNDEF(&obj_data);
	+
	+ switch (Z_TYPE_P(data)) {
	+ case IS_OBJECT:
	+ if (instanceof_function(Z_OBJCE_P(data), php_phongo_serializable_ce)) {
	+ zend_call_method_with_0_params(PHONGO_COMPAT_OBJ_P(data), NULL, NULL, BSON_SERIALIZE_FUNC_NAME, &obj_data);
	+
	+ if (Z_ISUNDEF(obj_data)) {
	+ /* zend_call_method() failed or bsonSerialize() threw an
	+ * exception. Either way, there is nothing else to do. */
	+ return;
	+ }
	+
	+ if (Z_TYPE(obj_data) != IS_ARRAY && !(Z_TYPE(obj_data) == IS_OBJECT && instanceof_function(Z_OBJCE(obj_data), zend_standard_class_def))) {
	+ phongo_throw_exception(
	+ PHONGO_ERROR_UNEXPECTED_VALUE,
	+ "Expected %s::%s() to return an array or stdClass, %s given",
	+ ZSTR_VAL(Z_OBJCE_P(data)->name),
	+ BSON_SERIALIZE_FUNC_NAME,
	+ PHONGO_ZVAL_CLASS_OR_TYPE_NAME(obj_data));
	+
	+ goto cleanup;
	+ }
	+
	+ ht_data = HASH_OF(&obj_data);
	+
	+ if (instanceof_function(Z_OBJCE_P(data), php_phongo_persistable_ce)) {
	+ bson_append_binary(bson, PHONGO_ODM_FIELD_NAME, -1, 0x80, (const uint8_t*) Z_OBJCE_P(data)->name->val, Z_OBJCE_P(data)->name->len);
	+ /* Ensure that we ignore an existing key with the same name
	+ * if one exists in the bsonSerialize() return value. */
	+ skip_odm_field = true;
	+ }
	+
	+ break;
	+ }
	+
	+ if (instanceof_function(Z_OBJCE_P(data), php_phongo_type_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "%s instance %s cannot be serialized as a root element", ZSTR_VAL(php_phongo_type_ce->name), ZSTR_VAL(Z_OBJCE_P(data)->name));
	+ return;
	+ }
	+
	+ ht_data = Z_OBJ_HT_P(data)->get_properties(PHONGO_COMPAT_OBJ_P(data));
	+ ht_data_from_properties = true;
	+ break;
	+
	+ case IS_ARRAY:
	+ ht_data = HASH_OF(data);
	+ break;
	+
	+ default:
	+ return;
	+ }
	+
	+ {
	+ zend_string* string_key = NULL;
	+ zend_ulong num_key = 0;
	+ zval* value;
	+
	+ ZEND_HASH_FOREACH_KEY_VAL_IND(ht_data, num_key, string_key, value)
	+ {
	+ if (string_key) {
	+ if (ht_data_from_properties) {
	+ /* Skip protected and private properties */
	+ if (ZSTR_VAL(string_key)[0] == '\0' && ZSTR_LEN(string_key) > 0) {
	+ continue;
	+ }
	+ }
	+
	+ if (strlen(ZSTR_VAL(string_key)) != ZSTR_LEN(string_key)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "BSON keys cannot contain null bytes. Unexpected null byte after \"%s\".", ZSTR_VAL(string_key));
	+
	+ goto cleanup;
	+ }
	+
	+ if (skip_odm_field && !strcmp(ZSTR_VAL(string_key), PHONGO_ODM_FIELD_NAME)) {
	+ continue;
	+ }
	+
	+ if (flags & PHONGO_BSON_ADD_ID) {
	+ if (!strcmp(ZSTR_VAL(string_key), "_id")) {
	+ flags &= ~PHONGO_BSON_ADD_ID;
	+ }
	+ }
	+ }
	+
	+ /* Ensure we're working with a string key */
	+ if (!string_key) {
	+ string_key = zend_long_to_str(num_key);
	+ } else {
	+ zend_string_addref(string_key);
	+ }
	+
	+ php_phongo_bson_append(bson, field_path, flags & ~PHONGO_BSON_ADD_ID, ZSTR_VAL(string_key), strlen(ZSTR_VAL(string_key)), value);
	+
	+ zend_string_release(string_key);
	+ }
	+ ZEND_HASH_FOREACH_END();
	+ }
	+
	+ if (flags & PHONGO_BSON_ADD_ID) {
	+ bson_oid_t oid;
	+
	+ bson_oid_init(&oid, NULL);
	+ bson_append_oid(bson, "_id", strlen("_id"), &oid);
	+ mongoc_log(MONGOC_LOG_LEVEL_TRACE, MONGOC_LOG_DOMAIN, "Added new _id");
	+ }
	+
	+ if (flags & PHONGO_BSON_RETURN_ID && bson_out) {
	+ bson_iter_t iter;
	+
	+ *bson_out = bson_new();
	+
	+ if (bson_iter_init_find(&iter, bson, "_id") && !bson_append_iter(*bson_out, NULL, 0, &iter)) {
	+ /* This should not be able to happen since we are copying from
	+ * within a valid bson_t. */
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Error copying \"_id\" field from encoded document");
	+
	+ goto cleanup;
	+ }
	+ }
	+
	+cleanup:
	+ if (!Z_ISUNDEF(obj_data)) {
	+ zval_ptr_dtor(&obj_data);
	+ }
	+} /* }}} */
	+
	+/* Converts the array or object argument to a BSON document. If the object is an
	+ * instance of MongoDB\BSON\Serializable, the return value of bsonSerialize()
	+ * will be used. */
	+void php_phongo_zval_to_bson(zval* data, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out) /* {{{ */
	+{
	+ php_phongo_field_path* field_path = php_phongo_field_path_alloc(false);
	+
	+ php_phongo_zval_to_bson_internal(data, field_path, flags, bson, bson_out);
	+
	+ php_phongo_field_path_free(field_path);
	+} /* }}} */
	+
	+/* Converts the argument to a bson_value_t. If the object is an instance of
	+ * MongoDB\BSON\Serializable, the return value of bsonSerialize() will be
	+ * used. */
	+void php_phongo_zval_to_bson_value(zval* data, php_phongo_bson_flags_t flags, bson_value_t* value) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ bson_t bson = BSON_INITIALIZER;
	+
	+ zval* data_object = ecalloc(1, sizeof(zval));
	+
	+ array_init_size(data_object, 1);
	+ add_assoc_zval(data_object, "data", data);
	+
	+ Z_TRY_ADDREF_P(data);
	+
	+ php_phongo_zval_to_bson(data_object, flags, &bson, NULL);
	+
	+ if (bson_iter_init_find(&iter, &bson, "data")) {
	+ bson_value_copy(bson_iter_value(&iter), value);
	+ }
	+
	+ zval_ptr_dtor(data_object);
	+ efree(data_object);
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/phongo_bson_encode.h b/mongodb-1.13.0/src/phongo_bson_encode.h
	new file mode 100644
	index 00000000..d8f7934d
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_bson_encode.h
	@@ -0,0 +1,33 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_BSON_ENCODE_H
	+#define PHONGO_BSON_ENCODE_H
	+
	+#include "bson/bson.h"
	+
	+#include <php.h>
	+
	+typedef enum {
	+ PHONGO_BSON_NONE = 0x00,
	+ PHONGO_BSON_ADD_ID = 0x01,
	+ PHONGO_BSON_RETURN_ID = 0x02
	+} php_phongo_bson_flags_t;
	+
	+void php_phongo_zval_to_bson(zval* data, php_phongo_bson_flags_t flags, bson_t* bson, bson_t** bson_out);
	+void php_phongo_zval_to_bson_value(zval* data, php_phongo_bson_flags_t flags, bson_value_t* value);
	+
	+#endif /* PHONGO_BSON_ENCODE_H */
	diff --git a/mongodb-1.13.0/src/phongo_classes.h b/mongodb-1.13.0/src/phongo_classes.h
	new file mode 100644
	index 00000000..b304a669
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_classes.h
	@@ -0,0 +1,449 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_CLASSES_H
	+#define PHONGO_CLASSES_H
	+
	+#include "phongo_structs.h"
	+
	+/* Export zend_class_entry dependencies, which are initialized in MINIT */
	+extern zend_class_entry* php_phongo_date_immutable_ce;
	+extern zend_class_entry* php_phongo_json_serializable_ce;
	+
	+static inline php_phongo_bulkwrite_t* php_bulkwrite_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_bulkwrite_t) ((char) obj - XtOffsetOf(php_phongo_bulkwrite_t, std));
	+}
	+static inline php_phongo_clientencryption_t* php_clientencryption_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_clientencryption_t) ((char) obj - XtOffsetOf(php_phongo_clientencryption_t, std));
	+}
	+static inline php_phongo_command_t* php_command_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_command_t) ((char) obj - XtOffsetOf(php_phongo_command_t, std));
	+}
	+static inline php_phongo_cursor_t* php_cursor_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_cursor_t) ((char) obj - XtOffsetOf(php_phongo_cursor_t, std));
	+}
	+static inline php_phongo_cursorid_t* php_cursorid_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_cursorid_t) ((char) obj - XtOffsetOf(php_phongo_cursorid_t, std));
	+}
	+static inline php_phongo_manager_t* php_manager_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_manager_t) ((char) obj - XtOffsetOf(php_phongo_manager_t, std));
	+}
	+static inline php_phongo_query_t* php_query_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_query_t) ((char) obj - XtOffsetOf(php_phongo_query_t, std));
	+}
	+static inline php_phongo_readconcern_t* php_readconcern_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_readconcern_t) ((char) obj - XtOffsetOf(php_phongo_readconcern_t, std));
	+}
	+static inline php_phongo_readpreference_t* php_readpreference_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_readpreference_t) ((char) obj - XtOffsetOf(php_phongo_readpreference_t, std));
	+}
	+static inline php_phongo_server_t* php_server_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_server_t) ((char) obj - XtOffsetOf(php_phongo_server_t, std));
	+}
	+static inline php_phongo_serverdescription_t* php_serverdescription_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverdescription_t) ((char) obj - XtOffsetOf(php_phongo_serverdescription_t, std));
	+}
	+static inline php_phongo_topologydescription_t* php_topologydescription_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_topologydescription_t) ((char) obj - XtOffsetOf(php_phongo_topologydescription_t, std));
	+}
	+static inline php_phongo_serverapi_t* php_serverapi_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverapi_t) ((char) obj - XtOffsetOf(php_phongo_serverapi_t, std));
	+}
	+static inline php_phongo_session_t* php_session_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_session_t) ((char) obj - XtOffsetOf(php_phongo_session_t, std));
	+}
	+static inline php_phongo_writeconcern_t* php_writeconcern_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_writeconcern_t) ((char) obj - XtOffsetOf(php_phongo_writeconcern_t, std));
	+}
	+static inline php_phongo_writeconcernerror_t* php_writeconcernerror_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_writeconcernerror_t) ((char) obj - XtOffsetOf(php_phongo_writeconcernerror_t, std));
	+}
	+static inline php_phongo_writeerror_t* php_writeerror_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_writeerror_t) ((char) obj - XtOffsetOf(php_phongo_writeerror_t, std));
	+}
	+static inline php_phongo_writeresult_t* php_writeresult_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_writeresult_t) ((char) obj - XtOffsetOf(php_phongo_writeresult_t, std));
	+}
	+static inline php_phongo_binary_t* php_binary_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_binary_t) ((char) obj - XtOffsetOf(php_phongo_binary_t, std));
	+}
	+static inline php_phongo_dbpointer_t* php_dbpointer_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_dbpointer_t) ((char) obj - XtOffsetOf(php_phongo_dbpointer_t, std));
	+}
	+static inline php_phongo_decimal128_t* php_decimal128_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_decimal128_t) ((char) obj - XtOffsetOf(php_phongo_decimal128_t, std));
	+}
	+static inline php_phongo_int64_t* php_int64_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_int64_t) ((char) obj - XtOffsetOf(php_phongo_int64_t, std));
	+}
	+static inline php_phongo_javascript_t* php_javascript_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_javascript_t) ((char) obj - XtOffsetOf(php_phongo_javascript_t, std));
	+}
	+static inline php_phongo_maxkey_t* php_maxkey_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_maxkey_t) ((char) obj - XtOffsetOf(php_phongo_maxkey_t, std));
	+}
	+static inline php_phongo_minkey_t* php_minkey_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_minkey_t) ((char) obj - XtOffsetOf(php_phongo_minkey_t, std));
	+}
	+static inline php_phongo_objectid_t* php_objectid_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_objectid_t) ((char) obj - XtOffsetOf(php_phongo_objectid_t, std));
	+}
	+static inline php_phongo_regex_t* php_regex_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_regex_t) ((char) obj - XtOffsetOf(php_phongo_regex_t, std));
	+}
	+static inline php_phongo_symbol_t* php_symbol_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_symbol_t) ((char) obj - XtOffsetOf(php_phongo_symbol_t, std));
	+}
	+static inline php_phongo_timestamp_t* php_timestamp_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_timestamp_t) ((char) obj - XtOffsetOf(php_phongo_timestamp_t, std));
	+}
	+static inline php_phongo_undefined_t* php_undefined_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_undefined_t) ((char) obj - XtOffsetOf(php_phongo_undefined_t, std));
	+}
	+static inline php_phongo_utcdatetime_t* php_utcdatetime_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_utcdatetime_t) ((char) obj - XtOffsetOf(php_phongo_utcdatetime_t, std));
	+}
	+static inline php_phongo_commandfailedevent_t* php_commandfailedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_commandfailedevent_t) ((char) obj - XtOffsetOf(php_phongo_commandfailedevent_t, std));
	+}
	+static inline php_phongo_commandstartedevent_t* php_commandstartedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_commandstartedevent_t) ((char) obj - XtOffsetOf(php_phongo_commandstartedevent_t, std));
	+}
	+static inline php_phongo_commandsucceededevent_t* php_commandsucceededevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_commandsucceededevent_t) ((char) obj - XtOffsetOf(php_phongo_commandsucceededevent_t, std));
	+}
	+static inline php_phongo_serverchangedevent_t* php_serverchangedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverchangedevent_t) ((char) obj - XtOffsetOf(php_phongo_serverchangedevent_t, std));
	+}
	+static inline php_phongo_serverclosedevent_t* php_serverclosedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverclosedevent_t) ((char) obj - XtOffsetOf(php_phongo_serverclosedevent_t, std));
	+}
	+static inline php_phongo_serverheartbeatfailedevent_t* php_serverheartbeatfailedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverheartbeatfailedevent_t) ((char) obj - XtOffsetOf(php_phongo_serverheartbeatfailedevent_t, std));
	+}
	+static inline php_phongo_serverheartbeatstartedevent_t* php_serverheartbeatstartedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverheartbeatstartedevent_t) ((char) obj - XtOffsetOf(php_phongo_serverheartbeatstartedevent_t, std));
	+}
	+static inline php_phongo_serverheartbeatsucceededevent_t* php_serverheartbeatsucceededevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serverheartbeatsucceededevent_t) ((char) obj - XtOffsetOf(php_phongo_serverheartbeatsucceededevent_t, std));
	+}
	+static inline php_phongo_serveropeningevent_t* php_serveropeningevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_serveropeningevent_t) ((char) obj - XtOffsetOf(php_phongo_serveropeningevent_t, std));
	+}
	+static inline php_phongo_topologychangedevent_t* php_topologychangedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_topologychangedevent_t) ((char) obj - XtOffsetOf(php_phongo_topologychangedevent_t, std));
	+}
	+static inline php_phongo_topologyclosedevent_t* php_topologyclosedevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_topologyclosedevent_t) ((char) obj - XtOffsetOf(php_phongo_topologyclosedevent_t, std));
	+}
	+static inline php_phongo_topologyopeningevent_t* php_topologyopeningevent_fetch_object(zend_object* obj)
	+{
	+ return (php_phongo_topologyopeningevent_t) ((char) obj - XtOffsetOf(php_phongo_topologyopeningevent_t, std));
	+}
	+
	+#define Z_CLIENTENCRYPTION_OBJ_P(zv) (php_clientencryption_fetch_object(Z_OBJ_P(zv)))
	+#define Z_COMMAND_OBJ_P(zv) (php_command_fetch_object(Z_OBJ_P(zv)))
	+#define Z_CURSOR_OBJ_P(zv) (php_cursor_fetch_object(Z_OBJ_P(zv)))
	+#define Z_CURSORID_OBJ_P(zv) (php_cursorid_fetch_object(Z_OBJ_P(zv)))
	+#define Z_MANAGER_OBJ_P(zv) (php_manager_fetch_object(Z_OBJ_P(zv)))
	+#define Z_QUERY_OBJ_P(zv) (php_query_fetch_object(Z_OBJ_P(zv)))
	+#define Z_READCONCERN_OBJ_P(zv) (php_readconcern_fetch_object(Z_OBJ_P(zv)))
	+#define Z_READPREFERENCE_OBJ_P(zv) (php_readpreference_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVER_OBJ_P(zv) (php_server_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERAPI_OBJ_P(zv) (php_serverapi_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERDESCRIPTION_OBJ_P(zv) (php_serverdescription_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SESSION_OBJ_P(zv) (php_session_fetch_object(Z_OBJ_P(zv)))
	+#define Z_TOPOLOGYDESCRIPTION_OBJ_P(zv) (php_topologydescription_fetch_object(Z_OBJ_P(zv)))
	+#define Z_BULKWRITE_OBJ_P(zv) (php_bulkwrite_fetch_object(Z_OBJ_P(zv)))
	+#define Z_WRITECONCERN_OBJ_P(zv) (php_writeconcern_fetch_object(Z_OBJ_P(zv)))
	+#define Z_WRITECONCERNERROR_OBJ_P(zv) (php_writeconcernerror_fetch_object(Z_OBJ_P(zv)))
	+#define Z_WRITEERROR_OBJ_P(zv) (php_writeerror_fetch_object(Z_OBJ_P(zv)))
	+#define Z_WRITERESULT_OBJ_P(zv) (php_writeresult_fetch_object(Z_OBJ_P(zv)))
	+#define Z_BINARY_OBJ_P(zv) (php_binary_fetch_object(Z_OBJ_P(zv)))
	+#define Z_DBPOINTER_OBJ_P(zv) (php_dbpointer_fetch_object(Z_OBJ_P(zv)))
	+#define Z_DECIMAL128_OBJ_P(zv) (php_decimal128_fetch_object(Z_OBJ_P(zv)))
	+#define Z_INT64_OBJ_P(zv) (php_int64_fetch_object(Z_OBJ_P(zv)))
	+#define Z_JAVASCRIPT_OBJ_P(zv) (php_javascript_fetch_object(Z_OBJ_P(zv)))
	+#define Z_MAXKEY_OBJ_P(zv) (php_maxkey_fetch_object(Z_OBJ_P(zv)))
	+#define Z_MINKEY_OBJ_P(zv) (php_minkey_fetch_object(Z_OBJ_P(zv)))
	+#define Z_OBJECTID_OBJ_P(zv) (php_objectid_fetch_object(Z_OBJ_P(zv)))
	+#define Z_REGEX_OBJ_P(zv) (php_regex_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SYMBOL_OBJ_P(zv) (php_symbol_fetch_object(Z_OBJ_P(zv)))
	+#define Z_TIMESTAMP_OBJ_P(zv) (php_timestamp_fetch_object(Z_OBJ_P(zv)))
	+#define Z_UNDEFINED_OBJ_P(zv) (php_undefined_fetch_object(Z_OBJ_P(zv)))
	+#define Z_UTCDATETIME_OBJ_P(zv) (php_utcdatetime_fetch_object(Z_OBJ_P(zv)))
	+#define Z_COMMANDFAILEDEVENT_OBJ_P(zv) (php_commandfailedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_COMMANDSTARTEDEVENT_OBJ_P(zv) (php_commandstartedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_COMMANDSUCCEEDEDEVENT_OBJ_P(zv) (php_commandsucceededevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERCHANGEDEVENT_OBJ_P(zv) (php_serverchangedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERCLOSEDEVENT_OBJ_P(zv) (php_serverclosedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERHEARTBEATFAILEDEVENT_OBJ_P(zv) (php_serverheartbeatfailedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERHEARTBEATSTARTEDEVENT_OBJ_P(zv) (php_serverheartbeatstartedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVERHEARTBEATSUCCEEDEDEVENT_OBJ_P(zv) (php_serverheartbeatsucceededevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_SERVEROPENINGEVENT_OBJ_P(zv) (php_serveropeningevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_TOPOLOGYCHANGEDEVENT_OBJ_P(zv) (php_topologychangedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_TOPOLOGYCLOSEDEVENT_OBJ_P(zv) (php_topologyclosedevent_fetch_object(Z_OBJ_P(zv)))
	+#define Z_TOPOLOGYOPENINGEVENT_OBJ_P(zv) (php_topologyopeningevent_fetch_object(Z_OBJ_P(zv)))
	+
	+#define Z_OBJ_CLIENTENCRYPTION(zo) (php_clientencryption_fetch_object(zo))
	+#define Z_OBJ_COMMAND(zo) (php_command_fetch_object(zo))
	+#define Z_OBJ_CURSOR(zo) (php_cursor_fetch_object(zo))
	+#define Z_OBJ_CURSORID(zo) (php_cursorid_fetch_object(zo))
	+#define Z_OBJ_MANAGER(zo) (php_manager_fetch_object(zo))
	+#define Z_OBJ_QUERY(zo) (php_query_fetch_object(zo))
	+#define Z_OBJ_READCONCERN(zo) (php_readconcern_fetch_object(zo))
	+#define Z_OBJ_READPREFERENCE(zo) (php_readpreference_fetch_object(zo))
	+#define Z_OBJ_SERVER(zo) (php_server_fetch_object(zo))
	+#define Z_OBJ_SERVERAPI(zo) (php_serverapi_fetch_object(zo))
	+#define Z_OBJ_SERVERDESCRIPTION(zo) (php_serverdescription_fetch_object(zo))
	+#define Z_OBJ_SESSION(zo) (php_session_fetch_object(zo))
	+#define Z_OBJ_TOPOLOGYDESCRIPTION(zo) (php_topologydescription_fetch_object(zo))
	+#define Z_OBJ_BULKWRITE(zo) (php_bulkwrite_fetch_object(zo))
	+#define Z_OBJ_WRITECONCERN(zo) (php_writeconcern_fetch_object(zo))
	+#define Z_OBJ_WRITECONCERNERROR(zo) (php_writeconcernerror_fetch_object(zo))
	+#define Z_OBJ_WRITEERROR(zo) (php_writeerror_fetch_object(zo))
	+#define Z_OBJ_WRITERESULT(zo) (php_writeresult_fetch_object(zo))
	+#define Z_OBJ_BINARY(zo) (php_binary_fetch_object(zo))
	+#define Z_OBJ_DBPOINTER(zo) (php_dbpointer_fetch_object(zo))
	+#define Z_OBJ_DECIMAL128(zo) (php_decimal128_fetch_object(zo))
	+#define Z_OBJ_INT64(zo) (php_int64_fetch_object(zo))
	+#define Z_OBJ_JAVASCRIPT(zo) (php_javascript_fetch_object(zo))
	+#define Z_OBJ_MAXKEY(zo) (php_maxkey_fetch_object(zo))
	+#define Z_OBJ_MINKEY(zo) (php_minkey_fetch_object(zo))
	+#define Z_OBJ_OBJECTID(zo) (php_objectid_fetch_object(zo))
	+#define Z_OBJ_REGEX(zo) (php_regex_fetch_object(zo))
	+#define Z_OBJ_SYMBOL(zo) (php_symbol_fetch_object(zo))
	+#define Z_OBJ_TIMESTAMP(zo) (php_timestamp_fetch_object(zo))
	+#define Z_OBJ_UNDEFINED(zo) (php_undefined_fetch_object(zo))
	+#define Z_OBJ_UTCDATETIME(zo) (php_utcdatetime_fetch_object(zo))
	+#define Z_OBJ_COMMANDFAILEDEVENT(zo) (php_commandfailedevent_fetch_object(zo))
	+#define Z_OBJ_COMMANDSTARTEDEVENT(zo) (php_commandstartedevent_fetch_object(zo))
	+#define Z_OBJ_COMMANDSUCCEEDEDEVENT(zo) (php_commandsucceededevent_fetch_object(zo))
	+#define Z_OBJ_SERVERCHANGEDEVENT(zo) (php_serverchangedevent_fetch_object(zo))
	+#define Z_OBJ_SERVERCLOSEDEVENT(zo) (php_serverclosedevent_fetch_object(zo))
	+#define Z_OBJ_SERVERHEARTBEATFAILEDEVENT(zo) (php_serverheartbeatfailedevent_fetch_object(zo))
	+#define Z_OBJ_SERVERHEARTBEATSTARTEDEVENT(zo) (php_serverheartbeatstartedevent_fetch_object(zo))
	+#define Z_OBJ_SERVERHEARTBEATSUCCEEDEDEVENT(zo) (php_serverheartbeatsucceededevent_fetch_object(zo))
	+#define Z_OBJ_SERVEROPENINGEVENT(zo) (php_serveropeningevent_fetch_object(zo))
	+#define Z_OBJ_TOPOLOGYCHANGEDEVENT(zo) (php_topologychangedevent_fetch_object(zo))
	+#define Z_OBJ_TOPOLOGYCLOSEDEVENT(zo) (php_topologyclosedevent_fetch_object(zo))
	+#define Z_OBJ_TOPOLOGYOPENINGEVENT(zo) (php_topologyopeningevent_fetch_object(zo))
	+
	+extern zend_class_entry* php_phongo_clientencryption_ce;
	+extern zend_class_entry* php_phongo_command_ce;
	+extern zend_class_entry* php_phongo_cursor_ce;
	+extern zend_class_entry* php_phongo_cursorid_ce;
	+extern zend_class_entry* php_phongo_manager_ce;
	+extern zend_class_entry* php_phongo_query_ce;
	+extern zend_class_entry* php_phongo_readconcern_ce;
	+extern zend_class_entry* php_phongo_readpreference_ce;
	+extern zend_class_entry* php_phongo_server_ce;
	+extern zend_class_entry* php_phongo_serverapi_ce;
	+extern zend_class_entry* php_phongo_serverdescription_ce;
	+extern zend_class_entry* php_phongo_session_ce;
	+extern zend_class_entry* php_phongo_topologydescription_ce;
	+extern zend_class_entry* php_phongo_bulkwrite_ce;
	+extern zend_class_entry* php_phongo_writeconcern_ce;
	+extern zend_class_entry* php_phongo_writeconcernerror_ce;
	+extern zend_class_entry* php_phongo_writeerror_ce;
	+extern zend_class_entry* php_phongo_writeresult_ce;
	+
	+extern zend_class_entry* php_phongo_cursor_interface_ce;
	+
	+extern zend_class_entry* php_phongo_exception_ce;
	+extern zend_class_entry* php_phongo_logicexception_ce;
	+extern zend_class_entry* php_phongo_runtimeexception_ce;
	+extern zend_class_entry* php_phongo_serverexception_ce;
	+extern zend_class_entry* php_phongo_commandexception_ce;
	+extern zend_class_entry* php_phongo_unexpectedvalueexception_ce;
	+extern zend_class_entry* php_phongo_invalidargumentexception_ce;
	+extern zend_class_entry* php_phongo_connectionexception_ce;
	+extern zend_class_entry* php_phongo_authenticationexception_ce;
	+extern zend_class_entry* php_phongo_sslconnectionexception_ce;
	+extern zend_class_entry* php_phongo_encryptionexception_ce;
	+extern zend_class_entry* php_phongo_executiontimeoutexception_ce;
	+extern zend_class_entry* php_phongo_connectiontimeoutexception_ce;
	+extern zend_class_entry* php_phongo_writeexception_ce;
	+extern zend_class_entry* php_phongo_bulkwriteexception_ce;
	+
	+extern zend_class_entry* php_phongo_type_ce;
	+extern zend_class_entry* php_phongo_persistable_ce;
	+extern zend_class_entry* php_phongo_unserializable_ce;
	+extern zend_class_entry* php_phongo_serializable_ce;
	+extern zend_class_entry* php_phongo_binary_ce;
	+extern zend_class_entry* php_phongo_dbpointer_ce;
	+extern zend_class_entry* php_phongo_decimal128_ce;
	+extern zend_class_entry* php_phongo_int64_ce;
	+extern zend_class_entry* php_phongo_javascript_ce;
	+extern zend_class_entry* php_phongo_maxkey_ce;
	+extern zend_class_entry* php_phongo_minkey_ce;
	+extern zend_class_entry* php_phongo_objectid_ce;
	+extern zend_class_entry* php_phongo_regex_ce;
	+extern zend_class_entry* php_phongo_symbol_ce;
	+extern zend_class_entry* php_phongo_timestamp_ce;
	+extern zend_class_entry* php_phongo_undefined_ce;
	+extern zend_class_entry* php_phongo_utcdatetime_ce;
	+
	+extern zend_class_entry* php_phongo_binary_interface_ce;
	+extern zend_class_entry* php_phongo_decimal128_interface_ce;
	+extern zend_class_entry* php_phongo_javascript_interface_ce;
	+extern zend_class_entry* php_phongo_maxkey_interface_ce;
	+extern zend_class_entry* php_phongo_minkey_interface_ce;
	+extern zend_class_entry* php_phongo_objectid_interface_ce;
	+extern zend_class_entry* php_phongo_regex_interface_ce;
	+extern zend_class_entry* php_phongo_timestamp_interface_ce;
	+extern zend_class_entry* php_phongo_utcdatetime_interface_ce;
	+
	+extern zend_class_entry* php_phongo_commandfailedevent_ce;
	+extern zend_class_entry* php_phongo_commandstartedevent_ce;
	+extern zend_class_entry* php_phongo_commandsubscriber_ce;
	+extern zend_class_entry* php_phongo_commandsucceededevent_ce;
	+extern zend_class_entry* php_phongo_sdamsubscriber_ce;
	+extern zend_class_entry* php_phongo_subscriber_ce;
	+extern zend_class_entry* php_phongo_serverchangedevent_ce;
	+extern zend_class_entry* php_phongo_serverclosedevent_ce;
	+extern zend_class_entry* php_phongo_serverheartbeatfailedevent_ce;
	+extern zend_class_entry* php_phongo_serverheartbeatstartedevent_ce;
	+extern zend_class_entry* php_phongo_serverheartbeatsucceededevent_ce;
	+extern zend_class_entry* php_phongo_serveropeningevent_ce;
	+extern zend_class_entry* php_phongo_topologychangedevent_ce;
	+extern zend_class_entry* php_phongo_topologyclosedevent_ce;
	+extern zend_class_entry* php_phongo_topologyopeningevent_ce;
	+
	+extern void php_phongo_binary_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_dbpointer_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_decimal128_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_int64_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_javascript_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_maxkey_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_minkey_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_objectid_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_persistable_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_regex_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serializable_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_symbol_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_timestamp_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_type_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_undefined_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_unserializable_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_utcdatetime_init_ce(INIT_FUNC_ARGS);
	+
	+extern void php_phongo_binary_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_decimal128_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_javascript_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_maxkey_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_minkey_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_objectid_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_regex_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_timestamp_interface_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_utcdatetime_interface_init_ce(INIT_FUNC_ARGS);
	+
	+extern void php_phongo_bulkwrite_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_clientencryption_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_command_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_cursor_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_cursorid_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_manager_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_query_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_readconcern_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_readpreference_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_server_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverapi_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverdescription_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_session_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_topologydescription_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_writeconcern_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_writeconcernerror_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_writeerror_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_writeresult_init_ce(INIT_FUNC_ARGS);
	+
	+extern void php_phongo_cursor_interface_init_ce(INIT_FUNC_ARGS);
	+
	+extern void php_phongo_authenticationexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_bulkwriteexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_commandexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_connectionexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_connectiontimeoutexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_encryptionexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_exception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_executiontimeoutexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_invalidargumentexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_logicexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_runtimeexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_sslconnectionexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_unexpectedvalueexception_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_writeexception_init_ce(INIT_FUNC_ARGS);
	+
	+extern void php_phongo_commandfailedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_commandstartedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_commandsubscriber_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_commandsucceededevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_sdamsubscriber_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_subscriber_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverchangedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverclosedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverheartbeatfailedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverheartbeatstartedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serverheartbeatsucceededevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_serveropeningevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_topologychangedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_topologyclosedevent_init_ce(INIT_FUNC_ARGS);
	+extern void php_phongo_topologyopeningevent_init_ce(INIT_FUNC_ARGS);
	+
	+#endif /* PHONGO_CLASSES_H */
	diff --git a/mongodb-1.13.0/src/phongo_client.c b/mongodb-1.13.0/src/phongo_client.c
	new file mode 100644
	index 00000000..58eb2126
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_client.c
	@@ -0,0 +1,1688 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <ext/standard/php_var.h>
	+#include <Zend/zend_smart_str.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_apm.h"
	+#include "phongo_bson_encode.h"
	+#include "phongo_client.h"
	+#include "phongo_error.h"
	+#include "phongo_util.h"
	+
	+#include "MongoDB/ReadPreference.h"
	+#include "MongoDB/WriteConcern.h"
	+
	+ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	+
	+#define PHONGO_METADATA_SEPARATOR " / "
	+#define PHONGO_METADATA_SEPARATOR_LEN (sizeof(PHONGO_METADATA_SEPARATOR) - 1)
	+#define PHONGO_METADATA_PHP_VERSION_PREFIX "PHP "
	+#define PHONGO_METADATA_PHP_VERSION_PREFIX_LEN (sizeof(PHONGO_METADATA_PHP_VERSION_PREFIX) - 1)
	+
	+/* Structure for tracking libmongoc clients (both persisted and non-persisted).
	+ * The PID is included to ensure that processes do not destroy clients created
	+ * by other processes (relevant for forking). We avoid using pid_t for Windows
	+ * compatibility. */
	+typedef struct {
	+ mongoc_client_t* client;
	+ int created_by_pid;
	+ int last_reset_by_pid;
	+ bool is_persistent;
	+} php_phongo_pclient_t;
	+
	+static mongoc_uri_t* php_phongo_make_uri(const char* uri_string) /* {{{ */
	+{
	+ mongoc_uri_t* uri;
	+ bson_error_t error = { 0 };
	+
	+ uri = mongoc_uri_new_with_error(uri_string, &error);
	+ MONGOC_DEBUG("Connection string: '%s'", uri_string);
	+
	+ if (!uri) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse MongoDB URI: '%s'. %s.", uri_string, error.message);
	+ return NULL;
	+ }
	+
	+ return uri;
	+} /* }}} */
	+
	+static const char* php_phongo_bson_type_to_string(bson_type_t type) /* {{{ */
	+{
	+ switch (type) {
	+ case BSON_TYPE_EOD:
	+ return "EOD";
	+ case BSON_TYPE_DOUBLE:
	+ return "double";
	+ case BSON_TYPE_UTF8:
	+ return "string";
	+ case BSON_TYPE_DOCUMENT:
	+ return "document";
	+ case BSON_TYPE_ARRAY:
	+ return "array";
	+ case BSON_TYPE_BINARY:
	+ return "Binary";
	+ case BSON_TYPE_UNDEFINED:
	+ return "undefined";
	+ case BSON_TYPE_OID:
	+ return "ObjectId";
	+ case BSON_TYPE_BOOL:
	+ return "boolean";
	+ case BSON_TYPE_DATE_TIME:
	+ return "UTCDateTime";
	+ case BSON_TYPE_NULL:
	+ return "null";
	+ case BSON_TYPE_REGEX:
	+ return "Regex";
	+ case BSON_TYPE_DBPOINTER:
	+ return "DBPointer";
	+ case BSON_TYPE_CODE:
	+ return "Javascript";
	+ case BSON_TYPE_SYMBOL:
	+ return "symbol";
	+ case BSON_TYPE_CODEWSCOPE:
	+ return "Javascript with scope";
	+ case BSON_TYPE_INT32:
	+ return "32-bit integer";
	+ case BSON_TYPE_TIMESTAMP:
	+ return "Timestamp";
	+ case BSON_TYPE_INT64:
	+ return "64-bit integer";
	+ case BSON_TYPE_DECIMAL128:
	+ return "Decimal128";
	+ case BSON_TYPE_MAXKEY:
	+ return "MaxKey";
	+ case BSON_TYPE_MINKEY:
	+ return "MinKey";
	+ default:
	+ return "unknown";
	+ }
	+} /* }}} */
	+
	+#define PHONGO_URI_INVALID_TYPE(iter, expected) \
	+ phongo_throw_exception( \
	+ PHONGO_ERROR_INVALID_ARGUMENT, \
	+ "Expected %s for \"%s\" URI option, %s given", \
	+ (expected), \
	+ bson_iter_key(&(iter)), \
	+ php_phongo_bson_type_to_string(bson_iter_type(&(iter))))
	+
	+static bool php_phongo_apply_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	+{
	+ bson_iter_t iter;
	+
	+ /* Return early if there are no options to apply */
	+ if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	+ return true;
	+ }
	+
	+ while (bson_iter_next(&iter)) {
	+ const char* key = bson_iter_key(&iter);
	+
	+ /* Skip read preference, read concern, and write concern options, as
	+ * those will be processed by other functions. */
	+ if (!strcasecmp(key, MONGOC_URI_JOURNAL) \|\|
	+ !strcasecmp(key, MONGOC_URI_MAXSTALENESSSECONDS) \|\|
	+ !strcasecmp(key, MONGOC_URI_READCONCERNLEVEL) \|\|
	+ !strcasecmp(key, MONGOC_URI_READPREFERENCE) \|\|
	+ !strcasecmp(key, MONGOC_URI_READPREFERENCETAGS) \|\|
	+ !strcasecmp(key, MONGOC_URI_SAFE) \|\|
	+ !strcasecmp(key, MONGOC_URI_W) \|\|
	+ !strcasecmp(key, MONGOC_URI_WTIMEOUTMS)) {
	+
	+ continue;
	+ }
	+
	+ if (mongoc_uri_option_is_bool(key)) {
	+ /* The option's type is not validated because bson_iter_as_bool() is
	+ * used to cast the value to a boolean. Validation may be introduced
	+ * in PHPC-990. */
	+ if (!mongoc_uri_set_option_as_bool(uri, key, bson_iter_as_bool(&iter))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (mongoc_uri_option_is_int32(key)) {
	+ if (!BSON_ITER_HOLDS_INT32(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "32-bit integer");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_option_as_int32(uri, key, bson_iter_int32(&iter))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (mongoc_uri_option_is_utf8(key)) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_REPLICASET) && !strcmp("", bson_iter_utf8(&iter, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Value for URI option \"%s\" cannot be empty string.", key);
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_option_as_utf8(uri, key, bson_iter_utf8(&iter, NULL))) {
	+ /* Assignment uses mongoc_uri_set_appname() for the "appname"
	+ * option, which validates length in addition to UTF-8 encoding.
	+ * For BC, we report the invalid string to the user. */
	+ if (!strcasecmp(key, MONGOC_URI_APPNAME)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Invalid appname value: '%s'", bson_iter_utf8(&iter, NULL));
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ }
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, "username")) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_username(uri, bson_iter_utf8(&iter, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, "password")) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_password(uri, bson_iter_utf8(&iter, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_AUTHMECHANISM)) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_auth_mechanism(uri, bson_iter_utf8(&iter, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_AUTHSOURCE)) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_auth_source(uri, bson_iter_utf8(&iter, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_AUTHMECHANISMPROPERTIES)) {
	+ bson_t properties;
	+ uint32_t len;
	+ const uint8_t* data;
	+
	+ if (!BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "array or object");
	+ return false;
	+ }
	+
	+ bson_iter_document(&iter, &len, &data);
	+
	+ if (!bson_init_static(&properties, data, len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Could not initialize BSON structure for auth mechanism properties");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_mechanism_properties(uri, &properties)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_GSSAPISERVICENAME)) {
	+ bson_t unused, properties = BSON_INITIALIZER;
	+
	+ if (mongoc_uri_get_mechanism_properties(uri, &unused)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "authMechanismProperties SERVICE_NAME already set, ignoring \"%s\"", key);
	+ return false;
	+ }
	+
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ bson_append_utf8(&properties, "SERVICE_NAME", -1, bson_iter_utf8(&iter, NULL), -1);
	+
	+ if (!mongoc_uri_set_mechanism_properties(uri, &properties)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ bson_destroy(&properties);
	+ return false;
	+ }
	+
	+ bson_destroy(&properties);
	+
	+ continue;
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_COMPRESSORS)) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ return false;
	+ }
	+
	+ if (!mongoc_uri_set_compressors(uri, bson_iter_utf8(&iter, NULL))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" URI option", key);
	+ return false;
	+ }
	+
	+ continue;
	+ }
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+static bool php_phongo_apply_rc_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ mongoc_read_concern_t* new_rc;
	+ const mongoc_read_concern_t* old_rc;
	+
	+ if (!(old_rc = mongoc_uri_get_read_concern(uri))) {
	+ phongo_throw_exception(PHONGO_ERROR_MONGOC_FAILED, "mongoc_uri_t does not have a read concern");
	+
	+ return false;
	+ }
	+
	+ /* Return early if there are no options to apply */
	+ if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	+ return true;
	+ }
	+
	+ new_rc = mongoc_read_concern_copy(old_rc);
	+
	+ while (bson_iter_next(&iter)) {
	+ const char* key = bson_iter_key(&iter);
	+
	+ if (!strcasecmp(key, MONGOC_URI_READCONCERNLEVEL)) {
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ mongoc_read_concern_destroy(new_rc);
	+
	+ return false;
	+ }
	+
	+ mongoc_read_concern_set_level(new_rc, bson_iter_utf8(&iter, NULL));
	+ }
	+ }
	+
	+ mongoc_uri_set_read_concern(uri, new_rc);
	+ mongoc_read_concern_destroy(new_rc);
	+
	+ return true;
	+} /* }}} */
	+
	+static bool php_phongo_apply_rp_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ mongoc_read_prefs_t* new_rp;
	+ const mongoc_read_prefs_t* old_rp;
	+
	+ if (!(old_rp = mongoc_uri_get_read_prefs_t(uri))) {
	+ phongo_throw_exception(PHONGO_ERROR_MONGOC_FAILED, "mongoc_uri_t does not have a read preference");
	+
	+ return false;
	+ }
	+
	+ /* Return early if there are no options to apply */
	+ if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	+ return true;
	+ }
	+
	+ new_rp = mongoc_read_prefs_copy(old_rp);
	+
	+ while (bson_iter_next(&iter)) {
	+ const char* key = bson_iter_key(&iter);
	+
	+ if (!strcasecmp(key, MONGOC_URI_READPREFERENCE)) {
	+ const char* str;
	+
	+ if (!BSON_ITER_HOLDS_UTF8(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "string");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ str = bson_iter_utf8(&iter, NULL);
	+
	+ if (0 == strcasecmp("primary", str)) {
	+ mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_PRIMARY);
	+ } else if (0 == strcasecmp("primarypreferred", str)) {
	+ mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_PRIMARY_PREFERRED);
	+ } else if (0 == strcasecmp("secondary", str)) {
	+ mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_SECONDARY);
	+ } else if (0 == strcasecmp("secondarypreferred", str)) {
	+ mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_SECONDARY_PREFERRED);
	+ } else if (0 == strcasecmp("nearest", str)) {
	+ mongoc_read_prefs_set_mode(new_rp, MONGOC_READ_NEAREST);
	+ } else {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Unsupported %s value: '%s'", bson_iter_key(&iter), str);
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_READPREFERENCETAGS)) {
	+ bson_t tags;
	+ uint32_t len;
	+ const uint8_t* data;
	+
	+ if (!BSON_ITER_HOLDS_ARRAY(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "array");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ bson_iter_array(&iter, &len, &data);
	+
	+ if (!bson_init_static(&tags, data, len)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Could not initialize BSON structure for read preference tags");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ if (!php_phongo_read_preference_tags_are_valid(&tags)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference tags must be an array of zero or more documents");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ mongoc_read_prefs_set_tags(new_rp, &tags);
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_MAXSTALENESSSECONDS)) {
	+ int64_t max_staleness_seconds;
	+
	+ if (!BSON_ITER_HOLDS_INT(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "integer");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ max_staleness_seconds = bson_iter_as_int64(&iter);
	+
	+ if (max_staleness_seconds != MONGOC_NO_MAX_STALENESS) {
	+
	+ if (max_staleness_seconds < MONGOC_SMALLEST_MAX_STALENESS_SECONDS) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be >= %d, %" PRId64 " given", MONGOC_SMALLEST_MAX_STALENESS_SECONDS, max_staleness_seconds);
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ if (max_staleness_seconds > INT32_MAX) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected maxStalenessSeconds to be <= %d, %" PRId64 " given", INT32_MAX, max_staleness_seconds);
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ if (mongoc_read_prefs_get_mode(new_rp) == MONGOC_READ_PRIMARY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Primary read preference mode conflicts with maxStalenessSeconds");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+ }
	+
	+ mongoc_read_prefs_set_max_staleness_seconds(new_rp, max_staleness_seconds);
	+ }
	+ }
	+
	+ if (mongoc_read_prefs_get_mode(new_rp) == MONGOC_READ_PRIMARY &&
	+ !bson_empty(mongoc_read_prefs_get_tags(new_rp))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Primary read preference mode conflicts with tags");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ /* Make sure maxStalenessSeconds is not combined with primary readPreference */
	+ if (mongoc_read_prefs_get_mode(new_rp) == MONGOC_READ_PRIMARY &&
	+ mongoc_read_prefs_get_max_staleness_seconds(new_rp) != MONGOC_NO_MAX_STALENESS) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Primary read preference mode conflicts with maxStalenessSeconds");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ /* This may be redundant in light of the previous checks (primary with tags
	+ * or maxStalenessSeconds), but we'll check anyway in case additional
	+ * validation is implemented. */
	+ if (!mongoc_read_prefs_is_valid(new_rp)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Read preference is not valid");
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return false;
	+ }
	+
	+ mongoc_uri_set_read_prefs_t(uri, new_rp);
	+ mongoc_read_prefs_destroy(new_rp);
	+
	+ return true;
	+} /* }}} */
	+
	+static bool php_phongo_apply_wc_options_to_uri(mongoc_uri_t* uri, bson_t* options) /* {{{ */
	+{
	+ bson_iter_t iter;
	+ mongoc_write_concern_t* new_wc;
	+ const mongoc_write_concern_t* old_wc;
	+ bool ignore_safe = false;
	+
	+ if (!(old_wc = mongoc_uri_get_write_concern(uri))) {
	+ phongo_throw_exception(PHONGO_ERROR_MONGOC_FAILED, "mongoc_uri_t does not have a write concern");
	+
	+ return false;
	+ }
	+
	+ /* Return early if there are no options to apply */
	+ if (bson_empty0(options) \|\| !bson_iter_init(&iter, options)) {
	+ return true;
	+ }
	+
	+ new_wc = mongoc_write_concern_copy(old_wc);
	+
	+ while (bson_iter_next(&iter)) {
	+ const char* key = bson_iter_key(&iter);
	+
	+ if (!ignore_safe && !strcasecmp(key, MONGOC_URI_SAFE)) {
	+ if (!BSON_ITER_HOLDS_BOOL(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "boolean");
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+
	+ mongoc_write_concern_set_w(new_wc, bson_iter_bool(&iter) ? 1 : MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED);
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_WTIMEOUTMS)) {
	+ int64_t wtimeout;
	+
	+ if (!BSON_ITER_HOLDS_INT(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "integer");
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+
	+ wtimeout = bson_iter_as_int64(&iter);
	+
	+ if (wtimeout < 0) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected wtimeoutMS to be >= 0, %" PRId64 " given", wtimeout);
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+
	+ mongoc_write_concern_set_wtimeout_int64(new_wc, wtimeout);
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_JOURNAL)) {
	+ if (!BSON_ITER_HOLDS_BOOL(&iter)) {
	+ PHONGO_URI_INVALID_TYPE(iter, "boolean");
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+
	+ mongoc_write_concern_set_journal(new_wc, bson_iter_bool(&iter));
	+ }
	+
	+ if (!strcasecmp(key, MONGOC_URI_W)) {
	+ if (BSON_ITER_HOLDS_INT32(&iter)) {
	+ int32_t value = bson_iter_int32(&iter);
	+
	+ switch (value) {
	+ case MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED:
	+ case MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED:
	+ mongoc_write_concern_set_w(new_wc, value);
	+ break;
	+
	+ default:
	+ if (value > 0) {
	+ mongoc_write_concern_set_w(new_wc, value);
	+ break;
	+ }
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Unsupported w value: %d", value);
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+ } else if (BSON_ITER_HOLDS_UTF8(&iter)) {
	+ const char* str = bson_iter_utf8(&iter, NULL);
	+
	+ if (0 == strcasecmp(PHONGO_WRITE_CONCERN_W_MAJORITY, str)) {
	+ mongoc_write_concern_set_w(new_wc, MONGOC_WRITE_CONCERN_W_MAJORITY);
	+ } else {
	+ mongoc_write_concern_set_wtag(new_wc, str);
	+ }
	+ } else {
	+ PHONGO_URI_INVALID_TYPE(iter, "32-bit integer or string");
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+
	+ ignore_safe = true;
	+ }
	+ }
	+
	+ if (mongoc_write_concern_get_journal(new_wc)) {
	+ int32_t w = mongoc_write_concern_get_w(new_wc);
	+
	+ if (w == MONGOC_WRITE_CONCERN_W_UNACKNOWLEDGED \|\| w == MONGOC_WRITE_CONCERN_W_ERRORS_IGNORED) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Journal conflicts with w value: %d", w);
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+ }
	+
	+ /* This may be redundant in light of the last check (unacknowledged w with
	+ journal), but we'll check anyway in case additional validation is
	+ implemented. */
	+ if (!mongoc_write_concern_is_valid(new_wc)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Write concern is not valid");
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return false;
	+ }
	+
	+ mongoc_uri_set_write_concern(uri, new_wc);
	+ mongoc_write_concern_destroy(new_wc);
	+
	+ return true;
	+} /* }}} */
	+
	+#ifdef MONGOC_ENABLE_SSL
	+static void php_phongo_mongoc_ssl_opts_from_uri(mongoc_ssl_opt_t* ssl_opt, mongoc_uri_t* uri, bool* any_ssl_option_set)
	+{
	+ bool insecure = mongoc_uri_get_option_as_bool(uri, MONGOC_URI_TLSINSECURE, false);
	+ const char* pem_file = mongoc_uri_get_option_as_utf8(uri, MONGOC_URI_TLSCERTIFICATEKEYFILE, NULL);
	+ const char* pem_pwd = mongoc_uri_get_option_as_utf8(uri, MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD, NULL);
	+ const char* ca_file = mongoc_uri_get_option_as_utf8(uri, MONGOC_URI_TLSCAFILE, NULL);
	+
	+ ssl_opt->pem_file = pem_file ? estrdup(pem_file) : NULL;
	+ ssl_opt->pem_pwd = pem_pwd ? estrdup(pem_pwd) : NULL;
	+ ssl_opt->ca_file = ca_file ? estrdup(ca_file) : NULL;
	+ ssl_opt->weak_cert_validation = mongoc_uri_get_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES, insecure);
	+ ssl_opt->allow_invalid_hostname = mongoc_uri_get_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES, insecure);
	+
	+ /* Boolean options default to false, so we cannot consider them for
	+ * any_ssl_option_set. This isn't actually a problem as libmongoc will
	+ * already have assigned them when creating the client, enabling SSL, and
	+ * assigning SSL options. Therefore, we only need to check for non-defaults
	+ * (i.e. non-NULL strings, true booleans). */
	+ if (pem_file \|\| pem_pwd \|\| ca_file \|\| ssl_opt->weak_cert_validation \|\| ssl_opt->allow_invalid_hostname) {
	+ *any_ssl_option_set = true;
	+ }
	+}
	+
	+static inline char* php_phongo_fetch_ssl_opt_string(zval* zoptions, const char* key)
	+{
	+ int plen;
	+ zend_bool pfree;
	+ char* pval;
	+ char* value;
	+
	+ pval = php_array_fetch_string(zoptions, key, &plen, &pfree);
	+ value = pfree ? pval : estrndup(pval, plen);
	+
	+ return value;
	+}
	+
	+static mongoc_ssl_opt_t* php_phongo_make_ssl_opt(mongoc_uri_t* uri, zval* zoptions)
	+{
	+ mongoc_ssl_opt_t* ssl_opt;
	+ bool any_ssl_option_set = false;
	+
	+ if (!zoptions) {
	+ return NULL;
	+ }
	+
	+#if defined(MONGOC_ENABLE_SSL_SECURE_CHANNEL) \|\| defined(MONGOC_ENABLE_SSL_SECURE_TRANSPORT)
	+ if (php_array_existsc(zoptions, "ca_dir")) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"ca_dir\" option is not supported by Secure Channel and Secure Transport");
	+ return NULL;
	+ }
	+
	+ if (php_array_existsc(zoptions, "capath")) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"capath\" option is not supported by Secure Channel and Secure Transport");
	+ return NULL;
	+ }
	+#endif
	+
	+#if defined(MONGOC_ENABLE_SSL_LIBRESSL) \|\| defined(MONGOC_ENABLE_SSL_SECURE_TRANSPORT)
	+ if (php_array_existsc(zoptions, "crl_file")) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "\"crl_file\" option is not supported by LibreSSL and Secure Transport");
	+ return NULL;
	+ }
	+#endif
	+
	+ ssl_opt = ecalloc(1, sizeof(mongoc_ssl_opt_t));
	+
	+ /* If SSL options are set in the URL, we need to read them and set them on
	+ * the options struct so we can merge potential options from passed in
	+ * driverOptions (zoptions) */
	+ if (mongoc_uri_get_tls(uri)) {
	+ php_phongo_mongoc_ssl_opts_from_uri(ssl_opt, uri, &any_ssl_option_set);
	+ }
	+
	+#define PHONGO_SSL_OPTION_SWAP_STRING(o, n) \
	+ if ((o)) { \
	+ efree((char*) (o)); \
	+ } \
	+ (o) = php_phongo_fetch_ssl_opt_string(zoptions, n);
	+
	+ /* Apply driver options that don't have a corresponding URI option. These
	+ * are set directly on the SSL options struct. */
	+ if (php_array_existsc(zoptions, "ca_dir")) {
	+ PHONGO_SSL_OPTION_SWAP_STRING(ssl_opt->ca_dir, "ca_dir");
	+ any_ssl_option_set = true;
	+ } else if (php_array_existsc(zoptions, "capath")) {
	+ PHONGO_SSL_OPTION_SWAP_STRING(ssl_opt->ca_dir, "capath");
	+ any_ssl_option_set = true;
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"capath\" context driver option is deprecated. Please use the \"ca_dir\" driver option instead.");
	+ }
	+
	+ if (php_array_existsc(zoptions, "crl_file")) {
	+ PHONGO_SSL_OPTION_SWAP_STRING(ssl_opt->crl_file, "crl_file");
	+ any_ssl_option_set = true;
	+ }
	+
	+#undef PHONGO_SSL_OPTION_SWAP_STRING
	+
	+ if (!any_ssl_option_set) {
	+ efree(ssl_opt);
	+ return NULL;
	+ }
	+
	+ return ssl_opt;
	+}
	+
	+static void php_phongo_free_ssl_opt(mongoc_ssl_opt_t* ssl_opt)
	+{
	+ if (ssl_opt->pem_file) {
	+ efree((char*) ssl_opt->pem_file);
	+ }
	+
	+ if (ssl_opt->pem_pwd) {
	+ efree((char*) ssl_opt->pem_pwd);
	+ }
	+
	+ if (ssl_opt->ca_file) {
	+ efree((char*) ssl_opt->ca_file);
	+ }
	+
	+ if (ssl_opt->ca_dir) {
	+ efree((char*) ssl_opt->ca_dir);
	+ }
	+
	+ if (ssl_opt->crl_file) {
	+ efree((char*) ssl_opt->crl_file);
	+ }
	+
	+ efree(ssl_opt);
	+}
	+
	+static inline bool php_phongo_apply_driver_option_to_uri(mongoc_uri_t* uri, zval* zoptions, const char* driverOptionKey, const char* optionKey)
	+{
	+ bool ret;
	+ char* value;
	+
	+ value = php_phongo_fetch_ssl_opt_string(zoptions, driverOptionKey);
	+ ret = mongoc_uri_set_option_as_utf8(uri, optionKey, value);
	+ efree(value);
	+
	+ return ret;
	+}
	+
	+static bool php_phongo_apply_driver_options_to_uri(mongoc_uri_t* uri, zval* zoptions)
	+{
	+ if (!zoptions) {
	+ return true;
	+ }
	+
	+ /* Map TLS driver options to the canonical tls options in the URI. */
	+ if (php_array_existsc(zoptions, "allow_invalid_hostname")) {
	+ if (!mongoc_uri_set_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDHOSTNAMES, php_array_fetchc_bool(zoptions, "allow_invalid_hostname"))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "allow_invalid_hostname");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"allow_invalid_hostname\" driver option is deprecated. Please use the \"tlsAllowInvalidHostnames\" URI option instead.");
	+ }
	+
	+ if (php_array_existsc(zoptions, "weak_cert_validation")) {
	+ if (!mongoc_uri_set_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES, php_array_fetchc_bool(zoptions, "weak_cert_validation"))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "weak_cert_validation");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"weak_cert_validation\" driver option is deprecated. Please use the \"tlsAllowInvalidCertificates\" URI option instead.");
	+ } else if (php_array_existsc(zoptions, "allow_self_signed")) {
	+ if (!mongoc_uri_set_option_as_bool(uri, MONGOC_URI_TLSALLOWINVALIDCERTIFICATES, php_array_fetchc_bool(zoptions, "allow_self_signed"))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "allow_self_signed");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"allow_self_signed\" context driver option is deprecated. Please use the \"tlsAllowInvalidCertificates\" URI option instead.");
	+ }
	+
	+ if (php_array_existsc(zoptions, "pem_file")) {
	+ if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "pem_file", MONGOC_URI_TLSCERTIFICATEKEYFILE)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "pem_file");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"pem_file\" driver option is deprecated. Please use the \"tlsCertificateKeyFile\" URI option instead.");
	+ } else if (php_array_existsc(zoptions, "local_cert")) {
	+ if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "local_cert", MONGOC_URI_TLSCERTIFICATEKEYFILE)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "local_cert");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"local_cert\" context driver option is deprecated. Please use the \"tlsCertificateKeyFile\" URI option instead.");
	+ }
	+
	+ if (php_array_existsc(zoptions, "pem_pwd")) {
	+ if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "pem_pwd", MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "pem_pwd");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"pem_pwd\" driver option is deprecated. Please use the \"tlsCertificateKeyFilePassword\" URI option instead.");
	+ } else if (php_array_existsc(zoptions, "passphrase")) {
	+ if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "passphrase", MONGOC_URI_TLSCERTIFICATEKEYFILEPASSWORD)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "passphrase");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"passphrase\" context driver option is deprecated. Please use the \"tlsCertificateKeyFilePassword\" URI option instead.");
	+ }
	+
	+ if (php_array_existsc(zoptions, "ca_file")) {
	+ if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "ca_file", MONGOC_URI_TLSCAFILE)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "ca_file");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"ca_file\" driver option is deprecated. Please use the \"tlsCAFile\" URI option instead.");
	+ } else if (php_array_existsc(zoptions, "cafile")) {
	+ if (!php_phongo_apply_driver_option_to_uri(uri, zoptions, "cafile", MONGOC_URI_TLSCAFILE)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse \"%s\" driver option", "cafile");
	+
	+ return false;
	+ }
	+
	+ php_error_docref(NULL, E_DEPRECATED, "The \"cafile\" context driver option is deprecated. Please use the \"tlsCAFile\" URI option instead.");
	+ }
	+
	+ return true;
	+}
	+#endif /* MONGOC_ENABLE_SSL */
	+
	+static zval* php_phongo_manager_prepare_manager_for_hash(zval* driverOptions, bool* free)
	+{
	+ php_phongo_manager_t* manager;
	+ zval* autoEncryptionOpts = NULL;
	+ zval* keyVaultClient = NULL;
	+ zval* driverOptionsClone = NULL;
	+ zval* autoEncryptionOptsClone = NULL;
	+ zval stackAutoEncryptionOptsClone;
	+
	+ *free = false;
	+
	+ if (!driverOptions) {
	+ return NULL;
	+ }
	+
	+ if (!php_array_existsc(driverOptions, "autoEncryption")) {
	+ goto ref;
	+ }
	+
	+ autoEncryptionOpts = php_array_fetchc(driverOptions, "autoEncryption");
	+ if (Z_TYPE_P(autoEncryptionOpts) != IS_ARRAY) {
	+ goto ref;
	+ }
	+
	+ if (!php_array_existsc(autoEncryptionOpts, "keyVaultClient")) {
	+ goto ref;
	+ }
	+
	+ keyVaultClient = php_array_fetchc(autoEncryptionOpts, "keyVaultClient");
	+ if (Z_TYPE_P(keyVaultClient) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(keyVaultClient), php_phongo_manager_ce)) {
	+ goto ref;
	+ }
	+
	+ *free = true;
	+
	+ manager = Z_MANAGER_OBJ_P(keyVaultClient);
	+
	+ driverOptionsClone = ecalloc(1, sizeof(zval));
	+ autoEncryptionOptsClone = &stackAutoEncryptionOptsClone;
	+
	+ ZVAL_DUP(autoEncryptionOptsClone, autoEncryptionOpts);
	+ ADD_ASSOC_STRINGL(autoEncryptionOptsClone, "keyVaultClient", manager->client_hash, manager->client_hash_len);
	+
	+ ZVAL_DUP(driverOptionsClone, driverOptions);
	+ ADD_ASSOC_ZVAL_EX(driverOptionsClone, "autoEncryption", autoEncryptionOptsClone);
	+
	+ return driverOptionsClone;
	+
	+ref:
	+ Z_ADDREF_P(driverOptions);
	+ return driverOptions;
	+}
	+
	+/* Creates a hash for a client by concatenating the URI string with serialized
	+ * options arrays. On success, a persistent string is returned (i.e. pefree()
	+ * should be used to free it) and hash_len will be set to the string's length.
	+ * On error, an exception will have been thrown and NULL will be returned. */
	+static char* php_phongo_manager_make_client_hash(const char* uri_string, zval* options, zval* driverOptions, size_t* hash_len)
	+{
	+ char* hash = NULL;
	+ smart_str var_buf = { 0 };
	+ php_serialize_data_t var_hash;
	+ zval* serializable_driver_options = NULL;
	+ bool free_driver_options = false;
	+
	+ zval args;
	+
	+ array_init_size(&args, 4);
	+ ADD_ASSOC_LONG_EX(&args, "pid", getpid());
	+ ADD_ASSOC_STRING(&args, "uri", uri_string);
	+
	+ if (options) {
	+ ADD_ASSOC_ZVAL_EX(&args, "options", options);
	+ Z_ADDREF_P(options);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&args, "options");
	+ }
	+
	+ if (driverOptions) {
	+ serializable_driver_options = php_phongo_manager_prepare_manager_for_hash(driverOptions, &free_driver_options);
	+ ADD_ASSOC_ZVAL_EX(&args, "driverOptions", serializable_driver_options);
	+ } else {
	+ ADD_ASSOC_NULL_EX(&args, "driverOptions");
	+ }
	+
	+ PHP_VAR_SERIALIZE_INIT(var_hash);
	+ php_var_serialize(&var_buf, &args, &var_hash);
	+ PHP_VAR_SERIALIZE_DESTROY(var_hash);
	+
	+ if (!EG(exception)) {
	+ *hash_len = ZSTR_LEN(var_buf.s);
	+ hash = estrndup(ZSTR_VAL(var_buf.s), *hash_len);
	+ }
	+
	+ zval_ptr_dtor(&args);
	+
	+ if (free_driver_options) {
	+ efree(serializable_driver_options);
	+ }
	+
	+ smart_str_free(&var_buf);
	+
	+ return hash;
	+}
	+
	+static bool php_phongo_extract_handshake_data(zval* driver, const char* key, char** value, size_t* value_len)
	+{
	+ zval* zvalue;
	+
	+ if (!php_array_exists(driver, key)) {
	+ *value = NULL;
	+ *value_len = 0;
	+
	+ return true;
	+ }
	+
	+ zvalue = php_array_fetch(driver, key);
	+
	+ if (Z_TYPE_P(zvalue) != IS_STRING) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" handshake option to be a string, %s given", key, PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zvalue));
	+ return false;
	+ }
	+
	+ *value = estrdup(Z_STRVAL_P(zvalue));
	+ *value_len = Z_STRLEN_P(zvalue);
	+
	+ return true;
	+}
	+
	+static char* php_phongo_concat_handshake_data(const char* default_value, const char* custom_value, size_t custom_value_len)
	+{
	+ char* ret;
	+ /* Length of the returned value needs to include a trailing space and null byte */
	+ size_t ret_len = strlen(default_value) + 2;
	+
	+ if (custom_value) {
	+ /* Increase the length by that of the custom value as well as the separator length */
	+ ret_len += custom_value_len + PHONGO_METADATA_SEPARATOR_LEN;
	+ }
	+
	+ ret = ecalloc(ret_len, sizeof(char));
	+
	+ if (custom_value) {
	+ snprintf(ret, ret_len, "%s%s%s ", default_value, PHONGO_METADATA_SEPARATOR, custom_value);
	+ } else {
	+ snprintf(ret, ret_len, "%s ", default_value);
	+ }
	+
	+ return ret;
	+}
	+
	+static void php_phongo_handshake_data_append(const char* name, size_t name_len, const char* version, size_t version_len, const char* platform, size_t platform_len)
	+{
	+ char* php_version_string;
	+ size_t php_version_string_len;
	+ char* driver_name;
	+ char* driver_version;
	+ char* full_platform;
	+
	+ php_version_string_len = strlen(PHP_VERSION) + PHONGO_METADATA_PHP_VERSION_PREFIX_LEN + 1;
	+ php_version_string = ecalloc(php_version_string_len, sizeof(char));
	+ snprintf(php_version_string, php_version_string_len, "%s%s", PHONGO_METADATA_PHP_VERSION_PREFIX, PHP_VERSION);
	+
	+ driver_name = php_phongo_concat_handshake_data("ext-mongodb:PHP", name, name_len);
	+ driver_version = php_phongo_concat_handshake_data(PHP_MONGODB_VERSION, version, version_len);
	+ full_platform = php_phongo_concat_handshake_data(php_version_string, platform, platform_len);
	+
	+ MONGOC_DEBUG(
	+ "Setting driver handshake data: { name: '%s', version: '%s', platform: '%s' }",
	+ driver_name,
	+ driver_version,
	+ full_platform);
	+
	+ mongoc_handshake_data_append(driver_name, driver_version, full_platform);
	+
	+ efree(php_version_string);
	+ efree(driver_name);
	+ efree(driver_version);
	+ efree(full_platform);
	+}
	+
	+static void php_phongo_set_handshake_data(zval* driverOptions)
	+{
	+ char* name = NULL;
	+ size_t name_len = 0;
	+ char* version = NULL;
	+ size_t version_len = 0;
	+ char* platform = NULL;
	+ size_t platform_len = 0;
	+
	+ if (driverOptions && php_array_existsc(driverOptions, "driver")) {
	+ zval* driver = php_array_fetchc(driverOptions, "driver");
	+
	+ if (Z_TYPE_P(driver) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"driver\" driver option to be an array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(driver));
	+ return;
	+ }
	+
	+ if (!php_phongo_extract_handshake_data(driver, "name", &name, &name_len)) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_extract_handshake_data(driver, "version", &version, &version_len)) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_extract_handshake_data(driver, "platform", &platform, &platform_len)) {
	+ /* Exception already thrown */
	+ goto cleanup;
	+ }
	+ }
	+
	+ php_phongo_handshake_data_append(name, name_len, version, version_len, platform, platform_len);
	+
	+cleanup:
	+ if (name) {
	+ efree(name);
	+ }
	+ if (version) {
	+ efree(version);
	+ }
	+ if (platform) {
	+ efree(platform);
	+ }
	+}
	+
	+static mongoc_client_t* php_phongo_make_mongo_client(const mongoc_uri_t* uri, zval* driverOptions) /* {{{ */
	+{
	+ const char * mongoc_version, *bson_version;
	+ mongoc_client_t* client;
	+ bson_error_t error = { 0 };
	+
	+#ifdef HAVE_SYSTEM_LIBMONGOC
	+ mongoc_version = mongoc_get_version();
	+#else
	+ mongoc_version = "bundled";
	+#endif
	+
	+#ifdef HAVE_SYSTEM_LIBBSON
	+ bson_version = bson_get_version();
	+#else
	+ bson_version = "bundled";
	+#endif
	+
	+ MONGOC_DEBUG(
	+ "Creating Manager, phongo-%s[%s] - mongoc-%s(%s), libbson-%s(%s), php-%s",
	+ PHP_MONGODB_VERSION,
	+ PHP_MONGODB_STABILITY,
	+ MONGOC_VERSION_S,
	+ mongoc_version,
	+ BSON_VERSION_S,
	+ bson_version,
	+ PHP_VERSION);
	+
	+ php_phongo_set_handshake_data(driverOptions);
	+
	+ if (!(client = mongoc_client_new_from_uri_with_error(uri, &error))) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Failed to parse URI options: %s", error.message);
	+ }
	+
	+ return client;
	+} /* }}} */
	+
	+/* Adds a client to the appropriate registry. Persistent and request-scoped
	+ * clients each have their own registries (i.e. HashTables), which use different
	+ * forms of memory allocation. Both registries are used for PID tracking.
	+ * Returns true if the client was successfully added; otherwise, false. */
	+bool php_phongo_client_register(php_phongo_manager_t* manager)
	+{
	+ bool is_persistent = manager->use_persistent_client;
	+ php_phongo_pclient_t* pclient = pecalloc(1, sizeof(php_phongo_pclient_t), is_persistent);
	+
	+ pclient->client = manager->client;
	+ pclient->created_by_pid = (int) getpid();
	+ pclient->is_persistent = is_persistent;
	+
	+ if (is_persistent) {
	+ MONGOC_DEBUG("Stored persistent client with hash: %s", manager->client_hash);
	+ return zend_hash_str_update_ptr(&MONGODB_G(persistent_clients), manager->client_hash, manager->client_hash_len, pclient) != NULL;
	+ } else {
	+ MONGOC_DEBUG("Stored non-persistent client");
	+ return zend_hash_next_index_insert_ptr(MONGODB_G(request_clients), pclient) != NULL;
	+ }
	+}
	+
	+/* Removes a client from the request-scoped registry. This function is a NOP for
	+ * persistent clients, since they are destroyed along with their registry (i.e.
	+ * HashTable) in GSHUTDOWN. Returns true if the client was successfully removed;
	+ * otherwise, false. */
	+bool php_phongo_client_unregister(php_phongo_manager_t* manager)
	+{
	+ zend_ulong index;
	+ php_phongo_pclient_t* pclient;
	+
	+ /* Persistent clients do not get unregistered. */
	+ if (manager->use_persistent_client) {
	+ MONGOC_DEBUG("Not destroying persistent client for Manager");
	+
	+ return false;
	+ }
	+
	+ /* Ensure the request-scoped registry is initialized. This is needed because
	+ * RSHUTDOWN may occur before a Manager's free_object handler is
	+ * executed. */
	+ if (MONGODB_G(request_clients) == NULL) {
	+ return false;
	+ }
	+
	+ ZEND_HASH_FOREACH_NUM_KEY_PTR(MONGODB_G(request_clients), index, pclient)
	+ {
	+ if (pclient->client == manager->client) {
	+ MONGOC_DEBUG("Destroying non-persistent client for Manager");
	+
	+ return zend_hash_index_del(MONGODB_G(request_clients), index) == SUCCESS;
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+
	+ return false;
	+}
	+
	+static mongoc_client_t* php_phongo_find_persistent_client(const char* hash, size_t hash_len)
	+{
	+ php_phongo_pclient_t* pclient = zend_hash_str_find_ptr(&MONGODB_G(persistent_clients), hash, hash_len);
	+
	+ if (pclient) {
	+ return pclient->client;
	+ }
	+
	+ return NULL;
	+}
	+
	+static bool phongo_manager_set_serverapi_opts(php_phongo_manager_t* manager, zval* driverOptions) /* {{{ */
	+{
	+ zval* zServerApi;
	+ php_phongo_serverapi_t* server_api;
	+ bson_error_t error = { 0 };
	+
	+ if (!driverOptions \|\| !php_array_existsc(driverOptions, "serverApi")) {
	+ return true;
	+ }
	+
	+ zServerApi = php_array_fetch(driverOptions, "serverApi");
	+
	+ if (Z_TYPE_P(zServerApi) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(zServerApi), php_phongo_serverapi_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"serverApi\" driver option to be %s, %s given", ZSTR_VAL(php_phongo_serverapi_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zServerApi));
	+ return false;
	+ }
	+
	+ server_api = Z_SERVERAPI_OBJ_P(zServerApi);
	+
	+ if (!mongoc_client_set_server_api(manager->client, server_api->server_api, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+static bool phongo_manager_set_auto_encryption_opts(php_phongo_manager_t* manager, zval* driverOptions) /* {{{ */
	+{
	+ zval* zAutoEncryptionOpts;
	+ bson_error_t error = { 0 };
	+ mongoc_auto_encryption_opts_t* auto_encryption_opts = NULL;
	+ bool retval = false;
	+
	+ if (!driverOptions \|\| !php_array_existsc(driverOptions, "autoEncryption")) {
	+ return true;
	+ }
	+
	+ zAutoEncryptionOpts = php_array_fetch(driverOptions, "autoEncryption");
	+
	+ if (Z_TYPE_P(zAutoEncryptionOpts) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"autoEncryption\" driver option to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(zAutoEncryptionOpts));
	+ return false;
	+ }
	+
	+ auto_encryption_opts = mongoc_auto_encryption_opts_new();
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "keyVaultClient")) {
	+ zval* key_vault_client = php_array_fetch(zAutoEncryptionOpts, "keyVaultClient");
	+
	+ if (Z_TYPE_P(key_vault_client) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(key_vault_client), php_phongo_manager_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultClient\" encryption option to be %s, %s given", ZSTR_VAL(php_phongo_manager_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(key_vault_client));
	+ goto cleanup;
	+ }
	+
	+ /* Ensure the Manager and keyVaultClient are consistent in their use of
	+ * persistent clients. A non-persistent Manager could theoretically use
	+ * a persistent keyVaultClient, but this prohibition may help prevent
	+ * users from inadvertently creating a persistent keyVaultClient. */
	+ if (manager->use_persistent_client != Z_MANAGER_OBJ_P(key_vault_client)->use_persistent_client) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "The \"disableClientPersistence\" option for a Manager and its \"keyVaultClient\" must be the same");
	+ goto cleanup;
	+ }
	+
	+ mongoc_auto_encryption_opts_set_keyvault_client(auto_encryption_opts, Z_MANAGER_OBJ_P(key_vault_client)->client);
	+
	+ /* Copy the keyVaultClient to the Manager to allow for ref-counting (for
	+ * non-persistent clients) and reset-on-fork behavior. */
	+ ZVAL_ZVAL(&manager->key_vault_client_manager, key_vault_client, 1, 0);
	+ }
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "keyVaultNamespace")) {
	+ char* key_vault_ns;
	+ char* db_name;
	+ char* coll_name;
	+ int plen;
	+ zend_bool pfree;
	+
	+ key_vault_ns = php_array_fetch_string(zAutoEncryptionOpts, "keyVaultNamespace", &plen, &pfree);
	+
	+ if (!phongo_split_namespace(key_vault_ns, &db_name, &coll_name)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"keyVaultNamespace\" encryption option to contain a full collection name");
	+
	+ if (pfree) {
	+ efree(key_vault_ns);
	+ }
	+
	+ goto cleanup;
	+ }
	+
	+ mongoc_auto_encryption_opts_set_keyvault_namespace(auto_encryption_opts, db_name, coll_name);
	+
	+ efree(db_name);
	+ efree(coll_name);
	+
	+ if (pfree) {
	+ efree(key_vault_ns);
	+ }
	+ }
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "kmsProviders")) {
	+ zval* kms_providers = php_array_fetch(zAutoEncryptionOpts, "kmsProviders");
	+ bson_t bson_providers = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(kms_providers) != IS_OBJECT && Z_TYPE_P(kms_providers) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"kmsProviders\" encryption option to be an array or object");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(kms_providers, PHONGO_BSON_NONE, &bson_providers, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_auto_encryption_opts_set_kms_providers(auto_encryption_opts, &bson_providers);
	+
	+ bson_destroy(&bson_providers);
	+ }
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "schemaMap")) {
	+ zval* schema_map = php_array_fetch(zAutoEncryptionOpts, "schemaMap");
	+ bson_t bson_map = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(schema_map) != IS_OBJECT && Z_TYPE_P(schema_map) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"schemaMap\" encryption option to be an array or object");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(schema_map, PHONGO_BSON_NONE, &bson_map, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_auto_encryption_opts_set_schema_map(auto_encryption_opts, &bson_map);
	+
	+ bson_destroy(&bson_map);
	+ }
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "tlsOptions")) {
	+ zval* tls_options = php_array_fetch(zAutoEncryptionOpts, "tlsOptions");
	+ bson_t bson_options = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(tls_options) != IS_OBJECT && Z_TYPE_P(tls_options) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"tlsOptions\" encryption option to be an array or object");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(tls_options, PHONGO_BSON_NONE, &bson_options, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_auto_encryption_opts_set_tls_opts(auto_encryption_opts, &bson_options);
	+
	+ bson_destroy(&bson_options);
	+ }
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "bypassAutoEncryption")) {
	+ zend_bool bypass_auto_encryption = php_array_fetch_bool(zAutoEncryptionOpts, "bypassAutoEncryption");
	+
	+ mongoc_auto_encryption_opts_set_bypass_auto_encryption(auto_encryption_opts, bypass_auto_encryption);
	+ }
	+
	+ if (php_array_existsc(zAutoEncryptionOpts, "extraOptions")) {
	+ zval* extra_options = php_array_fetch(zAutoEncryptionOpts, "extraOptions");
	+ bson_t bson_options = BSON_INITIALIZER;
	+
	+ if (Z_TYPE_P(extra_options) != IS_OBJECT && Z_TYPE_P(extra_options) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"extraOptions\" encryption option to be an array or object");
	+ goto cleanup;
	+ }
	+
	+ php_phongo_zval_to_bson(extra_options, PHONGO_BSON_NONE, &bson_options, NULL);
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ mongoc_auto_encryption_opts_set_extra(auto_encryption_opts, &bson_options);
	+
	+ bson_destroy(&bson_options);
	+ }
	+
	+ if (!mongoc_client_enable_auto_encryption(manager->client, auto_encryption_opts, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ goto cleanup;
	+ }
	+
	+ retval = true;
	+
	+cleanup:
	+ mongoc_auto_encryption_opts_destroy(auto_encryption_opts);
	+ return retval;
	+}
	+/* }}} */
	+#else /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	+static bool phongo_manager_set_auto_encryption_opts(php_phongo_manager_t* manager, zval* driverOptions) /* {{{ */
	+{
	+ if (!driverOptions \|\| !php_array_existsc(driverOptions, "autoEncryption")) {
	+ return true;
	+ }
	+
	+ phongo_throw_exception_no_cse(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot enable automatic field-level encryption.");
	+
	+ return false;
	+}
	+/* }}} */
	+#endif /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	+
	+void phongo_manager_init(php_phongo_manager_t* manager, const char* uri_string, zval* options, zval* driverOptions) /* {{{ */
	+{
	+ bson_t bson_options = BSON_INITIALIZER;
	+ mongoc_uri_t* uri = NULL;
	+#ifdef MONGOC_ENABLE_SSL
	+ mongoc_ssl_opt_t* ssl_opt = NULL;
	+#endif
	+
	+ if (!(manager->client_hash = php_phongo_manager_make_client_hash(uri_string, options, driverOptions, &manager->client_hash_len))) {
	+ /* Exception should already have been thrown and there is nothing to free */
	+ return;
	+ }
	+
	+ if (driverOptions && php_array_existsc(driverOptions, "disableClientPersistence")) {
	+ manager->use_persistent_client = !php_array_fetchc_bool(driverOptions, "disableClientPersistence");
	+ } else {
	+ manager->use_persistent_client = true;
	+ }
	+
	+ if (manager->use_persistent_client && (manager->client = php_phongo_find_persistent_client(manager->client_hash, manager->client_hash_len))) {
	+ MONGOC_DEBUG("Found client for hash: %s", manager->client_hash);
	+ goto cleanup;
	+ }
	+
	+ if (options) {
	+ php_phongo_zval_to_bson(options, PHONGO_BSON_NONE, &bson_options, NULL);
	+ }
	+
	+ /* An exception may be thrown during BSON conversion */
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+
	+ if (!(uri = php_phongo_make_uri(uri_string))) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!php_phongo_apply_options_to_uri(uri, &bson_options) \|\|
	+ !php_phongo_apply_rc_options_to_uri(uri, &bson_options) \|\|
	+ !php_phongo_apply_rp_options_to_uri(uri, &bson_options) \|\|
	+ !php_phongo_apply_wc_options_to_uri(uri, &bson_options)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (!php_phongo_apply_driver_options_to_uri(uri, driverOptions)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ ssl_opt = php_phongo_make_ssl_opt(uri, driverOptions);
	+
	+ /* An exception may be thrown during SSL option creation */
	+ if (EG(exception)) {
	+ goto cleanup;
	+ }
	+#endif
	+
	+ manager->client = php_phongo_make_mongo_client(uri, driverOptions);
	+
	+ if (!manager->client) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ mongoc_client_set_error_api(manager->client, MONGOC_ERROR_API_VERSION_2);
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (ssl_opt) {
	+ mongoc_client_set_ssl_opts(manager->client, ssl_opt);
	+ }
	+#endif
	+
	+ if (!phongo_manager_set_auto_encryption_opts(manager, driverOptions)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!phongo_manager_set_serverapi_opts(manager, driverOptions)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!phongo_apm_set_callbacks(manager->client)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ MONGOC_DEBUG("Created client with hash: %s", manager->client_hash);
	+
	+ /* Register the newly created client in the appropriate registry (for either
	+ * persistent or request-scoped clients). */
	+ if (!php_phongo_client_register(manager)) {
	+ phongo_throw_exception(PHONGO_ERROR_UNEXPECTED_VALUE, "Failed to add Manager client to internal registry");
	+ goto cleanup;
	+ }
	+
	+cleanup:
	+ bson_destroy(&bson_options);
	+
	+ if (uri) {
	+ mongoc_uri_destroy(uri);
	+ }
	+
	+#ifdef MONGOC_ENABLE_SSL
	+ if (ssl_opt) {
	+ php_phongo_free_ssl_opt(ssl_opt);
	+ }
	+#endif
	+} /* }}} */
	+
	+static void phongo_pclient_reset_once(php_phongo_pclient_t* pclient, int pid)
	+{
	+ if (pclient->last_reset_by_pid != pid) {
	+ mongoc_client_reset(pclient->client);
	+ pclient->last_reset_by_pid = pid;
	+ }
	+}
	+
	+/* Resets the libmongoc client if it has not already been reset for the current
	+ * PID (based on information in the hash table of persisted libmongoc clients).
	+ * This ensures that we do not reset a client multiple times from the same child
	+ * process. */
	+void php_phongo_client_reset_once(php_phongo_manager_t* manager, int pid)
	+{
	+ php_phongo_pclient_t* pclient;
	+
	+ /* Reset associated key vault client */
	+ if (!Z_ISUNDEF(manager->key_vault_client_manager)) {
	+ php_phongo_client_reset_once(Z_MANAGER_OBJ_P(&manager->key_vault_client_manager), pid);
	+ }
	+
	+ if (manager->use_persistent_client) {
	+ pclient = zend_hash_str_find_ptr(&MONGODB_G(persistent_clients), manager->client_hash, manager->client_hash_len);
	+
	+ if (pclient) {
	+ phongo_pclient_reset_once(pclient, pid);
	+ }
	+
	+ return;
	+ }
	+
	+ ZEND_HASH_FOREACH_PTR(MONGODB_G(request_clients), pclient)
	+ {
	+ if (pclient->client == manager->client) {
	+ phongo_pclient_reset_once(pclient, pid);
	+
	+ /* Request-scoped clients are only used by a single Manager, so we
	+ * can return early after finding a match. */
	+ return;
	+ }
	+ }
	+ ZEND_HASH_FOREACH_END();
	+}
	+
	+/* Returns whether a Manager exists in the request-scoped registry. If found and
	+ * the output parameter is non-NULL, the Manager's index will be assigned. */
	+static bool php_phongo_manager_exists(php_phongo_manager_t* manager, zend_ulong* index_out)
	+{
	+ zend_ulong index;
	+ php_phongo_manager_t* value;
	+
	+ if (!MONGODB_G(managers) \|\| zend_hash_num_elements(MONGODB_G(managers)) == 0) {
	+ return false;
	+ }
	+
	+ ZEND_HASH_FOREACH_NUM_KEY_PTR(MONGODB_G(managers), index, value)
	+ {
	+ if (value != manager) {
	+ continue;
	+ }
	+
	+ if (index_out) {
	+ *index_out = index;
	+ }
	+
	+ return true;
	+ }
	+ ZEND_HASH_FOREACH_END();
	+
	+ return false;
	+}
	+
	+/* Adds a Manager to the request-scoped registry. Returns true if the Manager
	+ * did not exist and was successfully added; otherwise, returns false. */
	+bool php_phongo_manager_register(php_phongo_manager_t* manager)
	+{
	+ if (!MONGODB_G(managers)) {
	+ return false;
	+ }
	+
	+ if (php_phongo_manager_exists(manager, NULL)) {
	+ return false;
	+ }
	+
	+ return zend_hash_next_index_insert_ptr(MONGODB_G(managers), manager) != NULL;
	+}
	+
	+/* Removes a Manager from the request-scoped registry. Returns true if the
	+ * Manager was found and successfully removed; otherwise, false is returned. */
	+bool php_phongo_manager_unregister(php_phongo_manager_t* manager)
	+{
	+ zend_ulong index;
	+
	+ /* Ensure the registry is initialized. This is needed because RSHUTDOWN may
	+ * occur before a Manager's free_object handler is executed. */
	+ if (!MONGODB_G(managers)) {
	+ return false;
	+ }
	+
	+ if (php_phongo_manager_exists(manager, &index)) {
	+ return zend_hash_index_del(MONGODB_G(managers), index) == SUCCESS;
	+ }
	+
	+ return false;
	+}
	+
	+static void php_phongo_pclient_destroy(php_phongo_pclient_t* pclient)
	+{
	+ /* Do not destroy mongoc_client_t objects created by other processes. This
	+ * ensures that we do not shutdown sockets that may still be in use by our
	+ * parent process (see: PHPC-1522).
	+ *
	+ * This is a leak; however, we are already in GSHUTDOWN for a persistent
	+ * clients. For a request-scoped client, we are either in the Manager's
	+ * free_object handler or RSHUTDOWN, but there the application is capable of
	+ * freeing its Manager and its client before forking. */
	+ if (pclient->created_by_pid == getpid()) {
	+ /* If we are in request shutdown, disable APM to avoid dispatching more
	+ * events. This means that certain events (e.g. TopologyClosedEvent,
	+ * command monitoring for endSessions) may not be observed. */
	+ if (EG(flags) & EG_FLAGS_IN_SHUTDOWN) {
	+ mongoc_client_set_apm_callbacks(pclient->client, NULL, NULL);
	+ }
	+ mongoc_client_destroy(pclient->client);
	+ }
	+
	+ /* Persistent and request-scoped clients use different memory allocation */
	+ pefree(pclient, pclient->is_persistent);
	+}
	+
	+void php_phongo_pclient_destroy_ptr(zval* ptr)
	+{
	+ php_phongo_pclient_destroy(Z_PTR_P(ptr));
	+}
	diff --git a/mongodb-1.13.0/src/phongo_client.h b/mongodb-1.13.0/src/phongo_client.h
	new file mode 100644
	index 00000000..4851fd2b
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_client.h
	@@ -0,0 +1,43 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_CLIENT_H
	+#define PHONGO_CLIENT_H
	+
	+#include <php.h>
	+
	+#include "phongo_classes.h"
	+
	+void phongo_manager_init(php_phongo_manager_t* manager, const char* uri_string, zval* options, zval* driverOptions);
	+
	+void php_phongo_client_reset_once(php_phongo_manager_t* manager, int pid);
	+bool php_phongo_client_register(php_phongo_manager_t* manager);
	+bool php_phongo_client_unregister(php_phongo_manager_t* manager);
	+
	+bool php_phongo_manager_register(php_phongo_manager_t* manager);
	+bool php_phongo_manager_unregister(php_phongo_manager_t* manager);
	+
	+void php_phongo_pclient_destroy_ptr(zval* ptr);
	+
	+#define PHONGO_RESET_CLIENT_IF_PID_DIFFERS(intern, manager) \
	+ do { \
	+ int pid = (int) getpid(); \
	+ if ((intern)->created_by_pid != pid) { \
	+ php_phongo_client_reset_once((manager), pid); \
	+ } \
	+ } while (0)
	+
	+#endif /* PHONGO_CLIENT_H */
	diff --git a/mongodb-1.13.0/src/phongo_compat.c b/mongodb-1.13.0/src/phongo_compat.c
	new file mode 100644
	index 00000000..08cf9d10
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_compat.c
	@@ -0,0 +1,69 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include <php.h>
	+
	+#ifdef ZEND_HASH_GET_APPLY_COUNT /* PHP 7.2 or earlier recursion protection */
	+zend_bool php_phongo_zend_hash_apply_protection_begin(HashTable* ht)
	+{
	+ if (!ht) {
	+ return 1;
	+ }
	+ if (ZEND_HASH_GET_APPLY_COUNT(ht) > 0) {
	+ return 0;
	+ }
	+ if (ZEND_HASH_APPLY_PROTECTION(ht)) {
	+ ZEND_HASH_INC_APPLY_COUNT(ht);
	+ }
	+ return 1;
	+}
	+
	+zend_bool php_phongo_zend_hash_apply_protection_end(HashTable* ht)
	+{
	+ if (!ht) {
	+ return 1;
	+ }
	+ if (ZEND_HASH_GET_APPLY_COUNT(ht) == 0) {
	+ return 0;
	+ }
	+ if (ZEND_HASH_APPLY_PROTECTION(ht)) {
	+ ZEND_HASH_DEC_APPLY_COUNT(ht);
	+ }
	+ return 1;
	+}
	+#else /* PHP 7.3 or later */
	+zend_bool php_phongo_zend_hash_apply_protection_begin(zend_array* ht)
	+{
	+ if (GC_IS_RECURSIVE(ht)) {
	+ return 0;
	+ }
	+ if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
	+ GC_PROTECT_RECURSION(ht);
	+ }
	+ return 1;
	+}
	+
	+zend_bool php_phongo_zend_hash_apply_protection_end(zend_array* ht)
	+{
	+ if (!GC_IS_RECURSIVE(ht)) {
	+ return 0;
	+ }
	+ if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
	+ GC_UNPROTECT_RECURSION(ht);
	+ }
	+ return 1;
	+}
	+#endif
	diff --git a/mongodb-1.13.0/src/phongo_compat.h b/mongodb-1.13.0/src/phongo_compat.h
	new file mode 100644
	index 00000000..0345e66d
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_compat.h
	@@ -0,0 +1,257 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_COMPAT_H
	+#define PHONGO_COMPAT_H
	+
	+#include <php.h>
	+#include <Zend/zend_string.h>
	+#include <Zend/zend_portability.h>
	+
	+#ifdef PHP_WIN32
	+#include "config.w32.h"
	+#else
	+#include <php_config.h>
	+#endif
	+
	+#ifndef PHP_FE_END
	+#define PHP_FE_END \
	+ { \
	+ NULL, NULL, NULL \
	+ }
	+#endif
	+
	+#ifndef HASH_KEY_NON_EXISTENT
	+#define HASH_KEY_NON_EXISTENT HASH_KEY_NON_EXISTANT
	+#endif
	+
	+#if defined(__GNUC__)
	+#define ARG_UNUSED __attribute__((unused))
	+#else
	+#define ARG_UNUSED
	+#endif
	+
	+#if defined(__GNUC__)
	+#define PHONGO_GNUC_CHECK_VERSION(major, minor) \
	+ ((__GNUC__ > (major)) \|\| \
	+ ((__GNUC__ == (major)) && (__GNUC_MINOR__ >= (minor))))
	+#else
	+#define PHONGO_GNUC_CHECK_VERSION(major, minor) 0
	+#endif
	+
	+#if PHONGO_GNUC_CHECK_VERSION(7, 0)
	+#define PHONGO_BREAK_INTENTIONALLY_MISSING __attribute__((fallthrough));
	+#elif defined(__clang__) && __clang_major__ >= 12
	+#define PHONGO_BREAK_INTENTIONALLY_MISSING __attribute__((fallthrough));
	+#else
	+#define PHONGO_BREAK_INTENTIONALLY_MISSING
	+#endif
	+
	+#if PHP_VERSION_ID >= 80000
	+#define PHONGO_COMPAT_OBJ_P(val) Z_OBJ_P(val)
	+#define phongo_compat_object_handler_type zend_object
	+#define PHONGO_COMPAT_GET_OBJ(val) val
	+#define PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(type) php_phongo_handler_##type.compare = php_phongo_##type##_compare_objects;
	+#else /* PHP_VERSION_ID < 80000 */
	+#define PHONGO_COMPAT_OBJ_P(val) val
	+#define phongo_compat_object_handler_type zval
	+#define PHONGO_COMPAT_GET_OBJ(val) Z_OBJ_P(val)
	+#define PHONGO_COMPAT_SET_COMPARE_OBJECTS_HANDLER(type) php_phongo_handler_##type.compare_objects = php_phongo_##type##_compare_objects;
	+#define ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2)
	+#endif /* PHP_VERSION_ID >= 80000 */
	+
	+#if SIZEOF_ZEND_LONG == 8
	+#define PHONGO_LONG_FORMAT PRId64
	+#elif SIZEOF_ZEND_LONG == 4
	+#define PHONGO_LONG_FORMAT PRId32
	+#else
	+#error Unsupported architecture (integers are neither 32-bit nor 64-bit)
	+#endif
	+
	+#if PHP_VERSION_ID < 70300
	+#define zend_object_alloc(obj_size, ce) ecalloc(1, obj_size + zend_object_properties_size(ce))
	+#endif
	+
	+#define ADD_ASSOC_STRING(_zv, _key, _value) add_assoc_string_ex(_zv, ZEND_STRL(_key), (char*) (_value));
	+#define ADD_ASSOC_STRINGL(_zv, _key, _value, _len) add_assoc_stringl_ex(_zv, ZEND_STRL(_key), (char*) (_value), _len);
	+#define ADD_ASSOC_STRING_EX(_zv, _key, _key_len, _value, _value_len) add_assoc_stringl_ex(_zv, _key, _key_len, (char*) (_value), _value_len);
	+#define ADD_ASSOC_LONG_EX(_zv, _key, _value) add_assoc_long_ex(_zv, ZEND_STRL(_key), _value);
	+#define ADD_ASSOC_ZVAL_EX(_zv, _key, _value) add_assoc_zval_ex(_zv, ZEND_STRL(_key), _value);
	+#define ADD_ASSOC_ZVAL(_zv, _key, _value) add_assoc_zval(_zv, _key, _value);
	+#define ADD_ASSOC_NULL_EX(_zv, _key) add_assoc_null_ex(_zv, ZEND_STRL(_key));
	+#define ADD_ASSOC_BOOL_EX(_zv, _key, _value) add_assoc_bool_ex(_zv, ZEND_STRL(_key), _value);
	+#define ZVAL_INT64_STRING(_zv, _value) \
	+ do { \
	+ char tmp[24]; \
	+ int tmp_len; \
	+ tmp_len = snprintf(tmp, sizeof(tmp), "%" PRId64, (_value)); \
	+ ZVAL_STRINGL((_zv), tmp, tmp_len); \
	+ } while (0)
	+#define ADD_ASSOC_INT64_AS_STRING(_zv, _key, _value) \
	+ do { \
	+ zval z_int; \
	+ ZVAL_INT64_STRING(&z_int, (_value)); \
	+ ADD_ASSOC_ZVAL_EX((_zv), (_key), &z_int); \
	+ } while (0)
	+#define ADD_NEXT_INDEX_STRINGL(_zv, _value, _len) add_next_index_stringl(_zv, _value, _len);
	+#define PHONGO_RETVAL_SMART_STR(val) RETVAL_STRINGL(ZSTR_VAL((val).s), ZSTR_LEN((val).s));
	+#define ZVAL_STATIC_INIT \
	+ { \
	+ { \
	+ 0 \
	+ } \
	+ }
	+
	+#if SIZEOF_ZEND_LONG == 8
	+#define ADD_INDEX_INT64(_zv, _index, _value) add_index_long((_zv), (_index), (_value))
	+#define ADD_NEXT_INDEX_INT64(_zv, _value) add_next_index_long((_zv), (_value))
	+#define ADD_ASSOC_INT64(_zv, _key, _value) add_assoc_long((_zv), (_key), (_value))
	+#define ZVAL_INT64(_zv, _value) ZVAL_LONG((_zv), (_value))
	+#elif SIZEOF_ZEND_LONG == 4
	+#define ADD_INDEX_INT64(_zv, _index, _value) \
	+ if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	+ zval zchild; \
	+ php_phongo_bson_new_int64(&zchild, (_value)); \
	+ add_index_zval((_zv), (_index), &zchild); \
	+ } else { \
	+ add_index_long((_zv), (_index), (_value)); \
	+ }
	+#define ADD_NEXT_INDEX_INT64(_zv, _value) \
	+ if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	+ zval zchild; \
	+ php_phongo_bson_new_int64(&zchild, (_value)); \
	+ add_next_index_zval((_zv), &zchild); \
	+ } else { \
	+ add_next_index_long((_zv), (_value)); \
	+ }
	+#define ADD_ASSOC_INT64(_zv, _key, _value) \
	+ if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	+ zval zchild; \
	+ php_phongo_bson_new_int64(&zchild, (_value)); \
	+ add_assoc_zval((_zv), (_key), &zchild); \
	+ } else { \
	+ add_assoc_long((_zv), (_key), (_value)); \
	+ }
	+#define ZVAL_INT64(_zv, _value) \
	+ if ((_value) > INT32_MAX \|\| (_value) < INT32_MIN) { \
	+ php_phongo_bson_new_int64((_zv), (_value)); \
	+ } else { \
	+ ZVAL_LONG((_zv), (_value)); \
	+ }
	+#else /* SIZEOF_ZEND_LONG != 8 && SIZEOF_ZEND_LONG != 4 */
	+#error Unsupported architecture (integers are neither 32-bit nor 64-bit)
	+#endif /* SIZEOF_ZEND_LONG */
	+
	+#if PHP_VERSION_ID < 70300
	+#define ZVAL_COPY_DEREF(z, v) \
	+ do { \
	+ zval* _z3 = (v); \
	+ if (Z_OPT_REFCOUNTED_P(_z3)) { \
	+ if (UNEXPECTED(Z_OPT_ISREF_P(_z3))) { \
	+ _z3 = Z_REFVAL_P(_z3); \
	+ if (Z_OPT_REFCOUNTED_P(_z3)) { \
	+ Z_ADDREF_P(_z3); \
	+ } \
	+ } else { \
	+ Z_ADDREF_P(_z3); \
	+ } \
	+ } \
	+ ZVAL_COPY_VALUE(z, _z3); \
	+ } while (0)
	+#endif /* PHP_VERSION_ID < 70300 */
	+
	+#if PHP_VERSION_ID < 70300
	+static inline zend_bool zend_ini_parse_bool(zend_string* str)
	+{
	+ if (zend_string_equals_literal_ci(str, "true") \|\|
	+ zend_string_equals_literal_ci(str, "yes") \|\|
	+ zend_string_equals_literal_ci(str, "on")) {
	+ return 1;
	+ } else {
	+ return atoi(ZSTR_VAL(str)) != 0;
	+ }
	+}
	+#endif /* PHP_VERSION_ID < 70300 */
	+
	+/* Compatibility macros to override error handling logic */
	+#define PHONGO_PARSE_PARAMETERS_START(min_num_args, max_num_args) \
	+ do { \
	+ zend_error_handling error_handling; \
	+ zend_replace_error_handling( \
	+ EH_THROW, \
	+ phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), \
	+ &error_handling); \
	+ ZEND_PARSE_PARAMETERS_START(min_num_args, max_num_args)
	+
	+#define PHONGO_PARSE_PARAMETERS_END() \
	+ ZEND_PARSE_PARAMETERS_END_EX( \
	+ zend_restore_error_handling(&error_handling); \
	+ return ); \
	+ zend_restore_error_handling(&error_handling); \
	+ } \
	+ while (0)
	+
	+#ifndef ZEND_PARSE_PARAMETERS_NONE
	+#define PHONGO_PARSE_PARAMETERS_NONE() \
	+ do { \
	+ zend_error_handling error_handling; \
	+ zend_replace_error_handling( \
	+ EH_THROW, \
	+ phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), \
	+ &error_handling); \
	+ if (zend_parse_parameters_none() == FAILURE) { \
	+ zend_restore_error_handling(&error_handling); \
	+ return; \
	+ } \
	+ zend_restore_error_handling(&error_handling); \
	+ } while (0)
	+#else
	+#define PHONGO_PARSE_PARAMETERS_NONE() \
	+ do { \
	+ zend_error_handling error_handling; \
	+ zend_replace_error_handling( \
	+ EH_THROW, \
	+ phongo_exception_from_phongo_domain(PHONGO_ERROR_INVALID_ARGUMENT), \
	+ &error_handling); \
	+ if (UNEXPECTED(ZEND_NUM_ARGS() != 0)) { \
	+ zend_wrong_parameters_none_error(); \
	+ zend_restore_error_handling(&error_handling); \
	+ return; \
	+ } \
	+ zend_restore_error_handling(&error_handling); \
	+ } while (0)
	+#endif
	+
	+/* Z_PARAM_OBJECT_OF_CLASS_OR_NULL was introduced in PHP 8.0.
	+ * See: https://github.com/php/php-src/commit/e93d20ad7ebc1075ef1248a663935ee5ea69f1cd */
	+#ifndef Z_PARAM_OBJECT_OF_CLASS_OR_NULL
	+#define Z_PARAM_OBJECT_OF_CLASS_OR_NULL(dest, _ce) \
	+ Z_PARAM_OBJECT_OF_CLASS_EX(dest, _ce, 1, 0)
	+#endif
	+
	+/* Per https://wiki.php.net/rfc/internal_method_return_types, "Non-final
	+ * internal method return types - when possible - are declared tentatively in
	+ * PHP 8.1, and they will become enforced in PHP 9.0." This can be revisited
	+ * when more general typing improvements are made in PHPC-1709. */
	+#ifndef ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX
	+#define ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null) \
	+ ZEND_BEGIN_ARG_INFO_EX(name, 0, return_reference, required_num_args)
	+#endif
	+
	+zend_bool php_phongo_zend_hash_apply_protection_begin(HashTable* ht);
	+zend_bool php_phongo_zend_hash_apply_protection_end(HashTable* ht);
	+
	+#endif /* PHONGO_COMPAT_H */
	diff --git a/mongodb-1.13.0/src/phongo_error.c b/mongodb-1.13.0/src/phongo_error.c
	new file mode 100644
	index 00000000..bd49b7f4
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_error.c
	@@ -0,0 +1,218 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_exceptions.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+
	+/* This constant is used for determining if a server error for an exceeded query
	+ * or command should select ExecutionTimeoutException. */
	+#define PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT 50
	+
	+void phongo_add_exception_prop(const char* prop, int prop_len, zval* value)
	+{
	+ if (EG(exception)) {
	+ zval ex;
	+ ZVAL_OBJ(&ex, EG(exception));
	+ zend_update_property(Z_OBJCE(ex), PHONGO_COMPAT_OBJ_P(&ex), prop, prop_len, value);
	+ }
	+}
	+
	+zend_class_entry* phongo_exception_from_phongo_domain(php_phongo_error_domain_t domain)
	+{
	+ switch (domain) {
	+ case PHONGO_ERROR_INVALID_ARGUMENT:
	+ return php_phongo_invalidargumentexception_ce;
	+ case PHONGO_ERROR_LOGIC:
	+ return php_phongo_logicexception_ce;
	+ case PHONGO_ERROR_RUNTIME:
	+ return php_phongo_runtimeexception_ce;
	+ case PHONGO_ERROR_UNEXPECTED_VALUE:
	+ return php_phongo_unexpectedvalueexception_ce;
	+ case PHONGO_ERROR_MONGOC_FAILED:
	+ return php_phongo_runtimeexception_ce;
	+ case PHONGO_ERROR_CONNECTION_FAILED:
	+ return php_phongo_connectionexception_ce;
	+ }
	+
	+ MONGOC_ERROR("Resolving unknown phongo error domain: %d", domain);
	+ return php_phongo_runtimeexception_ce;
	+}
	+
	+zend_class_entry* phongo_exception_from_mongoc_domain(mongoc_error_domain_t domain, mongoc_error_code_t code)
	+{
	+ if (domain == MONGOC_ERROR_CLIENT) {
	+ if (code == MONGOC_ERROR_CLIENT_AUTHENTICATE) {
	+ return php_phongo_authenticationexception_ce;
	+ }
	+
	+ if (code == MONGOC_ERROR_CLIENT_INVALID_ENCRYPTION_ARG) {
	+ return php_phongo_invalidargumentexception_ce;
	+ }
	+ }
	+
	+ if (domain == MONGOC_ERROR_COMMAND && code == MONGOC_ERROR_COMMAND_INVALID_ARG) {
	+ return php_phongo_invalidargumentexception_ce;
	+ }
	+
	+ if (domain == MONGOC_ERROR_SERVER) {
	+ if (code == PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT) {
	+ return php_phongo_executiontimeoutexception_ce;
	+ }
	+
	+ return php_phongo_serverexception_ce;
	+ }
	+
	+ if (domain == MONGOC_ERROR_SERVER_SELECTION && code == MONGOC_ERROR_SERVER_SELECTION_FAILURE) {
	+ return php_phongo_connectiontimeoutexception_ce;
	+ }
	+
	+ if (domain == MONGOC_ERROR_STREAM) {
	+ if (code == MONGOC_ERROR_STREAM_SOCKET) {
	+ return php_phongo_connectiontimeoutexception_ce;
	+ }
	+
	+ return php_phongo_connectionexception_ce;
	+ }
	+
	+ if (domain == MONGOC_ERROR_WRITE_CONCERN) {
	+ return php_phongo_serverexception_ce;
	+ }
	+
	+ if (domain == MONGOC_ERROR_PROTOCOL && code == MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION) {
	+ return php_phongo_connectionexception_ce;
	+ }
	+
	+ if (domain == MONGOC_ERROR_CLIENT_SIDE_ENCRYPTION) {
	+ return php_phongo_encryptionexception_ce;
	+ }
	+
	+ return php_phongo_runtimeexception_ce;
	+}
	+
	+void phongo_throw_exception(php_phongo_error_domain_t domain, const char* format, ...)
	+{
	+ va_list args;
	+ char* message;
	+ int message_len;
	+
	+ va_start(args, format);
	+ message_len = vspprintf(&message, 0, format, args);
	+ zend_throw_exception(phongo_exception_from_phongo_domain(domain), message, 0);
	+ efree(message);
	+ va_end(args);
	+}
	+
	+static int phongo_exception_append_error_labels(zval* labels, const bson_iter_t* iter)
	+{
	+ bson_iter_t error_labels;
	+ uint32_t label_count = 0;
	+
	+ if (!BSON_ITER_HOLDS_ARRAY(iter) \|\| !bson_iter_recurse(iter, &error_labels)) {
	+ return label_count;
	+ }
	+
	+ while (bson_iter_next(&error_labels)) {
	+ if (BSON_ITER_HOLDS_UTF8(&error_labels)) {
	+ const char* error_label;
	+ uint32_t error_label_len;
	+
	+ error_label = bson_iter_utf8(&error_labels, &error_label_len);
	+ ADD_NEXT_INDEX_STRINGL(labels, error_label, error_label_len);
	+ label_count++;
	+ }
	+ }
	+
	+ return label_count;
	+}
	+
	+void phongo_exception_add_error_labels(const bson_t* reply)
	+{
	+ bson_iter_t iter, child;
	+ zval labels;
	+ uint32_t label_count = 0;
	+
	+ if (!reply) {
	+ return;
	+ }
	+
	+ array_init(&labels);
	+
	+ if (bson_iter_init_find(&iter, reply, "errorLabels")) {
	+ label_count += phongo_exception_append_error_labels(&labels, &iter);
	+ }
	+
	+ if (bson_iter_init_find(&iter, reply, "writeConcernError") && BSON_ITER_HOLDS_DOCUMENT(&iter) &&
	+ bson_iter_recurse(&iter, &child) && bson_iter_find(&child, "errorLabels")) {
	+ label_count += phongo_exception_append_error_labels(&labels, &child);
	+ }
	+
	+ /* mongoc_write_result_t always reports writeConcernErrors in an array, so
	+ * we must iterate this to collect WCE labels for BulkWrite replies. */
	+ if (bson_iter_init_find(&iter, reply, "writeConcernErrors") && BSON_ITER_HOLDS_ARRAY(&iter) && bson_iter_recurse(&iter, &child)) {
	+ bson_iter_t wce;
	+
	+ while (bson_iter_next(&child)) {
	+ if (BSON_ITER_HOLDS_DOCUMENT(&child) && bson_iter_recurse(&child, &wce) && bson_iter_find(&wce, "errorLabels")) {
	+ label_count += phongo_exception_append_error_labels(&labels, &wce);
	+ }
	+ }
	+ }
	+
	+ if (label_count > 0) {
	+ phongo_add_exception_prop(ZEND_STRL("errorLabels"), &labels);
	+ }
	+
	+ zval_ptr_dtor(&labels);
	+}
	+
	+void phongo_throw_exception_from_bson_error_t_and_reply(bson_error_t* error, const bson_t* reply)
	+{
	+ /* Server errors (other than ExceededTimeLimit) and write concern errors
	+ * may use CommandException and report the result document for the
	+ * failed command. For BC, ExceededTimeLimit errors will continue to use
	+ * ExcecutionTimeoutException and omit the result document. */
	+ if (reply && ((error->domain == MONGOC_ERROR_SERVER && error->code != PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT) \|\| error->domain == MONGOC_ERROR_WRITE_CONCERN)) {
	+ zval zv;
	+
	+ zend_throw_exception(php_phongo_commandexception_ce, error->message, error->code);
	+ if (php_phongo_bson_to_zval(bson_get_data(reply), reply->len, &zv)) {
	+ phongo_add_exception_prop(ZEND_STRL("resultDocument"), &zv);
	+ }
	+
	+ zval_ptr_dtor(&zv);
	+ } else {
	+ zend_throw_exception(phongo_exception_from_mongoc_domain(error->domain, error->code), error->message, error->code);
	+ }
	+ phongo_exception_add_error_labels(reply);
	+}
	+
	+void phongo_throw_exception_from_bson_error_t(bson_error_t* error)
	+{
	+ phongo_throw_exception_from_bson_error_t_and_reply(error, NULL);
	+}
	+
	+#ifndef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+void phongo_throw_exception_no_cse(php_phongo_error_domain_t domain, const char* message) /* {{{ */
	+{
	+ phongo_throw_exception(domain, "%s Please recompile with support for libmongocrypt using the with-mongodb-client-side-encryption configure switch.", message);
	+}
	+#endif /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	diff --git a/mongodb-1.13.0/src/phongo_error.h b/mongodb-1.13.0/src/phongo_error.h
	new file mode 100644
	index 00000000..1d90d2de
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_error.h
	@@ -0,0 +1,44 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_ERROR_H
	+#define PHONGO_ERROR_H
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+typedef enum {
	+ PHONGO_ERROR_INVALID_ARGUMENT = 1,
	+ PHONGO_ERROR_RUNTIME = 2,
	+ PHONGO_ERROR_UNEXPECTED_VALUE = 8,
	+ PHONGO_ERROR_MONGOC_FAILED = 3,
	+ PHONGO_ERROR_CONNECTION_FAILED = 7,
	+ PHONGO_ERROR_LOGIC = 9
	+} php_phongo_error_domain_t;
	+
	+void phongo_add_exception_prop(const char* prop, int prop_len, zval* value);
	+zend_class_entry* phongo_exception_from_mongoc_domain(mongoc_error_domain_t domain, mongoc_error_code_t code);
	+zend_class_entry* phongo_exception_from_phongo_domain(php_phongo_error_domain_t domain);
	+void phongo_exception_add_error_labels(const bson_t* reply);
	+void phongo_throw_exception(php_phongo_error_domain_t domain, const char* format, ...);
	+void phongo_throw_exception_from_bson_error_t(bson_error_t* error);
	+void phongo_throw_exception_from_bson_error_t_and_reply(bson_error_t* error, const bson_t* reply);
	+
	+#ifndef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
	+void phongo_throw_exception_no_cse(php_phongo_error_domain_t domain, const char* message);
	+#endif /* MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION */
	+
	+#endif /* PHONGO_ERROR_H */
	diff --git a/mongodb-1.13.0/src/phongo_execute.c b/mongodb-1.13.0/src/phongo_execute.c
	new file mode 100644
	index 00000000..48b2f8d4
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_execute.c
	@@ -0,0 +1,621 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <Zend/zend_exceptions.h>
	+
	+#include "php_array_api.h"
	+
	+#include "php_phongo.h"
	+#include "phongo_error.h"
	+#include "phongo_execute.h"
	+#include "phongo_util.h"
	+
	+#include "MongoDB/Cursor.h"
	+#include "MongoDB/ReadPreference.h"
	+#include "MongoDB/Session.h"
	+#include "MongoDB/WriteResult.h"
	+
	+static void phongo_cursor_init(zval* return_value, zval* manager, mongoc_cursor_t* cursor, zval* readPreference, zval* session) /* {{{ */
	+{
	+ php_phongo_cursor_t* intern;
	+
	+ object_init_ex(return_value, php_phongo_cursor_ce);
	+
	+ intern = Z_CURSOR_OBJ_P(return_value);
	+ intern->cursor = cursor;
	+ intern->server_id = mongoc_cursor_get_hint(cursor);
	+ intern->advanced = false;
	+ intern->current = 0;
	+
	+ ZVAL_ZVAL(&intern->manager, manager, 1, 0);
	+
	+ if (readPreference) {
	+ ZVAL_ZVAL(&intern->read_preference, readPreference, 1, 0);
	+ }
	+
	+ if (session) {
	+ ZVAL_ZVAL(&intern->session, session, 1, 0);
	+ }
	+} /* }}} */
	+
	+static void phongo_cursor_init_for_command(zval* return_value, zval* manager, mongoc_cursor_t* cursor, const char* db, zval* command, zval* readPreference, zval* session) /* {{{ */
	+{
	+ php_phongo_cursor_t* intern;
	+
	+ phongo_cursor_init(return_value, manager, cursor, readPreference, session);
	+ intern = Z_CURSOR_OBJ_P(return_value);
	+
	+ intern->database = estrdup(db);
	+
	+ ZVAL_ZVAL(&intern->command, command, 1, 0);
	+} /* }}} */
	+
	+static void phongo_cursor_init_for_query(zval* return_value, zval* manager, mongoc_cursor_t* cursor, const char* namespace, zval* query, zval* readPreference, zval* session) /* {{{ */
	+{
	+ php_phongo_cursor_t* intern;
	+
	+ phongo_cursor_init(return_value, manager, cursor, readPreference, session);
	+ intern = Z_CURSOR_OBJ_P(return_value);
	+
	+ /* namespace has already been validated by phongo_execute_query() */
	+ phongo_split_namespace(namespace, &intern->database, &intern->collection);
	+
	+ /* cursor has already been advanced by phongo_execute_query() calling
	+ * phongo_cursor_advance_and_check_for_error() */
	+ intern->advanced = true;
	+
	+ ZVAL_ZVAL(&intern->query, query, 1, 0);
	+} /* }}} */
	+
	+static bson_t* create_wrapped_command_envelope(const char* db, bson_t* reply)
	+{
	+ bson_t* tmp;
	+ size_t max_ns_len = strlen(db) + 5 + 1; /* db + ".$cmd" + '\0' */
	+ char* ns = emalloc(max_ns_len);
	+
	+ snprintf(ns, max_ns_len, "%s.$cmd", db);
	+ tmp = BCON_NEW("cursor", "{", "id", BCON_INT64(0), "ns", BCON_UTF8(ns), "firstBatch", "[", BCON_DOCUMENT(reply), "]", "}");
	+ efree(ns);
	+
	+ return tmp;
	+}
	+
	+static zval* phongo_create_implicit_session(zval* manager) /* {{{ */
	+{
	+ mongoc_client_session_t* cs;
	+ zval* zsession;
	+
	+ cs = mongoc_client_start_session(Z_MANAGER_OBJ_P(manager)->client, NULL, NULL);
	+
	+ if (!cs) {
	+ return NULL;
	+ }
	+
	+ zsession = ecalloc(1, sizeof(zval));
	+
	+ phongo_session_init(zsession, manager, cs);
	+
	+ return zsession;
	+} /* }}} */
	+
	+/* Parses the "readConcern" option for an execute method. If mongoc_opts is not
	+ * NULL, the option will be appended. On error, false is returned and an
	+ * exception is thrown. */
	+static bool phongo_parse_read_concern(zval* options, bson_t* mongoc_opts) /* {{{ */
	+{
	+ zval* option = NULL;
	+ mongoc_read_concern_t* read_concern;
	+
	+ if (!options) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(options) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	+ return false;
	+ }
	+
	+ option = php_array_fetchc(options, "readConcern");
	+
	+ if (!option) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_readconcern_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	+ return false;
	+ }
	+
	+ read_concern = Z_READCONCERN_OBJ_P(option)->read_concern;
	+
	+ if (mongoc_opts && !mongoc_read_concern_append(read_concern, mongoc_opts)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"readConcern\" option");
	+ return false;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Parses the "readPreference" option for an execute method. If zreadPreference
	+ * is not NULL, it will be assigned to the option. On error, false is returned
	+ * and an exception is thrown. */
	+bool phongo_parse_read_preference(zval* options, zval** zreadPreference) /* {{{ */
	+{
	+ zval* option = NULL;
	+
	+ if (!options) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(options) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	+ return false;
	+ }
	+
	+ option = php_array_fetchc(options, "readPreference");
	+
	+ if (!option) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_readpreference_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readPreference\" option to be %s, %s given", ZSTR_VAL(php_phongo_readpreference_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	+ return false;
	+ }
	+
	+ if (zreadPreference) {
	+ *zreadPreference = option;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Parses the "session" option for an execute method. The client object should
	+ * correspond to the Manager executing the operation and will be used to ensure
	+ * that the session is correctly associated with that client. If mongoc_opts is
	+ * not NULL, the option will be appended. If zsession is not NULL, it will be
	+ * assigned to the option. On error, false is returned and an exception is
	+ * thrown. */
	+bool phongo_parse_session(zval* options, mongoc_client_t* client, bson_t* mongoc_opts, zval** zsession) /* {{{ */
	+{
	+ zval* option = NULL;
	+ const mongoc_client_session_t* client_session;
	+
	+ if (!options) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(options) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	+ return false;
	+ }
	+
	+ option = php_array_fetchc(options, "session");
	+
	+ if (!option) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_session_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"session\" option to be %s, %s given", ZSTR_VAL(php_phongo_session_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	+ return false;
	+ }
	+
	+ client_session = Z_SESSION_OBJ_P(option)->client_session;
	+
	+ if (client != mongoc_client_session_get_client(client_session)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use Session started from a different Manager");
	+ return false;
	+ }
	+
	+ if (mongoc_opts && !mongoc_client_session_append(client_session, mongoc_opts, NULL)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"session\" option");
	+ return false;
	+ }
	+
	+ if (zsession) {
	+ *zsession = option;
	+ }
	+
	+ return true;
	+} /* }}} */
	+
	+/* Parses the "writeConcern" option for an execute method. If mongoc_opts is not
	+ * NULL, the option will be appended. If zwriteConcern is not NULL, it will be
	+ * assigned to the option. On error, false is returned and an exception is
	+ * thrown. */
	+static bool phongo_parse_write_concern(zval* options, bson_t* mongoc_opts, zval** zwriteConcern) /* {{{ */
	+{
	+ zval* option = NULL;
	+ mongoc_write_concern_t* write_concern;
	+
	+ if (!options) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(options) != IS_ARRAY) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
	+ return false;
	+ }
	+
	+ option = php_array_fetchc(options, "writeConcern");
	+
	+ if (!option) {
	+ return true;
	+ }
	+
	+ if (Z_TYPE_P(option) != IS_OBJECT \|\| !instanceof_function(Z_OBJCE_P(option), php_phongo_writeconcern_ce)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"writeConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_writeconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
	+ return false;
	+ }
	+
	+ write_concern = Z_WRITECONCERN_OBJ_P(option)->write_concern;
	+
	+ if (mongoc_opts && !mongoc_write_concern_append(write_concern, mongoc_opts)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"writeConcern\" option");
	+ return false;
	+ }
	+
	+ if (zwriteConcern) {
	+ *zwriteConcern = option;
	+ }
	+
	+ return true;
	+}
	+
	+bool phongo_execute_bulk_write(zval* manager, const char* namespace, php_phongo_bulkwrite_t* bulk_write, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
	+{
	+ mongoc_client_t* client = NULL;
	+ bson_error_t error = { 0 };
	+ int success;
	+ bson_t reply = BSON_INITIALIZER;
	+ mongoc_bulk_operation_t* bulk = bulk_write->bulk;
	+ php_phongo_writeresult_t* writeresult;
	+ zval* zwriteConcern = NULL;
	+ zval* zsession = NULL;
	+ const mongoc_write_concern_t* write_concern = NULL;
	+
	+ client = Z_MANAGER_OBJ_P(manager)->client;
	+
	+ if (bulk_write->executed) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "BulkWrite objects may only be executed once and this instance has already been executed");
	+ return false;
	+ }
	+
	+ if (!phongo_split_namespace(namespace, &bulk_write->database, &bulk_write->collection)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s: %s", "Invalid namespace provided", namespace);
	+ return false;
	+ }
	+
	+ if (!phongo_parse_session(options, client, NULL, &zsession)) {
	+ /* Exception should already have been thrown */
	+ return false;
	+ }
	+
	+ if (!phongo_parse_write_concern(options, NULL, &zwriteConcern)) {
	+ /* Exception should already have been thrown */
	+ return false;
	+ }
	+
	+ /* If a write concern was not specified, libmongoc will use the client's
	+ * write concern; however, we should still fetch it for the write result.
	+ * Additionally, we need to check if an unacknowledged write concern would
	+ * conflict with an explicit session. */
	+ write_concern = zwriteConcern ? Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern : mongoc_client_get_write_concern(client);
	+
	+ if (zsession && !mongoc_write_concern_is_acknowledged(write_concern)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot combine \"session\" option with an unacknowledged write concern");
	+ return false;
	+ }
	+
	+ mongoc_bulk_operation_set_database(bulk, bulk_write->database);
	+ mongoc_bulk_operation_set_collection(bulk, bulk_write->collection);
	+ mongoc_bulk_operation_set_client(bulk, client);
	+ mongoc_bulk_operation_set_hint(bulk, server_id);
	+
	+ if (zsession) {
	+ ZVAL_ZVAL(&bulk_write->session, zsession, 1, 0);
	+ mongoc_bulk_operation_set_client_session(bulk, Z_SESSION_OBJ_P(zsession)->client_session);
	+ }
	+
	+ if (zwriteConcern) {
	+ mongoc_bulk_operation_set_write_concern(bulk, Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern);
	+ }
	+
	+ success = mongoc_bulk_operation_execute(bulk, &reply, &error);
	+ bulk_write->executed = true;
	+
	+ writeresult = phongo_writeresult_init(return_value, &reply, manager, mongoc_bulk_operation_get_hint(bulk));
	+ writeresult->write_concern = mongoc_write_concern_copy(write_concern);
	+
	+ /* A BulkWriteException is always thrown if mongoc_bulk_operation_execute()
	+ * fails to ensure that the write result is accessible. If the error does
	+ * not originate from the server (e.g. socket error), throw the appropriate
	+ * exception first. It will be included in BulkWriteException's message and
	+ * will also be accessible via Exception::getPrevious(). */
	+ if (!success) {
	+ if (error.domain != MONGOC_ERROR_SERVER && error.domain != MONGOC_ERROR_WRITE_CONCERN) {
	+ phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
	+ }
	+
	+ /* Argument errors occur before command execution, so there is no need
	+ * to layer this InvalidArgumentException behind a BulkWriteException.
	+ * In practice, this will be a "Cannot do an empty bulk write" error. */
	+ if (error.domain == MONGOC_ERROR_COMMAND && error.code == MONGOC_ERROR_COMMAND_INVALID_ARG) {
	+ goto cleanup;
	+ }
	+
	+ if (EG(exception)) {
	+ char* message;
	+
	+ (void) spprintf(&message, 0, "Bulk write failed due to previous %s: %s", PHONGO_ZVAL_EXCEPTION_NAME(EG(exception)), error.message);
	+ zend_throw_exception(php_phongo_bulkwriteexception_ce, message, 0);
	+ efree(message);
	+ } else {
	+ zend_throw_exception(php_phongo_bulkwriteexception_ce, error.message, error.code);
	+ }
	+
	+ /* Ensure error labels are added to the final BulkWriteException. If a
	+ * previous exception was also thrown, error labels will already have
	+ * been added by phongo_throw_exception_from_bson_error_t_and_reply. */
	+ phongo_exception_add_error_labels(&reply);
	+ phongo_add_exception_prop(ZEND_STRL("writeResult"), return_value);
	+ }
	+
	+cleanup:
	+ bson_destroy(&reply);
	+
	+ return success;
	+} /* }}} */
	+
	+bool phongo_execute_command(zval* manager, php_phongo_command_type_t type, const char* db, zval* zcommand, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
	+{
	+ mongoc_client_t* client;
	+ const php_phongo_command_t* command;
	+ bson_iter_t iter;
	+ bson_t reply;
	+ bson_error_t error = { 0 };
	+ bson_t opts = BSON_INITIALIZER;
	+ mongoc_cursor_t* cmd_cursor;
	+ zval* zreadPreference = NULL;
	+ zval* zsession = NULL;
	+ bool result = false;
	+ bool free_reply = false;
	+ bool free_zsession = false;
	+ bool is_unacknowledged_write_concern = false;
	+
	+ client = Z_MANAGER_OBJ_P(manager)->client;
	+ command = Z_COMMAND_OBJ_P(zcommand);
	+
	+ if ((type & PHONGO_OPTION_READ_CONCERN) && !phongo_parse_read_concern(options, &opts)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if ((type & PHONGO_OPTION_READ_PREFERENCE) && !phongo_parse_read_preference(options, &zreadPreference)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (!phongo_parse_session(options, client, &opts, &zsession)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ if (type & PHONGO_OPTION_WRITE_CONCERN) {
	+ zval* zwriteConcern = NULL;
	+
	+ if (!phongo_parse_write_concern(options, &opts, &zwriteConcern)) {
	+ /* Exception should already have been thrown */
	+ goto cleanup;
	+ }
	+
	+ /* Determine if the explicit or inherited write concern is
	+ * unacknowledged so that we can ensure it does not conflict with an
	+ * explicit or implicit session. */
	+ if (zwriteConcern) {
	+ is_unacknowledged_write_concern = !mongoc_write_concern_is_acknowledged(Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern);
	+ } else if (type != PHONGO_COMMAND_RAW) {
	+ is_unacknowledged_write_concern = !mongoc_write_concern_is_acknowledged(mongoc_client_get_write_concern(client));
	+ }
	+ }
	+
	+ if (zsession && is_unacknowledged_write_concern) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot combine \"session\" option with an unacknowledged write concern");
	+ goto cleanup;
	+ }
	+
	+ /* If an explicit session was not provided and the effective write concern
	+ * is not unacknowledged, attempt to create an implicit client session
	+ * (ignoring any errors). */
	+ if (!zsession && !is_unacknowledged_write_concern) {
	+ zsession = phongo_create_implicit_session(manager);
	+
	+ if (zsession) {
	+ free_zsession = true;
	+
	+ if (!mongoc_client_session_append(Z_SESSION_OBJ_P(zsession)->client_session, &opts, NULL)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending implicit \"sessionId\" option");
	+ goto cleanup;
	+ }
	+ }
	+ }
	+
	+ if (!BSON_APPEND_INT32(&opts, "serverId", server_id)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"serverId\" option");
	+ goto cleanup;
	+ }
	+
	+ /* Although "opts" already always includes the serverId option, the read
	+ * preference is added to the command parts, which is relevant for mongos
	+ * command construction. */
	+ switch (type) {
	+ case PHONGO_COMMAND_RAW:
	+ result = mongoc_client_command_with_opts(client, db, command->bson, phongo_read_preference_from_zval(zreadPreference), &opts, &reply, &error);
	+ break;
	+ case PHONGO_COMMAND_READ:
	+ result = mongoc_client_read_command_with_opts(client, db, command->bson, phongo_read_preference_from_zval(zreadPreference), &opts, &reply, &error);
	+ break;
	+ case PHONGO_COMMAND_WRITE:
	+ result = mongoc_client_write_command_with_opts(client, db, command->bson, &opts, &reply, &error);
	+ break;
	+ case PHONGO_COMMAND_READ_WRITE:
	+ /* We can pass NULL as readPreference, as this argument was added historically, but has no function */
	+ result = mongoc_client_read_write_command_with_opts(client, db, command->bson, NULL, &opts, &reply, &error);
	+ break;
	+ default:
	+ /* Should never happen, but if it does: exception */
	+ phongo_throw_exception(PHONGO_ERROR_LOGIC, "Type '%d' should never have been passed to phongo_execute_command, please file a bug report", type);
	+ goto cleanup;
	+ }
	+
	+ free_reply = true;
	+
	+ if (!result) {
	+ phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
	+ goto cleanup;
	+ }
	+
	+ /* According to mongoc_cursor_new_from_command_reply_with_opts(), the reply
	+ * bson_t is ultimately destroyed on both success and failure. */
	+ if (bson_iter_init_find(&iter, &reply, "cursor") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
	+ bson_t initial_reply = BSON_INITIALIZER;
	+ bson_t cursor_opts = BSON_INITIALIZER;
	+ bson_error_t error = { 0 };
	+
	+ bson_copy_to(&reply, &initial_reply);
	+
	+ bson_append_int32(&cursor_opts, "serverId", -1, server_id);
	+
	+ if (command->max_await_time_ms) {
	+ bson_append_bool(&cursor_opts, "awaitData", -1, 1);
	+ bson_append_int64(&cursor_opts, "maxAwaitTimeMS", -1, command->max_await_time_ms);
	+ bson_append_bool(&cursor_opts, "tailable", -1, 1);
	+ }
	+
	+ if (command->batch_size) {
	+ bson_append_int64(&cursor_opts, "batchSize", -1, command->batch_size);
	+ }
	+
	+ if (zsession && !mongoc_client_session_append(Z_SESSION_OBJ_P(zsession)->client_session, &cursor_opts, &error)) {
	+ phongo_throw_exception_from_bson_error_t(&error);
	+ bson_destroy(&initial_reply);
	+ bson_destroy(&cursor_opts);
	+ result = false;
	+ goto cleanup;
	+ }
	+
	+ cmd_cursor = mongoc_cursor_new_from_command_reply_with_opts(client, &initial_reply, &cursor_opts);
	+ bson_destroy(&cursor_opts);
	+ } else {
	+ bson_t cursor_opts = BSON_INITIALIZER;
	+ bson_t* wrapped_reply = create_wrapped_command_envelope(db, &reply);
	+
	+ bson_append_int32(&cursor_opts, "serverId", -1, server_id);
	+ cmd_cursor = mongoc_cursor_new_from_command_reply_with_opts(client, wrapped_reply, &cursor_opts);
	+ bson_destroy(&cursor_opts);
	+ }
	+
	+ phongo_cursor_init_for_command(return_value, manager, cmd_cursor, db, zcommand, zreadPreference, zsession);
	+
	+cleanup:
	+ bson_destroy(&opts);
	+
	+ if (free_reply) {
	+ bson_destroy(&reply);
	+ }
	+
	+ if (free_zsession) {
	+ zval_ptr_dtor(zsession);
	+ efree(zsession);
	+ }
	+
	+ return result;
	+} /* }}} */
	+
	+bool phongo_execute_query(zval* manager, const char* namespace, zval* zquery, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
	+{
	+ mongoc_client_t* client;
	+ const php_phongo_query_t* query;
	+ bson_t opts = BSON_INITIALIZER;
	+ mongoc_cursor_t* cursor;
	+ char* dbname;
	+ char* collname;
	+ mongoc_collection_t* collection;
	+ zval* zreadPreference = NULL;
	+ zval* zsession = NULL;
	+
	+ client = Z_MANAGER_OBJ_P(manager)->client;
	+
	+ if (!phongo_split_namespace(namespace, &dbname, &collname)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s: %s", "Invalid namespace provided", namespace);
	+ return false;
	+ }
	+ collection = mongoc_client_get_collection(client, dbname, collname);
	+ efree(dbname);
	+ efree(collname);
	+
	+ query = Z_QUERY_OBJ_P(zquery);
	+
	+ bson_copy_to(query->opts, &opts);
	+
	+ if (query->read_concern) {
	+ mongoc_collection_set_read_concern(collection, query->read_concern);
	+ }
	+
	+ if (!phongo_parse_read_preference(options, &zreadPreference)) {
	+ /* Exception should already have been thrown */
	+ mongoc_collection_destroy(collection);
	+ bson_destroy(&opts);
	+ return false;
	+ }
	+
	+ if (!phongo_parse_session(options, client, &opts, &zsession)) {
	+ /* Exception should already have been thrown */
	+ mongoc_collection_destroy(collection);
	+ bson_destroy(&opts);
	+ return false;
	+ }
	+
	+ if (!BSON_APPEND_INT32(&opts, "serverId", server_id)) {
	+ phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"serverId\" option");
	+ mongoc_collection_destroy(collection);
	+ bson_destroy(&opts);
	+ return false;
	+ }
	+
	+ cursor = mongoc_collection_find_with_opts(collection, query->filter, &opts, phongo_read_preference_from_zval(zreadPreference));
	+ mongoc_collection_destroy(collection);
	+ bson_destroy(&opts);
	+
	+ /* maxAwaitTimeMS must be set before the cursor is sent */
	+ if (query->max_await_time_ms) {
	+ mongoc_cursor_set_max_await_time_ms(cursor, query->max_await_time_ms);
	+ }
	+
	+ if (!phongo_cursor_advance_and_check_for_error(cursor)) {
	+ mongoc_cursor_destroy(cursor);
	+ return false;
	+ }
	+
	+ phongo_cursor_init_for_query(return_value, manager, cursor, namespace, zquery, zreadPreference, zsession);
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/phongo_execute.h b/mongodb-1.13.0/src/phongo_execute.h
	new file mode 100644
	index 00000000..47312b9e
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_execute.h
	@@ -0,0 +1,46 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_EXECUTE_H
	+#define PHONGO_EXECUTE_H
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+/* This enum is used for processing options and selecting a libmongoc function
	+ * to use in phongo_execute_command. The values are important, as READ and WRITE
	+ * are also used as a bit field to determine whether readPreference,
	+ * readConcern, and writeConcern options are parsed. */
	+typedef enum {
	+ PHONGO_OPTION_READ_CONCERN = 0x01,
	+ PHONGO_OPTION_READ_PREFERENCE = 0x02,
	+ PHONGO_OPTION_WRITE_CONCERN = 0x04,
	+ PHONGO_COMMAND_RAW = 0x07,
	+ PHONGO_COMMAND_READ = 0x03,
	+ PHONGO_COMMAND_WRITE = 0x04,
	+ PHONGO_COMMAND_READ_WRITE = 0x05,
	+} php_phongo_command_type_t;
	+
	+bool phongo_execute_bulk_write(zval* manager, const char* namespace, php_phongo_bulkwrite_t* bulk_write, zval* zwriteConcern, uint32_t server_id, zval* return_value);
	+bool phongo_execute_command(zval* manager, php_phongo_command_type_t type, const char* db, zval* zcommand, zval* zreadPreference, uint32_t server_id, zval* return_value);
	+bool phongo_execute_query(zval* manager, const char* namespace, zval* zquery, zval* zreadPreference, uint32_t server_id, zval* return_value);
	+
	+bool phongo_parse_read_preference(zval* options, zval** zreadPreference);
	+bool phongo_parse_session(zval* options, mongoc_client_t* client, bson_t* mongoc_opts, zval** zsession);
	+
	+#endif /* PHONGO_EXECUTE_H */
	diff --git a/mongodb-1.13.0/src/phongo_ini.c b/mongodb-1.13.0/src/phongo_ini.c
	new file mode 100644
	index 00000000..c0bad3b5
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_ini.c
	@@ -0,0 +1,146 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+#include <main/php_open_temporary_file.h>
	+#include <ext/date/php_date.h>
	+
	+#include "php_phongo.h"
	+#include "phongo_ini.h"
	+
	+extern bool mongoc_global_mock_service_id;
	+
	+ZEND_EXTERN_MODULE_GLOBALS(mongodb)
	+
	+static void phongo_log(mongoc_log_level_t log_level, const char* log_domain, const char* message, void* user_data)
	+{
	+ struct timeval tv;
	+ time_t t;
	+ zend_long tu;
	+ zend_string* dt;
	+
	+ bson_gettimeofday(&tv);
	+ t = tv.tv_sec;
	+ tu = tv.tv_usec;
	+
	+ dt = php_format_date((char*) ZEND_STRL("Y-m-d\\TH:i:s"), t, 0);
	+
	+ fprintf(MONGODB_G(debug_fd), "[%s.%06" PHONGO_LONG_FORMAT "+00:00] %10s: %-8s> %s\n", ZSTR_VAL(dt), tu, log_domain, mongoc_log_level_str(log_level), message);
	+ fflush(MONGODB_G(debug_fd));
	+ efree(dt);
	+}
	+
	+void phongo_log_disable(FILE* stream)
	+{
	+ mongoc_log_trace_disable();
	+ mongoc_log_set_handler(NULL, NULL);
	+
	+ /* Close any previously opened log file (excluding stderr/stdout) */
	+ if (stream && stream != stderr && stream != stdout) {
	+ fclose(stream);
	+ }
	+}
	+
	+static PHP_INI_MH(OnUpdateDebug)
	+{
	+ char* tmp_dir = NULL;
	+
	+ phongo_log_disable(MONGODB_G(debug_fd));
	+ MONGODB_G(debug_fd) = NULL;
	+
	+ if (!new_value \|\| (new_value && !ZSTR_VAL(new_value)[0]) \|\| strcasecmp("0", ZSTR_VAL(new_value)) == 0 \|\| strcasecmp("off", ZSTR_VAL(new_value)) == 0 \|\| strcasecmp("no", ZSTR_VAL(new_value)) == 0 \|\| strcasecmp("false", ZSTR_VAL(new_value)) == 0) {
	+ return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
	+ }
	+
	+ if (strcasecmp(ZSTR_VAL(new_value), "stderr") == 0) {
	+ MONGODB_G(debug_fd) = stderr;
	+ } else if (strcasecmp(ZSTR_VAL(new_value), "stdout") == 0) {
	+ MONGODB_G(debug_fd) = stdout;
	+ } else if (
	+ strcasecmp("1", ZSTR_VAL(new_value)) == 0 \|\|
	+ strcasecmp("on", ZSTR_VAL(new_value)) == 0 \|\|
	+ strcasecmp("yes", ZSTR_VAL(new_value)) == 0 \|\|
	+ strcasecmp("true", ZSTR_VAL(new_value)) == 0) {
	+
	+ tmp_dir = NULL;
	+ } else {
	+ tmp_dir = ZSTR_VAL(new_value);
	+ }
	+
	+ if (!MONGODB_G(debug_fd)) {
	+ time_t t;
	+ int fd = -1;
	+ char* prefix;
	+ int len;
	+ zend_string* filename;
	+
	+ time(&t);
	+ len = spprintf(&prefix, 0, "PHONGO-%ld", t);
	+
	+ fd = php_open_temporary_fd(tmp_dir, prefix, &filename);
	+ if (fd != -1) {
	+ const char* path = ZSTR_VAL(filename);
	+ MONGODB_G(debug_fd) = VCWD_FOPEN(path, "a");
	+ }
	+ efree(filename);
	+ efree(prefix);
	+ close(fd);
	+ }
	+
	+ mongoc_log_trace_enable();
	+ mongoc_log_set_handler(phongo_log, NULL);
	+
	+ return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
	+}
	+
	+static PHP_INI_MH(OnUpdateMockServiceId)
	+{
	+ mongoc_global_mock_service_id = zend_ini_parse_bool(new_value);
	+
	+ return SUCCESS;
	+}
	+
	+static PHP_INI_DISP(DisplayMockServiceId)
	+{
	+ if (mongoc_global_mock_service_id) {
	+ ZEND_PUTS("On");
	+ } else {
	+ ZEND_PUTS("Off");
	+ }
	+}
	+
	+void phongo_display_ini_entries(ZEND_MODULE_INFO_FUNC_ARGS)
	+{
	+ DISPLAY_INI_ENTRIES();
	+}
	+
	+void phongo_register_ini_entries(INIT_FUNC_ARGS)
	+{
	+ PHP_INI_BEGIN()
	+ STD_PHP_INI_ENTRY("mongodb.debug", "", PHP_INI_ALL, OnUpdateDebug, debug, zend_mongodb_globals, mongodb_globals)
	+ PHP_INI_ENTRY_EX("mongodb.mock_service_id", "0", PHP_INI_ALL, OnUpdateMockServiceId, DisplayMockServiceId)
	+ PHP_INI_END()
	+
	+ REGISTER_INI_ENTRIES();
	+}
	+
	+void phongo_unregister_ini_entries(SHUTDOWN_FUNC_ARGS)
	+{
	+ UNREGISTER_INI_ENTRIES();
	+}
	diff --git a/mongodb-1.13.0/src/phongo_ini.h b/mongodb-1.13.0/src/phongo_ini.h
	new file mode 100644
	index 00000000..fc0208f8
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_ini.h
	@@ -0,0 +1,28 @@
	+/*
	+ * Copyright 2021-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_INI_H
	+#define PHONGO_INI_H
	+
	+#include <php.h>
	+#include <stdio.h>
	+
	+void phongo_log_disable(FILE* stream);
	+void phongo_display_ini_entries(ZEND_MODULE_INFO_FUNC_ARGS);
	+void phongo_register_ini_entries(INIT_FUNC_ARGS);
	+void phongo_unregister_ini_entries(SHUTDOWN_FUNC_ARGS);
	+
	+#endif /* PHONGO_INI_H */
	diff --git a/mongodb-1.13.0/src/phongo_structs.h b/mongodb-1.13.0/src/phongo_structs.h
	new file mode 100644
	index 00000000..8d37ef40
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_structs.h
	@@ -0,0 +1,355 @@
	+/*
	+ * Copyright 2015-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_STRUCTS_H
	+#define PHONGO_STRUCTS_H
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+#include "phongo_bson.h"
	+
	+typedef struct {
	+ mongoc_bulk_operation_t* bulk;
	+ size_t num_ops;
	+ bool ordered;
	+ int bypass;
	+ char* database;
	+ char* collection;
	+ bool executed;
	+ zval session;
	+ zend_object std;
	+} php_phongo_bulkwrite_t;
	+
	+typedef struct {
	+ mongoc_client_encryption_t* client_encryption;
	+ zval key_vault_client_manager;
	+ zend_object std;
	+} php_phongo_clientencryption_t;
	+
	+typedef struct {
	+ bson_t* bson;
	+ uint32_t max_await_time_ms;
	+ uint32_t batch_size;
	+ zend_object std;
	+} php_phongo_command_t;
	+
	+typedef struct {
	+ mongoc_cursor_t* cursor;
	+ zval manager;
	+ int created_by_pid;
	+ uint32_t server_id;
	+ bool advanced;
	+ php_phongo_bson_state visitor_data;
	+ long current;
	+ char* database;
	+ char* collection;
	+ zval query;
	+ zval command;
	+ zval read_preference;
	+ zval session;
	+ zend_object std;
	+} php_phongo_cursor_t;
	+
	+typedef struct {
	+ bool initialized;
	+ int64_t id;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_cursorid_t;
	+
	+typedef struct {
	+ mongoc_client_t* client;
	+ int created_by_pid;
	+ char* client_hash;
	+ size_t client_hash_len;
	+ bool use_persistent_client;
	+ zval key_vault_client_manager;
	+ HashTable* subscribers;
	+ zend_object std;
	+} php_phongo_manager_t;
	+
	+typedef struct {
	+ bson_t* filter;
	+ bson_t* opts;
	+ mongoc_read_concern_t* read_concern;
	+ uint32_t max_await_time_ms;
	+ zend_object std;
	+} php_phongo_query_t;
	+
	+typedef struct {
	+ mongoc_read_concern_t* read_concern;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_readconcern_t;
	+
	+typedef struct {
	+ mongoc_read_prefs_t* read_preference;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_readpreference_t;
	+
	+typedef struct {
	+ zval manager;
	+ int created_by_pid;
	+ uint32_t server_id;
	+ zend_object std;
	+} php_phongo_server_t;
	+
	+typedef struct {
	+ mongoc_server_api_t* server_api;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_serverapi_t;
	+
	+typedef struct {
	+ mongoc_server_description_t* server_description;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_serverdescription_t;
	+
	+typedef struct {
	+ mongoc_client_session_t* client_session;
	+ zval manager;
	+ int created_by_pid;
	+ zend_object std;
	+} php_phongo_session_t;
	+
	+typedef struct {
	+ mongoc_topology_description_t* topology_description;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_topologydescription_t;
	+
	+typedef struct {
	+ HashTable* properties;
	+ mongoc_write_concern_t* write_concern;
	+ zend_object std;
	+} php_phongo_writeconcern_t;
	+
	+typedef struct {
	+ int code;
	+ char* message;
	+ zval info;
	+ zend_object std;
	+} php_phongo_writeconcernerror_t;
	+
	+typedef struct {
	+ int code;
	+ char* message;
	+ zval info;
	+ uint32_t index;
	+ zend_object std;
	+} php_phongo_writeerror_t;
	+
	+typedef struct {
	+ mongoc_write_concern_t* write_concern;
	+ bson_t* reply;
	+ zval manager;
	+ uint32_t server_id;
	+ zend_object std;
	+} php_phongo_writeresult_t;
	+
	+typedef struct {
	+ char* data;
	+ int data_len;
	+ uint8_t type;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_binary_t;
	+
	+typedef struct {
	+ char* ref;
	+ size_t ref_len;
	+ char id[25];
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_dbpointer_t;
	+
	+typedef struct {
	+ bool initialized;
	+ bson_decimal128_t decimal;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_decimal128_t;
	+
	+typedef struct {
	+ bool initialized;
	+ int64_t integer;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_int64_t;
	+
	+typedef struct {
	+ char* code;
	+ size_t code_len;
	+ bson_t* scope;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_javascript_t;
	+
	+typedef struct {
	+ zend_object std;
	+} php_phongo_maxkey_t;
	+
	+typedef struct {
	+ zend_object std;
	+} php_phongo_minkey_t;
	+
	+typedef struct {
	+ bool initialized;
	+ char oid[25];
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_objectid_t;
	+
	+typedef struct {
	+ char* pattern;
	+ int pattern_len;
	+ char* flags;
	+ int flags_len;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_regex_t;
	+
	+typedef struct {
	+ char* symbol;
	+ size_t symbol_len;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_symbol_t;
	+
	+typedef struct {
	+ bool initialized;
	+ uint32_t increment;
	+ uint32_t timestamp;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_timestamp_t;
	+
	+typedef struct {
	+ zend_object std;
	+} php_phongo_undefined_t;
	+
	+typedef struct {
	+ bool initialized;
	+ int64_t milliseconds;
	+ HashTable* properties;
	+ zend_object std;
	+} php_phongo_utcdatetime_t;
	+
	+typedef struct {
	+ zval manager;
	+ char* command_name;
	+ uint32_t server_id;
	+ uint64_t operation_id;
	+ uint64_t request_id;
	+ uint64_t duration_micros;
	+ bson_t* reply;
	+ zval z_error;
	+ bool has_service_id;
	+ bson_oid_t service_id;
	+ zend_object std;
	+} php_phongo_commandfailedevent_t;
	+
	+typedef struct {
	+ zval manager;
	+ char* command_name;
	+ uint32_t server_id;
	+ uint64_t operation_id;
	+ uint64_t request_id;
	+ bson_t* command;
	+ char* database_name;
	+ bool has_service_id;
	+ bson_oid_t service_id;
	+ zend_object std;
	+} php_phongo_commandstartedevent_t;
	+
	+typedef struct {
	+ zval manager;
	+ char* command_name;
	+ uint32_t server_id;
	+ uint64_t operation_id;
	+ uint64_t request_id;
	+ uint64_t duration_micros;
	+ bson_t* reply;
	+ bool has_service_id;
	+ bson_oid_t service_id;
	+ zend_object std;
	+} php_phongo_commandsucceededevent_t;
	+
	+typedef struct {
	+ bson_oid_t topology_id;
	+ mongoc_host_list_t host;
	+ mongoc_server_description_t* new_server_description;
	+ mongoc_server_description_t* old_server_description;
	+ zend_object std;
	+} php_phongo_serverchangedevent_t;
	+
	+typedef struct {
	+ bson_oid_t topology_id;
	+ mongoc_host_list_t host;
	+ zend_object std;
	+} php_phongo_serverclosedevent_t;
	+
	+typedef struct {
	+ bool awaited;
	+ uint64_t duration_micros;
	+ zval z_error;
	+ mongoc_host_list_t host;
	+ zend_object std;
	+} php_phongo_serverheartbeatfailedevent_t;
	+
	+typedef struct {
	+ bool awaited;
	+ mongoc_host_list_t host;
	+ zend_object std;
	+} php_phongo_serverheartbeatstartedevent_t;
	+
	+typedef struct {
	+ bool awaited;
	+ uint64_t duration_micros;
	+ mongoc_host_list_t host;
	+ bson_t* reply;
	+ zend_object std;
	+} php_phongo_serverheartbeatsucceededevent_t;
	+
	+typedef struct {
	+ bson_oid_t topology_id;
	+ mongoc_host_list_t host;
	+ zend_object std;
	+} php_phongo_serveropeningevent_t;
	+
	+typedef struct {
	+ bson_oid_t topology_id;
	+ mongoc_topology_description_t* new_topology_description;
	+ mongoc_topology_description_t* old_topology_description;
	+ zend_object std;
	+} php_phongo_topologychangedevent_t;
	+
	+typedef struct {
	+ bson_oid_t topology_id;
	+ zend_object std;
	+} php_phongo_topologyclosedevent_t;
	+
	+typedef struct {
	+ bson_oid_t topology_id;
	+ zend_object std;
	+} php_phongo_topologyopeningevent_t;
	+
	+#endif /* PHONGO_STRUCTS */
	diff --git a/mongodb-1.13.0/src/phongo_util.c b/mongodb-1.13.0/src/phongo_util.c
	new file mode 100644
	index 00000000..cc4f168b
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_util.c
	@@ -0,0 +1,90 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#include "bson/bson.h"
	+#include "mongoc/mongoc.h"
	+
	+#include <php.h>
	+
	+#include "phongo_util.h"
	+
	+/* If options is not an array, insert it as a field in a newly allocated array.
	+ * This may be used to convert legacy options (e.g. ReadPreference option for
	+ * an executeQuery method) into an options array.
	+ *
	+ * A pointer to the array zval will always be returned. If allocated is set to
	+ * true, php_phongo_prep_legacy_option_free() should be used to free the array
	+ * zval later. */
	+zval* php_phongo_prep_legacy_option(zval* options, const char* key, bool* allocated) /* {{{ */
	+{
	+ *allocated = false;
	+
	+ if (options && Z_TYPE_P(options) != IS_ARRAY) {
	+ zval* new_options = ecalloc(1, sizeof(zval));
	+
	+ array_init_size(new_options, 1);
	+ add_assoc_zval(new_options, key, options);
	+ Z_ADDREF_P(options);
	+ *allocated = true;
	+
	+ return new_options;
	+ }
	+
	+ return options;
	+} /* }}} */
	+
	+void php_phongo_prep_legacy_option_free(zval* options) /* {{{ */
	+{
	+ zval_ptr_dtor(options);
	+ efree(options);
	+} /* }}} */
	+
	+bool php_phongo_parse_int64(int64_t* retval, const char* data, size_t data_len) /* {{{ */
	+{
	+ int64_t value;
	+ char* endptr = NULL;
	+
	+ /* bson_ascii_strtoll() sets errno if conversion fails. If conversion
	+ * succeeds, we still want to ensure that the entire string was parsed. */
	+ value = bson_ascii_strtoll(data, &endptr, 10);
	+
	+ if (errno \|\| (endptr && endptr != ((const char*) data + data_len))) {
	+ return false;
	+ }
	+
	+ *retval = value;
	+
	+ return true;
	+} /* }}} */
	+
	+/* Splits a namespace name into the database and collection names, allocated with estrdup. */
	+bool phongo_split_namespace(const char* namespace, char dbname, char cname) /* {{{ */
	+{
	+ char* dot = strchr(namespace, '.');
	+
	+ if (!dot) {
	+ return false;
	+ }
	+
	+ if (cname) {
	+ *cname = estrdup(namespace + (dot - namespace) + 1);
	+ }
	+ if (dbname) {
	+ *dbname = estrndup(namespace, dot - namespace);
	+ }
	+
	+ return true;
	+} /* }}} */
	diff --git a/mongodb-1.13.0/src/phongo_util.h b/mongodb-1.13.0/src/phongo_util.h
	new file mode 100644
	index 00000000..41914480
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_util.h
	@@ -0,0 +1,27 @@
	+/*
	+ * Copyright 2022-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_UTIL_H
	+#define PHONGO_UTIL_H
	+
	+zval* php_phongo_prep_legacy_option(zval* options, const char* key, bool* allocated);
	+void php_phongo_prep_legacy_option_free(zval* options);
	+
	+bool php_phongo_parse_int64(int64_t* retval, const char* data, size_t data_len);
	+
	+bool phongo_split_namespace(const char* namespace, char dbname, char cname);
	+
	+#endif /* PHONGO_UTIL_H */
	diff --git a/mongodb-1.13.0/src/phongo_version.h b/mongodb-1.13.0/src/phongo_version.h
	new file mode 100644
	index 00000000..db15d176
	--- /dev/null
	+++ b/mongodb-1.13.0/src/phongo_version.h
	@@ -0,0 +1,26 @@
	+/*
	+ * Copyright 2014-present MongoDB, Inc.
	+ *
	+ * Licensed under the Apache License, Version 2.0 (the "License");
	+ * you may not use this file except in compliance with the License.
	+ * You may obtain a copy of the License at
	+ *
	+ * http://www.apache.org/licenses/LICENSE-2.0
	+ *
	+ * Unless required by applicable law or agreed to in writing, software
	+ * distributed under the License is distributed on an "AS IS" BASIS,
	+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	+ * See the License for the specific language governing permissions and
	+ * limitations under the License.
	+ */
	+
	+#ifndef PHONGO_VERSION_H
	+#define PHONGO_VERSION_H
	+
	+/* clang-format off */
	+#define PHP_MONGODB_VERSION "1.13.0"
	+#define PHP_MONGODB_STABILITY "stable"
	+#define PHP_MONGODB_VERSION_DESC 1,13,0,1
	+/* clang-format on */
	+
	+#endif /* PHONGO_VERSION_H */
	diff --git a/mongodb-1.12.0/tests/apm/bug0950-001.phpt b/mongodb-1.13.0/tests/apm/bug0950-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/bug0950-001.phpt
	rename to mongodb-1.13.0/tests/apm/bug0950-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/bug0950-002.phpt b/mongodb-1.13.0/tests/apm/bug0950-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/bug0950-002.phpt
	rename to mongodb-1.13.0/tests/apm/bug0950-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandFailedEvent-001.phpt b/mongodb-1.13.0/tests/apm/commandFailedEvent-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandFailedEvent-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandFailedEvent-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandFailedEvent-002.phpt b/mongodb-1.13.0/tests/apm/commandFailedEvent-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandFailedEvent-002.phpt
	rename to mongodb-1.13.0/tests/apm/commandFailedEvent-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandFailedEvent-debug-001.phpt b/mongodb-1.13.0/tests/apm/commandFailedEvent-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandFailedEvent-debug-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandFailedEvent-debug-001.phpt
	diff --git a/mongodb-1.13.0/tests/apm/commandFailedEvent-getReply-001.phpt b/mongodb-1.13.0/tests/apm/commandFailedEvent-getReply-001.phpt
	new file mode 100644
	index 00000000..6b1901f9
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/commandFailedEvent-getReply-001.phpt
	@@ -0,0 +1,59 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\CommandFailedEvent::getReply()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted( \MongoDB\Driver\Monitoring\CommandStartedEvent $event )
	+ {
	+ echo "started: ", $event->getCommandName(), "\n";
	+ }
	+
	+ public function commandSucceeded( \MongoDB\Driver\Monitoring\CommandSucceededEvent $event )
	+ {
	+ var_dump($event);
	+ }
	+
	+ public function commandFailed( \MongoDB\Driver\Monitoring\CommandFailedEvent $event )
	+ {
	+ echo "failed: ", $event->getCommandName(), "\n";
	+ var_dump($event->getReply());
	+ }
	+}
	+
	+$subscriber = new MySubscriber;
	+
	+MongoDB\Driver\Monitoring\addSubscriber( $subscriber );
	+
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['_id' => 'foo'],
	+ 'upsert' => true,
	+ 'new' => true,
	+]);
	+
	+try {
	+ $manager->executeWriteCommand(DATABASE_NAME, $command);
	+} catch (MongoDB\Driver\Exception\CommandException $e) {}
	+
	+?>
	+--EXPECTF--
	+started: findAndModify
	+failed: findAndModify
	+object(stdClass)#%d (%d) {%A
	+ ["ok"]=>
	+ float(0)
	+ ["errmsg"]=>
	+ string(49) "Either an update or remove=true must be specified"
	+ ["code"]=>
	+ int(9)
	+ ["codeName"]=>
	+ string(13) "FailedToParse"%A
	+}
	diff --git a/mongodb-1.12.0/tests/apm/commandFailedEvent-getServiceId-001.phpt b/mongodb-1.13.0/tests/apm/commandFailedEvent-getServiceId-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandFailedEvent-getServiceId-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandFailedEvent-getServiceId-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandFailedEvent-getServiceId-002.phpt b/mongodb-1.13.0/tests/apm/commandFailedEvent-getServiceId-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandFailedEvent-getServiceId-002.phpt
	rename to mongodb-1.13.0/tests/apm/commandFailedEvent-getServiceId-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandStartedEvent-001.phpt b/mongodb-1.13.0/tests/apm/commandStartedEvent-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandStartedEvent-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandStartedEvent-001.phpt
	diff --git a/mongodb-1.13.0/tests/apm/commandStartedEvent-002.phpt b/mongodb-1.13.0/tests/apm/commandStartedEvent-002.phpt
	new file mode 100644
	index 00000000..acce0c77
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/commandStartedEvent-002.phpt
	@@ -0,0 +1,41 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\CommandStartedEvent during mongoc_client_destroy()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ printf("Observed commandStarted for %s\n", $event->getCommandName());
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event) {}
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event) {}
	+}
	+
	+$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+
	+$singleSubscriber = new MySubscriber();
	+$manager->addSubscriber($singleSubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command);
	+
	+/* Events dispatched during mongoc_client_destroy can only be observed before
	+ * RSHUTDOWN. This means that we must use a non-persistent client and free it
	+ * before the script ends. */
	+unset($manager);
	+
	+?>
	+===DONE===
	+--EXPECT--
	+Observed commandStarted for ping
	+Observed commandStarted for endSessions
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/apm/commandStartedEvent-debug-001.phpt b/mongodb-1.13.0/tests/apm/commandStartedEvent-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandStartedEvent-debug-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandStartedEvent-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandStartedEvent-getServiceId-001.phpt b/mongodb-1.13.0/tests/apm/commandStartedEvent-getServiceId-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandStartedEvent-getServiceId-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandStartedEvent-getServiceId-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandStartedEvent-getServiceId-002.phpt b/mongodb-1.13.0/tests/apm/commandStartedEvent-getServiceId-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandStartedEvent-getServiceId-002.phpt
	rename to mongodb-1.13.0/tests/apm/commandStartedEvent-getServiceId-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandSucceededEvent-001.phpt b/mongodb-1.13.0/tests/apm/commandSucceededEvent-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandSucceededEvent-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandSucceededEvent-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandSucceededEvent-002.phpt b/mongodb-1.13.0/tests/apm/commandSucceededEvent-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandSucceededEvent-002.phpt
	rename to mongodb-1.13.0/tests/apm/commandSucceededEvent-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandSucceededEvent-debug-001.phpt b/mongodb-1.13.0/tests/apm/commandSucceededEvent-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandSucceededEvent-debug-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandSucceededEvent-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandSucceededEvent-getServiceId-001.phpt b/mongodb-1.13.0/tests/apm/commandSucceededEvent-getServiceId-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandSucceededEvent-getServiceId-001.phpt
	rename to mongodb-1.13.0/tests/apm/commandSucceededEvent-getServiceId-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/commandSucceededEvent-getServiceId-002.phpt b/mongodb-1.13.0/tests/apm/commandSucceededEvent-getServiceId-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/commandSucceededEvent-getServiceId-002.phpt
	rename to mongodb-1.13.0/tests/apm/commandSucceededEvent-getServiceId-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/monitoring-addSubscriber-001.phpt b/mongodb-1.13.0/tests/apm/monitoring-addSubscriber-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/monitoring-addSubscriber-001.phpt
	rename to mongodb-1.13.0/tests/apm/monitoring-addSubscriber-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/monitoring-addSubscriber-002.phpt b/mongodb-1.13.0/tests/apm/monitoring-addSubscriber-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/monitoring-addSubscriber-002.phpt
	rename to mongodb-1.13.0/tests/apm/monitoring-addSubscriber-002.phpt
	diff --git a/mongodb-1.12.0/tests/apm/monitoring-addSubscriber-003.phpt b/mongodb-1.13.0/tests/apm/monitoring-addSubscriber-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/monitoring-addSubscriber-003.phpt
	rename to mongodb-1.13.0/tests/apm/monitoring-addSubscriber-003.phpt
	diff --git a/mongodb-1.12.0/tests/apm/monitoring-addSubscriber-004.phpt b/mongodb-1.13.0/tests/apm/monitoring-addSubscriber-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/monitoring-addSubscriber-004.phpt
	rename to mongodb-1.13.0/tests/apm/monitoring-addSubscriber-004.phpt
	diff --git a/mongodb-1.12.0/tests/apm/monitoring-removeSubscriber-001.phpt b/mongodb-1.13.0/tests/apm/monitoring-removeSubscriber-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/monitoring-removeSubscriber-001.phpt
	rename to mongodb-1.13.0/tests/apm/monitoring-removeSubscriber-001.phpt
	diff --git a/mongodb-1.12.0/tests/apm/monitoring-removeSubscriber-002.phpt b/mongodb-1.13.0/tests/apm/monitoring-removeSubscriber-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/apm/monitoring-removeSubscriber-002.phpt
	rename to mongodb-1.13.0/tests/apm/monitoring-removeSubscriber-002.phpt
	diff --git a/mongodb-1.13.0/tests/apm/serverChangedEvent-001.phpt b/mongodb-1.13.0/tests/apm/serverChangedEvent-001.phpt
	new file mode 100644
	index 00000000..8f5883a8
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/serverChangedEvent-001.phpt
	@@ -0,0 +1,81 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\ServerChangedEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $isObserved = false;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event)
	+ {
	+ // Ignore multiple events for the purpose of this test
	+ if ($this->isObserved) {
	+ return;
	+ }
	+
	+ $this->isObserved = true;
	+
	+ printf("getHost() returns a string: %s\n", is_string($event->getHost()) ? 'yes' : 'no');
	+ printf("getPort() returns an integer: %s\n", is_integer($event->getPort()) ? 'yes' : 'no');
	+ printf("getTopologyId() returns an ObjectId: %s\n", ($event->getTopologyId() instanceof MongoDB\BSON\ObjectId) ? 'yes' : 'no');
	+ printf("getNewDescription() returns a ServerDescription: %s\n", ($event->getNewDescription() instanceof MongoDB\Driver\ServerDescription) ? 'yes' : 'no');
	+ printf("getPreviousDescription() returns a ServerDescription: %s\n", ($event->getPreviousDescription() instanceof MongoDB\Driver\ServerDescription) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+$m = create_test_manager();
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getHost() returns a string: yes
	+getPort() returns an integer: yes
	+getTopologyId() returns an ObjectId: yes
	+getNewDescription() returns a ServerDescription: yes
	+getPreviousDescription() returns a ServerDescription: yes
	+object(MongoDB\Driver\Monitoring\ServerChangedEvent)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["topologyId"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+ ["newDescription"]=>
	+ object(MongoDB\Driver\ServerDescription)#%d (%d) {%A
	+ }
	+ ["oldDescription"]=>
	+ object(MongoDB\Driver\ServerDescription)#%d (%d) {%A
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/serverClosedEvent-001.phpt b/mongodb-1.13.0/tests/apm/serverClosedEvent-001.phpt
	new file mode 100644
	index 00000000..b2351af1
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/serverClosedEvent-001.phpt
	@@ -0,0 +1,79 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\ServerClosedEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_load_balanced(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $isObserved = false;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event)
	+ {
	+ // Ignore multiple events for the purpose of this test
	+ if ($this->isObserved) {
	+ return;
	+ }
	+
	+ $this->isObserved = true;
	+
	+ printf("getHost() returns a string: %s\n", is_string($event->getHost()) ? 'yes' : 'no');
	+ printf("getPort() returns an integer: %s\n", is_integer($event->getPort()) ? 'yes' : 'no');
	+ printf("getTopologyId() returns an ObjectId: %s\n", ($event->getTopologyId() instanceof MongoDB\BSON\ObjectId) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+/* Note: load balanced topologies will always emit ServerClosedEvent before
	+ * TopologyClosedEvent. That is easier than adding a non-member to a replica set
	+ * URI. A non-persistent client is used to make observation possible. */
	+$m = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+/* Events dispatched during mongoc_client_destroy can only be observed before
	+ * RSHUTDOWN. This means that we must use a non-persistent client and free it
	+ * before the script ends. */
	+unset($m);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getHost() returns a string: yes
	+getPort() returns an integer: yes
	+getTopologyId() returns an ObjectId: yes
	+object(MongoDB\Driver\Monitoring\ServerClosedEvent)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["topologyId"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/serverHeartbeatFailedEvent-001.phpt b/mongodb-1.13.0/tests/apm/serverHeartbeatFailedEvent-001.phpt
	new file mode 100644
	index 00000000..5e88ebac
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/serverHeartbeatFailedEvent-001.phpt
	@@ -0,0 +1,83 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_no_failcommand_failpoint(); ?>
	+<?php skip_if_not_standalone(); ?>
	+<?php skip_if_auth(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event)
	+ {
	+ printf("getDurationMicros() returns an integer: %s\n", is_integer($event->getDurationMicros()) ? 'yes' : 'no');
	+ printf("getError() returns an Exception: %s\n", ($event->getError() instanceof Exception) ? 'yes' : 'no');
	+ printf("getHost() returns a string: %s\n", is_string($event->getHost()) ? 'yes' : 'no');
	+ printf("getPort() returns an integer: %s\n", is_integer($event->getPort()) ? 'yes' : 'no');
	+ printf("isAwaited() returns a bool: %s\n", is_bool($event->isAwaited()) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+/* Use a separate client to configure the fail point and trigger a heartbeat
	+ * failure on the second client under test. This test should not be run on
	+ * load balanced or sharded clusters with multiple mongoses, since we can not
	+ * reliably select the same target server across two clients. */
	+$m2 = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+configureFailPoint($m2, 'failCommand', ['times' => 1], ['failCommands' => ['isMaster', 'hello'], 'closeConnection' => true]);
	+
	+$m = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+$m->addSubscriber(new MySubscriber);
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+
	+throws(function() use ($m, $command) {
	+ $m->executeCommand(DATABASE_NAME, $command);
	+}, MongoDB\Driver\Exception\ConnectionTimeoutException::class);
	+
	+configureFailPoint($m2, 'failCommand', 'off');
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getDurationMicros() returns an integer: yes
	+getError() returns an Exception: yes
	+getHost() returns a string: yes
	+getPort() returns an integer: yes
	+isAwaited() returns a bool: yes
	+object(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["awaited"]=>
	+ bool(%s)
	+ ["durationMicros"]=>
	+ int(%d)
	+ ["error"]=>
	+ object(MongoDB\Driver\Exception\RuntimeException)#%d (%d) {%A
	+ }
	+}
	+OK: Got MongoDB\Driver\Exception\ConnectionTimeoutException
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/serverHeartbeatStartedEvent-001.phpt b/mongodb-1.13.0/tests/apm/serverHeartbeatStartedEvent-001.phpt
	new file mode 100644
	index 00000000..7cf3e73d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/serverHeartbeatStartedEvent-001.phpt
	@@ -0,0 +1,68 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $isObserved = false;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event)
	+ {
	+ // Ignore multiple events for the purpose of this test
	+ if ($this->isObserved) {
	+ return;
	+ }
	+
	+ $this->isObserved = true;
	+
	+ printf("getHost() returns a string: %s\n", is_string($event->getHost()) ? 'yes' : 'no');
	+ printf("getPort() returns an integer: %s\n", is_integer($event->getPort()) ? 'yes' : 'no');
	+ printf("isAwaited() returns a bool: %s\n", is_bool($event->isAwaited()) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+$m = create_test_manager();
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getHost() returns a string: yes
	+getPort() returns an integer: yes
	+isAwaited() returns a bool: yes
	+object(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["awaited"]=>
	+ bool(%s)
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/serverHeartbeatSucceededEvent-001.phpt b/mongodb-1.13.0/tests/apm/serverHeartbeatSucceededEvent-001.phpt
	new file mode 100644
	index 00000000..e614e525
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/serverHeartbeatSucceededEvent-001.phpt
	@@ -0,0 +1,75 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $isObserved = false;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event)
	+ {
	+ // Ignore multiple events for the purpose of this test
	+ if ($this->isObserved) {
	+ return;
	+ }
	+
	+ $this->isObserved = true;
	+
	+ printf("getDurationMicros() returns an integer: %s\n", is_integer($event->getDurationMicros()) ? 'yes' : 'no');
	+ printf("getHost() returns a string: %s\n", is_string($event->getHost()) ? 'yes' : 'no');
	+ printf("getPort() returns an integer: %s\n", is_integer($event->getPort()) ? 'yes' : 'no');
	+ printf("getReply() returns an object: %s\n", is_object($event->getReply()) ? 'yes' : 'no');
	+ printf("isAwaited() returns a bool: %s\n", is_bool($event->isAwaited()) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+$m = create_test_manager();
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getDurationMicros() returns an integer: yes
	+getHost() returns a string: yes
	+getPort() returns an integer: yes
	+getReply() returns an object: yes
	+isAwaited() returns a bool: yes
	+object(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["awaited"]=>
	+ bool(%s)
	+ ["reply"]=>
	+ object(stdClass)#%d (%d) {%A
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/serverOpeningEvent-001.phpt b/mongodb-1.13.0/tests/apm/serverOpeningEvent-001.phpt
	new file mode 100644
	index 00000000..8ee76e4a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/serverOpeningEvent-001.phpt
	@@ -0,0 +1,71 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\ServerOpeningEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $isObserved = false;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event)
	+ {
	+ // Ignore multiple events for the purpose of this test
	+ if ($this->isObserved) {
	+ return;
	+ }
	+
	+ $this->isObserved = true;
	+
	+ printf("getHost() returns a string: %s\n", is_string($event->getHost()) ? 'yes' : 'no');
	+ printf("getPort() returns an integer: %s\n", is_integer($event->getPort()) ? 'yes' : 'no');
	+ printf("getTopologyId() returns an ObjectId: %s\n", ($event->getTopologyId() instanceof MongoDB\BSON\ObjectId) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+$m = create_test_manager();
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getHost() returns a string: yes
	+getPort() returns an integer: yes
	+getTopologyId() returns an ObjectId: yes
	+object(MongoDB\Driver\Monitoring\ServerOpeningEvent)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["topologyId"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/topologyChangedEvent-001.phpt b/mongodb-1.13.0/tests/apm/topologyChangedEvent-001.phpt
	new file mode 100644
	index 00000000..003e431c
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/topologyChangedEvent-001.phpt
	@@ -0,0 +1,73 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\TopologyChangedEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $isObserved = false;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ // Ignore multiple events for the purpose of this test
	+ if ($this->isObserved) {
	+ return;
	+ }
	+
	+ $this->isObserved = true;
	+
	+ printf("getTopologyId() returns an ObjectId: %s\n", ($event->getTopologyId() instanceof MongoDB\BSON\ObjectId) ? 'yes' : 'no');
	+ printf("getNewDescription() returns a TopologyDescription: %s\n", ($event->getNewDescription() instanceof MongoDB\Driver\TopologyDescription) ? 'yes' : 'no');
	+ printf("getPreviousDescription() returns a TopologyDescription: %s\n", ($event->getPreviousDescription() instanceof MongoDB\Driver\TopologyDescription) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+$m = create_test_manager();
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getTopologyId() returns an ObjectId: yes
	+getNewDescription() returns a TopologyDescription: yes
	+getPreviousDescription() returns a TopologyDescription: yes
	+object(MongoDB\Driver\Monitoring\TopologyChangedEvent)#%d (%d) {
	+ ["topologyId"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+ ["newDescription"]=>
	+ object(MongoDB\Driver\TopologyDescription)#%d (%d) {%A
	+ }
	+ ["oldDescription"]=>
	+ object(MongoDB\Driver\TopologyDescription)#%d (%d) {%A
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/topologyClosedEvent-001.phpt b/mongodb-1.13.0/tests/apm/topologyClosedEvent-001.phpt
	new file mode 100644
	index 00000000..cd0ec992
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/topologyClosedEvent-001.phpt
	@@ -0,0 +1,62 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\TopologyClosedEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event)
	+ {
	+ printf("getTopologyId() returns an ObjectId: %s\n", ($event->getTopologyId() instanceof MongoDB\BSON\ObjectId) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+}
	+
	+/* Note: TopologyChangedEvent can only be observed for non-persistent clients.
	+ * Persistent clients are destroyed in GSHUTDOWN, long after any PHP objects
	+ * (including subscribers) are freed. */
	+$m = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+/* Events dispatched during mongoc_client_destroy can only be observed before
	+ * RSHUTDOWN. This means that we must use a non-persistent client and free it
	+ * before the script ends. */
	+unset($m);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getTopologyId() returns an ObjectId: yes
	+object(MongoDB\Driver\Monitoring\TopologyClosedEvent)#%d (%d) {
	+ ["topologyId"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/topologyOpeningEvent-001.phpt b/mongodb-1.13.0/tests/apm/topologyOpeningEvent-001.phpt
	new file mode 100644
	index 00000000..abb6f009
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/topologyOpeningEvent-001.phpt
	@@ -0,0 +1,54 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\TopologyOpeningEvent
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event) {}
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event)
	+ {
	+ printf("getTopologyId() returns an ObjectId: %s\n", ($event->getTopologyId() instanceof MongoDB\BSON\ObjectId) ? 'yes' : 'no');
	+
	+ var_dump($event);
	+ }
	+}
	+
	+$m = create_test_manager();
	+$m->addSubscriber(new MySubscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+getTopologyId() returns an ObjectId: yes
	+object(MongoDB\Driver\Monitoring\TopologyOpeningEvent)#%d (%d) {
	+ ["topologyId"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/apm/topologyOpeningEvent-002.phpt b/mongodb-1.13.0/tests/apm/topologyOpeningEvent-002.phpt
	new file mode 100644
	index 00000000..94d3ed39
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/apm/topologyOpeningEvent-002.phpt
	@@ -0,0 +1,79 @@
	+--TEST--
	+MongoDB\Driver\Monitoring\TopologyOpeningEvent shares topology ID with other events
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MySubscriber implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyId;
	+ public $numAssertions = 0;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event)
	+ {
	+ $this->assertSameTopologyId($event);
	+ }
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event)
	+ {
	+ $this->assertSameTopologyId($event);
	+ }
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\serverHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event)
	+ {
	+ $this->assertSameTopologyId($event);
	+ }
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->assertSameTopologyId($event);
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event)
	+ {
	+ $this->assertSameTopologyId($event);
	+ }
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event)
	+ {
	+ $this->topologyId = $event->getTopologyId();
	+ }
	+
	+ private function assertSameTopologyId($event)
	+ {
	+ $this->numAssertions++;
	+
	+ if ($event->getTopologyId() != $this->topologyId) {
	+ throw new UnexpectedValueException(sprintf('Topology ID "%s" from %s does not match "%s" from TopologyOpeningEvent', $event->getTopologyId(), (new ReflectionClass($event))->getShortName(), $this->topologyId));
	+ }
	+ }
	+}
	+
	+$subscriber = new MySubscriber;
	+
	+$m = create_test_manager();
	+$m->addSubscriber($subscriber);
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$m->executeCommand(DATABASE_NAME, $command);
	+
	+/* Rather than expecting a specific number or sequence of events, we can expect
	+ * that at least one assertion was made and trust that any failures would have
	+ * resulted in an exception being thrown by assertSameTopologyId(). */
	+var_dump($subscriber->numAssertions > 1);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-decodeError-001.phpt b/mongodb-1.13.0/tests/bson-corpus/array-decodeError-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-decodeError-001.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-decodeError-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-decodeError-002.phpt b/mongodb-1.13.0/tests/bson-corpus/array-decodeError-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-decodeError-002.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-decodeError-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-decodeError-003.phpt b/mongodb-1.13.0/tests/bson-corpus/array-decodeError-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-decodeError-003.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-decodeError-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-valid-001.phpt b/mongodb-1.13.0/tests/bson-corpus/array-valid-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-valid-001.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-valid-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-valid-002.phpt b/mongodb-1.13.0/tests/bson-corpus/array-valid-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-valid-002.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-valid-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-valid-003.phpt b/mongodb-1.13.0/tests/bson-corpus/array-valid-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-valid-003.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-valid-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-valid-004.phpt b/mongodb-1.13.0/tests/bson-corpus/array-valid-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-valid-004.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-valid-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/array-valid-005.phpt b/mongodb-1.13.0/tests/bson-corpus/array-valid-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/array-valid-005.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/array-valid-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-decodeError-001.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-decodeError-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-decodeError-001.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-decodeError-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-decodeError-002.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-decodeError-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-decodeError-002.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-decodeError-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-decodeError-003.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-decodeError-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-decodeError-003.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-decodeError-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-decodeError-004.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-decodeError-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-decodeError-004.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-decodeError-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-decodeError-005.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-decodeError-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-decodeError-005.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-decodeError-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-parseError-001.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-parseError-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-parseError-001.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-parseError-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-parseError-002.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-parseError-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-parseError-002.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-parseError-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-parseError-003.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-parseError-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-parseError-003.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-parseError-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-parseError-004.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-parseError-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-parseError-004.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-parseError-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-parseError-005.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-parseError-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-parseError-005.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-parseError-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-001.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-001.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-002.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-002.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-003.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-003.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-004.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-004.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-005.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-005.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-006.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-006.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-006.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-007.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-007.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-007.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-008.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-008.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-008.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-009.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-009.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-009.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-010.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-010.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson-corpus/binary-valid-010.phpt
	rename to mongodb-1.13.0/tests/bson-corpus/binary-valid-010.phpt
	diff --git a/mongodb-1.12.0/tests/bson-corpus/binary-valid-011.phpt b/mongodb-1.13.0/tests/bson-corpus/binary-valid-011.phpt
	similarity index 100%
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	new file mode 100644
	index 00000000..bb20a719
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bson/bson-fromJSON-003.phpt
	@@ -0,0 +1,18 @@
	+--TEST--
	+MongoDB\BSON\fromJSON(): Decoding JSON with duplicate field names
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+/* Note: this is a regression test for libmongoc's JSON encoder. It is not
	+ * advisable to use duplicate keys in BSON documents. */
	+hex_dump(fromJSON('{ "foo": "bar", "foo": "baz" }'));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+ 0 : 1f 00 00 00 02 66 6f 6f 00 04 00 00 00 62 61 72 [.....foo.....bar]
	+ 10 : 00 02 66 6f 6f 00 04 00 00 00 62 61 7a 00 00 [..foo.....baz..]
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bson/bson-fromJSON_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-fromJSON_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-fromJSON_error-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-fromJSON_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-fromPHP-001.phpt b/mongodb-1.13.0/tests/bson/bson-fromPHP-001.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-fromPHP-002.phpt b/mongodb-1.13.0/tests/bson/bson-fromPHP-002.phpt
	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-int64-get_properties-002.phpt b/mongodb-1.13.0/tests/bson/bson-int64-get_properties-002.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-int64-jsonserialize-001.phpt b/mongodb-1.13.0/tests/bson/bson-int64-jsonserialize-001.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-serialization_error-006.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-serialization_error-006.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-serialization_error-007.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-serialization_error-007.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-serialization_error-008.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-serialization_error-008.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-set_state-001.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-set_state-001.phpt
	similarity index 100%
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	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-set_state_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-set_state_error-001.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-set_state_error-002.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-set_state_error-002.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-set_state_error-003.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-set_state_error-003.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp-set_state_error-004.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp-set_state_error-004.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-timestamp_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-timestamp_error-001.phpt
	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toCanonicalJSON-001.phpt b/mongodb-1.13.0/tests/bson/bson-toCanonicalJSON-001.phpt
	similarity index 100%
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	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toCanonicalJSON_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-toCanonicalJSON_error-001.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toCanonicalJSON_error-002.phpt b/mongodb-1.13.0/tests/bson/bson-toCanonicalJSON_error-002.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toCanonicalJSON_error-003.phpt b/mongodb-1.13.0/tests/bson/bson-toCanonicalJSON_error-003.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toJSON-001.phpt b/mongodb-1.13.0/tests/bson/bson-toJSON-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toJSON-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toJSON-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toJSON-002.phpt b/mongodb-1.13.0/tests/bson/bson-toJSON-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toJSON-002.phpt
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	diff --git a/mongodb-1.13.0/tests/bson/bson-toJSON-003.phpt b/mongodb-1.13.0/tests/bson/bson-toJSON-003.phpt
	new file mode 100644
	index 00000000..60cf80e7
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bson/bson-toJSON-003.phpt
	@@ -0,0 +1,17 @@
	+--TEST--
	+MongoDB\BSON\toJSON(): Encoding JSON with duplicate field names
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+/* Note: this is a regression test for libmongoc's JSON encoder. It is not
	+ * advisable to use duplicate keys in BSON documents. */
	+echo toJSON(fromJSON('{ "foo": "bar", "foo": "baz" }')), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{ "foo" : "bar", "foo" : "baz" }
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bson/bson-toJSON_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-toJSON_error-001.phpt
	similarity index 100%
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	rename to mongodb-1.13.0/tests/bson/bson-toJSON_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toJSON_error-002.phpt b/mongodb-1.13.0/tests/bson/bson-toJSON_error-002.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toJSON_error-003.phpt b/mongodb-1.13.0/tests/bson/bson-toJSON_error-003.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-001.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-001.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-002.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-002.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-003.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-003.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-004.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-004.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-006.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-006.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-007.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-007.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-008.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-008.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP-008.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-009.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-009.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP-009.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-010.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-010.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-010.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP-010.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP-011.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-011.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP-011.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP-011.phpt
	diff --git a/mongodb-1.13.0/tests/bson/bson-toPHP-012.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP-012.phpt
	new file mode 100644
	index 00000000..5f6e178e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bson/bson-toPHP-012.phpt
	@@ -0,0 +1,20 @@
	+--TEST--
	+MongoDB\BSON\toPHP(): Decoding BSON with duplicate field names
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+/* Note: this is a regression test. It is not advisable to use duplicate keys in
	+ * BSON documents. */
	+var_dump(toPHP(fromJSON('{ "foo": "bar", "foo": "baz" }')));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(stdClass)#%d (%d) {
	+ ["foo"]=>
	+ string(3) "baz"
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP_error-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP_error-002.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP_error-002.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP_error-003.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP_error-003.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP_error-004.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP_error-004.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP_error-005.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP_error-005.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP_error-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toPHP_error-006.phpt b/mongodb-1.13.0/tests/bson/bson-toPHP_error-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toPHP_error-006.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toPHP_error-006.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toRelaxedJSON-001.phpt b/mongodb-1.13.0/tests/bson/bson-toRelaxedJSON-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toRelaxedJSON-001.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toRelaxedJSON-002.phpt b/mongodb-1.13.0/tests/bson/bson-toRelaxedJSON-002.phpt
	similarity index 100%
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	diff --git a/mongodb-1.12.0/tests/bson/bson-toRelaxedJSON_error-001.phpt b/mongodb-1.13.0/tests/bson/bson-toRelaxedJSON_error-001.phpt
	similarity index 100%
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	rename to mongodb-1.13.0/tests/bson/bson-toRelaxedJSON_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toRelaxedJSON_error-002.phpt b/mongodb-1.13.0/tests/bson/bson-toRelaxedJSON_error-002.phpt
	similarity index 100%
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	rename to mongodb-1.13.0/tests/bson/bson-toRelaxedJSON_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-toRelaxedJSON_error-003.phpt b/mongodb-1.13.0/tests/bson/bson-toRelaxedJSON_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-toRelaxedJSON_error-003.phpt
	rename to mongodb-1.13.0/tests/bson/bson-toRelaxedJSON_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-001.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-clone-001.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-clone-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-clone-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-clone-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-compare-001.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-compare-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-compare-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-compare-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-jsonserialize-001.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-jsonserialize-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-jsonserialize-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-jsonserialize-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-jsonserialize-002.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-jsonserialize-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-jsonserialize-002.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-jsonserialize-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-serialization-001.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-serialization-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-serialization-001.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-serialization-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-serialization-002.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-serialization-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-serialization-002.phpt
	rename to mongodb-1.13.0/tests/bson/bson-undefined-serialization-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bson-undefined-tostring-001.phpt b/mongodb-1.13.0/tests/bson/bson-undefined-tostring-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bson-undefined-tostring-001.phpt
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	diff --git a/mongodb-1.12.0/tests/bson/bug1598-002.phpt b/mongodb-1.13.0/tests/bson/bug1598-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1598-002.phpt
	rename to mongodb-1.13.0/tests/bson/bug1598-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-001.phpt b/mongodb-1.13.0/tests/bson/bug1839-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-001.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-002.phpt b/mongodb-1.13.0/tests/bson/bug1839-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-002.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-003.phpt b/mongodb-1.13.0/tests/bson/bug1839-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-003.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-004.phpt b/mongodb-1.13.0/tests/bson/bug1839-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-004.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-005.phpt b/mongodb-1.13.0/tests/bson/bug1839-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-005.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-006.phpt b/mongodb-1.13.0/tests/bson/bug1839-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-006.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-006.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-007.phpt b/mongodb-1.13.0/tests/bson/bug1839-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-007.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-007.phpt
	diff --git a/mongodb-1.12.0/tests/bson/bug1839-008.phpt b/mongodb-1.13.0/tests/bson/bug1839-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/bug1839-008.phpt
	rename to mongodb-1.13.0/tests/bson/bug1839-008.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-001.phpt b/mongodb-1.13.0/tests/bson/typemap-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-001.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-001.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-002.phpt b/mongodb-1.13.0/tests/bson/typemap-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-002.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-002.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-003.phpt b/mongodb-1.13.0/tests/bson/typemap-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-003.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-003.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-004.phpt b/mongodb-1.13.0/tests/bson/typemap-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-004.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-004.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-005.phpt b/mongodb-1.13.0/tests/bson/typemap-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-005.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-005.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-006.phpt b/mongodb-1.13.0/tests/bson/typemap-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-006.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-006.phpt
	diff --git a/mongodb-1.12.0/tests/bson/typemap-007.phpt b/mongodb-1.13.0/tests/bson/typemap-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bson/typemap-007.phpt
	rename to mongodb-1.13.0/tests/bson/typemap-007.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bug0667.phpt b/mongodb-1.13.0/tests/bulk/bug0667.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bug0667.phpt
	rename to mongodb-1.13.0/tests/bulk/bug0667.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-count-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-count-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-count-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-count-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-countable-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-countable-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-countable-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-countable-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-debug-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-debug-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-debug-001.phpt
	diff --git a/mongodb-1.13.0/tests/bulk/bulkwrite-debug-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-debug-002.phpt
	new file mode 100644
	index 00000000..485f6352
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bulk/bulkwrite-debug-002.phpt
	@@ -0,0 +1,67 @@
	+--TEST--
	+MongoDB\Driver\BulkWrite debug output after execution
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$tests = [
	+ [],
	+ ['session' => $manager->startSession()],
	+];
	+
	+foreach ($tests as $options) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['foo' => 'bar']);
	+ $manager->executeBulkWrite(NS, $bulk, $options);
	+ var_dump($bulk);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\BulkWrite)#%d (%d) {
	+ ["database"]=>
	+ %s
	+ ["collection"]=>
	+ %s
	+ ["ordered"]=>
	+ bool(true)
	+ ["bypassDocumentValidation"]=>
	+ NULL
	+ ["executed"]=>
	+ bool(true)
	+ ["server_id"]=>
	+ int(%d)
	+ ["session"]=>
	+ NULL
	+ ["write_concern"]=>
	+ NULL
	+}
	+object(MongoDB\Driver\BulkWrite)#%d (%d) {
	+ ["database"]=>
	+ %s
	+ ["collection"]=>
	+ %s
	+ ["ordered"]=>
	+ bool(true)
	+ ["bypassDocumentValidation"]=>
	+ NULL
	+ ["executed"]=>
	+ bool(true)
	+ ["server_id"]=>
	+ int(%d)
	+ ["session"]=>
	+ object(MongoDB\Driver\Session)#%d (%d) {
	+ %a
	+ }
	+ ["write_concern"]=>
	+ NULL
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-delete-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-delete-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-delete-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-delete-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-delete-002.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-delete-002.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-002.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-003.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-delete_error-003.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-003.phpt
	diff --git a/mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-005.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-005.phpt
	new file mode 100644
	index 00000000..c353ad18
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bulk/bulkwrite-delete_error-005.phpt
	@@ -0,0 +1,26 @@
	+--TEST--
	+MongoDB\Driver\BulkWrite::delete() hint option requires MongoDB 4.4 (server-side error)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_server_version('>=', '4.3.4'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->delete(['_id' => 1], ['hint' => '_id_']);
	+
	+echo throws(function() use ($manager, $bulk) {
	+ $manager->executeBulkWrite(NS, $bulk);
	+}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+BSON field 'delete.deletes.hint' is an unknown field.
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-insert-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-insert-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-insert-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-insert-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-insert-004.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-insert-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-insert-004.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-insert-004.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-insert_error-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-insert_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-insert_error-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-insert_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-insert_error-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-insert_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-insert_error-002.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-insert_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-insert_error-003.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-insert_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-insert_error-003.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-insert_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update-001.phpt
	diff --git a/mongodb-1.13.0/tests/bulk/bulkwrite-update-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update-002.phpt
	new file mode 100644
	index 00000000..b8a57212
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bulk/bulkwrite-update-002.phpt
	@@ -0,0 +1,83 @@
	+--TEST--
	+MongoDB\Driver\BulkWrite::update() with arrayFilters option
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+
	+$bulk->insert([ '_id' => 1, 'grades' => [ 95, 92, 90 ] ]);
	+$bulk->insert([ '_id' => 2, 'grades' => [ 98, 100, 102 ] ]);
	+$bulk->insert([ '_id' => 3, 'grades' => [ 95, 110, 100 ] ]);
	+
	+$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	+
	+$updateBulk = new MongoDB\Driver\BulkWrite();
	+
	+$query = ['grades' => ['$gte' => 100]];
	+$update = [ '$set' => [ 'grades.$[element]' => 100 ] ];
	+$options = [
	+ 'arrayFilters' => [ [ 'element' => [ '$gte' => 100 ] ] ],
	+ 'multi' => true
	+];
	+
	+$updateBulk->update($query, $update, $options);
	+$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $updateBulk);
	+
	+$cursor = $manager->executeQuery( DATABASE_NAME . '.' . COLLECTION_NAME, new \MongoDB\Driver\Query([]));
	+var_dump($cursor->toArray());
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+array(%d) {
	+ [0]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(1)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(95)
	+ [1]=>
	+ int(92)
	+ [2]=>
	+ int(90)
	+ }
	+ }
	+ [1]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(2)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(98)
	+ [1]=>
	+ int(100)
	+ [2]=>
	+ int(100)
	+ }
	+ }
	+ [2]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(3)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(95)
	+ [1]=>
	+ int(100)
	+ [2]=>
	+ int(100)
	+ }
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update-003.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update-003.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update-003.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update-004.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update-004.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update-004.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update_error-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update_error-002.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-003.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update_error-003.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-004.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update_error-004.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite-update_error-005.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite-update_error-005.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite-update_error-005.phpt
	diff --git a/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-008.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-008.phpt
	new file mode 100644
	index 00000000..5de3ca34
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/bulk/bulkwrite-update_error-008.phpt
	@@ -0,0 +1,26 @@
	+--TEST--
	+MongoDB\Driver\BulkWrite::update() hint option requires MongoDB 4.2 (server-side error)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_server_version('>=', '4.2'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->update(['_id' => 1], ['$set' => ['x' => 11]], ['hint' => '_id_']);
	+
	+echo throws(function() use ($manager, $bulk) {
	+ $manager->executeBulkWrite(NS, $bulk);
	+}, 'MongoDB\Driver\Exception\BulkWriteException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+BSON field 'update.updates.hint' is an unknown field.
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite_error-001.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite_error-001.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/bulkwrite_error-002.phpt b/mongodb-1.13.0/tests/bulk/bulkwrite_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/bulkwrite_error-002.phpt
	rename to mongodb-1.13.0/tests/bulk/bulkwrite_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/write-0001.phpt b/mongodb-1.13.0/tests/bulk/write-0001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/write-0001.phpt
	rename to mongodb-1.13.0/tests/bulk/write-0001.phpt
	diff --git a/mongodb-1.12.0/tests/bulk/write-0002.phpt b/mongodb-1.13.0/tests/bulk/write-0002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/bulk/write-0002.phpt
	rename to mongodb-1.13.0/tests/bulk/write-0002.phpt
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-001.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-001.phpt
	new file mode 100644
	index 00000000..19a2e7d2
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-001.phpt
	@@ -0,0 +1,26 @@
	+--TEST--
	+Causal consistency: new session has no operation time
	+--DESCRIPTION--
	+Causal consistency spec prose test #1
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo "Initial operation time:\n";
	+var_dump($session->getOperationTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Initial operation time:
	+NULL
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-002.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-002.phpt
	new file mode 100644
	index 00000000..4c2d5bbf
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-002.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+Causal consistency: first read in session does not include afterClusterTime
	+--DESCRIPTION--
	+Causal consistency spec prose test #2
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("Read includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Read includes afterClusterTime: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-003.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-003.phpt
	new file mode 100644
	index 00000000..89240e09
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-003.phpt
	@@ -0,0 +1,116 @@
	+--TEST--
	+Causal consistency: first read or write in session updates operationTime
	+--DESCRIPTION--
	+Causal consistency spec prose test #3
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lastSeenOperationTime;
	+
	+ public function executeBulkWrite()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+ printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function executeCommand()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $command = new MongoDB\Driver\Command(['ping' => 1]);
	+ $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+ printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function executeQuery()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+ printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ $reply = $event->getReply();
	+ $hasOperationTime = isset($reply->{'operationTime'});
	+
	+ printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	+
	+ if ($hasOperationTime) {
	+ $this->lastSeenOperationTime = $reply->operationTime;
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+echo "Testing executeBulkWrite()\n";
	+(new Test)->executeBulkWrite();
	+
	+echo "\nTesting executeCommand()\n";
	+(new Test)->executeCommand();
	+
	+echo "\nTesting executeQuery()\n";
	+(new Test)->executeQuery();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing executeBulkWrite()
	+insert command reply includes operationTime: yes
	+Session reports last seen operationTime: yes
	+
	+Testing executeCommand()
	+ping command reply includes operationTime: yes
	+Session reports last seen operationTime: yes
	+
	+Testing executeQuery()
	+find command reply includes operationTime: yes
	+Session reports last seen operationTime: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-004.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-004.phpt
	new file mode 100644
	index 00000000..6c36698e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-004.phpt
	@@ -0,0 +1,139 @@
	+--TEST--
	+Causal consistency: first read or write in session updates operationTime (even on error)
	+--DESCRIPTION--
	+Causal consistency spec prose test #3
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lastSeenOperationTime;
	+
	+ public function executeBulkWrite()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['_id' => 1]);
	+ $bulk->insert(['_id' => 1]);
	+
	+ throws(function() use ($manager, $bulk, $session) {
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+ }, 'MongoDB\Driver\Exception\BulkWriteException');
	+
	+ printf("Session reports last seen operationTime: %s\n", ($session->getOperationTime() == $this->lastSeenOperationTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function executeCommand()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$unsupportedOperator' => 1],
	+ ],
	+ 'cursor' => new stdClass,
	+ ]);
	+
	+ throws(function() use ($manager, $command, $session) {
	+ $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ }, 'MongoDB\Driver\Exception\RuntimeException');
	+
	+ /* We cannot access the server reply if an exception is thrown for a
	+ * failed command (see: PHPC-1076). For the time being, just assert that
	+ * the operationTime is not null. */
	+ printf("Session has non-null operationTime: %s\n", ($session->getOperationTime() !== null ? 'yes' : 'no'));
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function executeQuery()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query(['$unsupportedOperator' => 1]);
	+
	+ throws(function() use ($manager, $query, $session) {
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ }, 'MongoDB\Driver\Exception\RuntimeException');
	+
	+ /* We cannot access the server reply if an exception is thrown for a
	+ * failed command (see: PHPC-1076). For the time being, just assert that
	+ * the operationTime is not null. */
	+ printf("Session has non-null operationTime: %s\n", ($session->getOperationTime() !== null ? 'yes' : 'no'));
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ $reply = $event->getReply();
	+ $hasOperationTime = isset($reply->operationTime);
	+
	+ printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	+
	+ if ($hasOperationTime) {
	+ $this->lastSeenOperationTime = $reply->operationTime;
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+echo "Testing executeBulkWrite()\n";
	+(new Test)->executeBulkWrite();
	+
	+echo "\nTesting executeCommand()\n";
	+(new Test)->executeCommand();
	+
	+echo "\nTesting executeQuery()\n";
	+(new Test)->executeQuery();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing executeBulkWrite()
	+insert command reply includes operationTime: yes
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+Session reports last seen operationTime: yes
	+
	+Testing executeCommand()
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Session has non-null operationTime: yes
	+
	+Testing executeQuery()
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Session has non-null operationTime: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-005.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-005.phpt
	new file mode 100644
	index 00000000..d01c94a4
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-005.phpt
	@@ -0,0 +1,105 @@
	+--TEST--
	+Causal consistency: second read's afterClusterTime uses last reply's operationTime
	+--DESCRIPTION--
	+Causal consistency spec prose test #4 and #5
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lastSeenOperationTime;
	+
	+ public function executeReadAfterRead()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function executeReadAfterWrite()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("%s command includes afterClusterTime: %s\n", $event->getCommandName(), ($hasAfterClusterTime ? 'yes' : 'no'));
	+
	+ if ($hasAfterClusterTime && $this->lastSeenOperationTime !== null) {
	+ printf("%s command uses last seen operationTime: %s\n", $event->getCommandName(), ($command->readConcern->afterClusterTime == $this->lastSeenOperationTime) ? 'yes' : 'no');
	+ }
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ $reply = $event->getReply();
	+ $hasOperationTime = isset($reply->operationTime);
	+
	+ printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	+
	+ if ($hasOperationTime) {
	+ $this->lastSeenOperationTime = $reply->operationTime;
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+echo "Testing read after read\n";
	+(new Test)->executeReadAfterRead();
	+
	+echo "\nTesting read after write\n";
	+(new Test)->executeReadAfterWrite();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing read after read
	+find command includes afterClusterTime: no
	+find command reply includes operationTime: yes
	+find command includes afterClusterTime: yes
	+find command uses last seen operationTime: yes
	+find command reply includes operationTime: yes
	+
	+Testing read after write
	+insert command includes afterClusterTime: no
	+insert command reply includes operationTime: yes
	+find command includes afterClusterTime: yes
	+find command uses last seen operationTime: yes
	+find command reply includes operationTime: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-006.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-006.phpt
	new file mode 100644
	index 00000000..e8470035
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-006.phpt
	@@ -0,0 +1,120 @@
	+--TEST--
	+Causal consistency: second read's afterClusterTime uses last reply's operationTime (even on error)
	+--DESCRIPTION--
	+Causal consistency spec prose test #4 and #5
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lastSeenOperationTime;
	+
	+ public function executeReadAfterReadError()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query(['$unsupportedOperator' => 1]);
	+
	+ throws(function() use ($manager, $query, $session) {
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ }, 'MongoDB\Driver\Exception\RuntimeException');
	+
	+ /* We cannot access the server reply if an exception is thrown for a
	+ * failed command (see: PHPC-1076). For the time being, just assert that
	+ * the operationTime is not null. */
	+ printf("Session has non-null operationTime: %s\n", ($session->getOperationTime() !== null ? 'yes' : 'no'));
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function executeReadAfterWriteError()
	+ {
	+ $this->lastSeenOperationTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['_id' => 1]);
	+ $bulk->insert(['_id' => 1]);
	+
	+ throws(function() use ($manager, $bulk, $session) {
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+ }, 'MongoDB\Driver\Exception\BulkWriteException');
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("%s command includes afterClusterTime: %s\n", $event->getCommandName(), ($hasAfterClusterTime ? 'yes' : 'no'));
	+
	+ if ($hasAfterClusterTime && $this->lastSeenOperationTime !== null) {
	+ printf("%s command uses last seen operationTime: %s\n", $event->getCommandName(), ($command->readConcern->afterClusterTime == $this->lastSeenOperationTime) ? 'yes' : 'no');
	+ }
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ $reply = $event->getReply();
	+ $hasOperationTime = isset($reply->operationTime);
	+
	+ printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
	+
	+ if ($hasOperationTime) {
	+ $this->lastSeenOperationTime = $reply->operationTime;
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+echo "\nTesting read after read error\n";
	+(new Test)->executeReadAfterReadError();
	+
	+echo "\nTesting read after write error\n";
	+(new Test)->executeReadAfterWriteError();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing read after read error
	+find command includes afterClusterTime: no
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Session has non-null operationTime: yes
	+find command includes afterClusterTime: yes
	+find command reply includes operationTime: yes
	+
	+Testing read after write error
	+insert command includes afterClusterTime: no
	+insert command reply includes operationTime: yes
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+find command includes afterClusterTime: yes
	+find command uses last seen operationTime: yes
	+find command reply includes operationTime: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-007.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-007.phpt
	new file mode 100644
	index 00000000..e2a45a34
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-007.phpt
	@@ -0,0 +1,37 @@
	+--TEST--
	+Causal consistency: reads in non-causally consistent session never include afterClusterTime
	+--DESCRIPTION--
	+Causal consistency spec prose test #6
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession(['causalConsistency' => false]);
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("Read includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Read includes afterClusterTime: no
	+Read includes afterClusterTime: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-008.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-008.phpt
	new file mode 100644
	index 00000000..f9e9a5a8
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-008.phpt
	@@ -0,0 +1,37 @@
	+--TEST--
	+Causal consistency: reads in causally consistent session never include afterClusterTime for unsupported deployment
	+--DESCRIPTION--
	+Causal consistency spec prose test #7
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_standalone(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession(['causalConsistency' => true]);
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("Read includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Read includes afterClusterTime: no
	+Read includes afterClusterTime: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-009.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-009.phpt
	new file mode 100644
	index 00000000..94496886
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-009.phpt
	@@ -0,0 +1,42 @@
	+--TEST--
	+Causal consistency: default read concern includes afterClusterTime but not level
	+--DESCRIPTION--
	+Causal consistency spec prose test #8
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("Read concern includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	+
	+ $hasLevel = isset($command->readConcern->level);
	+ printf("Read concern includes level: %s\n", ($hasLevel ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Read concern includes afterClusterTime: no
	+Read concern includes level: no
	+Read concern includes afterClusterTime: yes
	+Read concern includes level: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-010.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-010.phpt
	new file mode 100644
	index 00000000..d64c9872
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-010.phpt
	@@ -0,0 +1,43 @@
	+--TEST--
	+Causal consistency: custom read concern merges afterClusterTime and level
	+--DESCRIPTION--
	+Causal consistency spec prose test #9
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $readConcern = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);
	+ $query = new MongoDB\Driver\Query([], ['readConcern' => $readConcern]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
	+ printf("Read concern includes afterClusterTime: %s\n", ($hasAfterClusterTime ? 'yes' : 'no'));
	+
	+ $hasLevel = isset($command->readConcern->level);
	+ printf("Read concern includes level: %s\n", ($hasLevel ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Read concern includes afterClusterTime: no
	+Read concern includes level: yes
	+Read concern includes afterClusterTime: yes
	+Read concern includes level: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-011.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-011.phpt
	new file mode 100644
	index 00000000..13cc68b8
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-011.phpt
	@@ -0,0 +1,38 @@
	+--TEST--
	+Causal consistency: $clusterTime is not sent in commands to unsupported deployments
	+--DESCRIPTION--
	+Causal consistency spec prose test #11
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_standalone(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasClusterTime = isset($command->{'$clusterTime'});
	+ printf("Command includes \$clusterTime: %s\n", ($hasClusterTime ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Command includes $clusterTime: no
	+Command includes $clusterTime: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/causal-consistency/causal-consistency-012.phpt b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-012.phpt
	new file mode 100644
	index 00000000..738cc6e8
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/causal-consistency/causal-consistency-012.phpt
	@@ -0,0 +1,38 @@
	+--TEST--
	+Causal consistency: $clusterTime is sent in commands to supported deployments
	+--DESCRIPTION--
	+Causal consistency spec prose test #12
	+https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_load_balanced(); /* TODO: CDRIVER-4174 */ ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+(new CommandObserver)->observe(
	+ function() {
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ },
	+ function(stdClass $command)
	+ {
	+ $hasClusterTime = isset($command->{'$clusterTime'});
	+ printf("Command includes \$clusterTime: %s\n", ($hasClusterTime ? 'yes' : 'no'));
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Command includes $clusterTime: yes
	+Command includes $clusterTime: yes
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-constants.phpt b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-constants.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/clientEncryption/clientEncryption-constants.phpt
	rename to mongodb-1.13.0/tests/clientEncryption/clientEncryption-constants.phpt
	diff --git a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-createDataKey-001.phpt b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-createDataKey-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/clientEncryption/clientEncryption-createDataKey-001.phpt
	rename to mongodb-1.13.0/tests/clientEncryption/clientEncryption-createDataKey-001.phpt
	diff --git a/mongodb-1.12.0/tests/clientEncryption/clientEncryption-createDataKey_error-001.phpt b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-createDataKey_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/clientEncryption/clientEncryption-createDataKey_error-001.phpt
	rename to mongodb-1.13.0/tests/clientEncryption/clientEncryption-createDataKey_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/clientEncryption/clientEncryption-decrypt-001.phpt b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-decrypt-001.phpt
	new file mode 100644
	index 00000000..c76971b6
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-decrypt-001.phpt
	@@ -0,0 +1,27 @@
	+--TEST--
	+MongoDB\Driver\ClientEncryption::decrypt()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongocrypt(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$key = base64_decode('Mng0NCt4ZHVUYUJCa1kxNkVyNUR1QURhZ2h2UzR2d2RrZzh0cFBwM3R6NmdWMDFBMUN3YkQ5aXRRMkhGRGdQV09wOGVNYUMxT2k3NjZKelhaQmRCZGJkTXVyZG9uSjFk');
	+
	+$manager = create_test_manager();
	+$clientEncryption = $manager->createClientEncryption(['keyVaultNamespace' => 'default.keys', 'kmsProviders' => ['local' => ['key' => new MongoDB\BSON\Binary($key, 0)]]]);
	+
	+$key = $clientEncryption->createDataKey('local');
	+
	+$encrypted = $clientEncryption->encrypt('top-secret', ['keyId' => $key, 'algorithm' => MongoDB\Driver\ClientEncryption::AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC]);
	+var_dump($clientEncryption->decrypt($encrypted));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+string(10) "top-secret"
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/clientEncryption/clientEncryption-encrypt-001.phpt b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-encrypt-001.phpt
	new file mode 100644
	index 00000000..9dd1922f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/clientEncryption/clientEncryption-encrypt-001.phpt
	@@ -0,0 +1,31 @@
	+--TEST--
	+MongoDB\Driver\ClientEncryption::encrypt()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongocrypt(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$key = base64_decode('Mng0NCt4ZHVUYUJCa1kxNkVyNUR1QURhZ2h2UzR2d2RrZzh0cFBwM3R6NmdWMDFBMUN3YkQ5aXRRMkhGRGdQV09wOGVNYUMxT2k3NjZKelhaQmRCZGJkTXVyZG9uSjFk');
	+
	+$manager = create_test_manager();
	+$clientEncryption = $manager->createClientEncryption(['keyVaultNamespace' => 'default.keys', 'kmsProviders' => ['local' => ['key' => new MongoDB\BSON\Binary($key, 0)]]]);
	+
	+$key = $clientEncryption->createDataKey('local');
	+
	+var_dump($clientEncryption->encrypt('top-secret', ['keyId' => $key, 'algorithm' => MongoDB\Driver\ClientEncryption::AEAD_AES_256_CBC_HMAC_SHA_512_DETERMINISTIC]));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(82) "%a"
	+ ["type"]=>
	+ int(6)
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/command/command-ctor-001.phpt b/mongodb-1.13.0/tests/command/command-ctor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/command/command-ctor-001.phpt
	rename to mongodb-1.13.0/tests/command/command-ctor-001.phpt
	diff --git a/mongodb-1.12.0/tests/command/command_error-001.phpt b/mongodb-1.13.0/tests/command/command_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/command/command_error-001.phpt
	rename to mongodb-1.13.0/tests/command/command_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/command/cursor-batchsize-001.phpt b/mongodb-1.13.0/tests/command/cursor-batchsize-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/command/cursor-batchsize-001.phpt
	rename to mongodb-1.13.0/tests/command/cursor-batchsize-001.phpt
	diff --git a/mongodb-1.12.0/tests/command/cursor-batchsize-002.phpt b/mongodb-1.13.0/tests/command/cursor-batchsize-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/command/cursor-batchsize-002.phpt
	rename to mongodb-1.13.0/tests/command/cursor-batchsize-002.phpt
	diff --git a/mongodb-1.13.0/tests/command/cursor-tailable-001.phpt b/mongodb-1.13.0/tests/command/cursor-tailable-001.phpt
	new file mode 100644
	index 00000000..85864521
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/command/cursor-tailable-001.phpt
	@@ -0,0 +1,71 @@
	+--TEST--
	+MongoDB\Driver\Command tailable cursor iteration with maxAwaitTimeMS option
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+$manager = create_test_manager();
	+
	+$manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	+ 'create' => COLLECTION_NAME,
	+ 'capped' => true,
	+ 'size' => 1048576,
	+]));
	+
	+$bulkWrite = new MongoDB\Driver\BulkWrite;
	+$bulkWrite->insert(['_id' => 1]);
	+$manager->executeBulkWrite(NS, $bulkWrite);
	+
	+$pipeline = [
	+ [ '$changeStream' => [ 'fullDocument' => 'updateLookup' ] ]
	+];
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => $pipeline,
	+ 'cursor' => ['batchSize' => 0],
	+], [
	+ 'maxAwaitTimeMS' => 500,
	+]);
	+
	+$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+$it = new IteratorIterator($cursor);
	+
	+$it->rewind();
	+$it->next();
	+
	+$bulkWrite = new MongoDB\Driver\BulkWrite;
	+$bulkWrite->insert(['_id' => "new-document"]);
	+$manager->executeBulkWrite(NS, $bulkWrite);
	+
	+$startTime = microtime(true);
	+echo "Awaiting results...\n";
	+$it->next();
	+var_dump($it->current()->operationType, $it->current()->documentKey);
	+printf("Waited for %.6f seconds\n", microtime(true) - $startTime);
	+
	+$startTime = microtime(true);
	+echo "Awaiting results...\n";
	+$it->next();
	+var_dump($it->current()); /* Should be NULL */
	+printf("Waited for %.6f seconds\n", microtime(true) - $startTime);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Awaiting results...
	+string(6) "insert"
	+object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ string(12) "new-document"
	+}
	+Waited for 0.%d seconds
	+Awaiting results...
	+NULL
	+Waited for 0.%r(4\|5)\d*%r seconds
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/command/findAndModify-001.phpt b/mongodb-1.13.0/tests/command/findAndModify-001.phpt
	new file mode 100644
	index 00000000..e0b19b7b
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/command/findAndModify-001.phpt
	@@ -0,0 +1,83 @@
	+--TEST--
	+MongoDB\Driver\Command with findAndModify and arrayFilters
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+
	+$bulk->insert([ '_id' => 1, 'grades' => [ 95, 92, 90 ] ]);
	+$bulk->insert([ '_id' => 2, 'grades' => [ 98, 100, 102 ] ]);
	+$bulk->insert([ '_id' => 3, 'grades' => [ 95, 110, 100 ] ]);
	+
	+$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['grades' => [ '$gt' => 100 ] ],
	+ 'update' => ['$set' => [ 'grades.$[element]' => 100 ] ],
	+ 'arrayFilters' => [ [ 'element' => [ '$gt' => 100 ] ] ],
	+]);
	+
	+// Running this twice, because findAndModify only updates the first document
	+// it finds.
	+$manager->executeCommand(DATABASE_NAME, $command);
	+$manager->executeCommand(DATABASE_NAME, $command);
	+
	+$cursor = $manager->executeQuery( DATABASE_NAME . '.' . COLLECTION_NAME, new \MongoDB\Driver\Query([]));
	+var_dump($cursor->toArray());
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+array(%d) {
	+ [0]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(1)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(95)
	+ [1]=>
	+ int(92)
	+ [2]=>
	+ int(90)
	+ }
	+ }
	+ [1]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(2)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(98)
	+ [1]=>
	+ int(100)
	+ [2]=>
	+ int(100)
	+ }
	+ }
	+ [2]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(3)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(95)
	+ [1]=>
	+ int(100)
	+ [2]=>
	+ int(100)
	+ }
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/command/update-001.phpt b/mongodb-1.13.0/tests/command/update-001.phpt
	new file mode 100644
	index 00000000..acb6adc8
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/command/update-001.phpt
	@@ -0,0 +1,83 @@
	+--TEST--
	+MongoDB\Driver\Command with update and arrayFilters
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+
	+$bulk->insert([ '_id' => 1, 'grades' => [ 95, 92, 90 ] ]);
	+$bulk->insert([ '_id' => 2, 'grades' => [ 98, 100, 102 ] ]);
	+$bulk->insert([ '_id' => 3, 'grades' => [ 95, 110, 100 ] ]);
	+
	+$manager->executeBulkWrite(DATABASE_NAME . '.' . COLLECTION_NAME, $bulk);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'update' => COLLECTION_NAME,
	+ 'updates' => [[
	+ 'q' => [ 'grades' => [ '$gte' => 100 ] ],
	+ 'u' => [ '$set' => [ 'grades.$[element]' => 100 ] ],
	+ 'arrayFilters' => [ [ 'element' => [ '$gte' => 100 ] ] ],
	+ 'multi' => true
	+ ]],
	+]);
	+
	+$manager->executeCommand(DATABASE_NAME, $command);
	+
	+$cursor = $manager->executeQuery( DATABASE_NAME . '.' . COLLECTION_NAME, new \MongoDB\Driver\Query([]));
	+var_dump($cursor->toArray());
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+array(%d) {
	+ [0]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(1)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(95)
	+ [1]=>
	+ int(92)
	+ [2]=>
	+ int(90)
	+ }
	+ }
	+ [1]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(2)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(98)
	+ [1]=>
	+ int(100)
	+ [2]=>
	+ int(100)
	+ }
	+ }
	+ [2]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(3)
	+ ["grades"]=>
	+ array(%d) {
	+ [0]=>
	+ int(95)
	+ [1]=>
	+ int(100)
	+ [2]=>
	+ int(100)
	+ }
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/bug0720.phpt b/mongodb-1.13.0/tests/connect/bug0720.phpt
	new file mode 100644
	index 00000000..95a2ab57
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/bug0720.phpt
	@@ -0,0 +1,38 @@
	+--TEST--
	+PHPC-720: Do not persist SSL streams to avoid SSL reinitialization errors
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_no_ssl_dir(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$driverOptions = [
	+ // libmongoc does not allow the hostname to be overridden as "server"
	+ 'allow_invalid_hostname' => true,
	+ 'ca_file' => SSL_DIR . '/ca.pem',
	+];
	+
	+$manager = create_test_manager(URI, [], $driverOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+unset($manager, $cursor);
	+
	+$manager = create_test_manager(URI, [], $driverOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "ca_file" driver option is deprecated. Please use the "tlsCAFile" URI option instead.%s
	+ping: 1
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/bug1015.phpt b/mongodb-1.13.0/tests/connect/bug1015.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/bug1015.phpt
	rename to mongodb-1.13.0/tests/connect/bug1015.phpt
	diff --git a/mongodb-1.13.0/tests/connect/bug1045.phpt b/mongodb-1.13.0/tests/connect/bug1045.phpt
	new file mode 100644
	index 00000000..102386ba
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/bug1045.phpt
	@@ -0,0 +1,22 @@
	+--TEST--
	+PHPC-1045: Segfault if username is not provided for SCRAM-SHA-1 authMechanism
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+echo throws(function() {
	+ // URI may or may not support auth, but that is not necessary for the test
	+ create_test_manager('mongodb://127.0.0.1/', ['authMechanism' => 'SCRAM-SHA-1']);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: 'SCRAM-SHA-1' authentication mechanism requires username
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/compression_error-001.phpt b/mongodb-1.13.0/tests/connect/compression_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/compression_error-001.phpt
	rename to mongodb-1.13.0/tests/connect/compression_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/compression_error-002.phpt b/mongodb-1.13.0/tests/connect/compression_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/compression_error-002.phpt
	rename to mongodb-1.13.0/tests/connect/compression_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/connect/replicaset-seedlist-001.phpt b/mongodb-1.13.0/tests/connect/replicaset-seedlist-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/replicaset-seedlist-001.phpt
	rename to mongodb-1.13.0/tests/connect/replicaset-seedlist-001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/replicaset-seedlist-002.phpt b/mongodb-1.13.0/tests/connect/replicaset-seedlist-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/replicaset-seedlist-002.phpt
	rename to mongodb-1.13.0/tests/connect/replicaset-seedlist-002.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-auth-001.phpt b/mongodb-1.13.0/tests/connect/standalone-auth-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-auth-001.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-auth-001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-auth_error-001.phpt b/mongodb-1.13.0/tests/connect/standalone-auth_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-auth_error-001.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-auth_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-plain-0001.phpt b/mongodb-1.13.0/tests/connect/standalone-plain-0001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-plain-0001.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-plain-0001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-plain-0002.phpt b/mongodb-1.13.0/tests/connect/standalone-plain-0002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-plain-0002.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-plain-0002.phpt
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-001.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-001.phpt
	new file mode 100644
	index 00000000..f1d36502
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-001.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+Connect to MongoDB with SSL and no host/cert verification (driver options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$driverOptions = [
	+ 'allow_invalid_hostname' => true,
	+ "weak_cert_validation" => true,
	+];
	+
	+$manager = create_test_manager(URI, [], $driverOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "weak_cert_validation" driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-002.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-002.phpt
	new file mode 100644
	index 00000000..3a09ff0e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-002.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+Connect to MongoDB with SSL and no host/cert verification (context options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$driverOptions = [
	+ 'context' => stream_context_create([
	+ 'ssl' => [
	+ 'allow_invalid_hostname' => true,
	+ 'allow_self_signed' => true, // "weak_cert_validation" alias
	+ ],
	+ ]),
	+];
	+
	+$manager = create_test_manager(URI, [], $driverOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-003.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-003.phpt
	new file mode 100644
	index 00000000..266590c7
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-no_verify-003.phpt
	@@ -0,0 +1,26 @@
	+--TEST--
	+Connect to MongoDB with SSL and no host/cert verification (URI options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$uriOptions = [
	+ 'tlsAllowInvalidHostnames' => true,
	+ 'tlsAllowInvalidCertificates' => true,
	+];
	+
	+$manager = create_test_manager(URI, $uriOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-001.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-001.phpt
	new file mode 100644
	index 00000000..39f6acd0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-001.phpt
	@@ -0,0 +1,34 @@
	+--TEST--
	+Connect to MongoDB with SSL and cert verification (driver options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_no_ssl_dir(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$driverOptions = [
	+ // libmongoc does not allow the hostname to be overridden as "server"
	+ 'allow_invalid_hostname' => true,
	+ 'weak_cert_validation' => false,
	+ 'ca_file' => SSL_DIR . '/ca.pem',
	+];
	+
	+$manager = create_test_manager(URI, [], $driverOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "weak_cert_validation" driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "ca_file" driver option is deprecated. Please use the "tlsCAFile" URI option instead.%s
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-002.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-002.phpt
	new file mode 100644
	index 00000000..18807921
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-002.phpt
	@@ -0,0 +1,40 @@
	+--TEST--
	+Connect to MongoDB with SSL and cert verification (context options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_no_ssl_dir(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$driverOptions = [
	+ 'context' => stream_context_create([
	+ 'ssl' => [
	+ // libmongoc does not allow the hostname to be overridden as "server"
	+ 'allow_invalid_hostname' => true,
	+ 'allow_self_signed' => false, // "weak_cert_validation" alias
	+ 'cafile' => SSL_DIR . '/ca.pem', // "ca_file" alias
	+ ],
	+ ]),
	+];
	+
	+$manager = create_test_manager(URI, [], $driverOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "cafile" context driver option is deprecated. Please use the "tlsCAFile" URI option instead.%s
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-003.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-003.phpt
	new file mode 100644
	index 00000000..c66186a4
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-003.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+Connect to MongoDB with SSL and cert verification (URI options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_no_ssl_dir(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$uriOptions = [
	+ // libmongoc does not allow the hostname to be overridden as "server"
	+ 'tlsAllowInvalidHostnames' => true,
	+ 'tlsAllowInvalidCertificates' => false,
	+ 'tlsCAFile' => SSL_DIR . '/ca.pem',
	+];
	+
	+$manager = create_test_manager(URI, $uriOptions);
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-001.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-001.phpt
	new file mode 100644
	index 00000000..ea43c76e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-001.phpt
	@@ -0,0 +1,32 @@
	+--TEST--
	+Connect to MongoDB with SSL and cert verification error (driver options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$driverOptions = [
	+ // libmongoc does not allow the hostname to be overridden as "server"
	+ 'allow_invalid_hostname' => true,
	+ 'weak_cert_validation' => false,
	+];
	+
	+echo throws(function() use ($driverOptions) {
	+ $manager = create_test_manager(URI, [], $driverOptions);
	+ $cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ var_dump($cursor->toArray()[0]);
	+}, MongoDB\Driver\Exception\ConnectionException::class, 'executeCommand'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_invalid_hostname" driver option is deprecated. Please use the "tlsAllowInvalidHostnames" URI option instead.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "weak_cert_validation" driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+OK: Got MongoDB\Driver\Exception\ConnectionException thrown from executeCommand
	+%sTLS handshake failed%s
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-error-002.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-ssl-verify_cert-error-002.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-002.phpt
	diff --git a/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-003.phpt b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-003.phpt
	new file mode 100644
	index 00000000..7a51dfcb
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/connect/standalone-ssl-verify_cert-error-003.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+Connect to MongoDB with SSL and cert verification error (URI options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$uriOptions = [
	+ // libmongoc does not allow the hostname to be overridden as "server"
	+ 'tlsAllowInvalidHostnames' => true,
	+ 'tlsAllowInvalidCertificates' => false,
	+];
	+
	+echo throws(function() use ($uriOptions) {
	+ $manager = create_test_manager(URI, $uriOptions);
	+ $cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ var_dump($cursor->toArray()[0]);
	+}, MongoDB\Driver\Exception\ConnectionException::class, 'executeCommand'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+OK: Got MongoDB\Driver\Exception\ConnectionException thrown from executeCommand
	+%sTLS handshake failed%s
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/connect/standalone-x509-auth-001.phpt b/mongodb-1.13.0/tests/connect/standalone-x509-auth-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-x509-auth-001.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-x509-auth-001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-x509-auth-002.phpt b/mongodb-1.13.0/tests/connect/standalone-x509-auth-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-x509-auth-002.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-x509-auth-002.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-x509-error-0001.phpt b/mongodb-1.13.0/tests/connect/standalone-x509-error-0001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-x509-error-0001.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-x509-error-0001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-x509-extract_username-001.phpt b/mongodb-1.13.0/tests/connect/standalone-x509-extract_username-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-x509-extract_username-001.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-x509-extract_username-001.phpt
	diff --git a/mongodb-1.12.0/tests/connect/standalone-x509-extract_username-002.phpt b/mongodb-1.13.0/tests/connect/standalone-x509-extract_username-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/connect/standalone-x509-extract_username-002.phpt
	rename to mongodb-1.13.0/tests/connect/standalone-x509-extract_username-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug0671-001.phpt b/mongodb-1.13.0/tests/cursor/bug0671-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug0671-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug0671-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug0732-001.phpt b/mongodb-1.13.0/tests/cursor/bug0732-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug0732-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug0732-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug0849-001.phpt b/mongodb-1.13.0/tests/cursor/bug0849-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug0849-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug0849-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug0924-001.phpt b/mongodb-1.13.0/tests/cursor/bug0924-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug0924-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug0924-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug0924-002.phpt b/mongodb-1.13.0/tests/cursor/bug0924-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug0924-002.phpt
	rename to mongodb-1.13.0/tests/cursor/bug0924-002.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/bug1050-001.phpt b/mongodb-1.13.0/tests/cursor/bug1050-001.phpt
	new file mode 100644
	index 00000000..b64efbbd
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1050-001.phpt
	@@ -0,0 +1,109 @@
	+--TEST--
	+PHPC-1050: Command cursor should not invoke getMore at execution
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	+ return;
	+ }
	+
	+ printf("Executing command: %s\n", $event->getCommandName());
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	+ return;
	+ }
	+
	+ printf("Executing command took %0.6f seconds\n", $event->getDurationMicros() / 1000000);
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager();
	+
	+$cmd = new MongoDB\Driver\Command(
	+ [
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$changeStream' => (object) []],
	+ ],
	+ 'cursor' => (object) [],
	+ ],
	+ [
	+ 'maxAwaitTimeMS' => 500,
	+ ]
	+);
	+
	+MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	+
	+$cursor = $manager->executeReadCommand(DATABASE_NAME, $cmd);
	+
	+$it = new IteratorIterator($cursor);
	+
	+printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	+
	+echo "Rewinding cursor\n";
	+$it->rewind();
	+
	+printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "Advancing cursor\n";
	+$it->next();
	+
	+printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	+
	+$document = $it->current();
	+
	+if (isset($document)) {
	+ printf("Operation type: %s\n", $document->operationType);
	+ var_dump($document->fullDocument);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Executing command: aggregate
	+Executing command took 0.%d seconds
	+Current position is valid: no
	+
	+Rewinding cursor
	+Executing command: getMore
	+Executing command took 0.%r(4\|5)%r%d seconds
	+Current position is valid: no
	+
	+Advancing cursor
	+Executing command: getMore
	+Executing command took 0.%d seconds
	+Current position is valid: yes
	+
	+Operation type: insert
	+object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+ ["x"]=>
	+ int(1)
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1050-002.phpt b/mongodb-1.13.0/tests/cursor/bug1050-002.phpt
	new file mode 100644
	index 00000000..42c3bfe6
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1050-002.phpt
	@@ -0,0 +1,117 @@
	+--TEST--
	+PHPC-1050: Command cursor should not invoke getMore at execution (rewind omitted)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_php_version('>', '7.99'); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+/* Note: this test is skipped on PHP 8 because the InternalIterator class
	+ * returned by Cursor::getIterator() has logic to ensure rewind() is always
	+ * called. That causes and additional getMore to be observed when starting
	+ * iteration with next(), since rewind() and next() both trigger a getMore.
	+ * We may be able to resume running this test on PHP 8 if Cursor implements
	+ * Iterator directly and allow rewind() to be optional (see: PHPC-1691). */
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	+ return;
	+ }
	+
	+ printf("Executing command: %s\n", $event->getCommandName());
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ if ($event->getCommandName() !== 'aggregate' && $event->getCommandName() !== 'getMore') {
	+ return;
	+ }
	+
	+ printf("Executing command took %0.6f seconds\n", $event->getDurationMicros() / 1000000);
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager();
	+
	+$cmd = new MongoDB\Driver\Command(
	+ [
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$changeStream' => (object) []],
	+ ],
	+ 'cursor' => (object) [],
	+ ],
	+ [
	+ 'maxAwaitTimeMS' => 500,
	+ ]
	+);
	+
	+MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	+
	+$cursor = $manager->executeReadCommand(DATABASE_NAME, $cmd);
	+
	+$it = new IteratorIterator($cursor);
	+
	+printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	+
	+echo "Advancing cursor\n";
	+$it->next();
	+
	+printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "Advancing cursor\n";
	+$it->next();
	+
	+printf("Current position is valid: %s\n\n", $it->valid() ? 'yes' : 'no');
	+
	+$document = $it->current();
	+
	+if (isset($document)) {
	+ printf("Operation type: %s\n", $document->operationType);
	+ var_dump($document->fullDocument);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Executing command: aggregate
	+Executing command took 0.%d seconds
	+Current position is valid: no
	+
	+Advancing cursor
	+Executing command: getMore
	+Executing command took 0.%r(4\|5)%r%d seconds
	+Current position is valid: no
	+
	+Advancing cursor
	+Executing command: getMore
	+Executing command took 0.%d seconds
	+Current position is valid: yes
	+
	+Operation type: insert
	+object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "%x"
	+ }
	+ ["x"]=>
	+ int(1)
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1151-001.phpt b/mongodb-1.13.0/tests/cursor/bug1151-001.phpt
	new file mode 100644
	index 00000000..296d5179
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1151-001.phpt
	@@ -0,0 +1,37 @@
	+--TEST--
	+PHPC-1151: Segfault if session unset before first getMore (find)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$session = $manager->startSession();
	+
	+$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+foreach ($cursor as $document) {
	+ unset($session);
	+ echo $document->_id, "\n";
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+1
	+2
	+3
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1151-002.phpt b/mongodb-1.13.0/tests/cursor/bug1151-002.phpt
	new file mode 100644
	index 00000000..bd201752
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1151-002.phpt
	@@ -0,0 +1,41 @@
	+--TEST--
	+PHPC-1151: Segfault if session unset before first getMore (aggregate)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [],
	+ 'cursor' => ['batchSize' => 2],
	+]);
	+$session = $manager->startSession();
	+
	+$cursor = $manager->executeReadCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+foreach ($cursor as $document) {
	+ unset($session);
	+ echo $document->_id, "\n";
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+1
	+2
	+3
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1151-003.phpt b/mongodb-1.13.0/tests/cursor/bug1151-003.phpt
	new file mode 100644
	index 00000000..fde11f65
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1151-003.phpt
	@@ -0,0 +1,31 @@
	+--TEST--
	+PHPC-1151: Segfault if session unset before cursor is killed (find)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$session = $manager->startSession();
	+
	+$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	+unset($session);
	+unset($cursor);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1151-004.phpt b/mongodb-1.13.0/tests/cursor/bug1151-004.phpt
	new file mode 100644
	index 00000000..edfb6c28
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1151-004.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+PHPC-1151: Segfault if session unset before cursor is killed (aggregate)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [],
	+ 'cursor' => ['batchSize' => 2],
	+]);
	+$session = $manager->startSession();
	+
	+$cursor = $manager->executeReadCommand(DATABASE_NAME, $command, ['session' => $session]);
	+unset($session);
	+unset($cursor);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1152-001.phpt b/mongodb-1.13.0/tests/cursor/bug1152-001.phpt
	new file mode 100644
	index 00000000..aefc107c
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1152-001.phpt
	@@ -0,0 +1,131 @@
	+--TEST--
	+PHPC-1152: Command cursors should use the same session for getMore and killCursors (implicit)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lsidByCursorId = [];
	+ private $lsidByRequestId = [];
	+
	+ public function executeCommand()
	+ {
	+ $manager = create_test_manager();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['_id' => 1]);
	+ $bulk->insert(['_id' => 2]);
	+ $bulk->insert(['_id' => 3]);
	+ $manager->executeBulkWrite(NS, $bulk);
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [['$match' => new stdClass]],
	+ 'cursor' => ['batchSize' => 2],
	+ ]);
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ /* By creating two cursors with the same name, PHP's reference counting
	+ * will destroy the first after the second is created. Note that
	+ * mongoc_cursor_destroy also destroys implicit sessions and returns
	+ * them to the LIFO pool. This sequencing allows us to test that getMore
	+ * and killCursors use the session ID corresponding to the original
	+ * aggregate command. */
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+ $cursor->toArray();
	+
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+ $cursor->toArray();
	+
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+ unset($cursor);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+
	+ /* We should expect two unique session IDs over the course of the test,
	+ * since at most two implicit sessions would have been in use at any
	+ * given time. */
	+ printf("Unique session IDs used: %d\n", count(array_unique($this->lsidByRequestId)));
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $requestId = $event->getRequestId();
	+ $sessionId = bin2hex((string) $event->getCommand()->lsid->id);
	+
	+ printf("%s session ID: %s\n", $event->getCommandName(), $sessionId);
	+
	+ if ($event->getCommandName() === 'aggregate') {
	+ if (isset($this->lsidByRequestId[$requestId])) {
	+ throw new UnexpectedValueException('Previous command observed for request ID: ' . $requestId);
	+ }
	+
	+ $this->lsidByRequestId[$requestId] = $sessionId;
	+ }
	+
	+ if ($event->getCommandName() === 'getMore') {
	+ $cursorId = (string) $event->getCommand()->getMore;
	+
	+ if ( ! isset($this->lsidByCursorId[$cursorId])) {
	+ throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	+ }
	+
	+ printf("getMore used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	+ }
	+
	+ if ($event->getCommandName() === 'killCursors') {
	+ $cursorId = (string) $event->getCommand()->cursors[0];
	+
	+ if ( ! isset($this->lsidByCursorId[$cursorId])) {
	+ throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	+ }
	+
	+ printf("killCursors used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	+ }
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ /* Associate the aggregate's session ID with its cursor ID so it can be
	+ * looked up by the subsequent getMore or killCursors */
	+ if ($event->getCommandName() === 'aggregate') {
	+ $cursorId = (string) $event->getReply()->cursor->id;
	+ $requestId = $event->getRequestId();
	+
	+ $this->lsidByCursorId[$cursorId] = $this->lsidByRequestId[$requestId];
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+(new Test)->executeCommand();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+aggregate session ID: %x
	+getMore session ID: %x
	+getMore used same session as aggregate: yes
	+aggregate session ID: %x
	+getMore session ID: %x
	+getMore used same session as aggregate: yes
	+aggregate session ID: %x
	+aggregate session ID: %x
	+killCursors session ID: %x
	+killCursors used same session as aggregate: yes
	+killCursors session ID: %x
	+killCursors used same session as aggregate: yes
	+Unique session IDs used: 2
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/bug1152-002.phpt b/mongodb-1.13.0/tests/cursor/bug1152-002.phpt
	new file mode 100644
	index 00000000..39f7016a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1152-002.phpt
	@@ -0,0 +1,129 @@
	+--TEST--
	+PHPC-1152: Command cursors should use the same session for getMore and killCursors (explicit)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lsidByCursorId = [];
	+ private $lsidByRequestId = [];
	+
	+ public function executeCommand()
	+ {
	+ $manager = create_test_manager();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['_id' => 1]);
	+ $bulk->insert(['_id' => 2]);
	+ $bulk->insert(['_id' => 3]);
	+ $manager->executeBulkWrite(NS, $bulk);
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [['$match' => new stdClass]],
	+ 'cursor' => ['batchSize' => 2],
	+ ]);
	+
	+ $session = $manager->startSession();
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ /* This uses the same sequencing as the implicit session test; however,
	+ * we should expect all commands (aggregate, getMore, and killCursors)
	+ * to use the same explicit session ID. */
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ $cursor->toArray();
	+
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ $cursor->toArray();
	+
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ $cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ unset($cursor);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+
	+ /* We should expect one unique session ID over the course of the test,
	+ * since all commands used the same explicit session. */
	+ printf("Unique session IDs used: %d\n", count(array_unique($this->lsidByRequestId)));
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $requestId = $event->getRequestId();
	+ $sessionId = bin2hex((string) $event->getCommand()->lsid->id);
	+
	+ printf("%s session ID: %s\n", $event->getCommandName(), $sessionId);
	+
	+ if ($event->getCommandName() === 'aggregate') {
	+ if (isset($this->lsidByRequestId[$requestId])) {
	+ throw new UnexpectedValueException('Previous command observed for request ID: ' . $requestId);
	+ }
	+
	+ $this->lsidByRequestId[$requestId] = $sessionId;
	+ }
	+
	+ if ($event->getCommandName() === 'getMore') {
	+ $cursorId = (string) $event->getCommand()->getMore;
	+
	+ if ( ! isset($this->lsidByCursorId[$cursorId])) {
	+ throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	+ }
	+
	+ printf("getMore used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	+ }
	+
	+ if ($event->getCommandName() === 'killCursors') {
	+ $cursorId = (string) $event->getCommand()->cursors[0];
	+
	+ if ( ! isset($this->lsidByCursorId[$cursorId])) {
	+ throw new UnexpectedValueException('No previous command observed for cursor ID: ' . $cursorId);
	+ }
	+
	+ printf("killCursors used same session as aggregate: %s\n", $sessionId === $this->lsidByCursorId[$cursorId] ? 'yes' : 'no');
	+ }
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ /* Associate the aggregate's session ID with its cursor ID so it can be
	+ * looked up by the subsequent getMore or killCursors */
	+ if ($event->getCommandName() === 'aggregate') {
	+ $cursorId = (string) $event->getReply()->cursor->id;
	+ $requestId = $event->getRequestId();
	+
	+ $this->lsidByCursorId[$cursorId] = $this->lsidByRequestId[$requestId];
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+(new Test)->executeCommand();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+aggregate session ID: %x
	+getMore session ID: %x
	+getMore used same session as aggregate: yes
	+aggregate session ID: %x
	+getMore session ID: %x
	+getMore used same session as aggregate: yes
	+aggregate session ID: %x
	+aggregate session ID: %x
	+killCursors session ID: %x
	+killCursors used same session as aggregate: yes
	+killCursors session ID: %x
	+killCursors used same session as aggregate: yes
	+Unique session IDs used: 1
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1162-001.phpt b/mongodb-1.13.0/tests/cursor/bug1162-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1162-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1162-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug1274-001.phpt b/mongodb-1.13.0/tests/cursor/bug1274-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1274-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1274-001.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/bug1274-002.phpt b/mongodb-1.13.0/tests/cursor/bug1274-002.phpt
	new file mode 100644
	index 00000000..fcecddc3
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1274-002.phpt
	@@ -0,0 +1,104 @@
	+--TEST--
	+PHPC-1274: Child process can still iterate cursor from parent process
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $pid;
	+
	+ public function __construct()
	+ {
	+ $this->pid = getmypid();
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ if ($commandName === 'find' \|\| $commandName === 'getMore') {
	+ printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	+ return;
	+ }
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$bulk->insert(['x' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$subscriber = new CommandLogger;
	+MongoDB\Driver\Monitoring\addSubscriber($subscriber);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ /* This test asserts that mongoc_client_reset() does not prevent child
	+ * processes from actively interacting with a parent's cursor. Resetting the
	+ * client only prevents a child from inadvertently closing a parent cursor
	+ * via its php_phongo_cursor_free_object handler.
	+ *
	+ * Note: this test excludes SSL environments because we cannot interact with
	+ * the socket in a child without affecting the parent (and vice versa) due
	+ * to the SSL session. */
	+ printf("Child fully iterated cursor for %d documents\n", iterator_count($cursor));
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ echo throws(function() use ($cursor) {
	+ printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	+ }, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	+}
	+
	+/* This test doesn't need to assert that libmongoc may call killCursors when
	+ * destroying a cursor that previously encountered a CursorNotFound error.
	+ * See: https://jira.mongodb.org/browse/CDRIVER-3474 */
	+MongoDB\Driver\Monitoring\removeSubscriber($subscriber);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Parent executes find with batchSize: 2
	+Child executes getMore with batchSize: 2
	+Child fully iterated cursor for 3 documents
	+Child exits
	+Parent waited for child to exit
	+Parent executes getMore with batchSize: 2
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+%r(Cursor not found, cursor id: \d+\|cursor id \d+ not found\|Cursor not found $.*id: \d+$\.)%r
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1274-003.phpt b/mongodb-1.13.0/tests/cursor/bug1274-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1274-003.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1274-003.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug1274-004.phpt b/mongodb-1.13.0/tests/cursor/bug1274-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1274-004.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1274-004.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/bug1274-005.phpt b/mongodb-1.13.0/tests/cursor/bug1274-005.phpt
	new file mode 100644
	index 00000000..69a29814
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1274-005.phpt
	@@ -0,0 +1,104 @@
	+--TEST--
	+PHPC-1274: Child process can still iterate cursor from parent process (disableClientPersistence=true)
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $pid;
	+
	+ public function __construct()
	+ {
	+ $this->pid = getmypid();
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ if ($commandName === 'find' \|\| $commandName === 'getMore') {
	+ printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	+ return;
	+ }
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$bulk->insert(['x' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$subscriber = new CommandLogger;
	+MongoDB\Driver\Monitoring\addSubscriber($subscriber);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ /* This test asserts that mongoc_client_reset() does not prevent child
	+ * processes from actively interacting with a parent's cursor. Resetting the
	+ * client only prevents a child from inadvertently closing a parent cursor
	+ * via its php_phongo_cursor_free_object handler.
	+ *
	+ * Note: this test excludes SSL environments because we cannot interact with
	+ * the socket in a child without affecting the parent (and vice versa) due
	+ * to the SSL session. */
	+ printf("Child fully iterated cursor for %d documents\n", iterator_count($cursor));
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ echo throws(function() use ($cursor) {
	+ printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	+ }, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	+}
	+
	+/* This test doesn't need to assert that libmongoc may call killCursors when
	+ * destroying a cursor that previously encountered a CursorNotFound error.
	+ * See: https://jira.mongodb.org/browse/CDRIVER-3474 */
	+MongoDB\Driver\Monitoring\removeSubscriber($subscriber);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Parent executes find with batchSize: 2
	+Child executes getMore with batchSize: 2
	+Child fully iterated cursor for 3 documents
	+Child exits
	+Parent waited for child to exit
	+Parent executes getMore with batchSize: 2
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+%r(Cursor not found, cursor id: \d+\|cursor id \d+ not found\|Cursor not found $.*id: \d+$\.)%r
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1274-006.phpt b/mongodb-1.13.0/tests/cursor/bug1274-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1274-006.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1274-006.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/bug1419-001.phpt b/mongodb-1.13.0/tests/cursor/bug1419-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1419-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1419-001.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/bug1529-001.phpt b/mongodb-1.13.0/tests/cursor/bug1529-001.phpt
	new file mode 100644
	index 00000000..e1082546
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/bug1529-001.phpt
	@@ -0,0 +1,105 @@
	+--TEST--
	+PHPC-1529: Resetting a client should also reset the keyVaultClient
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_server_version('<', '4.2'); ?>
	+<?php skip_if_not_libmongocrypt(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $pid;
	+
	+ public function __construct()
	+ {
	+ $this->pid = getmypid();
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ if ($commandName === 'find' \|\| $commandName === 'getMore') {
	+ printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	+ return;
	+ }
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$keyVaultClient = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+$autoEncryptionOpts = [
	+ 'keyVaultClient' => $keyVaultClient,
	+ 'keyVaultNamespace' => 'default.keys',
	+ 'kmsProviders' => ['local' => ['key' => new MongoDB\BSON\Binary(str_repeat('0', 96), 0)]],
	+];
	+
	+$manager = create_test_manager(URI, [], ['autoEncryption' => $autoEncryptionOpts, 'disableClientPersistence' => true]);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$bulk->insert(['x' => 3]);
	+$keyVaultClient->executeBulkWrite(NS, $bulk);
	+
	+MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $keyVaultClient->executeQuery(NS, $query);
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ /* Executing any operation with the parent's client resets this client as well as
	+ * the keyVaultClient. Continuing iteration of the cursor opened on the
	+ * keyVaultClient before resetting it should then result in an error due to
	+ * the client having been reset. */
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+
	+ echo throws(
	+ function () use ($cursor) { iterator_count($cursor); },
	+ MongoDB\Driver\Exception\RuntimeException::class
	+ ), "\n";
	+
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ unset($cursor);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Parent executes find with batchSize: 2
	+Child executes ping
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Cannot advance cursor after client reset
	+Child exits
	+Parent waited for child to exit
	+Parent executes killCursors
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/bug1713-001.phpt b/mongodb-1.13.0/tests/cursor/bug1713-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/bug1713-001.phpt
	rename to mongodb-1.13.0/tests/cursor/bug1713-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-IteratorIterator-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-002.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-003.phpt b/mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-003.phpt
	new file mode 100644
	index 00000000..1a81ae21
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-IteratorIterator-003.phpt
	@@ -0,0 +1,41 @@
	+--TEST--
	+MongoDB\Driver\Cursor iteration beyond last document
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([]));
	+
	+$iterator = new IteratorIterator($cursor);
	+$iterator->rewind();
	+var_dump($iterator->current());
	+$iterator->next();
	+var_dump($iterator->current());
	+
	+// libmongoc throws on superfluous iteration of find command cursor (CDRIVER-1234)
	+echo throws(function() use ($iterator) {
	+ $iterator->next();
	+}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(1)
	+}
	+NULL
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Cannot advance a completed or failed cursor.
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-NoRewindIterator-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-NoRewindIterator-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-NoRewindIterator-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-NoRewindIterator-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-destruct-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-destruct-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-destruct-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-destruct-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-getmore-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-getmore-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-getmore-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-getmore-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-getmore-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-getmore-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-003.phpt b/mongodb-1.13.0/tests/cursor/cursor-getmore-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-getmore-003.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-getmore-003.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-getmore-004.phpt b/mongodb-1.13.0/tests/cursor/cursor-getmore-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-getmore-004.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-getmore-004.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-getmore-005.phpt b/mongodb-1.13.0/tests/cursor/cursor-getmore-005.phpt
	new file mode 100644
	index 00000000..6b0c181a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-getmore-005.phpt
	@@ -0,0 +1,53 @@
	+--TEST--
	+MongoDB\Driver\Cursor query result iteration with getmore failure
	+--SKIPIF--
	+<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	+<?php
	+/* This test spins up its own mongod instance, so only run this in the most default "standalone, no
	+ * auth" configurations. This way, we can test on multiple server versions, but not waste resources
	+ * on f.e. Travis. */
	+?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_standalone(); ?>
	+<?php skip_if_no_getmore_failpoint(); ?>
	+<?php skip_if_auth(); ?>
	+<?php skip_if_no_mongo_orchestration(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$uri = createTemporaryMongoInstance();
	+$manager = create_test_manager($uri);
	+
	+$bulkWrite = new MongoDB\Driver\BulkWrite;
	+
	+for ($i = 0; $i < 5; $i++) {
	+ $bulkWrite->insert(array('_id' => $i));
	+}
	+
	+$writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	+printf("Inserted: %d\n", $writeResult->getInsertedCount());
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+failGetMore($manager);
	+
	+throws(function() use ($cursor) {
	+ foreach ($cursor as $i => $document) {
	+ printf("%d => {_id: %d}\n", $i, $document->_id);
	+ }
	+}, MongoDB\Driver\Exception\ServerException::class);
	+?>
	+===DONE===
	+<?php destroyTemporaryMongoInstance(); ?>
	+<?php exit(0); ?>
	+--CLEAN--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php destroyTemporaryMongoInstance(); ?>
	+--EXPECT--
	+Inserted: 5
	+0 => {_id: 0}
	+1 => {_id: 1}
	+OK: Got MongoDB\Driver\Exception\ServerException
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-getmore-006.phpt b/mongodb-1.13.0/tests/cursor/cursor-getmore-006.phpt
	new file mode 100644
	index 00000000..aba79f40
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-getmore-006.phpt
	@@ -0,0 +1,61 @@
	+--TEST--
	+MongoDB\Driver\Cursor command result iteration with getmore failure
	+--SKIPIF--
	+<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	+<?php
	+/* This test spins up its own mongod instance, so only run this in the most default "standalone, no
	+ * auth" configurations. This way, we can test on multiple server versions, but not waste resources
	+ * on f.e. Travis. */
	+?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_standalone(); ?>
	+<?php skip_if_no_getmore_failpoint(); ?>
	+<?php skip_if_auth(); ?>
	+<?php skip_if_no_mongo_orchestration(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$uri = createTemporaryMongoInstance();
	+$manager = create_test_manager($uri);
	+
	+$bulkWrite = new MongoDB\Driver\BulkWrite;
	+
	+for ($i = 0; $i < 5; $i++) {
	+ $bulkWrite->insert(array('_id' => $i));
	+}
	+
	+$writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	+printf("Inserted: %d\n", $writeResult->getInsertedCount());
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$match' => new stdClass],
	+ ],
	+ 'cursor' => ['batchSize' => 2],
	+]);
	+
	+$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+
	+failGetMore($manager);
	+
	+throws(function() use ($cursor) {
	+ foreach ($cursor as $i => $document) {
	+ printf("%d => {_id: %d}\n", $i, $document->_id);
	+ }
	+}, MongoDB\Driver\Exception\ServerException::class);
	+
	+?>
	+===DONE===
	+<?php destroyTemporaryMongoInstance(); ?>
	+<?php exit(0); ?>
	+--CLEAN--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php destroyTemporaryMongoInstance(); ?>
	+--EXPECT--
	+Inserted: 5
	+0 => {_id: 0}
	+1 => {_id: 1}
	+OK: Got MongoDB\Driver\Exception\ServerException
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-isDead-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-isDead-001.phpt
	new file mode 100644
	index 00000000..b28de544
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-isDead-001.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+MongoDB\Driver\Cursor::isDead() with basic iteration
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	+
	+foreach ($cursor as $_) {
	+ var_dump($cursor->isDead());
	+}
	+
	+var_dump($cursor->isDead());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(false)
	+bool(false)
	+bool(false)
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-isDead-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-isDead-002.phpt
	new file mode 100644
	index 00000000..20d049b5
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-isDead-002.phpt
	@@ -0,0 +1,39 @@
	+--TEST--
	+MongoDB\Driver\Cursor::isDead() with IteratorIterator
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	+
	+$iterator = new IteratorIterator($cursor);
	+$iterator->rewind();
	+
	+for ($i = 0; $i < 3; $i++) {
	+ var_dump($cursor->isDead());
	+ $iterator->next();
	+}
	+
	+var_dump($cursor->isDead());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(false)
	+bool(false)
	+bool(false)
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-iterator-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-iterator-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-iterator-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-iterator-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-iterator-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-iterator-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-iterator-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-iterator-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-iterator-003.phpt b/mongodb-1.13.0/tests/cursor/cursor-iterator-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-iterator-003.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-iterator-003.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-iterator_handlers-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-iterator_handlers-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-iterator_handlers-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-iterator_handlers-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-rewind-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-rewind-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-rewind-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-rewind-001.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-session-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-session-001.phpt
	new file mode 100644
	index 00000000..ade67b84
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-session-001.phpt
	@@ -0,0 +1,62 @@
	+--TEST--
	+MongoDB\Driver\Cursor debug output for query cursor includes explicit session
	+--SKIPIF--
	+<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$session = $manager->startSession();
	+
	+$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+$iterator = new IteratorIterator($cursor);
	+$iterator->rewind();
	+$iterator->next();
	+
	+printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+$iterator->next();
	+
	+/* Per PHPC-1161, the Cursor will free a reference to the Session as soon as it
	+ * is exhausted. While this is primarily done to ensure implicit sessions for
	+ * command cursors are returned to the pool ASAP, it also applies to explicit
	+ * sessions. */
	+printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Cursor ID is zero: no
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ object(MongoDB\Driver\Session)#%d (%d) {
	+ %a
	+ }
	+ %a
	+}
	+
	+Cursor ID is zero: yes
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ NULL
	+ %a
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-session-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-session-002.phpt
	new file mode 100644
	index 00000000..4332f7c1
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-session-002.phpt
	@@ -0,0 +1,58 @@
	+--TEST--
	+MongoDB\Driver\Cursor debug output for query cursor omits implicit session
	+--SKIPIF--
	+<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+$iterator = new IteratorIterator($cursor);
	+$iterator->rewind();
	+$iterator->next();
	+
	+/* Implicit sessions for query cursors are never exposed to PHPC, as they are
	+ * handled internally by libmongoc. Cursor debug ouput should never report such
	+ * sessions. */
	+printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+$iterator->next();
	+
	+printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Cursor ID is zero: no
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ NULL
	+ %a
	+}
	+
	+Cursor ID is zero: yes
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ NULL
	+ %a
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-session-003.phpt b/mongodb-1.13.0/tests/cursor/cursor-session-003.phpt
	new file mode 100644
	index 00000000..df9f7d46
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-session-003.phpt
	@@ -0,0 +1,66 @@
	+--TEST--
	+MongoDB\Driver\Cursor debug output for command cursor includes explicit session
	+--SKIPIF--
	+<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [['$match' => new stdClass]],
	+ 'cursor' => ['batchSize' => 2],
	+]);
	+$session = $manager->startSession();
	+
	+$cursor = $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+$iterator = new IteratorIterator($cursor);
	+$iterator->rewind();
	+$iterator->next();
	+
	+printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+$iterator->next();
	+
	+/* Per PHPC-1161, the Cursor will free a reference to the Session as soon as it
	+ * is exhausted. While this is primarily done to ensure implicit sessions for
	+ * command cursors are returned to the pool ASAP, it also applies to explicit
	+ * sessions. */
	+printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Cursor ID is zero: no
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ object(MongoDB\Driver\Session)#%d (%d) {
	+ %a
	+ }
	+ %a
	+}
	+
	+Cursor ID is zero: yes
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ NULL
	+ %a
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-session-004.phpt b/mongodb-1.13.0/tests/cursor/cursor-session-004.phpt
	new file mode 100644
	index 00000000..b93bbbf0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-session-004.phpt
	@@ -0,0 +1,65 @@
	+--TEST--
	+MongoDB\Driver\Cursor debug output for command cursor includes implicit session
	+--SKIPIF--
	+<?php require __DIR__ . "/" ."../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [['$match' => new stdClass]],
	+ 'cursor' => ['batchSize' => 2],
	+]);
	+
	+$cursor = $manager->executeCommand(DATABASE_NAME, $command);
	+
	+$iterator = new IteratorIterator($cursor);
	+$iterator->rewind();
	+$iterator->next();
	+
	+printf("Cursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+$iterator->next();
	+
	+/* Unlike implicit sessions for query cursors, which are handled internally by
	+ * libmongoc, PHPC-1152 emulates its own implicit sessions for command cursors
	+ * in order to ensure that command cursors always share the same session as the
	+ * originating command. */
	+printf("\nCursor ID is zero: %s\n", (string) $cursor->getId() === '0' ? 'yes' : 'no');
	+var_dump($cursor);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Cursor ID is zero: no
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ object(MongoDB\Driver\Session)#%d (%d) {
	+ %a
	+ }
	+ %a
	+}
	+
	+Cursor ID is zero: yes
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ %a
	+ ["session"]=>
	+ NULL
	+ %a
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-003.phpt b/mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-003.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-004.phpt b/mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-setTypeMap_error-004.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-setTypeMap_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-tailable-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-tailable-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-tailable-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-tailable-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-tailable-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-tailable-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-tailable-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-tailable-002.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-tailable-003.phpt b/mongodb-1.13.0/tests/cursor/cursor-tailable-003.phpt
	new file mode 100644
	index 00000000..b8d676a6
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-tailable-003.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Cursor tailable iteration with awaitData and maxAwaitTimeMS options
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	+ 'create' => COLLECTION_NAME,
	+ 'capped' => true,
	+ 'size' => 1048576,
	+]));
	+
	+$bulkWrite = new MongoDB\Driver\BulkWrite;
	+$bulkWrite->insert(['_id' => 1]);
	+$manager->executeBulkWrite(NS, $bulkWrite);
	+
	+$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], [
	+ 'tailable' => true,
	+ 'awaitData' => true,
	+ 'maxAwaitTimeMS' => 10,
	+]));
	+$it = new IteratorIterator($cursor);
	+
	+$it->rewind();
	+printf("{_id: %d}\n", $it->current()->_id);
	+$it->next();
	+
	+$startTime = microtime(true);
	+echo "Awaiting results...\n";
	+$it->next();
	+printf("Waited for %.6f seconds\n", microtime(true) - $startTime);
	+// Sometimes the cursor will wait for 0.0099 seconds and sometimes it will wait for 0.01.
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+{_id: 1}
	+Awaiting results...
	+Waited for 0.0%d seconds
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-tailable_error-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-tailable_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-tailable_error-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-tailable_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/cursor/cursor-tailable_error-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-tailable_error-002.phpt
	new file mode 100644
	index 00000000..9157c5e2
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursor/cursor-tailable_error-002.phpt
	@@ -0,0 +1,89 @@
	+--TEST--
	+MongoDB\Driver\Cursor cursor killed during tailable iteration
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+function insert(MongoDB\Driver\Manager $manager, $from, $to = null)
	+{
	+ if ($to === null) {
	+ $to = $from;
	+ }
	+
	+ $bulkWrite = new MongoDB\Driver\BulkWrite;
	+
	+ for ($i = $from; $i <= $to; $i++) {
	+ $bulkWrite->insert(['_id' => $i]);
	+ }
	+
	+ $writeResult = $manager->executeBulkWrite(NS, $bulkWrite);
	+
	+ printf("Inserted %d document(s): %s\n", $writeResult->getInsertedCount(), implode(', ', range($from, $to)));
	+}
	+
	+$manager = create_test_manager();
	+
	+$manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	+ 'create' => COLLECTION_NAME,
	+ 'capped' => true,
	+ 'size' => 1048576,
	+]));
	+
	+insert($manager, 1, 3);
	+
	+echo throws(function() use ($manager) {
	+ $cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([], ['tailable' => true]));
	+ $it = new IteratorIterator($cursor);
	+
	+ $numAwaitAttempts = 0;
	+ $maxAwaitAttempts = 7;
	+
	+ for ($it->rewind(); $numAwaitAttempts < $maxAwaitAttempts; $it->next()) {
	+ $document = $it->current();
	+
	+ if ($document !== null) {
	+ printf("{_id: %d}\n", $document->_id);
	+ continue;
	+ }
	+
	+ if ($numAwaitAttempts === 2) {
	+ insert($manager, 4, 6);
	+ }
	+
	+ if ($numAwaitAttempts === 5) {
	+ $cursor->getServer()->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command([
	+ 'killCursors' => COLLECTION_NAME,
	+ 'cursors' => [ $cursor->getId() ],
	+ ]));
	+ }
	+
	+ echo "Awaiting results...\n";
	+ $numAwaitAttempts += 1;
	+ }
	+}, 'MongoDB\Driver\Exception\RuntimeException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Inserted 3 document(s): 1, 2, 3
	+{_id: 1}
	+{_id: 2}
	+{_id: 3}
	+Awaiting results...
	+Awaiting results...
	+Inserted 3 document(s): 4, 5, 6
	+Awaiting results...
	+{_id: 4}
	+{_id: 5}
	+{_id: 6}
	+Awaiting results...
	+Awaiting results...
	+Awaiting results...
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+%r(Cursor not found, cursor id: \d+\|cursor id \d+ not found\|Cursor not found $.*id: \d+$\.)%r
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-toArray-001.phpt b/mongodb-1.13.0/tests/cursor/cursor-toArray-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-toArray-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-toArray-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor-toArray-002.phpt b/mongodb-1.13.0/tests/cursor/cursor-toArray-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor-toArray-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor-toArray-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursor_error-001.phpt b/mongodb-1.13.0/tests/cursor/cursor_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursor_error-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursor_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursorinterface-001.phpt b/mongodb-1.13.0/tests/cursor/cursorinterface-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursorinterface-001.phpt
	rename to mongodb-1.13.0/tests/cursor/cursorinterface-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursorinterface-002.phpt b/mongodb-1.13.0/tests/cursor/cursorinterface-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursorinterface-002.phpt
	rename to mongodb-1.13.0/tests/cursor/cursorinterface-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursor/cursorinterface-003.phpt b/mongodb-1.13.0/tests/cursor/cursorinterface-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursor/cursorinterface-003.phpt
	rename to mongodb-1.13.0/tests/cursor/cursorinterface-003.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-001.phpt
	diff --git a/mongodb-1.13.0/tests/cursorid/cursorid-002.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-002.phpt
	new file mode 100644
	index 00000000..23c05389
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/cursorid/cursorid-002.phpt
	@@ -0,0 +1,43 @@
	+--TEST--
	+MongoDB\Driver\CursorId BSON serialization for killCursors command
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+// Select a specific server for future operations to avoid mongos switching in sharded clusters
	+$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+$server->executeBulkWrite(NS, $bulk);
	+
	+$cursor = $server->executeQuery(NS, new MongoDB\Driver\Query([], ['batchSize' => 2]));
	+$cursorId = $cursor->getId();
	+
	+$command = new MongoDB\Driver\Command([
	+ 'killCursors' => COLLECTION_NAME,
	+ 'cursors' => [ $cursorId ],
	+]);
	+
	+/* Since the killCursors command result includes cursor IDs as 64-bit integers,
	+ * unserializing the result document requires a 64-bit platform. */
	+$result = $server->executeCommand(DATABASE_NAME, $command)->toArray()[0];
	+printf("Killed %d cursor(s)\n", count($result->cursorsKilled));
	+printf("Killed expected cursor: %s\n", (string) $cursorId === (string) $result->cursorsKilled[0] ? 'yes' : 'no');
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Killed 1 cursor(s)
	+Killed expected cursor: yes
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-debug-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-debug-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-debug-002.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-debug-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-debug-002.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-debug-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-debug-003.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-debug-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-debug-003.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-debug-003.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-serialization-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-serialization-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-serialization-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-serialization-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-serialization-002.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-serialization-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-serialization-002.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-serialization-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-serialization_error-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-serialization_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-serialization_error-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-serialization_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-serialization_error-002.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-serialization_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-serialization_error-002.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-serialization_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-set_state-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-set_state-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-set_state-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-set_state-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-set_state_error-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-set_state_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-set_state_error-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-set_state_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-tostring-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-tostring-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-tostring-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-tostring-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid-var_export-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid-var_export-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid-var_export-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid-var_export-001.phpt
	diff --git a/mongodb-1.12.0/tests/cursorid/cursorid_error-001.phpt b/mongodb-1.13.0/tests/cursorid/cursorid_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/cursorid/cursorid_error-001.phpt
	rename to mongodb-1.13.0/tests/cursorid/cursorid_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/bulkwriteexception-getwriteresult-001.phpt b/mongodb-1.13.0/tests/exception/bulkwriteexception-getwriteresult-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/bulkwriteexception-getwriteresult-001.phpt
	rename to mongodb-1.13.0/tests/exception/bulkwriteexception-getwriteresult-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/bulkwriteexception-haserrorlabel-001.phpt b/mongodb-1.13.0/tests/exception/bulkwriteexception-haserrorlabel-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/bulkwriteexception-haserrorlabel-001.phpt
	rename to mongodb-1.13.0/tests/exception/bulkwriteexception-haserrorlabel-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/bulkwriteexception-haserrorlabel-002.phpt b/mongodb-1.13.0/tests/exception/bulkwriteexception-haserrorlabel-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/bulkwriteexception-haserrorlabel-002.phpt
	rename to mongodb-1.13.0/tests/exception/bulkwriteexception-haserrorlabel-002.phpt
	diff --git a/mongodb-1.12.0/tests/exception/bulkwriteexception-haserrorlabel_error-001.phpt b/mongodb-1.13.0/tests/exception/bulkwriteexception-haserrorlabel_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/bulkwriteexception-haserrorlabel_error-001.phpt
	rename to mongodb-1.13.0/tests/exception/bulkwriteexception-haserrorlabel_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/commandexception-getresultdocument-001.phpt b/mongodb-1.13.0/tests/exception/commandexception-getresultdocument-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/commandexception-getresultdocument-001.phpt
	rename to mongodb-1.13.0/tests/exception/commandexception-getresultdocument-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/commandexception-haserrorlabel-001.phpt b/mongodb-1.13.0/tests/exception/commandexception-haserrorlabel-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/commandexception-haserrorlabel-001.phpt
	rename to mongodb-1.13.0/tests/exception/commandexception-haserrorlabel-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/commandexception-haserrorlabel_error-001.phpt b/mongodb-1.13.0/tests/exception/commandexception-haserrorlabel_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/commandexception-haserrorlabel_error-001.phpt
	rename to mongodb-1.13.0/tests/exception/commandexception-haserrorlabel_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/exception-001.phpt b/mongodb-1.13.0/tests/exception/exception-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/exception-001.phpt
	rename to mongodb-1.13.0/tests/exception/exception-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/runtimeexception-haserrorlabel-001.phpt b/mongodb-1.13.0/tests/exception/runtimeexception-haserrorlabel-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/runtimeexception-haserrorlabel-001.phpt
	rename to mongodb-1.13.0/tests/exception/runtimeexception-haserrorlabel-001.phpt
	diff --git a/mongodb-1.12.0/tests/exception/runtimeexception-haserrorlabel_error-001.phpt b/mongodb-1.13.0/tests/exception/runtimeexception-haserrorlabel_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/exception/runtimeexception-haserrorlabel_error-001.phpt
	rename to mongodb-1.13.0/tests/exception/runtimeexception-haserrorlabel_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/functional/cursor-001.phpt b/mongodb-1.13.0/tests/functional/cursor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/functional/cursor-001.phpt
	rename to mongodb-1.13.0/tests/functional/cursor-001.phpt
	diff --git a/mongodb-1.12.0/tests/functional/cursorid-001.phpt b/mongodb-1.13.0/tests/functional/cursorid-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/functional/cursorid-001.phpt
	rename to mongodb-1.13.0/tests/functional/cursorid-001.phpt
	diff --git a/mongodb-1.12.0/tests/functional/query-sort-001.phpt b/mongodb-1.13.0/tests/functional/query-sort-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/functional/query-sort-001.phpt
	rename to mongodb-1.13.0/tests/functional/query-sort-001.phpt
	diff --git a/mongodb-1.12.0/tests/functional/query-sort-002.phpt b/mongodb-1.13.0/tests/functional/query-sort-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/functional/query-sort-002.phpt
	rename to mongodb-1.13.0/tests/functional/query-sort-002.phpt
	diff --git a/mongodb-1.12.0/tests/functional/query-sort-003.phpt b/mongodb-1.13.0/tests/functional/query-sort-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/functional/query-sort-003.phpt
	rename to mongodb-1.13.0/tests/functional/query-sort-003.phpt
	diff --git a/mongodb-1.12.0/tests/functional/query-sort-004.phpt b/mongodb-1.13.0/tests/functional/query-sort-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/functional/query-sort-004.phpt
	rename to mongodb-1.13.0/tests/functional/query-sort-004.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-debug-ini_get-001.phpt b/mongodb-1.13.0/tests/ini/ini-debug-ini_get-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-debug-ini_get-001.phpt
	rename to mongodb-1.13.0/tests/ini/ini-debug-ini_get-001.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-debug-ini_get-002.phpt b/mongodb-1.13.0/tests/ini/ini-debug-ini_get-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-debug-ini_get-002.phpt
	rename to mongodb-1.13.0/tests/ini/ini-debug-ini_get-002.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-debug-phpinfo-001.phpt b/mongodb-1.13.0/tests/ini/ini-debug-phpinfo-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-debug-phpinfo-001.phpt
	rename to mongodb-1.13.0/tests/ini/ini-debug-phpinfo-001.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-debug-phpinfo-002.phpt b/mongodb-1.13.0/tests/ini/ini-debug-phpinfo-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-debug-phpinfo-002.phpt
	rename to mongodb-1.13.0/tests/ini/ini-debug-phpinfo-002.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-mock_service_id-ini_get-001.phpt b/mongodb-1.13.0/tests/ini/ini-mock_service_id-ini_get-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-mock_service_id-ini_get-001.phpt
	rename to mongodb-1.13.0/tests/ini/ini-mock_service_id-ini_get-001.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-mock_service_id-ini_get-002.phpt b/mongodb-1.13.0/tests/ini/ini-mock_service_id-ini_get-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-mock_service_id-ini_get-002.phpt
	rename to mongodb-1.13.0/tests/ini/ini-mock_service_id-ini_get-002.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-mock_service_id-phpinfo-001.phpt b/mongodb-1.13.0/tests/ini/ini-mock_service_id-phpinfo-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-mock_service_id-phpinfo-001.phpt
	rename to mongodb-1.13.0/tests/ini/ini-mock_service_id-phpinfo-001.phpt
	diff --git a/mongodb-1.12.0/tests/ini/ini-mock_service_id-phpinfo-002.phpt b/mongodb-1.13.0/tests/ini/ini-mock_service_id-phpinfo-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/ini/ini-mock_service_id-phpinfo-002.phpt
	rename to mongodb-1.13.0/tests/ini/ini-mock_service_id-phpinfo-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/bug0572.phpt b/mongodb-1.13.0/tests/manager/bug0572.phpt
	new file mode 100644
	index 00000000..0b0c6bf0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/bug0572.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+PHPC-572: Ensure stream context does not go out of scope before socket init
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$closure = function() {
	+ $context = stream_context_create([
	+ 'ssl' => [
	+ 'verify_peer' => false,
	+ 'verify_peer_name' => false,
	+ 'allow_self_signed' => true,
	+ ],
	+ ]);
	+ return create_test_manager(URI, [], ['context' => $context]);
	+};
	+
	+$manager = $closure();
	+$cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+printf("ping: %d\n", $cursor->toArray()[0]->ok);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+ping: 1
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/bug0851-001.phpt b/mongodb-1.13.0/tests/manager/bug0851-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug0851-001.phpt
	rename to mongodb-1.13.0/tests/manager/bug0851-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/bug0851-002.phpt b/mongodb-1.13.0/tests/manager/bug0851-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug0851-002.phpt
	rename to mongodb-1.13.0/tests/manager/bug0851-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/bug0912-001.phpt b/mongodb-1.13.0/tests/manager/bug0912-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug0912-001.phpt
	rename to mongodb-1.13.0/tests/manager/bug0912-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/bug0913-001.phpt b/mongodb-1.13.0/tests/manager/bug0913-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug0913-001.phpt
	rename to mongodb-1.13.0/tests/manager/bug0913-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/bug0940-001.phpt b/mongodb-1.13.0/tests/manager/bug0940-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug0940-001.phpt
	rename to mongodb-1.13.0/tests/manager/bug0940-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/bug0940-002.phpt b/mongodb-1.13.0/tests/manager/bug0940-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug0940-002.phpt
	rename to mongodb-1.13.0/tests/manager/bug0940-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/bug1163-001.phpt b/mongodb-1.13.0/tests/manager/bug1163-001.phpt
	new file mode 100644
	index 00000000..01accd4c
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/bug1163-001.phpt
	@@ -0,0 +1,82 @@
	+--TEST--
	+PHPC-1163: Unacknowledged write concern should omit implicit session
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function run()
	+ {
	+ $manager = create_test_manager(URI, ['w' => 0]);
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['x' => 1]);
	+
	+ echo "Testing executeBulkWrite\n";
	+ $manager->executeBulkWrite(NS, $bulk);
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'insert' => COLLECTION_NAME,
	+ 'documents' => [['x' => 1]],
	+ ]);
	+
	+ /* Note: executeCommand() and executeReadCommand() are not tested
	+ * because they do not inherit the client-level write concern. */
	+
	+ echo "\nTesting executeWriteCommand\n";
	+ $manager->executeWriteCommand(DATABASE_NAME, $command);
	+
	+ /* We can safely re-use the insert command with executeReadWriteCommand
	+ * because there is no readConcern to inherit. */
	+ echo "\nTesting executeReadWriteCommand\n";
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command);
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ if ($event->getCommandName() === 'insert') {
	+ $command = $event->getCommand();
	+ $hasSession = isset($command->lsid);
	+ $writeConcern = isset($command->writeConcern) ? $command->writeConcern: null;
	+
	+ printf("insert command write concern: %s\n", json_encode($writeConcern));
	+ printf("insert command has session: %s\n", $hasSession ? 'yes' : 'no');
	+ }
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+(new Test)->run();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing executeBulkWrite
	+insert command write concern: {"w":0}
	+insert command has session: no
	+
	+Testing executeWriteCommand
	+insert command write concern: {"w":0}
	+insert command has session: no
	+
	+Testing executeReadWriteCommand
	+insert command write concern: {"w":0}
	+insert command has session: no
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/bug1701-001.phpt b/mongodb-1.13.0/tests/manager/bug1701-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/bug1701-001.phpt
	rename to mongodb-1.13.0/tests/manager/bug1701-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-addSubscriber-001.phpt b/mongodb-1.13.0/tests/manager/manager-addSubscriber-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-addSubscriber-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-addSubscriber-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-addSubscriber-002.phpt b/mongodb-1.13.0/tests/manager/manager-addSubscriber-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-addSubscriber-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-addSubscriber-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-addSubscriber-003.phpt b/mongodb-1.13.0/tests/manager/manager-addSubscriber-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-addSubscriber-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-addSubscriber-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-addSubscriber-004.phpt b/mongodb-1.13.0/tests/manager/manager-addSubscriber-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-addSubscriber-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-addSubscriber-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-addSubscriber-005.phpt b/mongodb-1.13.0/tests/manager/manager-addSubscriber-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-addSubscriber-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-addSubscriber-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-addSubscriber-006.phpt b/mongodb-1.13.0/tests/manager/manager-addSubscriber-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-addSubscriber-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-addSubscriber-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-createClientEncryption-001.phpt b/mongodb-1.13.0/tests/manager/manager-createClientEncryption-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-createClientEncryption-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-createClientEncryption-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-createClientEncryption-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-createClientEncryption-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-createClientEncryption-error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-createClientEncryption-error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-createClientEncryption-error-002.phpt b/mongodb-1.13.0/tests/manager/manager-createClientEncryption-error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-createClientEncryption-error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-createClientEncryption-error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-004.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-005.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-006.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-007.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-007.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-007.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-008.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-008.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-008.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-appname-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-appname-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-appname-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-appname-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-appname_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-appname_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-appname_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-appname_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auth_mechanism-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-error-001.phpt
	new file mode 100644
	index 00000000..97b9c03b
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-auth_mechanism-error-001.phpt
	@@ -0,0 +1,54 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): authentication options are validated
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/?authMechanism=GSSAPI&authSource=admin');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/', ['authMechanism' => 'GSSAPI', 'authSource' => 'admin']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/?authMechanism=MONGODB-X509&authSource=admin');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/', ['authMechanism' => 'MONGODB-X509', 'authSource' => 'admin']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://@localhost:27017/?authMechanism=SCRAM-SHA-1');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/', ['username' => '', 'authMechanism' => 'SCRAM-SHA-1']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/', ['password' => 'password', 'authMechanism' => 'MONGODB-X509']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?authMechanism=GSSAPI&authSource=admin'. GSSAPI and X509 require "$external" authSource.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: GSSAPI and X509 require "$external" authSource
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?authMechanism=MONGODB-X509&authSource=admin'. GSSAPI and X509 require "$external" authSource.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: GSSAPI and X509 require "$external" authSource
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://@localhost:27017/?authMechanism=SCRAM-SHA-1'. 'SCRAM-SHA-1' authentication mechanism requires username.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: 'SCRAM-SHA-1' authentication mechanism requires username
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: 'MONGODB-X509' authentication mechanism does not accept a password
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auth_source-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auth_source-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auth_source-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auth_source-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-error-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-error-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-auto_encryption-error-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-auto_encryption-error-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-directconnection-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-directconnection-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-directconnection-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-error-001.phpt
	new file mode 100644
	index 00000000..67c9490b
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-error-001.phpt
	@@ -0,0 +1,25 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): directConnection=true conflicts with multiple seeds
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+echo throws(function() {
	+ $manager = create_test_manager('mongodb://a.example.com,b.example.com/?directConnection=true');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n\n";
	+
	+echo throws(function() {
	+ $manager = create_test_manager('mongodb://a.example.com,b.example.com', ['directConnection' => true]);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://a.example.com,b.example.com/?directConnection=true'. Multiple seeds not allowed with directConnection option.
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: Multiple seeds not allowed with directConnection option
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-error-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-error-002.phpt
	new file mode 100644
	index 00000000..0f1ae274
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-directconnection-error-002.phpt
	@@ -0,0 +1,25 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): directConnection=true conflicts with SRV
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+echo throws(function() {
	+ $manager = create_test_manager('mongodb+srv://a.example.com/?directConnection=true');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n\n";
	+
	+echo throws(function() {
	+ $manager = create_test_manager('mongodb+srv://a.example.com', ['directConnection' => true]);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb+srv://a.example.com/?directConnection=true'. SRV URI not allowed with directConnection option.
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: SRV URI not allowed with directConnection option
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-003.phpt
	new file mode 100644
	index 00000000..179bed13
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-003.phpt
	@@ -0,0 +1,39 @@
	+--TEST--
	+MongoDB\Driver\Manager with disableClientPersistence=true referenced by Session
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+ini_set('mongodb.debug', 'stderr');
	+$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+ini_set('mongodb.debug', '');
	+
	+echo "Creating session\n";
	+$session = $manager->startSession();
	+
	+echo "Unsetting manager\n";
	+ini_set('mongodb.debug', 'stderr');
	+unset($manager);
	+ini_set('mongodb.debug', '');
	+
	+echo "Unsetting session\n";
	+ini_set('mongodb.debug', 'stderr');
	+unset($session);
	+ini_set('mongodb.debug', '');
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+%A
	+[%s] PHONGO: DEBUG > Created client with hash: %s
	+[%s] PHONGO: DEBUG > Stored non-persistent client
	+Creating session
	+Unsetting manager
	+Unsetting session%A
	+[%s] PHONGO: DEBUG > Destroying non-persistent client for Manager%A
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-004.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-005.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-006.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-007.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-007.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-007.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-008.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-008.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-008.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-009.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-009.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-009.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-010.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-010.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-010.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-010.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-011.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-011.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence-011.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence-011.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-disableClientPersistence_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-disableClientPersistence_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-driver-metadata-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-driver-metadata-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-driver-metadata-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-driver-metadata-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-004.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-duplicate-option-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-duplicate-option-004.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-loadBalanced_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-loadBalanced_error-001.phpt
	new file mode 100644
	index 00000000..e1b34fc9
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-loadBalanced_error-001.phpt
	@@ -0,0 +1,48 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): loadBalanced option validation
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017,localhost:27018/?loadBalanced=true');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017,localhost:27018', ['loadBalanced' => true]);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/?loadBalanced=true&replicaSet=foo');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017', ['loadBalanced' => true, 'replicaSet' => 'foo']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/?loadBalanced=true&directConnection=true');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017', ['loadBalanced' => true, 'directConnection' => true]);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017,localhost:27018/?loadBalanced=true'. URI with "loadbalanced" enabled must not contain more than one host.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: URI with "loadbalanced" enabled must not contain more than one host
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?loadBalanced=true&replicaSet=foo'. URI with "loadbalanced" enabled must not contain option "replicaset".
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: URI with "loadbalanced" enabled must not contain option "replicaset"
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?loadBalanced=true&directConnection=true'. URI with "loadbalanced" enabled must not contain option "directconnection" enabled.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: URI with "loadbalanced" enabled must not contain option "directconnection" enabled
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_concern-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_concern-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_concern-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_concern-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_concern-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_concern-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_concern-error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_concern-error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_preference-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_preference-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_preference-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_preference-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_preference-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_preference-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_preference-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_preference-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_preference-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_preference-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_preference-error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_preference-error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_preference-error-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_preference-error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_preference-error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_preference-error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-read_preference-error-004.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-read_preference-error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-read_preference-error-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-read_preference-error-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-server.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-server.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-server.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-server.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-serverApi-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-serverApi-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-serverApi-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-serverApi-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-serverApi-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-serverApi-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-serverApi-error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-serverApi-error-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-srvMaxHosts_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-srvMaxHosts_error-001.phpt
	new file mode 100644
	index 00000000..83b2b855
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-srvMaxHosts_error-001.phpt
	@@ -0,0 +1,48 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): srvMaxHosts option validation
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/?srvMaxHosts=1');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017', ['srvMaxHosts' => 1]);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb+srv://a.example.com/?srvMaxHosts=1&replicaSet=foo');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb+srv://a.example.com', ['srvMaxHosts' => 1, 'replicaSet' => 'foo']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb+srv://a.example.com/?srvMaxHosts=1&loadBalanced=true');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb+srv://a.example.com', ['srvMaxHosts' => 1, 'loadBalanced' => true]);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?srvMaxHosts=1'. srvmaxhosts must not be specified with a non-SRV URI.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: srvmaxhosts must not be specified with a non-SRV URI
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb+srv://a.example.com/?srvMaxHosts=1&replicaSet=foo'. srvmaxhosts must not be specified with replicaset.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: srvmaxhosts must not be specified with replicaset
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb+srv://a.example.com/?srvMaxHosts=1&loadBalanced=true'. srvmaxhosts must not be specified with loadbalanced=true.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: srvmaxhosts must not be specified with loadbalanced=true
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-srvServiceName_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-srvServiceName_error-001.phpt
	new file mode 100644
	index 00000000..8c726a1f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-srvServiceName_error-001.phpt
	@@ -0,0 +1,24 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): srvServiceName option validation
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017/?srvServiceName=foo');
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+echo throws(function() {
	+ create_test_manager('mongodb://localhost:27017', ['srvServiceName' => 'foo']);
	+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?srvServiceName=foo'. srvservicename must not be specified with a non-SRV URI.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: srvservicename must not be specified with a non-SRV URI
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-ssl-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-ssl-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-ssl-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-ssl-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-ssl-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-ssl-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-ssl-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-ssl-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-ssl-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-ssl-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-ssl-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-ssl-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-ssl-deprecated-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-ssl-deprecated-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-ssl-deprecated-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-ssl-deprecated-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-ssl-deprecated-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-ssl-deprecated-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-ssl-deprecated-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-ssl-deprecated-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-ctor-tls-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-tls-error-001.phpt
	new file mode 100644
	index 00000000..29695f04
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-ctor-tls-error-001.phpt
	@@ -0,0 +1,152 @@
	+--TEST--
	+MongoDB\Driver\Manager::__construct(): Test invalid URI option combinations
	+--FILE--
	+<?php
	+
	+require_once __DIR__ . '/../utils/basic.inc';
	+
	+$invalidCombinations = [
	+ ['tlsInsecure', 'tlsAllowInvalidHostnames'],
	+ ['tlsInsecure', 'tlsAllowInvalidCertificates'],
	+ ['tlsInsecure', 'tlsDisableOCSPEndpointCheck'],
	+ ['tlsInsecure', 'tlsDisableCertificateRevocationCheck'],
	+ ['tlsAllowInvalidCertificates', 'tlsDisableOCSPEndpointCheck'],
	+ ['tlsAllowInvalidCertificates', 'tlsDisableCertificateRevocationCheck'],
	+];
	+
	+foreach ($invalidCombinations as list($optionA, $optionB)) {
	+ foreach ([false, true] as $valueA) {
	+ foreach ([false, true] as $valueB) {
	+ echo throws(function() use ($optionA, $valueA, $optionB, $valueB) {
	+ create_test_manager(sprintf(
	+ 'mongodb://localhost:27017/?%s=%s&%s=%s',
	+ $optionA,
	+ $valueA ? 'true' : 'false',
	+ $optionB,
	+ $valueB ? 'true' : 'false'
	+ ));
	+ }, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+
	+ echo throws(function() use ($optionA, $valueA, $optionB, $valueB) {
	+ create_test_manager(
	+ sprintf(
	+ 'mongodb://localhost:27017/?%s=%s',
	+ $optionA,
	+ $valueA ? 'true' : 'false'
	+ ),
	+ [ $optionB => $valueB ]
	+ );
	+ }, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
	+ }
	+ }
	+
	+ echo "\n";
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidHostnames=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidHostnames=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidHostnames=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidHostnames=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidCertificates=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsAllowInvalidCertificates=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidCertificates=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsAllowInvalidCertificates=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableOCSPEndpointCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableOCSPEndpointCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableOCSPEndpointCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableOCSPEndpointCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableCertificateRevocationCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=false&tlsDisableCertificateRevocationCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableCertificateRevocationCheck=false'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsInsecure=true&tlsDisableCertificateRevocationCheck=true'. tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsinsecure may not be specified with tlsallowinvalidcertificates, tlsallowinvalidhostnames, tlsdisableocspendpointcheck, or tlsdisablecertificaterevocationcheck
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableOCSPEndpointCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableOCSPEndpointCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableOCSPEndpointCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableOCSPEndpointCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableCertificateRevocationCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=false&tlsDisableCertificateRevocationCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableCertificateRevocationCheck=false'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse MongoDB URI: 'mongodb://localhost:27017/?tlsAllowInvalidCertificates=true&tlsDisableCertificateRevocationCheck=true'. tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck.
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Failed to parse URI options: tlsallowinvalidcertificates may not be specified with tlsdisableocspendpointcheck or tlsdisablecertificaterevocationcheck
	+
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-wireversion.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-wireversion.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-wireversion.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-wireversion.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-004.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-005.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-006.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-005.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-006.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-007.phpt b/mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor-write_concern-error-007.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor-write_concern-error-007.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-ctor_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-ctor_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor_error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor_error-003.phpt b/mongodb-1.13.0/tests/manager/manager-ctor_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor_error-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor_error-004.phpt b/mongodb-1.13.0/tests/manager/manager-ctor_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor_error-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-ctor_error-005.phpt b/mongodb-1.13.0/tests/manager/manager-ctor_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-ctor_error-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-ctor_error-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-debug-001.phpt b/mongodb-1.13.0/tests/manager/manager-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-debug-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-debug-002.phpt b/mongodb-1.13.0/tests/manager/manager-debug-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-debug-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-debug-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-debug-003.phpt b/mongodb-1.13.0/tests/manager/manager-debug-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-debug-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-debug-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-destruct-001.phpt b/mongodb-1.13.0/tests/manager/manager-destruct-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-destruct-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-destruct-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-004.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-005.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-006.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-007.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-007.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-007.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-008.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-008.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-008.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-009.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-009.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-009.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-010.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-010.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-010.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-010.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-011.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-011.phpt
	new file mode 100644
	index 00000000..4ae81450
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-011.phpt
	@@ -0,0 +1,84 @@
	+--TEST--
	+MongoDB\Driver\BulkWrite: bypassDocumentValidation option
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$command = new MongoDB\Driver\Command([
	+ 'create' => COLLECTION_NAME,
	+ 'validator' => ['x' => ['$type' => 'number']],
	+]);
	+$manager->executeCommand(DATABASE_NAME, $command);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1, 'x' => 1]);
	+$bulk->insert(['_id' => 2, 'x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$bulk = new MongoDB\Driver\BulkWrite(['bypassDocumentValidation' => true]);
	+$bulk->update(['_id' => 2], ['$set' => ['x' => 'two']]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$bulk = new MongoDB\Driver\BulkWrite(['bypassDocumentValidation' => true]);
	+$bulk->insert(['_id' => 3, 'x' => 'three']);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 4, 'x' => 'four']);
	+
	+echo throws(function() use($manager, $bulk) {
	+ $manager->executeBulkWrite(NS, $bulk);
	+}, "MongoDB\Driver\Exception\BulkWriteException"), "\n";
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->update(['_id' => 1], ['$set' => ['x' => 'one']]);
	+
	+echo throws(function() use($manager, $bulk) {
	+ $manager->executeBulkWrite(NS, $bulk);
	+}, "MongoDB\Driver\Exception\BulkWriteException"), "\n";
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->update(['_id' => 2], ['$set' => ['x' => 2]]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query([]));
	+var_dump(iterator_to_array($cursor));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+Document failed validation
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+Document failed validation
	+array(3) {
	+ [0]=>
	+ object(stdClass)#%d (2) {
	+ ["_id"]=>
	+ int(1)
	+ ["x"]=>
	+ int(1)
	+ }
	+ [1]=>
	+ object(stdClass)#%d (2) {
	+ ["_id"]=>
	+ int(2)
	+ ["x"]=>
	+ int(2)
	+ }
	+ [2]=>
	+ object(stdClass)#%d (2) {
	+ ["_id"]=>
	+ int(3)
	+ ["x"]=>
	+ string(5) "three"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-012.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-012.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-012.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-012.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-013.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-013.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-013.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-013.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite-014.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite-014.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite-014.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite-014.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-004.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-005.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-006.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-006.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-007.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-007.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-007.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-008.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-008.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-008.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-009.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-009.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-009.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-010.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-010.phpt
	new file mode 100644
	index 00000000..d66f41cb
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-010.phpt
	@@ -0,0 +1,42 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeBulkWrite() cannot combine session with unacknowledged write concern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+echo throws(function() {
	+ $manager = create_test_manager();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['x' => 1]);
	+
	+ $manager->executeBulkWrite(NS, $bulk, [
	+ 'session' => $manager->startSession(),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+echo throws(function() {
	+ $manager = create_test_manager(URI, ['w' => 0]);
	+
	+ $bulk = new MongoDB\Driver\BulkWrite;
	+ $bulk->insert(['x' => 1]);
	+
	+ $manager->executeBulkWrite(NS, $bulk, [
	+ 'session' => $manager->startSession(),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-011.phpt b/mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-011.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeBulkWrite_error-011.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeBulkWrite_error-011.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand-003.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeCommand-004.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-004.phpt
	new file mode 100644
	index 00000000..6f53691d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeCommand-004.phpt
	@@ -0,0 +1,50 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeCommand() options (MONGOC_CMD_RAW)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager) {
	+ $command = new MongoDB\Driver\Command([
	+ 'ping' => true,
	+ ]);
	+
	+ try {
	+ $manager->executeCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ } catch ( Exception $e ) {
	+ // Ignore exception that ping doesn't support writeConcern
	+ }
	+ },
	+ function(stdClass $command) {
	+ echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Read Preference: secondary
	+Read Concern: local
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-005.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand-006.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand-006.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeCommand-007.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand-007.phpt
	new file mode 100644
	index 00000000..14e06cac
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeCommand-007.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeCommand() does not inherit read or write concern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$group' => ['_id' => 1]],
	+ ['$out' => COLLECTION_NAME . '.out'],
	+ ],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager, $command) {
	+ $manager->executeCommand(DATABASE_NAME, $command);
	+ $manager->executeCommand(DATABASE_NAME, $command, [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	+ ]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern ?? null), "\n";
	+ echo json_encode($command->writeConcern ?? null), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+null
	+null
	+{"level":"available"}
	+{"w":1}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand_error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand_error-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand_error-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeCommand_error-004.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeCommand_error-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeCommand_error-004.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeCommand_error-005.phpt b/mongodb-1.13.0/tests/manager/manager-executeCommand_error-005.phpt
	new file mode 100644
	index 00000000..5ed7fc56
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeCommand_error-005.phpt
	@@ -0,0 +1,27 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeCommand() cannot combine session with unacknowledged write concern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+echo throws(function() {
	+ $manager = create_test_manager();
	+ $command = new MongoDB\Driver\Command([
	+ 'insert' => COLLECTION_NAME,
	+ 'documents' => [['x' => 1]],
	+ ]);
	+ $manager->executeCommand(DATABASE_NAME, $command, [
	+ 'session' => $manager->startSession(),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeQuery-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery-002.phpt
	new file mode 100644
	index 00000000..c1f54d3a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeQuery-002.phpt
	@@ -0,0 +1,91 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeQuery() one document
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+// load fixtures for test
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(array('_id' => 1, 'x' => 2, 'y' => 3));
	+$bulk->insert(array('_id' => 2, 'x' => 3, 'y' => 4));
	+$bulk->insert(array('_id' => 3, 'x' => 4, 'y' => 5));
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$query = new MongoDB\Driver\Query(array('x' => 3), array('projection' => array('y' => 1)));
	+$qr = $manager->executeQuery(NS, $query);
	+
	+var_dump($qr instanceof MongoDB\Driver\Cursor);
	+var_dump($qr);
	+
	+$server = $qr->getServer();
	+
	+var_dump($server instanceof MongoDB\Driver\Server);
	+var_dump($server->getHost());
	+var_dump($server->getPort());
	+
	+var_dump(iterator_to_array($qr));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+bool(true)
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ ["database"]=>
	+ string(6) "phongo"
	+ ["collection"]=>
	+ string(32) "manager_manager_executeQuery_002"
	+ ["query"]=>
	+ object(MongoDB\Driver\Query)#%d (%d) {
	+ ["filter"]=>
	+ object(stdClass)#%d (%d) {
	+ ["x"]=>
	+ int(3)
	+ }
	+ ["options"]=>
	+ object(stdClass)#%d (%d) {
	+ ["projection"]=>
	+ object(stdClass)#%d (%d) {
	+ ["y"]=>
	+ int(1)
	+ }
	+ }
	+ ["readConcern"]=>
	+ NULL
	+ }
	+ ["command"]=>
	+ NULL
	+ ["readPreference"]=>
	+ NULL
	+ ["session"]=>
	+ NULL
	+ ["isDead"]=>
	+ bool(false)
	+ ["currentIndex"]=>
	+ int(0)
	+ ["currentDocument"]=>
	+ NULL
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+}
	+bool(true)
	+string(%d) "%s"
	+int(%d)
	+array(1) {
	+ [0]=>
	+ object(stdClass)#%d (2) {
	+ ["_id"]=>
	+ int(2)
	+ ["y"]=>
	+ int(4)
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeQuery-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeQuery-003.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-004.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeQuery-004.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeQuery-004.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-005.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeQuery-005.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeQuery-005.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery-006.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeQuery-006.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeQuery-006.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeQuery-007.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery-007.phpt
	new file mode 100644
	index 00000000..3f3fe43a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeQuery-007.phpt
	@@ -0,0 +1,32 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeQuery() read concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager) {
	+ $manager->executeQuery(NS, new MongoDB\Driver\Query([]));
	+ $manager->executeQuery(NS, new MongoDB\Driver\Query([], [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ ]));
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"level":"local"}
	+{"level":"available"}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeQuery_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeQuery_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeQuery_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeQuery_error-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeQuery_error-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeQuery_error-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeQuery_error-003.phpt
	new file mode 100644
	index 00000000..b79b6b34
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeQuery_error-003.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeQuery() exposes error document via CommandException
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$query = new MongoDB\Driver\Query(['field' => ['$unsupportedOperator' => true]]);
	+
	+try {
	+ $manager->executeQuery(NS, $query);
	+} catch (\MongoDB\Driver\Exception\CommandException $e) {
	+ printf("%s(%d): %s\n", get_class($e), $e->getCode(), $e->getMessage());
	+ $doc = $e->getResultDocument();
	+ var_dump($doc->errmsg === $e->getMessage());
	+ var_dump($doc->code === $e->getCode());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+MongoDB\Driver\Exception\CommandException(2): unknown operator: $unsupportedOperator
	+bool(true)
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeReadCommand-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadCommand-001.phpt
	new file mode 100644
	index 00000000..d8a506f0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeReadCommand-001.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeReadCommand()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager) {
	+ $command = new MongoDB\Driver\Command( [
	+ 'aggregate' => NS,
	+ 'pipeline' => [],
	+ 'cursor' => new stdClass(),
	+ ] );
	+ $manager->executeReadCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::MAJORITY),
	+ ]
	+ );
	+ },
	+ function(stdClass $command) {
	+ echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ }
	+);
	+
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Read Preference: secondary
	+Read Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadCommand-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeReadCommand-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeReadCommand-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeReadCommand-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadCommand-003.phpt
	new file mode 100644
	index 00000000..168b6a1f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeReadCommand-003.phpt
	@@ -0,0 +1,38 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeReadCommand() read concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [['$group' => ['_id' => 1]]],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager, $command) {
	+ $manager->executeReadCommand(DATABASE_NAME, $command);
	+ $manager->executeReadCommand(DATABASE_NAME, $command, [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ ]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"level":"local"}
	+{"level":"available"}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadCommand_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeReadCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeReadCommand_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-001.phpt
	new file mode 100644
	index 00000000..ca387dcd
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-001.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeReadWriteCommand()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$group' => ['_id' => 1]],
	+ ['$out' => COLLECTION_NAME . '.out'],
	+ ],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager, $command) {
	+ $manager->executeReadWriteCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ },
	+ function(stdClass $command) {
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Read Concern: local
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-003.phpt
	new file mode 100644
	index 00000000..21e8c031
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand-003.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeReadWriteCommand() read and write concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$group' => ['_id' => 1]],
	+ ['$out' => COLLECTION_NAME . '.out'],
	+ ],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager, $command) {
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command);
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command, [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	+ ]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern), "\n";
	+ echo json_encode($command->writeConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"level":"local"}
	+{"w":2,"wtimeout":1000}
	+{"level":"available"}
	+{"w":1}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeReadWriteCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand_error-002.phpt
	new file mode 100644
	index 00000000..465ce383
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeReadWriteCommand_error-002.phpt
	@@ -0,0 +1,48 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeReadWriteCommand() cannot combine session with unacknowledged write concern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+/* insert should not normally be used with executeReadWriteCommand(), but we are
	+ * only testing executeReadWriteCommand()'s option validation. */
	+echo throws(function() {
	+ $manager = create_test_manager();
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'insert' => COLLECTION_NAME,
	+ 'documents' => [['x' => 1]],
	+ ]);
	+
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command, [
	+ 'session' => $manager->startSession(),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+echo throws(function() {
	+ $manager = create_test_manager(URI, ['w' => 0]);
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'insert' => COLLECTION_NAME,
	+ 'documents' => [['x' => 1]],
	+ ]);
	+
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command, [
	+ 'session' => $manager->startSession(),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-001.phpt
	new file mode 100644
	index 00000000..acc71ef3
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-001.phpt
	@@ -0,0 +1,41 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeWriteCommand()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+
	+$bw = new MongoDB\Driver\BulkWrite();
	+$bw->insert(['a' => 1]);
	+$manager->executeBulkWrite(NS, $bw);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager) {
	+ $command = new MongoDB\Driver\Command([
	+ 'drop' => COLLECTION_NAME,
	+ ]);
	+ $manager->executeWriteCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ },
	+ function(stdClass $command) {
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeWriteCommand-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeWriteCommand-002.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-003.phpt
	new file mode 100644
	index 00000000..47e3e116
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand-003.phpt
	@@ -0,0 +1,39 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeWriteCommand() write concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['w' => 2, 'wtimeoutms' => 1000]);
	+
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['x' => 1],
	+ 'upsert' => true,
	+ 'new' => true,
	+ 'update' => ['$inc' => ['x' => 1]],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($manager, $command) {
	+ $manager->executeWriteCommand(DATABASE_NAME, $command);
	+ $manager->executeWriteCommand(DATABASE_NAME, $command, ['writeConcern' => new MongoDB\Driver\WriteConcern(1)]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->writeConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"w":2,"wtimeout":1000}
	+{"w":1}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-executeWriteCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-002.phpt
	new file mode 100644
	index 00000000..8f839698
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-002.phpt
	@@ -0,0 +1,32 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeWriteCommand() throws CommandException for invalid writeConcern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['_id' => 'foo'],
	+ 'update' => ['foo' => ['bar']],
	+ 'upsert' => true,
	+ 'new' => true,
	+]);
	+
	+try {
	+ $manager->executeWriteCommand(DATABASE_NAME, $command, ['writeConcern' => new MongoDB\Driver\WriteConcern("undefined")]);
	+} catch (MongoDB\Driver\Exception\CommandException $e) {
	+ printf("%s(%d): %s\n", get_class($e), $e->getCode(), $e->getMessage());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+MongoDB\Driver\Exception\CommandException(79): Write Concern error: No write concern mode named 'undefined' found in replica set configuration
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-003.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-003.phpt
	new file mode 100644
	index 00000000..d2af2919
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-003.phpt
	@@ -0,0 +1,30 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeWriteCommand() throws CommandException for unsupported update operator
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['_id' => 'foo'],
	+ 'upsert' => true,
	+ 'new' => true,
	+]);
	+
	+try {
	+ $manager->executeWriteCommand(DATABASE_NAME, $command);
	+} catch (MongoDB\Driver\Exception\CommandException $e) {
	+ printf("%s(%d): %s\n", get_class($e), $e->getCode(), $e->getMessage());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+MongoDB\Driver\Exception\CommandException(9): Either an update or remove=true must be specified
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-004.phpt b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-004.phpt
	new file mode 100644
	index 00000000..c998b382
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-executeWriteCommand_error-004.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Manager::executeWriteCommand() cannot combine session with unacknowledged write concern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+echo throws(function() {
	+ $manager = create_test_manager();
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'insert' => COLLECTION_NAME,
	+ 'documents' => [['x' => 1]],
	+ ]);
	+
	+ $manager->executeWriteCommand(DATABASE_NAME, $command, [
	+ 'session' => $manager->startSession(),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(0),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+echo throws(function() {
	+ $manager = create_test_manager(URI, ['w' => 0]);
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'insert' => COLLECTION_NAME,
	+ 'documents' => [['x' => 1]],
	+ ]);
	+
	+ $manager->executeWriteCommand(DATABASE_NAME, $command, [
	+ 'session' => $manager->startSession(),
	+ ]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot combine "session" option with an unacknowledged write concern
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-getreadconcern-001.phpt b/mongodb-1.13.0/tests/manager/manager-getreadconcern-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-getreadconcern-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-getreadconcern-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-getreadpreference-001.phpt b/mongodb-1.13.0/tests/manager/manager-getreadpreference-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-getreadpreference-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-getreadpreference-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-getservers-001.phpt b/mongodb-1.13.0/tests/manager/manager-getservers-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-getservers-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-getservers-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-getservers-002.phpt b/mongodb-1.13.0/tests/manager/manager-getservers-002.phpt
	new file mode 100644
	index 00000000..fa404dbd
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-getservers-002.phpt
	@@ -0,0 +1,56 @@
	+--TEST--
	+MongoDB\Driver\Manager::getServers() (replica set)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_nodes(3, 3); ?>
	+<?php skip_if_no_arbiter(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+function assertServerType($type) {
	+ $rsTypes = array(
	+ MongoDB\Driver\Server::TYPE_RS_PRIMARY,
	+ MongoDB\Driver\Server::TYPE_RS_SECONDARY,
	+ MongoDB\Driver\Server::TYPE_RS_ARBITER,
	+ );
	+
	+ if (in_array($type, $rsTypes, true)) {
	+ printf("Found replica set server type: %d\n", $type);
	+ } else {
	+ printf("Unexpected server type: %d\n", $type);
	+ }
	+}
	+
	+$manager = create_test_manager();
	+
	+$servers = $manager->getServers();
	+printf("Known servers: %d\n", count($servers));
	+
	+echo "Pinging\n";
	+$command = new MongoDB\Driver\Command(array('ping' => 1));
	+$manager->executeCommand(DATABASE_NAME, $command);
	+
	+$servers = $manager->getServers();
	+printf("Known servers: %d\n", count($servers));
	+
	+foreach ($servers as $server) {
	+ printf("Found server: %s:%d\n", $server->getHost(), $server->getPort());
	+ assertServerType($server->getType());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Known servers: 0
	+Pinging
	+Known servers: 3
	+Found server: %s:%d
	+Found replica set server type: %r(4\|5\|6)%r
	+Found server: %s:%d
	+Found replica set server type: %r(4\|5\|6)%r
	+Found server: %s:%d
	+Found replica set server type: %r(4\|5\|6)%r
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-getwriteconcern-001.phpt b/mongodb-1.13.0/tests/manager/manager-getwriteconcern-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-getwriteconcern-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-getwriteconcern-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-invalidnamespace.phpt b/mongodb-1.13.0/tests/manager/manager-invalidnamespace.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-invalidnamespace.phpt
	rename to mongodb-1.13.0/tests/manager/manager-invalidnamespace.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-removeSubscriber-001.phpt b/mongodb-1.13.0/tests/manager/manager-removeSubscriber-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-removeSubscriber-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-removeSubscriber-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-removeSubscriber-002.phpt b/mongodb-1.13.0/tests/manager/manager-removeSubscriber-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-removeSubscriber-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-removeSubscriber-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-selectServer-001.phpt b/mongodb-1.13.0/tests/manager/manager-selectServer-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-selectServer-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-selectServer-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-selectServer-002.phpt b/mongodb-1.13.0/tests/manager/manager-selectServer-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-selectServer-002.phpt
	rename to mongodb-1.13.0/tests/manager/manager-selectServer-002.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-selectserver_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-selectserver_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-selectserver_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-selectserver_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-set-uri-options-001.phpt b/mongodb-1.13.0/tests/manager/manager-set-uri-options-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-set-uri-options-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-set-uri-options-001.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-set-uri-options-002.phpt b/mongodb-1.13.0/tests/manager/manager-set-uri-options-002.phpt
	new file mode 100644
	index 00000000..07603593
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-set-uri-options-002.phpt
	@@ -0,0 +1,58 @@
	+--TEST--
	+MongoDB\Driver\Manager: Connecting to MongoDB using "ssl" from $options
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_ssl(); ?>
	+<?php skip_if_not_ssl(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$opts = array(
	+ "ssl" => array(
	+ "verify_peer" => false,
	+ "verify_peer_name" => false,
	+ "allow_self_signed" => true,
	+ ),
	+);
	+$context = stream_context_create($opts);
	+
	+$options = array(
	+ "ssl" => false,
	+ "serverselectiontimeoutms" => 100,
	+);
	+/* The server requires SSL */
	+$manager = create_test_manager(URI, $options, array("context" => $context));
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(array("my" => "value"));
	+
	+throws(function() use ($manager, $bulk) {
	+ $inserted = $manager->executeBulkWrite(NS, $bulk)->getInsertedCount();
	+ printf("Inserted incorrectly: %d\n", $inserted);
	+}, MongoDB\Driver\Exception\ConnectionException::class);
	+
	+$options = array(
	+ "ssl" => true,
	+);
	+$manager = create_test_manager(URI, $options, array("context" => $context));
	+$bulk = new MongoDB\Driver\BulkWrite;
	+
	+$bulk->insert(array("my" => "value"));
	+$inserted = $manager->executeBulkWrite(NS, $bulk)->getInsertedCount();
	+printf("Inserted: %d\n", $inserted);
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+OK: Got MongoDB\Driver\Exception\ConnectionException
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "context" driver option is deprecated.%s
	+
	+Deprecated: MongoDB\Driver\Manager::__construct(): The "allow_self_signed" context driver option is deprecated. Please use the "tlsAllowInvalidCertificates" URI option instead.%s
	+Inserted: 1
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-set-uri-options-003.phpt b/mongodb-1.13.0/tests/manager/manager-set-uri-options-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-set-uri-options-003.phpt
	rename to mongodb-1.13.0/tests/manager/manager-set-uri-options-003.phpt
	diff --git a/mongodb-1.13.0/tests/manager/manager-startSession_error-001.phpt b/mongodb-1.13.0/tests/manager/manager-startSession_error-001.phpt
	new file mode 100644
	index 00000000..9e6ed1b4
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-startSession_error-001.phpt
	@@ -0,0 +1,92 @@
	+--TEST--
	+MongoDB\Driver\Manager::startSession() with wrong defaultTransactionOptions
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$options = [
	+ [ 'maxCommitTimeMS' => -1 ],
	+ [ 'readConcern' => 42 ],
	+ [ 'readConcern' => new stdClass ],
	+ [ 'readConcern' => new \MongoDB\Driver\WriteConcern( 2 ) ],
	+ [ 'readPreference' => 42 ],
	+ [ 'readPreference' => new stdClass ],
	+ [ 'readPreference' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ) ],
	+ [ 'writeConcern' => 42 ],
	+ [ 'writeConcern' => new stdClass ],
	+ [ 'writeConcern' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ) ],
	+
	+ [
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ),
	+ 'readPreference' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ),
	+ ],
	+ [
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern( \MongoDB\Driver\ReadConcern::LOCAL ),
	+ 'writeConcern' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ),
	+ ],
	+ [
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ),
	+ 'writeConcern' => new \MongoDB\Driver\ReadPreference( \MongoDB\Driver\ReadPreference::RP_SECONDARY ),
	+ ],
	+
	+ 42,
	+ new stdClass,
	+];
	+
	+foreach ($options as $txnOptions) {
	+ echo throws(function() use ($manager, $txnOptions) {
	+ $manager->startSession([
	+ 'defaultTransactionOptions' => $txnOptions
	+ ]);
	+ }, MongoDB\Driver\Exception\InvalidArgumentException::class), "\n";
	+}
	+
	+echo raises(function() use ($manager) {
	+ $manager->startSession([
	+ 'defaultTransactionOptions' => [ 'maxCommitTimeMS' => new stdClass ]
	+ ]);
	+}, E_NOTICE \| E_WARNING), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "maxCommitTimeMS" option to be >= 0, -1 given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readConcern" option to be MongoDB\Driver\ReadConcern, int%S given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readConcern" option to be MongoDB\Driver\ReadConcern, stdClass given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readConcern" option to be MongoDB\Driver\ReadConcern, MongoDB\Driver\WriteConcern given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readPreference" option to be MongoDB\Driver\ReadPreference, int%S given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readPreference" option to be MongoDB\Driver\ReadPreference, stdClass given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readPreference" option to be MongoDB\Driver\ReadPreference, MongoDB\Driver\ReadConcern given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, int%S given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, stdClass given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, MongoDB\Driver\ReadPreference given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "readPreference" option to be MongoDB\Driver\ReadPreference, MongoDB\Driver\ReadConcern given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, MongoDB\Driver\ReadPreference given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "writeConcern" option to be MongoDB\Driver\WriteConcern, MongoDB\Driver\ReadPreference given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "defaultTransactionOptions" option to be an array, int%S given
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Expected "defaultTransactionOptions" option to be an array, stdClass given
	+OK: Got %r(E_NOTICE\|E_WARNING)%r
	+Object of class stdClass could not be converted to int
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/manager/manager-startSession_error-002.phpt b/mongodb-1.13.0/tests/manager/manager-startSession_error-002.phpt
	new file mode 100644
	index 00000000..bf5844b0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/manager/manager-startSession_error-002.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+MongoDB\Driver\Manager::startSession() snapshot and causalConsistency cannot both be true
	+--DESCRIPTION--
	+Session spec prose test #1
	+https://github.com/mongodb/specifications/blob/master/source/sessions/tests/README.rst#prose-tests
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+echo throws(function() use ($manager) {
	+ $manager->startSession([
	+ 'causalConsistency' => true,
	+ 'snapshot' => true,
	+ ]);
	+}, MongoDB\Driver\Exception\InvalidArgumentException::class), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Only one of "causalConsistency" and "snapshot" can be enabled
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/manager/manager-var-dump-001.phpt b/mongodb-1.13.0/tests/manager/manager-var-dump-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-var-dump-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager-var-dump-001.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager-wakeup.phpt b/mongodb-1.13.0/tests/manager/manager-wakeup.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager-wakeup.phpt
	rename to mongodb-1.13.0/tests/manager/manager-wakeup.phpt
	diff --git a/mongodb-1.12.0/tests/manager/manager_error-001.phpt b/mongodb-1.13.0/tests/manager/manager_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/manager/manager_error-001.phpt
	rename to mongodb-1.13.0/tests/manager/manager_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/query/bug0430-001.phpt b/mongodb-1.13.0/tests/query/bug0430-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/bug0430-001.phpt
	rename to mongodb-1.13.0/tests/query/bug0430-001.phpt
	diff --git a/mongodb-1.12.0/tests/query/bug0430-002.phpt b/mongodb-1.13.0/tests/query/bug0430-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/bug0430-002.phpt
	rename to mongodb-1.13.0/tests/query/bug0430-002.phpt
	diff --git a/mongodb-1.12.0/tests/query/bug0430-003.phpt b/mongodb-1.13.0/tests/query/bug0430-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/bug0430-003.phpt
	rename to mongodb-1.13.0/tests/query/bug0430-003.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor-001.phpt b/mongodb-1.13.0/tests/query/query-ctor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor-001.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor-001.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor-002.phpt b/mongodb-1.13.0/tests/query/query-ctor-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor-002.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor-002.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor-003.phpt b/mongodb-1.13.0/tests/query/query-ctor-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor-003.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor-003.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor-004.phpt b/mongodb-1.13.0/tests/query/query-ctor-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor-004.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor-004.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor-005.phpt b/mongodb-1.13.0/tests/query/query-ctor-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor-005.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor-005.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor-006.phpt b/mongodb-1.13.0/tests/query/query-ctor-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor-006.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor-006.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor_error-001.phpt b/mongodb-1.13.0/tests/query/query-ctor_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor_error-001.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor_error-002.phpt b/mongodb-1.13.0/tests/query/query-ctor_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor_error-002.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor_error-003.phpt b/mongodb-1.13.0/tests/query/query-ctor_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor_error-003.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor_error-004.phpt b/mongodb-1.13.0/tests/query/query-ctor_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor_error-004.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor_error-005.phpt b/mongodb-1.13.0/tests/query/query-ctor_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor_error-005.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor_error-005.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-ctor_error-006.phpt b/mongodb-1.13.0/tests/query/query-ctor_error-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-ctor_error-006.phpt
	rename to mongodb-1.13.0/tests/query/query-ctor_error-006.phpt
	diff --git a/mongodb-1.12.0/tests/query/query-debug-001.phpt b/mongodb-1.13.0/tests/query/query-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query-debug-001.phpt
	rename to mongodb-1.13.0/tests/query/query-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/query/query_error-001.phpt b/mongodb-1.13.0/tests/query/query_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/query/query_error-001.phpt
	rename to mongodb-1.13.0/tests/query/query_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/bug1598-001.phpt b/mongodb-1.13.0/tests/readConcern/bug1598-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/bug1598-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/bug1598-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/bug1598-002.phpt b/mongodb-1.13.0/tests/readConcern/bug1598-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/bug1598-002.phpt
	rename to mongodb-1.13.0/tests/readConcern/bug1598-002.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-bsonserialize-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-bsonserialize-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-bsonserialize-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-bsonserialize-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-bsonserialize-002.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-bsonserialize-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-bsonserialize-002.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-bsonserialize-002.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-constants.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-constants.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-constants.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-constants.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-ctor-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-ctor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-ctor-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-ctor-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-ctor_error-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-ctor_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-ctor_error-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-ctor_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-ctor_error-002.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-ctor_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-ctor_error-002.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-ctor_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-debug-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-debug-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-getlevel-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-getlevel-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-getlevel-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-getlevel-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-isdefault-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-isdefault-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-isdefault-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-isdefault-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-serialization-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-serialization-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-serialization-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-serialization-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-serialization-002.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-serialization-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-serialization-002.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-serialization-002.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-serialization_error-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-serialization_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-serialization_error-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-serialization_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-serialization_error-002.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-serialization_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-serialization_error-002.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-serialization_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-set_state-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-set_state-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-set_state-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-set_state-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-set_state_error-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-set_state_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-set_state_error-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-set_state_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern-var_export-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern-var_export-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern-var_export-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern-var_export-001.phpt
	diff --git a/mongodb-1.12.0/tests/readConcern/readconcern_error-001.phpt b/mongodb-1.13.0/tests/readConcern/readconcern_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readConcern/readconcern_error-001.phpt
	rename to mongodb-1.13.0/tests/readConcern/readconcern_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/readPreference/bug0146-001.phpt b/mongodb-1.13.0/tests/readPreference/bug0146-001.phpt
	new file mode 100644
	index 00000000..1f24a575
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/readPreference/bug0146-001.phpt
	@@ -0,0 +1,227 @@
	+--TEST--
	+PHPC-146: ReadPreference primaryPreferred and secondary swapped
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(array('my' => 'document'));
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+$rps = array(
	+ MongoDB\Driver\ReadPreference::RP_PRIMARY,
	+ MongoDB\Driver\ReadPreference::RP_PRIMARY_PREFERRED,
	+ MongoDB\Driver\ReadPreference::RP_SECONDARY,
	+ MongoDB\Driver\ReadPreference::RP_SECONDARY_PREFERRED,
	+ MongoDB\Driver\ReadPreference::RP_NEAREST,
	+);
	+
	+foreach($rps as $r) {
	+ $rp = new MongoDB\Driver\ReadPreference($r);
	+ $cursor = $manager->executeQuery(NS, new MongoDB\Driver\Query(array("my" => "query")), $rp);
	+ var_dump($cursor);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ ["database"]=>
	+ string(6) "phongo"
	+ ["collection"]=>
	+ string(26) "readPreference_bug0146_001"
	+ ["query"]=>
	+ object(MongoDB\Driver\Query)#%d (%d) {
	+ ["filter"]=>
	+ object(stdClass)#%d (%d) {
	+ ["my"]=>
	+ string(5) "query"
	+ }
	+ ["options"]=>
	+ object(stdClass)#%d (%d) {
	+ }
	+ ["readConcern"]=>
	+ NULL
	+ }
	+ ["command"]=>
	+ NULL
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(7) "primary"
	+ }
	+ ["session"]=>
	+ NULL
	+ ["isDead"]=>
	+ bool(true)
	+ ["currentIndex"]=>
	+ int(0)
	+ ["currentDocument"]=>
	+ NULL
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+}
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ ["database"]=>
	+ string(6) "phongo"
	+ ["collection"]=>
	+ string(26) "readPreference_bug0146_001"
	+ ["query"]=>
	+ object(MongoDB\Driver\Query)#%d (%d) {
	+ ["filter"]=>
	+ object(stdClass)#%d (%d) {
	+ ["my"]=>
	+ string(5) "query"
	+ }
	+ ["options"]=>
	+ object(stdClass)#%d (%d) {
	+ }
	+ ["readConcern"]=>
	+ NULL
	+ }
	+ ["command"]=>
	+ NULL
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(16) "primaryPreferred"
	+ }
	+ ["session"]=>
	+ NULL
	+ ["isDead"]=>
	+ bool(true)
	+ ["currentIndex"]=>
	+ int(0)
	+ ["currentDocument"]=>
	+ NULL
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+}
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ ["database"]=>
	+ string(6) "phongo"
	+ ["collection"]=>
	+ string(26) "readPreference_bug0146_001"
	+ ["query"]=>
	+ object(MongoDB\Driver\Query)#%d (%d) {
	+ ["filter"]=>
	+ object(stdClass)#%d (%d) {
	+ ["my"]=>
	+ string(5) "query"
	+ }
	+ ["options"]=>
	+ object(stdClass)#%d (%d) {
	+ }
	+ ["readConcern"]=>
	+ NULL
	+ }
	+ ["command"]=>
	+ NULL
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(9) "secondary"
	+ }
	+ ["session"]=>
	+ NULL
	+ ["isDead"]=>
	+ bool(true)
	+ ["currentIndex"]=>
	+ int(0)
	+ ["currentDocument"]=>
	+ NULL
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+}
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ ["database"]=>
	+ string(6) "phongo"
	+ ["collection"]=>
	+ string(26) "readPreference_bug0146_001"
	+ ["query"]=>
	+ object(MongoDB\Driver\Query)#%d (%d) {
	+ ["filter"]=>
	+ object(stdClass)#%d (%d) {
	+ ["my"]=>
	+ string(5) "query"
	+ }
	+ ["options"]=>
	+ object(stdClass)#%d (%d) {
	+ }
	+ ["readConcern"]=>
	+ NULL
	+ }
	+ ["command"]=>
	+ NULL
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(18) "secondaryPreferred"
	+ }
	+ ["session"]=>
	+ NULL
	+ ["isDead"]=>
	+ bool(true)
	+ ["currentIndex"]=>
	+ int(0)
	+ ["currentDocument"]=>
	+ NULL
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+}
	+object(MongoDB\Driver\Cursor)#%d (%d) {
	+ ["database"]=>
	+ string(6) "phongo"
	+ ["collection"]=>
	+ string(26) "readPreference_bug0146_001"
	+ ["query"]=>
	+ object(MongoDB\Driver\Query)#%d (%d) {
	+ ["filter"]=>
	+ object(stdClass)#%d (%d) {
	+ ["my"]=>
	+ string(5) "query"
	+ }
	+ ["options"]=>
	+ object(stdClass)#%d (%d) {
	+ }
	+ ["readConcern"]=>
	+ NULL
	+ }
	+ ["command"]=>
	+ NULL
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(7) "nearest"
	+ }
	+ ["session"]=>
	+ NULL
	+ ["isDead"]=>
	+ bool(true)
	+ ["currentIndex"]=>
	+ int(0)
	+ ["currentDocument"]=>
	+ NULL
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/readPreference/bug0851-001.phpt b/mongodb-1.13.0/tests/readPreference/bug0851-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/bug0851-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/bug0851-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/bug1598-001.phpt b/mongodb-1.13.0/tests/readPreference/bug1598-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/bug1598-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/bug1598-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/bug1598-002.phpt b/mongodb-1.13.0/tests/readPreference/bug1598-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/bug1598-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/bug1598-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/bug1698-001.phpt b/mongodb-1.13.0/tests/readPreference/bug1698-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/bug1698-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/bug1698-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-bsonserialize-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-bsonserialize-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-bsonserialize-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-bsonserialize-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-bsonserialize-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-bsonserialize-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-bsonserialize-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-bsonserialize-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-constants.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-constants.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-constants.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-constants.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-003.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-003.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-004.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-004.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-005.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-005.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-005.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-006.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-006.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-006.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-007.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-ctor_error-007.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-ctor_error-007.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-debug-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-debug-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getHedge-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getHedge-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getHedge-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getHedge-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getMaxStalenessMS-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getMaxStalenessMS-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getMaxStalenessMS-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getMaxStalenessMS-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getMaxStalenessMS-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getMaxStalenessMS-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getMaxStalenessMS-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getMaxStalenessMS-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getMode-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getMode-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getMode-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getMode-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getModeString-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getModeString-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getModeString-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getModeString-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getTagSets-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getTagSets-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getTagSets-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getTagSets-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-getTagSets-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-getTagSets-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-getTagSets-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-getTagSets-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-serialization-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-serialization-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-serialization-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-serialization-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-serialization-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-serialization-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-serialization-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-serialization-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-serialization_error-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-serialization_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-serialization_error-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-serialization_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-serialization_error-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-serialization_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-serialization_error-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-serialization_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-set_state-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-set_state-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-set_state-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-set_state-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-set_state_error-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-set_state_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-set_state_error-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-set_state_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-set_state_error-002.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-set_state_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-set_state_error-002.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-set_state_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference-var_export-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference-var_export-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference-var_export-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference-var_export-001.phpt
	diff --git a/mongodb-1.12.0/tests/readPreference/readpreference_error-001.phpt b/mongodb-1.13.0/tests/readPreference/readpreference_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/readPreference/readpreference_error-001.phpt
	rename to mongodb-1.13.0/tests/readPreference/readpreference_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/replicaset/bug0155.phpt b/mongodb-1.13.0/tests/replicaset/bug0155.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/replicaset/bug0155.phpt
	rename to mongodb-1.13.0/tests/replicaset/bug0155.phpt
	diff --git a/mongodb-1.13.0/tests/replicaset/bug0898-001.phpt b/mongodb-1.13.0/tests/replicaset/bug0898-001.phpt
	new file mode 100644
	index 00000000..ebda8f61
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/replicaset/bug0898-001.phpt
	@@ -0,0 +1,45 @@
	+--TEST--
	+PHPC-898: readConcern option should not be included in getMore commands (URI option)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+
	+$result = $manager->executeBulkWrite(NS, $bulk);
	+printf("Inserted %d document(s)\n", $result->getInsertedCount());
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+foreach ($cursor as $document) {
	+ var_dump($document);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Inserted 3 document(s)
	+object(stdClass)#%d (1) {
	+ ["_id"]=>
	+ int(1)
	+}
	+object(stdClass)#%d (1) {
	+ ["_id"]=>
	+ int(2)
	+}
	+object(stdClass)#%d (1) {
	+ ["_id"]=>
	+ int(3)
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/replicaset/bug0898-002.phpt b/mongodb-1.13.0/tests/replicaset/bug0898-002.phpt
	new file mode 100644
	index 00000000..d3505248
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/replicaset/bug0898-002.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+PHPC-898: readConcern option should not be included in getMore commands (query option)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1]);
	+$bulk->insert(['_id' => 2]);
	+$bulk->insert(['_id' => 3]);
	+
	+$result = $manager->executeBulkWrite(NS, $bulk);
	+printf("Inserted %d document(s)\n", $result->getInsertedCount());
	+
	+$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2, 'readConcern' => $rc]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+foreach ($cursor as $document) {
	+ var_dump($document);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Inserted 3 document(s)
	+object(stdClass)#%d (1) {
	+ ["_id"]=>
	+ int(1)
	+}
	+object(stdClass)#%d (1) {
	+ ["_id"]=>
	+ int(2)
	+}
	+object(stdClass)#%d (1) {
	+ ["_id"]=>
	+ int(3)
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/manager-selectserver-001.phpt b/mongodb-1.13.0/tests/replicaset/manager-selectserver-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/replicaset/manager-selectserver-001.phpt
	rename to mongodb-1.13.0/tests/replicaset/manager-selectserver-001.phpt
	diff --git a/mongodb-1.13.0/tests/replicaset/readconcern-001.phpt b/mongodb-1.13.0/tests/replicaset/readconcern-001.phpt
	new file mode 100644
	index 00000000..2c699d1e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/replicaset/readconcern-001.phpt
	@@ -0,0 +1,54 @@
	+--TEST--
	+ReadConcern: MongoDB\Driver\Manager::executeQuery() with readConcern option
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$wc = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['_id' => 1, 'x' => 1]);
	+$bulk->insert(['_id' => 2, 'x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk, $wc);
	+
	+$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);
	+$query = new MongoDB\Driver\Query(['x' => 2], ['readConcern' => $rc]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+var_dump(iterator_to_array($cursor));
	+
	+$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);
	+$query = new MongoDB\Driver\Query(['x' => 2], ['readConcern' => $rc]);
	+$cursor = $manager->executeQuery(NS, $query);
	+
	+var_dump(iterator_to_array($cursor));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+array(1) {
	+ [0]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(2)
	+ ["x"]=>
	+ int(2)
	+ }
	+}
	+array(1) {
	+ [0]=>
	+ object(stdClass)#%d (%d) {
	+ ["_id"]=>
	+ int(2)
	+ ["x"]=>
	+ int(2)
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/replicaset/writeconcernerror-001.phpt b/mongodb-1.13.0/tests/replicaset/writeconcernerror-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/replicaset/writeconcernerror-001.phpt
	rename to mongodb-1.13.0/tests/replicaset/writeconcernerror-001.phpt
	diff --git a/mongodb-1.12.0/tests/replicaset/writeconcernerror-002.phpt b/mongodb-1.13.0/tests/replicaset/writeconcernerror-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/replicaset/writeconcernerror-002.phpt
	rename to mongodb-1.13.0/tests/replicaset/writeconcernerror-002.phpt
	diff --git a/mongodb-1.12.0/tests/replicaset/writeresult-getserver-001.phpt b/mongodb-1.13.0/tests/replicaset/writeresult-getserver-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/replicaset/writeresult-getserver-001.phpt
	rename to mongodb-1.13.0/tests/replicaset/writeresult-getserver-001.phpt
	diff --git a/mongodb-1.13.0/tests/replicaset/writeresult-getserver-002.phpt b/mongodb-1.13.0/tests/replicaset/writeresult-getserver-002.phpt
	new file mode 100644
	index 00000000..5ffdc322
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/replicaset/writeresult-getserver-002.phpt
	@@ -0,0 +1,98 @@
	+--TEST--
	+MongoDB\Driver\Server: Manager->getServer() returning correct server
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_clean(); ?>
	+<?php skip_if_not_clean('local', COLLECTION_NAME); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+// Disable retryWrites since the test writes to the unreplicated "local" database
	+// Explicitly use w:1 to work around MongoDB 5.0 applying w:majority (SERVER-61790)
	+$manager = create_test_manager(URI, ['retryWrites' => false, 'w' => 1]);
	+
	+$doc = array("example" => "document");
	+$bulk = new \MongoDB\Driver\BulkWrite();
	+$bulk->insert($doc);
	+$wresult = $manager->executeBulkWrite(NS, $bulk);
	+
	+$bulk = new \MongoDB\Driver\BulkWrite();
	+$bulk->insert($doc);
	+
	+/* writes go to the primary */
	+$server = $wresult->getServer();
	+/* This is the same server */
	+$server2 = $server->executeBulkWrite(NS, $bulk)->getServer();
	+
	+/* Both are the primary, e.g. the same server */
	+var_dump($server == $server2);
	+
	+
	+$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	+/* Fetch a secondary */
	+$server3 = $manager->executeQuery(NS, new MongoDB\Driver\Query(array()), $rp)->getServer();
	+
	+var_dump($server == $server3);
	+var_dump($server->getPort(), $server3->getPort());
	+
	+
	+$bulk = new \MongoDB\Driver\BulkWrite();
	+$bulk->insert($doc);
	+
	+$result = $server3->executeBulkWrite('local.' . COLLECTION_NAME, $bulk);
	+var_dump($result, $result->getServer()->getHost(), $result->getServer()->getPort());
	+$result = $server3->executeQuery('local.' . COLLECTION_NAME, new MongoDB\Driver\Query(array()));
	+foreach($result as $document) {
	+ var_dump($document);
	+}
	+$cmd = new MongoDB\Driver\Command(['drop' => COLLECTION_NAME]);
	+$server3->executeCommand("local", $cmd);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+bool(true)
	+bool(false)
	+int(%d)
	+int(%d)
	+object(MongoDB\Driver\WriteResult)#%d (%d) {
	+ ["nInserted"]=>
	+ int(1)
	+ ["nMatched"]=>
	+ int(0)
	+ ["nModified"]=>
	+ int(0)
	+ ["nRemoved"]=>
	+ int(0)
	+ ["nUpserted"]=>
	+ int(0)
	+ ["upsertedIds"]=>
	+ array(0) {
	+ }
	+ ["writeErrors"]=>
	+ array(0) {
	+ }
	+ ["writeConcernError"]=>
	+ NULL
	+ ["writeConcern"]=>
	+ object(MongoDB\Driver\WriteConcern)#%d (%d) {
	+ ["w"]=>
	+ int(1)
	+ }
	+}
	+string(%d) "%s"
	+int(%d)
	+object(stdClass)#%d (2) {
	+ ["_id"]=>
	+ object(%s\ObjectId)#%d (1) {
	+ ["oid"]=>
	+ string(24) "%s"
	+ }
	+ ["example"]=>
	+ string(8) "document"
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/retryable-reads/retryable-reads-001.phpt b/mongodb-1.13.0/tests/retryable-reads/retryable-reads-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/retryable-reads/retryable-reads-001.phpt
	rename to mongodb-1.13.0/tests/retryable-reads/retryable-reads-001.phpt
	diff --git a/mongodb-1.12.0/tests/retryable-reads/retryable-reads-002.phpt b/mongodb-1.13.0/tests/retryable-reads/retryable-reads-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/retryable-reads/retryable-reads-002.phpt
	rename to mongodb-1.13.0/tests/retryable-reads/retryable-reads-002.phpt
	diff --git a/mongodb-1.12.0/tests/retryable-reads/retryable-reads_error-001.phpt b/mongodb-1.13.0/tests/retryable-reads/retryable-reads_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/retryable-reads/retryable-reads_error-001.phpt
	rename to mongodb-1.13.0/tests/retryable-reads/retryable-reads_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/retryable-reads/retryable-reads_error-002.phpt b/mongodb-1.13.0/tests/retryable-reads/retryable-reads_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/retryable-reads/retryable-reads_error-002.phpt
	rename to mongodb-1.13.0/tests/retryable-reads/retryable-reads_error-002.phpt
	diff --git a/mongodb-1.13.0/tests/retryable-writes/retryable-writes-001.phpt b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-001.phpt
	new file mode 100644
	index 00000000..edb0d95d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-001.phpt
	@@ -0,0 +1,84 @@
	+--TEST--
	+Retryable writes: supported single-statement operations include transaction IDs
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	+
	+ printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$observer = new TransactionIdObserver;
	+MongoDB\Driver\Monitoring\addSubscriber($observer);
	+
	+$manager = create_test_manager();
	+
	+echo "Testing deleteOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->delete(['x' => 1], ['limit' => 1]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting insertOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting replaceOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->update(['x' => 1], ['x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting updateOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting findAndModify\n";
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['x' => 1],
	+ 'update' => ['$inc' => ['x' => 1]],
	+]);
	+$manager->executeReadWriteCommand(DATABASE_NAME, $command);
	+
	+MongoDB\Driver\Monitoring\removeSubscriber($observer);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing deleteOne
	+delete command includes transaction ID: yes
	+
	+Testing insertOne
	+insert command includes transaction ID: yes
	+
	+Testing replaceOne
	+update command includes transaction ID: yes
	+
	+Testing updateOne
	+update command includes transaction ID: yes
	+
	+Testing findAndModify
	+findAndModify command includes transaction ID: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/retryable-writes/retryable-writes-002.phpt b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-002.phpt
	new file mode 100644
	index 00000000..8ac1d21d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-002.phpt
	@@ -0,0 +1,85 @@
	+--TEST--
	+Retryable writes: supported multi-statement operations include transaction IDs
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	+
	+ printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$observer = new TransactionIdObserver;
	+MongoDB\Driver\Monitoring\addSubscriber($observer);
	+
	+$manager = create_test_manager();
	+
	+echo "Testing multi-statement bulk write (ordered=true)\n";
	+$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
	+$bulk->delete(['x' => 1], ['limit' => 1]);
	+$bulk->insert(['x' => 1]);
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	+$bulk->update(['x' => 1], ['x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting multi-statement bulk write (ordered=false)\n";
	+$bulk = new MongoDB\Driver\BulkWrite(['ordered' => false]);
	+$bulk->delete(['x' => 1], ['limit' => 1]);
	+$bulk->insert(['x' => 1]);
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	+$bulk->update(['x' => 1], ['x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting insertMany (ordered=true)\n";
	+$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting insertMany (ordered=false)\n";
	+$bulk = new MongoDB\Driver\BulkWrite(['ordered' => false]);
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+MongoDB\Driver\Monitoring\removeSubscriber($observer);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing multi-statement bulk write (ordered=true)
	+delete command includes transaction ID: yes
	+insert command includes transaction ID: yes
	+update command includes transaction ID: yes
	+
	+Testing multi-statement bulk write (ordered=false)
	+delete command includes transaction ID: yes
	+insert command includes transaction ID: yes
	+update command includes transaction ID: yes
	+
	+Testing insertMany (ordered=true)
	+insert command includes transaction ID: yes
	+
	+Testing insertMany (ordered=false)
	+insert command includes transaction ID: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/retryable-writes/retryable-writes-003.phpt b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-003.phpt
	new file mode 100644
	index 00000000..f8d5fc7a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-003.phpt
	@@ -0,0 +1,99 @@
	+--TEST--
	+Retryable writes: unsupported operations do not include transaction IDs
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	+
	+ printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$observer = new TransactionIdObserver;
	+MongoDB\Driver\Monitoring\addSubscriber($observer);
	+
	+$manager = create_test_manager();
	+
	+echo "Testing deleteMany\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->delete(['x' => 1], ['limit' => 0]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting updateMany\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]], ['multi' => true]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting multi-statement bulk write with one unsupported operation (ordered=true)\n";
	+$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
	+$bulk->delete(['x' => 1], ['limit' => 1]);
	+$bulk->insert(['x' => 1]);
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	+$bulk->update(['x' => 1], ['x' => 2]);
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]], ['multi' => true]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting multi-statement bulk write with one unsupported operation (ordered=false)\n";
	+$bulk = new MongoDB\Driver\BulkWrite(['ordered' => false]);
	+$bulk->delete(['x' => 1], ['limit' => 1]);
	+$bulk->insert(['x' => 1]);
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	+$bulk->update(['x' => 1], ['x' => 2]);
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]], ['multi' => true]);
	+$manager->executeBulkWrite(NS, $bulk);
	+
	+echo "\nTesting aggregate\n";
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$match' => ['x' => 1]],
	+ ['$out' => COLLECTION_NAME . '.out'],
	+ ],
	+ 'cursor' => new stdClass,
	+]);
	+$manager->executeReadWriteCommand(DATABASE_NAME, $command);
	+
	+MongoDB\Driver\Monitoring\removeSubscriber($observer);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing deleteMany
	+delete command includes transaction ID: no
	+
	+Testing updateMany
	+update command includes transaction ID: no
	+
	+Testing multi-statement bulk write with one unsupported operation (ordered=true)
	+delete command includes transaction ID: yes
	+insert command includes transaction ID: yes
	+update command includes transaction ID: no
	+
	+Testing multi-statement bulk write with one unsupported operation (ordered=false)
	+delete command includes transaction ID: yes
	+insert command includes transaction ID: yes
	+update command includes transaction ID: no
	+
	+Testing aggregate
	+aggregate command includes transaction ID: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/retryable-writes/retryable-writes-004.phpt b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-004.phpt
	new file mode 100644
	index 00000000..295ca8ec
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-004.phpt
	@@ -0,0 +1,88 @@
	+--TEST--
	+Retryable writes: unacknowledged write operations do not include transaction IDs
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	+
	+ printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$observer = new TransactionIdObserver;
	+MongoDB\Driver\Monitoring\addSubscriber($observer);
	+
	+$manager = create_test_manager();
	+$writeConcern = new MongoDB\Driver\WriteConcern(0);
	+
	+echo "Testing unacknowledged deleteOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->delete(['x' => 1], ['limit' => 1]);
	+$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	+
	+echo "\nTesting unacknowledged insertOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	+
	+echo "\nTesting unacknowledged replaceOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->update(['x' => 1], ['x' => 2]);
	+$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	+
	+echo "\nTesting unacknowledged updateOne\n";
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->update(['x' => 1], ['$inc' => ['x' => 1]]);
	+$manager->executeBulkWrite(NS, $bulk, ['writeConcern' => $writeConcern]);
	+
	+/* Note: the server does not actually support unacknowledged write concerns for
	+ * findAndModify. This is just testing that mongoc_cmd_parts_set_write_concern()
	+ * in libmongoc detects w:0 and refrains from adding a transaction ID. */
	+echo "\nTesting unacknowledged findAndModify\n";
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['x' => 1],
	+ 'update' => ['$inc' => ['x' => 1]],
	+]);
	+$manager->executeReadWriteCommand(DATABASE_NAME, $command, ['writeConcern' => $writeConcern]);
	+
	+MongoDB\Driver\Monitoring\removeSubscriber($observer);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing unacknowledged deleteOne
	+delete command includes transaction ID: no
	+
	+Testing unacknowledged insertOne
	+insert command includes transaction ID: no
	+
	+Testing unacknowledged replaceOne
	+update command includes transaction ID: no
	+
	+Testing unacknowledged updateOne
	+update command includes transaction ID: no
	+
	+Testing unacknowledged findAndModify
	+findAndModify command includes transaction ID: no
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/retryable-writes/retryable-writes-005.phpt b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-005.phpt
	new file mode 100644
	index 00000000..7bda7ab5
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/retryable-writes/retryable-writes-005.phpt
	@@ -0,0 +1,70 @@
	+--TEST--
	+Retryable writes: non-write command methods do not include transaction IDs
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TransactionIdObserver implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasTransactionId = isset($command->lsid) && isset($command->txnNumber);
	+
	+ printf("%s command includes transaction ID: %s\n", $event->getCommandName(), $hasTransactionId ? 'yes' : 'no');
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$observer = new TransactionIdObserver;
	+MongoDB\Driver\Monitoring\addSubscriber($observer);
	+
	+$manager = create_test_manager();
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['x' => 1],
	+ 'update' => ['$inc' => ['x' => 1]],
	+]);
	+
	+echo "Testing Manager::executeCommand()\n";
	+$manager->executeCommand(DATABASE_NAME, $command);
	+
	+echo "\nTesting Manager::executeReadCommand()\n";
	+$manager->executeReadCommand(DATABASE_NAME, $command);
	+
	+echo "\nTesting Manager::executeReadWriteCommand()\n";
	+$manager->executeReadWriteCommand(DATABASE_NAME, $command);
	+
	+echo "\nTesting Manager::executeWriteCommand()\n";
	+$manager->executeWriteCommand(DATABASE_NAME, $command);
	+
	+MongoDB\Driver\Monitoring\removeSubscriber($observer);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing Manager::executeCommand()
	+findAndModify command includes transaction ID: no
	+
	+Testing Manager::executeReadCommand()
	+findAndModify command includes transaction ID: no
	+
	+Testing Manager::executeReadWriteCommand()
	+findAndModify command includes transaction ID: yes
	+
	+Testing Manager::executeWriteCommand()
	+findAndModify command includes transaction ID: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/retryable-writes/retryable-writes_error-001.phpt b/mongodb-1.13.0/tests/retryable-writes/retryable-writes_error-001.phpt
	new file mode 100644
	index 00000000..210dd12f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/retryable-writes/retryable-writes_error-001.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+Retryable writes: actionable error message when using retryable writes on unsupported storage engines
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_server_storage_engine('mmapv1'); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo throws(
	+ function() use ($manager, $session) {
	+ $command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['x' => 1],
	+ 'update' => ['$inc' => ['x' => 1]],
	+ ]);
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ },
	+ \MongoDB\Driver\Exception\CommandException::class
	+);
	+echo "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\CommandException
	+This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/bug0671-002.phpt b/mongodb-1.13.0/tests/server/bug0671-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/bug0671-002.phpt
	rename to mongodb-1.13.0/tests/server/bug0671-002.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-constants.phpt b/mongodb-1.13.0/tests/server/server-constants.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-constants.phpt
	rename to mongodb-1.13.0/tests/server/server-constants.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-construct-001.phpt b/mongodb-1.13.0/tests/server/server-construct-001.phpt
	new file mode 100644
	index 00000000..5c726c67
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-construct-001.phpt
	@@ -0,0 +1,33 @@
	+--TEST--
	+MongoDB\Driver\Server::__construct()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_multiple_mongos(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+/* For replica sets we need to do some extra work to get the primary */
	+$uri = is_replica_set(URI) ? get_primary_server(URI)->getInfo()['me'] : URI;
	+$parsed = parse_url($uri);
	+
	+$manager = create_test_manager();
	+
	+$bulk = new \MongoDB\Driver\BulkWrite();
	+$bulk->insert(array('foo' => 'bar'));
	+$server = $manager->executeBulkWrite(NS, $bulk)->getServer();
	+
	+$expectedHost = $parsed['host'];
	+$expectedPort = (integer) (isset($parsed['port']) ? $parsed['port'] : 27017);
	+
	+var_dump($server->getHost() == $expectedHost);
	+var_dump($server->getPort() == $expectedPort);
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+bool(true)
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-debug.phpt b/mongodb-1.13.0/tests/server/server-debug.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-debug.phpt
	rename to mongodb-1.13.0/tests/server/server-debug.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-errors.phpt b/mongodb-1.13.0/tests/server/server-errors.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-errors.phpt
	rename to mongodb-1.13.0/tests/server/server-errors.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-001.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-002.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-002.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-002.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-003.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-003.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-003.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-004.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-004.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-004.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-005.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-005.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-005.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-006.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-006.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-006.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-006.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-007.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-007.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-007.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-008.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-008.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-008.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite-009.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite-009.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite-009.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite_error-001.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeBulkWrite_error-002.phpt b/mongodb-1.13.0/tests/server/server-executeBulkWrite_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeBulkWrite_error-002.phpt
	rename to mongodb-1.13.0/tests/server/server-executeBulkWrite_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-001.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand-001.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeCommand-002.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-002.phpt
	new file mode 100644
	index 00000000..ae444c29
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeCommand-002.phpt
	@@ -0,0 +1,75 @@
	+--TEST--
	+MongoDB\Driver\Server::executeCommand() takes a read preference
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_clean(DATABASE_NAME, 'system.profile'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	+$secondary = $manager->selectServer($rp);
	+
	+$command = new MongoDB\Driver\Command(array('profile' => 2));
	+$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	+$result = current($cursor->toArray());
	+
	+printf("Set profile level to 2 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [ [ '$match' => [ 'x' => 1 ] ] ],
	+ 'cursor' => (object) [],
	+]);
	+$secondary->executeCommand(DATABASE_NAME, $command, $rp);
	+
	+$query = new MongoDB\Driver\Query(
	+ array(
	+ 'op' => 'command',
	+ 'ns' => DATABASE_NAME . '.' . COLLECTION_NAME,
	+ ),
	+ array(
	+ 'sort' => array('ts' => -1),
	+ 'limit' => 1,
	+ )
	+);
	+$cursor = $secondary->executeQuery(DATABASE_NAME . '.system.profile', $query, $rp);
	+$profileEntry = current($cursor->toArray());
	+
	+var_dump($profileEntry->command);
	+
	+$command = new MongoDB\Driver\Command(array('profile' => 0));
	+$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	+$result = current($cursor->toArray());
	+
	+printf("Set profile level to 0 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Set profile level to 2 successfully: yes
	+object(stdClass)#%d (%d) {
	+ ["aggregate"]=>
	+ string(32) "server_server_executeCommand_002"
	+ ["pipeline"]=>
	+ array(1) {
	+ [0]=>
	+ object(stdClass)#%d (%d) {
	+ ["$match"]=>
	+ object(stdClass)#%d (%d) {
	+ ["x"]=>
	+ int(1)
	+ }
	+ }
	+ }
	+ ["cursor"]=>
	+ object(stdClass)#%d (%d) {
	+ }%A
	+}
	+Set profile level to 0 successfully: yes
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-003.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand-003.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand-003.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-004.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand-004.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand-004.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-005.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand-005.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand-005.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeCommand-006.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-006.phpt
	new file mode 100644
	index 00000000..afed4e4f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeCommand-006.phpt
	@@ -0,0 +1,50 @@
	+--TEST--
	+MongoDB\Driver\Server::executeCommand() options (MONGO_CMD_RAW)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_standalone(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	+
	+(new CommandObserver)->observe(
	+ function() use ($server) {
	+ $command = new MongoDB\Driver\Command([
	+ 'ping' => true,
	+ ]);
	+
	+ try {
	+ $server->executeCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ } catch ( Exception $e ) {
	+ // Ignore exception that ping doesn't support writeConcern
	+ }
	+ },
	+ function(stdClass $command) {
	+ echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Read Preference: secondary
	+Read Concern: local
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-007.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand-007.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand-007.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeCommand-008.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-008.phpt
	new file mode 100644
	index 00000000..b72c9961
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeCommand-008.phpt
	@@ -0,0 +1,50 @@
	+--TEST--
	+MongoDB\Driver\Server::executeCommand() does not send read preference to standalone
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_standalone(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	+
	+(new CommandObserver)->observe(
	+ function() use ($server) {
	+ $command = new MongoDB\Driver\Command([
	+ 'ping' => true,
	+ ]);
	+
	+ try {
	+ $server->executeCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ } catch ( Exception $e ) {
	+ // Ignore exception that ping doesn't support writeConcern
	+ }
	+ },
	+ function(stdClass $command) {
	+ echo isset($command->{'$readPreference'}) ? 'Read preference set' : 'No read preference set', "\n";
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+No read preference set
	+Read Concern: local
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand-009.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand-009.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand-009.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeCommand-010.phpt b/mongodb-1.13.0/tests/server/server-executeCommand-010.phpt
	new file mode 100644
	index 00000000..f0b4a72d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeCommand-010.phpt
	@@ -0,0 +1,47 @@
	+--TEST--
	+MongoDB\Driver\Server::executeCommand() does not inherit read or write concern
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$group' => ['_id' => 1]],
	+ ['$out' => COLLECTION_NAME . '.out'],
	+ ],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($server, $command) {
	+ $server->executeCommand(DATABASE_NAME, $command);
	+ $server->executeCommand(DATABASE_NAME, $command, [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	+ ]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern ?? null), "\n";
	+ echo json_encode($command->writeConcern ?? null), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+null
	+null
	+{"level":"available"}
	+{"w":1}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeCommand_error-001.phpt b/mongodb-1.13.0/tests/server/server-executeCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeCommand_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-001.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-002.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-002.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-002.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-003.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-003.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-003.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-004.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-004.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-004.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeQuery-006.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-006.phpt
	new file mode 100644
	index 00000000..73ebfa8a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeQuery-006.phpt
	@@ -0,0 +1,65 @@
	+--TEST--
	+MongoDB\Driver\Server::executeQuery() takes a read preference
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_clean(DATABASE_NAME, 'system.profile'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
	+$secondary = $manager->selectServer($rp);
	+
	+$command = new MongoDB\Driver\Command(array('profile' => 2));
	+$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	+$result = current($cursor->toArray());
	+
	+printf("Set profile level to 2 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	+
	+if (empty($result->ok)) {
	+ exit("Could not set profile level\n");
	+}
	+
	+$secondary->executeQuery(NS, new MongoDB\Driver\Query(array("x" => 1)), $rp);
	+
	+$query = new MongoDB\Driver\Query(
	+ array(
	+ 'op' => 'query',
	+ 'ns' => NS,
	+ ),
	+ array(
	+ 'sort' => array('ts' => -1),
	+ 'limit' => 1,
	+ )
	+);
	+$cursor = $secondary->executeQuery(DATABASE_NAME . '.system.profile', $query, $rp);
	+$profileEntry = current($cursor->toArray());
	+
	+if (! isset( $profileEntry->command )) {
	+ var_dump($profileEntry);
	+}
	+var_dump($profileEntry->command->find);
	+var_dump($profileEntry->command->filter);
	+
	+$command = new MongoDB\Driver\Command(array('profile' => 0));
	+$cursor = $secondary->executeCommand(DATABASE_NAME, $command);
	+$result = current($cursor->toArray());
	+
	+printf("Set profile level to 0 successfully: %s\n", (empty($result->ok) ? 'no' : 'yes'));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Set profile level to 2 successfully: yes
	+string(%d) "%s"
	+object(stdClass)#%d (1) {
	+ ["x"]=>
	+ int(1)
	+}
	+Set profile level to 0 successfully: yes
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-007.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-007.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-007.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-007.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-008.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-008.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-008.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-008.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-009.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-009.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-009.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-009.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-010.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-010.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-010.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-010.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery-011.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-011.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery-011.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery-011.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeQuery-012.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-012.phpt
	new file mode 100644
	index 00000000..f67a0633
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeQuery-012.phpt
	@@ -0,0 +1,70 @@
	+--TEST--
	+MongoDB\Driver\Server::executeQuery() pins transaction to server
	+--XFAIL--
	+_mongoc_cursor_fetch_stream segfault (CDRIVER-4290)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_mongos(); ?>
	+<?php skip_if_no_transactions(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+/* Create collections as that can't be (automatically) done in a transaction */
	+$manager->executeCommand(
	+ DATABASE_NAME,
	+ new \MongoDB\Driver\Command([ 'create' => COLLECTION_NAME ]),
	+ [ 'writeConcern' => new \MongoDB\Driver\WriteConcern( \MongoDB\Driver\WriteConcern::MAJORITY ) ]
	+);
	+
	+$servers = $manager->getServers();
	+$selectedServer = array_pop($servers);
	+$wrongServer = array_pop($servers);
	+var_dump($selectedServer != $wrongServer);
	+
	+$session = $manager->startSession();
	+var_dump($session->getServer() instanceof \MongoDB\Driver\Server);
	+
	+$session->startTransaction();
	+var_dump($session->getServer() instanceof \MongoDB\Driver\Server);
	+
	+$query = new MongoDB\Driver\Query([]);
	+$selectedServer->executeQuery(NS, $query, ['session' => $session]);
	+
	+var_dump($session->getServer() == $selectedServer);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$selectedServer->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+echo throws(function () use ($wrongServer, $session) {
	+ $query = new MongoDB\Driver\Query([]);
	+ $wrongServer->executeQuery(NS, $query, ['session' => $session]);
	+}, \MongoDB\Driver\Exception\RuntimeException::class), "\n";
	+
	+$session->commitTransaction();
	+
	+var_dump($session->getServer() == $selectedServer);
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$selectedServer->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+var_dump($session->getServer() instanceof \MongoDB\Driver\Server);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+bool(false)
	+bool(false)
	+bool(true)
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Requested server id does not matched pinned server id
	+bool(true)
	+bool(false)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/server/server-executeQuery-013.phpt b/mongodb-1.13.0/tests/server/server-executeQuery-013.phpt
	new file mode 100644
	index 00000000..5b593e6e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeQuery-013.phpt
	@@ -0,0 +1,33 @@
	+--TEST--
	+MongoDB\Driver\Server::executeQuery() read concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+(new CommandObserver)->observe(
	+ function() use ($server) {
	+ $server->executeQuery(NS, new MongoDB\Driver\Query([]));
	+ $server->executeQuery(NS, new MongoDB\Driver\Query([], [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ ]));
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"level":"local"}
	+{"level":"available"}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeQuery_error-001.phpt b/mongodb-1.13.0/tests/server/server-executeQuery_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeQuery_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeQuery_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeReadCommand-001.phpt b/mongodb-1.13.0/tests/server/server-executeReadCommand-001.phpt
	new file mode 100644
	index 00000000..b673e391
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeReadCommand-001.phpt
	@@ -0,0 +1,47 @@
	+--TEST--
	+MongoDB\Driver\Server::executeReadCommand()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_secondary(); ?>
	+<?php skip_if_not_server_storage_engine('wiredTiger'); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY));
	+
	+(new CommandObserver)->observe(
	+ function() use ($server) {
	+ $command = new MongoDB\Driver\Command( [
	+ 'aggregate' => NS,
	+ 'pipeline' => [],
	+ 'cursor' => new stdClass(),
	+ ] );
	+ $server->executeReadCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference(\MongoDB\Driver\ReadPreference::RP_SECONDARY),
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::MAJORITY),
	+ ]
	+ );
	+ },
	+ function(stdClass $command) {
	+ echo "Read Preference: ", $command->{'$readPreference'}->mode, "\n";
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ }
	+);
	+
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Read Preference: secondary
	+Read Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadCommand-002.phpt b/mongodb-1.13.0/tests/server/server-executeReadCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeReadCommand-002.phpt
	rename to mongodb-1.13.0/tests/server/server-executeReadCommand-002.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeReadCommand-003.phpt b/mongodb-1.13.0/tests/server/server-executeReadCommand-003.phpt
	new file mode 100644
	index 00000000..fdf79a31
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeReadCommand-003.phpt
	@@ -0,0 +1,39 @@
	+--TEST--
	+MongoDB\Driver\Server::executeReadCommand() read concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local']);
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [['$group' => ['_id' => 1]]],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($server, $command) {
	+ $server->executeReadCommand(DATABASE_NAME, $command);
	+ $server->executeReadCommand(DATABASE_NAME, $command, [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ ]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"level":"local"}
	+{"level":"available"}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadCommand_error-001.phpt b/mongodb-1.13.0/tests/server/server-executeReadCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeReadCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeReadCommand_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-001.phpt b/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-001.phpt
	new file mode 100644
	index 00000000..9b3b6a96
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-001.phpt
	@@ -0,0 +1,42 @@
	+--TEST--
	+MongoDB\Driver\Server::executeReadWriteCommand()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	+
	+(new CommandObserver)->observe(
	+ function() use ($server) {
	+ $command = new MongoDB\Driver\Command( [
	+ 'findAndModify' => NS,
	+ 'update' => [ '$set' => [ 'foo' => 'bar' ] ],
	+ ] );
	+ $server->executeReadWriteCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern(\MongoDB\Driver\ReadConcern::LOCAL),
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ },
	+ function(stdClass $command) {
	+ echo "Read Concern: ", $command->readConcern->level, "\n";
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Read Concern: local
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadWriteCommand-002.phpt b/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeReadWriteCommand-002.phpt
	rename to mongodb-1.13.0/tests/server/server-executeReadWriteCommand-002.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-003.phpt b/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-003.phpt
	new file mode 100644
	index 00000000..a750b368
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeReadWriteCommand-003.phpt
	@@ -0,0 +1,47 @@
	+--TEST--
	+MongoDB\Driver\Server::executeReadWriteCommand() read and write concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['readConcernLevel' => 'local', 'w' => 2, 'wtimeoutms' => 1000]);
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+$command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [
	+ ['$group' => ['_id' => 1]],
	+ ['$out' => COLLECTION_NAME . '.out'],
	+ ],
	+ 'cursor' => (object) [],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($server, $command) {
	+ $server->executeReadWriteCommand(DATABASE_NAME, $command);
	+ $server->executeReadWriteCommand(DATABASE_NAME, $command, [
	+ 'readConcern' => new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::AVAILABLE),
	+ 'writeConcern' => new MongoDB\Driver\WriteConcern(1),
	+ ]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->readConcern), "\n";
	+ echo json_encode($command->writeConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"level":"local"}
	+{"w":2,"wtimeout":1000}
	+{"level":"available"}
	+{"w":1}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeReadWriteCommand_error-001.phpt b/mongodb-1.13.0/tests/server/server-executeReadWriteCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeReadWriteCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeReadWriteCommand_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeWriteCommand-001.phpt b/mongodb-1.13.0/tests/server/server-executeWriteCommand-001.phpt
	new file mode 100644
	index 00000000..44c34e54
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeWriteCommand-001.phpt
	@@ -0,0 +1,42 @@
	+--TEST--
	+MongoDB\Driver\Server::executeWriteCommand()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY));
	+
	+$bw = new MongoDB\Driver\BulkWrite();
	+$bw->insert(['a' => 1]);
	+$manager->executeBulkWrite(NS, $bw);
	+
	+(new CommandObserver)->observe(
	+ function() use ($server) {
	+ $command = new MongoDB\Driver\Command([
	+ 'drop' => COLLECTION_NAME,
	+ ]);
	+ $server->executeWriteCommand(
	+ DATABASE_NAME,
	+ $command,
	+ [
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY),
	+ ]
	+ );
	+ },
	+ function(stdClass $command) {
	+ echo "Write Concern: ", $command->writeConcern->w, "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Write Concern: majority
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeWriteCommand-002.phpt b/mongodb-1.13.0/tests/server/server-executeWriteCommand-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeWriteCommand-002.phpt
	rename to mongodb-1.13.0/tests/server/server-executeWriteCommand-002.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-executeWriteCommand-003.phpt b/mongodb-1.13.0/tests/server/server-executeWriteCommand-003.phpt
	new file mode 100644
	index 00000000..21b63173
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-executeWriteCommand-003.phpt
	@@ -0,0 +1,40 @@
	+--TEST--
	+MongoDB\Driver\Server::executeWriteCommand() write concern inheritance
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_enough_data_nodes(2); /* w:2 */ ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+require_once __DIR__ . "/../utils/observer.php";
	+
	+$manager = create_test_manager(URI, ['w' => 2, 'wtimeoutms' => 1000]);
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+$command = new MongoDB\Driver\Command([
	+ 'findAndModify' => COLLECTION_NAME,
	+ 'query' => ['x' => 1],
	+ 'upsert' => true,
	+ 'new' => true,
	+ 'update' => ['$inc' => ['x' => 1]],
	+]);
	+
	+(new CommandObserver)->observe(
	+ function() use ($server, $command) {
	+ $server->executeWriteCommand(DATABASE_NAME, $command);
	+ $server->executeWriteCommand(DATABASE_NAME, $command, ['writeConcern' => new MongoDB\Driver\WriteConcern(1)]);
	+ },
	+ function(stdClass $command) {
	+ echo json_encode($command->writeConcern), "\n";
	+ }
	+);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+{"w":2,"wtimeout":1000}
	+{"w":1}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-executeWriteCommand_error-001.phpt b/mongodb-1.13.0/tests/server/server-executeWriteCommand_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-executeWriteCommand_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server-executeWriteCommand_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-getInfo-001.phpt b/mongodb-1.13.0/tests/server/server-getInfo-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-getInfo-001.phpt
	rename to mongodb-1.13.0/tests/server/server-getInfo-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-getLatency-001.phpt b/mongodb-1.13.0/tests/server/server-getLatency-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-getLatency-001.phpt
	rename to mongodb-1.13.0/tests/server/server-getLatency-001.phpt
	diff --git a/mongodb-1.13.0/tests/server/server-getLatency-002.phpt b/mongodb-1.13.0/tests/server/server-getLatency-002.phpt
	new file mode 100644
	index 00000000..5530c0b3
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-getLatency-002.phpt
	@@ -0,0 +1,19 @@
	+--TEST--
	+MongoDB\Driver\Server::getLatency() returns null when unset (e.g. load balancer)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_load_balanced(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+var_dump($server->getLatency());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+NULL
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/server/server-getServerDescription-001.phpt b/mongodb-1.13.0/tests/server/server-getServerDescription-001.phpt
	new file mode 100644
	index 00000000..392555df
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/server/server-getServerDescription-001.phpt
	@@ -0,0 +1,19 @@
	+--TEST--
	+MongoDB\Driver\Server::getServerDescription()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+var_dump($server->getServerDescription() instanceof MongoDB\Driver\ServerDescription);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/server/server-getTags-001.phpt b/mongodb-1.13.0/tests/server/server-getTags-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-getTags-001.phpt
	rename to mongodb-1.13.0/tests/server/server-getTags-001.phpt
	diff --git a/mongodb-1.12.0/tests/server/server-getTags-002.phpt b/mongodb-1.13.0/tests/server/server-getTags-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server-getTags-002.phpt
	rename to mongodb-1.13.0/tests/server/server-getTags-002.phpt
	diff --git a/mongodb-1.12.0/tests/server/server_error-001.phpt b/mongodb-1.13.0/tests/server/server_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/server/server_error-001.phpt
	rename to mongodb-1.13.0/tests/server/server_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-bsonserialize-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-bsonserialize-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-bsonserialize-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-bsonserialize-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-bsonserialize-002.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-bsonserialize-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-bsonserialize-002.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-bsonserialize-002.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-construct-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-construct-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-construct-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-construct-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-debug.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-debug.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-debug.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-debug.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-serialization-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-serialization-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-serialization-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-serialization-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-serialization-002.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-serialization-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-serialization-002.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-serialization-002.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-serialization_error-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-serialization_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-serialization_error-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-serialization_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-serialization_error-002.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-serialization_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-serialization_error-002.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-serialization_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-set_state-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-set_state-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-set_state-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-set_state-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-set_state_error-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-set_state_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-set_state_error-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-set_state_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/serverApi/serverApi-var_export-001.phpt b/mongodb-1.13.0/tests/serverApi/serverApi-var_export-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/serverApi/serverApi-var_export-001.phpt
	rename to mongodb-1.13.0/tests/serverApi/serverApi-var_export-001.phpt
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-constants.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-constants.phpt
	new file mode 100644
	index 00000000..1d0e8162
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-constants.phpt
	@@ -0,0 +1,31 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription constants
	+--FILE--
	+<?php
	+
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_UNKNOWN);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_STANDALONE);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_MONGOS);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_POSSIBLE_PRIMARY);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_RS_PRIMARY);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_RS_SECONDARY);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_RS_ARBITER);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_RS_OTHER);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_RS_GHOST);
	+var_dump(MongoDB\Driver\ServerDescription::TYPE_LOAD_BALANCER);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+string(7) "Unknown"
	+string(10) "Standalone"
	+string(6) "Mongos"
	+string(15) "PossiblePrimary"
	+string(9) "RSPrimary"
	+string(11) "RSSecondary"
	+string(9) "RSArbiter"
	+string(7) "RSOther"
	+string(7) "RSGhost"
	+string(12) "LoadBalancer"
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-debug-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-debug-001.phpt
	new file mode 100644
	index 00000000..489c73d1
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-debug-001.phpt
	@@ -0,0 +1,33 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription debug output
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+var_dump($server->getServerDescription());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\ServerDescription)#%d (%d) {
	+ ["host"]=>
	+ string(%d) "%s"
	+ ["port"]=>
	+ int(%d)
	+ ["type"]=>
	+ string(%d) "%r(Standalone\|Mongos\|RSPrimary\|LoadBalancer)%r"
	+ ["hello_response"]=>
	+ array(%d) {%A
	+ }
	+ ["last_update_time"]=>
	+ %r(string$\d+$ "\d+"\|int$\d+$)%r
	+ ["round_trip_time"]=>
	+ %r(NULL\|int$\d+$)%r
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getHelloResponse-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getHelloResponse-001.phpt
	new file mode 100644
	index 00000000..139df71e
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getHelloResponse-001.phpt
	@@ -0,0 +1,21 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getHelloResponse()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+var_dump($server->getServerDescription()->getHelloResponse());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+array(%d) {%A
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getHost-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getHost-001.phpt
	new file mode 100644
	index 00000000..25ed7d19
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getHost-001.phpt
	@@ -0,0 +1,20 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getHost()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+var_dump($server->getServerDescription()->getHost());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+string(%s) %s
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getLastUpdateTime-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getLastUpdateTime-001.phpt
	new file mode 100644
	index 00000000..bb769a93
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getLastUpdateTime-001.phpt
	@@ -0,0 +1,21 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getLastUpdateTime()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php if (8 !== PHP_INT_SIZE) { die('skip Only for 64-bit platform'); } ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+var_dump($server->getServerDescription()->getLastUpdateTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+int(%d)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getLastUpdateTime-002.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getLastUpdateTime-002.phpt
	new file mode 100644
	index 00000000..191af0e5
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getLastUpdateTime-002.phpt
	@@ -0,0 +1,26 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getLastUpdateTime() emits warning on truncation of 64-bit value
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php if (4 !== PHP_INT_SIZE) { die('skip Only for 32-bit platform'); } ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+/* The return value of mongoc_server_description_last_update_time() originates
	+ * from bson_get_monotonic_time(), which has an unspecified starting point and
	+ * may or may not exceed the range of a 32-bit integer. As such, EXPECTF allows
	+ * for a possible warning message. Depending on how the value is truncated, it
	+ * may also be reported as negative. */
	+var_dump($server->getServerDescription()->getLastUpdateTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+%r(Warning: Truncating 64-bit value for lastUpdateTime in .+ on line \d+\R)?%rint(%r(-?\d+)%r)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getPort-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getPort-001.phpt
	new file mode 100644
	index 00000000..837bfc05
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getPort-001.phpt
	@@ -0,0 +1,20 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getPort()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+var_dump($server->getServerDescription()->getPort());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+int(%d)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getRoundTripTime-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getRoundTripTime-001.phpt
	new file mode 100644
	index 00000000..4da70df9
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getRoundTripTime-001.phpt
	@@ -0,0 +1,20 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getRoundTripTime()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+var_dump($server->getServerDescription()->getRoundTripTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+%r(NULL\|int$\d+$)%r
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-getType-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-getType-001.phpt
	new file mode 100644
	index 00000000..d3b0d590
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-getType-001.phpt
	@@ -0,0 +1,20 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription::getType()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+var_dump($server->getServerDescription()->getType());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+string(%d) "%r(Standalone\|Mongos\|RSPrimary\|LoadBalancer)%r"
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/serverDescription/serverDescription-var_export-001.phpt b/mongodb-1.13.0/tests/serverDescription/serverDescription-var_export-001.phpt
	new file mode 100644
	index 00000000..3ce79b89
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/serverDescription/serverDescription-var_export-001.phpt
	@@ -0,0 +1,30 @@
	+--TEST--
	+MongoDB\Driver\ServerDescription: var_export()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+echo var_export($server->getServerDescription(), true), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+MongoDB\Driver\ServerDescription::__set_state(array(
	+ 'host' => '%s',
	+ 'port' => %d,
	+ 'type' => '%r(Standalone\|Mongos\|RSPrimary\|LoadBalancer)%r',
	+ 'hello_response' =>
	+ array (%A
	+ ),
	+ 'last_update_time' => %r('\d+'\|\d+)%r,
	+ 'round_trip_time' => %r(NULL\|\d+)%r,
	+))
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/bug1274-001.phpt b/mongodb-1.13.0/tests/session/bug1274-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/bug1274-001.phpt
	rename to mongodb-1.13.0/tests/session/bug1274-001.phpt
	diff --git a/mongodb-1.13.0/tests/session/bug1274-002.phpt b/mongodb-1.13.0/tests/session/bug1274-002.phpt
	new file mode 100644
	index 00000000..f5886865
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/bug1274-002.phpt
	@@ -0,0 +1,106 @@
	+--TEST--
	+PHPC-1274: Session destruct should not end session from parent process
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $pid;
	+
	+ public function __construct()
	+ {
	+ $this->pid = getmypid();
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ if ($commandName === 'find' \|\| $commandName === 'getMore') {
	+ printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	+ return;
	+ }
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$bulk->insert(['x' => 3]);
	+$manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+function isSessionOnServer($manager, $session) {
	+ /* Note: use $listLocalSessions since sessions are only synced to the config
	+ * database's system.sessions collection every 30 minutes. Alternatively, we
	+ * could run the refreshLogicalSessionCacheNow command on the primary. */
	+ $command = new MongoDB\Driver\Command([
	+ 'aggregate' => 1,
	+ 'pipeline' => [
	+ ['$listLocalSessions' => new stdClass],
	+ ['$match' => ['_id.id' => $session->getLogicalSessionId()->id]],
	+ ],
	+ 'cursor' => new stdClass,
	+ ]);
	+ $cursor = $manager->executeReadCommand(DATABASE_NAME, $command);
	+
	+ return iterator_count($cursor) > 0;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ printf("Session is on server: %s\n", isSessionOnServer($manager, $session) ? 'yes' : 'no');
	+
	+ printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Parent executes find with batchSize: 2
	+Child exits
	+Parent waited for child to exit
	+Parent executes aggregate
	+Session is on server: yes
	+Parent executes getMore with batchSize: 2
	+Parent fully iterated cursor for 3 documents
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/bug1274-003.phpt b/mongodb-1.13.0/tests/session/bug1274-003.phpt
	new file mode 100644
	index 00000000..802d6f7f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/bug1274-003.phpt
	@@ -0,0 +1,120 @@
	+--TEST--
	+PHPC-1274: Implicit sessions are not reused from parent process
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+<?php skip_if_not_clean(DATABASE_NAME, COLLECTION_NAME . '_sessions'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class SessionLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lsids = [];
	+ private $logNamespace;
	+ private $manager;
	+ private $pid;
	+
	+ public function __construct(MongoDB\Driver\Manager $manager, $logNamespace)
	+ {
	+ $this->logNamespace = $logNamespace;
	+ $this->manager = $manager;
	+ $this->pid = getmypid();
	+ }
	+
	+ public function executeAndLogSessions(callable $callable)
	+ {
	+ $this->lsids = [];
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+ call_user_func($callable);
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+
	+ if (empty($this->lsids)) {
	+ return;
	+ }
	+
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+
	+ foreach ($this->lsids as $lsid) {
	+ $bulk->update(['lsid' => $lsid], ['$inc' => ['count' => 1]], ['upsert' => true]);
	+ }
	+
	+ $this->manager->executeBulkWrite($this->logNamespace, $bulk);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+
	+ if (isset($command->lsid)) {
	+ $this->lsids[] = $command->lsid;
	+ }
	+
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager();
	+$logNamespace = NS . '_sessions';
	+$sessionLogger = new SessionLogger($manager, $logNamespace);
	+
	+/* This test uses executeBulkWrite() as it's the only execute method that does
	+ * not create a cursor. The original patch for PHPC-1274 covered those methods
	+ * that return a cursor but omitted executeBulkWrite(). */
	+$sessionLogger->executeAndLogSessions(function() use ($manager) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk);
	+});
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ $sessionLogger->executeAndLogSessions(function() use ($manager) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 2]);
	+ $manager->executeBulkWrite(NS, $bulk);
	+ });
	+
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $cursor = $manager->executeQuery($logNamespace, $query);
	+
	+ printf("Sessions used: %d\n", iterator_count($cursor));
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Parent executes insert
	+Child executes insert
	+Child exits
	+Parent waited for child to exit
	+Sessions used: 2
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/bug1274-004.phpt b/mongodb-1.13.0/tests/session/bug1274-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/bug1274-004.phpt
	rename to mongodb-1.13.0/tests/session/bug1274-004.phpt
	diff --git a/mongodb-1.13.0/tests/session/bug1274-005.phpt b/mongodb-1.13.0/tests/session/bug1274-005.phpt
	new file mode 100644
	index 00000000..b9df3082
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/bug1274-005.phpt
	@@ -0,0 +1,106 @@
	+--TEST--
	+PHPC-1274: Session destruct should not end session from parent process (disableClientPersistence=true)
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class CommandLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $pid;
	+
	+ public function __construct()
	+ {
	+ $this->pid = getmypid();
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ if ($commandName === 'find' \|\| $commandName === 'getMore') {
	+ printf("%s executes %s with batchSize: %d\n", $process, $commandName, $command->batchSize);
	+ return;
	+ }
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+$session = $manager->startSession();
	+
	+$bulk = new MongoDB\Driver\BulkWrite();
	+$bulk->insert(['x' => 1]);
	+$bulk->insert(['x' => 2]);
	+$bulk->insert(['x' => 3]);
	+$manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
	+
	+$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
	+$cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+function isSessionOnServer($manager, $session) {
	+ /* Note: use $listLocalSessions since sessions are only synced to the config
	+ * database's system.sessions collection every 30 minutes. Alternatively, we
	+ * could run the refreshLogicalSessionCacheNow command on the primary. */
	+ $command = new MongoDB\Driver\Command([
	+ 'aggregate' => 1,
	+ 'pipeline' => [
	+ ['$listLocalSessions' => new stdClass],
	+ ['$match' => ['_id.id' => $session->getLogicalSessionId()->id]],
	+ ],
	+ 'cursor' => new stdClass,
	+ ]);
	+ $cursor = $manager->executeReadCommand(DATABASE_NAME, $command);
	+
	+ return iterator_count($cursor) > 0;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ printf("Session is on server: %s\n", isSessionOnServer($manager, $session) ? 'yes' : 'no');
	+
	+ printf("Parent fully iterated cursor for %d documents\n", iterator_count($cursor));
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Parent executes find with batchSize: 2
	+Child exits
	+Parent waited for child to exit
	+Parent executes aggregate
	+Session is on server: yes
	+Parent executes getMore with batchSize: 2
	+Parent fully iterated cursor for 3 documents
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/bug1274-006.phpt b/mongodb-1.13.0/tests/session/bug1274-006.phpt
	new file mode 100644
	index 00000000..642a934a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/bug1274-006.phpt
	@@ -0,0 +1,120 @@
	+--TEST--
	+PHPC-1274: Implicit sessions are not reused from parent process (disableClientPersistence=true)
	+--SKIPIF--
	+<?php if (!function_exists('pcntl_fork')) { die('skip pcntl_fork() not available'); } ?>
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+<?php skip_if_not_clean(DATABASE_NAME, COLLECTION_NAME . '_sessions'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class SessionLogger implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lsids = [];
	+ private $logNamespace;
	+ private $manager;
	+ private $pid;
	+
	+ public function __construct(MongoDB\Driver\Manager $manager, $logNamespace)
	+ {
	+ $this->logNamespace = $logNamespace;
	+ $this->manager = $manager;
	+ $this->pid = getmypid();
	+ }
	+
	+ public function executeAndLogSessions(callable $callable)
	+ {
	+ $this->lsids = [];
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+ call_user_func($callable);
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+
	+ if (empty($this->lsids)) {
	+ return;
	+ }
	+
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+
	+ foreach ($this->lsids as $lsid) {
	+ $bulk->update(['lsid' => $lsid], ['$inc' => ['count' => 1]], ['upsert' => true]);
	+ }
	+
	+ $this->manager->executeBulkWrite($this->logNamespace, $bulk);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+
	+ if (isset($command->lsid)) {
	+ $this->lsids[] = $command->lsid;
	+ }
	+
	+ $commandName = $event->getCommandName();
	+ $process = $this->pid === getmypid() ? 'Parent' : 'Child';
	+
	+ printf("%s executes %s\n", $process, $commandName);
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+$manager = create_test_manager(URI, [], ['disableClientPersistence' => true]);
	+$logNamespace = NS . '_sessions';
	+$sessionLogger = new SessionLogger($manager, $logNamespace);
	+
	+/* This test uses executeBulkWrite() as it's the only execute method that does
	+ * not create a cursor. The original patch for PHPC-1274 covered those methods
	+ * that return a cursor but omitted executeBulkWrite(). */
	+$sessionLogger->executeAndLogSessions(function() use ($manager) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk);
	+});
	+
	+$childPid = pcntl_fork();
	+
	+if ($childPid === 0) {
	+ $sessionLogger->executeAndLogSessions(function() use ($manager) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 2]);
	+ $manager->executeBulkWrite(NS, $bulk);
	+ });
	+
	+ echo "Child exits\n";
	+ exit;
	+}
	+
	+if ($childPid > 0) {
	+ $waitPid = pcntl_waitpid($childPid, $status);
	+
	+ if ($waitPid === $childPid) {
	+ echo "Parent waited for child to exit\n";
	+ }
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $cursor = $manager->executeQuery($logNamespace, $query);
	+
	+ printf("Sessions used: %d\n", iterator_count($cursor));
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Parent executes insert
	+Child executes insert
	+Child exits
	+Parent waited for child to exit
	+Sessions used: 2
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-001.phpt b/mongodb-1.13.0/tests/session/session-001.phpt
	new file mode 100644
	index 00000000..849278a0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-001.phpt
	@@ -0,0 +1,33 @@
	+--TEST--
	+MongoDB\Driver\Session spec test: Pool is LIFO
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$firstSession = $manager->startSession();
	+$firstSessionId = $firstSession->getLogicalSessionId();
	+
	+/* libmongoc does not pool unused sessions (CDRIVER-3322), so we must use this
	+ * session with a command to ensure it enters the pool. */
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $firstSession]);
	+
	+unset($firstSession);
	+
	+$secondSession = $manager->startSession();
	+$secondSessionId = $secondSession->getLogicalSessionId();
	+
	+var_dump($firstSessionId == $secondSessionId);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-002.phpt b/mongodb-1.13.0/tests/session/session-002.phpt
	new file mode 100644
	index 00000000..a83b3d53
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-002.phpt
	@@ -0,0 +1,173 @@
	+--TEST--
	+MongoDB\Driver\Session spec test: $clusterTime in commands
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_load_balanced(); /* TODO: CDRIVER-4174 */ ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
	+{
	+ private $lastSeenClusterTime;
	+
	+ public function aggregate()
	+ {
	+ $this->lastSeenClusterTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $command = new MongoDB\Driver\Command([
	+ 'aggregate' => COLLECTION_NAME,
	+ 'pipeline' => [],
	+ 'cursor' => new stdClass(),
	+ ]);
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ $manager->executeReadWriteCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+ printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function find()
	+ {
	+ $this->lastSeenClusterTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+
	+ printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function insert()
	+ {
	+ $this->lastSeenClusterTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 2]);
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+
	+ printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function ping()
	+ {
	+ $this->lastSeenClusterTime = null;
	+
	+ MongoDB\Driver\Monitoring\addSubscriber($this);
	+
	+ $manager = create_test_manager();
	+ $session = $manager->startSession();
	+
	+ $command = new MongoDB\Driver\Command(['ping' => 1]);
	+ $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+ $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+ printf("Session reports last seen \$clusterTime: %s\n", ($session->getClusterTime() == $this->lastSeenClusterTime) ? 'yes' : 'no');
	+
	+ MongoDB\Driver\Monitoring\removeSubscriber($this);
	+ }
	+
	+ public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
	+ {
	+ $command = $event->getCommand();
	+ $hasClusterTime = isset($command->{'$clusterTime'});
	+
	+ printf("%s command includes \$clusterTime: %s\n", $event->getCommandName(), $hasClusterTime ? 'yes' : 'no');
	+
	+ if ($hasClusterTime && $this->lastSeenClusterTime !== null) {
	+ printf("%s command uses last seen \$clusterTime: %s\n", $event->getCommandName(), ($command->{'$clusterTime'} == $this->lastSeenClusterTime) ? 'yes' : 'no');
	+ }
	+ }
	+
	+ public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
	+ {
	+ $reply = $event->getReply();
	+ $hasClusterTime = isset($reply->{'$clusterTime'});
	+
	+ printf("%s command reply includes \$clusterTime: %s\n", $event->getCommandName(), $hasClusterTime ? 'yes' : 'no');
	+
	+ if ($hasClusterTime) {
	+ $this->lastSeenClusterTime = $reply->{'$clusterTime'};
	+ }
	+ }
	+
	+ public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
	+ {
	+ }
	+}
	+
	+echo "\nTesting aggregate command\n";
	+(new Test)->aggregate();
	+
	+echo "\nTesting find command\n";
	+(new Test)->find();
	+
	+echo "\nTesting insert command\n";
	+(new Test)->insert();
	+
	+echo "\nTesting ping command\n";
	+(new Test)->ping();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing aggregate command
	+aggregate command includes $clusterTime: yes
	+aggregate command reply includes $clusterTime: yes
	+aggregate command includes $clusterTime: yes
	+aggregate command uses last seen $clusterTime: yes
	+aggregate command reply includes $clusterTime: yes
	+Session reports last seen $clusterTime: yes
	+
	+Testing find command
	+find command includes $clusterTime: yes
	+find command reply includes $clusterTime: yes
	+find command includes $clusterTime: yes
	+find command uses last seen $clusterTime: yes
	+find command reply includes $clusterTime: yes
	+Session reports last seen $clusterTime: yes
	+
	+Testing insert command
	+insert command includes $clusterTime: yes
	+insert command reply includes $clusterTime: yes
	+insert command includes $clusterTime: yes
	+insert command uses last seen $clusterTime: yes
	+insert command reply includes $clusterTime: yes
	+Session reports last seen $clusterTime: yes
	+
	+Testing ping command
	+ping command includes $clusterTime: yes
	+ping command reply includes $clusterTime: yes
	+ping command includes $clusterTime: yes
	+ping command uses last seen $clusterTime: yes
	+ping command reply includes $clusterTime: yes
	+Session reports last seen $clusterTime: yes
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-003.phpt b/mongodb-1.13.0/tests/session/session-003.phpt
	new file mode 100644
	index 00000000..baedb445
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-003.phpt
	@@ -0,0 +1,52 @@
	+--TEST--
	+MongoDB\Driver\Session spec test: session cannot be used for different clients
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+// Vary heartbeatFrequencyMS to ensure each Manager gets a different client
	+$manager = create_test_manager(URI, ['heartbeatFrequencyMS' => 60000]);
	+$otherManager = create_test_manager(URI, ['heartbeatFrequencyMS' => 90000]);
	+
	+// Create a session with the second Manager (associated with different client)
	+$session = $otherManager->startSession();
	+
	+echo "\nTesting executeBulkWrite()\n";
	+echo throws(function() use ($manager, $session) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+echo "\nTesting executeCommand()\n";
	+echo throws(function() use ($manager, $session) {
	+ $command = new MongoDB\Driver\Command(['ping' => 1]);
	+ $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+echo "\nTesting executeQuery()\n";
	+echo throws(function() use ($manager, $session) {
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+}, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing executeBulkWrite()
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot use Session started from a different Manager
	+
	+Testing executeCommand()
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot use Session started from a different Manager
	+
	+Testing executeQuery()
	+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
	+Cannot use Session started from a different Manager
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-004.phpt b/mongodb-1.13.0/tests/session/session-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-004.phpt
	rename to mongodb-1.13.0/tests/session/session-004.phpt
	diff --git a/mongodb-1.13.0/tests/session/session-005.phpt b/mongodb-1.13.0/tests/session/session-005.phpt
	new file mode 100644
	index 00000000..1f2da9c9
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-005.phpt
	@@ -0,0 +1,53 @@
	+--TEST--
	+MongoDB\Driver\Session spec test: snapshot option requires MongoDB 5.0+
	+--DESCRIPTION--
	+PHPC-1876: Raise client error for snapshot sessions on <5.0 servers
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_server_version('>=', '5.0'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession(['snapshot' => true]);
	+
	+/* Note: executeBulkWrite() always throws a BulkWriteException. Any previous
	+ * exception's message will be included in the BulkWriteException message. */
	+echo "\nTesting executeBulkWrite()\n";
	+echo throws(function() use ($manager, $session) {
	+ $bulk = new MongoDB\Driver\BulkWrite();
	+ $bulk->insert(['x' => 1]);
	+ $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
	+}, MongoDB\Driver\Exception\BulkWriteException::class), "\n";
	+
	+echo "\nTesting executeCommand()\n";
	+echo throws(function() use ($manager, $session) {
	+ $command = new MongoDB\Driver\Command(['ping' => 1]);
	+ $manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	+
	+echo "\nTesting executeQuery()\n";
	+echo throws(function() use ($manager, $session) {
	+ $query = new MongoDB\Driver\Query([]);
	+ $manager->executeQuery(NS, $query, ['session' => $session]);
	+}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Testing executeBulkWrite()
	+OK: Got MongoDB\Driver\Exception\BulkWriteException
	+Bulk write failed due to previous MongoDB\Driver\Exception\RuntimeException: Snapshot reads require MongoDB 5.0 or later
	+
	+Testing executeCommand()
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Snapshot reads require MongoDB 5.0 or later
	+
	+Testing executeQuery()
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Snapshot reads require MongoDB 5.0 or later
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-advanceClusterTime-001.phpt b/mongodb-1.13.0/tests/session/session-advanceClusterTime-001.phpt
	new file mode 100644
	index 00000000..7e8fe663
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-advanceClusterTime-001.phpt
	@@ -0,0 +1,51 @@
	+--TEST--
	+MongoDB\Driver\Session::advanceClusterTime()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$sessionA = $manager->startSession();
	+$sessionB = $manager->startSession();
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $sessionA]);
	+
	+echo "Initial cluster time of session B:\n";
	+var_dump($sessionB->getClusterTime());
	+
	+$sessionB->advanceClusterTime($sessionA->getClusterTime());
	+
	+echo "\nCluster time after advancing session B:\n";
	+var_dump($sessionB->getClusterTime());
	+
	+echo "\nSessions A and B have equivalent cluster times:\n";
	+var_dump($sessionA->getClusterTime() == $sessionB->getClusterTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Initial cluster time of session B:
	+NULL
	+
	+Cluster time after advancing session B:
	+object(stdClass)#%d (%d) {
	+ ["clusterTime"]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+ }
	+ ["signature"]=>
	+ %a
	+}
	+
	+Sessions A and B have equivalent cluster times:
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-advanceOperationTime-001.phpt b/mongodb-1.13.0/tests/session/session-advanceOperationTime-001.phpt
	new file mode 100644
	index 00000000..37f83b4f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-advanceOperationTime-001.phpt
	@@ -0,0 +1,46 @@
	+--TEST--
	+MongoDB\Driver\Session::advanceOperationTime()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$sessionA = $manager->startSession();
	+$sessionB = $manager->startSession();
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $sessionA]);
	+
	+echo "Initial operation time of session B:\n";
	+var_dump($sessionB->getOperationTime());
	+
	+$sessionB->advanceOperationTime($sessionA->getOperationTime());
	+
	+echo "\nOperation time after advancing session B:\n";
	+var_dump($sessionB->getOperationTime());
	+
	+echo "\nSessions A and B have equivalent operation times:\n";
	+var_dump($sessionA->getOperationTime() == $sessionB->getOperationTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Initial operation time of session B:
	+NULL
	+
	+Operation time after advancing session B:
	+object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+}
	+
	+Sessions A and B have equivalent operation times:
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-advanceOperationTime-002.phpt b/mongodb-1.13.0/tests/session/session-advanceOperationTime-002.phpt
	new file mode 100644
	index 00000000..a00e07be
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-advanceOperationTime-002.phpt
	@@ -0,0 +1,36 @@
	+--TEST--
	+MongoDB\Driver\Session::advanceOperationTime() with Timestamp
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo "Initial operation time of session:\n";
	+var_dump($session->getOperationTime());
	+
	+$session->advanceOperationTime(new MongoDB\BSON\Timestamp(5678, 1234));
	+
	+echo "\nOperation time after advancing session:\n";
	+var_dump($session->getOperationTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Initial operation time of session:
	+NULL
	+
	+Operation time after advancing session:
	+object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(4) "5678"
	+ ["timestamp"]=>
	+ string(4) "1234"
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-advanceOperationTime-003.phpt b/mongodb-1.13.0/tests/session/session-advanceOperationTime-003.phpt
	new file mode 100644
	index 00000000..3c51346d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-advanceOperationTime-003.phpt
	@@ -0,0 +1,54 @@
	+--TEST--
	+MongoDB\Driver\Session::advanceOperationTime() with TimestampInterface
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MyTimestamp implements MongoDB\BSON\TimestampInterface
	+{
	+ public function getIncrement()
	+ {
	+ return 5678;
	+ }
	+
	+ public function getTimestamp()
	+ {
	+ return 1234;
	+ }
	+
	+ public function __toString()
	+ {
	+ return sprintf('[%d:%d]', $this->getIncrement(), $this->getTimestamp());
	+ }
	+}
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo "Initial operation time of session:\n";
	+var_dump($session->getOperationTime());
	+
	+$session->advanceOperationTime(new MyTimestamp);
	+
	+echo "\nOperation time after advancing session:\n";
	+var_dump($session->getOperationTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Initial operation time of session:
	+NULL
	+
	+Operation time after advancing session:
	+object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(4) "5678"
	+ ["timestamp"]=>
	+ string(4) "1234"
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-advanceOperationTime_error-001.phpt b/mongodb-1.13.0/tests/session/session-advanceOperationTime_error-001.phpt
	new file mode 100644
	index 00000000..8192bfbf
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-advanceOperationTime_error-001.phpt
	@@ -0,0 +1,91 @@
	+--TEST--
	+MongoDB\Driver\Session::advanceOperationTime() with TimestampInterface exceptions
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class MyTimestamp implements MongoDB\BSON\TimestampInterface
	+{
	+ private $failIncrement;
	+ private $failTimestamp;
	+
	+ public function __construct($failIncrement, $failTimestamp)
	+ {
	+ $this->failIncrement = $failIncrement;
	+ $this->failTimestamp = $failTimestamp;
	+ }
	+
	+ public function getIncrement()
	+ {
	+ if ($this->failIncrement) {
	+ throw new Exception('getIncrement() failed');
	+ }
	+
	+ return 5678;
	+ }
	+
	+ public function getTimestamp()
	+ {
	+ if ($this->failTimestamp) {
	+ throw new Exception('getTimestamp() failed');
	+ }
	+
	+ return 1234;
	+ }
	+
	+ public function __toString()
	+ {
	+ return sprintf('[%d:%d]', $this->getIncrement(), $this->getTimestamp());
	+ }
	+}
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo "Initial operation time of session:\n";
	+var_dump($session->getOperationTime());
	+
	+$timestamps = [
	+ new MyTimestamp(true, false),
	+ new MyTimestamp(false, true),
	+ new MyTimestamp(true, true),
	+];
	+
	+foreach ($timestamps as $timestamp) {
	+ echo "\n", throws(function() use ($session, $timestamp) {
	+ $session->advanceOperationTime($timestamp);
	+ }, 'Exception'), "\n";
	+
	+ echo "\nOperation time after advancing session fails:\n";
	+ var_dump($session->getOperationTime());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+Initial operation time of session:
	+NULL
	+
	+OK: Got Exception
	+getIncrement() failed
	+
	+Operation time after advancing session fails:
	+NULL
	+
	+OK: Got Exception
	+getTimestamp() failed
	+
	+Operation time after advancing session fails:
	+NULL
	+
	+OK: Got Exception
	+getTimestamp() failed
	+
	+Operation time after advancing session fails:
	+NULL
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-commitTransaction-001.phpt b/mongodb-1.13.0/tests/session/session-commitTransaction-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-commitTransaction-001.phpt
	rename to mongodb-1.13.0/tests/session/session-commitTransaction-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-constants.phpt b/mongodb-1.13.0/tests/session/session-constants.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-constants.phpt
	rename to mongodb-1.13.0/tests/session/session-constants.phpt
	diff --git a/mongodb-1.13.0/tests/session/session-debug-001.phpt b/mongodb-1.13.0/tests/session/session-debug-001.phpt
	new file mode 100644
	index 00000000..7480fbcf
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-001.phpt
	@@ -0,0 +1,50 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (before an operation)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+var_dump($session);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["logicalSessionId"]=>
	+ array(1) {
	+ ["id"]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	+ ["type"]=>
	+ int(4)
	+ }
	+ }
	+ ["clusterTime"]=>
	+ NULL
	+ ["causalConsistency"]=>
	+ bool(true)
	+ ["snapshot"]=>
	+ bool(false)
	+ ["operationTime"]=>
	+ NULL
	+ ["server"]=>
	+ NULL
	+ ["dirty"]=>
	+ bool(false)
	+ ["inTransaction"]=>
	+ bool(false)
	+ ["transactionState"]=>
	+ string(4) "none"
	+ ["transactionOptions"]=>
	+ NULL
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-debug-002.phpt b/mongodb-1.13.0/tests/session/session-debug-002.phpt
	new file mode 100644
	index 00000000..46badb9b
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-002.phpt
	@@ -0,0 +1,68 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (after an operation)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+var_dump($session);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["logicalSessionId"]=>
	+ array(1) {
	+ ["id"]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	+ ["type"]=>
	+ int(4)
	+ }
	+ }
	+ ["clusterTime"]=>
	+ array(2) {
	+ ["clusterTime"]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+ }
	+ ["signature"]=>
	+ %a
	+ }
	+ ["causalConsistency"]=>
	+ bool(true)
	+ ["snapshot"]=>
	+ bool(false)
	+ ["operationTime"]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+ }
	+ ["server"]=>
	+ NULL
	+ ["dirty"]=>
	+ bool(false)
	+ ["inTransaction"]=>
	+ bool(false)
	+ ["transactionState"]=>
	+ string(4) "none"
	+ ["transactionOptions"]=>
	+ NULL
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-debug-003.phpt b/mongodb-1.13.0/tests/session/session-debug-003.phpt
	new file mode 100644
	index 00000000..57a3cce9
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-003.phpt
	@@ -0,0 +1,50 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (causalConsistency=false)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession(['causalConsistency' => false]);
	+
	+var_dump($session);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["logicalSessionId"]=>
	+ array(1) {
	+ ["id"]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	+ ["type"]=>
	+ int(4)
	+ }
	+ }
	+ ["clusterTime"]=>
	+ NULL
	+ ["causalConsistency"]=>
	+ bool(false)
	+ ["snapshot"]=>
	+ bool(false)
	+ ["operationTime"]=>
	+ NULL
	+ ["server"]=>
	+ NULL
	+ ["dirty"]=>
	+ bool(false)
	+ ["inTransaction"]=>
	+ bool(false)
	+ ["transactionState"]=>
	+ string(4) "none"
	+ ["transactionOptions"]=>
	+ NULL
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-debug-004.phpt b/mongodb-1.13.0/tests/session/session-debug-004.phpt
	new file mode 100644
	index 00000000..d884e3c2
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-004.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (after ending session)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+$session->endSession();
	+
	+var_dump($session);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["ended"]=>
	+ bool(true)
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-debug-005.phpt b/mongodb-1.13.0/tests/session/session-debug-005.phpt
	new file mode 100644
	index 00000000..98607d40
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-005.phpt
	@@ -0,0 +1,84 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (during a pinned transaction)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_mongos(); ?>
	+<?php skip_if_no_transactions(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	+
	+$session = $manager->startSession();
	+$session->startTransaction();
	+
	+$query = new MongoDB\Driver\Query([]);
	+$server->executeQuery(NS, $query, ['session' => $session]);
	+
	+var_dump($session);
	+
	+$session->abortTransaction();
	+$session->endSession();
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["logicalSessionId"]=>
	+ array(1) {
	+ ["id"]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	+ ["type"]=>
	+ int(4)
	+ }
	+ }
	+ ["clusterTime"]=>
	+ array(2) {
	+ ["clusterTime"]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+ }
	+ ["signature"]=>
	+ %a
	+ }
	+ ["causalConsistency"]=>
	+ bool(true)
	+ ["snapshot"]=>
	+ bool(false)
	+ ["operationTime"]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+ }
	+ ["server"]=>
	+ object(MongoDB\Driver\Server)#%d (%d) {
	+ %a
	+ }
	+ ["dirty"]=>
	+ bool(false)
	+ ["inTransaction"]=>
	+ bool(true)
	+ ["transactionState"]=>
	+ string(11) "in_progress"
	+ ["transactionOptions"]=>
	+ array(1) {
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(7) "primary"
	+ }
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-debug-006.phpt b/mongodb-1.13.0/tests/session/session-debug-006.phpt
	new file mode 100644
	index 00000000..b0cc7b3f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-006.phpt
	@@ -0,0 +1,77 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (with transaction options)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_no_transactions(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+$options = [
	+ 'maxCommitTimeMS' => 1,
	+ 'readConcern' => new \MongoDB\Driver\ReadConcern('majority'),
	+ 'readPreference' => new \MongoDB\Driver\ReadPreference('primaryPreferred'),
	+ 'writeConcern' => new \MongoDB\Driver\WriteConcern('majority'),
	+];
	+
	+$session->startTransaction($options);
	+
	+var_dump($session);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["logicalSessionId"]=>
	+ array(1) {
	+ ["id"]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	+ ["type"]=>
	+ int(4)
	+ }
	+ }
	+ ["clusterTime"]=>
	+ NULL
	+ ["causalConsistency"]=>
	+ bool(true)
	+ ["snapshot"]=>
	+ bool(false)
	+ ["operationTime"]=>
	+ NULL
	+ ["server"]=>
	+ NULL
	+ ["dirty"]=>
	+ bool(false)
	+ ["inTransaction"]=>
	+ bool(true)
	+ ["transactionState"]=>
	+ string(8) "starting"
	+ ["transactionOptions"]=>
	+ array(4) {
	+ ["maxCommitTimeMS"]=>
	+ int(1)
	+ ["readConcern"]=>
	+ object(MongoDB\Driver\ReadConcern)#%d (%d) {
	+ ["level"]=>
	+ string(8) "majority"
	+ }
	+ ["readPreference"]=>
	+ object(MongoDB\Driver\ReadPreference)#%d (%d) {
	+ ["mode"]=>
	+ string(16) "primaryPreferred"
	+ }
	+ ["writeConcern"]=>
	+ object(MongoDB\Driver\WriteConcern)#%d (%d) {
	+ ["w"]=>
	+ string(8) "majority"
	+ }
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-debug-007.phpt b/mongodb-1.13.0/tests/session/session-debug-007.phpt
	new file mode 100644
	index 00000000..38d4509b
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-debug-007.phpt
	@@ -0,0 +1,50 @@
	+--TEST--
	+MongoDB\Driver\Session debug output (snapshot=true)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession(['snapshot' => true]);
	+
	+var_dump($session);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\Session)#%d (%d) {
	+ ["logicalSessionId"]=>
	+ array(1) {
	+ ["id"]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(16) "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
	+ ["type"]=>
	+ int(4)
	+ }
	+ }
	+ ["clusterTime"]=>
	+ NULL
	+ ["causalConsistency"]=>
	+ bool(false)
	+ ["snapshot"]=>
	+ bool(true)
	+ ["operationTime"]=>
	+ NULL
	+ ["server"]=>
	+ NULL
	+ ["dirty"]=>
	+ bool(false)
	+ ["inTransaction"]=>
	+ bool(false)
	+ ["transactionState"]=>
	+ string(4) "none"
	+ ["transactionOptions"]=>
	+ NULL
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-endSession-001.phpt b/mongodb-1.13.0/tests/session/session-endSession-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-endSession-001.phpt
	rename to mongodb-1.13.0/tests/session/session-endSession-001.phpt
	diff --git a/mongodb-1.13.0/tests/session/session-endSession-002.phpt b/mongodb-1.13.0/tests/session/session-endSession-002.phpt
	new file mode 100644
	index 00000000..2263acad
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-endSession-002.phpt
	@@ -0,0 +1,21 @@
	+--TEST--
	+MongoDB\Driver\Session::endSession() Calling method multiple times
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$sessionA = $manager->startSession();
	+$sessionA->endSession();
	+$sessionA->endSession();
	+$sessionA->endSession();
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-getClusterTime-001.phpt b/mongodb-1.13.0/tests/session/session-getClusterTime-001.phpt
	new file mode 100644
	index 00000000..9b68098a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-getClusterTime-001.phpt
	@@ -0,0 +1,42 @@
	+--TEST--
	+MongoDB\Driver\Session::getClusterTime()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo "Initial cluster time:\n";
	+var_dump($session->getClusterTime());
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+echo "\nCluster time after command:\n";
	+var_dump($session->getClusterTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Initial cluster time:
	+NULL
	+
	+Cluster time after command:
	+object(stdClass)#%d (%d) {
	+ ["clusterTime"]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+ }
	+ ["signature"]=>
	+ %a
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-getLogicalSessionId-001.phpt b/mongodb-1.13.0/tests/session/session-getLogicalSessionId-001.phpt
	new file mode 100644
	index 00000000..5c610308
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-getLogicalSessionId-001.phpt
	@@ -0,0 +1,29 @@
	+--TEST--
	+MongoDB\Driver\Session::getLogicalSessionId()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+$lsid = $session->getLogicalSessionId();
	+
	+/* Note: we avoid dumping the Binary object as it may contain bytes that
	+ * intefere with the test suite's ability to compare expected output. */
	+var_dump($lsid instanceof stdClass);
	+var_dump($lsid->id instanceof MongoDB\BSON\Binary);
	+var_dump($lsid->id->getType() === MongoDB\BSON\Binary::TYPE_UUID);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+bool(true)
	+bool(true)
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-getOperationTime-001.phpt b/mongodb-1.13.0/tests/session/session-getOperationTime-001.phpt
	new file mode 100644
	index 00000000..eac2ecbe
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-getOperationTime-001.phpt
	@@ -0,0 +1,37 @@
	+--TEST--
	+MongoDB\Driver\Session::getOperationTime()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto(); ?>
	+<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo "Initial operation time:\n";
	+var_dump($session->getOperationTime());
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$manager->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+echo "\nOperation time after command:\n";
	+var_dump($session->getOperationTime());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+Initial operation time:
	+NULL
	+
	+Operation time after command:
	+object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(%d) "%d"
	+ ["timestamp"]=>
	+ string(%d) "%d"
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-getTransactionOptions-001.phpt b/mongodb-1.13.0/tests/session/session-getTransactionOptions-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-getTransactionOptions-001.phpt
	rename to mongodb-1.13.0/tests/session/session-getTransactionOptions-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-getTransactionState-001.phpt b/mongodb-1.13.0/tests/session/session-getTransactionState-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-getTransactionState-001.phpt
	rename to mongodb-1.13.0/tests/session/session-getTransactionState-001.phpt
	diff --git a/mongodb-1.13.0/tests/session/session-isDirty-001.phpt b/mongodb-1.13.0/tests/session/session-isDirty-001.phpt
	new file mode 100644
	index 00000000..52a5eb15
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-isDirty-001.phpt
	@@ -0,0 +1,41 @@
	+--TEST--
	+MongoDB\Driver\Session::isDirty()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto() ?>
	+<?php skip_if_no_failcommand_failpoint(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$server = $manager->selectServer();
	+$session = $manager->startSession();
	+
	+printf("New session is dirty: %s\n", $session->isDirty() ? 'yes' : 'no');
	+
	+$command = new MongoDB\Driver\Command(['ping' => 1]);
	+$server->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+
	+printf("Session after successful command is dirty: %s\n", $session->isDirty() ? 'yes' : 'no');
	+
	+configureTargetedFailPoint($server, 'failCommand', [ 'times' => 1 ], [
	+ 'failCommands' => ['ping'],
	+ 'closeConnection' => true
	+]);
	+
	+throws(function() use ($server, $command, $session) {
	+ $server->executeCommand(DATABASE_NAME, $command, ['session' => $session]);
	+}, MongoDB\Driver\Exception\ConnectionTimeoutException::class);
	+
	+printf("Session after network error is dirty: %s\n", $session->isDirty() ? 'yes' : 'no');
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+New session is dirty: no
	+Session after successful command is dirty: no
	+OK: Got MongoDB\Driver\Exception\ConnectionTimeoutException
	+Session after network error is dirty: yes
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/session-isInTransaction-001.phpt b/mongodb-1.13.0/tests/session/session-isInTransaction-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-isInTransaction-001.phpt
	rename to mongodb-1.13.0/tests/session/session-isInTransaction-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction-001.phpt b/mongodb-1.13.0/tests/session/session-startTransaction-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-startTransaction-001.phpt
	rename to mongodb-1.13.0/tests/session/session-startTransaction-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction_error-001.phpt b/mongodb-1.13.0/tests/session/session-startTransaction_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-startTransaction_error-001.phpt
	rename to mongodb-1.13.0/tests/session/session-startTransaction_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction_error-002.phpt b/mongodb-1.13.0/tests/session/session-startTransaction_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-startTransaction_error-002.phpt
	rename to mongodb-1.13.0/tests/session/session-startTransaction_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction_error-004.phpt b/mongodb-1.13.0/tests/session/session-startTransaction_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-startTransaction_error-004.phpt
	rename to mongodb-1.13.0/tests/session/session-startTransaction_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/session/session-startTransaction_error-005.phpt b/mongodb-1.13.0/tests/session/session-startTransaction_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/session-startTransaction_error-005.phpt
	rename to mongodb-1.13.0/tests/session/session-startTransaction_error-005.phpt
	diff --git a/mongodb-1.13.0/tests/session/session-startTransaction_error-006.phpt b/mongodb-1.13.0/tests/session/session-startTransaction_error-006.phpt
	new file mode 100644
	index 00000000..9c05b7cf
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-startTransaction_error-006.phpt
	@@ -0,0 +1,25 @@
	+--TEST--
	+MongoDB\Driver\Session::startTransaction() throws an error on replicasets < 4.0
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto() ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_server_version('>=', '4.0'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo throws(function () use ($session) {
	+ $session->startTransaction();
	+}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Multi-document transactions are not supported by this server version
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/session/session-startTransaction_error-007.phpt b/mongodb-1.13.0/tests/session/session-startTransaction_error-007.phpt
	new file mode 100644
	index 00000000..a64bedf7
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/session/session-startTransaction_error-007.phpt
	@@ -0,0 +1,25 @@
	+--TEST--
	+MongoDB\Driver\Session::startTransaction() throws an error on sharded clusters < 4.2
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_libmongoc_crypto() ?>
	+<?php skip_if_not_sharded_cluster_with_replica_set(); ?>
	+<?php skip_if_server_version('>=', '4.2'); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+$session = $manager->startSession();
	+
	+echo throws(function () use ($session) {
	+ $session->startTransaction();
	+}, MongoDB\Driver\Exception\RuntimeException::class), "\n";
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\RuntimeException
	+Multi-document transactions are not supported by this server version
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration-001.phpt b/mongodb-1.13.0/tests/session/transaction-integration-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration-001.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration-002.phpt b/mongodb-1.13.0/tests/session/transaction-integration-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration-002.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration-002.phpt
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration-003.phpt b/mongodb-1.13.0/tests/session/transaction-integration-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration-003.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration-003.phpt
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration_error-001.phpt b/mongodb-1.13.0/tests/session/transaction-integration_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration_error-001.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration_error-002.phpt b/mongodb-1.13.0/tests/session/transaction-integration_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration_error-002.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration_error-003.phpt b/mongodb-1.13.0/tests/session/transaction-integration_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration_error-003.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/session/transaction-integration_error-004.phpt b/mongodb-1.13.0/tests/session/transaction-integration_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/session/transaction-integration_error-004.phpt
	rename to mongodb-1.13.0/tests/session/transaction-integration_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/bug0166.phpt b/mongodb-1.13.0/tests/standalone/bug0166.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/bug0166.phpt
	rename to mongodb-1.13.0/tests/standalone/bug0166.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/bug0231.phpt b/mongodb-1.13.0/tests/standalone/bug0231.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/bug0231.phpt
	rename to mongodb-1.13.0/tests/standalone/bug0231.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/bug0357.phpt b/mongodb-1.13.0/tests/standalone/bug0357.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/bug0357.phpt
	rename to mongodb-1.13.0/tests/standalone/bug0357.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/bug0545.phpt b/mongodb-1.13.0/tests/standalone/bug0545.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/bug0545.phpt
	rename to mongodb-1.13.0/tests/standalone/bug0545.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/bug0655.phpt b/mongodb-1.13.0/tests/standalone/bug0655.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/bug0655.phpt
	rename to mongodb-1.13.0/tests/standalone/bug0655.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/command-aggregate-001.phpt b/mongodb-1.13.0/tests/standalone/command-aggregate-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/command-aggregate-001.phpt
	rename to mongodb-1.13.0/tests/standalone/command-aggregate-001.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/connectiontimeoutexception-001.phpt b/mongodb-1.13.0/tests/standalone/connectiontimeoutexception-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/connectiontimeoutexception-001.phpt
	rename to mongodb-1.13.0/tests/standalone/connectiontimeoutexception-001.phpt
	diff --git a/mongodb-1.13.0/tests/standalone/executiontimeoutexception-001.phpt b/mongodb-1.13.0/tests/standalone/executiontimeoutexception-001.phpt
	new file mode 100644
	index 00000000..8c35546d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/standalone/executiontimeoutexception-001.phpt
	@@ -0,0 +1,34 @@
	+--TEST--
	+ExecutionTimeoutException: exceeding $maxTimeMS (queries)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_test_commands_disabled(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+// Select a specific server for future operations to avoid mongos switching in sharded clusters
	+$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	+
	+$query = new MongoDB\Driver\Query(array("company" => "Smith, Carter and Buckridge"), array(
	+ 'projection' => array('_id' => 0, 'username' => 1),
	+ 'sort' => array('phoneNumber' => 1),
	+ 'modifiers' => array(
	+ '$maxTimeMS' => 1,
	+ ),
	+));
	+
	+failMaxTimeMS($server);
	+throws(function() use ($server, $query) {
	+ $result = $server->executeQuery(NS, $query);
	+}, "MongoDB\Driver\Exception\ExecutionTimeoutException");
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\ExecutionTimeoutException
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/standalone/executiontimeoutexception-002.phpt b/mongodb-1.13.0/tests/standalone/executiontimeoutexception-002.phpt
	new file mode 100644
	index 00000000..3ec35d24
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/standalone/executiontimeoutexception-002.phpt
	@@ -0,0 +1,34 @@
	+--TEST--
	+ExecutionTimeoutException: exceeding maxTimeMS (commands)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_test_commands_disabled(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+// Select a specific server for future operations to avoid mongos switching in sharded clusters
	+$server = $manager->selectServer(new \MongoDB\Driver\ReadPreference('primary'));
	+
	+$cmd = array(
	+ "count" => "collection",
	+ "query" => array("a" => 1),
	+ "maxTimeMS" => 100,
	+);
	+$command = new MongoDB\Driver\Command($cmd);
	+
	+failMaxTimeMS($server);
	+throws(function() use ($server, $command) {
	+ $result = $server->executeCommand(DATABASE_NAME, $command);
	+}, "MongoDB\Driver\Exception\ExecutionTimeoutException");
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got MongoDB\Driver\Exception\ExecutionTimeoutException
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/standalone/manager-as-singleton.phpt b/mongodb-1.13.0/tests/standalone/manager-as-singleton.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/manager-as-singleton.phpt
	rename to mongodb-1.13.0/tests/standalone/manager-as-singleton.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/query-errors.phpt b/mongodb-1.13.0/tests/standalone/query-errors.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/query-errors.phpt
	rename to mongodb-1.13.0/tests/standalone/query-errors.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/update-multi-001.phpt b/mongodb-1.13.0/tests/standalone/update-multi-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/update-multi-001.phpt
	rename to mongodb-1.13.0/tests/standalone/update-multi-001.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/write-error-001.phpt b/mongodb-1.13.0/tests/standalone/write-error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/write-error-001.phpt
	rename to mongodb-1.13.0/tests/standalone/write-error-001.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/writeresult-isacknowledged-001.phpt b/mongodb-1.13.0/tests/standalone/writeresult-isacknowledged-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/writeresult-isacknowledged-001.phpt
	rename to mongodb-1.13.0/tests/standalone/writeresult-isacknowledged-001.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/writeresult-isacknowledged-002.phpt b/mongodb-1.13.0/tests/standalone/writeresult-isacknowledged-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/writeresult-isacknowledged-002.phpt
	rename to mongodb-1.13.0/tests/standalone/writeresult-isacknowledged-002.phpt
	diff --git a/mongodb-1.12.0/tests/standalone/writeresult-isacknowledged-003.phpt b/mongodb-1.13.0/tests/standalone/writeresult-isacknowledged-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/standalone/writeresult-isacknowledged-003.phpt
	rename to mongodb-1.13.0/tests/standalone/writeresult-isacknowledged-003.phpt
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-constants.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-constants.phpt
	new file mode 100644
	index 00000000..16979090
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-constants.phpt
	@@ -0,0 +1,23 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription constants
	+--FILE--
	+<?php
	+
	+var_dump(MongoDB\Driver\TopologyDescription::TYPE_UNKNOWN);
	+var_dump(MongoDB\Driver\TopologyDescription::TYPE_SINGLE);
	+var_dump(MongoDB\Driver\TopologyDescription::TYPE_SHARDED);
	+var_dump(MongoDB\Driver\TopologyDescription::TYPE_REPLICA_SET_NO_PRIMARY);
	+var_dump(MongoDB\Driver\TopologyDescription::TYPE_REPLICA_SET_WITH_PRIMARY);
	+var_dump(MongoDB\Driver\TopologyDescription::TYPE_LOAD_BALANCED);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+string(7) "Unknown"
	+string(6) "Single"
	+string(7) "Sharded"
	+string(19) "ReplicaSetNoPrimary"
	+string(21) "ReplicaSetWithPrimary"
	+string(12) "LoadBalanced"
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-debug-001.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-debug-001.phpt
	new file mode 100644
	index 00000000..e96ebefc
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-debug-001.phpt
	@@ -0,0 +1,64 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription debug output
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+var_dump($topologyDescription);
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\TopologyDescription)#%d (%d) {
	+ ["servers"]=>
	+ array(%d) {
	+ [0]=>
	+ object(MongoDB\Driver\ServerDescription)#%d (%d) {%A
	+ }%A
	+ }
	+ ["type"]=>
	+ string(%d) "%r(Single\|Sharded\|ReplicaSetWithPrimary\|LoadBalanced)%r"
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-getServers-001.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-getServers-001.phpt
	new file mode 100644
	index 00000000..1ca2ccd7
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-getServers-001.phpt
	@@ -0,0 +1,71 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription::getServers()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+function isArrayOfServerDescriptions(array $sds) {
	+ if (count($sds) < 1) {
	+ return false;
	+ }
	+
	+ foreach ($sds as $sd) {
	+ if (! $sd instanceof MongoDB\Driver\ServerDescription) {
	+ return false;
	+ }
	+ }
	+
	+ return true;
	+}
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+$serverDescriptions = $topologyDescription->getServers();
	+
	+var_dump(isArrayOfServerDescriptions($serverDescriptions));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-getType-001.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-getType-001.phpt
	new file mode 100644
	index 00000000..64a6e3b0
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-getType-001.phpt
	@@ -0,0 +1,55 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription::getType()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+var_dump($topologyDescription->getType());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+string(%d) "%r(Single\|Sharded\|ReplicaSetWithPrimary\|LoadBalanced)%r"
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer-001.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer-001.phpt
	new file mode 100644
	index 00000000..1f7c2d29
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer-001.phpt
	@@ -0,0 +1,55 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription::hasReadableServer()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+var_dump($topologyDescription->hasReadableServer());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer-002.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer-002.phpt
	new file mode 100644
	index 00000000..c0234ff3
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer-002.phpt
	@@ -0,0 +1,56 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription::hasReadableServer() with ReadPreference argument
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+$rp = new MongoDB\Driver\ReadPreference('primary');
	+var_dump($topologyDescription->hasReadableServer($rp));
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer_error-001.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer_error-001.phpt
	new file mode 100644
	index 00000000..e6fc8e1f
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasReadableServer_error-001.phpt
	@@ -0,0 +1,68 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription::hasReadableServer() (argument with bad type)
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+$tests = [
	+ null,
	+ 1,
	+ [],
	+];
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+
	+foreach ($tests as $test) {
	+ throws(function() use ($topologyDescription, $test) {
	+ $topologyDescription->hasReadableServer($test);
	+ }, TypeError::class);
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+OK: Got TypeError
	+OK: Got TypeError
	+OK: Got TypeError
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasWritableServer-001.phpt b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasWritableServer-001.phpt
	new file mode 100644
	index 00000000..17be4fb7
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/topologyDescription/topologyDescription-hasWritableServer-001.phpt
	@@ -0,0 +1,55 @@
	+--TEST--
	+MongoDB\Driver\TopologyDescription::hasWritableServer()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+class TopologyDescriptionProvider implements MongoDB\Driver\Monitoring\SDAMSubscriber
	+{
	+ private $topologyDescription;
	+
	+ public function serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent $event) {}
	+
	+ public function serverClosed(MongoDB\Driver\Monitoring\ServerClosedEvent $event) {}
	+
	+ public function serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event) {}
	+
	+ public function serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent $event) {}
	+
	+ public function serverHeartbeatSucceeded(MongoDB\Driver\Monitoring\ServerHeartbeatSucceededEvent $event) {}
	+
	+ public function serverOpening(MongoDB\Driver\Monitoring\ServerOpeningEvent $event) {}
	+
	+ public function topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event)
	+ {
	+ $this->topologyDescription = $event->getNewDescription();
	+ }
	+
	+ public function topologyClosed(MongoDB\Driver\Monitoring\TopologyClosedEvent $event) {}
	+
	+ public function topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event) {}
	+
	+ public function getTopologyDescription()
	+ {
	+ $manager = create_test_manager();
	+ $manager->addSubscriber($this);
	+ $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
	+ $manager->removeSubscriber($this);
	+
	+ return $this->topologyDescription;
	+ }
	+}
	+
	+$subscriber = new TopologyDescriptionProvider;
	+$topologyDescription = $subscriber->getTopologyDescription();
	+var_dump($topologyDescription->hasWritableServer());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+bool(true)
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/utils/PHONGO-FIXTURES.json.gz b/mongodb-1.13.0/tests/utils/PHONGO-FIXTURES.json.gz
	similarity index 100%
	rename from mongodb-1.12.0/tests/utils/PHONGO-FIXTURES.json.gz
	rename to mongodb-1.13.0/tests/utils/PHONGO-FIXTURES.json.gz
	diff --git a/mongodb-1.12.0/tests/utils/basic-skipif.inc b/mongodb-1.13.0/tests/utils/basic-skipif.inc
	similarity index 100%
	rename from mongodb-1.12.0/tests/utils/basic-skipif.inc
	rename to mongodb-1.13.0/tests/utils/basic-skipif.inc
	diff --git a/mongodb-1.12.0/tests/utils/basic.inc b/mongodb-1.13.0/tests/utils/basic.inc
	similarity index 100%
	rename from mongodb-1.12.0/tests/utils/basic.inc
	rename to mongodb-1.13.0/tests/utils/basic.inc
	diff --git a/mongodb-1.12.0/tests/utils/classes.inc b/mongodb-1.13.0/tests/utils/classes.inc
	similarity index 100%
	rename from mongodb-1.12.0/tests/utils/classes.inc
	rename to mongodb-1.13.0/tests/utils/classes.inc
	diff --git a/mongodb-1.12.0/tests/utils/observer.php b/mongodb-1.13.0/tests/utils/observer.php
	similarity index 100%
	rename from mongodb-1.12.0/tests/utils/observer.php
	rename to mongodb-1.13.0/tests/utils/observer.php
	diff --git a/mongodb-1.13.0/tests/utils/skipif.php b/mongodb-1.13.0/tests/utils/skipif.php
	new file mode 100644
	index 00000000..f4848f8b
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/utils/skipif.php
	@@ -0,0 +1,481 @@
	+<?php
	+
	+use MongoDB\Driver\Command;
	+use MongoDB\Driver\Manager;
	+use MongoDB\Driver\ReadPreference;
	+use MongoDB\Driver\Server;
	+use MongoDB\Driver\Exception\ConnectionException;
	+use MongoDB\Driver\Exception\RuntimeException;
	+
	+require_once __DIR__ . '/basic.inc';
	+require_once __DIR__ . '/tools.php';
	+
	+/**
	+ * Disables SKIPIF caching (PHP 8.1+).
	+ */
	+function disable_skipif_caching()
	+{
	+ if (PHP_VERSION_ID < 80100) {
	+ return;
	+ }
	+
	+ echo "nocache\n";
	+}
	+
	+/**
	+ * Skips the test if the topology is load balanced.
	+ */
	+function skip_if_load_balanced()
	+{
	+ is_load_balanced(URI) and exit('skip topology is load balanced');
	+}
	+
	+/**
	+ * Skips the test if the topology is not load balanced.
	+ */
	+function skip_if_not_load_balanced()
	+{
	+ is_load_balanced(URI) or exit('skip topology is not load balanced');
	+}
	+
	+/**
	+ * Skips the test if the topology is a sharded cluster.
	+ */
	+function skip_if_mongos()
	+{
	+ is_mongos(URI) and exit('skip topology is a sharded cluster');
	+}
	+
	+/**
	+ * Skips the test if the topology contains multiple mongos nodes.
	+ *
	+ * This is particularly useful for tests that rely on configureFailPoint, since
	+ * randomized server selection can interfere with testing.
	+ */
	+function skip_if_multiple_mongos()
	+{
	+ $manager = create_test_manager();
	+
	+ // Ensure SDAM is initialized before calling Manager::getServers()
	+ $manager->selectServer(new ReadPreference('nearest'));
	+
	+ $mongosNodes = array_filter($manager->getServers(), function(Server $server) {
	+ return $server->getType() === Server::TYPE_MONGOS;
	+ });
	+
	+ if (count($mongosNodes) > 1) {
	+ exit('skip topology contains multiple mongos nodes');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the topology is not a shard cluster.
	+ */
	+function skip_if_not_mongos()
	+{
	+ is_mongos(URI) or exit('skip topology is not a sharded cluster');
	+}
	+
	+function skip_if_not_sharded_cluster_with_replica_set()
	+{
	+ is_sharded_cluster_with_replica_set(URI) or exit('skip topology is not a sharded cluster with replica set');
	+}
	+
	+/**
	+ * Skips the test if the topology is a replica set.
	+ */
	+function skip_if_replica_set()
	+{
	+ is_replica_set(URI) and exit('skip topology is a replica set');
	+}
	+
	+/**
	+ * Skips the test if the topology is not a replica set.
	+ */
	+function skip_if_not_replica_set()
	+{
	+ is_replica_set(URI) or exit('skip topology is not a replica set');
	+}
	+
	+/**
	+ * Skips the test if the topology is not a replica set or sharded cluster backed by replica sets
	+ */
	+function skip_if_not_replica_set_or_sharded_cluster_with_replica_set()
	+{
	+ is_replica_set(URI) or is_sharded_cluster_with_replica_set(URI) or exit('skip topology is not a replica set or sharded cluster with replica set');
	+}
	+
	+function skip_if_no_transactions()
	+{
	+ if (is_sharded_cluster_with_replica_set(URI)) {
	+ skip_if_server_version('<', '4.2');
	+ } elseif (is_replica_set(URI)) {
	+ skip_if_server_version('<', '4.0');
	+ } else {
	+ exit('skip topology does not support transactions');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the topology has no arbiter.
	+ */
	+function skip_if_no_arbiter()
	+{
	+ try {
	+ $primary = get_primary_server(URI);
	+ } catch (ConnectionException $e) {
	+ exit('skip primary server is not accessible: ' . $e->getMessage());
	+ }
	+ $info = $primary->getInfo();
	+
	+ if (!isset($info['arbiters']) \|\| count($info['arbiters']) < 1) {
	+ exit('skip no arbiters available');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the topology has no secondary.
	+ */
	+function skip_if_no_secondary()
	+{
	+ try {
	+ $primary = get_primary_server(URI);
	+ } catch (ConnectionException $e) {
	+ exit('skip primary server is not accessible: ' . $e->getMessage());
	+ }
	+ $info = $primary->getInfo();
	+
	+ if (!isset($info['hosts']) \|\| count($info['hosts']) < 2) {
	+ exit('skip no secondaries available');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the topology does not have enough data carrying nodes
	+ */
	+function skip_if_not_enough_data_nodes($requiredNodes, $maxNodeCount = null)
	+{
	+ try {
	+ $primary = get_primary_server(URI);
	+ } catch (ConnectionException $e) {
	+ exit('skip primary server is not accessible: ' . $e->getMessage());
	+ }
	+ $info = $primary->getInfo();
	+
	+ $dataNodeCount = isset($info['hosts']) ? count($info['hosts']) : 0;
	+
	+ if ($dataNodeCount < $requiredNodes) {
	+ exit("skip not enough nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	+ }
	+ if ($maxNodeCount !== null && $dataNodeCount > $requiredNodes) {
	+ exit("skip too many nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the topology does not have enough nodes
	+ */
	+function skip_if_not_enough_nodes($requiredNodes, $maxNodeCount = null)
	+{
	+ try {
	+ $primary = get_primary_server(URI);
	+ } catch (ConnectionException $e) {
	+ exit('skip primary server is not accessible: ' . $e->getMessage());
	+ }
	+ $info = $primary->getInfo();
	+
	+ $nodeCount =
	+ (isset($info['hosts']) ? count($info['hosts']) : 0) +
	+ (isset($info['arbiters']) ? count($info['arbiters']) : 0);
	+
	+ if ($nodeCount < $requiredNodes) {
	+ exit("skip not enough nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	+ }
	+ if ($maxNodeCount !== null && $nodeCount > $requiredNodes) {
	+ exit("skip too many nodes available (wanted: {$requiredNodes}, available: " . count($info['hosts']) . ')');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the topology is a standalone.
	+ */
	+function skip_if_standalone()
	+{
	+ is_standalone(URI) and exit('skip topology is a standalone');
	+}
	+
	+/**
	+ * Skips the test if the topology is not a standalone.
	+ */
	+function skip_if_not_standalone()
	+{
	+ is_standalone(URI) or exit('skip topology is not a standalone');
	+}
	+
	+/**
	+ * Skips the test if the connection string uses SSL.
	+ */
	+function skip_if_ssl()
	+{
	+ is_ssl(URI) and exit('skip URI is using SSL');
	+}
	+
	+/**
	+ * Skips the test if the connection string uses SSL.
	+ */
	+function skip_if_not_ssl()
	+{
	+ is_ssl(URI) or exit('skip URI is not using SSL');
	+}
	+
	+/**
	+ * Skips the test if no SSL directory has been defined.
	+ */
	+function skip_if_no_ssl_dir()
	+{
	+ $sslDir = getenv('SSL_DIR');
	+ $sslDir !== false or exit('skip SSL_DIR environment variable not set');
	+
	+ $sslDir = realpath($sslDir);
	+ ($sslDir !== false && is_dir($sslDir)) or exit('skip SSL_DIR is not a valid directory');
	+}
	+
	+/**
	+ * Skips the test if the connection string is using auth.
	+ */
	+function skip_if_auth()
	+{
	+ is_auth(URI) and exit('skip URI is using auth');
	+}
	+
	+/**
	+ * Skips the test if the connection string is not using auth.
	+ */
	+function skip_if_not_auth()
	+{
	+ is_auth(URI) or exit('skip URI is not using auth');
	+}
	+
	+/**
	+ * Skips the test if the connection string is not using a particular
	+ * authMechanism.
	+ *
	+ * @param string $authMechanism
	+ */
	+function skip_if_not_auth_mechanism($authMechanism)
	+{
	+ $uriAuthMechanism = get_uri_option(URI, 'authMechanism');
	+
	+ if ($uriAuthMechanism === null && $authMechanism !== null) {
	+ exit('skip URI is not using authMechanism');
	+ }
	+
	+ if ($uriAuthMechanism !== $authMechanism) {
	+ exit("skip URI authMechanism is '$uriAuthMechanism' (needed: '$authMechanism')");
	+ }
	+}
	+
	+/**
	+ * Skips the test if the server is not accessible.
	+ */
	+function skip_if_not_live()
	+{
	+ try {
	+ get_primary_server(URI);
	+ } catch (ConnectionException $e) {
	+ exit('skip server is not accessible: ' . $e->getMessage());
	+ }
	+}
	+
	+/**
	+ * Skips the test if the server version satisfies a comparison.
	+ *
	+ * @see http://php.net/version_compare
	+ * @param string $operator Comparison operator
	+ * @param string $version Version to compare against
	+ */
	+function skip_if_server_version($operator, $version)
	+{
	+ $serverVersion = get_server_version(URI);
	+
	+ if (version_compare($serverVersion, $version, $operator)) {
	+ exit("skip Server version '$serverVersion' $operator '$version'");
	+ }
	+}
	+
	+/**
	+ * Skips the test if the PHP version satisfies a comparison.
	+ *
	+ * @see http://php.net/version_compare
	+ * @param string $operator Comparison operator
	+ * @param string $version Version to compare against
	+ */
	+function skip_if_php_version($operator, $version)
	+{
	+ if (version_compare(PHP_VERSION, $version, $operator)) {
	+ exit("skip PHP version '" . PHP_VERSION . "' $operator '$version'");
	+ }
	+}
	+
	+/**
	+ * Skips the test if the server not using a particular storage engine.
	+ *
	+ * @param string $storageEngine Storage engine name
	+ */
	+function skip_if_not_server_storage_engine($storageEngine)
	+{
	+ $serverStorageEngine = get_server_storage_engine(URI);
	+
	+ if ($serverStorageEngine !== $storageEngine) {
	+ exit("skip Server storage engine is '$serverStorageEngine' (needed '$storageEngine')");
	+ }
	+}
	+
	+/**
	+ * Skips the test if the server does not support the sleep command.
	+ */
	+function skip_if_sleep_command_unavailable()
	+{
	+ if (!command_works(URI, ['sleep' => 1, 'secs' => 1, 'w' => false])) {
	+ exit('skip sleep command not available');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the server does not support test commands.
	+ */
	+function skip_if_test_commands_disabled()
	+{
	+ if (!get_server_parameter(URI, 'enableTestCommands')) {
	+ exit('skip test commands are disabled');
	+ }
	+}
	+
	+/**
	+ * Skips the test if libmongoc does not support crypto.
	+ *
	+ * If one or more libaries are provided, additionally check that the reported
	+ * library is in that array. Possible values are "libcrypto", "Common Crypto",
	+ * and "CNG".
	+ *
	+ * @param array $libs Optional list of crypto libraries to require
	+ */
	+function skip_if_not_libmongoc_crypto(array $libs = [])
	+{
	+ $lib = get_module_info('libmongoc crypto library');
	+
	+ if ($lib === null) {
	+ exit('skip libmongoc crypto is not enabled');
	+ }
	+
	+ if (!empty($libs) && !in_array($lib, $libs)) {
	+ exit('skip Needs libmongoc crypto library ' . implode(', ', $libs) . ', but found ' . $lib);
	+ }
	+}
	+
	+/**
	+ * Skips the test if libmongoc does not support SSL.
	+ *
	+ * If one or more libaries are provided, additionally check that the reported
	+ * library is in that array. Possible values are "OpenSSL", "LibreSSL",
	+ * "Secure Transport", and "Secure Channel".
	+ *
	+ * @param array $libs Optional list of SSL libraries to require
	+ */
	+function skip_if_not_libmongoc_ssl(array $libs = [])
	+{
	+ $lib = get_module_info('libmongoc SSL library');
	+
	+ if ($lib === null) {
	+ exit('skip libmongoc SSL is not enabled');
	+ }
	+
	+ if (!empty($libs) && !in_array($lib, $libs)) {
	+ exit('skip Needs libmongoc SSL library ' . implode(', ', $libs) . ', but found ' . $lib);
	+ }
	+}
	+
	+/**
	+ * Skips the test if the driver was not compiled with support for FLE
	+ */
	+function skip_if_not_libmongocrypt()
	+{
	+ $lib = get_module_info('libmongocrypt');
	+
	+ if ($lib === 'disabled') {
	+ exit('skip libmongocrypt is not enabled');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the driver was compiled with support for FLE
	+ */
	+function skip_if_libmongocrypt()
	+{
	+ $lib = get_module_info('libmongocrypt');
	+
	+ if ($lib !== 'disabled') {
	+ exit('skip libmongocrypt is enabled');
	+ }
	+}
	+
	+/**
	+ * Skips the test if the collection cannot be dropped.
	+ *
	+ * @param string $databaseName Database name
	+ * @param string $collectionName Collection name
	+ */
	+function skip_if_not_clean($databaseName = DATABASE_NAME, $collectionName = COLLECTION_NAME)
	+{
	+ try {
	+ drop_collection(URI, $databaseName, $collectionName);
	+ } catch (RuntimeException $e) {
	+ exit("skip Could not drop '$databaseName.$collectionName': " . $e->getMessage());
	+ }
	+
	+ /* Since this function modifies the state of the database, we need it to run
	+ * each time before a test. */
	+ disable_skipif_caching();
	+}
	+
	+function skip_if_no_getmore_failpoint()
	+{
	+ $serverVersion = get_server_version(URI);
	+
	+ if (version_compare($serverVersion, '4.0', '<')) {
	+ exit("skip Server version '$serverVersion' does not support a getMore failpoint'");
	+ }
	+}
	+
	+function skip_if_no_failcommand_failpoint()
	+{
	+ skip_if_test_commands_disabled();
	+
	+ $serverVersion = get_server_version(URI);
	+
	+ if (is_mongos(URI) && version_compare($serverVersion, '4.1.8', '<')) {
	+ exit("skip mongos version '$serverVersion' does not support 'failCommand' failpoint'");
	+ } elseif (version_compare($serverVersion, '4.0', '<')) {
	+ exit("skip mongod version '$serverVersion' does not support 'failCommand' failpoint'");
	+ }
	+}
	+
	+function skip_if_no_mongo_orchestration()
	+{
	+ $ctx = stream_context_create(['http' => ['timeout' => 0.5]]);
	+ $result = @file_get_contents(MONGO_ORCHESTRATION_URI, false, $ctx);
	+
	+ /* Note: file_get_contents emits an E_WARNING on failure, which will be
	+ * caught by the error handler in basic-skipif.inc. In that case, this may
	+ * never be reached. */
	+ if ($result === false) {
	+ exit("skip mongo-orchestration is not accessible: '" . MONGO_ORCHESTRATION_URI . "'");
	+ }
	+}
	+
	+function skip_if_appveyor()
	+{
	+ if (getenv('APPVEYOR')) {
	+ exit('skip Test cannot be run on AppVeyor');
	+ }
	+}
	diff --git a/mongodb-1.13.0/tests/utils/tools.php b/mongodb-1.13.0/tests/utils/tools.php
	new file mode 100644
	index 00000000..bf7184e3
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/utils/tools.php
	@@ -0,0 +1,847 @@
	+<?php
	+
	+use MongoDB\Driver\BulkWrite;
	+use MongoDB\Driver\Command;
	+use MongoDB\Driver\Manager;
	+use MongoDB\Driver\ReadPreference;
	+use MongoDB\Driver\Server;
	+use MongoDB\Driver\ServerApi;
	+use MongoDB\Driver\WriteConcern;
	+use MongoDB\Driver\WriteConcernError;
	+use MongoDB\Driver\WriteError;
	+use MongoDB\Driver\WriteResult;
	+use MongoDB\Driver\Exception\ConnectionException;
	+use MongoDB\Driver\Exception\RuntimeException;
	+
	+/**
	+ * Appends an option to a URI string and returns a new URI.
	+ *
	+ * @param string $uri
	+ * @param string $option
	+ * @param string $value
	+ * @return string
	+ */
	+function append_uri_option($uri, $option)
	+{
	+ // Append to existing query string
	+ if (strpos($uri, '?') !== false) {
	+ return $uri . '&' . $option;
	+ }
	+
	+ // Terminate host list and append new query string
	+ if (parse_url($uri, PHP_URL_PATH) === null) {
	+ return $uri . '/?' . $option;
	+ }
	+
	+ // Append query string after terminated host list and possible auth database
	+ return $uri . '?' . $option;
	+}
	+
	+/**
	+ * Drops a collection on the primary server.
	+ *
	+ * @param string $uri Connection string
	+ * @param string $databaseName Database name
	+ * @param string $collectionName Collection name
	+ * @throws RuntimeException
	+ */
	+function drop_collection($uri, $databaseName, $collectionName)
	+{
	+ $server = get_primary_server($uri);
	+ $command = new Command(['drop' => $collectionName]);
	+
	+ try {
	+ /* Unless we are dropping a collection within the "local" database,
	+ * which does not support a write concern, we need to use w:majority due
	+ * to the issue explained in SERVER-35613: "drop" uses a two phase
	+ * commit, and due to that, it is possible that a lock can't be acquired
	+ * for a transaction that gets quickly started as the "drop" reaper
	+ * hasn't completed yet. */
	+ $wc = $databaseName === 'local' ? new WriteConcern(1) : new WriteConcern(WriteConcern::MAJORITY);
	+
	+ $server->executeCommand(
	+ $databaseName,
	+ $command,
	+ ['writeConcern' => $wc]
	+ );
	+ } catch (RuntimeException $e) {
	+ if ($e->getMessage() !== 'ns not found') {
	+ throw $e;
	+ }
	+ }
	+}
	+
	+/**
	+ * Returns the value of a module row from phpinfo(), or null if it's not found.
	+ *
	+ * @param string $row
	+ * @return string\|null
	+ */
	+function get_module_info($row)
	+{
	+ ob_start();
	+ phpinfo(INFO_MODULES);
	+ $info = ob_get_clean();
	+
	+ $pattern = sprintf('/^%s([\w ]+)$/m', preg_quote($row . ' => '));
	+
	+ if (preg_match($pattern, $info, $matches) !== 1) {
	+ return null;
	+ }
	+
	+ return $matches[1];
	+}
	+
	+function create_test_manager(string $uri = null, array $options = [], array $driverOptions = [])
	+{
	+ if (getenv('API_VERSION') && ! isset($driverOptions['serverApi'])) {
	+ $driverOptions['serverApi'] = new ServerApi(getenv('API_VERSION'));
	+ }
	+
	+ return new Manager($uri ?? URI, $options, $driverOptions);
	+}
	+
	+/**
	+ * Returns the primary server.
	+ *
	+ * @param string $uri Connection string
	+ * @return Server
	+ * @throws ConnectionException
	+ */
	+function get_primary_server($uri)
	+{
	+ return create_test_manager($uri)->selectServer(new ReadPreference('primary'));
	+}
	+
	+/**
	+ * Returns a secondary server.
	+ *
	+ * @param string $uri Connection string
	+ * @return Server
	+ * @throws ConnectionException
	+ */
	+function get_secondary_server($uri)
	+{
	+ return create_test_manager($uri)->selectServer(new ReadPreference('secondary'));
	+}
	+
	+/**
	+ * Runs a command and returns whether an exception was thrown or not
	+ *
	+ * @param string $uri Connection string
	+ * @param array\|object $commandSpec
	+ * @return bool
	+ * @throws RuntimeException
	+ */
	+function command_works($uri, $commandSpec)
	+{
	+ $command = new Command($commandSpec);
	+ $server = get_primary_server($uri);
	+ try {
	+ $cursor = $server->executeCommand('admin', $command);
	+ return true;
	+ } catch (Exception $e) {
	+ return false;
	+ }
	+}
	+
	+/**
	+ * Returns a parameter of the primary server.
	+ *
	+ * @param string $uri Connection string
	+ * @return mixed
	+ * @throws RuntimeException
	+ */
	+function get_server_parameter($uri, $parameter)
	+{
	+ $server = get_primary_server($uri);
	+ $command = new Command(['getParameter' => 1, $parameter => 1]);
	+ $cursor = $server->executeCommand('admin', $command);
	+
	+ return current($cursor->toArray())->$parameter;
	+}
	+
	+/**
	+ * Returns the storage engine of the primary server.
	+ *
	+ * @param string $uri Connection string
	+ * @return string
	+ * @throws RuntimeException
	+ */
	+function get_server_storage_engine($uri)
	+{
	+ $server = get_primary_server($uri);
	+ $command = new Command(['serverStatus' => 1]);
	+ $cursor = $server->executeCommand('admin', $command);
	+
	+ return current($cursor->toArray())->storageEngine->name;
	+}
	+
	+/**
	+ * Helper to return the version of a specific server.
	+ *
	+ * @param Server $server
	+ * @return string
	+ * @throws RuntimeException
	+ */
	+function get_server_version_from_server(Server $server)
	+{
	+ $command = new Command(['buildInfo' => 1]);
	+ $cursor = $server->executeCommand('admin', $command);
	+
	+ return current($cursor->toArray())->version;
	+}
	+
	+/**
	+ * Returns the version of the primary server.
	+ *
	+ * @param string $uri Connection string
	+ * @return string
	+ * @throws RuntimeException
	+ */
	+function get_server_version($uri)
	+{
	+ $server = get_primary_server($uri);
	+ return get_server_version_from_server($server);
	+}
	+
	+/**
	+ * Returns the value of a URI option, or null if it's not found.
	+ *
	+ * @param string $uri
	+ * @return string\|null
	+ */
	+function get_uri_option($uri, $option)
	+{
	+ $pattern = sprintf('/[?&]%s=([^&]+)/i', preg_quote($option));
	+
	+ if (preg_match($pattern, $uri, $matches) !== 1) {
	+ return null;
	+ }
	+
	+ return $matches[1];
	+}
	+
	+/**
	+ * Checks that the topology is load balanced.
	+ *
	+ * @param string $uri
	+ * @return boolean
	+ */
	+function is_load_balanced($uri)
	+{
	+ return get_primary_server($uri)->getType() === Server::TYPE_LOAD_BALANCER;
	+}
	+
	+/**
	+ * Checks that the topology is a sharded cluster.
	+ *
	+ * @param string $uri
	+ * @return boolean
	+ */
	+function is_mongos($uri)
	+{
	+ return get_primary_server($uri)->getType() === Server::TYPE_MONGOS;
	+}
	+
	+/**
	+ * Checks that the topology is a sharded cluster using a replica set.
	+ *
	+ * Note: only the first shard is checked.
	+ */
	+function is_sharded_cluster_with_replica_set($uri)
	+{
	+ $server = get_primary_server($uri);
	+
	+ if ($server->getType() !== Server::TYPE_MONGOS && $server->getType() !== Server::TYPE_LOAD_BALANCER) {
	+ return false;
	+ }
	+
	+ $cursor = $server->executeQuery('config.shards', new \MongoDB\Driver\Query([], ['limit' => 1]));
	+ $cursor->setTypeMap(['root' => 'array', 'document' => 'array']);
	+ $document = current($cursor->toArray());
	+
	+ if (! $document) {
	+ return false;
	+ }
	+
	+ /**
	+ * Use regular expression to distinguish between standalone or replicaset:
	+ * Without a replicaset: "host" : "localhost:4100"
	+ * With a replicaset: "host" : "dec6d8a7-9bc1-4c0e-960c-615f860b956f/localhost:4400,localhost:4401"
	+ */
	+ return preg_match('@^./.:\d+@', $document['host']);
	+}
	+
	+/**
	+ * Checks that the topology is a replica set.
	+ *
	+ * @param string $uri
	+ * @return boolean
	+ */
	+function is_replica_set($uri)
	+{
	+ if (get_primary_server($uri)->getType() !== Server::TYPE_RS_PRIMARY) {
	+ return false;
	+ }
	+
	+ /* Note: this may return a false negative if replicaSet is specified through
	+ * a TXT record for a mongodb+srv connection string. */
	+ if (get_uri_option($uri, 'replicaSet') === NULL) {
	+ return false;
	+ }
	+
	+ return true;
	+}
	+
	+/**
	+ * Checks if the connection string uses authentication.
	+ *
	+ * @param string $uri
	+ * @return boolean
	+ */
	+function is_auth($uri)
	+{
	+ if (stripos($uri, 'authmechanism=') !== false) {
	+ return true;
	+ }
	+
	+ if (strpos($uri, ':') !== false && strpos($uri, '@') !== false) {
	+ return true;
	+ }
	+
	+ return false;
	+}
	+
	+/**
	+ * Checks if the connection string uses SSL.
	+ *
	+ * @param string $uri
	+ * @return boolean
	+ */
	+function is_ssl($uri)
	+{
	+ return stripos($uri, 'ssl=true') !== false \|\| stripos($uri, 'tls=true') !== false;
	+}
	+
	+/**
	+ * Checks that the topology is a standalone.
	+ *
	+ * @param string $uri
	+ * @return boolean
	+ */
	+function is_standalone($uri)
	+{
	+ return get_primary_server($uri)->getType() === Server::TYPE_STANDALONE;
	+}
	+
	+/**
	+ * Converts the server type constant to a string.
	+ *
	+ * @see http://php.net/manual/en/class.mongodb-driver-server.php
	+ * @param integer $type
	+ * @return string
	+ */
	+function server_type_as_string($type)
	+{
	+ switch ($type) {
	+ case Server::TYPE_STANDALONE:
	+ return 'Standalone';
	+ case Server::TYPE_MONGOS:
	+ return 'Mongos';
	+ case Server::TYPE_POSSIBLE_PRIMARY:
	+ return 'PossiblePrimary';
	+ case Server::TYPE_RS_PRIMARY:
	+ return 'RSPrimary';
	+ case Server::TYPE_RS_SECONDARY:
	+ return 'RSSecondary';
	+ case Server::TYPE_RS_ARBITER:
	+ return 'RSArbiter';
	+ case Server::TYPE_RS_OTHER:
	+ return 'RSOther';
	+ case Server::TYPE_RS_GHOST:
	+ return 'RSGhost';
	+ default:
	+ return 'Unknown';
	+ }
	+}
	+
	+/**
	+ * Converts an errno number to a string.
	+ *
	+ * @see http://php.net/manual/en/errorfunc.constants.php
	+ * @param integer $errno
	+ * @param string
	+ */
	+function errno_as_string($errno)
	+{
	+ $errors = [
	+ 'E_ERROR',
	+ 'E_WARNING',
	+ 'E_PARSE',
	+ 'E_NOTICE',
	+ 'E_CORE_ERROR',
	+ 'E_CORE_WARNING',
	+ 'E_COMPILE_ERROR',
	+ 'E_COMPILE_WARNING',
	+ 'E_USER_ERROR',
	+ 'E_USER_WARNING',
	+ 'E_USER_NOTICE',
	+ 'E_STRICT',
	+ 'E_RECOVERABLE_ERROR',
	+ 'E_DEPRECATED',
	+ 'E_USER_DEPRECATED',
	+ 'E_ALL',
	+ ];
	+
	+ foreach ($errors as $error) {
	+ if ($errno === constant($error)) {
	+ return $error;
	+ }
	+ }
	+
	+ return 'Unknown';
	+}
	+
	+/**
	+ * Prints a traditional hex dump of byte values and printable characters.
	+ *
	+ * @see http://stackoverflow.com/a/4225813/162228
	+ * @param string $data Binary data
	+ * @param integer $width Bytes displayed per line
	+ */
	+function hex_dump($data, $width = 16)
	+{
	+ static $pad = '.'; // Placeholder for non-printable characters
	+ static $from = '';
	+ static $to = '';
	+
	+ if ($from === '') {
	+ for ($i = 0; $i <= 0xFF; $i++) {
	+ $from .= chr($i);
	+ $to .= ($i >= 0x20 && $i <= 0x7E) ? chr($i) : $pad;
	+ }
	+ }
	+
	+ $hex = str_split(bin2hex($data), $width * 2);
	+ $chars = str_split(strtr($data, $from, $to), $width);
	+
	+ $offset = 0;
	+ $length = $width * 3;
	+
	+ foreach ($hex as $i => $line) {
	+ printf("%6X : %-{$length}s [%s]\n", $offset, implode(' ', str_split($line, 2)), $chars[$i]);
	+ $offset += $width;
	+ }
	+}
	+
	+/**
	+ * Canonicalizes a JSON string.
	+ *
	+ * @param string $json
	+ * @return string
	+ */
	+function json_canonicalize($json)
	+{
	+ $json = json_encode(json_decode($json));
	+
	+ /* Versions of PHP before 7.1 replace empty JSON keys with "_empty_" when
	+ * decoding to a stdClass (see: https://bugs.php.net/bug.php?id=46600). Work
	+ * around this by replacing "_empty_" keys before returning.
	+ */
	+ $json = str_replace('"_empty_":', '"":', $json);
	+
	+ /* Canonicalize string values for $numberDouble to ensure they are converted
	+ * the same as number literals in legacy and relaxed output. This is needed
	+ * because the printf format in _bson_as_json_visit_double uses a high level
	+ * of precision and may not produce the exponent notation expected by the
	+ * BSON corpus tests. */
	+ $json = preg_replace_callback(
	+ '/{"\$numberDouble":"(-?\d+(\.\d+([eE]\+\d+)?)?)"}/',
	+ function ($matches) {
	+ return '{"$numberDouble":"' . json_encode(json_decode($matches[1])) . '"}';
	+ },
	+ $json
	+ );
	+
	+ return $json;
	+}
	+
	+/**
	+ * Return a collection name to use for the test file.
	+ *
	+ * The filename will be stripped of the base path to the test suite (prefix) as
	+ * well as the PHP file extension (suffix). Special characters (including hyphen
	+ * for shell compatibility) will be replaced with underscores.
	+ *
	+ * @param string $filename
	+ * @return string
	+ */
	+function makeCollectionNameFromFilename($filename)
	+{
	+ $filename = realpath($filename);
	+ $prefix = realpath(dirname(__FILE__) . '/..') . DIRECTORY_SEPARATOR;
	+
	+ $replacements = array(
	+ // Strip test path prefix
	+ sprintf('/^%s/', preg_quote($prefix, '/')) => '',
	+ // Strip file extension suffix
	+ '/\.php$/' => '',
	+ // SKIPIFs add ".skip" between base name and extension
	+ '/\.skip$/' => '',
	+ // Replace special characters with underscores
	+ sprintf('/[%s]/', preg_quote('-$/\\', '/')) => '_',
	+ );
	+
	+ return preg_replace(array_keys($replacements), array_values($replacements), $filename);
	+}
	+
	+function NEEDS($configuration) {
	+ if (!constant($configuration)) {
	+ exit("skip -- need '$configuration' defined");
	+ }
	+}
	+function SLOW() {
	+ if (getenv("SKIP_SLOW_TESTS")) {
	+ exit("skip SKIP_SLOW_TESTS");
	+ }
	+}
	+
	+function loadFixtures(Manager $manager, $dbname = DATABASE_NAME, $collname = COLLECTION_NAME, $filename = null)
	+{
	+ if (!$filename) {
	+ $filename = "compress.zlib://" . __DIR__ . "/" . "PHONGO-FIXTURES.json.gz";
	+ }
	+
	+ $bulk = new BulkWrite(['ordered' => false]);
	+
	+ $server = $manager->selectServer(new ReadPreference(ReadPreference::RP_PRIMARY));
	+
	+ $data = file_get_contents($filename);
	+ $array = json_decode($data);
	+
	+ foreach($array as $document) {
	+ $bulk->insert($document);
	+ }
	+
	+ $retval = $server->executeBulkWrite("$dbname.$collname", $bulk);
	+
	+ if ($retval->getInsertedCount() !== count($array)) {
	+ exit(sprintf('skip Fixtures were not loaded (expected: %d, actual: %d)', $total, $retval->getInsertedCount()));
	+ }
	+}
	+
	+function createTemporaryMongoInstance(array $options = [])
	+{
	+ $id = 'mo_' . COLLECTION_NAME;
	+ $options += [
	+ "name" => "mongod",
	+ "id" => $id,
	+ 'procParams' => [
	+ 'logpath' => "/tmp/MO/phongo/{$id}.log",
	+ 'ipv6' => true,
	+ 'setParameter' => [ 'enableTestCommands' => 1 ],
	+ ],
	+ ];
	+ $opts = array(
	+ "http" => array(
	+ "timeout" => 60,
	+ "method" => "PUT",
	+ "header" => "Accept: application/json\r\n" .
	+ "Content-type: application/x-www-form-urlencoded",
	+ "content" => json_encode($options),
	+ "ignore_errors" => true,
	+ ),
	+ );
	+ $ctx = stream_context_create($opts);
	+ $json = file_get_contents(MONGO_ORCHESTRATION_URI . "/servers/$id", false, $ctx);
	+ $result = json_decode($json, true);
	+
	+ /* Failed -- or was already started */
	+ if (!isset($result["mongodb_uri"])) {
	+ destroyTemporaryMongoInstance($id);
	+ throw new Exception("Could not start temporary server instance\n");
	+ } else {
	+ return $result['mongodb_uri'];
	+ }
	+}
	+
	+function destroyTemporaryMongoInstance($id = NULL)
	+{
	+ if ($id == NULL) {
	+ $id = 'mo_' . COLLECTION_NAME;
	+ }
	+
	+ $opts = array(
	+ "http" => array(
	+ "timeout" => 60,
	+ "method" => "DELETE",
	+ "header" => "Accept: application/json\r\n",
	+ "ignore_errors" => true,
	+ ),
	+ );
	+ $ctx = stream_context_create($opts);
	+ $json = file_get_contents(MONGO_ORCHESTRATION_URI . "/servers/$id", false, $ctx);
	+}
	+
	+/**
	+ * Converts an error level (constant or bitmask) to a string description.
	+ */
	+function severityToString(int $severity): string {
	+ static $constants = [
	+ 'E_ERROR' => E_ERROR,
	+ 'E_WARNING' => E_WARNING,
	+ 'E_PARSE' => E_PARSE,
	+ 'E_NOTICE' => E_NOTICE,
	+ 'E_CORE_ERROR' => E_CORE_ERROR,
	+ 'E_CORE_WARNING' => E_CORE_WARNING,
	+ 'E_COMPILE_ERROR' => E_COMPILE_ERROR,
	+ 'E_COMPILE_WARNING' => E_COMPILE_WARNING,
	+ 'E_USER_ERROR' => E_USER_ERROR,
	+ 'E_USER_WARNING' => E_USER_WARNING,
	+ 'E_USER_NOTICE' => E_USER_NOTICE,
	+ 'E_STRICT' => E_STRICT,
	+ 'E_RECOVERABLE_ERROR' => E_RECOVERABLE_ERROR,
	+ 'E_DEPRECATED' => E_DEPRECATED,
	+ 'E_USER_DEPRECATED' => E_USER_DEPRECATED,
	+ // E_ALL is handled separately
	+ ];
	+
	+ if ($severity === E_ALL) {
	+ return 'E_ALL';
	+ }
	+
	+ foreach ($constants as $constant => $value) {
	+ if ($severity & $value) {
	+ $matches[] = $constant;
	+ }
	+ }
	+
	+ return empty($matches) ? 'UNKNOWN' : implode('\|', $matches);
	+}
	+
	+/**
	+ * Expects the callable to raise an error matching the expected severity, which
	+ * may be a constant or bitmask. May optionally expect the error to be raised
	+ * from a particular function. Returns the message from the raised error or
	+ * exception, or an empty string if neither was thrown.
	+ */
	+function raises(callable $callable, int $expectedSeverity, string $expectedFromFunction = null): string
	+{
	+ set_error_handler(function(int $severity, string $message, string $file, int $line) {
	+ throw new ErrorException($message, 0, $severity, $file, $line);
	+ });
	+
	+ try {
	+ call_user_func($callable);
	+ } catch (ErrorException $e) {
	+ if (!($e->getSeverity() & $expectedSeverity)) {
	+ printf("ALMOST: Got %s - expected %s\n", severityToString($e->getSeverity()), severityToString($expectedSeverity));
	+ return $e->getMessage();
	+ }
	+
	+ if ($expectedFromFunction === null) {
	+ printf("OK: Got %s\n", severityToString($e->getSeverity()));
	+ return $e->getMessage();
	+ }
	+
	+ $fromFunction = $e->getTrace()[0]['function'];
	+
	+ if (strcasecmp($fromFunction, $expectedFromFunction) !== 0) {
	+ printf("ALMOST: Got %s - but was raised from %s, not %s\n", errorLevelToString($e->getSeverity()), $fromFunction, $expectedFromFunction);
	+ return $e->getMessage();
	+ }
	+
	+ printf("OK: Got %s raised from %s\n", severityToString($e->getSeverity()), $fromFunction);
	+ return $e->getMessage();
	+ } catch (Throwable $e) {
	+ printf("ALMOST: Got %s - expected %s\n", get_class($e), ErrorException::class);
	+ return $e->getMessage();
	+ } finally {
	+ restore_error_handler();
	+ }
	+
	+ printf("FAILED: Expected %s, but no error raised!\n", ErrorException::class);
	+ return '';
	+}
	+
	+/**
	+ * Expects the callable to throw an expected exception. May optionally expect
	+ * the exception to be thrown from a particular function. Returns the message
	+ * from the thrown exception, or an empty string if one was not thrown.
	+ */
	+function throws(callable $callable, string $expectedException, string $expectedFromFunction = null): string
	+{
	+ try {
	+ call_user_func($callable);
	+ } catch (Throwable $e) {
	+ if (!($e instanceof $expectedException)) {
	+ printf("ALMOST: Got %s - expected %s\n", get_class($e), $expectedException);
	+ return $e->getMessage();
	+ }
	+
	+ if ($expectedFromFunction === null) {
	+ printf("OK: Got %s\n", $expectedException);
	+ return $e->getMessage();
	+ }
	+
	+ $fromFunction = $e->getTrace()[0]['function'];
	+
	+ if (strcasecmp($fromFunction, $expectedFromFunction) !== 0) {
	+ printf("ALMOST: Got %s - but was thrown from %s, not %s\n", $expectedException, $fromFunction, $expectedFromFunction);
	+ return $e->getMessage();
	+ }
	+
	+ printf("OK: Got %s thrown from %s\n", $expectedException, $fromFunction);
	+ return $e->getMessage();
	+ }
	+
	+ printf("FAILED: Expected %s, but no exception thrown!\n", $expectedException);
	+ return '';
	+}
	+
	+function printServer(Server $server)
	+{
	+ printf("server: %s:%d\n", $server->getHost(), $server->getPort());
	+}
	+
	+function printWriteResult(WriteResult $result, $details = true)
	+{
	+ printServer($result->getServer());
	+
	+ printf("insertedCount: %d\n", $result->getInsertedCount());
	+ printf("matchedCount: %d\n", $result->getMatchedCount());
	+ printf("modifiedCount: %d\n", $result->getModifiedCount());
	+ printf("upsertedCount: %d\n", $result->getUpsertedCount());
	+ printf("deletedCount: %d\n", $result->getDeletedCount());
	+
	+ foreach ($result->getUpsertedIds() as $index => $id) {
	+ printf("upsertedId[%d]: ", $index);
	+ var_dump($id);
	+ }
	+
	+ $writeConcernError = $result->getWriteConcernError();
	+ printWriteConcernError($writeConcernError ? $writeConcernError : null, $details);
	+
	+ foreach ($result->getWriteErrors() as $writeError) {
	+ printWriteError($writeError);
	+ }
	+}
	+
	+function printWriteConcernError(WriteConcernError $error = null, $details)
	+{
	+ if ($error) {
	+ /* This stuff is generated by the server, no need for us to test it */
	+ if (!$details) {
	+ printf("writeConcernError: %s (%d)\n", $error->getMessage(), $error->getCode());
	+ return;
	+ }
	+ var_dump($error);
	+ printf("writeConcernError.message: %s\n", $error->getMessage());
	+ printf("writeConcernError.code: %d\n", $error->getCode());
	+ printf("writeConcernError.info: ");
	+ var_dump($error->getInfo());
	+ }
	+}
	+
	+function printWriteError(WriteError $error)
	+{
	+ var_dump($error);
	+ printf("writeError[%d].message: %s\n", $error->getIndex(), $error->getMessage());
	+ printf("writeError[%d].code: %d\n", $error->getIndex(), $error->getCode());
	+}
	+
	+function getInsertCount($retval) {
	+ return $retval->getInsertedCount();
	+}
	+function getModifiedCount($retval) {
	+ return $retval->getModifiedCount();
	+}
	+function getDeletedCount($retval) {
	+ return $retval->getDeletedCount();
	+}
	+function getUpsertedCount($retval) {
	+ return $retval->getUpsertedCount();
	+}
	+function getWriteErrors($retval) {
	+ return (array)$retval->getWriteErrors();
	+}
	+
	+function def($arr) {
	+ foreach($arr as $const => $value) {
	+ define($const, getenv("PHONGO_TEST_$const") ?: $value);
	+ }
	+}
	+
	+function configureFailPoint(Manager $manager, $failPoint, $mode, array $data = [])
	+{
	+ $doc = [
	+ 'configureFailPoint' => $failPoint,
	+ 'mode' => $mode,
	+ ];
	+ if ($data) {
	+ $doc['data'] = $data;
	+ }
	+
	+ $cmd = new Command($doc);
	+ $manager->executeCommand('admin', $cmd);
	+}
	+
	+function configureTargetedFailPoint(Server $server, $failPoint, $mode, array $data = [])
	+{
	+ $doc = array(
	+ 'configureFailPoint' => $failPoint,
	+ 'mode' => $mode,
	+ );
	+ if ($data) {
	+ $doc['data'] = $data;
	+ }
	+
	+ $cmd = new Command($doc);
	+ $server->executeCommand('admin', $cmd);
	+}
	+
	+function failMaxTimeMS(Server $server)
	+{
	+ configureTargetedFailPoint($server, 'maxTimeAlwaysTimeOut', [ 'times' => 1 ]);
	+}
	+
	+function toPHP($var, $typemap = array()) {
	+ return MongoDB\BSON\toPHP($var, $typemap);
	+}
	+function fromPHP($var) {
	+ return MongoDB\BSON\fromPHP($var);
	+}
	+function toJSON($var) {
	+ return MongoDB\BSON\toJSON($var);
	+}
	+function toCanonicalExtendedJSON($var) {
	+ return MongoDB\BSON\toCanonicalExtendedJSON($var);
	+}
	+function toRelaxedExtendedJSON($var) {
	+ return MongoDB\BSON\toRelaxedExtendedJSON($var);
	+}
	+function fromJSON($var) {
	+ return MongoDB\BSON\fromJSON($var);
	+}
	+
	+/* Note: this fail point may terminate the mongod process, so you may want to
	+ * use this in conjunction with a throwaway server. */
	+function failGetMore(Manager $manager)
	+{
	+ /* We need to do version detection here */
	+ $primary = $manager->selectServer(new ReadPreference('primary'));
	+ $version = get_server_version_from_server($primary);
	+
	+ if (version_compare($version, "4.0", ">=")) {
	+ /* We use 237 here, as that's the same original code that MongoD would
	+ * throw if a cursor had already gone by the time we call getMore. This
	+ * allows us to make things consistent with the getMore OP behaviour
	+ * from previous mongod versions. An errorCode is required here for the
	+ * failPoint to work. */
	+ configureFailPoint($manager, 'failCommand', 'alwaysOn', [ 'errorCode' => 237, 'failCommands' => ['getMore'] ]);
	+ return;
	+ }
	+
	+ throw new Exception("Trying to configure a getMore fail point for a server version ($version) that doesn't support it");
	+}
	diff --git a/mongodb-1.12.0/tests/writeConcern/bug1598-001.phpt b/mongodb-1.13.0/tests/writeConcern/bug1598-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/bug1598-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/bug1598-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/bug1598-002.phpt b/mongodb-1.13.0/tests/writeConcern/bug1598-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/bug1598-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/bug1598-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-003.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-003.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-003.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-004.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-bsonserialize-004.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-bsonserialize-004.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-constants.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-constants.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-constants.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-constants.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-003.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-003.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-003.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-004.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-004.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-004.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-004.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-005.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-005.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-ctor_error-005.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-ctor_error-005.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-debug-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-debug-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-debug-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-debug-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-debug-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-debug-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-debug-003.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-debug-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-debug-003.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-debug-003.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-getjournal-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-getjournal-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-getjournal-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-getjournal-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-getw-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-getw-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-getw-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-getw-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-getwtimeout-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-getwtimeout-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-getwtimeout-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-getwtimeout-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-getwtimeout-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-getwtimeout-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-getwtimeout-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-getwtimeout-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-isdefault-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-isdefault-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-isdefault-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-isdefault-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-serialization-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-serialization-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-serialization-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-serialization-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-serialization-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-serialization-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-serialization-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-serialization-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-serialization_error-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-serialization_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-serialization_error-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-serialization_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-serialization_error-002.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-serialization_error-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-serialization_error-002.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-serialization_error-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-set_state-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-set_state-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-set_state-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-set_state-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-set_state_error-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-set_state_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-set_state_error-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-set_state_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern-var_export-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern-var_export-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern-var_export-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern-var_export-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeConcern/writeconcern_error-001.phpt b/mongodb-1.13.0/tests/writeConcern/writeconcern_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcern/writeconcern_error-001.phpt
	rename to mongodb-1.13.0/tests/writeConcern/writeconcern_error-001.phpt
	diff --git a/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-debug-001.phpt b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-debug-001.phpt
	new file mode 100644
	index 00000000..a164aa8d
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-debug-001.phpt
	@@ -0,0 +1,35 @@
	+--TEST--
	+MongoDB\Driver\WriteConcernError debug output
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+
	+try {
	+ /* We assume that the replica set does not have 12 nodes */
	+ $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	+} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	+ var_dump($e->getWriteResult()->getWriteConcernError());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+object(MongoDB\Driver\WriteConcernError)#%d (%d) {
	+ ["message"]=>
	+ string(29) "Not enough data-bearing nodes"
	+ ["code"]=>
	+ int(100)
	+ ["info"]=>
	+ %A
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getcode-001.phpt b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getcode-001.phpt
	new file mode 100644
	index 00000000..e34dc95a
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getcode-001.phpt
	@@ -0,0 +1,28 @@
	+--TEST--
	+MongoDB\Driver\WriteConcernError::getCode()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+
	+try {
	+ /* We assume that the replica set does not have 12 nodes */
	+ $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	+} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	+ var_dump($e->getWriteResult()->getWriteConcernError()->getCode());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+int(100)
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getinfo-001.phpt b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getinfo-001.phpt
	new file mode 100644
	index 00000000..4abf46a4
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getinfo-001.phpt
	@@ -0,0 +1,64 @@
	+--TEST--
	+MongoDB\Driver\WriteConcernError::getInfo() exposes writeConcernError.errInfo
	+--DESCRIPTION--
	+CRUD spec prose test #1
	+https://github.com/mongodb/specifications/blob/master/source/crud/tests/README.rst#writeconcernerror-details-exposes-writeconcernerror-errinfo
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_no_failcommand_failpoint(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+// Select a specific server for future operations to avoid mongos switching in sharded clusters
	+$server = $manager->selectServer(new MongoDB\Driver\ReadPreference('primary'));
	+
	+configureTargetedFailPoint(
	+ $server,
	+ 'failCommand',
	+ [ 'times' => 1],
	+ [
	+ 'failCommands' => ['insert'],
	+ 'writeConcernError' => [
	+ 'code' => 100,
	+ 'codeName' => 'UnsatisfiableWriteConcern',
	+ 'errmsg' => 'Not enough data-bearing nodes',
	+ 'errInfo' => [
	+ 'writeConcern' => [
	+ 'w' => 2,
	+ 'wtimeout' => 0,
	+ 'provenance' => 'clientSupplied',
	+ ],
	+ ],
	+ ],
	+ ]
	+);
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['_id' => 1]);
	+
	+try {
	+ $server->executeBulkWrite(NS, $bulk);
	+} catch (MongoDB\Driver\Exception\BulkWriteException $e) {
	+ var_dump($e->getWriteResult()->getWriteConcernError()->getInfo());
	+}
	+
	+?>
	+===DONE===
	+--EXPECTF--
	+object(stdClass)#%d (%d) {
	+ ["writeConcern"]=>
	+ object(stdClass)#%d (%d) {
	+ ["w"]=>
	+ int(2)
	+ ["wtimeout"]=>
	+ int(0)
	+ ["provenance"]=>
	+ string(14) "clientSupplied"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getmessage-001.phpt b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getmessage-001.phpt
	new file mode 100644
	index 00000000..4f578ac3
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror-getmessage-001.phpt
	@@ -0,0 +1,28 @@
	+--TEST--
	+MongoDB\Driver\WriteConcernError::getMessage()
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_replica_set(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+$bulk->insert(['x' => 1]);
	+
	+try {
	+ /* We assume that the replica set does not have 12 nodes */
	+ $manager->executeBulkWrite(NS, $bulk, new MongoDB\Driver\WriteConcern(12));
	+} catch(MongoDB\Driver\Exception\BulkWriteException $e) {
	+ var_dump($e->getWriteResult()->getWriteConcernError()->getMessage());
	+}
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECT--
	+string(29) "Not enough data-bearing nodes"
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/writeConcernError/writeconcernerror_error-001.phpt b/mongodb-1.13.0/tests/writeConcernError/writeconcernerror_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeConcernError/writeconcernerror_error-001.phpt
	rename to mongodb-1.13.0/tests/writeConcernError/writeconcernerror_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror-debug-001.phpt b/mongodb-1.13.0/tests/writeError/writeerror-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror-debug-001.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror-getCode-001.phpt b/mongodb-1.13.0/tests/writeError/writeerror-getCode-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror-getCode-001.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror-getCode-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror-getIndex-001.phpt b/mongodb-1.13.0/tests/writeError/writeerror-getIndex-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror-getIndex-001.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror-getIndex-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror-getInfo-001.phpt b/mongodb-1.13.0/tests/writeError/writeerror-getInfo-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror-getInfo-001.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror-getInfo-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror-getInfo-002.phpt b/mongodb-1.13.0/tests/writeError/writeerror-getInfo-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror-getInfo-002.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror-getInfo-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror-getMessage-001.phpt b/mongodb-1.13.0/tests/writeError/writeerror-getMessage-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror-getMessage-001.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror-getMessage-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeError/writeerror_error-001.phpt b/mongodb-1.13.0/tests/writeError/writeerror_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeError/writeerror_error-001.phpt
	rename to mongodb-1.13.0/tests/writeError/writeerror_error-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/bug0671-003.phpt b/mongodb-1.13.0/tests/writeResult/bug0671-003.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/bug0671-003.phpt
	rename to mongodb-1.13.0/tests/writeResult/bug0671-003.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-debug-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-debug-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-debug-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-debug-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-debug-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-debug-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-debug-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-debug-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getdeletedcount-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getdeletedcount-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getdeletedcount-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getdeletedcount-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getdeletedcount-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getdeletedcount-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getdeletedcount-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getdeletedcount-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getinsertedcount-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getinsertedcount-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getinsertedcount-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getinsertedcount-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getinsertedcount-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getinsertedcount-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getinsertedcount-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getinsertedcount-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getmatchedcount-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getmatchedcount-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getmatchedcount-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getmatchedcount-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getmatchedcount-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getmatchedcount-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getmatchedcount-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getmatchedcount-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getmodifiedcount-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getmodifiedcount-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getmodifiedcount-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getmodifiedcount-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getmodifiedcount-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getmodifiedcount-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getmodifiedcount-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getmodifiedcount-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getserver-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getserver-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getserver-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getserver-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getupsertedcount-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getupsertedcount-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getupsertedcount-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getupsertedcount-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getupsertedcount-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getupsertedcount-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getupsertedcount-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getupsertedcount-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getupsertedids-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getupsertedids-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getupsertedids-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getupsertedids-001.phpt
	diff --git a/mongodb-1.13.0/tests/writeResult/writeresult-getupsertedids-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getupsertedids-002.phpt
	new file mode 100644
	index 00000000..786fa095
	--- /dev/null
	+++ b/mongodb-1.13.0/tests/writeResult/writeresult-getupsertedids-002.phpt
	@@ -0,0 +1,104 @@
	+--TEST--
	+MongoDB\Driver\WriteResult::getUpsertedIds() with client-generated values
	+--SKIPIF--
	+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	+<?php skip_if_not_live(); ?>
	+<?php skip_if_not_clean(); ?>
	+--FILE--
	+<?php
	+require_once __DIR__ . "/../utils/basic.inc";
	+
	+/* Do not test array or Regex types, which are not permitted to be used as an
	+ * ID. If a regular expression is used in upsert criteria and does not match an
	+ * existing document, the server generates a new ObjectId. */
	+$tests = [
	+ null,
	+ true,
	+ 1,
	+ 4.125,
	+ 'foo',
	+ (object) [],
	+ new MongoDB\BSON\Binary('foo', MongoDB\BSON\Binary::TYPE_GENERIC),
	+ new MongoDB\BSON\Decimal128('1234.5678'),
	+ new MongoDB\BSON\Javascript('function(){}'),
	+ new MongoDB\BSON\MaxKey,
	+ new MongoDB\BSON\MinKey,
	+ new MongoDB\BSON\ObjectId('586c18d86118fd6c9012dec1'),
	+ new MongoDB\BSON\Timestamp(1234, 5678),
	+ new MongoDB\BSON\UTCDateTime('1483479256924'),
	+];
	+
	+$manager = create_test_manager();
	+
	+$bulk = new MongoDB\Driver\BulkWrite;
	+
	+foreach ($tests as $value) {
	+ $bulk->update(['_id' => $value], ['$set' => ['x' => 1]], ['upsert' => true]);
	+}
	+
	+$result = $manager->executeBulkWrite(NS, $bulk);
	+
	+var_dump($result->getUpsertedIds());
	+
	+?>
	+===DONE===
	+<?php exit(0); ?>
	+--EXPECTF--
	+array(14) {
	+ [0]=>
	+ NULL
	+ [1]=>
	+ bool(true)
	+ [2]=>
	+ int(1)
	+ [3]=>
	+ float(4.125)
	+ [4]=>
	+ string(3) "foo"
	+ [5]=>
	+ object(stdClass)#%d (%d) {
	+ }
	+ [6]=>
	+ object(MongoDB\BSON\Binary)#%d (%d) {
	+ ["data"]=>
	+ string(3) "foo"
	+ ["type"]=>
	+ int(0)
	+ }
	+ [7]=>
	+ object(MongoDB\BSON\Decimal128)#%d (%d) {
	+ ["dec"]=>
	+ string(9) "1234.5678"
	+ }
	+ [8]=>
	+ object(MongoDB\BSON\Javascript)#%d (%d) {
	+ ["code"]=>
	+ string(12) "function(){}"
	+ ["scope"]=>
	+ NULL
	+ }
	+ [9]=>
	+ object(MongoDB\BSON\MaxKey)#%d (%d) {
	+ }
	+ [10]=>
	+ object(MongoDB\BSON\MinKey)#%d (%d) {
	+ }
	+ [11]=>
	+ object(MongoDB\BSON\ObjectId)#%d (%d) {
	+ ["oid"]=>
	+ string(24) "586c18d86118fd6c9012dec1"
	+ }
	+ [12]=>
	+ object(MongoDB\BSON\Timestamp)#%d (%d) {
	+ ["increment"]=>
	+ string(4) "1234"
	+ ["timestamp"]=>
	+ string(4) "5678"
	+ }
	+ [13]=>
	+ object(MongoDB\BSON\UTCDateTime)#%d (%d) {
	+ ["milliseconds"]=>
	+ string(13) "1483479256924"
	+ }
	+}
	+===DONE===
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getwriteconcernerror-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getwriteconcernerror-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getwriteconcernerror-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getwriteconcernerror-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getwriteerrors-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getwriteerrors-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getwriteerrors-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getwriteerrors-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-getwriteerrors-002.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-getwriteerrors-002.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-getwriteerrors-002.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-getwriteerrors-002.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult-isacknowledged-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult-isacknowledged-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult-isacknowledged-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult-isacknowledged-001.phpt
	diff --git a/mongodb-1.12.0/tests/writeResult/writeresult_error-001.phpt b/mongodb-1.13.0/tests/writeResult/writeresult_error-001.phpt
	similarity index 100%
	rename from mongodb-1.12.0/tests/writeResult/writeresult_error-001.phpt
	rename to mongodb-1.13.0/tests/writeResult/writeresult_error-001.phpt
	diff --git a/package.xml b/package.xml
	index 519454fe..60897217 100644
	--- a/package.xml
	+++ b/package.xml
	@@ -1,2769 +1,2863 @@
	<?xml version="1.0" encoding="UTF-8"?>
	-<package packagerversion="1.10.12" version="2.1" xmlns="http://pear.php.net/dtd/package-2.1" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.1 http://pear.php.net/dtd/package-2.1.xsd">
	+<package packagerversion="1.10.13" version="2.1" xmlns="http://pear.php.net/dtd/package-2.1" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.1 http://pear.php.net/dtd/package-2.1.xsd">
	<name>mongodb</name>
	<channel>pecl.php.net</channel>
	<summary>MongoDB driver for PHP</summary>
	<description>The purpose of this driver is to provide exceptionally thin glue between MongoDB
	and PHP, implementing only fundamental and performance-critical components
	necessary to build a fully-functional MongoDB driver.</description>
	<lead>
	<name>Andreas Braun</name>
	<user>alcaeus</user>
	<email>alcaeus@php.net</email>
	<active>yes</active>
	</lead>
	<lead>
	<name>Jeremy Mikola</name>
	<user>jmikola</user>
	<email>jmikola@php.net</email>
	<active>yes</active>
	</lead>
	<lead>
	<name>Derick Rethans</name>
	<user>derick</user>
	<email>derick@php.net</email>
	<active>no</active>
	</lead>
	<lead>
	<name>Hannes Magnusson</name>
	<user>bjori</user>
	<email>bjori@php.net</email>
	<active>no</active>
	</lead>
	<developer>
	<name>Katherine Walker</name>
	<user>kvwalker</user>
	<email>kvwalker@php.net</email>
	<active>no</active>
	</developer>
	- <date>2021-12-14</date>
	- <time>22:17:56</time>
	+ <date>2022-03-23</date>
	+ <time>16:49:06</time>
	<version>
	- <release>1.12.0</release>
	- <api>1.12.0</api>
	+ <release>1.13.0</release>
	+ <api>1.13.0</api>
	</version>
	<stability>
	<release>stable</release>
	<api>stable</api>
	</stability>
	<license uri="http://www.apache.org/licenses/LICENSE-2.0">Apache License</license>
	<notes>
	+** Bug
	+ * [PHPC-2013] - RHEL 7.0 and 7.1 builds fail due to incompatible pointer warnings
	+ * [PHPC-2020] - Validate loadBalanced URI array option
	+
	** Epic
	- * [PHPC-1850] - Support PHP 8.1
	- * [PHPC-1912] - CSFLE 1.0 KMIP Support
	+ * [PHPC-1150] - Support SDAM Monitoring

	** New Feature
	- * [PHPC-2009] - Support tlsOptions encryption option
	+ * [PHPC-1805] - Implement ServerDescription class
	+ * [PHPC-1891] - Implement TopologyDescription class
	+ * [PHPC-1892] - Define SDAMSubscriber interface
	+ * [PHPC-1893] - Define SDAM event classes
	+ * [PHPC-1900] - Allow custom service names with srvServiceName URI option
	+ * [PHPC-1908] - Allow limiting mongos servers with srvMaxHosts option

	** Task
	- * [PHPC-1878] - Unexpected primary step down when testing on MongoDB latest
	- * [PHPC-1880] - Drop support for PHP 7.1
	- * [PHPC-1931] - Add PHP 8.1 to PHP toolchain
	- * [PHPC-1997] - Update calls to deprecated bson_atomic_int_add function
	- * [PHPC-2011] - Upgrade libmongoc to 1.20.0 and libmongocrypt to 1.3.0
	+ * [PHPC-1342] - Add documentation warning against the use of duplicate key names
	+ * [PHPC-1909] - Set minWireVersion to 6 (MongoDB 3.6)
	+ * [PHPC-1953] - Create tests for event object debug handlers
	+ * [PHPC-1958] - Ensure that getTopologyId() gives the same result for all SDAM events
	+ * [PHPC-1959] - Change SDAM event tests to use Manager::addSubscriber()
	+ * [PHPC-1973] - Bump maxWireVersion to 14 for MongoDB 5.1
	+ * [PHPC-2008] - writeresult-getserver-002 fails to drop collection in local db on replicaset-auth
	+ * [PHPC-2012] - Remove extra AX_CHECK_COMPILE_FLAG args
	+ * [PHPC-2019] - Remove Solaris checks in m4 build scripts
	+ * [PHPC-2022] - Use mongoc_host_list in event structs
	+ * [PHPC-2023] - Allow observation of TopologyClosedEvent
	+ * [PHPC-2028] - Replace PHONGO_ALLOC_OBJECT_T macro with zend_object_alloc
	+ * [PHPC-2031] - Upgrade libmongoc to 1.21.1 and libmongocrypt to 1.3.2
	+ * [PHPC-2034] - Bump maxWireVersion for MongoDB 5.2
	+ * [PHPC-2036] - Remove outdated prose test in causal consistency spec
	+ * [PHPC-2037] - Remove vim modeline comments
	+ * [PHPC-2038] - Initialize zval in phongo_clientencryption_init
	+ * [PHPC-2039] - Remove disabled debugging code in bson.c
	+ * [PHPC-2040] - Break down php_phongo.c into smaller files
	+ * [PHPC-2042] - Remove conditional win32/time.h include in UTCDateTime.c
	+ * [PHPC-2047] - Update load balancer tests to support dedicated load balancer port
	+ * [PHPC-2073] - Remove test environments and checks for pre-3.6 server versions
	+ * [PHPC-2074] - Clarify in contributing docs that mongo-orchestration is not required to run tests

	** Improvement
	- * [PHPC-1942] - Support BSON Binary subtype 0x07 (column)
	- * [PHPC-2004] - Specify string return type in __toString() arginfos
	- * [PHPC-2007] - Explicitly implement Stringable for PHP 8+
	- * [PHPC-2010] - Type validation for autoEncryption.extraOptions
	+ * [PHPC-1647] - Defer to libmongoc for cross-option URI validation
	+ * [PHPC-1910] - Implement Server::getServerDescription
	+ * [PHPC-1925] - ServerDescription::getType() should return a string
	+ * [PHPC-1934] - Check for uninitialized intern in ServerDescription get_properties_hash
	+ * [PHPC-1950] - Lift restriction on authSource without credentials when set in URI options array
	+ * [PHPC-2003] - Expose whether a client session is dirty
	+ * [PHPC-2025] - Support load balancer in ServerDescription and TopologyDescription
	+ * [PHPC-2026] - Warn if ServerDescription::getLastUpdateTime() must be truncated
	+ * [PHPC-2030] - Allow observation of commands issued during mongoc_client_destroy()
	+ * [PHPC-2032] - Report more concise debug info for ended sessions
	</notes>
	<contents>
	<dir name="/">
	<file md5sum="c78c5e9b49b67a725e831823492642da" name="scripts/autotools/libbson/CheckAtomics.m4" role="src" />
	<file md5sum="24efc529aa9f2b40d80cbec3bb635d01" name="scripts/autotools/libbson/CheckHeaders.m4" role="src" />
	<file md5sum="fcce6a6a1e782b4482a50b18f78a2114" name="scripts/autotools/libbson/Endian.m4" role="src" />
	- <file md5sum="f1678968409f821893deb37ce58de6ee" name="scripts/autotools/libbson/FindDependencies.m4" role="src" />
	+ <file md5sum="422e66c86688aa02db4c6d98378aa0e2" name="scripts/autotools/libbson/FindDependencies.m4" role="src" />
	<file md5sum="0ea5922bfcf826e14a5f3c0a5563e410" name="scripts/autotools/libbson/Versions.m4" role="src" />
	- <file md5sum="8ad59ded5a1ccc434742345553373cfd" name="scripts/autotools/libmongoc/CheckCompression.m4" role="src" />
	+ <file md5sum="796238ff21022249fc485a8eb53be09e" name="scripts/autotools/libmongoc/CheckCompression.m4" role="src" />
	<file md5sum="96ddbeccbaa3c00f367810f56df074e4" name="scripts/autotools/libmongoc/CheckICU.m4" role="src" />
	<file md5sum="79ffd99afdc875d93f016f693b787468" name="scripts/autotools/libmongoc/CheckResolv.m4" role="src" />
	<file md5sum="1402931faf1e48f2159acbb7f0a36452" name="scripts/autotools/libmongoc/CheckSSL.m4" role="src" />
	<file md5sum="39e1c1663469b0d6222b6babd183fb40" name="scripts/autotools/libmongoc/CheckSasl.m4" role="src" />
	- <file md5sum="416b3bbfdd1ade68dd3f8ec1ceda5186" name="scripts/autotools/libmongoc/FindDependencies.m4" role="src" />
	- <file md5sum="bba9dc2de93bdadc29dc0927676161c7" name="scripts/autotools/libmongoc/PlatformFlags.m4" role="src" />
	+ <file md5sum="2d7d36844c77bceb9da76b448455353d" name="scripts/autotools/libmongoc/FindDependencies.m4" role="src" />
	+ <file md5sum="d429836468174085140a6958c5926402" name="scripts/autotools/libmongoc/PlatformFlags.m4" role="src" />
	<file md5sum="08214982201e2c7805b62a3a4ca915a6" name="scripts/autotools/libmongoc/Versions.m4" role="src" />
	<file md5sum="76e2c1a2aa19f5fab3661c992ac603fa" name="scripts/autotools/libmongoc/WeakSymbols.m4" role="src" />
	<file md5sum="906a71d7858713742f5febc043b9b51b" name="scripts/autotools/libmongocrypt/CheckSSL.m4" role="src" />
	<file md5sum="59f94718c53faf3661bf1a9aadb2991e" name="scripts/autotools/libmongocrypt/Endian.m4" role="src" />
	<file md5sum="471ed55586aaeef30e1d54a235133735" name="scripts/autotools/libmongocrypt/Version.m4" role="src" />
	<file md5sum="0091c30d8927966e5ba54ce90b62bf6e" name="scripts/autotools/m4/as_var_copy.m4" role="src" />
	<file md5sum="8d942f69b5f3c15ecae4b75bb7e80614" name="scripts/autotools/m4/ax_check_compile_flag.m4" role="src" />
	<file md5sum="c2221efd4309e58ff7e2ef989c8e8ac4" name="scripts/autotools/m4/ax_prototype.m4" role="src" />
	<file md5sum="b5114dfcf027b0f9a47b6e6841015be6" name="scripts/autotools/m4/ax_pthread.m4" role="src" />
	<file md5sum="01a9faee79ca2be030b72f2046976b09" name="scripts/autotools/m4/php_mongodb.m4" role="src" />
	<file md5sum="ad8d52d54e0f97c0e4e385376ea73bc0" name="scripts/autotools/m4/pkg.m4" role="src" />
	<file md5sum="0601fcdfbdc1e25d6f5601cf78693669" name="scripts/autotools/CheckCompiler.m4" role="src" />
	<file md5sum="51c4dd11458ad655113dcdb101640b49" name="scripts/autotools/CheckHost.m4" role="src" />
	<file md5sum="e6c8420017ff6f2090eccbe800b3ad14" name="scripts/clang-format.sh" role="test" />
	<file md5sum="992cbbe1b006fdf00448ed6f106c730c" name="scripts/convert-bson-corpus-tests.php" role="test" />
	+ <file md5sum="a3ee9619493782cf80261595fe7fd9dd" name="scripts/mongo-orchestration.php" role="test" />
	<file md5sum="fb8d8138eb989fe03e2ed7ccac3b7921" name="scripts/update-submodule-sources.php" role="test" />
	- <file md5sum="054b2bb8f5c6689888eb7766ab406d65" name="src/BSON/Binary.c" role="src" />
	- <file md5sum="5b2a453dca0210a531a1bb912da19d04" name="src/BSON/BinaryInterface.c" role="src" />
	- <file md5sum="e5c27763e77c654b0fb5d626b5ff722e" name="src/BSON/DBPointer.c" role="src" />
	- <file md5sum="d9e07dbb88feb1081c7844a31d749101" name="src/BSON/Decimal128.c" role="src" />
	- <file md5sum="d05ae892293010ac58b6e3dae41bd4b3" name="src/BSON/Decimal128Interface.c" role="src" />
	- <file md5sum="f62ab2707da7b7434347d98da3b71ae7" name="src/BSON/Int64.c" role="src" />
	- <file md5sum="7546789f7813f3fd20833d6b744e660b" name="src/BSON/Javascript.c" role="src" />
	- <file md5sum="0102d2d400223fab1b54ebfd485b5210" name="src/BSON/JavascriptInterface.c" role="src" />
	- <file md5sum="316c0d4bca661752d3c17f2fb46f1977" name="src/BSON/MaxKey.c" role="src" />
	- <file md5sum="b705031ae7da88453b1325553b59dac9" name="src/BSON/MaxKeyInterface.c" role="src" />
	- <file md5sum="6fabdfc06fd0afe702d4c4f79492aace" name="src/BSON/MinKey.c" role="src" />
	- <file md5sum="07c73bf7a185f3800a018da117b5a510" name="src/BSON/MinKeyInterface.c" role="src" />
	- <file md5sum="d7dde26a9fa1d0829b1a1649395346cb" name="src/BSON/ObjectId.c" role="src" />
	- <file md5sum="a3954737b089c86f6968eebc9e6b1386" name="src/BSON/ObjectIdInterface.c" role="src" />
	- <file md5sum="078a7e2ad997ebcfabb200b37199f8f8" name="src/BSON/Persistable.c" role="src" />
	- <file md5sum="349bd297d327a5caf18bf0e16b392755" name="src/BSON/Regex.c" role="src" />
	- <file md5sum="6f9df76ff27eb1972a28dd6d6415a089" name="src/BSON/RegexInterface.c" role="src" />
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